US Pat. No. 11,114,963

METHOD AND SYSTEM FOR ENHANCING ELECTRICAL POWER PRODUCTION BY A POWER GENERATION SYSTEM BY CONTROLLING SWITCHES TO PLACE A ROTOR-SIDE CONVERTER IN PARALLEL WITH A LINE-SIDE CONVERTER

General Electric Company,...


1. A power generation system (100, 200, 300, 400), comprising:a prime mover (102);
a doubly-fed induction generator (DFIG) (104) operatively coupled to the prime mover (102), wherein the DFIG (104) comprises a rotor winding (126) and a stator winding (122);
a rotor-side converter (106) electrically connectible to the rotor winding (126);
a line-side converter (108) elect: deafly connectible to a point of common coupling (PCC) (114), wherein the line-side converter (108) and the rotor-side converter (106) are coupled to each other via a direct current (DC) link;
a secondary power source (110, 401) electrically coupled to the DC-link; and
a control sub-system comprising:
a plurality of switching elements (130, and 132 or 201); and
a controller (136) operatively coupled to the plurality of switching elements (130, and 132 or 201) and configured to selectively control switching of one or more switching elements of the plurality of switching elements (130, and 132 or 201) based on a value of an operating parameter corresponding to at least one of the prime mover (102), the DIEM (104), or the secondary power source (110, 401) to disconnect the rotor winding from the rotor-side converter and connect the rotor-side converter (106) in parallel with the line-side converter (108) at the PCC to increase an electrical power production by the power generation system (100, 200, 300, 400).

US Pat. No. 11,114,962

SEMICONDUCTOR DEVICE, MOTOR DRIVE SYSTEM, AND MOTOR CONTROL PROGRAM

RENESAS ELECTRONICS CORPO...


1. A semiconductor device adapted to control an inverter circuit that drives a three-phase motor, the semiconductor device comprising:a detector that is coupled to output nodes in various phases of the inverter circuit adapted to output a motor voltage, and detects back electromotive force generated in an output node that is in a non-conducting phase and among the output nodes of the various phases; and
a controller that controls the inverter circuit,
wherein the controller detects a position of a rotor in the three-phase motor during a start-up operation of the three-phase motor, and controls the inverter circuit so as to apply a drive current to two out of three phases of the three-phase motor in accordance with the detected position of the rotor,
wherein the controller changes a time of application of the drive current in accordance with a rotation speed of the rotor, and
wherein the controller changes the time of application of the drive current in accordance with a magnitude of the back electromotive force that is in a non-conducting phase and detected by the detector.

US Pat. No. 11,114,961

MOTOR DRIVING CONTROL DEVICE AND MOTOR DRIVING CONTROL METHOD

MINEBEA MITSUMI INC., Na...


7. A motor driving control method for driving a motor by use ofa motor driving unit having a plurality of switching elements connected to a power supply and configured to selectively energize coils with a plurality of phases of the motor,
a position detector corresponding to any one of the plurality of phases and configured to output a position signal, a phase of the position signal changing depending on a position of a rotor of the motor, and
a current detector configured to detect a drive current of the motor,
the method comprising:
a change detecting step of detecting a predetermined phase change in the position signal;
a first switching step of sequentially switching energization patterns of the coils with the plurality of phases based on a timing when the phase change is detected; and
a second switching step of, in a state where the change detecting step does not detect the phase change, when a value of the drive current becomes a predetermined first threshold or more during a monitoring time period after a timing when the predetermined phase change in the position signal is expected, forcibly performing an operation to switch to a next energization pattern regardless of the timing of switching the energization pattern by the first switching step.

US Pat. No. 11,114,960

ELECTRIC DRIVE TRAIN AND METHOD FOR FEEDING AN ELECTRIC DRIVE TRAIN


1. An electric drive train including:one or more power sources collectively providing at least two power signals;

an electric motor assembly including a plurality of separately powered electric motor elements, each motor element including a rotor and a stator;a power distribution system for distributing electric power from the one or more power sources to the electric motor assembly, the power distribution system including a plurality of independent power supply branches with each branch configured to transmit an independent power signal from the one or more power sources to at least one of the separately powered electric motor elements such that each electric motor element is independently supplied by a power supply branch,
wherein a first subset of the power supply branches being configured to power a first subset of the electric motor elements with a first subset of the power signals, the first subset of power supply branches including one or more motor controllers for controlling the first subset of electric motor elements and a rechargeable energy storage system configured to store energy of the first subset of power signals as stored energy, and to selectively supply the stored energy to the one or more motor controllers to feed the first subset of electric motor elements; and
wherein a second subset of the power supply branches being independent from the first subset of power supply branches and configured to power a second subset of the electric motor elements that are independent from the first subset of the electric motor elements with a second subset of the power signals, the second subset of the power supply branches including one or more matrix converters operating in an AC-AC mode or motor controllers to modify the second subset of the power signals to provide modified power signals to a second subset of the electric motor elements.

US Pat. No. 11,114,959

ELECTRIC MOTOR DRIVING SYSTEM AND METHOD

DENSO CORPORATION, Kariy...


1. An electric motor driving system to control driving of a motor that includes multiple windings of two or more phases each having open ends, the electric motor driving system comprising:a first inverter connected to a first power supply at a first end of the first inverter to receive a direct current power from the first power supply, the first inverter including at least two switching elements connected to the open ends of the windings at a second end of the first inverter, respectively;
a second inverter connected to a second power supply at a first end of the second inverter to receive a direct current power from the second power supply, the second inverter including at least two switching elements connected to the open ends of the windings at a second end of the second inverter, respectively; and
a main control unit including:a first inverter control circuit to receive a torque instruction from an outside of the electric motor driving system and generate a first voltage instruction based on the torque instruction, the first voltage instruction being output to the first inverter,
a second inverter control circuit to receive a torque instruction from an outside of the electric motor driving system and generate a second voltage instruction based on the torque instruction, the second voltage instruction being output to the second inverter, and
an electric power controller included in at least one of the first inverter control circuit and the second inverter control circuit to receive a target electric power instruction from an outside of the electric motor driving system,

wherein the electric motor system controls a current vector of each of the first and second inverters to be common, the current vector being composed of a current amplitude and a current phase,
wherein the electric power controller changes voltage vectors of the first and second inverters while maintaining the sum of the voltage vectors and a total electric power generated in the first and second inverters per torque instruction to control sharing of the electric power supplied from the first power supply and the second power supply between the first inverter and the second inverter in accordance with the target electric power instruction,
wherein one of the first inverter control circuit and the second inverter control circuit including the electric power controller acts as an electric power supervising circuit and the other one of the first inverter control circuit and the second inverter control circuit excluding the electric power controller acts as an electric power non-supervising circuit,
wherein each of the first inverter control circuit and the second inverter control circuit generates dq-axes voltage instructions based on the torque instruction to respectively control the first and second inverters, and
wherein the electric power controller included in the inverter control circuit acting as the electric power supervising circuit adjusts only the dq-axes voltage instructions generated in the electric power supervising circuit based on the dq-axes voltage instructions generated in each of the first inverter control circuit and the second inverter control circuit.

US Pat. No. 11,114,958

BRAKING METHOD FOR AN ELECTRIC MOTOR

SIEMENS AKTIENGESELLSCHAF...


14. An electric motor arrangement, comprising:an electric motor; and
a soft starter connected to the electric motor controlling the electric motor, wherein the soft starter comprises a first memory storing computer commands of a first computer program product embodied in a non-transitory computer-readable storage medium and executing the computer commands, the soft starter being connected to a superordinate control device having a second memory in which a second computer program product embodied in a non-transitory computer-readable storage medium and having computer commands is stored for execution by the superordinate control device, with the first and second computer program products interacting to cause the soft starter to output actuation commands to at least one semiconductor switch and to receive and process measured values, by:
a) actuating at least one semiconductor switch, which is arranged in parallel with an electromechanical switch, to reduce a current intensity in the electromechanical switch;
b) opening the electromechanical switch;
c) turning off the at least one semiconductor switch for an adjustable period;
d) determining a resulting torque of the electric motor; and
e) determining an actuation time for braking the electric motor based on the resulting torque and actuating the at least one semiconductor switch at the actuation time,

wherein the resulting torque is opposite a present direction of rotation of the electric motor at the actuation time.

US Pat. No. 11,114,957

VACUUM PUMP AND MOTOR CONTROLLER

Edwards Japan Limited, Y...


1. A vacuum pump comprising:a motor that generates regenerated power according to a rotation of a rotor during a power failure;
a power supply unit that converts alternating-current power to direct-current power and outputs the direct-current power, the alternating-current power being obtained from an alternating-current power supply; and
a motor controller that controls the motor, the motor controller comprising:a motor driving circuit that drives the motor when receiving one of the direct-current power and the regenerated power;
a backflow prevention diode interposed between the power supply unit and the motor driving circuit;
a power-failure detection circuit that detects a primary voltage of the backflow prevention diode;
a driving-voltage sensing circuit that detects a secondary voltage of the backflow prevention diode; and
a motor control circuit that determines, when the primary voltage drops to a predetermined power-failure detection threshold value, whether the power failure is a primary power failure of the alternating-current power or a secondary power failure of the direct-current power based on a voltage difference between the primary voltage and the secondary voltage; and controls the motor driving circuit so as to enter a regeneration mode in which the motor is driven by the regenerated power.


US Pat. No. 11,114,956

MAGNETIC LEVITATOR

SINGAPORE UNIVERSITY OF T...


1. A magnetic levitator comprising:a first portion having a first arrangement of a plurality of permanent magnets, and the first arrangement has first and second circumferences; and
a second portion having a second arrangement of a plurality of permanent magnets, and the second arrangement has a third circumference,
wherein the first and second arrangements are rotationally symmetrical, and the first circumference is larger than the third circumference, and
wherein in use, one of the portions is magnetically levitated by the other one of the portions, and the second circumference is arranged substantially aligned to the third circumference,
wherein the first circumference is an outer circumference of the first arrangement, and the second circumference is an inner circumference of the first arrangement,
wherein the third circumference is an outer circumference of the second arrangement,
wherein the second circumference is substantially equal to the third circumference,
wherein the plurality of permanent magnets of the first arrangement are tilted towards a center of the first portion as viewed from the second portion,
wherein the plurality of permanent magnets of the second arrangement are tilted towards a center of the second portion as viewed from the first portion,
wherein magnetic fields of the first and second arrangements are perpendicular to each other, thereby locking the second portion at a neutral position at a set distance from the first portion such that when the second portion is urged towards the first portion, a repulsive force between the first arrangement and the second arrangement restores the second portion to the neutral position, and when the second portion is urged away from the first portion, an attractive force between the first arrangement and the second arrangement restores the second portion to the neutral position,
wherein location of the neutral position is changeable by varying angle of tilt of the plurality of permanent magnets of the first arrangement and varying angle of tilt of the plurality of permanent magnets of the second arrangement, and
wherein magnitude of the attractive force and magnitude of the repulsive force are changeable by varying the first circumference and varying the second circumference.

US Pat. No. 11,114,955

SELF POWERED WIRELESS SENSOR

Clemson University, Clem...


1. A triboelectric nanogenerator (TENG), comprising:a pair of oppositely facing bottom and top electrodes of dissimilar materials for producing contact induced electrostatic potential across the surfaces of said electrodes to convert mechanical energy applied thereto into usable electrical energy;
wherein said bottom electrode comprises a combination of graphene and one of polylactic acid (PLA) and a polymer formed as a graphene nanocomposite on a substrate;
said top electrode comprises one of Teflon, Polyvinylidene fluoride, two-dimensional Ti2C3Tx, and fluorographene;
said TENG further includes a metallic ribbon attached to said bottom electrode to function as an antenna for directly wirelessly transmitting electrical energy from said TENG to an associated receiving wireless device;
said ribbon comprises a copper ribbon;
said substrate comprises a glass substrate;
said top electrode comprises a Teflon sheet; and
said graphene is combined with PLA to form a gPLA nanocomposite which is 3D-printable on said substrate.

US Pat. No. 11,114,954

ULTRASONIC MOTOR HAVING GENERATORS FORMED OF COOPERATING AND SPACED APART FIRST AND SECOND SUB-GENERATORS


1. An ultrasonic motor, comprising:an element to be driven;
an ultrasonic actuator made of polarized electromechanical material in the form of a plate having a length L, a height H and a thickness T, and with main surfaces, and side surfaces that are smaller in terms of area than said main surfaces and connect said main surfaces to each other;
at least two friction elements arranged on at least one of said side surfaces and provided for frictional contact with said element to be driven;
at least two generators (Gl, Gr) which are each formed of an excitation electrode, a general electrode, and electromechanical material disposed between said excitation electrode and said general electrode, such that said ultrasonic actuator can be excited by applying electrical excitation voltage to said electrodes of said at least two generators (Gl, Gr) to form an acoustic standing wave usable for driving said element to be driven; and
each of said at least two generators (Gl, Gr) having first and second cooperating and spaced sub-generators, the first sub-generator of a generator of said at least two generators being respectively located between the first and second sub-generators of an adjacent generator of said at least two generators; and the first and second sub-generators of one generator of said at least two generators being arranged in mirror image to the first and second sub-generators of an adjacent generator of said at least two generators;
wherein a polarization direction of electromechanical material of the first sub-generator of one generator of said at least two generators (Gl, Gr) differs from a polarization direction of electromechanical material of the second sub-generator of the same generator (Gl, Gr).

US Pat. No. 11,114,953

CHARGE PUMP-BASED ARTIFICIAL LIGHTNING GENERATOR AND METHOD FOR MANUFACTURING SAME

Samsung Electronics Co., ...


7. A method of manufacturing a charge-pump-based artificial lightning generator, the method comprising:(a) forming a second electrode on a prepared substrate;
(b) forming a negative charging object under the second electrode;
(e) forming a positive charging object below the negative charging object at a location spaced apart from the negative charging object by a certain distance, to generate charges;
(f) nanostructuring a surface of the positive charging object;
(g) coating the nanostructured surface of the positive charging object with second metal particles;
(h) forming a grounding layer below a side of the positive charging object while maintaining a certain distance from the positive charging object, to separate charges; and
(i) forming a first electrode below the positive charging object at a location spaced apart from the positive charging object by a certain distance, to accumulate charges.

US Pat. No. 11,114,952

PHASE-CHANGE COMPOSITES FOR ELECTROACTIVE DEVICES

Facebook Technologies, LL...


19. A method comprising:forming a primary electrode;
forming an electroactive polymer element comprising a composite polymer material directly over the primary electrode; and
forming a secondary electrode opposite the primary electrode and directly over the electroactive polymer element, wherein the composite polymer material comprises a polymer matrix and inclusions of a deformable medium comprising a phase-changeable material that undergoes a change in volume when the phase-changeable material changes phase, the inclusions of the deformable medium being dispersed throughout the polymer matrix.

US Pat. No. 11,114,951

ELECTROSTATIC MACHINE SYSTEM AND METHOD OF OPERATION

C-Motive Technologies Inc...


1. An electrostatic machine comprising:a drive electrode and a stator electrode separated by a gap and forming a capacitor, wherein the drive electrode is configured to move with respect to the stator electrode;
a housing configured to enclose the drive electrode and the stator electrode, wherein the stator electrode is fixed to the housing; and
a dielectric fluid that fills a void defined by the housing, the drive electrode, and the stator electrode, wherein the dielectric fluid comprises an ester;
wherein:the ester is a compound of formula R—C(O)O—R? or ROC(O)CR?C(O)OR?, wherein R, R?, and R? are individually a substituted or unsubstituted C1-C10 alkyl or C2-C12 alkenyl group; or
the ester is a high dielectric malonate.


US Pat. No. 11,114,950

HIGH FREQUENCY POWER SUPPLY DEVICE

Murata Manufacturing Co.,...


1. A high frequency power supply device configured using a circuit substrate, comprising:an input unit for a DC power supply;
a high frequency power generation circuit that is connected to the DC power supply and includes a switching circuit including a high-side switch element and a low-side switch element; and
a high frequency capacitor that is connected in parallel between the DC power supply and the high frequency power generation circuit,
wherein
a line length between an input end of the switching circuit and the high frequency capacitor is shorter than a line length between an output end of the DC power supply and the high frequency capacitor,
a current path going through the switching circuit and the high frequency capacitor is the shortest among a plurality of current paths through which a switching current is caused to flow by switching at the switching circuit, and
the high frequency capacitor is directly connected, with a shortest distance, to a connecting part of one end of the high-side switch element at the circuit substrate and a connecting part of one end of the low-side switch element at the circuit substrate.

US Pat. No. 11,114,949

INVERTER CONTROL BOARD THAT IS CONFIGURED SO THAT A DETECTION CIRCUIT IS APPROPRIATELY ARRANGED

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


1. An inverter control board that is configured to be connected to an inverter for performing conversion between direct current power and multiple-phase alternating current power, wherein the inverter has arms, each arm provided for one alternating current phase and comprising a series circuit of a high-side switching element to be connected to a direct-current positive electrode and a low-side switching element to be connected to a direct-current negative electrode, the inverter control board comprising:a drive control circuit for driving and controlling the inverter;
a low-voltage region and a high-voltage region as regions where a plurality of circuits are arranged, wherein:a circuit of the plurality of circuits arranged in the high-voltage region has a higher operating voltage than a circuit of the plurality of circuits arranged in the low-voltage region,
the high-voltage region includes a plurality of high-side high-voltage regions, each configured to be connected to the high-side switching element of a corresponding phase, and
the high-voltage region includes a plurality of low-side high-voltage regions, each configured to be connected to the low-side switching element of a corresponding phase;
an insulation region that electrically insulates the low-voltage region, each of the high-side high-voltage regions, and each of the low-side high-voltage regions from one another, wherein:
the circuit in the low-voltage region and the circuit in each of the high-side high-voltage regions are connected via respective high-side connection circuits included in a connection circuit across the insulation region and that transmits a signal in an electrically insulated state, and
the circuit in the low-voltage region and the circuit in each of the low-side high-voltage regions are connected via respective low-side connection circuits included in the connection circuit and that transmits a signal in an electrically insulated state; and
a voltage detection circuit for detecting a direct-current-side voltage of the inverter is arranged between the high-side connection circuit and the low-side connection circuit that are adjacent to each other.


US Pat. No. 11,114,948

LOAD GENERATION USING A MULTI-LEVEL SWITCHED CAPACITOR BOOST INVERTER

King Abdulaziz University...


1. A method of providing a multi-level switched capacitor boost inverter, comprising:connecting a two-switched capacitor circuit, a source circuit and at least one first one-switched capacitor circuit in series;
connecting a load across the two-switched capacitor circuit and the at least one first one-switched capacitor circuit;
operatively connecting a control circuit to each gate of a plurality of switches of the two-switched capacitor circuit, the source circuit and the at least one first one-switched capacitor circuit and across the load;
generating, by the control circuit, a plurality of gate pulses using level-shifted pulse width modulation (LS-PWM);
applying the gate pulses to the plurality of switches;
charging, with a DC voltage source, a pair of series connected capacitors of the two-switched capacitor circuit;
adjusting the gate pulses to balance each of the series connected capacitors to have a same voltage magnitude;
charging, by the DC voltage source of the source circuit of the multi-level switched capacitor boost inverter, an output capacitor of the at least one first one-switched capacitor circuit; and
generating an output voltage across the load equal to the charge on the output capacitor,
wherein the output voltage has thirteen voltage levels and a gain equal to three,
wherein the control circuit is operatively connected to the DC voltage source by a pair of load terminals, the output capacitor and the plurality of switches, and
wherein the control circuit is configured to generate drive signals to selectively operate the plurality of switches to provide the output voltage across the pair of load terminals,
determining a number of voltage levels, N, to be provided to the load by the switched capacitor multi-level boost inverter;
determining a number of switches, NSW, needed to provide the number of voltage levels by:




determining a number of capacitors, NCAP, needed to provide the number of voltage levels by:





anddetermining a voltage gain, G, across the load by:





US Pat. No. 11,114,947

LOAD IDENTIFYING AC POWER SUPPLY WITH CONTROL AND METHODS


1. A power supply to connect an AC supply to an electronic load and identify the load, the power supply comprising:a) an AC to DC converter,
b) an electronic switch, wherein the switch includes a switch controller and the switch controller provides phase angle modulation of a voltage from the AC supply to the load, and,
c) a first voltage sensor to monitor the voltage of the AC supply, and,
d) a second voltage sensor to monitor a voltage applied to the load, and,
e) a current sensor to monitor a current drawn by the load, and,
f) a microprocessor powered by the AC to DC converter and programmed to accept input from the first voltage sensor, the second voltage sensor and the current sensor and to control the switch controller, such that, a first set of waveforms of the first voltage sensor, the second voltage sensor and the current sensor are acquired during a first period of time after a connection of the load to the power supply, and, a second set of waveforms of the first voltage sensor, the second voltage sensor and the current sensor are acquired during a second period of time after a connection of the load to the power supply, each of the first set of waveforms and the second set of waveforms having an amplitude and a phase shift relative to one another, and,
g) the voltage to the load during the second period of time is reduced using phase angle modulation of the AC voltage to the load by the switch, and,
h) the microprocessor is further programmed to identify the load by comparing the first set of waveforms with the second set of waveforms.

US Pat. No. 11,114,946

VOLTAGE REGULATOR MODULE

DELTA ELECTRONICS, INC., ...


1. A voltage regulator module, comprising:a circuit board assembly comprising a printed circuit board and at least one switch element, wherein the printed circuit board has a first surface and a second surface which are opposed to each other, the printed circuit board comprises a first concave structure and at least one protrusion post, wherein the first concave structure is concavely formed on the second surface of the printed circuit board, the protrusion post is disposed within the first concave structure, and the protrusion post has internal traces, wherein a pin as a positive input terminal, a pin as a positive output terminal and a pin as a negative output terminal of the voltage regulator module are disposed on the second surface of the printed circuit board, and the at least one switch element is disposed on the first surface of the printed circuit board; and
a magnetic core assembly accommodated within the first concave structure, and comprising at least one opening, wherein the protrusion post is penetrated through the corresponding opening, so that at least one inductor is defined by the at least one protrusion post and the magnetic core assembly collaboratively.

US Pat. No. 11,114,945

SECONDARY-CONTROLLED ACTIVE CLAMP IMPLEMENTATION FOR IMPROVED EFFICIENCY

Cypress Semiconductor Cor...


1. A secondary-side controlled alternating current to direct current (AC-DC) converter comprising:a primary-side field effect transistor (FET);
a secondary-side FET;
a transformer of the AC-DC converter, wherein the transformer is coupled to the primary-side FET and the secondary-side FET;
an active clamp FET coupled to the primary-side FET, wherein the active clamp FET is disposed on a primary side of the transformer; and
a secondary-side controller coupled to the transformer, wherein the secondary-side controller is configured to generate a first control signal and a second control signal, the first control signal to control the primary-side FET via a primary-side controller across a first pulse transformer coupled between the primary-side controller and the secondary-side controller, and the second control signal to control the active clamp FET across a galvanic isolation barrier provided by a second pulse transformer, wherein a gate of the active clamp FET is directly coupled to a primary winding of the second pulse transformer.

US Pat. No. 11,114,944

FULLY INTEGRATED MULTI-PHASE BUCK CONVERTER WITH COUPLED AIR CORE INDUCTORS

International Business Ma...


1. A multi-phase switching power supply converter comprising:grouped pairs of phases, each phase having two magnetically coupled air-core inductors, wherein each group comprises:
a first driver circuit controlling switching of a first power transistor switching circuit coupled to a first air-core inductor having an output for driving an output load at a first phase of said switching power supply converter;
a second driver circuit controlling switching of a second power transistor switching circuit coupled to a second air-core inductor having an output for driving said output load at the second phase, the first and second phases being spaced 180° apart, the coupled first and second air-core inductors per group of such orientation and mutual inductance polarity relative to each other such that magnetic coupling between the two or more inductors at each phase results in a net increase in effective inductance per unit volume,
wherein each said magnetically coupled first air-core inductor and said second air-core inductor is a respective metal slab formed spaced apart in parallel alignment in a semiconductor substrate, the metal slabs being coplanar and having a same length, a same width and a same thickness, said metal slabs of said coupled first air-core and said second air-core inductors are in a same physical orientation such that respective lengthwise edges of respective said first air-core inductor and said second air-core inductor are aligned in parallel, and respective widthwise edges of respective said first air-core inductor and said second air-core inductor are co-linear, and
wherein the first driver circuit of a group pair drives said output load through a physical connection to a first end of said first air-core inductor metal slab at a first phase of 0 degrees phase when supplying said current, and said second driver circuit of the group pair drives said output load through a physical connection to an opposite end of said second air-core inductor metal slab at a second phase of 180 degrees when supplying said current to said output load.

US Pat. No. 11,114,943

INDUCTIVE CURRENT SENSING FOR DC-DC CONVERTER

Dialog Semiconductor (UK)...


1. A DC-DC switching converter, including a multiple output switching converter, comprising:A sense coil, configured to measure a change in a magnetic field around a PCB track, and to generate a voltage proportional to a change in a load current, built on top of said PCB track between an output of said switching converter and said load powered by said switching converter, and placed after an LC filter, in order to detect a load current slew rate for the switching converter;
a load current compensation circuit, configured to minimize an undershoot or an overshoot voltage on the switching converter output, using said sense coil;
wherein said load current compensation circuit is configured to calculate a difference between a sense coil current and said load current using a scaled voltage replication of a load current profile.

US Pat. No. 11,114,942

BOOST CONVERTER

ACER INCORPORATED, New T...


1. A boost converter, comprising:a first inductor, receiving an input voltage;
a power switch element, comprising a parasitic capacitor, wherein the power switch element determines whether to couple the first inductor to a ground voltage according to a clock voltage;
an output stage circuit, comprising a first resistor, and coupled to the first inductor and the power switch element, wherein the output stage circuit generates an output voltage;
a controller, detecting a resistive voltage of the first resistor, and generating the clock voltage, a first control voltage, and a second control voltage according to the resistive voltage;
a resonant circuit, coupled to the first inductor, and selectively enabled or disabled according to the first control voltage; and
a discharging circuit, determining whether to couple the resonant circuit to the ground voltage according to the second control voltage;
wherein when the resonant circuit is enabled, the resonant circuit resonates with the first inductor and the parasitic capacitor, so as to fine-tune an inductive current flowing through the first inductor.

US Pat. No. 11,114,941

REDUCED VOLTAGE RATINGS FOR POWER TRANSISTORS IN A BUCK CONVERTER

TEXAS INSTRUMENTS INCORPO...


1. A device, comprising:a buck converter configured to generate an output voltage based on an input voltage;
a port controller coupled to the buck converter and configured to couple to a pass transistor,the port controller configured to:receive a first signal indicating that the input voltage is above a first threshold voltage;
generate a control signal for turning off the pass transistor in response to receiving the first signal;

receive a second signal indicating that a gate voltage of the pass transistor is below a second threshold voltage; and
turn off the buck converter in response to receiving the second signal; and

a linear voltage regulator configured to regulate the output voltage while the buck converter is turned off.

US Pat. No. 11,114,940

HALF-BRIDGE ELECTRONIC DEVICE COMPRISING TWO SYSTEMS FOR MINIMIZING DEAD-TIME BETWEEN THE SWITCHING OPERATIONS OF A HIGH LEVEL SWITCH AND OF A LOW LEVEL SWITCH

Exagan, Grenoble (FR)


1. An electronic half-bridge device, comprising:a high level switch and a low level switch in series, connected at a midpoint, the low level switch and the high level switch being respectively controlled by a first activation/deactivation signal and a second activation/deactivation signal, the electronic half-bridge device being able to form, from an input signal, a first control signal of the same polarity as the input signal and offset by a dead time, and a second control signal of reversed polarity with respect to the input signal and offset b a dead time;
a first synchronization system including a first detection circuit configured to interpret a variation, along a falling edge, of a voltage (Vm) at the midpoint, the first synchronization system being configured to generate a first synchronization signal activated at a state 1 by the falling edge and reset to state 0 when the first control signal changes to state 1;
a second synchronization system including a second detection circuit configured to interpret a variation, along a rising edge, of the voltage (Vm) at the midpoint, the second synchronization system being configured to generate a second synchronization signal activated at a state 1 by the rising edge and reset to state 0 when the second control signal changes to state 1;
an OR logic gate combining the first synchronization signal with the first control signal, to form the first activation/deactivation signal; and
another OR logic gate combining the second synchronization signal with the second control signal, to form the second activation/deactivation signal.

US Pat. No. 11,114,939

POWER SUPPLY SYSTEM WITH CURRENT COMPENSATION

MACROBLOCK, INC., Hsinch...


1. A power supply system operatively associated with a load unit, the load unit including a first terminal, a second terminal, and a plurality of loads that are coupled in series between the first and second terminals thereof, said power supply system comprising:a current driver circuit to receive a pulse signal, and generating an output current based on the pulse signal; the output current increasing within each pulse of the pulse signal, and decreasing outside each pulse of the pulse signal;
a sensor circuit coupled to said current driver circuit, and adapted to be further coupled to the first terminal of the load unit; said sensor circuit allowing the output current to flow therethrough from said current driver circuit to the first terminal of the load unit, and sensing the output current to generate a sensed voltage;
a control circuit adapted to be coupled to the loads, and to receive a control input; for each of the loads, said control circuit being operable, based on the control input, to allow or not to allow the output current to flow through the load;
a voltage generator circuit to receive the control input, and generating a reference voltage based on the control input; the reference voltage being correlated to a number of one(s) of the loads through which the output current flows; and
a signal generator circuit coupled to said sensor circuit, said voltage generator circuit and said current driver circuit, and to receive the sensed voltage and the reference voltage respectively from said sensor circuit and said voltage generator circuit; said signal generator circuit generating a first threshold voltage and a second threshold voltage based on the reference voltage, and comparing the sensed voltage with the first and second threshold voltages to generate the pulse signal for receipt by said current driver circuit.

US Pat. No. 11,114,938

ANALOG SUPPLY GENERATION USING LOW-VOLTAGE DIGITAL SUPPLY

Apple Inc., Cupertino, C...


1. An apparatus, comprising:a first charge pump circuit configured to generate a given voltage on a first power supply node using a clock signal and an input power supply node, wherein the given voltage is greater than a voltage of the input power supply node;
a device coupled between the first power supply node and a second power supply node, wherein the device is configured to adjust, using a control signal, a conductance between the first and second power supply nodes;
a second charge pump circuit configured to generate, using the second power supply node and the clock signal, a particular voltage on a regulated power supply node; and
a control circuit configured to generate the control signal using a voltage of the regulated power supply node and a reference voltage.

US Pat. No. 11,114,937

CHARGE PUMP CIRCUIT

Shanghai Huahong Grace Se...


1. A charge pump circuit having a charge pump unit structure comprising:a booster circuit unit;
a positive pump transfer unit; and
a negative pump transfer unit;
wherein an output terminal of the booster circuit unit is connected to an input terminal of the positive pump transfer unit through a first switch circuit;
wherein the output terminal of the booster circuit unit is connected to an input terminal of the negative pump transfer unit through a second switch circuit;
wherein a control end of the positive pump transfer unit is connected to an erase enable signal and a first enable signal; and a control end of the negative pump transfer unit is connected to the erase enable signal and a second enable signal, and the second enable signal is an inverted signal of the first enable signal;
wherein a control terminal of the first switch circuit is connected to the first enable signal, and a control terminal of the second switch circuit is connected to the second enable signal;
wherein when the erase enable signal is enabled, the charge pump circuit outputs both a positive voltage signal and a negative voltage signal;
wherein during an enabling process of the erase enable signal, when the first enable signal is enabled, the first switch circuit is conducted, the second switch circuit is switched off, the positive pump transfer unit works, the negative pump transfer unit stops working, the booster circuit unit provides a boost signal to the positive pump transfer unit and a positive voltage charge pump unit is composed of the booster circuit unit and the positive pump transfer unit, and the positive voltage charge pump unit works and outputs a unit positive voltage signal from an output terminal of the positive pump transfer unit;
wherein during the enabling process of the erase enable signal, when the second enable signal is enabled, the second switch circuit is conducted, the first switch circuit is switched off, the negative pump transfer unit works, the positive pump transfer unit stops working, the booster circuit unit provides a boost signal to the negative pump transfer unit, and a negative voltage charge pump unit is composed of the booster circuit unit and the negative pump transfer unit, and the negative voltage charge pump unit works and outputs a unit negative voltage signal from an output terminal of the negative pump transfer unit.

US Pat. No. 11,114,936

ADJUSTING OUTPUT VOLTAGE OF POWERED DEVICE PORTS

Hewlett Packard Enterpris...


1. A system, comprising:a first powered device port communicatively coupled to a power controller;
a second powered device port communicatively coupled to the power controller, wherein a first power sourcing equipment (PSE) device associated with the first powered device port has a different power classification than a second PSE device associated with the second powered device port; and
a non-transitory machine readable medium communicatively coupled to the first and the second powered device ports and comprising instructions to share output voltages between the first powered device port and the second powered device port, wherein the instructions are executable by a processing resource to:determine a power consumption of each of the first and the second powered device ports;
determine an output voltage demand of each of the first and the second powered device ports based on the determined power consumptions; and
based on the output voltage demand, prioritize which of the first or the second powered device ports supplies more power and adjust an output voltage to each of the first and the second powered device ports via the power controller to a nonzero value.


US Pat. No. 11,114,935

SWITCHING-MODE POWER SUPPLY CIRCUIT

SHANGHAI TUITUO TECHNOLOG...


1. A switching mode power supply circuit, comprising a boost inductor, a boost capacitor, a storage capacitor, a transformer or DC-DC inductor, a first switching component, an output rectification component, a filter capacitor, a feedback and control circuit, a first rectification circuit and a second rectification circuit, wherein:the first rectification circuit and the storage capacitor form a first rectification loop; the second rectification circuit and the boost capacitor form a second rectification loop; the first rectification circuit and the storage capacitor and the boost capacitor are connected at terminals of a same polarity;
the boost inductor, the boost capacitor, the storage capacitor, the transformer or DC-DC inductor, and the first switching component constitute a boost conversion circuit; the storage capacitor, the transformer or DC-DC inductor, the first switching component, the output rectification component and the filter capacitor constitute a DC-DC converter;
when the first switching component conducts, the boost inductor, the boost capacitor and the first switching component form a first boost loop in which the boost inductor stores energy; and the storage capacitor, the first switching component and the transformer or DC-DC inductor form a first DC-DC loop;
when the first switching component cuts off, the boost inductor, the boost capacitor, the storage capacitor and the transformer or DC-DC inductor form a second boost loop; and the transformer or DC-DC inductor, the output rectification component and the filter capacitor form a second DC-DC loop;
the filter capacitor supplies energy to a load; the feedback and control circuit is configured to output a chopping wave with a certain frequency and duty to drive the first switching component to conduct or cut off, so as to control an output of voltage or current or power for the load.

US Pat. No. 11,114,934

POWER SUPPLY DEVICE AND OPERATION METHOD THEREOF

DELTA ELECTRONICS, INC., ...


1. A power supply device, comprising:an inductor;
a switch, a first terminal of the switch being coupled to a first terminal of the inductor;
a power supply, a first terminal of the power supply being coupled to a second terminal of the switch; and
a snubber circuit, a first terminal of the snubber circuit being coupled to the first terminal of the switch at a first voltage output terminal, and a second terminal of the snubber circuit being coupled to a second terminal of the power supply at a second voltage output terminal,
wherein the snubber circuit comprises:an energy storage element;
an energy release element, wherein a first terminal of the energy release element and a second terminal of the energy release element are coupled to, respectively, a first terminal of the energy storage element and a second terminal of the energy storage element;
a reverse surge suppressor, a first terminal of the reverse surge suppressor being coupled to the second terminal of the energy storage element and the second terminal of the energy release element; and
a forward surge suppressor, wherein a first terminal of the forward surge suppressor is coupled to the first terminal of the reverse surge suppressor, and a second terminal of the forward surge suppressor is coupled to a second terminal of the reverse surge suppressor;

wherein the inductor, the switch, the power supply, and the snubber circuit are configured to cooperate to generate an output voltage between the first voltage output terminal and the second voltage output terminal.

US Pat. No. 11,114,933

SYSTEM AND METHOD PROVIDING OVER CURRENT PROTECTION BASED ON DUTY CYCLE INFORMATION FOR POWER CONVERTER

On-Bright Electronics (Sh...


1. A system controller for protecting a power converter,the system controller comprising:
a first signal generator configured to generate a threshold signal;
a comparator configured to receive the threshold signal and a current sensing signal and generate a comparison signal based on at least information associated with the threshold signal and the current sensing signal, the current sensing signal indicating a magnitude of a primary current flowing through a primary winding of a power converter; and
a second signal generator coupled to the first signal generator and configured to receive at least the comparison signal, generate a drive signal based on at least information associated with the comparison signal, and output the drive signal, the drive signal being associated with a first switching period and a second switching period following the first switching period, the first switching period corresponding to a first duty cycle;
wherein the first signal generator is further configured to, for the second switching period,determine a first threshold signal value based on at least the first duty cycle; and
generate the threshold signal equal to the determined first threshold signal value, the threshold signal being constant in magnitude as a function of time for at least a portion of the second switching period;
wherein:the first threshold signal value is equal to a first value adding a second value;
the first value is equal to the first duty cycle multiplied by a constant; and
the second value is a predetermined value and greater than zero.



US Pat. No. 11,114,932

METHOD AND APPARATUS FOR REDUCTION OF RIPPLE CURRENT

GE Aviation Systems LLC, ...


1. A ripple current reduction circuit couplable to a polyphase AC voltage source having a neutral line, the circuit comprising:a set of first coupled inductors being inductively coupled on a first common core, each first coupled inductor comprising a respective primary winding having a first end and a second end, and configured to receive at the first end a respective phase voltage from the polyphase AC voltage source, and a secondary winding;
a set of second coupled inductors being inductively coupled on a second common core;
a set of first capacitors; and
a set of auxiliary circuits, each auxiliary circuit corresponding to a respective phase voltage and coupled between the second end of each primary winding of a respective first inductor and the neutral line, wherein each auxiliary circuit comprises a respective second coupled inductor of the set of second coupled inductors, a respective first capacitor of the set of first capacitors, and the secondary winding of a respective first coupled inductor electrically coupled in series.

US Pat. No. 11,114,931

AC-DC POWER CONVERTER

Silergy Semiconductor Tec...


1. An AC-DC power converter, comprising:a) a front-stage power circuit;
b) a rear-stage power circuit configured to share one power switch as a main power switch with the front-stage power circuit, wherein the rear-stage power circuit is coupled to a load, and a first magnetic component of the front-stage power circuit and a second magnetic component of the rear-stage power circuit are not coupled in one conductive loop from a positive terminal of a DC input voltage to a negative terminal of the DC input voltage; and
c) an energy storage capacitor coupled to the front-stage power circuit and the rear-stage power circuit, wherein a common node of the first and second magnetic components is directly connected to the power switch with no other components therebetween.

US Pat. No. 11,114,930

EDDY CURRENT BRAKE CONFIGURATIONS

EDDY CURRENT LIMITED PART...


1. An eddy current brake, comprising:a magnetic field; and
an electrical conductor;
wherein the magnetic field and electrical conductor can move relative to each other and interact thereby inducing eddy current drag forces; and
wherein the eddy current brake has exactly two rotational degrees of freedom about a first primary axis and a secondary control axis, respectively, and zero linear degrees of freedom, wherein the first primary axis is orthogonal to the secondary control axis, and wherein, during operation, braking action is applied to the first primary axis and the secondary control axis is used to modulate the braking action;
wherein the first primary axis and the secondary control axis intersect.

US Pat. No. 11,114,929

MEMS DEVICE

GOOGLE LLC, Mountain Vie...


1. A device comprising:a single magnet comprising a first portion having a first direction of magnetization and a second portion having a second direction of magnetization, the magnet at least partially forming a recess between the first portion and the second portion, the magnet to generate a magnetic field from the first portion to the second portion across the recess; and
a MEMS die coupled to the magnet, the MEMS die at least partially positioned within the recess and partially surrounded by the magnet, the MEMS die comprising a MEMS mirror and an actuation coil, the MEMS mirror comprising a reflective surface, the MEMS mirror being responsive to operation of the actuation coil.

US Pat. No. 11,114,928

TORQUE MOTOR

HAMILTON SUNDSTRAND CORPO...


1. The method of constructing a torque motor, comprising:providing at least one pole piece formed from a single piece of material and at least partially by two arcuate members extending in opposite directions from a first attachment portion of the pole piece and following a generally circular path defining a perimeter of the pole piece, wherein a cross-section of the arcuate members are devoid of any holes or apertures and meet each other at a second attachment portion diametrically opposed from the first attachment portions of the pole piece, a top surface and a bottom surface of each arcuate member extends vertically and circumferentially away from the first attachment portion.

US Pat. No. 11,114,927

BRUSHLESS DIRECT CURRENT MOTOR FOR POWER TOOLS

MILWAUKEE ELECTRIC TOOL C...


1. A brushless electric motor comprising:a rotor; and
a stator in which the rotor is received, the stator includinga core defining a plurality of stator teeth,
an end cap coupled to the core, the end cap including a plurality of guiding tabs,
a plurality of coils disposed on the respective stator teeth, and
a plurality of coil contact plates overmolded within the end cap, each of the coil contact plates includes a first terminal and a second terminal;
wherein the first terminal and the second terminal each include a hook connected to one of the plurality of coils and wherein the hook protrudes from the guiding tab, wherein the first terminal extends in an axial direction of the motor and wherein the hook is radially outward of the first terminal.


US Pat. No. 11,114,926

ELECTROMAGNETIC ENERGY CONVERTER


1. An electromagnetic device comprising:a conductive coil comprising first and second ends, and extending along a main axis XX?,
a main magnet held by holding means in an internal volume V formed by the conductive coil, the holding means allowing rotational movement of said main magnet about an axis YY?, perpendicular to the main axis XX?, between two positions of stable equilibrium called, respectively, a first position of equilibrium and a second position of equilibrium, and
first and second actuator magnets disposed, respectively, facing the first end and the second end, each having a magnetic polarity in a plane perpendicular to the axis YY?, the first and second actuator magnets being arranged to be driven in translation simultaneously in the same way and parallel to the main axis XX? once a force is exerted on either of the first and second magnets, the sliding of the first and second magnets according to either of the ways defined by the direction of the main axis XX? being adapted to force the main magnet to adopt, respectively, the first position of equilibrium or the second position of equilibrium.

US Pat. No. 11,114,925

GROUPED TOOTH ELECTRIC MOTOR

Arm Limited, Cambridge (...


7. A method comprising:generating a first electromagnetic force of a first magnitude on a first stator tooth of a stator of an electric motor;
generating a second electromagnetic force of a second magnitude less than the first magnitude on a second stator tooth on the stator adjacent to the first stator tooth,
wherein the first electromagnetic force provides a torque to one or more non-uniformly angularly spaced rotor teeth of a rotor of the electric motor,
decreasing the first magnitude to yield a third magnitude; and
increasing the second magnitude of the second electromagnetic force to yield a fourth magnitude, wherein the third magnitude is approximately half the fourth magnitude.

US Pat. No. 11,114,924

SQUIRREL-CAGE ROTOR FOR AN ASYNCHRONOUS MACHINE

VITESCO TECHNOLOGIES GMBH...


1. A squirrel-cage rotor for an asynchronous machine, the squirrel-cage rotor comprising:a first shaft journal comprising a first shaft journal bearing surface;
a second shaft journal comprising a second shaft journal bearing surface;
a laminated rotor core; and
a filler body cast onto the laminated rotor core connecting the filler body and the laminated rotor core in a rotationally fixed manner;
wherein the filler body is connected to the shaft journal bearing surfaces in a rotationally fixed manner and a torque applied to the shaft journals is transmitted to the laminated rotor core;
wherein the filler body comprises three spokes extending in a radial direction;
each of the three spokes includes two respective threaded bores at opposing ends; and
the first shaft journal bearing surface is attached to the laminated rotor core by three screws fastened into the threaded bores of the three spokes at a first end of the laminated rotor core and the second shaft journal bearing surface is attached to the laminated rotor core by three screws fastened into the threaded bores of the three spokes at a second end of the laminated rotor core.

US Pat. No. 11,114,923

BENDING-FORMING JIG

TOYOTA JIDOSHA KABUSHIKI ...


1. A bending-forming jig configured to bend and form a protruding portion of a leg portion of a U-shaped conductor in a circumferential direction, the U-shaped conductor inserted in slots of a stator core, the protruding portion protruding from an axial end surface of the stator core, the bending-forming jig comprising:an annular ring portion; and
a claw portion that protrudes in the axial direction from an axial end surface of the ring portion, wherein
the claw portion comprisesa first abutting surface directed in the circumferential direction that rises in the axial direction from the axial end surface of the ring portion and is configured to abut against a tip portion of the protruding portion from the circumferential direction when the protruding portion is bent and formed, and

a projecting portion that projects, at a tip end of the claw portion, in the circumferential direction from the first abutting surface and is configured to abut against the tip portion of the protruding portion from the axial direction toward the axial end surface of the ring portion when the protruding portion is bent and formed.

US Pat. No. 11,114,922

ROTOR FOR AN ELECTRIC MOTOR OR GENERATOR

Protean Electric Limited


1. A rotor for an electric motor or generator, the rotor comprising a housing having a first surface on which a first set of magnets is mounted; and an annular clamping ring for retaining a second set of magnets to a second surface of the housing, wherein the position of the second set of magnets on the second surface allows the position of the first set of magnets to be determined, wherein the annular clamping ring includes a mounting point for allowing the annular clamping ring to be mounted to the housing for retaining the second set of magnets to the second surface, wherein the cross sectional area of the annular clamping ring is reduced in a region adjacent to the mounting point, wherein the annular clamping ring is mounted over the second set of magnets, and wherein the mounting point is an aperture, wherein a retaining element is inserted through the mounting aperture for retaining the annular clamping ring to the rotor housing.

US Pat. No. 11,114,921

VEHICLE DRIVE DEVICE FOR LUBRICATION A POWER TRANSMISSION AND COOLING A ROTATING ELECTRIC MACHINE

TOYOTA JIDOSHA KABUSHIKI ...


1. A vehicle drive device comprising:a rotating electric machine;
a power transmission mechanism transmitting a rotational drive power between the rotating electric machine and a plurality of wheels;
a casing housing the rotating electric machine and the power transmission mechanism, the vehicle drive device supplying an oil stored in the casing to the power transmission mechanism and the rotating electric machine to lubricate the power transmission mechanism and to cool the rotating electric machine;
a lubricating path including a first oil pump to pump an oil stored in the casing by the first oil pump and to supply the oil to the power transmission mechanism for lubricating the power transmission mechanism;
a cooling path separated from the lubricating path and provided for the rotating electric machine, the cooling path including: (i) a second electric oil pump to pump the oil stored in the casing by the second electric oil pump to supply the oil exclusively to the rotating electric machine for cooling the rotating electric machine, (ii) an oil cooler cooling the oil to be supplied to the rotating electric machine, and (iii) a cooling pipe, which is located downstream of the oil cooler and is arranged vertically above the rotating electric machine in a housing space of the casing, into which at least a portion of the oil discharged from the oil cooler and from the second electric oil pump is introduced, and the cooling pipe includes a first discharge hole and a second discharge hole that discharges the introduced oil to the rotating electric machine; and
a controller configured to control the second electric oil pump to supply oil to the rotating electric machine only when a temperature of a stator core of the rotating electric machine is greater than a predetermined temperature threshold value.

US Pat. No. 11,114,920

POWER GENERATOR

HONDA MOTOR CO., LTD., T...


1. A power generator in which an alternator driven by an engine to generate power, an inverter for the alternator, a fan to cool the engine, and a shroud via which air blown by the fan is guided to a periphery of the engine are stored inside of a casing, whereina fan cover that covers the alternator and the fan is provided in an end portion of the shroud, a ventilating opening is formed in an end portion of the fan cover, and an inverter supporter in which the inverter is installed is provided in a circumferential edge portion of the ventilating opening, wherein
the fan cover is made of a metal having thermal conductivity,
the inverter includes a substrate and an element mounted on the substrate,
the inverter supporter is made of a metal having thermal conductivity, and is provided in the circumferential edge portion of the ventilating opening,
the inverter supporter includes a support plate that is provided outside the ventilating opening, and that extends in a direction orthogonal to an output shaft of the engine, and
the inverter is installed such that the substrate abuts on the support plate.

US Pat. No. 11,114,919

ACTUATOR

JOHNSON ELECTRIC INTERNAT...


1. An actuator comprising:an actuator housing having an inside surface defining a stator-receiving portion, the stator-receiving portion comprising a rotor support element, and a plurality of stator-abutment projections which are spaced-apart about the rotor support element, the plurality of stator-abutment projections being integrally formed with the inside surface; and
a stator having a plurality of locator recesses which are abuttably engagable with the plurality of stator-abutment projections when the stator is received at the stator-receiving portion of the actuator housing to locate the stator relative to the actuator housing,
each said stator-abutment projection comprises a central support and a locator head extending laterally from the central support, and a rotor-facing surface of each the locator heads towards the rotor support element, and the rotor-facing surface of each locator head contacts a rotor-proximate inner surface of the locator recess when the stator is received at the stator-receiving portion.

US Pat. No. 11,114,918

DIFFERENTIAL DRIVE

Corindus, Inc., Waltham,...


1. A differential drive for manipulating an elongated percutaneous device comprising:a drive mechanism configured to provide rotational and linear movement to the elongated percutaneous device, the drive mechanism including a unitary platform rotatably supported by a support and a linear drive operatively coupled to the unitary platform;
a first motor operatively rotating the unitary platform relative to the support and moving a portion of the linear drive relative to the unitary platform;
a second motor operatively rotating the unitary platform relative to the support and moving a portion of the linear drive relative to the unitary platform, wherein the unitary platform operatively rotated by the first motor is the same unitary platform operatively rotated by second motor; wherein the linear drive includes at least one drive member operatively connected to the first motor and the second motor; the linear drive includes at least one pair of a drive member and a driven member biased toward the drive member, where the elongated percutaneous device is positioned between the drive member and the driven member; and the drive member is a roller wheel operatively connected to a gear in a gear chain operatively coupled to the first motor and to the second motor.

US Pat. No. 11,114,917

ELECTRIC MOTOR ROTOR FOR HYBRID MODULE


1. An electric motor rotor for a hybrid module comprising:a rotor carrier comprising:a first inner circumferential surface comprising an inner spline for receiving a first plurality of clutch plates;
a second inner circumferential surface, radially outside of the first inner circumferential surface;
a radial wall connecting the first inner circumferential surface to the second inner circumferential surface; and
a groove comprising a conical wall;

a piston carrier including a radial outer ring installed between the groove and the radial wall; and
a tapered snap ring installed in the groove and urging the piston carrier into contact with the radial wall.

US Pat. No. 11,114,916

AXIAL GAP-TYPE ROTARY ELECTRIC MACHINE AND METHOD FOR PRODUCING SAME

Hitachi Industrial Equipm...


1. A method for manufacturing an axial gap type rotating electric machine including:a stator in which a plurality of core units each having a magnetic flux surface in a rotation shaft direction are arranged annularly around a rotational axis; a rotor that faces the magnetic flux surface of the stator in an axial direction; a housing having an inner cylindrical space for storing the stator; wherein the housing has an annular thick portion along a part of the inner periphery of the inner cylinder space with a predetermined thickness toward an axial center along the inner periphery, and a mold resin covering a part or a whole of the stator and integrally connecting the stator and the inner periphery of the inner cylindrical space, the method comprising:
an arranging step of arranging the stator in the inner cylinder space at a position including an axial width of the stator within an axial width of the thick portion;
a seal member arranging step of arranging an annular seal member so as to face an axial end portion of the thick portion, the seal member having an inner diameter substantially coinciding with an inner diameter of the axial end portion of the thick portion and having a shape changing in a radial direction by pressing from the axial direction;
a pressing step of inserting the resin mold having an outer diameter larger than an inner diameter of the thick portion from an axial opening of the inner cylinder space and pressing the seal member against the axial end portion; and
a sealing step of sealing the mold resin from a resin sealing port of the resin mold on the stator side and integrally molding the stator and the inner periphery of the thick portion.

US Pat. No. 11,114,915

INTEGRATED ROTOR YOKE

ZF Active Safety US Inc.,...


1. A rotor yoke comprising:a casing attachment ring configured to connect the rotor yoke to one of a magnet casing or a magnet carrier of a motor connected to an output shaft of the motor so that the rotor yoke is spaced from the output shaft;
a sensor ring axially spaced from the casing attachment ring; and
an over-molded body axially extending between the casing attachment ring and the sensor ring;
wherein the over-molded body couples the sensor ring to the casing attachment ring so that the casing attachment ring connects the sensor ring to the one of the magnet casing or magnet carrier.

US Pat. No. 11,114,914

MOTOR

DMG MORI CO., LTD., Yama...


1. A motor comprising:a stator core includinga ring-shaped yoke portion, and
a plurality of teeth portions extending from the yoke portion in a radial direction and provided at intervals in a circumferential direction defining slots between adjacent teeth portions in the circumferential direction;

a first coil provided adjacent to the yoke portion in the radial direction and wound around the teeth portion; and
a second coil provided adjacent to the first coil in the radial direction and wound around the teeth portion,
the first coil and the second coil not coinciding in position with each other as seen in an axial direction of the stator core,
the first coil and the second coil respectively including a first coil end portion and a second coil end portion protruding from an end face of the stator core in the axial direction and being curved generally in a U-shape on the end face of the stator core,
the first coil and the second coil respectively including a first coil intermediate portion and a second coil intermediate portion extending linearly in one of the slots in the axial direction, the first coil intermediate portion and the second coil intermediate portion being disposed in different slots,
the first coil end portion and the second coil end portion respectively including a first facing portion and a second facing portion facing each other in the radial direction, the first facing portion facing an inner side of the stator core in the radial direction and the second facing portion facing an outer side of the stator core in the radial direction, and
the motor further comprising an out-slot insulator interposed at least between the first facing portion and the second facing portion, the out-slot insulator being provided on one of the first coil end portion and the second coil end portion and the other of the first coil end portion and the second coil end portion being exposed with no out-slot insulator.

US Pat. No. 11,114,913

ROTATING ELECTRIC MACHINE

Mitsubishi Electric Corpo...


1. A rotating electric machine comprising a stator,the stator including:a stator core having an annular shape, which has a plurality of slots formed in a circumferential direction of the stator core; and
a stator winding mounted to the stator core,

wherein the stator winding includes a plurality of coils formed by distributed winding, each being made of a conductor that is insulation-coated,
wherein each of the plurality of coils includes:2X (X is a natural number equal to or larger than 1) slot insertion portions inserted into the slots;
(2X-1) turn portions configured to connect the 2X slot insertion portions alternately on one axial end side and another axial end side of the stator core to continuously couple the 2X slot insertion portions;
radially inner-side terminals, each extending from the slot insertion portion located at one end of the continuously coupled slot insertion portions; and
radially outer-side terminals, each extending from the slot insertion portion located at another end of the continuously coupled slot insertion portions,

wherein the radially inner-side terminals extend from radially innermost positions in the slots in a one-by-one manner,
wherein the radially outer-side terminals extend from radially outermost positions in the slots in a one-by-one manner,
wherein the 2X slot insertion portions are respectively inserted into the slots so as to be arranged in one row in a radial direction of the stator core,
wherein a first terminal and a second terminal extend from two of the slots, which are separate from each other in the circumferential direction, and a third terminal extends from one of the slots, which is located between the two slots, the first terminal, the second terminal, and the third terminal each being any one of the radially inner-side terminal and the radially outer-side terminal,
wherein the first terminal and the second terminal are connected to each other with use of a bus bar; and
wherein the bus bar has:a first end portion to be connected to a distal end portion of the first terminal;
a second end portion to be connected to a distal end portion of the second terminal; and
an interconnecting portion configured to couple the first end portion and the second end portion to each other, which is arranged in the circumferential direction on the stator core side of the first end portion and the second end portion so as to pass on the slot side of the third terminal.


US Pat. No. 11,114,912

ROTATING ELECTRIC MACHINE

DENSO CORPORATION, Kariy...


1. A rotating electric machine comprising:a stator that includes a stator core that has a circular cylindrical shape and is provided with a plurality of slots that are arranged in a circumferential direction, and a stator winding that comprises a plurality of phase coils that are wound around the slots; and
a rotor that is arranged so as to oppose the stator in a radial direction and has a plurality of magnetic poles in the circumferential direction, wherein
each phase coil is configured such that a first end is connected to an external terminal, a second end is connected to a neutral point, and 2n (n being a natural number) circling coils are arranged so as to circle the stator core and connected in series, and
a neutral-point-side coil is housed in a first slot in which a terminal-side coil is housed, wherein: the terminal-side coil is a circling coil that is arranged on the external-terminal side of a first phase coil among the phase coils; the neutral-point-side coil is a circling coil that is arranged on the neutral-point side of a second phase coil among the phase coils; and the second phase coil is different in phase from the first phase coil.

US Pat. No. 11,114,911

BRUSHLESS MOTOR AND STATOR THEREOF

Shenzhen Tuowei Automotiv...


1. A stator of a brushless motor, comprising:a stator core comprising a plurality of teeth arranged in a circumferential direction thereof, a slot being formed between any adjacent two teeth; and
a plurality of phases of windings wound on the teeth and received in corresponding slots, each phase of winding comprising two leading terminals, adjacent leading terminals of any adjacent two phases of windings extending into or out of the same slot,
wherein each phase of winding further comprises a bridge wire located outside of the slots, a coil unit connected between one of the two leading terminals and an end of the bridge wire, and another coil unit connected between the other of the two leading terminals and the other end of the bridge wire;
wherein the plurality of phases of windings comprises a first phase of winding, a second phase of winding and a third phase of winding which are connected as a triangle;
wherein the stator core comprises twelve teeth and twelve slots arranged alternately in the circumferential direction thereof, each of the coil units comprising two coils wound on two adjacent teeth respectively;
wherein the first phase winding comprises a first leading terminal and a second leading terminal, the second phase winding comprises a third leading terminal and a fourth leading terminal, the third phase winding comprises a fifth leading terminal and a sixth leading terminal, the first and the sixth leading terminals extending into and out of a first same slot respectively, the second and the third leading terminals extending into and out of a second same slot respectively, and the fourth and the fifth leading terminals extending into and out of a third same slot respectively;
wherein the twelve teeth comprises the first to the twelfth tooth, the plurality of phases of windings comprises the first to the sixth coil units each of which comprises two coils, two coils of the first coil unit wound on the first and second tooth respectively, two coils of the second coil unit wound on the seventh and eighth tooth respectively, two coils of the third coil unit wound on the fifth and sixth tooth respectively, two coils of the fourth coil unit wound on the eleventh and twelfth tooth respectively, two coils of the fifth coil unit wound on the ninth and tenth tooth respectively, and two coils of the sixth coil unit wound on the third and fourth tooth respectively; and
wherein the first leading terminal and the sixth leading terminal respectively extend into and out of one of the slots located between the second and third teeth, the second and third leading terminals respectively extend into and out of one of the slots located between the sixth and seventh teeth, and the fourth and the fifth leading terminals respectively extend into and out of one of the slots located between the tenth and eleventh teeth.

US Pat. No. 11,114,910

METHOD FOR MANUFACTURING AN ARMATURE FOR AN EC MOTOR


1. A method for manufacturing an armature for an EC motor, the method comprising:providing an armature shaft;
providing an armature core having pockets for accommodating at least one permanent magnet;
providing a balance ring on at least one axial end of the armature core;
fixing the permanent magnet in a pocket of the armature core;
placing the balance ring on an end of the armature core;
inserting the armature shaft, the armature core, and the at least one balance ring into a casting mold centered relative to each other, such that the balance ring abuts the axial end of the armature core;
closing the casting mold;
feeding casting compound under pressure into a gap between the armature core and the pocket having the permanent magnet via a sprue in the form of a gap between the balance ring and the armature shaft;
curing the casting compound; and
removing the armature from the casting mold.

US Pat. No. 11,114,909

MOTOR

DENSO CORPORATION, Aichi...


1. A motor comprising:a stator including windings; and
a rotor rotated by a rotational magnet field generated when drive currents are supplied to the windings,
wherein the windings include a first winding and a second winding, in which the first winding and the second winding are synchronously excited by a drive current and connected in series;
the rotor includes
first pole, and
second pole that opposes the second winding at a rotation position of the rotor where the first pole opposes the first winding, wherein the second pole applies a weaker magnetic force to the stator than the first pole;
the first and second poles each include a permanent magnet;
an outer circumferential surface of the second pole is located radially inward from an outer circumferential surface of the first pole;
an inner circumference of the permanent magnet forms an arc about an axis, which is a rotational axis of the rotor,
the axis, which is a center of the inner circumference of the permanent magnet is located at the same position as an axis, which is a center of an outer circumference of the permanent magnet, and
an absolute value of an extremum of a sum of flux linkage in a plurality of windings connected in series in each phase that changes with the rotation of the rotor is equal in all phases.

US Pat. No. 11,114,908

ROTOR FOR ELECTRIC MOTOR, ELECTRIC MOTOR AND COMPRESSOR

ANHUI MEIZHI COMPRESSOR C...


1. A rotor for an electric motor, comprising:a rotor core having a circular cross section, wherein the circular cross section defines a central axis of the rotor, the rotor core comprising:a shaft hole, wherein the shaft hole is circular and has a center; and
four magnet grooves equally-spaced around a circumference of the shaft hole, both ends of each magnet groove being provided with a magnetic isolation slot in communication with the magnet groove, a magnetic isolation bridge being defined between two adjacent magnetic isolation slots; and

four permanent magnets each provided in a corresponding magnet groove, a shape of each magnet matching a shape of the corresponding permanent magnet groove, each permanent magnet comprising a first surface and a second surface arranged opposite each other in a radial direction of the rotor core, the second surface being radially approximate to the shaft hole,
wherein, when viewed from a projection surface that is perpendicular to the central axis of the rotor, the first surface comprises an arc segment, when viewed from the projection surface, the second surface comprises a plurality of straight segments connected sequentially, with an angle between two adjacent straight segments,
wherein a thickness H of each permanent magnet on a corresponding magnetic pole centerline, a length L of the second surface projected on the projection surface, and a radius R of the rotor core satisfy the following relationships: 0.24?H/R?0.26 and 1.07?L/R?1.11, wherein the magnetic pole centerline is a line connecting the center of the shaft hole and a center of an imaginary circle that contains the arc segment.

US Pat. No. 11,114,907

MOTOR ROTOR ASSEMBLY AND METHOD OF ALIGNING POLE CENTER OF PERMANENT MAGNET THEREOF

LG ELECTRONICS INC., Seo...


1. A motor rotor assembly comprising:a permanent magnet including a plurality of disc type magnet units which have center holes and are segmented in an axial direction;
a first shaft and a second shaft coupled to both end portions of the permanent magnet;
a rod which protrudes from a center of the first shaft in the axial direction, is coupled to a center of the second shaft, and passes through the center hole of each of the plurality of disc type magnet units to assemble the permanent magnet, the rod including a reference guide at a portion of the rod on which at least one disc type magnet unit among the plurality of disc type magnet units is fixed and the remaining disc type magnet units rotatable on the remaining portions of the rod; and
a sleeve which surrounds an outer circumferential surface of the permanent magnet and fixes the permanent magnet to the first and second shafts,
wherein, when the plurality of disc type magnet units are assembled, the plurality of disc type magnet units are formed to have a small amount of magnetic force relative to a preset maximum magnetic force, such that pole centers of the disc type magnet units adjacent to each other are aligned to each other due to an attractive force and a repulsive force therebetween, and
after the assembly, the plurality of disc type magnet units are fully magnetized to have the preset maximum magnetic force, such that polarities of the disc type magnet units, which are adjacent to each other, are formed to be the same.

US Pat. No. 11,114,906

STATOR IN AN ELECTRIC MOTOR


1. A stator in an electric dosing pump motor for drug delivery systems, the stator comprising;a plurality of laminated stator pole cores having first and second ends;
a printed circuit board with contact recesses;
a plurality of individual coils having wire ends, each coil being wound on one of the laminated stator pole cores;
first insulation caps provided at the first end of each stator pole core;
a plurality of the first insulating caps having a star-point baffle and the star-point baffle being positively or non-positively connected to the first insulating caps, wherein, in the contact recesses, the plurality of the first insulating caps are perforated, serrated, or provided with at least one notch;
second insulation caps provided at the second end of each stator pole core;
terminal connection contacts provided on the first insulation caps for bringing the individual coils into contact with the printed circuit board, the wire ends being electrically connected to the terminal contacts, wherein the terminal connection contacts are press-fitted into the contact recesses of the printed circuit board, so that the length tolerance between the first axial end of a stator pole core and one end of the associated terminal contact at the first axial end of the stator pole core is substantially less than the length tolerance of the stator pole core; and
the star-point baffle has balancing bridges with tolerance compensation contours, wherein the length of the balancing bridges along these tolerance compensation contours is greater than the bridged linear distance between adjacent contact points of the winding wire ends at the star-point baffle.

US Pat. No. 11,114,905

PRIMARY ASSEMBLY FOR USE IN A WIRELESS POWER TRANSMISSION SYSTEM, POSITIONING SYSTEM, AND METHOD OF DETERMINING A DISTANCE BETWEEN A PRIMARY ASSEMBLY AND A SECONDARY ASSEMBLY

TDK CORPORATION, Tokyo (...


1. A primary assembly for a wireless power transmission system, the primary assembly comprising:a first antenna;
a second antenna; and
a third antenna,
wherein the first antenna is configured to determine a first distance between the first antenna and a circuit component of a secondary assembly for the wireless power transmission system,
wherein the second antenna is configured to determine a second distance between the second antenna and the circuit component of the secondary assembly, and
wherein the third antenna is configured to determine a third distance between the third antenna and the circuit component of the secondary assembly.

US Pat. No. 11,114,904

DETECTION OF OBJECT LOCATION AND ORIENTATION ON A WIRELESS CHARGE MAT

Apple Inc., Cupertino, C...


1. A wireless charging mat configured to wirelessly transmit power to an electronic device having a housing with non-charging structural features, comprising:an enclosure having an upper surface configured to receive the electronic device;
a set of transmit coils configured to wirelessly transmit power to the electronic device on the upper surface; and
a detection system configured to:detect positions of the non-charging structural features of the housing of the electronic device relative to the upper surface, wherein the non-charging structural features include first and second resonant structures configured to resonate respectively at first and second distinct frequencies; and
determine a location and an orientation of the electronic device relative to the upper surface based on the detected positions.


US Pat. No. 11,114,903

WIRELESS POWER SYSTEMS WITH CONCURRENTLY ACTIVE DATA STREAMS

Apple Inc., Cupertino, C...


1. A wireless power transmitting device with a charging surface configured to receive at least one wireless power receiving device, the wireless power transmitting device comprising:a coil;
wireless power transmitting circuitry coupled to the coil and configured to transmit wireless power signals with the coil; and
control circuitry configured to convey data packets using the coil, wherein each of the data packets has a stream header that identifies a corresponding data stream associated with that data packet.

US Pat. No. 11,114,902

DEVICE AND METHOD FOR PERFORMING AUTHENTICATION IN WIRELESS POWER TRANSFER SYSTEM

LG ELECTRONICS INC., Seo...


1. A wireless power transmitter comprising:a power converter configured to transfer wireless power to a wireless power receiver by using magnetic coupling between the wireless power transmitter and the wireless power receiver; and
a controller configured to control the wireless power and to perform transmission or reception of data based on communication with the wireless power receiver,
wherein the controller receives, from the wireless power receiver in a negotiation phase or a power transfer phase, a received power packet (RPP) including a value of power received by the wireless power receiver, transmits a bit pattern requesting the wireless power receiver for the wireless power transmitter-to-the wireless power receiver data transmission in response to the RPP, receives a response packet from the wireless power receiver in response to the bit pattern, and transmits a data stream to the wireless power receiver,
wherein the data stream includes a plurality of auxiliary data transport (ADT) data packets, and each ADT data packet includes a header, and
wherein, based on that the controller receives a not acknowledge (NAK) in response to a previous ADT data packet from the wireless power receiver, the controller retransmits the previous ADT data packet including the header indicating the retransmission of the previous ADT data packet.

US Pat. No. 11,114,901

CRADLE DEVICE HAVING WIRELESS CHARGING FUNCTION

CNA CO., LTD., Suwon-si ...


1. A cradle device comprising:a holder part configured to hold a mobile terminal;
a wireless charging module provided in the holder part, and comprising a transmitter coil, a switching unit configured to switch connection paths between an external power supply and the transmitter coil, and a controller configured to control the switching unit; and
an NFC tag coupled to the wireless charging module, the NFC tag storing NFC tag information,
wherein the controller controls the switching unit to be turned on upon receiving a tag recognition signal from the NFC tag,
wherein the tag recognition signal is an induced electromotive force signal generated from an antenna of the NFC tag in response to an RF signal transmitted from a tag recognition unit of the mobile terminal, wherein the tag recognition unit of the mobile terminal is controlled such that an NFC tag reader function is selectively turned on by user setting to generate the RF signal and read the NFC tag information stored in the NFC tag,
wherein the cradle device further comprises, at one side of the holder part, a seating recognition unit configured to recognize whether or not the mobile terminal is seated through a pressure sensor for checking a load of the mobile terminal,
wherein after the switching unit is controlled to be turned on, when the tag recognition signal is not transmitted from the NFC tag, and the seating recognition unit recognizes that the mobile terminal is not seated, the controller controls the switching unit to be turned off, and
wherein after the switching unit is controlled to be turned on, when the tag recognition signal is not transmitted from the NFC tag, the controller controls the switching unit to be turned off after a predetermined period of time.

US Pat. No. 11,114,900

WIRELESS POWER TRANSFER VIA AN INTERMEDIATE DEVICE

Koninklijke Philips N.V.,...


1. A method for a device that provides a power transfer to an electromagnetic load from a power transmitter by inductive coupling to the power transmitter and the electromagnetic load, the method comprising:transmitting a request message from the device to the power transmitter,wherein the request message comprises a request for the power transmitter to generate a measurement electromagnetic signal;

determining a load indication that is indicative of a loading of the measurement electromagnetic signal by the electromagnetic load;
detecting a presence of the electromagnetic load in response to the load indication; and
transmitting subsequent messages from the device to the power transmitter to adapt an operation of the wireless power transfer system in response to the detection of the presence of the electromagnetic load.

US Pat. No. 11,114,899

WIRELESS SYSTEM FOR IMPROVING PERFORMANCE AND PROLONGING BATTERY LIFETIME OF NODE BY ENERGY HARVESTING

Indian Institute of Techn...


1. A wireless system for improving performance and prolonging battery lifetime of a node by energy harvesting, the wireless system comprising:at least a source node configured to provide RF signals;
at least a destination node configured to receive the RF signals transmitted from the source node;
a relay in communication with the source node and the destination node, where the source node is configured for communicating with the destination node via the relay for a Time “T”, where the Time “T” has a first signaling phase, a second signaling phase, and a third signaling phase, the relay comprising:an energy harvesting unit comprising an energy storage element, configured for harvesting an energy from the source node in the first signaling phase and storing the energy in the energy storage element;
an information processing unit configured for decoding the RF signal received from the source node in the second signaling phase and transferring the decoded RF signal to the destination node;
a battery energy control unit having a battery, configured for controlling an amount of energy to be withdrawn from the battery;
a central controlling unit in communication with the energy harvesting unit, the battery energy control unit, and the information processing unit, configured for optimizing a fraction of Time “T” apportioned to the first signaling phase for optimizing harvested energy stored via the energy harvesting unit and for transferring the decoded RF signal from the information processing unit to the destination node in the third signaling phase with (i) the harvested energy from the energy harvesting unit augmented with (ii) energy withdrawn from the battery via the battery energy control unit.


US Pat. No. 11,114,898

DEVICE AND METHOD FOR SUPPORTING IMPROVED COMMUNICATION SPEED IN WIRELESS POWER TRANSMISSION SYSTEM

LG Electronics Inc., Seo...


1. A method for transmitting data and wireless power by a wireless power transmitter, comprising:generating the wireless power at an operating frequency;
setting the number n of cycles per bit used to transmit one bit at the operating frequency;
aligning each bit of the data to the n cycles;
transitioning the operating frequency between differential bi-phases depending on values of each bit for the n cycles; and
transmitting the wireless power to a wireless power receiver based on magnetic coupling at the transitioned operating frequency.

US Pat. No. 11,114,897

WIRELESS POWER TRANSMISSION SYSTEM ENABLING BIDIRECTIONAL ENERGY FLOW

WiTricity Corporation, W...


1. A wireless power transmission system enabling bidirectional energy flow, the system comprising:a device resonator mounted to a vehicle, the device resonator capable of (i) receiving first power wirelessly from a first source resonator of a first source via a first electromagnetic field generated by the first source resonator to provide the first power to an energy storage device of the vehicle and (ii) transferring second power wirelessly to a second source resonator via a second electromagnetic field generated by the device resonator to provide the second power to a second source; and
power and control circuitry coupled to the device resonator to control a direction of flow of the first power or the second power, including a first direction of flow via the first electromagnetic field during a first time period and a second direction of flow via the second electromagnetic field during a second time period, the power and control circuitry comprising a processor configured to monitor a state of the power and control circuitry corresponding to the direction of flow.

US Pat. No. 11,114,896

WIRELESS POWER SYSTEM MODULES

WiTricity Corporation, W...


1. A wireless power system module, comprising:a first inductive element comprising first and second terminals;
a first capacitive element connected to the first terminal;
a second capacitive element connected to the second terminal;
a third capacitive element connected to the first and second capacitive elements to form a first conductive path between the first and third capacitive elements; and
a first reactance element connected to the first conductive path,
wherein during operation of the module, the first inductive element is configured to wirelessly transfer or receive power by generating or receiving an oscillating magnetic field.

US Pat. No. 11,114,895

PINLESS POWER COUPLING

POWERMAT TECHNOLOGIES, LT...


1. An inductive power transfer system comprising:a power-outlet positioned on a side of a surface layer, the power-outlet comprising:at least one primary coil;
a driver for driving the at least one primary coil;
an electromagnetic radiation receiver; and
a secondary unit positioned on an opposite side of the surface layer, wherein the secondary unit is used to supply power to a load and comprising:at least one secondary coil used to receive power transmitted by the at least one primary coil; and
an electromagnetic radiation transmitter configured to transmit to the electromagnetic radiation receiver a modulation signal that is based at least in part on monitoring said power to the load; and
wherein the modulation signal provides at least one indication of alignment of the at least one secondary coil with respect to the at least one primary coil and to regulate a duty-cycle of the driver.



US Pat. No. 11,114,894

APPARATUS SYSTEM AND METHOD OF WIRELESS ROBOT CHARGING

Sony Interactive Entertai...


1. A charging apparatus for wireless charging of one or more robotic devices, comprising:a power transmitting unit comprising a plurality of conducting wires each configured to carry a respective alternating current signal and to generate a time-varying magnetic flux when the conducting wire carries the alternating current signal;
a processor configured to detect a presence or an absence of an induction coil of a robotic device within a predetermined distance of a conducting wire and to generate control data based on the result of the detection; and
a control unit configured to control at least one of an amplitude and a frequency of each respective alternating current signal supplied to each of the conducting wires based on the control data, wherein the control unit is configured to increase at least one of an amplitude and a frequency of an alternating current signal supplied to a conducting wire in response to control data indicating the presence of the induction coil within the predetermined distance of the conducting wire, wherein:
the plurality of conducting wires comprises one or more planar tiles configured to be connected to one or more other planar tiles when arranged on substantially the same plane,
each planar tile comprises at least a portion of at least a first conducting wire extending in a first direction and at least a portion of at least a second conducting wire extending in a second direction, and
each planar tile comprises circuitry having either a first configuration or a second configuration in dependence upon a number of other planar tiles connected to the planar tile.

US Pat. No. 11,114,893

SMART OUTLET SYSTEM WITH FAST FREQUENCY TRACKING FOR POWER SYSTEM FREQUENCY CONTROL USING DISTRIBUTED APPLIANCES


1. A method to control a power grid frequency, comprising:distributing a plurality of outlet devices each containing a relay over a grid;
continuously measuring the power grid frequency providing power to each of the distributed outlet devices, wherein the each of the distributed outlet devices is plugged into an outlet;
updating a value of the power grid frequency using an extended Kalman filter within the each of the distributed outlet devices at a low-voltage single-phase distribution level by determining the state transition of extended Kalman filter:xc[t+1]=cos(x?[t]/ƒs)xc[t]?sin(x?[t]/ƒs)xs[t]+?c[t],
xs[t+1]=sin(x?[t]/ƒs)xc[t]+cos(x?[t]/ƒs)xs[t]+?s[t],
x?[t+1]=x?[t]+??[t],


where ƒs is the sampling frequency; xc, xs and x? consist of the state of the extended Kalman filter; t is the time; and ?c, ?s, and ?? are the noise;determining and sending a threshold to the each of the distributed outlet devices at and by a cloud control center;
tracking a frequency change within 0.2 second or 10 cycles and enabling a fast frequency response in response to a frequency fluctuation; and
switching off the relay in the each of the distributed outlet devices that provides power to an appliance based on the result of comparing the power grid frequency with the threshold sent from the cloud control center.

US Pat. No. 11,114,892

ELECTRIC POWER SYSTEM TRANSDUCER FAILURE MONITOR AND MEASUREMENT RECOVERY

Schweitzer Engineering La...


1. A device for electric power system protection, comprising:a communication subsystem to communicate with a plurality of instrument transformers in communication with one or more components of an electric power system and to receive electric power system signals from the plurality of instrument transformers; and
a processing subsystem in communication with the communication subsystem, the processing subsystem to:evaluate the electric power system signals from the plurality of instrument transformers;
determine a deficiency in at least one electric power signal of the electric power system signals; and
when the deficiency in the at least one electric power signal is determined:calculate a value of at least one substitute electric power signal from a known relationship of a circuit in which the plurality of instrument transformers are connected using at least some of the electric power system signals from the plurality of instrument transformers; and
provide the calculated value of the at least one substitute electric power signal of the electric power system signals to a protection device to determine if a protective action by the protection device of the electric power system is warranted.



US Pat. No. 11,114,891

SELF-AWARE SOFTWARE DEFINED DIGITAL POWER SUPPLY

SOFTIRON LIMITED, Southa...


1. A power supply system for connecting a DC consumer to an AC supply comprising:an interface to a device driver that communicates with the power supply system;
an AC-DC converter having an input to which alternating current from the AC supply is applied and an output at which DC current is developed; and
a UPS having an input to which direct current from the AC-DC converter is applied and an output at which DC current is developed;
wherein DC current developed at the output of the AC-DC converter and the DC current developed at the output of the UPS are applied to the DC consumer selectively in parallel with each other or exclusively to each other;
wherein the AC-DC converter is switched on and off and the DC current developed at the output of the UPS is applied to the DC consumer; and
wherein:if the device driver is not authenticated, the DC current is turned off:
use of the AC-DC converter and use of the UPS is controlled based on a communication generated by the DC consumer; and
the communication generated by the DC consumer is based upon information provided to the DC consumer about operation of the UPS or the AC-DC converter.


US Pat. No. 11,114,890

DC UNINTERRUPTIBLE POWER SUPPLY APPARATUS WITH BIDIRECTIONAL PROTECTION FUNCTION

Delta Electronics, Inc., ...


1. A DC uninterruptible power supply apparatus with bidirectional protection function configured to receive a DC power source and supply power to a DC load, the DC uninterruptible power supply apparatus comprising:a first loop configured to receive the DC power source and supply power to the DC load,
a second loop configured to receive the DC power source and convert the DC power source into an energy-storing power source to charge an energy-storing unit, the second loop comprises:a second path blocking component coupled to the DC power source, and
a charging unit comprising a power switch, the power switch coupled to the second path blocking component,

a third loop coupled to the first loop and the energy-storing unit, and the energy-storing unit configured to provide a backup power source to the DC load through the third loop and the first loop, and
a control unit configured to control the first loop, the second loop, and the third loop to be connected or disconnected for correspondingly providing a first protection mechanism, a second protection mechanism, and a third protection mechanism, the control unit configured to control switching the power switch to convert the DC power source into the energy-storing power source,
wherein the first protection mechanism provides protection when the DC power source is reversely connected, the DC load is reversely connected, the DC power source is short circuit to ground, or the DC load is short circuit to ground, the second protection mechanism provides protection when the second loop occurs a first abnormal condition, and the third protection mechanism provides protection when the third loop occurs a second abnormal condition, and
wherein when the first abnormal condition occurs including the DC power source is reversely connected or the DC power source is short circuit to ground, the second loop is disconnected; when the charging unit activates a self-protection mechanism, the control unit is configured to control the power switch to be turned off.

US Pat. No. 11,114,889

ELECTRONIC CIRCUIT FOR REDUNDANT SUPPLY OF AN ELECTRIC LOAD

Aptiv Technologies Limite...


1. An electronic circuit for redundant supply of an electric load, comprising:a plurality of terminals including at least a first terminal, a second terminal and at least one third terminal, wherein:
the first terminal is configured to be connected to a first energy source for primary supply of the electric load;
the second terminal is configured to be connected to a second energy source for secondary supply of the electric load; and
the at least one third terminal is configured to be connected to the electric load;
a plurality of electrical components interposed between the first terminal, the second terminal and the at least one third terminal, the plurality of electrical components being configured to:
enable power flow from either the first terminal or the second terminal to the at least one third terminal in dependence of an erroneous supply state for the electric load;
detect an erroneous supply state at the first terminal;
connect the first terminal to the at least one third terminal in order to enable power flow from the first terminal to the at least one third terminal; and
disconnect the second terminal from the first terminal and the at least one third terminal in order to disable power flow from the second terminal to the first terminal and the at least one third terminal when the erroneous supply state is not detected at the first terminal.

US Pat. No. 11,114,888

POWER SUPPLY DEVICE

YAZAKI CORPORATION, Toky...


1. A power supply device comprising:a main power supply that supplies power to a load unit;
a sub-power supply that is a power supply different from the main power supply and supplies power to the load unit;
a main power supply path that is connected to the main power supply;
a sub-power supply path that is a power supply path different from the main power supply path and is connected to the sub-power supply;
a power supply selector that is switched between a first state where power can be supplied from the main power supply via the main power supply path to the load unit and a second state where power can be supplied from the sub-power supply via the sub-power supply path to the load unit; and
a load supply path selector that is disposed between the main power supply path and the sub-power supply path, and the load unit, and performs switching so as to connect one of the main power supply path and the sub-power supply path to the load unit and disconnect the other of the main power supply path and the sub-power supply path from the load unit according to switching of the power supply selector, wherein
the load supply path selector includes a main terminal connected to the main power supply path, a sub-terminal connected to the sub-power supply path, and one load terminal connected to the load unit, and the one load terminal is connected to one of the main terminal and the sub-terminal and the one load terminal is not connected to the other of the main terminal and the sub-terminal.

US Pat. No. 11,114,887

POWER SYSTEM FOR VERTICAL TRANSPORTATION, METHOD AND VERTICAL TRANSPORTATION ARRANGEMENTS

Kone Corporation, Helsin...


1. A power system for feeding power into a vertical transportation arrangement, the power system comprising:a first interface for connecting to a primary power source;
a second interface for connecting to a secondary power source; and
a controller configured to,determine a minimum level other than a zero level for energy available from the secondary power source based on an amount of energy needed for a rescue run of the vertical transportation arrangement, and
control feeding of power from the primary power source and the secondary power source to a motor for driving the vertical transportation arrangement such that at least some of the power used by the motor during normal operation is fed from the secondary power source while always maintaining the energy available from the secondary power source at or above the minimum level by

(i) adjusting the minimum level for the energy available from the secondary power source level based on a load of the vertical transportation arrangement and
(ii) planning trips for the vertical transportation arrangement in view of always maintaining the energy level from the secondary power source at or above the minimum level during the normal operation.

US Pat. No. 11,114,886

POWERING OR CHARGING SMALL-VOLUME OR SMALL-SURFACE RECEIVERS OR DEVICES

Mojo Mobility, Inc., Pal...


1. A system for wireless charging comprising,a charger including a charger coil generally having a substantially planar surface and a thin magnetic substantially planar layer and charger drive circuit including resonant capacitors to apply an alternating voltage to the charger coil,
a receiver, including a receiver coil and a receiver electronic circuit including one or more resonant capacitors and a rectifier, that is coupled to a mobile device for powering or charging the mobile device, wherein the receiver coil is a solenoid coil including a ferrite core with a relative magnetic permeability exceeding 1 with Litz wire wrapped around the ferrite core along the winding axis, together forming a solenoid, and the ferrite core extending beyond the ends of the wound wire section, wherein the solenoid coil is elongated such that the two ends of the solenoid coil are smaller in their cross-sectional dimensions than the length of the solenoid along the winding axis, and
wherein the charger coil area is larger than the area of each of the ends of the solenoid and the charger coil has a geometry so when it is driven by the charger drive circuit, an inductive magnetic field in a direction substantially perpendicular to the substantially planar surface of the charger coil at the surface of the charger coil is generated, and
wherein when the receiver coil is placed near the surface of the charger coil in an enclosed volume associated with the charger with the winding axis of the solenoid at an angle to the perpendicular to the surface of the charger coil, and the charger drive circuit drives the charger coil at a frequency near resonance of the circuit formed by the charger drive circuit and charger coil and the receiver electronic circuit and receiver coil when placed at the operation location and orientation, the magnetic field from the charger coil is guided through the core of the receiver coil acting as a magnetic flux guide and returns to close a magnetic loop via the charger magnetic layer to provide power transfer to the receiver.

US Pat. No. 11,114,885

TRANSMITTER AND RECEIVER STRUCTURES FOR NEAR-FIELD WIRELESS POWER CHARGING

Energous Corporation, Sa...


1. A transmitter structure for delivering wireless power, comprising:a housing;
a metallic core disposed in an opening defined by the housing; and
one or more magnets, integrated with a surface of the housing, configured to magnetically attract one or more other magnets integrated with a receiver structure in order to bring and maintain the transmitter structure and the receiver structure within a threshold distance from each other,
wherein:the transmitter structure is configured to carry one or more radio frequency (RF) signals to the metallic core when the receiver structure is within the threshold distance from the transmitter structure, and
the receiver structure is configured to receive and convert the one or more RF signals into usable energy to power an electronic device coupled to the receiver structure.


US Pat. No. 11,114,884

SENSING COIL SYSTEM

Intel Corporation, Santa...


1. A sensor system, comprising:a sensor coil comprising first and second coil portions, the first and the second coil portions being configured to generate respective first and second signals based on (i) a magnetic coupling between the first and the second coil portions and a transmission coil of a power transmitting unit (PTU), and (ii) a magnetic coupling between the first and the second coil portions and an external receiving coil; and
a sensor coupled to the sensor coil and configured to:process the generated first and second signals to reduce magnetic distortion caused by the magnetic coupling between the first and the second coil portions and the transmission coil to thereby detect the external receiving coil; and
control one or more operations of the PTU in response to the detection of the external receiving coil,

wherein the transmission coil is to be inductively coupled to a power receiving unit (PRU) coil of a PRU to cause the PRU to perform wireless charging operations.

US Pat. No. 11,114,883

METHOD FOR CONTROLLING A CHARGING DEVICE ON BOARD AN ELECTRIC OR HYBRID VEHICLE

RENAULT s.a.s., Boulogne...


1. A method for controlling a battery-charging device for a motor vehicle, the charging device comprising a rectifier stage performing a power factor correction function, including three phase connections able to be connected at the input of a single-phase or three-phase electrical power supply grid each by a serial inductance coil, and a DC-DC converter stage connected between the rectifier stage and a battery, the rectifier stage being a three-phase Vienna rectifier comprising a three-phase diode bridge and three switching arms integrated into the diode bridge, each switching arm comprising a serial assembly of a high switch able to be controlled when the current of the grid is positive and a low switch able to be controlled when the current of the grid is negative, the switching arms being interconnected at a midpoint to which a first and second bus capacitor are connected at the output of the rectifier stag, the DC-DC converter stage comprising first and second LLC resonant converters connected at the input respectively to the first and second power supply bus capacitors by first and second power supply buses and, at the output, to the battery,the method being of the type according to which the current is regulated at the input of the charging device using the three-phase Vienna rectifier, each switching arm being controlled using pulse width modulation control signals, the switching duty factor of which is determined based on the regulation of the input current,
the method comprising powering the charging device by a single phase and regulating the voltage of the first and second power supply buses independently using the first and second LLC resonant converters so as to provide a fixed regulated voltage on each of the power supply buses.

US Pat. No. 11,114,882

POWER CONVERTER

FUJI ELECTRIC CO., LTD., ...


1. A power converter, comprising:an electrical storage unit;
a plurality of power conversion units connected to one another in parallel, each of the power conversion units including:a rectifier that converts AC power from a commercial power supply into DC power,
a DC power converter that is connected to the rectifier on one end and connected to the electrical storage unit on another end and that converts the DC power from the rectifier when charging the electrical storage unit and converts DC power from the electrical storage unit when discharging the electrical storage unit, and
a current detector that detects charge current that flows from the DC power converter to the electrical storage unit as well as discharge current that flows to the DC power converter from the electrical storage unit; and

a controller that controls the respective DC power converters of the plurality of power conversion units such that when charging the electrical storage unit, only a subset of the DC power converters, not all of the DC power converters, among the respective DC power converters of the power conversion units charges the electrical storage unit,
wherein each of the plurality of power conversion units further includes an AC power converter that converts the DC power from the rectifier or DC power from the DC converter when the electrical storage unit is discharging into AC power and supplies the AC power to a load, and
wherein the controller changes a number of active DC power converters in the subset when charging the electrical storage unit on the basis of current flowing from the AC power converters to the load.

US Pat. No. 11,114,881

LOAD SWITCH CIRCUIT AND METHOD OF CONTROLLING BATTERY POWER USING THE SAME

Samsung Electronics Co., ...


1. A load switch circuit comprising:a charging transistor connected between a first switch node to which a battery voltage is applied and a second switch node to which a charging voltage is applied and configured to control a charging current in response to a charging control signal;
a current sensor connected to the first switch node and the second switch node and configured to sense the charging current to generate a current sensing signal;
a voltage sensor connected to the first switch node and the second switch node and configured to sense a source-drain voltage of the charging transistor to generate a voltage sensing signal;
a selector configured to select one of the current sensing signal and the voltage sensing signal in response to a mode signal to generate a selection voltage signal; and
a current controller configured to compare the selection voltage signal with a reference voltage to generate the charging control signal.

US Pat. No. 11,114,880

CURRENT REGULATING CIRCUIT AND POWER SUPPLY MANAGEMENT CIRCUIT INCLUDING THE SAME

ROHM CO., LTD., Kyoto (J...


1. A current regulating circuit, comprising:a first transistor used as an input, which is installed on a path through which a current to be regulated flows;
a second transistor used as an output, which is connected to the first transistor to form a current mirror circuit;
a resistor installed on a path of a current flowing through the second transistor;
a stabilizing circuit configured to match an operating point of the second transistor with an operating point of the first transistor;
a transistor controller configured to regulate a voltage to be supplied to a control terminal of the first transistor according to a current detection signal that corresponds to a voltage drop across the resistor; and
a forced-off circuit installed separately from the transistor controller and configured to turn off the first transistor if the current detection signal exceeds a predetermined threshold value,
wherein the first transistor includes a plurality of transistor elements connected in parallel and at least one of the plurality of transistor elements is configured to be switchable between an effective mode and an ineffective mode,
wherein each of the at least one of the plurality of transistor elements is controlled to be in the effective mode or the ineffective mode according to a range of the current to be regulated, and
wherein the forced-off circuit includes:a voltage comparator configured to compare the current detection signal with the predetermined threshold value and generate an off signal if the current detection signal exceeds the predetermined threshold value; and
a third transistor installed between one end of the first transistor and the control terminal of the first transistor and configured to be turned on in response to the off signal.


US Pat. No. 11,114,879

SMART CHARGING METHOD

CHEN-SOURCE INC., Taoyua...


1. A smart charging method, configured to supply a charging device with power through a power socket by using a domestic power source, wherein the charging device comprises a plurality of charging regions disposed inside thereof, and each of the charging regions comprises a plurality of sockets configured to charge a plurality of mobile electronic devices, and the charging device comprises a control circuit configured to perform automatic charging control on the mobile electronic devices plugged in the charging regions, and the smart charging method comprises:(A) turning on a power source of the charging device;
(B) waiting for a predetermined period in which an inrush current prevention circuit absorbs inrush current;
(C) by using a plurality of current sensors of the control circuit electrically connected to the inrush current prevention circuit, obtaining total current required by the all charging regions;
(D) by using a micro control unit electrically connected to the current sensors, determining whether the total current of the all charging regions is higher than a maximal current supply value;
when the total current of the all charging regions is higher than a maximal current supply value,(E) repeatedly turning on and off a plurality of overload relays disposed between the control circuit and the charging regions respectively, by a predetermined number of times;
(F) resetting the power source by turning off all of the plurality of overload relays, and repeating the steps (A)-(D);

when the total current of the all charging regions is not higher than a maximal current supply value,(G) by turning on all of the overload relays by using the micro control unit, supplying the current required by all of the charging regions for charging;

(H) determining whether total current of at least two charging regions is higher than the maximal current supply value;
when the total current of the at least two charging regions is higher than the maximal current supply value,(I) by controlling the charging regions, performing a charging operation for a first charging period on the charging regions respectively, and repeating the steps (B)-(D); and

when the total current of the at least two charging regions is not higher than the maximal current supply value,(J) by controlling the at least two charging regions and remaining charging region, performing a charging operation for a second charging period on the at least two charging regions and the remaining charging region respectively, and repeating the steps (B)-(D).


US Pat. No. 11,114,878

HIGH-POWER BATTERY-POWERED PORTABLE POWER SOURCE

MILWAUKEE ELECTRIC TOOL C...


1. A portable power source comprising:a housing supportable relative to a support surface, the housing having a first surface on the bottom of the housing facing the support surface and a second surface on a top of the housing facing away from the first surface, the housing includinga first battery support on the first surface,
a second battery support on the second surface, and
a power outlet;

a circuit supported by the housing and includinga first input terminal on the first battery support,
a second input terminal on the second battery support,
an output terminal on the power outlet, and
an inverter electrically connected between the input terminals and the output terminal;

a first battery pack supportable on the first battery support and a second battery pack supportable on the second battery support, each battery pack includinga battery housing supported on the associated battery support,
a battery cell, and
a battery terminal connected to the battery cell and electrically connectable to the associated input terminal, wherein power is transferrable from the battery cell of each battery pack to the circuit to be output through the power outlet.


US Pat. No. 11,114,877

BATTERY DEVICE AND VEHICLE

KABUSHIKI KAISHA TOSHIBA,...


1. A battery device comprising:at least one assembled battery;
a first main switch that switches an electrical connection state of a main circuit connected between the assembled battery and a load;
a second main switch that switches an electrical connection state of a second main circuit which is branched from the main circuit and connected between the assembled battery and the load;
a battery management circuit that controls an operation of the first main switch based on an operation command supplied from the load; and
a power supply circuit that supplies power to the battery management circuit and the second main switch when a start command supplied from the outside is ON.

US Pat. No. 11,114,876

BATTERY SAFETY MECHANISM FOR BATTERY FAULT CONDITIONS

TEXAS INSTRUMENTS INCORPO...


1. A battery charger circuit, comprising:a charging circuit configured to charge a battery;
a discharging circuit configured to discharge the battery; and
a battery fault detection circuit configured to detect a battery fault condition of the battery, based on monitoring one or more battery parameters of the battery; and
a battery charge control circuit configured to selectively activate the discharging circuit, in order to discharge the battery, and deactivate the charging circuit, in order to suspend charging the battery during the discharge of the battery, after the battery fault condition is detected.

US Pat. No. 11,114,875

INTEGRATED CHARGER AND REMOTE CONTROL


1. An integrated charger and remote control comprising: a switch box having an electrical switch;a docking area formed on the switch box;
a remote control faceplate, wherein the remote control has a wireless transmitter; control buttons formed on the remote control;
a retainer retaining the remote control faceplate to the docking area, wherein the retainer has two modes, namely a retained mode when the remote control is retained to the docking area, and a released mode when the remote control faceplate is detached from the docking area, wherein when the remote control faceplate is off then on it automatically pairs with the switch box; and
a battery located within the remote control, wherein the battery is charged by a charger formed in the docking area when the remote control is mounted on the docking area during the retained mode with either electrical contact or wireless inductive charging; and a pairing switch, wherein the pairing switch toggles the power of the electrical switch, wherein the docking area has base controls, wherein the base controls further include a base first dimming switch button.

US Pat. No. 11,114,874

BATTERY-AND-HANDHELD-SEAT ASSEMBLING STRUCTURE AND A BATTERY-AND-CHARGER ASSEMBLING STRUCTURE FOR A HANDHELD POWER TOOL

Yu-Tang Lin, New Taipei ...


1. A battery-and-handheld-seat assembling structure for a handheld power tool comprising:a handheld seat havingtwo assembling walls protruding downwardly from a bottom surface of the handheld seat; the two assembling walls spaced apart from each other; and
two first assembling segments respectively formed on the two assembling walls toward each other; and

a battery detachably mounted on the handheld seat and havinga casing havinga connecting surface connected to the bottom surface of the handheld seat; and
two first grooves formed on two side surfaces of the casing respectively; each of the first grooves havinga transverse segment extending toward a front end of the casing and a rear end of the casing; a front end of the transverse segment being closed; and
a longitudinal segment extending toward a top end of the casing and a bottom end of the casing; the longitudinal segment connected to and communicating with a rear end of the transverse segment, extending to the connecting surface of the casing, and forming a first opening on the connecting surface of the casing; the two first assembling segments of the handheld seat selectively mounted in the two transverse segments of the two first grooves of the casing respectively; each of the first assembling segments entering or departing from the corresponding first groove through the corresponding first opening;



wherein
the casing of the battery further hastwo second grooves respectively formed on the two side surfaces of the casing, located in the back of the two first grooves, and spaced apart from the two first grooves; each of the second grooves extending toward the front end of the casing, extending to a rear surface of the casing, and forming a second opening on the rear surface of the casing; and
two stopping walls respectively formed on the two side surfaces of the casing; each of the two stopping walls disposed between a corresponding one of the first grooves and a corresponding one of the second grooves, separating the corresponding first groove and the corresponding second groove, and located in the rear end of the transverse segment the longitudinal segments of the two first grooves respectively extending along the two stopping walls; and

the handheld seat further hastwo second assembling segments respectively formed on the two assembling walls toward each other, located in the back of the two first assembling segments, and spaced apart from the two first assembling segments; the two second assembling segments selectively mounted in the two second grooves of the casing respectively; each of the second assembling segments entering or departing from the corresponding second groove through the second opening of the corresponding second groove;

when each of the first assembling segments of the handheld seat enters the corresponding first groove through the first opening of the corresponding first groove, and each of the second assembling segments is aligned to the second opening of the corresponding second groove; and
when each of the first assembling segments is moved into the transverse segment of the first groove, each of the second assembling segments is moved into the second groove.

US Pat. No. 11,114,873

CONTINGENCY BATTERY CHARGING SYSTEM

Walmart Apollo, LLC, Ben...


1. A transportable battery charging station, comprising:one or more battery chargers capable of charging a plurality of lead-acid batteries;
a transportation container configured for transport from a standby location to a deployment location, the transportation container including one or more fixed connectors for connecting a transportable power source to the one or more battery chargers, wherein at least one fixed connector includes an exterior mounted turn-locking connector for connection to an electric power generator;
a plurality of battery stands; and
a rack structure for mounting and wiring the one or more battery chargers to the plurality of battery stands, wherein the rack structure is constructed to fit in the transportation container.

US Pat. No. 11,114,872

CHARGING DEVICE

PANASONIC INTELLECTUAL PR...


1. A charging device that charges a storage battery placed on a placement stand, the device comprising:a connector that protrudes in a first direction from a placement surface of the placement stand and that electrically connects to a terminal of the storage battery placed on the placement stand;
a protective plate disposed in a first position, the first position located further in the first direction than the connector;
a wall surface extending in the first direction and a second direction substantially orthogonal to the first direction;
a support member capable of moving to be in a first orientation and a second orientation, the support member supporting the protective plate in the first position when in the first orientation and not supporting the protective plate when in the second orientation; and
a lock mechanism that locks the support member in the first orientation,
wherein the lock mechanism includes a first protruding part that, when the support member is locked, is disposed in a first protruding position protruding from the wall surface and that releases locking of the support member by being pushed from the first protruding position to a second protruding position closer to the wall surface than the first protruding position,
the support member (i) includes a second protruding part disposed in a different position from the first protruding part in the second direction and protruding by an amount smaller than a distance from the wall surface to the second protruding position, and (ii) moves from the first orientation to the second orientation by the second protruding part being pushed toward the wall surface in a state where the locking by the lock mechanism is released, and
when the support member has moved to the second orientation, the protective plate is capable of moving to a second position closer to the placement stand than a first direction-side end part of the connector.

US Pat. No. 11,114,871

SMART WEARABLE DEVICE AND CHARGER THEREOF

JRD Communication Inc., ...


1. A smart wearable device and a charger thereof comprising:the smart wearable device; and
a charging base configured to charge a smart wearable device, the charging base comprising:an elastic case;
an open slot, formed in the elastic case, for inserting the smart wearable device; and
a power supply portion disposed on the charging base and configured to supply the smart wearable device with electrical energy for charging;

wherein the smart wearable device is fixed to the charging base by means of a close fit between slot walls on two sides of the open slot and an outer surface of the smart wearable device;
wherein cross sections of the slot walls on the two sides of the open slot are concave curves; cross sections of the outer surface of the smart wearable device opposite to the slot walls on the two sides of the open slot are convex curves to form joint portions; a radian of the joint portions is equal to a radian of the slot walls on the two sides of the open slot;
wherein the smart wearable device comprises an upper case and a lower case disposed underneath the upper case; an accommodation space is formed in the upper case; the lower case and the upper case are connected through hooks so as to close the accommodation space in the upper case; the joint portions are disposed on the upper case;
wherein the power supply portion comprises a first printed circuit board (PCB) disposed in the elastic case for charging; a pogo pin is connected to the first PCB; a spring hole for extension of ends of pin shafts of the pogo pin is formed in the elastic case located on a bottom of the open slot; the pin shafts of the pogo pin extend into the open slot from the spring hole; metal pillars that are in contact with elastic pieces on a second PCB of the smart wearable device are disposed in the smart wearable device; the second PCB is disposed in the accommodation space; pillar holes are formed in one side of an outer surface of the lower case of the smart wearable device opposite to the bottom of the open slot; positions of the pillar holes correspond to positions of the metal pillars; one end of each one of the metal pillars away from one elastic piece of the elastic piece is inserted into a corresponding pillar hole of the pillar hole; the pin shafts of the pogo pin and end surfaces of the metal pillars away from the elastic pieces are brought into contact to conduct after the smart wearable device is inserted into the open slot so as to charge the smart wearable device.

US Pat. No. 11,114,870

POWER TOOL SYSTEM AND BATTERY PACK THEREFOR HAVING WIRELESS COMMUNICATOR

MAKITA CORPORATION, Anjo...


1. A power tool system comprising:a hand-held power tool comprising a motor, a power tool housing accommodating the motor and a battery pack interface electrically connected to the motor within the power tool housing;
a battery pack comprising at least one battery cell, a battery pack housing accommodating the at least one battery cell and a power tool interface electrically connected to the at least one battery cell within the battery pack housing, the power tool interface being configured to be physically and electrically connected to and disconnected from the battery pack interface of the power tool;
a wireless communicator attached to or accommodated within the battery pack housing, the wireless communicator being configured to wirelessly transmit data between the battery pack and an external device using radio waves while the power tool interface of the battery pack is physically and electrically connected to the battery pack interface of the hand-held power tool;
wherein the data includes a control program for the power tool and/or the battery pack.

US Pat. No. 11,114,869

JUMP STARTER AUTO SAFETY JUMPER MODULE

VECTOR PRODUCTS, INC., B...


1. An auto safety jumper module in the form of a solid state high energy safety power switch with smart controls for aiding in preventing accidental short circuits or wrong connection between a jump start system and a battery of a motor vehicle when jump starting the motor vehicle, the auto safety jumper module in electrical communication with the jump start system, the jump start system in electrical communication with an energy source, comprising:at least one solid state MOSFET which is electronically configured to act as a power switch with high current capabilities to either permit or prevent electric current flow between the energy source and the battery of the motor vehicle depending on whether the at least one solid state device is in an open position or a closed position;
a microcontroller or microprocessor programmed to provide control signals to the at least one solid state MOSFET, the microcontroller or microprocessor programmed to determine reverse polarity conditions for an electrical connection between the jump start system and the battery of the motor vehicle, the microcontroller or microprocessor programmed to receive and compare a voltage of the jump start system with a voltage of the motor vehicle battery and where the voltage of the jump start system and the voltage of the motor vehicle battery match the microcontroller or microprocessor is programmed to determine that a reverse polarity condition does not exist and sends a signal to the at least one solid state MOSFET to permit energy transfer between the jump start system and the motor vehicle battery; and
wherein the at least one solid-state MOSFET is controlled by the microcontroller or microprocessor to prevent energy transfer between the jump start system and the battery of the motor vehicle until the microcontroller or microprocessor detects that a proper polarity is achieved between the electrical connection of the jump start system to the battery of the motor vehicle wherein the microcontroller or microprocessor is programmed to provide a signal to the at least one solid state MOSFET to allow energy transfer between the jump start system and the battery of the motor vehicle to occur.

US Pat. No. 11,114,868

SUPPLEMENTAL CAPACITOR BASED BATTERY CHARGING SYSTEM

BBY SOLUTIONS, INC., Ric...


1. A portable charging device comprising:a) a case;
b) a charging device power input receiving input power;
c) a charging device power output;
d) a battery located within the case, the battery having a battery input, a battery output, and a battery charge status output;
e) a supercapacitor located within the case, the supercapacitor having a supercapacitor input, a supercapacitor output, and a supercapacitor charge status output;
f) a processor operating according to instructions causing the processor to implement a charging device management system; and
g) the charging device management system having an input logic that, upon determining that there is input power on the charging device power input:i) receives the battery charge status output and the supercapacitor charge status output,
ii) determines whether the input power on the charging device power input is at a low, medium, or high level,
iii) upon determining that the input power is at the high level, diverts all input power to the supercapacitor input until the supercapacitor charge status output indicates that the supercapacitor is fully charged,
iv) upon determining that the input power is at the low level, diverts all input power to the battery input until the battery charge status output indicates that the battery is fully charged, and
v) upon determining that the input power is at the medium level, divides the input power into a first portion that is diverted to the battery input and a second portion that is diverted to the supercapacitor input.


US Pat. No. 11,114,867

CAPACITOR DISCHARGE TOOL

DISH Network L.L.C., Eng...


1. A capacitor discharge system comprising:a head structure having a first probe and a second probe;
a non-conductive handle structure;
an elongated body coupled and extending between the head structure and the handle structure; and
a discharge circuit housed at least partially by the elongated body, the discharge circuit having:an indicator component to provide real-time indication of a presence of voltage across the first probe and the second probe;
a high-power load component coupled with the indicator component; and
a shunt component coupled with the indicator component.


US Pat. No. 11,114,866

ENERGY SYSTEM FOR A MOTOR VEHICLE AND METHOD FOR CHARGING AN ELECTRICAL ENERGY STORAGE DEVICE

AUDI AG, Ingolstadt (DE)...


1. A method for charging at least one electrical energy storage device of a motor vehicle, comprising:electrically subdividing a plurality of electrical cells of the energy storage device into at least two equivalent energy storage sub-devices with the same number of electrical cells for the duration of the charging process and they are connected in series, wherein the at least one energy storage device is sub-divided into the energy storage sub-devices as a function of a charging voltage available for the charging process, wherein the total of the nominal voltages of the energy storage sub-devices is less than or equal to the charging voltage.

US Pat. No. 11,114,865

DESK TOP ITEM WITH LED MEANS HAS USB-UNITS OR USB- MODULE TO CHARGE OTHER ELECTRIC OR DIGITAL DATA DEVICES


1. A non-portable desk top LED reading light, comprising:at least one LED fixed within a top or front area of at least one adjustable arm and incorporated with an integrated circuit and a switch for reading light illumination from the top or front area of the at least one adjustable arm; and
a USB unit for charging another device,
wherein the LED light is powered by an external transformer through a transformer wire having (1) a male USB plug, (2) a DC connector, or (3) a wiring end, to connect with the desktop USB unit.

US Pat. No. 11,114,864

METHOD AND DEVICE FOR DISTRIBUTING ACTIVE POWER FOR WIND FARM


1. A method for distributing active power for a wind farm, comprising:calculating a current total active power variation of the wind farm according to a current frequency variation of a power grid;
distributing a current single-unit active power variation to each wind turbine according to a first preset strategy based on the current total active power variation and a single-unit storage energy value of each wind turbine in the wind farm in a case that the current total active power variation of the wind farm is greater than zero;
distributing the current single-unit active power variation to each wind turbine according to the first preset strategy based on the current total active power variation and a lowerable power value of each wind turbine in the wind farm in a case that the current total active power variation of the wind farm is smaller than zero; and
controlling each wind turbine to adjust its operating state according to the distributed current single-unit active power variation,
wherein the distributing a current single-unit active power variation to each wind turbine according to a first preset strategy based on the current total active power variation and a single-unit storage energy value of each wind turbine in the wind farm comprises:
acquiring the single-unit storage energy value of each wind turbine in the wind farm, and ranking the single-unit storage energy values of all wind turbines in an ascending order;
calculating a value of a current undistributed total active power variation divided by a quantity of undistributed wind turbines, to serve as undistributed average active power;
determining whether the single-unit storage energy values are smaller than the undistributed average active power in sequence in an ascending order;
distributing to a wind turbine a current single-unit active power variation, that is equal to a single-unit storage energy value thereof, in a case that the single-unit storage energy value is smaller than the undistributed average active power; and
distributing to the wind turbine a current single-unit active power variation, that is equal to the undistributed average active power, in a case that the single-unit storage energy value is greater than or equal to the undistributed average active power.

US Pat. No. 11,114,863

METHOD FOR STARTING A HYDRAULIC TURBINE

GE Renewable Technologies...


1. A method for controlling a hydraulic unit having a synchronous generator to be connected to a grid via a circuit breaker, a hydraulic turbine provided with a runner mechanically coupled to the rotor of the synchronous generator via a shaft line to drive the synchronous generator, and means for adjusting a torque to the shaft line, the method comprises:a) a step of adjusting a flow of water into the runner from a time t0 to a time t1; wherein t1 is a time at which rotation speed of the rotor of the synchronous generator is equal to synchronous speed within a first tolerance interval and a grid phase and a synchronous generator phase are aligned within a second tolerance interval,
b) the time interval from to t0 time t1 comprising a sub-interval from a time t2 to time t1, with t0<=t2<=t3 (2) at time t3, the generator rotation speed enters for the first time within the first tolerance interval;
(3) at time t3, a difference between the synchronous generator phase and the grid phase is brought to a predetermined value A within a third tolerance interval; and
(4) time t1 is the nearest time after t3 for which the grid phase and the synchronous generator phase are aligned within the second tolerance interval;

c) closing the circuit breaker at time t1.

US Pat. No. 11,114,862

LOCALIZED POWER POINT OPTIMIZER FOR SOLAR CELL INSTALLATIONS

Enphase Energy, Inc., Pe...


1. A solar cell installation coupled to a load, the solar cell installation comprising:a first group of serially-connected solar cells having a first positive terminal and a first negative terminal;
a first local power point optimizer coupled to the first positive terminal and the first negative terminal, the first local power point optimizer including:
(a) a first transistor coupled to the first positive terminal,
(b) a power point controller configured to control a voltage of the first group of serially-connected solar cells by modulating the first transistor to electrically connect and disconnect the first group of serially-connected solar cells, and
(c) an output stage configured to alter a voltage output of the first local power point optimizer;
a maximum power point tracking module configured to adjust an operating point of the first group of serially-connected solar cells to maximize the overall output power to the load as determined by the maximum power tracking module; and
a second group of serially-connected solar cells having a second positive terminal and a second negative terminal; and
a second local power point optimizer coupled to the second positive terminal and the second negative terminal, the second local power point optimizer including:
(a) a second transistor coupled to the second positive terminal,
(b) a power point controller configured to control a voltage of the second group of serially-connected solar cells by modulating the second transistor to electrically connect and disconnect the second group of serially-connected solar cells, and
(c) an output stage configured to alter a voltage output of the second local power point optimizer;
wherein the first group of serially-connected solar cells and the first local power point optimizer and the second group of serially-connected solar cells and the second local power point optimizer are connected in electrical series,
wherein the maximum power point tracking module is further configured to adjust an operating point of the second group of serially-connected solar cells to maximize the overall output power to the load as determined by the maximum power tracking module.

US Pat. No. 11,114,861

POWER OPTIMIZATION FOR BATTERY POWERED STREET LIGHTING SYSTEM

Euro Sino Optical Researc...


1. A network of a plurality of outdoor lighting units, each unit comprising:a. a light fixture;
b. a power generating means;
c. a storage means for electric energy; and
d. a connection to ground;
wherein neighboring lighting units are distanced from each other with an amount of ground therebetween and the storage means of neighboring lighting units are connected by a conductor that consists of a wire and a connection through the ground;
wherein the conductor serves to conduct electric energy from a first storage means of a first lighting unit to a second storage means of a second lighting unit by conduction through the ground between the lighting units, so as to balance charge states of the first storage means and the second storage means; and
wherein each lighting unit further comprises a controller configured to receive signals over the conductor, and each lighting unit is adapted to additionally communicate with a neighboring lighting unit via the conductor.

US Pat. No. 11,114,860

APPARATUS AND METHOD FOR CONTROLLING MPPT OF PHOTOVOLTAIC SYSTEM USING ACTIVE POWER CONTROL

Industry-Academic Coopera...


1. An apparatus for controlling maximum power point tracking (MPPT) of a photovoltaic system using active power control, the apparatus comprising:a photovoltaic panel;
a photovoltaic inverter unit which converts direct current (DC) power received from the photovoltaic panel into alternating current (AC) power and outputs the AC power used as commercial power; and
an active power-based inverter control unit which determines a reference value (Pmpp) for output power (Pinv) of a photovoltaic inverter using a curve (Pmpp) connecting maximum power points according to a change in solar irradiance in a P-V curve showing a relationship between photovoltaic output power and a terminal voltage and measures a terminal voltage (Vpv) of the photovoltaic panel to allow the photovoltaic inverter to perform an operation according to MPPT control for tracking a value of the terminal voltage changed according to the solar irradiance,
wherein the active power-based inverter control unit includes:
an inverter power control signal output unit which receives a value of a terminal voltage (Vpv) of a parallel capacitor and determines the reference value (Pmpp) for the output power (Pinv) of the photovoltaic inverter from the received value to output an inverter power control signal (P*inv);
a power controller which receives the inverter power control signal (P*inv) from the inverter power control signal output unit to output a grid current control signal (I*grid);
a phase locked loop (PLL) which receives a grid voltage (Vgrid) to output a phase angle (?) for synchronizing the grid voltage;
a current controller which receives a grid current (igrid), the phase angle (?) of the PLL, and the grid current control signal (I*grid) to output an output control signal (m) for controlling a pulse width modulation (PWM); and
a PWM control signal generator which receives the output control signal (m) of the current controller to output a PWM control signal for controlling an output of the photovoltaic inverter.

US Pat. No. 11,114,859

POWER CONVERSION SYSTEM, PHOTOVOLTAIC OPTIMIZER AND POWER TRACKING METHOD THEREOF

Silergy Semiconductor Tec...


1. An apparatus for photovoltaic power generation, the apparatus comprising:a) an inverter; and
b) at least one photovoltaic optimizer, wherein input terminals of each photovoltaic optimizer are coupled to output terminals of a photovoltaic panel, and output terminals of each photovoltaic optimizer are coupled in series with each other between input terminals of the inverter;
c) wherein the photovoltaic optimizer is configured to adjust an input voltage reference signal according to changes of an input voltage of the inverter, thereby tracking a maximum power point of the photovoltaic panel, when the photovoltaic optimizer operates in a first mode, wherein a duty cycle of the photovoltaic optimizer is 1 during the first mode; and
d) wherein the photovoltaic optimizer is configured to adjust the input voltage reference signal according to changes of an output voltage of the photovoltaic panel, thereby tracking the maximum power point of the photovoltaic panel, when the photovoltaic optimizer operates in a second mode, wherein the duty cycle of the photovoltaic optimizer is adjusted and less than 1 during the second mode.

US Pat. No. 11,114,858

BIDIRECTIONAL CAPACITOR BANK CONTROL

Schweitzer Engineering La...


1. A capacitor bank control system, comprising:memory; and
a processor operatively coupled to the memory, wherein the processor is configured to execute instructions stored on the memory to cause the processor to:perform capacitor bank control operations using current measurements from a first current sensor coupled to the power line between an initial source and the capacitor bank when power is flowing in a first power flow direction on the power line;
determine that power flow on the power line has changed from flowing in the first power flow direction to flowing in a second power flow direction from an updated source, different from the initial source; and
upon detecting the change in the power flow direction, perform control operations of the capacitor bank using current measurements from a second current sensor between the updated source and the capacitor bank, wherein at least one of the first sensor and the second sensor is a wireless current sensor, and wherein the power flow direction is determined using the phase difference between the current measurements of at least one of the first current sensor and the second current sensor and voltage measurements of a voltage sensor of the capacitor bank control system.


US Pat. No. 11,114,857

MICROGRID ELECTRICAL LOAD MANAGEMENT

U.S. Well Services, LLC, ...


6. A method of managing power between an electric drilling rig and hydraulic fracturing equipment, including a blender, the method comprising the steps of:a) powering the hydraulic fracturing equipment with a generator;
b) distributing power between the electric drilling rig and the generator with at least one switchgear;
c) distributing power between the generator and the hydraulic fracturing equipment with the at least one switchgear;
d) monitoring the generator to determine when the generator loses functionality;
e) when the generator loses functionality, selectively deactivating the hydraulic fracturing equipment before the electric drilling rig to decrease the load; and
f) prioritizing the deactivation of the hydraulic fracturing equipment so that the blender is deactivated after other hydraulic fracturing equipment is deactivated.

US Pat. No. 11,114,856

METHOD AND APPARATUS FOR PROTECTING ELECTRICAL COMPONENTS FROM A TRANSIENT ELECTROMAGNETIC DISTURBANCE

ADVANCED FUSION SYSTEMS L...


1. A method of protecting a component coupled to a power line of an electrical power generation, transmission and distribution system from hazardous EMI comprising:deliberately creating an impedance mismatch by mounting a plurality of conductive impedance transition elements (CITEs) having a diameter greater than a diameter of the power line at a position between an extended length of the power line and the component;
wherein a difference between the diameter of the CITEs and the power line intentionally causes an impedance mismatch between the two or more conductive impedance transition elements with adjacent portions of the power line, the impedance mismatch causing high-frequency components of a signal induced on the power line by the hazardous EMI to be reflected and dissipated by decaying resonators formed between pairs of the plurality of conductive impedance transition elements.

US Pat. No. 11,114,855

LOAD MANAGEMENT IN HYBRID ELECTRICAL SYSTEMS

Solaredge Technologies Lt...


1. An electrical system comprising:a first electrical power source;
a second electrical power source;
a plurality of switches configured to receive power from the first electrical power source and the second electrical power source, wherein each switch comprises a plurality of throws, and wherein each throw comprises a transistor coupled in parallel to a electromechanical relay;
a plurality of electrical loads, wherein each electrical load is coupled to each of the plurality of throws of a corresponding switch of the plurality of switches, and wherein each electrical load is connectable via the plurality of throws of its corresponding switch to the first electrical power source or the second electrical power source; and
a controller configured to control the plurality of throws to connect and disconnect one or more of the plurality of electrical loads to and from the first electrical power source and the second electrical power source,
wherein the controller is configured to determine that power generated by the first electrical power source exceeds a power consumption of a first plurality of loads connected to the first electrical power source by a first value, determine that a power consumption of each electrical load of a second plurality of electrical loads connected to the second electrical power source exceeds the first value, and instruct a storage device to store excess power generated by the first electrical power source.

US Pat. No. 11,114,854

DUAL CURRENT CONTROLLER OF INVERTER INTERFACED RENEWABLE ENERGY SOURCES FOR ACCURATE PHASE SELECTION METHOD AND GRID CODES COMPLIANCE

King Abdulaziz University...


1. A method for securing a correct operation of a current-angle-based phase-selection method (PSM) when fault currents are supplied from inverter interfaced renewable energy sources (IIRESs), comprising:determining a fault type by an inverter;
selecting initial current angle references;
determining current angle references;
determining a reference current in a stationary frame; and
tracking the stationary frame reference current with a proportional-resonance (PR) controller.

US Pat. No. 11,114,853

GRID-TIED VARIABLE FREQUENCY FACILITY

NEWORLD.ENERGY LLC, Verd...


1. A micro grid system comprising:one or more DC energy sources associated with a micro grid, each DC energy source configured to generate a first DC power signal;
one or more sensors configured to sense power characteristics;
a processor and memory configured to store instructions that, when executed, cause the processor to receive the sensed power characteristics from the one or more sensors and provide one or more control signals based at least in part on the sensed power characteristics; and
a power controller comprising:an AC to DC converter in communication with an AC power source, the AC to DC converter configured to convert an AC power signal from the AC power source to a converted DC power signal, the AC to DC converter including steering circuitry that is configured to prevent backfeeding AC or DC energy into the AC power source;
pulse width modulation circuitry in communication with the one or more DC energy sources and the AC to DC converter, the pulse width modulation circuitry configured to provide, responsive to the one or more control signals, pulse width modulation to the one or more first DC power signals and the converted DC power signal;
a bus bar in communication with the pulse width modulation circuitry, the bus bar configured to receive the modulated DC power signals and provide a combined DC signal; and
a frequency variable inverter configured to receive the combined DC signal, to convert, responsive to the one or more control signals, the combined DC signal into a variable frequency and voltage AC signal, and to provide the variable frequency and voltage AC signal to loads in communication with the power controller.


US Pat. No. 11,114,852

POWER DISTRIBUTION MODULE(S) CAPABLE OF HOT CONNECTION AND/OR DISCONNECTION FOR WIRELESS COMMUNICATION SYSTEMS, AND RELATED POWER UNITS, COMPONENTS, AND METHODS

Corning Optical Communica...


1. A wireless communication system, comprising:a central unit comprising:at least one first downlink input configured to receive downlink electrical radio frequency (RF) communications signals; and
at least one uplink output configured to receive and communicate uplink electrical RF communications signals;

a plurality of remote antenna units (RAUs) communicatively coupled to the central unit by an optical fiber link comprising a plurality of optical fibers, each of the plurality of RAUs configured to provide communications to a corresponding coverage area of one or more coverage areas and comprising one or more optical-to-electrical (O/E) converters and one or more electrical-to-optical (E/O) converters;wherein the one or more O/E converters in one or more of the plurality of RAUs are configured to convert downlink optical RF communications signals received from one or more of the plurality of optical fibers to electrical RF communications signals to be provided to one or more client devices in the one or more coverage areas of the plurality of RAUs; and
wherein the one or more E/O converters in one or more of the plurality of RAUs are configured to convert electrical RF communications signals received from the one or more client devices to optical RF communications signals to be provided over one or more of the plurality of optical fibers to the central unit; and

at least one power distribution module electrically coupled to one or more of the plurality of RAUs by a pair of electrical conductors, at least one power distribution module configured to:be disposed in a power unit;
receive input power from an external power source; and
selectively distribute output power based on the input power to at least one of the plurality of RAUs in response to a power enable signal.


US Pat. No. 11,114,851

ENERGY CONSERVING (STAND-BY MODE) POWER SAVING DESIGN FOR BATTERY CHARGERS AND POWER SUPPLIES WITH A CONTROL SIGNAL

CHEMTRON RESEARCH LLC, W...


1. A memory device having instructions stored thereon that, in response to execution by a control device, cause the control device to perform operations comprising:monitoring a remaining battery charge level of a battery that provides power to an electronic device of an AC-to-DC power supply during a first power mode of operation of the AC-to-DC power supply;
detecting that a power requirement of an associated device (AD) powered by the AC-to-DC power supply exceeds a threshold, wherein the AD is not part of the AC-to-DC power supply and the electronic device is part of the AC-to-DC power supply; and
switching the AC-to-DC power supply from the first power mode of operation to a second power mode of operation of the AC-to-DC power supply in response to detecting the power requirement of the AD exceeds the threshold and based, at least in part, on the remaining battery charge level of the battery.

US Pat. No. 11,114,850

ELECTROSTATIC DISCHARGE PROTECTION CIRCUIT

Silicon Works Co., Ltd., ...


18. An electrostatic discharge protection circuit comprising:first and second internal circuits configured to be driven in different voltage ranges; and
first and second protection circuits configured to form first and second bypass paths for bypassing a stress due to electrostatic discharge by a semiconductor device which has the same breakdown voltage as a semiconductor device of an internal circuit driven in a lower voltage range between the first and second internal circuits, when the electrostatic discharge occurs between the first and second internal circuits, to protect semiconductor devices of the first and second internal circuits.

US Pat. No. 11,114,849

SEMICONDUCTOR DEVICE AND SEMICONDUCTOR DEVICE SYSTEM

RENESA.S ELECTRONICS CORP...


1. A semiconductor device comprising:a voltage detection circuit configured to output a detection signal when a voltage between a first terminal and a second terminal reaches a predetermined voltage, wherein the first terminal is a high potential side terminal, and wherein the second terminal is a low potential side terminal;
a first amplifier circuit configured to amplify the detection signal and output a drive signal;
a second amplifier circuit configured to feedback-amplify the detection signal; and
a discharge element coupled between the first terminal and the second terminal and having a discharge capability depending on the drive signal,
wherein the discharge element is a first PMOS transistor having a source coupled to the first terminal and a drain coupled to the second terminal,
wherein the first amplifier circuit includes:a second PMOS transistor having a source coupled to the first terminal and a gate supplied with the detection signal;
a first resistor having one end coupled to a drain of the second PMOS transistor and the other end coupled to the second terminal; and
a first output circuit coupled to a connection node of the second PMOS transistor and the first resistor and configured to output the drive signal to a gate of the first PMOS transistor, and

wherein the second amplifier circuit comprises:a third PMOS transistor having a source coupled to the first terminal and a gate supplied with the detection signal;
a second resistor having one end coupled to a drain of the third PMOS transistor and the other end coupled to the second terminal;
a second output circuit coupled to a connection node of the third PMOS transistor and the second resistor; and
a fourth PMOS transistor having a gate supplied with an output signal of the second output circuit, a source coupled to the gate of the third PMOS transistor directly or through at least one of a plurality of rectifying elements of the voltage detection circuit, and a drain coupled to the second terminal directly or through at least one of the plurality of the rectifying elements.


US Pat. No. 11,114,848

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 coupled to the control terminal; the sensing circuit including a resistor having a first terminal connected to the first power supply node, and a second terminal connected to a first internal node; the sensing circuit also including a capacitor connected between the first internal node and the second power supply node; and the sensing circuit including a PMOS sensing transistor having a source connected to a charge pump circuit at a second internal node, a drain connected to the control terminal of the shunt transistor, and a gate connected to the first internal node; and

the charge pump circuit coupled to the control terminal, the charge pump circuit including: a charge pump capacitor coupled to the sensing circuit and a switching circuit coupled between the charge pump capacitor and the control terminal.

US Pat. No. 11,114,847

HIGH SPEED DATA TRANSIENT PROTECTION

Rockwell Collins, Inc., ...


1. A transient voltage suppression circuit comprising:an ultra-low capacitance transient voltage suppressor; and
a cable equalizer in electronic communication with the transient voltage suppressor,
wherein:the transient voltage suppressor is configured to remove lightning transients from a signal having at least one gigahertz bandwidth; and
the cable equalizer is configured to boost a filtered signal from the transient voltage suppressor.


US Pat. No. 11,114,846

ELECTRONTIC BARRIER DEVICE FOR INTRINSICALLY SAFE SYSTEMS

Eaton Intelligent Power L...


1. An electronic barrier device comprising:an input;
a voltage limiter device for voltage limitation in a circuit during a circuit fault condition,
a crowbar device arranged to latch across the voltage limiter device to reduce power dissipation in the voltage limiter device in the circuit fault condition,
a current sensor connected between the input and the crowbar device such that the current sensor is disposed upstream from the crowbar device, the current sensor sensing current at the input, and
a fuse disposed between the input and the current sensor such that the sensed current comprises a current through the fuse, the current sensor being disposed between the fuse and the crowbar device,
wherein the crowbar device is arranged to automatically latch responsive to a change in the current sensed by the current sensor thereby increasing the current through the current sensor in the circuit fault condition, the electronic barrier device being configured for use in intrinsically safe systems.

US Pat. No. 11,114,845

ADAPTER SYSTEM FOR IC AND TRANSIENT VOLTAGE CIRCUIT


1. An adapter system for protection of electronics from voltage spikes induced on connected wires, wherein:said adapter system comprises an enclosure, two or more plug sockets comprising one or more power line connectors and suppression elements;
said two or more plug sockets comprise at least a first line socket and a neutral socket;
said first line socket is configured to connect to a first line comprising a power line;
said neutral socket is configured to connect to a neutral line;
said adapter system is configured to connect to at least said first line with said one or more power line connectors and suppressing a portion of a power on said first line with said suppression elements;
said suppression elements comprise one or more PCB headers each having one or more header connectors, one or more fuses, one or more varistors, one or more resistors, one or more diodes, one or more capacitors, an inductor, isolated form C contacts comprising one or more switches, and one or more buses;
said one or more buses comprise a first suppression bus, and a second suppression bus;
a portion of said suppression elements comprises a monitoring circuit;
said monitoring circuit is protected from other portions of said suppression elements with a diode bridge;
said one or more PCB headers comprise a first PCB header and a second PCB header;
said first PCB header comprises a first header connector, and a third header connector;
a first fuse attaches between said first header connector and said first suppression bus;
the following components are arranged in parallel between said second suppression bus and said first suppression bus: a first resistor, a first varistor, a first diode, a second diode and a first capacitor;
a second fuse connects between said third header connector and said second suppression bus;
said diode bridge comprises a first terminal, a second terminal, a third terminal, and a fourth terminal;
said diode bridge is arranged between a portion of said suppression elements and a monitoring circuit protection configuration to protect monitoring components within said suppression elements;
the following components are arranged in series between said second suppression bus and said first terminal of said diode bridge: a third resistor and a third capacitor;
said one or more buses further comprise a first monitoring bus, and a second monitoring bus;
said second terminal connects to said second monitoring bus;
said fourth terminal of said diode bridge connects to said first monitoring bus;
said third terminal of said diode bridge of said diode bridge connects to said first suppression bus;
the following components are arranged in parallel between said first monitoring bus and said second monitoring bus: a fourth capacitor, a fourth diode, a fourth resistor, said inductor and the combination of a sixth resistor and a fifth diode in series;
said isolated form C contacts comprising said second PCB header with a first switch; and
said second PCB header comprises a fourth header connector, a fifth header connector and a sixth header connector;
said fourth header connector connects to the output of said first switch; and
said sixth head connector and said fifth head connector connect to the inputs of said first switch.

US Pat. No. 11,114,844

INRUSH CURRENT LIMITER CIRCUITS AND METHODS OF LIMITING INRUSH CURRENT IN A CIRCUIT

Vertiv Corporation, Colu...


1. A DC-DC power converter comprising:an input for receiving DC power from a power source;
an output for supplying DC power to an electronic device;
a power circuit coupled between the input and the output to convert a voltage of the DC power received at the input to a different voltage of the DC power supplied at the output;
a control circuit coupled to control switching operation of the power circuit;
a resistor coupled in an input current path to receive an inrush current from the input when the input is electrically coupled to the power source;
a switch coupled in parallel with the resistor to selectively bypass the resistor;
a transistor coupled to control the switch in response to a voltage across the resistor, the transistor coupled to open the switch when the voltage across the resistor is above a specified inrush threshold to permit current flow through the resistor, and to close the switch when the voltage across the resistor is below the specified inrush threshold to bypass the resistor and allow the switch to conduct current from the input; and
an isolator coupled between the transistor and a node defined between the resistor and the switch to selectively enable one or more other circuits electrically coupled to the isolator in response to the voltage across the resistor.

US Pat. No. 11,114,843

METHOD AND SYSTEM FOR PROTECTION IN A MIXED LINE

ABB POWER GRIDS SWITZERLA...


1. A method for determining a location of a fault in a mixed line comprising two or more sections, with a first substation at a first end of the mixed line and a second substation at a second end of the mixed line, every two consecutive sections of the mixed line being separated at a respective junction, the method being performed by an Intelligent Electronic Device (IED), the method comprising:obtaining one or more current measurements at the first end of the mixed line, from a current signal received from a measurement equipment of the first substation;
receiving one or more current measurements at the second end of the mixed line, over a communication channel;
estimating a value of current for each junction of the mixed line using the one or more current measurements at the first end, an equivalent source impedance of the first substation, an equivalent source impedance of the second substation, and impedance of each section of the two or more sections of the mixed line,the estimating the value of current for each junction of the mixed line being performed without using any voltage measurement,
a first section of the two or more sections having a first predetermined impedance characteristic, and
a second section of the two or more sections having a second predetermined impedance characteristic different from the first impedance characteristic;

identifying a section of the two or more sections of the mixed line having the fault, based on a comparison between the value of current estimated for each junction and the one or more current measurements at the second end; and
determining the location of the fault in the section of the mixed line identified as having the fault, using the one or more current measurements at the first end, the one or more current measurements at the second end, the equivalent source impedance of the first substation, the equivalent source impedance of the second substation, and the impedance of each section of the two or more sections.

US Pat. No. 11,114,842

DUAL PWM RELAY DRIVER WITH DIAGNOSTICS FOR FUNCTIONAL SAFETY SYSTEM

ROCKWELL AUTOMATION TECHN...


1. A component comprising:a first switch connected to a power source of a safety relay;
a second switch connected between the first switch and a first connection of a coil of normally open contacts of the safety relay;
a first controller connected to control the first switch with a first output signal comprising one of a close signal that closes the first switch and a first pulse-width modulation (“PWM”) signal with a first duty cycle that opens and closes the first switch on each PWM cycle;
a second controller connected to control the second switch with a second output signal comprising one of a close signal that closes the second switch and a second PWM signal with a second duty cycle that opens and closes the second switch on each PWM cycle, the first duty cycle is different from the second duty cycle; and
a PWM sensing circuit connected to a second connection of the coil that sends a sensed PWM signal to an input of the first controller and an input of the second controller,
wherein the first controller sends the first PWM signal while the second controller sends a close signal and the second controller sends the second PWM signal while the first switch sends a close signal, and
wherein the first controller verifies that the received PWM signal matches the first PWM signal while sending the first PWM signal and the second controller verifies that the received PWM signal matches the second PWM signal while sending the second PWM signal.

US Pat. No. 11,114,841

DC PLC PV RAPID SHUTDOWN DEVICE CIRCUIT BASED ON SUNSPEC COMMUNICATION PROTOCOL


1. A DC PLC PV rapid shutdown device circuit based on SunSpec communication protocol comprises a PV module, which comprises PV+ and PV? output ports, wherein the DC PLC PV rapid shutdown device circuit is based on SunSpec communication protocol is characterized in that: the DC PLC PV rapid shutdown device circuit comprises an output capacitor Cout, one end of the output capacitor Cout is connected to PV+ or PV? port through an electric switch, the other end of the output capacitor Cout is connected to PV? or PV+ port, two ends of the output capacitor Cout are respectively connected to OUT+ and OUT?, and PV? is grounded;the DC PLC PV rapid shutdown device circuit comprises a power inductor L1, one end of the power inductor L1 is connected to OUT?, and the other end thereof is grounded;
the power inductor L1 is connected with a resonant capacitor C1 and an impedance resistor R2 in parallel;
the DC PLC PV rapid shutdown device circuit comprises a blocking capacitor C2 and a blocking capacitor C3, one end of the blocking capacitor C2 is used as the PLC+ port, and the other end of the blocking capacitor C2 is connected to a ground terminal of the power inductor L1;
one end of the blocking capacitor C3 is used as the PLC? port, and the other end of the blocking capacitor C3 is connected to the end where the power inductor Li is connected with OUT?; and
signal sources are connected to OUT+ and OUT? in parallel and send “Keep Alive” signals based on SunSpec communication protocol;
wherein the DC PLC PV rapid shutdown device circuit also comprises a control IC, PLC+ port and PLC? port are connected to a signal coupling input port of the control IC, a signal control terminal of the control IC is connected with the electric switch to control the electric switch, and PV+ is connected with the control IC and supplies power to the control IC.

US Pat. No. 11,114,840

SYSTEM, METHOD, AND APPARATUS FOR POWER DISTRIBUTION IN AN ELECTRIC MOBILE APPLICATION USING A COMBINED BREAKER AND RELAY

Eaton Intelligent Power L...


1. A mobile application, comprising:a motive power circuit, the motive power circuit comprising a power storage device and an electrical load, wherein the power storage device and the electrical load are selectively electrically coupled through a power bus; and
a power distribution unit (PDU) electrically interposed between the power storage device and the electrical load, wherein the PDU comprises a breaker/relay positioned on one of a high side and a low side of the power storage device; wherein the breaker/relay comprises:
a fixed contact electrically coupled to the power bus;
a movable contact selectively electrically coupled to the fixed contact, and wherein the movable contact allows power flow through the power bus when electrically coupled to the fixed contact, and prevents power flow through the power bus when not electrically coupled to the fixed contact, wherein the movable contact comprises a moving mass value;
wherein the fixed contact and the movable contact comprise a contactor area when electrically coupled;
an armature operationally coupled to the movable contact, such that the armature in a first position prevents electrical coupling between the movable contact and the fixed contact, and the armature in a second position allows electrical coupling between the movable contact and the fixed contact;
a first biasing member biasing the armature into one of the first position or the second position;
a contact force spring operationally interposed between the armature and the movable contact, such that in response to the armature being in the second position, the contact force spring is at least partially compressed; and
a means for adjusting an opening velocity of the movable contact during a runtime operation of the power bus, wherein the opening velocity comprises an initial velocity of the movable contact away from the fixed contact in response to a physical opening response.

US Pat. No. 11,114,839

SYSTEM AND METHOD FOR MITIGATING OVERVOLTAGE ON A DC LINK OF A POWER CONVERTER

General Electric Company,...


1. A method for mitigating overvoltage on a DC link of a power converter of an electrical power system connected to a power grid caused by transients on the power grid, the method comprising:receiving a voltage feedback signal from the DC link;
determining a rate of change of the voltage feedback signal during the predetermined time period by processing the voltage feedback signal via a differential element, the differential element comprising a washout filter and a low-pass filter;
predicting a future voltage value on the DC link by summing the voltage feedback signal and the rate of change of the voltage feedback signal; and,
controlling the electrical power system based on the future voltage value.

US Pat. No. 11,114,838

IDEAL DIODE WITH ACTIVE REVERSE VOLTAGE PROTECTION

ABB SCHWEIZ AG, Baden (C...


1. A reverse current inhibitor, comprising:at least one diode that is bridged by a first variable resistance element;
a sensing circuit;
a first switching device configured to switch the first variable resistance element from a first higher resistance to a second lower resistance in response to a forward current that has passed the diode in its forward direction; and
a second switching device configured to switch the first variable resistance element to a higher resistance in response to the sensing circuit detecting a reverse current corresponding to the reverse direction of the diode,
wherein the sensing circuit comprises a current-voltage converter that includes a sensing resistor and is configured to amplify a voltage drop over the sensing resistor for one sign of the voltage drop only,
wherein the sensing circuit is configured to amplify the voltage drop if the sign is positive, and to output zero voltage and zero current if the sign is negative,
wherein the voltage drop is first amplified into an output voltage and the output voltage is subsequently converted into an output current,
wherein the current-voltage converter comprises an operational amplifier with a negative input and a positive input, the negative input being coupled to one side of the sensing resistor and the positive input being coupled to an other side of the sensing resistor, and
wherein the output voltage of the operational amplifier is configured to control a second variable resistance element, so as to convert the output voltage into the output current.

US Pat. No. 11,114,837

GROUND OVERCURRENT CONTROL SYSTEM AND METHODS OF USING SAME

Molex, LLC, Lisle, IL (U...


1. A ground overcurrent control system, the ground overcurrent control system comprising:an electrical connector, the electrical connector including a ground member;
a ground circuit, the ground circuit including a first section and a second section, the first section being electrically connected to the ground member of the electrical connector, the second section being electrically connected to a ground reference;
a switch element operatively positioned between the first section of the ground circuit and the second section of the ground circuit, the switch element being configured to operate in a first condition in which the first section and the second section are electrically connected and a second condition in which the first section and the second section are electrically isolated;
a first sensor system configured to generate first signals indicative of a current passing through the first and second sections of the ground circuit while the switch element is in the first condition;
a controller configured to:store a current threshold;
generate a command to modify the switch element from the second condition to the first condition upon initially providing power to the ground overcurrent control system;
receive the first signals from the first sensor system;
determine the current within the ground circuit based upon the first signals while the switch element is in the first condition; and
upon the current exceeding the current threshold, generate a command to modify the switch element from the first condition to the second condition; and

a signal circuit and a signal switch element, and the electrical connector further comprising a signal contact;
the signal circuit including a first section and a second section, the first section of the signal circuit being electrically connected to the signal contact of the electrical connector,
the signal switch element being operatively positioned between the first section of the signal circuit and the second section of the signal circuit, the signal switch element being configured to operate in a first condition in which the first section and the second section are electrically connected and a second condition in which the first section and the second section are electrically isolated, and
the controller is further configured to:
upon the current exceeding the current threshold, generate a command to modify the signal switch element from the first condition to the second condition.

US Pat. No. 11,114,836

SEMICONDUCTOR DEVICE, INTELLIGENT POWER MODULE AND POWER CONVERSION APPARATUS

Mitsubishi Electric Corpo...


1. A semiconductor device comprising:a power semiconductor element;
a main electrode terminal of the power semiconductor element;
a sensor section that emits a signal corresponding to a physical state of the power semiconductor element;
a sensor signal terminal connected to the sensor section;
a drive terminal that supplies power to drive the power semiconductor element; and
a case that accommodates the power semiconductor element, the main electrode terminal, the sensor section, the sensor signal terminal and the drive terminal,
wherein the sensor signal terminal and the drive terminal are provided so as to be connectable from outside the case.

US Pat. No. 11,114,835

COMPOSITE LIGHTNING STRIKE PROTECTION SYSTEM

Touchstone Research Labor...


1. A lightning strike protection system comprising:a graphite spreader shield layer, wherein the graphite spreader shield layer comprises flexible graphite having an in-plane electrical conductivity that is about 100 times greater than the flexible graphite through-plane electrical conductivity; and
a porous carbon thermal insulating layer comprising carbon foam having a thermal conductivity below about 0.5 W/mK and a thickness not greater than about 0.5 inches, wherein the porous carbon thermal insulating layer is positioned between the graphite spreader shield layer and a surface of an object to be protected.

US Pat. No. 11,114,834

STRAIN BACKUP INTEGRATED DEVICE CARBON FIBER WIRE


1. A complete set of tension backup device for carbon fiber wire, comprising a backup tension device (1), a performed armor rod (2), a parallel hanging plate (3), an adapter base (4), a wire drawing device (5), a support damper clamp (6), U-shaped pulling ring (7), a triangular hanging plate (8) and a tensioning device (9), wherein a surface of the carbon fiber wire at installation position of the backup tension device (1) is provided with the performed armor rod (2); a hanging plate (13) of the backup tension device (1) is connected to the adapter base (4) through the parallel hanging plate (3) and the tensioning device (9); one end of the wire drawing device (5) is connected to the adapter base (4) through the U-shaped pulling ring (7), an other end is connected to the tensioning device (9) arranged on the triangular hanging plate (8); the triangular hanging plate (8) is arranged on a fixed pole tower; the backup tension device (1) is a wedge-shaped backup strain clamp; the performed armor rod (2) is a wear-resistant pre-twisted wire; the support damper clamp (6) is arranged on carbon fiber split wire between an original strain clamp and the backup tension device (1) and arranged at intervals of 3-4 meters; the tensioning device (9) is a turn buckle with a closed-loop buckle at both ends.

US Pat. No. 11,114,833

WIRE EXTERIOR BODY AND EXTERIOR-COVERED WIRE HARNESS

FURUKAWA ELECTRIC CO., LT...


1. A wire exterior body to be mounted on an outer periphery of an electric wire, the wire exterior body being formed of a resin sheet that is bent, the wire exterior body comprisinga plurality of wall parts extending along an extending direction of the electric wire, the plurality of the wall parts forming an accommodating part that accommodates the electric wire, wherein
among the plurality of the wall parts, at least one wall part has a through-hole, penetrating in a thickness direction of the resin sheet, into which an attaching member attachable to a vehicle body is inserted, and a groove in which a thickness of the resin sheet is reduced is formed on a part around the through-hole on at least one surface of an upper surface and a lower surface facing the thickness direction.

US Pat. No. 11,114,832

WIRING MEMBER FIXING BODY

YAZAKI CORPORATION, Toky...


1. A wiring member fixing body comprising:a first housing space portion that houses a part in a wiring direction of at least one flat wiring member;
a second housing space portion that is formed adjacent to the first housing space portion and houses at least one or more other wiring members having a sectional shape different from a sectional shape of a cross section orthogonal to an axial direction of the flat wiring member; and
a first housing member and a second housing member that form, in a locked state in which the first housing member and the second housing member are disposed to be opposed in an opposing direction orthogonal to the wiring direction and are locked to each other, the first housing space portion and the second housing space portion along an orthogonal direction orthogonal to the wiring direction and the opposing direction, wherein
both ends in the wiring direction of the first housing space portion and the second housing space portion communicate with an outside, and
from the second housing space portion, at least one another second housing space portion is formed across the first housing space portion in the orthogonal direction.

US Pat. No. 11,114,831

FLASHING HOOD FOR UTILITY LINES


1. A flashing hood for utility lines passing through a wall of a building, the flashing hood comprising:a plate body having a plate opening extending therethrough; and
an enclosed hood body that surrounds the plate opening, the enclosed hood body comprising:a sidewall having a seal-receiving profile along a bottom of the enclosed hood body, and a cover-receiving profile that is spaced from the plate body and above the seal-receiving profile;
a removable seal that engages the seal-receiving profile, the removable seal having a sealing profile that seals against one or more utility lines when installed; and
a removable cover that engages the cover-receiving profile, wherein:the removable cover secures the removable seal in engagement with the seal-receiving profile;
the sidewall, the removable seal, and the removable cover define an enclosure; and
when the removable cover and the removable seal are removed, the sidewall defines an access opening that surrounds the plate opening.



US Pat. No. 11,114,830

NETWORKING ENCLOSURE ASSEMBLY WITH MAGNETIC ALIGNMENT AND INTERLOCKING, ADAPTABLE TO BE INSTALLED IN DIFFERENT LOCATIONS AND POSITIONS

PRIMEX MANUFACTURING LTD....


1. An apparatus comprising:a receptacle comprising a first structure comprising first alignment surfaces and a first magnet; and
a lid that telescopically interacts with the receptacle, the lid comprising a second structure comprising second alignment surfaces and a second magnet, the lid further comprising a frame, an end wall, and a plurality of ties attaching the end wall to the frame, the plurality of ties spaced apart from another to define a plurality of openings extending through the lid to permit air flows into and out of the receptacle,
the first alignment surfaces positioned to contact the second alignment surfaces such that when the first alignment surfaces contact the second alignment surfaces, the first alignment surfaces and the second alignment surfaces (i) align the lid with the receptacle by restricting movements of the lid to a movement direction relative to the receptable and (ii) position the first magnet across from the second magnet in a direction transverse with the movement direction so that (iii) the first magnet and the second magnet interlock the lid with the receptacle by moving the second alignment surfaces along the first alignment surfaces in the movement direction using a magnetic force generated between the first magnet and the second magnet.

US Pat. No. 11,114,829

ELECTRIC CONNECTION BOX

YAZAKI CORPORATION, Toky...


1. An electric connection box comprising:a housing including an opening;
a first lid portion including a first body wall that closes the opening of the housing, and a first peripheral wall extending from a periphery of the first body wall toward the housing;
a groove provided between the first peripheral wall and a wall portion arranged to be spaced apart from the first peripheral wall, the groove having openings of two ends of the groove in a longitudinal direction; and
a pair of water stop walls provided on the first lid portion and configured to cover the openings of the two ends of the groove in the longitudinal direction, respectively.

US Pat. No. 11,114,828

ELECTRICAL RECEPTACLE COVER


1. An electrical receptacle cover, comprising:a cover base, configured to be affixed to an electrical receptacle assembly, including a base surface having at least one opening configured to be aligned with an electrical receptacle of the electrical receptacle assembly; the cover base including a base wall disposed about and extending from a perimeter of the base surface; the base surface and the base wall together defining a base cavity;
a cover lid interconnected with the cover base and moveable, via a hinge, from an open position, in which the base cavity is exposed, to a closed position in which the base cover is substantially disposed within the base cavity,
wherein the cover base is rectangular in shape and the base wall comprises first and second opposing side wall segments and first and second opposing end wall segments, and
wherein the hinge of the cover lid is integrated within the first side wall segment and at least one recess is formed in a top surface of and extends through the second opposing side wall segment; the at least one recess is configured to receive a protrusion extending from an edge of the cover lid when the cover lid is in the closed position; the protrusion being accessible by a user inserting a finger into the recess by a movement substantially parallel to the cover lid to grip the protrusion for lifting the cover from the closed position to the open position.

US Pat. No. 11,114,827

DEEP FIBER PUSH CONNECTOR THAT ALLOWS FOR ROTATION DURING TIGHTENING WITHOUT DAMAGING CABLE

PPC BROADBAND, INC., Eas...


1. A connector, comprising:a first connector body configured to receive a shield of a hardline coaxial cable;
a second connector body configured to be coupled to the first connector body and to receive a tubular member; and
a washer disposed in the second connector body, the washer being configured to permit the tubular member to be pushed in a first direction through the second connector body and into the first connector body while resisting movement of the tubular member in a second direction opposite to the first direction,
wherein the second connector body is configured to rotate relative to the washer and the tubular member until the second connector body and the first connector body are coupled together to a predetermined degree of tightness, and
wherein the second connector body is rotatingly fixed with the washer and the tubular member when the second connector body and the first connector body are coupled together to at least the predetermined degree of tightness.

US Pat. No. 11,114,826

CONDUIT FITTING

GREASE FIRE BEGONE LLC, ...


9. A fire suppression system comprising:a control system including a storage container containing a fire suppression agent;
a protected area including an exhaust duct and an exhaust hood, the protected area including a plurality of conduits extending from the control system; and
at least one fusible link system positioned on at least one conduit of the plurality of conduits, the at least one fusible link system including an electrical mechanical tubing (EMT) connector comprising a threaded securing element; and
a conduit fitting configured to couple to the EMT connector, the conduit fitting comprising:an upper cylindrical section comprising a threaded receiving element configured to receive the threaded securing element of the EMT connector; and
a lower conical section including a continuous inner conical surface separated by a slit,
the upper cylindrical section and the lower conical section both including the slit extending partially through the conduit fitting.


US Pat. No. 11,114,825

JOINING METHOD OF ELECTRIC WIRES

YAZAKI CORPORATION, Toky...


1. A joining method of electric wires comprising:a holding step of arranging a conductive first conductor formed by a plurality of element wires and a conductive second conductor formed in a bar shape to be opposed to each other in an axial direction, holding an end of the first conductor by a first holding surface of a first jig electrode from an outer circumference side, and holding an end of the second conductor by a second holding surface of a second jig electrode from an outer circumference side;
an approaching step of relatively moving the first jig electrode and the second jig electrode to be opposed to each other in the axial direction and moving the end of the first conductor and the end of the second conductor to be closer to each other; and
a joining and molding step of abutting and joining the end of the first conductor and the end of the second conductor while heating the ends by energizing the first jig electrode and the second jig electrode and bulging a melted material outward from an outer circumferential surface of a joining portion to a bulge molding portion formed to surround the joining portion of the end of the first conductor and the end of the second conductor, wherein
the bulge molding portion has molding surfaces on the first jig electrode and the second jig electrode to mold the melted material and is formed so that widths of opposing portions of the molding surfaces opposed to each other so as to sandwich the joining portion in an orthogonal direction orthogonal to the axial direction are larger than a larger one of the widths of opposing portions of the first holding surface opposed to each other so as to sandwich the first conductor in the orthogonal direction and the widths of opposing portions of the second holding surface opposed to each other so as to sandwich the second conductor in the orthogonal direction.

US Pat. No. 11,114,824

PREFABRICATED SUPPORT FOR A RACK-MOUNTABLE ELECTRICAL DEVICE AND ELECTRICAL DEVICE COMPRISING SUCH A SUPPORT

Schneider Electric Indust...


1. Prefabricated support for a rack-mountable electrical device, the support comprising:a plate;
a one-piece body mounted on the plate;
an electrical connector, placed on a rear face of the prefabricated support;
preformed electrical conductors each comprising a first end and a second end;

the body defining, on the front face of the support, a reception housing intended to receive an electrical switching apparatus, the body also delimiting a passage in which the electrical conductors are housed, each first end of each electrical conductor being connected to the electrical connector and each second end of each electrical conductor emerging inside the reception housing, the body comprising an electrically insulating separating wall extending at right angles from an edge of the plate, said wall and at least one side of the plate forming a lateral face of the support, said lateral face comprising at least one first fixing member and at least one second fixing member, each second fixing member being of a form complementary to the first fixing member, each first member and each second member being adapted to be engaged with, respectively, another second member and another first member.

US Pat. No. 11,114,823

NON-ROTATIONALLY SYMMETRICAL SPARK GAP, IN PARTICULAR HORN SPARK GAP WITH DEION CHAMBER


1. A non-rotationally symmetrical horn spark gap with horn electrodes, a deion chamber and a multi-part insulating material housing as a support and receiving body (1) for the horn electrodes and the deion chamber (2), and means for conducting a gas flow related to an arc, wherein the insulating material housing is divided on a plane (3) defined by the horn electrodes and has two half shells, the half shells having an outer surface, and plug or screw connections (4; 5) which are lead out on an end face;characterized in that,
with exception of sections of the plug or screw connections (4; 5) which are lead out, the insulating material housing is surrounded on all sides by a cooling surface (7; 14) formed as a sheathing which is near the housing and lies against the housing surface,
wherein the cooling surface (7; 14) formed as a sheathing is at least partly supported on webs (8) present on the outer surface of the half shells which are designed to conduct the gas flow on the outer surface of the half shells.

US Pat. No. 11,114,822

OPTICAL SEMICONDUCTOR ELEMENT

KABUSHIKI KAISHA TOSHIBA,...


1. An optical semiconductor element, comprising:a substrate;
a light emitting layer including an AlGaAs multi quantum well layer; and
a distributed Bragg reflector provided between the substrate and the light emitting layer, the distributed Bragg reflector including a pair of a first layer and a second layer being periodically stacked, the first layer including AlxGa1-xAs, the second layer including Inz(AlyGa1-y)1-zP,
a refractive index n1 of the first layer being higher than a refractive index n2 of the second layer,
the first layer having a thickness larger than ?0/(4n1) where ?0 is a center wavelength of a band on wavelength distribution of a reflectivity of the distributed Bragg reflector, and
the second layer having a thickness smaller than ?0/(4n2),
wherein an In mixed crystal ratio z of the second layer is 0.45?z?0.525.

US Pat. No. 11,114,821

SEMICONDUCTOR LASER WAFER AND SEMICONDUCTOR LASER

KABUSHIKI KAISHA TOSHIBA,...


1. A semiconductor laser wafer, comprising:a substrate;
a first semiconductor layer provided on the substrate;
an active layer provided on the first semiconductor layer, multiple periods of pairs of a light-emitting multi-quantum well region and an injection multi-quantum well region being stacked in the active layer, the light-emitting multi-quantum well region being made of a first compound semiconductor and a second compound semiconductor, the injection multi-quantum well region being made of the first compound semiconductor and the second compound semiconductor;
a second semiconductor layer provided on the active layer; and
a composition evaluation layer including a first film and a second film and being provided above the active layer, the first film being made of the first compound semiconductor and having a first thickness, the second film being made of the second compound semiconductor and having a second thickness.

US Pat. No. 11,114,820

PUSH-PULL CIRCUIT WITH DRIVING ASSISTED BY ASYMMETRIC CHARGE SHARING

Hewlett Packard Enterpris...


1. A push-pull circuit for an opto-electronic device, comprising:an output node connected to a common node, wherein an input signal is transmitted over a line from the common node to the output node;
a pull-up circuit connected to the output node that, in operation, controls a falling edge rate of the input signal to the opto-electronic device while sharing charge with the output node, the pull-up circuit comprising:a current source;
a variable capacitance capacitor in parallel with the current source; and
a controllable switch in series with the current source and the variable capacitance capacitor to connect and disconnect the current source and the variable capacitance capacitor to and from the output node; and
a pull-down circuit connected to the output node that, in operation, controls a rising edge rate of the input signal to the opto-electronic device while sharing charge with the output node, the pull-down circuit comprising:
a current sink;
a variable capacitance capacitor in parallel with the current sink; and
a controllable switch in series with the current sink and the variable capacitance capacitor to connect and disconnect the current sink and the variable capacitance capacitor to and from the output node,
wherein the pull-up circuit and the pull-down circuit is configured to convert the input signal at the output node to an output signal to the opto-electronic device that equalizes the output signal of the electro-optic device based on a difference in the falling edge rate of the input signal caused by the pull-up circuit and the rising edge rate of the input signal by the pull-down circuit.


US Pat. No. 11,114,819

LASER CARRIER-ON-CHIP DEVICE

FINISAR SWEDEN AB, Jarfa...


1. A semiconductor laser chip-on-carrier (CoC) device comprising:a semiconductor laser component arranged in the form of a laser chip mounted on a semiconductor carrier, the semiconductor laser component comprising an electric laser terminal;
a driver circuit for producing on an electric driver terminal an alternating current electric driving signal, the electric driver terminal having an output impedance; and
an electric signal conductor electrically connecting the electric driver terminal to the electric laser terminal, wherein the electric signal conductor comprises:a first printed trace, which first printed trace is not arranged on the semiconductor laser component and which first printed trace comprises a first trace elongated section and a first trace downstream terminal section; and
a first wire bond, connecting the first trace downstream terminal section to the electric laser terminal, and

wherein the first trace elongated section is adapted to the semiconductor laser component such that the first trace elongated section and an internal capacitance of the semiconductor laser component together correspond to an input impedance which is at most 20% from the output impedance of the electric driver terminal of the driver circuit.

US Pat. No. 11,114,818

PHOTONIC CHIP PASSED THROUGH BY A VIA


1. A photonic chip lying in a plane, the photonic chip comprising:a substrate having an upper face and a lower face that are parallel to the plane of the chip, this substrate comprising, between the upper and lower faces;
an interconnection layer of thickness larger than 50 ?m, this interconnection layer being devoid of optical components,
an optical layer bonded, at a bonding interface, to the interconnection layer,
at least one optical component buried in an interior of the optical layer,
an electrical terminal chosen from a group consisting of an electrical contact embedded in the interior of the optical layer, this embedded electrical contact being that of the optical component or of an electronic component, and of an electrical track produced on the upper face of the substrate,
electrical connection pads produced on the lower face of the substrate, each of these pads being able to be electrically connected by way of a solder bump to another carrier,
a primary via extending through the interconnection layer from the lower face in order to electrically connect one of the connection pads to the electrical terminal, this primary via having a diameter larger than or equal to 10 ?m, wherein
the thickness of the optical layer is smaller than 15 ?m,
the primary via extends through the interconnection layer solely between the lower face and the bonding interface so that the primary via does not extend into the interior of the optical layer,
the photonic chip comprises a secondary via that extends the primary via into the interior of the optical layer in order to electrically connect the primary via to the electrical terminal, this secondary via extending in the interior of the optical layer from the bonding interface to the electrical terminal, a maximum diameter of the secondary via being smaller than 3 ?m,
the electrical terminal is the electrical track produced on the upper face of the substrate,
the photonic chip comprises a metal line embedded in the interior of the optical layer, this embedded metal line lying mainly in a plane parallel to the plane of the chip,
the secondary via comprises:
a first portion of the second via that extends, through the optical layer from the bonding interface to the embedded metal line, and
a second portion of the secondary via that extends, through the optical layer, from the embedded metal line to the electrical terminal, this second portion of the secondary via electrically connecting the embedded metal line to the electrical terminal.

US Pat. No. 11,114,817

SEMICONDUCTOR LASER DEVICE

USHIO DENKI KABUSHIKI KAI...


1. A semiconductor laser device, comprising:a monocrystalline electrically conductive GaN sub-mount substrate having a crystalline structure including a first crystalline plane and a second crystalline plane, the first crystalline plane being a c-plane and having a normal line direction thereof on a first crystalline axis and the second crystalline plane being an a-plane and having a normal line direction thereof on a second crystalline axis having a higher thermal conductivity than the first crystalline axis;
a semiconductor laser chip configured to be joined to a side of a first surface of the sub-mount substrate;
a first joining layer configured to join the semiconductor laser chip to the first surface of the sub-mount substrate;
a second joining layer configured to join a second surface of the sub-mount substrate to a heatsink; and
an insulating film having a thickness less than 10 um and greater than or equal to 0.2 um and configured to insulate the semiconductor laser chip from the heatsink, and
the first surface of the sub-mount substrate being offset from the first crystalline plane at an angle between 4 degrees and 20 degrees so as to add a component in a direction of the second crystalline axis which has a higher thermal conductivity as compared to a line normal to the first surface of the sub-mount substrate.

US Pat. No. 11,114,816

DIFFRACTIVE OPTICAL ELEMENT WITH OFF-AXIS INCIDENCE IN A STRUCTURED LIGHT APPLICATION

Lumentum Operations LLC, ...


1. A structured light system, comprising:a semiconductor laser to emit light; and
a diffractive optical element to diffract the light such that one or more diffracted orders of the light, associated with forming a structured light pattern, are transmitted by the diffractive optical element within a field of view defined by an angular range of the one or more diffracted orders, the angular range being defined with respect to, and inclusive of, a normal of an output surface of the diffractive optical element,wherein the diffractive optical element is arranged such that the light is to be incident on the diffractive optical element at a substantially non-normal angle of incidence,wherein the substantially non-normal angle of incidence is designed to cause the diffractive optical element to transmit a zero-order beam of the light outside of the field of view;

wherein the diffractive optical element includes a profile that causes the diffractive optical element to transmit the one or more diffracted orders asymmetrically with respect to the zero-order beam in a manner designed to minimize an amount of the light transmitted on a side of the zero-order beam that is opposite the field of view; and
wherein the zero-order beam and the one or more diffracted orders have a same wavelength.


US Pat. No. 11,114,815

RARE-EARTH ION-DOPED WAVEGUIDE AMPLIFIERS

Acacia Communications, In...


1. An apparatus comprising:a silicon photonics chip; and
a rare-earth-ion-doped waveguide amplifier chip; wherein the rare-earth ion-doped waveguide amplifier is proximate to and optically coupled to the silicon photonics chip; wherein the rare-earth-ion-doped waveguide amplifier chip is mechanically aligned to the silicon photonics chip.

US Pat. No. 11,114,814

RELATIVE PHASE MEASUREMENT FOR COHERENT COMBINING OF LASER BEAMS


1. A phase control system for controlling a relative phase of two laser beams of a laser system, the phase control system comprising:an optical system including:a beam input configured to receive a measuring portion of two coherent laser beams that are to be superimposed collinearly to form a sum laser beam, and
a beam splitter configured to generate at least three measuring beams from the measuring portion of the two coherent laser beams, wherein the at least three measuring beams propagate on at least three associated measuring beam paths, and wherein the associated at least three measuring beam paths are configured to generate different phase offsets of the at least three measuring beams by projecting the at least three measuring beams onto at least three polarization directions;

at least three photodetectors coupled to the at least three measuring beam paths and configured to output at least three photodetector signals corresponding to the at least three measuring beams having the different phase offsets;
an evaluation device configured to generate a control signal based on the at least three photodetector signals, wherein the control signal corresponds to a relative phase between the two coherent laser beams based on an evaluation of a polarization state of the measuring portion; and
a delay device configured to be inserted into a beam path of at least one of the two coherent laser beams to be collinearly superimposed, wherein the delay device has an optical path length adjustable in dependence on the control signal.

US Pat. No. 11,114,813

INTEGRATED PUMPLIGHT HOMOGENIZER AND SIGNAL INJECTOR FOR HIGH-POWER LASER SYSTEM

Raytheon Company, Waltha...


1. A system comprising:a master oscillator configured to generate a first optical beam;
a planar waveguide (PWG) amplifier configured to receive the first optical beam and pumplight, the PWG amplifier also configured to generate a second optical beam using the first optical beam and the pumplight; and
a light pipe comprising:a first optic configured to substantially homogenize the pumplight via internal reflection and to inject the substantially homogenized pumplight into a planar waveguide of the PWG amplifier, and
a cladding comprising second and third optics separated from one another by a first gap, the first gap forming a first area of reflection, the first area of reflection configured to:fold the first optical beam and thereby redirect the first optical beam into the planar waveguide, and
reflect stray pumplight toward a first beam dump;


wherein the second optical beam has a higher power than the first optical beam.

US Pat. No. 11,114,812

OPTICAL TUBE WAVEGUIDE LASING MEDIUM AND RELATED METHOD

Corning Incorporated, Co...


1. A method of forming a laser waveguide comprising:delivering a first stream of glass soot particles from a soot generating device to a target rod such that a first layer of glass soot particles is formed surrounding the target rod;
delivering a second stream of glass soot particles from the soot generating device toward the target rod after formation of the first layer of glass soot particles, wherein the second stream of glass soot particles forms a second layer of glass soot particles and includes a laser-active material;
delivering a third stream of glass soot particles from the soot generating device toward the target rod after formation of the second layer of glass soot particles such that a third layer of glass soot particles is formed; and
sintering the first, second and third layers of glass soot particles such that first, second and third sintered glass layers are formed from the first, second and third glass soot layers, respectively,
wherein a diameter of the first stream, the second stream, and the third stream are each less than a diameter of the target rod.

US Pat. No. 11,114,811

MULTIMODE FIBER, OPTICAL AMPLIFIER, AND FIBER LASER

FUJIKURA LTD., Tokyo (JP...


1. A multi-mode fiber that comprises a rare-earth-ion-doped core and that has a normalized frequency of not less than 2.40,the multi-mode fiber comprising a filter portion that is formed by bending a partial section of the multi-mode fiber,
the filter portion having a smallest diameter of a bend of the filter portion that is set so that (1) only LP01, LP11, LP21, and LP02 modes propagate or only LP01 and LP11 modes propagate and (2) a loss of a highest-order one of the modes that propagate is not more than 0.1 dB/m,
wherein the multi-mode fiber comprises a remainder portion that is formed by bending a partial section of the multi-mode fiber,
the filter portion is positioned on an upstream side of the remainder portion,
the smallest diameter of the bend of the filter portion is smaller than the smallest diameter of a bend of the remainder portion.

US Pat. No. 11,114,810

LASER DEVICE

HAMAMATSU PHOTONICS K.K.,...


1. A laser device comprising:a first laser medium and a second laser medium that have a first surface and a second surface opposite to the first surface, and receive input of excitation light and seed light from the first surface side to amplify the seed light;
a holder that holds the first laser medium and the second laser medium; and
a pair of cooling units that cool the first laser medium and the second laser medium according to change in volume of a refrigerant,
wherein a first mirror that reflects at least the seed light is provided on the second surface,
the first laser medium and the second laser medium are disposed at relative positions in which the seed light reflected by the first mirror of the first laser medium is further reflected by the first mirror of the second laser medium,
the holder integrally holds the first laser medium and the second laser medium so that the relative position is maintained,
the first laser medium and the second laser medium are disposed such that the first mirror of the first laser medium and the first mirror of the second laser medium are parallel to each other,
the pair of cooling units include a refrigerator that cools the first laser medium and the second laser medium according to compression and expansion of the refrigerant, and
the first laser medium and the second laser medium are thermally connected to the pair of cooling units via a respective flexible heat conductive member.

US Pat. No. 11,114,809

FIBER OPTIC DEVICE OPERATIONAL MONITORING

Lumentum Operations LLC, ...


1. A method, comprising:receiving, by a monitoring device, sensor information associated with an optical device included in a high-power fiber laser,wherein the sensor information is received from a set of sensors associated with the optical device;

determining, by the monitoring device and based on the sensor information, a set of operational properties of the optical device,wherein the set of operational properties includes at least one of:a health property that describes a health of one or more components of the optical device,
a degradation property that describes degradation of one or more components of the optical device,
an environmental property that describes an environment of the optical device, or
a process property associated with a process in which the optical device is being used, and

wherein, when the set of operational properties includes the degradation property, the set of sensors includes:a temperature sensor to measure a temperature at or near the one or more components of the optical device;
a photodiode arranged to measure scattered light at or near the one or more components of the optical device;
a stress sensor arranged to measure stress at or near the one or more components of the optical device; or
a camera arranged to identify hot spots at or near the one or more components of the optical device;


identifying, by the monitoring device, whether an operational property, of the set of operational properties, satisfies a condition; and
selectively performing, by the monitoring device, a monitoring action based on whether the operational property satisfies the condition.

US Pat. No. 11,114,808

CONNECTOR ASSEMBLY

TARNG YU ENTERPRISE CO., ...


1. A connector assembly including:a female connector including:a female insulator defined with a first female circular trajectory, and including a first female circular insertion slot and a plurality of first female conductor mounting areas, wherein the first female circular insertion slot is extended along the first female circular trajectory, and the plurality of first female conductor mounting areas are placed at intervals along the first female circular trajectory in a manner that, on the first female circular trajectory there is an interval of first arc angle between adjacent two of the first female conductor mounting areas;
a plurality of first female conductors, each of which is mounted on a corresponding one of the plurality of first female conductor mounting areas, wherein the plurality of first female conductors are provided on the first female circular trajectory with the interval of first arc angle between adjacent two of the first female conductors; and

a male connector including:a male insulator defined with a first male circular trajectory and including a plurality of first male conductor mounting areas, wherein the plurality of first male conductor mounting areas are placed at intervals along the first male circular trajectory in a manner that, on the first male circular trajectory there is an interval of second arc angle between adjacent two of the first male conductor mounting areas;
a plurality of first male conductors, each of which is mounted on a corresponding one of the plurality of first male conductor mounting areas, wherein the plurality of first male conductors are provided on the first male circular trajectory with the interval of second arc angle between adjacent two of the first male conductors; wherein,
the first female circular trajectory and the first male circular trajectory have substantially identical contour, allowing each of the first male conductors to be able to enter the first female circular insertion slot;
the first arc angle is substantially different in value from the second arc angle, allowing at least one of the plurality of first female conductors to be electrically connected to at least one of the plurality of first male conductors entering the first female circular insertion slot so as to assure electrical connection between the female connector and the male connector.


US Pat. No. 11,114,807

CIRCUIT BOARD BYPASS ASSEMBLIES AND COMPONENTS THEREFOR

Molex, LLC, Lisle, IL (U...


1. A bypass assembly, comprising:a box with a front panel;
a first cage and a second cage positioned in the box, each of the cages having a four side walls that help define a port, the four side walls defining a port opening that is positioned in the front panel, wherein each of the first and second cages are separate and the first cage is stacked on top of the second cage;
a connector positioned in each of the first cage and the second cage, the connector not being mounted to a circuit board and having a card slot configured to mating with an inserted module, the connector rearwardly from the front opening and having a first and second row of terminals positioned in the card slot, each of the terminals including a contact and a tail, the contacts being positioned in the card slot in a cantilevered manner; and
a plurality of conductors connected to the tails, at least some of the conductors arranged in pairs in a twin-ax configured cable to provide high-speed differential channel that extends from the terminals in the first row through the twin-ax configured cable, wherein other of the conductors are configured to provide low-speed signals and/or power.

US Pat. No. 11,114,806

COAXIAL CONNECTOR DEVICE HAVING MAIN CONNECTOR TO WHICH CABLE IS CONNECTED AND BOARD CONNECTOR TO WHICH MAIN CONNECTOR IS CONNECTED

CANARE ELECTRIC CO., LTD....


1. A coaxial connector device for electrically connecting a coaxial cable connector and a printed circuit board, the device comprising:a main connector; and
a board connector to be mounted on a printed circuit board,
the main connector includinga conductive main connector body having a first fitting part for a coaxial cable connector at one end and a second fitting part at the other end;
a center contact positioned, inside the main connector body, on a side with the first fitting part; and
a card edge substrate positioned, inside the main connector body, on a side with the second fitting part, the card edge substrate being electrically connected to the center contact,

the board connector includinga board connector body in which a slot is formed, the board connector body being provided with a plurality of contacts in the slot; and
an outer conductor contact provided in the board connector body,

wherein, when the second fitting part of the main connector is fitted to the board connector, an end portion of the card edge substrate is coupled to the slot in the board connector body, a plurality of substrate contacts included in the card edge substrate electrically contact the plurality of contacts of the board connector body, and the second fitting part of the main connector body electrically contacts the outer conductor contact.

US Pat. No. 11,114,805

MARINE SHORE POWER COMPONENT


1. A shore power cord, comprising:a single connector plug configured to connect to an electrical power source, and wherein the single connector plug is rated at a first amperage;
a connector receptacle configured to connect to an electrical power receiver, and wherein the connector receptacle is rated at a second amperage;
wherein the connector plug and the connector receptacle are electrically coupled via a plurality of electrically conductive lines including at least one electrically hot “hot” line;
a circuit breaker positioned along the at least one electrically hot line between the connector plug and the connector receptacle;
wherein the at least one electrically hot line from the connector plug makes a direct electrical connection to the circuit breaker, and the at least one electrically hot line from the circuit breaker makes a direct electrical connection to the connector receptacle; and
wherein the circuit breaker has an amperage rating that corresponds to the second amperage rating of the connector receptacle, such that if the electrical current at the connector receptacle exceeds the second amperage, the circuit breaker trips.

US Pat. No. 11,114,804

SHIELDED-CABLE PASS-THROUGH ASSEMBLY WITH BOUNDRY CONTACT

APTIV TECHNOLOGIES LIMITE...


1. A shielded cable pass through assembly configured to provide electrical contact between a shielding layer of a shielded cable and a boundary through which the shielded cable passes, said assembly comprising:a metallic sleeve that defines a shield surface used to make electrical contact with the shielding layer of the shielded cable;
a contact terminal that defines a contact feature used to make electrical contact with the boundary through which the shielded cable passes, and defines a plurality of inner contact fingers extending from the contact terminal in a longitudinal direction parallel to a longitudinal axis of the shielded cable, wherein the plurality of inner contact fingers is urged in a radial direction to make electrical contact with a contact surface of the metallic sleeve after the assembly is assembled; and
a retainer that defines a hook that fits into an opening defined by the metallic sleeve, wherein the hook and the opening cooperate to retain the metallic sleeve on the retainer and prevent rotation of the metallic sleeve relative to the retainer after the assembly is assembled.

US Pat. No. 11,114,803

CONNECTOR SYSTEM WITH WAFERS

Molex, LLC, Lisle, IL (U...


1. An electrical connector assembly comprising:a housing member, the housing member having a plurality of outer surfaces;
a plurality of wafers supported by the housing member, each wafer including a plurality of electrically conductive terminals and an insulative support member supporting the electrical terminals, each terminal having a contact configured to electrically connect the terminal to another electrical component; and
a satellite connector disposed along one of the outer surfaces of the housing member, the satellite connector including an insulative satellite housing and a plurality of connections supported by the satellite housing, each connection having a termination section, the termination section being operatively connected to a cable.

US Pat. No. 11,114,802

ELECTRICAL CONNECTOR AND LOCKING MEMBER


1. An electrical connector comprising:a first connector mounted on a tip end of a cable and including a conductive contact configured to be electrically connected to a mating contact of a second connector, wherein the conductive contact includes a cylindrical fitting portion, and wherein an outer diameter of the fitting portion is configured to expand when the fitting portion is connected to or removed from the mating contact; and
a locking member mounted on the first connector and including:a pair of arm portions configured to restrict an expansion of the outer diameter of the fitting portion, in a restricted state, by sandwiching the fitting portion in a radial direction in which the pair of arm portions face each other after the fitting portion has been connected to the mating contact of the second connector; and
a positioning portion configured to restrict a movement of the first connector in the radial direction when the pair of arm portions sandwich the fitting portion, the first connector including a rear portion located rearward from the fitting portion toward a base end of the cable opposite the tip end, wherein the positioning portion faces the rear portion of the first connector in the radial direction, in the restricted state, in order to restrict the movement of the rear portion in the radial direction, and

wherein the locking member is configured to move relative to the first connector in a moving direction between a first position associated with the restricted state and a second position associated with a standby state in which the pair of arm portions do not restrict the expansion of the outer diameter of the fitting portion,
the first connector has a rail portion configured to assist the movement of the locking member in the moving direction, and
a surface of the positioning portion which faces the rear portion of the first connector is located inward from an outer surface of the rail portion in the radial direction.

US Pat. No. 11,114,801

CONNECTOR

Sumitomo Wiring Systems, ...


1. A connector, comprising:a housing to be connected to a mating housing; and
a separate connection detecting member to be slidably mounted on the housing for connection assurance of the housing and the mating housing,
wherein:
the connection detecting member is relatively displaceable between a connection assurance position where connection assurance of the housing and the mating housing is made and a connection assurance release position where the connection assurance is released,
the connection detecting member is mountable on the housing by being pushed and displaced from a pre-assembling position before assembling is performed to the connection assurance release position in mounting the connection detecting member on the housing,
flexible arms are provided on both side parts of the connection detecting member,
the housing is provided with two side walls spaced apart in a direction intersecting a sliding direction of the connection detecting member and extending parallel to the sliding direction of the connection detecting member,
two first guide grooves along the sliding direction of the connection detecting member and two second guide grooves parallel to the first guide grooves and disposed above the first guide grooves are provided respectively in the side walls,
tip of the arms are in the first guide grooves at the connection assurance position and the connection assurance release position and the tip of the arms are in the second guide grooves at the pre-assembling position, and
the arms are deflected by pushing the connection detecting member, and the connection detecting member is displaced to the connection assurance release position when the connection detecting member is displaced from the pre-assembling position to the connection assurance release position.

US Pat. No. 11,114,800

RELEASE WITH TAB AND CONNECTOR

DONGGUAN LUXSHARE TECHNOL...


1. A release disposed on a connector head, comprising:an elastic clip comprising a first chuck part, a second chuck part, and an elastic part disposed on the connector head, wherein the first chuck part is directly pivotally connected to the second chuck part, and the elastic part is disposed between the first chuck part and the second chuck part; and
a tab assembly, one end of which is disposed on the elastic clip, wherein the tab assembly moves in a direction away from the elastic clip to compress the elastic part and the tab assembly drives one end of the first chuck part to approach one end of the second chuck part,
wherein the tab assembly comprises a shaft and a tab, the shaft is disposed at the other end of the first chuck part and the other end of the second chuck part, and the tab is connected to the shaft, so that the first chuck part and the second chuck part are pushed by the shaft to compress the elastic part and make the one end of the first chuck part approach the one end of the second chuck part when the tab moves in the direction away from the elastic clip to make the shaft move with the tab.

US Pat. No. 11,114,799

HOUSING FOR A PLUG COMPRISING A DISPLAY UNIT

TE Connectivity Germany G...


1. A housing for a plug having a contact space for contacts, comprising:a display unit indicating a complete plugging of a counter-plug into the housing, the display unit is movable along a longitudinal axis of the housing between an initial position and an assembly position, the display unit including a locking element, a guide element, and a supporting element, the locking element has a resilient bridge with a first end fixed to the guide element; and
a first stop preventing the display unit from moving in the initial position by abutment of a free end of the bridge on the first stop, the free end is bent in a bending plane in a direction of the guide element when moving in a direction of the first stop, the supporting element is arranged in the bending plane between the bridge and the guide element, the supporting element supports the bridge at the guide element when the bridge deforms in the direction of the guide element and prevents a deformation of the bridge away from the abutment on the first stop.

US Pat. No. 11,114,798

CONNECTOR

Sumitomo Wiring Systems, ...


1. A connector to be mounted on a case to electrically connect a device arranged inside the case and a device arranged outside the case, comprising:a housing made of resin and including a separation wall separating an inside and an outside of the case;
a cover made of resin and to be mounted on the housing;
accommodating portions defined by the housing and the cover;
a partition wall provided between the accommodating portions and partitioning between the accommodating portions,
a plurality of busbars, each of the busbars including a first end part provided with a connecting portion to be connected to a terminal of a wire routed inside the case, the connecting portions individually being accommodated respectively in the accommodating portions defined by the housing and the cover so that the connecting portions are covered by the cover, and each of the busbars further having a second end part on a side opposite to the first end part, the busbars being embedded in the separation wall, with the first end part and the second end part of each of the busbars being exposed from the separation wall.

US Pat. No. 11,114,797

CAGE, ELECTRICAL EQUIPMENT AND PARTITION ASSEMBLY

Tyco Electronics (Shangha...


1. A cage, comprising:a housing; and
a partition assembly mounted in the housing and separating an inner space of the housing into an upper space and a lower space, the partition assembly including a first support plate and a second support plate arranged horizontally, and at least a pair of support frames disposed between the first support plate and the second support plate to separate the first support plate from the second support plate by a predetermined height, the support frames have a plurality of through holes, the support frames are formed by bending a front end of one of the first support plate and the second support plate, the front end of the first support plate is bent upward by 90 degrees to form a front support frame of the support frame, an upper end of the front support frame is bent backward by 90 degrees to form an upper support frame, and a rear end of the upper support frame is bent downward by 90 degrees to form a rear support frame.

US Pat. No. 11,114,796

ELECTRICAL CONNECTOR WITH MODULAR HOUSING FOR ACCOMMODATING VARIOUS CONTACT LAYOUTS

Carlisle Interconnect Tec...


1. An electrical connector comprising:a shell having a cavity; and
an electrical contact assembly housed within the cavity of the shell, the electrical contact assembly including:a contact housing including a core extending along an axial direction and a plurality of fins radiating outwardly from the core, each of the fins separating adjacent housing-receiving cavities from one another;
a first housing structure having a first plurality of electrical contacts housed therein, the first housing structure seated within a first housing-receiving cavity of the contact housing; and
a second housing structure having a second plurality of electrical contacts housed therein, the second housing structure seated within a second housing-receiving cavity of the contact housing, wherein the first and second plurality of electrical contacts are different from one another, wherein the first and second housing structures each includes a flange extending outwardly therefrom, the electrical connector further including a fastener extending into the core of the contact housing, the fastener engaging the flange of the first and second housing structures to retain the first and second housing structures within the contact housing.


US Pat. No. 11,114,795

MALE TERMINAL, MALE CONNECTOR, JIG AND METHOD FOR ASSEMBLING MALE CONNECTOR

AutoNetworks Technologies...


1. A male connector, comprising:a male terminal including a terminal body with a tab extending forward and a cover slidable between a protection position for accommodating the tab inside a sheath portion and a retracted position for exposing a front end part of the tab from a front end of the sheath portion, the cover including a magnet or a magnetic material;
a connector housing including a cavity for accommodating the male terminal, and
a retainer movable with respect to the connector housing between a partial locking position separated from the male terminal and a full locking position for retaining the male terminal by being held in contact with the male terminal,
wherein:
the connector housing is provided with a full locking portion for holding the retainer at the full locking position by locking the retainer,
a cam pin projecting outward is provided on an outer surface of the retainer, and
the retainer is moved to the full locking position with the cam pin located in a starting end part of a cam groove provided in a jig and the retainer is moved to the partial locking position with the cam pin moved to a final end part of the cam groove.

US Pat. No. 11,114,794

CONNECTOR ON ELECTRIC VEHICLE FOR CHARGING THE ELECTRIC VEHICLE

Sumitomo Wiring Systems, ...


1. A connector, comprising:a first terminal including a shaft-like first terminal portion and a first flange protruding from the first terminal portion;
a second terminal including a shaft-like second terminal portion and a second flange protruding from the second terminal portion;
a housing open forward and including a first accommodating portion into which the first terminal is accommodated from behind and retained so as not to come out forward and a second accommodating portion into which the second terminal is accommodated from behind and retained so as not to come out forward; and
a retainer to be assembled with the housing from behind the housing;
wherein:
the first terminal is positioned at a proper position in a front-rear direction with respect to the housing by being accommodated into the first accommodating portion along an axial direction of the first terminal portion and having the first flange locked by a first locking portion provided on an inner wall of the first accommodating portion; and
the second terminal is positioned at a proper position in the front-rear direction with respect to the housing by being accommodated into the second accommodating portion along an axial direction of the second terminal portion and having the second flange locked by a second locking portion provided on an inner wall of the second accommodating portion and the second terminal is positioned rearward of the proper position in the front-rear direction if the second terminal is accommodated into the first accommodating portion and the second flange is locked by the first locking portion;
the first flange has disc-shaped parts with outer diameters that become larger toward a rear end to define steps in the front-rear direction;
the first locking portion is shaped so that a part of the inner wall of the accommodating portion protrudes inward while defining a through hole penetrating in the front-rear direction and having a protruding part that is stepped in the front-rear direction so that an opening diameter of the through hole becomes larger toward the rear in a stepwise manner, and having contact surfaces to be held in contact with the first flange in the front-rear direction when the first terminal is in the first accommodating portion; and
the second flange is a single disc that has a thickness in the front-rear direction larger than a thickness in the front-rear direction of the disc-shaped part of the first flange that is located on a rearmost position on the first flange, and the second flange is in contact with only the contact surface located at a rearmost position on the first locking portion if the second terminal is in the first accommodating portion.

US Pat. No. 11,114,793

ELECTRICAL INSTALLATION FOR CONNECTING MALE TERMINALS TO FEMALE TERMINALS

GJM, S.A., La Roca del V...


1. A connector assembly for connecting male terminals to female terminals that comprises:a connector (20) defining a body (1) and input openings (2) which communicate with a housing (12) for input male terminals (3);
output openings (4) through which female terminal (5) wiring is passed;
separation walls (7);
a first cover (6) hinged to the connector (20);
a second cover (9) comprising a base (10) and hinged to the said connector (20) and facing the first cover (6);
female terminals (5) made of an electrical conductive material and housed in the housing (12) of the connector (20), which expand when the male terminals (3) are inserted inside them, and wherein a space in the housing (12) is larger than a space occupied by the female terminals (5) prior to expanding; and
side tabs (8) extending outward from opposite sides of the connector (20) body (1) such that the first cover (6) and the second cover (9) lock together between the side tabs (8) to block in the female terminals (5) when the first cover (6) and second cover (9) are closed.

US Pat. No. 11,114,792

CONTACT AND CONNECTOR

Tyco Electronics Japan G....


1. A contact, comprising:a pair of side walls;
a front end upper wall extending from the side walls;
a rear end upper wall extending from the side walls;
a lance extending in a rearward direction from a rear end of the front end upper wall, the lance has a catch portion at a rear end portion of the lance, the catch portion is caught in a housing when the contact is inserted into the housing; and
an extension piece extending in the rearward direction from the rear end portion of the lance, the extension piece positioned under the rear end upper wall, the extension piece has a folded-back portion folded downward from the rear end portion in a direction lateral to the rear end portion.

US Pat. No. 11,114,791

CONNECTOR

CHICONY POWER TECHNOLOGY ...


1. A connector, comprising:a main body comprising a first opening and a second opening;
a terminal module comprising a terminal portion and an insulating portion, wherein the insulating portion partially covers the terminal portion, the terminal portion comprises a plurality of terminals, a middle portion and a pin portion, the terminals protrude beyond one side of the insulating portion, the middle portion is covered by the insulating portion, the pin portion is exposed from another side of the insulating portion opposite to the side of the insulating portion, the insulating portion is disposed adjacent to the second opening and connected to the main body, and the terminals are disposed in the main body and exposed from the first opening;
a cable module comprising a connecting portion electrically connected to the pin portion;
a housing covering the main body and the terminals, wherein the housing has an end portion disposed adjacent to the insulating portion, and the end portion is configured with a plurality of third openings; and
an insulating material covering the end portion, the connecting portion, the pin portion and the insulating portion, and filling the third openings.

US Pat. No. 11,114,790

REVERSIBLE DUAL-POSITION ELECTRIC CONNECTOR


1. A reversible dual-position electrical connector, comprising:a metal snapping plate with left side and right side being provided with one depressed snap having a locking surface made of metal material;
an inner insulating structure being integrally molded in a plastic injection molding with the metal snapping plate embedded in the inner insulating structure, the inner insulating structure is provided with an upper supporting surface disposed above the upper side of the metal snapping plate and with a lower supporting surface disposed below the lower side of the metal snapping plate, the upper supporting surface and the lower supporting surface are each provided with one row of terminal positioning slots;
two rows of terminals each being integrally provided with a contact in the front end and an extension in the rear end, the two rows of terminals are positioned at the two rows of terminal positioning slots of the upper and lower supporting surfaces of the inner insulating structure, the two rows of contacts rest against the upper and lower supporting surfaces of the inner insulating structure; and
an insulation seat, wherein the insulation seat is integrally plastic injection molded and embedded with the two rows of terminals and the inner insulating structure, the insulation seat is provided with a base seat and a tongue, a front end of the base seat is projectingly provided with the tongue, the tongue is provided with two connection surfaces, the two rows of contacts are in flat surface contact with the tongue and exposed from the two connection surfaces, the locking surfaces of the two depressed snaps are respectively exposed at the left and right sides of the tongue, and the tongue can be bidirectionally docked and positioned with a docking electrical connector in a dual-position manner;
wherein at least one of a front section and a rear section of the metal snapping plate is cut-out to form a hollow region at the middle so that the right side and the left side of the metal snapping plate are respectively formed with two metal plate sheets extending from the front section of the metal snapping plate to the rear section of the metal snapping plate, the length of the hollow region of the metal snapping plate along the direction from the front section of the metal snapping plate to the rear section of the metal snapping plate is greater than half the length of the metal snapping plate, and the snap is provided at the outer side of each of the metal plate sheets.

US Pat. No. 11,114,789

ELECTRICAL CONNECTOR WITH ROTATIONALLY RESTRICTED COVER MEMBER


1. An electrical connector comprising:a main body comprising an insertion opening into which a connection target is inserted and an accommodation space to accommodate the connection target inserted into the insertion opening;
a conductive contact held in the main body so as to be connected to the connection target in the accommodation space;
a cover member rotatably mounted on the main body so as to cover at least a part of an outer shell of the main body and to be rotatable around a rotation axis passing through the main body, wherein the cover member comprises:a restricting member configured to switch, in response to a rotation of the cover member around the rotation axis, between a first state in which removal of the connection target in the accommodation space is restricted and a second state in which the connection target is released; and
a main plate which protrudes from a base end portion along the rotation axis, overlaps the main body in the first state, and is separated from the main body in the second state, wherein the restricting member is provided on the main plate; and

a stopper portion protruding from the outer shell of the main body to restrict a rotation range of the main plate of the cover member with respect to the main body in the second state in which the connection target is released.