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. 14, 2012
Filed:
May. 14, 2009
Applicants:
Anthony P. Cherolis, Urbana, IL (US);
Eric P. Letizia, East Hartford, CT (US);
Matthew A. Devore, Manchester, CT (US);
Inventors:
Anthony P. Cherolis, Urbana, IL (US);
Eric P. Letizia, East Hartford, CT (US);
Matthew A. Devore, Manchester, CT (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/08 (2006.01); F01D 5/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A gas turbine engine component has a leading edge and a trailing edge and a pressure side and a suction side. The pressure side and suction side extend between the leading edge and trailing edge. One or more cooling passageways extend through the airfoil and comprise a trunk extending from an inlet. At the inlet, there is an additional passageway adjacent the trunk and having at least one edge recessed relative to the trunk.