Patents by Inventor Ferhat Chabour

Ferhat Chabour 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).

  • Patent number: 7990090
    Abstract: A method for determining the position at rest of a rotor of a machine having at least one excitation winding. The invention provides a technique for detecting the position of the rotor at rest, from information contained in the voltages produced at the terminals of the stator windings, when the voltage applied to the rotor winding undergoes variations. The invention thus makes it possible to detect the rest position of the wound-rotor machine in the absence of ordinary position sensors such as magnetic, optical, resolving, mechanical, capacitive or other sensors.
    Type: Grant
    Filed: December 14, 2006
    Date of Patent: August 2, 2011
    Assignee: Valeo Equipements Electriques Moteur
    Inventors: Jean-Paul Vilain, Luc Kobylanski, Ferhat Chabour
  • Publication number: 20110115424
    Abstract: A method for determining the position at rest of a rotor of a machine having at least one excitation winding. The invention provides a technique for detecting the position of the rotor at rest, from information contained in the voltages produced at the terminals of the stator windings, when the voltage applied to the rotor winding undergoes variations. The invention thus makes it possible to detect the rest position of the wound-rotor machine in the absence of ordinary position sensors such as magnetic, optical, resolving, mechanical, capacitive or other sensors.
    Type: Application
    Filed: December 14, 2006
    Publication date: May 19, 2011
    Inventors: Jean-Paul Vilain, Luc Kobylanski, Ferhat Chabour