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:
Jul. 12, 2022

Filed:

May. 07, 2019
Applicant:

General Electric Company, Schenectady, NY (US);

Inventors:

Jacob John Kittleson, Greenville, SC (US);

James Murray, Piedmont, SC (US);

Assignee:

General Electric Company, Schenectady, NY (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/28 (2006.01); B32B 18/00 (2006.01); C04B 35/80 (2006.01); B32B 3/26 (2006.01); C04B 37/00 (2006.01); F01D 5/14 (2006.01); F01D 9/04 (2006.01); F01D 25/00 (2006.01);
U.S. Cl.
CPC ...
F01D 5/282 (2013.01); B32B 3/26 (2013.01); B32B 18/00 (2013.01); C04B 35/80 (2013.01); C04B 37/001 (2013.01); F01D 5/147 (2013.01); F01D 5/284 (2013.01); F01D 9/041 (2013.01); F01D 25/005 (2013.01); B32B 2603/00 (2013.01); C04B 2235/6028 (2013.01); C04B 2237/32 (2013.01); F05D 2220/32 (2013.01); F05D 2300/6033 (2013.01);
Abstract

A hollow CMC article, a mandrel for forming the article and a method for forming the article are disclosed. The article includes a ply-wrap layer defining a cavity. The ply-wrap layer includes a first face, a second face, a root portion bridging the faces, and a plurality of CMC wrap plies. The root portion defines a terminus of the ply-wrap layer including a cross-sectional conformation consisting of a curve having a single turning point. Each of the plurality of CMC wrap plies are disposed along the first face, wrap over the root portion, and extend along the second face. The hollow article further includes a plurality of CMC lateral plies disposed along the faces.


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