Patent ID: 8087648
Filing Date: 2012-01-03
Classification: F16F

Abstract:
1. A hydraulic bushing for providing radial and axial damping, said hydraulic bushing comprising: an inner sleeve dimensioned to accept a cylindrical member; a damping member mounted over said inner sleeve such that loads imposed upon said sleeve are transmitted to said damping member; said damping member including a bellows having a pair of arcuately spaced, axially extending chambers extending axially oppositely from each other and with each of said chambers open at opposite ends of said bellows and closed at the end opposite the open end; said damping member being provided with a pair of axially spaced arcuate chambers, each of said axially extending chambers being fluidly connected with each other and with a different one of said arcuate chambers; and said chambers being provided with a fluid and being fluidly connected to one another whereby an axial load imposed on said sleeve is opposed by fluid in said axially extending chambers and a radial load on said sleeve is opposed by fluid in said arcuate chambers.