Cartridge ball check valve having integral filter for an automat

Details Cartridge ball check valve having integral filter for an automat Cartridge ball check valve having integral filter for an automat

1993-12-27

1995-05-02

Lorence, Richard M.

192 clutches and power-stop control

Clutches

Operators

192106F, F16D 250638, F16D 2512

Patent

active

054111234

ABSTRACT:
A friction clutch (10) for an automatic transmission includes a hydraulic cylinder (36), a clutch piston (40) movable within the cylinder, sets of friction discs (18, 54), one set drivably connected to the clutch cylinder and a second set drivable connected to another clutch member, a pressure plate (60), hydraulic passages (28, 30, 32, 34) connecting a fluid pressure source and the cylinder, a ball check valve (64) carried on the piston, and a filter screen (80) supported on a check valve cartridge (68) between the cylinder and clutch discs.

REFERENCES:
patent: 4635778 (1987-01-01), Lederman
patent: 4724745 (1988-02-01), Sumiya et al.
patent: 4964506 (1990-10-01), Benford et al.
patent: 5137624 (1992-08-01), Klotz

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