| 摘要 |
PURPOSE: An air mixer is provided to keep a temperature constant in the whole area of an insulating space by mixing air in an insulating space, such as a domestic-animal house, in which a heater or a heater operates. CONSTITUTION: An air mixer(100) comprises a body(10), a ventilation fan(27), and a fan motor(25). Both ends of the body are opened. The body forms a hollow(12) through which air can flow. The body is installed to be extended vertically from the inside of an insulating space. The ventilation fan is rotatably installed in the body. The ventilation fan is moved through the hollow. The fan motor rotates the ventilation fan normally and reversely.
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