Airfoil mini-core plugging devices

Details Airfoil mini-core plugging devices Airfoil mini-core plugging devices

2007-07-27

2010-10-19

Nguyen, Ninh H (Department: 3745)

Rotary kinetic fluid motors or pumps

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

C416S09700R

Reexamination Certificate

active

07815414

ABSTRACT:
A turbine engine component, such as a high pressure turbine vane, has an airfoil portion and at least one coolant system embedded within the airfoil portion. Each coolant system has an exit through which a cooling fluid flows, which exit has at least one device for preventing deposits from interfering with the flow of cooling fluid from the exit. The at least one device may be at least one depression and/or at least one grill structure formed from elongated ribs.

REFERENCES:
patent: 4820123 (1989-04-01), Hall
patent: 7052233 (2006-05-01), Fried et al.
patent: 7128530 (2006-10-01), McFeat et al.
patent: 7695243 (2010-04-01), Lee et al.

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