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Patent # Description
US-1,028,4094 Current balance adjustment circuit and power conversion system
A circuit configured to, for each of values of output currents output from power conversion devices connected in parallel to one another and driven based on...
US-1,028,4093 Power conversion apparatus and method for configuring the same
The present disclosure discloses a power conversion apparatus and a method for configuring the same. The power conversion apparatus includes a boost unit and at...
US-1,028,4092 Power electronic building block using series-stacked gallium-nitride HEMTs
A power converter can include: a first power terminal and a second power terminal; a first upper series-stacked high electron mobility transistor (HEMT) module...
US-1,028,4091 Bi-directional converter, controller, and semiconductor device
A controller controls a bi-directional converter which includes: a first input/output terminal and a second input/output terminal for receiving and outputting a...
US-1,028,4090 Combined boost converter and power converter
In accordance with embodiments of the present disclosure, a system may include a series combination of a boost converter and a power converter coupled together...
US-1,028,4089 Integrated bi-directional driver with modulated signals
According to some embodiments, a bi-directional converter is configured to operate in a boost mode or a buck mode. The bi-directional converter includes a...
US-1,028,4088 Power conversion device, time signal generator and method thereof
A time signal generator includes a time signal circuit and a timing circuit. The time signal circuit includes a current source and a current source circuit, and...
US-1,028,4087 Step-up/step-down DC-DC converter
In the present invention a switching control circuit 130 has: a slope voltage generation unit 131 that generates slope voltages Vs1 and Vs2 that are opposite in...
US-1,028,4086 Boost converter and the method thereof
A boost converter having an inductor having a first terminal coupled to an input port to receive the input voltage; a high side switch coupled between the...
US-1,028,4085 Switching regulator
A switching regulator includes a comparator, an on-time control circuit, an R-S flip-flop circuit, and a timer circuit that outputs a count-up signal, where the...
US-1,028,4084 Power control circuit and method thereof
A power control circuit provides a supply voltage, and includes a voltage regulating circuit and a signal selecting circuit. The voltage regulating circuit is...
US-1,028,4083 DC/DC converter with a flying capacitor
A DC/DC converter includes a first low-voltage terminal point, a second low-voltage terminal point and a third low-voltage terminal point, and a first...
US-1,028,4082 Power supply control circuit
A power supply control circuit is connected to and controls a system power supply IC. The system power supply IC has multiple power supply circuits and is...
US-1,028,4081 Charge pump regulation
A regulated charge pump circuit and method of operation are described. A charge pump is configured to supply an output voltage to a load, and includes at least...
US-1,028,4079 DC-DC power converter circuit having switched-capacitor circuit and method of controlling output voltage of the...
A DC-DC power converter circuit includes a switched-capacitor circuit, an error amplifier, a latched comparator and a switching controller. The error amplifier...
US-1,028,4078 Apparatus and method for limiting electromagnetic interferences in a switching converter
A method and apparatus for limiting or preventing electromagnetic interferences in a switching converter are presented. In particular, a power circuit provided...
US-1,028,4077 PFC controller providing reduced line current slope when in burst mode
A Power Factor Correction (PFC) controller includes an error amplifier for amplifying a difference between Vout and intended Vout to provide a power demand...
US-1,028,4076 Converter module for HVDC power station
A converter module for power converter stations includes a first terminal for input/output of an electrical current to the converter module via a first...
US-1,028,4075 Overvoltage protection circuit for protecting overvoltage corresponding to wide range of input voltage
An overvoltage protection circuit is provided which is connected between a rectifier circuit and a load including an input capacitor element connected to both...
US-1,028,4074 Load switch and method of switching same
A load switch includes a switch element and first and second control circuits. The switch element has an input terminal for receiving an input voltage, an...
US-1,028,4073 Power supply built-in testing
A disclosed system includes a switching power supply including a switching circuit and one or more monitoring circuits configured to monitor one or more power...
US-1,028,4072 Voltage regulators with multiple transistors
A voltage regulator includes a high-side device, a low-side device, and a controller. The high-side device includes first and second transistors each coupled...
US-1,028,4071 Semiconductor device for controlling power source
A semiconductor device for power supply control includes an on/off control signal generation circuit which generates a control signal to turn on or off the...
US-1,028,4070 Voltage conversion device and voltage conversion method
A voltage conversion device and a voltage conversion method are provided in which, even immediately after switching a switching frequency, it is possible to...
US-1,028,4069 Voltage conversion device and apparatus
A voltage conversion device can selectively switch between and perform voltage control and current control of a voltage conversion unit in a suitable manner in...
US-1,028,4068 Linear actuator
A linear actuator for an active engine mount of a vehicle has a stator with a coil that can be fed with electric current for generating an electromagnetic field...
US-1,028,4067 Linear motor
A linear motor includes a housing; a vibrating assembly arranged in the housing, the vibrating assembly including coils, a weight and a connecting piece...
US-1,028,4066 Vibration motor
A vibration motor includes a housing; a fixed component; an elastic connecting piece; and a vibrating component comprising a counterweight suspended by the...
US-1,028,4065 Horizontal linear vibration motor
A horizontal linear vibration motor for securing the straightness of a coil spring and preventing a driving unit, such as a mass body, from axially rotating...
US-1,028,4064 Brushless direct current motor and rotor thread thereof having fixing pins
A BLDC motor includes a stator and a rotor. The rotor includes a shaft, first and second end plates, a plurality of cores arranged between the first and second...
US-1,028,4063 Synchronous reluctance motor
A plurality of flux barriers in each of flux barrier groups include arcuate portions formed in a polygonal region. The arcuate center of the arcuate portions in...
US-1,028,4062 Method for manufacturing workpiece and method for manufacturing laminated core
This disclosure relates to a method for manufacturing a workpiece for a segmented laminated core. This method includes (A) feeding a plate for processing drawn...
US-1,028,4061 Rotor of permanent magnet-type rotary electric machine
Provided is a rotor (1) of a permanent magnet-type electric rotary machine, the rotor being able to restrain a decrease of a magnetic characteristic. A pair of...
US-1,028,4060 Stator assembly method and stator assembly apparatus
A stator assembly method and stator assembly apparatus in which coils that have slot housed portions and coil ends formed from a conductor are mounted to an...
US-1,028,4059 Device for manufacturing a stator
The method for manufacturing a stator of an electric machine includes providing a lamination element extending over an annular sector, horizontally moving the...
US-1,028,4058 Method and apparatus for manufacturing laminated cores
At the time of manufacturing both a laminated rotor core 13 and a laminated stator core 14 by punching out a plurality of iron core pieces 11 and 12 from a same...
US-1,028,4057 Stator manufacturing device and stator manufacturing method
A highly versatile stator manufacturing device is provided. A stator manufacturing device 7 includes: an engagement portion 8 engageable with a distal end of an...
US-1,028,4056 Brush holder apparatus having brush terminal
A brush holder apparatus has a stationary support member having two opposing grooves, a fork electrical connector, and a conductive bar passing through a main...
US-1,028,4055 Actuator and method of adjusting actuator
A Hall IC of an actuator calculates a relative angle by using magnetic flux densities in two directions, and corrects a linearity error in the relative angle by...
US-1,028,4054 Motor control device
A motor control device is provided that enables smooth rotation control from a low-speed region to a high-speed region. A microcomputer of the motor control...
US-1,028,4053 Electric motor
An electric motor includes a stator having an outer peripheral surface including a plurality of projections and a housing having an inner peripheral surface...
US-1,028,4052 Motor drive device which cools heat sink by outside air
A motor drive device is fixed to a wall part of a housing and comprises a duct having an inflow port and an outflow port of air. A main body part of the duct...
US-1,028,4051 Motion controlled actuator
A device can have an outer frame and an actuator. The actuator can have a movable frame and a fixed frame. At least one torsional flexure and at least one hinge...
US-1,028,4050 Apparatus for avoiding harmful bearing currents
The present invention relates to an apparatus for reducing and/or avoiding harmful bearing currents in an electrical machine (M) such as preferably a...
US-1,028,4049 Electric motor having labyrinth
An electric motor including a labyrinth having a function for preventing foreign particles from entering an inside of the motor. A labyrinth member having a...
US-1,028,4048 Electric motor for suppressing entry of foreign substances
An electric motor is provided with an annular member supported by a cylindrical member of a front housing. The annular member includes an opposite part spaced...
US-1,028,4047 Electric motor for washdown, food processing, and chemical applications
An exemplary electric motor includes a power entry compartment, a power connection compartment, a removable cover, and a sealing member positioned between the...
US-1,028,4046 DC brush motor
There is provided a DC brush motor that is provided with: a magnet; an armature configured to rotate relative to the magnet about a rotary axis, the armature...
US-1,028,4045 Electric motor having reinforcing ring
An electric motor has stator with a core of magnetic material, a winding frame covering the core and windings wound around the winding frame. The core has an...
US-1,028,4044 Methods and apparatus for generating electrical power on aircraft rotor heads
Methods and apparatus for generating electrical power on aircraft rotor heads are disclosed. The apparatus includes a rotor assembly and a stator assembly. The...
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