ANIMAL WATERING APPARATUS Russian patent published in 1997 - IPC

FIELD: agriculture. SUBSTANCE: apparatus has water pipeline, water heater, tank, pump and watering vessels with heat- exchanging chambers, which are communicated through inlet and outlet branch pipes. Each branch pipe has side opening communicated with watering vessel and confuser. Water heater is communicated with tank. Branch pipe of outer vessel is communicated with tank through return valve. Water heater, pump and heat-exchanging chambers define closed circuit. When water temperature in vessels is reduced, heating of water is provided by supplying water into water heater. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 2 dwg