Method and apparatus for controlling the ignition timing of an i

Details Method and apparatus for controlling the ignition timing of an i Method and apparatus for controlling the ignition timing of an i

1980-11-14

1982-09-28

Cox, Ronald B.

Internal-combustion engines

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

123424, F02P 504

Patent

active

043512976

ABSTRACT:
An apparatus and method for correcting the ignition timing of an engine after cold startup, in which a spark retard correction value is gradually reduced to zero over a period of time irrespective of the coolant temperature of the engine, after the coolant temperature exceeds a predetermined value. As a result, the emission of noxious components in the exhaust gases can be effectively reduced when the engine is started from the cold condition.

REFERENCES:
patent: 3793833 (1974-02-01), van Basshuysen
patent: 4096843 (1978-06-01), Marsee
patent: 4104998 (1978-08-01), Fenn

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