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. 08, 2013
Filed:
Apr. 01, 2011
Douglas James Dietrich, West Palm Beach, FL (US);
Stephen Wayne Fiebiger, Jupiter, FL (US);
Gregory Edwin Vogel, Palm Beach Gardens, FL (US);
Douglas James Dietrich, West Palm Beach, FL (US);
Stephen Wayne Fiebiger, Jupiter, FL (US);
Gregory Edwin Vogel, Palm Beach Gardens, FL (US);
Alstom Technology Ltd., Baden, CH;
Abstract
A system and method of extending the useable life of a gas turbine blade is disclosed in which the gas turbine blade includes an undercut configuration designed to relieve mechanical and thermal stress imparted into the pedestal region of the airfoil trailing edge. The embodiments of the present invention include turbine blade configurations having different trailing edge undercut configurations as well as additional cooling supplied to the internal passages of the trailing edge region of the turbine blade.