Flywheel device with a seal

Details Flywheel device with a seal Flywheel device with a seal

1996-05-09

1999-08-03

Lillis, Eileen Dunn

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

Fluid coupling

464 68, 192208, F16D 314

Patent

active

059317353

ABSTRACT:
A flywheel device has a drive-side centrifugal mass and a second centrifugal mass, which is rotatable relative to the first centrifugal mass and is connected to the first centrifugal mass via a torsional damping device. At least one of the centrifugal masses has a grease chamber containing a viscous medium for accommodating, at least partially, the torsional damping device. A seal is associate with the grease chamber to hold back the viscous medium in the grease chamber. The seal is accommodated on one of the centrifugal masses and engages into the radial extension region of the other centrifugal mass. The seal extends into the grease chamber, and the side of the seal accessible to the viscous medium has an axial offset relative to the side facing the grease chamber of the wall that interacts with the seal of the centrifugal mass having the grease chamber. The axial offset is limited to the gap width, at least at the sealing point.

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patent: 5030167 (1991-07-01), Jackel
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patent: 5249659 (1993-10-01), Fukushima
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patent: 5433307 (1995-07-01), Jeppe
patent: 5487704 (1996-01-01), Friedmann et al.
patent: 5536208 (1996-07-01), Krumm
patent: 5569008 (1996-10-01), Schierling et al.
patent: 5617940 (1997-04-01), Fukushima et al.

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