| 摘要 |
FIELD: transportation. ^ SUBSTANCE: device comprises supply line, air compressor, pneumatic circuit of car retarder, unit of valves comprising at least one braking valve and at least one unbraking valve, electric pneumatic block of valves control, connected with the help of additional pipeline to supply line, dividing flow of compressed air into working and control ones, with two electromagnet coils, which in case of electric signal arrival to one of coils provides passage for control flow to braking valve, and in case electric signal arrives to another coil, provides passage for control flow to unbraking valve, and to provide for stepless control of compressed air pressure in pneumatic circuit of car retarder, pressure controller is used. ^ EFFECT: higher efficiency, reliability and performance of device. ^ 1 dwg |
