Patents by Inventor Yves Challand

Yves Challand 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).

  • Method and device for operating an electrical machine having separate excitation
    Patent number: 9531304
    Abstract: A method and a device for operating an electrical machine having separate excitation, especially a synchronous machine. With the aid of a sensor system, a variable characterizing a rotor temperature and/or a stator temperature are/is determined, and an excitation current and stator currents for the electrical machine are specified by a control unit as a function of the variable characterizing the rotor temperature and/or the stator temperature, at least in specifiable operating ranges.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: December 27, 2016
    Assignee: Robert Bosch GmbH
    Inventors: Mercedes Herranz Gracia, Stefan Kolmorgen, Stefan Spannhake, Yves Challand, Daniel Raichle, Mario Beyer, Dragan Mikulec, Gunther Goetting, Alexander Scheidle
  • METHOD AND DEVICE FOR OPERATING AN ELECTRICAL MACHINE HAVING SEPARATE EXCITATION
    Publication number: 20140125268
    Abstract: A method and a device for operating an electrical machine having separate excitation, especially a synchronous machine. With the aid of a sensor system, a variable characterizing a rotor temperature and/or a stator temperature are/is determined, and an excitation current and stator currents for the electrical machine are specified by a control unit as a function of the variable characterizing the rotor temperature and/or the stator temperature, at least in specifiable operating ranges.
    Type: Application
    Filed: September 30, 2011
    Publication date: May 8, 2014
    Inventors: Mercedes Herranz Gracia, Stefan Kolmorgen, Stefan Spannhake, Yves Challand, Daniel Raichle, Mario Beyer, Dragan Mikulec, Gunther Goetting, Alexander Scheidle