Emergency disconnector for fluid loading and unloading lines

Details Emergency disconnector for fluid loading and unloading lines Emergency disconnector for fluid loading and unloading lines

1982-11-24

1985-04-23

Chambers, A. Michael

Fluid handling

Systems

Flow path with serial valves and/or closures

251332, F16L 3728

Patent

active

045123691

ABSTRACT:
An emergency line disconnector for an LNG loading/unloading line or the like is made capable of accommodating bi-directional fluid flow. Sliders within the fluid passageways are arranged such that a substantially uniform cross-sectional flow path is provided for the fluid. Sealing devices are mounted on the sliders to cut off fluid flow through the device, and such devices are designed so as to be resiliently operable at the extremely low temperatures of LNG. To dissipate the fluid shock due to rapid closure of the device, a fluid shock absorber employing restrictive passageways may be used to slow the advance of the sliders to their cut-off positions.

REFERENCES:
patent: 2957504 (1960-10-01), Botkin
patent: 3035857 (1962-05-01), Williamson
patent: 3215161 (1965-11-01), Goodwin et al.
patent: 3330527 (1967-07-01), Nurkiewicz
patent: 3842614 (1974-10-01), Karcher et al.
patent: 3871404 (1975-03-01), Courant
patent: 3892418 (1975-07-01), Felt
patent: 4222411 (1980-09-01), Hergan et al.
patent: 4392513 (1983-07-01), Parrish

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