GEARBOX, PRIMARILY FOR TRANSMISSION OF RAIL VEHICLE Russian patent published in 2021 - IPC B61C9/50 F16H57/04 

FIELD: mechanical engineering.

SUBSTANCE: gearbox has a part made with the possibility of rotation around the axis of rotation, wherein, inside the part, a channel passes with an inlet for input of lubricant into the channel and with an outlet for output of lubricant from the channel. A longitudinal channel section has an inner edge passing relatively to the axis of rotation in the radial direction closer to the axis of rotation and an outer edge passing at greater distance from the axis of rotation, wherein the outer edge retreats from the axis of rotation along the longitudinal section in the direction of the outlet. The gearbox has a rotating support for mounting the part made with the possibility of rotation and free space, wherein free space (26) extends from the outlet to the rotating support. The channel passes from the first radial end surface to the second radial end surface opposite in the axial direction to the first end surface of the part made with the possibility of rotation. The inlet is on the first end surface, and the outlet is on the second end surface. A rail vehicle including the gearbox and a method for producing the gearbox are also claimed.

EFFECT: simplification of the gearbox structure, as well as improvement of lubrication quality are provided.

13 cl, 4 dwg