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Patent # Description
2018/0254731 MOTOR INVERTER
A motor inverter includes an inverter circuit having a plurality of switching elements, a capacitor, a precharge closing an opening and closing part, a...
2018/0254730 DRIVING DEVICE
A driving device includes a motor, an inverter configured to drive the motor by switching a plurality of switching elements, and an electronic control unit...
2018/0254729 INVERTER CONTROL APPARATUS
The apparatus according to the present invention comprises a command voltage determination circuit section configured to determine a predetermined first...
2018/0254728 Systems and Methods for Controlling a Permanent Magnet Synchronous Motor
Systems and methods for controlling a permanent magnet synchronous motor to eliminate the need to filter a PWM output of the motor's drive system. In one...
2018/0254727 METHOD OF REALIZING SINGLE DIRECTION CHAOTIC ROTATION SPEED OF PERMANENT MAGNET SYNCHRONOUS MOTOR
A method of realizing single direction chaotic rotation speed of permanent magnet synchronous motor is provided powered by a three-phase full-bridge inverter.
2018/0254726 ARRANGEMENT WITH A SYNCHRONOUS GENERATOR AND AN ASYNCHRONOUS MACHINE
An arrangement with a synchronous generator for the conversion of mechanical power into electrical power, with a predetermined number of pole pairs, an...
2018/0254725 Multi-Loop Switching Control System for Doubly-Fed Wind Turbine Based on Logic Switch Control
A multi-loop switching control system for a doubly-fed wind turbine based on logic switch control. Output variables of the doubly-fed wind turbine may be used...
2018/0254724 STARTING POWER GENERATION APPARATUS AND STARTING POWER GENERATION METHOD
Provided are: a starter generator including a field portion having a permanent magnet, and an armature unit including a first multi-phase winding and a second...
2018/0254723 ELECTROMECHANICAL DEVICE PROVIDED WITH CONTROLLED MOTOR, MOTOR CONTROLLER, AND ROTATION CONTROL METHOD
When a rotation start position of a rotation shaft 132 is a middle start position 31a (i.e., when rotation of the rotation shaft 132 is stopped in the middle...
2018/0254722 Drive Device and Method for Three-Phase Brushless Motor
Before sensorless control is performed on a three-phase brushless motor by sequentially switching between six energization modes each for selecting two phases...
2018/0254721 DRIVING DEVICE, DRIVE SYSTEM, IMAGE FORMING APPARATUS, CONVEYANCE DEVICE, AND DRIVING METHOD
A driving device for driving a first motor to transmit a driving force to a driven object and a second motor to transmit a driving force to the driven object...
2018/0254720 POWER GENERATION DEVICE AND ELECTRONIC DEVICE PROVIDED WITH SAME
A power generation device according to the present disclosure includes a housing, an operation unit that is movable in relation to the housing, a cantilevered...
2018/0254719 SYSTEM USING A PIEZOELECTRIC GENERATOR TO PRODUCE ELECTRICAL POWER
An electrical power production system including a plurality of generator assemblies having: at least one piezoelectric generator for generating electrical...
2018/0254718 VIBRATION WAVE MOTOR AND OPTICAL APPARATUS USING VIBRATION WAVE MOTOR
Disclosed is a vibration wave motor including: a vibrator provided with a piezoelectric element and a vibration plate; a frictional member having a frictional...
2018/0254717 Linear Piezoelectric Actuator on Rail System
A linear actuator has a base, a linear guide coupled to a flat, planar side of the base and extending in a travel length of an object to be moved, a contact...
2018/0254716 CAPACITIVE TRANSDUCER DRIVE DEVICE AND OBJECT INFORMATION ACQUIRING DEVICE
Provided is a capacitive transducer drive device capable of adjusting a potential difference applied between electrodes of a cell with a simple configuration....
2018/0254715 RF-TO-DC CONVERTER
There is provided a converter for converting a received RF signal into a DC signal for powering a load, the converter comprising: a rectifier arranged to...
2018/0254714 RF-TO-DC CONVERTER
There is provided a dual-band converter operable to convert a first RF signal in a first frequency band and a second RF signal in a second frequency band that...
2018/0254713 PRINTED CIRCUIT BOARD ARRANGEMENT FOR WELDING AND CUTTING APPARATUS
A power supply to provide welding power. The power supply may include a first printed circuit board (PCB) disposed on a primary side of the power supply; a...
2018/0254712 FORCED ZERO VOLTAGE SWITCHING FLYBACK CONVERTER
A flyback converter implements a Forced Zero Voltage Switching (ZVS) timing control by detecting a positive current excursion of the secondary winding current...
2018/0254711 CHARGING SYSTEM, CHARGING METHOD, AND POWER ADAPTER
The present disclosure discloses a charging system, a charging method and a power adapter. The system includes a power adapter and a terminal. The power...
2018/0254710 REDUCTION OF ELECTROMAGNETIC INTERFERENCE IN A FLYBACK CONVERTER
A method for reducing electromagnetic interference in a flyback converter includes activating a first switch to generate a primary current therein. The first...
2018/0254709 LOAD RESPONSIVE JITTER
A controller for use in a power converter that includes a current limit generator coupled to receive a feedback signal representative of an output of the power...
2018/0254708 METHOD AND APPARATUS FOR MULTI-PHASE DC-DC CONVERTERS USING COUPLED INDUCTORS IN DISCONTINUOUS CONDUCTION MODE
A converter includes first and second coupled inductors. A first phase includes first high side and low side switches connected to the first inductor. A second...
2018/0254707 SWITCHING POWER SUPPLY DEVICE
A switching power supply device generates a DC output voltage based on a DC input voltage, and includes n converter units and a control unit. The control unit...
2018/0254706 MULTIPHASE DC-DC CONVERTER WITH CONFIGURABLE CURRENT SHARING AND PHASE MANAGEMENT
A multiphase DC-DC converter includes a first phase circuit including a higher inductance inductor and a second phase circuit including a lower inductance...
2018/0254705 NOVEL SWITCHING AUDIO AMPLIFIER
An AC capable power amplifier arrangement is realized that includes a buck converter with a power inductor, two buck switches, and alternately a buck-boost...
2018/0254704 Buck-Boost Converter with Small Disturbance at Mode Transitions
The disclosure describes decreasing the overshoot and undershoots during the mode transitions of a Buck-Boost switching converter, without causing mode...
2018/0254703 HIGH SPEED TRI-LEVEL INPUT POWER CONVERTER GATE DRIVER
Various methods and devices that involve electronic circuits are disclosed. A disclosed method includes buffering an input signal using a first buffer. The...
2018/0254702 CONTROL METHOD AND CONTROL CIRCUIT FOR SWITCH IN SWITCHING POWER SUPPLY
A control circuit for driving a power switch in a switching power supply can include: a start-up transistor having a drain coupled to a drain of the power...
2018/0254701 Systems and Methods for Enhanced Efficiency Auxiliary Power Supply Module
A power supply for use in a solar electric production system, including: a first stage having an input connected to a voltage from a photovoltaic panel and an...
2018/0254700 Current-Sharing Circuit for DC-DC Converters
Two or more power converters are connected in parallel to supply power current to a joining node through connecting resistors. An output voltage before the...
2018/0254699 Bidirectional Chopper Circuit
A bidirectional chopper circuit 1 is provided with: a main power converter 11 having a first switch 21-1 and a second switch 21-2 set up so that one switch is...
2018/0254698 FREQUENCY-CONTROLLED VOLTAGE SOURCE
Voltage source circuits, asynchronous processing systems and methods are disclosed. A voltage source circuit includes a capacitor storing an operating voltage...
2018/0254697 CONVERTERS TO CONVERT INPUT VOLTAGES TO OUTPUT VOLTAGES
An example device in accordance with an aspect of the present disclosure includes a converter to convert an input voltage to an output voltage. The converter...
2018/0254696 Power Supply for Welding and Cutting Apparatus
A power supply to provide welding or cutting power. The power supply may include an input rectifier to receive an AC input voltage from an input mains and...
2018/0254695 DC-DC CONVERTER
A DC-DC converter includes a protection function for handling a reverse connection state, and a protection function for handling a predetermined abnormality...
2018/0254694 Interleaved Phase Shift Modulated DC-DC Converter
A DC to DC converter constituted of: a control circuitry; a DC power input and return; a DC power output and return; a plurality of inverters, each comprising...
2018/0254693 MAGNETOHYDRODYNAMIC GENERATOR
The invention relates to the field of magnetohydrodynamic generators, and more precisely to such a generator (10) comprising a working fluid flow passage (11)...
2018/0254692 LINEAR MOTOR AND LINEAR ACTUATOR HAVING THE SAME
A linear motor includes a hollow cylindrical core, a shaft having a shape of a cylindrical tube, and a sleeve. A plurality of coils are arranged at axial...
2018/0254691 MOVING-MAGNET TRANSFER PLATFORM
A moving-magnet transfer platform includes a mover part, a driving part and a stator part. The mover part includes a moving table and a magnet assembly. The...
2018/0254690 VIBRATION GENERATOR MOVING VIBRATOR BY MAGNETIC FIELD GENERATED BY COIL AND HOLDER USED IN VIBRATION-GENERATOR
A holder is used while attached to a chassis of a vibration generator that moves a vibrator to generate a vibration. The holder includes a vibrator retention...
2018/0254689 HIGH STARTING TORQUE DIRECT LINE OPERATED ENERGY EFFICIENT MOTOR
The high efficiency motor employing the principle of three phase induction motor and permanent magnet synchronous motor includes a stator assembly and a rotor...
2018/0254688 WOUND-ROTOR SYNCHRONOUS MACHINE WITH PERMANENT MAGNETS
A synchronous machine is disclosed which includes a stator defined by an annular stator yoke having a central axis, and a rotor axially supported within the...
2018/0254687 METHOD AND ASSEMBLY DEVICE FOR ASSEMBLING AN ELECTRIC MACHINE
A device may be used to assemble a rotor segment of an electric machine. The rotor segment may include a rotor shaft, a laminated core joined to the rotor...
2018/0254686 MAGNETIC SENSOR
A magnetic sensor includes a magnetic detection element circuit that includes first and second magnetic detection elements, which are connected in series, and...
2018/0254685 MOTOR AND ELECTRIC OIL PUMP
A motor includes a shaft. The motor includes a motor section and a motor-driving section that is positioned on one side of the motor section in the axial...
2018/0254684 COOLANT SLEEVE AND FIXING DEVICE THEREOF AND ELECTRIC MACHINE
A liquid coolant sleeve fixing device for fixing the cylindrical liquid coolant sleeve in a radially interior part of a housing is disclosed. The coolant...
2018/0254683 MOTOR
A motor capable of suppressing droplets of water generated due to condensation from adhering to electrical components inside a rotary encoder is provided. A...
2018/0254682 STATOR, METHOD OF MANUFACTURING STATOR, MOTOR, AND AIR CONDITIONING APPARATUS
The stator includes a stator core having a first tooth and a second tooth adjacent to each other, a coil having a first winding portion wound around the first...
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