CPC G01L 5/0004 (2013.01) [B61K 9/08 (2013.01); B61L 1/06 (2013.01); G01L 1/16 (2013.01)] | 20 Claims |
1. A device that can be fitted into a bore of a rail on which travel rail vehicles with wheels exerting a load onto the rail; the device comprising: a sensor that generates a load signal under the action of the rail load, which load signal is a measure for the rail load; wherein the sensor comprises at least one piezoelectric sensor element that generates electric polarization charges as the load signal.
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