FIELD: transport.
SUBSTANCE: aerodynamic device 6 is intended for mounting at vehicle body 1 at its rear or nearby it. Device 6 is made from flexible sheet material 7a, 7b, 7c arranged at vehicle or trailer 1 so that to hang from vehicle body to rest and to extend beyond vehicle rear when unfolded. Said flexible sheet material has inner and outer sides and is secured to vehicle body so that its unfolding results from Coanda effect that causes lower pressure at sheet material outer side compared with that at inner side in vehicle motion. Said flexible sheet material is additionally secured to said body by, at least, one limiter 8 for said limiter to shape said flexible material as required. Invention relates also to vehicle or trailer 1 incorporating this aerodynamic device 6.
EFFECT: simplified design.
12 cl, 7 dwg
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