Internally cooled airfoil blade

Details Internally cooled airfoil blade Internally cooled airfoil blade

F - Mech Eng,Light,Heat,Weapons

02

C

F02C 7/12 (2006.01) F01D 5/18 (2006.01)

Patent

CA 2021097

13DV 8932 INTERNALLY COOLED AIRFOIL BLADE ABSTRACT OF THE DISCLOSURE An airfoil blade for a turbine, compressor, fan, and the like, especially for a jet engine turbine rotor and stator. The blade has an airfoil body including a coolant passageway having a generally straight centerline running within and down the middle of the passageway, the centerline being generally parallel to the longitudinal axis of the passageway. The passageway has an insert (such as an attached helical fin, or a passageway partition twisted about the centerline of the passageway), or the passageway is non-circular and twisted about the centerline, for imparting helical motion to longitudinally directed coolant flow.

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