The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 10, 2010
Filed:
Mar. 10, 2005
Applicants:
Werner-holger Heine, Wesel, DE;
Norbert Thamm, Essen, DE;
Kai Wieghardt, Bochum, DE;
Uwe Zander, Mülheim an der Ruhr, DE;
Inventors:
Werner-Holger Heine, Wesel, DE;
Norbert Thamm, Essen, DE;
Kai Wieghardt, Bochum, DE;
Uwe Zander, Mülheim an der Ruhr, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a turbine shaft that is aligned in a longitudinal direction. Said shaft comprises a central region and two outer regions, which are fixed to the central region in the longitudinal direction. The central region is produced from a material with a higher heat resistance than the two outer regions.