Electric power conversion systems patents - Monitor Patents
FreshPatents.com Logo    FreshPatents.com icons
Monitor Keywords Patent Organizer File a Provisional Patent Browse Inventors Browse Industry Browse Agents



USPTO Class 363  |  Browse by Industry: Previous - Next | All     monitor keywords
08/2009 | Recent  |  14:  | Sep | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | 13: Dec | Nov | Oct | Sep | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | 12: Dec | Nov | Oct | Sep | Aug | July | June | May | April | Mar | Feb | Jan | 11: Dec | Nov | Oct | Sep | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan | 10: Dec | Nov | Oct | Sep | Aug | Jul | Jun | May | Apr | Mar | Feb | Jan |  | 09: Dec | Nov | Oct | Sep | Aug | Jl | Jn | May | Apr | Mar | Fb | Jn |  | 2008 | 2007 |

Electric power conversion systems August inventions list 08/09

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.
  
08/27/2009 > patent applications in patent subcategories. inventions list

20090213622 - Powering unit with full bridge and wide adjusting range circuit: There is described a powering unit comprising at least one transformer, at least one full bridge circuit via which a primary winding of the transformer is connected to a direct current voltage input, a secondary winding for triggering an output circuit with an output direct current voltage via a bridge-type... Agent: Siemens Corporation Intellectual Property Department

20090213624 - Audio apparatus, switching power supply, and switching control method: When power is turned on and in a state in which a power supply voltage is not supplied from the switching power supply to the second clock generating section, the first clock generating section generates a first clock signal with a frequency that is preset in the first clock generating... Agent: Mark D. Saralino (general) Renner, Otto, Boisselle & Sklar, LLP

20090213623 - Method and apparatus of providing synchronous regulation circuit for offline power converter: A synchronous regulation circuit is provided. A secondary-side switching circuit is coupled to the output of the power converter to generate a synchronous signal and a pulse signal in response to an oscillation signal and a feedback signal. An isolation device transfers the synchronous signal from the secondary side to... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090213625 - High voltage generation systems and methods: Systems and methods presented herein generally provide for the controlled voltage of bipolar electrical energy through the selected operation of power stages. In one embodiment, a system that provides electrical energy includes a power supply and at least two power stages coupled to the power supply. The power stages are... Agent: Duft Bornsen & Fishman, LLP

20090213627 - Power supply system with adaptive blown fuse detection using negative sequence component: Existing measurements of an input component (such as voltage or current) in a three phase power supply system are decomposed into a negative sequence component. The negative sequence component, which is significantly higher when a rectifier fuse is blown, is compared to a threshold and a determination made that a... Agent: Harness, Dickey & Pierce, P.L.C

20090213626 - Switching controller capable of reducing acoustic noise for power converters: The present invention provides a switching controller capable of reducing acoustic noise of a transformer for a power converter. The switching controller includes a switching circuit, a comparison circuit, an activation circuit, and an acoustic-noise eliminating circuit. The acoustic-noise eliminating circuit comprises a first-check circuit, a second-check circuit, a pulse-shrinking... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090213628 - Offline synchronous rectifying circuit with current transformer for soft switching power converters: A synchronous rectifying circuit of soft switching power converter is provided to improve the efficiency. The integrated synchronous rectifier includes a power transistor connected from a transformer to the output of the power converter for rectifying. A controller having a latch circuit generates a drive signal to control the power... Agent: Dr. Banger Shia

20090213629 - Powering circuit of ac-dc converter: A powering circuit of an AC-DC converter, for converting a high AC input voltage into a low DC output voltage to provide a load voltage in a stable DC bias range, includes a rectifier, a sensing circuit, a control switching circuit, and a voltage regulating capacitor. The rectifier has a... Agent: Rabin & Berdo, Pc

20090213630 - Current-transformed power source connecting circuit device: A current-transformed power source connecting circuit device comprises a power source plug-in, in connection with an external power source; a current transformer, having a primary and a secondary windings, the primary winding of which is connected in series to a current path of the power source plug-in for detection of... Agent: Bucknam And Archer

20090213631 - Step-down switching regulator: A step-down switching regulator prevents an output voltage undershoot and enables a quick lowering of an output voltage immediately after turning off of power supply. The step-down switching regulator includes an NMOS transistor connected between an output terminal and a ground voltage and another NMOS transistor connected in parallel with... Agent: Cooper & Dunham, LLP

  
08/20/2009 > patent applications in patent subcategories. inventions list

20090207634 - Switching power supply circuit: An exemplary switching power supply circuit includes a transformer, a switching control circuit, a DC-DC converter, and a signal selecting circuit. The transformer converts a DC voltage into a first DC voltage and a second DC voltage. The switching control circuit controls a current flowing on the transformer for generating... Agent: Wei Te Chung Foxconn International, Inc.

20090207635 - Standby operation of a resonant power convertor: A control method is proposed that enables to drive a resonant (LLC) power converter at low loads with substantially reduced power losses for realizing a stand-by power. The reduction is achieved by a sub-critical operation several times below Resonance Frequency while still keeping zero voltage switching. One half-bridge switch (s1)... Agent: Philips Intellectual Property & Standards

20090207636 - Constant current and voltage controller in a small package with dual-use pin: A comparing circuit and a control loop are used to maintain the peak level of current flowing through an inductor of a flyback converter. An inductor switch control signal controls an inductor switch through which the inductor current flows. The inductor current increases at a ramp-up rate during a ramp... Agent: Imperium Patent Works

20090207637 - Generating drive signals for a synchronous rectification switch of a flyback converter: In order to further develop a circuit arrangement (100) as well as a method for generating at least one drive signal for at least one synchronous rectification switch of at least one flyback converter in such way that an improved and simpler thermal management can be combined with a significant... Agent: Philips Intellectual Property & Standards

20090207638 - Gadgets generators: This invention boost the original power source to help or cut down the usage of public Power sources.... Agent: James Garrett Sams

20090207639 - Three-level power converting apparatus: Each phase of a three-level power converting apparatus is configured by a single unit, and four switching devices (1u-4u) and two diodes (9u, 10u) provided in each unit are arranged along a flow direction of cooling air on a heat sink (15) of a cooling device with long sides of... Agent: Buchanan, Ingersoll & Rooney PC

20090207640 - Semiconductor device: The object of the present invention is to reduce parasitic inductance of a main circuit in a power supply circuit. The present invention provides a non-insulated DC-DC converter having a circuit in which a power MOS*FET for a high-side switch and a power MOS*FET for a low-side switch are connected... Agent: Antonelli, Terry, Stout & Kraus, LLP

  
08/13/2009 > patent applications in patent subcategories. inventions list

20090201700 - Dc conversion apparatus: A DC conversion apparatus comprises a first transformer, a second transformer, a parallel circuit having series circuits connected in parallel, one of the series circuits including a reactor and a primary winding of the first transformer, the other series circuit including a reactor and a primary winding of the second... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090201701 - Compensation for parameter variations in a feedback circuit: Techniques to compensate for parameter variations in a feedback circuit are disclosed. In one embodiment, a regulator circuit includes an energy source coupled to output a generated current in response to a control current. A feedback resistor is coupled to an output of the regulator circuit. The feedback resistor is... Agent: Blakely Sokoloff Taylor & Zafman LLP

20090201702 - Converter station: A converter station for connecting an AC system to a bipolar HVDC transmission line. A DC neutral arrangement includes first DC breakers enabling breaking of a first current path from the neutral bus of one pole to the neutral bus of the other pole at bipolar operation of the station... Agent: Venable LLP

20090201703 - Systems and methods for uninterruptible power supply control: Systems and methods are provided for distributing power to a load by controlling an uninterruptible power supply that has an inverter and a filter, where the filter has an inductor and a capacitor. The systems and methods apply a pulse width modulation control signal to the inverter, sample inverter inductor... Agent: Lando & Anastasi, LLP

20090201704 - Constant voltage welder capacitor ripple current reduction method and system: A power circuit, in certain embodiments, includes an inductor to limit current through a capacitor, wherein the capacitor is configured to smooth ripple for a constant voltage welding system. More specifically, the power circuit may include a rectifier configured to convert AC power to DC power. The rectifier may be... Agent: Fletcher Yoder (illinois Tool Works Inc.)

20090201705 - Energy converting apparatus, and semiconductor device and switching control method used therein: The present invention reliably reduces output power during an overload, due to overload protection in which an on-time of a switching element 1 is reduced or the peak value of a switching current is lowered by reducing the minimum value of the on-period of the switching element 1.... Agent: Steptoe & Johnson LLP

20090201706 - Apparatus for feeding electrical energy into a power grid and dc voltage converter for such an apparatus: The apparatus for feeding electrical energy into a power grid (8) with a DC voltage converter (2) intended for connection to a DC voltage generator (1) and with an inverter (3) connected thereto and intended for connection to a power grid (8), wherein the inverter contains a bipolar voltage intermediate... Agent: Pyle & Piontek, LLC

20090201707 - Power supply: A power supply is provided. The power supply comprises: a power input unit switching an input power; a transformer unit inducing an output power of the power input unit to a secondary side; a first power output unit connected to a first coil of the secondary side of the transformer... Agent: Saliwanchik Lloyd & Saliwanchik A Professional Association

20090201708 - Semiconductor module: A semiconductor module has switching semiconductor elements connected in parallel to each other and at least a free wheeling semiconductor element reversely connected in parallel to the switching semiconductor elements. The free wheeling semiconductor element is placed between the switching semiconductor elements. At both end parts of the semiconductor elements,... Agent: Nixon & Vanderhye, PC

  
08/13/2009 > patent applications in patent subcategories. inventions list

20090201700 - Dc conversion apparatus: A DC conversion apparatus comprises a first transformer, a second transformer, a parallel circuit having series circuits connected in parallel, one of the series circuits including a reactor and a primary winding of the first transformer, the other series circuit including a reactor and a primary winding of the second... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090201701 - Compensation for parameter variations in a feedback circuit: Techniques to compensate for parameter variations in a feedback circuit are disclosed. In one embodiment, a regulator circuit includes an energy source coupled to output a generated current in response to a control current. A feedback resistor is coupled to an output of the regulator circuit. The feedback resistor is... Agent: Blakely Sokoloff Taylor & Zafman LLP

20090201702 - Converter station: A converter station for connecting an AC system to a bipolar HVDC transmission line. A DC neutral arrangement includes first DC breakers enabling breaking of a first current path from the neutral bus of one pole to the neutral bus of the other pole at bipolar operation of the station... Agent: Venable LLP

20090201703 - Systems and methods for uninterruptible power supply control: Systems and methods are provided for distributing power to a load by controlling an uninterruptible power supply that has an inverter and a filter, where the filter has an inductor and a capacitor. The systems and methods apply a pulse width modulation control signal to the inverter, sample inverter inductor... Agent: Lando & Anastasi, LLP

20090201704 - Constant voltage welder capacitor ripple current reduction method and system: A power circuit, in certain embodiments, includes an inductor to limit current through a capacitor, wherein the capacitor is configured to smooth ripple for a constant voltage welding system. More specifically, the power circuit may include a rectifier configured to convert AC power to DC power. The rectifier may be... Agent: Fletcher Yoder (illinois Tool Works Inc.)

20090201705 - Energy converting apparatus, and semiconductor device and switching control method used therein: The present invention reliably reduces output power during an overload, due to overload protection in which an on-time of a switching element 1 is reduced or the peak value of a switching current is lowered by reducing the minimum value of the on-period of the switching element 1.... Agent: Steptoe & Johnson LLP

20090201706 - Apparatus for feeding electrical energy into a power grid and dc voltage converter for such an apparatus: The apparatus for feeding electrical energy into a power grid (8) with a DC voltage converter (2) intended for connection to a DC voltage generator (1) and with an inverter (3) connected thereto and intended for connection to a power grid (8), wherein the inverter contains a bipolar voltage intermediate... Agent: Pyle & Piontek, LLC

20090201707 - Power supply: A power supply is provided. The power supply comprises: a power input unit switching an input power; a transformer unit inducing an output power of the power input unit to a secondary side; a first power output unit connected to a first coil of the secondary side of the transformer... Agent: Saliwanchik Lloyd & Saliwanchik A Professional Association

20090201708 - Semiconductor module: A semiconductor module has switching semiconductor elements connected in parallel to each other and at least a free wheeling semiconductor element reversely connected in parallel to the switching semiconductor elements. The free wheeling semiconductor element is placed between the switching semiconductor elements. At both end parts of the semiconductor elements,... Agent: Nixon & Vanderhye, PC

  
08/06/2009 > patent applications in patent subcategories. inventions list

20090196072 - Phase-shifted dual-bridge dc/dc converter with wide-range zvs and zero circulating current: Disclosed is a family of new DC/DC converters and a new control method. The converter comprises two bridge inverters, two full-wave rectification circuits and a current-doubler filter. Each inverter is able to generate a symmetrical and isolated AC output voltage. Phase-shift control is employed to control the phase difference between... Agent: Zhong Ye

20090196073 - Switching power supply unit: A switching power supply unit capable of simplifying its structure by reducing the number of parts for wiring is provided. A rectifier circuit has a diode inserted between a first secondary winding and a second secondary winding to form a series circuit therewith, and a diode inserted between a third... Agent: Oliff & Berridge, PLC

20090196074 - Resonant converter: A resonant converter includes a square wave generator including a first switch and a second switch, and generating a first square wave corresponding to an input voltage by alternately turning on/off the first and second switches; a resonator including a first coil of a primary coil of a transformer, and... Agent: Sidley Austin LLP

20090196075 - Fly-forward converter power supply: A fly-forward converter topology for a switched-mode power supply (SMPS) that may incorporate the advantages of both a forward converter and a flyback converter into a two-stage half-wave converter is provided. The fly-forward converter may be considered as a half-wave forward converter that has been modified with the addition of... Agent: Patterson & Sheridan, LLP/cisc

20090196076 - Integrated base driver and switching windings for an esbt power driver: A power supply circuit includes: a switching flyback transformer having a primary winding and a secondary winding; a current transformer having a primary winding and a secondary winding; and a switching transistor have a conduction path and a control terminal. The primary winding of the switching flyback transformer, the primary... Agent: Stmicroelectronics, Inc.

20090196077 - Energy management system and control method using the same: The present disclosure relates to an energy management system (EMS) and a method using the same, wherein the EMS comprises, a communication module receiving a channel information of a high voltage direct current (HVDC) system via a network; a circuit realization unit obtaining a connection information among constituent elements symbolizing... Agent: Lee, Hong, Degerman, Kang & Waimey

20090196078 - Static converter: A static converter includes a current converter on the three-phase side and a current converter on the single-phase side, which are electrically conductively linked to one another on the DC voltage side, and which are respectively electrically conductively connected on the AC voltage side to a feeding three-phase network and... Agent: Harness, Dickey & Pierce, P.L.C

20090196079 - Self-adjusting bleeder for a forward converter: A switched mode power supply (SMPS) may be operated with uncoupled output inductors. Overvoltage produced by “low-load” conditions may be controlled through use of an adaptive regulating bleeder. The bleeder may comprise a shunt regulator and a power dissipation resistor connected in parallel with a load of the SMPS. As... Agent: Honeywell International Inc. Patent Services

20090196080 - Controller for use in a resonant direct current/direct current converter: A controller is adapted for controlling a switch of a resonant direct current/direct current converter, and includes: a pulse width modulation controlling unit for detecting an output voltage of the resonant direct current/direct current converter, and for generating a pulse width modulation signal according to the output voltage detected thereby;... Agent: Rosenberg, Klein & Lee

20090196081 - System and method for providing switching to power regulators: System and method for providing switching to power regulators. According to an embodiment, the present invention provides system for providing switching. The system includes a first voltage supply that is configured to provide a first voltage. The system also includes a second voltage supply that is configured to provide a... Agent: Jones Day

20090196082 - Multiphase converter apparatus and method: An ac/ac converter for accepting a pulsating dc input with encoded sinusoidal modulation and providing a multiphase modulated output. The converter comprises a bridge including a plurality of switches having switch legs for modulating the pulsating dc input at a carrier frequency over a plurality of phases. The bridge is... Agent: Greer, Burns & Crain

Previous industry: Illumination
Next industry: Static information storage and retrieval


######

RSS FEED for 20141113: xml
Integrate FreshPatents.com into your RSS reader/aggregator or website to track weekly updates.
For more info, read this article.

######

Thank you for viewing Electric power conversion systems patents on the FreshPatents.com website. These are patent applications which have been filed in the United States. There are a variety ways to browse Electric power conversion systems patent applications on our website including browsing by date, agent, inventor, and industry. If you are interested in receiving occasional emails regarding Electric power conversion systems patents we recommend signing up for free keyword monitoring by email.



Results in 0.32769 seconds

PATENT INFO