LOCOMOTIVE PEDESTAL-FREE BOGIE Russian patent published in 2015 - IPC B61F3/06 B61F5/48 

FIELD: transport.

SUBSTANCE: bogie comprises frame with side frames and interframe attachments to support motored wheel units. Axle boxes of extreme mounted axles are coupled with the frame by spring sets. Axle boxes of extreme mounted axles are coupled with the frame by links and spring sets. Hydraulic cylinders are mounted at both side frames their piston rods being articulated with one of the arm of bell cranks arranged at said end interframe attachments. Opposite arms of said bell cranks are ball-jointed with links articulated with motored wheel units. Hydraulic cylinders are connected via pipelines to hydraulic pressure control valve with its slide rigidly jointed to locomotive body supplied by hydraulic station mounted in diesel locomotive body.

EFFECT: decreased wear of wheel flanges at track curved sections.

2 dwg