Patents by Inventor Johannes Toepfl

Johannes Toepfl 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).

  • Worm drive
    Patent number: 10865869
    Abstract: A worm drive includes a rotatably mounted worm shaft, and a device for compensating an unwanted axial backlash of the worm shaft. The device for compensating the unwanted axial backlash of the worm shaft includes two pressure bodies between which the worm shaft is clamped in the axial direction by a diaphragm spring device. The diaphragm spring is assigned to one of the pressure bodies.
    Type: Grant
    Filed: October 9, 2017
    Date of Patent: December 15, 2020
    Assignee: Dr. Ing. h.c. F. Porsche Aktiengesellschaft
    Inventors: Joachim Paul, Johannes Toepfl
  • Drive apparatus
    Patent number: 10190674
    Abstract: A drive apparatus includes a housing, an electric motor arranged in the housing, and a worm gear mechanism arranged in the housing. The worm gear mechanism includes a worm gear arranged on a rotor shaft of the electric motor and a gearwheel in engagement with the worm gear and fixedly connected to an output shaft so as to rotate with the output shaft. The electric motor is axially mounted in the housing with one axial end via a stop element and with the opposite axial end via an axial clamping element. The axial clamping element has a spring element, a separate floating holding element, and a separate elastomer element. The holding element is arranged axially between the spring element and the elastomer element.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: January 29, 2019
    Assignee: DR. ING. H.C.F. PORSCHE AKTIENGESELLSCHAFT
    Inventors: Joachim Paul, Johannes Toepfl
  • DRIVE APPARATUS
    Publication number: 20180112768
    Abstract: A drive apparatus includes a housing, an electric motor arranged in the housing, and a worm gear mechanism arranged in the housing. The worm gear mechanism includes a worm gear arranged on a rotor shaft of the electric motor and a gearwheel in engagement with the worm gear and fixedly connected to an output shaft so as to rotate with the output shaft. The electric motor is axially mounted in the housing with one axial end via a stop element and with the opposite axial end via an axial clamping element. The axial clamping element has a spring element, a separate floating holding element, and a separate elastomer element. The holding element is arranged axially between the spring element and the elastomer element.
    Type: Application
    Filed: October 17, 2017
    Publication date: April 26, 2018
    Inventors: Joachim Paul, Johannes Toepfl
  • WORM DRIVE
    Publication number: 20180112763
    Abstract: A worm drive includes a rotatably mounted worm shaft, and a device for compensating an unwanted axial backlash of the worm shaft. The device for compensating the unwanted axial backlash of the worm shaft includes two pressure bodies between which the worm shaft is clamped in the axial direction by a diaphragm spring device. The diaphragm spring is assigned to one of the pressure bodies.
    Type: Application
    Filed: October 9, 2017
    Publication date: April 26, 2018
    Inventors: Joachim Paul, Johannes Toepfl