Nilfisk A/s

Nilfisk-advance A/s

Anders Foenss

A filter element for a dirt suction device is provided, with a filter frame, on which a filter medium is attached, wherein on the filter frame, a continuous seal is arranged, the inner circumferential surface of which is arranged on an outer circumferential surface of the filter frame and has a section that radially protrudes over the filter frame, wherein a groove is arranged on a front side of the protruding section of the seal, and that a sealing surface is arranged on the opposite front side of the protruding section of the seal.

Filter element and dirt suction device with filter receptacle for such a filter element

A method for operating a suction-type cleaner, in which, in a manner controlled in the filter dedusting position by an electromagnetically actuated switchover valve arrangement (), at least one filter (), through which the dirt-laden air flow passes, is dedusted in the opposite direction to said air flow, and the dirt-laden suction air from the dirt-collecting container () firstly passes through the at least one filter () which is adjoined, in the flow direction, by a suction chamber (), which is adjoined downstream by an intermediate chamber () which is arranged on the suction side of the turbine (), and a pressure chamber () is arranged downstream of the turbine (), wherein, in order to reduce the actuating force of the switchover valve arrangement () in the dedusting position of the suction-type cleaner, the pressure between the pressure chamber () and the intermediate chamber () is equalized.

Suction-type cleaner with dedusting control for the filter or filters

A vacuum cleaner having a housing that consists of a bottom part with a dirt receptacle and a top part. At least one filter is arranged in the housing and an intake airflow can flow through it, and the housing has at least one hinged housing in which the at least one filter is arranged.

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Gistrup, Denmark

Anders Foenss