| 摘要 |
A window ventilation system is provided to improve its external appearance by embedding a heat exchanging device in a window sash. A window ventilation system comprises a window sash(10), and a heat exchanging device(20). The window sash includes an intake path(11) and an exhaust path(12). The heat exchanging device includes an intake guide path(21) and an exhaust guide path(22). The air passing through the intake path passes through the intake guide path. The exhaust guide path is installed next to the intake guide path and lets the air passing through the exhaust path pass through. An intake fan(30) and an exhaust fan(40) are installed in the intake path and the exhaust path. |
