Control method for idling speed of an engine

Details Control method for idling speed of an engine Control method for idling speed of an engine

1988-10-14

1990-02-27

Wolfe, Willis R.

Internal-combustion engines

Engine speed regulator

Idle speed control

123585, F02D 4116

Patent

active

049036580

ABSTRACT:
A control method for the idling speed of an engine, in which method, from the engine speed at the time when transition toward the idling state is determined by the switching, for example, of an idling switch to "ON", the correction quantity of the control value of valve means for regulating the intake air quantity of the engine is set, a drop in the engine speed being avoided, and at the same time, in the convergence toward a learned value thereafter, convergence to the learned value of the valve means at a variation rate corresponding to the engine speed is made possible, whereby rapid correspondence toward feedback control is realized.

REFERENCES:
patent: 4344399 (1982-08-01), Matsumura et al.
patent: 4545348 (1985-10-01), Ikeura
patent: 4545349 (1985-10-01), Ito et al.
patent: 4702210 (1987-10-01), Yasuoka et al.
patent: 4729359 (1988-03-01), Tomisawa et al.
patent: 4747379 (1988-05-01), Oba
patent: 4777918 (1988-10-01), Yasuoka
patent: 4785780 (1988-11-01), Kawai
patent: 4827885 (1989-05-01), Nishikawa et al.

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