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:
Apr. 05, 2022
Filed:
Apr. 16, 2019
Applicant:
Siemens Energy Global Gmbh & Co. KG, Munich, DE;
Inventors:
Thomas Rettenmaier, Graefenberg, DE;
Norbert Wenzel, Erlangen, DE;
Christian Schacherer, Deining, DE;
Assignee:
Siemens Energy Global GmbH & Co. KG, Munich, DE;
Primary Examiner:
Int. Cl.
CPC ...
H01H 33/664 (2006.01); H01H 33/662 (2006.01);
U.S. Cl.
CPC ...
H01H 33/664 (2013.01); H01H 33/66261 (2013.01);
Abstract
A vacuum circuit breaker includes a vacuum circuit breaker tube having a vacuum housing in which a contact system is disposed. The contact system includes two contacts which are movable relative to one another. An electrical pre-arcing unit having an ignition electrode in the vacuum housing is provided for igniting an arc along an arc current path.