Damping ring for rotating assemblies

Details Damping ring for rotating assemblies Damping ring for rotating assemblies

1979-03-23

1981-03-10

Bertsch, Richard A.

Railway wheels and axles

Wheels

Sound deadeners

295 6, 74443, B60D 704, B60D 1700, F16H 5514

Patent

active

042549850

ABSTRACT:
A vibration damping assembly for a wheel or the like that undergoes rotation is achieved by providing an annular groove in a surface of the wheel which is coaxial with the axis of the wheel. A viscoelastic damping material subject to shear deformation during rotation of the wheel is positioned within the groove against the surface of the groove, and an annular metal ring is positioned in the groove against the viscoelastic damping material with the damping material sandwiched between the ring and wheel.

REFERENCES:
patent: 1136839 (1915-04-01), Seidel
patent: 1813820 (1931-07-01), Ross
patent: 2267311 (1941-12-01), Smith
patent: 2605132 (1952-07-01), Watter
patent: 3377097 (1968-04-01), Swanson
patent: 3843188 (1974-10-01), Kirschner
Materials for Constrained-Layer Damping, Published by the Soundcoat Company, Inc., Brooklyn, New York.
New Developments in the Control of Railroad Wheel Screech Noise, Oct. 4-6, 1972, pp. 225-230, Internoise 72 Proceedings.
New Materials for Vibration Damping Control, Aug. 27-29, 1975, Inter-Noise 1975.

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