RAILWAY TRAIN EMERGENCY DISK BRAKE Russian patent published in 1999 - IPC

FIELD: railway transport. SUBSTANCE: brake has wheelset axle on which disk is rigidly secured, and brake shoes with friction linings hinge-mounted on ends of symmetrical U-shaped load-bearing lever made of material with thermally reversible memorized shape effect. Lever is installed on boss between posts of movable bracket capable of turning through angle "α" on axle and resting on bearing cross beam of train bogie frame. Support with pull-back spring and control rod is installed on posts above bracket boss. In released position, U-shaped load-bearing lever is turned through angle "α", and brake shoes are located over brake disk. EFFECT: provision of effective and reliable operation of brake owing to use of train kinetic energy in emergency. 4 dwg