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US 6,808,624 B1Granted
Replaceable media filtration
OwnerJoe Norrisinventor
Life of this patent
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Abstract
An improved method for using replaceable filtration media in a rotatable drum. A plurality of media cartridges are installed on the rotatable drum. As the drum rotates, the media cartridges are alternately submerged and lifted from the water. The constant cycle of flooding, draining, and tumbling of the media provides excellent water filtration.
Claims15
A replaceable filtration system comprising:
- (a) a drum, rotatably supported in a water treatment tank;
- (b) means for providing fluid communication between said water treatment tank and a second tank;
- (c) means for rotating said drum;
- (d) means for circulating water;
- (e) at least a cartridge for holding replaceable filtration media;
- (f) means for fastening said cartridge to said drum;
- and
- (g) a plurality of capture fins attached to said drum, said capture fins being arranged to capture an air-water mixture for drum rotation.
5 more elements
Dependencies are inferred from the claim text.