Vibration absorber

Details Vibration absorber Vibration absorber

1988-11-30

1990-05-22

Halvosa, George E. A.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

180312, 248562, 248636, F16F 1300

Patent

active

049271229

ABSTRACT:
A vibration damper comprising a housing containing two bell-shaped membranes of resiliently deformable material facing one another, and defining a single liquid filled chamber. The damper is interposed between two devices to be isolated, one of such devices being affixed to the housing and the other being affixed to a rod, which passes between both membranes, with a circular washer shaped element located between the tops of the bells of the membranes. Upon movement of the rod and deformation of the membranes the liquid is subjected to friction due to shearing of the fluid against the housing due to the movement of the washer through the liquid in a non-throttling arrangement.

REFERENCES:
patent: 3698703 (1972-10-01), Hipsher
patent: 3874646 (1975-04-01), Vernier
patent: 4086984 (1978-05-01), Johansson
patent: 4458888 (1984-07-01), Wolf et al.
patent: 4468016 (1984-08-01), Pineau
patent: 4610438 (1986-09-01), Eberhard et al.
patent: 4641817 (1987-02-01), Clark et al.
patent: 4741519 (1988-05-01), Dubos et al.
patent: 4789144 (1988-12-01), Brenner

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