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. 20, 2022
Filed:
Feb. 28, 2018
Applicant:
Schaltbau Gmbh, Munich, DE;
Inventor:
Robert Kralik, Poing, DE;
Assignee:
Schaltbau GmbH, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 9/36 (2006.01); H01H 9/44 (2006.01); H01H 71/18 (2006.01); H01H 73/18 (2006.01);
U.S. Cl.
CPC ...
H01H 9/443 (2013.01); H01H 9/36 (2013.01); H01H 9/446 (2013.01); H01H 73/18 (2013.01);
Abstract
Disclosed is a switch device with at least one contact point and a permanent magnetic arc blowing device which is paired with the contact point, wherein the arc blowing device has at least one second permanent magnet () as an auxiliary magnet, and the auxiliary magnet is arranged in the direct vicinity of the contact point (), such that at least one section of the magnetic field () of the auxiliary magnet () amplifies the blow-out field in the transition region.