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:
Nov. 25, 2003
Filed:
Feb. 05, 2002
Gérard Kalvelage, Civray de Touraine, FR;
Philippe Aubin, Parçay Meslay, FR;
Faiveley Transport, Saint Denis, FR;
Abstract
An electric energy converter comprises N transformers each including a primary winding and a secondary winding, a primary circuit connected to two input terminals on which the primary windings of the transformers are connected, a secondary circuit connected to two output terminals on which the secondary windings of the transformers are connected. Each primary and secondary circuit includes a set of switching devices connected to N primary windings and N secondary windings, where the converter further comprises a controller configured to control the switching devices of at least one of the primary or secondary circuits, the switching devices being connected to associate the N primary or secondary windings in a series and/or parallel arrangement by using the controller.