Vibration attenuation

Details Vibration attenuation Vibration attenuation

1987-03-31

1989-10-24

Kashnikow, Andres

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

267 6428, 2671411, 267218, 267219, 248567, F16F 908, F16F 943

Patent

active

048756644

ABSTRACT:
For use, for example, in mounting a personnel accommodation module on an offshore drilling rig to attenuate the transmission of vibration use is made of an anti-vibration mounting comprising a rigid fluid container having an opening, a rigid support member for closing at least a part of that opening, a flexible seal comprising at least one element of elastomeric material arranged to extend between confronting surfaces of the fluid container and rigid support member thereby to form a fluid chamber within the anti-vibration mounting, liquid supply passage for the flow of liquid to and from that chamber, and gas supply passage for the flow of gas to and from that chamber, the liquid and gas supply passage being independent of one another whereby the quantities of liquid and gas within the chamber may be varied independently by flow through the passage.

REFERENCES:
patent: 2496770 (1950-02-01), Bennett
patent: 3282542 (1966-11-01), Hutchinson et al.
patent: 3940098 (1976-02-01), Takasaki et al.
patent: 4147319 (1979-04-01), Tsybulnik et al.
patent: 4632370 (1986-12-01), Ticks et al.
patent: 4653734 (1987-03-01), Jordens
patent: 4679759 (1987-07-01), Ford
patent: 4688776 (1987-08-01), Lecour et al.
patent: 4770396 (1988-09-01), Jouade
French Search Report.

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