Speed control actuator

Details Speed control actuator Speed control actuator

1986-10-31

1988-09-20

Love, John J.

Motor vehicles

With means responsive to speed of vehicle for maintaining...

Including electrically actuated servomechanism

123376, B60K 3104

Patent

active

047718471

ABSTRACT:
The speed control actuator can be used to modify a control linkage fitted between an accelerator pedal and a carburetor or fuel injection pump on a vehicle engine. The actuator includes a forked lever which is mounted for rotation on the shaft of the fuel regulator, and a pulley which is mounted for rotation relative to the forked lever. The accelerator pedal is connected by means of a cable to the forked lever. Another cable passes over the pulley and is connected to a microprocessor controlled cable drive. The cable is advanced and retracted, in accordance with a vehicle speed related signal, to adjust the fuel regulator independently of the accelerator pedal. A preferred form of drive means is also described which employs a microprocessor producing a speed-related output in the form of a pulsating current of one polarity or another, and having a variable mark-to-space ratio, for driving a dc motor coupled to the actuator.

REFERENCES:
patent: 4337839 (1982-07-01), Taplin
patent: 4397276 (1983-08-01), Hagashida
patent: 4543932 (1985-10-01), Sturdy

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