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:
Dec. 07, 2021
Filed:
Oct. 17, 2019
Applicant:
Hitachi Energy Switzerland Ag, Baden, CH;
Inventor:
Manoj Pradhan, Bålsta, SE;
Assignee:
Hitachi Energy Switzerland AG, Baden, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/22 (2006.01);
U.S. Cl.
CPC ...
G01N 27/223 (2013.01); G01N 27/226 (2013.01);
Abstract
An electrical device including: voltage carrying components, a solid insulation system configured to electrically insulate the voltage carrying components, and a moisture sensor configured to detect moisture in the solid insulation system, wherein the moisture sensor includes: a capacitor having: a first electrode, a second electrode, and a dielectric material arranged between the first electrode and the second electrode, wherein the solid insulation system forms the dielectric material, the capacitance of the capacitor providing an indication of a moisture level in the dielectric material.