US Pat. No. 10,396,724

AMPLIFIER WITH COMMON MODE LOOP AND CHOP

Semiconductor Components ...

1. A system comprising:a fully differential amplifier circuit including a first amplifier, a first feedback path, and a second feedback path, the first feedback path providing a feedback path from a positive output of the first amplifier to a negative input of the first amplifier and the second feedback path providing a feedback path from a negative output of the first amplifier to a positive input of the first amplifier;
a chopper clock circuit configured to output a chopper clock signal at a variable duty cycle; and
a common mode loop circuit including a second amplifier and chopper switches, the common mode loop circuit configured to provide a local feedback loop for the first amplifier, the chopper switches configured to receive the chopper clock signal from the chopper clock circuit and configured to control a current flow into the positive input of the first amplifier and into the negative input of the first amplifier.

US Pat. No. 10,396,723

MULTIRATE, ITERATIVE, MEMORY POLYNOMIAL BASED MODELING AND PRE-DISTORTION OF HIGH BANDWIDTH POWER AMPLIFIERS

Northrop Grumman Systems ...

1. A method for pre-distorting a digital signal in a digital communications system, said method comprising:converting digital bits to be transmitted to a series of symbols defining the bits;
providing the symbols to a pulse shaping filter (PSF) that provides samples of the symbols at a predetermined sample rate;
providing the filtered samples to a pre-distorter that pre-distorts the samples, wherein pre-distorting the samples includes providing a non-linear transformation of the samples that is defined by pre-distorter taps, wherein pre-distorting the filtered samples in the pre-distorter includes incorporating pre-equalization into the pre-distorter taps; and
providing the pre-distorted samples to a power amplifier to be amplified and transmitted, wherein pre-distorting the samples includes modeling the power amplifier and associated transmitter components using a degree three memory polynomial, and wherein modeling the power amplifier includes modeling the power amplifier as a memoryless nonlinearity sandwiched between two linear time-invariant (LTI) filters and that the pre-equalization includes providing an estimate of at least one of the LTI filters and then inverting the estimate.

US Pat. No. 10,396,721

DISTORTION COMPENSATION CIRCUIT

MITSUBISHI ELECTRIC CORPO...

6. A distortion compensation circuit comprising:a distributor distributing an input signal to a first transmission line and a second transmission line;
a low-range open stub disposed on the first transmission line, having characteristics to attenuate, among input high-frequency signals being two waves, an amplitude of a signal in a low-frequency range by a set value or more with respect to an amplitude of a signal in a high-frequency range;
a first linearizer connected to the low-range open stub;
a first phase shifter connected to the first linearizer;
a high-range open stub disposed on the second transmission line, having characteristics to attenuate, among the input high-frequency signals being two waves, an amplitude of a signal in a high-frequency range by a set value or more with respect to an amplitude of a signal in a low-frequency range;
a second linearizer connected to the high-range open stub;
a second phase shifter connected to the second linearizer; and
a synthesizer synthesizing a signal from the first transmission line passed through the low-range open stub, the first linearizer, and the first phase shifter and a signal from the second transmission line passed through the high-range open stub, the second linearizer, and the second phase shifter.

US Pat. No. 10,396,720

HIGH-FREQUENCY AMPLIFIER APPARATUSES

1. A high-frequency amplifier apparatus comprising:two transistors, each having a first terminal and a second terminal that is connected to a ground connection point, wherein the two transistors are embodied alike and are arranged on a multi-layered circuit board that comprises a plurality of upper layers above a lowermost layer; and
a power transformer having a primary winding and a secondary winding, wherein the primary winding is connected to the first terminals of the two transistors;
wherein the primary winding and the secondary winding of the power transformer are each designed as planar conductor paths that are arranged in different layers of the plurality of upper layers of the multi-layered circuit board, and
wherein the lowermost layer of the multi-layered circuit board is a metal layer that is used as a reference ground.

US Pat. No. 10,396,719

INTEGRATED CIRCUIT DEVICE

Sumitomo Electric Industr...

1. An integrated circuit device comprising:a differential circuit including
a pair of differential input terminals,
an amplifier circuit including a pair of differential input nodes, one node of the pair of differential input nodes being electrically connected to one terminal of the pair of differential input terminals and another node of the pair of differential input nodes being electrically connected to another terminal of the pair of differential input terminals,
a first supply terminal configured to be supplied a first voltage from outside,
a second supply terminal configured to be supplied a second voltage lower than the first voltage from the outside,
a common terminal,
a first resistive element having one end and another end, the one end of the first resistive element being electrically connected to the one terminal of the pair of differential input terminals and the another end of the first resistive element being electrically connected to the common terminal,
a second resistive element having one end and another end, the one end of the second resistive element being electrically connected to the first supply terminal and the other end of the second resistive element being electrically connected to the common terminal, and
a third resistive element having one end and another end, the one end of the third resistive element being electrically connected to the one terminal of the pair of differential input terminals and the other end of the third resistive element being electrically connected to the second supply terminal;
a bonding wire; and
a capacitor having one end and another end, the another end of the capacitor being electrically connected to the common terminal by the bonding wire and the one end of the capacitor being electrically connected to the second supply terminal.

US Pat. No. 10,396,718

BIAS CONTROL CIRCUIT AND POWER AMPLIFICATION MODULE

MURATA MANUFACTURING CO.,...

1. A bias control circuit comprising:a reference voltage circuit that generates a reference voltage;
a resistor;
a reference voltage buffer circuit that applies the reference voltage to a second end of the resistor;
a constant current generating circuit that generates a constant current and that supplies the constant current to the second end of the resistor, the constant current being based on the reference voltage and driving the reference voltage buffer circuit; and
a bias generating circuit that generates a bias voltage or a bias current for a power amplification circuit based on a voltage at a first end of the resistor, wherein:
the reference voltage buffer circuit includes an operational amplifier and a P-channel MOSFET,
the reference voltage is applied to a first input terminal of the operational amplifier,
a second input terminal of the operational amplifier and a source of the P-channel MOSFET are connected to the second end of the resistor, and
an output terminal of the operational amplifier is connected to a gate of the P-channel MOSFET.

US Pat. No. 10,396,717

POWER CONTROL METHOD, DEVICE AND COMMUNICATION TERMINAL FOR RADIO FREQUENCY POWER AMPLIFIER

BEIJING VANCHIP TECHNOLOG...

1. A power control device, comprising: a first linear regulator module, a voltage sensing module, and a second linear regulator module, whereinthe first linear regulator module, used to read a supply voltage signal and a power control signal, and generate an amplified signal having a linear relationship with the power control signal;
the voltage sensing module, used to generate a controllable current according to the amplified signal and saturation degree information of a pass element in the first linear regulator module, and convert the controllable current into a voltage; and
the second linear regulator module, used to perform linear voltage regulation on the voltage and generate a base control voltage.

US Pat. No. 10,396,715

HIGH POWER RADIO-FREQUENCY SWITCHING TOPOLOGY AND METHOD

SKYWORKS SOLUTIONS, INC.,...

1. A radio-frequency circuit comprising:a series of transistors including at least a first transistor and a second transistor and each having at least a source, a gate, and a drain;
an input path coupled to the source of the first transistor and an output path coupled to the drain of the second transistor; and
a plurality of direct current bias networks including a first direct current bias network coupled to the gate of the first transistor, a second direct current bias network coupled to the gate of the second transistor, and a third direct current bias network coupled to the drain of the first transistor and the source of the second transistor, each of the plurality of direct current bias networks being configured to directly bias the series of transistors to direct a radio-frequency signal through the series of transistors.

US Pat. No. 10,396,714

RECONFIGURABLE LOW-NOISE AMPLIFIER (LNA)

Qorvo US, Inc., Greensbo...

1. A reconfigurable low-noise amplifier (LNA) comprising:amplifier circuitry having a gate terminal coupled to an input terminal, a source terminal coupled to a fixed voltage node, and a drain terminal, wherein the amplifier circuitry comprises field-effect transistor (FET) devices coupled in a cascode configuration between the drain terminal and the source terminal; and
a gamma inverting network (GIN) coupled between the input terminal and the fixed voltage node, wherein the GIN comprises:
a first switch configured to disable the GIN during operation at first frequencies within a lower frequency band and to enable the GIN during operation at second frequencies within a higher frequency band, which is higher than the lower frequency band; and
a first inductor and a first capacitor coupled in series through the first switch such that current flow is enabled through the first inductor when the first switch is in an on-state and current flow is disabled through the first inductor when the first switch is in an off-state.

US Pat. No. 10,396,713

ENVELOPE-TRACKING CURRENT BIAS CIRCUIT WITH OFFSET CANCELLATION FUNCTION

Samsung Electro-Mechanics...

1. An envelope-tracking current bias circuit comprising:a first rectifying circuit configured to detect an envelope of an input signal, and provide an envelope detection signal comprising a first direct current (DC) offset voltage;
a second rectifying circuit configured to provide a second DC offset voltage corresponding to the first DC offset voltage; and
a first arithmetic circuit configured to provide an envelope signal in which the first DC offset voltage is reduced through subtraction between the envelope detection signal and the second DC offset voltage.

US Pat. No. 10,396,712

TRANSFORMER FEED-BACK QUADRATURE VOLTAGE CONTROLLED OSCILLATOR FOR CORRECTING DYNAMIC PHASE ERROR AND COMMUNICATION APPARATUS USING THE SAME

NATIONAL CHUNG SHAN INSTI...

1. A transformer feed-back quadrature voltage controlled oscillator (QVCO), comprising:a first VCO;
a second VCO; and
a dynamic phase error correction circuit, having a plurality of coupling capacitors connected between the first and second VCOs, wherein the capacitances of the coupling capacitors are varied according to a digital control signal to correct a phase error of local oscillating (LO) signals of quadrature phases output by the first and second VCOs;wherein the transformer feed-back QCVO is formed by a first half circuit and a second half circuit, wherein each of the first and second half circuit comprises:a first coupling capacitor;
a second coupling capacitor;
an induction inductor;
a NMOS transistor;
a PMOS transistor; and
a frequency tuning circuit, a first end thereof is connected to a first end of the induction inductor, a drain of the PMOS transistor and a gate of the NMOS transistor, and a second end thereof is connected to a second end of the induction inductor, a drain of the NMOS transistor and a gate of the PMOS transistor;wherein the induction inductors of the first and second half circuit form a transformer, a body of the PMOS transistor of the first half circuit is connected to a source of the PMOS transistor of the second half circuit through the first coupling capacitor of the first half circuit, a body of the NMOS transistor of the first half circuit is connected to a source of the NMOS transistor of the second half circuit through the second coupling capacitor of the first half circuit, a body of the PMOS transistor of the second half circuit is connected to a source of the NMOS transistor of the first half circuit through the first coupling capacitor of the second half circuit, a body of the NMOS transistor of the second half circuit is connected to a source of the PMOS transistor of the first half circuit through the second coupling capacitor of the second half circuit, the drains of the PMOS transistors and the NMOS transistors are used to output the LO signals of quadrature phases, and a LO frequency is determined by a frequency tuning voltage applied to the frequency tuning circuit based upon a frequency-voltage curve;wherein the first and second coupling capacitors of the first and second half circuits are the variable coupling capacitors of the dynamic phase error correction circuit, so as to form the dynamic phase error correction circuit, the NMOS transistor, the PMOS transistor and the induction inductor of the first half circuit form the first VCO, and the PMOS transistor and the induction inductor of the second half circuit form the second VCO.

US Pat. No. 10,396,711

INTEGRATED CIRCUITS HAVING ON-CHIP INDUCTORS WITH LOW COMMON MODE COUPLING EFFECT

Zgmicro Wuxi Corporation,...

1. An integrated circuit, comprising:a first circuit, operating at a first frequency, including a first inductor; and
a second circuit, including a second inductor, provided to process an input signal, the second inductor including a first terminal, a second terminal, an intermediate terminal, and an intermediate node, wherein a first wire is formed between the first terminal and the intermediate node, a second wire is formed between the second terminal and the intermediate node, the first wire and the second wire, forming a coil with one or more turns, cross at a certain point on different layers, an intermediate tap is coupled between the intermediate node and the intermediate terminal, and the first and second terminals, and the intermediate terminal being located on one side of the coil and adjacent to each other, and
wherein when a current flows from the first terminal of the second inductor to the intermediate terminal of the second inductor and a current flows from the second terminal of the second inductor to the intermediate terminal of the second inductor, or when a current flows from the intermediate terminal of the second inductor to the first terminal of the second inductor and a current flows from the intermediate terminal of the second inductor to the second terminal of the second inductor, intermediate tap are cancelled out substantially by each other.

US Pat. No. 10,396,710

MONITORING AND EVALUATING PERFORMANCE AND AGING OF SOLAR PHOTOVOLTAIC GENERATION SYSTEMS AND POWER INVERTERS

International Business Ma...

1. A method for monitoring a photovoltaic system having at least one array of photovoltaic panels and at least one inverter system configured to convert output from the array of photovoltaic panels from direct current (DC) to alternating current (AC), the method comprising the steps of:obtaining sensor data from the photovoltaic system, wherein the sensor data comprises i) ambient conditions at the array of photovoltaic panels, ii) photovoltaic panel current and voltage outputs, iii) current and voltage inputs to the inverter system, and iv) current and voltage outputs from the inverter system;
computing an efficiency of the array of photovoltaic panels nPV using the sensor data;
normalizing the efficiency of the array of photovoltaic panels nPV using efficiency specifications provided by a manufacturer of the array of photovoltaic panels;
computing an efficiency of the inverter system nINV using the sensor data;
computing an aging parameter for the array of photovoltaic panels using the efficiency of the array of photovoltaic panels nPV;
computing an aging parameter for the inverter system using the efficiency of the inverter system nINV;
determining whether the aging parameter for the array of photovoltaic panels or the aging parameter for the inverter system exceeds a predetermined threshold level; and
taking action if either the aging parameter for the array of photovoltaic panels or the aging parameter for the inverter system exceeds the predetermined threshold level.

US Pat. No. 10,396,709

METHOD AND APPARATUS FOR IN-SITU HEALTH MONITORING OF SOLAR CELLS IN SPACE

United States of America ...

1. An apparatus comprising:one or more than one solar cells configured for exposure to light;
an analog circuit operatively connected to the one or more than one solar cells comprising:
a metal oxide field effect transistor having a gate;
a small value resistor in series with a channel of the metal oxide field effect transistor; and
wherein this series arrangement is in parallel with the one or more than one solar cells;
a difference amplifier circuit configured to amplify the voltage across the small value resistor to generate a solar cell current output that represents a current through the one or more than one solar cells;
an integrator circuit having a first input and a second input, wherein the first input is connected to a voltage input, wherein the second input is connected to a solar cell voltage output of the one or more than one solar cells, wherein, via the voltage input, the apparatus is configured to receive a desired set point voltage, wherein the integrator circuit is configured to integrate error between the desired set point voltage and the solar cell voltage output to produce an output voltage which is applied to the gate of the metal oxide field effect transistor to generate both the solar cell current output and the solar cell voltage output; and
a voltage divider comprised of two series connected resistors in parallel with the one or more than one solar cells, wherein a common node of the voltage divider is connected to both the second input of the integrator circuit and a voltage measuring output of the apparatus, wherein the solar cell voltage output is provided to the integrator circuit via the connection between the common node and the second input.

US Pat. No. 10,396,708

MAINTAINING A SOLAR POWER MODULE

Saudi Arabian Oil Company...

1. A solar power system, comprising:a plurality of solar power cells mounted on an outer surface of a spherical frame, the spherical frame comprising an inner surface that defines an interior volume;
a heat sink that comprises a hollow housing mounted and enclosed within the interior volume of the spherical frame, the hollow housing fluidly isolating an inner volume of the hollow housing from a housing volume defined between the hollow housing and the inner surface of the spherical frame, the housing volume comprising an annulus cross-section; and
a phase change material positioned in, and fluidly sealed within, the inner volume of the hollow housing of the heat sink such that the phase change material is fluidly isolated from the housing volume of the interior volume of the spherical frame, the phase change material thermally coupled to the inner surface of the spherical frame through the hollow housing and the housing volume to receive heat from the outer surface of the spherical frame.

US Pat. No. 10,396,707

INTEGRATED CZT(S,SE) PHOTOVOLTAIC DEVICE AND BATTERY

International Business Ma...

1. A method of forming an integrated photovoltaic device and battery, the method comprising:forming a photovoltaic device having a substrate, an electrically conductive layer on the substrate, an absorber layer on the electrically conductive layer, a buffer layer on the absorber layer, a transparent front contact on the buffer layer, and a metal grid on the transparent front contact;
removing the substrate and the electrically conductive layer from the photovoltaic device to expose a backside surface of the absorber layer;
forming at least one back contact on the backside surface of the absorber layer; and
integrating the photovoltaic device with a battery, wherein the battery comprises a positive contact and a negative contact, and wherein the integrating comprises facing the at least one back contact with the positive contact of the battery, physically connecting the positive contact of the battery with the at least one back contact on the backside surface of the absorber layer and connecting the negative contact of the battery with the metal grid on the transparent front contact.

US Pat. No. 10,396,706

FLAT ROOF SOLAR SENSOR STRUCTURES AND CLAMP

1. A solar panel clamp for use in affixing solar panels in the channels of elongated purlins comprising:a strip of sheet metal longitudinally bent into an elongated U-shaped channel with a longitudinal mid-portion, designated a clamp end, the the U-shaped channel defining legs oppositely extending from the clamp end, each oppositely extending leg having a distal end defined by the U-shaped channel, the U-shaped channel defining a base of the U-shape and channel sides extending substantially perpendicular to the base for the length of the base except for a plurality of gaps formed in each of the channel sides at the clamp end with the plurality of gaps allowing bending of the U-shaped channel at the clamp end;
gripping teeth formed in the channel sides of each of the oppositely extending legs starting at the distal end of each oppositely extending leg and extending inwardly towards the clamp end;
an inlet hole positioned in the base of the U-shaped channel between the clamp end and the gripping teeth in one of the oppositely extending legs, and a mating outlet hole positioned in the base of the U-shaped channel between the clamp end and the gripping teeth in the other of the oppositely extending legs;
the elongated U-shaped channel transversely bent into a U-shaped clamp with the clamp end defining a bight of the U-shaped clamp and the oppositely extending legs positioned to form substantially parallel, spaced apart opposed legs extending from the clamp end, the gripping teeth formed in the channel sides being oriented in an opposed relationship; and
a position fixing device with at least a portion designed to be received in the inlet and outlet holes and designed to move the spaced apart legs and the gripping teeth formed therein toward each other in a clamping orientation.

US Pat. No. 10,396,704

SOLAR PANEL TRUSS MOUNTING SYSTEMS AND METHODS

Georgia Tech Research Cor...

1. A truss member for mounting to an article of manufacture, comprising:an elongate support member having a first end and a second end;
the first end comprising a first generally conical-shaped member having a base end and an opposite vertex end; and a concave first mounting tab affixed to the first generally conical-shaped member, wherein the concave first mounting tab initiates at at least two points proximate the base end of the first generally conical-shaped member, flares radially outwardly in at least two directions from the first generally conical-shaped member such that the concavity results from curvature in both the axial and perpendicular-to-axial directions, and terminates with a first mounting surface at a position proximate the vertex end of the first generally conical-shaped member, wherein the first mounting surface is positioned at an oblique angle with respect to both an axis of the first generally conical-shaped member and the concave first mounting tab; and
the second end comprising a second generally conical-shaped member having a base end and an opposite vertex end; a second mounting tab affixed to the second generally conical-shaped member, wherein the second mounting tab initiates at at least two points proximate the base end of the second generally conical-shaped member, extends along the length of the second generally conical-shaped member in the axial direction, and terminates with a second mounting surface at a position proximate the vertex end of the second generally conical-shaped member, wherein the second mounting surface is positioned at an oblique angle with respect to both an axis of the second generally conical-shaped member and the second mounting tab; and a stiffener affixed to the second mounting tab extending from a peripheral edge of the second mounting tab, wherein the stiffener initiates proximate the at least two points proximate the base end of the second generally conical-shaped members and terminates proximate the second mounting surface, and wherein the stiffener generally increases in height from the initiation proximate the at least two points proximate the base end of the second generally conical-shaped member to the termination proximate the second mounting surface.

US Pat. No. 10,396,703

SOLAR PANEL FLOAT AND CONNECTED MEMBER THEREOF

Kyoraku Co., Ltd., Kyoto...

1. A solar panel mounting float comprising:a hollow-molded annular float portion made of synthetic resin;
a first support portion supporting an edge on one side of the solar panel; and
a second support portion supporting an edge on another side of the solar panel, wherein
the first support portion includes a first support plate portion rising from a wall surface on one side of an inner periphery of the annular float portion, and
the first support plate portion is formed by a cut-and-raised piece cut and raised, from a flat plate portion integrally formed so as to close the inner periphery during molding of the annular float portion, using a lower-side portion of the flat plate portion as a bending-fulcrum point.

US Pat. No. 10,396,702

MOTOR DRIVE CONTROL DEVICE

HITACHI AUTOMOTIVE SYSTEM...

1. A motor drive control device of a permanent magnet synchronous motor in which each phase is independently controlled, the motor drive control device comprising:a smoothing capacitor interposed between a battery configured to supply electric power to the permanent magnet synchronous motor and the permanent magnet synchronous motor to smoothen the current;
an inverter interposed between the smoothing capacitor and the permanent magnet synchronous motor to convert a DC bus current flowing on the smoothing capacitor side into a multiphase motor current and supply the multiphase motor current to the permanent magnet synchronous motor;
a current detection unit which detects one of the motor current and the DC bus current;
a 0-axis current calculation unit which calculates and outputs a 0-axis current on the basis of the current detected by the current detection unit;
a comparison determination unit which determines a reference 0-axis current value, the reference 0-axis current value being a 0-axis current value when the temperature of a permanent magnet provided in the permanent magnet synchronous motor is a reference temperature, and compares the reference 0-axis current value with the calculated 0-axis current; and
a drive control unit which drives and controls the inverter on the basis of the result of the comparison determination of the comparison determination unit,
wherein, when a region of the 0-axis current value at a temperature lower than the reference temperature is defined as a low-temperature estimation region, and a region of the 0-axis current value at a temperature higher than the reference temperature is defined as first to third high-temperature estimation regions (here, a high-low relation of the temperature of each region is the first high-temperature estimation region the comparison determination unit determines as to which region of the low-temperature estimation region and the first to third high-temperature estimation regions the 0-axis current belongs,
the drive control unit outputs an inverter drive signal based on a drive condition in which a predetermined torque is output when the temperature of the permanent magnet is at the reference temperature, when the 0-axis current is determined to belong to one of the low-temperature estimation region and the first high-temperature estimation region,
the drive control unit outputs an inverter drive signal for reducing the motor current so as to prioritize the prevention of occurrence of irreversible demagnetization of the permanent magnet rather than the output of the predetermined torque, when the 0-axis current is determined to belong to the second high-temperature estimation region, and
the drive control unit outputs an inverter drive signal which sets the motor current to zero so as not to cause irreversible demagnetization of the permanent magnet, when the 0-axis current is determined to belong to the third high-temperature estimation region.

US Pat. No. 10,396,700

MULTI-MOTOR SYSTEM, FREEZER COMPRISING THE SAME, AND METHODS FOR CONTROLLING THEREOF

ZHONGSHAN BROAD-OCEAN MOT...

1. A multi-motor system, comprising an air inlet, an air outlet, and a plurality of electronically commutated motors (ECMs), wherein:each electronically commutated motor (ECM) comprises a motor controller and a motor body;
the motor controller comprises a control circuit board; the control circuit board is provided with a microprocessor and a unit for detecting an operation parameter of the ECM
the ECMs comprise a main ECM, and a plurality of subordinate ECMs;
the main ECM is connected to the subordinate ECMs via wire or wireless communication;
the microprocessor of the motor controller of the main ECM is connected to a first temperature detection unit and a second temperature detection unit; the first temperature detection unit and the second temperature detection unit are respectively disposed on the air inlet and the air outlet outside of the main ECM to detect a temperature T1 at the air inlet and a temperature T2 at the air outlet; the microprocessor automatically selects an operation parameter of the main ECM in accordance with a temperature difference between the temperature T1 and the temperature T2; and
in operation, the main ECM informs each subordinate ECM of the temperature T1 and the temperature T2, and each subordinate ECM selects an operation parameter of the subordinate ECM in accordance with the temperature T1 and the temperature T2; or, the main ECM sets up operation parameters for each subordinate ECM in accordance with the temperature T1 and the temperature T2, and orders each subordinate ECM to operate according to preset operation parameters.

US Pat. No. 10,396,699

ANOMALY DIAGNOSING DEVICE AND ANOMALY DIAGNOSING METHOD

FANUC CORPORATION, Yaman...

1. An anomaly diagnosing device for diagnosing an anomaly in a single motor driven by a plurality of motor drive units, wherein the motor drive units calculate a plurality of voltage command values based on a position command or a velocity command given by a numerical control device, and supply AC currents to a plurality of multi-phase windings of the motor, based on the calculated voltage command values, thereby driving the motor, comprising:a power consumption calculator configured to calculate power consumption of each of the multi-phase windings;
a power difference calculator configured to calculate a difference in power consumption between the multi-phase windings or a difference between average power consumption of the multi-phase windings and the power consumption of each of the multi-phase windings; and
a determination unit configured to determine that an anomaly is occurring when an absolute value of the difference has exceeded a threshold for a predetermined period of time.

US Pat. No. 10,396,698

DRIVE DEVICE AND DRIVE SYSTEM

TOYOTA JIDOSHA KABUSHIKI ...

1. A drive device comprising:a motor;
an inverter configured to drive the motor by switching a plurality of switching elements; and
an electronic control unit configured to switch the plurality of switching elements between a first pulse width modulation control and a second pulse width modulation control,
the first pulse width modulation control being a control of generating a first pulse width modulation signal for the plurality of switching elements by a comparison of modulated waves of voltage commands in phases based on a torque command for the motor with a carrier voltage, and performing switching of the plurality of switching elements,
the second pulse width modulation control being a control of generating a second pulse width modulation signal for the plurality of switching elements based on a modulation factor of a voltage and a voltage phase based on the torque command and the number of pulses per unit period of an electrical angle of the motor, and performing switching of the plurality of switching elements, and
the electronic control unit being configured to switch the plurality of switching elements between the first pulse width modulation control and the second pulse width modulation control at irregular time intervals, wherein
the first pulse width modulation control is a synchronous pulse width modulation control, and
the electronic control unit is configured to:
switch the plurality of switching elements from the first pulse width modulation control to the second pulse width modulation control at a time of a zero-crossing of one of the modulated waves of the voltage commands of the phases that are used to generate the first pulse width modulation signal for the plurality of switching elements; and
switch the plurality of switching elements from the second pulse width modulation control to the first pulse width modulation control at a time of a zero-crossing time of one of modulated waves of virtual voltage commands of the phases corresponding to the second pulse width modulation signal for the plurality of switching elements.

US Pat. No. 10,396,697

MOTOR OPERATING SYSTEMS AND METHODS THEREOF

Princeton Technology Corp...

1. A motor operating method, comprising:generating, via a processor of an electronic device, a first parameter-setting corresponding to a first operating stage through a user interface;
receiving, via a buffer of a control circuit of the electronic device, the first parameter-setting;
reading, via a controller of the control circuit, the first parameter-setting from the buffer, and generating a first driving signal according to the first parameter-setting;
driving, via a driver of the control circuit, a motor according to the first driving signal;
monitoring, via a monitor of the control circuit, a first operating status of the motor corresponding to the first driving signal, and outputting the first operating status to the processor of the electronic device; and
determining, via the processor, whether the first operating status corresponding to the first parameter-setting conforms to a first threshold setting storing in a first memory of the electronic device;
wherein when the processor determines that the first operating status does not conform to the first threshold setting, the processor modifies the first parameter-setting to generate a modified first parameter-setting; and
wherein when the processor determines that the first operating status conforms to the first threshold setting, the processor sets the first parameter-setting as the first optimal parameter-setting, and stores the first optimal parameter-setting to a second memory.

US Pat. No. 10,396,696

METHODS, SYSTEMS AND APPARATUS FOR CONTROLLING CURRENT SUPPLIED TO CONTROL A MACHINE

GM GLOBAL TECHNOLOGY OPER...

1. A method for controlling a current regulator of an electric machine drive system for driving an electric machine, the method comprising:determining, at a controller, whether a sampling frequency has changed since a previous execution cycle of the current regulator;
storing a previous damping value that is a previous value of the virtual damping resistance applied during the previous execution cycle of the current regulator;
modifying, at the controller when the sampling frequency has changed since the previous execution cycle, a damping value of the current regulator as a function of sampling frequency to allow the damping value to change with the sampling frequency, wherein the damping value has a new value of virtual damping resistance that is applied at the current regulator after modifying, wherein the modifying comprises: determining the modified damping value based on the sampling frequency during a current execution cycle of the current regulator, wherein the modified damping value is a new value of virtual damping resistance based on a new sample frequency;
computing a change in damping value based on the difference between the modified damping value and the previous damping value, wherein the change in the damping value is a change in the virtual damping resistance based on a difference between the new value of virtual damping resistance and the previous value of virtual damping resistance; and
executing the current regulator to generate voltage commands in accordance with the modified damping value.

US Pat. No. 10,396,695

METHOD FOR PROTECTING AN ELECTRICAL POWER SYSTEM

General Electric Company,...

1. An electrical power system connected to a power grid, comprising:at least one cluster of electrical power subsystems, each of the electrical power subsystems comprising a power converter electrically coupled to a generator having a generator rotor and a generator stator, each of the electrical power subsystems defining a stator power path and a converter power path for providing power to the power grid, each of the electrical power subsystems further comprising a partial power transformer within the converter power path;
a subsystem switch configured with each of the electrical power subsystems;
a cluster transformer connecting each cluster of electrical power subsystems to the power grid;
a cluster switch communicatively coupled to the cluster transformer; and,
a controller communicatively coupled to each of the plurality of electrical power subsystems, the controller configured to perform one or more operations, the operations comprising:
monitoring the electrical power system for faults; and,
if a fault is detected in the stator power path of one of the electrical power subsystems, sending, via one of the subsystem switches or the power converters, a block signal to the cluster switch, the block signal comprising a signal that instructs the cluster switch to not trip in response to the fault being detected.

US Pat. No. 10,396,694

SYSTEM AND METHOD FOR MINIMIZING REACTIVE CURRENT TO LIMIT ROTOR MODULATION INDEX ON A POWER CONVERTER

General Electric Company,...

1. A method for operating an electrical power circuit connected to a power grid, the electrical power circuit having a power converter electrically coupled to a generator, the method comprising:monitoring, via one or more sensors, at least one speed condition of the generator during operation of the electrical power circuit;
determining, via one or more sensors, one or more voltage conditions of the electrical power circuit;
calculating, via a controller, a maximum reactive current for the generator using a mathematical function of the speed condition and the one or more voltage conditions, the mathematical function comprising dividing at least one of the one or more voltage conditions by the speed condition; and,
operating the generator by imposing a limit on a reactive current of the generator requested by reactive current logic of the controller such that the maximum reactive current is not exceeded, thereby preventing an actual modulation index of the power converter from exceeding a predetermined threshold; and
continuously adjusting the limit on the reactive current as a function of the at least one speed condition, the one or more voltage conditions of the electrical power circuit, a slip of the generator, and one or more generator circuit parameters, the one or more generator circuit parameters comprising a stator leakage reactance and a rotor leakage reactance.

US Pat. No. 10,396,693

METHOD OF CONTROLLING CONSTANT CURRENT OF BRUSHLESS DC MOTOR AND CONTROLLER OF BRUSHLESS DC MOTOR USING THE SAME

LG Electronics Inc., Seo...

1. A method for controlling a brushless direct current (BLDC) motor, the method comprising:receiving a constant current from an output port of the BLDC motor;
comparing the constant current to a reference current;
based on the comparison of the constant current to the reference current, providing at least one speed command to a rotational speed control unit, wherein providing the at least one speed command comprises:
based on the comparison revealing that the constant current is smaller than the reference current, providing a first speed command to the rotational speed control unit, the first command being configured to increase a speed of the BLDC motor,
based on the comparison revealing that the constant current is larger than the reference current, providing a second speed command to the rotational speed control unit, the second command being configured to decrease a speed of the BLDC motor, and
based on the comparison revealing that the constant current is the same as the reference current, providing a third speed command to the rotational speed control unit, the third command being configured to maintain a speed of the BLDC motor; and
based on the at least one speed command, controlling, by the rotational speed control unit, a speed of the BLDC motor.

US Pat. No. 10,396,692

METHOD FOR OPERATING A BRUSHLESS DIRECT CURRENT MOTOR

1. A method for operating a brushless direct current motor, the method including:energizing, by applying an electronically commutated electrical energization signal, a plurality of armature coils arranged on a stator and forming a three-phase current winding for generating a rotational field rotating around the stator, the armature coils having three terminals and the rotating rotational field being generated in order to drive a rotor, which is rotatable about an axis of rotation relative to the stator and comprises at least two opposing permanent magnet poles;
determining the position of the rotor relative to the stator, wherein the determining includes:
applying a measurement voltage signal between a first and second of the terminals, wherein the applying includes connecting a supply voltage potential to the first terminal and a ground potential to the second terminal, or connecting a supply voltage potential to the second terminal and a ground potential to the first terminal, wherein the measurement voltage signal is comprised of at least one measuring pulse different than said electrical energization signal,
measuring a resulting voltage on a third of the terminals, wherein the third terminal, for the measuring, is switched to a high-impedance state,
determining, from a variation of the resulting voltage over time within a time interval, a gradient value indicating a gradient of the resulting voltage in said time interval, and
using the gradient value for determining the position of the rotor.

US Pat. No. 10,396,691

MOTOR CONTROL CIRCUIT SYSTEM

1. A motor control circuit system for a driven mechanism, which comprises:a motor driven by an alternating current;
a controller serving as a switch and electrically connected to the motor, wherein the controller is activated to control a start and stop of supplying AC current to the motor; wherein the controller comprises a positive half sine wave controller switch and a negative half sine wave controller switch;
a processor unit electrically linked to the controller, wherein the processor unit comprises a voltage controlling module;
a sensor electrically linked to the controller;
a converter electrically linked to the controller and the processor unit;
wherein the voltage controlling module controls the positive half sine wave controller switch and the negative half sine wave controller switch of the controller so that current starts to pass to the motor when an input voltage of the motor reaches predetermined starting thresholds and stops passing to the motor when the input voltage of the motor reaches predetermined ending thresholds;
wherein for a power supply generating periodic voltage waves, a starting threshold and an ending threshold are set to each half of the voltage waves; the starting threshold is set at one point of the half wave, and the ending threshold is set at the same half wave after the starting threshold; when the input voltage of the motor reaches the starting thresholds, the voltage controlling module turns on the positive half sine wave controller switch or the negative half sine wave controller switch respectively, so as to let current start passing through the motor, and when the input voltage of the motor reaches the ending thresholds, the voltage controlling module turns off the positive half sine wave controller switch or the negative half sine wave controller switch respectively, so as to stop current from passing through the motor; therefore, during the rest part of the voltage waves, the motor will turn with its own rotational inertia so as to save power thereto.

US Pat. No. 10,396,690

ELECTRIC MOTOR, BLOWER, AND AIR CONDITIONER

Mitsubishi Electric Corpo...

1. An electric motor comprising:a stator;
a rotor provided to be rotatable inside the stator; and
a board including a driving element applying a driving voltage to the stator, a magnetic-pole-position sensor detecting a rotation position of the rotor, and a control element adjusting a phase of the driving voltage in accordance with a magnetic-pole-position signal from the magnetic-pole-position sensor and rotation-speed information calculated on a basis of the magnetic-pole-position signal, wherein
the magnetic-pole-position sensor is provided at a position at which an advance angle is larger than zero when a rotation speed of the rotor is zero.

US Pat. No. 10,396,689

PCB-BASED MOTOR STARTER

Rockwell Automation Techn...

1. A motor starter comprising:a printed circuit board having three phase conductors for conveying incoming three phase power from a source and for outputting three phase power to a three-phase AC electric motor;
control circuitry mounted on and electrically coupled to the printed circuit board and receiving power from a power supply; and
three single pole relays mounted on and electrically coupled to respective phase conductors to receive the incoming power and to provide the outgoing power when closed based upon signals from the control circuitry to start the electric motor;
wherein the control circuitry is programmed to monitor a polarity of at least one of the phases of incoming power and to control timing for closing and/or opening of at least one of the relays based upon the monitored polarity;
wherein the control circuitry is configured to control switching for at least one phase of incoming power based on polarity of incoming power.

US Pat. No. 10,396,688

PCB MOTOR CONTROLLER WITH POW SWITCHING

Rockwell Automation Techn...

1. A system comprising:a printed circuit board having three phase conductors for conveying incoming three phase power from a source and for outputting three phase power to a three-phase AC electric motor;
at least one current sensor that, in operation senses current of at least one phase of the incoming three phase power;
a power supply mounted on and electrically coupled to the printed circuit board;
control circuitry mounted on and electrically coupled to the printed circuit board and receiving power from the power supply; and
three single pole relays mounted on and electrically coupled to respective phase conductors to receive the incoming power and to provide the outgoing power when closed, the relays each having a direct current operator that receives control signals from the control circuitry to switch in accordance with a point-on-wave switching scheme to close at desired times of an AC waveform of the incoming power and thereby complete current carrying paths from the source through the power conductors to the motor;
wherein the control circuitry, in operation, utilizes a sensed current for only one phase of the incoming three phase power to open one of the single pole relays prior to opening the other two of the single pole relays in accordance with the point-on-wave switching scheme.

US Pat. No. 10,396,687

STATOR POSITIONER FOR ELECTROSTATIC GENERATOR ELECTRODES AND NEW ELECTRODE DESIGN

Lawrence Livermore Nation...

1. An apparatus, comprising:a carriage body having a first hole having a longitudinal opening;
a first spring;
a first rod that is spring loaded with said first spring, wherein said first rod has a first length, wherein a portion of said first length is located within said first longitudinal opening;
a first support structure having a first proximal end fixedly attached to said body such that said first support structure extends from said body perpendicularly to said first rod;
a first magnet fixedly attached to said first support structure; and
a second support structure having a second proximal end fixedly attached to said body such that said second support structure extends from said body perpendicularly to said first rod and is parallel to said first support structure.

US Pat. No. 10,396,685

MODULAR MULTI-STAGE CONVERTER

SIEMENS AKTIENGESELLSCHAF...

1. A multi-stage converter comprising:a branch connected between a positive busbar and a negative busbar; and
a control device;
wherein the branch has at least two arms connected in series;
the arms each comprise a series circuit including a plurality of two-pole transformers with a respective energy store and a communication connection to the control device;
the communication connection transmitting information about a state of charge of the energy store and a switching instruction for a switch of the respective transformers; and
for at least a subset of the tranformers, the communication connection comprises a common communication connection with a plurality of insulation paths having an insulation capability in each case of at most 5 kV.

US Pat. No. 10,396,684

COUPLED INDUCTOR FOR INTERLEAVED MULTI-PHASE THREE-LEVEL DC-DC CONVERTERS

Virginia Tech Intellectua...

1. A multi-phase three-level power converter having a plurality of phase legs connected to a load through a common node wherein the conduction angles of respective ones of said phase legs are interleaved, said multi-phase three-level power converter includingan inductor in each phase leg of said multi-phase three-level power converter wherein said inductor of any given phase leg is positively or not significantly coupled magnetically to any corresponding inductor of another phase leg of said multi-phase three level power converter, and
a group of additional inductors having one inductor of said group of additional inductors inversely coupled magnetically and connected in series with said inductor in said given phase leg and another inductor of said group of additional inductors inversely coupled magnetically and connected in series with said inductor in said another phase leg and also in series with said inductor of said given phase leg in a circulating current path through said given phase leg, said common node and said another phase leg of said multi-phase three-level power converter, whereby circulating current in said circulating current path resulting from said interleaving of said conduction angles of respective phases of said multi-phase three-level power converter is reduced by a voltage generated through mutual inductance between said inductor of any given phase and said additional inductor of said group of inductors of any other phase which are inversely coupled magnetically and connected in series in said circulating current path.

US Pat. No. 10,396,683

MODULAR MULTILEVEL CONVERTER

HYOSUNG HEAVY INDSTRIES C...

1. A Modular Multilevel Converter (MMC) comprising:multiple sub-modules connected in series with each other; and
a controller for controlling on/off switching of the multiple sub-modules,
wherein the multiple sub-modules include N sub-modules, which participate in operation of the MMC, and M redundant submodules, which participate in the operation of the MMC in place of at least one N sub-modules when the at least one N sub-modules fail,
wherein the controller switches on a sub-module, among the N+M sub-modules to which carrier signals are assigned, if a carrier signal assigned thereto is equal to or higher than a preset reference signal, and switches off the sub-module if the carrier signal assigned thereto is lower than the preset reference signal, and
wherein a range from a top to a rest position of each of the carrier signals of the N+M sub-modules is not balanced with a range from a bottom to the rest position thereof.

US Pat. No. 10,396,681

MULTILEVEL INVERTERS WITH INCREASED NUMBER OF OUTPUT STEPS

King Abdulaziz University...

1. A power conversion system comprising:a multilevel inverter circuitry configured to
(a) arrange Nsource DC voltage sources in series between a positive terminal of a first one of the Nsource DC voltage source and a negative terminal of a last one of the Nsource DC voltage sources;
(b) connect at least Nsource?1 controlled switching devices to the Nsource DC voltage sources to ensure at least one of the at least Nsource?1 controlled switching devices is connected between any two adjacent DC voltage sources, to form an electrical path between the positive terminal of the first one of the Nsource DC voltage source and the negative terminal of the last one of the Nsource DC voltage source;
(c) connect at least another Nsource?1 controlled switching devices to the Nsource DC voltage sources to ensure at least one controlled switching device is connected between the negative terminal of the last one of the Nsource DC voltage sources and the negative terminal of any one of the other Nsource?1 DC voltage sources;
(d) provide at least another three controlled switching devices wherein at least one of at least another three controlled switching devices is connected between a positive terminal of the first one of the Nsource DC voltage source and a positive terminal of the second one of the NsourceDC voltage source, and at least two of the at least another three controlled switching devices are connected in series across the positive terminal and negative terminal of the first one of the Nsource DC voltage source; and
(e) connect an H-bridge circuit comprising at least four controlled switching devices between a negative terminal of the last DC voltage source and any common terminal of the controlled switching devices connected in series across the positive terminal and the negative terminal of the first of the at least Nsource?1 DC voltage source, to drive a current in both positive and negative directions to a load,
wherein a voltage levels provided by the others Nsource?1 DC voltage sources is twice a voltage level provided by the first one of the Nsource DC voltage sources, and
wherein a total number of a voltage levels Nstep provided by the Nsource DC voltage sources is determined according to Nstep=4Nsource?1.

US Pat. No. 10,396,680

DIRECT CURRENT VOLTAGE REGULATION OF PERMANENT MAGNET GENERATOR

HAMILTON SUNDSTRAND CORPO...

1. An aircraft power generation unit to generate direct current (DC) power provided to a load, the unit comprising:permanent magnet generator (PMG) that includes first, second, third and fourth sets of windings, each of the winding sets including three windings;
a rectifier section that includes:
a first six-pulse rectifier connected to the first set of windings and having a first rectifier positive rail and a first rectifier negative rail and forming a first DC voltage (Vdc1) between the first rectifier positive rail and the first rectifier negative rail from voltage received from the first set of windings;
a second six-pulse rectifier connected to the second set of windings and having a second rectifier positive rail and a second rectifier negative rail and forming a second DC voltage (Vdc2) between the second rectifier positive rail and the second rectifier negative rail from voltage received from the second set of windings;
a third six-pulse rectifier connected to the third set of windings and having a third rectifier positive rail and a third rectifier negative rail and forming a third DC voltage (Vdc3) between the third rectifier positive rail and third rectifier negative rail from voltage received from the third set of windings;
a fourth six-pulse rectifier connected to the fourth set of windings and having a fourth rectifier positive rail and a fourth rectifier negative rail and forming a fourth DC voltage (Vdc4) between the fourth rectifier positive rail and fourth rectifier negative rail from voltage received from the fourth set of windings; and
a common local output bus;
an output bus configured to be connected to the load and including a positive output bus rail and a negative output bus rail; and
a controller that receives an input signal from at least one of the output sets and selectively couples either the common local output bus or fourth rectifier negative rail to the output bus negative rail and one or more of the first, second and third six-pulse rectifiers to the output bus positive rail to provide a constant voltage to the load, wherein the controller selectively couples the common local output bus and fourth rectifier negative rail to the output bus negative rail based on a speed of the PMG.

US Pat. No. 10,396,679

RECTIFICATION CIRCUIT WITH TRANSISTOR CHANNEL AND DIODE CHANNEL

OSRAM SYLVANIA Inc., Wil...

1. A rectifying circuit, comprising:a first channel circuit to rectify a first input signal using a transistor, the transistor operatively coupled between an input of the first channel circuit and a node;
a comparator circuit operatively coupled with the transistor of the first channel circuit, the comparator circuit to control the transistor based on a difference between a representative voltage of the first input signal and a representative voltage of the node; and
a second channel circuit to rectify a second input signal using a diode, the diode operatively coupled between an input of the second channel circuit and the node;
wherein the transistor is a first transistor and the comparator circuit is operatively coupled with the first transistor by way of a second transistor, wherein the first transistor is controlled by the second transistor, and the second transistor is controlled by the comparator circuit.

US Pat. No. 10,396,678

POWER CONVERTER

MITSUBISHI ELECTRIC CORPO...

1. A power converter configured to transmit and receive power between an AC power supply and a DC power supply, the power converter comprising:first and second DC terminals configured to transmit and receive DC power to and from the DC power supply;
an AC terminal configured to transmit and receive AC power to and from the AC power supply;
a first arm connected between the first DC terminal and the AC terminal;
a second arm connected between the AC terminal and the second DC terminal,
each of the first and second arms including a plurality of unit cells connected in cascade,
each unit cell including a capacitor, first and second switching elements, first and second diodes, and a mechanical bypass switch, the capacitor being configured to be charged to a predetermined DC voltage, the first and second switching elements being connected in series between electrodes of the capacitor, the first and second diodes being respectively connected to the first and second switching elements in antiparallel, the mechanical bypass switch being connected to the first or second diode in parallel,
the mechanical bypass switches of the plurality of unit cells being connected in series in each of the first and second arms,
the first and second switching elements of each unit cell being configured to alternately come into a conductive state during a normal operation, both the first and second switching elements of each unit cell being configured to come into a non-conductive state when a short circuit accident occurs at the DC power supply side,
the mechanical bypass switch of each unit cell being configured to be in the non-conductive state during the normal operation, the mechanical bypass switch of each unit cell being configured to come into the conductive state when the short circuit accident occurs;
a first rectifying element connected between the first and second DC terminals in series with the first and second arms, the first rectifying element being configured to be in the conductive state during the normal operation to permit a current to flow in a first direction, the first rectifying element being configured to come into the non-conductive state when the short circuit accident occurs; and
a second rectifying element connected to the first rectifying element in antiparallel, the second rectifying element being configured to permit the current to flow in a second direction opposite to the first direction.

US Pat. No. 10,396,677

FORWARD FED BOOST CONVERTER FOR FLYBACK SWITCHED MODE POWER SUPPLY AND METHOD THEREOF

NXP B.V., Eindhoven (NL)...

1. A flyback type switched mode power supply (SMPS) circuit, comprising:a primary side controller configured to be coupled to a primary side of a transformer; wherein the primary side controller includes a first switching power regulator; a first switch on the primary side; and wherein the transformer includes a primary side winding on the primary side, a secondary side winding on a secondary side, and an auxiliary winding on the primary side; wherein the first switching regulator is configured to be coupled to the auxiliary winding, wherein the first switching regulator is configured to be supplied with power during a primary stroke from the auxiliary winding when the first switch is on; and wherein the transformer includes a secondary auxiliary winding on the secondary side; further comprising a second switching power regulator configured to be coupled to the secondary auxiliary winding, wherein the second switching regulator is supplied during a primary stroke from the secondary auxiliary winding.

US Pat. No. 10,396,676

BIDIRECTIONAL DC-DC CONVERTER AND CONTROL METHOD THEREFOR

ABB Schweiz AG, Baden (C...

1. A bidirectional DC-DC converter with intermediate conversion into AC power, including:a DC-AC conversion circuit using a plurality of MOSFETs; and
an AC-DC conversion circuit using a plurality of power diodes;
a transformer magnetically coupling a first winding and a second winding, wherein the first winding being electrically connected between the DC-AC conversion circuit AC terminals and being electrically connected between the AC-DC conversion circuit AC terminals in an arrangement such that the AC power generated from the intermediate conversion by an operation of the DC-AC conversion circuit is transferred by the transformer in a forward direction from the first winding to the second winding, and the AC-DC conversion circuit converts the AC power transferred in a backward direction from the second winding to the first winding into DC power;
a pair of switches, one of which being inserted in series between DC terminal of the DC-AC conversion circuit and a DC terminal of the AC-DC conversion circuit and the other of which being inserted in series between another DC terminal of the DC-AC conversion circuit and another DC terminal of the AC-DC conversion circuit; and
a controller being adapted for turning on the pair of switches such that the plurality of power diodes of the AC-DC conversion circuit are reverse-biased where the AC power is transferred in the forward direction and turning off the pair of switches where the AC power is transferred in the backward direction.

US Pat. No. 10,396,675

SWITCHING POWER SUPPLY APPARATUS

TDK CORPORATION, Minato-...

1. A switching power supply apparatus comprising:a transformer configured to include a primary coil and a secondary coil;
a primary bridge circuit configured to include
a first leg including a first switch element and a second switch element, a first node between the first switch element and the second switch element being connected to the primary coil, and
a second leg including a third switch element and a fourth switch element, a second node between the third switch element and the fourth switch element being connected to the primary coil;
a secondary bridge circuit configured to include
a third leg including a fifth switch element and a sixth switch element, a third node between the fifth switch element and the sixth switch element being connected to the secondary coil, and
a fourth leg including a seventh switch element and an eighth switch element, a fourth node between the seventh switch element and the eighth switch element being connected to the secondary coil;
a control unit configured to control the current flowing through switch elements with respective predetermined pulse widths by maintaining a constant first conduction width and a constant second conduction width during a first time period when a voltage value of the output of the secondary bridge circuit is greater than a predetermined output voltage and perform phase control by changing at least one of the first conduction width and the second conduction width during a second time period when a voltage value of the output of the secondary bridge circuit is less than the predetermined output voltage, the first conduction width being a time width in which a pulse for driving the first switch element and a pulse for driving the fourth switch element overlap temporally, the second conduction width being a time width in which a pulse for driving the second switch element and a pulse for driving the third switch element overlap temporally;
a first smoothing capacitor that is connected to the primary bridge circuit; and
a second smoothing capacitor that is connected to the secondary bridge circuit.

US Pat. No. 10,396,674

FLYBACK POWER CONVERTER CIRCUIT AND PRIMARY SIDE CONTROLLER CIRCUIT THEREOF

RICHTEK TECHNOLOGY CORPOR...

1. A flyback power converter circuit, comprising:a transformer, having a primary side winding for receiving an input voltage; a secondary side winding for generating an output voltage; and an auxiliary winding for generating an auxiliary voltage and providing a controller supply voltage;
a primary side switch, coupled to the primary side winding and configured to operably control the primary side winding;
a high voltage (HV) start-up switch, wherein a current inflow terminal of the HV start-up switch is coupled to an input voltage related signal, and a current outflow terminal of the HV start-up switch is coupled to the controller supply voltage, wherein the input voltage related signal relates to the input voltage;
a protection sensing circuit, configured to operably sense a system temperature or an input signal to generate a protection sensing signal; and
a primary side controller circuit, which is located at a primary side of the transformer and powered by the controller supply voltage, and is configured to operably generate a switch control signal to control the primary side switch; the primary side controller circuit including:
a multi-function pin, which is coupled to a control terminal of the HV start-up switch and is coupled to the protection control circuit, wherein the multi-function pin is configured to operably control the HV start-up switch for start-up operation during a start-up stage and configured to operably receive the protection sensing signal after the start-up stage, wherein the start-up stage corresponds to a time period when the controller supply voltage does not exceed the start-up voltage threshold;
a high voltage (HV) start-up circuit, coupled to the control terminal of the HV start-up switch through the multi-function pin, wherein during the start-up stage, the HV start-up circuit controls the HV start-up switch to be ON, and after the start-up stage, the HV start-up circuit controls the HV start-up switch to be OFF; and
a protection control circuit, configured to operably receive the protection sensing signal through the multi-function pin, wherein after the start-up stage, the protection control circuit performs the protection operation according to whether the protection sensing signal exceeds a protection threshold.

US Pat. No. 10,396,673

DC-TO-DC CONVERTER CONTROLLERS, DC-TO-DC CONVERTERS, AND ASSOCIATED METHODS

Maxim Integrated Products...

1. A DC-to-DC converter controller configured to generate phase control signals to control a plurality of power stages of a DC-to-DC converter where each power stage includes two phases, the DC-to-DC converter controller configured to generate the phase control signals in a manner which implements first and second levels of current balancing, where (a) in the first level, the DC-to-DC converter controller generates the phase control signals in a manner which balances magnitude of current processed among the two phases of each power stage separately for each power stage and (b) in the second level, the DC-to-DC converter controller generates the phase control signals in a manner which balances magnitude of current processed among the plurality of power stages.

US Pat. No. 10,396,672

CONTROL OF ISOLATED POWER CONVERTERS DURING TRANSIENT LOAD CONDITIONS

Infineon Technologies Aus...

1. A method of controlling a non-resonant isolated power converter, the method comprising:switching primary side switch devices of the non-resonant isolated power converter at a nominal switching period having a positive half cycle and a negative half cycle to transfer energy across a transformer of the non-resonant isolated power converter during the positive half cycle and the negative half cycle of the nominal switching period, the positive half cycle and the negative half cycle of the nominal switching period having a same nominal duration;
responsive to a transient load condition, switching the primary side switch devices at an initial switching period different than the nominal switching period to transfer energy across the transformer during a positive half cycle and a negative half cycle of the initial switching period, the positive half cycle and the negative half cycle of the initial switching period having a same initial duration; and
symmetrically reducing the duration of the positive half cycle and the negative half cycle of the initial switching period for at least one subsequent switching period during the transient load condition.

US Pat. No. 10,396,671

POWER SUPPLIES HAVING POWER SWITCHES CONTROLLABLE WITH A VARYING FREQUENCY, DUTY CYCLE AND/OR PHASE TO REGULATE OUTPUTS

Astec International Limit...

1. A switched mode DC-DC power supply comprising:a power circuit having an input for receiving an input voltage, an output for providing an output voltage, and four power switches coupled between the input and the output, the four power switches arranged in a full bridge configuration, and
a control circuit coupled to the power circuit for providing a plurality of control signals to the four power switches of the power circuit during a time period when the four power switches are operational, the plurality of control signals including four control signals corresponding to the four power switches and having a variable frequency, the control circuit configured to vary the frequency of the four control signals, and to vary a parameter of only two of the four control signals to achieve zero voltage switching (ZVS) of the four power switches and regulate the output voltage,
wherein said parameter is a duty cycle or a phase of said two control signals.

US Pat. No. 10,396,670

DEVICE AND METHOD FOR CONTROLLING POWER SUPPLY WITH CORRECTION BEHAVIOUR IN A POWER CIRCUIT

Sanken Electric Co., Ltd....

1. A device for controlling a power supply; the power supply comprising a switching element, and a transformer with a primary winding and a secondary winding; wherein the device comprises:a current detecting circuit configured to detect a current being conducted in the switching element to generate a detected signal;
an oscillator configured to generate at least a down-slope waveform and an up-slope waveform in a switching period of the switching element, wherein at least two periods of the oscillator are allocated to the switching period of the switching element;
a signal generating circuit configured to, during the switching period of the switching element, asynchronously generate a first slope signal based on the down-slope waveform according to the switching period of the switching element and a second slope signal based on the up-slope waveform after the first slope signal turns off; and
a signal superimposing circuit configured to superimpose the first slope signal on the detected signal to generate a first correction signal and superimpose the second slope signal on the detect signal to generate a second correction signal.

US Pat. No. 10,396,669

POWER CONVERTER MEASURING THE AVERAGE RECTIFIED PRIMARY CURRENT

Russell Jacques, Hertfor...

1. A method of controlling a resonant power converter having a transformer, the transformer having a primary input winding and a secondary output winding, the method comprising:measuring the average full wave rectified alternating current through a resistor coupled in series with the primary input winding, using an active rectifier to full-wave rectify the voltage across the resistor;
comparing the measured average full wave rectified current to a reference level; and
controlling the switching frequency of the resonant power converter based on the difference between the average current and the reference level.

US Pat. No. 10,396,668

POWER CONVERTER

TOYOTA JIDOSHA KABUSHIKI ...

1. A power converter comprising:power conversion circuits connected in parallel; and
a cutoff switch provided in each of the power conversion circuits, the cutoff switch configured to cut off connection of corresponding one of the power conversion circuits from other power conversion circuit,
wherein the cutoff switches of the power conversion circuits are housed in a first module.

US Pat. No. 10,396,666

SYSTEMS AND METHODS FOR ADJUSTING ONE OR MORE THRESHOLDS IN POWER CONVERTERS

On-Bright Electronics (Sh...

1. A system controller for a power converter, the system controller comprising:a first current controller configured to receive a first input signal and generate a first output signal based at least in part on the first input signal;
a second current controller configured to receive a compensation signal and a second input signal and generate a second output signal based at least in part on the second input signal; and
a drive signal generator configured to receive the first output signal and the second output signal, generate a first drive signal based at least in part on the first output signal and the second output signal, and generate a second drive signal based at least in part on the first output signal and the second output signal;
wherein:
the first current controller is configured to, in response to the first input signal becoming equal to or larger than a first threshold, change the first output signal from a first logic level to a second logic level; and
the second current controller is configured to, in response to the second input signal becoming equal to or smaller than a second threshold, change the second output signal from the first logic level to the second logic level;
wherein the drive signal generator is configured to:
in response to the first output signal being at the first logic level and the second output signal being at the second logic level, generate, with or without a first delay, the first drive signal at a third logic level; and
in response to the first output signal being at the second logic level and the second output signal being at the first logic level, generate, with or without a second delay, the first drive signal at a fourth logic level, the fourth logic level being different from the third logic level;
wherein the second current controller is further configured to, under a continuous-conduction-mode,
in response to the compensation signal increasing in magnitude, increase the second threshold in magnitude; and
in response to the compensation signal decreasing in magnitude, decrease the second threshold in magnitude.

US Pat. No. 10,396,665

ON-CHIP DC-DC POWER CONVERTERS WITH FULLY INTEGRATED GAN POWER SWITCHES, SILICON CMOS TRANSISTORS AND MAGNETIC INDUCTORS

International Business Ma...

1. A DC-DC power converter, comprising:a silicon-on-insulator (SOI) wafer having a SOI layer separated from a substrate by a buried insulator, wherein the SOI layer and the buried insulator are selectively removed from at least one first portion of the SOI wafer, and wherein the SOI layer and the buried insulator remain present in at least one second portion of the SOI wafer;
at least one gallium nitride (GaN) transistor formed on the substrate in the at least one first portion of the SOI wafer;
at least one complementary metal-oxide semiconductor (CMOS) transistor, formed on the SOI layer in the at least one second portion of the SOI wafer, connected to a gate of the GaN transistor;
a dielectric covering the GaN and CMOS transistors;
at least one magnetic inductor formed on the dielectric; and
metal wiring in the dielectric directly connecting a drain of the GaN transistor with the magnetic inductor.

US Pat. No. 10,396,664

REDUNDANT POWER SUPPLY CONTROL CIRCUIT

PEGATRON CORPORATION, Ta...

1. A redundant power supply control circuit for providing a power to a load, comprising:a power isolating circuit, configured to receive at least one of a first power from a first power device and a second power from a second power device and configured to isolate the first power from the second power, wherein
when the first power is provided, the power isolating circuit outputs the first power as a main power and isolates the second power from the load, and when the first power is not provided, the power isolating circuit outputs the second power to the load; and
a soft start circuit, coupled to the power isolating circuit to receive the main power and being enabled after receiving the main power, so as to output the main power to the load,
wherein the power isolating circuit comprises:
a first isolating circuit, configured to receive the first power from the first power device and coupled to the soft start circuit, wherein
when the first power is provided, the first isolating circuit outputs the first power as the main power, and when the first power is not provided, the first isolating circuit disconnects a current path between the soft start circuit and the first power device,
wherein the first isolating circuit comprises:
a first switch circuit, having a first terminal configured to receive the first power, and a second terminal coupled to the soft start circuit; and
a first control circuit, having an input terminal configured to receive the first power, and an output terminal coupled to a control terminal of the first switch circuit to control turning-on and turning-off of the first switch circuit, wherein
when the first power is provided, the first control circuit generates a first switch signal to turn on the first switch circuit, or otherwise, the first control circuit generates the first switch signal to turn off the first switch circuit,
wherein the first switch circuit comprises:
a first P-type metal oxide semiconductor field effect transistor (P-type MOSFET), having a drain terminal coupled to the first terminal of the first switch circuit, and a source terminal coupled to the second terminal of the first switch circuit, wherein a parasitic diode is between the drain terminal and the source terminal of the first P-type MOSFET,
wherein the first control circuit comprises:
a first voltage dividing circuit, coupled between the input terminal of the first control circuit and a ground terminal and configured to divide a voltage of the first power to generate a second switch signal; and
a first regulating triode, having an anode terminal coupled to the ground terminal, a cathode terminal coupled to the output terminal of the first control circuit, and a control terminal configured to receive the second switch signal.

US Pat. No. 10,396,663

MULTIPHASE REGULATOR WITH CURRENT PATTERN MATCHING

Infineon Technologies Aus...

1. A multiphase regulator, comprising:a plurality of output phases, each output phase being operable to deliver a phase current, through a separate inductor coupled to that output phase, to a load that is connected to the output phases via the separate inductors and an output capacitor; and
a controller operable to regulate a voltage delivered to the load by adjusting the phase currents delivered to the load by the output phases, monitor the phase currents delivered to the load by the output phases, determine if the monitored phase currents indicate any of the output phases, any of the separate inductors or the output capacitor are faulty even if a total current delivered to the load is within specified limits, synchronously switch the output phases which causes ripples in the phase currents, and detect if any of the phase currents fail to have a ripple current pattern that matches an expected ripple current pattern.

US Pat. No. 10,396,662

DIRECT CURRENT LINK CIRCUIT

Solaredge Technologies Lt...

1. A method comprising:connecting, through a resonant circuit, a direct current power source alternatively across:
a positive output terminal of a dual direct current output and a neutral terminal during a first portion of a switching cycle, wherein the first portion of the switching cycle comprises a first switched-on-period that corresponds to one half of a resonant period of the resonant circuit; and
a negative output terminal of the dual direct current output and the neutral terminal during a second portion of the switching cycle, wherein the second portion of the switching cycle comprises a second switched-on-period that corresponds to another half of the resonant period associated with the resonant circuit.

US Pat. No. 10,396,661

POWER SUPPLY CONTROL APPARATUS

AutoNetworks Technologies...

1. A power supply control apparatus that includes a semiconductor switch that is arranged midway in a power supply path and is ON if a voltage at a control end of the semiconductor switch is at least a threshold, the power supply control apparatus comprising:a second semiconductor switch that is arranged midway in the power supply path on an upstream side of the semiconductor switch, the second semiconductor switch being ON if a voltage at a control end thereof is at least a second threshold;
a resistor connected between one end of the power supply path on a current input side and the control end of the second semiconductor switch;
a diode having an anode connected to the control end of the semiconductor switch, and a cathode connected to the control end of the second semiconductor switch;
a voltage output unit for outputting a voltage; and
a switch connected between the one end of the power supply path and the control end of the semiconductor switch,
wherein the switch is ON if a differential voltage obtained by subtracting the voltage at the control end of the semiconductor switch from an output voltage that is output by the voltage output unit is at least a predetermined voltage, and is OFF if the differential voltage is smaller than the predetermined voltage.

US Pat. No. 10,396,660

SWITCHING REGULATOR, SEMICONDUCTOR INTEGRATED CIRCUIT, AND ELECTRONIC APPLIANCE

Rohm Co., Ltd., Kyoto (J...

1. A switching regulator configured to generate an output voltage from an input voltage, the switching regulator comprising:an upper switch of which a first terminal is connected to a first application terminal to which the input voltage is applied;
a lower switch of which a first terminal is connected to a second terminal of the upper switch and of which a second terminal is connected to a second application terminal to which a predetermined voltage lower than the input voltage is applied;
an inductor of which a first terminal is connected to a connection node between the upper switch and the lower switch;
an output capacitor connected to a second terminal of the inductor;
a controller configured to generate a control signal for complementarily turning on and off the upper switch and the lower switch according to the output voltage; and
a current extractor configured to extract a constant current from the first terminal or the second terminal of the inductor, wherein
the controller is configured, under a light load, to stop switching control and hold the upper switch and the lower switch in an off state, and
the constant current has a positive temperature characteristic and a value of the constant current is larger than a value obtained by subtracting a leakage current of the lower switch from a leakage current of the upper switch.

US Pat. No. 10,396,659

LOAD DRIVING DEVICE, AND LIGHTING APPARATUS AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME

Rohm Co., Ltd., Kyoto (J...

1. A light emitting load driving device comprising:a plurality of constant current sources structured to be serially connected to a plurality of light emitting loads connected in parallel respectively, and structured to control a current flowing through the plurality of light emitting loads connected in parallel;
a plurality of load connection terminals structured to be connected to the plurality of light emitting loads connected in parallel and the plurality of constant current sources respectively;
a control circuit structured to be controlled based on a plurality of terminal voltage applied to the plurality of load connection terminals and a reference voltage, and structured to control a voltage output portion generating an output voltage provided to the plurality of light emitting loads connected in parallel so that both of a lowest terminal voltage applied to the plurality of load connection terminals and the reference voltage are equalized with respect to each other.

US Pat. No. 10,396,658

POWER SUPPLY PROTECTION CIRCUIT AND METHOD

JOULWATT TECHNOLOGY (HANG...

1. A power supply protection method for applying a power supply protection circuit,wherein the power supply protection circuit comprises a current control unit, a voltage feedback unit, and a current pull-up unit; the voltage feedback unit is connected to the current control unit, the voltage feedback unit obtains a feedback voltage of an output voltage and feeds back the feedback voltage to the current control unit, and the current control unit uses the feedback voltage to control the current control unit to regulate an output current; and
the current pull-up unit is connected to a feedback terminal of the voltage feedback unit, and the current pull-up unit provides the voltage feedback unit with a pull-up current to determine whether the feedback terminal of the voltage feedback unit is short-circuited,
the power supply protection circuit further comprising a regulating unit, an input terminal of the regulating unit being connected to the feedback terminal of the voltage feedback unit, and the regulating unit regulating the pull-up current of the current pull-up unit according to the feedback voltage, so as to determine whether the feedback terminal of the voltage feedback unit is short-circuited,
the regulating unit comprises a first operational amplifier, a first input terminal of the first operational amplifier receives a first reference signal, a second input terminal is connected to the feedback voltage, and an output terminal of the first operational amplifier is connected to the current pull-up unit, and
a first input terminal of the current control unit is connected to a second reference signal, and a voltage of the first reference signal is smaller than a voltage of the second reference signal,
wherein the power supply protection method comprises the following steps:
comparing the feedback voltage with the first reference signal;
if the feedback voltage is greater than the first reference signal, the regulating unit outputting a voltage lower than a lowest driving voltage of the current pull-up unit, and the current pull-up unit being disabled to provide the pull-up current;
if the feedback voltage is smaller than the first reference signal, the regulating unit outputting a voltage higher than the lowest driving voltage of the current pull-up unit, and the current pull-up unit providing the voltage feedback unit with the pull-up current according to the output voltage of the regulating unit;
determining a type of a short circuit according to a value of the output voltage of the regulating unit or the pull-up current; and
if the output voltage of the regulating unit reaches a maximum driving voltage or the pull-up current reaches a maximum pull-up current, the feedback terminal of the voltage feedback unit being short-circuited; otherwise, a load being short-circuited.

US Pat. No. 10,396,657

ELECTRONIC DEVICE WITH AN OUTPUT VOLTAGE BOOSTER MECHANISM

Micron Technology, Inc., ...

1. An electronic device, comprising:a clock booster configured to generate a boosted intermediate voltage greater than a source voltage, wherein the clock booster includes:
a controller capacitor configured to store energy for providing a gate signal, wherein the gate signal is for controlling charging operations to generate the boosted intermediate voltage based on the source voltage,
a booster capacitor configured to store energy according to the gate signal for providing the boosted intermediate voltage, wherein the booster capacitor has greater capacitance level than the controller capacitor,
a first controller switch operably coupled to the controller capacitor, the first controller switch including a first portion, a second portion, and a gate portion, wherein the first portion is directly connected to the source voltage and the second portion is directly connected to the controller capacitor,
a second controller capacitor directly connected to the gate portion of the first controller switch, and
a second controller switch including a further first portion, a further second portion, and a further gate portion, wherein the further first portion is directly connected to the source voltage, the further second portion is directly connected to the second controller capacitor and the gate portion of the first controller switch, and the further gate portion is directly connected to the controller capacitor and the second portion for receiving the gate signal; and
a secondary booster operatively coupled to the clock booster, the secondary booster configured to generate an output voltage based on the boosted intermediate voltage, wherein the output voltage is greater than the boosted intermediate voltage.

US Pat. No. 10,396,656

CONTROL CIRCUIT FOR SUPPRESSING ELECTROMAGNETIC INTERFERENCE SIGNALS

AnApp Technologies Limite...

1. A control circuit for suppressing electromagnetic interference signals, the control circuit comprising:an input and an output;
a variable gain filter circuit with a first gain factor, wherein
the first gain factor is variable, and
the variable gain filter circuit receives a signal indicative of an electromagnetic interference signal, and outputs a signal to a controlled signal source with a second gain factor; and
a controller operably connected to the variable gain filter circuit, wherein the controller receives a signal indicative of an output signal at the output of the control circuit, and outputs a control signal to the variable gain filter circuit based on the signal indicative of the output signal at the output of the control circuit, and the control signal controls the first gain factor.

US Pat. No. 10,396,655

POWER FACTOR CORRECTION CIRCUIT, CONTROL METHOD AND CONTROLLER

Silergy Semiconductor Tec...

1. A power factor correction circuit, comprising:a) a power meter configured to measure a power factor at an input port;
b) a switching-type regulator that is controllable by a switching control signal in order to adjust said power factor of an input AC power;
c) an electromagnetic interference (EMI) filter disposed between said switching-type regulator and said input port;
d) a controller configured to generate said switching control signal to maximize said power factor by adjusting a current reference signal according to a measured power factor, wherein said current reference signal represents an expected inductor current of said switching-type regulator; and
e) wherein said controller is configured to delay said current reference signal by an offset time that is obtained based on said measured power factor, and to control said inductor current of said switching-type regulator based on the delayed current reference signal to approach said expected inductor current.

US Pat. No. 10,396,654

START-UP CIRCUIT

SCHNEIDER ELECTRIC SOLAR ...

1. A start-up circuit for a power system, the start-up circuit comprising:an input configured to be coupled to a power source and to receive input DC power from the renewable energy based power source;
an output;
a current regulator portion coupled to the input and configured to provide a regulated output current derived from the input DC power to the output; and
a voltage regulator portion coupled to the current regulator portion and the output and configured to generate a regulated output voltage at the output derived from the input DC power
wherein the current regulator portion comprises a first regulator configured to monitor the regulated output current and control a level of the regulated output current by adjusting a voltage drop of the current regulator portion.

US Pat. No. 10,396,653

DC-DC CONVERTER, SWITCHING IC, AND INDUCTOR DEVICE

MURATA MANUFACTURING CO.,...

1. A DC-DC converter that generates an adjusted output voltage from an input voltage and supplies the adjusted output voltage to a load, the DC-DC converter comprising:an inductor device including an inductance value that is switched between a first inductance and a second inductance larger than the first inductance in a case where the load includes a first load and a second load heavier than the first load, the inductor device including a first coil, a second coil, and a switching element with a conductive state and a non-conductive state that are controlled in accordance with the load; and
a switching circuit electrically connected to the inductor device; wherein
a circuit in which the second coil and the switching element are electrically connected in series and the first coil are electrically connected in parallel;
the switching element is brought into conduction in a case where a predetermined light load condition is satisfied at the load;
the switching circuit includes a controller that determines whether the predetermined light load condition is satisfied;
the controller outputs a signal that controls a conductive state and a non-conductive state of a transistor included in the switching circuit;
the switching circuit includes a diode; and
the inductor device superimposes an output voltage generated by a counter-electromotive force on the input voltage via the diode in the non-conduction period of the transistor.

US Pat. No. 10,396,652

CONTROLLED POWER ADJUSTMENTS

HEWLETT PACKARD ENTERPRIS...

1. An apparatus comprising:a sensor to measure power received at a transformer; and
a controller to:
receive, from the sensor, a measurement of the power;
compare the measurement of the power to a pre-defined threshold;
responsive to determining that the measurement is outside the scope of the threshold, calculate an adjustment to the consumption of the power by a load; and
provide the adjustment to a power supply of the load to adjust the power consumed by the power supply,
wherein the controller is further to provide the adjustment including at least one of a harmonics adjustment and a phase shift adjustment corresponding to the power consumed by the power supply.

US Pat. No. 10,396,651

POWER CONVERSION APPARATUS

DENSO CORPORATION, Kariy...

1. A power conversion apparatus comprising:a main semiconductor device and a subsidiary semiconductor device that are connected in parallel to each other and undergo switching operations, wherein
the main semiconductor device and the subsidiary semiconductor device are controlled so that at least one of first and second conditions is met, the first condition being that a first turn-on timing at which the main semiconductor device is switched from an off-state to an on-state and a second turn-on timing at which the subsidiary semiconductor device is switched from an off-state to an on-state are different from each other, the second condition being that a first turn-off timing at which the main semiconductor device is switched from an on-state to an off-state and a second turn-off timing at which the subsidiary semiconductor device is switched from an on-state to an off-state are different from each other, and
a first induction current directed to turn off the subsidiary semiconductor device is generated in a control terminal of the subsidiary semiconductor device depending on a temporal change of a main current flowing to the main semiconductor device.

US Pat. No. 10,396,650

DC-DC CONVERTER FOR CONTROLLING AN AIRCRAFT FAN INVERTER, AND ASSOCIATED CONTROL METHOD AND FAN

1. An electric DC-DC converter suitable for being supplied with power by a primary voltage source and for supplying control electronics of a three-phase inverter with power, said three-phase inverter being configured to control a fan of a ventilation system of an aircraft, wherein said converter comprises:a transformer comprising two primary windings and at least one secondary winding;
a primary circuit comprising a power supply input suitable for being connected to a first terminal of the primary voltage source, said power supply input being connected to two switching loops each comprising one of the primary windings of the transformer and a controllable transistor having a parasitic capacitance and thus forming a symmetrical assembly;
at least one secondary circuit comprising the at least one secondary winding of the transformer, said secondary winding comprising two terminals connected, firstly, to a capacitive rectifier bridge suitable for supplying the control electronics of the three-phase inverter with a positive output voltage equal to twice the peak voltage at the terminals of the secondary winding and, secondly, to a branch of the at least one secondary circuit suitable for supplying the control electronics of the three-phase inverter with a negative output voltage equal to the opposite of the peak voltage at the terminals of the secondary winding,
and in that the controllable transistors are suitable for each being controlled by a control signal between an on-state and an off-state, such that when one controllable transistor is in the on-state, the other controllable transistor is in the off-state and such that when the one controllable transistor is controlled from the on-state to the off-state, the two controllable transistors are held in the off-state during a dead time so as to effect zero voltage switching.

US Pat. No. 10,396,649

SWITCHING DEVICE AND SWITCHING APPARATUS INCLUDING THE SAME

ASIAN H.Y. NANO TECHNOLOG...

1. A switching device to be electrically connected to a solar panel for stabilizing an electric output of the solar panel, said switching device comprising:a switch circuit operable to switch between a closed state and an open state, and including a first node that is configured to be electrically connected to the solar panel for receiving input voltage and input current therefrom, and a second node;
a voltage converter circuit electrically connected to said second node for receiving the input voltage and the input current from said switch circuit when said switch circuit is in the closed state, and configured to convert the input voltage and the input current into output voltage and output current; and
a control unit electrically connected to said switch circuit and said voltage converter circuit, and configured to
measure an input voltage value of the input voltage, an input current value of the input current, an output voltage value of the output voltage, and an output current value of the output current,
calculate an input electric power based on the input voltage value and the input current value,
calculate an output electric power based on the output voltage value and the output current value, and
control said switch circuit to switch between the closed state and the open state according to the input electric power and the output electric power.

US Pat. No. 10,396,648

VOLTAGE ADJUSTING CIRCUIT AND METHOD FOR ADJUSTING VOLTAGE

NEC CORPORATION, Tokyo (...

1. A voltage adjusting circuit, comprising:a voltage generating circuit that generates a power source voltage of a power source line;
a variable current generating unit that generates a monotonously increasing variable current to be supplied to the power source line;
a decision voltage generating unit that generates a decision voltage by using the power source voltage of the power source line;
a power source noise detecting unit that detects power source noise of the power source line based on the power source voltage of the power source line and the decision voltage; and
a setting voltage decision circuit that decides a setting value for the power source voltage, based on a detection result by the power source noise detecting unit.

US Pat. No. 10,396,647

CONVERTER CONTROLLING DEVICE FOR HYBRID VEHICLE AND CONVERTER CONTROLLING METHOD FOR HYBRID VEHICLE

MANDO CORPORATION, Pyeon...

1. A converter controlling device for a hybrid vehicle, comprising an electronic control unit (ECU) configured to:monitor a state of charge (SoC) of a low voltage battery, an SoC of a high voltage battery, and a load value of an electronic load;
compare a level of the SoC of the low voltage battery, a level of the SoC of the high voltage battery, and the load value of the electronic load with a first charging threshold value, a second charging threshold value, and a load threshold value, respectively;
determine whether to adjust an output control value of a converter as comparison results of the ECU; and
decrease the output control value of the converter to be lower than a level during normal control such that a power supply amount from the low voltage battery to the electronic load is increased, or increase the output control value of the converter to be higher than the level during the normal control such that a power supply amount through the converter is increased, as a determination result of the ECU.

US Pat. No. 10,396,646

MICRO VALUE COMPRISING AN ELECTRODYNAMIC ACTUATOR HAVING STATIONARY MAGNET ARRANGEMENT AND A MOVEABLE AIR-CORE COIL

BUERKERT WERKE GMBH, Ing...

1. A microvalve, comprising:a fluid housing;
a valve seat arranged in the fluid housing;
a diaphragm clamped in the fluid housing and disposed on the valve seat; and
an electrodynamic actuator placed on the fluid housing and configured to control a movement of the diaphragm in order to open or close the valve seat,
wherein the electrodynamic actuator comprises:
an immovable actuator structure including a magnet arrangement consisting of a plurality of permanent magnets, and configured to generate magnetic fields;
a movable actuator structure including a control element having an air-core coil comprising a multitude of windings around a magnetically non-soft core, the air-core coil being arranged in the magnetic field and firmly coupled to a coil carrier made from a nonmagnetic material, the air-core coil being received in or wound on the coil carrier, and the control element configured to move relative to the magnet arrangement; and
an extension part extended from the coil carrier and coupled with the diaphragm, and configured to open or close the valve seat by cooperating with the coupled diaphragm in response to a movement of the control element,
wherein the magnetic fields include
a first magnetic field having a first principal direction and
a second magnetic field having a second principal direction opposed to the first principal direction,
wherein the control element is mounted for swiveling movement about an axis of rotation that is parallel to the first and second principal directions of the magnetic fields, and
wherein the extension part is formed integrally with the coil carrier or is attached to the coil carrier.

US Pat. No. 10,396,645

VIBRATION MOTOR

NIDEC SEIMITSU CORPORATIO...

1. A vibration motor comprising:a stationary portion including a casing and a coil;
a vibrator including a magnet and a weight, and supported to vibrate in one direction with respect to the stationary portion; and
an elastic member between the stationary portion and the vibrator; wherein
the magnet is on an upper side of the coil in a vertical direction perpendicular to the one direction;
the weight includes a first weight portion in a shape of a flat plate, and at least one second weight portion that extends downward from a lower surface of the first weight portion;
the elastic member includes a fixing portion fixed to a side surface of the vibrator, and a top plate portion joined to the fixing portion, and fixed to an upper surface of the vibrator;
the top plate portion is opposite to the magnet in the vertical direction; and
the casing includes a base, a lowermost portion of the coil being closer to the base than a lowermost portion of the second weight portion is.

US Pat. No. 10,396,644

VIBRATION MOTOR

NIDEC SEIMITSU CORPORATIO...

1. A vibration motor comprising:a stationary portion including a base and an annular coil;
a vibrator including a magnet and a weight, and supported to be capable of vibrating in one direction with respect to the stationary portion; and
elastic members between the stationary portion and the vibrator; wherein
the base includes a pair of columnar portions projecting upward in a vertical direction perpendicular to the one direction; and
outside surfaces of the pair of columnar portions are opposite to an outside surface of the coil;
each of the pair of columnar portions is directly under respective ones of the elastic members; and
the weight includes extending portions positioned between the outside surfaces of the pair of columnar portions and the outside surface of the coil.

US Pat. No. 10,396,643

MOTOR

MINEBEA MITSUMI INC., Na...

1. A motor comprising:a rotational shaft;
a bearing supporting the rotational shaft;
a magnet including plural magnetic poles in a circumferential direction;
a rotor core disposed inside the magnet; and
a magnetic sensor, wherein
the magnet includes a projection portion projecting toward a side of the bearing with respect to the rotor core in a direction of the rotational shaft, and
the magnetic sensor is positioned between the rotor core and the bearing in the direction of the rotational shaft and is positioned inside an inner peripheral surface of the projection portion.

US Pat. No. 10,396,642

MAGNETIC PROPULSION AND ELECTRICAL GENERATION SYSTEM

1. A magnetic propulsion drive system, comprising:a first radial magnetic assembly (RMA);
a first axle coupled to the first RMA;
a first permanent magnet of a first polarity on an exterior surface of the first RMA;
a first electromagnet of a second polarity positioned next to the first permanent magnet on the first RMA;
a second RMA;
a second axle coupled to the second RMA;
a second electromagnet magnet of the first polarity on an exterior surface of the second RMA, the first permanent magnet disposed to align with the second electromagnet during rotation of the first RMA and rotation of the second RMA,
a second permanent magnet of the second polarity positioned next to second electromagnet on the second RMA, the first electromagnet dispose to align with the second permanent magnet during rotation of the first RMA and rotation of the second RMA,
wherein the second electromagnet is activated when in alignment with the first permanent magnet, the first electromagnet is activated when in alignment with the second permanent magnet, the first electromagnet and the second permanent magnet repelling from each other during activation of the first electromagnet, the second electromagnet and the first permanent magnet repelling from each other during activation of the second electromagnet and causing the first axle and second axle to rotate;
a drive shaft rotated by turning of the first axle and the second axle;
a stator element proximate the first permanent magnet and the second permanent magnet; and
an electrical output conductor coupled to the stator element configured to receive current generated by interaction of the first permanent magnet and the second permanent magnet with the stator element during rotation of the first RMA and rotation of the second RMA.

US Pat. No. 10,396,641

RESIN INJECTION METHOD INTO LAMINATED CORE, AND ROTATING ELECTRIC MACHINE USING THE RESIN INJECTION METHOD

MITSUBISHI ELECTRIC CORPO...

1. A resin injection method into a laminated core, which uses an axial hole provided in a laminated core of a rotating electric machine and injects resin into a gap of said laminated core using a resin supplying unit which has a resin container that accumulates the resin and a pump, and a resin injection unit which injects the resin supplied from said resin supplying unit into the axial hole of said laminated core, the resin injection method into the laminated core comprising:inserting an injection pipe of said resin injection unit from one end of the axial hole;
supplying the resin into said injection pipe by putting pressure from said resin supplying unit in a state where a gap between the outer peripheral side of said injection pipe and the inner peripheral side of the axial hole is blocked by a first elastic ring provided on the outer periphery of said injection pipe;
injecting the resin from the injection pipe into the gap of the laminated core; and
discharging resin remaining in the axial hole by supplying air into said injection pipe after resin injection.

US Pat. No. 10,396,640

BLOWER WITH BEARING TUBE

ResMed Motor Technologies...

1. A method for forming windings of a stator assembly of a motor in a blower for generating a supply of air at positive pressure, the blower including a rotor adapted to be driven by the motor and at least one impeller provided to the rotor, the method comprising:providing a stationary portion for the blower including a tube, the tube comprising a cylindrical side wall having an interior surface and an exterior surface, the interior surface of the cylindrical side wall adapted to support the rotor located within the tube; and
using the exterior surface of the cylindrical side wall as a mandrel to form the windings of the stator assembly such that the windings are wound directly on the cylindrical side wall about an axis that is substantially coaxial to an axis of the cylindrical side wall,
wherein the cylindrical side wall is free of protrusions extending radially outwardly from the exterior surface in a region of the windings.

US Pat. No. 10,396,639

METHOD FOR PRODUCING A WINDING OF AN ELECTRIC MACHINE

CPT Group GmbH, Hannover...

1. A method for producing a winding of a winding carrier of an electric machine, the method comprising the following method steps:providing a laminated core that includes at least one first slot for receiving at least one first winding segment of the winding and at least one second slot for receiving at least one second winding segment of the winding;
inserting the at least one first winding segment into the at least one first slot up to at least one first region that includes a first exposed end portion, and inserting the at least one second winding segment into the at least one second slot up to at least one second region that includes a second exposed end portion;
retaining the first end portion as a result of inserting the first end portion in a first recess of a first bending device and as a result of positioning a first retaining element into a locking position in the first recess, and retaining the second end portion as a result of inserting the second end portion in a second recess of the first bending device;
bending the first and the second region in a first bending direction about a first bending angle as a result of rotating the first bending device about a rotational axis concentrically with respect to the laminated core, whilst the first and the second end portions are retained;
releasing the first end portion as a result of moving the first retaining element from the locking position into an unlocking position; and
bending the second region further in the first bending direction about a second bending angle once the first end portion has been released.

US Pat. No. 10,396,638

STATOR MANUFACTURING APPARATUS AND STATOR MANUFACTURING METHOD

NITTOKU ENGINEERING CO., ...

1. A stator manufacturing apparatus comprising:an insertion tool configured to be inserted into a stator core that has slots, the insertion tool having holding grooves formed on an outer periphery in correspondence with the slots, the insertion tool being configured to accommodate a pair of side portions of a stator coil in two of the holding grooves separated by a predetermined width;
a gripping tool configured to grip the pair of side portions of the stator coil and insert the pair of side portions of the stator coil into the two of the holding grooves;
a pressing tool having a pressing body and plate-like pushers arranged on the pressing body in correspondence with positions of the holding grooves of the insertion tool, the plate-like pushers having tips and widths that narrow toward the tips,
wherein
the pressing tool is configured to push radially outward the pair of side portions of the stator coil inserted in the two of the holding grooves and insert the side portions into corresponding slots of the stator core by inserting the tips of the pushers into the two of the holding grooves, and
the insertion tool has a recessed groove formed circumferentially on the outer periphery configured to enable the gripping tool to be inserted therein when the gripping tool inserts the pair of side portions of the stator coil into the two of the holding grooves.

US Pat. No. 10,396,637

ELECTRIC MOTOR AND RADIATOR FAN MODULE COMPRISING AN ELECTRIC MOTOR OF THIS TYPE

1. An electric motor, the electric motor comprising:a stator which is composed of layered metal sheets,
a motor support made of an electrically conductive material,
a cable connection comprising an earth line cable, and
at least one connecting and contacting element made of an electrically conductive material,
wherein the connecting and contacting element is constructed and arranged on the electric motor such that it provides an earth connection between the stator and the motor support or between the stator and the earth line cable of the cable connection, and
wherein the stator and the motor support are fastened to one another independently of the connecting and contacting element.

US Pat. No. 10,396,636

POWER CONVERTER AND ROTARY ELECTRIC MACHINE

DENSO CORPORATION, Kariy...

1. A power converter for performing power conversion between an external direct-current power source and a stator coil of a rotary electric machine, the power converter comprising:a housing having opposing first and second surfaces;
a semiconductor module including at least one semiconductor element and having a predetermined surface, the semiconductor module being disposed in the housing to face the first surface of the housing, and being configured to perform the power conversion;
a cooler disposed to be directly or indirectly in surface contact with the predetermined surface of the semiconductor module;
a plurality of outer lead frames that extend out from the semiconductor module and are bent to extend away from the cooler, each of the outer lead frames having a terminal end, the terminal end of each of the outer lead frames projecting through a virtual plane extending along the second surface of the housing;
a plurality of connector leads each including:
an inner portion disposed in the housing; and
an outer portion that extends out from the housing and is bent to extend away from the cooler, the outer portion of each of the connector leads having a terminal end, the terminal end of the outer portion of each of the connector leads projecting through the virtual plane;
a joint portion at which the terminal end of each of the outer lead frames is joined to the terminal end of the outer portion of a corresponding one of the connector leads;
a cap member that extends from the second surface of the housing to the cooler to cover the outer lead frames, the outer portions of the connector leads, and the joint portion; and
a resin filler filled in a space defined between the housing, the cooler, and the cap member.

US Pat. No. 10,396,635

REFLECTIVE OPTICAL ENCODER WITH CONTAMINANT PROTECTION

OTIS ELEVATOR COMPANY, F...

1. An optical encoder and motor assembly, comprising:a motor and brake device, the motor and brake device including a motor shaft that rotates or remains stationary based on operation of the motor and brake device;
a motor and brake housing at least partially enclosing the motor and brake device, the motor and brake housing including at least one cavity aligned with the motor shaft;
an encoder housing at least partially received in the at least one cavity, the encoder housing including an opening;
an encoder shaft supported partially within the encoder housing and partially extending through the opening of the encoder housing, the encoder shaft being associated with the motor shaft so that the encoder shaft rotates relative to the encoder housing as the motor shaft rotates;
an encoder disk secured to the encoder shaft, the encoder disk rotating with the encoder shaft, the encoder disk being within the encoder housing;
at least one detector within the encoder housing, the at least one detector being situated relative to the encoder disk to detect rotary movement of the encoder disk;
a seal at an interface between the encoder shaft and the encoder housing, the seal surrounding the encoder shaft, the seal being outside of the encoder housing, the seal being situated to prevent contaminants from the cavity from entering the encoder housing through the opening; and
a packing inside the encoder housing between the opening and the encoder disk, the packing being situated to prevent any debris associated with rotation of the encoder shaft relative to the seal from contacting the encoder disk.

US Pat. No. 10,396,634

SENSOR ASSEMBLY AND MOTOR INCLUDING THE SAME

LG INNOTEK CO., LTD., Se...

1. A sensor assembly comprising:a holder including a side surface and a bottom surface;
a first insertion groove formed in the bottom surface of the holder;
a sensing magnet disposed in the first insertion groove, a bottom surface of the sensing magnet extending below the bottom surface of the holder; and
a sensor cap configured to cover the sensing magnet, the sensor cap having a bottom portion contacting the bottom surface of the sensing magnet, and a side portion extending over and fixed to the side surface of the holder.

US Pat. No. 10,396,633

HAPTIC DEVICE

1. A haptic device comprises:a first gyroscope having a first axis and a second gyroscope having a second axis wherein the first gyroscope and the second gyroscope are affixed to a frame so the first and second axes are aligned, which gyroscopes are adapted to generate predetermined values of combined angular momentum in a first direction with respect to the aligned axes of the gyroscopes;
a torque generator apparatus coupled to the frame, which torque generator apparatus is adapted to apply a torque to the frame to cause the first and second gyroscopes to rotate about a second direction which is perpendicular to the first direction; and
a base coupled to the torque generator apparatus so that rotation of the gyroscopes caused by the torque generator apparatus does not cause rotation of the base.

US Pat. No. 10,396,632

STATOR FOR ROTARY ELECTRIC MACHINE HAVING INTEGRALLY MOLDED TEMPERATURE SENSOR

TOYOTA JIDOSHA KABUSHIKI ...

1. A stator for a rotary electric machine, the stator comprising:a stator core;
a coil that is wound around the stator core;
a mold portion that includes a coil end portion, the coil end portion projecting outward from the stator core of the coil in an axial direction of the stator, a bulge portion being provided at an end portion of the mold portion in the axial direction of the stator, the mold portion being configured to mold the coil end portion, and a liquid cooling medium being supplied from a cooling medium supply member to an outer peripheral surface of the mold portion; and
a temperature sensor that is provided at the end portion of the mold portion in the axial direction of the stator, the temperature sensor being configured to measure a temperature of the coil, wherein
the bulge portion is provided bulging outward in the axial direction of the stator to surround at least part of a periphery of the temperature sensor,
the bulge portion is configured to restrain the liquid cooling medium from being supplied to the temperature sensor, and
the bulge portion is molded integrally with the mold portion,
wherein the stator core includes a plurality of teeth that are arranged apart from one another in a circumferential direction of the stator, and the coil is wound around each of the teeth of the stator core in a concentrated manner,
wherein a position of the bulge portion in the circumferential direction of the stator is a position between the coils that are adjacent to each other in the circumferential direction of the stator, and
wherein the bulge portion has an insertion hole that opens to one end surface in the axial direction of the stator, the temperature sensor being disposed in the insertion hole.

US Pat. No. 10,396,631

DUAL INVERTER AND ELECTRIC MOTOR SPLIT-FLOW COOLING SYSTEM

NIO USA, Inc., San Jose,...

1. A cooling system, comprising:a cooling supply chamber disposed adjacent to and along a length of an inverter, the cooling supply chamber configured to receive coolant;
a first cooling channel extending from and in fluid connection with the cooling supply chamber, the first cooling channel following a path arranged to cool a first area of the inverter;
a second cooling channel extending from and in fluid connection with the cooling supply chamber, the second cooling channel following a path arranged to cool a different second area of the inverter, wherein the first cooling channel ends at a first outlet, and wherein the second cooling channel ends at a different second outlet;
a first motor cooling channel interconnected with the first outlet of the first cooling channel, the first motor cooling channel configured to follow a length of a first electric motor; and
a second motor cooling channel interconnected with the second outlet of the second cooling channel, the second motor cooling channel configured to follow a length of a second electric motor, wherein the first and second motor cooling channels interconnect to a single cooling system exit channel.

US Pat. No. 10,396,630

SYSTEM AND METHOD FOR COOLING WINDINGS OF GENERATOR ROTOR

SIEMENS ENERGY, INC., Or...

1. A system for cooling windings of a generator rotor, wherein the rotor comprises a retaining ring at a turbine end side and a retaining ring at an excitation end side, wherein the rotor has an integral rotor shaft extension axially extending out the retaining rings, the system comprising:a cooling passage comprising:
an inlet radial bore radially extending into the rotor shaft extension;
an inlet axial bore connected to the inlet radial bore, wherein the inlet axial bore axially extends within the rotor shaft extension to an axial location under the retaining ring at the turbine end side;
a first radial bore connected to the inlet axial bore, wherein the first radial bore radially extends from a cavity under the retaining ring at the turbine end side into the rotor shaft extension;
a second radial bore radially extending from a cavity under the retaining ring at the excitation end side into the rotor shaft extension;
an outlet axial bore connected to the second radial bore, wherein the outlet axial bore axially extends within the rotor shaft extension from an axial location under the retaining ring at the excitation end side;
an outlet radial bore connected to the outlet axial bore, wherein the outlet radial bore radially extends into the rotor shaft extension; and
an axial passage through the windings from the cavity under the retaining ring at the turbine end side to the cavity under the retaining ring at the excitation end side; and
a coolant for cooling the windings,
wherein the coolant enters into the cooling passage through the inlet radial bore, axially flows within the rotor shaft extension through the inlet axial bore, enters into the windings from the cavity under the retaining ring at the turbine end side through the first radial bore, axially flows through the windings from the turbine end side to the excitation end side through the axial passage, radially flows inwardly into the rotor shaft extension from the cavity under the retaining ring at the excitation end side through the second radial bore, axially flows within the rotor shaft extension through the outlet axial bore, and exits the cooling passage through the outlet radial bore.

US Pat. No. 10,396,629

INTEGRATED SHAFT LIQUID-COOLING FOR ELECTRIC MOTOR WITH GEARBOX

VEPCO TECHNOLOGIES, Chin...

1. An electric motor comprising:a gearbox housing containing a gearbox, a sump, and a first-stage shaft rotatably mounted in the gearbox housing, wherein the first-stage shaft has an internal passageway defined along the longitudinal axis of the first-stage shaft and extending between opposite first and second ends thereof, and wherein at the second end the internal passageway communicates with the sump;
a rotatably-mounted motor shaft coupled to the first end of the first-stage shaft, the motor shaft having an internal passageway defined along the longitudinal axis of the motor shaft and extending between opposite first and second ends thereof, and wherein at the second end the internal passageway of the motor shaft communicates with the internal passageway of the first-stage shaft at the first end thereof;
wherein the internal passageways of the motor shaft and first-stage gearbox shaft define a coolant path for a liquid coolant, the coolant path beginning at the first end of the motor shaft and proceeding entirely through the internal passageways of the motor shaft and the first-stage shaft, and the coolant path terminating at the sump, where coolant exiting the internal passageway of the first-stage shaft at the second end thereof is collected.

US Pat. No. 10,396,628

DRIVE DEVICE

AISIN AW CO., LTD., Anjo...

1. A drive device comprising:a cylindrical rotor core of a rotary electric machine,
a rotor shaft that supports the rotor core from a radially inner side, and
a power transfer shaft coupled such that the power transfer shaft rotates together with the rotor shaft, wherein:
the rotor shaft is formed in a tubular shape that has an outer peripheral surface that contacts an inner peripheral surface of the rotor core;
the power transfer shaft is disposed radially inward of the rotor shaft;
outer engagement portions, which include a plurality of engagement grooves that extend in an axial direction in parallel with each other, are formed on at least a part of a region of an inner peripheral surface of the rotor shaft that overlaps the rotor core as seen in a radial direction;
inner engagement portions, which include a plurality of engagement grooves that extend in the axial direction in parallel with each other and which are engageable with the outer engagement portions, are formed on an outer peripheral surface of the power transfer shaft; and
the power transfer shaft is provided with a supply oil passage that supplies cooling oil to an axial oil passage, which includes clearances formed between the outer engagement portions and the inner engagement portions to extend in the axial direction.

US Pat. No. 10,396,627

ELECTRIC MOTOR OR GENERATOR

PROTEAN ELECTRIC LIMITED,...

1. An electric motor or generator comprising a stator with at least one coil winding, wherein the stator includes a heat sink having a first surface having a section of the at least one coil winding arranged to extend through and in a direction away from the first surface, and a control module having a housing with a first side that is arranged to be mounted to the first surface of the heat sink, wherein the housing includes a first element for detecting current flow, and a control device for controlling current flow in the at least one coil winding based upon the current flow detected by the first element, wherein the section of the at least one coil winding that is arranged to extend away from the first surface is arranged to extend through an aperture formed on the first side of the housing for coupling to the control device, wherein the first element is mounted in the housing adjacent to the section of the at least one coil winding, wherein the first side of the housing includes a recess formed around the aperture on the opposite surface to that mounted adjacent to the first surface of the heat sink for mounting the first element.

US Pat. No. 10,396,626

ELECTRIC MACHINE

AUDI AG, Ingolstadt (DE)...

1. An electric machine, comprising:a housing including a front side and a rear side;
a shaft extending through a central axis of the housing and rotatably supported in the housing by a first shaft bearing mounted on the front side and a second shaft bearing mounted on the rear side of the housing;
a stator received in the housing;
a rotatable rotor received in the housing and interacting with the stator, wherein the stator is stationary and arranged in coaxial surrounding relation to the rotor; and
a planetary gear train accommodated in the housing, directly connected with the rotor as a prolongation of the rotor and connecting the rotor and the shaft with one another,
wherein the rotor is indirectly connected with the shaft via the planetary gear train,
wherein the planetary gear train includes a sun wheel having external teeth and connected with the rotor, a primary planet carrier connected to the shaft, a ring gear having internal teeth and mounted to the housing, and plural planet wheels, each planet wheel having external teeth and a planet wheel shaft which is rotatably secured to the primary planet carrier, said external teeth of the planet wheels meshing with the external teeth of the sun wheel and engaging the internal teeth of the ring gear,
wherein the primary planet carrier is arranged directly adjacent to the first shaft bearing and arranged entirely in the housing.

US Pat. No. 10,396,625

PROTECTOR FOR PREVENTING MOTOR DAMAGE

IEI Integration Corp., N...

1. A protector for preventing motor damage comprising:a link member linked to a driving part of a motor and having a mounting groove disposed on one side thereof and a first insertion hole arranged at a center thereof;
a damping member that is having elasticity, mounted in the mounting groove and disposed with a second insertion hole corresponding to the first insertion hole; and
a driver member arranged with a projecting block at a center thereof and used for driving a passive member;
wherein a first surface of the driver member is covered on the mounting groove to form a receiving space; the projecting block is mounted in the second insertion hole while an inner edge of the second insertion hole is closely attached to an outer edge of the projecting block; the damping member is compressed in the receiving space so that an outer edge of the damping member is tightly attached to an inner edge of the mounting groove and the first surface of the driver member.

US Pat. No. 10,396,624

ELECTROMAGNETIC TORQUE MOTOR WITH HIGH TORQUE AND LIMITED ANGLE

1. An electromagnetic torque motor having a limited angular displacement, the electromagnetic torque motor comprising:a rotating part having one or more entirely flat surfaces; and
one or more fixed parts, each fixed part having two or more ends, each end of the fixed part having a surfaces facing the one or more corresponding surfaces on the rotating part,
wherein facing surfaces of the rotating part and the one or more fixed parts are separated with gaps, which are of zero value when the facing surfaces of the rotating and the one or more fixed parts are in the closest position, and when the rotating part is displaced, the gap therebetween is generated,
wherein one or more entirely flat surfaces of the fixed part starts from a point in align with a center of rotation of the rotating part, and are angularly inclined along one side of the rotating part, and in that such angular inclination of the fixed part extends from the point in align with the center of rotation of the rotating part and towards an end portion of the rotating part to enable the gaps between the facing surfaces of the fixed and rotating parts, such that the gap width between the two facing surfaces is smallest at a vertex side of the angular inclination, and largest along opposite side of the vertex.

US Pat. No. 10,396,623

MOTOR SHAFT, MOTOR AND MOTOR ASSEMBLY

Minebea Co., Ltd., Nagan...

1. A motor comprising:a motor shaft including a press-fitting surface; and
a first annular projection group and a second annular projection group formed in the press-fitting surface of the motor shaft,
wherein the first annular projection group and the second annular projection group are separated from each other in an axial direction, a distance between an adjacent two of annular projections in the first annular projection group and a distance between an adjacent two of annular projections in the second annular projection group are smaller than a distance between the first annular projection group and the second annular projection group in the axial direction.

US Pat. No. 10,396,622

ELECTROMAGNETIC ACTUATOR AND ACTIVE VIBRATION-DAMPING DEVICE

SUMITOMO RIKO COMPANY LIM...

1. An electromagnetic actuator comprising:an outer tubular member;
an inner axial member;
an elastic member connecting the outer tubular member and the inner axial member;
a coil member attached to the outer tubular member, the coil member generating an electromagnetic force through energization thereto;
a magnet member attached to the inner axial member, the magnet member being subjected to the electromagnetic force so as to exert a driving force in an axial direction of the inner axial member between the inner axial member and the outer tubular member;
a first support section provided at the outer tubular member, the first support section including a first axial support face and a second axial support face which are spaced apart from each other in the axial direction, and the coil member is clamped by the first axial support face and the second axial support face in the axial direction so as to securely support the coil member;
an annular member formed of a synthetic resin being housed within the outer tubular member, the annular member including a power feed terminal to the coil member; and
a second support section provided at the outer tubular member, the second support section including a third axial support face and a fourth axial support face which are spaced apart from each other in the axial direction, and the annular member is clamped by the third axial support face and the fourth axial support face in the axial direction so as to securely support the annular member, wherein
the second support section is positioned on an outer peripheral side of the first support section so that the second support section is provided in such a parallel structure that a clamping force by the first support section is not exerted on the second support section.

US Pat. No. 10,396,621

ELECTRIC COMPRESSOR

KABUSHIKI KAISHA TOYOTA J...

1. An electric compressor comprising:a compression mechanism that compresses refrigerant;
an electric motor that drives the compression mechanism;
a drive circuit that drives the electric motor;
a housing that defines therein a motor chamber in which the electric motor is accommodated;
a cover that is attached to the housing, the cover being configured to cooperate with the housing to form a drive circuit chamber in which the drive circuit is accommodated;
a rotary shaft through which rotation of the electric motor is transmitted to the compression mechanism;
a bearing that rotatably supports the rotary shaft; and
a relay terminal portion that provides electrical connection between a wire of the drive circuit and a wire of the electric motor, wherein
the housing includes a partition wall that separates the motor chamber and the drive circuit chamber from each other,
the relay terminal portion is disposed between the partition wall and the rotary shaft,
the housing includes a boss that extends from the partition wall toward the electric motor,
the bearing is disposed between the boss and the rotary shaft,
the relay terminal portion is disposed between the partition wall and the bearing, and
the relay terminal portion is disposed in an accommodating space that is defined by the partition wall, the rotary shaft, the bearing, and the boss.

US Pat. No. 10,396,620

ROTATING ELECTRICAL MACHINE CONNECTION COMPONENT AND METHOD OF MANUFACTURING THE SAME

Hitachi Metals, Ltd., To...

1. A rotating electrical machine connection component, which is used to supply multi-phase currents having different phases to windings of a rotating electrical machine that comprises a rotor and a stator comprising an annular core surrounding the rotor and having the windings wound thereon, the rotating electrical machine connection component comprising:a plurality of linear conductors that respectively correspond to the different phases and are provided such that one end is connected to the winding and the other end is connected to a terminal block; and
a first molded resin portion that covers portions of the plurality of linear conductors and connects the plurality of linear conductors to each other,
wherein each of the plurality of linear conductors comprises a first straight portion extending out of the first molded resin portion in a direction parallel to a rotational axis of the rotor and connected to the terminal block, a second straight portion extending out of the first molded resin portion in a different direction from the first straight portion and a bent portion bent between the first and second straight portions, and of each of the plurality of linear conductors, a part of the first straight portion, the bend portion and a part of the second straight portion are covered by the first molded resin portion, and
wherein the first molded resin portion comprises a coupling portion for coupling the plurality of linear conductors, and a plurality of protruding portions protruding from the coupling portion respectively along the second straight portions of the plurality of linear conductors.

US Pat. No. 10,396,619

ELECTRIC MOTOR

Daikin Industries, Ltd., ...

1. An electric motor configured to be oppositely spaced from a plate electrically grounded in an axial direction extending along an axis of rotation, said electric motor comprising:a rotor arranged to rotate around said axis of rotation;
a stator located at a side adjacent to said axis of rotation with respect to said rotor, said stator including
teeth facing said rotor with an air gap formed therebetween and having conductivity,
a back yoke coupling ends of said teeth at the side adjacent to said axis of rotation to each other, said back yoke having a tubular shape and having conductivity, and
windings wound around said teeth;
a shaft extending along said axis of rotation and passing through said back yoke to be fixed to one of said stator and said rotor;
at least one bearing including
an inner ring fixed to said shaft and having conductivity, and
an outer ring coupled to said inner ring so as to rotate relative thereto and having conductivity; and
a bearing housing extending in said axial direction
so as not to be located in a first area at a side adjacent to said plate with respect to an end of said stator, and
so as to be located in a second area opposite said plate with respect to said end along said axial direction, said end being at said side,
said bearing housing being fixed to said outer ring of said bearing and to an other of said stator and said rotor.

US Pat. No. 10,396,618

ROTATING ELECTRIC MACHINE WITH SHAFT-SEAL DEVICES HAVING PARTITION PLATE

MITSUBISHI ELECTRIC CORPO...

1. A rotating electric machine with shaft-seal devices mounted thereon, comprising:a rotor having a shaft;
a stator disposed in a circumferential surrounding of the rotor;
a sealing ring having a plurality of through holes formed therein, being disposed in a circumferential surrounding of the shaft;
a gland seal having an oil supply opening therein, and having inner walls enclosing a circumferential surrounding of the sealing ring;
a partition plate disposed between the sealing ring and the gland seal; and
a housing on which the gland seal is fixed, for accommodating the rotor and the stator,
wherein the partition plate is fixed to at least one of the inner walls of the gland seal and is directly opposed to the oil supply opening formed in the gland seal,
wherein channels are formed along respective facing inner circumferential walls of the gland seal, and the partition plate is inserted into the channels.

US Pat. No. 10,396,617

ELECTRONICALLY COMMUTATED DIRECT CURRENT MOTOR WITH INDIVIDUAL TERMINALS AND PLASTIC PARTS

1. An electronically commutated direct current motor comprising:a housing;
a circuit board;
a housing cover attached to the housing for holding the circuit board within the housing;
a bearing shield attached to the housing;
a rotor having an elongated shaft and a permanent magnet; and
a stator including
a pole stack made up of a plurality of elongated single poles each single pole made up of a plurality of stacked metal sheets, each single pole having first and second ends,
a first terminal insulation having slot linings, each slot lining being mechanically connected to the first end of each of the plurality of single poles and a second terminal insulation having slot linings, each slot lining being mechanically connected to the second end of each of the plurality of single poles to form a pole chain with the first and second terminal insulations being fastened to the housing, and
terminal coils, each terminal coil being wound around a different select number of the plurality of single poles and the slot linings of the first and second terminal insulations associated with each single pole,
the first terminal insulation of each single pole having first and second contact elements for each terminal coil,
additional contact elements connected to said first contact elements and to the circuit board, the number of additional contact elements being less than the number of first contact elements, wherein the housing, the bearing shield and the housing cover are pre-manufactured, the housing having an essential cylindrical shell-shaped outer contour and the housing, the bearing shield and the housing cover being made of a plastic material.

US Pat. No. 10,396,616

ELECTRIC MOTOR AND SWITCHING UNIT THEREFOR

1. An electric motor, comprising:a stator having a stator winding with coils;
a switching unit having a number of contact wires, an annular frame part, and phase connections with insulation-displacement contacts;
said contact wires interconnecting said coils of said stator winding and said annular frame part;
said contact wires disposed to form an interconnection ring for coil ends of said stator winding, said contact wires having wire ends connected to said insulation-displacement contacts;
each of said insulation-displacement contacts having two insulation-displacement limbs for connecting at least two of said wire ends and said two insulation-displacement limbs are spaced apart from one another so as to form an insulation-displacement slot and have limb-side blade edges;
said annular frame part of said switching unit having a number of insertion pockets, corresponding to a number of said insulation-displacement contacts, for receiving said insulation-displacement contacts;
said insulation-displacement slot and/or said insulation-displacement limbs of at least one of said insulation-displacement contacts is configured such that said at least two wire ends, which are introduced into said insulation-displacement slot one behind another in a slot longitudinal direction and are guided along said limb-side blade edges, are in reliable clamping contact;
said insulation-displacement slot of at least one of said insulation-displacement contacts having, in the slot longitudinal direction, a limb free end-side slot opening and a first slot region adjoining the limb free end-side slot opening, the first slot region, in the slot longitudinal direction, transitioning into a widened second slot region, and said widened second slot region transitioning into a third clamping and cutting region being narrower than said widened second slot region;
said widened second slot region receiving a first wire end cut first in said insulation-displacement slot, as soon as a second wire end enters into said first slot region adjoining the limb free end-side slot opening, said first and second wire ends, after being cut by said first slot region, residing in the third clamping and cutting region where the clamping contact is formed between the first and second wire ends and said third clamping and cutting region; and
said insulation-displacement limbs disposed opposite one another at said limb-side blade edges.

US Pat. No. 10,396,615

ELECTRIC MACHINE STATOR LAMINATION WITH DUAL PHASE MAGNETIC MATERIAL

GENERAL ELECTRIC COMPANY,...

1. A stator lamination for an electric machine comprising:a circular lamination having an annular bore therethrough;
a plurality of winding slots disposed around the annular bore; and
a first and a second plurality of slot closures disposed adjacent to the plurality of winding slots, the first and second plurality of slot closures alternating around the annular bore;
the circular lamination being formed of a multi-magnetic phase material having a first magnetic permeability, a second magnetic permeability, and a third magnetic permeability;
the third magnetic permeability being less than the second magnetic permeability and the second magnetic permeability being less than the first magnetic permeability;
the first plurality of slot closures having the second magnetic permeability, the second plurality of slot closures having the third magnetic permeability, and the circular lamination having the first magnetic permeability.

US Pat. No. 10,396,614

ROTATING ELECTRICAL MACHINE STATOR

Mitsubishi Electric Corpo...

1. A stator of a rotating electrical machine comprising:a plurality of stator cores which have a plurality of slots in a circumferential direction and are annularly arranged;
a stator winding attached to the slots of said stator cores; and
a shell that retains said stator core,
said stator winding being composed of a plurality of coils, each coil being formed by winding a conductive wire which is insulation-covered and continuous with no connection part;
each coil being provided with terminal wires which are each protruded toward one side of coil end from an inner circumferential end and an outer circumferential end;
end parts on one side of the terminal wires of the plurality of coils, being connected;
the coil being arranged in plural layers in each slot; and
the terminal wires being arranged at a predetermined angle pitch over the whole circumference of said stator,
wherein ends of the terminal wires protruded from an innermost circumferential side and an outermost circumferential side of each slot are oriented in an axial direction of said stator, and
wherein side surfaces, facing a radial direction of the said stator, of the ends of the terminal wires protruded from an innermost circumferential side and an outermost circumferential side of each slot in the axial direction are brought into contact with each other above the coil end of said stator winding to form a joint part, protruding in the axial direction, over the whole circumference of the said stator, and
wherein the joint part is joined by welding.

US Pat. No. 10,396,613

ARMATURE, ROTATING ELECTRICAL DEVICE, AND ARMATURE MANUFACTURING METHOD

DENSO CORPORATION, Kariy...

1. An armature comprising:a plurality of core configuration members that configure an armature core and are segmented from each other on progression along the circumferential direction of the armature core;
a plurality of insulators that each include a plurality of insulating portions mounted to the core configuration members and a coupling portion that couples the plurality of insulating portions together;
a plurality of windings that respectively include a plurality of winding portions, wound on the core configuration members with the insulating portions interposed between the winding portions and the core configuration members, and a crossing wire that connects the plurality of winding portions together;
a fitting portion, having a protrusion-shaped engagement portion and an indented-shaped engaged portion, that couples together adjacent core configuration members among the plurality of core configuration members; and
an exposing portion that is configured as a first cutaway portion at the insulator in a position corresponding to the engagement portion of the fitting portion and a second cutaway portion at the insulator in a position corresponding to the engaged portion of the fitting portion, and that exposes the fitting portion through the first cutaway portion and the second cutaway portion combined together, which form a shape corresponding to the cross-sectional profile of a pressing jig when viewed along the axial direction of the armature core, the fitting portion being configured to be pressed through the first cutaway portion and the second cutaway portion combined together by the pressing jig in the axial direction, such that the engagement portion and the engaged portion engage together, the exposing portion and the fitting portion being located at a radial direction inside of the winding portion of the respective windings and outside of the coupling portion of the respective insulators, the armature being used for an outer rotor type motor,
wherein guide projections project from a top face of connecting portions of the insulators, which connect the insulating portions and the coupling portions, and
wherein end portions of the crossing wires are positioned above the top face of the connecting portions so as to pass between and not above pairs of fitting portions, which are provided at both sides of the core configuration members, by being guided by the guide projections.

US Pat. No. 10,396,612

PERMANENT MAGNET TYPE CONCENTRATED WINDING MOTOR

Mitsubishi Electric Corpo...

1. A permanent magnet type concentrated winding motor system, comprising:a rotor has magnetic poles that are configured to have magnetized permanent magnets, and the number of the magnetic poles is M,
a stator has teeth around which coils are wound in a concentrated manner and which are circumferentially arranged at equal intervals, and the number of the teeth is N,
the number of the poles M is equal to (18±4)n, and the number of the teeth N is equal to 18n (n is an integer and n?1),
an armature winding formed by the coils is configured to have an m number of 3-phase armature windings that form parallel circuits (m is an even number that is 2 or greater, and is a divisor of 2n), and
a 1-phase circuit of each of the 3-phase armature windings that form the parallel circuits is configured to have a 6n/m number of coils connected in series with each other,
wherein each of the m number of the 3-phase armature windings that form the parallel circuits is fed with electrical power from different inverters individually or from a common inverter,
and wherein
the number of the poles M is equal to 14n, and
when, out of the 18n number of teeth of the stator, coils that are wound around the eighteen teeth consecutively from an 18(n?1)+1-th tooth to an 18(n?1)+18-th tooth are set to be coils U11, V11, V12, W11, U12, U13, V13, W12, W13, U21, V21, V22, W21, U22, U23, V23, W22 and W23, respectively,
the coils U11, U12 and U13 are connected in series with each other, and configure a first U-phase winding which is one U-phase of the 3-phase armature winding that forms the parallel circuits,
the coils U21, U22 and U23 are connected in series with each other, and configure a second U-phase winding which is another U-phase of the 3-phase armature winding that forms the parallel circuits,
the coils V11, V12 and V13 are connected in series with each other, and configure a first V-phase winding which is one V-phase of the 3-phase armature winding that forms the parallel circuits,
the coils V21, V22 and V23 are connected in series with each other, and configure a second V-phase winding which is another V-phase of the 3-phase armature winding that forms the parallel circuits,
the coils W11, W12 and W13 are connected in series with each other, and configure a first W-phase winding which is one W-phase of the 3-phase armature winding that forms the parallel circuits,
the coils W21, W22 and W23 are connected in series with each other, and configure a second W-phase winding which is another W-phase of the 3-phase armature winding that forms the parallel circuits,
the first U-phase winding and the second U-phase winding are connected in parallel with each other,
the first V-phase winding and the second V-phase winding are connected in parallel with each other, and
the first W-phase winding and the second W-phase winding are connected in parallel with each other.

US Pat. No. 10,396,611

ROTOR OF ROTARY MACHINE

Mitsubishi Electric Corpo...

1. A rotor of a rotary machine comprising:a shaft;
a rotor core fixed to the shaft;
a ring shaped fixing member press-fit and fixed to the shaft so as to limit a position of the rotor core in a shaft axial direction; and
an end plate fixed to an outer peripheral side of the fixing member so as to limit a position of a magnet, embedded in the rotor core, in the shaft axial direction,
a value of a coefficient of linear expansion of the fixing member being an intermediate value between a coefficient of linear expansion of the shaft and a coefficient of linear expansion of the end plate, and influences of a difference in thermal expansion between the shaft and the end plate being lessened by the fixing member;
wherein the fixing member is made of a thin metal material and has substantially a U-shaped cross section;
wherein the U-shaped cross section includes a first portion extending axially, a second portion extending radially outward from the first portion and a third portion extending axially from an radially outermost portion of the second portion.

US Pat. No. 10,396,610

LAMINATED CORE ARRANGEMENT AND ELECTRIC MACHINE WITH SUCH A LAMINATED CORE ARRANGEMENT

1. A method of manufacturing a laminated core arrangement for an electric machine, comprising:providing a laminated core including at least two part cores arranged in an axial direction, with each of the part cores having a plurality of polygonal individual sheets and a plurality of round individual sheets disposed between the part cores, and the round individual sheets having a diameter which is less than or equal to an inner circle of the polygonal individual sheets and thereby forming indentations provided on a radially outer surface of the laminated core between the part cores and representing transitional areas between the part cores;
bandaging permanently-excited magnets with a glass-fiber and disposing them around a circumference of the laminated core, so that the magnets adjacent to each of the round individual sheets touch each other and radially outwardly cover the individual sheets disposed between the part cores and the indentations provided on the radially outer surface of the laminated core between the part cores and representing transitional areas between the part cores
forming from each of the part cores and at least one of the round individual sheets together a prefabricated module; and
arranging a plurality of the thus formed prefabricated modules behind one another to simplify a manufacture of the laminated core.

US Pat. No. 10,396,609

PERMANENT MAGNET-EMBEDDED TYPE ROTARY ELECTRIC MACHINE WITH ROTOR HAVING SLOTS AND ROTOR SURFACE GROOVES

FUJI ELECTRIC CO., LTD., ...

1. A permanent magnet-embedded type rotary electric machine, comprising:a stator which has a plurality of stator winding slots formed in an inner circumferential surface thereof; and
a rotor which is rotatably supported so that an outer circumferential surface of the rotor can be opposed to the inner circumferential surface of the stator through a gap, the rotor including a first magnetic pole region having one magnetic pole, the first magnetic pole region including
a pair of permanent magnets embedded in the rotor and forming the one magnetic pole, the pair of permanent magnets forming a axisymmetric shape with respect to a symmetry axis passing through a rotation center of the rotor and a center of the magnetic pole,
a pair of magnetic flux short-circuit preventing slits arranged in an axisymmetric manner with respect to the symmetry axis, a slit angle, which is a smallest angle around the rotation center between any two points respectively at the pair of slits, being smaller than a magnet angle, which is an angle around the rotation center between two points respectively at the pair of permanent magnets, the two points of the pair of permanent magnets respectively being farthest points from the rotation center at symmetry positions with respect to the symmetry axis; and
a pair of grooves formed in the outer circumferential surface of the rotor, each groove of the pair of grooves being located at a distance from the other groove of the pair of grooves symmetrically with respect to the symmetry axis, a groove angle, which is a greatest angle around the rotation center between any two points respectively at the pair of groves being smaller than the magnet angle, the groove angle being greater than the slit angle.

US Pat. No. 10,396,608

ROTOR, RELUCTANCE MACHINE AND METHOD FOR MANUFACTURING THE ROTOR

KSB Aktiengesellschaft, ...

1. A rotor for a reluctance machine, comprising:a cylindrical soft-magnetic element; and
a filler material,
wherein
the soft-magnetic element includes a plurality of flux barriers in the form of cutouts arranged circumferentially about a rotational axis of the rotor,
a first portion of the plurality of flux barriers are located in a peripheral region of the rotor and are at least partially filled with the filler material,
a second portion of the plurality of flux barriers are located in an inner region of the rotor and do not include the filler material,
the filler material in the in the first portion of the plurality of flux barriers extends radially outward to an radially outer surface of the rotor, and
at least one of the plurality of flux barriers is subdivided by a web having a first arcuate curved edge facing into a first portion of the at least one of the plurality of flux barriers which extends to the radially outer surface of the rotor.

US Pat. No. 10,396,607

BUS RING UNIT

Suncall Corporation, Kyo...

1. A bus ring unit for electrically connecting pairs of ends of a plurality of stator coils respectively wound around a plurality of teeth of a stator, the pairs of ends appearing on one side in an axial direction of the stator, the bus ring unit comprising:single-phase bus rings for electrically connecting first ends of the pairs of ends of in-phase coils among the stator coils; and
a neutral-point bus ring for electrically connecting second ends of the pairs of ends of the stator coils, wherein
the neutral-point bus ring has a plurality of neutral-point-side rounded regions disposed at intervals in a circumferential direction so as to be positioned on a reference circle coaxial with the stator and positioned in a first axial position, and neutral-point-side connecting regions that are positioned in the first axial position and connect a circumferential edge of one neutral-point-side rounded region and an opposing circumferential edge of adjacent another neutral-point-side rounded region,
the neutral-point-side connecting regions have a pair of neutral-point-side projections that extend radially outward from the circumferential edge of one neutral-point-side rounded region and the opposing circumferential edge of adjacent another neutral-point-side rounded region and are connected to each other at distal ends,
the single-phase bus rings have a plurality of single-phase-side rounded regions disposed at intervals in the circumferential direction so as to be positioned on circles that are coaxial with the stator and have smaller diameters than the reference circle, and single-phase-side connecting regions for connecting a circumferential edge of one single-phase-side rounded region to an opposing circumferential edge of adjacent another single-phase-side rounded region,
the single-phase-side rounded regions have a single-phase-side reference part positioned in the first axial position and a single-phase-side edge part that includes the circumferential edge, wherein the single-phase-side edge part is displaced in the circumferential direction and in the axial direction relative to the single-phase-side reference part such that the circumferential edge is displaced in the circumferential direction relative to the neutral-point-side connecting regions and positioned in a second axial position that is farther from the stator than the first axial position is in the axial direction,
the single-phase-side connecting regions have a pair of single-phase-side projections, wherein each of the pair of single-phase-side projections is positioned in the second axial position, extend radially outward from the circumferential edge of one single-phase-side rounded region and the opposing circumferential edge of adjacent another single-phase-side rounded region beyond portions of the neutral-point-side rounded regions positioned in the first axial position, and are connected to each other at distal ends, and
the single-phase-side rounded regions have a single-phase-side transition part positioned between the single-phase-side reference part and the single-phase-side edge part, and the single-phase-side transition part is inclined so as to be positioned from the first axial position to the second axial position as it extends from the single-phase-side reference part toward the single-phase-side edge part in the circumferential direction.

US Pat. No. 10,396,606

SYSTEMS AND METHODS FOR WIRELESSLY POWERING OR COMMUNICATING WITH STERILE-PACKED DEVICES

DePuy Synthes Products, I...

1. A system, comprising:an electronic device having a wireless power receiver and a sensor configured to detect a position or orientation of the electronic device;
a sterile container in which the electronic device is disposed such that the sterile device is completely surrounded by the sterile container; and
a base station having a wireless power transmitter, the wireless power transmitter being configured to transfer power through the sterile container to the wireless power receiver of the electronic device;
wherein the electronic device is configured to automatically initiate wireless communications with the base station for receiving medical data from the base station upon receiving wireless power from the base station.

US Pat. No. 10,396,605

WIRELESS POWER TRANSMITTER AND RECEIVER

LG ELECTRONICS INC., Seo...

1. A method of wireless power transfer, by a power transfer transferring power to a plurality of power receivers, the method comprising:a selection phase for detecting each of the plurality of power receivers and transmitting a digital ping to the each of the plurality of power receivers;
an introduction phase for receiving a request from the each of the plurality of power receivers for a free slot,
wherein the each of the plurality of power receivers is allocated free slots at a specific location,
wherein free slots allocated to different power receivers do not overlap with each other;
a configuration phase for providing a series of locked slots to the each of the plurality of power receivers;
a negotiation phase for receiving at least one negotiation data packet from the each of the plurality of power receivers using the series of locked slots;
a power transfer phase for transferring power to the each of the plurality of power receivers; and
a renegotiation phase for returning to the negotiation phase,
wherein the renegotiation phase further includes receiving a predetermined packet for returning to the negotiation phase from at least one power receiver among the plurality of power receivers,
wherein the predetermined packet includes:
information for a slot number allocated to the at least one power receiver, and/or
predetermined code information indicating a charge completion of the at least one power receiver.

US Pat. No. 10,396,604

SYSTEMS AND METHODS FOR OPERATING A PLURALITY OF ANTENNAS OF A WIRELESS POWER TRANSMITTER

ENERGOUS CORPORATION, Sa...

1. A method for transmitting wireless power, comprising:at a wireless power transmitter having a plurality of power-transmission antennas:
concurrently transmitting, via at least a subset of the power-transmission antennas, respective transmission waves to each of a plurality of wireless power receivers;
receiving a communication from an additional wireless power receiver;
determining whether the plurality of antennas includes a sufficient number of antennas to concurrently power the plurality of wireless power receivers and the additional wireless power receiver;
in accordance with a determination that the plurality of power-transmission antennas does not include a sufficient number of antennas to concurrently power the plurality of wireless power receivers and the additional wireless power receiver, switching from a concurrent power mode to a time division multiplexing mode to transmit respective transmission waves to the additional wireless power receiver and to each of the plurality of wireless power receivers;
while operating in the time division multiplexing mode:
determining whether at least one wireless power receiver of the plurality of wireless power receivers and the additional wireless power receiver is receiving less than a predetermined amount of power; and
in accordance with determining that the at least one wireless power receiver is receiving less than the predetermined amount of power, ceasing to transmit respective transmission waves to the at least one wireless power receiver; and
in accordance with a determination that the plurality of power-transmission antennas includes a sufficient number of antennas to concurrently power the plurality of wireless power receivers and the additional wireless power receiver, concurrently transmitting respective transmission waves to the additional wireless power receiver and to each of the plurality of wireless power receivers.

US Pat. No. 10,396,603

POWER RECEIVING APPARATUS THAT WIRELESSLY RECEIVES POWER, CONTROL METHOD OF THE SAME, AND STORAGE MEDIUM

Canon Kabushiki Kaisha, ...

1. A power receiving apparatus that is capable of communicating with a power transmitting apparatus with wireless power transmission capability, the power receiving apparatus comprising:a battery;
a power receiving unit configured to wirelessly receive power from a power transmitting apparatus;
a communication unit configured to communicate with the power transmitting apparatus; and
a control unit configured to control a first mode for transmitting a signal for notifying surrounding apparatuses of an own existence using the communication unit and for receiving a connection request transmitted in response to the signal, and a second mode for detecting existence of an external apparatus by receiving the signal transmitted for notifying surrounding apparatuses of own existence from the external apparatus and for transmitting a connection request to the external apparatus,
wherein the control unit controls the power receiving apparatus in the first mode in a case where the control unit detects, through the power receiving unit, power induced by an electromagnetic wave emitted from the power transmitting apparatus for detecting an other party to which the power transmitting apparatus provides power in a state where the control unit controls the power receiving apparatus in the second mode.

US Pat. No. 10,396,602

WIRELESS POWER TRANSMISSION SYSTEM

Ossia Inc., Bellevue, WA...

1. A wireless power transmitter, comprising:a plurality of antenna elements; and
at least one controller; and
the plurality of antenna elements and the at least one controller are configured to receive multipath calibration signals from a plurality of devices to be charged;
the at least one controller is further configured to adaptively adjust phases of a power transmission from the plurality of antenna elements, wherein the phases for the plurality of antenna elements are determined based on the received multipath calibration signals, wherein the determined phases for the plurality of antenna elements do not use location signals indicating locations of the plurality of devices to be charged, wherein the determined phases do not require a line of sight between the antenna elements and the plurality of devices to be charged, wherein
a frequency of the power transmission is greater than 100 MHz, and wherein the at least one controller prioritizes the plurality of devices for power transmission, wherein a higher priority device is charged faster than a lower priority device, and
wherein the phases for the plurality of antenna elements are determined by a complex conjugate of each of the multipath calibration signals received by the respective antenna element.

US Pat. No. 10,396,601

PIECEWISE RF POWER SYSTEMS AND METHODS FOR SUPPLYING PRE-DISTORTED RF BIAS VOLTAGE SIGNALS TO AN ELECTRODE IN A PROCESSING CHAMBER

MKS Instruments, Inc., A...

1. A radio frequency power system comprising:a plurality of bias modules configured to generate respectively a plurality of direct current (DC) bias voltages;
a switch configured to (i) receive current from the plurality of bias modules, and (ii) control flow of the current from the plurality of bias modules to generate a radio frequency bias voltage signal;
a first matching network configured to (i) receive the radio frequency bias voltage signal, and (ii) based on the radio frequency bias voltage signal, supply at least a portion of a radio frequency output voltage signal to an electrode of a substrate support in a processing chamber; and
a control module connected to the switch and configured to control a state of the switch based on the radio frequency output voltage signal to shape a waveform of the radio frequency bias voltage signal.

US Pat. No. 10,396,599

WIRELESS POWER TRANSMISSION APPARATUS AND WIRELESS POWER TRANSMISSION METHOD

LG INNOTEK CO., LTD., Se...

1. A wireless power transmission method of a wireless power transmission apparatus having a plurality of power transmission schemes, the method comprising:a first detection step comprising transmitting a first detection signal for a first power transmission scheme and detecting a first response signal corresponding to the first detection signal during a first predetermined time period;
a second detection step comprising transmitting a second detection signal for a second power transmission scheme and detecting a second response signal corresponding to the second detection signal during a second predetermined time period;
a determination step determining a power transmission scheme of an wireless power reception apparatus between the first power transmission scheme and the second power transmission scheme; and
a power transmission step transmitting a power to the wireless power reception apparatus through the power transmission scheme.

US Pat. No. 10,396,598

METHODS AND APPARATUS FOR WIRELESS POWER AND COMMUNICATION TRANSFER

QUALCOMM Incorporated, S...

1. An apparatus for receiving wireless power, comprising:a power receiver circuit configured to:
receive power from a magnetic field generated by a power transmitter, and
provide power to a load;
at least one receiver component operating with the power receiver circuit based, at least in part, on at least one operation parameter;
at least one sensor configured to measure at least one of a current and a voltage at the load;
a controller configured to:
estimate a first voltage induced by the magnetic field at the power receiver circuit based on the at least one measured current and measured voltage and the at least one operation parameter of the at least one receiver component, the power receiver circuit operating with a first amount of power loss when the first voltage is induced, and
estimate a second voltage based on the at least one operation parameter of the at least one receiver component, the second voltage corresponding to a voltage at which the power receiver circuit operates with an efficiency level that exceeds a threshold efficiency and with a second amount of power loss that is less than the first amount of power loss; and
a communication circuit configured to communicate the first voltage and the second voltage to the power transmitter and cause the power transmitter to operate based on the second voltage.

US Pat. No. 10,396,596

TRANSMITTER FOR INDUCTIVE POWER TRANSFER SYSTEMS

Apple Inc., Cupertino, C...

1. An inductive power transmitter comprising:a plurality of transmitting coils configured to generate an alternating magnetic field, wherein each transmitting coil in the plurality of transmitting coils partially overlaps at least one other transmitting coil in the plurality of transmitting coils and wherein the transmitting coils in the plurality of transmitting coils are spatially offset in at least two dimensions with respect to each other; and
transmitting circuitry coupled to each of the transmitting coils in the plurality of transmitting coils, wherein the transmitting circuitry is configured to drive the plurality of transmitting coils with a phase shift between adjacent transmitting coils in the plurality of transmitting coils, and wherein the alternating magnetic field generated by the plurality of transmitting coils travels along a surface of the inductive power transmitter.

US Pat. No. 10,396,595

INDUCTIVE WIRELESS POWER TRANSFER WITH TIME SLOTTED COMMUNICATION

KONINKLIJKE PHILIPS N.V.,...

1. A method of allocating communication time slots contained in repeating frames for communication between an inductive wireless power transmitter and at least two inductive wireless power receivers, wherein the power transmitter and the power receivers are arranged to communicate by means of modulation and demodulation of an inductive power signal, the method comprising the steps of:sending, by the transmitter, synchronization messages marking the start of the communication time slots and the frames,
sending, by the transmitter, before the start of an unallocated communication time slot, a message indicating that the unallocated communication time slot is unallocated,
sending, by a first receiver, during the unallocated communication time slot, an allocation request message to the transmitter to request allocation of the unallocated communication time slot to the first receiver,
sending, by the transmitter, after the end of the unallocated communication time slot, a reception status message indicating reception success of a message during the unallocated communication time slot,
further sending, by the transmitter, in case of successful reception of the allocation request message, a grant message indicating that the requested allocation is granted.

US Pat. No. 10,396,594

SINGLE PHASE POWER FACTOR CORRECTION SYSTEM AND METHOD

1. A single phase grid correction system for correcting the power factor of an electrical power grid, said grid having an electricity supply, at least one transmission line connecting said supply to a plurality of distribution nodes, a number of feeder lines radiating from each node, a plurality of consumers connected to each feeder line, each consumer having individual premises with a single phase consumer electrical panel therein for receiving power from said feeder line and each consumer having an electrical meter associated with the premises, said system comprising:a plurality of capacitor banks corresponding to said plurality of consumers, each of said capacitor banks being connected to said panel of one of said plurality of consumers, each of said capacitor banks being located at said individual premises and downstream from said electrical meter, wherein said electrical meter is configured to measure electrical power consumption by the corresponding consumer;
a plurality of remotely controlled capacitor bank switches, each remotely controlled capacitor bank switch being connected to one of said capacitor banks for connecting or disconnecting said capacitor bank from said corresponding feeder line for reactive power compensation, said remotely controlled capacitor bank switch including a receiver for receiving instructions for connecting said capacitor bank to said corresponding feeder line or disconnecting said capacitor bank from said corresponding feeder line, and for operating said switch according to said instructions, said capacitor bank and remotely controlled capacitor bank switch being housed indoors of said individual premises proximate to or within said electrical panel; and
a utility operator controller in communication with said receivers, said utility operator controller adapted to determine whether a power factor correction is required to said electrical power grid upstream from said distribution nodes and if said power factor correction is required, said utility operator controller being configured to transmit said instructions to said receiver of at least two of said remotely controlled capacitor bank switches corresponding to at least two of said distribution nodes for reactive power compensation corresponding to said power factor correction;
wherein said utility operator controller includes a computer programmed to compare circumstances existing at the time when said switches are to be operated with circumstances at prior times and for locating similar circumstances which existed at one or more prior times, and for determining a previous power factor correction which was provided at such prior time or times and for then using such information to determine the number and distribution of capacitor banks which if connected to said grid would supply reactive power sufficient to correct the power factor of said grid to a selected value, and for then sending instructions to switch on the required number of capacitor banks at the locations as determined by said computer.

US Pat. No. 10,396,593

RAPID SHUTDOWN OF PHOTOVOLTAIC SYSTEMS

SUNPOWER CORPORATION, Sa...

1. A photovoltaic system comprising:a photovoltaic panel comprising a first group of solar cells, the photovoltaic panel being configured to generate a panel voltage and a panel current; and
a control circuit configured to detect initiation of a rapid shutdown of the photovoltaic system by detecting a shutdown of a photovoltaic inverter, to lower the panel voltage below a safety level in response to detecting initiation of the rapid shutdown by switching out the first group solar cells, to monitor a line that connects the panel voltage to the photovoltaic inverter for a release trigger signal indicating resumption of normal operation, and to switch back the first group of solar cells to restore the panel voltage back to a normal operating level in response to detecting the release trigger signal on the line.

US Pat. No. 10,396,592

SYSTEM AND METHOD FOR ESTIMATING AND PROVIDING DISPATCHABLE OPERATING RESERVE ENERGY CAPACITY THROUGH USE OF ACTIVE LOAD MANAGEMENT

CAUSAM ENERGY, INC., Ral...

1. A system for managing power on an electric power grid, comprising:at least one power consuming device, at least one controllable device, and at least one client device constructed and configured in network communication;
wherein the at least one controllable device is operably coupled to the at least one power consuming device;
wherein the at least one controllable device is operable to control a power flow from the electric power grid to the at least one power consuming device responsive to power control instructions from the at least one client device;
wherein the at least one power consuming device has an actual value of power reduced based on revenue grade metrology, and confirmed by measurement and verification; and
wherein the actual value of power reduced is a curtailment value as supply equivalence and provides operating reserve for the electric power grid.

US Pat. No. 10,396,591

STANDBY CONTROL CIRCUIT AND OPERATING METHOD THEREOF, PLAYING APPARATUS

BOE TECHNOLOGY GROUP CO.,...

1. A playing apparatus, comprising a micro control unit, a controller receiving external electric energy, a standby power supply, the micro control unit connected to the standby power supply, and a main power supply circuit connected with an external alternating current power supply unit, whereinthe controller is configured to transmit a power-on signal and a standby signal;
the main power supply circuit is further connected to the micro control unit,
the micro control unit is configured to control the playing apparatus to enter into a power-on state according to the power-on signal transmuted by the controller, and to control the playing apparatus to enter into a standby state according to the standby signal transmitted by the controller;
the main power supply circuit is configured to turn on or turn off a main power supply for supplying power to the playing apparatus, under the control of the micro control unit, so as to enable the playing apparatus to footer into the power-on state or the standby state,
the controller is further configured to stop supplying power to the standby power supply under the condition that the playing apparatus is in the standby state;
the standby power supply and the micro control unit are connected between the controller and the main power supply circuit and are not connected with the external alternating current power supply unit, the standby power supply is configured to supply power to the micro control unit of the playing apparatus under the condition that the playing apparatus is in the power-on state and stop supplying power to the micro control unit of the playing apparatus under the condition that the playing apparatus is in the standby state,
wherein the controller comprises a first wireless power supplying unit, and the standby power supply comprises a first wireless power receiving unit; and
the first wireless power supplying unit is configured to supply power to the first wireless power receiving unit by wireless transmission under the condition that the playing apparatus is in the power-on state.

US Pat. No. 10,396,590

VARIABLE POWER ENERGY HARVESTING SYSTEM

TRIUNE SYSTEMS, LLC, Pla...

1. A single-chip system for harvesting energy from a variable output energy harvesting apparatus comprising:energy harvesting apparatus for providing energy input;
a switched mode power supply operably coupled to receive the input of the energy harvesting apparatus, and for providing a system output power signal; and
a control loop having control logic for dynamically adjusting energy harvesting apparatus input to the switched mode power supply, thereby regulating the system output power signal, wherein the control loop further comprises a maximum power point tracking (MPPT) mode and a mode that is configured to exceed an MPPT mode voltage level.

US Pat. No. 10,396,589

STORAGE-BATTERY CONTROL SYSTEM

PANASONIC INTELLECTUAL PR...

1. A storage-battery control system comprising:a battery module constituting a storage battery unit configured to output a predetermined high voltage value;
a controller;
an insulating communication unit configured to couple the battery module and the controller; and
a power supply line,
wherein the battery module includes a secondary battery for outputting a module voltage value, a module-side voltage converter for converting a voltage value of the secondary battery into a module-side predetermined operation voltage value, and a module-side circuit element that operates at the module-side predetermined operation voltage value,
the controller includes a low voltage power supply unit, a controller-side voltage converter for converting a voltage of the low voltage power supply unit into a controller-side predetermined operation voltage value, and a controller-side insulating circuit having a floating reference potential point insulated from a controller reference potential point for the low voltage power supply unit to couple the controller and the insulating communication unit,
the power supply line supplies electric power output from the controller-side voltage converter to the battery module,
an output side of the module-side voltage converter and an output side of the controller-side voltage converter are coupled to each other via a predetermined backflow preventing device, and the module-side circuit element that operates at the module-side predetermined operation voltage value is supplied with electric power from a coupling point, and
the predetermined backflow preventing device includes a module-side rectifying device having an anode coupled to the output side of the module-side voltage converter and a cathode coupled to the coupling point, and a controller-side rectifying device having an anode coupled to the output side of the controller-side voltage converter and a cathode coupled to the coupling point.

US Pat. No. 10,396,588

RECEIVER FOR WIRELESS POWER RECEPTION HAVING A BACKUP BATTERY

ENERGOUS CORPORATION, Sa...

1. A method for wireless power charging, the method comprising:when a receiver that is embedded within an electronic device is within a threshold distance from a transmitter:
receiving, by the receiver, a plurality of wireless power transmission waves transmitted by the transmitter, wherein each wireless power transmission wave of the plurality of wireless power transmission waves constructively interferes with at least one other wireless power transmission wave of the plurality of wireless power transmission waves at the receiver;
converting, by the receiver, the plurality of wireless power transmission waves into usable electricity; and
providing, by the receiver, the usable electricity to a backup battery of the receiver to provide a full or partial charge of the backup battery, wherein the backup battery of the receiver is distinct and separate from a battery of the electronic device; and
when the receiver is not within the threshold distance from the transmitter, and after providing the usable electricity to the backup battery to provide the full or partial charge of the backup battery, draining the backup battery to provide power to the battery of the electronic device.

US Pat. No. 10,396,587

TETHERLESS DEVICE CHARGING FOR CHAINED DEVICES

INTERNATIONAL BUSINESS MA...

1. A method comprising:receiving, at a first chargeable device, a second chargeable device in a second charging position relative to the first charging device;
wherein the first chargeable device comprises first receiving hardware configured to couple to a powered device when in a first charging position relative to the powered device;
wherein the first receiving hardware is further configured to receive an electrical charge from a power supply of the powered device when the first chargeable device is in the first charging position;
wherein the first chargeable device further comprises first charging hardware configured to receive second receiving hardware of the second chargeable device in the second charging position relative to the first chargeable device;
delivering, by way of the first charging hardware of the first chargeable device, an electrical charge from the powered device to the second chargeable device, responsive to the receiving, when the first chargeable device is in the first charging position and the second chargeable device is in the second charging position.

US Pat. No. 10,396,586

WIRELESS CHARGING AND POWERING OF ELECTRONIC DEVICES BY MULTIPURPOSE WIRELESS TRANSMITTING DEVICES

1. An electronic device, comprising:a first antenna for transmitting a transmission signal to a remote communication node;
a second antenna for receiving a radio frequency power signal from a remote wireless charger;
a RF to DC converter connected to second antenna and configured to convert the radio frequency power signal to direct current power;
DC power management circuitry connected to the RF to DC converter and configured to supply the direct current power to at least one of a battery or a device circuit of the electronic device; and
a controller configured to:
monitor an output level of the transmission signal being transmitted to the remote communication node,
determine whether the output level has met or exceeded a predetermined threshold level during a transmission cycle, and
cause the second antenna to be turned off after the output level has met or exceeded the predetermined threshold level during a first predetermined number of transmission cycles.

US Pat. No. 10,396,585

UNIVERSAL INDUCTIVE CHARGING SYSTEM FOR A PORTABLE ELECTRONIC DEVICE

CONTINENTAL AUTOMOTIVE FR...

1. An inductive charging system (1) for a portable electronic device (2) equipped with a receiving coil, the system (1) comprising:a receiving face (3) with a surface for receiving the portable electronic device atop thereon;
at least one induction coil beneath the receiving face for establishing electromagnetic contact with the receiving coil of the portable electronic device when the portable electronic device is positioned atop the receiving face; and
a plurality of series of tabs on the receiving face, each series of tabs positioned along a successively longer and wider perimeter on the receiving face,
the tabs of each series projecting upward from openings in the receiving face in a first position, and the tabs of the plurality of series of tabs, from an innermost one of said series of tabs to an outermost one of said series of tabs, forming tiers of increasing height with respect to the surface of the receiving face (3),
each one of the tabs being movable to retract from the first position, through a corresponding opening of the openings in the receiving face, to a retracted second position, in which the tab does not project from said receiving face, upon an application of a force upon the tab in a downward direction, so that a surface of the portable electronic device when applied against the receiving face of the charging system causes tabs of one or more of said series corresponding to dimensions of the surface of the portable electronic device to retract from the first position to the second position, while tabs of any series outside the dimensions of the surface of the portable electronic device remain in the first position.

US Pat. No. 10,396,584

WIRELESS CHARGING STEERING WHEEL

Visteon Global Technologi...

1. A wireless charging steering wheel, comprising:a center portion pivot-able and attached to a vehicle;
a connection portion coupled to the center portion;
a handle portion that circumscribes the center portion, and is connected to the connecting portion;
a clockspring installed in the center portion, the clockspring electrically connecting an electronic component unit (ECU) of the vehicle with actuators installed on the steering wheel;
an upholstery layer covering the center portion, the connection portion, and the handle portion;
at least one coil wrapped around the handle portion and coupled to the clockspring, and covered by the upholstery layer, wherein the coil is electrically charged to provide wireless charge to a wearable device worn by a driver of the vehicle in a proximity of the steering wheel; and
a processor configured to control whether the coil is in a heating mode, a wireless charging mode, both the heating mode and the wireless charging mode, or neither the heating mode nor the wireless charging mode.

US Pat. No. 10,396,583

WIRELESS MOBILE COMMUNICATION DEVICE HAVING AN ENSURED SHORT RANGE FUNCTIONALITY

NXP B.V., Eindhoven (NL)...

1. A wireless mobile communication device having a short range functionality comprising:an antenna configured to receive and send short range signals;
a circuit configured to provide the short range functionality for the wireless mobile communication device;
a first energy source configured to supply power for the wireless mobile communication device including the circuit;
a second energy source connectable to the circuit to supply power thereto, wherein the second energy source is realized on a passive companion chip of the circuit embedded with Power Integrated Circuit (PIC) technology;
a controller configured to monitor a charge state of the first energy source, and configured to switch off the first energy source and switch on the second energy source if the monitored charge state of the first energy source falls below a threshold;
a detector configured to detect a charge state of the second energy source, wherein the second energy source is configured to be charged via a voltage induced by an external short range signal received by the antenna if the detected charge state of the second energy source is not sufficient to allow at least one short range transaction.

US Pat. No. 10,396,582

MASTER SLAVE CHARGING ARCHITECTURE WITH COMMUNICATION BETWEEN CHARGERS

Maxim Integrated Products...

1. A battery charging system for charging a battery, the battery charging system comprising:a master charger that receives a supply voltage, outputs a master charging current to charge the battery based on the supply voltage, and selectively outputs a slave charger control signal; and
at least one slave charger that receives the slave charger control signal from the master charger, receives the supply voltage, and selectively outputs a slave charging current to charge the battery based on the slave charger control signal and the supply voltage,
wherein the master charger is configured to
(i) selectively adjust the master charging current, and
(ii) based on a state of charge of the battery, cause the at least one slave charger to adjust the slave charging current to a selected one of a plurality of non-zero current values in accordance with the adjustment to the master charging current, wherein, in response to the state of charge of the battery increasing, at least one of the master charging current and the slave charging current is decreased to decrease a total charging current provided to the battery.

US Pat. No. 10,396,581

MANAGING PEAK POWER CONSUMPTION FOR DISTRIBUTED ASSETS USING BATTERY CHARGING SCHEDULES

International Business Ma...

1. A computer-implemented method for generating a battery charging schedule for multiple distributed assets within a hierarchy, the method comprising steps of:segmenting the multiple distributed assets into two or more groups based on (i) energy demand behavior attributed to each of the assets and (ii) one or more user-level constraints, wherein each of the assets is associated with one or more users at a user-level of the hierarchy, and wherein each of the users is associated with one or more organizations at an organization-level of the hierarchy;
determining one or more group-level constraints for each of the two or more groups based on correlating the energy demand behavior across the users of the two or more groups, wherein said correlating comprises performing a multi-variate time series analysis of the energy demand behavior across the users of the two or more groups to identify one or more cross correlations across the user energy demands of the two or more groups;
generating a distinct battery charging schedule for each of the two or more groups based on (i) the one or more determined group-level constraints, (ii) one or more user-level objectives and (iii) one or more organization-level objectives;
outputting the generated battery charging schedule to (i) each of the multiple distributed assets within the hierarchy and (ii) a grid services component associated with a grid;
managing the multiple distributed assets within the hierarchy in accordance with the generated battery charging schedule; and
providing the grid services component access to the battery of each of the multiple distributed assets within the hierarchy, in accordance with the generated battery charging schedule of each of the multiple distributed assets, to manage load balance across the grid;
wherein the steps are carried out by at least one computing device.

US Pat. No. 10,396,580

METHOD AND APPARATUS FOR INTELLIGENT BATTERY CONTROL

1. A power controller for receiving source power from a power source, the power controller comprising:a processor; and
a memory storing instructions that when executed cause the processor to perform operations comprising:
determining when to provide the source power to a battery or a power buffer for charging the battery or for charging the power buffer, the battery having a first set of charging cycles and the power buffer having a second set of charging cycles, the second set of charging cycles being greater than the first set of charging cycles; and
determining when to output power from the battery or output power from the power buffer for powering a power consuming body by predicting a likelihood of whether the power source will be substantially continuous or substantially intermittent, and based on the likelihood predicted of whether the power source will be substantially continuous or substantially intermittent and a type of the power source, determining when to provide the source power to the battery or the power buffer for charging the battery or for charging the power buffer.

US Pat. No. 10,396,579

GAN CIRCUIT DRIVERS FOR GAN CIRCUIT LOADS

NAVITAS SEMICONDUCTOR, IN...

1. An electronic circuit, comprising:a substrate comprising GaN;
a first power supply node on the substrate;
an output node;
a signal node;
an output component on the substrate, wherein the output component is configured to selectively conduct current from the first power supply node to the output node based at least in part on a voltage at the signal node;
a resistive element; and
a capacitor coupled to the signal node through the resistive element, wherein the capacitor is configured to selectively cause the voltage at the signal node to be greater than the voltage of the first power supply node, such that the output component causes the voltage at the output node to be substantially equal to the voltage of the first power supply node.

US Pat. No. 10,396,578

WIRELESS CHARGING SYSTEMS WITH MULTIPLE POWER RECEIVING DEVICES

Apple Inc., Cupertino, C...

1. An electronic device that is configured to receive wireless power from a power transmitting device, the electronic device comprising:a coil that is configured to receive wireless power signals from the power transmitting device;
a display; and
control circuitry configured to:
receive battery charge status information that is associated with a first electronic device that is present on the power transmitting device with the electronic device;
display the battery charge status information on the display; and
in accordance with receiving information indicating placement of a second electronic device on the power transmitting device while the first electronic device is present on the power transmitting device, forgo displaying battery charge status information of the first electronic device on the display.

US Pat. No. 10,396,577

ELECTRONIC APPARATUS WITH ENVIRONMENTAL SENSING FUNCTION

POWERTECH INDUSTRIAL CO.,...

1. An electric apparatus with environmental sensing function, comprising:an electronic device; and
a power cable including a plug and a cable, the cable being connected between the electronic device and the plug, wherein the plug has a sensor module and at least two power pins, and the cable has at least an alternating current power cable and a direct current transmission cable, wherein the alternating current power cable is connected to the two power pins, a portion of the direct current transmission cable is exposed out of the plug, and the direct current transmission cable is directly connected to the sensor module and the electronic device;
wherein the power cable transmits an alternating current to the electronic device through the alternating current power cable, and the electronic device executes a control command according to a sensing signal obtained by the sensor module through the direct current transmission cable.

US Pat. No. 10,396,575

COMBINATION ELECTRONIC CIGARETTE HOLDER AND CHARGER

1. A device for holding and charging an electronic cigarette element, the device comprising:a housing having a planar surface deposited with adhesive configured for coupling to a rear of a mobile computing device, the housing including a rechargeable battery;
a first power port in the housing, the first power port conductively coupled to the rechargeable battery and configured for accepting external power for recharging the rechargeable battery;
a second power port in the housing and conductively coupled to the rechargeable battery, the second power port configured for accepting a cable for connecting the second power port to a power port of the mobile computing device, the second power port further configured for routing power from the rechargeable battery to a battery of the mobile computing device;
a tubular element coupled to the housing, the tubular element having a cavity that is configured to accept an electronic cigarette element; and
a charging terminal located on the housing such that when the electronic cigarette element is inserted in to the tubular element, one end of the electronic cigarette element contacts the charging terminal, and wherein the charging terminal is conductively coupled to the rechargeable battery;
wherein when the electronic cigarette element contacts the charging terminal, the rechargeable battery recharges a battery of the electronic cigarette element.

US Pat. No. 10,396,574

CHARGING LOCKER

Bretford Manufacturing, I...

1. A charging locker, comprising:a frame;
a plurality of modular shelf units, each modular shelf unit having an integral floor, at least one side wall, and a back wall, the plurality of modular shelf units being configured to extend vertically above one another to form a stack of modular shelf units in which the side walls and back walls of the plurality of modular shelf units form nearly contiguous first and second surfaces;
a plurality of tabs on corners of each of the modular shelf units to be received in notches in the frame to support the modular shelf units relative to the frame; and
a plurality of electrical receptacles, at least one electrical receptacle being accessible from within each of the modular shelf units;
wherein the plurality of tabs are formed on two front corners and one rear corner of the each of the modular shelf units; and
wherein a first of the tabs is formed on a first of the front corners to slide into a first forward-facing notch on the frame;
a second of the tabs is formed on a second of the front corners of the modular shelf unit to slide into a second rearward facing notch on the frame; and
a third of the tabs is formed on the rear corner of the modular shelf unit to slide into a third forward facing notch on the frame.

US Pat. No. 10,396,572

POWER TRANSMISSION DEVICE AND POWER TRANSMISSION METHOD

LAPIS Semiconductor Co., ...

1. A power transmission device, comprising:a power reception unit for receiving electric power from outside;
a power transmission line for transmitting the electric power received with the power reception unit to a battery;
a transmission cut-off switch for cutting off the power transmission line;
a transmission control circuit configured to receive a battery state signal indicating a charging state of the battery and switch conduction and on-conduction of the transmission cut-off switch on a basis of the battery state signal;
a cut-off control circuit connected to the power reception unit, and configured to monitor a magnitude of a received voltage transferred from the power reception unit to the power transmission line and to forcibly put the transmission cut-off switch in a non-conductive state when the magnitude of the received voltage is less than a specified value;
a first control switch connected to the transmission control circuit and configured to switch conduction and non-conduction of the transmission cut-off switch; and
a second control switch connected to the cut-off control circuit and configured to switch conduction and non-conduction of the transmission cut-off switch, the second control switch connecting between the transmission cut-off switch and the first control switch.

US Pat. No. 10,396,571

ADAPTIVE OVERVOLTAGE PROTECTION FOR ADAPTIVE POWER ADAPTERS

FAIRCHILD SEMICONDUCTOR C...

13. A method comprising:setting an overvoltage protection threshold at a first level during startup of a power adapter that charges an electronic device;
when an overvoltage condition of the output voltage is not detected, providing an output voltage for charging the electronic device;
detecting the overvoltage condition of the output voltage by comparing the output voltage to the overvoltage protection threshold;
when the overvoltage condition of the output voltage is detected, disabling a drive signal to shut down the output voltage;
detecting, according to a magnitude of a feedback signal, an operating condition of a circuit that controls charging of the electronic device on a secondary side of a transformer of the power adapter; and
setting the overvoltage protection threshold at a second level that is higher than the first level after detecting that the circuit that controls the charging of the electronic device has a normal and proper operating condition.

US Pat. No. 10,396,570

BATTERY MANAGEMENT SYSTEM WITH TEMPERATURE SENSING AND CHARGE MANAGEMENT FOR INDIVIDUAL SERIES-CONNECTED BATTERY CELLS

1. A modular battery management system for controlling and monitoring a plurality of battery cells connected in series in a battery connected to a load, the system comprising:a central controlling microcontroller;
a plurality of cell balancing means and a plurality of slave sensing means, each of the cell balancing means and each of the slave sensing means being in communication with the central controlling microcontroller and operatively connected to an associated one of the battery cells in the plurality of battery cells; and
a plurality of temperature sensors operable to monitor the temperature of each of the plurality of cell balancing means and each of the plurality of slave sensing means to determine if an excessive temperature has been reached;
wherein the cell balancing means and the slave sensing means connected to each associated one of the plurality of battery cells are operable:
(a) to measure a charging state of the associated one of the plurality of battery cells;
(b) when a maximum charging state is reached in at least one of the associated battery cells, to establish a shunt across the at least one of the associated battery cells that has reached the maximum charging state, thereby allowing a continued charging of the remaining battery cells in the plurality of battery cells;
(c) when the shunt is established, to communicate to the central controlling microcontroller a message representing that the maximum charging state has been reached in the at least one of the associated battery cells in which the maximum charging state has been reached;
(d) during discharging of the battery, to inform the central controlling microcontroller when a non-zero minimum voltage has been reached in the associated one of the battery cells so as to cause the central controlling microcontroller to disconnect all the cells in the plurality of cells from the load in order to prevent further discharging of the associated one of the battery cells in which the non-zero minimum voltage has been reached to a cell-ruining voltage below the non-zero minimum voltage; and
(e) shut down charging of the battery when the excessive temperature is reached;
wherein each of said cell balancing means is configured to establish the shunt in response to a signal from the slave sensing means when the respective slave sensing means has measured a maximum voltage across the at least one of the associated battery cells that has reached the maximum charging state; and
wherein each of the plurality of slave sensing means is further operatively connected to the central controlling microcontroller via a common data bus, whereby a continuous charging of the remaining battery cells is controlled by the central controlling microcontroller.

US Pat. No. 10,396,569

BATTERY CELL BALANCING SYSTEM AND METHOD USING LC RESONANCE

LG CHEM, LTD., Seoul (KR...

1. A battery cell balancing system using LC resonance, the system comprising:a drive unit including one or more battery cells which are connected in series, a resonance module which performs a resonance operation, and a switch unit which transfers charges stored in the resonance module to the one or more battery cells; and
a control unit which measures a resonance period of the resonance module in accordance with a voltage state of each of the one or more battery cells, and controls the switch unit to be turned on or off in accordance with the measured resonance period to transfer the charges charged in the resonance module to the one or more battery cells.

US Pat. No. 10,396,568

BATTERY CHARGER WITH USER INTERFACE

TRAXXAS LP, McKinney, TX...

1. A battery charger, comprising:an electrical connector for electrically coupling to a battery to be charged and delivering a configurable electrical charge for charging the battery to be charged;
a sensor for obtaining information receivable from an RFID device connected to the battery to be charged, the information receivable comprising a battery type or a battery cell count;
a memory for storing a plurality of predefined charging parameter settings of the battery charger, the predefined charging parameter settings configured to correspond to the information receivable from the RFID device;
balance terminals and a balance connector port;
wherein the charger at least partially configures the electrical charge delivered to the battery to be charged in accordance with the predefined charging parameter settings corresponding to the information receivable; and
wherein the balance terminals and the balance port are configured to balance charge the battery to be charged when the battery to be charged is a Lithium Polymer battery.

US Pat. No. 10,396,567

WIRELESS ELECTRIC FIELD POWER TRANSFER SYSTEM, METHOD, TRANSMITTER AND RECEIVER THEREFOR

SOLACE POWER INC., Mount...

1. A wireless power transfer system comprising:a transmitter comprising a transmit electrode set configured to transfer power via resonant electric field coupling; and
a receiver comprising a receive electrode set configured to extract the transferred power via resonant electric field coupling,
wherein the electrodes of at least one of the transmit and/or receive electrode sets are concentric, and
wherein at least one of the electrodes of the transmit and/or receive electrode sets are azimuthally asymmetric.

US Pat. No. 10,396,566

GEOLOCATION USING GUIDED SURFACE WAVES

CPG Technologies, LLC, I...

1. An apparatus, comprising:a charge terminal elevated over a lossy conducting medium;
a receiver network coupled between the charge terminal and the lossy conducting medium, the receiver network having a phase delay (?) that matches a wave tilt angle (?) associated with a guided surface wave having a wavefront incident at a complex Brewster angle of the lossy conducting medium, the wave tilt angle (?) based at least in part upon characteristics of the lossy conducting medium in a vicinity of a guided surface wave receive structure:
a processor;
a memory; and
an application stored in the memory and executable by the processor, wherein the application causes the apparatus to perform at least the following actions when executed by the processor:
identify a field strength of the guided surface wave received by the receiver network;
identify a phase of the guided surface wave;
calculate a distance of the receiver network from a guided surface waveguide probe that launched the guided surface wave; and
determine a location of the receiver network based at least in part on the distance of the receiver network from the guided surface waveguide probe.

US Pat. No. 10,396,564

ELECTRIC POWER TRANSMISSION SYSTEM INCLUDING MODULATORS AND DEMODULATORS, AND CONTROLLER

PANASONIC INTELLECTUAL PR...

1. A system comprising:a first modulator that modulates, using a first modulation signal of a first modulation frequency, a first Alternating Current (AC) electric power signal of a first frequency to generate a first modulated electric power, the first modulation frequency being different from the first frequency;
a second modulator that modulates, using a second modulation signal of a second modulation frequency, a second AC electric power signal of a second frequency to generate a second modulated electric power, the second modulation frequency being different from the first modulation frequency and the second frequency;
a transmission line through which a transmission power is transmitted, the transmission power being obtained by combining a plurality of modulated electric powers including the first modulated electric power and the second modulated electric power;
a first demodulator that demodulates, using a first demodulation signal of a first demodulation frequency, the transmission power to generate a third AC electric power signal, the first demodulation signal corresponding to the first modulation signal, the first demodulator including a plurality of first switches; and
a second demodulator that demodulates, using a second demodulation signal of a second demodulation frequency, the transmission power to generate a fourth AC electric power signal, the second demodulation signal corresponding to the second modulation signal, the second demodulator including a plurality of second switches.

US Pat. No. 10,396,563

RENEWABLE ENERGY LOAD MANAGEMENT AND POWER BALANCING SYSTEM AND OPERATION

Kripya LLC, Vancouver, W...

1. A solar energy system comprising:one or more direct current to alternating current (DC-AC) inverters;
one or more solar energy sources coupled to the one or more DC-AC inverters; and
a programmable load manager circuit configured to monitor an amount of power available from the one or more solar energy sources and an amount of power demand from one or more active loads of a plurality of loads connected to the programmable load manager circuit, and to manage the plurality of loads such that the amount of power demand is less than the amount of power available,
wherein the programmable load manager circuit is configured to monitor the amount of power available from the one or more solar energy sources by:
determining an amount of power drawn by the one or more active loads from individual ones of the one or more solar energy sources as a computed amount of power;
determining an amount of voltage output by individual ones of the one or more solar energy sources as a measured amount of voltage; and
looking up an amount of power available from individual ones of the one or more solar energy sources in a look up table using the computed amount of power and the measured amount of voltage;
wherein the look up table specifies:
multiple first values for an amount of power output by an individual solar energy source; and
corresponding to each value of the multiple first values:
multiple second values for an amount of voltage output by the individual solar energy source; and
multiple third values for an amount of power available from the individual solar energy source.

US Pat. No. 10,396,562

SERIES COMPENSATION DEVICE APPLICABLE TO DOUBLE-CIRCUIT LINE

NR ELECTRIC CO., LTD, Ji...

1. A series compensation device for double-circuit lines, characterized in that: the device comprises at least one voltage source converter and one three-phase multi-winding transformer, wherein at least two windings of the three-phase multi-winding transformer are connected in series into the double-circuit lines respectively, and at least one winding of the three-phase multi-winding transformer is connected to an AC side of the voltage source converter.

US Pat. No. 10,396,561

COORDINATION CONTROL METHOD OF MULTI-TERMINAL VSC-HVDC TRANSMISSION SYSTEM

NR ELECTRIC CO., LTD, Na...

1. A coordination control method of a multi-station VSC-HVDC power transmission system, the method comprising:assigning a direct current voltage master control station to work in a direct current voltage control mode, wherein the direct current voltage master control station working in the direct current voltage control mode controls a direct current voltage of the multi-station VSC-HVDC power transmission system;
assigning at least one direct current voltage control slave station to work in a slave mode and selects active power control or frequency control;
providing at least one common converter station working in active power control or frequency control, said at least one common converter station not being assigned as a master station or a slave station and remains in its initial active power control or frequency control throughout system operation;
monitoring the direct current voltage master control station and the direct current voltage of the multi-station VSC-HVDC power transmission system through said at least one direct current voltage control slave station; and
switching one of the at least one direct current voltage control slave station from the slave mode to work in the direct current voltage control mode when the direct current voltage control slave station monitors that the direct current voltage master control station sent a shutdown information or a difference value of the direct current voltage value and a rated value falls outside a definite threshold range.

US Pat. No. 10,396,559

APPARATUS FOR MANAGING VOLTAGE STABILITY OF ELECTRICAL POWER GRID AND METHOD THEREFOR

Korea Electric Power Corp...

1. An apparatus for managing voltage stability of an electrical power grid, the apparatus comprising:a fast response type voltage control circuit generating reactive power output ratio information by using voltage information received from a plurality of target buses;
a reactive power distribution circuit generating reactive power reference information based on the reactive power output ratio information, and generating end voltage adjustment information by using the reactive power reference information;
an end voltage adjustment circuit adjusting an end voltage by using the end voltage adjustment information;
a transient reduction control circuit generating an auxiliary signal when a frequency is changed, and providing the auxiliary signal to the reactive power distribution circuit; and
a voltage adjustment control circuit generating an additional auxiliary signal by measuring voltages of the target buses, and providing the additional auxiliary signal to the end voltage adjustment circuit,
wherein the fast response type voltage control circuit generates a proportional coefficient by calculating sensitivity between reactive power and the voltages of the target buses, generates an integral coefficient by using the proportional coefficient and an integral time, and generates a differential coefficient by using the integral coefficient and a differential time.

US Pat. No. 10,396,558

SURGE SUPPRESSION SYSTEM FOR MEDIUM AND HIGH VOLTAGE

Asator Global Technologie...

1. A surge suppression system of a power distribution system of a power grid which provides power to low-voltage power consumers, comprising:at least one three phase system transformer of said power distribution system having a primary side which receives three phase power from a power source through first, second, and third power distribution lines, which each transmit a respective phase of said three phase power, and a secondary side, which supplies three phase power downstream through fourth, fifth, and sixth power distribution lines which each transmit a respective one of said phases of said three phase power, said primary and secondary sides including respective primary and secondary side coils to transform said three phase power from a first voltage on said primary side to a second voltage on said secondary side different from said first voltage, said system transformer stepping said first voltage up to or stepping said first voltage down from one of a medium voltage or a high voltage; and
at least one suppressor unit which is shunt-connected to said fourth, fifth, and sixth power distribution lines on and in immediate physical proximity to said secondary side of said system transformer between said system transformer and another three phase system transformer, said surge suppressor unit comprising first, second, and third transformer banks which correct voltage surges due to an electromagnetic pulse (“EMP”) or geomagnetic disturbance (“GMD”) whose voltage and/or current exceed normal operating levels by at least ten times, said first, second, and third transformer banks including respective first, second, and third primary coils which connect to and receive the respective phase of three phase power carried by said fourth, fifth, and sixth power distribution lines at said second voltage, said first, second, and third transformer banks also including respective first, second, and third secondary coils which connect in series together and have a resistor connected in series therewith to harmlessly drain energy from a surge due to an EMP or GMD whose voltage and/or current exceed normal operating levels by at least ten times, wherein said transformer banks transform said three phase power at said second voltage to three phase power at a third voltage.

US Pat. No. 10,396,557

DOMESTIC APPLIANCE DEMAND-RESPONSE POWER CONSUMPTION CONTROL SYSTEM AND METHOD

Whirlpool Corporation, B...

1. A method of operating an appliance, the appliance being electrically coupled to a plurality of electrical supply lines supplying electrical power to the appliance, the method comprising:receiving power information related to a supply of power to the appliance; and
operating the appliance in a demand response mode based on the received power information, including suspending a supply of power through at least one of the plurality of electrical supply lines.

US Pat. No. 10,396,555

SELF-LEARNING, REAL-TIME, DATA-DRIVEN POWER METERING SYSTEM

REstore NV, Antwerp (BE)...

1. A method of addressing disaggregation error at a site, said method comprising:computing a disaggregation error of a plurality of loads over a plurality of time intervals at said site, said computing using measured power of said loads and predicted power of said loads, said measured power being measured using temporary power meters;
determining that said disaggregation error is not within a requirement of said site;
ranking said loads based upon a length of time during which each of said loads is operating and no power model is available for said each of said loads;
adding a permanent power meter to a worst load of said ranking having a longest time of said ranking; and
measuring a power of said worst load using said added permanent power meter, whereby said disaggregation error is reduced.

US Pat. No. 10,396,554

POWER DISTRIBUTION CONTROL WITHIN A MODULAR CONVERTER SYSTEM USING EFFICIENCY CALCULATIONS

THE BOEING COMPANY, Chic...

9. A power distribution system for powering one or more loads, the power distribution system comprising:a plurality of inverters; and
a controller comprising one or more computer processors and configured to:
determine a plurality of possible combinations of the plurality of inverters to meet load demands corresponding to the one or more loads, each possible combination of the plurality of possible combinations including a respective set of one or more inverters of the plurality of inverters;
access, from a memory coupled with the one or more computer processors, one or more predefined efficiency functions associated with the one or more inverters;
select, based on the one or more predefined efficiency functions, a combination from the plurality of possible combinations; and
transmit control signals to the set of one or more inverters corresponding to the selected combination to thereby power the one or more loads.

US Pat. No. 10,396,553

SYSTEM AND METHOD FOR CONTROL OF MULTIPLE VOLTAGE REGULATORS

TELEFONAKTIEBOLAGET LM ER...

12. A power management unit, comprising:a digital control circuit operative to generate first and second voltage values that gradually ramp between selected Operating Performance Points (OPP), each OPP specifying values for the first and second voltage values, in response to OPP selections communicated to the power management unit; and
first and second voltage regulators operative to convert the first and second voltage values to first and second supply voltage signals having corresponding voltage levels;
wherein the digital control circuit comprises
a plurality of registers storing at least one trigger point value, the at least one trigger point value dividing a permissible range of values of the first voltage into two or more zones; and
a regulator control circuit operative to generate the first and second voltage values according to OPP target values read from the plurality of registers, whereby the second voltage value is constrained, both in a voltage value and in a difference between the second voltage value and the first voltage value, constraints being unique to each zone.

US Pat. No. 10,396,552

SEQUENTIALLY OPERATED MODULES

1. A game set for sensing, and responding to, a physical phenomenon using three or more mechanically attachable and electrically connectable devices, the game set comprising:a first device comprising, in a first enclosure:
a first connector for electrically connecting to, and for mechanically attaching to, another device;
a second connector capable of mating with the first connector, for electrically connecting to, and for mechanically attaching to, another device; and
a sensor having an output coupled to the first or second connector for sensing a physical, chemical, or biological phenomenon;
a second device comprising, in a second enclosure:
a third connector that is identical to the first connector for electrically connecting to, and for mechanically attaching to, another device;
a fourth connector that is identical to the second connector capable of mating with the third connector, for electrically connecting to, and for mechanically attaching to, another device; and
a power source coupled to the third or fourth connector for powering another device;
and a third device comprising, in a third enclosure:
a fifth connector for electrically connecting to, and for mechanically attaching to, another device;
a sixth connector capable of mating with the fifth connector, for electrically connecting to, and for mechanically attaching to, another device; and
a payload coupled to the fifth or sixth connector to be electrically powered from the power source and for converting an electrical power from the power source to a non-electrical type of energy,
wherein the game set further comprising a switch connectable between the power source and the payload,
wherein upon electrically connecting and mechanically attaching the first, second, and third devices in any order using the connectors, the payload is operated or activated by switching electrical power from the power source to the payload via the switch in response to the physical phenomenon sensed by the sensor.

US Pat. No. 10,396,551

ELECTROSTATIC PROTECTION CIRCUIT, SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE, AND ELECTRONIC DEVICE

SEIKO EPSON CORPORATION, ...

1. An electrostatic protection circuit connected to a first terminal via a first node and connected to a second terminal via a second node, comprising:a plurality of circuit blocks that are connected in series between the first node and the second node,
wherein at least one circuit block out of the plurality of circuit blocks includes:
a zener diode for setting a trigger voltage, and enters a conduction state when a potential of the first node becomes higher than a potential of the second node and a voltage between both ends of the circuit block including the zener diode reaches a breakdown voltage of the zener diode;
a thyristor that has an anode connected to one end of the circuit block including the zener diode and a cathode connected to another end of the circuit block including the zener diode; and
a resistance element that is connected between a gate of the thyristor and one of the cathode and the anode of the thyristor, the resistance element being directly connected to the gate of the thyristor and directly connected to the one of the cathode and the anode of the thyristor,
wherein the zener diode is connected between the gate of the thyristor and the other of the cathode and the anode of the thyristor, the zener diode being directly connected to the gate of the thyristor and the other of the cathode and the anode of the thyristor, and
wherein the zener diode allows current to flow to the resistance element or to the gate of the thyristor when the potential of the first node becomes higher than the potential of the second node and the voltage between both ends of the circuit block including the zener diode reaches the breakdown voltage.

US Pat. No. 10,396,550

ESD PROTECTION CHARGE PUMP ACTIVE CLAMP FOR LOW-LEAKAGE APPLICATIONS

TEXAS INSTRUMENTS INCORPO...

1. An electrostatic discharge (ESD) protection circuit, comprising:a clamp circuit, including:
a shunt transistor coupled between a first power supply node and a second power supply node, the shunt transistor including a control terminal, and
a sensing circuit configured to sense a voltage of the first power supply node, and to provide a control voltage signal to the control terminal to turn on the shunt transistor in response to a detected increase in the voltage of the first power supply node resulting from an ESD stress event; and
a charge pump circuit, including:
a charge pump capacitor, and
a switching circuit configured to charge the charge pump capacitor when the shunt transistor is off and to discharge the charge pump capacitor to boost the control voltage signal in response to the control voltage signal turning the shunt transistor on.

US Pat. No. 10,396,549

SEMICONDUCTOR DEVICE

RENESAS ELECTRONICS CORPO...

1. A semiconductor device, comprising:a power wire,
a ground wire; and
a protection circuit provided between the power wire and the ground,
wherein the protection circuit comprises:
a current mirror circuit coupled between the power wire and the ground wire;
a first capacitive element coupled between the power wire and the ground wire in series with the current mirror circuit, a first inverter with which a first coupling node between the current mirror circuit and the first capacitive element is coupled as an input node; and
a protection transistor which is coupled between the power wire and the ground wire and a gate of which receives an output from the first inverter, wherein the current mirror circuit comprises:
a first transistor coupled between the power wire and the ground wire; and
a second transistor coupled between the power wire and the ground wire in parallel with the first transistor so as to form the current mirror circuit together with the first transistor,
wherein the second transistor is coupled to the capacitive element through the first coupling node,
wherein the protection circuit comprises a third transistor which is coupled between the power wire and the first coupling node in parallel with the second transistor,
wherein the protection circuit further comprises a first resistive element coupled between the power wire and the ground wire in series with the first transistor, and
wherein the protection circuit further comprises a fourth transistor which is coupled between the power wire and the ground wire in series with the first resistive element.

US Pat. No. 10,396,548

PNEUMATICALLY OPERABLE CURRENT PROTECTION DEVICE FOR A FAULT CURRENT LIMITER

VARIAN SEMICONDUCTOR EQUI...

1. A fault current limiter comprising:a detection device electrically coupled between a current transformer and a pneumatic timer;
a set of breaker contacts coupled to a pneumatic cylinder, wherein the pneumatic timer is communicatively coupled with the pneumatic cylinder to actuate a moveable contact of the set of breaker contacts; and
an air supply, wherein the pneumatic timer is electrically coupled between the air supply and the pneumatic cylinder to control operation of the pneumatic cylinder and the air supply in response to a signal transmitted from the current transformer.

US Pat. No. 10,396,547

SEMICONDUCTOR DEVICE AND POWER CONTROL DEVICE

RENESAS ELECTRONICS CORPO...

1. A semiconductor device which drives a high side transistor disposed outside and coupled between a high potential side power supply voltage and a floating voltage and is comprised of one semiconductor chip, comprising:a high potential side power supply pad coupled to the high potential side power supply voltage;
a floating pad coupled to the floating voltage;
a low potential side power supply pad coupled to a low potential side power supply voltage;
a power supply application area applied with the high potential side power supply voltage;
a high side area formed with a circuit operated at a first power supply voltage with the floating voltage as a reference;
a low side area formed with a circuit operated at a second power supply voltage with the low potential side power supply voltage as a reference;
a first termination area which is disposed in a ring form so as to surround the power supply application area and absorbs a difference in potential between the power supply application area and the low side area;
a second termination area which is disposed in a ring form so as to surround the high side area and absorbs a difference in potential between the high side area and the low side area;
a first isolation area which is disposed along an outer periphery of the first termination area and isolates the first termination area and the low side area from each other;
a second isolation area which is disposed along an outer periphery of the second termination area and isolates the second termination area and the low side area from each other; and
a high side driver which is formed in the high side area and drives the high side transistor.

US Pat. No. 10,396,546

RESIDUAL CURRENT PROTECTION DEVICE

Airbus Operations GmbH, ...

13. A method for residual current protection for an electric circuit having at least one electrical consumer, comprising:determining an amperage difference between the amperage of a current flowing to the at least one electrical consumer and the amperage of a current flowing from the at least one electrical consumer;
determining the amperage of a leakage current flowing out of the electric circuit to earth;
storing the determined amperage of the leakage and setting a preset limit value based on the determined amperage of the leakage;
interrupting the electric circuit if the difference between the determined amperage difference exceeds the preset limit value; and
wherein said residual current protection is implemented in the electrical circuit including the at least one electrical consumer, and wherein the steps of determining the amperage difference and determining the amperage of the leakage current are performed in one and the same unit.

US Pat. No. 10,396,545

INSULATION MONITORING DEVICE HAVING VOLTAGE MONITORING AND UNDERLYING METHOD

1. An insulation monitoring device (2) required according to electrical safety standards for monitoring of an insulation resistance of an ungrounded single-phase or multi-phase power supply system (4) having at least two active conductors (L1, L2, L3, N), characterized by a voltage monitoring circuit (8) supplementing the monitoring of the insulation resistance by registering a conductor voltage between at least one of the active conductors (L1, L2, L3, N) and ground and generating a shut-down signal for shutting down the power supply system if an excess voltage is detected, wherein the voltage monitoring circuit (8) has at least one voltage measuring path (10a, 10b, 10c) connecting the respective active conductors (L1, L2, L3, N) to ground for registering the conductor voltage and the voltage measuring path (10a, 10b, 10c) and an insulation-resistance measuring path (7) are configured as a combined resistance measuring path (11a, 11b, 11c, 11d) having a series-connected measuring-voltage source (Up).

US Pat. No. 10,396,544

SHUTOFF DEVICE

PANASONIC INTELLECTUAL PR...

1. A shutoff device configured to be connected to an AC power supply through a first power cable, the shutoff device configured to be connected to an electric drive vehicle through a second power cable, wherein the first power cable is electrically connected to the second power cable through two conductors, the shutoff device comprising:a magnetic core that is electromagnetically coupled to the two conductors that allow an AC current to flow through,
a winding that is wrapped around the magnetic core,
an exciter that is configured to supply the winding with an excitation current that is an alternating current,
a current detector that is configured to detect a current flowing through the winding,
a DC component detector that is configured to detect a DC component level from the current detected with the current detector,
two contact elements that are respectively disposed along the two conductors, and
a discrimination controller that is configured to:
not provide the two contact elements with a charge disable signal to turn the two contact elements on when the DC component level detected with the DC component detector is less than or equal to a threshold;
provide the two contact elements with the charge disable signal to turn the two contact elements off when the DC component level detected with the DC component detector is greater than the threshold; and
provide the two contact elements with the charge disable signal to turn the two contact elements off according to a signal indicating a de-energized condition in which the electric drive vehicle is electrically disconnected from the AC power supply.

US Pat. No. 10,396,543

PROTECTION DEVICE

LITTELFUSE JAPAN G.K., T...

1. A protection device comprising:a PTC component;
a resistive component; and
a first terminal and a second terminal, wherein the first terminal, the PTC component, the resistive component, and the second terminal are electrically connected in series in this order;
wherein a resistance value of the resistive component is between 10-fold and 50-fold of a resistance value of the PTC component at a room temperature.

US Pat. No. 10,396,542

BATH SAFETY CONTROL SYSTEM AND BATH SAFETY CONTROL METHOD

DARTPOINT TECH. CO., LTD....

1. A bath safety control system electrically coupled to at least one load, the bath safety control system comprising:a power source having two power source output terminals, the power source providing power for the load via the two power source output terminals;
at least one safety relay electrically coupled between one of the two power source output terminals and the load;
an operation relay electrically coupled between the other one of the two power source output terminals and the load;
a processing unit electrically coupled to the at least one safety relay and the operation relay; and
a detecting unit comprising at least one input terminal and an output terminal, the at least one input terminal comprising a first input terminal and a second input terminal, the first input terminal electrically coupled between the power source and the at least one safety relay, the second input terminal electrically coupled between the load and the operation relay, the output terminal electrically coupled to the processing unit,
wherein the processing unit determines whether the operation relay has a fault according to whether the detecting unit is activated,
when the processing unit determines that the operation relay has the fault, the processing unit controls the at least one safety relay to be turned off;
when the detecting unit is activated, the processing unit determines that the operation relay is turned on; and when the detecting unit is not activated, the processing unit determines that the operation relay is turned off;
wherein in a first operating mode of the bath safety control system, when the power source is supplied by electricity from a situation without electricity, the at least one safety relay is turned on and the operation relay is turned off;
when the bath safety control system is operated normally, the operation relay is turned on or turned off according to control of the processing unit and the at least one safety relay remains turned on;
and in the first operating mode, when the bath safety control system is operated normally,
when the detecting unit is activated and the processing unit determines that the operation relay should be turned on, the processing unit does not change a state of the at least one safety relay from being turned on;
when the detecting unit is activated and the processing unit determines that the operation relay should not be turned on, the processing unit changes the state of the at least one safety relay to an off state;
when the detecting unit is not activated and the processing unit determines that the operation relay does not require turning on, the processing unit does not change the state of the at least one safety relay from being turned on;
when the detecting unit is not activated and the processing unit determines that the operation relay requires turning on, the processing unit controls the operation relay to be turned on;
wherein in a second operating mode of the bath safety control system, when the power source is supplied by electricity from a situation without electricity, the at least one safety relay and the operation relay remain turned off,
when the operation relay and the at least one safety relay require turning on, the at least one safety relay is turned on firstly and then the operation relay is turned on;
when the operation relay and the at least one safety relay require turning off, the operation relay is turned off firstly and then the at least one safety relay is turned off;
and in the second operating mode, when the detecting unit is not activated and the processing unit determines that the operation relay does not require turning on, the processing unit does not change the state of the at least one safety relay from being turned off;
and in the second operating mode, when the detecting unit is not activated and the processing unit determines that the operation relay requires turning on, the processing unit controls the at least one safety relay to be turned on firstly and then controls the operation relay to be turned on;
and in the second operating mode, when the detecting unit is activated and the processing unit determines that the operation relay should be turned on, the processing unit does not change the state of the at least one safety relay from being turned on;
and in the second operating mode, when the detecting unit is activated and the processing unit determines that the operation relay should not be turned on, the processing unit changes the state of the at least one safety relay to the off state.

US Pat. No. 10,396,541

PROCESSOR-BASED CIRCUIT INTERRUPTING DEVICES

LEVITON MANUFACTURING CO....

1. A fault circuit interrupting device for selectively coupling a power source to a load, the fault circuit interrupting device comprising:a fault sensor configured to output a sensor signal;
a voltage sensor configured to output a reference voltage signal, wherein a characteristic of the reference voltage signal is indicative of noise on the power source; and
a controller configured to determine an occurrence of an actual fault based on the sensor signal and the noise on the power source.

US Pat. No. 10,396,540

ELECTRIC SUBMERSIBLE PUMP POWER CABLE TERMINATION ASSEMBLY

SCHLUMBERGER TECHNOLOGY C...

14. A method comprising:operating an electric submersible pump system to pump fluid wherein the electric submersible pump system comprises a power cable terminated by a power cable termination assembly;
responsive to a change in a pressure differential between a dielectric material in the power cable termination assembly and the fluid being pumped, actuating a pressure compensation mechanism in the power cable termination assembly, the actuating comprising translating an annular piston in an annular space that is exterior to an outer surface of the power cable;
responsive to the actuating, reducing the pressure differential;
using a spring member to damp movement of the annular piston, wherein the spring member resists movement of the annular piston when pressure of the fluid being pumped increases; and
positioning a potting material within the power cable termination assembly at a location to reduce risk of flow of a flowable material of the power cable.

US Pat. No. 10,396,539

MODULAR CABLE PROTECTOR

1. A system for disconnecting a series of modular cable protectors, said system comprising:a plurality of modular cable protectors, each having:
(a) a body having an upper surface with opposing side ramps, and opposing ends;
(b) at least one channel extending in parallel between the ends;
(c) end connectors on the ends for connecting the cable protectors in series with the channels in alignment with the channels of adjacent cable protectors; and
(d) at least one tool engagement feature having an opening in the upper surface of the cable protector extending downward into the body of the cable protector, and an undercut extending horizontally from the opening within the body beneath the upper surface of the cable protector; and
a tool with a vertical member having a lower end insertable into the opening with a horizontal protrusion extending from the lower end of the vertical member for removably engaging the undercut, said vertical member extending upward from the tool engagement feature to enable an upward force on the tool to be exerted on the cable protector to thereby disengage the end connectors from an adjacent cable protector.

US Pat. No. 10,396,538

HINGED CLAMP FOR SPACER-DAMPER

Hubbell Incorporated, Sh...

1. A method of connecting a spacer-damper to a utility line comprising:positioning a spacer-damper to connect to a utility line, the spacer-damper including a first jaw, a second jaw pivotally connected to the first jaw, and a fastener having an axial length and a radial width, wherein the first jaw includes a first clamping surface defining a first clamping region, a first aperture receiving the fastener and allowing the fastener to move radially between a first section of the aperture and a second section of the aperture spaced laterally from the first section, a keeper surface positioned above the first section of the aperture, and a keeper pocket positioned above the second section of the aperture, and wherein the second jaw includes a second clamping surface and an open-ended second aperture;
engaging the first jaw with a conductor;
pivoting the second jaw from an open position to a closed position adjacent the conductor;
moving the fastener in the radial direction from the first section of the first aperture to the second section of the first aperture; and
tightening the fastener to secure the first and second jaws to the conductor.

US Pat. No. 10,396,537

BUSWAY VERTICAL SPRING HANGER

Schneider Electric USA, I...

1. A vertical spring hanger for a busway vertical riser stack, the vertical spring hanger comprising:a) an upper bracket and a lower bracket extending in an X axis with first and second threaded rods therebetween extending in a Y axis;
b) the first threaded rod affixed to the lower bracket and extending from the lower bracket through a hole in the upper bracket and having a first nut thereon located beneath the upper bracket for setting a distance between the upper bracket and the lower bracket when abutting the first nut to a bottom surface of the upper bracket;
c) the second threaded rod affixed to the lower bracket and extending from the lower bracket through a second hole in the upper bracket and being surrounded by a compression spring between the lower bracket and the upper bracket, and having a second nut located thereon above the upper bracket for fixing the distance between the upper bracket and the lower bracket in conjunction with the first nut, when abutting a top surface of the upper bracket;
and the second threaded rod further having a third nut thereon located beneath the spring for adjustably setting a spring load between the upper bracket and the lower bracket by forcing the spring upward toward the bottom surface of the upper bracket; and
the first threaded rod having no spring surrounding it; and
bolt holes in the lower bracket for attaching the lower bracket to a building structure.

US Pat. No. 10,396,536

TOOL USED FOR CONNECTING BUSBARS

1. A tool used for connecting busbars, said tool comprising an electric motor driving unit (15) and an electric control unit connected with an electrical power input; characterized in thatsaid tool further comprising a stationary portion (1) removably connected to a first busbar, a movable portion (2) removably connected to a second busbar and a loading portion (3) for clamping connecting rods, said connecting rod configured to mount to a pre-hole of a connecting surface of said first busbar and said second busbar, said first and second busbars being connected by said connecting rod;
said movable portion (2) being movably connected to a first and second stationary shaft (11,12) of said stationary portion (1), said movable portion (2) being connected to a movable shaft (13) by a screw pair, said movable portion (2) being fixedly connected to said electric motor driving unit (15) of said stationary portion (1), said movable shaft (13) being driven to rotate around its axis by said electric motor driving unit (15), said loading portion (3) being movably connected to said second stationary shaft (12) of said stationary portion (1) and sliding between a body of said stationary portion (1) and a body of said movable portion (2), said loading portion (3) rotating around said second stationary shaft (12).