Direct coupling clutch with a damper device for a fluid coupling

Details Direct coupling clutch with a damper device for a fluid coupling Direct coupling clutch with a damper device for a fluid coupling

1986-04-28

1988-01-05

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

1921062, 464 63, 464 67, 464 68, F16H 4502, F16D 366

Patent

active

047169982

ABSTRACT:
A direct coupling clutch being assembled within a casing of a fluid coupling having an impeller mounted on the casing and a turbine supported on an output shaft of the fluid coupling. The direct coupling clutch includes a piston mounted slidably on a turbine hub in axial direction for engaging with and disengaging from a front cover of the casing and a damper device resiliently connecting the turbine hub and piston. The damper device includes an annular driven plate consisting of two guide plates secured concentrically with each other and having a first set and a second set of spaces arranged in double rows along two concentric circles, an annular drive plate having a set of openings arranged in a row along a first circle, a set of projections arranged in a row along a second circle, a first coil spring inserted in each of the first set of spaces and within each of the set of openings and a second coil spring inserted in each of the second set of spaces and between the projections. The first coil spring is continually compressed by the relative rotation of the drive and driven plates and the second coil spring having a greater spring constant than that of the first coil spring is compressed after the first coil spring has been compressed in a predetermined value.

REFERENCES:
patent: 4027757 (1977-06-01), Radke et al.
patent: 4049093 (1977-09-01), Vukovich et al.
patent: 4138003 (1979-02-01), Malloy
patent: 4274519 (1981-06-01), Moroto et al.
patent: 4347717 (1982-09-01), Lamarche
patent: 4422535 (1983-12-01), Ling
patent: 4440276 (1984-04-01), Kubo et al.
patent: 4559024 (1985-12-01), Tamura et al.
patent: 4576260 (1986-03-01), Koshimo

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