Knock suppression apparatus for an internal combustion engine

Details Knock suppression apparatus for an internal combustion engine Knock suppression apparatus for an internal combustion engine

1990-05-07

1991-07-09

Argenbright, Tony M.

Internal-combustion engines

Combustion chamber means combined with air-fuel mixture...

73 35, F02P 514

Patent

active

050295667

ABSTRACT:
A knock suppression apparatus for an engine includes a knock sensor for sensing an engine operating parameter representative of an occurrence of knocking and a knock unit for detecting knock signals in the output signal of the knock sensor and controlling the ignition timing of the engine to suppress the knocking. The knock sensor is connected with the knock unit by wiring that is disposed in the proximity of wiring for a component of the vehicle that can induce electrical noise in the knock sensor wiring large enough to be mistaken for a knock signal substantially only when the engine load is low or decreasing. In a preferred embodiment, the knock sensor wiring is in a wiring harness for an antilock brake control system.

REFERENCES:
patent: 4512309 (1985-04-01), Tansuwan
patent: 4557236 (1985-12-01), Showalter
patent: 4607602 (1986-08-01), Komurasaki

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