SUCTION DEVICE

摘要

The invention proposes a suction apparatus which comprises a suction subassembly (30), a housing (12), in which the suction subassembly (30) is arranged, and a liquid-filter unit (26), which is positioned in a releasable manner on a retaining region (24) on the housing (12), wherein the liquid-filter unit (26) has a suction inlet (78) and a suction outlet (106), wherein an openable and closeable cover (38) is provided and, at least in a closed position, is arranged on the housing (12), wherein, with the cover (12) closed, the liquid-filter unit (26) is positioned between the cover (12) and the retaining region (24), and wherein a channel device (100) is provided, this being arranged on the cover (12) and having an inlet (120) and an outlet (130), wherein, with the cover (12) closed, the inlet (120) of the channel device (100) is in fluidically active connection with the suction outlet (106) of the liquid-filter unit (26) and the outlet (130) of the channel device (100) is in fluidically active connection with the suction subassembly (30).