DOUBLE BOX COMPOSITE SEAL ASSEMBLY FOR GAS TURBINE ENGINE

DOUBLE BOX COMPOSITE SEAL ASSEMBLY FOR GAS TURBINE ENGINE

A seal assembly (176) for a gas turbine engine (20) according to an aspect of the present disclosure includes, among other things, a seal (69; 169; 269) that has a main body (170; 270) extending circumferentially between opposed mate faces (178; 278). The main body (170; 270) has a sealing portion (...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: FERNANDEZ, Robin H
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ARTIFICIAL STONE
BLASTING
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
LIME, MAGNESIA
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
METALLURGY
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
REFRACTORIES
SLAG
STEAM ENGINES
TREATMENT OF NATURAL STONE
WEAPONS
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Beschreibung
Zusammenfassung:A seal assembly (176) for a gas turbine engine (20) according to an aspect of the present disclosure includes, among other things, a seal (69; 169; 269) that has a main body (170; 270) extending circumferentially between opposed mate faces (178; 278). The main body (170; 270) has a sealing portion (177; 277) and an engagement portion (179; 279) extending outwardly from sealing portion (177; 277) along at least one of the mate faces (178; 278). The main body (170; 270) includes one or more braided core plies having a first fiber construction and arranged to establish an internal cavity (184). An overwrap (194) having one or more braided overwrap plies follows a perimeter of the one or more braided core plies to establish the engagement portion (179; 279) and the sealing portion (177; 277). The one or more braided overwrap plies have a second fiber construction differing from the first fiber construction. A method of fabricating a seal (69; 169; 269) for a gas turbine engine (20) is also disclosed.