Knocking detector for internal combustion engine

Details Knocking detector for internal combustion engine Knocking detector for internal combustion engine

1981-10-26

1984-04-24

Gill, James J.

Measuring and testing

Engine detonation

Combustion signal compared to reference signal varied by a...

73116, G01L 2322

Patent

active

044440430

ABSTRACT:
A knocking detector for internal combustion engines includes an illumination detector for detecting the illumination intensity of combustion of the air-fuel mixture in the combustion chamber and a knocking discriminator for deciding whether or not a knocking has occurred on the basis of a signal produced from the illumination detector. The illumination detector is provided on the cylinder head of the internal combustion engine and is sensitive only to the light longer in wavelength than the near infrared rays.

REFERENCES:
patent: 1433530 (1922-10-01), Chapman
patent: 2841979 (1958-07-01), Harbert
patent: 3067610 (1962-12-01), Bockemuehl et al.
patent: 3678741 (1972-07-01), Burley
"National Bureau of Standards-Technical News Bulletin", vol. 37, No. 8, Aug. 1953, pp. 113-115.

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