Cutoff smoke removal manner and device null of the smoke in

摘要

PURPOSE: To eliminate dangerousness confining a person failing to escape by effectively discharging the smoke of a passage generated at the time of disaster such as a fire or the like. ;CONSTITUTION: The small passage 11 crossing a passage 4 at a right angle, an air supply duct 7 supplying air, air supply ports 6... injecting laminar air streams, a smoke discharge port absorbing smoke, smoke discharge fans 9... sucking smoke and a smoke discharge duct 10 are provided. By this constitution, smoke can be effectively absorbed and discharged by the laminar air streams flowing from the air supply ports 6... to the smoke discharge port and, since smoke is cut off by the air streams, dangerousness confining a person failing to escape can be avoided.;COPYRIGHT: (C)1994,JPO&Japio