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Instruments using length of spark discharge

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  • CPC
  • G01R13/42
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GPHYSICS G01Measuring instruments G01RMEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES G01R13/00Arrangements for displaying electric variables or waveforms

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G01R13/42Instruments using length of spark discharge
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sparking voltage detecting device for internal combustion engines
    • Patent number 5,317,268
    • Issue date May 31, 1994
    • Honda Giken Kogyo Kabushiki Kaisha
    • Shigeru Maruyama
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Transient field indicator
    • Patent number 4,825,152
    • Issue date Apr 25, 1989
    • Voyager Technologies, Inc.
    • Peter R. Bossard
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Spark plug tester
    • Patent number 4,156,839
    • Issue date May 29, 1979
    • Torakichi Nakagawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Method and apparatus for providing output indications in response t...
    • Patent number 4,124,846
    • Issue date Nov 7, 1978
    • ELT Incorporated
    • John Fajt
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Engine analyzing device
    • Patent number 4,079,310
    • Issue date Mar 14, 1978
    • James H. Ortmann
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Ignition arc monitor circuit
    • Patent number 4,053,823
    • Issue date Oct 11, 1977
    • Michael R. Adamian
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Apparatus for measuring spark plug gap spacing
    • Patent number 4,024,469
    • Issue date May 17, 1977
    • Production Measurements Corporation
    • Henry Alan Bobulski
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Capacitor discharge ignition testing apparatus employing visual spa...
    • Patent number 3,979,664
    • Issue date Sep 7, 1976
    • Brunswick Corporation
    • Mark Harris
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    3904955
    • Patent number 3,904,955
    • Issue date Sep 9, 1975
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3891917
    • Patent number 3,891,917
    • Issue date Jun 24, 1975
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents