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. 22, 2014
Filed:
May. 31, 2012
Applicant:
Kazuhide Bannai, Urayasu, JP;
Inventor:
Kazuhide Bannai, Urayasu, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H02H 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A surge arrester according to an embodiment of the present invention includes a switching unit connected to a gas-insulated electric equipment in which insulating gas is sealed, and switching a limited voltage of the surge arrester into a limited voltage smaller than a low-temperature critical voltage indicating a withstand voltage generating a dielectric breakdown when the insulating gas is liquefied.