Radial turbine rotor with improved saddle life

Details Radial turbine rotor with improved saddle life Radial turbine rotor with improved saddle life

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 5/28 (2006.01) F01D 5/04 (2006.01)

Patent

CA 2069109

2069109 9109209 PCTABS00005 A radial inflow rotor (10) for a gas turbine engine has a dual structure for improving the low cycle fatigue life of the saddle region (18). The interior core or hub of the rotor is a high strength polycrystalline alloy while a series of outer blade segments (14) is individually cast as single crystals and bonded so that their low modulus (100) crystallographic axis is aligned substantially tangential to the rotor's circumference at the saddle.

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