| 摘要 |
<p>The invention relates to a self-contained ventilation device (1) for a space located under a floor of a construction and located at least partially below ground level outside said construction, including a first end (7) capable of being connected to a duct in communication with said space, and a second end forming an air vent (4) that can be located above the outside ground level, said two ends being connected by a hollow body (5); according to the invention, the openings of said two ends (7, 4) are located in almost perpendicular planes, and the hollow body (5) that connects the ends has a flattened shape on at least one part of the length thereof and the side (51) thereof opposite the opening (4) of the air vent is almost flat.</p> |
