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Abstandsmessungssensor auf Basis einer magnetischen Signaltriangulation | Capteur de mesure de distance basée sur une triangulation de signal magnétique | Distance measurement sensor based on magnetic signal triangulation

Patentnummer:EP2792995B1
IPC Hauptklasse:G01B000702
Anmelder:
Erfinder:May, Lutz (0)
Etztalstrasse 14, 82335 Berg, DE
Anmeldung:14.04.14
Offenlegung:15.04.13
Patenterteilung:13.01.21

Abstract / Hauptanspruch
The subject invention reveals a distance measuring device comprising: a sensing module, a target module, and an evaluating module, wherein the sensing module and the target module are mountable so as to execute a movement with respect to each other along a movement trajectory, wherein the target module comprises a magnetic field generating element (3) having a magnetic pole axis, wherein the sensing module comprises a first magnetic field sensing array (MFS1) being arranged distant to the movement trajectory. MFS1 comprises a first magnetic field sensor (L2) and a second magnetic field sensor (L3), wherein a main sensing direction of the first magnetic field sensor (L2) is inclined with respect to a main sensing direction of the second magnetic field sensor (L3).
The sensing module and the target module can advantageously be situated within the pressurizable chamber of an air spring which is defined by (contained within) a first mounting plate, a second mounting plate, and a flexible member of the air spring.

EP2792995B1


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