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:
Oct. 27, 2009
Filed:
Oct. 23, 2006
Anthony P. Cherolis, East Hartford, CT (US);
Jesse R. Christophel, Manchester, CT (US);
William Abdel-messeh, Middletown, CT (US);
Anthony P. Cherolis, East Hartford, CT (US);
Jesse R. Christophel, Manchester, CT (US);
William Abdel-Messeh, Middletown, CT (US);
United Technologies Corporation, Hartford, CT (US);
Abstract
A turbine blade for a gas turbine engine is provided with improved cooling at a radially outer portion of the trailing edge. A tip flag path is provided with a first pedestal array to increase the heat transfer at the area. In addition, a second pedestal array replaces the metering holes which has been positioned radially inwardly of the tip strip. The two pedestal arrays provide improved heat transfer at an area which has been subject to burning and spallation in the prior art.