Patents by Inventor Karsten Christian

Karsten Christian 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).

  • ELECTRICAL MACHINE
    Publication number: 20090021121
    Abstract: The invention relates to an electrical machine with a stator and a rotor, the rotor having a winding system (1) and being provided with a measuring/control system (2). Means are also provided which have a voltage tap (14) on the winding system of the rotor and which are used to supply the measuring/control system (2). The advantage of the voltage tap (14) on the winding system (1) is that a separate voltage source on the rotor is not required.
    Type: Application
    Filed: February 8, 2006
    Publication date: January 22, 2009
    Applicant: Siemens Aktiengesellschaft
    Inventors: Karsten Christian, Mahmoud-Adel El Falaki, Roland Hauptmann, Lutz Hubner, Gunter Zwarg