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. 10, 2026
Filed:
Mar. 01, 2022
Abb Schweiz Ag, Baden, CH;
Alexandra Popovic Sandberg, Västerås, SE;
Christian Payerl, Arboga, SE;
ABB SCHWEIZ AG, Baden, CH;
Abstract
A method for fault protection of a terminal box of an electric rotating machine, and an arrangement including a terminal box for an electric rotating machine for electrically connecting the electric rotating machine to an electric system for transmitting electric power between the electric system and the electric rotating machine in one or more phases via the terminal box, a detection means configured to detect an electric arc inside the terminal box, and a switching means configured to electrically connect each of the one or more phases to earth in response to the detection means detecting the electric arc inside the terminal box or in response to the detection means detecting the electric arc inside the terminal box and one or more predetermined conditions being satisfied.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile