US Pat. No. 10,693,367

PRE-CHARGING CIRCUIT FOR POWER CONVERTERS

Rolls-Royce North America...

1. An electrical power converter comprising:a differential bus including a high-side rail and a low-side rail;
a power source configured to generate power;
a bulk capacitor coupled between the high-side rail and the low-side rail, the bulk capacitor configured to filter the power generated by the power source;
a converter configured to convert the power filtered by the bulk capacitor; and
a pre-charging circuit comprising one or more switches and a middle capacitor, the pre-charging circuit configured to pre-charge the bulk capacitor, wherein the one or more switches comprise:
a first switch, wherein a drain terminal of the first switch is directly coupled to a first node of the power source;
a second switch, wherein a drain terminal of the second switch is directly coupled to a second node of the power source;
a third switch coupled to the high-side rail, wherein a source terminal of the first switch and a source terminal of the third switch are coupled to a first node of the middle capacitor, and wherein a drain terminal of the third switch is directly coupled to a first terminal of the bulk capacitor; and
a fourth switch coupled to the low-side rail, wherein a source terminal of the second switch and a source terminal of the fourth switch are coupled to a second node of the middle capacitor, and wherein a drain terminal of the fourth switch is directly coupled to a second terminal of the bulk capacitor.

US Pat. No. 10,693,366

PFC CONVERTER CONTROL METHOD, INVERTER HOUSEHOLD APPLIANCE, AND PFC CONVERTER CONTROL METHOD FOR AN INVERTER HOUSEHOLD APPLIANCE

Hisense Home Appliances G...

8. An inverter household appliance, comprising a frequency offset generator, a carrier superimpose, a phase detector, and a frequency offset controller, which are all coupled each other through a bus, wherein:the frequency offset generator is configured to generate a frequency offset function, wherein a frequency offset value corresponding to the frequency offset function periodically varies with time;
the carrier superimposer is configured to superimpose the frequency offset function on a carrier reference frequency of a PFC converter to obtain a periodically varying PFC carrier frequency function;
the phase detector is configured to detect a phase of a voltage of an alternating current of an electrical grid; and
the frequency offset controller is configured to control a PFC carrier frequency corresponding to each frequency point of the PFC carrier frequency function to periodically vary with a phase of the voltage;
wherein the inverter household appliance further comprises: a current detector and a frequency offset coefficient determiner, which are connected to the frequency offset generator, the carrier superimpose, the phase detector, and the frequency offset controller through the bus, wherein:
the current detector is configured to detect an amplitude of a bus current signal controlled by the PFC converter; and
the frequency offset coefficient determiner is configured to determine a frequency offset coefficient of the frequency offset function according to the amplitude of the bus current signal detected by the current detector, wherein the frequency offset coefficient is configure to make the frequency offset value corresponding to the frequency offset function is maximized when the bus current signal is maximized.

US Pat. No. 10,693,365

POWER CONVERSION CIRCUIT WITH A COMPENSATION CIRCUIT

FUJI ELECTRIC CO., LTD., ...

1. A power conversion circuit, comprising:a semiconductor switching device;
a main circuit that performs power conversion through switching on and off of the semiconductor switching device, the main circuit including a controller that supplies a drive signal to the semiconductor switching device to switch on and off the semiconductor switching device,
a grounded capacitor connected to the main circuit;
a compensation circuit separate from the main circuit, connected to the main circuit, the compensation circuit including a compensation capacitor; and
a compensation generator connected to the compensation circuit, the compensation generator charging and discharging the compensation capacitor on the basis of the drive signal so as to generate a cancellation voltage across the compensation capacitor that causes a conducted emission voltage across terminals of the grounded capacitor generated as a result of the switching on and off of the semiconductor switching device to be cancelled out, thereby eliminating conducted emission,
wherein the compensation generator is included within the main circuit or within the compensation circuit, and
wherein the compensation circuit further includes a delay time setter that adjusts timings at which the compensation capacitor is charged and discharged in accordance with delay times in ON and OFF switching of the semiconductor switching device relative to the drive signal.

US Pat. No. 10,693,364

POWER SUPPLY BOARD AND PRINTER

Brother Kogyo Kabushiki K...

1. A power supply board configured to supply electric power to a head configured to jet liquid, the board comprising:a first power supply circuit;
a second power supply circuit configured to output an output voltage that is lower than an output voltage of the first power supply circuit;
a first terminal connected to the head and configured to supply the electric power from the first power supply circuit to the head;
a second terminal connected to the head and configured to supply the electric power from the second power supply circuit to the head;
a first line connected to an output terminal of the first power supply circuit and configured to supply the electric power from the first power supply circuit to the first terminal;
a second line connected to an output terminal of the second power supply circuit and configured to supply the electric power from the second power supply circuit to the second terminal; and
a branched line branched from the first line to be connected to an input terminal of the second power supply circuit and configured to supply the electric power from the first power supply circuit to the second power supply circuit,
wherein an input power source is connected to an input terminal of the first power supply circuit.

US Pat. No. 10,693,363

SELF CLEARING POWER MODULE

1. An apparatus comprising:a housing including a semiconductor die and a conductor electrically coupled with the semiconductor die;
a sensor positioned within the housing;
an indirect fuse element positioned proximate the conductor;
wherein the sensor is configured to detect an indication of a failure of the semiconductor die;
wherein the indirect fuse element is configured to sever the conductor responsive to a signal, based on the detected indication, indicative of a failure of the semiconductor die;
a controller operatively coupled with the sensor and the indirect fuse element, wherein the controller is configured to:
receive the detected indication from the sensor;
determine whether the detected indication represents the failure of the semiconductor die; and
in accordance with the determination that the detected indication represents a failure of the semiconductor die, send the signal to the indirect fuse element.

US Pat. No. 10,693,362

SWITCHING POWER SUPPLY

FDK CORPORATION, Tokyo (...

1. A switching power supply comprising: an insulated transformer including a primary-side coil and a secondary side coil; a full-bridge circuit that converts input DC power into AC power and outputs the AC power to the primary-side coil; an output circuit that converts AC power input from the secondary-side coil into an output DC power and outputs the output DC power; and a control circuit that controls the full-bridge circuit by using a phase shift method based on voltage output by the output circuit, wherein when the switching power supply is determined to be in a discontinuous current mode when a measured value of an amount of phase shift determined from at least one of the voltage and current output by the output circuit is smaller than a theoretical value of the amount of phase shift corresponding to the switching power supply operating in a continuous current mode, the control circuit prolongs dead time used in the full-bridge circuit in accordance with a difference between the measured value and the theoretical value.

US Pat. No. 10,693,361

FAULTY CURRENT SENSE LINE DETECTION IN MULTIPHASE VOLTAGE REGULATORS

Infineon Technologies Aus...

1. A multiphase voltage regulator, comprising:a plurality of power stages, each of which is configured to deliver a phase current to a load;
a plurality of current sense circuits, each of which is configured to provide a current sense signal representative of the phase current delivered to the load by the power stage coupled to the current sense circuit;
a controller configured to control the plurality of power stages to regulate an output voltage provided to the load, based at least partly on the current sense signals provided by the current sense circuits;
a current sense interface running between the controller and one or more of the current sense circuits, the current sense interface comprising a separate line for each current sense circuit coupled to the current sense interface and which is configured to support single-ended or differential current sense; and
a plurality of pullup circuits, each of which is connected to one of the current sense interface lines and has a higher impedance than the line to which the pullup circuit is connected,
wherein the controller comprises a fault detection circuit configured to determine if an individual one of the current sense interface lines has an open fault, based on the pullup circuit connected to the line with the open fault pulling up the voltage on the line by more than a predetermined amount.

US Pat. No. 10,693,360

TRANSMISSIONS INCORPORATING EDDY CURRENT BRAKING

EDDY CURRENT LIMITED PART...

1. A transmission mechanism comprising:at least one driving member;
at least one driven member, movement of the at least one driven member urged by transmission of movement from the at least one driving member; and
drag force inducing elements that move at different relative rates, comprising at least one electrical conductor and at least one magnet, each of the drag force inducing elements coupled with the at least one driven member in a manner that allows the drag force inducing elements to interact and generate eddy current drag forces upon movement of the drag force inducing elements;
wherein when a first motive force is applied to the at least one driving member, a second motive force is transmitted to the at least one driven member, an eddy current drag force is induced on the at least one driven member by interaction between the at least one electrical conductor and the at least one magnet that are coupled to the at least one driven member, and the eddy current drag force retards movement of the at least one driving member;
wherein a transmission ratio between the at least one driving member and the at least one driven member is pre-determined and between 1:0.001 and 1:1000;
wherein the at least one electrical conductor rotates at a first rotational velocity governed by the transmission ratio and a velocity of the driving member; and
wherein the at least one magnet rotates at a second rotational velocity governed by the transmission ratio and the velocity of the driving member in a rotational direction opposite the direction of rotation of the at least one electrical conductor.

US Pat. No. 10,693,359

LINEAR VIBRATION GENERATOR INCLUDING STRUCTURE FOR PREVENTING DISCONNECTION OF COIL

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

1. A linear vibration generator comprising a structure for preventing a disconnection of a coil, the linear vibration generator comprising:a casing (100) configured to cover a top and side of the linear vibration generator;
a bracket (200) configured to form a bottom of the linear vibration generator;
a coil (400) fixed to one side of a top of the bracket (200) and applied with external power from a flexible printed circuit board (FPCB) (300);
a spring (500) fixed to the bracket (200) at a first end of the spring (500) and configured to have an internal diameter greater at a second end of the spring (500) than an external diameter of the coil (400) and to surround the coil (400);
a magnet (600) configured to have an internal diameter greater than the external diameter of the coil (400) and fixed to the second end of the spring (500) to form a vibrator;
a mass (700) fixed to the magnet (600) to surround the magnet (600); and
a yoke (800) fixed to the second end of the spring (500) at a bottom of the yoke (800), and coupled to a bottom of the magnet (600) and a bottom of a part of the mass (700) at a top of the yoke (800),
wherein an internal diameter of the yoke (800) and the internal diameter of the second end of the spring (500) are each greater than the internal diameter of the magnet (600),
wherein a radius of the internal diameter of the yoke (800) and a radius of the internal diameter of the second end of the spring (500) are each greater than a radius of the internal diameter of the magnet (600) within a range of a half or less of a width of the magnet (600).

US Pat. No. 10,693,358

RECIPROCATING ELECTROMAGNETIC ACTUATOR WITH FLUX-BALANCED ARMATURE AND STATIONARY CORES

HAMILTON SUNDSTRAND CORPO...

1. An apparatus for electromagnetic actuation comprising:a cylindrical housing;
at least two stationary cores fixed to the cylindrical housing, each stationary core having at least one first annular portion and a second annular portion surrounding the first annular portion;
first, second, third and fourth ring coils, wherein the first and second ring coils are located within the a first of the at least two stationary cores and the third and fourth ring coils are located within a second of the at least two stationary cores; and
a ferromagnetic armature, the ferromagnetic armature concentrically aligned with the at least two stationary cores and configured to move relative to the at least two stationary cores, the ferromagnetic armature having at least two steps extending from each side thereof, a first of the two steps aligns with the first annular portion a one of at least two stationary cores and a second annular step aligns with the second annular portion on the one of the at least stationary cores.

US Pat. No. 10,693,357

STRADDLED VEHICLE STARTER MOTOR, ENGINE START-UP DEVICE, AND STRADDLED VEHICLE

YAMAHA HATSUDOKI KABUSHIK...

1. A straddled vehicle starter motor for starting up an engine mounted to a straddled vehicle, the straddled vehicle starter motor comprising:a rotor configured to be rotatable, and including
a winding,
a core with the winding wound thereon, and
a commutator electrically connected to the winding;
a brush configured to contact the commutator to cause a current to be supplied to the rotor, a position of the brush being fixed with respect to a rotation direction of the rotor; and
a movable permanent magnet arranged to oppose the core with a gap therebetween and to be movable in a circumferential direction of the rotor, independently of the rotor, within an angle range, the angle range including
a retarded angle position in which the movable permanent magnet is displaced in a retarded angle direction relative to the brush, to thereby cause a first torque, and
an advanced angle position in which the movable permanent magnet is displaced in an advanced angle direction relative to the brush,
to thereby cause a second torque that is higher than the first torque, the movable permanent magnet being configured to be located in the advanced angle position at a time point when the rotor starts to rotate upon a supply of the current to the rotor, and to be moved in the retarded angle direction to the retarded angle position within a first period in which the rotor is rotating with the current supplied to the rotor.

US Pat. No. 10,693,356

VARIABLE-FIELD ROTARY ELECTRIC MACHINE AND VEHICLE PROVIDED WITH SAME

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

1. A variable-field rotary electric machine comprising:a rotor that is rotatably integrated with a shaft while an axis of the shaft is used as a rotation axis and includes a movable iron core, and
a displacement mechanism configured to displace the movable iron core in an axial direction of the rotation shaft,
wherein the displacement mechanism comprises:
a cylinder unit comprising a cylinder chamber, a piston member,
and a sealer member,
the cylinder chamber configured to retain hydraulic fluid in accordance with a rotation speed of the rotor,
the piston member connected to the movable iron core at one end portion in an axial direction of the movable iron core and provided so as to be able to be displaced along an axis of the cylinder chamber,
the sealer member provided at the piston member,
wherein the piston member is displaced in the axial direction of the rotation shaft in response to an increase or decrease in a retention amount of the hydraulic fluid in the cylinder chamber, so that the movable iron core connected to the piston member is displaced in the axial direction of the rotation shaft.

US Pat. No. 10,693,355

COIL UNIT ARRANGEMENT DEVICE

FUKUI PREFECTURAL GOVERNM...

1. A coil unit arrangement device that forms an array coil group by arranging in a predetermined arrangement order each relevant coil of a coil unit in which a plurality of coils corresponding to a plurality of phases is connected by a jumper wire for each phase, comprising:a holding section provided with a rotatable coil unit support that supports the coil unit;
a receiving section provided with an array coil group support that supports the array coil group, the receiving section relatively turning with respect to the holding section;
a conveying section configured to convey the coil of the coil unit supported by the rotatable coil unit support to the array coil group support; and
a control unit configured to control, in forming the array coil group by extracting and arranging the coil from the coil unit on the basis of the predetermined arrangement order, the holding section, the receiving section, and the conveying section so that a first jumper wire between the array coil group and the coil to be extracted is arranged on a same side of a second jumper wire between the array coil group and another coil of the coil unit.

US Pat. No. 10,693,354

METHOD FOR MANUFACTURING IMPELLER ROTOR ASSEMBLY

1. A method of manufacturing an impeller rotor assembly, comprising,manufacturing a cylindrical magnet in which hollow space is formed;
manufacturing a magnet yoke configured to be assembled on an inner circumferential surface of said cylindrical magnet where hollow space is provided, and having an outer diameter being 0.02 to 0.3 mm smaller than an inner diameter of said cylindrical magnet;
assembling said cylindrical magnet and magnet yoke by inserting the magnet yoke into said cylindrical magnet with a clearance of 0.01 to 0.15 mm formed between the inner circumferential surface of said cylindrical magnet and an outer circumferential surface of said magnet yoke;
mold forming in which the assembly of said cylindrical magnet and magnet yoke is integrated into a mold; and
providing several more stoppers on the magnet yoke outwardly protruding along an outer circumference of one side of the magnet yoke to fit on an end surface of the cylindrical magnet in order to prevent the magnet yoke from being pushed in along with injected plastic resin.

US Pat. No. 10,693,353

METHOD OF MANUFACTURING A MAGNET PLATE FOR A LINEAR MOTOR

FANUC CORPORATION, Yaman...

1. A method for producing a magnet plate for a linear motor, the magnet plate comprising a base plate and a plurality of magnets juxtaposed to one another on a flat surface of the base plate, the method comprising:providing the plurality of magnets on the flat surface of the base plate at a certain interval,
placing the base plate into a mold,
supplying a resin material into the mold, so as to form a resin molding covering the plurality of magnets on the flat surface of the base plate by injection molding,
magnetizing the plurality of magnets, and
heating the base plate, prior to said supplying the resin material into the mold and the injection molding to form the resin molding on the flat surface of the base plate,
wherein the base plate is flat and includes a major side having the flat surface directly supporting a major side of the magnets, and
wherein a protruding part is positioned on the flat surface of the base plate in each gap between two adjacent magnets of the plurality of magnets,
the protruding part extending, in a longitudinal direction of each magnet of the two adjacent magnets, beyond both longitudinal ends of said each magnet.

US Pat. No. 10,693,352

STATORS FOR ELECTRICAL MACHINES

GE Energy Power Conversio...

14. An annular lamination of a stator core comprising:at least one opening defining a part of an axially extending coolant passageway and a first recessed area formed in a first planar surface of the annular lamination and surrounding the opening, the first recessed area defining a sealing recess, the sealing recess is in open communication with a surface of the axially extending coolant passageway, and has an axial width greater than the gap between the first planar surface of the annular lamination and a planar surface of an axially adjacent annular lamination, and is at least partially filled with a cured resin material that defines a plurality of axially spaced seals; and
wherein the annular lamination adapted to be stacked together with other annular laminations to form the stator core.

US Pat. No. 10,693,351

MOTOR DRIVING ASSEMBLY

JOHNSON ELECTRIC INTERNAT...

1. A motor driving assembly comprising a motor, the motor comprising:an outer housing,
a rotor received in the outer housing, the rotor comprising a rotary shaft extending out of the outer housing, a commutator being fixed on a shaft portion of the rotary shaft within the outer housing; and
a brush holder received in the outer housing with brushes for contacting the commutator disposed on the brush holder, and
wherein a visible identification mark fixed relative to the rotary shaft is disposed outside the outer housing of the motor, such that a relative position between the brushes and the commutator in a rotational direction of the rotary shaft is identifiable by reference to a position of the visible identification mark relative to the outer housing in the rotational direction of the rotary shaft;
wherein the motor driving assembly further comprises a worm which is fixedly connected to the shaft portion of the rotary shaft outside the housing for rotation with the rotary shaft, the worm is configured to drivingly connect to a worm gear, and the visible identification mark is disposed on the worm.

US Pat. No. 10,693,350

ELECTRIC MACHINE COOLING SYSTEM AND MOTOR VEHICLE

AUDI AG, Ingolstadt (DE)...

1. An electric machine, comprising:a shaft as well as a cooling system, with at least one cooling channel formed by at least one component of the electric machine, wherein the cooling system is filled with an electrically conductive coolant, wherein the shaft is in electrical contact with the coolant and is grounded via the coolant, wherein the shaft has a shaft cooling channel, wherein the shaft cooling channel extends in the interior of the shaft, is in fluid communication with the cooling system, and is filled with the electrically conductive coolant.

US Pat. No. 10,693,349

LIFE ESTIMATION SYSTEM

SUMITOMO HEAVY INDUSTRIES...

1. A life estimation system that estimates a life of a reduction gear including a reduction mechanism, the system comprising:a sensor that is mounted onto the reduction gear and detects information for identifying a stress generated in a specific part of the reduction gear; and
an estimator that identifies the stress generated in the specific part based on detection information obtained by the sensor and estimates a life of the specific part based on the identified stress,
wherein:
the sensor is mounted onto a part to which a load input from an output side of the reduction mechanism is transmitted without passing through the reduction mechanism,
the estimator estimates a life of a specific part on the output side of the reduction mechanism based on detection information obtained by the sensor,
the reduction gear reduces a speed of rotation of a motor and outputs the rotation, and
the estimator estimates a life of a specific part on an input side of the reduction mechanism based on a value of a current supplied to the motor.

US Pat. No. 10,693,348

ENHANCED EFFICIENCY MOTOR AND DRIVE CIRCUIT

1. A drive circuit for a motor comprising:a power source having a first pole and a second pole;
a phase coil coupled to the first pole of the power source, the phase coil configured to receive electrical energy from the power source to form a magnetic field for imparting motion to a rotor;
a switch coupling the phase coil to the second pole of the power source; and
a battery having a first pole and a second pole, the first pole of the battery configured to receive energy of the magnetic field of the phase coil, the second pole of the battery being coupled to the first pole of the power source and having a polarity that is opposite a polarity of the first pole of the power source;
wherein a voltage of the battery is equal to or less than a voltage of the power source.

US Pat. No. 10,693,347

MOTOR DEVICE AND HEAT DISSIPATION DEVICE

CHICONY POWER TECHNOLOGY ...

1. A motor device, comprising:a motor comprising a plurality of fins separately arranged at a lateral portion of the motor;
a motor driver housing comprising a bottom surface facing the lateral portion of the motor, wherein a gap is provided between the bottom surface and the lateral portion of the motor, and all parts of the motor driver housing do not contact the motor and are not installed at the motor;
a motor control circuit board disposed in the motor driver housing and adjacent to the bottom surface;
a heat dissipation device disposed at an end portion of the motor and connected to the motor driver housing, wherein the heat dissipation device comprises:
a heat dissipation housing comprising an inlet and a first outlet communicating with each other, wherein the first outlet faces the gap between the bottom surface and the lateral portion of the motor, and
a single fan disposed in the heat dissipation housing;
a heat isolation element, wherein two ends of the heat isolation element are respectively connected to the motor and the heat dissipation housing; and
at least a fixing element passing through the heat isolation element and fixing the heat dissipation housing to the end portion of the motor.

US Pat. No. 10,693,346

APPARATUS SUPPLYING ALTERNATING CURRENT FOR A LOAD

1. A mechanical energy storage apparatus, carried by a portable carrier, for supplying alternating current (AC); the apparatus comprising:a) a spring adapted for storing and delivering mechanical energy to a shaft connected to a first gear combination;
b) a second gear combination mechanically connected to the spring for winding the spring;
c) an alternator connected to the first gear combination for generating alternating current (AC) that subsequently flows to:
i) a semiconductor rectifier converting AC to direct current (DC); or
ii) an AC motor adapted to mechanically energize the second gear combination; and
iii) a control module adapted to control the semiconductor rectifier and one or more batteries;
d) the one or more batteries electrically connected with the semiconductor rectifier;
e) an inverter electrically connected to the one or more batteries and adapted to supply AC current to:
i) an AC outlet;
ii) the AC motor; and
iii) the control module;
f) a stop mechanically contacting the second gear combination preventing the spring from unwinding until rotation of the shaft is initiated;
g) the control module connected to the semiconductor rectifier for regulating DC supplied to the one or more batteries and for selectively controlling AC current flow to the AC motor and the AC outlet, wherein the control module further:
i) activates the AC motor to mechanically energize the second gear combination that torques the spring; or
ii) measures voltage stored in the one or more batteries and actuates the AC motor to mechanically energize the second gear combination; or
iii) signals that supplemental energy is required to replenish the one or more batteries and allows a source of supplemental energy, distinct from the apparatus, to supply supplemental energy via an AC inlet of the apparatus, a DC inlet of the apparatus or a crank connected to the first or the second gear combination.

US Pat. No. 10,693,345

BRUSHLESS DC MOTOR CONFIGURATION FOR A POWER TOOL

Milwaukee Electric Tool C...

1. A power tool comprising:a housing;
a brushless direct current (DC) motor within the housing, wherein the brushless DC motor includes a rotor and a stator, wherein the rotor is coupled to a motor shaft to produce a rotational output to a drive mechanism;
a metal end piece positioned at a first end of the brushless DC motor;
a heat sink positioned at a second end of the brushless DC motor opposite the first end, wherein the brushless DC motor is positioned between the heat sink and the metal end piece, wherein the drive mechanism is positioned at the second end of the brushless DC motor;
threaded fastening elements securing the heat sink to the metal end piece, wherein the brushless DC motor has an axial length, and the threaded fastening elements extend the axial length along an outer circumference of the brushless DC motor from the first end to the second end; and
a printed circuit board (PCB) positioned at the second end of the brushless DC motor and secured to the heat sink on a side of the heat sink that is opposite to the brushless DC motor, wherein the PCB includes a Hall sensor, power switching elements, and a through-hole through which the motor shaft extends, wherein the power switching elements are flat-mounted to a surface of the PCB that faces a direction opposite to the heat sink and the brushless DC motor.

US Pat. No. 10,693,344

PACKAGING OF A CONTROL MODULE FOR A BRUSHLESS MOTOR

1. A power tool comprising:a housing;
an electric brushless DC motor disposed within the housing; and
a control unit disposed within the housing and electrically coupled to the motor, the control unit comprising:
a circuit board having a first surface and a second surface;
a first plurality of discrete conductive tracks disposed at or near an edge of the circuit board on the first surface of the circuit board and spaced apart along an axis;
a first main conductive track mounted on the first surface of the circuit board parallel to the axis forming an elongated gap parallel to the axis between the first main conductive track and the first plurality of discrete conductive tracks on the circuit board;
a first plurality of power switches mounted on the first surface of the circuit board, each of the first plurality of power switches including a first portion mounted on the first main conductive track, a second portion mounted on a respective one of the first plurality of discrete conductive tracks, and a third portion mounted on the elongate gap between the first main conductive track and the first plurality of discrete conductive tracks;
a second plurality of power switches mounted on a second surface of the circuit board substantially opposite the first plurality of power switches and electrically coupled to the first plurality of power switches forming an inverter bridge circuit;
a plurality of power terminals arranged on a side edge of the circuit board and coupled to the output of the inverter bridge, the plurality of power terminals being spaced apart along the axis with each power terminals being electrically contacted a respective one of the first plurality of discrete conductive tracks; and
a heat sink including at least one leg mounted on the first main conductive track on the first surface of the circuit board and a main body extending at least partially over at least the first portion of each of the first plurality of power switches;
a second main conductive track mounted on the second surface of the circuit board coupling first nodes of the second plurality of power switches together;
a second plurality of discrete conductive tracks disposed on the second surface of the circuit board substantially opposite the first plurality of discrete conductive tracks parallel to the axis electrically coupling second nodes of the second plurality of power switches to the plurality of power terminals;
a plurality of through-holes through the circuit board between the first and second pluralities of discrete conductive tracks near the side edge of the circuit board, the plurality of power terminals being secured to the plurality of through-holes, wherein the plurality of through-holes comprise conductive vias electrically connecting respective ones of the first and second pluralities of discrete conductive tracks,
wherein each of the plurality of power terminals is mounted over a respective one of the first plurality of conductive tracks and includes a plurality of legs received through the plurality of through-holes and crimped over a respective one of the second plurality of conductive tracks.

US Pat. No. 10,693,343

ELECTROSTATIC GENERATOR/MOTOR ELECTRODES LOCATED ON THE INNER SURFACE OF AN ELECTROMECHANICAL BATTERY ROTOR

Lawrence Livermore Nation...

1. A method, comprising:providing an open cylindrical rotor having an inner wall and a longitudinal axis of rotation (AOR), wherein said inner wall comprises a rotor electrode mounting surface, wherein the distance from said AOR to said mounting surface periodically varies along the length of said AOR, wherein said surface comprises a series of rings attached to said inner wall, wherein said rings are oriented to be perpendicular to said AOR, wherein each ring of said series of rings has a base and a peak, wherein said base is connected to said inner wall, wherein said peak points toward said AOR, wherein said base is wider than said peak, wherein said rotor comprises fibers embedded in an epoxy matrix, wherein said fibers comprise a material selected from the group consisting of E-glass, S-Glass, basalt fibers and carbon fibers and wherein said inner wall is electrically non-conductive;
providing rotor electrodes fixedly attached to said mounting surface, wherein said rotor electrodes have a long dimension that is oriented in the direction of said AOR;
providing a stator located within the hollow portion of said open cylindrical rotor, wherein said stator comprises an outer surface;
providing stator electrode blades attached to said outer surface, wherein said blades extend radially outward from said outer surface and are periodically spaced azimuthally in rows and columns around said outer surface, wherein as said rotor rotates, said rings are unobstructed by said blades; and
rotating said rotor.

US Pat. No. 10,693,342

CONTAINING A FIELD OF FLYWHEEL ENERGY STORAGE UNITS

Amber Kinetics, Inc., Un...

1. A system for containing a field of flywheel units, comprising:a plurality of flywheel units, wherein a flywheel unit includes a flywheel rotor, a motor/alternator coupled to the flywheel rotor, and a housing that encloses the flywheel rotor and the motor/alternator;
a plurality of base plates, wherein each flywheel unit is fixedly attached at a bottom end to a base plate;
a plurality of containment units, each containment unit enclosing a corresponding flywheel unit, wherein each containment unit comprises a cylindrical tube, which surrounds the corresponding flywheel unit, and a cover attached to the tube, wherein the cylindrical tube is a section of pipe culvert, and wherein each containment unit and its corresponding flywheel unit is disposed in a substantially cylindrical hole in the ground, wherein the base plate rests on the ground at the bottom of the hole; and
a fragment containing medium that surrounds each containment unit substantially filling a gap between the containment unit and the inside surface of the hole.

US Pat. No. 10,693,341

MOTOR HUBS FOR SHUTTER MECHANISMS

N2 Imaging Systems, LLC, ...

1. A motor hub system for shutter actuation comprising:a shaft sleeve including a base flange and an externally threaded collet extending axially from the base flange along a rotation axis;
a flanged nut with internal threads in threaded engagement with the collet, wherein the internal threads are in a threaded portion of the flanged nut that extends axially from a flange of the flanged nut; and
a washer compressed axially between the base flange of the shaft sleeve and the flange of the flanged nut.

US Pat. No. 10,693,340

ELECTRICAL ISOLATION OF AN ALTERNATOR

BORGWARNER INC., Auburn ...

1. An alternator for generating electrical power to one or more components of a power network, comprising:a machine portion including a stator, a rotor and a rectifier;
a battery connection terminal connected to the machine portion and configured to be connected to a battery; and
an isolation device integral to the alternator, the isolation device located on an electrical path between at least the machine portion and the battery connection terminal, the isolation device configured to isolate at least one of the alternator and another component of the power network from receiving electric current from the battery based on an undesirable condition occurring in the power network.

US Pat. No. 10,693,339

FIELD WINDING SUPPORT MEMBER FOR SALIENT POLE ROTOR

MEIDENSHA CORPORATION, T...

1. A field winding support member for a salient pole rotor, the salient pole rotor being such that a rotary shaft is equipped with a rotor core comprising a rotor yoke, magnetic pole projection parts and magnetic pole head parts and that a field winding is disposed on a peripheral surface of each magnetic pole projection part, the field winding support member for the salient pole rotor pressing the field windings, which are adjacent to each other in a circumferential direction, outwardly in a radial direction, the field winding support member for the salient pole rotor being characterized by comprising:a coil support body part that is made of an electrical insulation material and is provided with abutment surfaces respectively directly abutting radial inner surfaces of the adjacent field windings and with an insertion hole formed along a radial direction of the rotary shaft;
a headless bolt that has a base end part fixed to the rotor yoke and a tip end part projecting outwardly in a radial direction, the tip end part being inserted into the insertion hole of the coil support body part; and
an elastic body that is interposed between the rotor yoke and the coil support body part and presses the coil support body part toward the field windings,
wherein the coil support body part is formed, on an outside part of the insertion hole in a radial direction of the rotary shaft, with a spot-faced part for securing a creeping distance between the field winding and the bolt, the spot-faced part having a larger diameter than the insertion hole,
wherein the spot-faced part is such that a distance from the field winding to an opening edge of the spot-faced part is shorter than a distance from the field winding to an opening edge of the insertion hole.

US Pat. No. 10,693,338

SYSTEM AND METHOD FOR SUPPRESSING SURFACE DISCHARGES ON CONDUCTIVE WINDINGS OF AN ELECTRIC MACHINE

GENERAL ELECTRIC COMPANY,...

1. A stator assembly of an electric machine, the stator assembly comprising:a stator core comprising a slot extending between a first end and a second end of the stator core, wherein the slot comprises a first slot exit at the first end and a second slot exit at the second end of the stator core;
a plurality of windings, wherein one of the plurality of windings is disposed in the slot and extends from the first slot exit to the second slot exit, and wherein the plurality of windings comprises at least one conductor and an insulation disposed around the at least one conductor; and
a dielectric plate coupled to one of the first slot exit and the second slot exit and configured to suppress surface discharges on windings present at one of the first slot exit and the second slot exit to which the dielectric plate is coupled, wherein the dielectric plate has a predetermined thickness of between 5 millimeters (mm) and 10 mm and a predetermined height of between 10 mm and 30 mm to reduce an electric field strength on a surface of the windings below an air breakdown strength.

US Pat. No. 10,693,337

METHOD FOR MANUFACTURING ARMATURE

MITSUBISHI ELECTRIC CORPO...

1. A method for manufacturing an armature including a core having a plurality of slots provided at a cylindrical inner circumferential part, and coils inserted into the slots, the method being performed by using an annular conductor inserting device, the annular conductor inserting device including:a retention guide portion having support members and a fixation member, the support members being arranged in a cylindrical shape with gaps therebetween in a circumferential direction and one end of each support member being fixed to the fixation member, thus forming a cylindrical part, the cylindrical part configured to be fitted to the inner circumferential part of the core and configured such that positions in the circumferential direction of the gaps coincide with positions of the slots of the core; and
an engagement portion configured to be movable, inside the cylindrical part, in an axial direction of the cylindrical part, the method comprising:
an arrangement step of arranging a necessary number of annular conductors each formed by winding a conductive wire in an annular shape, in the retention guide portion, by combination of: a simple arrangement step of inserting, across a plurality of the support members, a plurality of the annular conductors into the gaps in which the annular conductors have not been inserted yet, thereby arranging the plurality of annular conductors in the retention guide portion; and an overlap arrangement step of inserting another of the annular conductors into others of the gaps across a plurality of the support members so as to partially overlap the previously inserted annular conductor in the axial direction, thereby arranging the other annular conductor in the retention guide portion;
a fitting step of fitting the retention guide portion and the inner circumferential part of the core to each other and causing the positions in the circumferential direction of the gaps to coincide with the positions of the slots; and
an insertion step of moving the engagement portion in the axial direction of the retention guide portion and engaging the engagement portion with the annular conductors arranged in the retention guide portion, to insert the annular conductors into the slots, thereby forming the coils,
wherein the arrangement step includes:
a first-round arrangement step of arranging the annular conductors in the retention guide portion over an entire circumference of the retention guide portion by combination of the simple arrangement step and the overlap arrangement step; and
a second-round arrangement step of, after the annular conductors are arranged in the first-round arrangement step, further arranging the annular conductors in the retention guide portion over the entire circumference of the retention guide portion by combination of the simple arrangement step and the overlap arrangement step, such that, in the simple arrangement step in the second-round arrangement step, another of the annular conductors is inserted into others of the gaps, at a position shifted in the circumferential direction of the retention guide portion so as not to overlap, in the axial direction of the retention guide portion, the annular conductor arranged in the simple arrangement step in the first-round arrangement step, whereby the other annular conductor is arranged in the retention guide portion.

US Pat. No. 10,693,336

WINDING CONFIGURATION ELECTRIC MOTOR

Whirlpool Corporation, B...

1. A stator for a permanent magnet motor, comprising:a yoke comprising an outer support and forming an opening configured to receive a rotor comprising a plurality of permanent magnets disposed in a plurality of rotor slots;
a first tooth extending into the opening and comprising a first stem portion and a first arc portion, wherein the first arc portion extends from the first stem portion over a first extension length forming a first receiving region configured to accommodate a first number of turns of a first stator coil of a first electrical phase of a power supply; and
a second tooth extending into the opening adjacent the first tooth and comprising a second stem portion and a second arc portion, wherein the second arc portion extends from the second stem portion over a second extension length forming a second receiving region configured to accommodate a second number of turns of a second stator coil of a second electrical phase of the power supply;
wherein the first extension length is different than the second extension length, wherein the difference is based on a turn ratio between the first number of turns to the second number of turns, wherein the stator is configured to receive three winding phases comprising the first winding phase, the second winding phase, and a third winding phase, wherein each of the adjacent pairs of the stator teeth comprise two of the three winding phases, and wherein each of the first number of turns and the second number of turns are evenly distributed among the three winding phases connected to the adjacent pairs of stator teeth about the opening formed by the stator.

US Pat. No. 10,693,335

MODIFIED STATOR LEADS AND METHODS OF JOINING STATOR LEADS

1. An electric machine comprising:a stator having a plurality of stator slots;
a plurality of stator windings placed within the plurality of stator slots, each of the plurality of stator windings having a lead extending beyond an end face of the stator; and
a bus bar in physical contact with a first surface of a lead of a stator winding of the plurality of stator windings, wherein a second surface of the lead opposite the first surface comprises a surface modification relative to the first surface, the bus bar comprising a bus bar slot sized to receive the lead and configured to physically and electrically couple to a bend in the lead of the stator winding.

US Pat. No. 10,693,334

ELECTRIC ROTARY MACHINE

DAIKIN INDUSTRIES, LTD., ...

1. A electric rotary machine, comprising:at least one field winding supplied with direct current;
at least one armature winding supplied with alternative current;
a stator core formed into a circular shape having a plurality of field slots and a plurality of armature slots arranged side by side in a circumferential direction, the field slots being slots in which the field windings are arranged, the armature slots being slots in which the armature windings are arranged;
at least one permanent magnet housed in each of the field slots;
a rotor core facing the stator core with a predetermined air gap interposed therebetween; and
a first winding and at least one second winding constituting one of the armature windings, the first winding passing over the permanent magnet, the second windings each having a part embedded between a coil end of the field winding and a teeth around which the field winding is around.

US Pat. No. 10,693,333

WASHING MACHINE APPLIANCE AND REGULATOR ASSEMBLY

Haier US Appliance Soluti...

1. A washing machine appliance comprising:a cabinet;
a wash tub positioned within the cabinet;
a wash basket rotatably mounted within the wash tub, the wash basket defining a wash chamber for receiving articles for washing;
a fluid supply conduit extending between a water supply and the wash tub; and
an inductive regulator positioned along the fluid supply conduit downstream from the water supply, the inductive regulator comprising
a regulator body defining an enclosed cavity extending between a regulator inlet and a regulator outlet,
a rotor rotatably disposed within the regulator body,
a magnetic element attached to the rotor to rotate therewith, and
an electrical stator disposed outside of the enclosed cavity in selective magnetic communication with the magnetic element.

US Pat. No. 10,693,332

ROTOR OF AN ELECTRIC MACHINE, ELECTRIC MACHINE, AND METHOD FOR PRODUCING A ROTOR OF AN ELECTRIC MACHINE

VOLKSWAGEN AKTIENGESELLSC...

1. A rotor of an electric machine, said rotor havinga first rotor segment;
a second rotor segment connected onto the first rotor segment, wherein the second rotor segment is twisted relative to the first rotor segment by a first twist angle;
a third rotor segment connected onto the second rotor segment, wherein the third rotor segment is twisted relative to the second rotor segment by a second twist angle that differs from the first twist angle;
a fourth rotor segment connected onto the third rotor segment, wherein the fourth rotor segment is twisted relative to the third rotor segment by the second twist angle; and
a fifth rotor segment connected onto the fourth rotor segment, wherein the fifth rotor segment is twisted relative to the fourth rotor segment by the first twist angle; wherein each of the first rotor segment, second rotor segment, third rotor segment, fourth rotor segment and fifth rotor segment have a curved surface as well as a permanent-magnet structure arranged on a circumferential surface that is oriented coaxially to the curved surface;
wherein a contour of the permanent-magnet structure has a stepped section with several steps, wherein each step has a first extension that is oriented essentially perpendicularly to a circumferential direction of the circumferential surface as well as a second extension that is oriented parallel to the circumferential direction and that connects the first extension to a first extension of an adjacent step,
wherein the first extension of a first step differs from the first extension of a second step that is adjacent to the first step, and
wherein the second extension of the first step differs from the second extension of the second step.

US Pat. No. 10,693,331

SYNCHRONOUS MACHINE WITH MAGNETIC ROTATING FIELD REDUCTION AND FLUX CONCENTRATION

EMF 97 Elektro-Maschinen-...

1. A synchronous machine, comprising:at least one stator with a polyphase winding with a number of poles 2p>4, wherein a number of poles is twice a number of pole pairs p, the winding is arranged in n grooves in the at least one stator and designed to generate a magnetic rotating field,
flux guide regions provided between the grooves of the at least one stator for guiding the magnetic rotating field, which comprise a ferromagnetic material,
at least one rotor arranged on an axis of rotation, which is relatives to at least one stator, rotatably arranged forming an air gap and the at least one rotor has regions with permanent magnets facing towards the at least one stator and the permanent magnets are arranged evenly distributed in angular ranges in the circumferential direction with respect to the direction of rotation of the rotor,
wherein the permanent magnets are magnetized in a direction of the flux guide regions of the at least one stator or in the opposite direction thereto,
wherein the at least one rotor has flux guide regions arranged between the permanent magnets, the flux guide regions serve to guide the magnetic flux from or into the at least one rotor,
wherein the flux guide regions of the at least one rotor comprise a ferromagnetic material,
wherein the at least one rotor is provided with at least one additional permanent magnet with a generated magnetic flux that is at least partially guided via the flux guide regions of the rotor,
wherein the magnetic flux of the additional permanent magnet in the flux guide regions of the rotor has a direction opposite to the magnetization direction of the permanent magnets of the rotor, and
wherein a number of magnetic poles of the rotating field 2p2 is twice a number of grooves n of the at least stator, and
a number of magnetic poles of the at least one rotor 2p3 is:
2p3=2p2?2p
where 2p is the number of poles of the at least one stator, and 2p2 is the number of magnetic poles of the rotating field of the at least one rotor.

US Pat. No. 10,693,330

ELECTRIC MOTOR

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

1. An electric motor comprising:a rotor including a permanent magnet; and
a stator core formed in an annular shape enclosing the rotor, and including a plurality of tooth portions projecting toward the rotor,
wherein on an outer circumference of the rotor, a groove portion recessed in a radial direction of the rotor is formed in a cross section perpendicular to the axial direction of the rotor,
wherein the tooth portion includes stator protrusion portions protruding to both sides in a circumferential direction of the rotor at a tip portion and holding a wound coil,
wherein a ratio B/A, which is a ratio of a width B in the circumferential direction including the tooth portion and the stator protrusion portions with respect to a width A of the tooth portion in the circumferential direction, is within a range from 1.25 or more to 1.35 or less,
wherein an angle formed by a virtual line connecting a bottom point of the groove portion and a center of the rotor and another virtual line connecting a magnetic pole center closest to the bottom point and the center of the rotor is an angle from 30% to 47% or less when an electric angle of 90 degrees is defined as 100%, and
wherein a width of the stator protrusion portion in the circumferential direction of the rotor is narrower at an inside of the radial direction than an outside of the radial direction.

US Pat. No. 10,693,329

POLYPHASE CLAW POLE MOTOR AND STATOR OF THE POLYPHASE CLAW POLE MOTOR

NSK LTD., Tokyo (JP)

1. A polyphase claw pole motor comprising a stator that includes: a compressed-powder member formed of a compression molded product of magnetic powder; and a metal member, wherein:at least claws of a claw pole of the stator are constituted by the compressed-powder member;
a part or an entire of an annular part located on a radially outer side of the claws of the claw pole is constituted by the metal member; and
a plurality of the annular parts are disposed in an axial direction of the polyphase claw pole motor,
the polyphase claw pole motor further comprises a magnetic-path defining member to form a magnetic path in the axial direction between the plurality of annular parts, the magnetic-path defining member including an outer peripheral core disposed on a radially outer side of the annular part;
the outer peripheral core is formed of a soft-magnetic sheet;
the soft-magnetic sheet is formed of laminated sheets stacked in a circumferential direction of the polyphase claw pole motor; and
the claw pole has a flat surface on an outer peripheral surface, and the outer peripheral core has a contact surface extending in the axial direction so as to be in contact with the flat surface, the contact surface and the outer peripheral surface of the claw pole having mutually engaging shapes.

US Pat. No. 10,693,328

WIRELESS POWER TRANSFER STANDARD SELECTOR OF POWER RECEIVING UNIT AND METHOD THEREFOR

MAPS, INC., Yongin-si (K...

1. A wireless power transfer standard selector of a power receiving unit, comprising: a frequency detector configured to detect an input frequency of a rectifier; a booting trial counter configured to count a number of booting times in which an output voltage of a power converter is generated and disappears, and to store the counted number of booting times; anda selector configured to select a wireless power transfer standard method by using the detected input frequency and the counted number of booting times,
wherein the selector is further configured to:
primarily select a Qi protocol or a Power Matters Alliance (PMA) type 2 protocol as a protocol for communication with a wireless power transmitter transmitting power in a wireless manner through an antenna when the detected input frequency is less than or equal to 200 kHz;
in response to selecting the Qi protocol in the primary selection, finally select the Qi protocol when the counted number of booting times is one, and finally select the PMA type 2 protocol when the counted number of booting times is two; and
in response to selecting the PMA type 2 protocol in the primary selection, finally select the PMA type 2 protocol when the counted number of booting times is one, and finally select the Qi protocol when the counted number of booting times is two.

US Pat. No. 10,693,327

WIRELESS POWER TRANSMITTER

WITS Co., Ltd., Gyeonggi...

1. A wireless power transmitter, comprising:a power transmitting coil configured to receive alternating current (AC) power applied thereto and wirelessly transmit the AC power;
a sensing device configured to output one or more sensing signals comprising magnitudes that are variable based on an approach of an object; and
a circuitry configured to determine whether an acknowledgement signal has been received from a wireless power receiver and whether a foreign object has entered a region of the wireless power transmitter based on a change in the magnitudes of the one or more sensing signals, and configured to control transmission of the AC power through the power transmitting coil based on a result of the determining of whether the acknowledgement signal has been received from the wireless power receiver and whether the foreign object has entered the region of the wireless power transmitter,
wherein the circuitry is configured to determine a number of wireless power receivers disposed in the region using a sum of the magnitudes of the one or more sensing signals.

US Pat. No. 10,693,326

WIRELESS POWER RECEIVING APPARATUS CONTROLLING EFFECTIVE LOAD RESISTANCE, AND EFFECTIVE LOAD RESISTANCE CONTROL METHOD

Electronics and Telecommu...

1. A wireless power receiving apparatus comprising:a rectifier configured to generate a rectified voltage based on a magnetic field generated in a wireless power transmitting apparatus; and
a controller configured to transmit, to the rectifier, a control signal for controlling a rectified phase of the rectifier to adjust an effective load resistance of the wireless power receiving apparatus,
wherein the effective load resistance of the wireless power receiving apparatus is determined based on a load resistance and a point in time at which a gate operation of the rectifier is turned on,
wherein the controller detects a magnitude and a phase of the rectified voltage generated by the rectifier,
wherein the rectifier adjusts a phase of a voltage for the rectifier and controls the point in time at which the gate operation is turned on.

US Pat. No. 10,693,325

CONTACTLESS POWER TRANSFER APPARATUS

Hosiden Corporation, Osa...

1. A contactless power transfer apparatus comprising:an E-class amplifier having a coil configured to store an amount of energy for use in contactless power transfer and a field-effect transistor for controlling a current that flows in the coil;an arrester provided between a drain terminal and a source terminal of the field-effect transistor and configured to be operated in response to application of a voltage having a voltage value lower than an absolute maximum rated voltage value between the drain and the source of the field-effect transistor; and
a light detection section for detecting light emitted from the arrestor at the time of operation of this arrestor.

US Pat. No. 10,693,324

MONITORING DEVICE FOR MONITORING AN INDUCTIVE ENERGY TRANSMISSION DEVICE

Robert Bosch GmbH, Stutt...

1. A monitoring device (13) for monitoring a device (10) for inductive energy transmission from at least one transmitting coil (11) to at least one receiving coil (12) spaced apart from the at least one transmitting coil (11), wherein the monitoring device (13) comprises a coil array (15) which has individual coils (16.1, 16.2, . . . 16.n) and is configured to monitor an intermediate space (14) between the at least one transmitting coil (11) and the at least one receiving coil (12), characterized in that the individual coils (16.1, 16.2, . . . 16.n) are configured to be driven individually, such that a detection height can thus be variably adjusted, wherein the individual coils (16.1, 16.2, . . . 16.n) of the coil array (15) are interconnected in such a way that in the event that an individual coil fails, the remaining individual coils (16.1, 16.2, . . . 16.n) are so interconnected through partial switching on and off that the remaining coils form symmetric meshes, or a symmetric, closed line of edges and nodes.

US Pat. No. 10,693,323

WIRELESS INDUCTIVE POWER TRANSFER

Koninklijke Philips N.V.,...

1. A power transmitter for inductively transferring power to a power receiver, the power transmitter comprising:a resonance circuit comprising a transmitter coil for generating a power transfer signal for wirelessly transferring power to the power receiver;
a driver for generating a drive signal for the resonance circuit, the drive signal having a drive frequency;
an error unit arranged to determine a coil current error indication being indicative of a difference between a measured current for the transmitter coil and a target current for the transmitter coil;
a receiver for receiving messages load modulated onto the power transfer signal by the power receiver during communication time intervals; and
a control loop arranged to control the current through the transmitter coil in response to the coil current error indication, the control loop being arranged to be active during communication time intervals; and
wherein, at least during communication time intervals, a loop response of the control loop is attenuated for coil current error indications in a reduced control range relative to coil current error indications outside the reduced control range, the reduced control range comprising a coil current error indication value corresponding to zero coil current error.

US Pat. No. 10,693,322

WIRELESS POWER TRANSFER CONTROL METHOD AND WIRELESS POWER TRANSFER SYSTEM

FUJITSU LIMITED, Kawasak...

1. A wireless power transfer control method for a system including at least one power source and at least two power receivers, wirelessly transfers power from the at least one power source to each of the at least two power receivers using one of magnetic field resonance and electric field resonance, comprising:a simultaneous power transfer mode in which power is simultaneously transferred to the at least two power receivers; and
a time-division power transfer mode in which power is sequentially transferred to the at least two power receivers by time-division switching, wherein the wireless power transfer control method comprises:
setting an evaluation index for each of the at least two power receivers; and
performing wireless power transfer by switching between the simultaneous power transfer mode and the time-division power transfer mode, on a basis of the evaluation index, wherein
the evaluation index is calculated on the basis of
a first index indicating a degree of coupling of electromagnetic fields in the at least one power source and an interval between the at least two power receivers, and
a second index indicating a degree of loss of the electromagnetic fields in the at least one power source and the interval between the at least two power receivers, wherein
the first index comprises a k value,
the second index comprises a Q value, and
the evaluation index is calculated as a product of the k value and the Q value, and wherein
the k value is calculated on the basis of specification information defined between the the at least one power source and the at least two power receivers and a relative positional relationship between the at least one power source and the at least two power receivers.

US Pat. No. 10,693,321

INDUCTIVE POWER TRANSFER USING DIVERTED MAGNETIC FIELD

THE HONG KONG POLYTECHNIC...

1. A wireless power transfer (WPT) system comprising at least one power-transmitting unit and at least one power-receiving unit, an individual power-transmitting unit comprising:a loop-shaped magnetic core comprising one or more high-permeability (HP) core sections and one or more low-permeability (LP) core sections, the one or more HP core sections having a relative permeability higher than a relative permeability of the one or more LP core sections, all the HP and LP core sections being alternately arranged to form an interleaving pattern in forming the magnetic core; and
a primary coil wound on the magnetic core for generating a magnetic flux in the magnetic core upon the primary coil being excited by an alternating current (AC) power source;
an individual power-receiving unit comprising:
a pickup core configured to overlie a first LP core section selected from the one or more LP core sections, the first LP core section connecting to two connecting surfaces of respective one or two HP core sections immediately adjacent to the first LP core section, the pickup core being further configured to partially overlap said respective one or two HP core sections around the two connecting surfaces, the pickup core having a relative permeability higher than the relative permeability of the first LP core section so as to cause at least a part of the magnetic flux to divert from the first LP core section to the pickup core when the individual power-receiving unit is parked adjacent to the individual power-transmitting unit such that the pickup core overlies the first LP core section and partially overlaps said respective one or two HP core sections; and
a secondary pickup coil wound on the pickup core for inductively generating electrical power from the diverted part of magnetic flux, enabling electrical power supplied by the AC power source to be wirelessly delivered to the individual power-receiving unit.

US Pat. No. 10,693,320

WIRELESS CHARGING

Hewlett-Packard Developme...

7. A method for wireless powering of a computing system, the method comprising:detecting a power transmit unit (PTU) is in a power transfer field of the computing system, based on a receipt of a charging notification from the PTU;
in response to detecting that the PTU is in the power transfer field, ascertaining whether a near field communication (NFC) component of the computing system is in an active state in which NFC functionalities of the computing system are enabled; and
in response to ascertaining that the NFC component is in the active state responsive to detecting that the PTU is in the power transfer field, switching the NFC component to an inactive state for disabling the NFC functionalities of the computing system while wireless charging of the computing system is occurring via the computing system wirelessly receiving power from the PTU.

US Pat. No. 10,693,319

WIRELESS CHARGING PAD INCLUDING PLURALITY OF SMALL POWER TRANSMISSION COILS AND DEVICE FOR AND METHOD OF DRIVING WIRELESS CHARGING PAD IN WIRELESS POWER TRANSMISSION SYSTEM

UNIVERSITY-INDUSTRY COOPE...

1. A wireless charging apparatus comprising a plurality of small power transmission coils, wherein the wireless charging apparatus comprises:a wireless charging pad including the plurality of small power transmission coils, wherein the plurality of small power transmission coils are arranged in a tessellation structure not to overlap on the wireless charging pad;
a scanning controller configured to scan the plurality of small power transmission coils, wherein the scanning controller sequentially scans the plurality of small power transmission coils or sequentially scans a plurality of preset sample coils among the plurality of small power transmission coils;
a coil determiner configured to determine target power transmission coils to be driven and positioned under a charging target device and power transmission coils surrounding the target power transmission coils among the plurality of small power transmission coils based on a scanning result of the scanning controller;
a driving controller configured to generate a first control signal so as to apply a first driving voltage having a first phase to the target power transmission coils to be driven and generate a second control signal so as to apply a second driving voltage having a phase different from the first phase to the power transmission coils surrounding the target power transmission coils to be driven; and
a coil driver configured to apply the first and second driving signals to the wireless charging pad,
wherein a power transmission coil of the plurality of small power transmission coils is constituted of a circularly wound helical coil having a radius of 3 to 10 mm and a height of 10 to 20 mm and a ferrite core located inside the helical coil,
wherein the plurality of small power transmission coils are configured to include the target power transmission coils to be driven and the power transmission coils surrounding the target power transmission coils,
wherein the wireless charging pad is configured to be extended by connecting a plurality of driving modules configured to be respectively connected to the small power transmission coils, and
wherein the small power transmission coils are configured to be linearly extended by connecting driving controllers, as shift registers, in a cascade form.

US Pat. No. 10,693,318

ENERGY MANAGEMENT SYSTEM, ENERGY MANAGEMENT METHOD, AND PROGRAM

Yokogawa Electric Corpora...

1. An energy management system comprising:a collector configured to collect information regarding energy efficiency of a production apparatus; and
a processor configured to perform at least one of monitoring, simulation, and optimization of energy efficiency in production activity performed by the production apparatus, on the basis of the information regarding energy efficiency collected by the collector, using a plurality of modeling units in which information regarding energy efficiency of constituent elements of the production apparatus are modeled on the basis of a predefined rule,
wherein each modeling unit comprises: an input component obtained by modeling a portion which is input to the production apparatus; an output component obtained by modeling a portion which is output from the production apparatus; and a consumption component obtained by modeling a component consumed between input to and output from the production apparatus,
wherein each modeling unit comprises, as attributes indicating a feature or a state of the modeling unit, an input attribute relating to input to the modeling unit, an output attribute related to output from the modeling unit, and a consumption attribute related to consumption between input to and output from the modeling unit,
wherein each of the attributes of the modeling unit includes information in which type information indicating a type of flow is associated with amount information indicating an amount of the flow for the type of flow of a target which is input to the modeling unit,
wherein the plurality of modeling units are combined with each other by connecting the output component of a first modeling unit to the input component of a second modeling unit having the input attribute including the same type of the flow as a type of the flow of the output attribute of the output component of the first modeling unit,
wherein the plurality of combined modeling units are collected into a single modeling unit as a higher-rank modeling unit, and the higher-rank modeling unit including an input component, an output component, and a consumption component,
wherein an input component, an output component, and a consumption component which are not used in connection between the plurality of combined modeling units in the higher-rank modeling unit are respectively connected to the input component, the output component, and the consumption component of the higher-rank modeling unit, and
wherein the input attribute, the output attribute, and the consumption attribute respectively corresponding to the input component, the output component, the consumption component connected to the input component, the output component and the consumption component of the higher-rank modeling unit are respectively used as the input attribute, the output attribute, and the consumption attribute respectively corresponding to the input component, the output component, the consumption component of the higher-rank modeling unit.

US Pat. No. 10,693,317

SERVER AND HOME APPLIANCE HAVING POWER DEMAND MANAGEMENT FUNCTION AND METHOD OF MANAGING POWER USAGE THEREOF

Encored Technologies, Inc...

1. A power demand management system comprising:a plurality of power-prepaid appliances; and
a power demand management server,
wherein each of the power-prepaid appliances comprises:
an authenticator which manages an authentication key;
a control setting unit which receives a power consumption control signal containing a power reduction amount from the power demand management server and to set control information according to the power reduction amount; and
an operation control signal generator which generates an operation control signal based on the control information selected by the control setting unit, and
the power demand management server comprises:
a memory for storing during an authentication period in which each user of each of the power-prepaid appliances delegates a control authority to the electric power sales company, wherein each of the power-prepaid appliances is controlled based on the control authority;
a demand resource allocator which allocates the power reduction amount to each of the power-prepaid appliances in the authentication period and generate the power consumption control signal containing the power reduction amount in the authentication period;
a security unit which encrypts the power consumption control signal based on the authentication key of each of the power-prepaid appliances and send the power consumption control signal to each of the power-prepaid appliances; and
a reduction manager which monitors a reduction in power consumption depending on the power consumption control signal;
wherein the control setting unit sets the control information based on a plurality of items of unit information comprising setting information, environment information, and power consumption; and
wherein the control setting unit specifies current unit information among the plurality of items of unit information based on current setting information and current environment information and selects a plurality of unit information control candidates from among the plurality of items of unit information such that a difference between environment information of the current unit information and environment information of each of the unit information control candidates is within a predetermined tolerance.

US Pat. No. 10,693,316

UNINTERRUPTIBLE POWER SUPPLY

FUJI ELECTRIC CO., LTD., ...

1. An uninterruptible power supply, comprising:an input transformer connected to an input node that is configured to be connected to an AC power supply so as to transform AC voltage from the AC power supply;
a converter receiving the transformed AC voltage to convert the transformed AC voltage to DC voltage;
an inverter that converts the DC voltage from the converter to AC voltage for supplying to a load;
a DC power supply that is connected between the converter and the inverter so as to supply power to the load through the inverter when the AC power supply is determined to be abnormal and is deactivated;
a current detector that detects current flowing between the AC power supply and the converter; and
one or more processors that perform the following:
extracting a DC component from the detected current flowing between the AC power supply and the converter; and
when the extracted DC component is greater than a prescribed threshold current, causing the converter to stop operating and causing DC voltage from the DC power supply to be supplied to the inverter.

US Pat. No. 10,693,315

NON GRID-TIED VEHICLE-SOLAR UNINTERRUPTABLE POWER SYSTEM

1. A system comprising,a storage battery to store DC electric energy connected to a DC node, which in turn is connected to,
an inverter to convert DC electric energy from said storage battery to AC electric energy to provide uninterrupted electrical power to critical loads supplied by one or more electrical service panels and receptacles,
a battery charger to recharge said storage battery from an electric power grid supplying AC electric energy, said battery charger being the sole connection between the system and the grid through which by virtue of the one-way design of the charger there is no possibility of electric energy being fed back to the grid from the DC node,
a solar panel and battery charge controller or an array of said panels and battery charge controllers, said panels or array being sized to provide the average electric energy demand of the critical loads, and
a DC connection to a storage battery of an Electric Vehicle to supplement the energy storage capacity of said system storage battery.

US Pat. No. 10,693,314

ELECTRIC DISTRIBUTION ARCHITECTURE

GE Aviation Systems Limit...

1. An electric distribution architecture comprising:a main bus for delivering current from a main source to a set of distributed loads at a first voltage wherein a subset of the set of distributed loads requires a second voltage lower than the first voltage;
a distribution unit connected between the main bus and each load of the subset, the distribution unit including a voltage converter for converting the first voltage to the second voltage;
a battery bus for delivering current to the subset at the second voltage from a battery when the main bus is not operating; and
wherein the battery bus operates at a third voltage higher than the second voltage on the battery bus, wherein the voltage converter converts the third voltage to the second voltage for the subset when the main bus is not operating, and wherein the battery bus has a weight adequate to accommodate a current at the third voltage.

US Pat. No. 10,693,313

POWER APPARATUS OPERATING METHOD, POWER APPARATUS, AND POWER APPARATUS MANAGEMENT SYSTEM

INDUSTRIAL TECHNOLOGY RES...

1. A power apparatus management system, comprising:a power apparatus module, including one or more power apparatuses, and being configured to provide and/or receive a preconfigured load of a preconfigured device; and
at least one control module, configured to transmit at least one control signal to manage operations of at least one of the one or more power apparatuses, with each power apparatus comprising:
a positive terminal and a negative terminal;
a battery module, comprising one or more batteries, and being configured to electrically couple to the negative terminal;
a battery module controller, configured to electrically couple to the battery module; and
a first switch and a second switch, wherein each of the first switch and the second switch has a first end, a second end and a third end, with the first end and the second end be respectively electrically coupled to the battery module controller and the positive terminal, the third end of the first switch electrically coupled to the battery module and the third end of the second switch electrically coupled to the negative terminal;
wherein between the positive terminal and the negative terminal, there are an enable route flowing through the battery module and a bypass route not flowing through the battery module, and
the battery module controller is configured to:
sense an enable route current flowing through the enable route and a bypass route current flowing through the bypass route; and
control a driving of the first switch and a driving of the second switch by using a negative feedback control and an open loop control, to perform a current switching between an enable mode and a bypass mode of the at least one of the one or more power apparatuses, based on a mode switching signal of said at least one control signal that received, the enable route current and the bypass route current, wherein the enable mode uses the at least one of the one or more power apparatuses and the bypass mode bypasses the at least one of the one or more power apparatuses.

US Pat. No. 10,693,312

ENERGY EFFICIENT ELECTRICAL SYSTEMS AND METHODS FOR MODULAR DATA CENTERS AND MODULAR DATA PODS

INERTECH IP LLC, Plano, ...

1. A modular system for supplying DC power to at least one server, comprising:a DC uninterruptible power supply (UPS) including:
an AC-DC converter; and
an energy storage device electrically coupled to an output of the AC-DC converter; and
a high-frequency DC-DC converter directly connected to the output of the AC-DC converter of the DC UPS, the high-frequency DC-DC converter including a plurality of MOSFETs and a zero-voltage switching controller electrically coupled to the plurality of MOSFETs to output a plurality of DC voltages from the high frequency DC-DC converter,
wherein a single power conversion is performed between the energy storage device and the at least one server.

US Pat. No. 10,693,311

CHARGING DEVICE

MIRAI-LABO KABUSHIKI KAIS...

1. A charging device configured to charge a secondary battery with electric power generated by a solar cell, comprising:a charging control unit connected to the solar cell, the charging control unit being configured to:
control the electric power generated by the solar cell to have a current value and/or a voltage value suitable for charging; and
supply the controlled electric power to the secondary battery;
a step-up power supply connected to the solar cell and further connected, via a terminal section, to the secondary battery, the step-up power supply being configured to boost the electric power from the solar cell; and
a start-up control unit connected to the charging control unit and further connected, via the terminal section, to the secondary battery,
wherein the start-up control unit connects the step-up power supply and the charging control unit when charging is started and supplies the boosted electric power to the charging control unit so as to start up the charging control unit,
wherein the step-up power supply is connected between the solar cell and the terminal section along a first circuit path, the charging control unit is connected between the solar cell and the terminal section along a second circuit path different than the first circuit path.

US Pat. No. 10,693,310

HICCUP CHARGER

Sargent Manufacturing Com...

1. An electrical door lock comprising:at least one power source;
at least one voltage regulator in electrical communication with the at least one power source;
one or more capacitors in electrical communication with the at least one voltage regulator; and
one or more electrical loads of the electrical door lock in electrical communication with the one or more capacitors, wherein when a voltage of the one or more capacitors is less than a first voltage threshold the at least one voltage regulator supplies power from the at least one power source to the one or more capacitors, and wherein when the voltage of the one or more capacitors is greater than a second voltage threshold that is greater than the first voltage threshold, the at least one voltage regulator stops the supply of power from the at least one power source to the one or more capacitors.

US Pat. No. 10,693,309

HEADSET WIRELESS CHARGING DOCK

Voyetra Turtle Beach, Inc...

1. A system for headset charging, the system comprising:a charging dock comprising a radio and a coil, said charging dock being operable to:
sense a presence of a headset;
wirelessly charge a battery in the headset utilizing the coil; and
wirelessly communicate a command, using the radio, to the headset to power down at least a portion of circuitry in the headset during the charging.

US Pat. No. 10,693,308

INTERCONNECTIONS FOR MULTI-LAYER TRANSMITTER COIL ARRANGEMENTS IN WIRELESS CHARGING MATS

Apple Inc., Cupertino, C...

1. A wireless charging device comprising:a housing having a charging surface, the housing including first and second walls defining an interior cavity;
a transmitter coil arrangement disposed within the interior cavity, the transmitter coil arrangement including a plurality of transmitter coils arranged in at least a top layer, a bottom layer, and a middle layer between the top and bottom layers, and positioned within the interior cavity in an overlapping arrangement such that different coils in the plurality of transmitter coils are on different planes and each of the plurality of transmitter coils has a central axis positioned a lateral distance away from the central axes of all other transmitter coils of the plurality of transmitter coils;
a plurality of cowlings for confining the plurality of transmitter coils in their respective positions;
an interconnection structure positioned within the interior cavity between the transmitter coil arrangement and the second wall, the interconnection structure comprising a plurality of packaged electrical components mounted onto the interconnection structure; and
a plurality of standoffs coupled to the interconnection structure and configured to electrically couple the transmitter coil arrangement to the plurality of packaged electrical components, wherein the plurality of standoffs includes:
a first standoff extending through the middle layer and the bottom layer and coupling the interconnection structure to a transmitter coil in the top layer;
a second standoff extending through the bottom layer and coupling the interconnection structure to a transmitter coil in the middle layer; and
a third standoff coupling the interconnection structure to a transmitter coil in the bottom layer.

US Pat. No. 10,693,307

THREE PHASE CHARGER ACCOMMODATING WIDE INPUT VOLTAGE RANGE WITH FLEXIBLE SINGLE PHASE INPUT OPTIONS

1. A system for charging a battery from a three phase grid supply AC voltage wherein the grid supply supplies varying voltage levels, the system comprising:a full wave bridge rectifier receiving the AC supply voltage and outputting unregulated DC voltage;
two DC to DC converters receiving the unregulated DC voltage from the rectifier;
a first switch connected to a first input line of a first one of the two DC to DC converters; and
a second switch connected to a first input line of a second one of the two DC to DC converters, wherein the switches are set to a first position when the supply voltage is at a lower one of the varying voltage levels, and to a second position when the supply voltage is at a higher one of the varying voltage level;
wherein a second input line of the first converter of the pair of DC to DC converters is connected to a positive voltage output of the rectifier and the second input line of the second converter of the pair of DC to DC converters is connected to a negative voltage output of the rectifier; and
wherein when each of the switches is set to the second position, the first input line of each of the two DC to DC converters is connected to a neutral line of the phase grid supply via the respective switch.

US Pat. No. 10,693,306

CIRCUIT AND MUSICAL INSTRUMENT

YAMAHA CORPORATION, Hama...

1. A circuit comprising:a signal processor configured to perform a signal processing;
an amplifier configured to amplify a signal output from the signal processor;
a first power supply path connecting a battery to the signal processor;
a second power supply path connecting the battery to the amplifier;
a capacitor connected to the second power supply path and configured to supply power to the amplifier; and
a power limiter connected to the second power supply path and configured to limit input power supplied from the battery,
wherein the power limiter includes a calculator and a voltage converter having a voltage feedback terminal; and
wherein the calculator is configured to input, to the voltage feedback terminal, a voltage feedback signal based on a charging voltage of the capacitor or a power feedback signal based on the input power, whichever is higher in voltage.

US Pat. No. 10,693,305

DEVICE FOR CHARGING AND DISCHARGING A CAPACITIVE LOAD

Vitesco Technologies GmbH...

1. A device for charging and discharging a capacitive load, comprising:a first capacitor with a first and a second supply terminal,
a down-up converter with a first and a second input terminal which are connected to the first and the second supply terminals, respectively, of the first capacitor, wherein the second input terminal of the converter is connected to a ground terminal, the converter comprising a series circuit of a first and a second switching element arranged between the first and the second input terminals, and a main coil connected to a connecting point of the two switching elements such that the connecting point is connected to a first output terminal of the converter through the main coil, and a second output terminal of the converter is connected to the ground terminal,
an output circuit corresponding to a capacitive load of the converter, the capacitive load arranged between a first and a second output circuit terminal the first and second output circuit terminals are connected to the output terminals of the converter,
a discharge circuit formed with the output circuit, the main coil and the second switching element, the discharge circuit comprising an additional capacitor,
a charging circuit connected to the additional capacitor, the charging circuit charging the additional capacitor to a specified voltage, wherein the polarity of the voltage of the additional capacitor corresponds to the load voltage across the capacitive load in the charged state of the capacitive load, and
further comprising a filter circuit arranged between the down-up converter and the output circuit, and the additional capacitor is arranged between the filter circuit and the output circuit.

US Pat. No. 10,693,304

ENERGY STORAGE SYSTEM WITH IMPROVED OPERATING TIME AND OPERATION METHOD THEREOF

Industry-Academic Coopera...

1. An energy storage system for charging or discharging power generated by a power plant, the energy storage system comprising:a battery configured to charge or discharge power;
a battery monitor configured to monitor a state of the battery;
a power system monitor configured to monitor a state of a power system; and
a charge/discharge controller configured to control an amount of charging power or an amount of discharging power of the battery using a state of charge of the battery detected by the battery monitor and the state of the power system detected by the power system monitor,
wherein the charge/discharge controller uses a preset control adjustment line when controlling the amount of charging power or the amount of discharging power, the control adjustment line including an upper limit adjustment line and a lower limit adjustment line,
wherein the charge/discharge controller reduces the amount of charging power when controlling the amount of charging power and the state of charge of the battery is a value of the upper limit adjustment line or more, and reduces the amount of discharging power when controlling the amount of discharging power and the state of charge of the battery is a value of the lower limit adjustment line or less,
wherein the charge/discharge controller calculates a scale amount of charging power reduction of the battery using the state of charge of the battery, a maximum charge amount of the battery, and a battery charge variable when controlling the amount of charging power, and calculates a scale amount of discharging power reduction of the battery using the state of charge of the battery, a maximum discharge amount of the battery, and a battery discharge variable when controlling the amount of discharging power.

US Pat. No. 10,693,303

MULTI-FUNCTIONAL PORTABLE POWER CHARGER

HALO INTERNATIONAL SEZC L...

1. A portable charger capable of outputting both AC and DC power, comprising:a charger battery;
a USB power circuit operatively electrically connected with the charger battery and also with a USB power outlet;
an AC inverter circuit operatively electrically connected with the charger battery and with a wireless transmitter and an AC power outlet;
a jump start circuit operatively electrically connected with the charger battery and with an ignition power outlet, said ignition power outlet comprising a positive power socket, a negative power socket, a positive sensing socket and a negative sensing socket, wherein the positive and negative sensing sockets are electrically isolated from the positive and negative power sockets; and
a microcontroller configured to establish or interrupt the operative electrical connections of the USB power circuit, the AC inverter circuit and the jump start circuit with the ignition power outlet in response to system parameters,
wherein the microcontroller senses voltage across the positive and negative sensing sockets and is configured to interrupt the operative electrical connection of the jump start circuit to the ignition power outlet until proper voltage is sensed across the positive and negative sensing sockets.

US Pat. No. 10,693,302

DC-DC CONVERSION FOR MULTI-CELL BATTERIES

Dialog Semiconductor (UK)...

8. A switching DC-DC converter for providing a regulated voltage at an output, comprising an energy storage element and a plurality of selectable inputs; and being arranged to selectively operate in two or more different modes, wherein for each mode the energy storage element is coupled between a different input and the output; and wherein:said switching DC-DC converter is arranged to switch from a first mode wherein the energy storage element is coupled between a first number of cells and the output and a second mode wherein the energy storage element is coupled between a second number of cells and the output, said second number of cells being less than said first number of cells, when an input battery voltage provided by the coupled cell or cells reaches or rises above a predetermined threshold value.

US Pat. No. 10,693,301

SEMICONDUCTOR DEVICE AND BATTERY VOLTAGE MEASURING METHOD THAT PREVENTS MEASUREMENT ERROR CAUSED BY PARAMETRIC CAPACITANCE

LAPIS SEMICONDUCTOR CO., ...

1. A semiconductor device comprising:a first buffer amplifier into which a voltage of a high potential side of one battery cell is input, the one battery cell being selected from a plurality of battery cells that are connected in series from a lowermost stage battery cell to an uppermost stage battery cell;
a second buffer amplifier into which a voltage of a low potential side of the one battery cell selected from the plurality of battery cells other than the lowermost stage battery cell is input;
an analog level shifter into which a voltage output from the first buffer amplifier and a voltage output from the second buffer amplifier are input;
a first switch that switches a voltage input to the first buffer amplifier from the voltage of the high potential side of the one battery cell selected from the plurality of battery cells to a reference voltage;
a controller that controls the first switch and connections between the plurality of battery cells and the first buffer amplifier and the second buffer amplifier,
wherein the controller controls the first switch and inputs the reference voltage to the first buffer amplifier before a battery voltage of the lowermost stage battery cell among the plurality of battery cells is measured, in a case in which the battery voltage of the lowermost stage battery cell is measured;
a second switch that switches the voltage input to the second buffer amplifier to the reference voltage,
wherein the controller further controls the second switch to input the reference voltage to the second buffer amplifier before the battery voltage of the lowermost stage battery cell is measured; and
a measuring circuit that measures a voltage output from the analog level shifter,
wherein the controller controls the first switch and the second switch based on the voltage measured by the measuring circuit.

US Pat. No. 10,693,300

STEPWISE BATTERY MODULE PRECHARGE AND POST-DISCHARGE OF HIGH VOLTAGE BATTERY SYSTEMS

SAFT AMERICA, Cockeysvil...

15. A device, comprising:one or more processors to:
activate a first bypassable battery module, of a bypassable battery module system, to precharge an application bus through a precharge circuit,
wherein a first voltage difference between a first output voltage of the bypassable battery module system and a first application bus voltage is less than a total voltage of the bypassable battery module system; and
activate a second bypassable battery module, of the bypassable battery module system, to precharge the application bus through the precharge circuit based on activating the first bypassable battery module,
wherein a second voltage difference between a second output voltage of the bypassable battery module system and a second application bus voltage is less than the total voltage of the bypassable battery module system based on activating the second bypassable battery module.

US Pat. No. 10,693,299

SELF-TUNING RESONANT POWER TRANSFER SYSTEMS

TC1 LLC, St. Paul, MN (U...

1. A wireless power transfer system comprising:a transmitter comprising a transmit resonator coupled to a voltage source; and
a receiver comprising a receive resonator, a load, a rectifier coupled between the receive resonator and the load and comprising a plurality of field effect transistors (FETs), and a receiver controller configured to control the plurality of FETs to tune a resonance of the wireless power transfer system.

US Pat. No. 10,693,298

METHODS AND SYSTEMS FOR MATCHING A LOAD TO A PEAK POWER POINT OF A POWER GENERATING DEVICE

The Boeing Company, Chic...

1. A method comprising:periodically adjusting load applied to a power generating device according to a testing cycle;
detecting a peak power point of the power generating device and an associated load that results in the peak power point;
adjusting the load applied to the power generating device to match the associated load that results in the peak power point; and
based on the adjusted load drawing power outside of a threshold amount of the peak power point, (i) calculating a correction factor to apply to a reference voltage of the power generating device and (ii) adjusting a frequency of the testing cycle.

US Pat. No. 10,693,297

CENTRALIZED MPPT EXITING AND SWITCHING METHOD AND APPLICATION THEREOF

SUNGROW POWER SUPPLY CO.,...

1. A method for exiting a Maximum Power Point Tracking (MPPT) centralized mode of a photovoltaic inverter, wherein the photovoltaic inverter comprises a plurality of direct current (DC) chopper circuits and an inverting circuit, the inverting circuit is connected to an output side of the plurality of DC chopper circuits on which side the plurality of DC chopper circuits are connected in parallel to a DC bus, and a plurality of photovoltaic strings are connected in parallel to the DC bus via the plurality of DC chopper circuits, the method comprising:obtaining a maximum power point for each of the plurality of photovoltaic strings, by performing a MPPT control individually on each of the plurality of photovoltaic strings in response to the photovoltaic inverter operating in the MPPT centralized mode and in response to the plurality of DC chopper circuits which are stopped from operating;
determining output voltages of the plurality of photovoltaic strings, which correspond to the obtained maximum power points;
determining one of the plurality of photovoltaic strings having a standard voltage value, which is a maximum or minimum one among the determined output voltages of the plurality of photovoltaic strings according to a type of the plurality of DC chopper circuits;
determining whether a voltage difference between the output voltage of a further one of the plurality of photovoltaic strings and the standard voltage value of the one of the plurality of photovoltaic strings exceeds a preset voltage difference; and
restarting the DC chopper circuit connected to the further one of the plurality of photovoltaic strings in response to the determined voltage difference exceeding the preset voltage difference.

US Pat. No. 10,693,296

STABILIZING CONSUMER ENERGY DEMAND

International Business Ma...

1. A computer-implemented method, comprising:setting a target power demand corresponding to a consumer, wherein setting the target power demand is based on a reward table for rewarding stability of power demand, wherein the reward table is received from a utility;
performing a process, the process including:
determining an actual power demand presented to the utility by the consumer, wherein determining the actual power demand includes measuring the power demand over a period of time in accordance with a process for measuring stability of power demand received from the utility;
determining a current error, wherein the current error is a difference between the actual power demand and the target power demand;
determining whether the actual power demand is adjustable in a direction that reduces the current error;
reducing the current error by adjusting the actual power demand in response to determining that the actual power demand is adjustable in the direction that reduces the current error; and
modifying the target power demand in response to determining that the actual power demand is not adjustable in the direction that reduces the current error.

US Pat. No. 10,693,295

RESIDENTIAL ELECTRIC LOAD SHIFTING ENERGY STORAGE SYSTEM

Alternate Power Source, I...

1. A load shed apparatus for shifting a residential electric load from a utility power grid to a battery system during preconfigured hours of electric use, the load shed apparatus comprising:a first connection configured to electrically connect to a power panel of the residential property;
a second connection configured to electrically connect to the battery system;
a limited set of electric circuits, wherein:
the limited set of electric circuits is less than a total set of electric circuits in the residential property; and
each of the electric circuits comprises an associated relay so that each electric circuit can be individually controlled to be in electrical communication with the first connection to the power panel or the second connection to the battery system, such that each electric circuit can individually receive electricity from either the utility power grid or the battery system via the load shed apparatus;
a memory configured to store computer executable instructions; and
a microprocessor in communication with the memory and each relay of the electric circuits in the limited set of electric circuits, the microprocessor configured to execute the instructions to cause the load shed apparatus to:
individually shift residential electric load for each electric circuit of the limited set of electric circuits for a first time period during a first calendar period of a calendar year, comprising:
individually shifting each associated relay of a first group of one or more electric circuits from the limited set of electric circuits so that each electric circuit of the first group shifts from receiving power from the utility power grid to receiving power from the battery system for the first time period; and
intermittently cycling, during the first time period, each individual electric circuit of a second group of one or more electric circuits of the limited set of electronic circuits by cycling each associated relay of the electric circuits of the second group so that each electric circuit of the second group cycles between (a) receiving power from the utility power grid and (b) an off position wherein the second group of one or more electric circuits does not receive power,
wherein the first group of one or more electric circuits is different than the second group of one or more circuits; and
shift residential electric load for a second time period during a second calendar period of the calendar year, comprising:
individually shifting each of the associated relays of the electric circuits of the first group of one or more electric circuits so that each electric circuit of the first group shifts from receiving power from the utility power grid to receiving power from the battery system for the second time period; and
intermittently cycling, during the second time period, each individual electric circuit of the second group of one or more electric circuits by cycling each of the associated relays of the electric circuits of the second group so that each electric circuit of the second group cycles between (a) receiving power from the utility power grid and (b) the off position.

US Pat. No. 10,693,294

SYSTEM FOR OPTIMIZING THE CHARGING OF ELECTRIC VEHICLES USING NETWORKED DISTRIBUTED ENERGY STORAGE SYSTEMS

STEM, INC., Millbrae, CA...

1. A system for managing power, comprising:a first storage device that is in electric communication with an electric power line that is coupled to an electric power distribution grid, wherein the first storage device comprises a first energy source and a first bidirectional power converter that is coupled between the first energy source and the electric power line;
a first sensor configured to monitor fluctuations in an amount of power flowing through the electric power line to or from the electric power distribution grid;
an electric vehicle charging station having one or more electrical connections that are coupled to the electric power line; and
a first controller that is in communication with the first bidirectional power converter and the first sensor, and is configured to control a transfer of energy between the electric power line and the first energy source through the first bidirectional power converter in response to the fluctuations in the amount of power flowing through the electric power line to or from the electric power distribution grid, wherein the electric power line comprises a first phase and a second phase, and the first controller is configured to maintain a level of balance between transfers of energy to or from the electric power distribution grid via the first phase and the second phase, wherein the first bi-directional power converter and the one or more electrical connections of the electric vehicle charging station are coupled to the first phase, and wherein the first controller maintains the level of balance by causing, in response to a change in a power demand on the first phase by the electric vehicle charging station, the first energy source to transfer energy to or from at least one of the first phase or the second phase of the electric power line.

US Pat. No. 10,693,293

FAULT PROTECTION IN CONVERTER-BASED DC DISTRIBUTION SYSTEMS

ABB Schweiz AG, Baden (C...

18. A direct-current (DC) electric power distribution system, comprising:multiple DC buses, each either directly or through converters associated with one or more power sources and one or more loads, connected by branches and converters, wherein at least one of the converters is an AC/DC converter or DC/DC converter operable to produce a respective converter current at or about a predetermined, limited, DC current level in response to a detection of a fault or under the control of a controller, the converters each having a fault current limiting function integrated into the converter;
one or more DC switches, wherein each DC switch is operative to disconnect at least a portion of a DC bus or a DC branch; and
a controller circuit configured to
receive measurements of DC bus currents;
receive an indication of a fault in the system;
coordinate, via activation of a current limiting function of the converters, an output of a limited DC current by a plurality of the converters in response to the indication of the fault in the system, the limited DC current being coordinated such that at least one of a current level and a duration of the limited DC current for at least one of the converters during activation of the fault current limiting function is different than the current level and/or duration of the limited DC current of at least another one of the converters;
identify a location for the indicated fault, based on the measurements of DC bus currents, wherein said identifying at least partly depends on the converter current being at or about its corresponding predetermined, limited, DC current level for at least one of the DC converters; and
open one or more of the DC switches, based on the identified location of the indicated fault; and
coordinate, after the one or more DC switches have been opened, the deactivation of the current limiting function of the converters by some, but not all, of the plurality of the converters.

US Pat. No. 10,693,292

SURGE PROTECTION CIRCUIT WITH FEEDBACK CONTROL

NXP USA, Inc., Eindhoven...

1. A surge protection circuit, comprising:a DC trigger circuit connected between a surge voltage node and ground, wherein the DC trigger circuit generates a trigger signal when a surge pulse occurs;
a surge protection device coupled between the surge voltage node and ground, and coupled to the DC trigger circuit for receiving the trigger signal at a control input, wherein the surge protection device generates a clamp voltage and conducts surge currents to ground in response to the trigger signal; and
a feedback circuit connected between the control input of the surge protection device and the DC trigger circuit, wherein the feedback circuit lowers the clamp voltage generated by the surge protection device;
wherein the surge protection device comprises a transistor and the feedback circuit lowers the clamp voltage so that the clamp voltage does not exceed a failure voltage of the transistor.

US Pat. No. 10,693,291

METHOD FOR OPERATING AN ELECTRICAL CIRCUIT

GE AVIATION SYSTEMS LLC, ...

1. A method for operating an electrical circuit, comprising:determining a thermal failure threshold value of at least one of a solid state power controller or a transient suppression device;
determining heat dissipation of the at least one of the solid state power controller or the transient suppression device, due to the toggling from the first mode to the second mode;
determining a time period based at least in part on the determined heat dissipation and the determined threshold value;
receiving, by a solid state power controller, a control signal from a controller; and
in response to receiving the control signal, toggling, based at least in part on the control signal, a solid state power controller switch toggle between a first conducting mode and a second non-conducting mode within a designated switching time;
wherein the toggling between the first mode and the second mode occurs over the time period, and wherein the time period is greater than the designated switching time.

US Pat. No. 10,693,290

ELECTRONIC TEMPERATURE SWITCH

HYDRA-ELECTRIC COMPANY, ...

1. An electronic temperature switch, comprising:a pair of contact terminals;
an evaluator circuit that receives a temperature signal comprising an electrical signal representing a sensed temperature, wherein the evaluator circuit compares said temperature signal to a lower threshold value and an upper threshold value, and generates an evaluation signal having a value indicating when said temperature signal is between the lower threshold value and the upper threshold value; and
a loading circuit that receives said evaluation signal, wherein the loading circuit comprises an electronic loading switch that is turned on to couple a first indication signal across said pair of contact terminals when the value of the evaluation signal is between the lower threshold value and the upper threshold value, and wherein the electronic loading switch is turned off to couple a second indication signal across said pair of contact terminals when the value of the evaluation signal is either below the lower threshold value or above the upper threshold value, such that the electronic temperature switch functions as a 2-wire electronic sense circuit.

US Pat. No. 10,693,289

DC BREAKER

General Electric Technolo...

1. A DC breaker module suitable for use in a high voltage DC circuit comprising:at least a first breaker circuit enclosed within a conductive enclosure, the first breaker circuit comprising one or more semiconductor switches and a mechanical breaker connected in series;
the conductive enclosure being configured such that, in use, the first breaker circuit can be connected in an electrical path with a circuit external to the conductive enclosure; and
wherein the conductive enclosure is further configured to be connected to a node of the electrical path such that, in use, the conductive enclosure is at the same voltage potential as the node of the electrical path.

US Pat. No. 10,693,288

PROTECTION CIRCUITS WITH NEGATIVE GATE SWING CAPABILITY

Vishay Siliconix, LLC, S...

1. A circuit comprising;a shunt coupled between a potential voltage, wherein the shunt includes a shunt transistor including a drain coupled to a first node, a source coupled to a second node and a gate coupled to a third node, and wherein the potential voltage is coupled between the first and second nodes;
a positive over potential detection circuit configured to control the shunt to short the potential voltage when the potential voltage is greater than a predetermined positive level, wherein the positive over potential detection circuit includes a first series of one or more clamping elements, a first switching transistor and a first resistive element coupled in series, wherein the first series of one or more clamping elements are coupled in series between the first node and the third node, wherein the first switching transistor includes a drain coupled to the third node and a gate coupled along the first series of one or more clamping elements not including the third node, and wherein the first resistive element is coupled between a source of the first switching transistor and the second node; and
a negative over potential detection circuit configured to control the shunt to short the potential voltage when the potential voltage is less than a predetermined negative level, wherein the negative over the potential detection circuit includes a second series of one or more clamping elements, a second switching transistor and a second resistive element coupled in series, wherein the second series of one or more clamping elements are coupled in series between the second node and the third node, wherein the second switching included a drain coupled to the third node and a gate coupled along the second series of one or more clamping elements not including the third node, and wherein the second resistive element is coupled between a source of the second switching transistor and first node.

US Pat. No. 10,693,287

FOUNDATION INTERFACE DEVICE WITH CATHODE PROTECTION

Balmoral Comtec Limited, ...

1. A foundation interface device comprising a cylindrical body arranged to be pulled into an opening in a wall of a subsea foundation, the interface device further comprising one or more extendable arm or teeth arranged to engage an inside portion of wall thereby preventing the interface device from being pulled back out of the opening, characterized in that the retaining member or members comprise one or more ceramic contact members arranged at an end of the arms or teeth and serving as a contact point or points between the retaining member or members at the inside surface of the wall.

US Pat. No. 10,693,286

WIRE FIXING DEVICE

HOLD WELL INDUSTRIAL CO.,...

1. A wire fixing device adapted for gripping and positioning at least one wire in a machine, comprising:a positioning seat having a first end surface, a second end surface that is opposite to said first end surface in a first direction, and at least one first cavity that extends from said first end surface in the first direction toward said second end surface; and
a first gripping seat disposed at one side of said positioning seat, and including
a first body that has a first inner surface facing said first end surface of said positioning seat, and
at least one first gripping member that has
a first connection end portion connected to said first inner surface of said first body,
a first terminal end portion being resilient and opposite to said first connection end portion in the first direction, and inserted into said at least one first cavity, and
a first through hole extending from said first connection end portion to said first terminal end portion, and adapted for extension of the at least one wire therethrough, said first terminal end portion being constricted by said at least one first cavity to grip securely the at least one wire.

US Pat. No. 10,693,285

GUIDE DEVICE

IGUS GMBH, Cologne (DE)

1. A guide device for a line, the line having an upper run and a lower run, wherein the line is displaceable such that the upper run is positionable over the lower run, and the upper run and the lower run are connected together by an arcuate portion, wherein the guide device comprises:an injection molded first longitudinal section and an injection molded second longitudinal section each extending in a longitudinal direction of the guide device, wherein the first longitudinal section and the second longitudinal section are connectable together so as to be arranged in tandem in the longitudinal direction of the guide device and each comprise
guide walls, which extend in the longitudinal direction of the guide device, disposed in laterally opposite relationship at least in one region to guide at least one of the upper run and the lower run,
wherein the guide walls comprise laterally opposite wall elements, each of the wall elements comprising two end regions, with each of the two end regions of each of the wall elements each comprising an end face facing away from each other in the longitudinal direction of the guide device,
wherein each of the wall elements comprise an outside facing away from the laterally opposite wall element, an inside facing towards the laterally opposite wall element, a top side and an underside,
wherein each of the two end regions of each of the wall elements each include a first fixing device,
wherein each of the wall elements with the first fixing device at each of the two end regions is formed of a single piece of plastic, respectively,
wherein, when the first longitudinal section and the second longitudinal section are connected together, the inside of the wall elements of the first longitudinal section and the second longitudinal section form a continuous guide surface from the first longitudinal section to the second longitudinal section,
wherein, when the first longitudinal section and the second longitudinal section are connected together, each first fixing device of the first longitudinal section is coupled to a corresponding one of each first fixing device of the second longitudinal section,
wherein the wall elements of the first longitudinal section comprise a first plurality of limbs which each extend transverse to the longitudinal direction of the guide device towards the laterally opposite wall element, arranged such that each of the two end regions of each of the wall elements comprises a limb of the first plurality of limbs which are spaced apart by a longitudinal length of the wall element and disposed adjacent one of the end faces of the wall element, respectively,
wherein the wall elements of the second longitudinal section comprise a second plurality of limbs which each extend transverse to the longitudinal direction of the guide device towards the laterally opposite wall element, arranged such that each of the two end regions of each of the wall elements comprises a limb of the second plurality of limbs which are spaced apart by a longitudinal length of the wall element and disposed adjacent one of the end faces of the wall element, respectively,
wherein, when the first longitudinal section and the second longitudinal section are connected together, each of the limbs of one of the two end regions of each of the wall elements of the first longitudinal section and each of the limbs of one of the two end regions of each of the wall elements of the second longitudinal section are connected to a single intermediate limb of the guide device, wherein the single intermediate limb connects each of the limbs of one of the two end regions of each of the wall elements of the first longitudinal section and each of the limbs of one of the two end regions of each of the wall elements of the second longitudinal section adjacent one another.

US Pat. No. 10,693,284

GROUNDING SWITCH FOR USE IN METAL-CLAD SWITCHGEAR

1. A grounding switch for use in a metal-clad switchgear, comprising:an earth switching device, said earth switching device including:
at least one fixed contact, said at least one fixed contact is insulated; and
at least one movable contact selectively connected to the at least one fixed contact to ground said at least one fixed contact, said at least one movable contact rotating about an axis;
a crankarm, said crankarm rotating about the axis;
an insulating boot, said insulating boot configured to insulate a first portion of live components of said at least one fixed contact;
an insulated clam shell, said insulated clam shell covering a second portion of said live components of said at least one fixed contact until said live components are grounded, at which time, said insulated claim shell is configured to open, providing access for maintenance to the metal-clad switchgear; and
wherein said insulated claim shell is equipped with a deliberate split disposed at a center of said insulated claim shell to facilitate break-away of said insulated claim shell as a fail-safe precaution.

US Pat. No. 10,693,283

UNDERGROUND MODULAR TRANSFORMATION CENTRE THAT IS RESISTANT TO DISASTERS AND ADVERSE CONDITIONS

1. An underground modular transformation centre system that is resistant to disasters and adverse conditions, the transformation system comprising:a transformation centre comprising:
a disaster and adverse condition resistant enclosing body having two ends, a coupling system arranged in each of said two ends and closing covers joined to the coupling system;
an assembly hatch with an upper watertight access cover of the assembly hatch for inserting a switchgear and a manhole hatch with an upper watertight access cover of the manhole hatch for the access by people;
high-voltage protection and operating elements, a power transformer and low-voltage protection and operating elements inside of the transformation centre;
tubes passing from the outside to the inside for placing electrical conductors having elements that provide watertightness to said electrical conductors and tubes for circulating a coolant;
the transformation centre being modular and configured to be longitudinally connected to other transformation centres through the coupling system arranged in the ends of the enclosing body; and
a longitudinal heat exchanger arranged outside the transformation centre with a dimension similar to the length to this transformation centre, formed by horizontal tubes and heat dissipative sheets.

US Pat. No. 10,693,282

ELECTRICAL POWER SUPPLY STRUCTURES

SUPERIOR TRAY SYSTEMS INC...

1. An electrical power supply structure comprising:a barrier support plate comprising one or more openings, the barrier support plate configured for mounting over a hole through a floor of a building;
a first support structure extending longitudinally upward from an upper side of the barrier support plate; and,
a second support structure extending longitudinally downward from a lower side of the barrier support plate through the hole,
wherein each of the first and second support structures comprises a longitudinally extending enclosure having a plurality of transversely extending conductor support members, and whereby the structure is configured to receive a plurality of conductors extending longitudinally therethough, with the conductors extending through the one or more openings in the barrier support plate and being supported by the plurality of transversely extending conductor support members of the first and second support structures.

US Pat. No. 10,693,280

SPARK PLUG

1. A spark plug comprising:a cylindrical main metal fitting that includes an interior portion;
a center electrode that is inserted into the interior portion of the main metal fitting and includes a tip end surface; and
a ground electrode that is connected to the main metal fitting and curved so as to oppose the tip end surface of the center electrode, wherein a predetermined virtual plane (P) that passes through a center axis of the spark plug along the curved ground electrode faces a flow direction of airflow in the spark plug,
the center electrode and the ground electrode oppose each other and form a spark discharge gap,
the ground electrode includes a main body that includes
an opposing surface that is formed on a first side facing the tip end surface of the center electrode, the opposing surface being perpendicular to the center axis of the spark plug, and
a sloped surface that is formed on a second side opposite the first side facing the tip end surface of the center electrode, the sloped surface becoming farther away from the tip end surface of the center electrode from an upstream side of the airflow towards a downstream side, and
the main body of the ground electrode satisfies 10 [°]?Dg?70 [°], 1.0 [mm]?Th, and 1.5 [mm]?Wd, where Dg is a slope angle of the sloped surface relative to the opposing surface, Th is a thickness of the main body of the ground electrode in an insertion direction of the center electrode, and Wd is a width of the ground electrode in a direction perpendicular to the virtual plane.

US Pat. No. 10,693,279

SEMICONDUCTOR LASER DIODE ON TILED GALLIUM CONTAINING MATERIAL

Soraa Laser Diode, Inc., ...

1. A gallium and nitrogen containing structure comprising:a plurality of {11-20}, {10-10}, {10-11}, {20-21} or {30-31} oriented gallium and nitrogen containing semiconductor substrates, each of the plurality of gallium and nitrogen containing semiconductor substrates having one or more epitaxially grown layers;
a first handle substrate having a having a bonding surface with larger area than the sum of the areas of the bonding surfaces of the plurality of the gallium and nitrogen containing substrates, wherein each of the plurality of gallium and nitrogen containing semiconductor substrates are coupled to the first handle substrate, the plurality of gallium and nitrogen containing semiconductor substrates are arranged in a tiled configuration overlying the first handle substrate, and the orientations of a reference crystal direction for each of the plurality of gallium and nitrogen containing semiconductor substrates are parallel to within 10 degrees or less;
a first bonding medium provided between the first handle substrate and each of the plurality of gallium and nitrogen containing semiconductor substrates.

US Pat. No. 10,693,277

IMPLANT REGROWTH VCSEL AND VCSEL ARRAY WITH HETEROGENEOUS COMBINATION OF DIFFERENT VCSEL TYPES

II-VI Delaware Inc., Wil...

1. A vertical cavity surface emitting laser (VCSEL) comprising:an active region;
a blocking layer comprising a first material having an implant material, the blocking layer having at least one implant devoid region formed therein extending from a bottom blocking layer surface to a top blocking layer surface, the blocking layer having a first thickness;
each of the at least one implant devoid regions forming a conductive channel in the blocking layer so that the implant material defines a boundary between the blocking layer and each conductive channel that has the first material devoid of the implant material, each conductive channel having:
a bottom conductive channel surface that is continuous with the bottom blocking layer surface,
a top conductive channel surface that is discontinuous with the top blocking layer surface;
a second thickness that is thicker than the first thickness;
a side conductive channel boundary extending from the bottom blocking layer surface to the top blocking layer surface; and
a side conductive channel surface extending from the top blocking layer surface to the top conductive layer surface;
a first non-planarized semiconductor layer over and in contact with the:
top blocking layer surface,
each top conductive channel surface; and
each side conductive channel surface.

US Pat. No. 10,693,276

OPTICAL TRANSMITTER

Mitsubishi Electric Corpo...

1. An optical transmitter comprising:a semiconductor laser unit to output laser light of first output power corresponding to an input laser driving current and to output a monitor current corresponding to the first output power;
a casing of an optical module to include the semiconductor laser unit and to hold an optical fiber having an end disposed at a position on which the laser light hits;
a monitor current detection unit to generate a monitor voltage corresponding to the monitor current;
a laser driving unit to control the laser driving current to make the monitor voltage approaches a set target voltage;
a storage unit to store previously information based on a result of a measurement of a ratio of second output power of the laser light output through the optical fiber with respect to the first output power of the semiconductor laser unit at each of a plurality of temperatures;
a temperature sensor to detect an ambient temperature of the semiconductor laser unit;
a target voltage determination unit to change the target voltage using a detected temperature detected by the temperature sensor and the information based on the result of the measurement; and
a power monitor value determination unit to generate a power monitor value indicating the second output power to be transmitted to a host device, using the detected temperature and the information based on the result of the measurement.

US Pat. No. 10,693,275

DIRECTLY MODULATED LASER HAVING A VARIABLE LIGHT REFLECTOR

NOKIA SOLUTIONS AND NETWO...

1. An apparatus comprising:a laser cavity including a first optical waveguide connected between a first light reflector and a second light reflector, the first optical waveguide including an active section configured to generate light in response to an electrical current being driven therethrough; and
a first driver circuit for controlling the first light reflector to perform data modulation of an optical output beam;
wherein the first light reflector comprises a first Michelson interferometer configured to transmit a first portion of the light out of the laser cavity and capable of controllably modulating the first portion to generate the optical output beam in response to a first electrical radio-frequency (RF) signal encoded with the data, the first electrical RF signal being generated by the first driver circuit; and
wherein the first Michelson interferometer comprises:
a second optical waveguide optically coupled to the first optical waveguide, the second optical waveguide including a first phase shifter configured to modulate a light beam propagating therethrough in response to the first electrical RF signal, the first phase shifter being an electro-optic phase shifter;
a third optical waveguide optically coupled to the first optical waveguide; and
an optical coupler configured to optically interfere light beams received from the second and third optical waveguides to produce the optical output beam at an output port thereof.

US Pat. No. 10,693,274

MULTI-WAVELENGTH NARROW-LINEWIDTH SINGLE-FREQUENCY OPTICAL FIBER LASER SOURCE FOR LASER RADAR SYSTEM

SOUTH CHINA UNIVERSITY OF...

1. A multi-wavelength single-frequency optical fiber laser source for a laser radar system, comprising:a high-reflectivity chirped optical fiber grating;
a high gain optical fiber;
a low-reflectivity chirped optical fiber grating;
an optical wavelength division multiplexer;
a single-mode semiconductor pump laser;
an optical coupler;
an optical isolator;
an optical circulator;
an optical filter module; and
a semiconductor optical amplifier,
wherein the low-reflectivity chirped optical fiber grating and the high-reflectivity chirped optical fiber grating form front and back cavity mirrors of a laser resonant cavity to realize laser oscillation in the cavity, the high gain optical fiber is used as a gain medium of the laser resonant cavity, the high-reflectivity chirped optical fiber grating, the high gain optical fiber and the low-reflectivity chirped optical fiber grating form the laser resonant cavity, pump light generated by the single-mode semiconductor pump laser is inputted via a pumping end of the optical wavelength division multiplexer into an optical fiber core of the high gain optical fiber via the low-reflectivity chirped optical fiber grating for optical fiber core pumping, a portion of the laser enters the optical filter module via the optical circulator after the laser outputted by the laser resonant cavity passes through the optical coupler, after selecting a wavelength corresponding to a nominal central frequency via the optical filter module, the laser is injected back into the laser resonant cavity via the optical circulator and the optical coupler, combined with a short linear resonant cavity structure, the resonant cavity after self-injection locking lases single-frequency optical fiber laser with a plurality of wavelengths corresponding to the nominal central frequency; and a single-frequency optical fiber laser signal enters the optical coupler via a signal end of the optical wavelength division multiplexer, another portion of the laser outputted by the optical coupler is outputted from an output end of the optical isolator, and the outputted multi-wavelength laser is subjected to noise suppression via the semiconductor optical amplifier.

US Pat. No. 10,693,273

REFLECTOR, FIBER CAVITY, AND FIBER LASER

KABUSHIKI KAISHA TOYOTA C...

1. A reflector comprising:a gain fiber that has a core doped with a rare earth element;
a high-refractive-index that is a portion of the core with a uniform high refractive index, the high-refractive-index region having a predetermined width, is formed at a predetermined spacing along an optical axis direction of the gain fiber, and is formed across an entire section of the core that is orthogonal to the optical axis of the core; and
a low-refractive-index region that is a portion of the core with a uniform low refractive index that is lower than the uniform high refractive index, the low-refractive-index region being formed adjacent to the high-refractive-index region, and having a width equal to the predetermined spacing,
wherein a width di of each of the high-refractive-index region and the low-refractive-index region is defined by the equation di=Hi·(?/(2·ni))+?/(4·ni), in which ? is an operating wavelength of the reflector, ni is a uniform refractive index of the high-refractive-index region or low-refractive-index region, Hi is a natural number that expresses order, and i is a natural number.

US Pat. No. 10,693,272

FIBER ENCAPSULATION MECHANISM FOR ENERGY DISSIPATION IN A FIBER AMPLIFYING SYSTEM

Waymo LLC, Mountain View...

1. An optical fiber amplifier, comprising:an optical fiber comprising a gain medium;
a polymer layer that at least partially surrounds the optical fiber, wherein the polymer layer is optically transparent;
a pump source configured to optically pump the optical fiber, wherein optical pumping by the pump source amplifies optical signals in a wavelength range transmitted through the gain medium of the optical fiber and generates excess heat and excess photons;
a heatsink layer disposed adjacent to the polymer layer, wherein the heatsink layer conducts the excess heat away from the optical fiber; and
an optically transparent layer disposed adjacent to the polymer layer opposite the heatsink layer, wherein the optically transparent layer transmits the excess photons away from the optical fiber, and wherein the optically transparent layer defines a minimum distance from the optical fiber at which the excess photons are absorbable.

US Pat. No. 10,693,271

BROADBAND LIGHT SOURCE DEVICE AND METHOD OF CREATING BROADBAND LIGHT PULSES

1. A broadband light source device configured for creating broadband light pulses, comprising:a hollow-core fiber of non-bandgap type including a filling gas and being arranged to create the broadband light pulses by an optical non-linear broadening of pump laser pulses, wherein the hollow-core fiber has an axial hollow light guiding fiber core that supports core modes of a guided light field and an inner fiber structure that surrounds the fiber core and that supports transverse wall modes of the guided light field, and
a pump laser source device being arranged to create and provide the pump laser pulses at an input side of the hollow-core fiber, wherein transverse wall modes include a fundamental transverse wall mode and second and higher order transverse wall modes, and
wherein the broadband light pulses have a core mode spectrum being determined by a fiber length, a fiber core diameter, at least one pump pulse and/or beam parameter of the pump laser pulses and at least one gas parameter of the filling gas,
wherein the inner fiber structure of the hollow-core fiber is configured such that at least the second and higher order transverse wall modes and the core mode spectrum have a spectral displacement relative to each other.

US Pat. No. 10,693,270

PRESS-FIT PIN FOR SEMICONDUCTOR PACKAGES AND RELATED METHODS

SEMICONDUCTOR COMPONENTS ...

1. A method of forming a press-fit pin for a semiconductor package, comprising:compressing an upper portion of a shaft, along a direction perpendicular to a longest length of the shaft, to deform the upper portion into a flattened section;
bending two opposing sides of the flattened section to form two angled arms, each angled arm being angled relative to a central portion of the flattened section, and;
curving each of the angled arms into a c-shape to form two curved arms so that the curved arms together form an s-shape, forming a head of the press-fit pin.

US Pat. No. 10,693,269

SPLICE ASSEMBLY

Hubbell Incorporated, Sh...

1. A splice assembly for engaging a conductor, the splice assembly comprising:a splice body including a first end, a second end, and a chamber extending between the first end and the second end;
a first jaw and a second jaw disposed within the chamber of the splice body, the first jaw and the second jaw configured to engage the conductor;
a brush coupled to one of the first end and the second end of the splice body, the brush including,
a housing including a first portion and a second portion and defining a housing axis extending between the first portion and the second portion, the first portion defining a cavity having a first, open end and a second end spaced apart from the first end, the second portion defining a bore, and a diameter of the first portion being larger than a diameter of the second portion; and
a brush member secured within the cavity proximate the first end and spaced apart from the second end, the brush member including a plurality of bristles extending inwardly toward the housing axis.

US Pat. No. 10,693,268

CONDUCTIVE SLIP RING FOR LOGGING WHILE DRILLING INSTRUMENT

INSTITUTE OF GEOLOGY AND ...

1. A conductive slip ring for logging while drilling (LWD) instrument, comprising:a housing of a conductive slip ring device;
a top connector of the conductive slip ring;
a bottom connector of the conductive slip ring;
an output shaft of the conductive slip ring;
an end cap of the conductive slip ring;
a support body;
an inner core system of the conductive slip ring, and
an electric power and signal transmission device, wherein
the housing of the conductive slip ring device, the top connector of the conductive slip ring; the bottom connector of the conductive slip ring, the output shaft of the conductive slip ring; and the end cap of the conductive slip ring form a sealed cavity, with high temperature-resistant lubricant fully filled in the sealed cavity;
the top connector of the conductive slip ring is used as an electric power and signal input end or output end;
the output shaft of the conductive slip ring is used as an electric power and signal input end or output end;
an electric power and signal transmission device is configured to transfer received electric power and signals to the inner core system of the conductive slip ring or transmit the electric power and signals emitted by the inner core system of conductive slip ring;
the electric power and signal transmission device is arranged inside the top connector of conductive slip ring;
the inner core system of the conductive slip ring is configured to transfer received electric power and signals to the electric power and signal transmission device or transmit the electric power and signals emitted by the electric power and signal transmission device; and
the inner core system of the conductive slip ring is arranged inside the housing of the conductive slip ring device,
wherein
the support body is fixedly connected to a drill collar via a pin;
a mud flow channel is arranged at the inner side of the support body;
the housing of conductive slip ring device is fixed inside the support body through screws;
the two ends of the housing of conductive slip ring device extend out of the support body;
the top connector of the conductive slip ring is arranged at one end of the housing of the conductive slip ring device;
the bottom connector of the conductive slip ring is arranged at the other end of the housing of the conductive slip ring device;
the end cap of the conductive slip ring is arranged at the other end of the bottom connector of the conductive slip ring;
the electric power and signal transmission device is arranged inside the top connector of the conductive slip ring and extends into a cavity of the conductive slip ring inside the housing of the conductive slip ring device and is connected with one end of the inner core system of the conductive slip ring;
an output shaft support bearing is arranged inside the bottom connector of the conductive slip ring;
an inner race of the output shaft support bearing is locked through a lock nut;
a wavy spring is arranged at a position where the housing of the conductive slip ring device is connected with the bottom connector of the conductive slip ring;
an outer race of the output shaft support bearing is pre-tensioned by compressing the wavy spring;
one end of the output shaft of the conductive slip ring passes through the bottom connector of the conductive slip ring and is mounted on the output shaft support bearing; and is fixedly connected with one end of the inner core system of the conductive slip ring;
the other end of the output shaft of the conductive slip ring is connected with a relative rotation structure of the LWD instrument; and
the housing of the conductive slip ring device is provided with a lubricant filler that communicates with the cavity of the conductive slip ring and is provided with a lubricant plug.

US Pat. No. 10,693,267

ROTARY STRUCTURAL BODY

KABUSHIKI KAISHA TOKAI RI...

1. A rotary structural body, comprising:a rotation body that rotates in cooperation with a rotation shaft and includes an engaging portion engaged with an engaged portion, the engaged portion being arranged on one of the rotation shaft and a transmission member that transmits rotation of the rotation shaft to the rotation body;
a detector that detects a rotation angle of the rotation shaft in accordance with rotation of the rotation body; and
a support arranged on the engaged portion and extending across a circumferential gap between the engaged portion and the engaging portion,
wherein the support has an elastic force that is greater than force applied to the rotation body from one of the rotation shaft and the transmission member.

US Pat. No. 10,693,266

COAXIAL ELECTRICAL INTERCONNECT

Raytheon Company, Waltha...

1. A coaxial electrical interconnect, comprising:an inner conductor including an electrically conductive spring probe;
an outer conductor including a plurality of electrically conductive spring probes disposed about the inner conductor,
each spring probe having a barrel and a plunger biased out of the barrel via a spring, the respective plungers each having a first plunger portion external to the barrel and a second plunger portion disposed partially in the barrel, the first and second plunger portions having different diameters, wherein a barrel of the spring probe of the inner conductor is located proximate a plunger of at least one of the spring probes of the outer conductor;
a first spring probe support member configured to provide mechanical support for the spring probes of the inner and outer conductors; and
a second spring probe support member coupled to the first spring probe support member, the second spring probe support member comprising an end having alignment openings operable to receive the first plunger portions of the plungers of the spring probes of the outer conductor and the barrel of the spring probe of the inner conductor, the second spring probe support member being configured to provide mechanical support for the barrel of the spring probe of the inner conductor and the first plunger portions of the spring probes of the outer conductor.

US Pat. No. 10,693,265

BUS BAR AND POWER ELECTRONIC DEVICE WITH CURRENT SHAPING TERMINAL CONNECTOR AND METHOD OF MAKING A TERMINAL CONNECTOR

GE GLOBAL SOURCING LLC, ...

1. A bus bar comprising:a terminal connector comprising:
a first U-shaped wing layer;
a Y-shaped wing layer that is separate from the first U-shaped wing layer; and
a second U-shaped wing layer that is separate from the first U-shaped wing layer and the Y-shaped wing layer;
wherein the terminal connector is a current shaping terminal connector, the Y-shaped wing layer is sandwiched between the first U-shaped layer and the second U-shaped wing layer, each of the first U-shaped wing layer, Y-shaped wing layer, and the second U-shaped wing layer including plural elongated ends having a connector hole in each of the elongated ends for electrical connections,
wherein the first U-shaped wing layer, the Y-shaped wing layer, and the second U-shaped wing layer overlap each other, the Y-shaped wing layer including a projecting tab having a pre-defined load location and extending from the Y-shaped wing layer in a direction that is located between and oriented opposite of directions in which the elongated ends that the Y-shaped wing layer are elongated, wherein the first U-shaped wing layer and the second U-shaped wing layer do not have the projecting tab extending in the direction that is between and oriented opposite of the directions in which the elongated ends that the first U-shaped wing layer and the second U-shaped wing layer are elongated.

US Pat. No. 10,693,264

PROTECTIVE HOOD FOR OUTDOOR ELECTRICAL OUTLETS

A. C. Dandy Products Ltd....

1. A protective hood for an outdoor electrical outlet, said protective hood comprising:(a) a flat top surface having an inner edge, an outer edge, and opposing side edges extending between said inner and outer edges of the top surface;
(b) a bottom surface having an inner edge, an outer edge, and opposing side edges extending between said inner and outer edges of the bottom surface, with the outer edge of the bottom surface being parallel to and adjoining the outer edge of the top surface, and with the top and bottom surfaces being oriented so as to enclose an between about 45 degrees and about 90 degrees along the juncture of the outer edges the top and bottom surfaces; and
(c) two opposing side panels, each extending between the top and bottom surfaces, proximal to corresponding side edges thereof;wherein:(d) the bottom surface slopes upward and away from the inner edge of the bottom surface, relative to a reference plane extending between the inner edges of the top and bottom surfaces;
(e) the bottom surface has an aperture, wherein said aperture is sized to receive one or more power cords or an electrical outlet; and
(f) the top surface is perpendicular to said reference plane.

US Pat. No. 10,693,263

SYSTEMS AND METHODS FOR AUDIO CONNECTORS FOR POWERED CARDS AND DEVICES

DYNAMICS INC., Pittsburg...

1. A card comprising:an audio connector and said card having three orthogonal dimensions, wherein said audio connector is smaller than said card in each of said three orthogonal dimensions;
a processor; and
a detector operable to detect a position of said audio connector and to communicate said detection to said processor.

US Pat. No. 10,693,262

SPARKLESS SOCKET

ELIFECONNECTION CO., LTD....

1. A sparkless socket, configured to be plugged with a pair of pins of a plug, comprising:a socket, wherein a first slot and a second slot are configured in the socket, a through hole is configured on a slot wall of each of the first slot and the second slot, and the through holes face each other;
a sensing module, comprising:
an emitter, configured to emit infrared light; and
a first receiver, configured to receive the infrared light via a light guide element module and at least one of the through holes and generate a first sensing result accordingly;
a controller, coupled to the sensing module, configured to receive the first sensing result, and connected to a city power system; and
a switching module, coupled between the socket and the controller to receive an alternating-current (AC) power from the city power system, and controlled by the controller to transmit the AC power to the socket,
wherein when the controller determines that the first receiver does not receive the infrared light according to the first sensing result, the controller enables the switching module and the AC power is provided to the socket through the switching module,
wherein after the switching module is enabled by the controller, once the controller determines that the first receiver receives the infrared light based on the first sensing result, the controller disables the switching module within 0.015 seconds, such that sparks are prevented from being generated between the pair of pins and the first slot and the second slot of the socket,
wherein the switching module comprises:
an electromagnetic relay, coupled between the controller and the socket to receive the AC power from the city power system, and controlled by a first control signal to transmit the AC power to the socket;
a solid state relay, coupled to the controller to receive the AC power; and
a protection circuit, coupled between the solid state relay and the socket,
wherein the solid state relay is controlled by a second control signal and transmits the AC power through the protection circuit to the socket,
wherein the protection circuit is controlled by the second control signal to detect a load power of the socket while the solid state relay is on, if the solid state relay is over-loaded, the protection circuit generates the first control signal to turn on the electromagnetic relay to protect the solid state relay which is on and the AC power is still provided to the socket by the switching module after the electromagnetic relay is turned on for protecting the solid state relay.

US Pat. No. 10,693,261

FLIPPABLE ELECTRICAL CONNECTOR

FOXCONN INTERCONNECT TECH...

1. A receptacle connector, comprising:a housing comprising a base and a mating tongue in front of the base, the mating tongue defining a thickened portion at a root to the base, the mating tongue defining a pair of lateral locking sides;
two rows of contacts with contacting section exposing to opposite surfaces of the mating tongue in front of the thickened portion and tail sections extending out of the base; and
a metallic shield retained on the base and surrounding the mating tongue to define a mating cavity among the shield and the mating tongue;
wherein the metallic shield is formed via a deep drawing process.

US Pat. No. 10,693,260

MOUNTING FRAME COMPRISING A PE CONTACT

1. A mounting frame, comprising:two long side walls;
two short side walls, the long side walls being connected to the short side walls at corner edges to form a generally rectangular hollow cuboid body; and
at least one PE contact arranged at one of the corner edges, the at least one PE contact having
a first generally flat connecting piece arranged parallel to one of the two long side walls,
a first upper limb extending at a right angle from an upper end of the first generally flat connecting piece,
a first lower limb extending at a right angle from a lower end of the first generally flat connecting piece parallel to the first upper limb,
a second generally flat connecting piece arranged parallel to one of the two short side walls,
a second upper limb extending at a right angle from an upper end of the second generally flat connecting piece, and
a second lower limb extending at a right angle from a lower end of the second generally flat connecting piece parallel to the second upper limb.

US Pat. No. 10,693,259

CONNECTOR PORT ASSEMBLY FOR AN ELECTRONIC DEVICE

Hewlett-Packard Developme...

1. A connector port assembly for use in an electronic device, comprising:a connector port;
a fastener assembly to fasten the connector port to a casing of the electronic device through at least one resilient member; and
a flexible ring disposed around an outer surface of the connector port, wherein the fastener assembly and the flexible ring are to provide a bend angle for the connector port;
wherein the fastener assembly includes a first resilient member securable between the fastener assembly and a screw boss portion of the casing, the first resilient member including an opening to receive a fastener to fasten the connector port to the casing.

US Pat. No. 10,693,258

SUBMERSIBLE MOTOR AND WATERPROOF CONNECTOR

EBARA CORPORATION, Tokyo...

1. A submersible motor comprising:a motor body;
a power cable for supplying power to the motor body;
a cable contact electrically connected to the power cable;
a cable-side insulating member to which the cable contact is liquid-tightly coupled;
a motor contact connected to the cable contact;
a motor-side insulating member to which the motor contact is liquid-tightly coupled; and
an insulating resin that fills an enclosed space formed between the cable-side insulating member and the motor-side insulating member, wherein a connecting portion of the cable contact and the motor contact is covered with the resin.

US Pat. No. 10,693,257

IMPLANTABLE ELECTROMECHANICAL PLUG CONNECTOR

Neuroloop GmbH, Freiburg...

1. An implantable electromechanical plug connector including a plug part and a socket part, comprising:the plug part has a joining portion which is insertable completely into an unilaterally open insertion opening within the socket part and the plug part has an electrically insulating surface having an electrode body with a freely accessible electrode surface;
the socket part inside the unilaterally open insertion opening including an electrically insulating wall portion which laterally limits in at least parts the insertion opening and has a surface providing a counterelectrode body including a freely accessible counterelectrode surface;
the at least electrically insulating wall portion being oriented towards the electrically insulating surface of the joining portion of the plug part when the joining portion of the plug part is completely inserted into the insertion opening of the socket part so that the counterelectrode surface contacts the electrode surface;
the electrode body being raised in relation to the electrically isolating surface of the joining portion and/or the counterelectrode body is raised in relation to the surface of the electrically isolating wall portion;
an electrically insulating polymer layer configured at least in part between the electrically insulating surface of the joining portion and the surface of the electrically insulating wall portion and completely surrounding the counterelectrode surface and electrode surface which are in contact; and
the plug part includes electrically conducting layers which are each electrically insulated from each other and are configured into a stacked layer composite, with each electrically conducting layer leading to the electrically insulating surface providing a contact area and with each contact area being raised above the electrically insulating surface and contacting an electrode body.

US Pat. No. 10,693,256

NUT SEAL CONNECTOR ASSEMBLY

PPC BROADBAND, INC., Eas...

1. An assembly comprising:a coupler comprising a forward end, a rearward end, and an outer surface having a radially-extending shoulder between the forward end and the rearward end, the forward end being configured to engage a coaxial interface port;
a grip ring having a forward end and a rearward end, the rearward end having a rearward facing surface, the grip ring being configured to receive at least a part of the forward end of the coupler, wherein the part of the forward end of the coupler extends forwardly from the shoulder; and
a seal member configured to engage the grip ring, the grip ring and the coupler being configured to physically capture the seal member therebetween when in an assembled state, wherein
the assembled state is defined by the grip ring and the seal member being engaged with one another and the coupler being received by the grip ring,
the seal member has a first sealing surface configured to engage a second sealing surface of the coupler to create an environmental seal between the seal member and the coupler in the assembled state,
the seal member comprises a forward portion, a rearward portion, and an intermediate portion between the forward portion and the rearward portion, the intermediate portion tapering from the rearward portion to the forward portion,
the seal member is a single piece, and the forward portion, the intermediate portion, and the rearward portion comprise an entirety of the seal member,
a radially innermost inner surface of the seal member is at the forward portion of the seal member,
the radially-extending shoulder of the coupler and the rearward facing surface of the grip ring are configured to cooperate to limit forward axial movement of the coupler relative to the grip ring in the assembled state,
the seal member includes a first cooperative structure configured for cooperative engagement with a second cooperative structure at the forward end of the grip ring to facilitate operable attachment between the seal member and the grip ring, and
the grip ring includes an inner wall having an annular detent section between the second cooperative structure and the rearward end, the annular detent section being configured to receive an annular section of the seal member, a rearward end of the annular detent section being delimited by a radially-extending, forward-facing wall, the forward-facing wall and the second cooperative structure being configured to retain the annular section of the seal member in the annular detent section and hinder axial displacement of the seal member relative to the grip ring.

US Pat. No. 10,693,255

CONNECTOR-EQUIPPED ELECTRICAL WIRES, AND FITTING BODY FOR CONNECTOR-EQUIPPED ELECTRICAL WIRES

AUTONETWORKS TECHNOLOGIES...

1. A connector-equipped electrical wire comprising:a connector housing that includes a cavity that opens on a back side;
a terminal-equipped electrical wire that includes an electrical wire and a terminal attached to an end of the electrical wire, and that is connected to the connector housing when the terminal is held inside the cavity and the electrical wire is curved so as to run through a back surface-side opening of the cavity and extend outward of an outer circumference of the connector housing; and
a cover that is attached to the connector housing so as to open on a side where the electrical wire extends outward of the outer circumference of the connector housing, to open on an opposite side from the side where the electrical wire extends outward of the outer circumference of the connector housing, and to cover at least the opening of the cavity on the back side of the connector housing, wherein
the electrical wire is drawn in a downward direction in an installation posture of the connector housing, and
a first opening that is uncovered by the cover is formed with a periphery of the first opening defined by the back side of the connector housing and the cover, and the first opening opens toward a direction opposite to the downward direction in which the electrical wire is drawn in the installation posture.

US Pat. No. 10,693,254

DUMMY PIN

JAPAN AVIATION ELECTRONIC...

1. A dummy pin for use in a waterproof connector, the waterproof connector including: a housing that has at least one terminal insertion port; and a waterproof member that is elastically deformable, is disposed in the housing and has at least one seal hole corresponding to the at least one terminal insertion port and having a central axis, the at least one seal hole having two or more lip portions that annularly project toward the central axis and are aligned in a direction of the central axis, the dummy pin comprising:a pin main body that is to be inserted into the at least one terminal insertion port and is formed by molding resin,
wherein the pin main body has: a waterproof portion having a cylindrical seal surface that makes tight contact with an inner surface of the at least one seal hole by elastically compressing a part of the two or more lip portions of the waterproof member; and a falling-off prevention portion having one or more concave portions that are partially recessed from the seal surface toward the central axis and that a remaining lip portion of the two or more lip portions of the waterproof member enters, and
the seal surface forms a continuous surface over an entire circumferential direction of the waterproof portion,
the dummy pin further comprises a head portion that is joined to one end of the pin main body in a length direction thereof and has a size larger than an inside diameter of the at least one terminal insertion port,
the pin main body has a fitting portion to be fitted with the at least one terminal insertion port, the fitting portion being positioned closer to the one end of the pin main body in the length direction than the waterproof portion and having an outside diameter larger than that of the seal surface,
the dummy pin further comprises at least one press-fitting rib on a surface of the fitting portion.

US Pat. No. 10,693,253

MOVABLE SOCKET ASSEMBLY

SHANUTEC (SHANGHAI) CO., ...

1. An extendable socket assembly, comprising:a housing;
a plug part comprising a flat insertion piece installed in the housing, wherein the plug part has an extended configuration and a retraced configuration, the flat insertion piece includes two insulation layers and three conducting strips, and the conducting strips are insulatively separated from each other and placed between the two insulation layers;
a lock assembly having a locked state and an unlocked state, wherein the lock assembly includes a movable element having a first position in the locked state and a second position in the unlocked state; and
wherein the movable element is configured for controlling the transformation of the plug part from the retraced configuration to the extended configuration by moving the movable element from the first position to the second position.

US Pat. No. 10,693,252

ELECTRICAL CONNECTOR ASSEMBLY FOR HIGH-POWER APPLICATIONS

Riddell, Inc., Des Plain...

1. An electrical connector assembly for use in a high-power application that exposes the connector assembly to elevated temperatures and thermal cycling, the connector assembly comprising:a first electrically conductive connector formed from a first material, the first connector having a side wall arrangement defining a receiver that extends from an open first end towards a second end, the side wall arrangement having at least one side wall with (i) an aperture and (ii) a contact beam extending from a first portion of the side wall, across an extent of the aperture, and towards a second portion of the side wall, and wherein the contact beam includes a free end that terminates inward of an outer surface of the side wall;
an internal spring member formed from a second material and dimensioned to reside within the receiver of the first connector, the spring member having a base and at least one spring arm that extends from the base;
a second electrically conductive connector with a receptacle dimensioned to receive both the first connector and the spring member residing within the receiver of the first connector to define a connected position that withstands elevated temperatures and thermal cycling resulting from the high-power application;
wherein in the connected position, the spring arm of the spring member exerts an outwardly directed force on the contact beam of the first connector to outwardly displace the contact beam into engagement with an inner surface of the receptacle of the second connector to maintain the first and second connectors in the connected position.

US Pat. No. 10,693,251

ANNULAR WET CONNECTOR

Baker Hughes, a GE Compan...

1. A connector assembly for use in a downhole tool string comprising:an axis;
an annular male sub having an upstream end profiled for attachment to a first downhole tool, a downstream end, and a protrusion on an outer surface;
an annular female sub having an upstream end adapted for insertion of the downstream end of the male sub, a downstream end profiled for attachment to a second downhole tool, and a sidewall having an aperture that receives the protrusion when the male sub is inserted into the upstream end;
a socket assembly in the male sub that comprises,
receptacles arranged along a path that circumscribes the axis, and
signal leads that are connected to each of the receptacles; and
a plug assembly in the female sub that comprises,
conductor elements that each engage a one of the receptacles when the annular male sub and the annular female sub are latched to one another,
insulating tabs disposed between adjacent ones of the conductor elements that occupy spaces between adjacent receptacles when the conductor elements engage the receptacles and define electrically insulating barriers in the spaces, and
signal leads that are connected to each of the conductor elements, and that are in respective communication with the signal leads connected to the receptacles;
wherein the socket and plug assemblies comprise an electrical wet connect when the conductor elements engage the receptacles; and
wherein the signal leads connected to the receptacles are in signal communication with the first downhole tool, and the signal leads connected to the conductor elements are in signal communication with the second downhole tool, and the first and second downhole tools are in signal communication via the electrical wet connection.

US Pat. No. 10,693,250

HYBRID FLUID CIRCULATION AND SIGNAL TRANSMISSION DEVICE

COVAL, Montelier (FR)

1. A fluid circulation device comprising at least one fluid circulation tube, a first coupling sealingly coupled to a first end of the tube and a second coupling sealingly coupled to a second end of the tube in such a way as to allow the circulation of fluid between said two couplings via the tube, wherein the device further comprises separate electronic means, and the tube is provided with at least one conductor track extending along an outer surface of the tube, with said track being suitable for transmitting at least one signal and arranged in such a way as to engage with the abovementioned electronic means, said device including at least one secondary electronic means which is independent of the couplings and which includes at least one electronic card and a connector engaging with the electronic card and the conductor track of the fluid circulation tube in such a way as to allow the transmission of a signal between the electronic card and the conductor track via the connector, wherein the electronic card includes a hole arranged in such a way that the fluid circulation tube goes through the electronic card.

US Pat. No. 10,693,249

ELECTRICAL CONNECTOR HAVING WAFER GROUPS ASSEMBLED TO SLOTS

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

1. An electrical connector, comprising:a shell, comprising:
a first frame portion defining a first slot;
a second frame portion defining a second slot;
a bridging portion connecting the first frame portion and the second frame portion, the bridging portion, the first frame portion and the second frame portion cooperatively defining an air flow channel;
a first supporting portion positioned at a first side of the shell; and
a second supporting portion positioned at a second side of the shell, the second side being opposite to the first side;
a first wafer group assembled to the first slot; and
a second wafer group assembled to the second slot, wherein each of the first wafer group and the second wafer group comprises a first wafer and a second wafer, each of the first wafer and the second wafer comprises a wafer housing, the wafer housing has a mounting face and a mating face, the mounting face is perpendicular to the mating face.

US Pat. No. 10,693,248

METHOD FOR ELECTRICALLY CONNECTING AN ELECTRONIC MODULE AND ELECTRONIC ASSEMBLY

Infineon Technologies AG,...

1. An electronic assembly, comprising:an electronic module comprising an electric terminal, the electric terminal including a press-fit section that comprises at least one of the following alloys: CuFeP; CuZr; CuCrZr; CuMg; CuCrTiSi; CuCrAgFeTiSi; and CuNiSiMg;
an electric part comprising a contact hole; and
a press-fit connection between the press-fit section and the electric part in which the press-fit section is plastically deformed and both mechanically and electrically contacts the electric part.

US Pat. No. 10,693,247

FIXATION STRUCTURE

YAZAKI CORPORATION, Mina...

1. A fixation structure comprising:an electrical wire including a core wire that is conductive and a cover member that covers the core wire, the electrical wire including a core-wire covered part covered by the cover member and a core-wire exposed part exposed from the core-wire covered part;
a board including a junction part electrically connected with the core-wire exposed part; and
a stapler including a contact part that has a plate shape and is positioned at a boundary between the core-wire exposed part and the core-wire covered part while contacting the core-wire exposed part and the core-wire covered part from a side opposite to the board when the core-wire exposed part is connected with the junction part, and a pair of fixation parts that are provided on both sides of the contact part and fix the contact part and the board, wherein
the electrical wire is a flat cable including a plurality of the core wires arranged in an intersection direction intersecting an extension direction in which the core wires extend,
the stapler includes a stapler insulative part that is insulative, extends from the contact part to the core-wire exposed part side, and is positioned between the core wires adjacent to each other at the core-wire exposed part, and
the stapler includes a core-wire positioning part extending from the contact part to the core-wire covered part side, penetrating through the cover member between the core wires adjacent to each other at the core-wire covered part, and having a leading end part positioned to the board.

US Pat. No. 10,693,246

TERMINAL ASSEMBLY FOR USE WITH CONDUCTORS OF DIFFERENT SIZES AND METHOD OF ASSEMBLING

Lear Corporation, Southf...

1. A terminal, comprising:a terminal body, and
a first conductor wing extending from the terminal body, the first conductor wing including an end portion, a middle portion, and a connecting portion,
a first insulator wing extending from the terminal body, the first insulator wing including an end portion, a middle portion, and a connecting portion, and
wherein an inner surface of the end portion of the first conductor wing is in contact with an inner surface of the middle portion of the first conductor wing; an inner surface of the end portion of the first insulator wing is in contact with an inner surface of the middle portion of the first insulator wing; and the first conductor wing is offset from the first insulator wing in a longitudinal direction.

US Pat. No. 10,693,245

SPATIAL POWER-COMBINING DEVICES AND ANTENNA ASSEMBLIES

Qorvo US, Inc., Greensbo...

1. A spatial power-combining device comprising:an input coaxial waveguide section;
an output coaxial waveguide section;
a center waveguide section that is between the input coaxial waveguide section and the output coaxial waveguide section, wherein the center waveguide section comprises:
an input center waveguide section comprising an input inner housing and an input outer housing, the input inner housing comprising a plurality of input signal conductors;
an output center waveguide section comprising an output inner housing and an output outer housing, the output inner housing comprising a plurality of output signal conductors; and
a core section that forms an integral single component with the input inner housing and the output inner housing; and
a plurality of amplifiers that are registered with the core section.

US Pat. No. 10,693,244

INDEPENDENT AZIMUTH PATTERNS FOR SHARED APERTURE ARRAY ANTENNA

CommScope Technologies LL...

1. A multiband antenna, comprising:a plurality of first ports that are configured to receive signals in a first frequency band;
a plurality of second ports that are configured to receive signals in a second frequency band; and
a plurality of columns of radiators, each column of radiators coupled to one of the first ports and to one of the second ports;
wherein the multiband antenna is configured to transmit signals in the first frequency band in an Mx1 multi-input-multi-output (“MIMO”) configuration and to transmit signals in the second frequency band in an Nx1 MIMO configuration, where N is greater than M.

US Pat. No. 10,693,243

SINGLE BAND DUAL CONCURRENT NETWORK DEVICE

Extreme Networks, Inc., ...

1. A polarized antenna, comprising:a first conductive plate comprising a first plurality of antenna blades coupled to each other at a first central portion of the first conductive plate; and
a second conductive plate comprising a second plurality of antenna blades coupled to each other at a second central portion of the second conductive plate,
wherein the first conductive plate and the second conductive plate overlay each other and are electrically coupled together at a central joint, and
wherein the first conductive plate is configured to be orthogonally polarized with respect to the second conductive plate to provide isolation between the first and second conductive plates for concurrent access to network services, via the first and second conductive plates, over a single frequency band.

US Pat. No. 10,693,241

MULTI-ANTENNA CONTROL IN WIRELESS USER DEVICES

Sprint Communications Com...

1. A method of operating a wireless communication system comprising wireless communication devices that have antennas that have earth-orientations, the method comprising:the wireless communication devices wirelessly exchanging network signaling with a wireless access node over at least some of the antennas wherein some of the network signaling indicates Device-to-Device (D2D) communication times and frequencies;
the wireless communication devices wirelessly exchanging device signaling with each other over at least some of the antennas using the D2D communication times and frequencies wherein some of the device signaling indicates the earth orientations for at least some of the antennas;
the wireless communication devices selecting a subset of the antennas based on the earth orientations; and
the wireless communication devices wirelessly exchanging user data with each other over the selected subset of the antennas using the D2D communication times and frequencies.

US Pat. No. 10,693,240

ANTENNA AND COMMUNICATIONS DEVICE

HUAWEI TECHNOLOGIES CO., ...

1. An antenna comprising:a cable feeding port;
a plurality of feeders comprising a first feeder;
a microstrip antenna array comprising a plurality of array elements, wherein each of the array elements is connected to the cable feeding port using one of the feeders, wherein the array elements comprise a first array element located at a periphery of the array elements and connected to the first feeder, wherein the first feeder is an entrance feeder of the first array element so that the first feeder is connected to the first array element, but no other array elements; and
a first energy attenuation circuit located at the first feeder, dividing the first feeder into a first segment and a second segment, and comprising:
a first end connected to the cable feeding port using the first segment;
a second end connected to the first array element using the second segment;
a third end configured to connect to a ground; and
a resistor configured to consume a part of an energy in the first feeder when the resistor is grounded.

US Pat. No. 10,693,238

DUAL BAND ANTENNA WITH INTEGRATED CONDUCTIVE BEZEL

Hewlett-Packard Developme...

1. A dual band antenna in a mobile device having a peripheral conductive member, comprising:a multilayer PCB having a first antenna feed trace, a second antenna feed trace, a ground trace; and a connecting trace disposed on a dielectric substrate, and wherein the connecting trace to couple the first antenna feed trace, the second antenna feed trace, and the ground trace; and
a connecting element to couple to the connecting trace with the peripheral conductive member to form an integrated resonant element.

US Pat. No. 10,693,237

METHOD OF EMPLOYING A SUBSURFACE ANTENNA IN TWO REGIONS

CHEVRON U.S.A. INC., San...

1. A method of employing a subsurface antenna in an oil-bearing formation, the method comprising:determining electrical characteristics of at least a portion of the oil-bearing formation;
classifying the portion of the oil-bearing formation into at least two regions including a first region of the oil-bearing formation and a second region of the oil-bearing formation based on the electrical characteristics, wherein the electrical characteristics are different in the first region of the oil-bearing formation than in the second region of the oil-bearing formation; and
radiating electromagnetic waves from the subsurface antenna installed in a wellbore into the first region of the oil-bearing formation and the second region of the oil-bearing formation in an asymmetric radiation pattern, wherein the asymmetric radiation pattern radiates electromagnetic waves unequally to the first region of the oil-bearing formation and the second region of the oil-bearing formation to compensate for the different electrical characteristics in the first and second regions of the oil-bearing formation in a manner such that the oil-bearing formation can be heated in a uniform manner.

US Pat. No. 10,693,236

IRIS MATCHED PCB TO WAVEGUIDE TRANSITION

Waymo LLC, Mountain View...

1. An apparatus comprising:a circuit board configured to propagate an electromagnetic signal;
a waveguide configured to propagate the electromagnetic signal, wherein the waveguide comprises a first portion of a waveguide channel located in a top block and a second portion of the waveguide channel located in a bottom block, and wherein the first portion and the second portion are coupled together to form the waveguide channel; and
a coupling port configured to couple a signal between the circuit board and the waveguide, wherein the coupling port has a waveguide portion with dimensions based on a desired impedance of the port, and wherein the coupling port is located in the bottom block.

US Pat. No. 10,693,235

PATCH ANTENNA ELEMENTS AND PARASITIC FEED PADS

The Government of the Uni...

1. A system, comprising:a first patch antenna element configured to operate at a first base frequency and operate with a first resistance and a first inductance;
a first parasitic feed pad configured to produce a first capacitance configured to at least partially cancel the first inductance;
a second patch antenna element configured to operate at a second base frequency and operate with a second resistance and a second inductance;
a second parasitic feed pad configured to produce a second capacitance configured to at least partially cancel the second inductance,
where the first base frequency and the second base frequency are different frequencies.

US Pat. No. 10,693,234

LOW PROFILE ANTENNA SYSTEM

Ethertronics, Inc., Sant...

1. An antenna system, comprising:a ground plate;
a radiating element positioned above the ground plate forming a gap therebetween;
a plurality of tuning elements coupled to the ground plate, each of the plurality of tuning elements extending between the ground plate and the radiating element;
a feed conductor connected to the radiating element; and
a tunable capacitor coupled to the ground plate and positioned beneath the radiating element.

US Pat. No. 10,693,233

PATCH ANTENNA UNIT AND ANTENNA

HUAWEI TECHNOLOGIES CO., ...

1. A patch antenna unit, comprising:a first support layer;
a substrate disposed on the first support layer in a stacked manner;
a second support layer that is disposed on one side of the substrate and that is away from the first support layer;
an integrated circuit that is disposed on one side of the second support layer that is away from the substrate;
a first radiation patch that is attached to one side of the first support layer that is away from the substrate;
a second radiation patch that is attached to one side of the substrate that is away from the second support layer, wherein the first radiation patch and the second radiation patch are center-aligned;
a first ground layer that is disposed on one side of the second support layer that faces the substrate, wherein a coupling slot is disposed on the first ground layer, wherein a feeder is coupled to the first radiation patch and the second radiation patch by the coupling slot that is disposed on the one side of the second support layer that is away from the substrate, and wherein the integrated circuit is electrically coupled to the first ground layer and the feeder; and
a second ground layer that is disposed on the first support layer and that is disposed on a same layer as the first radiation patch, wherein a first slot is disposed between the second ground layer and the first radiation patch, and wherein the second ground layer is electrically coupled to the first ground layer.

US Pat. No. 10,693,232

SYSTEMS AND METHODS FOR PROVIDING VIBRATION TRANSDUCTION AND RADIO-FREQUENCY COMMUNICATION IN PROXIMITY TO AN ELECTRICALLY CONDUCTIVE STRUCTURE

Capital One Services, LLC...

1. A method for using radio-frequency communication to initiate vibration transduction in proximity to an electrically conductive structure, the method comprising:transmitting a radio-frequency signal to an antenna element that is in proximity to an electrically conductive structure within a system; and
initiating, with the radio-frequency signal, vibration transduction by a vibration transducer positioned between the antenna element and the conductive structure, wherein:
the vibration transducer comprises a first material that comprises a ferromagnetic material with piezoelectric properties, and
initiating vibration transduction with the radio-frequency signal comprises initiating the output of an electrical signal by an electronic circuit, wherein a first component of the circuit is coupled to the vibration transducer and a second component of the circuit is coupled to the antenna element.

US Pat. No. 10,693,231

TRANSMIT/RECEIVE SWITCHING CIRCUIT

QUALCOMM Incorporated, S...

1. A transmit/receive switching circuit, comprising:an antenna node;
a power amplifier coupled to the antenna node;
a first switch coupled to the antenna node;
a low noise amplifier coupled to the first switch, the first switch in shunt with the low noise amplifier;
an inductor having a first node coupled to the antenna node and a second node coupled to the first switch;
a second switch coupled to the antenna node via the second node of the inductor; and
a transformer coupling the power amplifier to the antenna node.

US Pat. No. 10,693,230

DYNAMIC DIRECTIONALITY FOR MOBILE AD-HOC NETWORKS

Rockwell Collins, Inc., ...

1. A computer apparatus comprising:a processor;
an electronically steerable antenna connected to the processor;
a peer node position database connected to the processor, configured to store positions of nodes in a mobile ad-hoc-network;
a memory connected to the processor; and
computer executable program code configured to execute on the processor,
wherein the computer executable program code is configured to:
periodically report a position value associated with the computer apparatus to two or more peer nodes;
receive one or more peer node position values associated with one or more peer nodes;
store the one or more peer node position values in the peer node position database;
calculate a current position of the one or more peer nodes based on a relative change of peer node position values and a change in position values associated with the computer apparatus between periodic reporting cycles;
determine that at least one peer node position value is out-of-date based on a predetermined length of time since a prior position update;
remove the at least one peer node position value from the peer node position database;
identify a message for a target node;
determine if a position of the target node is known with reference to the peer node position database;
upon determining that the position of the target node is known:
determine one or more signals configured to focus the electronically steerable antenna toward the position of the target node;
apply the one or more signals to the electronically steerable antenna; and
transmit the message to the target node with the electronically steerable antenna in a directional mode; and
upon determining that the position of the target node is unknown:
transmit the message with the electronically steerable antenna in an omnidirectional mode.

US Pat. No. 10,693,229

ELECTRONICALLY PIVOTABLE ARRAY ANTENNA WITH BROADCAST-BASED CONTROL

1. A phased array antenna with an electronically variable antenna pattern, comprising:at least two phased antenna elements for transmitting or receiving useful signal components having different phase positions via at least two phase control elements; and
at least two receiver elements assigned to said phase control elements, for receiving the same broadcast control signal for all of said phase control elements in a frequency band differing from the frequency band of the useful signal components, wherein the receiver elements are configured to detect the broadcast control signals on feed lines for the useful signal components of the phased antenna elements.

US Pat. No. 10,693,228

ANTENNA KIT

TRANS ELECTRIC CO., LTD.,...

1. An antenna kit comprising:a main antenna unit to be disposed on a first dielectric substrate, and including two main radiating modules substantially symmetrical with respect to a first axis, each of said main radiating modules including a main feed point that is adjacent to the first axis, a main radiating portion that extends and expands from said main feed point and away from the first axis, and an extending portion that extends toward the first axis from a first vertex part of said main radiating portion distal from the first axis and that does not reach the first axis;
an auxiliary antenna unit to be disposed on a second dielectric substrate, and substantially symmetrical with respect to a second axis, said auxiliary antenna unit including two auxiliary feed points respectively disposed at two sides of the second axis and adjacent to the second axis, two auxiliary radiating portions each extending and expanding from a respective one of said auxiliary feed points and away from the second axis, and a connecting portion connected to respective first vertex parts of said auxiliary radiating portions distal from the second axis; and
two connecting units, each of which is connected to a second vertex part of said main radiating portion of a respective one of said main radiating modules that is distal from said main feed point and said extending portion of said respective one of said main radiating modules, and each of which is connected further to a second vertex part of a respective one of said auxiliary radiating portions that is distal from said auxiliary feed points and said connecting portion, each of said connecting units being capable of being assembled such that said main radiating portion of said respective one of said main radiating modules and said respective one of said auxiliary radiating portions are connected to each other via said assembled connecting unit.

US Pat. No. 10,693,227

PATCH ARRAY ANTENNA, DIRECTIVITY CONTROL METHOD THEREFOR AND WIRELESS DEVICE USING PATCH ARRAY ANTENNA

NEC CORPORATION, Tokyo (...

1. A patch array antenna comprising:first to Nth (N is an integer equal to or more than 3) antenna elements being formed side by side on a dielectric substrate in a first direction;
a first unequal distribution circuit that is formed on the dielectric substrate in the first direction adjacently to the first to Nth antenna elements on a first side and distributes a first high-frequency signal fed from a first power feeding point to the first to Nth antenna elements; and
a second unequal distribution circuit that is formed on the dielectric substrate in the first direction adjacently to the first to Nth antenna elements on a second side opposite to the first side and distributes a second high-frequency signal fed from a second power feeding point to the first to Nth antenna elements, wherein,
in the first unequal distribution circuit, a first distribution ratio of a power of the first high-frequency signal to be distributed from the first power feeding point to the first to Nth antenna elements is set to be one of monotone increasing and monotone decreasing with respect to a row of the first to Nth antenna elements,
in the second unequal distribution circuit, a second distribution ratio of a power of the second high-frequency signal to be distributed from the second feeding point to the first to Nth antenna elements is set to be another of monotone increasing and monotone decreasing with respect to a row of the first to Nth antenna elements, and
directivity is controlled by changing a phase difference between the first and second high-frequency signals.

US Pat. No. 10,693,226

ELECTRONIC DEVICE, AND RADIO-FREQUENCY DEVICE AND SIGNAL TRANSMISSION COMPONENT THEREOF

WISTRON NEWEB CORPORATION...

1. A radio frequency device operable in an operating frequency band, comprising:a signal connector;
a radio frequency circuit;
a signal transmission line disposed between the signal connector and the radio frequency circuit;
an electrostatic protection unit that is electrically connected to the signal transmission line, and that includes a connecting end electrically connected with the signal transmission line, and a grounding end; and
a carrier board, the signal transmission line and the electrostatic protection unit are disposed on the same surface of the carrier board;
wherein an impedance of the electrostatic protection unit is greater than an impedance of the signal transmission line;
wherein an electrical length is defined between the connecting end and the grounding end, and the electrical length is less than ¼ of a wavelength corresponding to a lowest operating frequency within the operating frequency band; and
wherein the grounding end of the electrostatic protection unit is electrically connected to the grounded metal layer, and wherein a separating distance is between the electrostatic protection unit and the grounded metal layer.

US Pat. No. 10,693,225

RADOME STRUCTURE, PROTECTED RADIATION-ACTIVE SYSTEM AND METHODS FOR USING THE SAME

Saint-Gobain Performance ...

1. A layer structure of a radome for use with radiation of a free space frequency, the layer structure having an exposed outer surface and an inner surface, the layer structure comprising:a core having an inside surface and an outside surface, the outside surface of the core being within 0.75 mm of the exposed outside surface of the layer structure of the radome, the core including a first core layer having a first relative permittivity of at least 2.3 and a second core layer having a second relative permittivity of at least 2.3, the first core layer defining the outside surface of the core and the second core layer defining the inside surface of the core, and an intermediate core layer between the first core layer and the second core layer; and
an inner structure disposed on the inside surface of the core, the inner structure having an outside surface abutting the core and an inside surface that is exposed, the inner structure including at least one layer, wherein each of the first relative permittivity and second relative permittivity is at least 0.4 greater (e.g., at least 0.7 greater, at least 1 greater, or at least 1.3 greater) than a relative permittivity of any layer in the inner structure.

US Pat. No. 10,693,224

RADIO-WAVE TRANSMITTING COVER AND METHOD FOR SETTING THICKNESS OF RADIO-WAVE TRANSMITTING COVER

TOYODA GOSEI CO., LTD., ...

1. A radio-wave transmitting cover, which is configured to be arranged in a path of a radio wave of a radio-wave radar device, wherein a thickness of the cover is set to a reference thickness at a reference position where an incident angle of the radio wave from the radio-wave radar device is 0° , the reference thickness is set to a value obtained by multiplying half of a wavelength of the radio wave by an integer so that a radio wave attenuation, which changes periodically according to the thickness of the cover, has a local minimum, and in an area around the reference position, the thickness of the cover is gradually changed such that the greater a distance from the reference position, the greater becomes a difference by which the thickness of the cover is larger than the reference thickness, such that the radio wave attenuation, which changes periodically according to the thickness of the cover, has a local minimum, wherein the cover includes a base, which has a back on which the radio wave from the radio-wave radar device is incident, and a front-side member, which is provided on a surface on a side opposite to the back of the base, and a small curvature portion in which a curvature is partially reduced is provided at an interface between the base and the front-side member.

US Pat. No. 10,693,223

LOW LOSS TRI-BAND PROTECTIVE ARMOR RADOME

ATC Materials Inc., West...

1. A tri-band radome cover comprising:a) a ballistic protective composite comprising:
i) an outside surface;
ii) an inside surface;
iii) a strike plate configured on the outside surface and consisting essentially of a thermoplastic polymer sheet and having a strike plate dielectric constant of between 2 and 4;
iv) a capture layer;
v) a tuning layer configured on the inside surface and comprising a low density material having a density of no more than 0.64 g/cc;
 wherein the capture layer is configured between the strike plate and the tuning layer;
 wherein the strike plate dielectric constant is greater than the capture layer dielectric constant and wherein the capture layer dielectric constant is greater than the tuning layer dielectric constant;
 wherein the ballistic protective composite has a progressively decreasing dielectric constant from the outside surface to the inside surface.

US Pat. No. 10,693,222

METHOD OF MANUFACTURING ANTENNA DEVICE AND ANTENNA DEVICE

SUMIDA CORPORATION, (JP)...

1. A method of manufacturing an antenna comprising:forming an integrated assembly that is configured with:
a core;
a bobbin disposed around the core, the bobbin having a flange; and
a coil disposed around the bobbin;
preparing a case having an opening and a closed end that is located opposite to the opening;
supplying a liquid filler material into an inner space of the case;
inserting the integrated assembly into the inner space of the case via the opening before or after the supplying of the liquid filler material;
closing the opening with the flange;
locating the case at a first position where the opening is located lower than the closed end with respect to horizontal after the opening is closed by the flange;
concentrating the liquid filler material toward the flange in the inner space when the case is located at the first position;
curing the liquid filler material after the concentrating so as to form a cured filler material; and
fixedly supporting the integrated assembly within the case via the cured filler material at a position directly adjacent to the opening of the case.

US Pat. No. 10,693,221

MODULAR PHASED ARRAY

Blue Danube Systems, Inc....

1. A removable module for a phased array, said removable module comprising:a circuit board having a planar ground plane and circuitry laid out on a back surface of the circuit board, said circuitry comprising an RF (radio frequency) front end circuit for performing up or down frequency conversion;
an antenna mounted on and extending away from a front side of the circuit board said RF front end circuit coupled to the antenna;
a group of one or more first connectors mounted directly on and extending away from the back surface of the circuit board, said group of one or more first connectors for physically and electrically connecting the removable module to a master board through a corresponding group of one or more mating interface connectors on the master board as a consequence of placing the removable module onto the master board and for physically and electrically disconnecting the removable module from the master board as a consequence of pulling the removable module away from the master board,
said group of one or more first connectors on the removable module having a plurality of electrically conductive lines for carrying an externally supplied LO (local oscillator) signal for the RF front end circuit on the removable module and for carrying an IF (intermediate frequency) signal to or from the RF front end circuit on the removable module.

US Pat. No. 10,693,220

ANTENNA MODULES FOR VEHICLES

ADVANCED AUTOMOTIVE ANTEN...

1. An antenna module comprising:an elongated base, configured to be mounted in a cavity of a top part of a vehicle; and
a plurality of antennas distributed along the elongated base, the plurality of antennas including:
a multiple-input multiple-output (MIMO) mobile communications antenna including at least a first mobile communications antenna and a second mobile communications antenna, the first mobile communications antenna having a transmitting (Tx) and a receiving (Rx) element and the second mobile communications antenna having at least an Rx element, and
a global navigation satellite system (GNSS) antenna being arranged between the first mobile communications antenna and the second mobile communications antenna of the MIMO antenna, wherein a first distance measured between the GNSS antenna and the first mobile communications antenna, and a second distance measured between the GNSS antenna and the second mobile communications antenna are selected to maximize isolation between the antennas, wherein a third distance measured between the first and second mobile communication antennas is selected so that the isolation between the first and second mobile communication antennas is at least 17 dB, and wherein the third distance is at least 200 millimeters.

US Pat. No. 10,693,219

ELECTRONIC APPARATUS COMPRISING AN ANTENNA STRUCTURE FOR THE EMISSION AND/OR THE RECEPTION OF RADIOELECTRIC SIGNALS AND A STRAP SERVING AS A FASTENER OF THE APPARATUS

SIGFOX, Labege (FR)

1. A radioelectric communication apparatus, comprising:an electronic circuit;
a strap configured to serve as a fastener of the apparatus;
an antenna for at least one of emission and reception of radioelectric signals to facilitate a wireless communication with an access network, the antenna comprising an antenna loop, the antenna loop comprising a conductive plate and a case, the case comprising the electronic circuit and at least one conductive face;
the conductive plate of the antenna loop extending in parallel to and facing said at least one conductive face of the case;
the conductive plate being electrically connected to a first side of said at least one conductive face of the case and the electronic circuit being electrically connected to a second side of said at least one conductive face of the case; and
the strap comprising a conductive portion forming an antenna ground of the antenna, the conductive portion extending in parallel to and facing the conductive plate, the conductive portion being electrically insulated from the conductive plate such that the conductive portion is capacitively coupled to the conductive plate.

US Pat. No. 10,693,218

STRUCTURAL TANK INTEGRATED INTO AN ELECTRONIC DEVICE CASE

Microsoft Technology Lice...

1. A device casing comprising:a conductive bezel section;
a conductive ground plane section forming a perimeter of the device casing, the conductive ground plane section being separated from the conductive bezel section by a perimeter gap at the perimeter; and
a tank circuit positioned within and connecting the conductive bezel section and the conductive ground plane section across the perimeter gap, the tank circuit including a conductive inductor element formed as a structural portion of-the device casing.

US Pat. No. 10,693,217

WIRELESS ANTENNA ARRAY SYSTEM ARCHITECTURE AND METHODS TO ACHIEVE 3D BEAM COVERAGE

Intel Corporation, Santa...

1. A multilayer package for high frequency communications, comprising:multiple layers that include a first, second and third layer, the second layer disposed between the first and third layers;
a first plurality of directional antennas disposed on the first layer, the first plurality of directional antennas being broadside antennas;
a second plurality of directional antennas disposed on the third layer, the second plurality of directional antennas being dipole antennas; and
an integrated circuit coupled to the first and second plurality of directional antennas.

US Pat. No. 10,693,216

MOBILE TERMINAL HAVING AN ANTENNA INCLUDING DIELECTRICS ON A CIRCUIT BOARD

LG ELECTRONICS INC., Seo...

1. A mobile terminal comprising:a terminal body;
an antenna device configured to generate a resonant frequency of a frequency band for 5G communication system,
wherein the antenna device is an antenna array including a plurality of dielectrics operating as a resonator; and
a circuit board including a feeding unit and a ground plane and configured to be inserted into each of the dielectrics such that a portion of the circuit board protrudes outward.

US Pat. No. 10,693,215

ANTENNA ASSISTANT DEVICE AND ELECTRONIC DEVICE INCLUDING THE SAME

Samsung Electronics Co., ...

6. An electronic device comprising:a housing;
a communication circuit disposed on one side of the housing;
a multi-layered printed circuit board PCB disposed on one side of the housing and electrically connected to the communication circuit; and
an antenna radiator disposed on one side of the housing or defining at least a portion of an outer surface of the housing, and electrically connected to the communication circuit and the multi-layered printed circuit board,
wherein the multi-layered printed circuit board comprises:
a first conductive pattern comprising stacked capacitor substrates, wherein at least first sides of the stacked capacitor substrates are configured to be electrically connected to an antenna, and at least second sides opposite the first sides of the stacked capacitor substrates are connected to a feeder;
a second conductive pattern disposed at a lower or upper portion of the first conductive pattern, wherein one side of the second conductive pattern is configured to be connected to the feeder and another side of the second conductive pattern opposite the one side is configured to be connected to a ground; and
a conductive plate disposed between the first conductive pattern and the second conductive pattern,
wherein at least one of the first conductive pattern, the second conductive pattern, and the conductive plate comprises a dielectric layer of the multi-layered printed circuit board;
wherein the first conductive pattern, the second conductive pattern, and the conductive plate are configured to provide a bandwidth expanding effect.

US Pat. No. 10,693,214

MOBILE TERMINAL

LG ELECTRONICS INC., Seo...

1. A mobile terminal comprising:a display unit configured to display information;
a main board provided at a rear surface of the middle frame and comprising a ground;
a first wireless communication unit on the main board and configured to transceive a first signal;
a second wireless communication unit on the main board and configured to transceive a second signal;
a rear case covering a rear surface of the main board,
at least one first antenna electrically connected to the first wireless communication unit and the second wireless communication unit and configured to receive the first signal and the second signal; and
at least one second antenna electrically connected to the second wireless communication unit and configured to transceive the second signal.

US Pat. No. 10,693,213

ANTENNA MODULE AND A WIRELESS DEVICE HAVING THE SAME

HON HAI PRECISION INDUSTR...

1. A wireless device, comprising:a plurality of antenna modules, wherein each of the antenna modules includes a plurality of antenna units, wherein one of the antenna unit of the antenna module includes a fixed phase and the other antenna units of the antenna module respectively include a phase adjusted in response to the fixed phase,
wherein the antenna unit includes:
a substrate including a signal transmitting path;
a first dielectric layer disposed on the substrate;
an inner layer disposed on the first dielectric layer;
a signal feeding via coupled between a first patch and the signal transmitting path through the inner layer and the first dielectric layer;
a second dielectric layer disposed on the first patch and the inner layer; and
a plurality of vias arranged around a second patch, wherein each of the vias is coupled between a metal frame and the first dielectric layer through the second dielectric layer and the inner layer, respectively; and
wherein the second patch is disposed on the second dielectric layer corresponding to the first patch.

US Pat. No. 10,693,212

MONOPOLE ANTENNA

ASUSTEK COMPUTER INC., T...

1. A monopole antenna, comprising:a ground element, including a side;
a radiating element, supporting a first frequency band and a second frequency band, and the operating frequency of the first frequency band is higher than the operating frequency of the second frequency band, the radiating element comprising:
a first radiating portion, supporting the first frequency band and extending along the side, and the first radiating portion is separated from the side by a first distance;
a second radiating portion, supporting the second frequency band, the second radiating portion connects the first radiating portion and extends along the side, the length of the second radiating portion is greater than the length of the first radiating portion, and the second radiating portion is separated from the side by a second distance; and
a feed point, dividing the radiating element into the first radiating portion and the second radiating portion;
a first inductive element, connected between the first radiating portion and the ground element;
a second inductive element, connected between the second radiating portion and the ground element; and
a connecting element disposed between the first inductive element and the ground element, and disposed between the second inductive element and the ground element, the connecting element extends along the side and connects with the ground element, the first inductive element and the second inductive element.

US Pat. No. 10,693,211

CONTROLLER FOR CONFIGURING ANTENNAS HAVING ADJUSTABLE ELEMENTS

SteppIR Communications Sy...

1. A system for controlling lengths of length adjustable elements of an antenna, the system comprising:a motor controller;
element length tables coupled to the motor controller;
a motor drive assembly coupled to each length adjustable element and to the motor controller and responsive to signals from the motor controller for adjusting a length of each length-adjustable antenna element to element lengths provided by the element length tables;
a processor running antenna modeling software and coupled to the motor controller, the antenna modeling software responsive to modeled antenna lengths input to the processor by a user to generate antenna performance data as a function of the modeled antenna element lengths;
a user interface including a display coupled to the motor controller and the processor;
the motor controller operative to drive each motor drive assembly to adjust the lengths of the length-adjustable elements using one of data in the element length tables in response to a frequency command entered by a user into the user interface and modeled antenna length data from the antenna modeling software running in the processor in response to a user command to download to the motor controller the antenna element lengths input to the processor by the user.

US Pat. No. 10,693,210

METHOD FOR MAKING ANTENNA ARRAY

CALIFORNIA INSTITUTE OF T...

1. A method of fabricating an array of lens waveguide antennas, comprising the steps of:forming an array of lenses in a first silicon wafer, wherein:
the first silicon wafer comprises a first surface and a second surface opposite the first surface,
each of the lenses in the array of the lenses comprises a non-hemispherical curved section, and
the forming of the array of the lenses further includes defining, in the first surface, the non-hemispherical curved sections and a planar section separating the non-hemispherical curved sections such that a tangent to each of the non-hemispherical curved sections at an intersection with the planar section is at an angle of more than 90 degrees with respect to the planar section; and
forming an array of waveguides, comprising:
defining an array of waveguide shaped segments in the second surface, wherein each of the waveguide shaped segments are aligned with one of the non-hemispherical curved sections so that terahertz electromagnetic radiation outputted from one or more of the waveguide shaped segments is fed to the one or more non-hemispherical curved sections aligned with the one or more waveguide shaped segments, or
defining the array of waveguide shaped segments in a second silicon wafer and aligning the second silicon wafer to the first silicon wafer so that the terahertz electromagnetic radiation outputted from the one or more of the waveguide shaped segments is fed to the one or more non-hemispherical curved sections aligned with the one or more waveguide shaped segments; and so that:
the array of lens waveguide antennas is formed, each of the lens waveguide antennas comprising one of the lenses and one of the waveguides.

US Pat. No. 10,693,209

WAVEGUIDE-TO-MICROSTRIP TRANSITION WITH THROUGH HOLES FORMED THROUGH A WAVEGUIDE CHANNEL AREA IN A DIELECTRIC BOARD

1. A waveguide-to-microstrip transition comprising: an input waveguide piece having a through-hole defining an open waveguide channel, a short-circuited waveguide piece having a blind cavity defining a closed waveguide channel, and a dielectric board placed between the input and short-circuited waveguide pieces; wherein a microstrip transmission line, a microstrip probe formed as an extension of the microstrip transmission line, and a contact metal layer are located on a top surface of the dielectric board, wherein the contact metal layer surrounds the microstrip probe with no electrical connection to the microstrip probe and the microstrip transmission line and forms an internal area on the dielectric board, the internal area being a waveguide channel area; wherein the short-circuited waveguide piece is located on the contact metal layer and has a recess in the area of the microstrip transmission line, wherein a ground metal plane surrounding the waveguide channel area is located on a bottom surface of the dielectric board, the input waveguide piece being mounted on the ground metal plane, wherein at least one metallized transition through-hole is provided along the circumference around the waveguide channel area in the contact metal layer, ground metal plane and in the dielectric board, and wherein at least two non-metallized through-holes are provided within the waveguide channel area on the dielectric board.

US Pat. No. 10,693,208

HIGH GAMMA DISC-TUNING PROBES FOR IMPEDANCE TUNERS

2. Disc-shaped, dual frequency band, notched tuning probes for slide screw tuners,comprising
an approximately circular core disc with two protruding notched tuning segments #1
and #2 placed approximately diametrically on the periphery of the core,
wherein
each segment comprises two lobes, each having a concave peripheral groove, and wherein the slide screw tuners comprise,
a slabline between an input port and an output port with a channel between two grounded parallel sidewalls and a center conductor, and
at least one remotely controlled mobile carriage sliding parallel to the axis of the slabline,
and wherein
the disc-probe rotates between the sidewalls, controlled by the carriage, and wherein
the diameter of the groove matches approximately the diameter of the center conductor, the thickness of the lobes matches the width of the slabline channel, and
the probe rotates approximately around the center of the core disc.

US Pat. No. 10,693,207

PRINTED CIRCUIT BOARDS AND METHODS FOR MANUFACTURING THEREOF FOR RF CONNECTIVITY BETWEEN ELECTRO-OPTIC PHASE MODULATOR AND DIGITAL SIGNAL PROCESSOR

Ciena Corporation, Hanov...

1. A Printed Circuit Board (PCB) having a plurality of dielectric layers distributed between a plurality of conductive layers, the PCB including a Radio Frequency (RF) signal transition at a RF signal pad comprising:a RF signal transmission trace in a conductive signal layer other than a top and bottom conductive layers;
a blind via providing electrical conductivity across at least one dielectric layer between the RF signal transmission trace and the RF signal pad; and
a ground cage structure within the PCB around the RF signal pad and the RF signal transmission trace, wherein the plurality of conductive layers other than the conductive signal layer and conductive portions of the conductive signal layer not in electrical contact with the RF signal transmission trace have common ground connections.

US Pat. No. 10,693,206

NONRECIPROCAL DEVICES HAVING RECONFIGURABLE NONRECIPROCAL TRANSFER FUNCTIONS THROUGH NONRECIPROCAL COUPLING

Board of Trustees of the ...

11. A system comprising:a waveguide through which waves at a first frequency propagate with a first wavevector and with a second wavevector in a direction opposite to the first wavevector;
a frequency-dependent device that operates within a frequency range and modifies the waves through the waveguide in a way that is dependent on the first frequency;
a set of couplers to couple the waveguide to the frequency-dependent device at spatially separated coupling sites, the set of couplers comprising at least a first coupler and a second coupler; and
a signal processor coupled to the set of couplers, the signal processor to:
generate a sinusoidal signal;
generate a first modulated coupling constant via modulation of a first coupling constant, of the first coupler, using the sinusoidal signal;
generate a second modulated coupling constant via modulation of a second coupling constant, of the second coupler, using the sinusoidal signal; and
apply a phase offset of the second modulated coupling constant as compared to the first modulated coupling constant, to induce nonreciprocal coupling, with respect to the frequency-dependent device, of the first wavevector compared to the second wavevector.

US Pat. No. 10,693,205

RESONATOR, FILTER, AND COMMUNICATION DEVICE

KYOCERA CORPORATION, Kyo...

1. A resonator, comprising:a first shield conductor formed in a box shape having an opening;
a second shield conductor formed in a plate shape and covering the opening;
a first cavity formed between the first shield conductor and the second shield conductor;
a columnar body which is composed of a dielectric body or a conductor and has a columnar shape, the columnar body being placed inside the first cavity, one end of the columnar body being joined to the first shield conductor, an interval being provided between the other end of the columnar body and the second shield conductor; and
at least one first dielectric body placed inside the first cavity, one end of the at least one first dielectric body being joined to the second shield conductor, an interval being provided between the other end of the at least one first dielectric body and the first shield conductor, the at least one first dielectric body surrounding the columnar body and being apart from the columnar body, a second cavity being formed between the at least one first dielectric body and the columnar body,
wherein the at least one first dielectric body has a cylindrical shape, and
the at least one first dielectric body is provided with a plurality of slits.

US Pat. No. 10,693,204

LITHIUM-AIR BATTERY

Bayerische Motoren Werke ...

1. A lithium-air battery comprising:a gas diffusing cathode consisting of a solid electronically conductive material, wherein the gas diffusing cathode is at least partially filled with gaseous air;
a separator comprising an electronically non-conductive material, wherein the separator is at least partially impregnated with a liquid electrolyte; and
an anode comprising a lithium metal, a lithium metal alloy or a lithium oxide-metal mixture,
wherein the separator is present between the cathode and the anode,
wherein the liquid electrolyte comprises a hydrophobic, ionic liquid and a lithium salt,
wherein the solid electronically conductive material comprises a woven carbon fiber fabric or a non-woven carbon fiber fabric, and
wherein on at least one point on the gas diffusing cathode, the gaseous air, the liquid electrolyte and the solid electronically conductive material are in contact.

US Pat. No. 10,693,202

BATTERY FOR VEHICLE AND METHOD FOR CONTROLLING THE SAME

Hyundai Motor Company, S...

1. A method for controlling a battery for a vehicle, comprising:measuring, by a temperature sensor disposed in a battery cell, a temperature of the battery cell;
comparing, by a controller, a first temperature value of the battery cell with a predetermined value which has been predetermined;
measuring, by the temperature sensor, a temperature of a thermoelectric element when the predetermined value is less than the first temperature value; and
activating, by the controller, a cooling fan to cool the thermoelectric element when a second temperature value, which has been obtained by measuring the temperature of the thermoelectric element, is greater than the predetermined value.

US Pat. No. 10,693,201

THERMAL MANAGEMENT OF ENERGY STORAGE DEVICES VIA OSCILLATING HEAT PIPES

ThermAvant Technologies, ...

1. A thermal management system for an electrical energy cell, said system comprising:a cold plate cell holder comprising at least one energy cell reservoir structured to retain at least one electrical energy cell and to surround a first portion of a surface of the at least one energy cell when the at least one energy cell is retained therein, the cold plate cell holder structured and operable to thermally cool the at least one energy cell via heat absorption from the first portion of the surface of the at least one energy cell when the at least one energy cell is retained therein; and
at least one oscillating heat pipe cover, each of the at least one oscillating heat pipe cover independently disposable around a second portion of the surface of at least one respective energy cell when the at least one respective energy cell is retained within the cold plate cell holder, each of the at least one oscillating heat pipe cover comprising at least one oscillating heat pipe disposed internally therein, and each of the at least one oscillating heat pipe cover thermally and mechanically connectable directly to the cold plate cell holder when disposed around the at least one respective energy cell such that each of the at least one oscillating heat pipe cover is directly connected to, and in thermally conductive contact with, the cold plate and such that the at least one respective energy cell is thermally isolated, and whereby via the direct connection and thermally conductive contact, each of the at least one oscillating heat pipe cover will independently transfer heat absorbed from the second portion of the surface of the respective at least one energy cell directly to the cold plate cell holder.

US Pat. No. 10,693,200

INDIRECT COOLING SYSTEM CAPABLE OF UNIFORMLY COOLING BATTERY MODULES AND BATTERY PACK INCLUDING THE SAME

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

1. A cooling system for cooling a plurality of battery modules, the cooling system comprising:a refrigerant introduction port, through which liquid refrigerant is introduced, and a refrigerant discharge port, through which the liquid refrigerant is discharged;
a plurality of refrigerant pipes configured to communicate with the refrigerant introduction port or the refrigerant discharge port;
one or more pipe connection members configured to interconnect two or more of the refrigerant pipes such that the refrigerant pipes communicate with each other, the pipe connection members being configured to divide the liquid refrigerant or to change a flow direction of the liquid refrigerant between the connected refrigerant pipes; and
a plurality of cooling plates, each of which has a hollow flow channel communicating with at least one of the refrigerant pipes and each of which has one surface on which a corresponding one of the battery modules is mounted, the liquid refrigerant being circulated along the hollow flow channel, wherein
the liquid refrigerant is divided by the pipe connection members, the divided liquid refrigerant is supplied to a respective cooling plate of the plurality of cooling plates, and the divided liquid refrigerant is combined after being discharged from the respective cooling plates without passing through another cooling plate of the plurality of cooling plates, whereby the battery modules are cooled by the respective cooling plates as a result of thermal conduction of the divided liquid refrigerant,
the refrigerant pipes include:
a first refrigerant pipe connected to the refrigerant introduction port;
a second refrigerant pipe connected to the refrigerant discharge port;
a plurality of third refrigerant pipes disposed between the first refrigerant pipe and the second refrigerant pipe in a state of being connected to the respective pipe connection members such that the third refrigerant pipes communicate with the first refrigerant pipe and the second refrigerant pipe; and
a plurality of fourth refrigerant pipes connected to the third refrigerant pipes via the pipe connection members, the fourth refrigerant pipes being connected to the flow channels defined in the respective cooling plates such that the coolant only flows into and out of the cooling plates through the fourth refrigerant pipes.

US Pat. No. 10,693,199

BATTERY PACK FOR ELECTRIC VEHICLE

LG Electronics Inc., Seo...

1. A battery pack for an electric vehicle, comprising:a battery cell module;
a cell module support unit that is configured to support the battery cell module;
a battery receiving region configured to accommodate the cell module support unit;
a cooling plate that is located between the battery cell module and the cell module support unit, wherein a shape of the cooling plate corresponds to a shape of the battery cell module, the cooling plate including:
an upper surface that is in contact with a lower surface of the battery cell module and that supports the lower surface of the battery cell module, and
a lower surface that is in contact with the cell module support unit; and
a gap prevention pad that is configured to support a central portion of the lower surface of the cooling plate and that is configured to, in a state in which the battery cell module is coupled to the battery receiving region, prevent a gap formation between the cooling plate and the battery cell module,
wherein the cell module support unit defines an installation hole configured to receive the gap prevention pad, and is configured to support a region of the lower surface of the cooling plate outside of the central portion of the lower surface of the cooling plate.

US Pat. No. 10,693,198

CONTROLLER, ENERGY STORAGE APPARATUS, ENERGY STORAGE SYSTEM, MOVING OBJECT, BACKUP POWER SUPPLY, AND CONTROLLER METHOD

GS Yuasa International Lt...

1. At least two controllers that each control charge or discharge of one and another of at least two distinct energy storage units each including an energy storage device, the at least two controllers including:one switch provided in a charge or discharge current path of one of the energy storage units;
a control part that supplies a control signal to the one switch;
an external input terminal that supplies the one switch with an output input signal for turning on or off the one switch when a power system connected to the one of the energy storage units is restored; and
an external output terminal that outputs an external output signal from one of the at least two controllers to another of the at least two controllers including another switch,
wherein:
the one switch is turned off when at least one of the control signal and the external input signal is a signal for turning off the one switch, or is turned on when both of the control signal and the external input signal are signals for turning on the one switch, and
the external output signal for turning on the another switch is output from the external output terminal when the one switch is turned on, and the external output signal for turning off the another switch is output from the external output terminal when the one switch is turned off.

US Pat. No. 10,693,197

SYSTEM AND METHOD OF CELL BLOCK VOLTAGE ANALYTICS TO IMPROVE BALANCING EFFECTIVENESS AND IDENTIFY SELF-DISCHARGE RATE

Dell Products, L.P., Rou...

1. A battery management unit comprising:a memory including a cell charge history table to store state of charge information for a first battery cell in a battery cell stack; and
a controller programmed to:
determine, during a first discharge cycle of the battery cell stack, a first discharge rate for the first battery cell;
store, in the cell charge history table, a first entry that includes the first discharge rate;
determine, during a second discharge cycle of the first battery cell stack, a second discharge rate for the first battery cell;
store, in the cell charge history table, a second entry that includes the second discharge rate;
identify that the second discharge rate is greater than the first discharge rate; and
provide, to a host system coupled to the battery management unit, a first indication that the second discharge rate is greater than the first discharge rate.

US Pat. No. 10,693,196

POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY AND SECONDARY BATTERY INCLUDING THE SAME

LG Chem, Ltd., (KR)

1. A positive electrode active material for a secondary battery, the positive electrode active material comprising:a core including a lithium cobalt oxide; and
a lithium-metal oxide and a metal oxide, which include at least one metal selected from the group consisting of aluminum (Al), magnesium (Mg), tungsten (W), molybdenum (Mo), zirconium (Zr), titanium (Ti), tantalum (Ta), iron (Fe), vanadium (V), chromium (Cr), barium (Ba), calcium (Ca), and niobium (Nb), on a surface of the core,
wherein the lithium-metal oxide is a heat fused material of the lithium cobalt oxide and the metal oxide, and
wherein the core is a heat fused material of the lithium cobalt oxide particles having first lithium cobalt oxide particles having an average particle diameter of 2 ?m or less and second lithium cobalt oxide particles having an average particle diameter of 6 ?m or more,
wherein the first lithium cobalt oxide particles, are melted to be fused to the second lithium cobalt oxide particles.

US Pat. No. 10,693,195

RECHARGEABLE BATTERY

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

1. A rechargeable battery comprising:an electrode assembly;
an electrolyte immersing the electrode assembly therein;
a case assembly accommodating the electrode assembly and the electrolyte;
an absorbing member disposed in an interior of the electrode assembly to absorb stress applied to the inside of the electrode assembly when the electrode assembly is expanded; and
a sealing tape disposed on an outer circumferential surface of the electrode assembly,
wherein the absorbing member is formed of a material that absorbs the electrolyte and is swelled,
wherein the absorbing member comprises a base layer deformed in a longitudinal direction when contacting the electrolyte and an adhesion layer attached to a planar portion of the electrode assembly in a central space of the electrode assembly and disposed on one surface of the base layer such that the one surface of the base layer and the planar portion of the electrode assembly are parallel to each other,
wherein the base layer comprises at least one of a urethane-bonded compound or a cellulose ester compound,
wherein the absorbing member is disposed in a winding center of the electrode assembly that is manufactured by winding a first electrode, a separator, and a second electrode in a jelly-roll shape,
wherein the electrode assembly has a cross-section having an oval shape to define the central space as having an oval shape in the winding center, and
wherein the absorbing member is attached to the central space.

US Pat. No. 10,693,194

NICKEL HYDROGEN SECONDARY BATTERY

FDK CORPORATION, Tokyo (...

1. A nickel hydrogen secondary battery comprising an electrode group hermetically enclosed in a container together with an alkaline electrolyte, the electrode group including a positive electrode and a negative electrode which are stacked one on top of another through a separator, whereinthe nickel hydrogen secondary battery contains Li, with a total amount of Li in the nickel hydrogen secondary battery of 15 to 50 mg/Ah, as determined as the mass in terms of LiOH per Ah of the positive electrode capacity,
the negative electrode includes particles of a rare earth-Mg—Ni-based hydrogen storage alloy which contains a rare earth element, Mg and Ni,
the particles of the hydrogen storage alloy include, on the surface thereof, a rare earth hydroxide which is a hydroxide of the rare earth element, and have a specific surface area of 0.1 to 0.5 m2/g, and
the hydrogen storage alloy has a composition excluding yttrium in non-incidental quantities, and the composition is represented by a general formula: Ln1-xMgx(Ni1-yTy)z, wherein Ln represents at least one element selected from La, Pr, Nd, Pm, Sm, Eu, Ca, Sr, Sc, Ti, Zr and Hf; T represents at least one element selected from Mn, Co, V, Nb, Ta, Cr, Mo, Fe, Al, Ga, Zn, Sn, In, Cu, Si, P and B; and the subscripts x, y and z satisfy relations 0

US Pat. No. 10,693,193

BI-PLATE GRIDS FOR BATTERIES, AND SINGLE PROCESS TO CAST THE SAME

TROJAN BATTERY COMPANY, L...

1. A bi-polar plate for a lead-acid battery, comprising:a first conductive plate, wherein the first conductive plate is a unitary plate having a plurality of first grids formed therein, and wherein each of the plurality of first grids is electrically connected to another one of the first grids by one or more wires;
a second conductive plate, wherein the second conductive plate is a unitary plate having a plurality of second grids formed therein, and wherein each of the plurality of second grids is electrically connected to another one of the second grids by one or more wires; and
a substrate between the first and second conductive plates, wherein the first and second conductive plates are electrically connected through the substrate.

US Pat. No. 10,693,192

WOUND-TYPE CELL

NINGDE AMPEREX TECHNOLOGY...

1. A wound-type cell, comprising:a first electrode plate;
a second electrode plate;
a separator disposed between the first electrode plate and the second electrode plate;
a first electrode tab electrically connected to the first electrode plate; and
a second electrode tab electrically connected to the second electrode plate;
wherein
the first electrode tab and the second electrode tab are positioned on a same side relative to a middle portion of the wound-type cell in a thickness direction of the wound-type cell, the first electrode tab is electrically connected to one surface of the first electrode plate facing away from a center of the wound-type cell in the thickness direction of the wound-type cell, and the second electrode tab is electrically connected to one surface of the second electrode plate facing away from the center of the wound-type cell in the thickness direction of the wound-type cell;
a third winding start end of the separator is positioned at an outer side of a second winding start end of the second electrode plate in a length direction of the wound-type cell; and
the third winding start end extends along a direction away from a second end of the second winding start end and the third winding start end is not folded back and has a tilted obtuse angle between 110 degrees and 160 degrees relative to an inner end of the second electrode plate near the center of the wound-type cell.

US Pat. No. 10,693,191

ELECTRODE ASSEMBLY AND RECHARGEABLE BATTERY HAVING ELECTRODE TAP

Samsung SDI Co., Ltd., G...

7. A rechargeable battery comprising an electrode assembly wound by interposing a separator between a first electrode and a second electrode and being wound a plurality of rotations; anda case housing the electrode assembly,
wherein the first electrode includes a first coating part coated with an active material and a plurality of first electrode taps that are not coated with the active material and protrude to an outer side of the first coating part,
wherein the plurality of electrode taps are spaced apart such that no more than two first electrode taps per the number of three winding times are formed so as to protrude from the first electrode, wherein the number of electrode taps per winding times is calculated by starting from one of the two first electrode taps and ending with the other one of the two first electrode taps,
wherein two of the plurality of electrode taps are disposed on opposing sides of a virtual reference plane passing through the center of the electrode assembly, and
wherein when the number of winding rotations of the first electrode is k, the first electrode tap that protrudes from a 3k-2-th wound portion and the first electrode tap that protrudes from a 3k-1-th wound portion are disposed at the opposing sides of the virtual reference plane passing through the center of the electrode assembly.

US Pat. No. 10,693,190

MATERIAL FOR ELECTRODE, ELECTRODE SHEET FOR ALL-SOLID STATE SECONDARY BATTERY, ALL-SOLID STATE SECONDARY BATTERY, AND METHODS FOR MANUFACTURING ELECTRODE SHEET FOR ALL-SOLID STATE SECONDARY BATTERY AND ALL-SOLID STATE SECONDARY BATTERY

FUJIFILM Corporation, To...

1. A material for an electrode comprising:an active material;
a sulfide-based inorganic solid electrolyte having conductivity for ions of metal elements belonging to Group I or II of the periodic table; and
an auxiliary conductive agent having at least one metal atom belonging to Group XII, XIII, or XIV of the periodic table,
wherein a specific surface area of the auxiliary conductive agent is 1 to 500 m2/g, and a ratio between a major axis length and a minor axis length of a particle constituting the auxiliary conductive agent is 1.5 or more.

US Pat. No. 10,693,189

NONAQUEOUS ELECTROLYTE AND NONAQUEOUS SECONDARY BATTERY

Asahi Kasei Kabushiki Kai...

1. A non-aqueous electrolyte solution comprising:a non-aqueous solvent containing 30 to 100% less by volume of acetonitrile;
a fluorine-containing inorganic lithium salt; and
pyridine,
wherein a content of pyridine is 0.01 to 10% by mass, relative to the total amount of the non-aqueous electrolyte solution.

US Pat. No. 10,693,188

THERMALLY RESPONSIVE ELECTROLYTES

Clemson University, Clem...

8. A lithium-ion cell comprising:a thermally responsive electrolyte, the thermally responsive electrolyte comprising:
a thermally responsive polymer;
a thermally stable solvent; and
a lithium salt;
wherein, the thermally responsive electrolyte is configured to transition from an initial single phase to a biphasic mixture phase at a temperature of from about 50° C. to about 160° C.;
wherein thermally responsive electrolyte is configured to inhibit lithium ion cell thermal failure by interrupting lithium ion operation when the thermally responsive electrolyte is in the biphasic mixture phase;
wherein the thermally responsive electrolyte in the biphasic mixture phase has a conductivity that is less than the conductivity of the thermally responsive electrolyte in the initial single phase when the temperature of the thermally responsive electrolyte is in the temperature range of from about 50° C. to about 160° C.; and
wherein the thermally responsive electrolyte is configured to transition from the biphasic mixture phase to the initial single phase at a temperature below about 50° C.