Fluid-filled elastic mount including resonance member disposed i

Details Fluid-filled elastic mount including resonance member disposed i Fluid-filled elastic mount including resonance member disposed i

1996-01-23

1997-05-27

Oberleitner, Robert J.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

248562, F16M 500, B60K 512

Patent

active

056324723

ABSTRACT:
Fluid-filled elastic mount wherein first and second mounting members are connected by an elastic body which partially defines a fluid space in which a resonance member is disposed while being supported by the first mounting member such that an outer annular portion of the resonance member cooperates with the inner surface of the fluid space to define an annular fluid passage and such that the annular portion is abuttable on a stop portion provided on the second mounting member, the resonance member including an inner portion fixed to the first mounting member, and an intermediate portion connecting the inner and annular portions such that the inner and outer portions are spaced apart from each other in a load-receiving direction, the intermediate portion having fluid passages having a total fluid communication area not smaller than three quarters of the surface area of the intermediate portion, which surface area is not smaller than a half of the surface area of the resonance member.

REFERENCES:
patent: 4660812 (1987-04-01), Dan et al.
patent: 4742999 (1988-05-01), Flower
patent: 4762309 (1988-08-01), Hutchins
patent: 4826126 (1989-05-01), Katayama et al.
patent: 4872652 (1989-10-01), Rohner et al.
patent: 4886252 (1989-12-01), Haussermann
patent: 4997168 (1991-03-01), Kato
patent: 5180148 (1993-01-01), Muramatsu

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