Method of controlling ignition of internal combustion engine

Details Method of controlling ignition of internal combustion engine Method of controlling ignition of internal combustion engine

1989-09-08

1990-08-28

Nelli, Raymond A.

Internal-combustion engines

Engine speed regulator

Engine speed reduction by partial or complete omission of...

123198DC, F02P 900

Patent

active

049516400

ABSTRACT:
An ignition control system for an internal combustion engine of the type employed to power a watercraft wherein the engine speed is reduced upon the sensing of an abnormal engine condition. When the engine speed is reduced, the spark timing is also retarded to avoid backfiring in the exhaust system unless the engine conditions indicate that the exhaust gas temperatures might become too high under this retarded condition.

REFERENCES:
patent: 4385601 (1983-05-01), Orova et al.
patent: 4459951 (1984-07-01), Robinaga et al.
patent: 4664080 (1987-05-01), Minks
patent: 4883033 (1989-11-01), Hosoe et al.
patent: 4894602 (1990-01-01), Davis et al.

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