Ignition system for marine propulsion device

Details Ignition system for marine propulsion device Ignition system for marine propulsion device

1989-05-15

1991-06-11

Dolinar, Andrew M.

Internal-combustion engines

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

123335, 123418, 73 35, 74851, 440 1, F02P 5145, F02P 900, F02P 1700

Patent

active

050223704

ABSTRACT:
A control system for an internal combustion engine, the control system receiving an input signal from an engine speed sensor, receiving an input signal from an engine knock sensor, advancing the spark timing of the internal combustion engine until a knock signal is received from the knock sensor, and, in response to receipt of a knock signal from the knock sensor, retarding the spark timing of the internal combustion engine until a knock signal is no longer received from the knock sensor and thereafter maintaining a substantially constant spark timing until the signal received from the engine speed sensor indicates a change in engine speed.

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