Axial centrifugal compressor with scalable rake angle

Details Axial centrifugal compressor with scalable rake angle Axial centrifugal compressor with scalable rake angle

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 29/30 (2006.01)

Patent

CA 2755017

The invention relates to a mobile wheel for a centrifugal or axial centrifugal compressor for a turbine engine, that comprises a base (2) on which a plurality of vanes (3) are attached at their feet (6) and extend between a leading edge (8) and a trailing edge (9), said trailing edge being inclined at the base (6) of the vane (3) by a slope angle a relative to the middle plane extending through the base thereof in the rotation direction of said compressor (1), characterised in that the trailing edge (9) has at the head (7) of the vane (3) a slope angle ß smaller than the slope angle a at the vane base.

Roue mobile pour compresseur centrifuge ou axialo-centrifuge de turbomachine, comportant un socle (2) sur lequel sont fixées par leur pied (6) une pluralité d'aubes (3) s'étendant entre un bord d'attaque (8) et un bord de fuite (9), ledit bord de fuite étant incliné au niveau du pied (6) de l'aube (3) d'un angle de pente .alpha. par rapport au plan méridien qui le 10 traverse en son pied, dans le sens de rotation dudit compresseur (1), caractérisé en ce que le bord de fuite (9) présente au niveau de la tête (7) de l'aube (3) un angle de pente .beta. inférieur à son angle de pente a en pied d'aube.

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