| 摘要 |
PROBLEM TO BE SOLVED: To provide an air blower improved in cooling efficiency to a motor.SOLUTION: An air blower includes a fan 80, a fan case having an intake port and an exhaust port for sucking and discharging air by rotation of the fan and storing the fan, a motor M for driving the fan, and a motor case 60 fixed to the fan case and storing the motor. The air outside of the fan case and the motor case flows into the motor case through a ventilation path P and a clearance C by Venturi effect of air W1 flowing into the motor case from a guide part 25 through a ventilation port 66 by rotation of the fan.SELECTED DRAWING: Figure 3 |
