Torque converter lockup clutch construction and fabrication meth

Details Torque converter lockup clutch construction and fabrication meth Torque converter lockup clutch construction and fabrication meth

1994-07-25

1996-05-14

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

192 702, F16H 4502

Patent

active

055159559

ABSTRACT:
A lockup clutch assembly and fabrication method for a hydrokinetic torque converter comprising a high capacity piston and clutch assembly located within the cover of the hydrokinetic torque converter, the piston and clutch assembly comprising a first friction disc and a second friction disc connected drivably to the torque input member of a multiple ratio geared transmission and a third friction disc situated between the first and second friction discs and connected to the cover of the torque converter, the second friction disc being adapted to engage a friction surface on the cover when a pressure differential across the piston and clutch assembly is created in the torque converter, the driving connection between the third disc and the cover being achieved by interlocking spline teeth or embossments which permit torque transfer from the cover through the piston and clutch assembly while accommodating relative axial displacement between them whereby a direct drive torque transfer path is established with minimum backlash and improved torque transmitting capacity.

REFERENCES:
patent: 2920728 (1960-01-01), Forster
patent: 3915272 (1975-10-01), Maurice
patent: 4153147 (1979-05-01), Chana
patent: 4593803 (1986-06-01), Valier
patent: 4785924 (1988-11-01), Jackel
patent: 4821855 (1989-04-01), Jackel
patent: 4944374 (1990-07-01), Casse et al.
patent: 4945782 (1990-08-01), Farrell
patent: 4969544 (1990-11-01), Fujimoto
patent: 5211270 (1993-05-01), Tamura et al.
patent: 5407041 (1995-04-01), Fukunaga et al.

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