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:
Feb. 24, 2015
Filed:
Jun. 10, 2011
Applicant:
Okey Kwon, Indianapolis, IN (US);
Inventor:
Okey Kwon, Indianapolis, IN (US);
Assignee:
Rolls-Royce North American Technologies, Inc., Indianapolis, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/18 (2006.01); F01D 25/12 (2006.01);
U.S. Cl.
CPC ...
F01D 5/187 (2013.01); F01D 5/186 (2013.01); Y02T 50/676 (2013.01);
Abstract
An cooled airfoil for a gas turbine engine is disclosed. The airfoil includes an outer wall having a plurality cooling air exit openings and an inner wall having plurality of cooling air inlet openings. A plurality of flow migration dams extend between the inner wall and the outer wall to form a plurality of cooling passages and prevent cooling air from moving radially outward past the migration dams.