| 摘要 |
PURPOSE: A filter for a window ventilation device is provided to relief the stress of person in a room and increase the immunity by a sterilization process. CONSTITUTION: A filter for a window ventilation device comprises a main body(2), an opening/closing flap(4), a lever part(3), a net frame, and a net. The main body has air passages(6,18). The main body is installed between the window frame and the glass pane. The opening/closing flap is installed at the main body in order to open and close the air passages. The lever part is installed at a covering cap in the both side of the main body in order to adjust the opening degree of the opening/closing flap. The net frame forms a rail. The rail is combined with a rail groove of an outer cover(12). The rail groove is pressurized to be installed in a indoor side frame(8) of the main body. The net is supported with the net frame. |
