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:
Aug. 10, 2021

Filed:

May. 17, 2019
Applicant:

Raytheon Technologies Corporation, Farmington, CT (US);

Inventors:

Steven Taffet, South Windsor, CT (US);

Brandon S. Donnell, Hartford, CT (US);

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

Russell Deibel, Glastonbury, CT (US);

San Quach, East Hartford, CT (US);

Assignee:

Raytheon Technologies Corporation, Farmington, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 9/04 (2006.01); F01D 5/18 (2006.01); B22C 9/10 (2006.01); B22C 7/02 (2006.01); B22C 9/04 (2006.01); B22C 9/24 (2006.01); F01D 25/12 (2006.01);
U.S. Cl.
CPC ...
F01D 5/187 (2013.01); B22C 7/02 (2013.01); B22C 9/04 (2013.01); B22C 9/10 (2013.01); B22C 9/24 (2013.01); F01D 9/041 (2013.01); F01D 25/12 (2013.01); F05D 2220/323 (2013.01); F05D 2230/21 (2013.01); F05D 2230/211 (2013.01); F05D 2240/121 (2013.01); F05D 2240/122 (2013.01); F05D 2240/303 (2013.01); F05D 2240/304 (2013.01); F05D 2260/202 (2013.01); Y02T 50/60 (2013.01);
Abstract

A lost core mold component comprises a first leg and a second leg with a plurality of crossover members connecting the first and second legs. The plurality of crossover members includes outermost crossover members spaced from each other. Adjacent ends of each of the first and second legs, and second crossover members are spaced closer to each other than are the outermost crossover members. Central crossover members extend between the first and second leg and between the second crossover members. The outermost crossover members extend for a first cross-sectional area. The second crossover members extend for a second cross-sectional area and the central crossover members extend for a third cross-sectional area. The first cross-sectional area is greater than the second cross-sectional area. The second cross-sectional area is greater than the third cross-sectional area. A gas turbine engine and component are also disclosed.


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