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US 2021/0001714 A1Published application
Drive train for a motor vehicle having a directly cooled electric machine and a transmission, and a motor vehicle
AssigneeDr. Ing. h.c. F. Porsche Aktiengesellschaft
InventorStefan Oechslen
Life of this patent
Estimating the term…
Abstract
A drive train (1) for a motor vehicle (100) has an electric machine (2) with a rotor (3), a stator (4) and an air gap (5) between the rotor (3) and the stator (4). The drive train (1) also has a transmission (6) and a cooling circuit (7) for conducting a coolant through the electric machine (2) and the transmission (6). The coolant is provided for lubricating and cooling the transmission (6) and for directly cooling electrical conductors of the stator (4). The cooling circuit (7) is provided in such a way that the coolant does not enter the air gap (5).
Claims12
A drive train for a motor vehicle, comprising:
- an electric machine with a rotor, a stator and an air gap arranged between the rotor and the stator;
- a transmission;
- and
- a cooling circuit for conducting a coolant through the electric machine and the transmission,
- wherein the coolant is provided for lubricating and cooling the transmission and for directly cooling electrical conductors of the stator, and wherein the cooling circuit is provided so that the coolant does not enter the air gap.
2 more elements
Dependencies are inferred from the claim text.