| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an indoor air exhaust system utilizing a roof exhaust tower for attic space ventilation such that high-temperature air in a room which has been sent into a duct by driving a fan can be effectively suppressed or stopped from being sent in an attic space, and the construction can be facilitated with simple constitution. <P>SOLUTION: A connection cylindrical part 8a of an adapter 8 is provided with a horizontal plate part 8b which protrudes sideward to shield a part of the area of a passage 1e for attic space ventilation on the side of the passage 1e for attic space ventilation. The protruding horizontal plate part 8b, while allowing the air in an attic space 3 to be exhausted through the interior of a roof exhaust tower 1, suppresses or stops the air in a room 4 to be exhausted through a duct 6 from being sent to the side of the attic space 3 from the interior of the roof exhaust tower 1. <P>COPYRIGHT: (C)2013,JPO&INPIT |
