Fluid-filled vibration damping device

Details Fluid-filled vibration damping device Fluid-filled vibration damping device

2008-01-01

2008-01-01

Nguyen, Xuan Lan (Department: 3683)

Spring devices

Resilient shock or vibration absorber

Diverse resistance to vibration along different axes

Reexamination Certificate

active

11211559

ABSTRACT:
A fluid-filled vibration damping device including: a rubber elastic body interposed between and elastically connecting an inner shaft and an outer cylinder; a pair of fluid chambers having an non-compressible fluid sealed therein and formed facing on both sides, in the inner shaft axis-perpendicular direction; an orifice passage through which the pair of fluid chambers communicate with each other; a through hole formed through the inner shaft in the axis-perpendicular direction; and a movable rubber layer fluid-tightly closing the through hole and being exposed at opposite major surfaces thereof to the pair of fluid chambers, respectively so that pressure in the respective fluid chambers are exerted against the major surfaces of the movable rubber layer.

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