CHASSIS OF RAIL VEHICLE Russian patent published in 2020 - IPC B61F3/04 B61D13/00 B61C9/38 

FIELD: transport machine building.

SUBSTANCE: undercarriage of railway vehicle comprises first and second wheel pairs, frame (104) installed on them and first driving device for first wheel pair. First drive device comprises first reduction gear (109), first motor (108) and first reactive torque providing device (110), connected to running gear frame in first reference point for driving torque balancing. First device (110) for providing a reactive torque is made in form of a plate element, defining the main length plane, which in running position rest position, installed on straight horizontal rails, passes in plane, which is parallel to longitudinal direction and vertical direction. First reference point in said transverse direction is transverse offset from frame center (104). First device providing reactive torque is connected to the first reduction gear. First support point, in longitudinal direction, is located at the distance of the first support point from the axis of the first wheel pair, which makes at least 35 % of wheel pair center distance.

EFFECT: improved running characteristics and dynamic properties of running gear of rail vehicle.

14 cl, 3 dwg