Hydraulically operated clutch release bearing

Details Hydraulically operated clutch release bearing Hydraulically operated clutch release bearing

1984-07-17

1987-01-06

Krizmanich, George H.

192 clutches and power-stop control

Clutches

Operators

192110B, 192 85CA, F16D 2314, F16D 2508

Patent

active

046339930

ABSTRACT:
The hydraulically operable clutch release for a motor vehicle friction clutch comprises a housing part (3) of substantially ring form and an annular piston (9) guided displaceably in sealed manner in the direction of the ring axis on the housing part (3). The annular piston (9) together with the housing part (3) forms an annular hydraulic pressure chamber (15) and comprises a stop face (29) facing axially away from the pressure chamber (15). A release bearing (19) guided both axially and radially movably on the annular piston (9) has a non-rotating race ring (23) supportable radially movably on the stop face (29) of the annular piston and a rotating race ring (21) constantly abutting in radially movable manner on a release device (37) of the friction clutch. Between the housing part (3) and the annular piston (9) there is compressed an axially acting compression spring (31) for the permanent supporting of the rotating race ring (21) on the release device (37). Between the non-rotating race ring (23) and the annular piston (9) there is supported a spring (33) which holds the stop face (29) of the annular piston (9) at a distance from the non-rotating race ring (23) against the action of the compression spring (31) when the pressure chamber (15) is relieved of pressure for the engagement of the friction clutch. The spring (33) is so dimensioned that when the pressure chamber (15) is charged with pressure for the release of the friction clutch it permits supporting of the stop face (29) on the non-rotating race ring (23).

REFERENCES:
patent: 3416637 (1968-12-01), Maurice
patent: 3900091 (1975-08-01), Maucher
patent: 3921775 (1975-11-01), Matyschik
patent: 4143748 (1979-03-01), Maucher
patent: 4270645 (1981-06-01), Becaris
patent: 4524855 (1985-06-01), Brandenstein
patent: 4526258 (1985-07-01), Huber

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