Imbalance tolerant drive system for a rotating apparatus

Details Imbalance tolerant drive system for a rotating apparatus Imbalance tolerant drive system for a rotating apparatus

1997-01-28

1999-07-13

Jeffery, John A.

Machine element or mechanism

Elements

Flywheel, motion smoothing-type

494 82, F16F 1510, B04B 914

Patent

active

059211504

ABSTRACT:
A rotating apparatus including a shaft having a rotor mounting location disposed at a predetermined position on the shaft, the rotor mounting location subdividing the shaft into a first and a second portion, a motor for rotating the shaft connected to the first portion of the shaft, a tachometer for monitoring the rotational speed of the shaft; and a stabilizer connected to the second portion of the shaft and responsive to the tachometer for imposing an axially directed force on the shaft, to minimize vibration of the shaft at critical rotational speeds.

REFERENCES:
patent: 3938354 (1976-02-01), Lehman
patent: 4236426 (1980-12-01), Meinke et al.
patent: 4846773 (1989-07-01), Giebeler et al.
patent: 5026341 (1991-06-01), Giebeler
patent: 5291975 (1994-03-01), Johnson et al.
Article entitled "Magnetostrictive Transducers Would Sense and Damp Vibrations" as appeared in Nasa Tech Briefs, vol. 20 No. 10, Oct. 1996, pp. 42, 44.
Article entitled Smoothing Out Bad Vibes by David L. Platus as appeared in Machine Design, Feb. 26, 1993, pp. 123-126; 128; 130.

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