| 摘要 |
It consists of two turbofans 8 whose outlet nozzles 13 are arranged in an inclined position and are convergent at the upper end, each one of them carrying out a sweeping operation which starts from more than half the roof of the vehicle as far as all its respective side, the turbofans 8 being mounted on a frame 6 which can be displaced vertically, being actuated by the hydraulic cylinder 9, in which its plunger 10 has mounted on it two double sets of chains 5 which, driven by the pinions 4, are fixed via the point 11 to the frame 6 on the sides thereof, which double chains 5 constitute a means of preventing possible breakages, the nozzles 13 of the turbofans incorporating elastic profiles 16 with pneumatic action which are centralized in the connection box 17, preventing any obstacle on the vehicle being able to collide with the turbofans. <IMAGE>
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