Method and arrangement for idle adjustment of an internal combus

Details Method and arrangement for idle adjustment of an internal combus Method and arrangement for idle adjustment of an internal combus

1995-06-07

1997-04-29

Wolfe, Willis R.

Internal-combustion engines

Engine speed regulator

Idle speed control

12333924, 123196S, F02M 306, F01M 120

Patent

active

056239025

ABSTRACT:
A method and an arrangement for idle adjustment of an internal combustion engine provide that the idle rpm is increased when the engine is warm. A warm engine is then present when the oil temperature exceeds a threshold at which the oil pressure can become too low. Exceeding the oil temperature threshold is determined in dependence upon the engine temperature, the intake-air temperature and, if necessary, the engine rpm and the load of the engine.

REFERENCES:
patent: 4345557 (1982-08-01), Ikeura
patent: 4760824 (1988-08-01), Sakurai
patent: 4796204 (1989-01-01), Inoue
patent: 5002026 (1991-03-01), Ohkumo et al.
patent: 5010862 (1991-04-01), Hashimoto et al.
patent: 5163399 (1992-11-01), Bolander et al.

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