| 摘要 |
PROBLEM TO BE SOLVED: To provide an air blowing device that can restrain a temperature rise of a case.SOLUTION: In an air blowing device 1, an air blower 2 and a heater 4 are arranged inside a housing (case) 10 including an air suction port 10a and a discharge port 10b. Air sucked from the suction port 10a by the operation of the air blower 2 is heated by the heater 4, and the heated air is discharged from the discharge port 10b. In addition, the air blowing device 1 is provided with a return air passage that returns air introduced from an introduction port 53 provided upstream of the heater 4, to the side of the suction port 10a along an inner surface of the housing 10.SELECTED DRAWING: Figure 2 |
