Damped railway wheel

Details Damped railway wheel Damped railway wheel

1980-10-14

1982-11-09

Reeves, Robert B.

Railway wheels and axles

Wheels

Sound deadeners

74443, 295 15, 301 5B, 301 6WB, B60B 704, B60B 1700, B60B 1900, F16H 5514

Patent

active

043581480

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 coaxial with the wheel axis. An annular metal ring formed from a channel member generally U-shaped in cross-section is positioned with one of its legs within the annular groove substantially encased therein by a vibration damping material. The remainder of the channel member extends close to areas of the wheel that are adjacent to the groove, and vibration damping material is sandwiched between the wheel and the channel member. Vibration damping material subject to shear deformation during rotation of the wheel is used, along with vibration damping material subject to deformation in tension and compression.

REFERENCES:
patent: 734417 (1903-07-01), Hubbell
patent: 1695529 (1928-12-01), Brownyer
patent: 1804906 (1931-05-01), Wemp
patent: 1972678 (1934-09-01), Bourdon
patent: 3080771 (1963-03-01), Baldwin
patent: 3126760 (1964-03-01), Peirce
patent: 3377097 (1968-04-01), Swanson
patent: 3890008 (1975-06-01), Lejeune
patent: 4183572 (1980-01-01), Albrecht et al.
patent: 4254985 (1981-03-01), Kirschner
Kirschner, Francis; "New Developments in the Control of Railroad Wheel Screech Noise"; Inter-Noise 72 Proceedings, Oct. 4-6, 1972, pp. 225-230.
Kirschner, F.; "New Materials for Vibration Damping Control"; Inter-Noise 75; Aug. 27-29, 1975; pp. 499-506.

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