Damper mechanism with spring seats having balls disposed therein

Details Damper mechanism with spring seats having balls disposed therein Damper mechanism with spring seats having balls disposed therein

1997-11-06

1999-12-07

Marmor, Charles A

192 clutches and power-stop control

Elements

Clutch element resiliently carried on hub

192213, 192 329, 464 66, F16D 314, F16H 4502

Patent

active

059967617

ABSTRACT:
A frictional resistance between a spring seat and a retaining plate is suppressed to provide stable damper characteristics. A lockup damper mechanism 2 of a torque converter 1 is operable to transmit a torque from a front cover 3 to a turbine 5 and, at the same time, damp a vibration, and includes a piston 17, a driven plate 20, torsion springs 21, a retaining plate 19, spring seats 32 and balls 30. The torsion springs 21 elastically couples, in a rotating direction, the piston 17 and the driven plate 20 together. The retaining plate 19 restricts radially outward movement of the torsion springs 21. The spring seats 32 supports ends of the torsion springs 21. The balls 30 are contactable with the retaining plate 21, and are disposed between the retaining plate 21 and the spring seat 32.

REFERENCES:
patent: 4430064 (1984-02-01), Lamarche
patent: 4572339 (1986-02-01), Koshimo
patent: 4790792 (1988-12-01), Bopp

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