Internal-combustion engines – Engine speed regulator – Idle speed control
Patent
1981-03-16
1983-05-03
Cox, Ronald B.
Internal-combustion engines
Engine speed regulator
Idle speed control
123179L, 123361, 123585, 123588, 310 49R, 310 80, F02D 1110, F02N 1700
Patent
active
043817475
ABSTRACT:
An idling speed control device of an internal combustion engine having a bypass passage which interconnects the intake passage located upstream of the throttle valve to the intake passage located downstream of the throttle valve has a flow control valve device arranged in the bypass passage and actuated by a stepper motor for controlling the amount of air flowing within the bypass passage to maintain the idling speed of the engine at a predetermined speed. The flow control valve device comprises a valve chamber having an air inlet opening and an air outlet opening which is connected to the intake passage located downstream of the throttle valve. The air inlet opening is formed on the inner bottom wall of the valve chamber and connected via the bypass passage to the intake passage located upstream of the throttle valve.
REFERENCES:
patent: 3504253 (1970-03-01), Kavanaugh
patent: 3549918 (1970-12-01), Croymans
patent: 3661131 (1972-05-01), Croft
patent: 3693034 (1972-09-01), Inariba
patent: 3964457 (1976-06-01), Coscia
patent: 4145165 (1979-03-01), Perkins
patent: 4237833 (1980-12-01), Des Lauriers
Itoh Hiroshi
Kobayashi Nobuyuki
Otsuki Hiromi
Cox Ronald B.
Nippondenso Co. Ltd.
Toyota Jidosha Kogyo Kabushiki Kaisha
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