Valve mechanism for low temperature applications

Details Valve mechanism for low temperature applications Valve mechanism for low temperature applications

1982-02-23

1985-05-14

Schwadron, Martin P.

Fluid handling

With casing, support, protector or static constructional...

Jacketed

137522, 137540, 251 612, 92 49, F16L 700

Patent

active

045165998

ABSTRACT:
A valve mechanism for low temperature applications comprising an outlet for a low temperature fluid, valve means for opening and closing said outlet, an axially movable rod having one end secured to said valve means and the other end extending outwardly to a normal temperature zone, means for holding said rod, resilient means located in said normal temperature zone for urging said rod toward a position wherein said outlet is closed by said valve means, and means for selectively applying a pressurized fluid to said rod to exert a force counter to said resilient means, whereby said rod and valve means may be displaced and said outlet opened.

REFERENCES:
patent: 2456165 (1948-12-01), Yuza
patent: 3100399 (1963-08-01), Robins
patent: 3143134 (1964-08-01), Karpis
patent: 3195564 (1965-07-01), Carney et al.
patent: 3339888 (1967-09-01), Dumm
patent: 3358463 (1967-12-01), Hawkins et al.
patent: 4442859 (1984-04-01), Gentry
Francois et al.--"Control of Pressurized Superfluid Helium-II: Application to Loss Analysis" Advances in Cryogenic Engineering, vol. 25.
Vander Arend et al.--"A Large-Scale Pumped and Subcooled Liquid . . . ", Advances in Cryogenic Engineering, vol. 21, (1977).

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