Sensor for measuring rotational velocity and direction of a...

G - Physics – 01 – P

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G01P 3/44 (2006.01) G01D 5/251 (2006.01) G01P 3/484 (2006.01) G01P 3/487 (2006.01)

Patent

CA 2286430

La présente invention concerne un capteur pour la mesure de la vitesse et du sens de rotation d'une pièce rotative du type comportant un aimant permanent (1) monté sur la pièce rotative dit tournant et deux interrupteurs à lames souples (2, 3) disposés dans le champ magnétique de l'aimant permanent tournant (1). L' invention consiste en ce que les deux interrupteurs à lames souples (2, 3) définissent entre eux un angle a supérieur à 0° et inférieur ou égal à 90°, à chaque interrupteur à lames souples (2, 3) étant associé un aimant permanent (4, 5) pour sa polarisation. Application à la détection du sens de rotation de pièce tournante.

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