| 摘要 |
A description is given of a vehicle (1) provided with a tractor (1m, 24) and a closed compartment (2, 13) pulled by the tractor or incorporated into it, characterized in that one or more of the walls delimiting the said compartment (2, 13) consists at least partially of the outer surfaces of aplurality of filters (3i) capable of filtering and retaining particles, udst and fine dust, one or more suction members (4i, 12i), driven by a system fitted on the said vehicle (1, 10), being fixed on one or more of the remaining walls and being made in such a way that they suck the air from the interior of the said compartment (2, 12), thus creating a negative pressure there, and push the air towards the exterior after it has passed through the said filters (3i). |
