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

2011-01-25

2011-01-25

Kershteyn, Igor (Department: 3745)

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

Between blade edge and static part

C415S115000

Reexamination Certificate

active

07874792

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 proximal end joining the first end portion; a main body portion; and a free distal portion. Second legs each have: a proximal end joining the second end portion; a main body portion; and a free distal portion.

REFERENCES:
patent: 5486090 (1996-01-01), Thompson et al.
patent: 5538393 (1996-07-01), Thompson et al.
patent: 5609469 (1997-03-01), Worley et al.
patent: 7650926 (2010-01-01), Tholen
patent: 7686068 (2010-03-01), Tholen et al.

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