Knocking detection apparatus for an internal combustion engine

Details Knocking detection apparatus for an internal combustion engine Knocking detection apparatus for an internal combustion engine

1982-10-13

1985-01-08

Gill, James J.

Measuring and testing

Engine detonation

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

73714, G01L 2322

Patent

active

044921098

ABSTRACT:
A knocking detection apparatus for multi-cylinder engines, capable of detecting knocking through sensing pressure pulsation propagating through the cooling water flowing in a cylinder block surrounding the cylinders. The knocking detection apparatus has a diaphragm facing the space downstream from the detection apparatus as viewed in the direction of flow of the cooling water, and a transducer dixed to the diaphragm.

REFERENCES:
patent: 2403774 (1946-07-01), Whitty et al.
patent: 4299117 (1981-11-01), Andrews et al.
patent: 4408479 (1983-10-01), Asai et al.

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