Patents by Inventor Rolf Kroeg

Rolf Kroeg 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).

  • Fan
    Patent number: 8616859
    Abstract: The invention relates to a fan, particularly for cooling an internal combustion engine of a vehicle, having an attachment unit, an electric drive motor, and a fan wheel rotating about the fan axis, wherein the attachment unit has a frame, from which bars protrude that cross through an air opening, said bars carrying an attachment element serving to attach the drive motor. The invention proposes that each of the bars (6) have a cross-sectional contour, wherein at least one cross bar (18) extending laterally in the direction of the fan axis (9) is configured between end regions (14, 15) of the bar (6) extending in the direction of the fan axis (9), defining a bar width (b).
    Type: Grant
    Filed: September 23, 2008
    Date of Patent: December 31, 2013
    Assignee: Robert Bosch GmbH
    Inventors: Rolf Kroeg, Klaus Weickenmeier, Klaus Linnenbrock, Thomas Helming
  • FAN
    Publication number: 20110036312
    Abstract: The invention relates to a fan, particularly for cooling an internal combustion engine of a vehicle, having an attachment unit, an electric drive motor, and a fan wheel rotating about the fan axis, wherein the attachment unit has a frame, from which bars protrude that cross through an air opening, said bars carrying an attachment element serving to attach the drive motor. The invention proposes that each of the bars (6) have a cross-sectional contour, wherein at least one cross bar (18) extending laterally in the direction of the fan axis (9) is configured between end regions (14, 15) of the bar (6) extending in the direction of the fan axis (9), defining a bar width (b).
    Type: Application
    Filed: September 23, 2008
    Publication date: February 17, 2011
    Applicant: Robert Bosch GMBH
    Inventors: Rolf Kroeg, Klaus Weickenmeier, Klaus Linnenbrock, Thomas Helming