Fluid coupling control device of automatic transmission

Details Fluid coupling control device of automatic transmission Fluid coupling control device of automatic transmission

1994-10-20

1997-02-04

Lorence, Richard M.

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

747321, F16H 4502

Patent

active

055989063

ABSTRACT:
A fluid coupling control device of an automatic transmission includes a turbine chamber into which an operation fluid flows, an operation chamber which is separated from the turbine chamber and into which the operation fluid flows, a clutch mechanism which engages and disengages the input member with the output member, a piston member slid by a fluid pressure difference between the operation chamber and the turbine chamber so as to engage and disengage the clutch mechanism, a fluid source which supplies the fluid to the operation chamber and the turbine chamber, and a control device disposed between the fluid source and the operation chamber which controls the fluid pressure in the operation chamber based on the fluid pressure in the turbine chamber.

REFERENCES:
patent: 4828084 (1989-05-01), Hasegawa et al.
patent: 4880091 (1989-11-01), Hasegawa et al.
patent: 5054590 (1991-10-01), Paulsen

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