Turbine engine with air cooled turbine

Details Turbine engine with air cooled turbine Turbine engine with air cooled turbine

F - Mech Eng,Light,Heat,Weapons

02

C

F02C 7/18 (2006.01) F01D 5/08 (2006.01) F01D 9/06 (2006.01) F01D 25/12 (2006.01) F02C 7/12 (2006.01)

Patent

CA 2464209

In a turbine engine (10), low temperature air is diverted from a low pressure section of the compressor section of the engine to cool the high pressure turbine of the engine. Low pressure air is diverted from the compressor section, and its pressure is thereafter be increased. the pressure is increased in an intermediate cavity (80) in the engine, where rotational energy of the diverted air is converted to static pressure by way of an obstruction (88) that converts dynamic head of the air in the cavity into static pressure.

L'invention concerne un moteur à turbine (10), dans lequel l'air à basse température est dévié d'une partie à basse pression de la partie compresseur du moteur en vue de refroidir la turbine à haute pression du moteur. L'air à basse pression est dévié de la partie compresseur et sa pression est, par la suite, augmentée. La pression est augmentée dans une cavité intermédiaire (80) du moteur, où l'énergie de rotation de l'air dévié est transformée en pression statique par le biais d'une obstruction (88) qui convertit la charge dynamique de l'air dans la cavité en pression statique.

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