| 摘要 |
<p>The present invention relates to a ventilation device for ventilating a room in a building, said building comprising a window (1) with at least two essentially parallel panes of glass (3), said at least two panes of glass being arranged in a common frame (2), casement or sash (4), thus forming said window, e.g. a double window, where said at least two panes of glass are arranged with a distance, and thus appear with an air space (8) between said panes of glass, said window further comprising an intake opening (10) communicating with said air space and with either the interior (7) or the exterior (6) of said building, where said ventilation device further comprises a preheating unit (11), comprising a first chassis (12) and a first throttle (17), where said first chassis comprises a first opening (13) communicating with the interior of said building, a second opening (14) communicating with the exterior of said building and a third opening (15) communicating with said air space.</p> |
