Patents by Inventor Gerhard STEMPFER

Gerhard STEMPFER 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).

  • Patent number: 11518191
    Abstract: A drive axle for a work machine for driving wheels that are coupled to the drive axle. The drive axle includes a spur gear stage with an input shaft. A differential gear unit couples to the spur gear stage and to the wheels via wheel drive shafts. The drive axle further includes a reduction gear unit with an output element couples to the input shaft of the spur gear stage—and an input element which couples to an output shaft of an electric drive machine.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: December 6, 2022
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Migen Bebeti, Gerhard Stempfer, Jan Döring, Peter Tepfenhart, Norbert Feuchtner
  • Patent number: 10899353
    Abstract: The invention relates to a method for operating a vehicle/trailer unit, an appropriately designed vehicle/trailer unit, as well as a towing vehicle and an implement for such a vehicle/trailer unit, with the vehicle/trailer unit having a towing vehicle and an implement. The towing vehicle has a combustion engine and a first machine that can be operated as a prime mover, as well as a first axle that can be driven by means of the combustion engine, with it being possible for the combustion engine to be driven by means of the first machine. The implement has a second machine that can be operated as a work machine and a second axle that is mechanically coupled with the second machine.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: January 26, 2021
    Assignee: AVL Commercial Driveline & Tractor Engineering GmbH
    Inventors: Siegfried Anschuber, Gerhard Stempfer
  • Publication number: 20200406681
    Abstract: A drive axle for a work machine for driving wheels that are coupled to the drive axle. The drive axle includes a spur gear stage with an input shaft. A differential gear unit couples to the spur gear stage and to the wheels via wheel drive shafts. The drive axle further includes a reduction gear unit with an output element couples to the input shaft of the spur gear stage—and an input element which couples to an output shaft of an electric drive machine.
    Type: Application
    Filed: October 8, 2018
    Publication date: December 31, 2020
    Applicant: ZF Friedrichshafen AG
    Inventors: Migen Bebeti, Gerhard Stempfer, Jan Döring, Peter Tepfenhart, Norbert Feuchtner
  • Patent number: 10407045
    Abstract: The invention relates to a method for controlling a wheel speed of a wheel of a drivable axle of a two-track vehicle with two drivable axles as well as to a corresponding vehicle, with the vehicle having a first drive motor for driving the first axle, a second drive motor for driving the second axle, a device for detecting driving state variables, and a control device. The method comprises the steps: Detecting an actual speed of the first axle, determining a target speed for the second axle as a function of the actual speed of the first axle, and controlling the second drive motor such that the determined target speed is achieved on the second axle. In order to determine the target speed, a synchronous target speed at which the same wheel circumferential speed is achieved on at least one wheel of the second axle as on the wheels of the first axle is determined as a function of the actual speed of the first axle.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: September 10, 2019
    Assignee: AVL COMMERCIAL DRIVELINE & TRACTOR ENGINEERING GMBH
    Inventors: Udo Kneitz, Gerhard Stempfer, Bernhard Wittmann
  • Publication number: 20180244257
    Abstract: The invention relates to a method for controlling a wheel speed of a wheel of a drivable axle of a two-track vehicle with two drivable axles as well as to a corresponding vehicle, with the vehicle having a first drive motor for driving the first axle, a second drive motor for driving the second axle, a device for detecting driving state variables, and a control device. The method comprises the steps: Detecting an actual speed of the first axle, determining a target speed for the second axle as a function of the actual speed of the first axle, and controlling the second drive motor such that the determined target speed is achieved on the second axle. In order to determine the target speed, a synchronous target speed at which the same wheel circumferential speed is achieved on at least one wheel of the second axle as on the wheels of the first axle is determined as a function of the actual speed of the first axle.
    Type: Application
    Filed: May 20, 2016
    Publication date: August 30, 2018
    Inventors: Udo KNEITZ, Gerhard STEMPFER, Bernhard WITTMANN
  • Publication number: 20180134300
    Abstract: The invention relates to a method for operating a vehicle/trailer unit, an appropriately designed vehicle/trailer unit, as well as a towing vehicle and an implement for such a vehicle/trailer unit, with the vehicle/trailer unit having a towing vehicle and an implement. The towing vehicle has a combustion engine and a first machine that can be operated as a prime mover, as well as a first axle that can be driven by means of the combustion engine, with it being possible for the combustion engine to be driven by means of the first machine. The implement has a second machine that can be operated as a work machine and a second axle that is mechanically coupled with the second machine.
    Type: Application
    Filed: May 20, 2016
    Publication date: May 17, 2018
    Inventors: Siegfried ANSCHUBER, Gerhard STEMPFER