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.

Date of Patent:
May. 06, 2003

Filed:

Jan. 14, 2002
Applicant:
Inventors:

Masahiro Takahoshi, Hitachi, JP;

Keiichi Tsuzura, Hitachi, JP;

Ryoichi Shinohara, Hitachi, JP;

Rei Henmi, Hitachi, JP;

Yoriyuki Aiko, Hitachi, JP;

Shunji Ito, Hitachi, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02B 5/00 ;
U.S. Cl.
CPC ...
H02B 5/00 ;
Abstract

In order to shorten the length of connection buses and reduce a cost, in the present invention, a plurality of T-branched circuit breaker units are arranged in a direction perpendicular to the T-branch direction, and the plurality of circuit breaker units are connected by first connection bus units and second connection bus units in series alternately in a rectangular wave shape on a horizontal plane of approximately the same height as the T-branch portions of the circuit breaker units . Thereby, first connection buses and second connection buses are stretched around on the horizontal plane of the same height as the T-branch portions of the circuit breaker units , but not stretched around in an up and down direction. Therefore, the length of the connection buses can be reduced, and the cost also can be reduced.


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