20150368960 | MODULAR WINDOW VENTILATION SYSTEM - The invention relates to a ventilation device for a window, having at least two essentially parallel panes of glass arranged in a common frame, thus forming a double window having an air space between the panes of glass, and an intake opening communicating with the air space and with either the interior or the exterior of a building, where the ventilation device also has a drive unit. Such a ventilation device has at least one air direction control unit arranged in connection with the window and where the air direction control unit ( | 12-24-2015 |