Recirculating watering system

Animal husbandry – Watering or liquid feed device – Fountains and troughs

Patent

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Details

119 73, A01K 704

Patent

active

059080086

ABSTRACT:
A recirculating livestock watering system provides drinking water at a temperature above the freezing point during the winter and below the ambient air temperature during the summer. The reservoir, having a bottom surface, a continuous side surface, and an upper rim surface, is disposed such that the bottom surface and a portion of the side surface lie underground. A water source is disposed underground at a depth below the frost line. A heating circuit includes a coil, a pump, an input valve, and a output valve. The coil has an inlet and an outlet and is placed below the frost line. The pump inlet is connected to the coil outlet and the pump outlet is connected to the coil inlet, forming a continuous enclosed path. The output valve releases water from the heating circuit into the reservoir upon demand and is disposed along the continuous enclosed path downstream from the coil outlet and upstream from the pump inlet. The input valve is connected to the water source upstream from the coil inlet and downstream from the pump outlet permitting water to enter and fill the heating circuit under predetermined conditions.

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patent: 5813363 (1998-09-01), Snelling

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