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:
May. 05, 2026
Filed:
Aug. 28, 2023
Hitachi Energy Ltd, Zürich, CH;
Jean Louis Gérard Mathae, Ludvika, SE;
Hitachi Energy Ltd, Zurich, CH;
Abstract
An electrical switch for an on-load tap changer, said electrical switch comprising: at least three electrical contacts connected to a respective electrical conductor, a switch means configured to be movable between a plurality of positions, the switch means in each respective position physically contacting a respective combination of said electrical contacts to provide electrical contact between the electrical contacts in each respective combination of electrical contacts, the switch means including two electrically interconnected contacts or contact surfaces provided on a movable carrier element mounted on the operating member for movement along a said arcuate path, and the contacts or contact surfaces being provided at a same radial distance from the rotational axis and with a same spacing as the electrical contacts of each respective combination of electrical contacts.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile