Method for controlling the no-load speed of an internal combusti

Details Method for controlling the no-load speed of an internal combusti Method for controlling the no-load speed of an internal combusti

1989-09-21

1991-03-26

Argenbright, Tony M.

Internal-combustion engines

Engine speed regulator

Idle speed control

F02D 4116

Patent

active

050020277

ABSTRACT:
The invention is directed to a method for controlling the no-load speed of an internal combustion engine wherein the position of the throttle flap in the intake tube of the engine is varied as a function of the speed of the engine and of a position signal defining the position of the throttle flap. The variation of the throttle flap position takes place, however, only whenever the throttle flap has assumed a specific, predeterminable position and whenever the engine speed has remained virtually constant over a likewise predeterminable period of time. An embodiment in the form of a flow chart is described by means of which the method according to the invention can be realized.

REFERENCES:
patent: 3964457 (1976-06-01), Coscia
patent: 4297978 (1981-11-01), Matsui
patent: 4344399 (1982-08-01), Matsumura et al.
patent: 4359983 (1982-11-01), Carlson et al.
patent: 4365599 (1982-12-01), Ikeura
patent: 4453518 (1984-06-01), Nakamura et al.
patent: 4601276 (1986-07-01), Damson et al.

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