摘要 |
PROBLEM TO BE SOLVED: To provide a vacuum cleaner with a motor cooling function.SOLUTION: A vacuum cleaner has a dirt-separation stage, and a vacuum motor for moving air through the dirt-separation stage. The vacuum motor includes an impeller driven by an electric motor. The impeller is located upstream of the dirt-separation stage, the electric motor is located downstream of the dirt-separation stage, and at least part of the air discharged from the dirt-separation stage is used to cool the electric motor.SELECTED DRAWING: Figure 3 |