BLADE OUTER AIR SEAL WITH CORED PASSAGES

摘要

A blade outer air seal for a gas turbine engine includes a wall, a forward hook, and an aft hook. The wall extends between the forward hook and the aft hook, which are adapted to mount the blade outer air seal to a casing of the gas turbine engine. The wall includes a cored passage extending along at least a portion of the wall. The cored passage extends radially and axially through a portion of the aft hook to communicate with one or more apertures along a trailing edge of the aft hook.

主权项

1. A blade outer air seal for a gas turbine engine, comprising:
a first wall disposed radially inward from a casing of the gas turbine that at least partially defines a first plenum between the casing and the first wall, the first wall comprising:
a forward hook;an aft hook, wherein the forward and aft hooks are adapted to mount the blade outer air seal to the casing; anda plurality of cored passages each extending radially and axially through at least a portion of the first wall, the plurality of cored passages being enclosed by the first wall for a substantial length of each cored passage; anda plurality of apertures along a trailing edge of the blade outer air seal, wherein the cored passages communicate with the first plenum and at least one of the plurality of apertures to form a flow path therebetween; and a second wall disposed radially inward from the casing and adjacent to the first wall to at least partially define a second plenum, wherein the apertures communicate with the second plenum.