System for automatic actuation of a motor vehicle clutch
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United States of America Patent
Stats
-
Mar 6, 1984
Grant Date -
N/A
app pub date -
Jul 20, 1981
filing date -
Jul 25, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system for automatic actuation of the clutch of a motor vehicle wherein a pneumatic cylinder operates a normally engaged clutch to disengage the clutch when fluid pressure is applied to the pneumatic cylinder. A valve system operated through a control system vents the pneumatic cylinder to effect engagement of the clutch and applies fluid pressure from a fluid pressure source to disengage the clutch. The control system is responsive to the position of a clutch activating element interposed between the clutch and the pneumatic cylinder as well as to the speed of the motor of the motor vehicle. Additionally, sensors responsive to the operating condition of a manually shiftable transmission also operate to control the fluid pressure condition of the pneumatic cylinder to determine actuation of the clutch.
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