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Patent # Description
US-9,397,582 Power converter, and inverter device including the power converter
In a power converter, in a period in which the polarities of output voltage and output current of a power converter differ, a pulse train voltage corresponding...
US-9,397,581 Power conversion apparatus that provides a release path for inductive energy accumulated in an inductive load
A power conversion apparatus includes first, second, third, and fourth switching elements. In a first period, the second and third switching elements are...
US-9,397,580 Dual link power converter
Methods and systems for transforming electric power between two or more portals using multiple power modules. Any or all portals can be DC, single phase AC, or...
US-9,397,579 Full-bridge switching DC/DC converters and controllers thereof
A controller for a DC/DC converter controls a first, second, third, and fourth switches according to pulse signals generated alternately. The controller turns...
US-9,397,578 Voltage feed-forward compensation and voltage feedback compensation for switched mode power supplies
A digital control unit generates a control signal to control a duty cycle of a switched mode power supply such that a faster response to an input voltage...
US-9,397,577 Switching mode power supplies with primary side regulation and associated methods of control
A switching mode power supply (SMPS) includes a transformer having a primary winding, a secondary winding for providing an output voltage and an auxiliary...
US-9,397,576 Control circuit
A control circuit is adapted for controlling a converter. The converter includes a transformer and a power switch. The control circuit includes a current...
US-9,397,575 Switching power supply device
In a switching power supply device, a voltage of a counter electromotive force induced in a drive winding as a high side switching element is turned off is...
US-9,397,574 Control device for a DC-DC converter
A control device controls a switching circuit of a DC-DC converter. The switching circuit includes a half-bridge with at least first and second switches...
US-9,397,573 Integrated circuit for controlling a switch of a current path with leading edge blanking device of the current...
An integrated control circuit of a switch is described, which is adapted to open or close a current path; said integrated circuit includes a comparator to...
US-9,397,572 Control apparatus for DC-DC converter
An apparatus controls a DC-DC converter that converts an input voltage to an output voltage. The DC-DC converter includes a switching element having a duty...
US-9,397,571 Controlled delivery of a charging current to a boost capacitor of a voltage regulator
Disclosed are devices, apparatus, circuitry, components, mechanisms, modules, units, systems, and processes for controlling a power switch of a voltage...
US-9,397,570 Systems for controlling high frequency voltage mode switching regulators
A circuit for controlling a switching regulator is provided. The circuit includes a first input to receive a feedback signal from the switching regulator...
US-9,397,569 Current control circuit with in parallel transistor modules
Consistent with an example embodiment, there is a current control circuit for controlling current flow between a first terminal and second terminal. The current...
US-9,397,568 Semiconductor integrated circuit device and power supply system
A semiconductor integrated circuit device includes a first voltage terminal, a second voltage terminal, an output terminal, a high-side MOSFET connected between...
US-9,397,567 Shunt integrated voltage regulator
A method and apparatus for augmenting an external voltage regulator with a shunt integrated voltage regulator is disclosed. In one embodiment, an integrated...
US-9,397,566 Master-slave digital voltage regulators
Described is an apparatus which comprises: a first bridge to be coupled to a first load; a first Pulse Width Modulation (PWM) circuit to drive the first bridge;...
US-9,397,565 Phase offset compensation for multiphase DC-DC converter
The present document relates to multiphase DC-DC power converters. In particular, the present document relates to the compensation of the phase offset incurred...
US-9,397,564 DC-DC switching regulator with transconductance boosting
A switching regulator comprising a droop amplifier responsive to a reference voltage and a feedback voltage to generate a droop voltage. The droop amplifier...
US-9,397,563 Driver circuit
A driver circuit includes normally-on first and second transistors, a first control circuit for controlling the first transistor in response to a first control...
US-9,397,562 Negative reference voltage generating circuit and system thereof
A negative reference voltage generating circuit generating a negative reference voltage is provided, including a differential amplifier, a first diode, second...
US-9,397,561 Frequency dependent analog boost converter for low voltage applications
An analog open-loop self-oscillating boost converter is provided including: an output terminal for supplying an output voltage bus; an input terminal for...
US-9,397,560 Controller for a power supply with transition region regulation
A method for regulating a flow of energy from an input to an output of a power converter includes receiving a first signal representative of an output voltage,...
US-9,397,559 Switching regulator current mode feedback circuits and methods
The present disclosure includes circuits and methods for controlling the operation of a switching regulator. In one embodiment, the present disclosure includes...
US-9,397,558 Self-biased charge pump
An apparatus including: a current source configured to generate current; a switching current source circuit coupled to the current source and a first bias node...
US-9,397,557 Charge pump with wide operating range
A charge pump at least includes a current source, a first switch, a second switch, a level-shift circuit, and a capacitor. The first switch is coupled between...
US-9,397,556 Power supply apparatus with auxiliary boost circuit
A power supply apparatus includes a rectification circuit, a power factor correction circuit, an auxiliary boost circuit and a direct current to direct current...
US-9,397,555 AC-DC power conversion circuit with current harmonic suppression
A controller outputs a pulse signal to a first switch and a second switch on the basis of a circuit current flowing through a power conversion circuit and a...
US-9,397,554 Motor drive device having function of estimating dead time in output stage
A motor drive device includes an inverter for generating an AC voltage from a DC voltage by switching power elements, a current detection unit for detecting a...
US-9,397,553 Switching mode power supply, apparatus and method of supplying power by using the same, and image forming...
A switching mode power supply (SMPS) usable with an image forming apparatus receives an alternating current (AC) power from an external electric power supply...
US-9,397,552 Snubber circuit to increase efficiency of power converters
A system including a converter and a snubber circuit. The converter converts an alternating current voltage into a direct current voltage and outputs the direct...
US-9,397,551 Device for protecting against an electrical overcurrent in at least one electronic switching branch, conversion...
This device protects at least one electronic switching branch of an electrical conversion system against an overcurrent, each branch comprising two switching...
US-9,397,550 Systems and methods for over-temperature protection and over-voltage protection for power conversion systems
Systems and methods are provided for protecting a power conversion system. A system controller includes a first controller terminal and a second controller...
US-9,397,549 Power conversion system for controlling harmonics
A power conversion system for controlling harmonics, which uses the Fourier transform analysis to calculate the harmonics element of each current, and adds the...
US-9,397,548 DC-DC converter systems
DC-DC converter systems are disclosed. DC-DC converter systems may include an input, an output, a resonant switched-capacitor DC-DC converter, and a second...
US-9,397,547 Non-sliding carrier bearing in submersible pump motor and method of installation
A submersible well pump motor has features to prevent the carrier bearing from sliding axially along the stator due to thermal growth of the rotor. The rotor...
US-9,397,546 Field rotor with cooling passages for superconducting electric machine
A field rotor of a superconducting rotary machine, includes a rotary shaft, a plurality of coil boxes, and a plurality of superconducting coils. The coil boxes...
US-9,397,545 Electric damper for a motor vehicle
An electric damper for a motor vehicle for damping a relative movement between two components includes an electric generator for generating an induction...
US-9,397,544 Electromagnetic pump compensation power supply apparatus and electromagnetic pump system
Provided, in parallel to an electromagnetic pump in a power supply system, is an electromagnetic pump compensation power supply mechanism (10) that will perform...
US-9,397,543 Electrical machine
An electromagnetic machine, comprising: a first stator winding having a first number of pole pairs; a second stator winding having a second number of pole pairs...
US-9,397,542 Stator manufacturing method used for automotive rotary electric machine
The stator winding has winding assemblies that are disposed in a stator core so as to be stacked in three or more layers in a radial direction such that...
US-9,397,541 Stator for electric rotating machine and method of manufacturing the same
A stator includes a hollow cylindrical stator core comprised of a plurality of stator core segments, a stator coil mounted on the stator core, and an outer...
US-9,397,540 Electric machine and method for manufacturing it
A method for making a rotary electric machine comprises the steps of: preparing a core (18) having a plurality of pole expansions and a plurality of windings...
US-9,397,539 Method for fabricating a rotor for an induction motor
A method for fabricating a rotor assembly includes assembling shorting end rings onto conductor bars through a steel laminate stack. The ends of the steel...
US-9,397,538 Linear motor
A linear motor with enhanced cooling performance, including: a stator including multiple magnetic force generating members provided in a row; a moving element...
US-9,397,537 Cooling assembly for electric machines
A cooling assembly for the stator of an electric machine provided with coils including heads is described herein. The cooling assembly includes a generally...
US-9,397,536 Rotating electrical machine for vehicles with liquid cooling
An embodiment of a rotating electrical machine has: a shaft rotatably mounted to rotate around a central rotation axis; a rotor carried by the shaft; a stator...
US-9,397,535 Brushless motor and electric-powered tool
In a brushless motor, a rotor core is fixed to a shaft. Through holes are formed in the rotor core, and permanent magnets are inserted to be fixed in place in...
US-9,397,534 Device for damping vibrations with an energy recovery capability, and vehicle with such a device
A device for damping vibrations with an energy recovery capability includes an input shaft rotatable about the input shaft longitudinal axis with an alternating...
US-9,397,533 Speed reduction mechanism, and motor torque transmission device including the speed reduction mechanism
In a reduction-transmission mechanism, an input member is arranged at such a position that a size obtained by adding a fitting clearance formed between a ball...
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