Speed control actuator
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United States of America Patent
Stats
-
Sep 20, 1988
Grant Date -
N/A
app pub date -
Oct 31, 1986
filing date -
Nov 1, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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