Actuator for engine idling control mechanism

Details Actuator for engine idling control mechanism Actuator for engine idling control mechanism

1992-07-28

1993-09-14

Nelli, Raymond A.

Internal-combustion engines

Engine speed regulator

Idle speed control

F02M 300

Patent

active

052439410

ABSTRACT:
An actuator for an engine idling control mechanism, which includes a throttle valve disposed in an intake manifold tube, a slidable plunger unit, a drive mechanism for forcibly sliding the plunger unit, a detecting device for detecting whether the throttle valve is open or closed, and a control unit for controlling the drive mechanism in relation to the detecting device, for properly setting the degree of opening of the throttle valve at the time the engine is idling. The plunger unit is designed in such a way that, when the throttle valve is closed, the plunger unit is pushed by a control lever which is positioned in accordance with the degree of opening of the throttle valve. The drive mechanism can set the degree of opening of the throttle valve through the plunger unit and the control lever. The detecting device includes a pair of magnets and a detector for detecting the magnetic flux of the magnets. The magnets are slidable in the same direction as the plunger unit, and are slid by the plunger unit when the throttle valve is closed, for adjusting the degree of opening of the throttle valve.

REFERENCES:
patent: 3675636 (1972-07-01), Hiori
patent: 3757754 (1973-09-01), Wiegand
patent: 4155340 (1979-05-01), Ferrquist et al.
patent: 4212272 (1980-07-01), Hawk
patent: 4395985 (1983-08-01), Hagen
patent: 4655180 (1987-04-01), Bauer et al.
patent: 4742811 (1988-05-01), Okada et al.
patent: 4810967 (1989-03-01), Yokoyama et al.
patent: 4901697 (1990-02-01), Schleupan
patent: 4976237 (1990-12-01), Bollinger
patent: 5186142 (1993-02-01), Brunelli et al.

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