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:
Sep. 08, 2020
Filed:
Nov. 29, 2016
Applicant:
General Electric Technology Gmbh, Baden, CH;
Inventors:
Yannick Kieffel, Saint Jean de Bournay, FR;
François Biquez, Pugny-Chatenod, FR;
Jacques Porte, Lyons, FR;
Assignee:
General Electric Technology GmbH, Baden, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B 3/56 (2006.01); F17C 5/06 (2006.01); H01H 33/56 (2006.01); G05D 16/20 (2006.01); G05D 16/02 (2006.01); F17C 13/02 (2006.01); H02B 13/055 (2006.01);
U.S. Cl.
CPC ...
H01B 3/56 (2013.01); F17C 5/06 (2013.01); F17C 13/028 (2013.01); G05D 16/02 (2013.01); G05D 16/20 (2013.01); G05D 16/2013 (2013.01); H01H 33/56 (2013.01); H01H 33/562 (2013.01); H01H 33/563 (2013.01); F17C 2227/0304 (2013.01); F17C 2227/0325 (2013.01); H01H 2033/566 (2013.01); H01H 2033/568 (2013.01); H02B 13/055 (2013.01);
Abstract
A method and a facility for filling a high- or medium-voltage gas-insulated electrical apparatus in which the insulating gas comprises a mixture of heptafluoroisobutyronitrile ((CF)CFCN) and carbon dioxide. The method and the facility using a mixture of (CF)CFCN and COin pressurised liquid form which is heated to a temperature no lower than the critical temperature of the mixture.