Engine control system for internal combustion engine

Details Engine control system for internal combustion engine Engine control system for internal combustion engine

1992-01-16

1994-12-20

Nelli, Raymond A.

Internal-combustion engines

Engine speed regulator

Idle speed control

F02M 300

Patent

active

053738217

ABSTRACT:
An internal combustion engine control system retards a fuel ignition time based on a deviation in the intake air quantity from a predetermined target intake air quantity which is necessary to keep an internal combustion engine idling at a predetermined idle speed. The fuel ignition time is retarded when a transmission is shifted into a neutral range so as to cause a quantity of intake air to converge with the predetermined target quantity of intake air. An engine speed of the internal combustion engine thereby converges with the predetermined idle speed.

REFERENCES:
patent: 4716871 (1988-01-01), Sakamoto et al.
patent: 4732125 (1988-03-01), Takizawa
patent: 4819596 (1989-04-01), Naruoka et al.
patent: 4841447 (1989-06-01), Hayashi et al.
patent: 4879982 (1989-11-01), Itakura et al.
patent: 4903660 (1990-02-01), Sogawa
patent: 5035215 (1991-07-01), Ohuchi
patent: 5056483 (1991-10-01), Ohuchi

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