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Patent # Description
US-9,419,528 Trailing edge detector using current collapse
A controller for a power converter includes an edge detection circuit including a first circuit coupled to coupled to compare a voltage sense signal...
US-9,419,527 Regulation for power supply mode transition to low-load operation
A switching power converter includes a controller configured to transition from a first operating mode to a second operating mode by determining the operating...
US-9,419,526 Phase-shifting a synchronization signal to reduce electromagnetic interference
A power supply with reduced electromagnetic interference (EMI) is described. This power supply includes cascaded stages with switched-mode power-supply circuits...
US-9,419,525 Isolated power conversion apparatus and method of converting power
An isolated power conversion apparatus includes an isolation transformer and an auto charge pump circuit. The isolation transformer has a primary side and a...
US-9,419,524 Boost type direct current output control circuit device controlled by subpower
A direct current power source includes an electric control unit (ECU101) for converting a portion of input direct current electric energy into alternating...
US-9,419,523 Method for identifying a short-line fault or a line interruption for a switched inductive load
A method identifies a short-line fault or line interruption in a circuit configuration having a series circuit of inductive load and controllable switching...
US-9,419,522 ZVS DC/DC converter for converting voltage between a battery and a DC link in a hybrid energy storage system...
The bi-directional DC/DC converter has zero voltage switching (ZVS) soft switching capability resulting in a higher efficiency, and provides reduction of the...
US-9,419,521 Control method and control apparatus using control signals to control states of transistors in BUCK-BOOST topology
A control method and a control apparatus are provided. The control method and apparatus are applied to a BUCK-BOOST topology. The method specifically is,...
US-9,419,520 Battery compensation system using PWM
Compensation system adapted for use with a battery-powered, PWM-driven portable electronic device to enable consistent power to the device load despite battery...
US-9,419,518 Transfer function generation based on pulse-width modulation information
Exemplary embodiments are related to generating an error correction voltage and/or a compensation voltage based upon pulse-width modulation information. A...
US-9,419,517 Electric power conversion device
An electric power conversion device of an embodiment includes the electric power conversion device expressed as an equivalent circuit including, a power supply,...
US-9,419,516 DC-DC voltage converter and conversion method
A DC-DC converter comprises a capacitor arrangement and a switching arrangement for controlling coupling of the capacitor arrangement to a converter input...
US-9,419,515 Charge pump circuit
A charge pump circuit is disclosed. The charge pump circuit includes a first circuit powered by a first supply voltage and configured to adjust a voltage of an...
US-9,419,514 High power factor DC power supply with variable gain converter and fast-averaging control loop
A high power factor DC power supply with low output ripple uses a variable gain DC to DC converter and fast averaging control loop to eliminate the need for a...
US-9,419,513 Power factor corrector timing control with efficient power factor and THD
Methods, devices, and integrated circuits are disclosed for controlling switch timing in a power factor correction timing switch. In one example, a device is...
US-9,419,512 Electric power converter to reduce or eliminate erroneous power module abnormality indication
A processor unit in an electric power converter executes detection of an overheating predicted state that is a stage prior to overheating of the IGBTs, a short...
US-9,419,511 Capacitor discharging method and discharging circuit thereof
In one embodiment, a method of controlling a capacitor discharge for a switching power supply, can include: (i) generating a first voltage signal from a voltage...
US-9,419,510 Ripple cancellation converter with high power factor
Provided are circuits and methods for use with a power supply that provides a main output including a main DC voltage having a first AC voltage ripple, or a...
US-9,419,509 Shared bootstrap capacitor for multiple phase buck converter circuit and methods
A multiple phase dc to dc converter with a shared bootstrap capacitor. In an embodiment, a multiple phase buck converter is disclosed including a plurality of n...
US-9,419,508 Driving apparatus for driving switching elements of power conversion circuit
A driving apparatus for driving switching elements of a power conversion circuit. In the apparatus, a first determination unit determines whether or not a dead...
US-9,419,507 Actuator and electric beauty appliance
An actuator includes a movable body including a cylindrical magnet having on a circumferential surface thereof alternating N and S pole faces along a...
US-9,419,506 Direct current motor, coil winding method for direct-current motor, and method for manufacturing direct-current...
A direct-current motor includes a yoke having six magnetic poles, an iron core having nine teeth, first and second coils wound about each tooth in directions...
US-9,419,505 Synchronous motor
A synchronous motor includes a stator with a stator winding, and a rotor on which magnetic poles made of permanent-magnetic material are formed, each pole...
US-9,419,504 Hybrid induction motor with self aligning permanent magnet inner rotor
A hybrid induction motor includes an inductive rotor and an independently rotating permanent magnet rotor. The inductive rotor is a squirrel cage type rotor for...
US-9,419,502 Additive manufacturing of a component having a laminated stack of layers
A method of making a component comprises producing a layer of sheet material including an aperture over a movable support. An insulating material is deposited...
US-9,419,501 Constant force shaft grounding brush holder
The present invention relates to a brush holder assembly for use with rotating electric machines. The brush holder assembly is used as a grounding mechanism to...
US-9,419,500 Motor comprising a plate module
A motor is provided, the motor including a motor housing, a stator mounted inside the motor housing and including a stator core and a coil wound on the stator...
US-9,419,499 Rotating electric machine having a cooling device and cooling liquid collection tanks
A rotating electric machine includes a rotor, a stator, a cooling device and a pair of cooling liquid collection tanks. The stator includes an annular stator...
US-9,419,498 Rotary electric machine
A rotary electric machine according to the present invention includes a stator including a stator core and stator coils, a rotor provided rotatably with a gap...
US-9,419,497 Double-rotor motor
Provided is a double-rotor type motor including: a stator; a double-rotor that is positioned at a certain gap on an outer surface and an inner surface of the...
US-9,419,496 Return mechanism, acceleration mechanism, power generator, transmitter, and switching arrangement
A return mechanism is achieved which requires only a small force for operation. In one aspect of the present invention, a return mechanism (10) includes: a...
US-9,419,495 Wind turbine
A wind turbine has a rotor and a generator. A planetary transmission is arranged between the rotor and the generator, the planetary transmission being...
US-9,419,494 Induction machine power connection box including power supply for auxiliary devices including auxiliary cooling...
An alternating current (AC) induction machine, such as a medium voltage induction motor, includes an auxiliary electrical connection box that is incorporated in...
US-9,419,493 Bearing seal for fan motor
Disclosed is a fan motor includes: a first bracket having a middle part through which a rotary shaft penetrates and an upper bearing insertion space to which an...
US-9,419,492 Interface for the transmission of electrical power to a motor-compressor
An interface for transmitting electrical power to a motor of a motor-compressor is provided. The interface may include a receptacle having a first end portion...
US-9,419,491 Motor connecting member and motor device
A motor connecting member, which connects a motor winding and a terminal block, includes a terminal to be connected to the terminal block, a winding connecting...
US-9,419,490 Method for connecting wire material and twisted wire, and stator of electric motor or generator
The present invention is directed to connection technology for providing a sufficient connection strength in bonding a wire material and a twisted wire each...
US-9,419,489 Slot liner for an electric machine
A slot liner for a stator and/or a rotor of an electric machine includes a body configured to be received within a stator slot and/or within a rotor slot. The...
US-9,419,488 Armature winding of rotating electrical machine
According to one embodiment, there is provided a 3-phase 2-pole 2-layer armature winding, housed in 72 slots provided in a laminated iron core, a winding of...
US-9,419,487 Rotary electric machine
A rotary electric machine includes: a stator core that is formed of a plurality of split core pieces that are annularly arranged therein, coil conductors being...
US-9,419,486 Housing less transverse flux electrical machine
A housingless transverse flux electrical machine (TFEM) includes a pair of halves adapted to receive therein a plurality of cores and a coil therein. The halves...
US-9,419,485 Coil wire for rotating electrical machine and coil body
A coil wire for a rotating electrical machine forms a coil body wound on teeth of a stator for the rotating electrical machine and includes an element wire...
US-9,419,484 Stator for rotating electric machine
A stator includes an annular stator core and a stator coil. The stator coil is formed of electric conductor segments each of which is bent in its thickness...
US-9,419,483 DC electric motor/generator with enhanced permanent magnet flux densities
This disclosure relates in general to a new and improved electric motor/generator, and in particular to an improved system and method for producing rotary...
US-9,419,482 Motor and rotor thereof
A rotor having an improved structure capable of achieving enhanced durability is disposed in a motor, the rotor including a sleeve having a shaft hole, through...
US-9,419,481 Rotary electric machine
A rotary electric machine includes a rotor, and a stator. The rotor includes poles having slots and magnets. Each of the slots includes a first housing hole, a...
US-9,419,480 Rotor arrangement and electromechanical transducer having non-parallel permanent magnets
A rotor arrangement includes a support structure providing a mounting surface extending in an axial direction and a circumferential direction. The support...
US-9,419,479 Micro-channel heat exchanger for stator of electrical machine with supply header
An electric machine has a stator that comprises a plurality of laminations with teeth and cooling apertures about a central opening. When the laminations are...
US-9,419,478 Apparatus and method for detecting foreign objects in wireless power transmission system
Aspects of the present invention relate to an apparatus and method for detecting foreign objects in a wireless power transmission system. This specification...
US-9,419,477 Wireless power transmitter and wireless power receiver
Disclosed is a wireless power transmitter that includes a resonator that provides charging electric power to a wireless power receiver and a metal layer spaced...
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