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Title: Value for controlling flow of cryogenic fluid

Abstract

A valve is provided for accurately controlling the flow of cryogenic fluids such as liquid nitrogen. The valve comprises a combination of disc and needle valves affixed to a valve stem in such a manner that the disc and needle are free to rotate about the stem, but are constrained in lateral and vertical movements. This arrangement provides accurate and precise fluid flow control and positive fluid isolation.

Inventors:
 [1]
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  1. Moore, ID
Issue Date:
Research Org.:
Westinghouse Electric Corp., Pittsburgh, PA (United States)
OSTI Identifier:
870751
Patent Number(s):
5586745
Assignee:
United States of America as represented by United States (Washington, DC)
Patent Classifications (CPCs):
F - MECHANICAL ENGINEERING F16 - ENGINEERING ELEMENTS AND UNITS F16K - VALVES
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10S - TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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DOE Contract Number:  
AC11-89PN38014
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
value; controlling; flow; cryogenic; fluid; valve; provided; accurately; fluids; liquid; nitrogen; comprises; combination; disc; needle; valves; affixed; manner; free; rotate; constrained; lateral; vertical; movements; arrangement; provides; accurate; precise; control; positive; isolation; valve comprises; provides accurate; arrangement provides; flow control; fluid flow; cryogenic fluid; liquid nitrogen; vertical movement; needle valve; fluid isolation; accurately control; controlling flow; /251/

Citation Formats

Knapp, Philip A. Value for controlling flow of cryogenic fluid. United States: N. p., 1996. Web.
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Knapp, Philip A. Value for controlling flow of cryogenic fluid. United States.
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Knapp, Philip A. Mon . "Value for controlling flow of cryogenic fluid". United States. https://www.osti.gov/servlets/purl/870751.
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@article{osti_870751,
title = {Value for controlling flow of cryogenic fluid},
author = {Knapp, Philip A},
abstractNote = {A valve is provided for accurately controlling the flow of cryogenic fluids such as liquid nitrogen. The valve comprises a combination of disc and needle valves affixed to a valve stem in such a manner that the disc and needle are free to rotate about the stem, but are constrained in lateral and vertical movements. This arrangement provides accurate and precise fluid flow control and positive fluid isolation.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1996},
month = {1}
}
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