A screw turbine device

Details A screw turbine device A screw turbine device

F - Mech Eng,Light,Heat,Weapons

03

D

F03D 3/06 (2006.01) F03B 3/12 (2006.01) F03B 17/00 (2006.01) F03D 1/06 (2006.01)

Patent

CA 2514965

A screw turbine device (1) comprising at least one helical blade (4) that is rotatable about an axis (6), the cross section of the blade (4) being in the shape of the profile (15) of an aeroplane wing, and where the aeroplane wing- like profile (15) projects from the outer radial extent of the blade (4) and in to the shaft (2) of the screw turbine (1).

L'invention concerne une turbine à vis (1) comprenant au moins une pale hélicoïdale (4) pouvant tourner autour d'un axe (6), la section transversale de la pale (4) présentant un profil (15) d'aile d'avion, ce profil (15) s'étendant entre l'extrémité radiale externe de la pale (4) et l'arbre (2) de la turbine à vis (1).

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