192 clutches and power-stop control – Clutches – Operators
Patent
1996-09-17
1998-03-31
Lorence, Richard M.
192 clutches and power-stop control
Clutches
Operators
192 91A, 60583, 60593, 92 80, F16D 2314, F16D 2508
Patent
active
057328110
ABSTRACT:
The fluid-pressure ram, for controlling a clutch release bearing for an automobile clutch, has two variable-volume control chambers which follow each other axially and comprise a primary chamber which is fed with pressurized fluid and which is axially delimited sealingly, to the front by a fixed base and to the rear by a movable wall integral with a shell, and a secondary chamber which is axially delimited sealingly, to the front by the movable wall and to the rear by the piston, the movements of the fluidtight movable wall bringing about a decantation of a fluid contained in an intermediate chamber to the secondary chamber, and vice versa, the said shell separating the intermediate chamber from the secondary chamber.
REFERENCES:
patent: 3548989 (1970-12-01), Root
patent: 3912058 (1975-10-01), Parkins
patent: 4650054 (1987-03-01), Fadler
patent: 4979602 (1990-12-01), Fukushima
Graton Michel
Rey Frederic
Lorence Richard M.
Valeo
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