Patents by Inventor Didier Escallier

Didier Escallier has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Device and method for direct current power supply to a traction system by means of converters from different alternating current or direct current voltages
    Patent number: 5886889
    Abstract: A device and a method are disclosed for direct current voltage power supply to a traction system by means of converters from different alternating current or direct current voltages available on a power supply line. The power supply device is supplied with power by means of a first power supply element and a second power supply element connected to the power supply line. In this supply device the first power supply element is connected to the primary winding of the power supply transformer by a first connection element. The second power supply element is connected either to the power supply terminal of the traction system or to the mid-point of the series converters by a second connection element.
    Type: Grant
    Filed: August 29, 1997
    Date of Patent: March 23, 1999
    Assignee: GEC Alsthom Transport SA
    Inventor: Didier Escallier