Torque fluctuation absorbing device

Details Torque fluctuation absorbing device Torque fluctuation absorbing device

2008-05-27

2008-05-27

Binda, Greg (Department: 3679)

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Overload release coupling

Torque transmitted via frictional engagement of planar...

C464S068410

Reexamination Certificate

active

07377853

ABSTRACT:
A torque fluctuation absorbing device includes a damping mechanism connected with an input shaft of a transmission. The damping mechanism has an approximately annular-shaped frictional member, which is fixed to both surfaces of a disc disposed at outer peripheral portion. The torque fluctuation absorbing device further includes a flywheel for transmitting driving force from a driving power source, a first plate rotated with the flywheel and abutting on a first surface of the frictional member, a second plate abutting on a second surface of the frictional member, a coned disk spring for biasing the second plate against the frictional member, a supporting member rotated with the first plate and supporting the coned disk spring, and a plurality of fixation members for fixing the first plate with the supporting member. The first plate includes a reinforcement portion which reinforces rigidity of the first plate at an inner circumference portion located radially inwardly relative to the frictional member.

REFERENCES:
patent: 2100464 (1937-11-01), Almen et al.
patent: 2535842 (1950-12-01), Criley
patent: 2690243 (1954-09-01), Sherill, Jr. et al.
patent: 3323328 (1967-06-01), Montgomery
patent: 4222476 (1980-09-01), LeBrise
patent: 4842116 (1989-06-01), Fukushima
patent: 6026710 (2000-02-01), Orlamunder et al.
patent: 6582312 (2003-06-01), Suzuki et al.
patent: 2003/0087704 (2003-05-01), Takeuchi et al.
patent: 2003-194095 (2003-07-01), None
patent: WO 03/031840 (2003-04-01), None
European Patent Office Search Report dated Feb. 1, 2005.

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