Pipe snubber including reservoir and seal structure

Details Pipe snubber including reservoir and seal structure Pipe snubber including reservoir and seal structure

1977-03-11

1980-01-08

Halvosa, George E. A.

Brakes

Internal-resistance motion retarder

Having a thrust member with a variable volume chamber

74 182, 188268, 188314, 188322, F16F 920

Patent

active

041824415

ABSTRACT:
A pipe hanger/snubber for supporting and/or protecting high-pressure piping and the like against damage by seismic, vibrational, and thermal shocks to the mechanical integrity of the piping system. The apparatus includes a sealed snubber cylinder containing a non-Newtonian fluid as the hydraulic fluid medium. A working shaft extends completely through the snubber cylinder. A shaft-mounted, perforate load nozzle is moved longitudinally through the non-Newtonian fluid in the snubber cylinder to thereby dissipate the shock forces. Shaft-engaging seals at each end of the snubber cylinder inhibit leakage of the non-Newtonian fluid from the snubber cylinder. Selectively, reservoir apparatus containing non-Newtonian fluid are provided adjacent at least one seal to compensate for leakage, if any, of the non-Newtonian fluid through the seal. The reservoir apparatus are provided with leakproof closures and, selectively, compression/expansion apparatus to compensate for volume changes imposed on the non-Newtonian fluid in the reservoir apparatus.

REFERENCES:
patent: 2314404 (1943-03-01), Katcher
patent: 2713401 (1955-07-01), Serste et al.
patent: 3151856 (1964-10-01), Bresk et al.
patent: 3666256 (1972-05-01), Ellis et al.
Spooner, L. W., Silicone Putty as an Engineering Material, Product Engineering, Jan. 1950, pp. 90-93.

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