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US 5,084,175 AGranted
Pool filter
AssigneeOase-Pumpen Wubker Sohne Gmbh & Co., Maschinenfabrik
InventorDieter Hoffmeier
Life of this patent
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AssigneeOase-Pumpen Wubker Sohne Gmbh & Co., Maschinenfabrik
InventorDieter Hoffmeier
Estimating the term…
A pool filter with a housing having at least one opening for an inlet and at least one additional opening for an outlet, in which housing at least one filter pad in contact with its margins is arranged with both its sides freely accessible such that one side of the pad is connected to an inlet chamber and the other side of the pad to an outlet chamber, is configured for the purpose of easy adaptability to various filter capacity and fineness requirements and for easy handling and maintenance such that the housing includes a plurality of flatly stackable housing elements each with at least one filter pad which form terminal units and intermediate units of a pool filter set, the intermediate units being configured identical to one another and having next to the filter pad a bottom for separating the inlet chamber and outlet chamber of adjacent filter pads.
A filter assembly formed by a plurality of filter units which are stackable on one another to form a stacked filter assembly without requiring a separate housing for the stacked filter assembly, comprising a plurality of filter units, each of said filter unit comprising a pan unit and a filter pad in said pan unit, each of said pan units having a bottom wall means, said filter pad being spaced from said bottom wall means to define an inlet space between said bottom wall means and said filter pad, each of said pan units having inlet means formed as inlet openings disposed as an outer edge portion of each pan unit, each of said pan units having integral connecting means for connecting juxtaposed pan units to one another such that an outlet chamber is formed between the bottom wall means of one pan unit and the filter pad of a juxtaposed pan unit with the fluid passing from said inlet space through said filter pad to said outlet chamber, each of said pan units having an integral central outlet means communicating with its respective outlet chamber and with the outlet means of juxtaposed pan units to define a common outlet for the fluid from said plurality of filter units, each of said outlet chambers having an outer marginal area formed by the respective pan unit and which abuts against the filter pad of a juxtaposed filter unit when said plurality of filter units are connected together by said connecting means, whereby a plurality of identical filter units are thereby connectable to one another to form a stacked filter assembly without requiring a separate housing for the stacked filter assembly.
A filter assembly formed by a plurality of filter units which are stackable on one another to form a stacked filter assembly without requiring a separate housing for the stacked filter assembly, comprising a plurality of filter units, each of said filter units comprising a pan unit and a filter pad in said pan unit, each of said pan units having a bottom wall, said filter pad being spaced from said bottom wall to define an inlet space between said bottom wall and said filter pad, each of said pan units having inlet means formed as inlet openings disposed at an outer edge portion of each pan unit, each of said pan units having connecting means for connecting juxtaposed pan units to one another such that an outlet chamber is formed between the bottom wall of one pan unit and the filter pad of a juxtaposed pan unit with the fluid passing from said inlet space through said filter pad to said outlet chamber, each of said pan units having a central outlet means communicating with its respective outlet chamber and with the outlet means of juxtaposed pan units to define a common outlet for the fluid from said plurality of filter units, each of said pan units having an abutting means which abuts against the filter pad of a juxtaposed filter unit when said plurality of filter units are connected together by said connecting means, whereby a plurality of identical filter units are thereby connectable to one another to form a stacked filter assembly without requiring a separate housing for the stacked filter assembly.
Dependencies are inferred from the claim text.