| 摘要 |
A motor assembly including a motor, a shaft, a gear assembly and an air compressor, encompassed by a vacuum casing and an impeller housing encompassing a number of evenly spaced impellers and impeller casings, the impellers being driven by the shaft of the motor assembly and the air compressor being driven indirectly by the motor through the gear assembly. The motor assembly and the impeller housing and related parts fit in a cylindrical cavity of a body so as to provide suction; high volume, low pressure air compression; and low volume, high pressure air compression. The body has a handle with a light on its front end.
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