US 12,345,321 B2
Drive train
Lukas Nennstiel, Kassel (DE); Thomas Schroeder, Berlin (DE); Frank Mueller, Essenrode (DE); and Raimar Warnecke, Gross Schwuelper (DE)
Assigned to Volkswagen Aktiengesellschaft, Wolfsburg (DE)
Filed by Volkswagen Aktiengesellschaft, Wolfsburg (DE)
Filed on Apr. 25, 2024, as Appl. No. 18/646,730.
Claims priority of application No. 10 2023 203 886.2 (DE), filed on Apr. 26, 2023.
Prior Publication US 2024/0360899 A1, Oct. 31, 2024
Int. Cl. F16H 57/04 (2010.01)
CPC F16H 57/045 (2013.01) [F16H 57/0412 (2013.01); F16H 57/0423 (2013.01); F16H 57/0424 (2013.01); F16H 57/0476 (2013.01); F16H 57/0457 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A drive train for an electric vehicle, the drive train comprising:
at least one transmission;
at least one power electronics system;
a housing;
a partition wall; and
a transmission compartment and a power electronics system compartment being provided in the housing and adjacently arranged horizontally,
wherein the transmission and/or at least two gearwheels for forming at least one gear stage of the transmission are arranged in the transmission compartment, and
wherein the power electronics system is arranged in the power electronics system compartment,
wherein the transmission compartment and the power electronics system compartment are separated from one another by the partition wall,
wherein the transmission includes an oil sump, which is formed via the housing, and a collection container so that during operation of the transmission, transmission oil present in the oil sump is spun upwardly via at least one of the gearwheels and thus supplied to the collection container,
wherein the partition wall has at least one cooling channel, the collection container being spaced apart, at least in part, from the partition wall, and
wherein a transmission oil cooling area is formed between the collection container and the partition wall, the collection container having an overflow, the transmission oil being suppliable to the transmission oil cooling area via the overflow or guidable through the transmission oil cooling area with the aid of the force of gravity, and being coolable by a cooling fluid that is present in the cooling channel.