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:
Jan. 06, 2009
Filed:
Nov. 21, 2006
Applicant:
Pierre Chanal, Vielle Adour, FR;
Inventor:
Pierre Chanal, Vielle Adour, FR;
Assignee:
Alstom Transport, SA, Levallois-Perret, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for supplying electrical power to a DC supply bus of a rotating electric motor of an electric vehicle is provided. The method includes the steps of selectively supplying electrical power to the bus via a first power supply at a first alternating voltage and selectively supplying electrical power to the bus via a second power supply at a second alternating voltage that is less than the first alternating voltage.