| 摘要 |
PROBLEM TO BE SOLVED: To enable an air blow direction switchable with a simple configuration.SOLUTION: An air blower device includes: a blower 112 feeding air; and a ventilation duct 12 in which a diffuser 121 blowing out the air fed from the blower 112 into an air blowing target space, and Coanda surfaces 122a and 128c for attracting the air blown out from the diffuser 121 by Coanda effect are formed. The ventilation duct 12 includes changing means 124, 126, 128, 129a, 13, and 14 for changing separation positions of a flow of the air blown out from the diffuser 121 near the Coanda surfaces 122a and 128c. |
