US 12,228,199 B1
Electric drive system for a motor vehicle
Jonathan Zeibig, Aalen (DE); Tobias Schilder, Ludwigsburg (DE); Tobias Haerter, Stuttgart (DE); and Carsten Gitt, Stuttgart (DE)
Assigned to MERCEDES-BENZ GROUP AG, Stuttgart (DE)
Appl. No. 18/716,670
Filed by MERCEDES-BENZ GROUP AG, Stuttgart (DE)
PCT Filed Nov. 8, 2022, PCT No. PCT/EP2022/081029
§ 371(c)(1), (2) Date Jun. 5, 2024,
PCT Pub. No. WO2023/104413, PCT Pub. Date Jun. 15, 2023.
Claims priority of application No. 10 2021 006 012.1 (DE), filed on Dec. 6, 2021.
Int. Cl. B60K 1/02 (2006.01); B60K 17/16 (2006.01); F16H 48/10 (2012.01); F16H 48/38 (2012.01); F16H 57/037 (2012.01); F16H 48/36 (2012.01); F16H 57/02 (2012.01)
CPC F16H 48/10 (2013.01) [B60K 1/02 (2013.01); B60K 17/165 (2013.01); F16H 48/38 (2013.01); F16H 57/037 (2013.01); F16H 48/36 (2013.01); F16H 2048/364 (2013.01); F16H 2057/02034 (2013.01); F16H 2057/02052 (2013.01)] 6 Claims
OG exemplary drawing
 
1. An electric drive system for a motor vehicle, the electric drive system comprising:
a first electric engine having a first rotor;
a second electric engine having a second rotor; and
a planetary transmission having a first planetary gear set, a second planetary gear set, a first input shaft, a second input shaft, a first output shaft, and a second output shaft,
wherein the first input shaft is configured to introduce first torques originating from the first electric engine into the planetary transmission,
wherein the second input shaft is configured to introduce second torques originating from the second electric engine into the planetary transmission,
wherein the first output shaft is configured to divert third torques from the planetary transmission,
wherein the second output shaft is configured to divert fourth torques from the planetary transmission,
wherein the first planetary gear set has a first sun gear connected to the first rotor to conjointly rotate with the first rotor, a first planetary carrier connected to the first output shaft to conjointly rotate with the first planetary carrier, and a first annular gear connected to the second output shaft to conjointly rotate with the first annular gear,
wherein the second planetary gear set has a second sun gear connected to the second rotor to conjointly rotate with the second sun gear, and a second planetary carrier connected to the first planetary carrier to conjointly rotate with the second planetary carrier,
wherein the second planetary gear set has a second annular gear connected to the first annular gear to conjointly rotate with the second planetary gear set, and
wherein the first annular gear and the second annular gear have different gearing diameters.