Internal-combustion engines – Engine speed regulator – Idle speed control
Patent
1984-02-06
1985-10-15
Argenbright, Tony M.
Internal-combustion engines
Engine speed regulator
Idle speed control
123360, 123361, F02M 306, F02D 3100
Patent
active
045467447
ABSTRACT:
A device for controlling the throttle position of a carburetor during an accelerator release stage, in accordance with the speed of the engine. The device includes a vacuum motor which acts on a control lever associated with the carburetor throttle and which is in fluid communication with the intake suction manifold of the engine and with the atmosphere. An electromagnet device is energized by a control device which receives signals representing various engine parameters as detected by sensing devices. The electromagnet device includes a movable keeper including a bushing which slides between a pair of abutments under the effect of the magnetic field created by the electromagnets of the electromagnet device and of a spring which opposes the force applied by the magnetic field. The bushing includes a valve member which controls a pipe in order to place the vacuum motor in communication with the atmosphere.
REFERENCES:
patent: 3648798 (1972-03-01), Jania
patent: 4176633 (1979-12-01), McCabe
patent: 4274376 (1981-06-01), Tsiang et al.
Argenbright Tony M.
Weber S.p.A.
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