Common tip chamber blade

Details Common tip chamber blade Common tip chamber blade

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 5/18 (2006.01)

Patent

CA 2512418

A turbine blade (10) includes an airfoil (16) having pressure and suction sidewalls (22,24) spaced apart between opposite leading and trailing edges (26,28) and interconnected by a plurality of partitions (42) to define first and second independent cooling circuits (44,46) therein. The cooling circuits (44,46) have corresponding inlets in a dovetail (20) of the blade (16) and extend through a platform (18) of the blade and through the airfoil (16) to its tip (32). A common discharge chamber (52) is disposed below the airfoil tip (32) and includes a plurality of outlet holes (54,56) for discharging cooling air from the circuits.

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