IMPELLER

摘要

The present invention relates to an impeller. According to the present invention, the impeller comprises a first impeller part where a coupling protrusion is formed in one end part, and a second impeller part connected to the first impeller part, forming a coupling groove which is coupled to the coupling protrusion. According to the present invention, designing is easy as the impeller is manufactured in a two-stage, and a high-performance impeller can be designed. Accordingly, performance and efficiency of the impeller can be maximized.