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. 20, 2018
Filed:
Sep. 09, 2013
Medium- or high-voltage electrical appliance having a low environmental impact and hybrid insulation
Applicant:
Alstom Technology Ltd., Baden, CH;
Inventors:
Assignee:
ALSTOM TECHNOLOGY LTD, Baden, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B 3/56 (2006.01); H01H 33/22 (2006.01); H02B 13/055 (2006.01); H02B 7/01 (2006.01); H01H 33/56 (2006.01);
U.S. Cl.
CPC ...
H01B 3/56 (2013.01); H01H 33/22 (2013.01); H02B 7/01 (2013.01); H02B 13/055 (2013.01); H01H 2033/566 (2013.01);
Abstract
The present invention relates to medium- or high-voltage equipment having low environmental impact, including a leaktight enclosure in which there are located electrical components covered with a solid dielectric layer of varying thickness and a gaseous medium for providing electrical insulation and/or for extinguishing electric arcs that are likely to occur in said enclosure, and that comprises heptafluoroisobutyronitrile in a mixture with a dilution gas.