Patents by Inventor Markus Schiffarth

Markus Schiffarth 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).

  • Reluctance motor and a method for controlling a reluctance motor
    Publication number: 20040130286
    Abstract: A method for controlling a reluctance motor comprising a rotor (1) and a stator (10), the stator (10) having individual stator coils (22) and a predefined current flowing in the coils (22) according to loading of the motor, the method comprising the steps of applying different control methods depending on number of revolutions of the rotor (1), namely by prescribing a fixed rotary field with smaller number of revolutions.
    Type: Application
    Filed: May 19, 2003
    Publication date: July 8, 2004
    Inventors: Uwe Caldewey, Markus Schiffarth, Volker Schmitz, Stefan Hilgers