Device reducing speed of vehicles travelling on a roadway

E - Fixed Constructions – 01 – F

Patent

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Details

E01F 9/047 (2006.01) E01F 9/07 (2006.01)

Patent

CA 2692293

The invention relates to a device reducing speed of vehicles travelling on a roadway, formed by at least one strip of flexible material, rubber or other similar material, made up of several hollow chambers which are interconnected by a calibrated conduit which enables the controlled passage of the fluid filling said chambers from that flattened by the wheel of the vehicle towards the adjacent chambers. The fluid contained therein is water, or a non-Newtonian fluid offering the higher viscosity, the higher the stress gradient applied thereto is, the fluid itself acting as means for controlling the resistance to deformation of the strip as the higher is the speed of impact of the vehicle in said strip.

L'invention concerne une saillie déformable auto-réglable de hauteur variable servant à réduire la vitesse des véhicules roulant sur une chaussée et comprenant au moins une bande de matière souple, de gomme ou d'une autre matière similaire, formant plusieurs chambres creuses remplies d'un fluide. Les chambres communiquent entre elles par l'intermédiaire d'un conduit calibré permettant le passage régulé du fluide de remplissage depuis la chambre aplatie par la roue du véhicule jusqu'aux chambres adjacentes, le dispositif agissant comme moyen de régulation de la résistance de la bande à la déformation en fonction de la vitesse d'impact du véhicule contre la bande. Le fluide de remplissage peut être de l'eau ou un fluide non newtonien du type à augmentation de viscosité proportionnelle au gradient de pression auquel il est soumis. Dans ce cas, le fluide agit lui-même comme moyen de régulation de la résistance de la bande à la déformation.

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