Control means of internal combustion engine for marine propulsio

Details Control means of internal combustion engine for marine propulsio Control means of internal combustion engine for marine propulsio

1988-08-08

1990-10-30

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Fuel injection system

123335, 123602, 123198DC, 74851, F02P 5145

Patent

active

049661159

ABSTRACT:
A number of embodiments of engine spark control systems wherein the engine speed is reduced in response to the sensing of an abnormal or an external condition and wherein the spark timing is altered when the spark is interrupted to preclude the likelihood of backfiring in the exhaust system or firing back in the induction system. In some embodiments, the sensed condition is an abnormal running condition and in other embodiments the sensed condition is shifting of the transmission. The backfiring and firing back is precluded primarily by advancing the spark from the idle spark advance.

REFERENCES:
patent: 3855985 (1974-12-01), Shirai
patent: 4074665 (1978-02-01), Patis
patent: 4441478 (1984-04-01), Fujimoto
patent: 4528970 (1985-07-01), Fujimoto
patent: 4633834 (1987-01-01), Takeuchi et al.
patent: 4644927 (1987-02-01), Okuda
patent: 4726798 (1988-02-01), Davis
patent: 4794897 (1989-01-01), Kinouchi

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