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Patent # Description
US-1,009,0787 Variable electric motor system and electrically powered device
This variable electric motor system comprises an electrically powered device and a planet gear transmission device. One of a sun gear shaft, a planet gear...
US-1,009,0786 Control methods and systems for motors and generators operating in a stacked configuration
While motors or generators stacked in series may allow for higher operating voltages, such motors or generators may also exhibit instability. To minimize...
US-1,009,0785 Electric arrangement and method for controlling of at least two electric motors
An electric arrangement which, for controlling at least two electric motors, has at least one first H-bridge arrangement and a second H-bridge arrangement, is...
US-1,009,0784 Electric hand tool and electromagnetic brake control method thereof
An electric hand tool is provided. The electric hand tool receives a shutdown signal issued by a shutdown element under control during an operation process of...
US-1,009,0783 Energy conversion device using change of contact area and contact angle of liquid
The present invention relates to a method and a device for converting energy using a change of a contact area and a contact angle of liquid and, more...
US-1,009,0782 Drum-type wide-frequency piezoelectric power generation apparatus
A drum-type wide-frequency piezoelectric power generation apparatus may include a protective layer pasted on piezoelectric layer through epoxy resin glue or...
US-1,009,0781 Piezoelectric motor assembly
A piezoelectric motor assembly for producing rotary motion, according to the present invention, has a motor frame and a circular body rotatably mounted on the...
US-1,009,0780 Device with electrode connected to through wire, and method for manufacturing the same
A capacitive transducer includes a substrate having a first surface and a second surface opposite the first surface, the substrate including a through wire...
US-1,009,0779 Method and system for compensating for current sensor offset of inverter
A method of compensating for a current sensor offset of an inverter includes: calculating a current sensor offset based on an output value of a current sensor,...
US-1,009,0778 Multi-phase power device with two-phase modulation scheme
A multi-phase power device for driving an inductive load includes a first semiconductor device and a second semiconductor device connected in series in each of...
US-1,009,0777 Inverter with independent current and voltage controlled outputs
Transformerless bimodal inverters provide grid-tie outputs for back-feeding solar-originated power from a battery to a utility power grid in a grid-tied mode,...
US-1,009,0776 Method to protect a power converter arrangement and power converter arrangement with a protective device
A method is disclosed to protect a power converter arrangement with a power converter that has a DC side that is connected to a DC intermediate circuit, an AC...
US-1,009,0775 Discharing an input capacitor of a switch mode power supply
A method is disclosed of discharging an input capacitor of a switch mode power supply comprising a power switch and the input capacitor, through the power...
US-1,009,0774 Power electronic arrangement with DC voltage connection element
A power electronic arrangement has a power converter module, and a first and a second DC voltage terminal element and a first and a second DC voltage connection...
US-1,009,0773 System, apparatus and method for improving input power quality in a modular power inverter
In one embodiment, a system includes a plurality of slices each having a transformer including a primary winding to couple to an input power source and a...
US-1,009,0772 Resonant power converters using impedance control networks and related techniques
An impedance control resonant power converter (converter) operated at a fixed switching frequency includes an impedance control network (ICN) coupled between...
US-1,009,0771 Switching mode power amplifier with load isolation
A power amplifier device includes first and second pairs of semiconductor switches, transformers, and a zero-crossing detection circuit for detecting a zero...
US-1,009,0770 Isolated power converter with output voltage protection
An apparatus for delivering power to a load, which comprises an isolated power converter that converts input power on a primary side to output power and a...
US-1,009,0769 Isolated high frequency DC/DC switching regulator
An electronic device, which includes an H-bridge circuit and a miniaturized transformer that is coupled to operate at VHF frequency, and a driver circuit for an...
US-1,009,0767 Switching power supply device having a pulse width holder
A switching power supply device includes a switching element connected in series with a primary winding of a transformer, to which an input voltage is applied,...
US-1,009,0766 Reusing electromagnetic energy from a voltage converter downhole
A biasing circuit for a flyback converter can include a rectifier electrically coupled to an inductor of the flyback converter for generating a direct current...
US-1,009,0765 Multi-phase converter controller using dynamic hysteresis value
In one example, a circuit for controlling a multi-phase converter is configured to determine an operating condition at a multi-phase converter module. Each...
US-1,009,0764 Method to provide meta-stable operation of a DC microgrid comprising a pulsed load
A Hamiltonian surface shaping power flow control (HSSPFC) method is used to analyze the meta-stability and adjust pulsed power loads on a DC electric power...
US-1,009,0763 Multi-level buck converter having a regulated flying capacitor voltage used for high-side drive
A multi-level buck converter is provided with multiple control loops to regulate the output voltage across a wide duty cycle range while also regulating the...
US-1,009,0762 Direct current (DC) voltage converter operation mode transition
A direct current (DC) voltage converter configured to transition between operation modes is disclosed. A voltage selection circuitry is provided in a DC voltage...
US-1,009,0761 Power conversion apparatus
A power conversion apparatus includes a first semiconductor element pair that includes a MOSFET made of wide bandgap semiconductor material and a wide bandgap...
US-1,009,0760 DC-DC voltage conversion device
In a DC-DC voltage conversion device, overheat of a diode element connected in anti-parallel with a semiconductor switching element is a problem, and in order...
US-1,009,0759 Electronic device with a reconfigurable charging mechanism
An electronic device includes a reconfigurable charge pump including pump units that can be arranged differently for varying an output voltage generated by the...
US-1,009,0758 Split reservoir capacitor architecture for a charge pump
Embodiments herein provide electronic devices that include a charge pump coupled to a split reservoir capacitor which includes at least two discrete capacitors....
US-1,009,0757 Power factor correction circuit and method
A Power Factor Correction (PFC) circuit includes an oscillator circuit. The oscillator circuit receives a valley detect signal indicating a zero current...
US-1,009,0756 Single input multi output direct current power supply system and control circuit thereof
A buck voltage regulator control circuit for a single-input multi-output direct current power supply system, during a soft start phase of a first buck voltage...
US-1,009,0755 Pre-bias startup of a converter
A method includes comparing, by a voltage-second (VS) controller, a first duty cycle used to control a first switch at a primary side of a power transformer of...
US-1,009,0754 Photovoltaic inverter
Disclosed herein is a photovoltaic inverter that prevents degradation in the efficiency of photovoltaic generation by applying a reverse voltage of a DC voltage...
US-1,009,0753 Power conversion device and power conversion system
A power conversion device includes: a first power conversion circuit that converts power inputted from outside and outputs the converted power to a second power...
US-1,009,0752 Power conversion device
A power conversion device has a main switch connected to a positive electrode side line of a battery, at least one semiconductor power element connected between...
US-1,009,0751 Gate driver for switching converter having body diode power loss minimization
In a switching converter having an inductive load, a current may flow through the body diode of a transistor even though the gate of the transistor is being...
US-1,009,0750 Isolating switch circuit and control method thereof
The present invention provides an isolating switch circuit and a control method. The present invention takes first time information as a characteristic to...
US-1,009,0749 Magnetic gears for a contactless and frictionless magnetic gear system
A magnetic gear system for use anywhere gears are required. The magnetic gear system incorporating magnetic gears including at least one end plate and at least...
US-1,009,0748 Linear motor and compressor equipped with linear motor
A linear motor includes an armature with two magnetic poles arranged in the Z direction, and winding wires wound around the two magnetic poles, respectively,...
US-1,009,0747 Electric motor and electric circuit
An electric motor, in particular a printed circuit board, having a stator, and a linearly guided rotor. On the rotor, a bolt ring having a number of bolts is...
US-1,009,0746 8-pole, 2-phase bipolar step motors with easy manufacture and optimum torque for size
Step motors have a uniformed 8-stator pole design, while maintaining the number of stator teeth very close to the number of rotor teeth for better torque. A...
US-1,009,0745 Vibration motor
A vibrating motor is provided in the present disclosure. The vibrating motor includes a shell, a vibrating module, a magnet module, a coil module and an elastic...
US-1,009,0744 Vibration motor
A vibration motor is provided in the present disclosure. The vibration motor includes a housing providing an accommodating space, and a first vibration system...
US-1,009,0743 Embedded permanent magnet-type electric motor, compressor, and refrigeration/air-conditioning device
In an interior permanent magnet motor, a magnet insertion hole of a rotor core is curved into an arc shape, and a convex portion side of the arc shape is...
US-1,009,0742 Rotating electric machine
A rotating electric machine includes at least one multi-phase coil, at least one armature core having the at least one multi-phase coil wound thereon, and at...
US-1,009,0741 Double-stator rotating electric machine
A double-stator rotating electric machine includes a rotor, an outer stator having an outer multi-phase coil wound thereon, and an inner stator having an inner...
US-1,009,0740 Method for fabrication of a conductor bar
The present disclosure relates to a method for fabrication of a conductor bar and to a use of a conductor tape with applied putty for the fabrication of a...
US-1,009,0739 Electric machine having a potential equalization device
An electric machine having a stator (3) and a rotor (4) mounted rotatably by means of a rotor shaft (5) and having a potential equalization device containing a...
US-1,009,0738 Motor interface controller having an integrated power supply
A motor assembly broadly includes a motor, a motor controller, and an interface controller having an integrated power supply. The integrated power supply...
US-1,009,0737 Stator with ground contact
A stator for an electrical machine with a stator body (2, 102) and a ground contact (3, 103) which is electrically connected to the stator body, wherein the...
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