Greywater recycling apparatus

Details Greywater recycling apparatus Greywater recycling apparatus

2007-09-11

2007-09-11

Lithgow, Thomas M. (Department: 1724)

Liquid purification or separation

Filter

With residue removing means or agitation of liquid

C210S474000, C210S109000, C210S116000, C210S121000, C210S416100, C210S258000

Reexamination Certificate

active

11036824

ABSTRACT:
The invention provides a unitary device for converting an open-top container into a greywater recycling apparatus comprising a vessel lid having a submersible float switch-operated pump depending therefrom by extension means sized to enable the positioning of the pump adjacent the inner floor of a container to be covered by the lid, and further having an inlet pipe in fluid connection with a first primary filter means for removing coarse particles and fibers from greywater fed thereto, the first primary filter having an outlet feeding into a second fine filtering means, the filtering means being attached to the underside of the lid, the arrangement being such that after passing through the primary filter means and the fine filtering means, the filtered water falls under the influence of gravity to the bottom of the container to be pumped by the pump through an outlet provided in the lid.

REFERENCES:
patent: 3915857 (1975-10-01), Olson
patent: 4197597 (1980-04-01), Toms
patent: 4867877 (1989-09-01), Hansen et al.
patent: 5557812 (1996-09-01), Sayant
patent: 5575908 (1996-11-01), Mondragon, Jr.
patent: 6004470 (1999-12-01), Abril

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