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:
Feb. 17, 2015
Filed:
Sep. 02, 2010
Applicants:
Fathi Ahmad, Kaarst, DE;
Harald Hoell, Wächtersbach, DE;
Karsten Kolk, Mülheim a.d. Ruhr, DE;
Harald Nimptsch, Essen, DE;
Werner Setz, Rösrath, DE;
Inventors:
Fathi Ahmad, Kaarst, DE;
Harald Hoell, Wächtersbach, DE;
Karsten Kolk, Mülheim a.d. Ruhr, DE;
Harald Nimptsch, Essen, DE;
Werner Setz, Rösrath, DE;
Assignee:
Siemens Aktiengesellschaft, München, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/14 (2006.01); F01D 5/08 (2006.01); F01D 5/18 (2006.01);
U.S. Cl.
CPC ...
F01D 5/081 (2013.01); F01D 5/085 (2013.01); F01D 5/187 (2013.01); F05D 2260/94 (2013.01); F05D 2260/941 (2013.01); F05D 2250/52 (2013.01);
Abstract
A gas turbine component for example a turbine blade or a rotor disk is provided. In order to extend the service life of the corresponding component by reducing the thermally or mechanically induced stress concentration in the direct surroundings of a duct opening onto a surface, at least one groove-like recess is provided near the effective zone of the opening.