Interactive idle speed control with a direct fuel control

Details Interactive idle speed control with a direct fuel control Interactive idle speed control with a direct fuel control

1985-05-06

1986-10-28

Dolinar, Andrew M.

Internal-combustion engines

Engine speed regulator

Idle speed control

123344, 123352, 123418, F02D 4116, F02D 4300

Patent

active

046192328

ABSTRACT:
A method for controlling the idling speed of an internal combustion engine supplied with a lean air/fuel ratio includes generating a speed error signal. The speed error signal is used to generate a fuel pulse width command signal to control fuel mass charge as a function of the speed error signal. A throttle command signal is generated as a function of the fuel mass charge to maintain a desired air mass charge which in turn maintains a desired air to fuel ratio.

REFERENCES:
patent: 4047507 (1977-09-01), Noguchi et al.
patent: 4142483 (1979-03-01), Ironside
patent: 4262643 (1981-04-01), Cavil et al.
patent: 4328775 (1982-05-01), Ironside
patent: 4338899 (1982-07-01), Geiger et al.
patent: 4344397 (1982-08-01), Geiger et al.
patent: 4389989 (1983-06-01), Hartig

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