192 clutches and power-stop control – Clutches – Operators
Patent
1989-07-27
1990-11-13
Lorence, Richard
192 clutches and power-stop control
Clutches
Operators
192 56F, F16D 2506
Patent
active
049695460
ABSTRACT:
A fluid operated clutch has a fluid apply chamber which is selectively pressurized to control clutch engagement. A pressure control valve and a directional sensitive feed mechanism cooperate to establish separate apply pressure functions for the clutch dependent upon the direction of torque transmission. The control valve is effective to prevent the chamber from being pressurized during a predetermined range of system pressure.
REFERENCES:
patent: 3734251 (1973-05-01), Annis et al.
patent: 4186829 (1980-02-01), Schneider et al.
patent: 4805752 (1989-02-01), Malloy et al.
General Motors Corporation
Lorence Richard
Pitts Andrea
Scherer Donald F.
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