Tuned dynamic vibration absorber

Details Tuned dynamic vibration absorber Tuned dynamic vibration absorber

1994-08-16

1997-06-10

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Rotary

H02K 3300

Patent

active

056379382

ABSTRACT:
A vibration absorber is provided for reducing noise and vibration emanating from an electric motor, or another vibrating object, and the surrounding structure to which it is mounted. The vibration absorber has a beam with a mass secured thereto. The vibration absorber is mounted externally to the motor, in a direction perpendicular to an axis of torsional vibration of the motor. The absorber is tuned to have a resonant frequency corresponding to the torsional vibrational frequency of the motor.

REFERENCES:
patent: 1834860 (1931-12-01), Morrill
patent: 1855570 (1932-04-01), Edison
patent: 2237916 (1941-04-01), Schwarz et al.
patent: 2484241 (1949-10-01), Mulheim
patent: 2953697 (1960-09-01), Wall
patent: 3270221 (1966-08-01), Shaffer
patent: 3337165 (1967-08-01), Kondo
patent: 3566993 (1971-03-01), Leatherwood
patent: 3668571 (1972-06-01), Sato
patent: 4661731 (1987-04-01), Wenz
patent: 4852848 (1989-08-01), Kucera
patent: 4959568 (1990-09-01), Stokes
Abstract of Japanese 59-9334 of Jan. 18, 1984.
Abstract of Japanese 55-119248 of Sep. 12, 1980.

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