Animal husbandry – Watering or liquid feed device
Patent
1991-10-22
1993-02-09
Weiss, John G.
Animal husbandry
Watering or liquid feed device
119 725, 119 73, 137240, A01K 706, A01K 3902
Patent
active
051845717
ABSTRACT:
The present invention is a watering system for small animals and fowl which provides for automatic cleaning of the internal surfaces of the conduits of the system. In such a watering system, residue from the water supply or nutrients in the form of vitamins, medicines, or other water additives may accumulate on the inner surfaces of the watering system conduits. This accumulation of sediment and nitrients provides a suitable environment for the growth of bacteria and other biological contaminants which may infect livestock. The invention involves connecting the conduits of a poultry house in an arrangement so that upon activation of a high pressure water supply, a high pressure fluid circuit is formed within the conduits to flush the inner surfaces of the conduits. The system may be operated automatically because mechanical switching of valves on the conduits is not required to provide the high pressure fluid flow which scrapes away the biofilm on the inner surfaces of the conduit. Also, by operation of a vacuum effect in the drinker valve bodies, pulsation of the high pressure fluid flow draws out suspended dirt and other particles from the valve body, thus cleaning a part of the watering system which is otherwise difficult to reach.
REFERENCES:
patent: 2865328 (1958-12-01), Hostetler
patent: 3110287 (1963-11-01), Godshalk
patent: 4055147 (1977-10-01), Fletcher et al.
patent: 4344456 (1982-08-01), Hostetler
patent: 4757784 (1988-07-01), Hammer
patent: 4991621 (1991-02-01), Steudler, Jr.
patent: 5025754 (1991-06-01), Plyler
Hostetler Robert D.
Plouzen Philippe
Avtron Inc.
Weiss John G.
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