Dual-mass flywheel

Details Dual-mass flywheel Dual-mass flywheel

2004-07-23

2008-11-04

MacArthur, Victor (Department: 3679)

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

Torque transmitted via flexible element

Coil spring

C192S070170

Reexamination Certificate

active

07445552

ABSTRACT:
A flywheel assembly with an improved bearing structure is provided. The flywheel damper (11) is a flywheel assembly for transmitting torque from the crankshaft of an engine, and has a first flywheel assembly (4), a second flywheel assembly (5), a damper mechanism (6), and a needle bearing (43). The first flywheel assembly (4) is fixed to the crankshaft (2). The second flywheel assembly (5) is disposed so as to be able to rotate relative to the first flywheel assembly (4). The damper mechanism (6) elastically connects the second flywheel assembly (5) to the crankshaft (2) in the rotation direction. The needle bearing (43) is a bearing to support rotatably the second flywheel assembly (5) on the crankshaft (2), and has a plurality of needles (44) disposed between the peripheral surfaces (21d) and (37b) of both members.

REFERENCES:
patent: 4662239 (1987-05-01), Worner et al.
patent: 5293978 (1994-03-01), Reik et al.
patent: 5533815 (1996-07-01), Schierling et al.
patent: 5622245 (1997-04-01), Reik et al.
patent: 5795080 (1998-08-01), Fujiwara et al.
patent: 5823311 (1998-10-01), Mokdad et al.
patent: H11-287297 (1999-10-01), None
patent: 0206541 (2000-12-01), None

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