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:
May. 27, 2008
Filed:
Feb. 21, 2005
Steven Robert Brassfield, Cincinnati, OH (US);
Ching-pang Lee, Cincinnati, OH (US);
Roger Lee Doughty, Pleasant Plain, OH (US);
Richard William Jendrix, Liberty Township, OH (US);
Cory Michael Williams, Maineville, OH (US);
Steven Robert Brassfield, Cincinnati, OH (US);
Ching-Pang Lee, Cincinnati, OH (US);
Roger Lee Doughty, Pleasant Plain, OH (US);
Richard William Jendrix, Liberty Township, OH (US);
Cory Michael Williams, Maineville, OH (US);
General Electric Company, Schenectady, NY (US);
Abstract
An airfoil is disclosed having at least first and second cast, axially-stacked internal airflow cooling circuits. Each circuit defines multiple air flow passages positioned laterally between a pressure sidewall side and a suction sidewall side of respective ones of the circuits. Each of the circuits is formed by a separate casting core. Methods of forming a axially-stacked core and an airfoil are also disclosed.