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Patent # Description
2018/0212546 ELECTRIC TOOL
An electric tool includes a motor including a plurality of windings, a power circuit configured to selectively access a first power supply and a second power...
2018/0212545 SYSTEMS AND METHODS FOR A SOFT SWITCHING DC-DC CONVERTER
Systems and methods are provided for a soft switching topology for a direct current (DC)-DC converter. The systems and methods determine an operational status...
2018/0212544 RELUCTANCE-TYPE ROTARY ACTUATORS
An actuator includes a yoke extending about a rotation axis. A coil is wrapped about the yoke. A rotor having a direct axis and a quadrature axis is supported...
2018/0212543 CONTROL DEVICE OF INDUCTION MOTOR
The control device of an induction motor includes a current command maximum value setting portion that sets an excitation current command maximum value and a...
2018/0212542 ELECTRIC MOTOR CONTROL SYSTEM, DRIVER, INVERTER AND CONTROL METHOD, AND COMPUTER SOFTWARE AND STORAGE MEDIUM
An electric motor control system includes an electric motor motion signal detection part, configured to provide an electric motor motion signal of the electric...
2018/0212541 SYSTEMS, METHODS AND DEVICES FOR APPROXIMATE DYNAMIC PROGRAMMING VECTOR CONTROLLERS FOR OPERATION OF IPM MOTORS...
Described herein is an approximate dynamic programming (ADP) vector controller for control of a permanent magnet (PM) motor. The ADP controller is developed...
2018/0212540 IMAGE FORMING APPARATUS, MOTOR CONTROLLER AND METHOD FOR DIAGNOSING FAULT THEREOF
An image forming apparatus is provided. The image forming apparatus includes an image former configured to perform an image formation; a brushless DC (BLDC)...
2018/0212539 MOTOR STOP CONTROL METHOD AND MOTOR STOP CONTROL APPARATUS
According to an aspect of the invention, a motor stop control method of a motor stop control apparatus which includes an arithmetic control unit and a...
2018/0212538 BRAKING ENERGY RECOVERY SYSTEM FOR AN ELECTRIC MOTOR AND METHOD
A braking energy recovery system (50) for an electric motor (62) comprises first regulator (52), energy storage device (54), second regulator (56), sensor...
2018/0212537 POWER SUPPLY SYSTEM
A pseudo-resonant element (130) is disposed in series with respect to an inductive load (180) on the inductive load (180) side rather than an output end of an...
2018/0212536 Communication Device and System
A communication device for a field device for transferring output information to a controller, including a passive digital output with a first connection point...
2018/0212535 CASCADE CONVERTER SYSTEM AND METHOD OF PUTTING CONVERTER MODULE OF THE SAME INTO OPERATION
A method of putting a converter module of a cascade converter system into operation, wherein the cascade converter system includes: n converter modules; n...
2018/0212534 Multi-Channel Inverter Systems
A system comprises a plurality of inverter units having inputs connected to a power source and a coupled inductor comprising a plurality of windings and...
2018/0212533 A MULTILEVEL CONVERTER WITH REDUCED AC FAULT HANDLING RATING
A multilevel converter converting between AC and DC includes a phase leg having a first and a second phase arm, the first phase arm being connected between a...
2018/0212532 POWER MODULE CASCADED CONVERTER SYSTEM
Disclosed is a power module cascaded converter system, a control sub-system thereof includes a master controller, and is provided with switch modules...
2018/0212531 POWER CONVERSION SYSTEM WITH ENERGY HARVESTING
The present invention relates to a power conversion apparatus or system configured to receive a high voltage alternating current (AC) signal at an input and to...
2018/0212530 MATRYOSHKA CONVERTER
An electric converter system including modules nested inside one another which have at least two levels of nesting is disclosed. At least one embedded module...
2018/0212529 ENERGY SUPPLY DEVICE FOR SUPPLYING ELECTRIC ENERGY AND METHOD OF OPERATING A CORRESPONDING ENERGY SUPPLY DEVICE
An energy supply device for providing electric energy, wherein the energy supply device has at least one input interface for receiving electric energy and an...
2018/0212528 FLYBACK POWER CONVERTER CIRCUIT AND SECONDARY SIDE CONTROLLER CIRCUIT THEREOF
A flyback power converter circuit converting an input voltage to an output voltage includes a transformer, a power switch, a synchronous rectifier (SR) switch,...
2018/0212527 SYNCHRONOUS RECTIFIER CONTROL WITH ADAPTIVE MINIMUM OFF-TIME
A switching power converter may include a power switch coupled to a primary winding of a transformer, and a primary controller configured to turn on and off...
2018/0212526 ISOLATED SWITCHING MODE POWER SUPPLY AND CONTROL METHOD THEREOF
An isolated switching mode power supply and a control method of the isolated switching mode power supply are provided. The isolated switching mode power supply...
2018/0212525 POWER SUPPLIES HAVING POWER SWITCHES CONTROLLABLE WITH A VARYING FREQUENCY, DUTY CYCLE AND/OR PHASE TO REGULATE...
A switched mode DC-DC power supply includes a power circuit having an input for receiving an input voltage, an output for providing an output voltage, and four...
2018/0212524 DRIVER FOR A POWER FIELD-EFFECT TRANSISTOR WITH A PROGRAMMABLE DRIVE VOLTAGE, AND RELATED SYSTEMS AND METHODS
A driver includes a high-side driver transistor coupled between supply voltage and the gate drive nodes and provides a first charge current to a high side gate...
2018/0212523 SYNCHRONOUS RECTIFIER DESIGN FOR WIRELESS POWER RECEIVER
Synchronous rectifiers for wireless power receivers are disclosed herein. An example receiver includes: an antenna configured to receive power transmission...
2018/0212522 POWER SUPPLY SYSTEM AND DETECTION SYSTEM FOR DETERMINING AN UNBALANCED CURRENT CONDITION AND AN OVERCURRENT...
A power supply system having a detection system for determining an unbalanced current condition and an over-current condition in a DC-DC voltage converter is...
2018/0212521 SWITCHED CAPACITOR DC-DC CONVERTOR CIRCUIT AND PRODUCTION METHOD THEREOF
A switched capacitor DC-DC convertor circuit and a production method thereof are described. The switched capacitor DC-DC convertor circuit includes two...
2018/0212520 DIRECT FLUX CONTROL POWER CONVERTER
Systems and methods related to controlling flux through an inductor of a power converter are described. For example, a control system is configured to control...
2018/0212519 POWER CONFIGURATION
As may be consistent with one or more embodiments, an apparatus and or method involves a switching power supply circuit and a control circuit therefor. The...
2018/0212518 LOAD DRIVING DEVICE, AND LIGHTING APPARATUS AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME
A light emitting load driving device includes a plurality of constant current sources structured to be serially connected to a plurality of light emitting...
2018/0212517 SEMICONDUCTOR APPARATUS, POWER SUPPLY APPARATUS, ELECTRONIC DEVICE, AND CONTROL METHOD FOR POWER SUPPLY APPARATUS
A semiconductor apparatus includes: a switch circuit connected between a first power supply terminal and an output terminal; a switching element connected...
2018/0212516 CHARGE PUMPS AND METHODS OF OPERATING CHARGE PUMPS
Methods of operating a charge pump, and charge pumps configured to perform similar methods, involve monitoring a level of a supply voltage of the charge pump,...
2018/0212515 HIGH VOLTAGE GENERATOR
A high voltage generator includes a voltage converting device configured to increase a level of an input voltage and output an output voltage having a level...
2018/0212514 CIRCUIT AND METHOD FOR OPERATING A CHARGE PUMP
An embodiment circuit includes a charge pump configured to receive an input voltage at an input terminal, and a clock signal at a clock input, the charge pump...
2018/0212513 DC-DC CONVERTER, AND DISPLAY DEVICE INCLUDING THE SAME
A direct current to direct current converter includes a first voltage converting circuit which converts an input voltage into a first power supply voltage, a...
2018/0212512 AUTOMATIC SHORT CIRCUIT PROTECTION SWITCHING DEVICE SYSTEMS AND METHODS
Systems and methods for providing automatic short circuit protection in an electrical system via a switching device. In some embodiments, the switching device...
2018/0212511 Harmonic Reduction Apparatus for Wireless Power Transfer Systems
A system comprises a soft-start circuit connected between an input dc source and a switch network comprising a plurality of power switches, a primary resonant...
2018/0212510 POWER CONVERSION DEVICE
A power conversion device has a main switch connected to a positive electrode side line of a battery, at least one semiconductor power element connected...
2018/0212509 SWITCHING CIRCUIT
A switching circuit includes: a drive power supply; a first transistor and a second transistor; a drive signal source; and a drive circuit. Each of the first...
2018/0212508 POWER SUPPLY APPARATUS AND IMAGE FORMING APPARATUS
The power supply apparatus, when a switching element is driven at a second frequency lower than a first frequency, determines a duty of a pulse signal...
2018/0212507 MULTI-FUNCTION POWER CONVERTING APPARATUS
A multi-function power converting apparatus including an inverter circuit and a controller is provided. The inverter circuit drives a load. The controller...
2018/0212506 ASYMMETRICAL BIPOLAR VOLTAGE SUPPLY
An asymmetrical bipolar voltage supply comprising a transformer (1), having at least one primary winding (7) and a plurality of secondary windings (8) and a...
2018/0212505 DISPLACEMENT DEVICE
A displacement device including a stage and a stator, wherein the stator is shaped to provide a working region and the stator includes: a plurality of magnet...
2018/0212504 LINEAR MOTOR SYSTEM WITH POWERED CURVILINEAR TRACK SECTIONS
A method for manufacturing a curvilinear track section including: forming a curvilinear track portion; cutting out a first slot grouping from an exterior edge...
2018/0212503 MOVING CORE TYPE RECIPROCATING MOTOR AND COMPRESSOR
A moving core type reciprocating motor is provided that may include a stator on which a coil may be wound and having an air gap; a magnet fixed to the stator;...
2018/0212502 Hybrid Electric Motor with Self Aligning Permanent Magnet and Squirrel Cage Rotors
A hybrid induction motor includes a fixed stator, an independently rotating outer rotor, and an inner rotor fixed to a motor shaft. The outer rotor is designed...
2018/0212501 LINE-START SINGLE-PHASE INDUCTION MOTOR
There is a growing need for line-start single-phase electric motors that provide in combination high starting torque, high efficiency and low acoustic...
2018/0212500 MAGNETIC COUPLING
A magnetic coupling includes an inner rotor (11) and an outer rotor (9) which at least partly surrounds the inner rotor (11). These rotors (11, 9) each are...
2018/0212499 METHOD AND ONE-PIECE TOOL ASSEMBLY FOR PRODUCING A STATOR FOR AN ELECTRICAL MACHINE
The disclosure relates to a method for producing a stator, where, for one or both layers of a two-layer winding, a tool with receiving regions is respectively...
2018/0212498 COIL UNIT ARRANGEMENT DEVICE
There is configured a coil unit arrangement device that forms an array coil group by arranging in a predetermined arrangement order each relevant coil of a...
2018/0212497 ROTOR MANUFACTURING METHOD AND ROTOR
Disclosed herein is a method for manufacturing a rotor, the method including an injection process of injecting a bonded magnet material into a cavity of a...
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