SEAL ASSEMBLY FOR GAS TURBINE ENGINE

A seal assembly (176;476) for a gas turbine engine (20) according to an example of the present disclosure includes, among other things, a seal (169;269;369;469) that has a sealing portion (177;277;377;477) that extends from an engagement portion . The sealing portion (177;277;377;477) has a seal fac...

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Bibliographic Details
Main Authors RUGG, Kevin L, SMIDDY, Winston Gregory
Format Patent
LanguageEnglish
French
German
Published 23.10.2019
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
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Summary:A seal assembly (176;476) for a gas turbine engine (20) according to an example of the present disclosure includes, among other things, a seal (169;269;369;469) that has a sealing portion (177;277;377;477) that extends from an engagement portion . The sealing portion (177;277;377;477) has a seal face (183) that extends circumferentially between first and second mate faces (178;378;378;478). The engagement portion (179;279;379;479) defines an internal cavity (184;284;384;484) that extends circumferentially between the first and second mate faces (178;378;378;478), and the engagement portion (179;279;379;479) has an impingement face (189;289;389;489) opposite the seal face (183) that defines an elongated opening (191;291;391;491) to the internal cavity (184;284;384;484). A method of sealing is also disclosed.
Bibliography:Application Number: EP20190169628