B61C9/00

MULTI-SPEED TRANSMISSION FOR RAIL VEHICLES

A multi-speed transmission (9) for a rail vehicle. The multi-speed transmission (9) has at least one transmission input (AN), at least one transmission output (AB), at least one planetary gearset (PR1, PR2), at least one shifting element (SE1, SE2) and a housing (G). The planetary gearset (PR1, PR2) has a sun gear (S1, S2), at least one planetary carrier (PT1, PT2) with planetary gearwheels, and a ring gear (H1, H2), and rotational movement from a drive element (8) is introduced into the multi-speed transmission (9). By actuating the at least one shifting element (SE1, SE2), at least two different transmission ratios can be obtained between the transmission input (AN) and the transmission output (AB).

Bogie Axle Assembly
20170082175 · 2017-03-23 ·

A bogie axle assembly having a housing, a spindle, a drive sprocket unit, and a planetary gear set. The drive sprocket unit may be fixedly disposed on a planet gear carrier of the planetary gear set. The spindle may be fixedly disposed on the housing. The drive sprocket unit may be rotatably supported by at least one roller bearing assembly that may be disposed between the spindle and the drive sprocket unit.