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:
Sep. 06, 2016
Filed:
Oct. 10, 2014
Applicant:
Abb Oy, Helsinki, FI;
Inventors:
Harri Mattlar, Iskmo, FI;
Mikko Välivainio, Vaasa, FI;
Assignee:
ABB OY, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 9/44 (2006.01); H01H 9/36 (2006.01); H01H 73/04 (2006.01);
U.S. Cl.
CPC ...
H01H 9/443 (2013.01); H01H 9/36 (2013.01); H01H 9/362 (2013.01); H01H 73/045 (2013.01); H01H 2009/365 (2013.01);
Abstract
An electric switch includes a movable contact, a stationary contact to be contacted by the movable contact, one or more quenching plates, and a permanent magnet for directing an arc, which is formed when the contacts are separated from each other, to the quenching plate. The quenching plate has a base portion and side portions extending away from the base portion. The permanent magnet is arranged such that the arc is directed towards one of the side portions of the quenching plate.