skip to main content
DOE Patents title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Refrigerated cryogenic envelope

Abstract

An elongated cryogenic envelope including an outer tube and an inner tube coaxially spaced within said inner tube so that the space therebetween forms a vacuum chamber for holding a vacuum. The inner and outer tubes are provided with means for expanding or contracting during thermal changes. A shield is located in the vacuum chamber intermediate the inner and outer tubes; and, a refrigeration tube for directing refrigeration to the shield is coiled about at least a portion of the inner tube within the vacuum chamber to permit the refrigeration tube to expand or contract along its length during thermal changes within said vacuum chamber.

Inventors:
 [1]
  1. Boulder, CO
Issue Date:
OSTI Identifier:
862699
Patent Number(s):
3992169
Application Number:
05/569,491
Assignee:
Cryogenic Technology, Inc. (Denver, CO)
Patent Classifications (CPCs):
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
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01B - CABLES
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
refrigerated; cryogenic; envelope; elongated; including; outer; tube; inner; coaxially; spaced; space; therebetween; forms; vacuum; chamber; holding; tubes; provided; means; expanding; contracting; thermal; changes; shield; located; intermediate; refrigeration; directing; coiled; portion; permit; expand; contract; length; refrigeration tube; inner tube; vacuum chamber; outer tube; outer tubes; axially spaced; space therebetween; tube coaxially; thermal changes; cryogenic envelope; /62/138/165/174/285/505/

Citation Formats

Loudon, John D. Refrigerated cryogenic envelope. United States: N. p., 1976. Web.
Loudon, John D. Refrigerated cryogenic envelope. United States.
Loudon, John D. Tue . "Refrigerated cryogenic envelope". United States. https://www.osti.gov/servlets/purl/862699.
@article{osti_862699,
title = {Refrigerated cryogenic envelope},
author = {Loudon, John D},
abstractNote = {An elongated cryogenic envelope including an outer tube and an inner tube coaxially spaced within said inner tube so that the space therebetween forms a vacuum chamber for holding a vacuum. The inner and outer tubes are provided with means for expanding or contracting during thermal changes. A shield is located in the vacuum chamber intermediate the inner and outer tubes; and, a refrigeration tube for directing refrigeration to the shield is coiled about at least a portion of the inner tube within the vacuum chamber to permit the refrigeration tube to expand or contract along its length during thermal changes within said vacuum chamber.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1976},
month = {11}
}

Patent:

Save / Share: