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:
Dec. 17, 2019

Filed:

Apr. 11, 2016
Applicant:

United Technologies Corporation, Hartford, CT (US);

Inventors:

James T. Auxier, Bloomfield, CT (US);

Parth Jariwala, Hartford, CT (US);

Bret M. Teller, Menden, CT (US);

Assignee:

UNITED TECHNOLOGIES CORPORATION, Farmington, CT (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/18 (2006.01); F01D 9/02 (2006.01); F01D 11/08 (2006.01); F01D 25/12 (2006.01); F23R 3/00 (2006.01);
U.S. Cl.
CPC ...
F01D 5/186 (2013.01); F01D 9/02 (2013.01); F01D 11/08 (2013.01); F01D 25/12 (2013.01); F23R 3/002 (2013.01); F05D 2220/32 (2013.01); F05D 2230/211 (2013.01); F05D 2240/122 (2013.01); F05D 2240/304 (2013.01); F05D 2240/35 (2013.01); F05D 2260/202 (2013.01);
Abstract

A casting core and/or an airfoil may comprise a tip flag cavity having a forward pedestal and a first spear pedestal disposed aft of the forward pedestal. A trailing edge discharge cavity may be separated from the tip flag cavity and include a first row of pedestals. The first row of pedestals may comprise a first racetrack pedestal. A second row of pedestals may be disposed aft of the first row of pedestals and include a second racetrack pedestal. A third row of pedestals may be disposed aft of the second row of pedestals and include a circular pedestal. A fourth row of pedestals may be disposed aft of the third row of pedestals and include a second spear pedestal.


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