| 摘要 |
PROBLEM TO BE SOLVED: To provide a turbine stationary blade structure enabling effective cost reduction of a turbine. SOLUTION: In the turbine stationary blade structure provided with an outer ring implant outer shroud 3 on one end of each nozzle blade 2 and an inner shroud 4 on which a labyrinth seal 5 installed in a gap with a turbine rotor can be installed on another end thereof, alternate steps 4a, 4b in opposing surfaces of the inner shroud of adjoining nozzle blades are provided and are made in contact on over-all surface as a self restraint means increasing rigidity in a circumference direction of the inner shroud of each nozzle blade. COPYRIGHT: (C)2008,JPO&INPIT
|
