| 摘要 |
PURPOSE: A vacuum cleaner with a two stages centrifugal compressor is provided to comprise a plurality of connecting members with an impeller and a diffuser for reducing the noise generated when operating the vacuum cleaner. CONSTITUTION: A vacuum cleaner with a two stages centrifugal compressor comprises an assembly housing (310), a stator (320), a rotor (330), and connecting members (340,350). The stator is positioned inside the assembly housing. The rotor is inserted into the stator and includes a rotary shaft. The connecting members include impellers (341,351) and diffusers (342,352). The impellers are rotatably positioned on the rotary shaft and the diffusers are positioned along the outer circumference of the impeller. The connecting members are equipped on the rotary shaft.
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