Method of and apparatus for controlling the air intake of an int

Details Method of and apparatus for controlling the air intake of an int Method of and apparatus for controlling the air intake of an int

1981-09-18

1983-06-07

Myhre, Charles J.

Internal-combustion engines

Engine speed regulator

Idle speed control

123352, F02D 902

Patent

active

043865917

ABSTRACT:
The sectional area of an air bypass passage which is bypassing a throttle valve in an intake passage of an internal combustion engine is increased or decreased depending upon the difference between the actual rotational speed of the engine and the variable desired rotational speed. The variable desired rotational speed is slowly changed with respect to time according to an increment rate or to a decrement rate, when the operating condition of the engine and/or the load condition of the engine changes.

REFERENCES:
patent: 3661131 (1972-05-01), Croft
patent: 4237838 (1980-12-01), Kinugawa et al.
patent: 4289100 (1981-09-01), Kinugawa et al.
patent: 4291656 (1981-09-01), Miyagi et al.
patent: 4306527 (1981-12-01), Kinugawa et al.
patent: 4337742 (1982-07-01), Carlson et al.

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