Patents by Inventor Robin STAHEL

Robin STAHEL 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).

  • Frequency converter
    Patent number: 11967890
    Abstract: A frequency converter includes: at least one bridge arm, wherein a shunt resistor is arranged in the bridge arm; an evaluation device having an input connection, the evaluation device being designed to evaluate a measurement signal which is present at the input connection and which is dependent on a voltage drop across the shunt resistor, in order to determine a measured variable; and a voltage peak suppression device, which is designed to short-circuit the input connection of the evaluation device when a voltage peak occurs at the shunt resistor.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: April 23, 2024
    Assignee: Lenze SE
    Inventors: Robin Stahel, Andreas Burgermeister
  • Frequency Converter
    Publication number: 20210399632
    Abstract: A frequency converter includes: at least one bridge arm, wherein a shunt resistor is arranged in the bridge arm; an evaluation device having an input connection, the evaluation device being designed to evaluate a measurement signal which is present at the input connection and which is dependent on a voltage drop across the shunt resistor, in order to determine a measured variable; and a voltage peak suppression device, which is designed to short-circuit the input connection of the evaluation device when a voltage peak occurs at the shunt resistor.
    Type: Application
    Filed: August 7, 2019
    Publication date: December 23, 2021
    Inventors: Robin STAHEL, Andreas BURGERMEISTER