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Patent # Description
US-1,001,4804 Motor starting methods and apparatus using output voltage control based on source voltage
Methods of starting a motor include coupling the motor to an AC power source via a switching circuit of a motor starter, detecting an output voltage produced by...
US-1,001,4803 Active cooling for a concentrated photovoltaic cell
A wasted heat harvesting device for harvesting electricity including a switching device configured to convey a magnetic field from a first region to at least a...
US-1,001,4802 Systems and methods of harvesting energy in a wellbore
A downhole assembly including a turbine to be disposed within a wellbore and a rotating array. The rotating array includes magnetic material and is coupled to...
US-1,001,4801 Piezoelectric power generation module and remote controller
A rectifier circuit rectifies power generation voltage of a piezoelectric element to generate DC voltage and supplies the power generation voltage to a load....
US-1,001,4800 Electricity generator
An electricity generator including a first converter suitable for converting a variation of an energy to be harvested into a corresponding excess of electrical...
US-1,001,4799 Triboelectric generator
Example embodiments relate to triboelectric generators that include a first electrode and a triboelectric material layer facing first electrode, and a...
US-1,001,4798 Driver and output circuit for powering semiconductor loads
A power converter provides a low-voltage output using a full-bridge fault-tolerant rectification circuit. The output circuit uses controlled switches as...
US-1,001,4797 AC/DC converter with inrush current limitation
An AC/DC converter includes: a first terminal and a second terminal for receiving an AC voltage and a third terminal and a fourth terminal for supplying a DC...
US-1,001,4796 Power transformer
A transformer system includes: a main transformer including a primary winding coupled to AC mains and a secondary winding; a load circuit including a load...
US-1,001,4795 Power converter
A power converter in which a plurality of semiconductor switches are connected to a plurality of drive circuits configured to control states of the...
US-1,001,4794 Power inverter assembly for a vehicle
An electronic device for an electric powertrain of a vehicle is disclosed. The device includes a power module assembly having a housing that defines a first...
US-1,001,4793 Power conversion unit, power converter, and power conversion method
An imbalance of control signals between two power semiconductor elements is reduced. A first power semiconductor module and a second power semiconductor module...
US-1,001,4792 Multi-phase electric drive and power unit thereof for use with a multi-phase AC load
It is provided a multi-phase electric drive for use with a multi-phase AC load and the power unit thereof. The multi-phase electric drive includes a multi-phase...
US-1,001,4791 Distribution transformer
Among other things, a distribution transformer and a technique for regulating voltage are provided for herein. The distribution transformer comprises at least...
US-1,001,4790 Dual function solid state converter
A dual function solid state power converter operable from a three phase AC input current simultaneously provides; an AC or DC output current on an aircraft...
US-1,001,4789 Resonant converter and driving method thereof
A resonant converter includes a first switch on a primary side and a second switch coupled to the first switch, a first synchronous rectification switch on a...
US-1,001,4788 Method of control for synchronous rectifiers
The present application relates to the field of switching power supplies and in particular to switching power supplies in which a primary side is isolated from...
US-1,001,4787 Switching power supply with input voltage detection at the switching node
A control IC includes a VS voltage detection circuit that indirectly detects input voltage, by utilizing a fact that a voltage of a VS terminal of a reference...
US-1,001,4786 Flyback power converter and synchronous rectification (SR) switch control circuit and power switch control...
A flyback power converter includes a transformer, a power switch, a power switch control circuit, a synchronous rectification (SR) switch, an SR switch control...
US-1,001,4785 Insulation type switching power source apparatus
A power source apparatus comprises: a transformer that insulates a primary system and a secondary system and uses primary/secondary windings to transform an...
US-1,001,4784 Dual primary and secondary regulating method and converter utilizing the same
A method for modulating a voltage through a primary side regulating circuit and a secondary side regulating circuit, the method includes: providing a first...
US-1,001,4783 Switching regulator with PFC function and control circuit and control method thereof
The present invention provides a switching regulator with PFC function and a control circuit and a control method thereof. The switching regulator with PFC...
US-1,001,4782 DC/DC conversion apparatus
A DC/DC conversion apparatus includes a DC voltage source, an oscillation circuit being electrically connected to the DC voltage source, a plurality of switch...
US-1,001,4781 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...
US-1,001,4780 Multiphase switching converter
A multiphase switching converter with a plurality of phase circuits coupled with a common output node is presented. Each phase circuit has a drive signal...
US-1,001,4779 Power supply device
A power supply device includes a power supply module, a voltage regulator module and an over-voltage protection (OVP) module. The power supply module is...
US-1,001,4778 SIBO buck-boost converter and control method thereof
Provided is a control method for controlling a SIBO buck-boost converter including a first switch coupled between an input and a first node, a second switch...
US-1,001,4777 Buck-boost DC-DC converter
Disclosed examples include inverting buck-boost DC-DC converter circuits with a switching circuit to alternate between first and second buck mode phases for...
US-1,001,4776 Power conversion device and method for diagnosing abnormality in voltage sensor characteristics
A power conversion device provided with a DC power source, a voltage boost converter, an inverter, a primary smoothing capacitor, a secondary smoothing...
US-1,001,4775 Methods and apparatus for full gate drive of multilevel DC-DC converter with full duty cycle operation
Methods and apparatus for bootstrap capacitor sharing in multilevel DC-DC converters are disclosed. In one example, a bootstrap capacitor voltage of the...
US-1,001,4774 Power supply with low to high power transition mode
One example includes a switching power supply. The switching power supply includes a power stage, a feedback loop, and a simulated feedback error generator. The...
US-1,001,4773 Hybrid active power link module device and associated systems and methods
A hybrid active power link device includes a plurality of active power link modules (APLMs). Each APLM of the plurality of APLMs includes a plurality of...
US-1,001,4772 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...
US-1,001,4771 Switching shunt regulator circuits
A switching shunt regulator circuit includes a current source having an input for receiving an input voltage and an output for providing a DC current, and a...
US-1,001,4770 Power supply device, control circuit for power supply device, and control method for power supply device
A power supply device coupled to a load includes a first switch that switches a current input from an input terminal, a second switch that switches between a...
US-1,001,4769 Charge pump circuit
A bipolar output charge pump circuit having a network of switching paths for selectively connecting an input node and a reference node for connection to an...
US-1,001,4768 Charge pump voltage regulator
A charge pump voltage regulator is provided. The charge pump voltage regulator includes a charge pump circuit, where an output terminal of the charge pump...
US-1,001,4767 Bi-directional multi-mode charge pump
Some embodiments include apparatus and methods using a charge pump coupled to a first supply power node and a second supply power node. The charge pump is...
US-1,001,4766 Mains power converter, a controller therefor, and methods of operating the same
A power converter, configured to convert AC mains power to a DC output voltage which is lower than the AC mains' peak voltage, is disclosed. It comprises: a...
US-1,001,4765 Single stage power factor correction converter
A single-stage power factor correction power supply has two transformers: a main transformer and an auxiliary transformer (fly-back transformer). The main...
US-1,001,4764 Method for controlling inverter
Disclosed herein is a method for controlling an inverter. The method includes calculating a maximum current from an output current of each phase of the...
US-1,001,4763 Protection circuit for semiconductor switching element, and power conversion device
Upon turn-off of IGBT, by suppressing variations in collector-emitter voltage between IGBTs connected in series, risk of breaking IGBT due to overvoltage...
US-1,001,4762 Protection circuit
The invention provides a protection circuit applied in an inductive boost converter, the inductive boost converter includes a transmission circuit and a...
US-1,001,4761 Control method and device for I-type three-level circuit
Control method and device for I-type three-level circuit are disclosed, which can realize zero-voltage turn on of switching tube of high-frequency bridge arm,...
US-1,001,4760 Soft-start switch circuit
One example includes a switch circuit. The switch circuit includes a transistor configured to activate in response to an activation voltage at an activation...
US-1,001,4759 EcoCharge power plant
The earth's magnetic field has not been mined as a source of energy. With average field strength of 0.5.times.10.sup.-4 Tesla around the world it is easy to...
US-1,001,4758 Method of assembling integrated drive generator housing and bearing
A method of assembling an integrated drive generator includes the steps of providing a bore in a center housing portion, pressing a bearing liner into the bore,...
US-1,001,4757 Polymer-based layer structure with an oleophobic/hydrophobic surface, and electric machine comprising such a...
A polymer-based layer structure with an oleophobic/hydrophobic surface for coating, sealing, and/or connecting technical components or parts of said components,...
US-1,001,4756 Method for manufacturing interphase insulating sheet of rotating electric machine, and electric compressor
An overlapping portion of an insulating portion formed in an annular shape is held between a workbench having a linear projection and an ultrasonic horn having...
US-1,001,4754 Rotary device
A rotary device having a brush that includes a slide-contact portion, a fixing section, and a conductive bonding material. The conductive bonding material bonds...
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