| 摘要 |
A blower for use with a hand dryer and the like has a motor; an impeller driven by the motor; a diffuser for directing air from the impeller; and a housing accommodating the motor, the impeller and the diffuser. The motor has a rotor and a stator. The rotor has a shaft, a rotor core fixed to the shaft, a ring magnet fixed to the rotor core, and a protective sleeve surrounding the ring magnet.
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