Idling speed control device of an internal combustion engine

Details Idling speed control device of an internal combustion engine Idling speed control device of an internal combustion engine

1986-08-04

1987-08-25

Wolfe, Jr., Willis R.

Internal-combustion engines

Engine speed regulator

Idle speed control

123588, F02D 902, F02M 306

Patent

active

046885340

ABSTRACT:
An idling speed control device in an internal combustion engine comprising an idling speed control valve arranged in a bypass bypassing the throttle valve of the engine. The valve is fully opened at the start of the engine and closed to a controlled rate when the revolutional speed of the engine reaches a reference rotational value. At least two reference rotational values are provided depending upon a temperature; one of which is a higher value for the considerably high temperature, and the other is a low value for a normal temperature.

REFERENCES:
patent: 4191051 (1980-03-01), Kawata et al.
patent: 4414943 (1983-11-01), Nagase
patent: 4444168 (1984-04-01), Matsumura et al.
patent: 4479471 (1984-10-01), Hasegawa et al.
patent: 4484552 (1984-11-01), Kobayashi et al.

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