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Patent # Description
US-9,819,301 Support for solar energy collection
A solar energy collection system can include support devices made with bearings. Such bearings can include an inner partially toroidal surface for sliding...
US-9,819,300 Machine learning apparatus for learning operation conditions of cooling device, motor control apparatus and...
A machine learning apparatus according to the present invention, which learns the operation conditions of a cooling device for cooling a motor or a motor...
US-9,819,299 Inverter device and electric vehicle
Provided are an inverter device deterring PWM voltage error even if high inverter output frequencies are used for overmodulation driving and an electric vehicle...
US-9,819,298 Circuit arrangement and operating method
A circuit arrangement (1) for operating an electric machine. The circuit arrangement (1) includes at least one high-voltage half-bridge circuit (2), which has a...
US-9,819,297 Power conversion device, motor including the same, air conditioner having the motor incorporated therein, and...
A power conversion device includes a printed circuit board, whose mounting surface is opposite to an annular surface formed by an annular stator that...
US-9,819,296 Variable torque motor/generator/transmission
The present disclosure is directed to an electric generator and motor transmission system that is capable of operating with high energy, wide operating range...
US-9,819,295 Time control system and time control method for multiple motors
A time control system for multiple motors is provided in the present disclosure. The time control system includes an event generating module for generating...
US-9,819,294 Inverter control apparatus and control method thereof
An inverter control apparatus and a control method thereof are provided. The inverter control apparatus and a control method thereof stably operate a...
US-9,819,293 Voltage sensor abnormality diagnosis apparatus
A voltage sensor abnormality diagnosis apparatus is applied to a motor controller operating switching of inverter by a switching signal for complementary on and...
US-9,819,292 Systems and methods to respond to grid overfrequency events for a stoichiometric exhaust recirculation gas turbine
A method includes combusting a fuel and an oxidant in a combustor of an exhaust gas recirculation (EGR) gas turbine system that produces electrical power and...
US-9,819,291 Direct-current motor control device
A direct-current (DC) motor control device includes first and second switches, a conducting element and a power storage element. The power storage element, the...
US-9,819,290 Power tool and motor drive circuit thereof
A power tool and a motor drive circuit thereof are provided. The motor drive circuit includes an inverter, a controller and a current sensor. The inverter...
US-9,819,289 Control apparatus for rotating electric machine
In a control apparatus, a magnetic flux information acquiring unit acquires magnetic flux information of magnetic poles of a rotating electric machine. A...
US-9,819,288 Apparatus and method for detecting and preventing movement of a motor in a device of system
A motor drive system configured to detect and prevent undesired movement of an item that is configured to be driven by the motor drive system. The motor drive...
US-9,819,287 Magnetic shape memory element linear motor systems and methods
A method of imparting motion includes contracting a portion of a magnetic shape memory (MSM) element in response to a magnetic field to form an indentation on a...
US-9,819,286 Converter for outputting reactive power, and method for controlling said converter
A converter outputs reactive power and has three phase branches connected to a phase of an alternating voltage source. Each of the phase branches has a phase...
US-9,819,285 Power conversion system
A power conversion system comprising a plurality of modules each having an input and an output and being connected in series. Each module is connected to at...
US-9,819,283 System and method for regulation of multi-level boost based rectifiers with power factor correction
A control method and system are provided for regulating operation of power factor correction rectifiers based on the non-symmetric boost converter topology....
US-9,819,281 Power conversion control device
A voltage period calculator obtains an oscillation period of a voltage. A power source impedance estimating unit obtains an estimated value of a power source...
US-9,819,280 Inverter device
An inverter device applies an excitation current to an excitation winding of a step-up transformer through a switching element, and outputs an output voltage...
US-9,819,279 High frequency series AC voltage regulator
An AC voltage regulator that regulates the output AC voltage level regardless of the varying AC input voltage utilizing high frequency series inductors that...
US-9,819,278 Resonant converter controlled by excitation current of a transformer
A DC/DC conversion apparatus includes a DC voltage source, an oscillation circuit, switch elements, a switch controller, and a transformation circuit. An...
US-9,819,277 Isolated buck converter, switched mode power supply, and method of transferring digital data from a primary...
An isolated buck converter for converting an analog input voltage to an analog output voltage is capable of transferring digital data from the primary side to...
US-9,819,276 Power supply circuit using DC/DC converter
A power supply circuit comprises an input for receiving a power supply from a battery and a DC/DC converter for supplying a converted voltage to a load. A...
US-9,819,275 Power supply device
A power supply device has resonance-type DC-DC converters of three phases connected in parallel, said converters respectively having operation phases shifted...
US-9,819,274 Start-up controller for a power converter
Power converters, e.g., AC/DC and DC/DC, typically have unique circuitry for a proper graceful start-up and to develop correct operating voltage biases....
US-9,819,273 Power conversion apparatus
An isolated power conversion apparatus has an isolation transformer, a series circuit including a load and an inductor connected in series with each other, the...
US-9,819,272 Systems and methods for a variable frequency multiplier power converter
A power converter for converting DC power to DC power includes an inverter stage having two or more switched inverters configured to receive DC power from a...
US-9,819,271 Power converters
A power converter for converting input power to output power includes a first transformer circuit, a second transformer circuit, and balance circuitry. The...
US-9,819,270 Switching power converter, control circuit and integrated circuit therefor, and constant-current control method
The present disclosure relates to a switching power converter, a control circuit and an integrated circuit therefor, and a constant-current control method. The...
US-9,819,269 3D integrated DC-DC power converters
Techniques for integrating DC-DC power converters with other on-chip circuitry are provided. In one aspect, an integrated DC-DC power converter includes: a GaN...
US-9,819,268 DC-DC switching converter with enhanced switching between CCM and DCM operating modes
An electronic device includes first and second transistors coupled in series between first and second source voltage levels. An inductor is coupled between a...
US-9,819,267 Switched mode power supply
A switched mode power supply (100) comprises a reactive element (10) and a control signal generator (30) is arranged to generate a first control signal at a...
US-9,819,266 Digitally controlled zero current switching
Generally, this disclosure describes an apparatus. The apparatus includes switch controller circuitry and zero crossing logic circuitry. The switch controller...
US-9,819,265 Multiphase power controller with dynamic phase management
A multiphase power controller that generates a set of switching control signals to drive a set of power stages. The set of power stages generates an output that...
US-9,819,264 Controller for a power converter
A controller for a power converter. The power converter comprises a converter-switch and a converter-inductor. The controller comprises a ...
US-9,819,263 Power converter and method for manufacturing the same
A power converter includes a carrier, a first electronic component, a second electronic component, and a connection part. The first electronic component is...
US-9,819,262 Systems and methods for enhancing dynamic response of power conversion systems
System and method for regulating a power conversion system. For example, a system controller for regulating a power conversion system includes an amplifier, a...
US-9,819,261 Central control system
Provided is a structure which is capable of central control of an electric device and a sensor device and a structure which can reduce power consumption of an...
US-9,819,260 Integrated circuit charge pump with failure protection
Disclosed is a charge pump protection device including a power supply voltage, a charge pump to produce an output voltage higher than the power supply voltage,...
US-9,819,259 System and method for a power conversion system
In accordance with an embodiment, a method of operating a power system includes operating a power converter at a first output power, monitoring a first input...
US-9,819,258 Systems and methods for latch-up detection and mitigation
Systems and methods for latch-up detection and mitigation. One aspect includes a method implemented in a system divided into a plurality of power blocks, where...
US-9,819,257 DC-to-DC converter input node short protection
Embodiments described herein relate to a circuit including a DC-to-DC converter and a switching device to selectively isolate an input voltage from an input...
US-9,819,256 Semiconductor device
To prevent damage on an element even when a voltage high enough to break the element is input. A semiconductor device of the invention operates with a first...
US-9,819,255 LCL filter resonance mitigation technique for voltage source converters
Control apparatus, techniques and computer readable mediums are presented to mitigate LCL filter resonance issue for voltage source converters. Two level...
US-9,819,254 Voice coil motor
The VCM according to an exemplary embodiment of the present disclosure includes a base unit, a mover including a bobbin arranged at an upper surface of the base...
US-9,819,253 MEMS device
According to the present invention there is provided a device comprising a MEMS die and, a single magnet, wherein the MEMS die cooperates with the magnet, such...
US-9,819,252 Method of molding resin casing and motor
A method of molding a resin casing covering a stator of a motor may include preparing first and second molds; disposing the stator in the first mold; combining...
US-9,819,251 Resin sealing method of motor core
Provided is a resin sealing method of a motor core having a rotor core and a stator core formed in such a way that a plurality of iron core pieces is laminated....
US-9,819,250 Magnet inserting apparatus for magnet insertion into magnet insertion slots of rotor core
A magnet inserting apparatus into magnet insertion slots of a rotor core is configured to arrange a guide tape (a belt-shaped member) along an inner wall...
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