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:
Apr. 18, 2023
Filed:
Dec. 31, 2018
Applicant:
Hitachi Energy Switzerland Ag, Baden, CH;
Inventors:
Luiz Cheim, Raleigh, NC (US);
Pierre Lorin, Savièse, CH;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 27/10 (2006.01); H01F 27/40 (2006.01); G01K 13/00 (2021.01); G01N 33/28 (2006.01); H01F 27/02 (2006.01); H01F 27/28 (2006.01);
U.S. Cl.
CPC ...
H01F 27/402 (2013.01); G01K 13/00 (2013.01); G01N 33/2841 (2013.01); G01N 33/2847 (2013.01); H01F 27/02 (2013.01); H01F 27/10 (2013.01); H01F 27/28 (2013.01);
Abstract
A transformer includes a tank with an insulating fluid, a radiator for cooling the insulating fluid, and one or more sensors arranged to measure insulating fluid properties in a location where the insulating fluid has a lower temperature.