| 摘要 |
The present invention relates to a motor assembly which is used for a domestic cleaning apparatus and the like, the motor assembly comprising: a stator; a rotor which electromagnetically interacts with the stator and is rotatable; and a shaft coupling unit which has an impeller body, a plurality of blades that generate air current by means of rotation, and a rotor shaft press fit such that the impeller and the rotor shaft operate integrally. According to the present invention, life can be extended by having strong coupling of the impeller and the rotor shaft, and the impeller and the rotor shaft can be coupled while maintaining a concentric state. |
