| 摘要 |
PROBLEM TO BE SOLVED: To restrain generation of abnormal sound from a fan by stabilizing the natural frequency of the fan, concerning a fan holding structure. SOLUTION: A rotary shaft of a fan motor and a shaft for holding the fan are provided inside and outside a boss of the fan, the rotary shaft of the fan motor and the shafts inside and outside the boss are fastened at least each one part by springs and held. |
