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Patent # Description
2019/0097555 SYSTEM AND COMPUTER-IMPLEMENTED METHOD FOR REDUCING ANGLE ERROR IN ELECTRIC MOTORS
A system and computer-implemented method for reducing an angle error in an estimated position of a rotor over various loads on an electric motor or type of...
2019/0097554 SHIFT RANGE CONTROL APPARATUS
A shift range control apparatus includes: an idling determination portion that determines, based on a motor angle and an output shaft angle, an end of an...
2019/0097553 MULTI-PHASE BRUSHLESS DC MOTOR DIRVING CIRCUIT
A multi-phase brushless DC motor driving circuit includes a driving-stage circuit, a PWM generator, a control circuit and a plurality of current detection...
2019/0097552 Method and Apparatus for Commutation of Drive Coils in a Linear Drive System with Independent Movers
A motor controller is provided that executes a commutation routine in one of a plurality of operating modes to regulate current provided to drive coils in a...
2019/0097551 EMERGENCY BRAKING FOR A DRIVE SYSTEM
A system includes a converter operatively connected to an alternating current (AC) power source and a direct current (DC) bus, an inverter operatively...
2019/0097550 CONTROL METHOD FOR VERIFYING THE COMPATIBILITY BETWEEN A VARIABLE SPEED DRIVE AND THE INPUT FILTER
A control method for verifying the compatibility between an input filter and a variable speed drive. The method includes applying a plurality of successive...
2019/0097549 DETECTION OF INITIAL MOTOR ROTATION IN MAINS-FED INDUCTION MOTOR
A system and method to detect an onset of motor rotation for an induction motor. The system and method involves monitoring a power supplied to a motor via a...
2019/0097548 FLOW ENERGY HARVESTING DEVICES AND SYSTEMS
A flow energy harvesting system including a nozzle-diffuser defining a spline-shaped flow channel and a flow energy harvesting device in the spline-shaped flow...
2019/0097547 ARCUATE MOTION ACTUATOR BASED ON PIEZO-ELECTRIC MOTORS
A flap actuator for adjusting the orientation of a flap or the like, the actuator. The actuator includes: a static arcuate member having a radius of curvature;...
2019/0097546 ELECTRIC SYSTEM ARCHITECTURE FOR A VEHICLE WITH MULTIPLE LOAD CHARACTERISTICS
An electric power system (EPS) may comprise a first power conversion channel and a second power conversion channel connected in parallel with a permanent...
2019/0097545 MIXED-SIGNAL FULL-WAVE PRECISION RECTIFIER
Apparatus and methods are described for providing a mixed-signal full-wave precision rectifier. In one example of the disclosed technology, a full-wave...
2019/0097544 ISOLATED PHASE SHIFTED DC TO DC CONVERTER WITH SECONDARY SIDE REGULATION AND SENSE COIL TO RECONSTRUCT PRIMARY...
Disclosed examples include isolated dual active bridge (DAB) DC to DC converters with first and second bridge circuits, a transformer with a sense coil, and a...
2019/0097543 Bidirectional DC Converter Assembly Having Cascade of Isolated Resonant Converter and Step-Up/Step-Down Converter
A bidirectional DC converter assembly includes two serially-arranged DC/DC converters. The first converter is a buck (or a buck/boost) converter to be...
2019/0097542 HALF BRIDGE RESONANT CONVERTERS, CIRCUITS USING THEM, AND CORRESPONDING CONTROL METHODS
A half bridge resonant converter comprises a half bridge inverter having a high side switch and a low side switch with an output defined from a node between...
2019/0097541 METHOD AND APPARATUS FOR SENSING MULTIPLE VOLTAGE VALUES FROM A SINGLE TERMINAL OF A POWER CONVERTER CONTROLLER
A controller for a power converter includes a switching control coupled to switch a power switch to regulate an output of the power converter. A sensor is...
2019/0097540 CONTROLLER CIRCUIT AND CORRESPONDING CONVERTER DEVICE
A controller circuit for an AC-DC converter includes a first controller circuit block configured to drive one or more switches at the primary side of a...
2019/0097539 CURRENT FED ACTIVE CLAMP FORWARD BOOST CONVERTER
A current fed active clamp forward boost (CAFB) converter can include a primary coil coupled to an input voltage and a main switch, an input choke serially...
2019/0097538 Voltage Conversion Circuit and Method, and Multiphase Parallel Power System
A voltage conversion circuit and method, and a multiphase parallel power system, where in the voltage conversion circuit, a feedback circuit provides a...
2019/0097537 MULTI-PHASE VOLTAGE REGULATOR SYSTEM
Multiphase voltage regulator systems are disclosed which include parallel signal pathways that functionally cooperate to provide an analog output signal at a...
2019/0097536 CONVERTER DEVICE AND METHOD TO OPERATE SAID CONVERTER DEVICE
A converter device includes a converter and a controller to operate the converter. The converter includes reactive components which include a flying capacitor....
2019/0097534 DC TO DC CONVERTER SOURCING VARIABLE DC LINK VOLTAGE
An inverter-converter system includes a DC source, a DC to DC boost converter, a DC link capacitor, an inverter circuit, a variable speed electric machine, and...
2019/0097533 DRIVING DEVICE
A driving device comprises a first transistor (B13), a second transistor (B14), and a resistance element. The first transistor (B13) has one terminal receiving...
2019/0097532 AC-DC CONVERTER
An AC-DC converter that converts an AC power supply voltage to a DC output voltage of a prescribed magnitude with power factor regulation includes a voltage...
2019/0097531 Parallel Connected Inverters
A distributed power system wherein a plurality of power converters are connected in parallel and share the power conversion load according to a prescribed...
2019/0097530 Common Mode Noise Cancelation in Power Converters
This disclosure describes a circuit, a method, and a system to mitigate common mode noise in a power converter. The converter may include a transformer that...
2019/0097529 TRANSIENT CONTROL FOR POWER FACTOR CORRECTION
A drive circuit includes a transient detector that includes a detector input to receive a loop error signal from a phased locked loop (PLL) and generates a...
2019/0097528 POWER FACTOR CORRECTION CIRCUIT, CONTROL METHOD AND CONTROLLER
A power factor correction circuit can include: a power meter configured to measure THD at an input port; a switching-type regulator that is controllable by a...
2019/0097527 METHODS AND APPARATUS TO COMPENSATE FOR POWER FACTOR LOSS USING A PHASOR CANCELLATION BASED COMPENSATION SCHEME
Example power factor correction circuits to correct the power factor of power converters are disclosed. An example power factor correction controller circuit...
2019/0097526 BRIDGELESS POWER FACTOR CORRECTION CIRCUIT
A bridgeless power factor correction circuit includes: a first leg composed of a series circuit with a first rectifier and a first switch; a second leg that is...
2019/0097525 POWER-SUPPLY APPARATUS AND POWER-SUPPLY METHOD
A power-supply apparatus includes a power-supply circuit to which an input voltage and an input current are input, to include a switching element to be...
2019/0097524 CIRCUIT HAVING SNUBBER CIRCUIT IN POWER SUPPLY DEVICE
A snubber circuit is provided. The snubber circuit includes a transistor structure and a first capacitor. The transistor structure includes a chip package and...
2019/0097523 ELECTRIC CIRCUIT ARRANGEMENT FOR THE INPUT PROTECTION CIRCUIT OF A SWITCHING POWER SUPPLY AND A SWITCHING POWER...
The invention relates to an electric circuit arrangement for the input protection circuit of a switching power supply, having a surge protection circuit, which...
2019/0097522 POWER CONVERSION DEVICE, MOTOR DRIVE UNIT, AND ELECTRIC POWER STEERING DEVICE
A power conversion device according to an embodiment of the present invention includes a first inverter to which one end of each of n phase windings (n is an...
2019/0097521 SYNCHRONOUS RECTIFIER CONTROLLER FOR OFFLINE POWER CONVERTER AND METHOD THEREFOR
A synchronous rectifier (SR) controller includes a controller having an input adapted to be coupled to a drain of an SR transistor, and an output for providing...
2019/0097520 WIND TURBINE HAVING LOW-HARMONIC CONVERTER SYSTEM, AND METHOD FOR OPERATION
A converter controller is provided, by which the current valves are controlled by means of a switching frequency. It is provided to alter the switching...
2019/0097519 INVERTER DEVICE, GRADIENT AMPLIFIER, AND MAGNETIC RESONANCE IMAGING DEVICE
An inverter device according to an embodiment includes a plurality of switching elements and processing circuitry. The switching elements are connected to each...
2019/0097518 Slope Compensation with Adaptive Slope
The disclosure provides for a slope voltage compensation circuit with an adaptive slope compensation method, in a DC-DC switching converter operating in...
2019/0097517 ADAPTIVE DRIVE STRENGTH SWITCHING CONVERTER
In an embodiment, an adaptive drive strength switching converter includes a driver and a control loop coupled to the driver. In an embodiment, the control loop...
2019/0097516 DUAL POLE DUAL BUCKING MAGNET LINEAR ACTUATOR
A linear actuator includes dual bucking magnets, dual pole pieces, and dual spacers. The linear actuator includes a coil-and-housing assembly disposed around a...
2019/0097515 TRANSPORT SYSTEM AND PROCESSING SYSTEM
An embodiment includes: a first transport module on which a carriage moves; a second transport module that is configured to be able to move to a position for...
2019/0097514 MOTOR CONFIGURATION SELECTION DEVICE, MOTOR CONFIGURATION SELECTION METHOD, AND NON-TRANSITORY...
To select the configuration of a linear motor more appropriately. A motor configuration selection device according to the present invention comprises a...
2019/0097513 SPHERICAL WHEEL MOTOR AND CONTROL SYSTEM THEREOF
The present disclosure relates to a spherical wheel motor and a control system thereof, and more particularly, the spherical wheel motor and the control system...
2019/0097512 Self-Powered Wireless Switch
A self-powered wireless switch includes at least one micro generator and a control panel for transmitting wireless control signals, the micro generator...
2019/0097511 ELECTRIC MOTOR STRUCTURE
The electric motor includes at least two opposing magnet sets, at least a coil assembly, and a detection switch circuit. Each magnet set includes at least a...
2019/0097510 MOTOR AND ROTOR
A motor includes a rotor and a stator. The rotor includes a first rotor core including a plurality of first claw-like magnetic poles, a second rotor core...
2019/0097509 VARIABLE MAGNETIC FLUX-TYPE PERMANENT MAGNET ROTARY ELECTRIC MACHINE
Provided is a variable magnetic flux-type permanent magnet rotary electric machine wherein a leakage magnetic flux leaking from a certain permanent magnet...
2019/0097508 GEOMETRY OF ROTOR END RING AND STATOR END TURNS
A method of making an AC induction motor includes: providing a rotor and a stator for the AC induction motor; determining, for different geometries of an end...
2019/0097507 LOW RESISTANCE GENERATOR
A low resistance generator includes a series of stator plates and rotors. Stator plates include the coils wrapped around coil spools. The stator plates and...
2019/0097506 INSULATING RESIN COATING METHOD AND STATOR
An insulating resin coating method for coating with an insulating resin a weld of a stator having a plurality of the welds formed by welding ends of coil wires...
2019/0097505 NEEDLE WINDING DEVICE AND NEEDLE WINDING METHOD
A needle winding device having a first needle winder and a nozzle head with a wire outlet nozzle. The first needle winder has a first nozzle head retainer that...
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