Axle sensor for rail vehicle

Details Axle sensor for rail vehicle Axle sensor for rail vehicle

B - Operations, Transporting

61

L

346/52

B61L 25/00 (2006.01) B61L 1/16 (2006.01)

Patent

CA 1186789

-16- Abstract of the Disclosure A sensor arrangement is disclosed for detect- ing the presence of an axle of a rail vehicle in a short length of a track. The arrangement includes a bridge coupled to and including resistances of the rail upon which the vehicle travels. This bridge is unbalanced by wheels of an axle shunting resistance of the bridge with the bridge unbalance producing an output indicative of the presence of the axle. Two such arrangements displaced rela- tive to each other will enable detecting the direc- tion of movement of the vehicle. This sensor arrangement contains no electric components on the rail and is insensitive to interference from rail currents and electromagnetic rail brakes.

391367

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