The invention relates to a powertrain assembly (1) comprising:- one or several electric motors (2; 2')- a gearbox (3) comprising a gearbox housing (30),- an axle (4) comprising :--an axle housing (40),--movable parts inside axle housing, comprising a shaft for a wheel,- a lubricating system comprising an axle lubricating device comprising an axle oil sump (43) and a gearbox lubricating device comprising a gearbox oil sump (33) inside the gearbox housing (30) which is a dry sump having an oil storage area which is separate from said gearbox oil sump (33), a scavenge pump (5) and a first duct (6) configured to retrieve oil from gear box oil sump (33) and to convey the retrieved oil up to the oil storage area, and a main pump (7) and a second duct (8) configured to convey oil from the storage oil area to lubricate the gears of the gearbox (3).
ELECTRIC POWERTRAIN FOR TRUCK
ELEKTRISCHER ANTRIEBSSTRANG FÜR LASTKRAFTWAGEN
GROUPE MOTOPROPULSEUR ÉLECTRIQUE POUR CAMION
2022-10-05
Patent
Electronic Resource
English
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