Apparatus for selectively taking up a layer of pollutant from th

Details Apparatus for selectively taking up a layer of pollutant from th Apparatus for selectively taking up a layer of pollutant from th

1984-08-31

1986-11-18

Therkorn, Ernest G.

Liquid purification or separation

With movable support

Float

2105121, 210923, E02B 1504

Patent

active

046234594

ABSTRACT:
The apparatus for selectively skimming a layer of pollutant from the surface of a body of water comprises a hull having two lateral parts and a vertical central part, placed between the lateral parts and projecting forwards with respect to the lateral parts. The parts define channels directing a flow of water and pollutant to pollutant-water separators in the hull. The central part carries immersed deflector wings shaped for creating vortices in said water body which decrease divergence of the flow lines in the vicinity of free water level around the hull. Each lateral part cooperates with the central part to define an open water trapping channel which authorizes water flow under a front portion of the lateral part. A front end portion of each lateral part is connected to an immersed part of the central part which is located forward of the stem of the associated lateral part by a vane arranged for deflecting the flow lines of deeper layers downwardly and outwardly away from the central part.

REFERENCES:
patent: 1996547 (1935-04-01), Mason
patent: 3656619 (1972-04-01), Ryan
patent: 3951810 (1976-04-01), Crisafulli
patent: 3957646 (1976-05-01), Wickert
patent: 4001121 (1977-01-01), Bielefeldt
patent: 4151081 (1979-04-01), Bolli
patent: 4391708 (1983-07-01), Le Foll
patent: 4428319 (1984-01-01), Henning
patent: 4491518 (1985-01-01), Benaroya

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