US 6,981,845 B2 | ||
Blade for a turbine comprising a cooling air deflector | ||
Morgan Lionel Balland, Paris (France); and Sylvie Coulon, Bois le Roi (France) | ||
Assigned to Snecma Moteurs, Paris (France) | ||
Appl. No. 10/474,038 PCT Filed Apr. 17, 2002, PCT No. PCT/FR02/01325 § 371(c)(1), (2), (4) Date Oct. 14, 2003, PCT Pub. No. WO02/086291, PCT Pub. Date Oct. 31, 2002. |
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Claims priority of application No. 01 05289 (FR), filed on Apr. 19, 2001. | ||
Prior Publication US 2004/0115054 A1, Jun. 17, 2004 | ||
Int. Cl. F01D 5/08 (2006.01) |
U.S. Cl. 416—96R | 20 Claims |
19. A turbine blade, comprising:
a dovetail root configured to fit the blade into a compartment of a turbine disk;
an internal air cooling circuit comprising an air inlet located on a face of the dovetail root facing the compartment; and
means for preventing a formation of a vortex on a cooling air flow flowing from the compartment to the air cooling circuit
through the air inlet.
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