Lock-up clutch

Details Lock-up clutch Lock-up clutch

1997-07-07

1999-06-29

Marmor, Charles A.

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

1922131, F16D 3300

Patent

active

059155116

ABSTRACT:
The drive plate 25 in the lock-up clutch 15 is composed of the ring portion 32 and a plurality of protrusions 33 being positioned around the ring portion 32. The protrusion 33 has the piston connecting part 34 which projects outward in a radial direction from the ring portion 32 and connects with the piston 16 in a manner not to rotate but to move freely in an axial direction. The protrusion 33 also has the coil spring connecting part 35 which project inward in a radial direction from the ring portion 32. There is the opening 36 in the protrusion 33. The side plate 27 is placed at the side of the drive plate 25 and has the first coil spring receptacle 37 at the outer circumferential side corresponding to the coil spring connecting part 35 and has the second coil spring receptacle 39 at the inner circumferential side. The inner circumferential part of the driven plate 26 is fixed to the turbine 3. The first coil spring 30 is put in between the coil spring connecting part 35 and the first coil spring receptacle 37 and is elastically flexible in a circular direction. The openings 36 serve to reduce the weight of a drive plate 25, and the pins extending through the openings 36 provide structural strength.

REFERENCES:
patent: 4422535 (1983-12-01), Ling
patent: 4441594 (1984-04-01), Kubo et al.
patent: 4559024 (1985-12-01), Tamuro et al.
patent: 4668207 (1987-05-01), Koshimo
patent: 4768633 (1988-09-01), Kubo et al.
patent: 5080215 (1992-01-01), Forster et al.
patent: 5139122 (1992-08-01), Maeda et al.
patent: 5246399 (1993-09-01), Yanko et al.

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