Method for adjusting idling RPM of engine

Details Method for adjusting idling RPM of engine Method for adjusting idling RPM of engine

1989-09-01

1990-10-30

Argenbright, Tony M.

Internal-combustion engines

Engine speed regulator

Idle speed control

F02M 300, F02D 4116

Patent

active

049661124

ABSTRACT:
A method for adjusting idling RPM of engine having a pair of bypass passages, one of which is provided with a control valve and the other is provided with an air intake adjusting screw. The control valve is controlled by an adjusting signal (St+Sc) which is derived from an adjusting signal generator provided in a feedback system for decreasing the deviation of idling RPM of engine from a predetermined target RPM value after detecting it and the air intake adjusting screw is so adjusted as to make the adjusting signal to conform to the predetermined value (St) by decreasing the RPM correcting signal (Sc) independently of the said control value. With this arrangement there are no need of particular ways or arrangements for adjusting the idling RPM of the engine.

REFERENCES:
patent: 4364347 (1982-12-01), Miyagi
patent: 4469064 (1984-09-01), Manaka et al.
patent: 4545348 (1985-10-01), Ikeura
patent: 4667632 (1987-05-01), Shimomura et al.
patent: 4738237 (1988-04-01), Brandner et al.

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