Fluid-filled bushing

Details Fluid-filled bushing Fluid-filled bushing

1987-10-26

1989-03-14

Kashnikow, Andres

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

248562, 267 35, 2671405, F16F 500

Patent

active

048119334

ABSTRACT:
A fluid-filled bushing comprises an outer tube, an inner tube disposed coaxially in the outer tube, a plurality of resilient members disposed between the outer and inner tubes and defining a fluid chamber therebetween, and a closure member disposed in the fluid chamber and having a base fitted in the outer tube and a support disposed around the inner tube and supporting the inner tube swingably and axially slidably, the closure member dividing the fluid chamber into a plurality of fluid chambers. The closure member has a valve mechanism for varying the rate of fluid communication between the divided fluid chambers. The resilient members include two substantially annular resilient partitions positioned coaxially and axially symmetrically with respect to the closure member positioned between the resilient partitions.

REFERENCES:
patent: 2582998 (1952-01-01), Lee
patent: 4632372 (1986-12-01), Nakajima et al.
patent: 4687188 (1987-08-01), Knurek et al.

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