Lock-up damper device for fluid transmission apparatus

Details Lock-up damper device for fluid transmission apparatus Lock-up damper device for fluid transmission apparatus

1996-05-01

1998-04-28

Lorence, Richard M.

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

192212, 464 66, F16H 4502

Patent

active

057433658

ABSTRACT:
A lock-up damper includes a driving plate or flange formed integrally with a radially outer flange of a lock-up piston, a driven plate fixed to an outer peripheral portion of a turbine shell, and coil springs which are mounted between the driving and driven plates, such that the inner, front and rear sides of the coil springs are supported by the driven plate, and the outer sides thereof are supported by the inner surface of the driving plate.
The driven plate consists of a single annular plate having inner, front and rear support faces for supporting the coil springs, and the front and rear faces do not extend beyond two orthogonal lines that are tangent to the coil spring and extend in parallel with the lock-up piston and the outer flange, respectively.

REFERENCES:
patent: 4240532 (1980-12-01), Blomquist
patent: 4646886 (1987-03-01), Nishimura
patent: 4875562 (1989-10-01), Fujimoto
patent: 4903803 (1990-02-01), Koshimo
patent: 5080215 (1992-01-01), Forster et al.
patent: 5105921 (1992-04-01), Fujimoto
patent: 5195622 (1993-03-01), Tauvron

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