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:
Aug. 28, 1984
Filed:
Oct. 15, 1982
Applicant:
Inventors:
Azusa Miura, Ageo, JP;
Kesao Kambara, Tokyo, JP;
Takashi Kinoshita, Kiyose, JP;
Toshio Suzuki, Takarasuka, JP;
Yuzuru Yonehata, Itami, JP;
Assignees:
Japanese National Railways, Tokyo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J / ; H02J / ;
U.S. Cl.
CPC ...
307 69 ; 307 19 ; 307 46 ;
Abstract
This invention serves to reduce the drop of feeder voltage in an electric railway, and relates to a feeder voltage compensating apparatus for electric railways wherein an accumulator and a thyristor rectifier are connected by a thyristor switch circuit which can change-over the charging and discharging directions of the accumulator.