Ceramic matrix composite turbine nozzle shell and method of assembly
Abstract
A ceramic matrix composite turbine nozzle includes a primary outer nozzle platform; a primary inner nozzle platform; and an airfoil-shaped body extending between the primary inner and primary outer nozzle platforms. The body includes core plies defining a cavity; composite wrap plies circumscribing the core plies and defining an airfoil shape; a secondary outer nozzle platform in contact with the primary outer nozzle platform; and a secondary inner nozzle platform in contact with the primary inner nozzle platform. Each composite wrap ply has two layers of unidirectional fibers oriented transverse to each other and has first and second longitudinal edges. The first and second longitudinal edges are cut into fingers, which are folded in a transverse direction away from a turbine nozzle longitudinal axis and are interleaved between platform plies to define the secondary inner nozzle platform and the secondary outer nozzle platform.
- Inventors:
- Issue Date:
- Research Org.:
- General Electric Co., Schenectady, NY (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1824077
- Patent Number(s):
- 11035239
- Application Number:
- 16/170,794
- Assignee:
- General Electric Technology GmbH (Schenectady, NY)
- Patent Classifications (CPCs):
-
B - PERFORMING OPERATIONS B32 - LAYERED PRODUCTS B32B - LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
C - CHEMISTRY C04 - CEMENTS C04B - LIME, MAGNESIA
- DOE Contract Number:
- FE0024006
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 10/25/2018
- Country of Publication:
- United States
- Language:
- English
Citation Formats
de Diego, Peter, Greene, III, John Ellington, Hafner, Matthew Troy, Hobart, David Randall, and Murray, James Joseph. Ceramic matrix composite turbine nozzle shell and method of assembly. United States: N. p., 2021.
Web.
de Diego, Peter, Greene, III, John Ellington, Hafner, Matthew Troy, Hobart, David Randall, & Murray, James Joseph. Ceramic matrix composite turbine nozzle shell and method of assembly. United States.
de Diego, Peter, Greene, III, John Ellington, Hafner, Matthew Troy, Hobart, David Randall, and Murray, James Joseph. Tue .
"Ceramic matrix composite turbine nozzle shell and method of assembly". United States. https://www.osti.gov/servlets/purl/1824077.
@article{osti_1824077,
title = {Ceramic matrix composite turbine nozzle shell and method of assembly},
author = {de Diego, Peter and Greene, III, John Ellington and Hafner, Matthew Troy and Hobart, David Randall and Murray, James Joseph},
abstractNote = {A ceramic matrix composite turbine nozzle includes a primary outer nozzle platform; a primary inner nozzle platform; and an airfoil-shaped body extending between the primary inner and primary outer nozzle platforms. The body includes core plies defining a cavity; composite wrap plies circumscribing the core plies and defining an airfoil shape; a secondary outer nozzle platform in contact with the primary outer nozzle platform; and a secondary inner nozzle platform in contact with the primary inner nozzle platform. Each composite wrap ply has two layers of unidirectional fibers oriented transverse to each other and has first and second longitudinal edges. The first and second longitudinal edges are cut into fingers, which are folded in a transverse direction away from a turbine nozzle longitudinal axis and are interleaved between platform plies to define the secondary inner nozzle platform and the secondary outer nozzle platform.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2021},
month = {6}
}
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