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:
Jul. 28, 2026
Filed:
Nov. 14, 2023
Hitachi Energy Ltd, Zürich, CH;
Hitachi Energy Ltd, Zürich, CH;
Abstract
The present disclosure provides a surge arrester module and a surge arrester including the surge arrester module. The surge arrester module includes a varistor stack, a pair of electrodes and a coupling assembly for coupling the pair of electrodes. The varistor stack includes multiple varistor blocks stacked along a longitudinal direction of the surge arrester module and is sandwiched the pair of electrodes. The coupling assembly includes at least one rod. Each rod includes a rod body extending in the longitudinal direction and at least one sleeve sleeved outside the rod body for attaching the rod to the electrode. The rod body is made of insulating material and includes a first interlocking portion in the form of a circumferential groove, wherein the groove lies within a plane having a normal vector parallel to the longitudinal direction.