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:
Jul. 08, 2003
Filed:
Nov. 30, 2001
Applicant:
Inventors:
Alexander Beeck, Orlando, FL (US);
Reinhard Fried, Nussbaumen, CH;
Markus Oehl, Waldshut-Tiengen, DE;
Assignee:
Alstom (Switzerland) Ltd, Baden, CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 3/100 ;
U.S. Cl.
CPC ...
F04D 3/100 ;
Abstract
Described is a cooling device for a shroud of a gas turbine blade, having a cooling channel system provided in the shroud, which is provided radially to the gas turbine blade with cooling channels that are open on one side, and which is closed off with a cover plate. The invention is characterized in that, between the cover plate and the cooling channels that are open on one side, an impact cooling plate is provided in such a way that the impact cooling plate rests on the cooling channels that are open on one side, is pressed against them by force, and encloses a space with the cover plate.