HOPPER-CAR Russian patent published in 2003 - IPC

FIELD: railway transport. SUBSTANCE: invention relates to hopper-cars for transportation of alumina. Proposed hopper-car contains body consisting of three compartments and rigidly secured on load-bearing frame. Cargo compartment 6 of body is furnished with door aperture with non-sealed doors 8, floor to let loader drive in, and pressure mechanism. Middle cargo compartment is closed at sides by vertical load-bearing walls of extreme compartments 7 of sealed-type for alumina, these compartments being furnished with charging hatches 9 and discharging hatches 10. pressure mechanism is secured on one of vertical load-bearing walls of hermetically-sealed compartment. Extreme hermetically- sealed compartments are connected by pipes. EFFECT: simplified design, improved reliability. 4 dwg