Drive system
AssigneeBrose Antriebstechnik GmbH & Co. Kommanditgesellschaft, Berlin
InventorsPeter Tenberge, Mick Jordan
Life of this patent
Estimating the term…
Abstract
A drive system, wherein: a drive shaft and an output shaft as well as a second motor, to-gether with the second rotor shaft thereof, are arranged coaxially in a first shafting; a multi-stage cross-drive steering transmission of the drive system, together with a sun gear, a ring gear and a planetary carrier, is designed solely as a three-shaft planetary gear stage, which is arranged in a second shafting parallel to the first shafting; and a first motor is arranged in a third shafting together with the first rotor shaft thereof, said third shafting being parallel to the first shafting and to the second shafting.
Claims17
A drive system comprising
- a transmission housing;
- an input shaft;
- an output shaft;
- a first motor including a first rotor shaft;
- a second motor including a second rotor shaft;
- a multistage superposition transmission connecting the input shaft and the output shaft to the first rotor shaft and to the second rotor shaft, and including a planetary gear stage provided with a sun gear, a ring gear, and a planet carrier provided with a plurality of planet gears;
- a power controller operatively coupling the first motor and the second motor to form a continuously variable actuating mechanism;
- and
- an energy accumulator connected to the first motor and the second motor;
- wherein the input shaft, the output shaft, and the second rotor shaft are arranged coaxially on a first shaft train,
- wherein the multistage superposition transmission forms a three-shaft planetary gear stage arranged on a second shaft train parallel to the first shaft train, and
- wherein the first rotor shaft is arranged on a third shaft train parallel to the first shaft train and the second shaft train;
- a first coupling shaft disposed on the second shaft train;
- a first spur gear stage connecting the input shaft to the first coupling shaft;
- a second coupling shaft disposed on the second shaft train;
- a second spur gear stage connecting the output shaft to the second coupling shaft;
- a third coupling shaft disposed on the second shaft train and connected to the sun gear;
- a third spur gear stage connecting the second rotor shaft to the third coupling shaft;
- and
- a fourth spur gear stage connecting the first rotor shaft and to the ring gear, wherein the ring gear is disposed on the second shaft train.
A drive system comprising
- a transmission housing including a main housing provided with a central web, a motor cover connected to the main housing, and a transmission cover connected to the main housing;
- an input shaft;
- an output shaft projecting out of the transmission housing;
- a first motor including a first rotor shaft;
- a second motor including a second rotor shaft;
- a multistage superposition transmission connecting the input shaft and the output shaft to the first rotor shaft and to the second rotor shaft, and including a planetary gear stage provided with a sun gear, a ring gear, and a planet carrier provided with a plurality of planet gears;
- a power controller operatively coupling the first motor and the second motor to form a continuously variable actuating mechanism;
- and
- an energy accumulator connected to the first motor and the second motor,
- a first bearing disposed in the output shaft;
- a second bearing disposed in the motor cover, wherein the input shaft projects from a first side of the transmission housing to a second side of the transmission housing and the first bearing and the second bearing support the input shaft;
- and
- a third bearing disposed in the transmission cover;
- and
- a fourth bearing disposed on the input shaft, wherein the third bearing and the fourth bearing each support the output shaft;
- wherein the input shaft, the output shaft, and the second rotor shaft are arranged coaxially on a first shaft train,
- wherein the multistage superposition transmission forms a three-shaft planetary gear stage arranged on a second shaft train parallel to the first shaft train, and
- wherein the first rotor shaft is arranged on a third shaft train parallel to the first shaft train and the second shaft train.
A drive system comprising:
- a transmission housing including a main housing provided with a central web, a motor cover connected to the main housing, and a transmission cover connected to the main housing;
- an input shaft;
- an output shaft;
- a first motor including a first rotor shaft;
- a second motor including a second rotor shaft;
- a multistage superposition transmission connecting the input shaft and the output shaft to the first rotor shaft and to the second rotor shaft, and including a planetary gear stage provided with a sun gear, a ring gear, and a planet carrier provided with a plurality of planet gears;
- a power controller operatively coupling the first motor and the second motor to form a continuously variable actuating mechanism;
- a first bearing supported by the output shaft;
- a second bearing supported by the motor cover;
- a freewheel disposed between the first bearing and the second bearing and between the input shaft and the output shaft, wherein the freewheel is configured to prevent the input shaft from rotating quicker than the output shaft;
- and
- an energy accumulator connected to the first motor and the second motor;
- wherein the input shaft, the output shaft, and the second rotor shaft are arranged coaxially on a first shaft train,
- wherein the multistage superposition transmission forms a three-shaft planetary gear stage arranged on a second shaft train parallel to the first shaft train, and
- wherein the first rotor shaft is arranged on a third shaft train parallel to the first shaft train and the second shaft train.
A drive system comprising
- a transmission housing;
- an input shaft;
- an output shaft;
- a first motor including a first rotor shaft;
- a second motor including a second rotor shaft;
- a multistage superposition transmission connecting the input shaft and the output shaft to the first rotor shaft and to the second rotor shaft, and including a planetary gear stage provided with a sun gear, a ring gear, and a planet carrier provided with a plurality of planet gears;
- a power controller operatively coupling the first motor and the second motor to form a continuously variable actuating mechanism;
- an energy accumulator connected to the first motor and the second motor;
- a first resolver provided with a sensor and an encoder wheel disposed on either the first rotor shaft or the second rotor shaft and configured to cooperate to measure an angular position and a rotational speed of either the first rotor shaft or the second rotor;
- a rotational speed sensor disposed on the input shaft;
- and
- an acceleration sensor or an inclination sensor disposed on the transmission housing;
- wherein the input shaft, the output shaft, and the second rotor shaft are arranged coaxially on a first shaft train,
- wherein the multistage superposition transmission forms a three-shaft planetary gear stage arranged on a second shaft train parallel to the first shaft train, and
- wherein the first rotor shaft is arranged on a third shaft train parallel to the first shaft train and the second shaft train.
Dependencies are inferred from the claim text.