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:
Nov. 19, 2002
Filed:
Dec. 19, 2000
Alexander Beeck, Küssaberg, DE;
Jörgen Ferber, Küssaberg, DE;
Christoph Nagler, Zürich, CH;
Lothar Schneider, Waldshut-Tiengen, DE;
Klaus Semmler, Dachau, DE;
ALSTOM (Switzerland) Ltd, Baden, CH;
Abstract
In a gas-turbine guide element ( ) around which a hot air flow ( ) flows and which, at least in a trailing edge region ( ), in which the air flow ( ) separates from the guide element ( ), comprises at least two walls ( ) arranged essentially in parallel and connected to one another by ribs ( ) in such a way as to form internal cooling passages ( ), and which is cooled on the inside with cooling medium ( ) flowing through the cooling passages ( ), the cooling medium discharging from the guide element ( ) at the trailing edge ( ) essentially parallel to and between the walls ( ), and in a method of producing it, easier reworking and less susceptibility to foreign particles are achieved owing to the fact that at least some of the ribs are arranged as choke ribs ( ) so as to terminate essentially flush with the trailing edge ( ).