Liquid purification or separation – With heater or heat exchanger
Patent
1978-07-10
1980-08-05
Spitzer, Robert H.
Liquid purification or separation
With heater or heat exchanger
210194, 210219, 210220, 210237, 210241, 210242A, 261 91, 261120, C02B 308, B01F 304
Patent
active
042160910
ABSTRACT:
An aerator for bodies of water having a housing with a concave top wall, an annular buoyant core and a plurality of aerator pumps which draw water from beneath the core and spray the water in vertically spaced sheets onto the top wall of the housing. A telescoping tube extends from the central opening of the top wall down through the core and down near the bottom of the lake. An impeller is provided in the telescoping tube for driving the water down through the tube and out through the outlet opening thereof. A heater is provided below the top wall and on the outside edges of the aerator pump to prevent ice formation thereon. A screened enclosure is provided beneath the buoyant core through which filtered water can be drawn by the aerator pump. A plurality of legs are adjustably secured to the housing for supporting the housing on the bottom of the lake bed. A wheel bearing suspension and a tongue are secured to the underside of the housing so that the housing can be drawn like a trailer to location, placed in the water and removed from the water like an ordinary boat.
REFERENCES:
patent: 2077445 (1937-04-01), Wallace et al.
patent: 2650810 (1953-09-01), Nordell
patent: 3086715 (1963-04-01), Mineau et al.
patent: 3218042 (1965-11-01), Ciabattari et al.
patent: 3722687 (1973-03-01), Stebbins et al.
patent: 3794303 (1974-02-01), Hirshon
patent: 3836130 (1974-09-01), Earhart et al.
patent: 3846516 (1974-11-01), Carlson
patent: 3871581 (1975-03-01), Dively
patent: 4030859 (1977-06-01), Henegar
patent: 4086306 (1978-04-01), Yoshinaga
McGarry John E.
Spitzer Robert H.
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