Piston position control mechanism

Details Piston position control mechanism Piston position control mechanism

1980-09-15

1982-04-20

Krizmanich, George H.

192 clutches and power-stop control

Clutches

Operators

188 723, 188 724, F16D 2512

Patent

active

043254713

ABSTRACT:
A control mechanism for a disc-type friction device having a fluid operated piston including a valve member slidably disposed in the piston. The valve member is maintained in abutment with one of the disc members. The valve member is operatable to control the distribution of fluid pressure to and from the apply chamber of the friction device so that the piston is maintained at a predetermined distance from the disc member abutted by the valve member whenever the friction device is disengaged.

REFERENCES:
patent: 3048247 (1962-08-01), Cook et al.
patent: 3438472 (1969-04-01), Hillegass et al.
patent: 3833100 (1974-09-01), Aschauer
patent: 3863746 (1975-02-01), Schulz

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