| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent the shortage of an air volume to be supplied in a room or hyperventilation due to the piping of a duct. <P>SOLUTION: An air supply device is configured such that the combined air volume of a body 1 and an auxiliary fan body 5 to be supplied into a room 2 is made constant, and that the rotation of the fan of the auxiliary fan body 5 is controlled by a control circuit portion. Thus, the air supply device is able to prevent the shortage of the air volume to be supplied into the room 2 or hyperventilation due to the piping of a duct 13. <P>COPYRIGHT: (C)2013,JPO&INPIT |
