Match Document Document Title
US20170302158 Switch Off Time Control Systems And Methods  
A power factor correction (PFC) system includes a desired OFF period module that determines a desired OFF period for a switch of a PFC circuit based on an input voltage to the PFC circuit and an...
US20170302157 INTEGRATED PFC AND PWM CONTROLLER WITH A PLURALITY OF FREQUENCY-LOAD CURVES  
Disclosed is an integrated PFC and PWM controller with a plurality of frequency-load curves to minimize the no-load power consumption and maximize 4-point average efficiencies. The controller...
US20170302156 METHOD AND APPARATUS FOR IMPLEMENTING A POWER CONVERTER INPUT TERMINAL VOLTAGE DISCHARGE CIRCUIT  
A power converter includes an energy transfer element and a circuit coupled to the input of the power converter. The circuit includes a switch and a control circuit capable of detecting whether an...
US20170302155 CHOPPER CIRCUIT CONTROL DEVICE  
A range calculator (12) calculates an operation value range, which is range of an operation value for controlling a duty cycle of a chopper circuit (4) based on an input voltage and output voltage...
US20170302154 POWER CONVERSION DEVICE  
A switching pattern determination unit in a control unit includes a modulation rate ensuring unit, a harmonic reducing unit, and a function combining unit, and sets a function f prescribing the...
US20170302153 POWER CONVERSION APPARATUS  
A power conversion apparatus includes a semiconductor module including a semiconductor device and a control circuit unit controlling the semiconductor module. The semiconductor module has main and...
US20170302152 DRIVING CIRCUIT FOR SWITCHING ELEMENT AND POWER CONVERSION SYSTEM  
In a drive circuit, a rate adjuster adjusts a charging speed of a MOSFET to be faster than the charging speed of an IGBT when a drive state changer changes the first switching element from the off...
US20170302151 RESISTOR EMULATION AND GATE BOOST  
Power switch driver for driving a control terminal of a power switch to drive a load, the power switch driver having a in negative feedback circuit to control current delivered to the control...
US20170302150 POWER CONVERTING APPARATUS  
A power converting apparatus includes a rectifier converting alternating-current power from an alternating-current power supply into direct-current power; a short-circuit unit short-circuiting the...
US20170302149 METHODS AND APPARATUS FOR ADAPTIVE TIMING FOR ZERO VOLTAGE TRANSITION POWER CONVERTERS  
A method of controlling a power converter, including executing a plurality of cycles, including: turning on a first switch during a first period, the first switch coupled to a power supply and a...
US20170302148 SELF-POWERED GENERATOR  
A self-powered generator disclosed here includes a stator member, a rotor member, a direct current motor, and an alternating current motor. The rotor member is configured to rotate within the...
US20170302147 Electric motor and generator  
The invention provides a high torque, high efficiency switched reluctance motor and method for generating electricity or mechanical energy with reduced CEMF resistance. The motor includes a rotor...
US20170302146 LINEAR ACTUATOR  
A linear actuator includes, a first tube provided with a plurality of coils placed thereinside, the plurality of coils being held by a tubular yoke; a rod movable in an axial direction inside the...
US20170302145 ELECTROMAGNETIC ROTARY DRIVE AND ROTATIONAL DEVICE  
An electromagnetic rotary drive includes a contactlessly magnetically drivable rotor that is coil-free and free of permanent magnets and that includes a magnetically effective core, and a stator...
US20170302144 ELECTRIC MOTOR  
The invention provides a switched reluctance motor having high torque and reduced counter electromotive force for generating mechanical energy. The motor includes a rotor component having a...
US20170302143 APPARATUS AND METHOD FOR MANUFACTURING COMPONENTS OF DYNAMOELECTRIC MACHINES  
Apparatus and method for winding coils of dynamoelectric machines, wherein a coil comprises members formed of leg portions (19a, 190a). The leg portions (19a, 190a) being inserted in slots...
US20170302142 ROTOR AND ROTOR MANUFACTURING METHOD  
A rotor manufacturing method for manufacturing a rotor including a rotor core, the rotor core having a permanent magnet mounted thereon throughout a circumferential direction, includes covering an...
US20170302141 MANUFACTURING METHOD FOR ROTOR FOR ROTARY ELECTRIC MACHINE  
The manufacturing method for a rotor includes steps of: applying an adhesive to a first surface of a magnet material member that becomes a permanent magnet after magnetization, the adhesive being...
US20170302140 ELECTRONICALLY COMMUTATED DIRECT CURRENT MOTOR  
The invention relates to an electronically commutated direct current motor comprising a housing consisting of a plastic material, a wound stator, a rotor and a bearing shield consisting of a...
US20170302139 ELECTRIC DEVICE AND ELECTRIC DEVICE MANUFACTURING METHOD  
An electric device includes a case, an electric component that is provided in the case and has a main body section and a lead terminal extending from the main body section, the main body section...
US20170302138 VARIABLE GAP ELECTRICAL MACHINES  
An electrical machine system includes a stator having a conical stator surface defining a rotary axis. A rotor is operatively connected to the stator for rotation relative thereto, wherein the...
US20170302137 COOLING UNIT OF DRIVE MOTOR  
A cooling unit of a drive motor includes: a fixing member installed on an inner wall surface of a motor housing and configured to fix a stator core of the drive motor, wherein the fixing member...
US20170302136 AUTOMOTIVE ALTERNATOR  
A circuit board has first rectifying element connecting portions and second rectifying element connecting portions, and is disposed between a first rectifying element holding portion and a second...
US20170302135 POWER SYSTEM FOR WELL SERVICE PUMPS  
A power system for use in hydraulic fracturing or fracking of wells is disclosed. The power system is generally self-contained on a transportable system, such as a trailer. The weight and...
US20170302134 MOTOR DEVICE EQUIPPED WITH SPEED REDUCTION MECHANISM  
Provided is a motor device (1) equipped with a speed reduction mechanism including: an electric motor (2); a case (30) configured to receive a speed reduction mechanism (20) used to reduce a speed...
US20170302133 ELECTRIC MOTOR WITH A PLASTIC HOUSING  
The invention relates to an electric motor, in particular a pump motor, comprising a permanent magnet rotor; a wound stator including a stator laminate package, insulating elements and a stator...
US20170302132 ELECTRICAL CONNECTION ARRANGEMENT AND METHOD FOR PRODUCTION THEREOF  
The present disclosure relates to an electrical connector assembly for a motor and a method for producing the electrical assembly. The electrical connector assembly includes a first electrical...
US20170302131 MOTOR  
A motor includes a rotor, a frame accommodating the rotor, a cover provided at one of two ends of the frame in a direction of a rotor axis, an internal space formed by the frame and the cover and...
US20170302130 MOTOR WITH WIRING BOARD FORMED BY CRIMP-CONNECTING WINDING  
To provide a motor with a wiring board achieving simplification of work and having low probability of contact failure. In a motor with a wiring board provided herein, the wiring board is attached...
US20170302129 MOTOR WITH WIRING BOARD FORMED BY CONNECTING WINDING UNDER PRESSURE  
To provide a motor with a wiring board achieving simplification of work and suitable for automation of the work. A motor provided herein includes a wiring board attached to a stator with multiple...
US20170302128 MOTOR AND METHOD FOR MANUFACTURING MOTOR  
A motor includes a stator including a terminal and a casing that houses the stator, in which the casing includes a casing body with high thermal conductivity that includes an opening in which the...
US20170302127 ROTATING DEVICE  
A rotating device has a housing having an opening portion opened to one side in a rotor axis direction, a rotor accommodated in the housing, a substrate coupling to the opening portion, and a...
US20170302126 PUMP MOTOR WITH COMPONENT MOUNT SUPPORT PLATE  
A centrifugal pump motor comprising a permanent magnet rotor, a wound stator that is separated from the permanent magnet rotor by means of a containment shell, a circuit board having a large...
US20170302125 PUMP COMPONENTS  
The utility model discloses a pump component. The pump component is provided with a motor arranged in a stator case, wherein a junction box is arranged at one axial end of the stator case, the...
US20170302124 PUMP MOTOR WITH A HEAT DISSIPATION CONTAINMENT SHELL  
Pump motor, with a crankcase, a pump head, and a containment shell, whereby the pump head with the containment shell defines a wet chamber and the containment shell with the crankcase defines a...
US20170302123 WATERPROOF STRUCTURE FOR ELECTRIC MOTOR  
To provide a waterproof structure for an electric motor that simultaneously achieves electrical connection between a power connector and a wiring substrate, an earth connection between the power...
US20170302122 WATERPROOF STRUCTURE FOR ELECTRIC MOTOR  
To provide a waterproof structure for an electric motor that can more reliably seal a boundary at which an insert component of a stator and a mold resin join. A sealing member (5) includes a first...
US20170302121 ELECTRONICALLY COMMUTATED DIRECT CURRENT MOTOR WITH INDIVIDUAL TERMINALS AND PLASTIC PARTS  
An electronically commutated direct current motor with a housing, a housing cover, a bearing shield, a rotor and a stator, wherein the rotor includes a shaft and a permanent magnet and the stator...
US20170302120 INSULATING COMPONENT OF MOTOR  
To provide an insulating component of a motor formed of a single component capable of ensuring insulating properties. An insulating component (2) forms a motor that comprises a stator (1), a...
US20170302119 STATOR OF MOTOR HAVING COIL PROTECTION COVER FOR WASHING MACHINE  
Disclosed is a stator of a motor including a stator core manufactured by a plurality of steel sheets laminated on top of each other; an upper insulator which covers the upper parts of the core...
US20170302118 STATOR OF MOTOR HAVING INSULATING STRUCTURE  
To provide a stator of a motor having an insulating structure achieving insulation easily and reliably. A stator (1) of a motor comprises: a teeth unit (11) with a circular cylindrical part (111)...
US20170302117 PERMANENT MAGNET ROTOR AND PERMANENT MAGNET SYNCHRONOUS ROTATING ELECTRICAL MACHINE  
A permanent magnet synchronous rotating electrical machine (100) has: a rotor shaft (11) extending axially; a rotor core (12) in which flux barriers that spread toward the rotation axis center and...
US20170302116 ROTOR FOR ROTATING ELECTRIC MACHINE AND ROTATING ELECTRIC MACHINE INCLUDING THE ROTOR  
A rotor for a rotating electric machine has interference and lightening holes. The rotor includes a shaft and a rotor iron core. The shaft is press fitted in the rotor iron core. The rotor iron...
US20170302115 INTERIOR PERMANENT MAGNET ROTOR HUBS  
A permanent magnet machine includes a rotor including a rotor hub and a plurality of permanent magnets embedded in the rotor in a circumferential pattern. The rotor includes a respective bridge...
US20170302114 COMMON LAMINATION COMPONENT FOR ACCOMMODATING MULTIPLE CONDUCTOR GEOMETRIES IN AN ELECTRIC MACHINE  
Rectangular conductor wires (38) are often used in alternator applications requiring a high slot fill to maximize output and efficiency. However for lower output and efficiency applications, round...
US20170302113 POWER FEEDING APPARATUS, POWER RECEIVING APPARATUS, POWER FEEDING SYSTEM, AND METHOD OF CONTROLLING POWER FEEDING  
A power feeding apparatus is provided. The power feeding apparatus includes a power feeding unit configured to supply electric power to a power receiving apparatus through a magnetic field; a...
US20170302112 Wireless Power Transfer System with Automatic Foreign Object Rejection  
In one embodiment, a wireless power transmitter comprises a transmitter coil structure comprising a magnetic layer having a geometric center line, the magnetic layer being curved symmetrically...
US20170302111 METHOD FOR FOREIGN OBJECT DETECTION FOR AN INDUCTION CHARGING DEVICE AND INDUCTION CHARGING DEVICE  
A method for foreign object detection for an induction charging device is described, including an oscillator circuit, in particular, for a hand-held power tool, a resonance frequency and an...
US20170302110 EFFICIENCY IMPROVEMENT FOR SOFT-SWITCHED WIRELESS POWER TRANSMITTERS  
A wireless power transmitter includes an inverter in which a voltage varies in response to a resonant network and circuitry configured to (A) measure a characteristic indicative of a load seen by...
US20170302109 WIRELESS POWER TRANSMITTER UTILIZING PHASE AND AMPLITUDE CONTROL ALGORITHM AND WIRELESS POWER RECEIVER  
A wireless power transmitter includes a signal generator for generating power signals, a modulator for modulating a phase of a power signal to be time reversed based on beacon signals received...