Patents by Inventor Markus Wiebe

Markus Wiebe 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).

  • Publication number: 20070086884
    Abstract: A rotor shaft, particularly for a gas turbine, includes a cooling air supply disposed inside the rotor shaft and a plurality of cooling air ducts connected to the cooling air supply and extending essentially radially outward toward an outside of the shaft, wherein each of the cooling air ducts has an elliptic cross section.
    Type: Application
    Filed: March 22, 2006
    Publication date: April 19, 2007
    Applicant: ALSTOM Technology Ltd
    Inventors: Markus Wiebe, Thomas Kramer, Holger Kiewel
  • Publication number: 20060197400
    Abstract: A rotating machine (10), in particular a compressor or turbine, has a rotor shaft (11) which is rotatable about an axis (20) and is provided with at least one slot (14). The mechanical stresses in the region of the slot are reduced in that the at least one slot (14) has a slot bottom (17) with an elliptic cross-sectional contour (24).
    Type: Application
    Filed: February 27, 2006
    Publication date: September 7, 2006
    Inventors: Andrea De Simone, Jonas Faltstrom, Holger Kiewel, Thomas Kramer, Markus Wiebe