| 摘要 |
PROBLEM TO BE SOLVED: To provide a blowing device capable of attaining high cooling effect of a motor, preventing invasion of water droplets or the like and noises such as wind noises, a simple structure for easy assembly, and high economic effect. SOLUTION: One end of a cooling passage 21 for communicating a housing 3 of a motor M with a blowing case 1 formed so as to be increased in the diametrical and axial directions toward a delivery opening is communicated with the inner wall 1b of the blowing case 1, and the other end is communicated with the side wall of the housing 3 respectively. |
