US 12,405,178 B2
Rail-monitoring element, method for mounting a rail-monitoring element, and method for manufacturing a rail-monitoring element
Kai Schicker, Mehltheuer (DE); and Stefan Solleder, Gerlingen (DE)
Assigned to Thales Management & Services Deutschland GmbH, Ditzingen (DE)
Filed by Thales Management & Services Deutschland GmbH, Ditzingen (DE)
Filed on Dec. 3, 2021, as Appl. No. 17/457,645.
Application 17/457,645 is a continuation of application No. PCT/EP2020/061776, filed on Apr. 28, 2020.
Prior Publication US 2022/0097741 A1, Mar. 31, 2022
Int. Cl. G01L 1/24 (2006.01); B61L 1/16 (2006.01); G01M 5/00 (2006.01)
CPC G01L 1/242 (2013.01) [B61L 1/166 (2013.01); G01L 1/246 (2013.01); G01M 5/0025 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A rail-monitoring element comprising:
a carrier on which a strain sensor is attached;
the strain sensor comprising an optical fiber having a fiber Bragg grating;
the carrier having an adhesive layer for adhesive attachment to a rail having a thermally activatable or thermally curable adhesive;
wherein the adhesive layer comprises a heating element having contacts that can be supplied with electrical energy;
wherein the adhesive layer is located on the side of the carrier opposite the strain sensor.