Torque converter

Details Torque converter Torque converter

2005-03-29

2005-03-29

Rodriguez, Saul (Department: 3681)

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

C192S070200

Reexamination Certificate

active

06871733

ABSTRACT:
A torque converter is provided with an impeller and a cover, fixed to one another and configured for attachment to a drive member. A turbine is rotationally mounted between the impeller and the cover and is configured for attachment to a driven member. A lockup clutch is provided to lock the impeller and cover to the turbine when a fluid pressure applied to the lockup clutch increases above a torque converter lockup pressure. The lockup clutch may include a clutch-pack having rings that are splined to the piston or to the cover via tabs. The flanks of the tabs and their corresponding lugs may be substantially radial, or the flanks of the tabs or lugs may be parallel to one another. The cover may be formed from a base plate and a cylindrical wall piece. A plurality of lugs may be formed around the periphery of the base plate, and ones of the tabs may be splined thereto.

REFERENCES:
patent: 4177885 (1979-12-01), Ross
patent: 5211270 (1993-05-01), Tamura et al.
patent: 5337867 (1994-08-01), Kirkwood
patent: 5441135 (1995-08-01), Worner et al.
patent: 5799763 (1998-09-01), Dehrmann
patent: 5918713 (1999-07-01), Shimizu et al.
patent: 6705434 (2004-03-01), Bunker

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