Patents by Inventor Andreas Feldmuller

Andreas Feldmuller 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).

  • Turbine shaft and method for cooling a turbine shaft
    Patent number: 6048169
    Abstract: A turbine shaft extends along a principal axis and has an outer surface. The turbine shaft is formed by a plurality of cylindrical shaft segments which are disposed axially one behind the other and are braced together by a bracing element. An axial gap which is formed between the bracing element and at least one shaft segment is connected in terms of flow to two axially spaced radial passages. The radial passages each open at the outer surface of the turbine shaft. A method for cooling a turbine shaft is also provided.
    Type: Grant
    Filed: December 21, 1998
    Date of Patent: April 11, 2000
    Assignee: Siemens Aktiengesellschaft
    Inventors: Andreas Feldmuller, Helmut Pollak