| 摘要 |
An impeller assembly of a fluid rotary machine includes: a rotation shaft; a base unit coupled to the exterior of the rotation shaft; a plurality of blades which extend from the rotation shaft to the outside in radial directions, are arranged around the rotation shaft, are spaced apart from each other in the circumferential direction, and include narrowly stepped units formed on ends opposite to the base unit; and a plurality of shroud plates which are disposed between the adjacent blades and have edges mounted on the stepped units of the adjacent blades wherein the edges are coupled to the stepped units by welding. |
