Patents by Inventor Eckhardt Dohrer

Eckhardt Dohrer 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: 7891683
    Abstract: A torsion-beam rear axle of a vehicle, more preferably motor vehicle, is provided with two rigid trailing arms, which with their one end are each mounted on a vehicle body in a manner capable of being swiveled and at the other end of which a wheel carrier is each attached for the rotatable mounting of a vehicle wheel about its wheel center axis, as well as with a torsionally soft cross-tie connecting the two trailing arms with each other. Each wheel carrier, by means of at least three elastic wheel carrier bearings is fixed to the trailing arm when viewed in forward driving direction of the vehicle, at least two wheel carrier bearings are arranged behind the wheel center axis, and at least one wheel carrier bearing is arranged in front of the wheel center axis in such a manner that through the two wheel carrier bearings arranged behind the wheel center axis to define a swivel axis for the swiveling of the wheel carrier relative to the trailing arm.
    Type: Grant
    Filed: September 9, 2008
    Date of Patent: February 22, 2011
    Assignee: GM Global Technology Operations LLC
    Inventors: Gerd Bitz, Jürgen Siebeneick, Eckhardt Döhrer
  • Publication number: 20090066153
    Abstract: A torsion-beam rear axle of a vehicle, more preferably motor vehicle, is provided with two rigid trailing arms, which with their one end are each mounted on a vehicle body in a manner capable of being swiveled and at the other end of which a wheel carrier is each attached for the rotatable mounting of a vehicle wheel about its wheel center axis, as well as with a torsionally soft cross-tie connecting the two trailing arms with each other. Each wheel carrier, by means of at least three elastic wheel carrier bearings is fixed to the trailing arm when viewed in forward driving direction of the vehicle, at least two wheel carrier bearings are arranged behind the wheel center axis, and at least one wheel carrier bearing is arranged in front of the wheel center axis in such a manner that through the two wheel carrier bearings arranged behind the wheel center axis to define a swivel axis for the swiveling of the wheel carrier relative to the trailing arm.
    Type: Application
    Filed: September 9, 2008
    Publication date: March 12, 2009
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS, INC.
    Inventors: Gerd BITZ, Jurgen SIEBENEICK, Eckhardt Dohrer