Valve for controlling flow of cryogenic fluid

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Description

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.

Physical Description

10 p.

Creation Information

Knapp, P.A. December 31, 1995.

Context

This patent is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 23 times. More information about this patent can be viewed below.

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Description

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.

Physical Description

10 p.

Notes

OSTI as DE97009507

Source

  • Other Information: PBD: 1995

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  • Other: DE97009507
  • Report No.: PATENTS-US--A8462338
  • Grant Number: AC11-89PN38014
  • Office of Scientific & Technical Information Report Number: 555455
  • Archival Resource Key: ark:/67531/metadc692007

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • December 31, 1995

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

Description Last Updated

  • March 13, 2019, 12:10 p.m.

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Knapp, P.A. Valve for controlling flow of cryogenic fluid, patent, December 31, 1995; United States. (https://digital.library.unt.edu/ark:/67531/metadc692007/: accessed September 17, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.