Ac/ac converters

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  • CPC
  • H02K47/18
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electromagnetic machinery systems, device, assemblies, methods, pro...

    • Patent number 10,454,357
    • Issue date Oct 22, 2019
    • Harivallabh Pandya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Magnetic field configuration for a wireless energy transfer system

    • Patent number 10,389,177
    • Issue date Aug 20, 2019
    • Elix Wireless Charging Systems Inc.
    • Boon Ng
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electromagnetic machinery systems, device, assemblies, methods, pro...

    • Patent number 10,084,365
    • Issue date Sep 25, 2018
    • Harivallabh Pandya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Connecting system for connection of an electric machine to a converter

    • Patent number 9,438,094
    • Issue date Sep 6, 2016
    • Alstom Technology Ltd
    • Not-Curdin Fried
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Constant-power brushless DC motor and the generator thereby

    • Patent number 7,884,580
    • Issue date Feb 8, 2011
    • Oak-Jae Lee
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Synchronous compensator plant

    • Patent number 6,873,080
    • Issue date Mar 29, 2005
    • ABB AB
    • Mats Leijon
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Magnetic circuits in the rotation system for generating both the me...

    • Patent number 6,359,358
    • Issue date Mar 19, 2002
    • Youn Soo Bae
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Intra-grid power director

    • Patent number 5,982,650
    • Issue date Nov 9, 1999
    • John W. Luce
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotating field transformer

    • Patent number 5,754,420
    • Issue date May 19, 1998
    • John W. Luce
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Asynchronous intergrid transfer apparatus

    • Patent number 5,608,615
    • Issue date Mar 4, 1997
    • John W. Luce
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotary converter machine for direct transfer of electric energy by...

    • Patent number 4,517,471
    • Issue date May 14, 1985
    • Anton Piller GmbH & Co. KG
    • Klaus Sachs
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Heteropolar machine for demodulating polyphase voltages interfering...

    • Patent number 4,298,842
    • Issue date Nov 3, 1981
    • Gerard O'Mahony
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Demodulator of polyphase voltages interfering among themselves

    • Patent number 4,266,153
    • Issue date May 5, 1981
    • Gerard O'Mahony
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotary electric machine and power conversion system using same

    • Patent number 4,179,729
    • Issue date Dec 18, 1979
    • The Charles Stark Draper Laboratory, Inc.
    • William E. Stanton
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Drive system

    • Patent number 3,953,787
    • Issue date Apr 27, 1976
    • Edward Helbling
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3818316

    • Patent number 3,818,316
    • Issue date Jun 18, 1974
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3670238

    • Patent number 3,670,238
    • Issue date Jun 13, 1972
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3470459

    • Patent number 3,470,459
    • Issue date Sep 30, 1969
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3263143

    • Patent number 3,263,143
    • Issue date Jul 26, 1966
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3188551

    • Patent number 3,188,551
    • Issue date Jun 8, 1965
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3183431

    • Patent number 3,183,431
    • Issue date May 11, 1965
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3177387

    • Patent number 3,177,387
    • Issue date Apr 6, 1965
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3070741

    • Patent number 3,070,741
    • Issue date Dec 25, 1962
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2729782

    • Patent number 2,729,782
    • Issue date Jan 3, 1956
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2692365

    • Patent number 2,692,365
    • Issue date Oct 19, 1954
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2585392

    • Patent number 2,585,392
    • Issue date Feb 12, 1952
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2287603

    • Patent number 2,287,603
    • Issue date Jun 23, 1942
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2081369

    • Patent number 2,081,369
    • Issue date May 25, 1937
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2023245

    • Patent number 2,023,245
    • Issue date Dec 3, 1935
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1725662

    • Patent number 1,725,662
    • Issue date Aug 20, 1929
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents