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Patent # Description
US-1,005,6853 Drive device and control method for drive device
Basic current commands of a d-axis and a q-axis are set based on a torque command of a motor. Subsequently, when the rotation speed of the motor is high, an...
US-1,005,6852 Controller for EC motor and method thereof
Rotation speed control systems for an Electronically Commutated (EC) motor and method for controlling rotation speed of an EC motor are described. An rotation...
US-1,005,6851 System and method for induction motor speed estimation using a soft starter system
A system and method for estimating operating characteristics of an induction motor is disclosed. The system includes a motor control device that is electrically...
US-1,005,6850 Wearable power generating device
A wearable power generating device is provided. The wearable power generating device includes an arcuate-shaped flexible substrate, a first energy generating...
US-1,005,6849 Piezoelectric energy harvesting system with frequency mismatch tolerance
An impedance matching circuit is provided for use with a piezotransducer that includes a parasitic capacitor comprising: an inductor coupled in parallel with...
US-1,005,6848 Axially gapped electrostatic machine having drive structure configured to recycle charge
Systems, devices, and methods for an electrostatic machine are provided. In one embodiment, an electrostatic machine may be configured to have an electric field...
US-1,005,6847 Hybrid power conversion system and method of determining efficiency using the same
A hybrid power conversion system includes an inverter, a switching controller, and an efficiency measurer. The inverter is connected in series to a first...
US-1,005,6846 Apparatus and method for insulation design of high voltage direct current transmission system
Provided is an apparatus for an insulation design. The apparatus for the insulation design, which performs the insulation design of a high voltage direct...
US-1,005,6845 Power conversion apparatus and synchronous rectification controller thereof
A power conversion apparatus and a synchronous rectification (SR) controller thereof are provided. The SR controller includes a first control circuit, a second...
US-1,005,6844 Self supply for synchronous rectifiers using off state reverse voltage
A power converter with an isolated topology may include a primary side and a secondary side. The secondary side includes a self-powered synchronous rectifier....
US-1,005,6843 Method and device for supplying energy to a low-voltage load
A method and a device for supplying energy to a low-voltage load using an electronic power supply device. The method involves: a) setting the power supply...
US-1,005,6842 Quasi-resonant valley lockout without feedback reference
A method of controlling a power supply includes detecting a transition of the power supply to discontinuous conduction mode (DCM), and locking an operating...
US-1,005,6841 Energy storage arrangement, energy storage system and method for operating an energy storage arrangement
An energy storage arrangement or configuration includes an energy store or storage device which can be connected to an electrical energy supply via a buck...
US-1,005,6840 Feed-referenced regenerative DC load
A regenerative direct current (DC) load includes an input circuit, an output circuit, a low pass filter circuit, and a current regulating circuit. The input...
US-1,005,6839 Converter arrangement having a control die with control logic for generating a control signal and a control...
A converter arrangement, in particular a switched DC/DC converter arrangement, comprises a control die and a converter die. The control die comprises a control...
US-1,005,6838 Circuit and method for reducing analog buck current control loop sensitivity to supply path resistance
This application relates to a power converter circuit for converting a supply voltage received at an input node and providing, at an output node, a current at...
US-1,005,6837 DC-DC converter and power source device
According to one embodiment, a DC-DC converter, includes: an inductor configured to be supplied with an input voltage; a plurality of rectifiers connected in...
US-1,005,6836 DC power source apparatus
There is provided a DC power source apparatus that can prevent failures in components included in the DC power source apparatus and a load and that can prevent...
US-1,005,6835 Current sense element for current regulated circuit and the like and method therefor
In one form, a circuit having a current sense element includes a current sense element, a target signal generator, and an error signal generator. The current...
US-1,005,6834 Output capacitance calculation and control in a power supply
Controller circuitry controls power supply circuitry to produce an output voltage. During operation of the power supply circuitry to produce the output voltage,...
US-1,005,6833 Voltage regulator for inductive loads
A voltage driver includes a voltage input and a voltage regulation controller with an on/off input. The voltage regulation controller is configured to control a...
US-1,005,6832 Load driving control apparatus
A load driving control apparatus calculates current slopes in an on-period and an off-period in one PWM cycle period, respectively, by using actual currents at...
US-1,005,6831 Filter and method for direct rectification grid-powered power supplies
A high-voltage filter for an alternating-current (AC) to direct current (DC) power adapter of the type having a rectifier providing an internal ground and a...
US-1,005,6830 Control scheme for DC-DC power converters with ultra-fast dynamic response
Methods and apparatus for determining a value of a pulse-width modulation (PWM) signal with which to drive a power stage of a DC-to-DC voltage converter having...
US-1,005,6829 In-vehicle power supply device and vehicle mounted with same
A power supply device includes a boost convertor configured to perform a boost-up operation to boost a voltage supplied from an input terminal, a ...
US-1,005,6828 System and method for controlling current in a switching regulator
In accordance with an embodiment, a method of operating a switch-mode power supply includes receiving a measurement of a first current of the switch-mode power...
US-1,005,6827 Power converter
One example discloses a switching capacitive power converter, SCPC, including: an energy storage element; a voltage reference controller, and configured to...
US-1,005,6826 Direct-current power supply device for controlling at frequency being 3N times frequency of three-phase...
A direct-current power supply device is a direct-current power supply device that converts a three-phase alternating current to a direct current and supplies...
US-1,005,6825 Control apparatus and method in static VAR compensator system
A control apparatus in a static VAR compensator (SVC) system includes a plurality of current supply units for supplying phase currents configuring three-phase...
US-1,005,6824 Voltage shunt regulator for the protection of an electrical load from over-voltages and voltage transients
A voltage shunt regulator for the protection of an electrical load from overvoltages and voltage transients of a supply voltage is provided. The electrical load...
US-1,005,6823 Protection circuit applied to an alternating current power source and related protection method thereof
A protection circuit applied to an alternating current (AC) power source includes a sample-and-hold unit, a detection unit, and a discharge signal generation...
US-1,005,6822 Constant on-time switching regulator for zero ESR output capacitor without output voltage offset
A control circuit for a switching regulator implementing a fixed frequency constant on-time control scheme incorporates a reference voltage generator to...
US-1,005,6821 Power conversion system and method for suppressing the common-mode voltage thereof
The present disclosure discloses a power conversion system and a method for suppressing the common-mode voltage. The power conversion system comprises a...
US-1,005,6820 Harmonic regulator for current source rectification and inversion
A system includes a current source rectifier which has a plurality of switches configured to receive an input current from an AC voltage source and to receive a...
US-1,005,6819 Predicting the timing of current phases of a DC-DC converter
A timing regulation circuit includes a fixed and tunable timer. A current source generates a source current I.sub.1 proportional to an inductor voltage...
US-1,005,6818 Series-parallel converter system and control method thereof
A series-parallel converter system includes: a first set of parallel circuitries including a plurality of first circuitries in parallel with each other; a...
US-1,005,6817 Fluid ferfereh
In this device, the nozzles that often used in order to make a linear motion, so they can be helpful in rotating the disc if they are placed at the external...
US-1,005,6816 Methods and systems for controllably moving multiple moveable stages in a displacement device
Aspects of the invention provide methods and systems for moving a plurality of movable stages relative to a stator. The stator comprises a plurality of coils...
US-1,005,6815 Linear drive system for downhole applications
An apparatus for use in a borehole may include a rotor having at least one set of magnetic elements and a cylindrical stator having a winding flowing current in...
US-1,005,6814 Vibration motor
A vibration motor includes a housing having a receiving space and a vibration unit. The vibration unit includes a main weight, a main pole plate, and a main...
US-1,005,6813 Multipole electrical machine
An electromagnetic unit configured for being employed in a stator of an electric machine. The electromagnetic unit is constituted by a unitary solid body, and...
US-1,005,6812 Permanent magnet electric motor and generator and hybrid motor comprising it in a scooter
A three-phase permanent magnet electric motor-generator includes a stator having a plurality of teeth, each provided with a respective electric winding...
US-1,005,6811 Electric traction drives
Inventive embodiments are directed to components, subassemblies, systems, and/or methods for electric traction drives employing a continuously variable...
US-1,005,6810 Apparatus for inspecting laminated iron core and method for inspecting laminated iron core
There is provided an apparatus for inspecting a laminated iron core in which a plurality of iron core pieces are laminated. The apparatus includes an insertion...
US-1,005,6809 System and method for disassembling a drive pinion assembly of starter motor
A system for disassembling a drive pinion assembly of a starter motor is disclosed. The drive pinion assembly includes a drive gear and a pinion member coupled...
US-1,005,6808 Brushless DC motor incorporating single pole double throw magnetic switch
A brushless DC motor utilizing a single pole double throw reed switch as a rotor position sensor. In one embodiment, the motor has a four-pole internal stator...
US-1,005,6807 Electronically commutated fan motors and systems
Embodiments herein include electronically commutated ("EC") motors, fans operated by such motors, cooling systems including the same, and related methods. In an...
US-1,005,6806 Stator assembly for a brushless motor in a power tool
A power tool includes a brushless DC motor having a stator and a rotor pivotably arranged inside the stator, the stator including a first winding, a second...
US-1,005,6805 Venting generator assemblies
A generator assembly includes a generator shaft defining an interior vent space. A valve assembly is positioned within the vent space configured to selectively...
US-1,005,6804 Apparatus for generating electric power from vehicles moving on a road
An apparatus for generating electric power from vehicles moving on a road comprises a movable element or assembly, arranged at a road surface, and thereon...
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