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Patent # Description
2018/0041152 METHOD OF OPERATING AN ENGINE AND A GENERATOR
Method of operating an engine and electricity generator powered by torque from the engine is provided. The engine has a working-line which is a locus of engine...
2018/0041151 ADAPTIVE CONTROL SYSTEM FOR A VARIABLE SPEED ELECTRICAL GENERATOR
Systems, apparatuses, and methods are disclosed herein for controlling a variable speed electrical generator. The method includes setting a threshold for a...
2018/0041150 DETECTING BRUSHFIRE IN POWER SYSTEMS
In some examples, a detection circuit is configured to detect a brushfire in a power system based on an electrical signal from the power system. The detection...
2018/0041149 EVALUATION SYSTEM, EVALUATION DEVICE, GAME MACHINE, AND EVALUATION METHOD
Disclosed are an evaluation system, an evaluation device, a game machine, and an evaluation method for being able to evaluate a drive motor that drives various...
2018/0041148 PHASE DETECTING DEVICE, MOTOR SYSTEM, IMAGE FORMING APPARATUS, CONVEYANCE DEVICE, AND SENSOR LEVEL OBTAINING METHOD
A phase detecting device includes a signal level detector configured to detect a first level of a signal according to a phase of a rotor of a motor, a level...
2018/0041147 MOTOR TORQUE RIPPLE REDUCTION USING DC BUS HARMONICS
A method and system of reducing/eliminating ripple in an electric motor. An electric parameter, such as current is sensed in an input electric signal. Ripple...
2018/0041146 LINEAR MOTOR CONTROL APPARATUS AND LINEAR MOTOR CONTROL SYSTEM
A linear motor control apparatus has: a plurality of coil units; a plurality of position detecting units for detecting positions of a plurality of trucks which...
2018/0041145 COMMINUTING MACHINE DRIVE SYSTEM
A comminuting machine includes a frame, a comminuting rotor coupled to the frame, and a rotary drive coupled to the rotor. The rotary drive including a...
2018/0041144 PRE-ALIGNMENT OF SYNCHRONOUS LOADS PRIOR TO STARTING GRID
Systems and methods for pre-aligning rotors of synchronous motors on a synchronous AC grid prior to startup of the motors are provided. A partial power...
2018/0041143 Device And Method For Electrical Energy Synthesis
An aspect of the present invention provides a circuit and arrangement for generating and amplifying an electric scalar potential field and a method for...
2018/0041142 PIEZOELECTRIC POWER GENERATION DEVICE
A piezoelectric power generation device comprises a power generation element which includes a support body having a plate-like planar portion with first and...
2018/0041141 VIBRATION ACTUATOR AND ELECTRONIC APPARATUS USING VIBRATION ACTUATOR
A vibration actuator that is capable of miniaturizing or obtaining stable drive performance. The vibration actuator moves a vibration body and a driven body...
2018/0041140 Electret Element, Electromechanical Converter and Method for Manufacturing Electret Element
An electret element includes: an Si layer, an SiO.sub.2 layer formed at a surface of the Si layer; and an electret formed at the SiO.sub.2 layer near an...
2018/0041138 INVERTER CIRCUIT AND POWER CONVERSION DEVICE
An inverter circuit provided in a power conversion device includes a full-bridge inverter, and a short circuit part. The short circuit part includes switching...
2018/0041137 REFRIGERATION CYCLE APPARATUS
A refrigeration cycle apparatus includes: a refrigerant circuit, a use side heat exchanger, a pressure reducing device, and a heat source side heat exchanger;...
2018/0041136 Power Semiconductor Module and Electric Power Conversion Device
An object of the present invention is to achieve both low height and miniaturization of a double side cooling type electric power conversion device. A power...
2018/0041135 POWER CONVERSION DEVICE
A multilevel converter includes a first arm connected between a positive voltage terminal and an alternating-current terminal and a second arm connected...
2018/0041134 APPARATUS FOR CONVERTING AN ELECTRICAL POWER OF AN ELECTROMAGNETIC WAVE INTO A DC ELECTRICAL VOLTAGE SIGNAL
According to one embodiment, an apparatus for converting the electrical power of an electromagnetic wave into a DC electrical voltage signal is disclosed, the...
2018/0041133 INTEGRATED MAGNETIC APPARATUS AND DC-DC CONVERTER INCLUDING THE SAME
A single direct current (DC)-DC converter may include a switching part switching an input DC voltage; first and second transforming parts transforming an...
2018/0041132 SYSTEMS AND METHODS FOR REDUCING SWITCHING LOSS IN POWER CONVERSION SYSTEMS
Power converter and method thereof according to certain embodiments. For example, the power converter includes a primary winding, and a secondary winding...
2018/0041131 CURRENT RESONANT POWER SUPPLY DEVICE
A first switch and a second switch connected in series to both terminals of a DC power source. A signal generation circuit generates a feedback signal based on...
2018/0041130 LOAD DEPENDENT IN-RUSH CURRENT CONTROL WITH FAULT DETECTION ACROSS ISO-BARRIER
Methods and systems for providing electrical power using an isolated DC-DC converter, including the actions of: a) providing current to a primary side of a...
2018/0041129 CURRENT RESONANT POWER SUPPLY DEVICE
A burst oscillation circuit operates switches in a burst oscillation mode based on a feedback signal. A first burst operation cancellation threshold voltage...
2018/0041128 ELECTRICAL CIRCUIT FOR ISOLATED VOLTAGE CONVERSION
A system includes a boost circuit, a capacitive circuit, and a converter circuit. The boost circuit receives a DC signal at a first DC voltage and generates an...
2018/0041127 GATE DRIVE SYSTEMS AND METHODS USING WIDE BANDGAP DEVICES
Unique systems, methods, techniques and apparatuses of a gate drive system are disclosed. One exemplary embodiment is a drive circuit electrically coupled to a...
2018/0041126 CONTROL CIRCUIT FOR BUCK-BOOST POWER CONVERTER WITH STABLE BOOTSTRAP VOLTAGE REFRESH
A buck-boost power converter and a control circuit for the buck-boost converter. The buck-boost power converter includes a first power switch and a second...
2018/0041125 REDUCING SWITCHING LOSSES IN POWER CONVERTERS
A switching power converter converts power from an input source for delivery to a load at the converter output. The converter comprises at least two switches...
2018/0041124 VOLTAGE CONVERSION CIRCUIT
The present disclosure discloses a voltage conversion circuit, including: a first power transistor; a second power transistor, where the second power...
2018/0041123 Switching Control Circuit, Switching Power Supply Device and Electronic Apparatus
A switching control circuit includes: a feedback control part that turns on/off an output switch element so that an output voltage of a switching output...
2018/0041122 INSULATION DETECTING CIRCUIT, POWER CONVERTING DEVICE AND INSULATION IMPEDANCE VALUE DETECTING METHOD
An insulation detecting circuit includes a first switching unit, a second switching unit, a detecting resistor, a processing unit, and a voltage detecting...
2018/0041121 VOLTAGE REGULATOR
One example discloses a voltage regulator, including: a power supply input; a regulated voltage output; an output transistor coupled to the power supply input...
2018/0041120 HIGH STEP DOWN DC/DC CONVERTER
According to one aspect, embodiments herein provide a DC-DC converter system comprising a plurality of switches configured to receive input DC power having a...
2018/0041119 CONTROL CIRCUIT, CONTROL METHOD AND POWER CONVERTER THEREOF
A control circuit for a power converter can include: a current detection circuit configured to generate a current detection signal that represents an input...
2018/0041118 PSEUDO CURRENT TRACKING FOR POWER SUPPLY REGULATION
A power supply circuit includes a regulation circuit that receives an input voltage and provides a regulated output voltage based on the input voltage. The...
2018/0041117 CONTROL CIRCUIT AND CONTROL METHOD FOR MULTI-OUTPUT DC-DC CONVERTER
A multi-output DC-DC converter with constant on time control. The multi-output DC-DC converter has N clock signals, and N switching circuits converting an...
2018/0041116 Quasi-Resonant Power Converter with Reduced Dynamic Switching Losses
A power converter includes a current-monitoring on-state controller that is configured to adjust the timing of a switch-mode voltage conversion stage of the...
2018/0041115 MODULATED POWER SUPPLY
Devices and methods are provided related to modulated power supplies. The device includes an inductor. When a load is to be supplied with power, a terminal of...
2018/0041114 ELECTRICAL CIRCUIT FOR VOLTAGE INVERSION
A boost circuit receives a DC signal at a first voltage, a duty clock, a reference at a second voltage, and a second intermediate signal at a fourth voltage;...
2018/0041113 SWITCHING POWER SUPPLY WITH CONTROLLED BRANCHES
The invention relates to a switching power supply comprising: an input (16) for an input current (I.sub.PRI) at an input voltage (V.sub.PRI). a controlled...
2018/0041112 POWER SUPPLY DEVICE WITH EXCESS CURRENT PROTECTION
A first excess current protector directs a controller to limit an output current of a regulator when a current value detected by a current detector exceeds a...
2018/0041111 Circuit and Method for Overcurrent Control and Power Supply System Including the Same
The present disclosure relates to a circuit and a method for overcurrent control and a power supply system including the same. When the system operates...
2018/0041110 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...
2018/0041109 Control Method and Device for Circuit with a Bridge Arm of a Switch
The present invention discloses a control method and device for a circuit with a bridge arm of a switch. The soft switching converter comprises at least two...
2018/0041108 POWER CONVERTER
An electric power converter is provided, at low costs and in high efficiency, which also enables voltage conversion to be capable of dealing with sharp load...
2018/0041107 SEMICONDUCTOR DEVICE HAVING SWITCHING ELEMENT SUPPRESSING POTENTIAL VARIATION
The semiconductor device is provided with a plurality of switching elements connected in parallel to each other, and a plurality of recirculation element...
2018/0041106 VOLTAGE CONVERSION DEVICE
A voltage conversion device includes a first conversion circuit, a second conversion circuit, a voltage detection circuit, and a CPU (failure detector). The...
2018/0041105 Cooling Device For A High Pole-Count Rotor
The present disclosure relates to cooling devices. The teachings thereof may be embodied in devices for cooling a rotor, which rotates about an axis, wherein...
2018/0041104 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...
2018/0041103 SQUIRREL-CAGE ROTOR, ELECTRIC MOTOR AND WASHING MACHINE
A squirrel-cage rotor, an electric motor and a washing machine are provided. The squirrel-cage rotor includes a rotor core, a squirrel-cage guide bar and a...
2018/0041102 METHOD FOR MANUFACTURING ROTORS
A method includes steps of: preparing first and second plates, each first plate having surrounding apertures, each aperture including a first accommodation...
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