RAILWAY VEHICLE WITH SINGLE-AXLE BOGIE Russian patent published in 1999 - IPC

FIELD: railway transport. SUBSTANCE: railway vehicle has single-axle bogie 2 installed for turning around vertical axle 8 relative to car body 13 and coupled with slave unit which is governed by sensor unit acting in response to radius of track curvature. To facilitate control, sensor unit has electric sensor and connected electric low band filter. After low band filter, free from interference quasistatic output signal is available for control of slave member 9. EFFECT: provision of reliable control of single-axle bogie by means of simple devices. 13 cl, 2 dwg