| 摘要 |
<p>The window/door has a casement frame (2) covering a blind frame (1), and a rebate area forming a circulating air duct, where the frames have air intake openings (4) for air flow (13). A ventilation device is arranged at the blind frame for passage of the air flow, and has a control member with which the air flow between the frames is adjusted. The ventilation device has a housing part connecting the ventilation device with one of the frames. The control member is held rotatably in the housing part, and a rotation axis is aligned in longitudinal direction to the air duct.</p> |
