US Pat. No. 10,141,845

DC-DC CONVERTER AND CONTROL CIRCUIT WITH LOW-POWER CLOCKED COMPARATOR REFERENCED TO SWITCHING NODE FOR ZERO VOLTAGE SWITCHING

TEXAS INSTRUMENTS INCORPO...

1. A DC-DC converter circuit to control an output voltage signal, the DC-DC converter circuit comprising:a first switching device coupled between an input voltage node and a switching node, the first switching device operative according to a first switching control signal;
a second switching device coupled between the switching node and a reference voltage node, the second switching device operative according to a second switching control signal;
a first supply voltage node to provide a first supply voltage relative to a reference voltage of the reference voltage node;
a second supply voltage node, connected to the first supply voltage node through a diode, to provide a second supply voltage relative to the switching node;
a first driver circuit, referenced to the switching node and powered by the second supply voltage, to provide the first switching control signal according to a first driver signal;
a second driver circuit, powered by the first supply voltage, to provide the second switching control signal according to a second driver signal;
a control circuit, referenced to the reference voltage node and powered by the first supply voltage, to provide the first and second driver signals to regulate an output voltage signal according to a feedback signal, and to adjust a delay time between the second switching device turning off and the first switching device turning on according to a level shifted comparator signal; and
a comparator circuit, referenced to the switching node and powered by the second supply voltage, to sample a switching node voltage of the switching node in response to a first edge of the first driver signal, and to generate a comparator signal having: a first state indicating that a threshold voltage is less than the switching node voltage; and a second state indicating that the threshold voltage is greater than the switching node voltage; the comparator circuit including: a clocked comparator circuit, including a clock input connected to the control circuit to receive the first driver signal, and an output to provide the comparator signal referenced to the switching node; and a level shift circuit, including an input connected to the clocked comparator circuit to receive the comparator signal, and an output to provide the level shifted comparator signal referenced to the reference voltage node.

US Pat. No. 10,141,844

RECONFIGURABLE POWER REGULATOR

Lion Semiconductor Inc., ...

1. A voltage regulator comprising:an input voltage terminal;
an output voltage terminal;
a ground terminal; and
a plurality of unit integrated voltage regulators (IVRs), wherein each of the plurality of unit IVRs comprises an IVR input voltage terminal, an IVR output voltage terminal, and an IVR ground terminal, wherein each of the plurality of unit IVRs is integrated on a unique die, and where in at least two of the plurality of unit IVRs are integrated on adjacent dies of a single wafer that are physically coupled to one another;
wherein the input voltage terminal of each of the plurality of unit IVRs is electrically connected to the input voltage terminal of the voltage regulator,
wherein the output voltage terminal of each of the plurality of unit IVRs is electrically connected to the output voltage terminal of the voltage regulator,
wherein the ground terminal of each of the plurality of unit IVRs is electrically connected to the ground terminal of the voltage regulator; and
wherein each of the plurality of unit IVRs has substantially identical performance characteristics.

US Pat. No. 10,141,843

SWITCHING CONVERTER, CONTROL UNIT AND METHOD FOR OPERATING A SWITCHING CONVERTER CIRCUIT DEVICE

ROBERT BOSCH GMBH, Stutt...

1. A switching converter, comprising:an input interface for providing an input voltage;
an output interface for providing at least one output voltage;
a voltage conversion device for converting the provided input voltage into one of the at least one output voltage; and
a clock generator for providing a working clock, the clock generator being configured in such a way that the clock generator provides a modulated basic clock as the working clock, wherein the clock generator modulates the basic clock at a predetermined frequency deviation and at least one predetermined modulation frequency and at least one predetermined modulation period duration.

US Pat. No. 10,141,842

POWER CONVERTER AND AN LED LIGHTING CIRCUIT COMPRISING THE SAME

PHILIPS LIGHTING HOLDING ...

1. A ring choke power converter comprisingan input for receiving an input power with a nominal mains level, wherein said nominal mains level is variable and falls within at least 90V to 240V;
a main power switch driven by the input power, wherein the main power switch is a main power bipolar transistor; and
a control circuit for controlling a control current of the main power switch;
wherein the control circuit is adapted to sense the level of the input power and draw current from a control terminal of the power switch according to the level, and said control circuit is adapted to operate in a linear region and increase the drawn current along with the increase of the level throughout said variable nominal mains level of the input power, wherein the control circuit comprises:
a Darlington bridge with a first transistor and a second transistor, the first transistor with a base terminal connected to a circuit position indicative of the voltage amplitude of the input power, the second transistor with a base terminal connected to an emitter terminal of the first transistor and a collector terminal connected to the control terminal of the main power switch and a collector terminal of the first transistor; and
a resistor network coupled to the emitter of the second transistor for regulating the amplification of the second transistor and keeping the second transistor working in the linear region throughout the variable nominal mains level of the input power.

US Pat. No. 10,141,841

DC-DC CONVERTER WITH A DYNAMICALLY ADAPTING LOAD-LINE

Apple Inc., Cupertino, C...

1. A power converter comprising:an amplifier configured to convey an output current;
a first loop comprising:
a compensator configured to generate a first voltage based on the output current;
first circuitry configured to:
generate an output voltage based on the first voltage; and
convey the output voltage to an input of the amplifier; and
a second loop comprising second circuitry configured to:
generate a dynamically adapting feedback current based on the first voltage; and
convey the dynamically adapting feedback current to the input of the amplifier.

US Pat. No. 10,141,840

FEEDBACK CONTROL CIRCUIT AND POWER MANAGEMENT MODULE SHORTENING FEEDBACK RESPONSE TIME

Shenzhen China Star Optoe...

1. A feedback control circuit shortening a feedback response time of a power management chip, wherein the feedback control circuit comprises a sample analysis circuit, a comparison circuit and a switch control circuit, wherein:the sample analysis circuit is coupled to the power management chip, and employed to sample a power managing output signal of the power management chip, and analyze a variation trend of the power managing output signal to obtain a first output signal;
the comparison circuit is coupled to the sample analysis circuit and the switch control circuit, and employed to compare the first output signal and a reference signal to obtain a second output signal;
the switch control circuit comprises a Pulse Width Modulation PWM control circuit and a switch, wherein the PWM control circuit is coupled to the comparison circuit and the switch, and the switch is coupled to the power management chip, and the switch control circuit is employed to adjust a duty ratio of the switch according to the second output signal to adjust a compensation duration of the power managing output signal of the power management chip to response a variation of the power managing output signal to the switch control circuit in time to reduce a ripple of the output signal the power managing output signal, wherein the differentiating circuit comprises a first operational amplifier, a first capacitor, a first resistor and a second resistor, wherein: an inverting input end of the first operational amplifier is coupled to an output pin of the power management chip sequentially through the first capacitor and first resistor which are coupled in series, and a non-inverting input end of the first operational amplifier is grounded, and an output end of the first operational amplifier is coupled to the comparison circuit, and coupled to the inverting input end of the first operational amplifier through the second resistor.

US Pat. No. 10,141,839

VOLTAGE CONTROLLING CIRCUIT OF T-CON LOAD VARIATION, DISPLAY PANEL AND DISPLAY DEVICE

Shenzhen China Star Optoe...

1. A voltage controlling circuit of a T-CON load variation, wherein the voltage controlling circuit of the T-CON load variation comprises: a power source chip and a voltage controlling circuit, and the voltage controlling circuit comprises a photoelectric coupler, a first comparator, a second comparator, a first field effect transistor and a second field effect transistor;wherein a first pin of the photoelectric coupler is coupled to the other terminal of an inductor, one terminal of the inductor is connected to a voltage output terminal of the power source chip, a second pin of the photoelectric coupler is connected to a core voltage, a third pin of the photoelectric coupler is connected to the other terminal of a first resistor, one terminal of the first resistor is connected to a ground, and a fourth pin of the photoelectric coupler is connected to a first voltage source;
wherein a positive power terminal of the first comparator is connected to a second voltage source, a negative power terminal of the first comparator is connected to an equivalent electric potential point, a positive input terminal of the first comparator is connected to the third pin of the photoelectric coupler, a negative input terminal of the first comparator is connected to a first comparing voltage, and an output terminal of the first comparator is connected to a gate of the second field effect transistor; a positive power terminal of the second comparator is connected to the second voltage source, a negative power terminal of the second comparator is connected to the equivalent electric potential point, a negative input terminal of the second comparator is connected to the third pin of the photoelectric coupler, a positive input terminal of the second comparator is connected to a second comparing voltage, and an output terminal of the second comparator is connected to a gate of the first field effect transistor;
wherein a drain of the first field effect transistor is connected to the core voltage through the first pin and second pin of the photoelectric coupler, a source of the first field effect transistor is connected to one terminal of a second resistor, the other terminal of the second resistor is connected to a feedback voltage terminal of the power source chip, a drain of the second field effect transistor is connected to the other terminal of a third resistor, one terminal of the third resistor is connected to the feedback voltage terminal of the power source chip, and a source of the second field effect transistor is connected to the ground.

US Pat. No. 10,141,837

DEVICE AND METHOD FOR ENERGY HARVESTING USING A SELF-OSCILLATING POWER-ON-RESET START-UP CIRCUIT WITH AUTO-DISABLING FUNCTION

Agency for Science, Techn...

1. A device for energy harvesting, comprising:a start-up circuit including a power-on reset circuit for generating a sequence of pulses to control self-oscillation of the start-up circuit, an auxiliary voltage boost circuit coupled to the power-on reset circuit and an input of the start-up circuit for boosting an input voltage of the start-up circuit, and a feedback loop including an energy source, the auxiliary voltage boost circuit and the power-on reset circuit such that the start-up circuit generates the sequence of pulses for self-oscillation through the feedback loop for initial boosting of the input voltage from the energy source;
a main boost circuit for boosting the input voltage during a steady state phase;
a clock generator circuit for generating clock signals which control voltage boosting of the main boost circuit during the steady state phase; and
a switching circuit coupled to the start-up circuit, the main boost circuit and the clock generator circuit for switching powering of the clock generator circuit between the start-up circuit and the main boost circuit such that the clock generator circuit is powered by only one of the start-up circuit and the main boost circuit at any point in time.

US Pat. No. 10,141,836

CONTROL CIRCUIT CAPABLE OF DETECTING STATUS OF RECEIVING POWER AND DECREASING VOLTAGE OF CAPACITOR ACCORDINGLY

WELTREND SEMICONDUCTOR IN...

1. A control circuit comprising:a set of alternating-current power receiver terminals configured to receive external alternating-current power;
a rectification unit comprising a first terminal, a second terminal and an intermediary terminal wherein the first terminal and the second terminal of the rectification unit are coupled to the set of alternating-current power receiver terminals, and the intermediary terminal is configured to output an operation voltage corresponding to the external alternating-current power;
a transistor comprising a first terminal coupled to the intermediary terminal of the rectification unit, a control terminal, and a second terminal;
a switch comprising a first terminal coupled to the second terminal of the transistor, a control terminal, and a second terminal coupled to a low voltage terminal;
a detection unit configured to generate a first detection voltage and a second detection voltage according to the operation voltage, and comprising an input terminal coupled to the intermediary terminal of the rectification unit, a first output terminal configured to output the first detection voltage, and a second output terminal configured to output the second detection voltage;
a comparison circuit comprising a first terminal coupled to the first output terminal of the detection unit, a second terminal coupled to the second output terminal of the detection unit, and an output terminal configured to output a comparison signal when the first detection voltage is equal to the second detection voltage; and
a logic control circuit comprising an input terminal coupled to the output terminal of the comparison circuit, a first output terminal coupled to the control terminal of the transistor, and a second output terminal coupled to the control terminal of the switch wherein the logic control circuit turns on the transistor and the switch through the first output terminal and the second output terminal of the logic control circuit when the input terminal of the logic control circuit still has not received the comparison signal after a predetermined time interval has elapsed.

US Pat. No. 10,141,835

PWM CONTROLLED LOOP WITH ANTI-WINDUP PROTECTION

Dialog Semiconductor (UK)...

1. A system configured to regulate an output voltage based on a reference voltage, wherein the system comprises,an error amplifier configured to determine an error voltage by cumulating a deviation of a feedback voltage from the reference voltage; wherein the feedback voltage is indicative of the output voltage;
a PWM unit configured to generate a pulse width modulated, referred to as PWM, control signal based on the error voltage and based on a PWM clock; wherein the PWM clock indicates successive cycles of the PWM control signal;
a voltage setting unit configured to set the output voltage based on the PWM control signal;
a saturation detection unit configured to detect a saturation situation of the system, during which the error voltage is built up in a saturated direction without impacting the PWM control signal; and
clamping means configured to interrupt a further build-up of the error voltage in the saturated direction while allowing a modification of the error voltage in an opposite direction, opposite to the saturated direction, if the saturation situation is detected.

US Pat. No. 10,141,834

MULTI-PHASE POWER CONVERSION DEVICE CONTROL CIRCUIT

FUJI ELECTRIC CO., LTD, ...

1. A multi-phase power conversion device control circuit, comprising:switching element driver circuits configured to respectively drive switching elements that are disposed for multiple phases, respectively,
each of the switching element driver circuits including
a driving current supply circuit configured to, when the corresponding switching element is brought to an operating state, supply a control terminal of the switching element with a source current and, when the switching element is brought to a non-operating state, supply the control terminal with a sink current;
a current detection circuit configured to detect a current flowing through the switching element as a voltage value;
an overcurrent detection circuit configured to, when the voltage value detected by the current detection circuit is higher than a first reference voltage, output an individual overcurrent detection signal; and
an overcurrent state control circuit configured to, when overcurrent detection circuits of the switching element driver circuits of at least two or more phases output individual overcurrent detection signals, output a multi-phase overcurrent signal and short-circuit the control terminal of the switching element to a low potential side terminal.

US Pat. No. 10,141,833

POWER MANAGEMENT METHOD CAPABLE OF PREVENTING AN OVER CURRENT EVENT BY PERFORMING A POWER CONTROL OPERATION

MEDIATEK INC., Hsin-Chu ...

1. A power management method comprising:generating a power related value representative of a current level or a voltage level;
notifying a power management controller when the power related value has passed a threshold;
storing the threshold and the power related value in a memory coupled to an electrical digital power meter; and
performing a power control operation by the power management controller responsive to the power management controller being notified;
wherein the power control operation is related to power output increase, operating frequency adjustment or system clock rate adjustment.

US Pat. No. 10,141,832

SYSTEMS AND METHODS FOR REDUCING SWITCH STRESS IN SWITCHED MODE POWER SUPPLIES

Maxim Integrated Products...

1. A system configured to reduce voltage spikes across switches in a multi-level converter, the system comprising:a first unit configured to measure an output voltage of the multi-level converter;
a second unit configured to compare a measured output voltage to a reference output voltage; and
a third unit configured to control the operation of the multi-level converter to operate the multi-level converter with an averaging sequence, the averaging sequence configured to, on average, result in, or sufficiently approximate, one or more critical duty ratio values, but not operate at the one or more critical duty ratio values, wherein the averaging sequence is based at least on an error value determined at least in part by a difference between the measured output voltage and the reference output voltage.

US Pat. No. 10,141,831

POWER CONVERTER

Mitsubishi Electric Corpo...

1. An electric power converter, comprising:a non-isolated buck-boost converter circuit for outputting, by increasing or decreasing a voltage being inputted thereinto, a DC voltage;
an isolated converter circuit for outputting a DC voltage to a load by inputting a DC voltage outputted from the non-isolated buck-boost converter circuit, wherein the isolated converter circuit includes a transformer having a primary winding and a secondary winding, and wherein a resonance type converter is configured to connect a third semiconductor switching device, a fourth semiconductor switching device and a resonance capacitor to the primary winding of the transformer; and
a control device for controlling the non-isolated buck-boost converter circuit and the isolated converter circuit, wherein the control unit is configured to control a switching frequency of a waveform applied to the third semiconductor switching device based on a value of the resonance capacitor.

US Pat. No. 10,141,830

BURST OPERATION OF A SWITCHING CONTROLLER HAVING A PLURALITY OF FOLDBACK CURVES

SEMICONDUCTOR COMPONENTS ...

1. A circuit for a Direct Current to Direct Current (DC-DC) converter, the circuit comprising:an input voltage detection circuit to produce, using a voltage sense signal, a first input voltage indicator, the first input voltage indicator indicating a voltage range selected from a plurality of voltage ranges;
an oscillator circuit to select, using the first indicator, a foldback curve from a plurality of foldback curves, the foldback curve to determine a blanking time of a gate signal; and
a burst entry detection circuit to determine, using an indicator of an output power of the DC-DC converter, whether to operate the circuit in a burst mode.

US Pat. No. 10,141,829

MULTIPLE POWER TOPOLOGIES FROM SINGLE POWER GENERATOR

John Bean Technologies Co...

1. A power unit for producing both alternating current and direct current, comprising:a switcher connected to a direct current source, wherein the switcher includes circuitry configured to produce both alternating current having first characteristics and direct current having second characteristics, wherein the circuitry comprises a plurality of insulated gate bipolar transistor circuits and drive circuits connected to the insulated gate bipolar transistor circuits, wherein insulated gate bipolar modules configured to operate as a pulse wave modulated inverter to produce alternating current are also the same insulated gate bipolar modules configured to produce the direct current, wherein both the alternating current and direct current are output directly from combining the output of two or more of the insulated gate bipolar modules to a first and second switch to supply the alternating current and the direct current, respectively.

US Pat. No. 10,141,828

MAXIMUM POWER POINT TRACKING METHOD AND SYSTEM THEREOF

DELTA ELECTRONICS, INC., ...

1. A maximum power point tracking method comprising:configuring a voltage tuning direction of a power converter by a process circuit, such that an input voltage of the power converter changes in a positive trend or in a negative trend;
detecting the input voltage and an input current of the power converter at a first time point to obtain a first power value;
detecting the input voltage and the input current of the power converter at a second time point after the first time point to obtain a second power value;
detecting the input voltage and the input current of the power converter at a third time point after the second time point to obtain a third power value; and
changing the voltage tuning direction of the power converter on the condition that the first power value is greater than the second power value, and the second power value is greater than the third power value, such that the change of the input voltage switches from the positive trend to the negative trend, or from the negative trend to the positive trend.

US Pat. No. 10,141,827

ELECTROMAGNETIC TOROIDAL MOTOR

1. A motor, comprising:a first rocker arm mounted for reciprocation about an axis and extending therefrom;
a second rocker arm mounted for reciprocation about said axis independent of said first rocker arm and extending therefrom;
a first magnetic head mounted distally at an end of said first rocker arm and including one or more permanent magnets of switchable-polarity electromagnets each having a coil-wound core;
a second magnetic head mounted distally at an end of said second rocker arm and including one or more switchable-polarity electromagnets each having a coil-wound core;
a power supply connected to the coils of said second magnetic head;
a switching circuit connected to said power supply for switching polarity of power applied to the coils of said second magnetic bead by said power supply;
a crankshaft mounted for unidirectional rotation about said axis independent of said first rocker arm and second rocker arm; and
at least one linkage mechanism pivotally connected to said first rocker arm, said second rocker arm, and to said crankshaft for translating reciprocation of said first rocker arm and second rocker arm into unidirectional rotation of said crankshaft.

US Pat. No. 10,141,826

LINEAR VIBRATION MOTOR IN WHICH A PRINTED CIRCUIT BOARD HAVING A COIL COUPLED THERETO IS POSITIONED TO COVER THE COIL, SUCH THAT THE COIL DOES NOT DIRECTLY CONTACT A STATOR PART, THEREBY PREVENTING A PHENOMENON THAT THE COIL IS UNWOUND OR DISCONNECTED AND

MPLUS CO., LTD., Suwon-s...

1. A linear vibration motor, comprising:a stator part comprising a magnet;
a vibrator part comprising a coil positioned to face the magnet and a printed circuit board coupled to the coil and accommodated in an internal space of the stator part; and
an elastic member connecting the stator part and the vibrator part to each other,
wherein the printed circuit board has one end coupled to the stator part and the other end coupled to the vibrator part and at least partially covers the coil facing the stator part,
wherein the printed circuit board comprises:
a coupling plate fixed to the stator part;
an elastic part extended from the coupling plate in a spiral direction to have elastic force;
a contact part connected to the elastic part and having an end portion of the coil coupled thereto; and
a disk part connected to the contact part and having the coil coupled thereto,
wherein the coil is coupled to the disk part to be covered with the disk part; and
wherein the stator part corresponding to the disk part is mounted with a first damping member,
wherein the stator part comprises:
a case having the internal space formed therein to accommodate the vibrator part and having an opened one side;
a bracket closing the internal space of the case; and
a second damping member facing the vibrator part and installed on a surface of the case,
wherein the first damping member faces the vibrator part and is installed on a surface of the bracket;
wherein the first damping member and the second damping member are each ring-shaped, are each aligned with the coil, are each spaced apart from the coil and each at least partially overlap the coil in the movement direction, and
wherein the contact part of the printed circuit board is positioned in the outer area of the disk part not to overlap the first damping member.

US Pat. No. 10,141,825

VIBRATION MOTOR

AAC TECHNOLOGIES PTE. LTD...

1. A vibration motor including:a housing forming a receiving space;
a plurality of elastic members accommodated in the receiving space and connected to the housing;
a vibration unit suspended by the elastic members in the receiving space, the vibration unit including a weight having a through hole;
a plurality of blocks arranged on the housing, the block at least partially received in the through hole;
a plurality of positioning portions formed on the housing and protruding toward the weight for engaging with the blocks for fixing the blocks.

US Pat. No. 10,141,824

VIBRATION MOTOR

AAC TECHNOLOGIES PTE. LTD...

1. A vibration motor, comprising:a substrate;
a housing engaged with the substrate for forming an enclosure;
a first magnet assembly including a first weight and a first magnet assembled with the first weight;
a second magnet assembly fixed with the first magnet assembly, the second magnet assembly including a second weight engaging with the first weight of the first magnet assembly and a second magnet assembled with the second weight;
an elastic member including a first fixing part connecting to the housing, and a second fixing part connecting to the second weight for suspending the second magnet assembly with the first magnet assembly in the housing;
a coil assembly including a coil located between the first magnet assembly and the second magnet assembly, and a coil support carrying the coil, the coil support including a lower part mounted on the substrate, an upper part for carrying the coil, and a middle part spacing the upper part from the lower part;
a signal transmission medium including a first contacting part attached to the upper part of the coil support, a first connecting part attached to the middle part of the coil support, a second connecting part connecting with the first connecting part, and a second contacting part extending from the second connecting part;
the first weight including a pair of sidewalls, and a pair of opposed engagement parts connecting with the sidewalls for forming a first through hole, the first magnet being received in the first through hole;
the second weight including a body, a first recess recessed from a lower surface of the body to a first bottom, a second recess recessed from the first bottom to a second bottom, and a second through hole formed in the second bottom for receiving the second magnet, the engagement part engaging with the first bottom for fixing the first weight with the second weight.

US Pat. No. 10,141,823

MOTOR, GIMBAL, AND MECHANICAL ARM HAVING THE SAME

AUTEL ROBOTICS CO., LTD.,...

1. A motor, comprising;a support;
a circuit board, installed on the support, wherein the circuit board comprises a substrate and a coil circuit disposed on the substrate, and the circuit board further comprises a drive control chip, a power circuit, and detection circuit, the drive control chip, the power circuit, and the detection circuit all being disposed on the substrate; wherein the detection circuit is configured to detect location information of a rotor of the motor; and wherein the power circuit is electrically connected to the coil circuit, the drive control chip being electrically connected to the power circuit and the detection circuit, and the drive control chip is configured to control the power circuit according to the location information of the rotor fed back by the detection circuit;
a rotating shaft, wherein the support is sleeved on the rotating shaft;
a support plate installed on one end of the rotating shaft; and
a permanent magnet, disposed on the support plate and adjacent to the coil circuit,
wherein the coil circuit faces the permanent magnet and there is a gap between the permanent magnet and the coil circuit, and the permanent magnet is of an axially magnetized structure.

US Pat. No. 10,141,822

AXIAL FLUX BRUSHLESS PERMANENT MAGNET ELECTRICAL MACHINE ROTOR

LAUNCHPOINT TECHNOLOGIES,...

3. An axial flux brushless permanent magnet electrical machine comprising:a stator; and
at least one rotor, the rotor including
a Halbach array of magnets consisting of at least four magnets per magnetic cycle,
the magnets in the rotor are contained within pockets in the rotor,
the pockets are formed
partly by an outer predominantly circumferential wall that retains the magnets against centrifugal load and
partly by radial walls between adjacent magnets or magnetic sub-unit groups in the Halbach array,
the radial walls join with hub structure of the rotor on an inner end thereof and with the circumferential wall on an outer end thereof, and
where the pockets have both active and inactive surface walls perpendicular to the machine axis that cover the magnets on both an active air gap side of the Halbach array and on an active side of the Halbach array away from a machine air gap.

US Pat. No. 10,141,821

MOTOR AND ROTOR

Denso Corporation, Kariy...

1. A motor comprising:a rotor including:
a first rotor core including a plurality of first claw-like magnetic poles projecting in an axial direction;
a second rotor core including a plurality of second claw-like magnetic poles projecting in the axial direction; and
a permanent magnet arranged between the first and second rotor cores in the axial direction,
the first and second claw-like magnetic poles being alternately arranged in a circumferential direction, and
the permanent magnet causing the first and second claw-like magnetic poles to function as magnetic poles different from each other; and
a stator including:
a first stator core including a plurality of first claw-like magnetic poles projecting in the axial direction;
a second stator core including a plurality of second claw-like magnetic poles projecting in the axial direction; and
a coil section arranged between the first and second stator cores and wound around in the circumferential direction,
the first and second claw-like magnetic poles of the stator being alternately arranged in the circumferential direction and being opposed to the first and second claw-like magnetic poles of the rotor, and
the stator is configured to cause the first and second claw-like magnetic poles of the stator to function as magnetic poles different from each other and switch polarities of the magnetic poles on the basis of energization to the coil section, wherein
the claw-like magnetic poles of the stator are formed in a shape in which circumferential centers of distal end portions are shifted in a rotating direction of the rotor with respect to circumferential centers of proximal end portions, and
the claw-like magnetic poles of the rotor are formed in a shape in which a circumferential centers of distal end portions are shifted in a counter rotating direction of the rotor with respect to circumferential centers of proximal end portions.

US Pat. No. 10,141,820

METHOD FOR REMOVING U-SHAPED WINDING ELEMENTS FOR AN ELECTROMAGNETICALLY EXCITABLE CORE OF AN ELECTRIC ROTATION MACHINE FROM A SETTING TOOL

SEG Automotive Germany Gm...

1. A method for removing U-shaped winding elements for an electromagnetically excitable core of an electric rotation machine from a setting tool, wherein the U-shaped winding elements are set and are initially located in the setting tool, wherein in one step the U-shaped winding elements are partially lifted out from the setting tool, so that parts of rod sections of the U-shaped winding elements are freely accessible from outside, wherein the U-shaped winding elements are removed from the setting tool by a removal device by gripping the rod sections;wherein a plurality of sliders are provided for removing the U-shaped winding elements, each of the sliders having two sliding elements, and wherein the sliders are pushed between the U-shaped winding elements such that the two sliding elements of each of the sliders are pushed together between the rod sections of multiple U-shaped winding elements and such that clamping forces are exerted between the U-shaped winding elements and the sliders in a circumferential direction such that each of the rod sections of the U-shaped winding elements is clamped between the slider elements of two different sliders among the plurality of sliders.

US Pat. No. 10,141,819

ACTUATOR DEVICE AND DEVICE FOR CONTROLLING OPENING/CLOSING BODY OF VEHICLE

AISIN SEIKI KABUSHIKI KAI...

1. An actuator apparatus comprising:a motor functioning as a drive source;
an electromagnetic clutch being capable of selectively connecting and disconnecting a torque transmission path of the motor; and
an accommodation member accommodating the electromagnetic clutch, the electromagnetic clutch including:
an armature supported by a drive member rotated by motor drive, the armature being adapted to rotate integrally with the drive member and to be movable in an axial direction;
a rotor arranged coaxially with the armature to be rotatable relative to the armature, the rotor being adapted to rotate integral with an output member; and
an electromagnet causing the armature and the rotor to be in pressure contact with each other in accordance with an electromagnetic attractive force generated by electrification and being capable of connecting the armature and the rotor to each other in such a manner that torque of the motor is transmittable, and the actuator apparatus comprising:
a conductive member integrally provided at the accommodation member and being connected to a conductive portion of the electromagnetic clutch in such a manner that the conductive member forms a ground circuit that can connect the conductive portion with ground.

US Pat. No. 10,141,818

WINDING FRAME STRUCTURE FOR MOTORS

INDUSTRIAL TECHNOLOGY RES...

1. A winding frame structure for motors, comprising:two barrier plates, each of the two barrier plates having an engaging structure locating on a surface thereof facing the opposing barrier, the engaging structure further including four anchorage grooves;
an insulation member, formed by four ceramic heat conductive structures, located between the two barrier plates, both ends of each of the four ceramic heat conductive structures being engaged with the corresponding engaging structures of the two barrier plates so as to form respective fixed engagement; and
windings, wound around the four ceramic heat conductive structures between the two barrier plates;
wherein an inner rectangular space for accommodating a stator is formed by the four ceramic heat conductive structures; and
wherein the engaging structure further includes four protrusive members protruding toward a center of the corresponding barrier plate formed as a hollow rectangular frame structure, the four protrusive members being distributed to four inner corners of a hollow rectangular space of the corresponding barrier plate, three rivets being located to a root of each of the four protrusive members, each end of the four ceramic heat conductive structures being held between two neighboring protrusive members, a clip for providing elastic lateral compressive forcing upon the corresponding end of the respective ceramic heat conductive structure being introduced to be located in place at the root of the protrusive member with a restraint structure formed by the three rivets, such that a hollow rectangular cylinder is formed integrally by engaging the two barrier plates and the four ceramic heat conductive structures.

US Pat. No. 10,141,817

COOLING OF MACHINE FOR ELEVATOR SYSTEM

OTIS ELEVATOR COMPANY, F...

1. An electric machine comprising:a rotor including a plurality of permanent magnets, the rotor rotatable about a central axis of the machine;
a stator including:
a cylindrical stator shell;
a plurality of stator windings disposed at the stator shell and located radially inboard of the plurality of permanent magnets;
two or more heat sink segments secured to a radially inboard surface of the stator shell, each heat sink segment of the two or more heat sink segments including:
a base portion located at the radially inboard surface; and
a plurality of fins extending radially inwardly from the base portion, the base portion having two or more fins of the plurality of fins extending therefrom;
wherein a base thickness of the base portion of each heat sink segment decreases with distance extending circumferentially away from a circumferential center of the base portion.

US Pat. No. 10,141,816

METHOD OF ACHIEVING VARIABLE PERFORMANCE OF AN ELECTRIC GENERATOR

SIEMENS ENERGY, INC., Or...

1. A method of operating a large electric generator, the generator having a rotor arranged along a centerline of the generator, a core arranged coaxially and surrounding the rotor; a plurality of stator windings arranged within the core; a stator frame arranged to fixedly support the core and rotationally support the rotor; a gas cooling system that circulates a cooling gas within the generator, the method steps comprising:circulating a cooling liquid that cool the stator windings;
sensing an output parameter of the generator;
comparing via a control system the sensed output parameter of the generator to a predetermined scheme;
sending a control signal to an adjusting device in accordance with the control system comparison; and
adjusting a pressurizing system in accordance with the control signal.

US Pat. No. 10,141,815

VARIABLE PERFORMANCE ELECTRIC GENERATOR

SIEMENS ENERGY, INC., Or...

1. A variable pressure electric generator, comprising:a gas cooled rotor arranged along a centerline of the generator;
a gas cooled core arranged coaxially and surrounding the rotor;
a plurality of coils arranged within the core;
a gas cooling system that circulates a cooling gas within the generator;
a pressurizing system that operatively pressurizes the cooling gas to a maximum pressure of 2 bar relative to atmospheric pressure; and
a low pressure frame that surrounds a portion of the rotor and an entirety of the core and stator windings, the frame configured to operatively contain an internal pressure of 2 bar relative to atmospheric pressure,
wherein the pressurizing system further comprises a controller and a pressurizing unit operatively connected to the controller,
wherein the controller is configured to sense a load of the generator and to compare the sensed load to a load demand of the generator and to determine an optimum operating pressure of the cooling gas,
wherein the pressurizing unit is configured to adjust an operating pressure of the cooling gas in accordance with the determined optimum operating pressure, and
wherein the controller is further configured to determine the optimum operating pressure based on a predetermined operational scheme.

US Pat. No. 10,141,814

LIQUID CRYOGEN VAPORIZER METHOD AND SYSTEM

Airgas USA, LLC, Radnor,...

1. A method for vaporizing liquid cryogen to supply a flow of gaseous cryogen, said method comprising the steps of:feeding a liquid cryogen from a storage tank to at least one pressure building vaporizer located at an installation, the storage tank having a headspace pressure P1;
exchanging heat between the fed liquid cryogen and a relatively warmer fluid across said at least one vaporizer to produce pressurized gaseous cryogen at pressure P2 exceeding P1;
feeding the pressurized gaseous cryogen from said at least one vaporizer to an expander located at the installation to expand the gaseous cryogen to a pressure P3;
feeding the expanded gaseous cryogen into a supply conduit;
feeding the expanded gaseous cryogen from the supply conduit to a point of use located at the installation, wherein P2?2×P3,
further comprising n pressure building vaporizers operated in an alternating sequence where n is an integer greater than 1; wherein as the liquid cryogen is being fed to a first vaporizer of the n vaporizers, no liquid cryogen is being fed to a second vaporizer of the n vaporizers
simultaneous with feeding the liquid cryogen to the first vaporizer, gaseous cryogen is fed from another of the n vaporizer to the turbine and expanded with said turbine; and
simultaneous with feeding the liquid cryogen to the second vaporizer, gaseous cryogen is fed from another of the n vaporizers to the turbine and expanded across the turbine and converting the turbine power to electricity using an alternator.

US Pat. No. 10,141,813

POWER STRUT

JOHNSON ELECTRIC S.A., M...

1. A power strut for a vehicle lift gate, comprising: a driver sleeve, a lead screw sleeve, a lead screw and a spring completely mounted within the lead screw sleeve, a gear reduction mechanism mounted in the driver sleeve for driving the lead screw, a motor assembly connected with the gear reduction mechanism and mounted in the driver sleeve,wherein the motor assembly comprises a magnet mounting bracket fixed to the driver sleeve, an end cover and multiple permanent magnets fixed to the magnet mounting bracket, and a rotor rotatably disposed in the magnet mounting bracket,
the magnet mounting bracket comprises a closed annular portion, an open annular portion and multiple connecting portions extending between the two annular portions, the open annular portion having a through hole for allowing the rotor to pass there through, the end cover is mounted to the open annular portion,
each of the magnets is positioned between a corresponding pair of adjacent connecting portions and contacts an inner surface of the driver sleeve, thereby the driver sleeve provides a magnetic path between the magnets, and
the rotor comprises a shaft, and a rotor core and a commutator fixed to the shaft, the rotor core is disposed within the magnet mounting bracket and surrounded by the magnets, and is supported by bearings mounted on the end cover and the closed annular portion,
wherein the annular portion comprises protrusions that axially extend from the magnet mounting bracket, one of the protrusions has a cylindrical shape, and another protrusion has a curve-plate shape, the end cover has corresponding recesses for respectively receiving the protrusions to prevent rotational movement of the end cover relative to the permanent magnet mounting bracket, one of the recesses is a hole in shape, and another recess is a notch in shape.

US Pat. No. 10,141,812

MOTOR SHAFT, MOTOR AND MOTOR ASSEMBLY

Minebea Co., Ltd., Nagan...

1. A motor shaft that is press-fitted into a hole formed in a press-fitted component from a front end side in an axial direction, the motor shaft comprising:a shaft body;
a first annular projection portion that protrudes outwardly in a radial direction of the shaft body and is brought into contact with an inner circumferential surface of the hole, the first annular projection portion being positioned at a first position; and
a second annular projection portion that protrudes outwardly in the radial direction of the shaft body and is brought into contact with the inner circumferential surface of the hole, the second annular projection portion being positioned at a second position that is shifted from the first position toward a rear end side in the axial direction of the shaft body,
wherein the first annular projection portion includes a plurality of first annular projections,
wherein the second annular projection portion includes a plurality of second annular projections, and
wherein a distance between the first position and the second position is greater than a distance between an adjacent two of the first annular projections and a distance between an adjacent two of the second annular projections in the axial direction.

US Pat. No. 10,141,811

STATOR FOR ELECTRIC MOTOR, ELECTRIC MOTOR, AND AIR CONDITIONER

Mitsubishi Electric Corpo...

1. A stator for an electric motor, comprising:an annular lead wiring part attached to one axial end of the stator and routing a power lead to a terminal of the stator through a lead lead-out portion; and
a lead-out part provided on a radially outer side of the annular lead wiring part and leading out the power lead to a radial outside of the lead wiring part, wherein
an inner wall is formed on an inner circumference of the lead wiring part, and
the inner wall of the lead wiring part includes a flat portion, and the flat portion includes a recess in the axial direction of the lead wiring part adjacent the lead-out part,
wherein the annular lead wiring part includes a positioning portion to be used for positioning during molding that is performed after the annular lead wiring part is attached to the stator, and
wherein the positioning portion is located on the inner side of the inner diameter of the stator.

US Pat. No. 10,141,810

CONNECTION SUPPORT ASSEMBLY FOR STATOR ASSEMBLY

GM Global Technology Oper...

1. A stator assembly, comprising:a stator core defining a plurality of slots spaced apart from each other;
a plurality of bar conductors disposed in each of the slots; a plurality of electrical jumper wires electrically connected to at least some of the bar conductors;
a connection support assembly including:
a support body defining a body hole;
a clip coupled to the support body, wherein the clip includes a clip body and a pin protruding from the clip body, the clip defines a clip hole extending through the clip body, the clip hole is aligned with the body hole, and at least one of the electrical jumper wires is clamped between the clip and the support body;
a catch protruding from the support body and coupled to the clip, wherein the catch defines an opening, and the body hole is radially outward of the opening of the catch; and
wherein the support body is a semi-circular plate, the support body is wholly made of a polymeric material, the support body has a top surface and a bottom surface opposite the top surface, the top surface of the support body faces away from the stator core, the bottom surface of the support body faces toward the stator core, the catch protrudes directly from the bottom surface in a direction away from the top surface, the support body includes an outermost surface and an innermost surface opposite the outermost surface, the outermost surface and the innermost surface face opposite directions, the catch protrudes from the support body at a location closer to the innermost surface than to the outermost surface, the catch is a loop, the loop has an outer surface and an inner surface opposite the outer surface, the inner surface of the loop defines the opening, the catch includes a ramp defined along the inner surface of the loop, the clip is wholly made of a polymeric material, the connection support assembly further includes a spring steel piece entirely disposed inside the pin, the connection support assembly further includes an insert disposed in the clip hole, the insert is a collar, the insert is wholly made of a metallic material, the insert has an insert hole, and an entirety of the pin is closer to the bottom surface than to the top surface of the support body.

US Pat. No. 10,141,809

MOTOR CONTROLLER AND MOTOR COMPRISING THE SAME

ZHONGSHAN BROAD-OCEAN MOT...

1. A motor controller, comprising:a) a control box, the control box comprising a bottom plate, a first chamber and a side wall;
b) a control circuit board, the control circuit board comprising a planar plate;
c) a control chip; and
d) a heat dissipation boss; the heat dissipation boss comprising a first side surface;whereinthe side wall extends from and is substantially perpendicular to the bottom plate;
the first chamber is limited by the bottom plate and the side wall;
the control circuit board is disposed within the first chamber;
the control chip is disposed on the planar plate of the control circuit board;
the side wall is depressed toward the first chamber to form the heat dissipation boss;
the first side surface of the heat dissipation boss is adjacent to the first chamber and is substantially perpendicular to the bottom plate;
a gap is formed between the heat dissipation boss and the bottom plate;
the bottom plate is provided with a first plurality of supporting bosses;
the planar plate of the control circuit board is inserted into the gap;
the control chip clings to the first side surface of the heat dissipation boss;
the planar plate of the control circuit board is substantially parallel to the bottom plate; and
the planar plate of the control circuit board is supported by of the first plurality of supporting bosses.

US Pat. No. 10,141,808

MOTOR

Sunonwealth Electric Mach...

1. A motor comprising:a stator comprising an iron core;
a separating member made of insulating material and comprising a first separating part, a second separating part and a third separating part, wherein the second separating part is arranged between the first and third separating parts, and wherein the iron core is arranged between the first and second separating parts;
a rotor rotatably coupled with the separating member and comprising a permanent magnet unit arranged between the first and second separating parts; and
a metallic housing receiving an entirety of the separating member and including a first housing part and two covers, wherein the first housing part is in a form of a hollow sleeve having two openings at two ends thereof, wherein the first housing part radially encloses the separating member and the first, second and third separating parts, and wherein the two covers respectively cover the two openings of the first housing part and axially enclose the separating member and the first, second and third separating parts.

US Pat. No. 10,141,807

GEARBOX ASSEMBLY WITH SEALED HOUSING

Nidec Motor Corporation, ...

1. A gearbox assembly comprising:a housing defining a gear chamber,
said housing including housing portions abutting each other along an interface exposed to the gear chamber;
a plurality of gears received in said gear chamber, with the housing being configured to contain gear lubricant within the gear chamber; and
a seal,
said seal positioned along said interface to restrict leakage of lubricant through the interface,
said housing defining an overflow chamber adjacent said interface, such that said interface and said seal are disposed between the gear chamber and the overflow chamber,
said housing portions including an upper housing portion, a lower housing portion, and a middle housing portion,
said housing including a plurality of said interfaces,
said middle housing portion abutting the upper and lower housing portions along respective upper and lower ones of said interfaces,
said gearbox assembly including a plurality of said seals,
each of said seals positioned adjacent a corresponding one of said interfaces,
an upper one of said seals being disposed above an upper chamber lubricant fill line,
a lower one of said seals being disposed above a lower chamber lubricant fill line.

US Pat. No. 10,141,806

STATOR ARRANGEMENT

1. An electric motor comprising a stator arrangement, the stator arrangement comprising:windings;
a winding carrier formed of plastic, the windings being arranged on the winding carrier, wherein at least one groove, which extends in the peripheral direction, is open to an axial end-side and is formed on at least one axial end-side of the winding carrier, the winding carrier extending in a circumferential direction with respect to a longitudinal axis of the stator arrangement; and
at least one electrical conductor electrically connecting two of the windings, the at least one electrical conductor being arranged in the at least one groove, the at least one electrical conductor being formed by a lacquered winding wire, the at least one groove being situated at a first axial end-side of the winding carrier, and an electrical connection plug for the electrical connection of the stator arrangement being situated at an opposite, second axial end-side of the winding carrier, the electrical connection plug extending in an axial direction with respect to the longitudinal axis of the stator arrangement, wherein at least a portion of the connection plug is located adjacent to a terminal box.

US Pat. No. 10,141,805

PLANAR STATOR WITH EFFICIENT USE OF SPACE

ALBUS Technologies Ltd., ...

1. A wound apparatus which comprises a wound conductor in which material of said wound conductor occupies more than 75% of a cylindrical volume which contains said apparatus formed by periodically bending a single pre-formed flat profile conductor member by about 180° to form a disc with a central aperture having external and internal peripheries and first and second axially displaced planar surfaces between said peripheries, each external periphery of the external peripheries connecting a radially outer portion of the planar surfaces, and each internal periphery of the internal peripheries connecting a radially inner portion of the planar surfaces, wherein said single preformed flat profile conductor member comprises three separate but grouped conductor members connected as a cable which comprises three conductor elements encased in a common isolating element.

US Pat. No. 10,141,804

SYSTEM, METHOD AND APPARATUS FOR MODULAR AXIAL FIELD ROTARY ENERGY DEVICE

INFINITUM ELECTRIC INC., ...

1. A system, comprising:a support structure; and
a plurality of modules, each module attached to the support structure, each module comprising a respective axial field rotary energy device, and each module respectively comprises:
a housing having a sidewall, the housing fully encloses the module, and the housing includes an electrical connector coupling for electrically coupling the module to another module attached to the support structure;
a shaft rotatably mounted to the housing along an axis thereof, the shaft includes at least one keyed end for mechanically co-axially coupling to a complementary keyed end of a shaft of an adjacent module attached to the support structure;
at least one rotor coupled to the shaft, each rotor comprising magnets; and
at least one stator coupled to the housing, each stator comprising a printed circuit board (PCB) having multiple PCB layers, each PCB layer comprising non-overlapping coils.

US Pat. No. 10,141,803

SYSTEM AND APPARATUS FOR AXIAL FIELD ROTARY ENERGY DEVICE

INFINITUM ELECTRIC INC., ...

1. An axial field rotary energy device, comprising:a rotor comprising an axis of rotation and a magnet;
a stator coaxial with the rotor, the stator comprising a printed circuit board (PCB) having a plurality of PCB layers that are spaced apart in an axial direction, each PCB layer comprises a respective plurality of co-planar coils, each coil having only two terminals for electrical connections, each coil on a given PCB layer is continuous and uninterrupted between its only two terminals, each coil on a given PCB layer is entirely non-overlapping with other coils on the given PCB layer;
wherein no two adjacent coils on a given PCB layer are directly connected, but rather the adjacent coils of every pair of adjacent coils on the given PCB layer are coupled together through one or more coils on one or more other PCB layers, so that a current flowing through a given coil on a given PCB layer flows through at least one coil on another PCB layer before flowing through an adjacent coil on the given PCB layer; and
wherein a current flowing in a given rotational direction around a first coil on a given PCB layer likewise flows in the given rotational direction around a second coil adjacent to the first coil and disposed on the given PCB layer, so that the direction of current flow in an outermost radial trace of the first coil is opposite the direction of current flow in an adjacent outermost radial trace of the adjacent second coil.

US Pat. No. 10,141,802

ROTOR OF ELECTRIC MOTOR FOR COMPRESSOR

FUJITSU GENERAL LIMITED, ...

1. A rotor of an electric motor for a compressor comprising:a rotor laminated steel plate;
a permanent magnet configured to be provided in the rotor laminated steel plate and to be arranged to form a plurality of magnetic poles in a circumferential direction around a rotation axis;
rotor end plates configured to be provided on both end surfaces of the rotor laminated steel plate and to restrict movement of the permanent magnet in an axis direction; and balance weights configured to be formed of laminated metal plates respectively fixed to outer surfaces of the rotor end plates, wherein
at least three axis direction through-holes arranged at equal angle intervals in the circumferential direction are provided in the rotor laminated steel plate and the rotor end plates,
the rotor laminated steel plate and the rotor end plates are fixed with three rivets for passing through the axis direction through-holes,
one of the balance weights formed of one laminated metal plate is fixed to one of the rotor end plates with the two rivets of the three rivets,
a projection having an outer diameter D3 is formed on the other balance weight formed of the other laminated metal plate which is integrated by caulking, and the other balance weight is fixed to the other rotor end plate with the remaining single rivet, and
the projection is engaged with a recess or a through-hole, the recess or the through-hole being provided in the other rotor end plate and having an inner diameter D4 greater than the outer diameter D3 of the projection, so that the balance weight is positioned to the other rotor end plate.

US Pat. No. 10,141,801

ELECTRIC MACHINES, STATORS AND COMPRESSORS AND METHODS OF MANUFACTURING SAME

Emerson Electric Co., St...

1. A method of manufacturing electric machines, the method comprising:producing a first plurality of stator and rotor laminations using a die press, the first plurality of rotor laminations having a first magnet slot configuration;
producing a second plurality of stator and rotor laminations using the die press, the second plurality of stator laminations having the same inner diameter and the same outer diameter as the first plurality of stator laminations, the second plurality of rotor laminations having the same inner diameter and the same outer diameter as the first plurality of rotor laminations, the second plurality of rotor laminations having a second magnet slot configuration that is different than the first magnet slot configuration;
using the first plurality of rotor laminations to form a first rotor, the first magnet slot configuration including a first plurality of magnet slots, the first rotor including a plurality of neodymium permanent magnets in the first plurality of magnet slots; and
using the second plurality of rotor laminations to form a second rotor, the second magnet slot configuration including a second plurality of magnet slots, and the second rotor including a plurality of ferrite permanent magnets in the second plurality of magnet slots;
wherein the first rotor and the second rotor are useable with a stator formed with the first plurality of stator laminations or the second plurality of stator laminations.

US Pat. No. 10,141,800

MAGNET-EMBEDDED ROTOR, METHOD FOR MANUFACTURING MAGNET-EMBEDDED ROTOR, AND ORIENTATION AND MAGNETIZATION DEVICE

JTEKT CORPORATION, Osaka...

1. A magnet-embedded rotor comprising:a cylindrical rotor core that rotates together with a rotating shaft, the cylindrical rotor core having a cylindrical surface extending around an entirety of an outer periphery of the cylindrical rotor core; and
permanent magnets embedded in the rotor core,
wherein the rotor core includes a plurality of core members, and each of the plurality of core members includes a tubular portion into which the rotating shaft is inserted and a plurality of projecting portions formed to project in a radial direction of the tubular portion from an outer periphery of the tubular portion and arranged apart from each other in a circumferential direction of the tubular portion,
wherein the rotor core is formed by assembling the plurality of core members such that the tubular portions of the plurality of core members are arranged on one straight line and an entire surface extending from a radially innermost position to a radially outermost position of each of the plurality of projecting portions of one of the plurality of core members contacts the corresponding entire surface extending from a radially innermost position to a radially outermost position of a corresponding projecting portion of another core member of the plurality of core members in a circumferential direction of the rotor core,
wherein each of the plurality of projecting portions includes an outer peripheral side surface and a circumferential direction side surface, the outer peripheral side surface constituting an outer peripheral part of the rotor core, and the circumferential direction side surface being in contact with the projecting portion of the other core member in the circumferential direction of the rotor core,
wherein a cross-sectional shape of each of the projecting portions that is orthogonal to an axial direction of the tubular portion is a substantially fan shape,
wherein the permanent magnet is embedded in each of the plurality of projecting portions of each of the plurality of core members,
wherein a length of each tubular portion in the axial direction of the rotor core is shorter than a length of each of the plurality of projecting portions in the axial direction of the rotor core, and a sum of the length of the tubular portions of the core members in the axial direction is equal to a length of each of the projecting portions in the axial direction, and
wherein each of the core members has a structure in which a plurality of magnetic steel sheets are stacked in an axial direction of the rotor core such that the core member is an integral body.

US Pat. No. 10,141,799

OUTER-ROTOR-TYPE SWITCHED RELUCTANCE MOTOR

1. An outer-rotator-type switched reluctance motor, comprising:a stator core including a stator yoke having a hollow formed therethrough in upper and lower directions, stator salient poles formed isotropic-rectangularly on an outer circumferential surface of the stator yoke, respectively having slots formed along a circumferential direction to separate each stator salient pole into upper and lower stator salient poles, and allowing a coil to sequentially pass through the respective slots of the stator salient poles and to be wound on the outer circumferential surface of the stator yoke along the circumferential direction, and a shaft rotatably mounted in the hollow of the stator yoke;
a rotator core having rotor salient poles isotropic-rectangularly formed on an inner circumferential surface thereof along the circumferential direction and covering and facing the upper and lower salient pole pieces of the stator salient poles with air gaps disposed therebetween and fastened to the shaft to be rotatable;
a position detecting means sensing a rotational position of the rotator core; and
a controller applying electricity to the coil during a time period where the stator salient poles and the rotor salient poles turn from non-alignment to alignment to generate a positive torque, wherein N slots are formed at equidistant intervals along the rotation shaft direction, wherein N>1, to form N+1 salient pole pieces, wherein the coil is wound around each slot, wherein the rotor salient poles have a plurality of upper-lower directional steps stepwise formed along the rotation shaft direction to be simultaneously aligned with two adjacent upper and lower salient pole pieces, wherein an angular difference occurs between the steps by an angle obtained by dividing the rotation angle between the two stator salient poles positioned adjacent to each other in the circumferential direction by N, wherein an overlapping portion corresponding to an upper-lower height of the salient pole pieces is provided between the two steps positioned adjacent to each other in the upper and lower directions so that the steps are continuous to each other through the overlapping portion, wherein the two salient pole pieces positioned adjacent to each other in the upper and lower directions and simultaneously aligned alternately with the steps are sequentially changed as the rotator cores are rotated, and wherein the controller stops the application of electricity at least before the time of the alignment after the electricity has started to be applied to the coil between the two salient pole pieces positioned adjacent to each other in the upper and lower directions and starting to simultaneously face the rotor salient poles.

US Pat. No. 10,141,798

COOLING OF AN ELECTRIC MACHINE

1. An electrical machine, comprising:a stator laminated core having a stator laminated core surface and including a stator winding with a winding overhang which is sized to project into a winding head space on a face of the stator laminated core;
a housing surrounding the stator laminated core and the winding overhang; and
first and second stator core support rings arranged on the stator laminated core surface between the housing and the stator laminated core and axially spaced from each other at a predefined distance, said first and second stator core support rings radially surrounding the stator laminated core, with a cavity being formed between the housing, the stator laminated core surface and the first and second stator core support rings, said housing having an inlet bore arranged between the first and second stator core support rings and adapted to fluidically couple an external area of the housing and the cavity,
wherein the stator laminated core has a cooling channel which is fluidically coupled with the cavity via a channel entry arranged centrally in the middle of the stator laminated core, thereby creating a T-shaped form of the cooling channel in conjunction with the channel entry so that a stream of coolant is not heated over an entire length of the stator laminated core, but only over a shorter stretch as a result of the T-shaped form.

US Pat. No. 10,141,797

ELECTRIC MOTOR HAVING A POLYGON STATOR

JOHNSON ELECTRIC S.A., M...

1. An electric motor comprising a stator having a polygon stator core and a rotor rotatable relative to the stator and having a plurality of magnetic poles,wherein the polygon stator core comprises:
a plurality of yoke portions and connecting portions interconnecting adjacent yoke portions to form a polygon, adjacent yoke portions having a same shape and size;
a plurality of teeth extending inwardly from the yoke portions, adjacent teeth having different shapes and sizes,
winding slots respectively formed between adjacent teeth, the winding slots comprising a plurality of first winding slots and a plurality of second winding slots, the first winding slots and the second winding slots have different shapes, and the ratio of the area of one of the first winding slots to the area of one of the second winding slots is greater than or equal to 0.9 but less than or equal to 1.1;
wherein two of the second winding slots circumferentially adjacent to each other are disposed between opposite first winding slots, each of said opposite first winding slot is disposed between a pair of said circumferentially adjacent second winding slots.

US Pat. No. 10,141,796

STATOR FOR AC MOTOR FOR AN ELECTROMECHANICAL ACTUATOR (EMA)

GOODRICH ACTUATION SYSTEM...

1. A stator for an AC electrical machine for an electromechanical actuator motor for flight control in an aircraft, the stator comprising a cylindrical stator back iron formed of a single solid metal cylinder or a plurality of solid metal cylinder segments joined to form a cylinder, the metal comprising iron or iron alloy.

US Pat. No. 10,141,795

METHOD FOR MITIGATING THERMAL AGING OF PERMANENT MAGNETS IN ORGANIC LIQUID

GM GLOBAL TECHNOLOGY OPER...

1. An electric motor, comprising:a stator;
a rotor including a plurality of magnets, said magnets having individual magnetic particles that are coated with a pinhole-free coating of hydrogen impermeable material sufficient to prevent hydrogen from permeating the hydrogen impermeable material to the magnetic particles.

US Pat. No. 10,141,794

ALIGNMENT USING SIGNALS FROM A SECONDARY DEVICE BEFORE WIRELESS POWER TRANSFER

Wireless Advanced Vehicle...

26. A method comprising:transmitting a ping signal from a secondary pad to a primary pad, the secondary pad located on a mobile device, the primary pad located on a stationary wireless power transfer (“WPT”) device, the stationary WPT device transmitting power through the primary pad to the secondary pad of the mobile device during a wireless power transfer operation; and
receiving an alignment confirmation that the secondary pad is aligned within the primary pad within a specified alignment tolerance, the alignment confirmation in response to determining, at the primary pad, a signal strength of the received ping signal, and determining that an amount of alignment of the secondary pad with respect to the primary pad based on the determined signal strength of the received ping signal is within the specified alignment tolerance.

US Pat. No. 10,141,793

METHOD AND DEVICE FOR IMPEDANCE MATCHING USING ISOLATED RESONATOR IN WIRELESS POWER TRANSMISSION SYSTEM

Samsung Electronics Co., ...

1. A wireless power transmitter comprising:a source resonator configured to transmit wireless power by resonating with a target resonator;
a first power supply configured to supply power to the source resonator;
a first switch configured to turn ON/OFF a connection of the source resonator to the first power supply, wherein the source resonator is isolated in response to the first switch turning OFF; and
a controller configured to match an impedance of the source resonator by estimating a distance between the source resonator and the target resonator.

US Pat. No. 10,141,792

POWER HARVESTING CIRCUIT AND METHOD

PHILIPS LIGHTING HOLDING ...

1. A circuit for use in a power harvesting system, comprising:a first antenna having a first terminal coupled to a summing node through an input capacitor, and a second terminal, the second terminal coupled to the summing node through a first diode;
a second antenna having a first terminal coupled to the second terminal of the first antenna and a second terminal coupled to an interconnection between the input capacitor and the summing node through a second diode,
wherein the summing node is coupled to an output node through an output diode, wherein an output capacitor is provided at the output node;
wherein said second terminal of the second antenna is adapted to provide a signal in opposite phase with a signal provided at the first terminal of the first antenna.

US Pat. No. 10,141,791

SYSTEMS AND METHODS FOR CONTROLLING COMMUNICATIONS DURING WIRELESS TRANSMISSION OF POWER USING APPLICATION PROGRAMMING INTERFACES

Energous Corporation, Sa...

1. A system for controlling communication between a wireless power transmitter and at least one wireless power receiver, the system comprising:a wireless power transmitter that includes:
a first processor running a power transmitter manager application;
a first wireless communication hardware having a transmitter application programming interface (API), the transmitter API operatively coupled with the power transmitter manager application and controlling the first wireless communication hardware;
a transmitter wireless antenna array that transmits controlled wireless power waves that converge to create pockets of energy in the space proximate at least one wireless power receiver, wherein:
the transmitter wireless antenna array is at least partially responsive to instructions from the power transmitter manager application, and
the transmitter API calls the power transmitter manager application through a transmitter callback function, and the transmitter callback function sends a callback when a communication connection begins, a communication connection ends, a communication connection is attempted, or a message is received; and
the at least one wireless power receiver that includes:
a second processor running a power receiver application;
a second wireless communication hardware having a receiver API, the receiver API operatively coupled to the power receiver application and controlling the second wireless communication hardware;
a receiver wireless antenna array that receives and uses wireless power from the pockets of energy created by the wireless power transmitter, wherein the receiver wireless antenna array is at least partially responsive to instructions from the power receiver application.

US Pat. No. 10,141,790

WIRELESS NON-RADIATIVE ENERGY TRANSFER

Massachusetts Institute o...

1. An apparatus for a wireless power system for providing power to a vehicle, the wireless power system including a device resonator and a load coupled to the device resonator to receive power from the device resonator and for powering the vehicle, the device resonator having a resonant frequency ?2, an intrinsic loss rate ?2, and capable of storing electromagnetic energy with an intrinsic quality factor Q2=?2/(2?2)?200, the device resonator comprising at least one loop of conductive material and further comprising a capacitance,the apparatus comprising:
a source resonator and a power supply coupled to the source resonator to provide power to the source resonator, the source resonator having a resonant frequency ?1, an intrinsic loss rate ?1, and capable of storing electromagnetic energy with an intrinsic quality factor Q1=?1/(2?1)>200, the source resonator comprising at least one loop of conductive material and further comprising a capacitance,
wherein the source resonator and the device resonator are configured to resonantly and wirelessly couple electromagnetic power from the source resonator to the device resonator using non-radiative electromagnetic induction having an energy transfer rate ?, and wherein the intrinsic loss rates satisfy ?/??1?2>5 over a range of distances D, and
wherein the source resonator and the device resonator each have a characteristic size, and the characteristic size of the source resonator is not more than 100/30 times the characteristic size of the device resonator.

US Pat. No. 10,141,789

CONVERTER AND POWER RECEIVING APPARATUS

CENTRAL JAPAN RAILWAY COM...

1. A converter for converting input power, the converter comprising:a plurality of capacitors,
a plurality of resistors, and
a controller configured to adjust a power factor of the input power by controlling a capacitive reactance of an equivalent capacitor formed by combining the plurality of capacitors,
wherein the controller identifies the capacitive reactance that maximizes a resistance of an equivalent resistor formed by combining the plurality of resistors and connected to the equivalent capacitor in series in a state of constant output power.

US Pat. No. 10,141,788

DYNAMIC TUNING IN WIRELESS ENERGY TRANSFER SYSTEMS

WiTricity Corporation, W...

1. A variable capacitance device comprising:a first capacitor comprising a first-capacitor first terminal and a first-capacitor second terminal, the first-capacitor first terminal electrically connected to a ground;
a first switch comprising a first-switch first terminal, a first-switch second terminal, and a first-switch control terminal, the first-switch first terminal electrically connected to the first-capacitor first terminal, and the first-switch second terminal electrically connected to the first-capacitor second terminal;
a first comparator comprising a first-comparator first input terminal electrically connected to the first-capacitor second terminal;
a second capacitor comprising a second-capacitor first terminal and a second-capacitor second terminal, the second-capacitor first terminal electrically connected to the ground;
a second switch comprising a second-switch first terminal, a second-switch second terminal, and a second-switch a control terminal, the second-switch first terminal electrically connected to the second-capacitor first terminal, and the second-switch second terminal electrically connected to the second-capacitor second terminal;
a second comparator comprising a second-comparator first input terminal electrically connected to the second-capacitor second terminal; and
control circuitry coupled with the first-switch control terminal, with the second-switch control terminal, with a first-comparator output terminal of the first comparator, and with a second-comparator output terminal of the second comparator,
wherein the control circuitry is configured to adjust respective capacitances of the first and second capacitors by:
detecting a zero voltage condition across the first switch based on an output signal of the first comparator, and, in response, cause a first control signal to be applied to the first-switch control terminal for a duration of time, wherein the first control signal causes the first switch to close; and
detecting a zero voltage condition across the second switch based on an output signal of the second comparator, and, in response, cause a second control signal to be applied to the second-switch control terminal for the duration of time, wherein the second control signal causes the second switch to close.

US Pat. No. 10,141,787

RECEIVING CIRCUIT FOR MAGNETIC COUPLING RESONANT WIRELESS POWER TRANSMISSION

Eaton Capital Unlimited C...

1. A receiving circuit for magnetic coupling resonant wireless power transmission comprising:a resonant circuit comprising a resonant coil and a resonant capacitor;
a rectifying circuit having an input electrically connected to two terminals of the resonant capacitor;
a storage capacitor having two terminals electrically connected to an output of rectifying circuit; and
an output circuit having an input electrically connected to the two terminals of the storage capacitor and an output configured to be electrically connected to a battery, the output circuit configured to operate as a filter in a first mode and as a boost converter in a second mode.

US Pat. No. 10,141,786

POWER RECEIVING DEVICE

TOYOTA JIDOSHA KABUSHIKI ...

1. A power receiving device comprising:a module including a power receiving unit and a device unit, the power receiving unit including a first coil and a first capacitor, the power receiving unit being configured to contactlessly receive electric power that is output from a power transmitting device, the device unit including a second coil and a second capacitor, the device unit being provided between the power receiving unit and an electrical storage device, the electrical storage device being configured to store electric power received by the power receiving unit;
a first relay provided between the device unit and the electrical storage device;
an alternating-current power supply unit configured to supply alternating current to a power line provided closer to the power receiving unit than the first relay;
a current sensor configured to detect a current flowing through the power line; and
an electronic control unit configured to, when alternating current is supplied from the alternating-current power supply unit to the power line in a case where the first relay is in a power interrupted state, detect whether there is an abnormality in at least one of the first coil, the first capacitor, the second coil and the second capacitor based on a detected value of the current sensor.

US Pat. No. 10,141,784

POWER RECEIVING DEVICE AND POWER TRANSMITTING DEVICE

TOYOTA JIDOSHA KABUSHIKI ...

1. A power receiving device comprising:a ferrite member including a plurality of pieces of ferrite, at least some of the pieces of ferrite being spaced from adjacent pieces of ferrite;
a power receiving coil disposed on a lower surface side of the ferrite member; and
a power receiving capacitor disposed on an upper surface side of the ferrite member,
the power receiving capacitor having a closed loop circuit including a first wiring connection, a second wiring connection, and a plurality of capacitor elements connected in parallel between the first wiring connection and the second wiring connection, wherein:
the ferrite member includes an outer looped ferrite and a center ferrite, the outer looped ferrite including a plurality of the pieces of ferrite disposed in a loop to form an opening and having a lower surface on which the power receiving coil is disposed, the center ferrite being disposed on the lower surface side of the outer looped ferrite and covering the opening,
the center ferrite includes a plurality of contact pieces of ferrite and an inner ferrite, the plurality of contact pieces of ferrite disposed in a loop in contact with an edge of the opening of the outer looped ferrite, the inner ferrite disposed inwardly of the contact pieces of ferrite, and
when the power receiving capacitor and the ferrite member are viewed from the lower surface side of the ferrite member, the closed loop circuit is located behind and within a perimeter of one of the pieces of ferrite, the one of the pieces of ferrite being of the inner ferrite.

US Pat. No. 10,141,783

TRANSMITTING DEVICE, RECEIVING DEVICE, AND POWER TRANSMISSION SYSTEM

Kabushiki Kaisha Toshiba,...

1. A power transmission system comprising:a transmitting device including
a transmitting housing including a first transmitting surface and a second transmitting surface inclined with respect to the first transmitting surface, and
a transmitting coil including a first transmitting part arranged in the transmitting housing at a side of the first transmitting surface and a second transmitting part arranged in the transmitting housing at a side of the second transmitting surface; and
a receiving device including
a receiving housing including a first receiving surface and a second receiving surface inclined with respect to the first receiving surface, and
a receiving coil including a first receiving part arranged in the receiving housing at a side of the first receiving surface and a second receiving part arranged in the receiving housing at a side of the second receiving surface,
wherein a reference position of the receiving coil with respect to the transmitting coil at a time of power transmission is set such that the first receiving part and the first transmitting part face each other, and the second receiving part and the second transmitting part face each other,
a first facing area between the first receiving part and the first transmitting part at the reference position, and a second facing area between the second receiving part and the second transmitting part at the reference position are set such that change of strength of magnetic coupling between the transmitting coil and the receiving coil of when the receiving device is moved in a direction perpendicular to the first transmitting surface becomes smaller than change of strength of magnetic coupling between the transmitting coil and the receiving coil of when the receiving device is moved in a direction perpendicular to the second transmitting surface, and
when the receiving device moves from the reference position to a maximum position gap distance in a direction perpendicular to the first transmitting surface, strength of magnetic coupling between the second transmitting part and the second receiving part becomes larger and strength of magnetic coupling between the first transmitting part and the first receiving part becomes smaller.

US Pat. No. 10,141,782

WIRELESS INDUCTIVE POWER TRANSFER

KONINKLIJKE PHILIPS N.V.,...

1. A power transmitter for transferring power to a power receiver using a wireless inductive power signal, the power transmitter comprising:an inductor for providing the power signal;
a power signal generator for driving the inductor to provide the power signal;
a calibration controller for determining whether a power loss calibration has been performed for the power transmitter and power receiver pairing, the power loss calibration determining an expected relationship between a received power indication provided by the power receiver and a transmitted power indication for the power transmitter;
a power limiter arranged to restrict a power provided to the inductor based on a power loss calibration;
a receiver for receiving the received power indications from the power receiver; and
a detector for detecting a parasitic power consumption based on a deviation between an actual relationship and the expected relationship.

US Pat. No. 10,141,781

CONTACTLESS POWER TRANSFER SYSTEM, POWER RECEIVING DEVICE, AND POWER TRANSMISSION DEVICE

TOYOTA JIDOSHA KABUSHIKI ...

1. A contactless power transfer system comprising:a power transmission device; and
a power receiving device that contactlessly receives electric power from the power transmission device, wherein
the power receiving device includes a power receiving circuit, a power storage device, and a first electronic controller, wherein
the power receiving circuit contactlessly receives the electric power from the power transmission device,
the power storage device stores the electric power received by the power receiving circuit, and
the first electronic controller generates a first command for start of power transmission to the power transmission device, according to a preset time schedule, such that charging of the power storage device is started according to the preset time schedule,
the power transmission device includes a power transmitting circuit and a second electronic controller, wherein
the power transmitting circuit contactlessly transmits the electric power obtained from a power supply provided outside the power transmission device, to the power receiving circuit, in a condition where the power transmission device and the power supply are connected to each other via a power supply cable,
the second electronic controller determines whether a series of manipulations including severing connection between the power transmission device and the power supply via the power supply cable, and then connecting the power transmission device with the power supply again via the power supply cable, are performed within a predetermined period of time, and
the second electronic controller sends a predetermined signal to the power receiving device when the second electronic controller determines that the series of manipulations are performed within the predetermined period of time, and
the first electronic controller generates a second command for start of power transmission to the power transmission device, irrespective of the preset time schedule, when the first electronic controller receives the predetermined signal in a case where the preset time schedule is set.

US Pat. No. 10,141,779

UNINTERRUPTIBLE ELECTRIC POWER SYSTEM

Cloud Network Technology ...

1. An uninterruptible electric power system comprising:a main power supply unit; an uninterruptible power supply unit configured to receive AC commercial power from the main power supply unit and configured to convert the AC commercial power to stable AC power; and
a slave power supply unit connected to the uninterruptible power supply unit configured to receive the stable AC power from the uninterruptible power supply unit, the slave power supply unit comprising a slave static transfer switch, which comprises:
a first input terminal connected to the uninterruptible power supply unit to receive the stable AC power, a second input terminal receiving the AC commercial power, and an output terminal configured to connect, when the uninterruptible power supply unit is in normal operation, to the first input terminal to receive the stable AC power and connect, when the uninterruptible power supply unit operates abnormally, to the second input terminal to receive the AC commercial power;
wherein the slave power supply unit comprises a second automatic transfer switch, the second automatic transfer switch comprises a main input terminal, a slave input terminal, and a carryout terminal, the main input terminal is connected to the uninterruptible power supply unit to receive the stable AC power, the slave input terminal is connected to a generator, the carryout terminal is connected to the first input terminal of the slave static transfer switch.

US Pat. No. 10,141,778

REDUNDANT POWER AND POWER SAVING METHOD THEREOF IN COLD REDUNDANT MODE

3Y Power Technology (Taiw...

1. A redundant power, comprising:a main power circuit configured to generate a main power, wherein the main power has a main power operation voltage level and a main power standby voltage level, and the main power operation voltage level is higher than the main power standby voltage level;
a main power isolation unit coupled to the main power circuit and configured to receive and output the main power;
an auxiliary power circuit configured to generate an auxiliary power, wherein the auxiliary power has an auxiliary power operation voltage level and an auxiliary power standby voltage level, and the auxiliary power operation voltage level is higher than the auxiliary power standby voltage level;
an auxiliary power isolation unit coupled to the auxiliary power circuit and configured to receive and output the auxiliary power; and
a micro control unit configured to transmit a cold redundant signal to the main power circuit and the auxiliary power circuit when receiving the cold redundant signal outputted from an external system, and to output a first disable signal and a second disable signal to the main power isolation unit and the auxiliary power isolation unit respectively,
wherein the main power circuit reduces the main power from the main power operation voltage level to the main power standby voltage level, and simultaneously the auxiliary power circuit reduces the auxiliary power from the auxiliary power operation voltage level to the auxiliary power standby voltage level, in response to the cold redundant signal,
wherein the main power isolation unit is disabled according to the first disable signal, and simultaneously the auxiliary power isolation unit is disabled according to the second disable signal.

US Pat. No. 10,141,777

THREE-PORT CONVERTOR HAVING INTEGRATED MAGNETIC AND ZERO-PORT CURRENT RIPPLE

SHENZHEN AEROSPACE NEW PO...

1. A three-port converter with magnetic integration and zero port current ripples, wherein the three-port converter comprises: an input terminal of a solar battery, a busbar terminal, a storage battery terminal, a superboost circuit of a magnetic-integration magnetic ring, a bidirectional superbuck circuit, a first current ripple cancellation branch, a second current ripple cancellation branch, and a third current ripple cancellation branch;wherein the solar battery transfers energy to the busbar terminal unidirectionally through the superboost circuit of the magnetic-integration magnetic ring; the superboost circuit of the magnetic-integration magnetic ring comprises an input capacitor of the solar battery, a busbar filter capacitor, first and second N-MOSFETs, a first inductor, a second inductor, and a fifth inductor;
wherein the storage battery transfers energy to the busbar terminal bidirectionally through the bidirectional superbuck circuit, and the bidirectional superbuck circuit comprises a third N-MOS transistor, a fourth N-MOS transistor, a freewheeling inductor of the superbuck circuit, a third inductor, a fourth inductor, and the fifth inductor, and a filter capacitor of the storage battery terminal, wherein the input capacitor is connected with a solar battery constant-current source in parallel;
wherein the busbar filter capacitor has one terminal connected with a busbar output terminal and has the other terminal grounded;
wherein a grid of the first N-MOSFET is connected with a first driving circuit through the first inductor, a dotted terminal of the first inductor is connected with the grid of the first N-MOSFET, the drain of the first N-MOSFET is connected with the input terminal of the solar battery, the source of the first N-MOSFET is connected with the dotted terminal of the fifth inductor, and the opposite terminal of the fifth inductor is grounded;
wherein the source of the second N-MOSFET is connected with the input terminal of the solar battery, the drain of the second N-MOSFET is connected with the dotted terminal of the second inductor, the grid of the second N-MOSFET is connected with a second driving circuit, and the opposite terminal of the second inductor is connected with the busbar output terminal;
wherein a first capacitor has one terminal connected with the dotted terminal of the second inductor and the other terminal connected with the dotted terminal of the fifth inductor;
wherein the filter capacitor of the storage battery terminal is connected with the storage battery in parallel, the drain of the third N-MOS transistor is connected with the drain of the second N-MOSFET, the source of the third N-MOS transistor is connected with the drain of the fourth N-MOS transistor Q4, the grid of the third N-MOS transistor is connected with the dotted terminal of the third inductor, and the opposite terminal of the third inductor is connected with a third driving circuit;
wherein the source of the fourth N-MOS transistor is connected with the dotted terminal of the fifth inductor, the grid of the fourth N-MOS transistor is connected with the dotted terminal of the fourth inductor, and the opposite terminal of the fifth inductor is connected with a fourth driving circuit; the source of the third N-MOS transistor is connected with the dotted terminal of the freewheeling inductor of the superbuck circuit, and the opposite terminal of the freewheeling inductor is connected with the input terminal of the storage battery;
wherein the first, second, fourth and fifth inductors are wound on a magnetic ring, the freewheeling and third inductors are wound on the other magnetic ring; and the first and second current ripple cancellation branches are used for cancelling the current ripple at the solar input side, the third current ripple cancellation branch is used for cancelling the current ripples at the battery side, and each current ripple cancellation branch is formed by connecting an independent inductor, a winding wound on the magnetic ring and a thin film capacitor in series.

US Pat. No. 10,141,776

DISTRIBUTION OF POWER COMMANDS IN AN ENERGY STORAGE SYSTEM

General Electric Company,...

1. A method for controlling power distribution in an energy storage system comprising:receiving, by one or more processors, a power command, wherein the power command requests a discharge or a charge from one or more battery energy storage system (BESS) units, and wherein the one or more BESS units are housed in one or more temperature controlled rooms;
for each of the one or more temperature controlled rooms:
determining, by the one or more processors, an energy storage boundary based on the one or more BESS units in the temperature controlled room;
determining, by the one or more processors, a threshold based on the determined energy storage boundary and an absolute boundary;
determining, by the one or more processors, a limit based on the determined threshold; and
assigning, by the one or more processors, the limit to each of the one or more BESS units housed in the temperature controlled room; and
causing, by the one or more processors, the power command to be at least partially satisfied by the one or more BESS units based on the assigned limits.

US Pat. No. 10,141,775

MOBILE-TERMINAL-CHARGING DEVICE AND VEHICLE IN WHICH SAME IS MOUNTED

PANASONIC INTELLECTUAL PR...

1. A mobile-terminal-charging device comprising:a support plate whose front surface side is a mobile-terminal-placement portion;
a charging coil which is disposed at a back surface side of the support plate to face to the support plate;
a plurality of detecting coils which is coaxially disposed on a plane of the charging coil facing to the support plate and includes a first detecting coil disposed at an innermost side;
a plurality of voltage detectors which is connected to the plurality of detecting coils, each of the plurality of detecting coils directly detecting a voltage value of each of the plurality of detecting coils;
a controller which is connected to each of the plurality of detecting coils via each of the plurality of voltage detectors,
wherein, during a charging operation, the controller compares a voltage value detected by the first detecting coil, and a difference between voltage values detected by two of the plurality of detecting coils coaxially disposed, and executes a safety operation according to a result of the comparison.

US Pat. No. 10,141,774

CHARGING CIRCUIT AND TERMINAL FOR WIRED AND WIRELESS CHARGING

Huawei Device (Dongguan) ...

1. A charging circuit, comprising:a wired connection module, a wireless charging module, a switch circuit, a control circuit, a shunt circuit, and a charging management module, wherein:
a first input/output end of the wired connection module is configured to connect to an output end of a wired charger, a second input/output end of the wired connection module connects to a first input end of the switch circuit, and the second input/output end further connects to a first input/output end of the shunt circuit;
a first input end of the control circuit connects to the second input/output end of the wired connection module, and an output end of the control circuit connects to an enabling end of the wireless charging module;
an output end of the wireless charging module connects to a second input end of the switch circuit;
a first output end of the switch circuit connects to an input/output end of the charging management module;
a second input/output end of the shunt circuit connects to the input/output end of the charging management module, and a third end of the shunt circuit connects to the output end of the wireless charging module; and
an output end of the charging management module is configured to connect to a battery.

US Pat. No. 10,141,773

METHOD AND POWER TRANSMITTER FOR CONTROLLING POWER TRANSMISSION

Samsung Electronics Co., ...

1. A method of controlling power transmission in a power transmitter, the method comprising:receiving, from a plurality of power receivers, voltage information required by the plurality of power receivers, wherein the voltage information includes a minimum voltage, a reference voltage that is greater than the minimum voltage, and a demanded voltage;
transmitting power to the plurality of power receivers;
receiving, from the plurality of power receivers, a report about a power reception condition while transmitting the power, wherein the report includes a measured voltage at the plurality of power receivers;
selecting one of the plurality of power receivers; and
adjusting an amount of the power by minimizing a difference between the demanded voltage and the measured voltage of the selected power receiver.

US Pat. No. 10,141,772

COMMUNICATION DEVICE

PANASONIC INTELLECTUAL PR...

1. A communication device comprising:a substrate having an upper surface, a lower surface, and a first edge surface connecting to the upper surface and the lower surface;
a magnetic sheet disposed above the upper surface of the substrate;
a first coil disposed above an upper surface of the magnetic sheet;
a second coil having a portion facing the first edge surface of the substrate in a direction parallel with the upper surface of the substrate; and
an electronic component disposed on the upper surface of the substrate, the electronic component configured to generate noise,
wherein the magnetic sheet has a portion overlapping the second coil in a thickness direction of the magnetic sheet, and
wherein the electronic component does not overlap the magnetic sheet in the thickness direction of the magnetic sheet such that the electronic component is exposed from the magnetic sheet when viewed in plan.

US Pat. No. 10,141,771

NEAR FIELD TRANSMITTERS WITH CONTACT POINTS FOR WIRELESS POWER CHARGING

Energous Corporation, Sa...

1. A near-field transmitter comprising:a feed that is configured to receive radio frequency (RF) energy from a power source;
a housing with a cover and metallic sidewalls, the housing defining first and second cavities that are separated by a ground plane; and
a plurality of contact points extending from the second cavity to the cover of the housing, wherein:
each contact point of the plurality of contact points is located in a different region of the cover;
the feed is configured to provide the RF energy to the first cavity;
the first cavity is configured to retain the RF energy provided by the feed;
a respective contact point of the plurality is configured to leak the RF energy to a wireless-power-receiving antenna of a first electronic device when a metal part of the first electronic device is positioned on the cover at a point that contacts the respective contact point, the respective contact point being a first contact point of the plurality of contact points; and
a second contact point of the plurality is configured to leak the RF energy to a wireless-power-receiving antenna of a second electronic device when a metal part of the second electronic device is positioned on the cover at a different point that contacts the second contact point.

US Pat. No. 10,141,770

POWERING AND/OR CHARGING WITH A PLURALITY OF PROTOCOLS

Mojo Mobility, Inc., San...

1. A system for use in wireless charging or wireless powering, comprising:a base for wirelessly charging or wirelessly powering; and
a receiver receiving electricity wirelessly from the base, the receiver associated with a battery or device,
wherein the base or the receiver is capable of detecting and operating under a plurality of power protocols or a plurality of charging protocols that require different base operation frequencies or messages between the base and the receiver, thereby allowing the base to transfer electricity wirelessly to the battery or device in a manner consistent with a common charging or common power protocol shared between the base and the receiver of appropriate form factors.

US Pat. No. 10,141,768

SYSTEMS AND METHODS FOR MAXIMIZING WIRELESS POWER TRANSFER EFFICIENCY BY INSTRUCTING A USER TO CHANGE A RECEIVER DEVICE'S POSITION

Energous Corporation, Sa...

1. A method for receiving wireless power, comprising:receiving, by at least one antenna of a receiver device, radio frequency (RF) power transmission waves from a transmitter, the RF power transmission waves converging to form controlled constructive interference patterns and destructive interference patterns in proximity to the receiver device, wherein the destructive interference patterns form a null space that surrounds the controlled constructive interference patterns and the controlled constructive interference patterns form a pocket of RF energy to be received by the receiver device;
transmitting, by the receiver device to the transmitter, information used to determine a power level of the pocket of RF energy and efficiency of power received by the receiver device via the at least one antenna from the pocket of RF energy, wherein:
the information is determined by one or more sensors in the receiver device, and
the information used to determine the power level and efficiency indicates to the transmitter that the receiver device is receiving power at less than a maximum available efficiency; and
while receiving energy from the pocket of RF energy, instructing a user of the receiver device to change a position of the receiver device based on a comparison of respective voltage level or power received in each respective position or orientation of the receiver device until a level of efficiency that is no less than the maximum available efficiency is achieved for the efficiency of power received by the receiver device via the at least one antenna.

US Pat. No. 10,141,767

MICROPROJECTION DEVICE AND MAGNETIC SUSPENSION BASE

BOE Technology Group Co.,...

1. A magnetic suspension base, comprising: a housing and only four base magnets disposed in the housing,wherein
the housing is in a shape of hollow circular truncated cone, and comprises an upper surface, a lower surface, an inner surface and an outer surface, the inner surface is an cylindrical surface perpendicular to the upper surface and the lower surface, the upper surface is in a shape of circular ring;
the only four base magnets are spaced apart from each other, north poles of the only four base magnets point at a same direction, and distances between centers of orthographic projections of the only four base magnets on the lower surface and a center of the lower surface are same;
a magnetic field direction of a center of a combined magnetic field formed by the only four base magnets is in a vertical direction; and
magnetic intensity at the center of the combined magnetic field is less than magnetic intensity of the combined magnetic field near the base magnets.

US Pat. No. 10,141,765

SINGLE PIN MOSFET DRIVE AND DISCHARGE FUNCTIONALITY

Power Integrations, Inc.,...

1. A circuit for use with a Universal Serial Bus (USB) socket, the circuit comprisinga power converter coupled to receive an input voltage at an input terminal and coupled to provide an output voltage at an output terminal;
a transistor coupled between the output terminal of the power converter and a bus voltage terminal of the USB socket;
a USB communication controller coupled to the USB socket, wherein the USB communication controller includes an output terminal coupled to a control terminal of the transistor; and
a bleeder circuit coupled between the output terminal of the USB communication controller and the bus voltage terminal of the USB socket.

US Pat. No. 10,141,764

BATTERY CHARGING REGULATOR

Dialog Semiconductor (UK)...

1. A battery charging regulator for use with a charger comprising:a switch element comprising a control terminal and first and second path terminals located at a first and a second end of a conductive path respectively; the switch element being adapted to selectively couple an input provided by a DC-DC converter with an output for a battery;
a control-circuit coupled to the switch element, adapted to adjust an input to the control terminal to regulate at least one of a charge current and a charge voltage supplied to the battery via the conductive path; and
an adjuster-circuit coupled to the switch element, adapted to sense a gate voltage of the switch element; and to adjust a value of the input provided by the DC-DC converter based on the sensed gate voltage.

US Pat. No. 10,141,763

SOFT START METHOD AND CIRCUIT

Analog Devices, Inc., No...

1. A method for reducing an inrush current in a circuit, the method comprising:sensing an error between a measured current and a target reference current, wherein the measured current is measured based on a difference in a first voltage at a first node of a resistor and a second voltage at a second node of the resistor;
generating an intermediate control voltage proportional to the error;
generating a soft start control voltage; and
generating a current control voltage for controlling the measured current wherein the current control voltage is a lowest voltage of the intermediate control voltage or the soft start control voltage.

US Pat. No. 10,141,762

ALL-SOLID-STATE BATTERY SYSTEM

Toyota Jidosha Kabushiki ...

1. An all-solid-state battery system having an all-solid-state battery and a control device, the all-solid-state battery having a positive electrode active material layer, a solid electrolyte layer and a negative electrode active material layer, the control device controlling a lower limit discharge potential of the positive electrode active material layer of the all-solid-state battery; wherein,the positive electrode active material layer and/or the solid electrolyte layer have a sulfide solid electrolyte,
the positive electrode active material layer has an olivine-type positive electrode active material having a formula LixMyPOz, wherein, M represents Fe, Mn, Co and Ni, provided that M at least comprises Fe, x is such that 0.5?x?1.5, y is such that 0.5?y?1.5 and z is such that 2?z?7,
the capacity of the negative electrode active material layer is lower than the capacity of the positive electrode active material layer, and
the control device controls the lower limit discharge potential of the positive electrode active material layer during normal use of the all-solid-state battery to within a range of 1.6 V vs. Li/Li+ to 2.1 V vs. Li/Li+.

US Pat. No. 10,141,761

RESCUE BATTERY

1. An apparatus for providing emergency backup power to a cellphone that has a power supply, the apparatus comprising:a housing;
a non-rechargeable battery with at least a one-year shelf life, integrated within the housing; and
a cellphone interface coupled to the housing, configured to be inserted into a data port of the cellphone, to electrically couple the battery to the power supply of the cellphone, to carry current from the battery to the power supply, and to provide the sole means of attachment of said apparatus to said cell phone such that said apparatus will remain attached to said cell phone under its own weight when said cell phone is in usewherein:the energy-storage apparatus is in a ready-to-use state;
a length of the housing is between 20 and 70 mm;
a height of the housing is between 10 and 40 mm;
a depth of the housing is between 5 and 30 mm;
said length is longer than said height;
said length is longer than said depth;
said cellphone interface is rigidly coupled to a top surface of said housing and is centered at about a midpoint of said length;
said cellphone interface proceeds at right angles from said housing;
said housing comprises a front surface; and
said front surface comprises a front open dimple centered at about said midpoint of said length.

US Pat. No. 10,141,760

POWER SUPPLY CIRCUIT, CHARGE CIRCUIT, CHARGING SYSTEM, POWER SUPPLYING METHOD, AND CHARGING METHOD

SOCIONEXT INC., Yokohama...

1. A power supply circuit comprising:a first power supply adapted to be electrically coupled to a first power supply terminal and a first ground terminal, wherein the first power supply supplies the first power supply terminal with a DC voltage having a higher electric potential than the first ground terminal;
a short-circuit line adapted to short-circuit a first data terminal and a second data terminal; and
a second power supply including a positive terminal and a negative terminal, wherein the positive terminal is adapted to be electrically coupled to the first ground terminal and the negative terminal is adapted to be electrically coupled to the short-circuit line, and wherein the second power supply supplies the first data terminal and the second data terminal with a negative voltage having a lower electric potential than the first ground terminal.

US Pat. No. 10,141,759

BATTERY FUEL GAUGE APPARATUS

Taiwan Semiconductor Manu...

1. An apparatus comprising:a first transistor connected to a battery pack between an input voltage and ground, wherein the first transistor is configured to conduct a current flowing through the battery pack;
a current mirror device comprising a second transistor, wherein a first terminal of the current mirror device is connected to a first terminal of the first transistor through a first switch and a second terminal of the current mirror device is connected to a second terminal of the first transistor through a second switch;
a sensing device comprising a resistive element coupled to the current mirror device;
a transistor coupled to the sensing device; and
an operational amplifier comprising:
a first input coupled to the first transistor;
a second input coupled to the current mirror device; and
an output coupled to the transistor.

US Pat. No. 10,141,757

MOBILE DEVICE CHARGING STATIONS AND METHODS FOR MAKING SAME

JPM Networks LLC, Dallas...

1. A floor stand for supporting one or more mobile device charging stations for charging a plurality of mobile devices, comprising:a vertical support member having an upper end and a lower end, wherein the one or more mobile device charging stations are supported on the vertical support member;
each mobile device charging station for charging a plurality of mobile devices including:
a panel having an upper end and a lower end and a substantially planar front face and a back face;
a channel having a front portion spaced away from a plane of the substantially planar front face of the panel and a bottom portion substantially perpendicular to the front portion, with the bottom portion of the channel being adapted to support a plurality of mobile devices between the front portion of the channel and the substantially planar front face of the panel when the substantially planar front face of the panel is in a substantially upright position;
an electronic circuit adapted for charging the plurality of mobile devices;
a housing having a plurality of walls enclosing the electronic circuit, wherein the housing is attached to the panel; and
a plurality of cables each having a first end enclosed by the housing and in electrical communication with the electronic circuit, each of the plurality of cables extending through an aperture in one of: (a) the panel or (b) one of the walls of the housing, with each of the plurality of cables having a length sufficient that a second end of the respective cable at least reaches a location substantially proximal to the channel, with the second end of each of the plurality of cables adapted for connecting with one of the plurality of mobile devices to deliver charge to the respective mobile device from the electronic circuit.

US Pat. No. 10,141,756

DYNAMIC POWER OPTIMIZATION WHEN TRANSFERRING POWER BETWEEN BATTERIES

Amazon Technologies, Inc....

1. A system, comprising:a removable battery pack comprising:
a supplemental battery;
a connector configured to electrically connect the battery pack to an electronic device, the connector comprising a ground line, a control line, and a power line for transferring electrical energy between the battery pack and the electronic device;
a first charger circuit coupled to the supplemental battery;
the electronic device comprising:
a device battery;
a second charger circuit coupled to the device battery, the second charger circuit configured to charge the device battery using power received at an input of the second charger circuit;
a detection circuit configured to determine a charge level of the device battery, a range of the charge level being from empty to full;
a first switch having a first terminal connected to the power line and a second terminal connected to the input of the second charger circuit, wherein the power line and the input of the second charger circuit are electrically connected when the first switch is closed;
a controller configured to:
at a first time:
determine that the charge level is below a first threshold, the first threshold being greater than empty,
close the first switch, and
cause the power line to be electrically connected to the input of the second charger circuit, and
at a second time after the first time:
determine that the charge level is above a second threshold, the second threshold being greater than the first threshold but less than full,
open the first switch, and
cause the power line to be electrically disconnected from the input of the second charger circuit.

US Pat. No. 10,141,755

MULTI-FUNCTIONAL PORTABLE POWER CHARGER

Halo International SEZC L...

1. A battery jump start clamp comprising:an upper handle that has distal and proximal ends;
a lower handle that has distal and proximal ends, and is pivotally connected to the upper handle between the distal and proximal ends;
a first conductive jaw at the distal end of one of the upper handle and the lower handle;
a power cable that extends from the first conductive jaw along the one of the upper handle and the lower handle on which said first conductive jaw is disposed;
a second jaw at the distal end of the other of the upper handle and the lower handle opposite from the first conductive jaw;
a power wire operatively electrically connecting the second jaw to the first conductive jaw;
a sensing contact at the distal end of one of the upper handle and the lower handle;
a sensing wire that extends from the sensing contact along the one of the upper handle and the lower handle on which said sensing contact is disposed,
wherein the sensing contact is electrically isolated from the first conductive jaw.

US Pat. No. 10,141,754

INTEGRATION OF BATTERY MANAGEMENT SYSTEM AND BATTERY CHARGER

ROBERT BOSCH GMBH, Stutt...

1. A battery module, comprising:at least one battery unit for providing a power supply electrical current;
a transistor unit for serving as a switch for the at least one battery unit; and
a battery management unit that includes a processor, a first electrical current sensor resistor port, and a second electrical current sensor resistor port;
wherein:
the transistor unit includes a switch gate node, a first switch current node, and a second switch current node; and
the transistor unit is provided such that:
the power supply electrical current passes through the first switch current node and the second switch current node when a predetermined transistor on-state voltage is applied to the switch gate node; and
the power supply electrical current is blocked from passing through the first switch current node and the second switch current node when a predetermined transistor off-state voltage is applied to the switch gate node; and
the processor is connected to the switch gate node;
the transistor unit further serves as an electrical current sensor;
the first electrical current sensor resistor port is connected to the first switch current node;
the second electrical current sensor resistor port is connected to the second switch current node; and
the processor is adapted to:
measure an electrical current according to a potential difference between the first electrical current sensor resistor port and the second electrical current sensor resistor port;
compare the measured electrical current with a predetermined over-current value; and
send the predetermined transistor off-state voltage to the switch gate node in response to a result of the comparison being that there is a deviation of the electrical current from the predetermined over-current value.

US Pat. No. 10,141,752

DRAWBACK RESISTANT BATTERY MONITORING UNIT

YAZAKI CORPORATION, Mina...

1. A battery monitoring unit that is connected thereto a battery unit including a plurality of chargeable/dischargeable battery cells being connected with each other in series and performs charge-and-discharge control and monitoring of the battery unit, the battery monitoring unit comprising:a first circuit connected to a first ground base in the battery monitoring unit;
a second circuit connected to a second ground base in the battery monitoring unit; and
a diode connected between the first ground base and the second ground base, wherein
the first ground base and the second ground base are commonly connected between a low-potential-side terminal of the battery unit and an external ground base via a first ground line and a second ground line, respectively,
the first circuit detects a terminal voltage of the battery cell arranged on a lowermost potential side among the battery cells to determine whether a disconnection has occurred in the first ground line.

US Pat. No. 10,141,751

CONTROL SYSTEM FOR ELECTRIC STORAGE SYSTEM

Hitachi, Ltd., Tokyo (JP...

1. A control system to control an electric storage system in which a plurality of pairs of storage batteries and converters are connected in parallel to a power system, comprising:a controller configured to control a charge total power received by the plurality of pairs of storage batteries and converters,
wherein a total number of the plurality of pairs of storage batteries and converters is N, and N is ?2,
wherein the controller is configured to:
compare the charge total power (P) to be received by the plurality of pairs of storage batteries and converters with a limit output (p0) corresponding to a predetermined conversion efficiency of a first pair of the storage batteries and converters
when p0?P?N×p0, determine an operation number (n) of the pairs of storage batteries and converters which are to operate to receive the P in parallel, where n is equal to an integer quotient of P/p0, and
wherein the controller is further configured to:
determine respective charge powers (Pi) of each of the n pairs of storage batteries and converters for a charge operation based on respective states of charge (SOCi) of each of the n pairs of storage batteries and converters and a predetermined upper limit charge amount (SOCmax).

US Pat. No. 10,141,750

BATTERY APPARATUS WITH VOLTAGE-BALANCING CONTROL AND METHOD FOR CONTROLLING THE SAME

Cyber Power Systems Inc.,...

1. A battery apparatus with voltage-balancing control, comprising:multiple series-connected batteries connected in series to a DC (Direct Current) interface, and charged thereto and discharging therefrom via the DC interface;
a voltage-balancing module having a processor, multiple voltage-balancing control circuits and multiple voltage detection circuits; and
a voltage detection cable assembly having multiple voltage detection cables and a ground cable;
wherein
the voltage-balancing module detects voltage of the multiple series-connected batteries by virtue of the multiple voltage detection cables and the ground cable;
each voltage detection circuit serves to detect a voltage value Vn of a respective one of the series-connected batteries;
the processor of the voltage-balancing module calculates an allowable discharge control parameter Duty of each battery and controls a corresponding voltage-balancing circuit to perform battery discharge of the battery according to the allowable discharge control parameter Duty for voltage of the series-connected batteries to be balanced, and equation for calculating the allowable discharge control parameter Duty of each battery is given by:
Duty=Kp*Vdiff1+Ki*V(t)
where
Duty is a time duration while battery discharge of the corresponding battery is continuously activated and is controllable through pulse width modulation (PWM);
Kp and Ki are engineering parameters;
equation for calculating a first voltage difference value Vdiff1 is: Vdiff1=Vn?Vref1;
equation for calculating a voltage value at a time t, V(t), is: V(t)=?0tVdiff 2;
equation for calculating a second voltage difference value Vdiff2 is: Vdiff2=Vn?Vref2; and
Vref1 and Vref2 are a first reference voltage value and a second reference voltage value respectively.

US Pat. No. 10,141,749

RESONANCE TUNING

NATIONAL SEMICONDUCTOR CO...

1. A wireless power transfer device, comprising:power transfer terminals for coupling to a power transfer resonator external to the device, the resonator including:
a resonator power transfer coil, and
a resonator tuning capacitor with an adjustable tuning capacitance C_A,
the power transfer resonator having a self-resonant frequency controllable based on adjusting C_A;
a variable converter circuit to generate a variable alternating current voltage Vac and adjustable tuning signals to adjust adjustable tuning capacitance C_A, output through the power transfer terminals, corresponding to the controllable self-resonant frequency of the power transfer resonator;
the variable converter circuit operable, when the power transfer device is magnetically coupled through the power transfer resonator to a power receiver device with a power receiver resonator, to:
output through the power transfer terminals an initial Vac corresponding to an initial self-resonant frequency fA for the power transfer resonator, based on an initial capacitance value C_A for the adjustable tuning capacitor;
iteratively adjust Vac to control the self-resonant frequency fA for the power transfer resonator, including iteratively adjusting capacitance C_A for the resonator tuning capacitor, based on iteratively estimating a self-resonant frequency fB of the power receiver device, by:
sweeping the frequency of Vac in discrete frequency steps, and in each frequency step, monitoring a circuit parameter of the variable converter circuit,
identifying a first local maximum and a second local maximum for the values of the circuit parameter corresponding to two resonant modes of the power transfer resonator and the power receiver resonator,
ascertaining a first frequency and a second frequency corresponding to the first and second local maxima, respectively, and
estimating a self-resonant frequency fB_est of the power receiver device based on the first and second frequencies;
the variable converter circuit operable, when (fA?fB_est) is different than a threshold value, to:
adjust the tuning capacitance C_A so that fA is substantially equal to fB_est; and
iteratively perform a next estimation for a next estimated self-resonant frequency fB_est.

US Pat. No. 10,141,748

INDUCTIVE WIRELESS POWER TRANSFER SYSTEMS

Ford Global Technologies,...

1. A wireless power transfer method comprising:in response to an indication that a secondary coil assembly has a two-pole configuration, controlling current flow in each of a pair of primary coils that are spaced apart and positioned on a same side of a ferrite pad such that directions of the current flow in the primary coils are opposite; and
in response to an indication that the secondary coil assembly has a three-pole configuration, controlling current flow in each of the primary coils such that directions of the current flow in the primary coils are the same.

US Pat. No. 10,141,747

METHOD AND AN APPARATUS FOR TRANSFERRING ELECTRICAL POWER AND DATA

EGGTRONIC ENGINEERING S.R...

1. An apparatus for transferring electrical power and data including a primary circuit and a secondary circuit,wherein the primary circuit comprises:
an energy source (10),
at least a pair of transmitting armatures (100, 100?), a first of the armatures (100) being connected in use to a different potential with respect to a second of the armatures (100?),
at least a power transmitter (12) connected to the energy source (10) and at least one of the armatures (100, 100?), and
at least a transceiver (20) connected to at least one of the transmitting armatures (100, 100?), the transceiver (20) configured for receiving and/or transmitting data via the transmitting armatures (100, 100?) independently of the power transmitted by the power transmitter (12),
at least a first capacitor (54) arranged between a head of the transceiver (20) and one of the transmitting armatures (100), at least a first inductance (50) arranged between the power transmitter (12) and one of the transmitting armatures (100), and at least a second inductance (50?) arranged between the power transmitter (12) and the other of the transmitting armatures (100?), the inductances being located upstream of the transceiver (20),
and wherein the secondary circuit comprises:
at least a pair of receiving armatures (200, 200?) each arranged in proximity of a respective transmitting armature (100, 100?) of the primary circuit,
a load (18) connected to the receiving armatures (200, 200?), and
a transceiver (22) connected to the transmitting armatures (200, 200?), the transceiver (22) being particularly suitable for use in receiving and/or transmitting data via the receiving armatures (200, 200?) independently of the power transmission
at least a first capacitor (56) arranged between the transceiver (22) and one of the receiving armatures (200), and at least a second capacitor (56?) arranged between the transceiver (22) and the other of the receiving armatures (200?), at least a first inductance (52) arranged between the load (18) and one of the transmitting armatures (200), and at least a second inductance (52?) arranged between the load (18) and the other of the receiving armatures (200?), the inductances being located downstream of the transceiver (20).

US Pat. No. 10,141,746

CASCADE OF SAFETY SWITCHES WITH ADDITIONAL VOLTAGE SOURCE CONNECTION

SICK AG, Waldkirch (DE)

1. A cascade of safety switches having safety switches for the monitoring ofaccesses of an automation system;
at least one connection unit for the arrangement between two safety switches; and
a terminator for the termination of the cascade of safety switches,
wherein each safety switch has a first conductor and a second conductor, the first conductor comprises conductor cores for transmitting signals and for receiving voltage, the second conductor comprises conductor cores for receiving signals and for forwarding the voltage along the cascade, and
the connection unit comprises a first circuit and a second circuit; and
wherein the first circuit is provided for receiving the signals of a subsequent safety switch and for forwarding the signals of the subsequent safety switch to an upstream safety switch and the second circuit is arranged for transmitting a voltage from the subsequent safety switch to the upstream safety switch by a conductor core; and
the connection unit providing an external voltage source to feed additional voltage into the cascade by the second circuit and conduct the additional voltage to the upstream safety switch.

US Pat. No. 10,141,745

PHOTOVOLTAIC POWER CONDITIONING UNITS

Tesla, Inc., Palo Alto, ...

6. A photovoltaic (PV) system for delivering power to an AC grid, the PV system comprising:a PV panel comprising a plurality of sub-strings of series connected solar cells, each sub-string of the plurality of sub-strings having an electrical connection at either end;
a set of series connected input power converters, one coupled to each sub-string of the plurality of sub-strings, wherein each input power converter includes one or more bypass diodes, a Maximum Power Point Tracking (MPPT) circuit and an output coupled to a common DC link; and
a common output power conversion stage coupled to the common DC link and configured to provide power to the AC grid;
wherein each MPPT circuit includes a control circuit that adjusts a DC output voltage of one or more of the input power converters to maintain a voltage of the common DC link above a peak AC grid voltage.

US Pat. No. 10,141,744

CABLE ARRANGEMENT OF AN ENERGY STORAGE SYSTEM

General Electric Company,...

1. An energy storage system comprising:an energy storage device;
a switching power supply coupled to the energy storage device;
one or more cables configured to couple the energy storage device to the switching power supply; and
a magnetic framework positioned proximate the one or more cables, the magnetic framework comprising one or more magnetic structures, the magnetic framework spanning at least a portion of a length of the one or more cables;
wherein the one or more cables are positioned in a physical arrangement that, in conjunction with the magnetic framework, facilitates a selected inductance between the cables; and
wherein the one or more cables comprise a positive cable grouping, a negative cable grouping, and a ground cable grouping, and wherein the ground cable grouping is positioned between the positive cable grouping and the negative cable grouping in a substantially parallel manner with respect to the positive cable grouping and the negative cable grouping, and wherein the magnetic framework is positioned such that at least two magnetic structures substantially surround at least one cable grouping.

US Pat. No. 10,141,743

BIPOLAR VSC-HVDC AND UPFC HYBRID TOPOLOGY AND AN OPERATION METHOD THEREOF

State Grid Jiangsu Electr...

1. A bipolar VSC-HVDC and UPFC hybrid topology, comprisinga first control circuit, a second control circuit, a DC transmission line and a third control circuit, wherein,
the first control circuit is a double circuit lines structure used as a circuit at series side of UPFC, and comprises a series side positive circuit and a series side negative circuit, both of which include a series VSC converter and a series transformer,
the first control circuit further comprises a thyristor bypass switch, a mechanical bypass switch and a resistor connected between the VSC converter and the series transformer, the VSC converters in the series side positive circuit and the series side negative circuit operate in bipolar mode, and positive and negative electrodes of the first control circuit is connected to a DC bus via a DC breaker;
the second control circuit comprises a positive circuit and a negative circuit, both of which include a shunt transformer and a VSC converter,
the VSC converters in the positive and negative circuit operate in bipolar mode and are configured with an earth electrode, and positive and negative electrodes of the second control circuit are connected to the DC bus via a DC breaker;
the third control circuit is the same as the second control circuit in terms of structures;
one end of the DC transmission line is connected to the DC bus via a DC breaker and the other end of the DC transmission line is connected to positive and negative electrodes of the third control circuit via a DC breaker respectively.

US Pat. No. 10,141,742

SYSTEM AND METHOD FOR PROVIDING A BALANCING POWER FOR AN ELECTRICAL POWER GRID

CATERVA GMBH, Pullach Im...

1. A regulating system adapted to provide in the event of a deviation from a nominal grid frequency a balancing power for an electrical power grid that is operated at the nominal grid frequency,wherein the regulating system comprises:
multiple energy storage system, ESS, units that are connected in each case by means of an inverter to the electrical power grid and comprise in each case at least one energy storage device; and
a control centre adapted to divide into sub-frequency intervals a frequency deviation interval that lies between a minimum grid frequency and a maximum grid frequency around the nominal grid frequency and adapted, in dependence upon the states of charge of the energy storage devices that are included in the energy storage system, ESS, units, to allocate different energy storage system, ESS, units to each sub-frequency interval so as to form an ESS cluster for the respective sub-frequency interval, wherein said ESS-cluster delivers a portion of the balancing power that is to be provided by the regulating system in the respective sub-frequency interval.

US Pat. No. 10,141,741

ACTIVE FILTER FOR RESONANCE REDUCTION

COMSYS AB, Lund (SE)

1. A control unit for an active filter for reducing resonance in an electric system, the electric system comprising a power source distributing an alternating current to an AC conductor, a power consuming unit connected to the AC conductor and receiving the alternating current from the AC conductor and the active filter comprising a DC power source and a DC conductor that connects the DC power source to the AC conductor, the control unit comprising:a voltage measurement unit adapted to create a voltage signal on the basis of a measured voltage;
a computing unit adapted to compute, using a biquadratic filter, a first compensating current on the basis of the voltage signal for reducing resonance in the electric system, wherein the biquadratic filter has a sample frequency exceeding 100 kSa/s; and
a switching system placed between the DC power source and the DC conductor for creating the computed first compensating current.

US Pat. No. 10,141,740

AUXILIARY SUPPLY GENERATION FOR POWER CONVERTERS

Cree, Inc., Durham, NC (...

1. A power converter comprising:a first output circuit configured to generate a first voltage to power a first output load;
a second output circuit configured to generate a second voltage to power a second output load; and
a control circuit configured to:
control power supplied from a magnetic element of the power converter to the first and second output circuits; and
trigger an increase in the supply of power in response to a level of the second voltage falling below a threshold level.

US Pat. No. 10,141,739

SYSTEM FOR DISTRIBUTING DC POWER TO AND CONTROLLING BUILDING DEVICES

The Watt Stopper, Inc., ...

1. A system for controlling and distributing DC power comprising:a power hub comprising
a hub controller;
a power converter adapted to convert AC power to DC power;
one or more variable voltage regulators operatively connected to the power converter and controlled by the hub controller, the one or more variable voltage regulators are operable to provide regulated DC power to one or more primary loads and to receive and transmit data and control signals from and to the one or more primary loads;
one or more communication interfaces operatively connected to the hub controller to transmit and receive data and control signals over a network;
one or more primary loads, each primary load having a load control module, the load control module comprising:
a load controller operatively connected to the hub controller to receive and transmit data and control signals to the hub controller;
a plurality of output ports operatively connected to the load controller, the plurality of output ports adapted to provide DC power to secondary loads and to transmit and receive data and control signals to and from the load controller;
a load driver adapted to distribute DC power to the secondary loads, the load driver operatively connected to and under control of the load controller.

US Pat. No. 10,141,738

DC POWERED LOCAL POSITIONING SYSTEM

Innov8tive, LLC, Oklahom...

1. An apparatus comprising a location circuit powered by a power module, the location circuit and power module mounted on a circuit board within a housing, the power module connected to a remote direct current (DC) source and a local DC source, the remote DC source connected to a network host via a wired connection extending between a wired port and the network host, the network host physically separated from the circuit board and housing.

US Pat. No. 10,141,737

MOBILE POWER PACKS, POWER CONTROL METHODS AND ELECTRICAL CONNECTION DEVICES

SHENZHEN CARKU TECHNOLOGY...

1. A mobile power pack having a first power source, a second power source and a power control circuit, wherein the power control circuit comprises:a voltage detecting module configured to detect a voltage of an external power source and generate a voltage detection signal indicative of the voltage of the external power source;
a control module configured to receive the voltage detection signal and generate a coupling control signal according to the voltage detection signal; and
a coupling module configured to operably couple the first power source with the second power source, receive the coupling control signal, and in response to the coupling control signal, change the way the first power source and the second power source are coupled so that the first power source and second power source output electric energy under different output voltages.

US Pat. No. 10,141,736

METHOD FOR IDENTIFYING TYPE OF FAULT ON POWER LINE

ABB Research Ltd., Zuric...

1. A method for identifying a fault that occurred on parallel double-circuit power lines on a same tower transmitting power, comprising:calculating a first fault point voltage of a first fault point on a first fault phase of a first circuit multiphase power line of the parallel double-circuit power lines using a first terminal voltage;
calculating a second fault point voltage of a second fault point on a second phase of a second circuit multiphase power line of the parallel double-circuit power lines using a second terminal voltage;
calculating a voltage difference between the first fault point voltage and the second fault point voltage, wherein one of the first fault phase and the second fault phase are in a non-open configuration;
adopting the first fault point voltage corresponding to a maximum transition resistance as a setting value;
first comparing the first fault point voltage with the setting value;
identifying the fault includes a permanent ground type or a transient ground type based on a result of the first comparison;
second comparing the calculated voltage difference with a fault-type-dependent voltage threshold value;
identifying the fault includes a permanent inter-phase type if the voltage difference is less than a voltage difference threshold value or a transient inter-phase type if the magnitude of the voltage difference is greater than the voltage threshold value;
in response to the identifying the fault includes the transient ground type fault, sending commands that reclose fault phase breakers according to the transient inter-phase type fault; and
wherein the steps are performed by one or more digital processors.

US Pat. No. 10,141,735

POWER CONVERSION CIRCUIT WITH INDICATOR COUPLED TO INPUT TERMINAL TO SIGNAL CONDITION OF THE CONTROLLER

SEMICONDUCTOR COMPONENTS ...

1. A power conversion circuit for converting an input voltage received from a power source to a regulated output voltage, comprising: a controller comprising; a brownout terminal; a first circuit having an input coupled to the brownout terminal, and the first circuit configured to sense a voltage on the brownout terminal while refraining from driving an alarm current to the brownout terminal; assert an internal signal if the voltage sensed on the brownout terminal during the refraining falls outside a predetermined range; and drive the alarm current to the brownout terminal responsive to the assertion of the internal signal; an external indicator coupled to the brownout terminal of the controller, the external indicator being at least one selected form a group comprising; a light emitting diode; and a buzzer configured to produce sound audible to a human.

US Pat. No. 10,141,734

ELECTRICAL SAFETY DEVICE MISWIRE DETECTION

SEMICONDUCTOR COMPONENTS ...

16. A method for detecting a miswiring of a line connection pair and a load connection pair of an electrical safety device, the method comprising:configuring a control circuit to circumvent at least a portion of an electrical current carried over one of a live current path and a neutral current path through the electrical safety device, the live current path connecting a line live connection of the line connection pair with a load live connection of the load connection pair, and the neutral current path connecting a line neutral connection of the line connection pair with a load neutral connection of the load connection pair wherein the line live connection and the line neutral connection are configured to be coupled to receive an a.c. signal;
configuring the control circuit to determine, while circumventing the at least a portion of the electrical current, a differential current defined by a difference between the electrical current carried over the live current path and the electrical current carried over the neutral current path;
configuring the control circuit to interrupt at least one of the live current path and the neutral current path in response to the differential current not exceeding a threshold value;
configuring the control circuit to determine a polarity of the differential current in response to the differential current exceeding the threshold value; and
configuring the control circuit to interrupt the at least one of the live current path and the neutral current path in response to the polarity of the differential current being opposite to a polarity of the a.c. signal.

US Pat. No. 10,141,733

VARIABLE FREQUENCY DRIVE OVERVOLTAGE PROTECTION

Trane International Inc.,...

1. A method comprising:operating a variable frequency motor drive including an AC/DC converter electrically coupled with an AC power source, a DC link electrically coupled with the AC/DC converter, and a DC/AC converter electrically coupled with the DC link;
receiving information indicative of a voltage of the DC link at a microprocessor-based controller;
processing the received information to model a condition of at least one power electronics component of the variable frequency motor drive; and
disconnecting the AC/DC converter from the AC power source if the modeled condition meets a protection criterion;
wherein the disconnecting comprises performing a shunt trip operation performed in response to an evaluation of a DC bus voltage relative to a threshold, the shunt trip operation occurring without occurrence of an overcurrent condition.

US Pat. No. 10,141,732

APPARATUS FOR SWITCHING IN A DC VOLTAGE GRID

Siemens Aktiengesellschaf...

1. An apparatus for switching in a DC voltage grid, the apparatus comprising:a switching device for interrupting a flow of current in at least a first line of the DC voltage grid;
said switching device having a first connection and a second connection for inserting said switching device into the first line of the DC voltage grid;
a damping member for energy absorption of a terminal voltage, said damping member having:
a first node, a second node, and a damping element electrically connecting said first and second nodes to one another, said damping element including a varistor;
a first controlled or uncontrolled switching element directly connected to said first node and directly connected to said first connection; and
a second controlled or uncontrolled switching element directly connected to said first node and directly connected to said second connection;
said second node being connected to a second line of the DC voltage grid.

US Pat. No. 10,141,731

MULTI LEVEL CABLE BUS SYSTEM WITH MODULAR CABLE TRAYS

1. A subterranean power distribution system, including:a cable bus system comprising:
a longitudinally extending raceway comprising:
at least two levels of longitudinally extending cable trays, each cable tray including:
a pair of generally parallel longitudinally extending side beams, and
a plurality of laterally extending cross supports, the cross supports spanning between each said side beam and defining a cable support surface,
at least one electrical cable array disposed in an interior of said raceway and associated with a corresponding one of said cable trays, each said cable array comprising a plurality of insulated high amperature electrical cables disposed in a generally longitudinally parallel spaced operable position in supporting contact against the upper support surfaces of the cross supports of the associated said cable tray,
at least one clamping member for securing associated said cables to an associated cross support substantially against movement from said operable position in said raceway; and
a below ground cable bus enclosure, the cable bus enclosure having a top, a bottom and opposing sidewalls defining a longitudinally extending enclosure cavity sized to receive the raceway therein whilst allowing substantially free air flow longitudinally relative to said raceway, a ventilation assembly for facilitating air flow into or from said enclosure cavity, said ventilation assembly including,
an air vent shaft extending generally vertically from a lower end to an upper end portion, the air vent shaft further comprising at least one opening fluidically communicating with said enclosure cavity and permitting air flow from said enclosure cavity into said air vent shaft,the raceway being at least partially supported by the enclosure bottom and disposed at least partially within and extending along a length of said enclosure cavity.

US Pat. No. 10,141,730

IN-GROUND ENCLOSURE SYSTEM

BOBSBOX, LLC., Port St. ...

1. An in-ground enclosure for housing electrical components, comprising:an outer shell;
a first compartment located within the outer shell;
a second compartment located within the outer shell;
an upper panel comprising a first compartment opening for accessing the first compartment and a second compartment opening for accessing the second compartment;
a dividing wall separating the first compartment from the second compartment;
a first compartment cover adapted for removably sealing the first compartment opening; and
a second compartment cover adapted for removably sealing the second compartment opening;
wherein sidewalls of the in-ground enclosure comprise an inner sidewall and an outer sidewall separated by a sidewall gap,
wherein the sidewall gap is filled with a heat transfer particle, and
wherein a bulk density of the heat transfer particle in the sidewall gap is at least 75% of a density of the heat transfer particle.

US Pat. No. 10,141,729

SELF SECURING CABLE JACKET—CABLE BULK WIRE WITH JACKET INCORPORATED ROUTING RETENTION FEATURES

International Business Ma...

1. A cable, comprising:one or more filaments; and
a cable jacket surrounding the one or more filaments, the cable jacket having a routing retention feature integrally formed therewith;
wherein the routing retention feature includes a C-shaped clip extending from the cable jacket and formed about a center; and
wherein the C-shaped clip spans between about 220 degrees and about 260 degrees circumferentially about the center of the C-shaped clip.

US Pat. No. 10,141,728

VERTICAL CABLE MANAGER WITH SLAM-SHUT DOOR

Panduit Corp., Tinley Pa...

1. A vertical cable manager, comprising:a base frame comprising a backbone, first and second upper support legs attached to a first end of the backbone, first and second lower support legs attached to a second end of the backbone, opposite the first end, an upper crossbar attached between the first and second upper support legs, and a lower crossbar attached between the first and second lower support legs; and
a door comprising a door panel and hinge pin assemblies secured to the door panel and positioned at respective corners of the door panel, each hinge pin assembly including a retractable hinge pin; wherein
the upper and lower crossbars each comprise first and second hinge rod receptacles to receive respective hinge pins and first and second elastic latch members;
the elastic latch members each comprise a base portion that connects to the crossbar, a flexible arm extending from the base portion, and a catch portion extending from the flexible arm and disposed at a distal end of the flexible arm, opposite the base portion; and
the catch portions secure the respective hinge pins in the respective hinge rod receptacles with the door in a closed position and are deflectable through elastic deformation of the flexible arm to allow travel of the hinge pins through the hinge rod receptacles and past the catch portions when the door is moved from an open to a closed position.

US Pat. No. 10,141,727

WIRE HARNESS WITH FIXING MEMBER

Sumitomo Wiring Systems, ...

1. A wire harness, comprising:a pipe into which electrical wires are to be inserted, the pipe having an outer surface that is smooth for at least a portion of the pipe in an axial direction;
an exterior member that has a bellows portion and surrounds the pipe at the portion of the pipe with the smooth outer surface, the bellows portion having mountain portions and valley portions successively formed in an alternating manner in the axial direction; and
a fixing member that has a locking portion and a mounting portion, is attached to the exterior member at the portion of the pipe with the smooth outer surface, and the mounting portion is configured to be fixed to a fixing portion located on a vehicle body via a bracket, the locking portion being locked to the bellow portion.

US Pat. No. 10,141,726

MULTIPLE SOURCE GROUNDING FACILITATION SYSTEM

1. A multiple source grounding system comprising:a frame, said frame having a base and a panel, said panel being coupled to and extending upwardly from said base;
a primary grounding cable having a first end electrically coupled to said frame, said primary grounding cable having a second end, said second end of said primary grounding cable being free wherein said second end of said primary grounding cable is configured for being grounded to earth; and
a plurality of secondary grounding cables, each secondary grounding cable having a primary end electrically coupled to said frame wherein each secondary grounding cable is electrically coupled to said primary grounding cable, each secondary grounding cable having a distal end relative to said frame, each said distal end being configured for coupling to a respective source wherein each said source is grounded through said frame; and
a plurality of slots extending laterally into said base wherein said base is configured to facilitate lifting of said frame.

US Pat. No. 10,141,725

ARC FAULT RESISTANT ELECTRIC EQUIPMENT

1. An electric device comprising:a plurality of conductive elements positioned within a housing of the electric device, wherein in an event of an electric arc occurring between the plurality of conductive elements an electromagnetic force is exerted upon plasma of the electric arc such that the electric arc is directed towards a wall of the housing,
wherein each conductive element comprises an electrode at a first end, the electric arc ignited between the electrodes of the conductive elements, and
further comprising a plurality of sacrificial electrodes positioned within the housing,
wherein the plurality of sacrificial electrodes are arranged opposite the electrodes of each conductive element and in proximity to the wall of the housing.

US Pat. No. 10,141,724

APPARATUS OF SLIDING SUBMODULE

LSIS CO., LTD., Anyang-s...

1. An apparatus of sliding a submodule, comprising:a sliding rail part installed on one side of a cabinet;
a submodule capable of being entered into or withdrawn from the cabinet; and
a sliding guide part installed on one side of the submodule and slidingly moved by the sliding rail part,wherein the sliding rail part comprises a rail body, first and second extending parts extending from opposite ends of the rail body, and first and second sliding rails connected to the first and second extending parts, respectively and protruding toward the sliding guide part.

US Pat. No. 10,141,723

LOADCENTERS WITH IMPROVED BACKPAN TO BACK WALL ASSEMBLY FASTENERS ALLOWING ONE DIRECTION ASSEMBLY AND RELATED ENCLOSURES AND METHODS

Eaton Intelligent Power L...

1. A loadcenter comprising:an enclosure having an interior compartment and a back wall, wherein the back wall comprises at least one lance that projects inwardly toward a front of the enclosure, wherein the at least one lance comprises an aperture; and
a back pan assembly in the interior compartment, wherein the back pan assembly comprises at least one latch, the at least one latch comprises a rearwardly extending leg, wherein, the leg extends through the aperture of an aligned one of the at least one lance to attach the back pan assembly to the back wall.

US Pat. No. 10,141,721

LIGHT-EMITTING ELEMENT AND MANUFACTURING METHOD THEREOF

SONY CORPORATION, Tokyo ...

1. A method of manufacturing a light-emitting element, the method comprising:forming a selective growth mask layer on a GaN substrate, wherein the selective growth mask layer comprises a first light reflecting layer;
selectively growing a first compound semiconductor layer from a surface of the GaN substrate not covered with the selective growth mask layer, and covering the GaN substrate and the selective growth mask layer with the first compound semiconductor layer;
forming an active layer on the first compound semiconductor layer;
forming a second compound semiconductor layer on the active layer;
forming an electrode on the second compound semiconductor layer; and
forming a second light reflecting layer on the electrode, wherein
an off angle of plane orientation of the surface of the GaN substrate is 0.4 degrees or less,
an area of the selective growth mask layer is 0.8S0 or less, where S0 represents an area of the GaN substrate, and
a thermal expansion relaxation film is on the GaN substrate as a bottom layer of the selective growth mask layer.

US Pat. No. 10,141,720

NITRIDE SEMICONDUCTOR LASER ELEMENT

PANASONIC CORPORATION, O...

1. A nitride semiconductor laser element comprising:an n-type clad layer made of a nitride semiconductor;
a p-type clad layer made of a nitride semiconductor;
an active layer provided between the n-type clad layer and the p-type clad layer;
an n-side light guide layer that is provided between the n-type clad layer and the active layer and is made of a nitride semiconductor having a bandgap energy smaller than that of the n-type clad layer but larger than that of the active layer.
a p-side light guide layer that is provided between the p-type clad layer and the active layer and is made of a nitride semiconductor having a bandgap energy smaller than that of the p-type clad layer but larger than that of the active layer; and
an electron barrier layer that is provided between the p-side light guide layer and the p-type clad layer and is made of a nitride semiconductor having a bandgap energy larger than that of the p-type clad layer, wherein:
the p-side light guide layer is made of AlxGa1?xN containing no Indium, where 0?x<1, and
a film thickness dn of the n-side light guide layer and a film thickness dp of the p-side light guide layer satisfy relationships dp?0.25 ?m and dn?dp.

US Pat. No. 10,141,719

RESONANT CAVITY STRAINED GROUP III-V PHOTODETECTOR AND LED ON SILICON SUBSTRATE AND METHOD TO FABRICATE SAME

International Business Ma...

1. A structure comprising an optoelectronic device, comprising:a substrate that comprises a Group IV semiconductor material;
a buffer layer disposed on the substrate;
a first distributed Bragg reflector (DBR) disposed on the buffer layer, the first DBR comprised of alternating layers of doped Group IV materials that are substantially transparent to a wavelength of interest;
a strained layer disposed over the first DBR, the strained layer being comprised of a Group III-V material; and
a second DBR disposed over the strained layer, the second DBR comprised of alternating layers of electrically conductive oxides that are substantially transparent to the wavelength of interest;
where the wavelength of interest is in a wavelength range of about 1.3 ?m to about 1.65 ?m, where the strained layer comprised of a Group III-V material is comprised of a strained In0.53Ga0.47As light emitting layer at the wavelength of interest having a thickness in a range of about 2 nm to about 5 nm.

US Pat. No. 10,141,718

DUAL-FREQUENCY VERTICAL-EXTERNAL-CAVITY SURFACE-EMITTING LASER DEVICE FOR THZ GENERATION AND METHOD FOR GENERATING THZ

UNIVERSITE DE MONTPELLIER...

1. A laser device for generating an optical wave comprising at least two frequencies, the laser device comprising:a first element comprising a gain region located between one first end defined by a first mirror and a second end defined by an exit region;
a second mirror, distinct from the first element, and arranged so as to form with the first mirror an optical cavity including the gain region and a gap between the exit region and the second mirror;
means for pumping the gain region so as to generate the optical wave;
means for shaping the light intensity of the optical wave arranged for selecting at least two transverse modes of the optical wave, said means for shaping the light intensity comprise at least one mask, each mask being patterned with a surface having a non-uniform absorbance, said surface including at least one absorbing area and/or at least one transmitting area; and
means for shaping a longitudinal and/or transversal phase profile of the optical wave and arranged for adjusting at least two transverse modes of the optical wave, said means for shaping the phase profile comprise at least one photonic crystal and/or diffraction grating located at least one end of the gain region and patterned to shape the transverse phase and/or the transverse intensity of the optical wave.

US Pat. No. 10,141,715

APPARATUS FOR DAMPING AND MONITORING EMISSIONS FROM LIGHT EMITTING DEVICES

Finisar Corporation, Sun...

10. An apparatus, comprising:a substrate that is at least partially transparent, including a glass material;
a plurality of light emitting devices, including vertical cavity surface emitting lasers (VCSELs), each light emitting device of the plurality of light emitting devices is adapted to generate light emission;
a plurality of damping layers, including amorphous silicon, each damping layer of the plurality of damping layers being associated with a respective light emitting device of the plurality of light emitting devices,
wherein each damping layer of the plurality of damping layers is arranged in propagation direction of the light emission of its associated light emitting device of the plurality of light emitting devices,
wherein each damping layer of the plurality of damping layers is adapted to decrease a power level of the light emission of its associated light emitting device of the plurality of light emitting devices by absorption, to a desired level,
wherein at least a part of each damping layer of the plurality of damping layers is deposited on a surface of the substrate,
wherein each damping layer of the plurality of damping layers is photosensitive to the light emission of its associated light emitting device of the plurality of light emitting devices, and
wherein the damping layers of the plurality of damping layers are isolated from each other; and
a plurality of pairs of electrodes, each pair of electrodes of the plurality of pairs of electrodes is associated with a respective damping layer of the plurality of damping layers and is associated with the light emitting device of the plurality of light emitting devices which is associated with the respective damping layer,
wherein each electrode of each pair of electrodes of the plurality of pairs of electrodes is in direct contact with the damping layer of the plurality of damping layers which is associated with the respective pair of electrodes,
wherein each pair of electrodes of the plurality of pairs of electrodes is adapted to output an electric signal corresponding to the power level of the light emission of its associated light emitting device of the plurality of light emitting devices,
wherein a first electrode of each pair of electrodes of the plurality of pairs of electrodes includes a layer arranged between a first portion of its associated damping layer of the plurality of damping layers and the substrate, and
wherein a second electrode of each pair of electrodes of the plurality of pairs of electrodes includes a layer arranged between a second portion of its associated damping layer of the plurality of damping layers and the substrate.

US Pat. No. 10,141,714

METHOD FOR MANUFACTURING GALLIUM AND NITROGEN BEARING LASER DEVICES WITH IMPROVED USAGE OF SUBSTRATE MATERIAL

Soraa Laser Diode, Inc., ...

1. A plurality of dies, comprising:a gallium and nitrogen containing substrate having a surface region;
an epitaxial material formed overlying the surface region, the epitaxial material comprising an n-type cladding region, an active region comprising at least one active layer overlying the n-type cladding region, and a p-type cladding region overlying the active region, wherein the epitaxial material is patterned to form the plurality of dies on the surface region, the dies corresponding to a laser device, wherein each of the plurality of dies comprises:
a release region composed of a material with a smaller bandgap than an adjacent epitaxial material, wherein a lateral width of the release region is narrower than a lateral width of immediately adjacent layers above and below the release region to form undercut regions bounding each side of the release region; and
a passivation region extending along sidewalls of the active region.

US Pat. No. 10,141,713

DEVICE AND METHOD FOR PERFORMING OVERALL FREQUENCY STABILIZATION OF FEMTOSECOND LASER OPTICAL COMB BY USING OPTICAL MODES DIRECTLY EXTRACTED FROM OPTICAL COMB

Korea Advanced Institute ...

1. A device for performing overall frequency stabilization of a femtosecond laser optical comb by using optical modes directly extracted from the optical comb, comprising:a femtosecond laser light source including a length adjusting element and one of a pumping laser and an acousto-optic modulator and outputting the femtosecond laser optical comb;
an optical mode extracting unit extracting a first optical mode and a second optical mode having different frequencies from the femtosecond laser optical comb;
an injection locking unit injecting the first optical mode to a first slave laser to generate a first cw light and injecting the second optical mode to a second slave laser to generate a second cw light; and
a controlling unit including a high-finesse cavity, generating a first optical comb control signal based on the first cw light and a resonance frequency of the high-finesse cavity to control the length adjusting element, and generating a second optical comb control signal based on the second cw light and a resonance frequency of the high-finesse cavity to control the pumping laser or the acousto-optic modulator included in the femtosecond laser light source.

US Pat. No. 10,141,712

METHOD FOR ADJUSTING CAVITY LENGTH OF AN OPTICAL CAVITY

Stable Laser Systems, Inc...

1. A method for adjusting a cavity length of an optical cavity, comprising:measuring a first absolute frequency corresponding to a cavity mode of the optical cavity, the optical cavity having (i) a first mirror having a first mirror surface, (ii) a second mirror having a second mirror surface, and (iii) a resonator body interposed between the first and second mirror surfaces, the first and second mirror surfaces being separated by a first cavity length;
determining a length difference between a target cavity length and the first cavity length, the target cavity length corresponding to a plurality of resonance frequencies that includes a target absolute optical frequency, the length difference being a function of the first absolute frequency, the target absolute optical frequency, the first cavity length, and a predetermined free-space wavelength;
removing the first mirror to expose a first end of the resonator body;
depositing, on one of the first end and the first mirror, a spacer having a thickness within a length tolerance of the determined length difference; and
reversibly securing the first mirror to the resonator body, such that (a) the spacer is between the first mirror and the resonator body, and (b) opposing surfaces of the first and second mirrors are separated by an adjusted cavity length that is within the length tolerance of the target cavity length.

US Pat. No. 10,141,711

PLASMA CONFINEMENT OF A LASER GAIN MEDIA FOR GAIN-AMPLIFIED LASERS

The Boeing Company, Chic...

1. An apparatus comprising:a plasma confinement device configured to generate a plasma pinch of at least one gas comprising a laser gain media; and
a laser configured to transmit coherent light through the plasma pinch to amplify the coherent light utilizing the laser gain media compressed within the plasma pinch.

US Pat. No. 10,141,710

RING-RESONATOR-BASED LASER WITH MULTIPLE WAVELENGTHS

Oracle International Corp...

1. An optical source, comprising:semiconductor optical amplifiers defined in a semiconductor other than silicon and having first edges and second edges, wherein the first edges are optically coupled to reflective elements, and wherein, during operation, the semiconductor optical amplifiers provide optical signals having different carrier wavelengths at the second edges; and
a photonic chip optically coupled to the semiconductor optical amplifiers, wherein the photonic chip includes:
first optical waveguides having third edges and fourth edges, wherein the third edges are optically coupled to corresponding second edges of the semiconductor optical amplifiers and, during operation, the first optical waveguides convey the optical signals;
ring resonators, optically coupled to the first optical waveguides between the third edges and the fourth edges, that, during operation, selectively pass corresponding optical signals having the carrier wavelengths, wherein the ring resonators and the reflective elements define optical cavities, and wherein the ring resonators have different radii with associated resonance wavelengths corresponding to the carrier wavelengths;
a shared optical waveguide having a fifth edge and a sixth edge, wherein the shared optical waveguide is optically coupled to the ring resonators between the fifth edge and the sixth edge and, during operation, the shared optical waveguide conveys an optical signal having the carrier wavelengths; and
a shared ring resonator, optically coupled to the shared optical waveguide, that, during operation, selectively passes the optical signal, wherein the shared ring resonator has a different radius than the radii of the ring resonators with an associated resonance wavelength, and
wherein one of a free-spectral range of the shared ring resonator and a multiple of the free-spectral range defines a spacing between the carrier wavelengths in the optical signal.

US Pat. No. 10,141,709

TRANSIENT BRAGG GRATINGS IN OPTICAL WAVEGUIDES AND THEIR APPLICATIONS

B. G. Negev Technologies ...

1. An ultra-short pulse generator comprising an optical setup for forming a transient Bragg grating in an optical waveguide used as an ultra-fast light modulator in an optical waveguide, the optical setup comprising:a) an ultra-fast laser configured to emits high intensity ultra-fast pulses;
b) a cylindrical lens configured to form radiation emitted by the laser into a line that is focused on the optical waveguide; and
c) a phase mask located between the aperture and the optical waveguide;
wherein, diffraction patterns created by the phase mask for each pulse interfere to create refractive index changes at high intensity points along the waveguide at a spatial period determined by the phase mask, the wavelength, and the specific material of the waveguide, such that said refractive index changes are reversed when the radiation ceases to be focused on the waveguide, thereby forming a transient Bragg grating;
wherein, continuous wave (CW) laser radiation is injected into the optical waveguide via a circulator or a beam splitter and wherein for each pulse of the laser of the optical setup a transient Bragg grating is formed in the waveguide reflecting the CW laser radiation back to the circulator or beam splitter which outputs a signal comprised of ultra-short laser pulses whose central wavelength is the same as that of the CW laser.

US Pat. No. 10,141,708

FIBER LASER APPARATUS AND METHOD OF ALIGNING LASER LIGHT IRRADIATION POSITION

Furukawa Electric Co., Lt...

1. A fiber laser apparatus that generates invisible laser light using an amplification optical fiber having a single-mode core and outputs the invisible laser light via an output optical fiber, the fiber laser apparatus comprising:a visible laser light source that generates visible laser light;
an introducing section that introduces the visible laser light generated by the visible laser light source into a core of one of the amplification optical fiber and the output optical fiber; and
a drive unit that drives, in a case of performing alignment of an irradiation position of the invisible laser light with respect to a workpiece, the visible laser light source and emits the visible laser light via the core of the output optical fiber,
wherein the introducing section introduces the visible laser light generated by the visible laser light source into the core of one of the amplification optical fiber and the output optical fiber, and attenuates return light that propagates through the core in a reverse direction while generating the invisible laser light, the return light being incident on the visible laser light source.

US Pat. No. 10,141,707

LIGHT TRAP FOR HIGH POWER FIBER LASER CONNECTOR

NLIGHT, Inc., Vancouver,...

1. A system, comprising:a fiber connector including a metal housing, the metal housing including a first section to terminate a fiber generating a laser beam and a second different section to encase at least a portion of the fiber;
a chamber extending internally along a length of the second section of the metal housing; and
a light trap including plurality of threads formed along a wall of the chamber to trap light reflected back to the fiber connector in response to an application of the laser beam to a workpiece.

US Pat. No. 10,141,706

DISTRIBUTED LASER POWER ARCHITECTURE FOR LASER DIODE ARRAYS

nLIGHT, Inc., Vancouver,...

1. A laser diode driver, comprising:a switching power supply;
a sense resistor coupled to the switching power supply and to a first output of the laser diode driver; and
a voltage controller coupled to a second output of the laser diode driver, wherein the first output and the second output of the laser diode driver are coupled to provide a laser diode array drive current such that the sense resistor is in series with the first output and the second output of the laser diode driver and a laser diode array that receives the laser diode array drive current.

US Pat. No. 10,141,705

HIGH OUTPUT MAXIMUM EFFICIENCY RESONATOR

The United States of Amer...

1. A laser system consisting essentially of the following components:a laser head comprising a diode-side-pumped ND:YAG slab laser configured as a zig-zag slab gain medium, the laser head configured to produce a laser beam along an optical path;
a Q-switch aligned along the optical path and configured to pulse a laser beam produced by the laser head;
a ¼ wave-plate aligned along the optical path and configured to polarize a pulsed laser beam formed by the Q-switch;
a graded reflectivity mirror aligned along the optical path and configured to partially reflect and partially transmit a polarized, pulsed laser beam produced by the ¼ wave-plate, and to form a reflected laser beam along a reflected optical path;
a cylindrical lens aligned along the reflected optical path and configured to focus a reflected laser beam; and
a high reflectivity mirror aligned along the reflected optical path and configured to reflect a focused reflected laser beam produced by the cylindrical lens.

US Pat. No. 10,141,704

CONNECTOR RELEASE TOOL

OSRAM SYLVANIA Inc., Wil...

1. A connector release tool (100) comprising:a shaft (102) having a proximal end (104) and an operative distal end (108), said proximal end (104) defining a handle portion (106), and said operative distal end (108) adapted to engage a terminal block (20) and allow removal of one or more wires (24) coupled to said terminal block (20), said distal end (108) comprising:
a shroud portion (110) having sidewalls (112), said sidewalls (112) extending away from said distal end (108) and terminating at a datum surface (114), and said sidewalls (112) further defining a channel (116) therebetween; and
a plurality of contact pins (118) extending away from said distal end (108) and into said channel (116) of said shroud portion (110), each contact pin (118) defining a tip portion (120) positioned within said channel (116) and a distance (D1) from said datum surface (114) of said sidewalls (112), and each contact pin (118) further adapted to contact an associated push-button connector (26) of said terminal block (20).

US Pat. No. 10,141,703

CONNECTOR MODULE HAVING INSULATED METAL FRAME

International Business Ma...

1. An electrically insulated connector module comprising:a socket, wherein the socket accepts a connector;
a plastic housing supporting the socket;
a set of external pins providing a set of electrical connections from a printed circuit board within the plastic housing;
a metal frame surrounding the plastic housing, the socket, and one end of the set of external pins; and
an insulated jacket, the insulated jacket adhered to a bottom of the metal frame, a lower portion of a front of the metal frame, a lower portion of a first side of the metal frame, a lower portion of a second side of the metal frame, and a lower portion of a back of the metal frame, wherein the insulated jacket comprises a first opening corresponding to a grounding pin of the metal frame, and a second set of openings corresponding to the set of external pins.

US Pat. No. 10,141,702

DISCHARGE DEVICE

1. A discharge device for discharging electrostatic charges from a shaft comprising a flexurally elastic conductor having a carbon fiber arrangement comprising at least two conductor portions , which are arranged on a holder , extend transversely to a longitudinal axis of the shaft and are insulated from the holder and which can be connected to a ground conductor via their portion ends , which are accommodated in the holder, each of the conductor portions having a shaft contact portion , and the shaft contact portions together forming a contact arrangement for making contact with two circumferential contact regions of a shaft circumference arranged opposite each other in a shaft contact plane W, in such a manner that the shaft contact portions are arranged tangentially to the shaft circumference when making contact with the shaft circumference, a tangential contact is upheld when enlarging the shaft circumference and merely circumferential contact areas of the shaft arranged on the shaft circumference are displaced.

US Pat. No. 10,141,701

LAMP SOCKET ADAPTER

TANGHE YAOHAO ELECTRONICS...

1. A lamp socket adapter, comprising:a main body;
a sleeve disposed outside of the main body; and
a center electrode disposed at a rear end of the main body;
wherein a front end of the main body is provided with an insulating plug, the insulating plug has a through hole, the through hole is in air communication with a cavity of the main body, a first electrode sheet and a second electrode sheet each having a front end disposed in the through hole are arranged in the cavity, a rear end of the first electrode sheet is electrically connected to the center electrode, and a rear end of the second electrode sheet is electrically connected to the sleeve; and
wherein the front end of the main body has a recessed groove which is recessed toward the cavity, the insulating plug is arranged in the recessed groove, and an annular groove capable of accommodating a receptacle is formed between a periphery of the insulating plug and an inner wall of the recessed groove.

US Pat. No. 10,141,700

INTEGRATED MODULAR MULTIMEDIA SYSTEM IN WALL-BOX FORMAT

Hubbell Incorporated, Sh...

1. An electrical module comprising:a housing adapted for installation on a flat surface, and having an external portion relative to the surface and an internal portion relative to the surface, the external portion comprising a wall face and the internal portion comprising at least a rear or side face;
AC power terminals for receiving AC power conductors;
means for converting input AC power to output DC power;
an electrical isolation barrier installed in the housing for isolating AC power from DC power;
at least one AC plug receptacle on the wall face, and at least one DC power output connector on the rear or side face of the housing.

US Pat. No. 10,141,699

INTEGRATED AUDIO JACK HOUSING

Microsoft Technology Lice...

1. An integrated audio jack housing assembly comprising:a chassis including a surrounding frame and an inner support surface, the chassis having at least a portion thereof comprising plastic and having an opening in the portion of the surrounding frame comprising plastic, wherein an internal surface of the chassis around the opening comprises alignment features; and
an audio jack housing abutting the internal surface of the chassis around the opening without protruding into an interior surface of the opening;
wherein the alignment features include a chamfered surface extending from an interior edge of the opening facing the audio jack housing.

US Pat. No. 10,141,698

HIGH SPEED COMMUNICATION JACK

Sentinel Connector System...

16. A circuit board for a high speed communication jack including:a first layer,
a second layer of a dielectric material on a side of the first layer,
a third layer on a side of the second layer opposite the first layer and having a grounding plane made from a conductive material;
a fourth layer on a side of the third layer opposite the second layer and made of a dielectric material;
a fifth layer on a side of the fourth layer opposite the third layer and having a grounding plane made of a conductive material;
a sixth layer formed on a side of the fifth layer opposite the fourth layer and made of a dielectric material;
a seventh layer formed on a side of the sixth layer opposite the fifth layer and having a grounding plane made of a conductive material; and
a plurality of vias extending through the first, second, third, fourth, fifth sixth and seventh layers, with each via being configured to accommodate a pin on the housing,
wherein the third layer includes a plurality of traces extending from each via, a capacitor is formed around a periphery of each respective via by the combination of one of the plurality of traces on the first layer, the second layer and the third layer and the depth of the second layer is adjusted such that the capacitor in each respective via has a value of between approximately 0.1 pf and approximately 0.5 pf.

US Pat. No. 10,141,696

ELECTRICAL CONNECTOR

1. An electrical connector, comprising:an insulated seat provided with a base seat and at least one connection plate, which projects beyond a front end of the base seat;
a metal housing covering the insulated seat, wherein top and bottom surfaces of the base seat and one surface of the at least one connection plate rest against the metal housing, a fitting slot is formed within the metal housing, the other surface of the connection plate is a connection surface, the connection plate is provided with an elastic movement slot depressed from the connection surface, and the connection surface faces the fitting slot; and
at least one row of terminals, wherein the terminal is provided with a pin, a fixing portion and an extension, the fixing portion is fixed to the insulated seat, the extension is connected to a front end of the fixing portion, vertically elastically movable in the elastic movement slot and provided with a contact projecting beyond the connection surface of the connection plate, and the pin is connected to a rear end of the fixing portion and extends out of the insulated seat;
characterized in that the insulated seat is provided with a resting portion, the extension disposed on an inner end of each of the contacts of the at least one row of terminals is provided with a fulcrum resting against the resting portion, the extension disposed on an outer end of the fulcrum does not rest against the resting portion, so that an elastically movable arm of force of the extension has a middle section fulcrum structure, when the contact is pressed to move toward the connection surface elastically, the extension reversely disposed on an inner end of the fulcrum moves elastically, and an action of the fulcrum makes the contact have a larger normal force.

US Pat. No. 10,141,695

ARC-FREE PLUG CONNECTOR

COMMSCOPE TECHNOLOGIES LL...

1. An electrical connection device comprising:a housing;
a first contact end;
a second contact end;
a first connector connectable to the first contact end;
a second connector connected to the second contact end;
wherein the housing covers at least a portion of each of the first contact end, the second contact end, the first connector and the second connector;
an electrical disconnection switch between the first contact end and the first connector which connects the first contact end and the first connector in a first state, and disconnects the first contact end and the first connector in a second state; and
a movable conduction engagement device positioned exteriorly to the housing and moveable relative to the housing which changes the electrical disconnection switch from the first and second states, wherein a magnetic element moves free ends of the first contact end and the first connector of the electrical disconnection switch into electrical contact in the first state, wherein the free ends are held by the magnetic element in electrical contact in the first state, and wherein the free ends are allowed to separate when the movable conduction engagement device is moved so as to move the magnetic element a distance away from the free ends in the second state.

US Pat. No. 10,141,694

USER AUTHENTICATING ELECTRICAL OUTLET OR CONNECTOR, POWER MEDIATING MODULE, AND POWER CONSUMING DEVICE

GEO-LINE CO., LTD., Ansa...

1. A user authentication electrical outlet or connector which allows a main power to be supplied from a main power supply to a power demanding side when a power demanding device is authenticated through a user authentication process, the electrical outlet or connector comprising:a microcurrent limiting device configured to allow a microcurrent to flow from the electrical outlet or connector to the power demanding side; and
an authentication device operated with an authentication power and configured to perform the user authentication process;
wherein the microcurrent limiting device is a passive element and it is not until the power demanding device is connected to the electrical outlet or connector that a closed loop is formed for the microcurrent to flow through the microcurrent limiting device so that the microcurrent is supplied to the power demanding side, and,
wherein the authentication power is generated by the power demanding side from the microcurrent supplied to the power demanding side and is supplied from the power demanding side to the electrical outlet or connector.

US Pat. No. 10,141,693

ELECTRICAL CONNECTOR WITH MIDDLE SHIELDING PLATE CONTACTING UPPER AND LOWER CONTACTS

FOXCONN INTERCONNECT TECH...

1. An electrical connector comprising:an insulative housing comprising an upper contact module and a lower contact module;
a row of upper contacts retained in the upper contact module and a row of lower contacts retained in the lower contact module, the row of upper contacts including a plurality of first conductive contacts and at least one first grounding contact located at one side of the plurality of first conductive contacts, the row of lower contacts including a plurality of second conductive contacts and at least one second grounding contact located at one side of the plurality of second conductive contacts;
a metallic shielding plate located between the upper contact module and the lower contact module; wherein
each first conductive contact defines a first bottom surface covered by the upper contact module and the at least one first grounding contact defines a second bottom surface exposed on a lower surface of the upper contact module,
each second conductive contact defines a first upper surface covered by the lower contact module and the at least one second grounding contact defines a second upper surface exposed on an upper surface of the lower contact module,
the metallic shielding plate contacts the second bottom surface of the at least one first grounding contact and the second upper surface of the at least one second grounding contact, and
there are two first grounding contacts located at opposite sides of the plurality of first conductive contacts, there are two second grounding contacts located at opposite sides of the plurality of second conductive contacts, and there are two metallic shielding plates located between corresponding first and second grounding contacts.

US Pat. No. 10,141,692

SHIELDED AND MULTISHIELDED COAXIAL CONNECTORS

Holland Electronics LLC, ...

1. An coaxial connector for passing CATV signals, the connector comprising:a body, an electrical contact, and a metallic disk shaped waveguide;
the body including a female port coaxially arranged about a centerline;
the electrical contact aligned along the centerline and electrically isolated from the body;
the waveguide fixed with respect to the body and in a plane perpendicular to the centerline; and,
the centerline passing through a central aperture of the waveguide;
wherein the waveguide is located to one side of the electrical contact and configured to limit entry of stray RF signals into a body cavity enclosing the electrical contact.

US Pat. No. 10,141,691

CONNECTOR

Sumitomo Wiring Systems, ...

1. A connector comprising:a housing configured to be fit with a counterpart housing;
one or more terminal fittings provided in the housing, the one or more terminal fittings being connected respectively to ends of one or more electric wires and being configured respectively for electrically contacting one or more counterpart terminal fittings provided in the counterpart housing when the housing and the counterpart housing are fit together; and
two detection terminals provided in the housing and configured to be mutually energized and thereby to form a detection circuit when the housing and the counterpart housing are fit properly together,
the two detection terminals being mutually connected via an electric wire and being formed in the same shape as the one or more terminal fittings, wherein
the housing is provided with cavities into which the one or more terminal fittings and the detection terminals are inserted respectively, a front wall closing a space on a front side of each of the cavities in an insertion direction of the one or more terminal fittings and the detection terminals, and a retainer mounting hole intersecting and communicating with the cavities;
a retainer inserted into the retainer mounting hole and configured to retain the one or more terminal fittings and the detection terminals;
a pressing portion protruding on the retainer and capable of abutting onto the detection terminals and pressing the detection terminals toward the front wall; and
the pressing portion is not disposed at a position corresponding to the one or more terminal fittings.

US Pat. No. 10,141,690

ELECTRICAL PLUG AND SOCKET SECUREMENT SYSTEM

1. A device for securing engaged connectors, comprising;a first side including a retention mechanism comprising a fixed half and a movable half, the two halves connected at one edge, via a locking hinge, forming a clamp with a second opening engaging a second cord attached to a second connector;
a second side including a second retention mechanism having similar components as the first side, comprising a second fixed half and a second movable half, the two halves connected at one edge, via a second locking hinge, forming a second clamp with a second opening engaging a second cord attached to a second connector;
two elongated bars, one each attached at one end to opposing sides of the fixed half, the elongated bars each having a distal portion and a distal end extending away from the first half base past the first connector, one each of the distal ends attached at opposing sides of the second fixed half, each elongated bar including an obtuse angle at a same position on each distal portion of the elongated bars, thereby creating a greater distance between the distal portions of the two elongated bars than a first distance between the distal ends attached to the fixed half and a second distance between the hinged receptacles;
wherein the first and second connectors are oriented within the elongated bars enabling engagement of the connectors and the first and second retention mechanism prohibits separation of the connectors, when closed and locked; and
wherein a row of ratchet teeth are arranged in at least one of the tracks and a corresponding pawl at proximal end of each elongated bar in place of the hinge receptacle, wherein when the elongated bars are oriented in a linear fashion extending past the first connector, the pawl engages between two of the ratchet teeth, thereby prohibiting movement of the proximal end of the elongated bars along the track, and when the elongated bars are oriented perpendicular and below the tubular base, the pawl disengages from between the teeth enabling translation along the track.

US Pat. No. 10,141,688

PLUG CONNECTOR WITH RESILIENT ENGAGEMENT ELEMENT AND SEAL

Radiall S.A., Aubervilli...

1. A connector comprising:a first connector portion; and
a second connector portion,
said first connector portion comprising a seal, a resilient detent element, a first inner conductor portion, a first outer conductor portion and a first insulating portion, said first insulating portion supporting said first inner conductor portion radially inward of and coaxially to said first outer conductor portion, a portion of said resilient detent element contacting a radially outward facing surface of said first outer conductor portion,
said second connector portion comprising a counterpart detent element, a second inner conductor portion, a second outer conductor portion and a second insulating portion, said second insulating portion supporting said second inner conductor portion radially inward of and coaxially to said second outer conductor portion,
in a mated configuration of said first connector portion and said second connector portion, said first inner conductor portion electrically and mechanically contacts said second inner conductor portion, and said first outer conductor portion electrically and mechanically contacts said second outer conductor portion,
in said mated configuration said resilient detent element engages said counterpart detent element and locks said first connector portion to said second connector portion, and
a compression of said seal in said mated configuration effecting a force parallel to a longitudinal axis of said first connector portion, said force inhibiting play between said resilient detent element and said counterpart detent element.

US Pat. No. 10,141,687

CONNECTOR

JAPAN AVIATION ELECTRONIC...

1. A connector mateable with a mating connector having a mating lock portion along a front-rear direction under a state where the mating connector is located forward of the connector in the front-rear direction, wherein:the connector comprises a contact, a housing, a slider, a regulating portion and an operation portion;
the contact is held by the housing;
the housing has a lock portion;
the lock portion is supported to be movable between a lock position and a release position;
under a mated state where the connector is mated with the mating connector, the lock portion is located at the lock position and locks the mating lock portion of the mating connector;
the slider is attached to the housing to be movable in the front-rear direction;
the slider has a release portion and a regulated portion;
when the slider is moved in a release direction in parallel to the front-rear direction under the mated state, the release portion moves the lock portion from the lock position to the release position and releases the mating lock portion;
under the mated state, the regulating portion faces the regulated portion in the release direction and regulates a movement of the slider along the release direction; and
when the operation portion is operated to be pressed inward of the connector in an operation direction intersecting with the front-rear direction, at least one of the regulating portion and the regulated portion is moved, and the regulating portion does not regulate the movement of the slider; wherein: the housing is provided with the regulating portion; and the slider is provided with the operation potion.

US Pat. No. 10,141,686

GROMMET FOR A CABLE CONNECTOR AND A STRAIN RELIEF CABLE FITTING HAVING AN INSERT

IPEX TECHNOLOGIES, INC., ...

1. A grommet for use in a cable fitting, said grommet comprising:a body having a bore substantially therethrough, said bore having a cable opening for receiving a cable to be inserted and an exit opening for the cable to exit from the body;
a resilient membrane located within the bore, said resilient membrane elastically deformable from a receiving position, before the cable is inserted into the bore, to an inverted position, after the cable is inserted into the bore;
wherein the resilient membrane comprises at least one thinner membrane portion which extends radially towards the bore to facilitate controlled tearing of the resilient membrane.

US Pat. No. 10,141,684

STRAIN RELIEF CONNECTOR ASSEMBLIES FOR ELECTRICAL WIRING

Hubbell Incorporated, Sh...

1. A strain relief connector assembly for flexible wiring, comprising:a connector;
a plurality of tightening members;
a sealing bushing;
an adapter having a first side, a second side, and a first thread;
a nut having a second thread and a third thread depending therefrom;
a strain bushing; and
a compression nut connectable to the flexible wiring, the compression nut having a fourth thread,
wherein the adapter and the connector are connected to one another by the plurality of tightening members so that a seal is defined by a first side of the adapter compressing the sealing bushing against the connector,
wherein the adapter and the nut are connected to one another by engagement of the first and second threads, and
wherein the nut and the compression nut are connected to one another by engagement of the third and fourth threads with the strain bushing between the nut and the compression nut so that the strain bushing forms a strain relieving connection with the flexible wiring.

US Pat. No. 10,141,683

CABLE FITTING FOR CONNECTING A HIGH-VOLTAGE CABLE TO A HIGH-VOLTAGE COMPONENT OR ANOTHER HIGH-VOLTAGE CABLE

ABB Schweiz AG, Baden (C...

1. A high-voltage cable fitting, comprising:a rigid core insulator with a cavity for receiving a conductor, wherein the rigid core insulator has a first conical outer surface extending concentrically about a longitudinal axis defined by the columnar overall shape of the high-voltage cable fitting,
an elastomeric stress relief element having a first conical inner surface designed for mating the first conical outer surface over a predefined length at an interface,
a rigid member provided for pressurizing the elastomeric stress relief element at the interface, and the rigid member has at least one pressure enhancing portion extending circumferentially about the longitudinal axis for causing an additional axial expansion stress in a sleeve portion of the stress relief element extending along the first conical outer surface of the core insulator in an assembled state of the cable fitting,
wherein at a given annular zone on the interface a diameter of the first conical inner surface is smaller than a diameter of the first conical outer surface in an unassembled state of the high-voltage cable fitting, and that the stress relief element is pressed onto the rigid core insulator, and in that:
(a) the stress relief element is cup-shaped and has an opening formed by the first conical inner surface and a circumferential collar directed radially outwards and a first end face located at the entry of said opening, and in that the rigid member has an inner contour for receiving the stress relief element, wherein the pressure enhancing portion is located at the inner contour such that it engages with the collar such that an additional axial expansion stress in the sleeve portion of the stress relief element extending along the first conical outer surface of the core insulator is caused in an assembled state of the cable fitting, and the pressure enhancing portion has a horn-shaped cross-section extending circumferentially about the longitudinal axis; or
(b) the rigid member has an inner contour that is directed towards the stress relief member, wherein the pressure enhancing portion comprises a plurality of stepped shoulders arranged at that inner contour at least in an area facing the first conical outer surface,
wherein the plurality of stepped shoulders are inclined with respect to the longitudinal axis about an inclination angle,
and in that the stress relief element is cup-shaped having an opening formed by the first conical inner surface, and a first end face located at the entry of said opening, wherein the stress relief element has an outer contour that is directed towards the rigid member and has a plurality of counter-shoulders for interacting with the stepped shoulders of the rigid member such that an additional axial expansion stress in the sleeve portion of the stress relief element is caused in an assembled state of the cable fitting; or
(c) the pressure enhancing portion is a sleeve-shaped pressure body provided between the stress relief member and the rigid member, wherein said pressure body has a second conical inner surface that is matching a second conical outer surface of the stress relief element at least in an area facing the first conical outer surface, and in that a compression system is provided between an axial end face of the pressure body and the rigid member for exerting an axial force on the pressure body in an assembled state of the cable fitting such that an additional axial expansion stress in the sleeve portion of the stress relief element is caused in an assembled state of the cable fitting.

US Pat. No. 10,141,682

SUBSEA ELECTRICAL CONNECTOR WITH REMOVABLE ROV MATING TOOL

Teledyne Instruments, Inc...

1. A robotically mateable/dematable connector system for use in subsea environments, the system comprising:a first connector unit, a second connector unit, and a robotically manipulatable tool;
the first connector unit comprising a housing;
the second connector unit comprising a front shell, a rear shell, and a mating shell disposed within the front shell, the rear shell further comprising a rear shell back;
the robotically manipulatable tool comprising a tool body having a top and a bottom and a tool body opening, and a grip assembly, the grip assembly comprising a grip handle for manipulating the tool by an external force, the robotically manipulatable tool further comprising a captured nut assembly having an interior socket adapted to fit about a matingly configured structure of the second connector unit rear shell back; and
wherein the robotically manipulatable tool is releaseably attachable to the second connector unit and, when attached to the second connector unit, is adapted to place the second connector unit in a mated condition with the first connector unit.

US Pat. No. 10,141,681

WATERPROOF CONNECTOR

Tyco Electronics Japan G....

1. A connector, comprising:a housing having:
a substantially rectangular shape with a pair of opposite short sides and a pair of opposite long sides,
a pair of covers each disposed on one of the pair of opposite short sides; and
a waterproof member surrounding and contacting a sidewall of the housing over an entire circumference of the sidewall and a portion of the waterproof member covered by each cover on the short side; and
a lever movable between an unmated position and a mated position, the lever and the housing together covering the waterproof member over an entire circumference of the waterproof member in the mated position the lever covering a portion of the waterproof member on each of the opposite long sides and the housing not covering the waterproof member on each of the opposite long sides.

US Pat. No. 10,141,680

WATERPROOF CONNECTOR

SUMITOMO WIRING SYSTEMS, ...

1. A waterproof connector, comprising:a connector housing having opposite front and rear ends and including a cavity extending through the connector housing in a front-rear direction;
a seal member disposed in a rear part of the connector housing and including a seal hole communicating with the cavity in the front-rear direction; and
a rear holder disposed on the rear end of the connector housing to restrict rearward detachment of the seal member and including opposite front and rear ends, a through hole extending through the rear holder from the rear end of the rear holder to the front end thereof and communicating with the seal hole in the front-rear direction,
wherein:
a terminal fitting is inserted sequentially through the through hole and the seal hole and into the cavity, and a wire is connected to the terminal fitting; and
the through hole is provided with a guiding surface inclined toward the front end of the rear holder and toward a central side of the seal hole so that the guiding surface is inclined to the front-rear direction in a range extending over substantially an entire length of the through hole in the front-rear direction with the rear holder disposed on the connector housing.

US Pat. No. 10,141,679

ELECTRICAL CONNECTOR

SMK Corporation, Tokyo (...

1. An electrical connector comprising:an electrically conductive contact;
an insulating housing configured to hold the contact;
a metal shell having an opening opened frontward to allow a mating connector to be inserted therein, the metal shell being configured to accommodate the housing; and
a sealing member which is provided on an outer peripheral surface of the metal shell, the sealing member including a projected portion protruded frontward from the metal shell, wherein
the metal shell has an inclined surface that is inclined so as to increase the opening in diameter frontward at a front end, and
the projected portion is provided toward the outer peripheral surface with respect to the inclined surface, and covers a front surface of the metal shell such that the inclined surface of the metal shell is exposed.

US Pat. No. 10,141,678

CHARGING DEVICE

1. A charging device havinga casing having
a side;
an inner side;
a charging port formed through the side of the casing;
a positioning portion formed on and protruding from the inner side of the casing adjacent to the charging port and having a shape; and
at least one fixing portion deposited on the inner side of the casing adjacent to the charging port and deposited at a spaced interval to the positioning portion;
a connector connected to the casing, deposited on the inner side of the casing, and having
an external terminal extending out of the casing via the charging port; and
an internal terminal deposited on the connector opposite to the external terminal and electrically connected to the external terminal; and
a supporting frame detachably connected to the casing, abutting against the connector to hold the connector between the casing and the supporting frame, and having
a fixing hole formed through the supporting frame and having a shape corresponding to the shape of the positioning portion, and the fixing hole disposed around the positioning portion when the supporting frame abuts against the connector;
at least one fastener extending through the supporting frame and connected securely to the at least one fixing portion of the casing; and
a linking hole formed through the supporting frame to enable the internal terminal to extend out of the supporting frame via the linking hole.

US Pat. No. 10,141,675

BIOMETRIC BELT CONNECTOR

NOX MEDICAL, Reykjavik (...

1. An electrode belt connector for electrically connecting a conductor of an electrode belt to a snap electrode, the belt connector comprising:a plastic frame including a first elongated member and a second elongated member, the first elongated member and the second elongated member defining a receiving hole configured to receive and fasten the plastic frame to a protrusion of the snap connector electrode; and
a fastener portion configured to couple the electrode belt connector to the electrode belt,
wherein
the first elongated member and the second elongated member further define a first slot extending from the receiving hole,
the first elongated member and/or the second elongated member provide a radial flexibility to the receiving hole, and
the first elongated member engages the conductor of the electrode belt by the conductor extending into the receiving hole such that the conductor is in electrical contact with the protrusion of the snap connector electrode upon penetration of the protrusion into the receiving hole.

US Pat. No. 10,141,674

TAMPER RESISTANT MECHANISM FOR ELECTRICAL WIRING DEVICES

Hubbell Incorporated, Sh...

1. An electrical receptacle comprising:a base having a first connector member and a second connector member, each capable of supplying electrical power;
a cover having a first horizontal line phase slot aligned with the first connector member and a second horizontal line phase slot aligned with the second connector member; and
a first tamper resistant cartridge disposed between the first and second connector members and the first and second line phase slots, the first tamper resistant cartridge including:
a first shutter assembly including:
a first shutter aligned with the first horizontal line phase prong slot; and
a first slider aligned with the second connector member that normally blocks access to the second connector member;
a second shutter assembly including:
a second shutter aligned with the second horizontal line phase prong slot; and
a second slider aligned with the first connector member that normally blocks access to the first connector member;
wherein rotation of the first shutter causes the first slider to move to a position that enables access to the second connector member, and wherein rotation of the second shutter causes the second slider to move to a position that enables access to the first connector member.

US Pat. No. 10,141,673

DETECTION OF A PLUG COUPLED TO A CONNECTOR HOUSING

Hewlett Packard Enterpris...

1. An apparatus comprising:a plug coupleable to a connector housing on a computing device, wherein the computing device includes:
a first airflow path based on the plug being coupled to the connector housing that prevents airflow through the connector housing; and
a second airflow path based on an absence of the plug being coupled to the connector housing such that air flows through the connector housing;
an electrical contact supported by the plug, the electrical contact interfaceable with a connector pin in the connector housing, wherein the computing device:
detects whether the plug is coupled to the connector housing based on whether the electrical contact is interfaced with the connector pin; and
controls an operating state of a network switch that corresponds to the connector housing based on whether the plug is coupled to the connector housing, including causing the network switch to power down in response to detecting that the plug is not coupled to the connector housing.

US Pat. No. 10,141,672

LATCHING MEANS FOR PLUG CONTACTS

1. A latching mechanism for plug contacts, comprising at least one latching arm arranged in an insulating housing, wherein the latching arm has a fixed end and a free end,wherein the insulating housing has a contact receiving opening within which to receive a plug contact in an insertion direction,
wherein the latching arm forms a latching shoulder at the free end, the latching shoulder extending approximately perpendicularly to the insertion direction and projecting into the contact receiving opening to latch behind a latch receiving portion of the plug contact upon insertion of the plug contact into the contact receiving opening, and
wherein a latching lug is formed on the latching shoulder at the free end of the latching arm and extends from the latching shoulder in a direction toward the fixed end of the latching arm in order to hook around the latch receiving portion of the plug contact and to prevent the latching arm from being displaced away from the contact receiving opening while the latching shoulder is in contact with the latch receiving portion of the plug contact.

US Pat. No. 10,141,671

REVERSIBLE CONNECTOR INTERFACE

International Business Ma...

1. A reversible plug connector connectable to a receptacle connector, the receptacle connector having a receptacle housing and a fixed receptacle insulator extending within the receptacle housing, the fixed receptacle insulator including a plurality of receptacle contacts on one surface of one or more surfaces of the fixed receptacle insulator, the reversible plug connector comprising:an insulative plug housing having a plurality of housing contacts disposed on an upper inner surface of the plug housing and on a lower inner surface of the plug housing;
a moveable plug insulator disposed within the plug housing, the moveable plug insulator having an upper surface and a lower surface opposite the upper surface with a plurality of metallic conductors exposed on both the upper surface and the lower surface of the moveable plug insulator;
wherein the moveable plug insulator is configured to be vertically displaced in response to the reversible plug connector being inserted into the receptacle connector such that a portion of each metal conductor of the plurality of metallic conductors is brought into contact with a corresponding receptacle contact of the plurality of receptacle contacts and another portion of each metal conductor of the plurality of metallic conductors is brought into contact with a corresponding housing contact of the plurality of housing contacts, and thereby the corresponding housing contact of the plurality of housing contacts is electrically connected to the corresponding receptacle contact of the plurality of receptacle contacts;
at least two spring elements attached to the moveable insulator oppose displacement from a centerline of the reversible plug connector via an interaction of the at least two spring elements with a shape of two inner sidewalls of the plug housing; and
wherein each spring element of the at least two spring elements is disposed directly between a sidewall of the two inner sidewalls of the insulative plug housing and a sidewall of the moveable plug insulator.

US Pat. No. 10,141,670

SUBSTRATE CONNECTOR INCLUDING A SPRING PIN ASSEMBLY FOR ELECTROSTATIC CHUCKS

LAM RESEARCH CORPORATION,...

1. A substrate connector to provide a connection to a substrate during substrate processing, comprising:a spring pin assembly defining a first contact and including a first groove, wherein the first groove extends inward relative to the first contact;
a retention spring clip including a body arranged in the first groove and projections extending from the body; and
a second contact including a body defining a cavity, wherein the cavity defines a second groove in opposing inner side walls of the cavity and the second groove extends outward in a direction opposite the first groove,
wherein the second contact is arranged around the first contact of the spring pin assembly, and
wherein the projections of the retention spring clip extend outward from the first groove into the second groove in the second contact.

US Pat. No. 10,141,669

PLUG CONNECTOR HAVING A TAB TERMINAL FOR A POWER CONNECTOR SYSTEM

TE CONNECTIVITY CORPORATI...

1. A plug connector comprising:a housing having a mating end and a cable end, the mating end being configured to be mated with a header connector in a mating direction; and
a tab terminal held in the housing at the mating end, the tab terminal having a leading edge configured to be mated with a header terminal having opposing rows of plural points of contact of the header connector when the plug connector is mated to the header connector, the leading edge being tapered such that the tab terminal sequentially mates with the opposing rows of plural points of contacts of the header terminal along the leading edge during mating.

US Pat. No. 10,141,668

DETACHABLE FLEX-TO-FLEX ELECTRICAL CONNECTION

Palo Alto Research Center...

1. A detachable electrical connection assembly comprising:a conductive material;
an adhesive material consisting of an adhesive composition configured to permit non-permanent attachment, detachment and re-attachment of the adhesive material, wherein at least a portion of the conductive material is positioned between the adhesive material having the adhesive composition which permits non-permanent attachment, detachment, and re-attachment of the adhesive material;
the conductive material and the adhesive material being located on a first surface of a first substrate;
conductive ink drops selectively located on portions of the conductive material of the first substrate; and
a second substrate having at least some conductive material on a first surface corresponding to at least some of the conductive ink dots, wherein the second substrate is positioned wherein at least some of the conductive material on the second substrate are in contact with at least some of the conductive ink dots.

US Pat. No. 10,141,667

ELECTRICAL INTERCONNECTION SYSTEM AND ELECTRICAL CONNECTORS FOR THE SAME

3M Innovative Properties ...

1. An electrical plug connector comprising:at least one paddle card being in a plate shape having a first surface and a back to back second surface and comprising a plurality of first contact pads positioned on the first surface of the paddle card and a plurality of second contact pads positioned on the second surface; and
a plug housing comprising at least one opening configured to accommodate at least a portion of one paddle card therein;
wherein the plug housing comprises a top wall or/and a bottom wall having a mechanical engagement part configured to engage with an external electronic device so as to have the paddle card be in electrical connection with the external electronic device, and each paddle card is orthogonal to the top wall or/and the bottom wall.

US Pat. No. 10,141,666

SUPPORT OF AN ELECTRONIC UNIT, ELECTRICAL DEVICE COMPRISING SAME AND ELECTRIC MACHINE COMPRISING THE SAID ELECTRICAL DEVICE

Valeo Systemes de Control...

1. A support of an electronic unit, configured to be integrated into a housing to support a first electronic unit and to allow electrical connection between the first electronic unit and a second electronic unit situated opposite, via at least one electrical connection element, the support comprising:an open cavity for receiving the first electronic unit;
a hollow column into which the at least one electrical connection element is inserted, the hollow column extending from the open cavity and being configured to communicate with the open cavity at a first end of the hollow column; and
a channel comprising an end communicating with a bottom of the open cavity and another end communicating with a lateral wall of the hollow column,
wherein the support of the electronic unit receives an insulating material that embeds the first electronic unit, and
wherein the hollow column is filled with the insulating material by way of the channel, the channel forming a filling element for the hollow column.

US Pat. No. 10,141,665

MAGNETIC COUPLING SYSTEMS

1. A set of magnetic jumper cables, comprising:two lengths of elongate, insulated, electrically-isolated electric conductors; and
magnetic couplers configured in electrical connection with at least one end of each of the two lengths of elongate, insulated, electric conductors,
the magnetic couplers comprising:
insulative material, the insulative material defining indentations on indented sides of individual magnetic couplers, and
magnetic elements positioned within the insulative material such that the magnetic elements are in electrical connection with respective elongate, insulated, electrically-isolated electric conductors and the magnetic elements are exposed at the indentations.

US Pat. No. 10,141,664

DISTRIBUTION BLOCK AND DIN RAIL RELEASE MECHANISM

Hubbell Incorporated, Sh...

1. An electrical distribution block comprising:a base having a lower portion, an upper portion, a first side portion extending from the top portion, and a second side portion extending from the top portion opposite the first side portion, wherein the first side portion includes a first base mating feature and the second side portion includes a second base mating feature, and wherein the bottom portion includes a channel configured to receive a DIN rail;
a first sidewall removably connected to the first base mating feature;
a second sidewall removably connected to the second base mating feature; and
a conductor block connected to the upper portion of the base, wherein the conductor block includes a primary conductor receiving portion and a secondary conductor receiving portion.

US Pat. No. 10,141,663

COAXIAL CABLE CONNECTOR

EZconn Corporation, Taip...

1. A coaxial cable connector, comprising:a connector body having a threaded outer surface and a through-hole therethrough having a central axis comprising a first body opening end and a second body opening end opposite the first body opening end, wherein the through-hole has a radially inner protruding end portion disposed on an inner surface of the first connector body end, and wherein the radially inner protruding end portion has an annular inner lock back wall facing the second body opening end and a plurality of guide protrusions laterally disposed thereon, wherein the plurality of guide protrusions each has an inner guide front wall facing the first body opening end;
a first dielectric component engaged and fixed within the first body opening end of the connector body, having a cylindrical center tube, a radially protruding head end portion surrounding a front end of the cylindrical center tube, and a plurality of flexible snap hooks flaring backwards from a backside of the radially protruding head end portion along the outside of the cylindrical center tube having a plurality of backside spaces therebetween, wherein the plurality of flexible snap hooks fittably sit along the radially inner protruding end portion of the through-hole, fittably hooking and locking against the annular inner lock back wall thereof and the plurality of backside spaces fittably rest upon each of the inner guide front walls of the plurality of guide protrusions, and wherein the central axis of the connector body and first dielectric component are the same; and
a first conductor component extending through the cylindrical center tube.

US Pat. No. 10,141,662

METAL CLIP FOR ELECTRICALLY CONNECTING A CONDUCTIVE WIRE TO A METAL ELEMENT

A. RAYMOND ET CIE, Greno...

1. A metal clip for electrically connecting a conductive wire to a planar metal element, with the metal clip having an S-shaped cross-section and being composed of three wings, with a first wing and a second wing defining a first longitudinal recess allowing the metal clip to be attached to one edge of the planar metal element, with the second wing and the third wing defining a second longitudinal recess, the second recess including connection means for receiving the end of the conductive wire and for maintaining electrical contact between the conductive wire and the metal clip, wherein the connection means comprises an additional part for attaching the conductive wire in the second recess that includes a part protruding through an opening formed on the third wing, with the protruding part being provided with a side opening for receiving the end of the conductive wire, with the protruding part being movable so as to allow the clamping of the conductive wire between the perimeter of the opening of the protruding part and a surface of the third wing.

US Pat. No. 10,141,660

ELECTRICAL CONNECTION BOX AND CONNECTION TERMINAL COMPONENT

AutoNetworks Technologies...

1. An electrical connection box comprising:a circuit portion that has a bus bar as a conduction path, an electronic component being mounted on the circuit portion;
a case in which the circuit portion is housed;
a bus bar terminal portion that is provided on the bus bar, a through-hole being formed in the bus bar terminal portion; an electrical wire terminal portion that is connected to an electrical wire, a through-hole being formed in the electrical wire terminal portion;
a bolt that has a shaft portion and a head portion having a seat surface concentric to the shaft portion; and
a nut that is fastened to the bolt so as to press the wire terminal portion against the bus bar terminal portion,
wherein the shaft portion of the bolt is inserted into the through-hole of the bus bar terminal portion and the through-hole of the electrical wire terminal portion, the bus bar terminal portion and the electrical wire terminal portion are overlaid on the seat surface of the bolt, and a groove portion is circumferential to the shaft portion of the bolt, the seat surface being concentric to the groove portion, and
the groove portion is recessed in a direction along an axial direction of the shaft portion and at a position where the seat surface and an outer circumferential surface of the shaft portion intersect so as to provide a planar surface engagement between the bus bar terminal portion and the wire terminal portion and facilitate an electrical connection.

US Pat. No. 10,141,659

EXOTHERMIC AND MECHANICAL ELECTRICAL CONNECTOR

Hubbell Incorporated, Sh...

1. An electrical connector comprising:an electrically conductive connector having a mechanical connector for removably receiving a conductor, the mechanical connector including a threaded portion, and a parallel groove clamp comprising a head, a moveable jaw acting as a translatable clamping member, a fastener having the threaded portion, and a nut connected to the fastener;
an arm extending from the electrically conductive connector;
a component connected to the arm at an interface, wherein the interface comprises an exothermic weld, and wherein the arm is integrally formed with the head and includes a bottom portion connected to the component.

US Pat. No. 10,141,658

ANTENNA MODULE

PANASONIC INTELLECTUAL PR...

1. An antenna module comprising:a multilayer board;
a phased array antenna that includes a plurality of antenna elements arranged on an outer face of a second conductor layer included in the multilayer board and adjusts one or more beam directions of the plurality of antenna elements by controlling a phase of each of radio frequency signals transmitted from the plurality of antenna elements;
a radio frequency (RF) chip that is arranged on an outer face of a plurality of first conductor layers included in the multilayer board and outputs the radio frequency signal;
a matching circuit that is arranged on the outer face of the plurality of first conductor layers and adjusts matching between impedance of the plurality of antenna elements and impedance of the RF chip;
a through hole that couples the plurality of first conductor layers and the second conductor layer; and
one or more vias that are on an outer side in a diameter direction of the through hole and couples the plurality of first conductor layers.

US Pat. No. 10,141,657

RADAR DEVICE

Panasonic Corporation, O...

1. A radar device comprising:radar transmission circuitry which, in operation, transmits a radar signal through a transmitting array antenna at a predetermined transmission period; and
radar reception circuitry which, in operation, receives a reflected wave signal which is the radar signal reflected by an object through a receiving array antenna, wherein
the transmitting array antenna and the receiving array antenna each include a plurality of subarray elements,
the subarray elements are linearly arranged in a first direction in each of the transmitting array antenna and the receiving array antenna,
each subarray element includes a plurality of antenna elements,
a dimension of each subarray element in the first direction is larger than a predetermined antenna element spacing, and
an absolute value of a difference between a subarray element spacing of the transmitting array antenna and a subarray element spacing of the receiving array antenna is equal to the predetermined antenna element spacing.

US Pat. No. 10,141,656

STRUCTURAL ANTENNA ARRAY AND METHOD FOR MAKING THE SAME

The Boeing Company, Chic...

1. A structural antenna array comprising:a core comprising intersecting wall sections, wherein said core further comprises antenna elements formed on a first surface of said wall sections, and feed elements formed on a second surface of said wall sections;
a distribution substrate layer coupled to said core and in electrical communication with said antenna elements and said feed elements;
a first skin coupled to said core opposite said distribution substrate layer; and
a second skin coupled to said distribution substrate layer opposite said first skin, wherein said first skin and said second skin each comprises:
a first non-conductive substrate layer;
a dielectric substrate layer coupled to said first non-conductive substrate layer; and
a second non-conductive substrate layer coupled to said dielectric substrate layer opposite said first non-conductive substrate layer.

US Pat. No. 10,141,654

TRACKING ANTENNA SYSTEM ADAPTABLE FOR USE IN DISCRETE RADIO FREQUENCY SPECTRUMS

Sea Tel, Inc., Concord, ...

1. A tracking antenna system comprising:a reflector configured to receive a plurality of radio waves that include first radio waves within a first range of radio frequencies and second radio waves within a second range of frequencies;
a pedestal that supports the reflector, wherein the pedestal includes one or more motion control units for rotating the reflector about at least one axis;
a damping assembly that is coupled to the pedestal, wherein the damping assembly damps vibrations of the pedestal;
a first feed that is coupled to the reflector, wherein the first feed is configured to receive the first radio waves and send them to a first RF module that is coupled to the reflector, wherein the first RF module is configured to convert the first radio waves to first electronic signals; and
a module mount that is coupled to the reflector and that is configured for interchangeable mounting of the first RF module and a second RF module, wherein the module mount includes a protrusion that extends from the reflector;
wherein the first RF module is removably coupled to the reflector by the module mount and supported by the protrusion of the module mount.