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.

Date of Patent:
Sep. 29, 2015

Filed:

Dec. 15, 2011
Applicants:

Tracy A. Propheter-hinckley, Manchester, CT (US);

Rafael A. Perez, Arecibo, PR (US);

Edward F. Pietraszkiewicz, Southington, CT (US);

Inventors:

Tracy A. Propheter-Hinckley, Manchester, CT (US);

Rafael A. Perez, Arecibo, PR (US);

Edward F. Pietraszkiewicz, Southington, CT (US);

Assignee:

United Technologies Corporation, Hartford, CT (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/18 (2006.01); F01D 9/04 (2006.01);
U.S. Cl.
CPC ...
F01D 9/041 (2013.01); F01D 5/186 (2013.01); F05D 2240/12 (2013.01); F05D 2250/185 (2013.01); F05D 2260/202 (2013.01);
Abstract

An airfoil for a gas turbine engine includes an airfoil body and a cooling circuit defined within the airfoil body. The cooling circuit includes at least a first cavity in fluid communication with a second cavity. A first portion of the first cavity extends between an outer diameter and an inner diameter of the airfoil body and a second portion of the first cavity extends across a space between a leading edge and a trailing edge of the airfoil body.


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