| 摘要 |
Self-adjusting air inlet port for the ventilation of rooms, of the type comprising a shutter (3) which is movable inside a hollow body (1-2) fixed facing one of the outlets of a duct (4a) made in a wall (4) of the room in question, characterised in that the shutter (3) has a right-angled cross-section and is accommodated in a pivoting manner in a hollow body (1-2) comprising an internal passage made with the same profile so that, in the open position, this shutter does not significantly reduce the free cross-section of the aforementioned passage. <IMAGE>
|
