System, method, and kit for dynamically affecting a force applied through a rail vehicle axle

摘要

#$%^&*AU2012202160A120120503.pdf#####C NRPor1blDCCCAB4262305. DOC-12/04/2012 ABSTRACT A system for dynamically affecting a force applied through at least one axle of a rail vehicle configured to travel along a rail track, said rail vehicle having a plurality of axles and a plurality of wheels being received by said plurality of axles, said system comprising: a device configured to selectively impart said force through said at least one axle to control a respective weight of said at least one axle on said rail track for affecting a traction performance of said rail vehicle traveling along said rail track, wherein said force is a normal force applied through said at least one axle in a normal direction to said rail track, and wherein said device is at least one hydraulic actuator coupled to a respective axle of the rail vehicle; a displacement pump coupled to said hydraulic actuator, said displacement pump configured to supply a pressurized hydraulic fluid to said hydraulic actuator, said hydraulic actuator configured to selectively impart said force through said respective axle based upon a pressure of the pressurized hydraulic fluid; a compliant member disposed between said hydraulic actuator and said respective axle such that said hydraulic actuator is coupled to said respective axle in a compliant manner; and a suspension assembly mounting said respective axle to a truck, the suspension assembly including one or more springs.