RAIL VEHICLE, TYPE TRAM WITH LOW-LEVEL FLOOR, MOTOR CAR OF ELECTRIC TRAIN OR ELECTRIC LOCOMOTIVE AND TRAM CAR Russian patent published in 2007 - IPC B61D13/00 B61C3/00 B61F3/04 B61F5/16 B61F5/52 

FIELD: rail vehicles.

SUBSTANCE: proposed tram car has body and running gear in form of wheel bogies. Bogie wheels are of sectionalized construction with hub and bandage combined through circular shock absorber. Bogie frame has low central cage with lemniscape mechanism 24 provided with damper and shock absorber and end sections of longitudinal beams partially extending above it; end sections of longitudinal beams 19 are supported by axle boxes of wheel pairs through shock absorbers of axle box suspension and cantilever-type supports 30 brought outside external edges of longitudinal beams and provided with shock absorbers and dampers. Bogie body includes load-bearing platform combined with floor and provided with central pintle rigidly secured to it; it is supported by running gear at three-stage cushioning.

EFFECT: smooth running, passage of curves at minimum radius; reduction of dynamic loads and noise; increased distance run between overhauls; enhanced reliability and maintainability; increased service life.

25 cl, 15 dwg