Device for filtering storm water
AssigneeBeyond Clean Water AB
InventorNiels Dannrup
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Abstract
The present invention relates to a device (1) for filtering storm water inside a storm drain. The device (1) comprises a filter unit (2), a metal capturing ballast unit (6), and a floating carrier (4) for carrying the filter unit and the metal capturing ballast unit (6). Whereby, in use, the device (1) is arranged in a floating condition in the storm water of the storm drain. The filter unit (2) is at least partially arranged above a surface (5) of the storm water, and the metal capturing ballast unit (6) is arranged below the surface (5) of the storm water. The metal capturing ballast unit (6) comprises a solid material for capturing metal and providing ballast.
Claims11
A device for filtering storm water inside a storm drain, comprising:
- a storm water pervious filter unit arranged at least partially above the surface of the storm water,
- a storm water pervious metal capturing ballast unit arranged below the surface of the storm water,
- a floating carrier located between the overhead filter unit and the below ballast unit for supporting the filter unit and the metal capturing ballast unit in the storm water and enabling the device to float on the storm water so that storm water enters the pervious filter and the pervious ballast unit, and
- wherein the metal capturing ballast unit contains a solid material for capturing metal and providing ballast.
Dependencies are inferred from the claim text.