VANE OF FLUID MACHINERY PLUS DESIGNING AND MANUFACTURE THEREOF

摘要

PROBLEM TO BE SOLVED: To provide a vane of fluid machinery plus a designing and manufacture thereof that makes possible to mold without using a special mold, but using a planar material, and to improve productivity. SOLUTION: The vane 1 of the fluid machinery drives or is driven by fluid. The curve shape that forms a vane face 2 is formed by one conic face CA or a group of conic faces, or other curves similar to them.