Patents by Inventor Arnold GROCHLA

Arnold GROCHLA 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).

  • Motor vehicle and method for operation of a cooling device
    Patent number: 11850934
    Abstract: A motor vehicle comprises a drive train with an electric motor, to which a traction battery and a power electronics device comprising at least one pulse inverter are associated, and a cooling device for cooling the electric motor, the power electronics device and the traction battery, wherein the electric motor is cooled in a first cooling circuit with coolant of a first maximum temperature in the supply flow, wherein the power electronics device is cooled in a second coolant circuit, which is separate from the first coolant circuit, using coolant of a second maximum temperature in the supply flow, which is lower than the first maximum temperature.
    Type: Grant
    Filed: November 1, 2021
    Date of Patent: December 26, 2023
    Assignee: Audi AG
    Inventors: Uwe Feldmann, Rüdiger Fischer, Arnold Grochla
  • MOTOR VEHICLE AND METHOD FOR OPERATION OF A COOLING DEVICE
    Publication number: 20220134866
    Abstract: A motor vehicle comprises a drive train with an electric motor, to which a traction battery and a power electronics device comprising at least one pulse inverter are associated, and a cooling device for cooling the electric motor, the power electronics device and the traction battery, wherein the electric motor is cooled in a first cooling circuit with coolant of a first maximum temperature in the supply flow, wherein the power electronics device is cooled in a second coolant circuit, which is separate from the first coolant circuit, using coolant of a second maximum temperature in the supply flow, which is lower than the first maximum temperature.
    Type: Application
    Filed: November 1, 2021
    Publication date: May 5, 2022
    Inventors: Uwe FELDMANN, Rüdiger FISCHER, Arnold GROCHLA