Liquid purification or separation – Flow – fluid pressure or material level – responsive – Float
Patent
1989-05-04
1992-01-07
Silverman, Stanley S.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Float
210169, 2102421, 2104162, E04H 416
Patent
active
050788639
ABSTRACT:
This invention relates to a pool skimmer which is adapted to remove floating fractions, such as floating debris, from the surface of water. The pool surface skimmer of the invention comprises a housing within which a strainer separates a high level inlet from a low level outlet. The inlet is adapted to float below the surface of the water by means of two or more flotation chambers defining, between them, one or more intake ports each closable by means of a gate which is adapted to allow the ingress of water from the surface of the pool upon withdrawal of water from the outlet of the housing. The strainer is complemental, in outline shape, to the inlet cavity at the water surface and the gates are located closely adjacent the housing wall defining the inlet cavity of the apparatus. It is therefore possible, by removal of the strainer, to clear the entire water surface of the inlet cavity for removal or reclamation of the floating fraction separated in this manner.
REFERENCES:
patent: 3212268 (1965-10-01), Ortega
patent: 3555574 (1971-01-01), Stanwood
patent: 3970556 (1976-07-01), Gore
patent: 4325150 (1982-04-01), Buddy
patent: 4743368 (1988-05-01), Gates
patent: 4746424 (1988-05-01), Drew
patent: 4818389 (1989-04-01), Tobias et al.
patent: 4826591 (1989-05-01), Macia
Silverman Stanley S.
Upton Christopher
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