The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 16, 2021
Filed:
Feb. 03, 2015
Applicant:
L'air Liquide, Societe Anonyme Pour L'etude ET L'exploitation Des Procedes Georges Claude, Paris, FR;
Inventors:
Patrice Cavagne, Le Perreux sur Marne, FR;
Frederic Crayssac, Velizy, FR;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F17C 13/00 (2006.01); F25J 3/04 (2006.01);
U.S. Cl.
CPC ...
F17C 13/001 (2013.01); F25J 3/0489 (2013.01); F25J 3/04945 (2013.01); F17C 2201/0109 (2013.01); F17C 2201/035 (2013.01); F17C 2201/052 (2013.01); F17C 2201/054 (2013.01); F17C 2203/014 (2013.01); F17C 2203/032 (2013.01); F17C 2203/035 (2013.01); F17C 2203/0341 (2013.01); F17C 2203/0379 (2013.01); F17C 2203/0391 (2013.01); F17C 2203/0607 (2013.01); F17C 2203/0629 (2013.01); F17C 2203/0639 (2013.01); F17C 2203/0643 (2013.01); F17C 2205/0107 (2013.01); F17C 2205/0111 (2013.01); F17C 2205/0176 (2013.01); F17C 2205/0192 (2013.01); F17C 2209/227 (2013.01); F17C 2221/033 (2013.01); F17C 2223/0161 (2013.01); F17C 2223/033 (2013.01); F17C 2270/0105 (2013.01); F25J 2210/42 (2013.01); Y02E 60/32 (2013.01);
Abstract
The invention relates to an insulated chamber comprising at least one element that may operate at sub-ambient temperature, the space around the element(s) being filled with solid insulation and means for injecting a gas containing at least 95 mol-% nitrogen into the insulation, at least some of the gas-injection means opening at a position vertically above at least one element to insulate.