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:
May. 18, 2010
Filed:
Oct. 31, 2005
Masayuki Hirose, Osaka, JP;
Ryosuke Hata, Osaka, JP;
Masayuki Hirose, Osaka, JP;
Ryosuke Hata, Osaka, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
Abstract
In a DC power transmission and distribution line, a power cable line for making it possible to easily supply power to various electric power machines used for operation of the line is provided. A power cable line includes a power cable () for executing DC transmission and distribution, an AC superposing sectionfor superposing an AC component on the power cable, and a branch power supply sectionfor taking out power induced by the superposed AC component from the cable. The AC component is superposed on the power cable by the AC superposing sectionand AC power together with DC power is transmitted to the power cable. The superposed AC component is taken out by the branch power supply sectionprovided in a midway point of the cable and is supplied to various electric power machines.