Filter device for garden ponds or similar
AssigneeOase Wübker GmbH & Co. KG
InventorDieter Hoffmeier
Life of this patent
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Abstract
A filter device for filtering flowing liquids comprises a compressible filter medium in a vessel and a device by which the filter medium can be compressed by means of an actuation handle, so that impurities can be pressed out of the filter medium. In addition, the filter device contains a multipath regulator which can be adjusted for filtering, back-rinsing and clear-rinsing by means of three flow paths. It is also possible for the filter device to be outfitted exclusively with a multipath regulator or a compressing device.
Claims23
A filter device for filtering a flowing liquid, comprising:
- a vessel;
- a vessel cover defining an inlet area and an outlet area;
- a central flow conduit arranged in said vessel between said inlet area and said outlet area and having an upstream end and a downstream end relative to a main filtering flow path from the inlet area to the outlet area;
- a compressible filter medium arranged in said vessel along said central flow conduit;
- a first holding surface supporting an end of said compressible filter medium proximate said upstream end of said central flow conduit;
- a second holding surface supporting another end of said compressible filter medium proximate said downstream end of said central flow conduit;
- and
- an actuator connected to said first and second holding surfaces and movable between first and second positions for changing a distance between said first and second holding surfaces, whereby said filter medium is compressible in response to the relative movement of said first and second holding surfaces.
A filter device for filtering a flowing liquid, comprising:
- a vessel;
- a vessel cover defining an inlet area and an outlet area, wherein said outlet area includes a first runoff opening to a pond and a second runoff opening connected to a conduit;
- a central flow conduit arranged in said vessel between said inlet area and said outlet area and having an upstream end and a downstream end relative to a main filtering flow path from the inlet area to the outlet area;
- a compressible filter medium arranged in said vessel along said central flow conduit;
- and
- a multipath regulator arranged in said vessel cover and selectively displaceable for actuating one of first, second, and third flow paths, wherein
- said first flow path comprises the main filtering flow path through said inlet area, said filter medium, and said first runoff opening to the pond;
- said second flow path comprises a back-rinsing flow path through said inlet area and said second runoff opening to said conduit;
- and
- said third flow path comprises a back-rinsing flow path through said inlet area, said filter medium, and said second runoff opening to said conduit.
Dependencies are inferred from the claim text.