| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a ventilation system capable of improving the using efficiency of natural energy in addition to suppression of an increase in the cost and space necessary for a facility. <P>SOLUTION: An outside air inlet part capable of introducing the outside air to an indoor space 3 of a building is provided on the outer wall part of the building 1, and a vertical shaft 5 extended vertically along each floor and used as a ventilating shaft and a smoke discharging shaft is provided in the building. The outside air inlet part is composed of an outside air inlet unit 10 set on the outer wall of the building in a state extending over the upper and lower floors, and the outside air inlet unit comprises a body part 12 having a cavity part 13 communicating with the outside, an air passage 14 allowing the indoor space of the upper floor to communicate with the cavity part, an air passage 16 allowing the ceiling space 4 of the lower floor to communicate with the cavity part, and an opening and closing control devices A and C capable of opening/closing these air passages. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
