Device for controlling the intake air in an internal combustion

Details Device for controlling the intake air in an internal combustion Device for controlling the intake air in an internal combustion

1988-03-23

1989-04-25

Dolinar, Andrew M.

Internal-combustion engines

Engine speed regulator

Idle speed control

123361, 123399, F02D 4116

Patent

active

048237493

ABSTRACT:
Device for controlling the intake air in an internal combustion engine. The control occurs via a throttle valve that is adjusted by a stepping motor and is directly secured on the shaft of the stepping motor thereof. The stepping motor is driven in fine step mode in order to be able to position the throttle value with great precision. In order to achieve a high speed of adjustment, a rough step mode is provided, whereby an extremely large, dynamic load angle can be respectively achieved during accelerating and decelerating independently of the operating parameters.

REFERENCES:
patent: 4237833 (1980-12-01), Des Lauriers
patent: 4432317 (1984-02-01), Kawamura
patent: 4619237 (1986-10-01), Auslander et al.
patent: 4660520 (1987-04-01), Inoue et al.
"Querschnitt" published by VDO Adolf Schindling AG, Mar., 1981.

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