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:
Dec. 05, 2023
Filed:
Apr. 19, 2018
Applicant:
Abb S.p.a., Milan, IT;
Inventors:
Pierantonio Arrighetti, Bossico, IT;
Antonello Antoniazzi, Milan, IT;
Alessandro Adami, Bergamo, IT;
Daniele Torresin, Birmenstorf, CH;
Francesco Agostini, Zurich, CH;
Assignee:
ABB S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 9/34 (2006.01); H01H 73/18 (2006.01);
U.S. Cl.
CPC ...
H01H 9/342 (2013.01); H01H 73/18 (2013.01); H01H 2009/347 (2013.01);
Abstract
An arc chamber for a low voltage switching device including an insulating casing, having a first and a second lateral walls, a rear and a front wall, that defines an internal space housing a number or arc-breaking plates, a top wall of the casing having a discharge opening for venting off the gases from the internal space, the discharge opening being covered by a top cover. The arc chamber for a low voltage switching device includes a filter made of an open cell metal foam that is positioned at the discharge opening.