ELECTRIC VEHICLE TRACTION MACHINE SPEED REDUCER WITH LUBRICATING FLUID PUMP

Abstract

Speed ​​reducer for an electric traction machine of a motor vehicle, comprising gears carried by a primary shaft linked to the electric machine (6) and a secondary shaft which it drives (10), an upper receptacle (20) receiving a lubricating fluid by projection during rotation of the gears, and comprising a pump (48) taking this fluid from a reservoir (46) to ensure cooling of the electric machine (4), this reducer comprising a passage (28) for the descent of the fluid from the receptacle (20) to the reservoir (46) which is separate from the volume containing the gears. Figure 1