Disc for an axial compressor for a centripetal turbine engine

Details Disc for an axial compressor for a centripetal turbine engine Disc for an axial compressor for a centripetal turbine engine

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 5/08 (2006.01) F04D 27/02 (2006.01) F04D 29/32 (2006.01)

Patent

CA 2416158

The invention relates to an axial compressor disk for a turbomachine, the disk including a bleed system for bleeding air centripetally from the compressor stream in order to cool a turbine, said bleed system comprising channels (9) formed outside the working section of the disk and parallel to said section in an extra thickness projecting away from said working section on a face (7) of said disk, wherein the bleed channels (9) are axially open over substantially their entire radial extent.

L'invention concerne un disque de compresseur axial de turbomachine comportant un système de prélèvement centripète d'air dans la veine du compresseur destiné au refroidissement d'une turbine, ledit système de prélèvement comportant des canaux (9) ménagés en dehors de la section travaillante du disque et parallèlement â ladite section dans une surépaisseur faisant saillie hors de ladite section travaillante sur une face (7) dudit disque, caractérisé par le fait que les canaux de prélèvement (9) sont ouverts axialement sur sensiblement toute leur étendue radiale.

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