Axial-flow fluid machine blade

Details Axial-flow fluid machine blade Axial-flow fluid machine blade

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 29/38 (2006.01) F01D 5/14 (2006.01) F01D 9/02 (2006.01)

Patent

CA 2640697

An axial-flow fluid machine blade which achieves reduction of the frictional loss of the blade and provision of a high surge-resistant property is provided. An axial-flow fluid machine blade (60) used for an axial-flow fluid machine includes a leading edge (61) projecting at the tip portion and the root portion thereof toward the upstream side and a trailing edge (62) projecting at the tip portion, the mid-span portion and the root portion thereof toward the downstream side.

La présente invention concerne une lame destinée à une machine à fluide à écoulement axial qui permet de réduire sa perte par frottement et qui présente une résistance aux surtensions. Dans la lame (60) pouvant s'utiliser avec la machine à fluide à écoulement axial, son bord avant (61) fait saillie vers le côté situé en amont de sa partie pointe et de sa partie base, et son bord arrière (62) fait saillie vers le côté situé en aval de sa partie pointe, sa partie centrale et de sa partie base.

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