Patents by Inventor Patrice Aknin

Patrice Aknin 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 controlling actuating devices for the active suspension of vehicles, in particular trains
    Patent number: 6684139
    Abstract: The present invention relates to a control method and control apparatus for controlling actuator apparatus implemented in active suspension apparatus for vehicles, in particular rail vehicles, said control method and said control apparatus being characterized in that they use the articulated architecture of the train to derive the local curvature of the track in real time, in which control method and control apparatus the control signal transmitted by said control apparatus to the actuator apparatus of the bogie of order n in the articulated train is a function of measurements of at least one deflection angle &agr;i at an articulation center situated between adjacent carriages and of the position offset hj of said articulation center relative to the track.
    Type: Grant
    Filed: March 14, 2000
    Date of Patent: January 27, 2004
    Assignees: Alstom Transport SA, Institut National de Recherche sur les Transports et leur Securite
    Inventors: Regis Kirat, Jean-Pierre Pascal, Jean-Louis Maupu, Patrice Aknin