Viscous damper for smoothing torsional and bending vibrations in

Details Viscous damper for smoothing torsional and bending vibrations in Viscous damper for smoothing torsional and bending vibrations in

1976-03-01

1977-08-30

Scott, Samuel

Machine element or mechanism

Elements

Flywheel, motion smoothing-type

F16F 1510

Patent

active

040446271

ABSTRACT:
A viscous vibration damper has a housing mountable on a rotatable shaft such as an engine crankshaft and retaining an annular flywheel weight in a viscous fluid filled sealed chamber. The flywheel is freely movable circumferentially and has sufficient radial clearance to permit substantial lateral movement within the housing, but has axially oppositely facing working surfaces in close shear film spaced relation to confronting surfaces of the housing so as to provide viscous damping for both torsional and radial (or lateral) vibrations. Springs are provided which radially urge the flywheel weight toward a centered position in the chamber and also contribute to the damping effect. The arrangement provides torsional damping and also damps bending vibrations of the connected shaft which result in radial oscillations of the attached housing.

REFERENCES:
patent: 2636399 (1953-04-01), O'Connor
patent: 2834225 (1958-05-01), Carter et al.
patent: 3280654 (1966-10-01), Arnt, Jr.
patent: 3448530 (1969-06-01), Desmond
patent: 3552230 (1971-01-01), McLean

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