Internal combustion engine speed controller for controlling a th

Details Internal combustion engine speed controller for controlling a th Internal combustion engine speed controller for controlling a th

1990-07-20

1992-05-12

Lall, Parshotam S.

Boots, shoes, and leggings

36443105, 123491, 123327, 123494, F02D 4106

Patent

active

051133474

ABSTRACT:
An engine speed control apparatus including an air control valve which controls the cross-sectional area of a bypass passage provided so as to bypass the throttle valve of the engine. The apparatus also includes a control unit which controls a degree of opening of the air control valve on the basis of a synthesized quantity which is obtained by synthesizing a basic air quantity for maintaining a target engine speed and an engine speed feed-back correction quantity which effects to eliminate an error between the target speed and an actual engine speed. An atmosphere pressure sensor is used to detect an atmospheric pressure, and a correction circuit is used to ensure that the synthesized quantity corresponds with the detected atmospheric pressure the engine is started.

REFERENCES:
patent: 4349877 (1982-09-01), Oyama et al.
patent: 4572141 (1986-02-01), Hasegawa et al.
patent: 4600993 (1986-07-01), Pauwels et al.
patent: 4716871 (1988-01-01), Sakamoto et al.
patent: 4864998 (1989-09-01), Onishi
patent: 4903657 (1990-02-01), Miyazaki et al.
patent: 4938195 (1990-07-01), Miyazaki et al.

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