Patent ID: 8692706

Claim:
A sensor device for measuring a compression parameter of at least one of wheels and axles of vehicles relative to one of a frame and an undercarriage of the vehicles, comprising: at least one contactlessly measuring sensor arrangement including a high-frequency sensor, the at least one contactlessly measuring sensor generating a beam which is emitted and received after reflection at one of a reference and reflection surface; wherein: the one of the frame and the undercarriage is of an air suspension device of the vehicle, the high-frequency sensor is situated one of in and on a housing of a level control valve which is fixedly mounted on the one of the frame and the undercarriage, and the one of the reference and reflection surface is formed by a portion of an outer surface of a housing of a differential gear which lies across from the at least one of a radar sensor and the high-frequency sensor and which is fixed in place on the axle.