Patents by Inventor Mario GRETHEL

Mario GRETHEL 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).

  • Publication number: 20210229543
    Abstract: A drive unit and a drive arrangement having the drive unit are provided. The drive unit includes a first electric machine and a second electric machine and an output shaft. A rotor of the second electric machine is connected to the output shaft for conjoint rotation and the drive unit has a separating clutch by which a rotor of the first electric machine is connected to the output shaft for torque transmission. The drive unit furthermore has a first flow system for implementing a flow of a first liquid for at least partial cooling of at least one electric machine and a second flow system for implementing a flow of a second liquid, the first flow system and the second flow system being arranged such that heat from the first liquid in the first flow system is transferred to the second liquid in the second flow system.
    Type: Application
    Filed: June 4, 2019
    Publication date: July 29, 2021
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Andreas TRINKENSCHUH, Steffen LEHMANN, Carsten MAYER, Mario GRETHEL