Measuring and testing – Engine detonation – Combustion signal compared to reference signal varied by a...
Patent
1979-12-27
1981-12-29
Myracle, Jerry W.
Measuring and testing
Engine detonation
Combustion signal compared to reference signal varied by a...
310332, G01L 2322
Patent
active
043076025
ABSTRACT:
A piezoelectric ceramic vibrator is mounted inside a metal case including a portion adapted for fastening the case to an engine, and the vibrator is adapted to resonate in response to a vibration frequency produced upon knocking of the engine. The output of the vibrator is taken out as a knock output.
REFERENCES:
patent: 3497731 (1970-02-01), Straube
patent: 4091679 (1978-05-01), Furusawa et al.
patent: 4153020 (1979-05-01), King et al.
patent: 4233836 (1980-11-01), Yoneda et al.
Makino Tadayori
Miura Kenzo
Sawada Daisaku
Takahashi Juhei
Matsushita Electric - Industrial Co., Ltd.
Myracle Jerry W.
Toyota Jidosha Kogyo Kabushiki Kaisha
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