| 摘要 |
A pair of one piece cast impellers having radially extending curved and twisted three dimensional blades and being in a compressor housing which is connected to a drive motor and the impellers being mounted onto a motor drive shaft by jamming or press fitting the impellers on the shaft to provide a two stage radial compressor wherein the drive motor (5), a drive shaft (14) on which there a arranged two impellers (10, 12) there is envisaged that the drive motor (5) is a fast-running asynchronous motor with a speed in excess of 10,000 rpm and a power of around 5 to 10 kW. ® KIPO & WIPO 2008
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