Compressor impeller blade with variable elliptic connection

Details Compressor impeller blade with variable elliptic connection Compressor impeller blade with variable elliptic connection

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 29/28 (2006.01) F01D 5/34 (2006.01) F02C 6/12 (2006.01) F04D 29/30 (2006.01)

Patent

CA 2724073

The invention relates to a compressor impeller that comprises at least one blade (24) connected to an impeller hub (26) by a curve-shaped connection, wherein said blade extends along a chord (27) defined between a leading edge and a trailing edge of the blade. The invention is characterised in that the connection has an elliptic shape (P, Q) that varies along the chord.

L'invention concerne un rouet de compresseur comportant au moins une pale (24) reliée à un moyeu du rouet (26) par un raccordement de forme courbe, ladite pale s'étendant selon une corde définie (27) entre un bord d'attaque et un bord de fuite de la pale. L'invention se caractérise par le fait que le raccordement (27) présente une forme elliptique (P, Q) évoluant le long de la corde.

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