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:
Nov. 20, 2018

Filed:

Mar. 14, 2016
Applicant:

United Technologies Corporation, Hartford, CT (US);

Inventors:

Jeffrey Leon, Glastonbury, CT (US);

Daniel C. Nadeau, Wethersfield, CT (US);

Jeffrey R. Levine, Vernon Rockville, CT (US);

Eleanor D. Kaufman, Rocky Hill, CT (US);

Richard N. Allen, West Hartford, CT (US);

Evan P. Molony, Farmington, CT (US);

Gregory Anselmi, Vernon, CT (US);

Assignee:

UNITED TECHNOLOGIES CORPORATION, Farmington, CT (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/14 (2006.01); F01D 5/18 (2006.01); F02C 7/18 (2006.01); B22C 9/10 (2006.01);
U.S. Cl.
CPC ...
F01D 5/187 (2013.01); B22C 9/10 (2013.01); F02C 7/18 (2013.01); F05D 2220/32 (2013.01); F05D 2260/20 (2013.01); F05D 2260/2212 (2013.01); F05D 2260/22141 (2013.01);
Abstract

An airfoil is disclosed, comprising an airfoil body and an internal cavity within the airfoil body. The internal cavity may comprise an outer edge comprising a first outer scallop and a second outer scallop, an inner edge opposite the outer edge, the inner edge comprising a first inner scallop and a second inner scallop, a leading edge spanning between the outer edge and the inner edge, and a trailing edge spanning between the outer edge and the inner edge and opposite the leading edge. Between the outer edge, the inner edge, the leading edge, and the trailing edge, the internal cavity may comprise eight columns of pedestals disposed axially relative to one another and axially between the leading edge and the trailing edge.


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