| 摘要 |
A suction machine intended for a dental or surgical suction installation is specified that includes a separating unit, which contains a rotor and is used to separate liquid and if appropriate solid constituents from a suctioned mixture of air, liquid and if appropriate solids, and a suction fan, which is connected to an air outlet of the separating unit and has a housing and an impeller. The suction fan is designed as a radial fan whose impeller is driven by an electrically commuted electric motor, which drives the rotor of the separating unit via a gearing.
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