| 摘要 |
Arrangement in a ventilation mantle (3) preferably to be used in windows and doors and said mantle is intended to be fastened to a ventilating opening (1) in a ventilation channel (4) of a window profile or door profile so that not too humid and too strongly ventilated and cooled air is pressed into the ventilation channel (4). By wall formations (7) within the interior of a ventilation mantle (3) at least one air lock looking ventilation channel (14) is created which shall give slowness to air streams (5) passing through the ventilation mantle (3) in order to give an effect similar to that of a heat exchanger to the air streams (5) passing through the ventilation mantle (3) and thereby preventing too cool and humid air (5) to pass into the ventilation channel (4) of the window- or door profile (2) by a too high velocity. |
