Patents by Inventor Stephan Hoppe

Stephan Hoppe 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).

  • Motor/pump unit
    Patent number: 8535019
    Abstract: A motor/pump unit, particularly for a power-steering arrangement in a motor vehicle, includes a housing, a hydraulic pump unit having a pump module and a motor unit with a drive motor. At least one damping element is provided between the pump unit and a portion of the housing to decouple the noise of the pump unit.
    Type: Grant
    Filed: June 26, 2007
    Date of Patent: September 17, 2013
    Assignee: TRW Automotive GmbH
    Inventors: Frank Gummersbach, Martin Jordan, Stephan Hoppe
  • Gear pump with pressure relief groove
    Patent number: 8512018
    Abstract: A hydraulic device has an inlet side and an outlet side and includes two meshing cogwheels. Each cogwheel has external oblique teeth and is arranged between an inlet side and an outlet side. At least one control groove is provided on an end side of the cogwheels. The control groove periodically produces a pressure equalizing connection during the rotation of the cogwheels.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: August 20, 2013
    Assignee: TRW Automotive GmbH
    Inventors: Martin Jordan, Stephan Hoppe, Juergen Floerchinger
  • Hydraulic device
    Publication number: 20080166254
    Abstract: A hydraulic device has an inlet side and an outlet side and includes two meshing cogwheels. Each cogwheel has external oblique teeth and is arranged between an inlet side and an outlet side. At least one control groove is provided on an end side of the cogwheels. The control groove periodically produces a pressure equalizing connection during the rotation of the cogwheels.
    Type: Application
    Filed: September 28, 2007
    Publication date: July 10, 2008
    Inventors: Martin Jordan, Stephan Hoppe, Juergen Floerchinger
  • Motor/pump unit
    Publication number: 20080003116
    Abstract: A motor/pump unit, particularly for a power-steering arrangement in a motor vehicle, includes a housing, a hydraulic pump unit having a pump module and a motor unit with a drive motor. At least one damping element is provided between the pump unit and a portion of the housing to decouple the noise of the pump unit.
    Type: Application
    Filed: June 26, 2007
    Publication date: January 3, 2008
    Inventors: Frank Gummersbach, Martin Jordan, Stephan Hoppe