Idle speed control device for internal combustion engine

Details Idle speed control device for internal combustion engine Idle speed control device for internal combustion engine

1999-02-09

2000-05-23

Yuen, Henry C.

Internal-combustion engines

Engine speed regulator

Idle speed control

F02M 6932

Patent

active

060654473

ABSTRACT:
An idle speed control device has a valve portion disposed in an auxiliary intake air passage by-passing a throttle valve disposed in a main intake air passage for opening and closing a valve provided in the auxiliary air passage, and a spring urging the valve portion to close. The spring is arranged in a portion separated from the air flow in the auxiliary intake air passage, and the valve portion has a guide portion formed therein to be integrated therewith for guiding sliding of the valve portion.

REFERENCES:
patent: 4424952 (1984-01-01), Thomson et al.
patent: 4580536 (1986-04-01), Takao et al.
patent: 4617889 (1986-10-01), Nishimiya
patent: 4989564 (1991-02-01), Cook et al.
patent: 5090381 (1992-02-01), Tanabe
patent: 5217043 (1993-06-01), Novakovi
patent: 5307774 (1994-05-01), Hammer
patent: 5325830 (1994-07-01), Hammer
patent: 5687695 (1997-11-01), Tsukamoto et al.

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