| 摘要 |
PURPOSE: An air supply hood and an exhaust hood are provided to discharge indoor air discharged from the exhaust hood in an opposite direction of the air supply hood. CONSTITUTION: An air supply hood(120) comprises a first coupling plate, a second coupling plate, a first connection duct, and a first housing. A first screen is installed in the first coupling plate. The second coupling plate is coupled to one surface of the first coupling plate and has a first flow hole with multiple first louvers. The first connection duct is coupled to the other surface of the first coupling plate and is installed the outside an air supply pipe(400). The first housing is installed in one surface of the first coupling plate and has a second flow hole with multiple louvers. The exhaust hood(140) comprises a third coupling plate, a fourth coupling plate, a second connection duct, and a second housing.
|
