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    • 4. 发明专利
    • COOLER FOR FISH REARING WATER TANK
    • JPH0870731A
    • 1996-03-19
    • JP23859394
    • 1994-09-07
    • DOUBLE BUREINZU KKYAMASHITA SHINICHI
    • WATANABE HIROYUKIYAMASHITA SHINICHI
    • A01K63/00
    • PURPOSE: To provide a simple cooler for keeping water temperature in a water tank at an adequate one even when the ambient temperature exceeds the rearing temperature for fishes. CONSTITUTION: This cooler for a fish rearing water tank comprises a motor- driven fan 5, an engaging means for attaching the motor-driven fan 5 to the water tank so as to oppose the air supply direction 6 of the motor-driven fan 5 to the water surface, a temperature sensor 13 for sensing the water temperature of the water tank and turning on and off the motor-driven fan 5 at the set water temperature and a hood 9 equipped with a louver 10 on the air supply side 6 of the motor-driven fan 5. The cooler is capable of opposing the air supply side 6 of the motor-driven fan 5 to the water surface with the engaging means and engaging the air supply side with the edge of the water tank, rotating the motor-driven fan 5, supplying air through the hood 9 toward the water surface, on the other hand, forcedly supplying a wind into the hood 9, regulating the wind direction by an angle of the louver 10, making the wind flow over the water surface in the water tank and cooling the water surface.