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.

Date of Patent:
Jun. 25, 2024

Filed:

Aug. 22, 2023
Applicant:

Hitachi Energy Ltd, Zürich, CH;

Inventors:

Borislav Vasilev, Sofia, BG;

Georgi Manev, Sofia, BG;

Todor Kokev, Sofia, BG;

Angel Mihaylov, Plovdiv, BG;

Assignee:

HITACHI ENERGY LTD, Zürich, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 9/00 (2006.01); H01H 1/44 (2006.01); H01H 1/50 (2006.01); H01H 1/16 (2006.01);
U.S. Cl.
CPC ...
H01H 9/0016 (2013.01); H01H 1/44 (2013.01); H01H 1/50 (2013.01); H01H 1/16 (2013.01);
Abstract

A contact unit for an on-load tap changer includes a connector body and a contact holder coupled to each other, wherein the connector body is configured to connect the contact holder to a contact of the on-load tap changer. The contact unit further includes a contact element coupled to the contact holder and configured to make electrical contact to a contact element of a contact device for the on-load tap changer. The contact unit further includes drive and guiding features coupled to the contact holder such that the contact element is movable driven and linearly guided in a direction away from the connector body.


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