Suction cleaning device
A suction cleaning appliance comprises a dust container (12) with inlet (18), filter (24) and a lead (20) connected to a suction unit (16). There is an air inlet through a closable valve with sealing lines that bound a surface that is impacted by a pressure difference in the closed position. The squ...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | A suction cleaning appliance comprises a dust container (12) with inlet (18), filter (24) and a lead (20) connected to a suction unit (16). There is an air inlet through a closable valve with sealing lines that bound a surface that is impacted by a pressure difference in the closed position. The square of the total length of the sealing lines is at least 25 times the total size of all the bounding surfaces under a pressure differential. |
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