F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 5/14 (2006.01) F01D 5/16 (2006.01)
Patent
CA 2091133
57,065 ABSTRACT OF THE DISCLOSURE A tapered twisted rotating blade for the fourth rotating blade row of a BB71 and BB471 turbine has a shroud segment integrally formed on the tip of the airfoil portion such that the shroud is dimensionalized according to materials used so that the tuned frequencies remain the same regardless of materials used, based on changes in Young's modulus due to use of different materials.
Chen Shun
Ferleger Jurek
Bereskin & Parr
Westinghouse Electric Corporation
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