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:
Oct. 04, 2022
Filed:
Sep. 07, 2018
General Electric Technology Gmbh, Baden, CH;
Yannick Kieffel, Villeurbanne, FR;
François Biquez, Villeurbanne, FR;
General Electric Technology Gmbh, Baden, CH;
Abstract
The invention relates to an electric arc-blast nozzle () for a circuit breaker comprising a middle portion () forming a throat defining internally an axial passage () for interrupting an electric arc, and two end portions () extending on either side of the middle portion () and being designed to receive respective arcing contacts () and () that are movable axially relative to each other. The middle portion () and the two end portions () are made of a same dielectric material obtained from a composition comprising a fluorocarbon polymer matrix, at least one inorganic filler and micro-capsules of liquid heptafluoro-iso-butyronitrile. The invention also relates to a circuit breaker including such a nozzle ().