Closed-loop air cooling system for a turbine engine

Details Closed-loop air cooling system for a turbine engine Closed-loop air cooling system for a turbine engine

F - Mech Eng,Light,Heat,Weapons

02

C

F02C 7/18 (2006.01) F01D 5/08 (2006.01) F01D 25/12 (2006.01)

Patent

CA 2250024

Method and apparatus are disclosed for providing a closed-loop air cooling system for a turbine engine. The method and apparatus provide for bleeding pressurized air from a gas turbine engine compressor for use in cooling the turbine components. The compressed air is cascaded through the various stages of the turbine. At each stage a portion of the compressed air is returned to the compressor where useful work is recovered.

L'invention concerne un procédé et un dispositif permettant d'installer un système de refroidissement par air en circuit fermé dans une turbine. Le procédé et le dispositif permettent d'évacuer l'air sous pression d'un compresseur de turbine afin qu'il refroidisse les composants de cette dernière. L'air comprimé est envoyé en cascade dans les différents étages de la turbine. A chaque étage, une partie de l'air est renvoyée au compresseur, où le travail utile est récupéré.

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