Patents by Inventor Ralf Fritzsche

Ralf Fritzsche 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: 10377173
    Abstract: A wheel module for a motor vehicle, the wheel module including a wheel carrier, a wheel hub, a wheel bearing separate from the wheel hub that supports the wheel hub on the wheel carrier, and a drive shaft for driving the wheel hub. The wheel hub having end face toothing engaging a mating toothing on the drive shaft. A spacer element is arranged axially between the wheel bearing and the drive shaft wherein the spacer element adjoins the end face toothing and/or the mating toothing radially on the outside.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: August 13, 2019
    Assignee: Ford Global Technologies, LLC
    Inventor: Ralf Fritzsche
  • Publication number: 20160368317
    Abstract: A wheel module for a motor vehicle, the wheel module including a wheel carrier, a wheel hub, a wheel bearing separate from the wheel hub that supports the wheel hub on the wheel carrier, and a drive shaft for driving the wheel hub. The wheel hub having end face toothing engaging a mating toothing on the drive shaft. A spacer element is arranged axially between the wheel bearing and the drive shaft wherein the spacer element adjoins the end face toothing and/or the mating toothing radially on the outside.
    Type: Application
    Filed: June 20, 2016
    Publication date: December 22, 2016
    Applicant: Ford Global Technologies, LLC
    Inventor: Ralf Fritzsche
  • Patent number: 9217474
    Abstract: A wheel bearing unit for use with a drum brake including an outer ring and an inner ring. The drum brake having a brake drum and a tie plate. A rotational speed measurement unit having a sensor and a transmitter ring is located in a transmitter chamber defined by the wheel bearing and the back plate. A ventilation duct connects the transmitter chamber to an inner space of the drum brake.
    Type: Grant
    Filed: January 16, 2014
    Date of Patent: December 22, 2015
    Assignee: Ford Global Technologies, LLC
    Inventor: Ralf Fritzsche
  • Publication number: 20140205225
    Abstract: A wheel bearing unit for use with a drum brake including an outer ring and an inner ring. The drum brake having a brake drum and a tie plate. A rotational speed measurement unit having a sensor and a transmitter ring is located in a transmitter chamber defined by the wheel bearing and the back plate. A ventilation duct connects the transmitter chamber to an inner space of the drum brake.
    Type: Application
    Filed: January 16, 2014
    Publication date: July 24, 2014
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventor: Ralf Fritzsche
  • Patent number: 5799540
    Abstract: A selector fork for a change-speed gearbox, comprising first and second shafts rotatably supported by the gearbox. A pinion and gear pair are supported by the first and second shafts, respectively. A synchronizer is supported by one of the first and second shafts adjacent the pinion and gear pair. A selector rod having a longitudinal axis is supported by the gearbox. A selector fork is slidably supported by the selector rod. The selector fork provides for the directed supply of splash oil to one of the group comprising the selector fork and the synchronizer.
    Type: Grant
    Filed: December 5, 1996
    Date of Patent: September 1, 1998
    Assignee: Ford Global Technologies, Inc.
    Inventors: Axel Diehl, Ralf Fritzsche, Klaus Groth