Liquid filled type vibration isolating device

Details Liquid filled type vibration isolating device Liquid filled type vibration isolating device

1996-03-27

1997-08-05

Williams, Hezron E.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

26714015, 267219, F16F 908, F16M 100

Patent

active

056534272

ABSTRACT:
In a vibration isolating device, a main chamber has a part of a wall constituted by a first elastic member to be deformed by input vibration and is filled with liquid, and a sub chamber has a part of a wall constituted by a second elastic member and is filled with liquid, and the main chamber communicates with the sub chamber through a main flow path. A liquid pressure adjusting plate is installed within the main chamber and divides the main chamber into a first chamber and a second chamber and vibrates in an opposite phase to that of the input vibration. The first chamber communicates with the second chamber through a sub flow path and the dimensions of the sub flow path is set so that the sub flow path is choked during high frequency vibration of the liquid pressure adjusting plate.

REFERENCES:
patent: 4779585 (1988-10-01), Behrens et al.
patent: 5037071 (1991-08-01), Takano et al.
patent: 5092566 (1992-03-01), Freudenberg
patent: 5297781 (1994-03-01), Gennesseaux
patent: 5356123 (1994-10-01), Hamada et al.
patent: 5439204 (1995-08-01), Yamazoe et al.
patent: 5516084 (1996-05-01), Rizzo

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