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:
Aug. 06, 2019
Filed:
Jul. 21, 2016
Applicant:
Siemens Aktiengesellschaft, Munich, DE;
Inventor:
Sylvio Kosse, Erlangen, DE;
Assignee:
SIEMENS AKTIENGESELLSCHAFT, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 33/22 (2006.01); H01H 33/70 (2006.01); H01H 33/91 (2006.01); H01H 33/02 (2006.01); H01H 85/38 (2006.01);
U.S. Cl.
CPC ...
H01H 33/22 (2013.01); H01H 33/021 (2013.01); H01H 33/7023 (2013.01); H01H 33/91 (2013.01); H01H 85/38 (2013.01);
Abstract
The present disclosure relates to switchgear. Various embodiments may include medium- or high-voltage switchgear with a gas-tight insulating space. For example, a switchgear may include: a gas-tight insulating space where an insulating gas is kept above atmospheric pressure and two switching contacts in the space. At least one of the contacts may movable with respect to a nozzle. The insulating gas may include a mixture of at least 90% by mass of nitrogen and oxygen or nitrogen and carbon dioxide. The nozzle may include a plastic with at least 65% by mass in total of the elements carbon, nitrogen, and oxygen.