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:
Feb. 05, 2019
Filed:
Feb. 05, 2013
Applicant:
Siemens Aktiengesellschaft, Munich, DE;
Inventors:
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H 33/72 (2006.01); H01H 33/91 (2006.01); H01H 33/70 (2006.01); H01H 3/60 (2006.01); H01H 9/52 (2006.01); H01H 33/88 (2006.01);
U.S. Cl.
CPC ...
H01H 33/72 (2013.01); H01H 33/91 (2013.01); H01H 3/60 (2013.01); H01H 33/7023 (2013.01); H01H 2009/526 (2013.01); H01H 2033/888 (2013.01); H01H 2213/006 (2013.01);
Abstract
A switchgear includes an interrupter unit. The interrupter unit is provided with first and second switching contact pieces that are movable relative to one another. A switching-gas duct that runs through the interrupter unit originates at an arc gap in which an electric arc can burn. The duct connects the arc gap to the surroundings of the interrupter unit. At least some sections of the switching-gas duct are delimited by mutually encompassing elements similar to an annular duct. One of the elements is a first member which is braced at the end similar to a pipe joint and which has a free end that projects in the direction of the arc gap.