System for controlling ignition timing in engine

Details System for controlling ignition timing in engine System for controlling ignition timing in engine

1979-05-25

1982-03-23

Myhre, Charles J.

Internal-combustion engines

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

123416, 123479, 73 35, F02P 514

Patent

active

043207294

ABSTRACT:
A system for controlling ignition timing in an engine wherein a knocking signal is generated by a sensor in response to knocking. The operation of the sensor is monitored, and when a fault in its operation is detected, a dummy signal, instead of the knocking signal is used to control engine timing. The dummy signal causes the engine timing to be retarded to a value at which knocking is unlikely to occur.

REFERENCES:
patent: 3916848 (1975-11-01), Schmidt
patent: 4002155 (1977-01-01), Harned et al.
patent: 4120272 (1978-10-01), Douaud et al.
patent: 4153020 (1979-05-01), King et al.
patent: 4182300 (1980-01-01), Ono et al.

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