Clutch actuation mechanism

Details Clutch actuation mechanism Clutch actuation mechanism

1994-06-01

1996-04-16

Lorence, Richard M.

192 clutches and power-stop control

Transmission control and clutch control

Common control

192 85C, 192 82P, 477 74, 60545, B60K 4128

Patent

active

055073735

ABSTRACT:
The clutch actuation system provides for control of the clutch of a manual transmission in a motor vehicle. By use of an electric motor with mechanical linkage, hydraulics, a vacuum booster and a gradual pressure relief valve a smooth easy control of the manual transmission is accomplished. The vacuum booster provides an assist to the hydraulic system when the clutch must be disengaged. The gradual pressure relief valve provides for a smooth transition in the hydraulic system to engage and disengage the clutch. An engine RPM sensor is provided to prevent the disengagement of the transmission by the brake switch except at low engine RPM. The rapid smooth assist is aided by the vacuum system of the motor vehicle. For certain motor vehicles the engine oil system is also used to assist.

REFERENCES:
patent: 3303912 (1967-02-01), Fujimoto et al.
patent: 4488625 (1984-12-01), Nobumoto et al.
patent: 4505364 (1985-03-01), Goucher et al.
patent: 4533030 (1985-08-01), Gabriel
patent: 5002166 (1991-03-01), Leigh-Monstevens et al.

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