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:
Oct. 05, 2021
Filed:
Dec. 15, 2017
Applicant:
Railway Technical Research Institute, Tokyo, JP;
Inventors:
Masaru Tomita, Tokyo, JP;
Yusuke Fukumoto, Tokyo, JP;
Assignee:
Railway Technical Research Institute, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60M 1/12 (2006.01); B60M 3/00 (2006.01); H01B 12/16 (2006.01);
U.S. Cl.
CPC ...
B60M 1/12 (2013.01); B60M 3/00 (2013.01); H01B 12/16 (2013.01);
Abstract
A railway direct-current system according to the present invention is provided with: a feeding line that is connected to a plurality of electric power substations arranged along a railway; and a trolley line that is connected to the feeding line via feeding branch lines at an arbitrarily defined interval, wherein a superconductive feeding cable is connected to somewhere midway in each of railroad lines extending from the substations to the trolley line via the feeding lines, so as to be parallel with the railroad line.