Gas turbine with blade temperature control

Details Gas turbine with blade temperature control Gas turbine with blade temperature control

F - Mech Eng,Light,Heat,Weapons

02

C

170/67

F02C 7/12 (2006.01) F02C 6/18 (2006.01) F02C 7/143 (2006.01)

Patent

CA 1196287

-16- ABSTRACT A gas turbine in which hot gas is directed only over a portion or preselected number of the turbine blades and means are provided for directing a flow of a cooling gas over another portion or different preselected number of blades. In accordance with a preferred embodiment, the means for providing cooling gas comprises a compressor means located adjacent the turbine. Preferably the gas turbine comprises a plurality of alternating compressor means and turbine stages wherein the direction of flow of cooling gas is countercurrent to that of the hot gas flowing through the turbine stages.

428373

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