| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an air conditioning device including two air supply fans, and capable of being manufactured at low costs and easily maintained, repairing a failed fan while continuously driving the air conditioning device even when one fan driving motor or fan is failed, and saving energy in off-peak. <P>SOLUTION: One air conditioning device includes at least two or more fan motors and fans independently driven, and in a normal operation, two or any one of the fan motors and fans are driven. Supply dampers automatically opened by wind pressure, and closed when the wind pressure does not exist, are respectively disposed on supply openings at the downstream of the fans, and in an abnormal operation when any of the fans is stopped, the supply damper of the corresponding fan is automatically closed. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
