CLEANING BULLET FOR USE ON A RAIL AND TO CLEAN AT LEAST ONE SURFACE OF A RAIL AND METHOD OF CLEANING A RAIL WITH A CLEANING BULLET

摘要

cleaning bullet and method of operation thereof a cleaning bullet for use on a rail may include a compressible body for cleaning the rail, and a motorized device for propelling the body through the rail. in some embodiments, the motorized device includes wheels rotatably coupled to the device, a motor to drive the wheels, and a power source to supply energy to the motor. furthermore, in some embodiments, one or more wheels engage an internal or external surface of the rail to move the motorized device along the rail.