Apparatus for operating clutches in motor vehicles
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United States of America Patent
Stats
-
Aug 4, 1992
Grant Date -
N/A
app pub date -
Jun 27, 1991
filing date -
Jun 27, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus for engaging, disengaging and otherwise regulating the operation of an automated friction clutch in a motor vehicle has a pedal which can be depressed in the same way as the clutch pedal in a vehicle without an automated clutch. The speed of movement and/or the position of the pedal is monitored by a sensor which transmits appropriate signals to a circuit serving to engage, disengage and/or otherwise operate the clutch by way of a hydraulic system by taking into consideration one or more additional parameters, such as the RPM of the engine, the RPM of the input shaft of the variable-speed transmission and/or others. If the circuit and/or the hydraulic system is out of commission, the clutch is operated by a bypass power train which is independent of the circuit. Depression of the pedal is resisted by a biasing element in imitation of resistance which is encountered by the clutch pedal in a vehicle not embodying an automated friction clutch.
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