Patents by Inventor André Leppich

André Leppich 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).

  • Monitoring And Fault Diagnosis Of Electric Machines
    Publication number: 20190265299
    Abstract: In a method for monitoring a rotating electric machine (1) that is fed by a converter and for diagnosing faults of said rotating electric machine, a current signature (I1, I2, I3) of output signals of the converter is recorded, the current signature (I1, I2, I3) is transformed, and the transformed current signature (A) is evaluated in at least one frequency band in order to detect damage to the machine (1).
    Type: Application
    Filed: May 10, 2019
    Publication date: August 29, 2019
    Applicant: Siemens Aktiengesellschaft
    Inventors: André Leppich, Markus Luft, Jürgen Rossmann, Alexander Stukenkemper
  • MONITORING AND FAULT DIAGNOSIS OF AN ELECTRIC MACHINE
    Publication number: 20130278282
    Abstract: In a method for monitoring a rotating electric machine (1) that is fed by a converter and for diagnosing faults of said rotating electric machine, a current signature (I1, I2, I3) of output signals of the converter is recorded, the current signature (I1, I2, I3) is transformed, and the transformed current signature (A) is evaluated in at least one frequency band in order to detect damage to the machine (1).
    Type: Application
    Filed: December 8, 2011
    Publication date: October 24, 2013
    Inventors: André Leppich, Markus Luft, Jürgen Rossmann, Alexander Stukenkemper