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:
Nov. 11, 2025
Filed:
Jul. 19, 2023
Hitachi Energy Ltd, Zürich, CH;
Per Krainer, Borlänge, SE;
Christer Arnborg, Gävle, SE;
Jean Louis Gérard Mathae, Ludvika, SE;
Daniel Forsman, Elverum, NO;
HITACHI ENERGY LTD, Zürich, CH;
Abstract
A tap changer arrangement including a tap changer housing having a longitudinal extension along a first axis, wherein the tap changer housing comprises a first interface part fixedly attachable to a support structure of a transformer tank, a second interface part at a distal part of the tap changer housing, and an intermediate housing part arranged between the first interface part and the second interface part, the first interface part, the intermediate housing part and the second interface part being arranged on the first axis. The tap changer arrangement includes a plurality of support elements that is mechanically connected to the second interface part and either mechanically connected to the first interface part or to a support structure of the transformer tank, the support elements being configured to exert a compressive force on the intermediate housing part from the first interface part and from the second interface part.