Air data measuring device and air data system for flight...

B - Operations – Transporting – 64 – D

Patent

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Details

B64D 43/00 (2006.01) B64D 43/02 (2006.01) G01P 5/14 (2006.01) G01P 13/02 (2006.01)

Patent

CA 2412271

Air device for measuring flight conditions for flight vehicles has a probe carrier that is arranged on a structural part of the flight vehicle and is rotationally symmetrical at least at a transition boundary. The probe carrier is rotatable about its longitudinal axis and is disposed on the structural part of the flight vehicle via a bearing, and its mass, is balanced about its longitudinal axis. The angle of rotation of the probe is measurable by way of a measuring sensor. At least two strakes are arranged on the probe symmetrically with respect to the plane of symmetry of the probe, so that the yaw angle .beta.s of the probe is minimized at every oncoming flow condition. At least three pressure measuring bores are provided on the probe surface for detecting differential and absolute pressures via differential pressure sensors assigned to them.

Dispositif aérodynamique permettant de mesurer les conditions de vol pour véhicules aériens, qui comprend un support de sonde qui est disposé sur une partie structurale du véhicule aérien et qui est à symétrie de rotation au moins au niveau d'une limite de transition. Le support de sonde peut tourner autour de son axe longitudinal et est disposé sur la partie structurale du véhicule aérien par l'intermédiaire d'un palier, et sa masse est équilibrée autour de son axe longitudinal. L'angle de rotation de la sonde peut être mesuré au moyen d'un capteur de mesure. Au moins deux extensions de bord d'attaque sont disposées sur la sonde de manière symétrique par rapport au plan de symétrie de la sonde, de sorte que l'angle de lacet .beta.s de la sonde est minimisée à chaque condition d'écoulement entrant. Au moins trois orifices de mesure de pression sont prévus sur la surface de la sonde pour détecter les pressions différentielles et absolues par l'entremise de capteurs de pression différentielle qui s'y rattachent.

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