CONNECTION OF BODY WITH MIDDLE BOGIE OF THREE-BOGIE RAILWAY VEHICLE Russian patent published in 1999 - IPC

FIELD: railway transport. SUBSTANCE: connection has two controlled flexible pneumatic device with rod and rodless spaces connected by one end with body and by other end, with bogie frame, and also control member and side supports. Control member is made in form of cylindrical pneumatic spool one end of which is coupled with bogie frame, and the other, with body. Two pistons are fitted on rod in spool cylinder. Two holes are made in spool shell. Holes are coaxial with pipelines through which one of holes communicates with rod space of one controlled resilient pneumatic device and with rodless space of second controlled resilient pneumatic device, and second hole communicates with rod space of second controlled resilient device and rodless space of first controlled device. EFFECT: reduced side action onto rails on curved sections of track. 3 dwg