Torque convertor

Details Torque convertor Torque convertor

1996-04-01

1997-09-23

Lorence, Richard M.

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

192 33, F16H 4502

Patent

active

056694750

ABSTRACT:
A torque convertor is provided with a lockup clutch having a plurality of frictional surfaces. The lockup clutch includes coil springs for coupling an inertia plate and a front cover with each other in the circumferential direction. A piston plate is disposed between a turbine and the inertia plate and engaged with the turbine. An output plate is disposed between the front cover and the inertia plate and is fixed to the turbine. A hydraulic pressure control device controls the hydraulic oil pressure inside the torque convertor in order to frictionally engage or disengage the output plate, the inertia plate, and the piston plate with each other.

REFERENCES:
patent: 4844216 (1989-07-01), Kukushima
patent: 5062517 (1991-11-01), Muchmore et al.
patent: 5086892 (1992-02-01), Schierling
patent: 5195621 (1993-03-01), Dull et al.
patent: 5377796 (1995-01-01), Friedmann et al.
patent: 5590750 (1997-01-01), Graton et al.

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