US 11,987,135 B2
Electric drive train with start-up support
Peter Janssen, Stein (NL)
Assigned to FEV EUROPE GMBH, Aachen (DE)
Filed by FEV Group GmbH, Aachen (DE)
Filed on Dec. 23, 2020, as Appl. No. 17/132,404.
Claims priority of application No. 102019135657.1 (DE), filed on Dec. 23, 2019.
Prior Publication US 2021/0188099 A1, Jun. 24, 2021
Int. Cl. B60L 15/20 (2006.01); B60L 50/00 (2019.01); F16H 45/02 (2006.01); F16H 57/04 (2010.01); H02K 7/00 (2006.01); H02K 7/10 (2006.01); H02K 9/19 (2006.01)
CPC B60L 15/2045 (2013.01) [B60L 15/2054 (2013.01); B60L 50/00 (2019.02); F16H 45/02 (2013.01); F16H 57/0412 (2013.01); F16H 57/0476 (2013.01); H02K 7/006 (2013.01); H02K 7/10 (2013.01); H02K 9/19 (2013.01); F16H 2045/0215 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An electric drive train for a pure electrically operated vehicle, comprising
an electric motor with a motor shaft; and
a start-up support unit mechanically connected to the motor shaft,
wherein the start-up support unit is configured to to convert a motor speed and a motor torque of the motor shaft into an output speed and an output torque, wherein at least one of the output speed is lower than the motor speed and the output torque is higher than the motor torque, and
wherein the start-up support unit is a hydrodynamic torque converter.