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DEVICE FOR MEASURING AN ANGULAR POSITION | VORRICHTUNG ZUM MESSEN EINER WINKELPOSITION | DISPOSITIF POUR MESURER UNE POSITION ANGULAIRE

Patentnummer:EP3343181B1
IPC Hauptklasse:G01D000514
Anmelder:
Erfinder:
Anmeldung:13.12.17
Offenlegung:30.12.16
Patenterteilung:08.07.20

Abstract / Hauptanspruch
A device for measuring an angular position, comprising a rotating body (3) that oscillates relative to a supporting body (2) between two limit positions which are rotated one relative to the other by an angle of oscillation θ with amplitude that is less than or equal to 150°, a permanent magnet (5) that extends along an arc of extension that corresponds to an arc of a circle centred on the main axis of rotation (4), the arc of extension subtending an angle of extension α, and a magnetic sensor (6) positioned eccentrically relative to the main axis of rotation (4); the permanent magnet (5) and the magnetic sensor (6) being fixed one to the rotating body (3) and the other to the supporting body (2), and always being magnetically coupled; the following relation applying between the angle of extension α of the permanent magnet (5) and the angle of oscillation θ: α>θ−30°; and the permanent magnet (5) being diametrally polarized and having a direction of polarization (12) that forms an angle that is less than or equal to 10° relative to a straight line perpendicular to the main axis of rotation (4) and passing both through the main axis of rotation (4), and through a first end of the arc of extension.

EP3343181B1


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