Electric power conversion systems patents - Monitor Patents
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Electric power conversion systems October categorized by USPTO classification 10/10

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
10/28/2010 > patent applications in patent subcategories.

20100271848 - Circuit configuration for operating a household appliance: A circuit for operating a household appliance, having a switching power supply for transforming a grid voltage of a supply grid to a direct current supply voltage, a controller for controlling processes of the household appliance that can be coupled to the switching power supply and supplied by the DC... Agent: Bsh Home Appliances Corporation Intellectual Property Department

20100271849 - Flyback constant voltage converter having both a pwfm mode and a pwm mode: A flyback AC/DC switching converter has a constant voltage (CV) mode. The CV mode has sub-modes. In one sub-mode (“mid output power sub-mode”), the output voltage (VOUT) of the converter is regulated using both pulse width modulation and pulse frequency modulation. Both types of modulation are used simultaneously. In a... Agent: Imperium Patent Works

20100271850 - Power transistor chip with built-in enhancement mode metal oxide semiconductor field effect transistor and application circuit thereof: A power transistor chip with built-in enhancement mode metal oxide semiconductor field effect transistor and application circuit thereof provides an enhancement mode metal oxide semiconductor field effect transistor in association with two series connected resistors to act as a start-up circuit for the AC/DC voltage converter. The start-up circuit can... Agent: G. Link Co., Ltd.

20100271851 - Self-bootstrapping field effect diode structures and methods: A two terminal device which can be used for the rectification of the current. Internally it has a regenerative coupling between MOS gates of opposite type and probe regions. This regenerative coupling allows to achieve performance better than that of ideal diode.... Agent: Groover & Associates

20100271852 - Power conversion circuit: A power conversion circuit converting DC electric power into AC electric power and sending the AC power to an inductive load, includes a first switching device connected to the positive pole side of the DC power supply to exhibit a conductive state and an interrupted state of a current; a... Agent: Kanesaka Berner And Partners LLP

20100271853 - Controller of power converter: A controller of a power converter including an inverter that includes plural semiconductor switching elements. The controller suppresses an error between a voltage command and an inverter output voltage and responds to a voltage command at a high speed. The controller includes a voltage command generator that generates a voltage... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

10/21/2010 > patent applications in patent subcategories.

20100265740 - Improved self powered supply for power converter switch driver: Self-powered supplies with on-board diagnostics are presented for powering a power converter switch driver with power obtained from an associated snubber circuit, including a first converter stage with a full bridge rectifier with a crowbar circuit creating a first DC bus and a second stage with an isolated DC to... Agent: Rockwell Automation, Inc./fay

20100265741 - Power factor correcting converter: A power factor correcting converter includes a DC-DC converter to convert a DC voltage, which is formed by rectifying an AC voltage of an AC power source through a rectifier, into a DC voltage of the DC-DC converter and a step-up converter to step up the DC voltage of the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100265742 - Switching regulator with frequency limitation and method thereof: The present invention provides a switching regulator with frequency limitation and method thereof. The switching frequency of the switching regulator is limited through setting of a minimum off time, so as to improve the efficiency and EMI distribution of the switching regulator.... Agent: Perkins Coie LLP Patent-sea

20100265743 - Contact-input arrangement for power system devices: A contact-input circuit for a power system device is described for processing a higher voltage signal from power system equipment or another power system device for use by a lower voltage circuit. The contact-input circuit generally includes a voltage threshold detection device adapted to allow current to flow therefrom when... Agent: Schweitzer Engineering Laboratories, Inc. Richard Edge

20100265744 - Power semiconductor module: A power semiconductor module includes at least two power semiconductor units that are interconnected and that have controllable semiconductors. Each semiconductor unit is associated with a cooling plate to which the semiconductors are connected in a heat-conducting manner. The object is to provide a semiconductor module that is compact and... Agent: Lerner Greenberg Stemer LLP

20100265745 - Parameter configuration method for elements of power factor correction function converter: The present invention discloses a parameter configuration method for elements of a PFC function converter. The converter has a PFC circuit modulating an input power into a DC modulated power and a transformer transforming the DC modulated power into an output power. The method of the present invention comprises a... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20100265746 - Drive circuit of semiconductor device: The invention provides a switching circuit of a power semiconductor device having connected in parallel SiC diodes with a small recovery current, capable of significantly reducing turn-on loss and recovery loss without increasing the noise in the MHz band, and contributing to reducing the loss and noise of inverters. The... Agent: Antonelli, Terry, Stout & Kraus, LLP

20100265747 - Single stage inverter device, and related controlling method, for converters of power from energy sources, in particular photovoltaic sources: The present invention concerns a single stage inverter device for power converters, comprising switching means (M1-M4) capable to periodically connect an energy source, in particular a photovoltaic one, to an electric network or grid, the switching means (M1-M4) being controlled by controlling electronic means operating according to a single switching... Agent: Roberts Mlotkowski Safran & Cole, P.C. Intellectual Property Department

- None available for 10/01/2010

- None available for 10/7/2010

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