AIRFOIL WITH CMC LINER AND MULTI-PIECE MONOLITHC CERAMIC SHELL

AIRFOIL WITH CMC LINER AND MULTI-PIECE MONOLITHC CERAMIC SHELL

An airfoil (58) includes an airfoil section (60) that has an airfoil wall (62) that surrounds a cavity (63). The airfoil wall (62) includes an exterior monolithic ceramic shell (64) and an interior CMC liner (66) that has CMC plies (66a, 66b, 66c, 66d). An outermost ply (66d) of the CMC plies (66a,...

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Hauptverfasser: MARTIN, Thomas J, HOLOWCZAK, John E, ATTRIDGE, Paul, CROTEAU, Paul F, KENNEDY, Matthew B
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BLASTING
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
STEAM ENGINES
WEAPONS
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creator MARTIN, Thomas J
HOLOWCZAK, John E
ATTRIDGE, Paul
CROTEAU, Paul F
KENNEDY, Matthew B
description An airfoil (58) includes an airfoil section (60) that has an airfoil wall (62) that surrounds a cavity (63). The airfoil wall (62) includes an exterior monolithic ceramic shell (64) and an interior CMC liner (66) that has CMC plies (66a, 66b, 66c, 66d). An outermost ply (66d) of the CMC plies (66a, 66b, 66c, 66d) forms tabs (68) that are raised from an underlying ply (66c) so as to define a slot (70). The exterior monolithic ceramic shell (64) includes an underlapping shell piece (76, 78) and an overlapping shell piece (72, 74). The underlapping shell piece (76, 78) has a portion disposed in the slot (70) and bonded with the tabs (68). The overlapping shell piece (72, 74) extends over the tabs (68) and is bonded to the tabs (68). There are channels (82) bounded by adjacent ones of the tabs (68), the underlapping shell piece (76, 78), and the overlapping shell piece (72, 74). Channel orifices (82a) through the CMC liner (66) connect the cavity (63) and the channels (82).
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language eng ; fre ; ger
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subjects BLASTING
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
STEAM ENGINES
WEAPONS
title AIRFOIL WITH CMC LINER AND MULTI-PIECE MONOLITHC CERAMIC SHELL
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