Turbine rotor blade and fixation structure thereof

Details Turbine rotor blade and fixation structure thereof Turbine rotor blade and fixation structure thereof

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 5/30 (2006.01)

Patent

CA 2674175

Disclosed is a turbine rotor blade that is highly manufacturable and capable of reducing the stress caused by centrifugal force. The turbine rotor blade includes: a vane portion having a blade leading edge which is positioned upstream in the distribution direction of working fluid, and a blade trailing edge which is positioned downstream of the blade leading edge; and a blade base portion which is extended unidirectionally on a base side of the vane portion and engaged with a blade groove formed in the outer circumference of a turbine rotor. The turbine rotor circumferential position of the end of the blade base portion on the side toward the blade leading edge is different from the turbine rotor circumferential position of the end of the blade base portion on the side toward the blade trailing edge.

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