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1. (WO2017153890) DEVICE FOR MEASURING THE SPEED OF A MOVING VEHICLE

Pub. No.:    WO/2017/153890    International Application No.:    PCT/IB2017/051292
Publication Date: Fri Sep 15 01:59:59 CEST 2017 International Filing Date: Tue Mar 07 00:59:59 CET 2017
IPC: G01P 5/02
Applicants: THOMA, Marc
Inventors: THOMA, Marc
Title: DEVICE FOR MEASURING THE SPEED OF A MOVING VEHICLE
Abstract:
The invention relates to a mechanical device (10) for measuring the relative speed of a moving vehicle in relation to a fluid medium, comprising means for fixing to such a vehicle such that it is arranged in a front region of said vehicle, in the direction of movement of said vehicle, and in the fluid medium in which the vehicle travels, characterised in that said mechanical device has variable geometry and is arranged so as to occupy at least one intermediate position between a withdrawn idle position and a fully deployed end service position, and in that each intermediate position of said device is determined by aerodynamic forces (F) acting on different successive sections (11, 12) of said device, which together form at least one wing attached or joined to said fixing means in an articulated manner. The invention also relates to a vehicle provided with such a device.