System for stabilizing idling of vehicular engine

Details System for stabilizing idling of vehicular engine System for stabilizing idling of vehicular engine

1982-11-30

1985-06-04

Lall, Parshotam S.

Internal-combustion engines

Engine speed regulator

Idle speed control

180142, F02M 300

Patent

active

045207771

ABSTRACT:
A vehicular power steering system has on/off control means for controlling a hydraulic fluid pump in accordance with steering effort applied on a steering wheel. On the other hand, a sensing means senses vehicle speed. Judging means is connected with the on/off control means and the vehicle speed sensing means, and produces an actuating signal when the control means produces a control signal to drive the fluid pump and at the same time the sensed vehicle speed is below a predetermined speed. A solenoid valve is connected with the judging means. The solenoid valve is arranged to open and close a bypass passage which allows an air fuel mixture to bypass a throttle valve for an intake air flow control of the engine. Thus, the supply of an air fuel mixture to the engine is increased in response to the actuating signal, and the engine idling speed is stabilized.

REFERENCES:
patent: 3146844 (1964-09-01), Carlson
patent: 3146845 (1964-09-01), Carlson
patent: 4225003 (1980-09-01), Yoshimura
patent: 4321900 (1982-03-01), Takeda
patent: 4392540 (1983-07-01), Michio et al.
patent: 4417640 (1983-11-01), Abe et al.

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