Fluid damped elastomeric bushing

Details Fluid damped elastomeric bushing Fluid damped elastomeric bushing

1988-06-22

1989-08-29

Kashnikow, Andres

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

2671412, 267 35, 267293, F16F 148

Patent

active

048610046

ABSTRACT:
A fluid-damped elastomeric bushing of the invention comprises an inner sleeve and an outer sleeve in a concentric or eccentric relation, an elastric member provided between the inner and outer sleeve, a plurality of liquid chambers or compartments provided in the central portion of the elastic member with respect to the axial direction of the sleeve, the liquid compartments being arranged along the circumference at specified intervals, and orifices to communicate at least the adjacent liquid compartments with each other. The elastic compartment wall of the elastic member has a portion bent toward the interior of the liquid compartment. A central part of the elastic compartment wall may have its thickness reduced relative to the other part.

REFERENCES:
patent: 3698703 (1972-10-01), Hipsher
patent: 4705410 (1987-11-01), von Broock
patent: 4746104 (1988-05-01), Probst
patent: 4749173 (1988-06-01), Kanda
patent: 4771990 (1988-09-01), Domer et al.

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