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:
Jun. 21, 2022
Filed:
Feb. 28, 2020
Applicant:
Hitachi Energy Switzerland Ag, Baden, CH;
Inventors:
Tor Laneryd, Enköping, SE;
Joachim Schiessling, Enköping, SE;
Assignee:
HITACHI ENERGY SWITZERLAND AG, Baden, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01K 7/42 (2006.01); H01B 17/26 (2006.01); G01F 23/26 (2022.01); G01R 31/12 (2020.01);
U.S. Cl.
CPC ...
G01K 7/427 (2013.01); G01F 23/26 (2013.01); H01B 17/26 (2013.01); G01R 31/1245 (2013.01);
Abstract
A high voltage system including: a high voltage bushing having a bushing body configured to be assembled with a tank filled with a dielectric liquid wherein the bushing body has a cavity, and the bushing includes a dielectric liquid level sensor configured to measure a dielectric liquid level in the cavity, and a temperature distribution determining device configured to determine a heat distribution in the bushing based on the dielectric liquid level measured by the dielectric liquid level sensor.