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. 02, 2025
Filed:
Feb. 18, 2021
Applicant:
Hitachi Energy Ltd, Zürich, CH;
Inventors:
Lukasz Michalski, Lodz, PL;
Pawel Klys, Lodz, PL;
Robert Daszkiewicz, Lodz, PL;
Adam Stelmasiak, Lodz, PL;
Assignee:
HITACHI ENERGY LTD, Zürich, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 27/24 (2006.01); H01F 27/06 (2006.01); H01F 27/32 (2006.01);
U.S. Cl.
CPC ...
H01F 27/06 (2013.01); H01F 27/24 (2013.01); H01F 27/327 (2013.01);
Abstract
A transformer core frame is provided with a reinforcement structure to form a reinforced transformer core frame. The reinforcement structure comprises one or several reinforcement panels comprising a honeycomb structure and affixed to the transformer core frame. A method of producing a reinforced transformer core frame is also described.