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. 25, 2006
Filed:
Dec. 09, 2004
Gerhard Schneider, Blumberg, DE;
Siegfried Mayer, Gottmadingen, DE;
Norbert Papok, Lottstetten, DE;
ABB Schweiz AG, Baden, CH;
Abstract
The present invention relates to an arc-quenching device for circuit breakers having double-break contacts for use in low-voltage distribution systems. Provided around a prechamber () is a magnetic shield () for the purpose of intensifying the magnetic blowing action on an arc formed between the arc guide rails () of the prechamber. In addition, a blowing loop () is inserted in the arc-quenching circuit and extends in sections parallel to an arc guide rail (). Prechamber insulation having a bulge constricting the arc area likewise serves the purpose of optimizing the arc run.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile