Power plants – Combustion products used as motive fluid – Combustion products generator
Patent
1997-09-25
2000-08-01
Kim, Ted
Power plants
Combustion products used as motive fluid
Combustion products generator
415115, 416 96R, F02C 618, F02D 2958
Patent
active
060949058
ABSTRACT:
A gas turbine is equipped with a moving blade cooling apparatus arranged in association with a turbine rotor in which a plurality of discs are mounted, a plurality of moving blades are mounted each to an outer peripheral portion of each of the discs and a plurality of spacers are also disposed in spaces between the respective discs at portions corresponding to a location of stationary blades and in which the moving blades are formed each with a cooling medium flowing passage and the discs and the spacers are arranged with spaces therebetween for passing a cooling medium in a radial direction of the rotor. A closed-loop cooling unit is thus formed for supplying the cooling medium to the cooling medium flowing passage formed in the moving blade and recovering the same therefrom. A passage assembly, which is provided with a cooling medium supplying passage and a cooling medium recovering passage running in parallel with each other in an axial direction of the turbine rotor, is provided at a central axis portion of the turbine rotor, the cooling medium supplying passage of the passage assembly is formed with a cooling medium supplying port in communication with a side of a cooling medium inlet of the cooling medium flowing passage formed in the moving blade, and the cooling medium recovering passage of the passage assembly is formed with a cooling medium recovering port in communication with a cooling medium outlet of the cooling medium flowing passage in the moving blade.
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Kabushiki Kaisha Toshiba
Kim Ted
LandOfFree
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