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. 02, 2013
Filed:
Aug. 10, 2010
Shuichi Kikukawa, Hitachi, JP;
Kenji Tsuchiya, Hitachi, JP;
Yuuko Kajiyama, Hitachiohta, JP;
Daisuke Sugai, Hitachinaka, JP;
Shuichi Kikukawa, Hitachi, JP;
Kenji Tsuchiya, Hitachi, JP;
Yuuko Kajiyama, Hitachiohta, JP;
Daisuke Sugai, Hitachinaka, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
The vacuum insulated switchgear includes: a housing enclosing a control compartment, a switch compartment, and a busbar compartment, each of the three compartments being partitioned by a metallic earthing plate; a first busbar and second busbar extended from an adjacent panel, in the busbar compartment; and a first busbar-connecting bushing and second busbar-connecting bushing making the first and second busbars connectible/disconnectible; a double-breaking three position vacuum switch, two sets of earthing switches, the first busbar-connecting bushing, and the second busbar-connecting bushing being integrally molded to form a switch provided on an electrical phase-by phase basis independently, wherein the switches for three phases are arranged in order side by side in the housing.