US 12,403,759 B2
Drive arrangement for a tractor
Martin Sagmeister, Passau (DE); and Martin Krompass, Passau (DE)
Assigned to ZF Friedrichshafen AG, Friedrichshafen (DE)
Appl. No. 17/641,172
Filed by ZF Friedrichshafen AG, Friedrichshafen (DE)
PCT Filed Sep. 16, 2020, PCT No. PCT/EP2020/075814
§ 371(c)(1), (2) Date Mar. 8, 2022,
PCT Pub. No. WO2021/052985, PCT Pub. Date Mar. 25, 2021.
Claims priority of application No. 10 2019 214 202.8 (DE), filed on Sep. 18, 2019.
Prior Publication US 2022/0340001 A1, Oct. 27, 2022
Int. Cl. F16H 3/52 (2006.01); B60K 6/365 (2007.10); B60K 6/40 (2007.10); B60K 6/442 (2007.10); B60K 6/46 (2007.10); B60K 6/52 (2007.10); B60K 6/547 (2007.10); B60K 17/28 (2006.01); B60K 25/02 (2006.01); F16H 37/04 (2006.01)
CPC B60K 6/40 (2013.01) [B60K 6/365 (2013.01); B60K 6/442 (2013.01); B60K 6/46 (2013.01); B60K 6/52 (2013.01); B60K 6/547 (2013.01); B60K 17/28 (2013.01); B60K 25/02 (2013.01); F16H 37/04 (2013.01); B60K 2025/022 (2013.01); B60Y 2200/92 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A drive arrangement for a tractor, comprising:
a first powertrain having a power take-off for driving a couplable attachment unit and/or having a pump power take-off for driving at least one hydraulic pump;
a second powertrain having a vehicle transmission with at least one transmission output for driving at least one vehicle axle;
a first electric machine and a second electric machine, wherein the first electric machine is coupled and/or couplable in terms of drive to the first powertrain and the second electric machine is coupled and/or couplable in terms of drive to the second powertrain; and
a vehicle transmission input shaft for forming a transmission drive;
a vehicle transmission output shaft for forming the at least one transmission output;
a planetary gear having a with a sun gear, a ring gear, a planet carrier, and a plurality of planet gears rotatably mounted on the planet carrier, wherein the sun gear has a sun gear portion and a first spur gear portion;
a first switching element and a second switching element each movable between a release position and a switching position,
wherein the first switching element in the switching position couples the vehicle transmission input shaft to the vehicle and couples the transmission output shaft for forming at least one transmission output fixedly in terms of rotation so that a torque path runs from the vehicle transmission input shaft to the vehicle transmission output shaft, and
wherein the second switching element in the switching position fixedly couples the planetary gear in terms of rotation to the vehicle transmission output shaft, so that the torque path runs from the vehicle transmission input shaft via the first spur gear portion to the vehicle transmission output shaft.