CURRENT COLLECTING DEVICE OF ELECTRIC ROLLING STOCK Russian patent published in 1994 - IPC

FIELD: railway transport; electric rolling stock. SUBSTANCE: several holes are made in platform 1 arranged in rolling vehicle body below floor level. Lifting mechanism 3 is mounted on platform. Fitted in holes are ends of nozzles 7 of compressed air pipelines 6. Electric heaters 4 are installed also on platform 1. Thermorelay 5 is placed in electric heater supply circuit. Vertical walls 2 are mounted on body around platform 1. Fitted over platform at level exceeding the level of lowered current collector pan is sliding cover 9 driven by electric motors 11 and 12. EFFECT: enhanced reliability. 2 dwg