Zf Friedrichshafen Ag

Other

Friedrichshafen Ag

Zp Friedrichshafen Ag

Zr Friedrichshafen Ag

Michael Wechs

Stefan Beck

Johannes Kaltenbach

Jens Moraw

Gerhard Niederbrucker

Viktor Warth

Matthias Horn

Uwe Griesmeier

Peter Ziemer

Martin Brehmer

Fabian Kutter

Thomas Martin

Juri Pawlakowitsch

Raffael Kuberczyk

Stephan Scharr

Eckehard Münch

Julian King

Thomas Rosemeier

Christian Sibla

Max Bachmann

Gerhard Gumpoltsberger

Matthias Reisch

Thomas Riedisser

Juergen Wafzig

Wolfgang Rieger

Kai Bornträger

Johannes Glückler

Michael Roske

Anton Fritzer

Michael Trübenbach

Jürgen Wafzig

Bernd Unseld

Ralf Dreibholz

Eckhardt Lübke

Bernard Hunold

Timo Wehlen

Thomas Mauz

Bernd Knöpke

Lara Ruth Turner

Martin Rattay

Oliver Schaudt

Raphael Himmelsbach

Philipp Rechenbach

Mladjan Radic

Markus Renninger

Suryanto Hendrawan

Hagen Doepfert

Christian Michel

Valerie Engel

Rudolf Kauffeldt

Bernhard Sich

Benedikt Reick

Andreas Wendzel

Ingo Pfannkuchen

Reinhard Vollmar

Matthias Wesa

Karl Grad

Oliver Bayer

Bastian Volpert

Thomas Schneider

Matthias Kobler

Marc Seeberger

Maik Dreher

Christian Baumann

Lorenz Fischer

Edgar Menezes

Felix Spura

Oliver Schneider

Thomas Kroh

Matthias Hom

Fabio Frank

Max Schreiber

An electric transmission () for a motor vehicle drive train () includes a transmission input shaft () for operatively connecting the electric transmission to an electric prime mover (), a reduction gear () for reducing a rotational speed of the electric prime mover, a transmission () for establishing gear steps, including a first planetary gear set (RS) and a second planetary gear set (RS), a first output shaft () and a second output shaft () for transmitting drive power from the electric transmission, and a plurality of shift elements (B, C, D) for engaging the gear steps. A planet carrier of the first planetary gear set is drivingly connected to a planet carrier of the second planetary gear set, and a sun gear of the first planetary gear set is drivingly connected to a ring gear of the second planetary gear set.

Transmission for E-axle

A planetary-type bottom-bracket transmission for a bicycle or a pedelec includes a pedal crank shaft, a transmission output shaft, further shafts, and a first transmission shift group and a second transmission shift group. The first transmission shift group and the second transmission shift group are coupled to each other for implementing a plurality of gear ratios. The first transmission shift group includes a two-step stepped planetary gear set that is assigned a first shifting element, a second shifting element and a fifth shifting element.

Planetary-type bottom-bracket transmission for a bicycle or a pedelec

A hybrid transmission device () includes a first transmission input shaft (), a second transmission input shaft (), a superposition gear unit () arranged axially parallel to the first transmission input shaft () and to the second transmission input shaft () and configured for connecting an electric machine (). The superposition gear unit () includes a first planetary gear set (P) with a sun gear (P), a ring gear (P), and a planet carrier (P) with planet gears (P) rotatably arranged thereon. A gear reduction stage () includes a first spur gear pair (ST) and a second spur gear pair (ST) for connecting the superposition gear unit () to a differential (). At least a first shift element (A), a second shift element (B), and a third shift element (C) are configured for implementing an electrodynamic driving-off process and a purely electric or hybridized drive of the motor vehicle.

Hybrid transmission device and motor vehicle comprising a hybrid transmission device

A bottom bracket gear mechanism for a bicycle or a pedelec includes a gear mechanism shifting group in which a second element of the first gear set is connected to a first shaft, a third element of the first gear set is connected via a fourth shaft to a second element of the second gear set, and a first element of the first gear set is connected to a fifth shaft. A first element of the second gear set is fixable via a third shaft and the second shifting element. The third shaft is connectable to the fifth shaft via the sixth shifting element. The third element of the second gear set is fixable via a second shaft and via the first shifting element. The second shaft is connectable to the first shaft via the fifth shifting element.

Bottom bracket gear mechanism of planetary design for a bicycle or a pedelec

A bottom bracket planetary gear mechanism for a bicycle or a pedelec includes a gear mechanism shifting group having first and second planetary gear sets and first, second, and fifth shifting elements. A second element of the first gear set is connected to a first shaft, a first element of the first gear set is connected via a fourth shaft to a first element of the second gear set, and a third element of the first gear set is fixable via a second shaft and a first shifting element. The third element of the first gear set is connected via the second shaft to a second element of the second gear set. A third element of the second gear set is fixable via a third shaft and a second shifting element. A fifth shifting element blocks the first and second gear sets.

A processor unit () for model-based predictive control of a vehicle () taking into account an arrival time factor is configured to calculate a trajectory for the vehicle () based at least in part on at least one arrival time factor, with the trajectory including an entire route () to a specified destination () at which the vehicle () is to arrive, and with the at least one arrival time factor influencing an arrival time of the vehicle () at the specified destination (). Additionally, the processor unit () is configured to optimize a section of the trajectory for the vehicle () for a sliding prediction horizon by executing a model-based predictive control (MPC) algorithm (), where the MPC algorithm () includes a longitudinal dynamic model () of a drive train () of the vehicle () and a cost function () to be minimized.

Model-based predictive control of a vehicle taking into account a time of arrival factor

The disclosure relates to a hybrid transmission device for an internal combustion engine transmission arrangement of a motor vehicle. The hybrid transmission device comprises at least one transmission input shaft, at least one drive device and at least one connecting clutch for connecting two shafts for conjoint rotation. The hybrid transmission device comprises no more than two gear stages. The disclosure additionally relates to a motor vehicle.

Hybrid transmission device, engine transmission arrangement, hybrid drivetrain and motor vehicle

A transmission where a first shaft is rotationally fixable to a third shaft and to a second shaft, the second and third shafts are rotationally connectable to a fourth shaft, the second shaft is rotationally connectable to a fifth shaft, the fourth shaft is rotationally connectable to the fifth shaft, the third shaft is rotationally connectable to the fifth shaft, fixed gears of the fourth and fifth shafts are rotationally connected to a drive output, a first gearwheel of the sixth shaft meshes with a fixed gear of the second shaft, and a second gearwheel of the sixth shaft meshes with a fixed gear of the third shaft. Moreover, a first gearwheel of the sixth shaft is an idler gear and a second gearwheel of the sixth shaft is a fixed gear, or vice versa. Additionally, the idler gear of the sixth shaft is rotationally fixable to the sixth shaft.

Six-speed front-transverse double-clutch transmission with third counter shaft

A gear unit for a powertrain and a powertrain including a stepped planetary gearset, a first gear shifting element and a second gear shifting element. The stepped planetary gearset has a first sun gear, a first ring gear, a second ring gear, and stepped planet gears rotatably mounted at a first planet carrier. The first ring gear is fixed with respect to rotation to an output shaft of the gear unit. The second ring gear is fixed with respect to rotation to a housing. The first gear shifting element drivingly connects the first sun gear to an electric machine in a closed state, and the second gear shifting element drivingly connects the first planet carrier to the electric machine in a closed state, and one of the two gear shifting elements is in the closed state for driving the output shaft in rotation.

Gear unit and powertrain for a vehicle

A gear unit for a powertrain of a vehicle includes a stepped planetary gearset, a first gear shifting element and a second gear shifting element. The stepped planetary gearset has at least a first ring gear, a second ring gear and a plurality of stepped planet gears rotatably mounted at a first planet carrier. The first planet carrier drivingly connects to an electric machine. The second ring gear is connected to an output shaft of the gear unit so as to be fixed with respect to rotation relative to it. The first gear shifting element fixes the first ring gear relative to a housing in a closed state, and the second gear shifting element brings the stepped planetary gearset into direct drive in a closed state. One of the two gear shifting elements is in the closed state for driving the output shaft in rotation.

A gear unit for a powertrain and gear unit having a stepped planetary gearset, a first gear shifting element and a second gear shifting element. The stepped planetary gearset has a first sun gear, a first ring gear, a second ring gear, and a plurality of stepped planet gears rotatably mounted at a first planet carrier. The first sun gear is connected to an electric machine. The first planet carrier is fixedly connected to a housing with respect to rotation. The first gear shifting element connects the second ring gear to an output shaft of the gear unit in a closed state, and the second gear shifting element connects the first ring gear to the output shaft of the gear unit in a closed to state, and one of the two gear shifting elements) is in the closed state for driving the output shaft in rotation.

A gear unit includes: a stepped planetary gearset, and first and second gear shifting elements. The stepped planetary gearset has first and second sun gears, a first ring gear and a plurality of stepped planet gears rotatably mounted at a first planet carrier. The first ring gear is connected to an output shaft of the gear unit thus being fixed with respect to rotation relative to it. The first planet carrier is connected to a housing and fixed with respect to rotation relative to it. The first gear shifting element drivingly connects the second sun gear to an electric machine in a closed state, and the second gear shifting element drivingly connects the first sun gear to an electric machine in a closed state. One of the two gear shifting elements is in the closed state for driving the output shaft in rotation.

A transmission for a bicycle includes at least four shift elements, one input shaft (), a first planetary gear set (PS) which is operatively connected to the input shaft (), and a second planetary gear set (PS). A carrier of the first planetary gear set is rotationally fixed to a carrier of the second planetary gear set (PS).

Transmission for a bicycle

A transmission () for an electric drive of a vehicle includes a first input shaft (), a second input shaft (), an output shaft (), two shift elements () for connecting the transmission () to an electric machine of the electric drive, and a planetary gear set () configured as a stepped planetary gear set. A first sun gear () of the planetary gear set () is rotationally fixed to the first input shaft (). A second sun gear () of the planetary gear set () is rotationally fixed to the second input shaft (). A ring gear () of the planetary gear set () is fixed at a rotationally fixed component () of the transmission (). A planet carrier () of the planetary gear set () is rotationally fixed to the output shaft (). A first shift element () is configured for connecting the first input shaft () to the electric machine of the electric drive. A second shift element () is configured for connecting the second input shaft () to the electric machine of the electric drive.

Transmission for an electric drive or drive train of a vehicle, electric drive and drive train

A wheel head transmission () comprising a first and second shafts (W, W) which are connected to one another via a planetary transmission (PG). The wheel head transmission () comprises first and second planetary stages (P, P), which include a first element (E, E), a second element (E, E) and a third element (E, E). The first element (E) of the first planetary stage (P) is connected to the first shaft (W) for conjoint rotation, the second element (E) of the first planetary stage (P) and the third element (E) of the second planetary stage (P) are connected to one another and the second shaft (W) for conjoint rotation. The third element (E) of the first planetary stage (P) and the first element (E) of the second planetary stage (P) are connected together for conjoint rotation, and the second element (E) of the second planet stage (P) is immobilized.

Wheel head transmission for a wheel head of a motor vehicle drive axle, and wheel head

Growing community of inventors

Weißensberg, Germany

Michael Wechs