LOCOMOTIVE BOGIE Russian patent published in 2015 - IPC B61F5/38 B61F5/44 B61F3/06 

FIELD: transport.

SUBSTANCE: invention relates to railroad vehicle running gear. Diesel locomotive bogie engaged with locomotive body by king pin consists of two extreme mounted axle and one mid mounted axle with traction motors, axle boxes with links connected to bogie frame and spring suspensions. Outer surfaces of said extreme traction motors are provided with round ring-section curved hollow shell arranged thereat to accommodate the solid of revolution rigidly attached to curved bar with its ends articulated with bogie frame. Both hollow chambers of curved shell separated by said solid of revolution are communicated via hydraulic pressure control valve arranged at bogie frame with slide valve rigidly secured to locomotive body via pipes with hydraulic station at locomotive.

EFFECT: higher reliability owing to ruled out undercut of wheel flange at railway curvatures.

3 dwg