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

1978-11-09

1980-07-15

Myhre, Charles J.

Internal-combustion engines

Engine speed regulator

Idle speed control

123198DB, 123350, F02D 1110

Patent

active

042122724

ABSTRACT:
An idle speed control device of compact size has a miniature DC motor operably connected by a speed reducing gear train to drive a threaded shaft to adjust the position of a throttle stop for an engine throttle valve lever to thereby control engine idle speed wherein the throttle stop is initially moved by the throttle lever to close a normally open switch within the device to enable motor operation only during idle and wherein the threaded shaft disengages from the gear train when the throttle stop reaches a maximum throttle valve opening position while the motor continues to run and re-engages when the motor reverses.

REFERENCES:
patent: 2355090 (1944-08-01), Love et al.
patent: 2680818 (1954-06-01), Ringwald
patent: 2799373 (1957-07-01), Wagner
patent: 3116807 (1964-01-01), Wilson
patent: 3322226 (1967-05-01), Marshall et al.
patent: 3338225 (1967-08-01), Nicholson
patent: 3392799 (1968-07-01), Ishikawa
patent: 3727714 (1973-04-01), Ishikawa
patent: 3958544 (1976-05-01), Shinoda et al.
patent: 4020813 (1977-05-01), Hattori et al.
patent: 4036186 (1977-07-01), Hattori et al.

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