| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To surely suppress a cold aisle generated in a showcase. <P>SOLUTION: In this operating device for operating a blower 4 generating an airflow by a rotary vane 4a in an air duct 3 extending from an upper end of a back face of the showcase 1 opened at its front face and capable of cooling commodities to a lower end of the front face of the showcase 1 through a back face and a bottom face of the showcase 1, rotating directions of the rotary vane 4a are opposite to each other between the case of a cooling operation and the case of a heating operation of an air conditioner according to the operation of the air conditioner which conditions a temperature in a shop. Since the direction of the airflow in the air duct 3 is reversed in two directions according to the operation of the air conditioner, the cold aisle generated in the showcase 1 can be surely suppressed in comparison with the case that the air flows in one direction. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
