Blade outer air seals, cores, and manufacture methods

Details Blade outer air seals, cores, and manufacture methods Blade outer air seals, cores, and manufacture methods

2011-06-14

2011-06-14

Edgar, Richard (Department: 3745)

Rotary kinetic fluid motors or pumps

With passage in blade, vane, shaft or rotary distributor...

C415S173100

Reexamination Certificate

active

07959407

ABSTRACT:
A blade outer air seal (BOAS) casting core has first and second end portions and a plurality of legs. Of these legs, first legs each have: a first end joining the first end portion; a main body portion; and a second end. Second legs each have: a second end joining the second end portion; a main body portion; and a first portion. At least one of the second legs may have its first end joining the core first end portion and a plurality of apertures in the main body portion. Alternatively, at least one of the first legs may have its second end joining the core second end portion and a plurality of apertures in its main body portion.

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European Search Report for EP Patent Application No. 07252977.9, dated Apr. 6, 2011.

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