Damping device for a rotating machine

Details Damping device for a rotating machine Damping device for a rotating machine

1997-03-03

1998-09-08

Kwon, John T.

Rotary kinetic fluid motors or pumps

With shaft connected fluid force subjected thrust balancing...

415107, F01D 304

Patent

active

058037080

ABSTRACT:
A damping device is provided for damping the vibration of a rotatable shaft. The shaft has a shaft end portion and a detachable thrust collar. The thrust collar has an elongated portion which extends in the direction of the axis of the rotatable shaft and is hollow. Further, the elongated portion overhangs the shaft end portion. The damping device also has a stationary portion which is associated with the elongated portion of the thrust collar.

REFERENCES:
patent: 3989409 (1976-11-01), Ioannesian
patent: 4475869 (1984-10-01), Davies
patent: 5127792 (1992-07-01), Katsuta et al.
patent: 5531564 (1996-07-01), Anttonen et al.

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