| 摘要 |
<p>PURPOSE: An energy saving ventilation system through a ceiling is provided to minimize energy loss since two air supply lines are opened and closed by a first damper and a second damper, respectively. CONSTITUTION: An energy saving ventilation system(100) through a ceiling comprises an air exhaust device(120) and an air supply device(140). The air exhaust device has an exhaust port(110) for the discharge of inner air and guides steam generated from a kitchen counter to an exhaust port. The air supply outlet has an air supply port(130) and draws in outdoor fresh air. The air supply device comprises two or more air supply lines. The air exhaust device is a wall type exhaust hood.</p> |
