| 摘要 |
PURPOSE:To perform the ventilation by means of the less number of parts, the low cost installing and the energy saving operation by a method wherein an air from an induction fan is passed through an induction guide by an injecting nozzle, a surrounding air is induced from one end of the induction guide and blown-off simultaneously with the injected air from the other end of the induction guide. CONSTITUTION:A ventilating device 10 supplies the open air from the other side 2 of a parking area 1, and discharging the inside air to the outside through a duct 8 from a suction opening 4 provided at one side 6 by a discharging fan 7. The flowing direction of an air 5 in the parking area 1 is directed forcedly toward the suction opening 4 by an induction carrying part 11. The induction carrying part 11 is composed of an induction fan 12, plural injecting nozzle 14 connected to the induction fan 12 by a duct 13, an induction guide 16 through which an injected air 15 from the injecting nozzle 14 is enabled to be passed. The plural induction carrying parts 11 are hung down from ceiling slabs 17 for enabling the air in the parking area 1 to be flowed toward the suction opening 4.
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