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Patent # Description
US-1,002,0760 Control method for three-phase dc brush less motor, control device, and image forming device
A control method for a three-phase DC brushless motor including a rotor that includes a plurality of magnetic poles and that is rotatable, a stator that...
US-1,002,0759 Parallel modular converter architecture for efficient ground electric vehicles
Method and apparatus for powering electric motors. The electric motors are connected to a DC power supply by a parallel modular converter that includes a...
US-1,002,0758 Thermal energy harvesting device
A first closed enclosure defines a cavity having an inner dimension smaller than 5 mm. At least one second resiliently deformable closed enclosure is connected...
US-1,002,0757 Inverter, control apparatus thereof, method for controlling same, and inverter system
A method for controlling an inverter including, when it is detected that a voltage across a bus capacitor, for example, a bus voltage, is excessively large,...
US-1,002,0756 Boost chopper circuit
In a boost chopper circuit, a backflow prevention diode circuit has a withstand voltage equal to or more than a withstand voltage of a capacitor circuit...
US-1,002,0755 Apparatus for discharging a high-voltage bus
A power inverter includes a multi-phase inverter circuit electrically connected to positive and negative conductors of the high-voltage bus. A bi-stable switch...
US-1,002,0754 String inverter system
A multi-inverter system with at least a string of inverters sharing a DC bus and outputting to a shared AC bus. Inverters are hot-swappable and configured to be...
US-1,002,0753 Hybrid control method for an electrical converter
The present application is directed to an electrical converter having at least one of an active rectifier and an inverter interconnecting an electrical source...
US-1,002,0752 Adaptive control of resonant power converters
A power converter including a transformer, a resonant circuit including the transformer and a resonant capacitor having a characteristic resonant frequency and...
US-1,002,0751 Multi-output control system and operating method for the same
A multi-output control system includes a power conversion module, a first active linear module, a second active linear module, a control module and a feedback...
US-1,002,0750 Current-resonant type switching power supply apparatus with burst control
A switching power supply apparatus, including serially-connected first and second switching elements, a series circuit of a resonant inductance and a resonant...
US-1,002,0749 Power conversion unit
The present invention relates to a power converter including a transformer; a current doubler including a switch element and connected to a secondary side of...
US-1,002,0748 Electric power conversion circuit
An electric power conversion circuit comprises U-phase and V-phase switching circuits, a transformer, and an .alpha.-phase switching circuit. A primary winding...
US-1,002,0747 Resonant DC-DC power converter assembly
The present invention relates to a resonant DC-DC power converter assembly comprising a first resonant DC-DC power converter and a second resonant DC-DC power...
US-1,002,0746 DC-DC converter with overvoltage protection
A DC-DC converter includes a filter circuit, a full-bridge circuit connected to the filter circuit, and a transformer having a primary winding and a secondary...
US-1,002,0745 PWM controller with programmable switching frequency for PSR/SSR flyback converter
Disclosed is a PWM controller with programmable switching frequency for PSR/SSR flyback converter so as to maximize the performance-to-cost ratio by...
US-1,002,0744 Circuits and methods for reducing output voltage overshoot of switch mode power supply
A switching mode power supply (SMPS) includes a transformer having a primary winding for coupling to an input power source, a secondary winding for providing an...
US-1,002,0743 Single stage switching power converter with improved primary only feedback
A switching power converter is provided that extrapolates from a reference voltage during dead periods of a rectified input voltage as determined from a...
US-1,002,0742 Hybrid boost-bypass function in two-stage converter
A controller for use in a two-stage power supply is coupled to control switching of a switching element to regulate a transfer of energy from an input to an...
US-1,002,0741 Adaptive cable drop compensation based on scalable cable offset factor
A power supply control system delivers regulated power to a load via a delivery cable. The power supply control system includes a power stage operable to...
US-1,002,0740 Synchronous rectifier drive and soft switching circuit
A circuit includes a synchronous rectifier that receives an alternating current (AC) voltage from a transformer secondary and provides a rectified direct...
US-1,002,0739 Integrated current replicator and method of operating the same
An integrated current replicator includes a first current sense resistor configured to sense a first input current to a power converter during a primary portion...
US-1,002,0738 Interleaved switching power supply and control method for the same
A control circuit for an interleaved switching power supply having a plurality of parallel coupled power stage circuits, can include: a feedback circuit that...
US-1,002,0737 Plurality of converters extending duty cycle by checking voltage thresholds
An example device in accordance with an aspect of the present disclosure includes a first converter to selectively convert a first input signal to a first...
US-1,002,0736 Per-phase current calibration method for a multi-phase voltage regulator
A method and an information handling system (IHS) perform current calibration of a multi-phase voltage regulator (VR) by using a calibrated operating phase to...
US-1,002,0735 Efficient multi-mode DC-DC converter
In one form, a multi-mode converter includes first, second, third, and fourth transistors having respective control terminals and arranged in a four-switch...
US-1,002,0734 Auto calibration method used in constant on-time switching converter
An auto calibration method used in switching converters with constant on-time control. The auto calibration method includes: generating a periodical clock...
US-1,002,0733 Adaptive controller for a voltage converter
A DC-to-DC converter includes an input voltage node, an inductor, and a switch coupled to the inductor and the input voltage node. More specifically, the switch...
US-1,002,0732 Power converter having low power operating mode
A power converter includes an input node that receives an input voltage and a control loop that regulates an output voltage of the power converter. The power...
US-1,002,0731 Power switch circuit
A power switch circuit includes at least one switch unit including at least one first switch and one second switch which are connected in parallel. A turning-on...
US-1,002,0730 Current distribution in DC-DC converters
A DC-DC converter includes a substrate having opposing first and second sides, a power stage attached to the first side of the substrate and having active...
US-1,002,0729 Current-mode DC/DC converter and method therefor
A current-mode DC-DC converter includes a power switch and a reset circuit for providing a resettable input signal to the switch. A first feedback loop, coupled...
US-1,002,0728 Signal generation device and method for controlling output voltage of regulator
A signal generation device outputs a signal based on a predetermined pattern with a logic transition to a predetermined external device. The signal generation...
US-1,002,0727 Control of an inductive load by pulse width modulation
Method and device for controlling an inductive load by pulse width modulation, on the basis of a periodic set point control signal having a given set point duty...
US-1,002,0726 Hysteresis control of a DC-DC converter
Method and apparatus for controlling the hysteresis of an output current from a DC-DC converter (3) to a default value (19) for an average output current and...
US-1,002,0725 Voltage boosting circuit capable of modulating duty cycle automatically
The present invention relates to a voltage boosting circuit capable of modulating duty cycle automatically, which comprises an inductor, a switching module, and...
US-1,002,0724 Duty-ratio controller
A controller for determining the duty-ratio for a pulse width modulator of a converter includes an inner current loop, an outer voltage loop and a multiplier...
US-1,002,0723 Power loss protection integrated circuit with autonomous capacitor health check
A power loss protection integrated circuit includes a storage capacitor terminal (STR), an autonomous capacitor health check circuit, and a capacitor fault...
US-1,002,0722 Spectrum modulation for switching circuits
A circuit includes a signal generator to generate an output signal to vary the switching frequency of a switching circuit to mitigate noise in the switching...
US-1,002,0721 Self-recharging electric generator system
A self-recharging electric generator system in communication with an external system, where the external system includes a power source external to the...
US-1,002,0720 Latching devices
Described herein are latching devices where relative speed of movement between members is in part controlled or reduced via eddy current formation and in part...
US-1,002,0719 Linear actuator
Provided is a linear actuator which is simple in structure, inexpensive to manufacture, in addition, has small magnetic leakage, and can provide a large...
US-1,002,0718 Alternator device
There is provided a alternator device for converting mechanical energy into electrical energy, the device comprising a first rotating disk comprising first...
US-1,002,0717 Dual stator, flux switching permanent magnet machine
An electric machine includes a rotor, a first stator, and a second stator. The rotor includes a rotor core and a first and a second plurality of poles mounted...
US-1,002,0716 Transverse flux induction motor with passive braking system
A transverse flux induction motor ("TFIM") is described in accordance with the present invention. The TFIM may be a linear induction motor or a rotary induction...
US-1,002,0715 Manufacturing a permanent magnet module
In a first aspect, a method is provided for manufacturing a permanent magnet module for a generator by using a mold with a resin inlet and a heating system for...
US-1,002,0714 Method of manufacturing rotor
The invention relates to a method of manufacturing a rotor for performing a magnetizing process of magnetizing a plurality of magnet materials that are...
US-1,002,0713 Integral actuator design
An integrated actuator drive unit (ADU) assembly for an electric motor actuator is disclosed. The integrated ADU assembly may comprise at least one of an...
US-1,002,0711 System for fueling electric powered hydraulic fracturing equipment with multiple fuel sources
A hydraulic fracturing system for fracturing a subterranean formation is disclosed. In an embodiment, the system can include a plurality of electric pumps...
US-1,002,0710 Poly-generation system
A poly-generation system includes: at least one cylinder; a reciprocating piston provided in the cylinder; an engine rotor generates a magnetic force and...
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