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:
Jan. 19, 2021
Filed:
Apr. 16, 2019
Applicant:
Abb Oy, Helsinki, FI;
Inventors:
Fredrik Strand, Vaasa, FI;
Juha Soldan, Vaasa, FI;
Jukka Lintamo, Vaasa, FI;
Mikko Välivainio, Vaasa, FI;
Assignee:
ABB Oy, Helsinki, FI;
Primary Examiner:
Int. Cl.
CPC ...
H01H 9/34 (2006.01); H01H 9/36 (2006.01); H01H 9/44 (2006.01);
U.S. Cl.
CPC ...
H01H 9/443 (2013.01); H01H 9/346 (2013.01); H01H 9/362 (2013.01);
Abstract
An electrical switch. The electrical switch comprises at least one fixed contact, a movable contact contacting the fixed contact, and at least one extinguishing apparatus positioned after the fixed contact in an opening direction of the movable contact. A permanent magnet is further positioned after the extinguishing apparatus in the opening direction of the movable contact.