Zf Friedrichshafen Ag

Other

Zf Drivetech (Suzhou) Co. Ltd.

Kai Bornträger

Johannes Kaltenbach

Johannes Glückler

Stefan Renner

Michael Trübenbach

Peter Ziemer

Thomas Martin

Stefan Spühler

Fabian Kutter

Christoph Margraf

Christian Mittelberger

Andreas Beisswenger

Stefan Brom

Stefan Beck

Michael Wechs

Jens Moraw

Gerhard Niederbrucker

Rayk Gersten

Stefan Blattner

Matthias Reisch

Eckhardt Lübke

Bernard Hunold

Stefan Wallner

Paul Lenz

Ulrich Kehr

Max Bachmann

Heinz Reichert

Thorsten Leim

Jochen Breuer

Frank Seemann

Marco Di Sarno

Martin Jelinewski

David Wörzler

Mladjan Radic

Dennis Wohlfahrt

Andreas Heinzler

Werner Hechberger

Cong Ren

Michael Preuβ

Andreas Grossl

Rene Budach

Timo Hele

Maik Wörl

Axel Michael Muller

Rick Hauschwitz

Axel Michael Müller

A gearbox has an input shaft, an output shaft, three shifting elements, and three planetary gearsets each having a sun shaft, ring gear shaft, and web shaft. The first sun shaft, the second sun shaft, and the input shaft are connected rotationally fixed. Rotationally fixed connections are made between the first ring gear shaft and a stationary component, the first web shaft and the second ring gear shaft, the second web shaft and the third sun shaft, and the third web shaft and the output shaft. Closing the first shifting element connects the third ring gear shaft rotationally fixed to a stationary component. Closing the second shifting element connects in a rotationally fixed manner the first web shaft, the second ring gear shaft, the third web shaft, and the output shaft. Closing the third shifting element connects rotationally fixed two of the three shafts of the third planetary gearset.

Gearbox and drive unit with such a gearbox

A motor vehicle transmission () has a first drive input shaft (), a second drive input shaft (), a drive output shaft (), and a first planetary gearset (P), a second planetary gearset (P) and a third planetary gearset (P), where the drive input shafts () are designed in each case for coupling to a respective drive machine. In addition, at least four shifting elements in the form of a first shifting element (B), a second shifting element (C), a third shifting element (E), and a fourth shifting element (F) are provided, at least functionally. The motor vehicle transmission can be part of a drive unit (), a vehicle drive axle, a hybrid or electric vehicle and the subject of a method for operating a motor vehicle transmission.

Motor vehicle transmission for an at least partially electrically driven motor vehicle

A motor vehicle transmission () includes a drive shaft (), an output shaft (), and a first planetary gear set (P), a second planetary gear set (P), and a third planetary gear set (P). The drive shaft () is provided for coupling to at least one drive engine. The first planetary gear set (P) is positioned axially at least overlapping with the second planetary gear set (P) and is arranged radially on the inside of the second planetary gear set (P). Furthermore, a shift element (A) is provided at least functionally. The invention also relates to a drive unit (), an electrically drivable motor vehicle drive axle, a hybrid or electric vehicle and a method for operating a motor vehicle transmission.

A drive unit for a vehicle includes an electric machine and a manual gearbox with at least a first shift element, a second shift element, a third shift element and two planetary gear sets coupled to one another and each having a sun shaft, a hollow gear shaft, and a web shaft. The second hollow gear shaft is connected rotationally fixed to the first web shaft. The first sun shaft is connected to a stationary component. In the respective actuated states, the first shift element locks the first planetary gear set to shift a first gear, the second shift element connects the first hollow gear shaft to the second web shaft to shift a second gear, and the third shift element connects the first hollow gear shaft to the second sun shaft to shift a third gear.

Drive unit for a vehicle

A vehicle drive unit has an electric machine and a manual gearbox with first and second shift elements and two planetary gear sets coupled to one another. Each gear set has a sun shaft, a ring gear shaft, and a web shaft. The second sun shaft is drivable by the electric machine and is configured as an output of the shift gear. The second ring gear shaft is connected rotationally fixed to the first web shaft, and the first sun shaft is connected rotationally fixed to a stationary component. When actuated, the first shift element connects the first ring gear shaft to an element of the first planetary gear set and/or of the second planetary gear set. When actuated, the second shift element connects the first ring gear shaft rotationally fixed to the second sun shaft or the second web shaft in order to shift a second gear.

A motor vehicle transmission () has a drive input shaft (), a drive output shaft () and a first planetary gearset (P), and a second planetary gearset (P), where the drive input shaft () is provided for coupling to a drive machine. In addition, a first shifting element (A) and a second shifting element (B) are provided, at least functionally. Also disclosed are a drive unit (), a motor vehicle drivetrain, a hybrid or electric vehicle, and a method for operating a motor vehicle transmission.

A motor vehicle transmission () has a drive input shaft (), a drive output shaft (), a first planetary gearset (P), and a second planetary gearset (P). The drive input shaft () is provided for coupling to a drive machine. In addition, a first shifting element (A) and a second shifting element (B) are provided, at least functionally. Also disclosed is a drive unit (), a motor vehicle drivetrain, a hybrid or electric vehicle, and a method for operating a motor vehicle transmission.

A stator (1a, 1 b) for an electric machine. The stator (,) is fixedly mounted relative to a rotational axis (Rot). The stator () comprises a stator yoke () that extends in the axial (A) and radial (R) directions. Stator teeth (), facing toward the rotational axis (Rot), are arranged in a ring shape on the stator yoke (). The teeth are uniformly spaced apart from one another so that a stator groove () is formed therebetween. The stator (,) is divided into a first stator section () and a second stator section (). First and second outer walls () are provided on the stator yoke () and serve to axially support the stator yoke (). A cooling manifold disk () is integrated between the first stator section () and the second stator section (). An electric machine with a stator of that type is also disclosed.

Stator for an electric motor and an electric motor

A drive axle of an electric vehicle has first and a second drive wheels (R, R) with wheel axles (a, a), a first electric machine (EM) and a second electric machine (EM) with a common rotation axis (m), a transmission (G) with a transmission input shaft (EW) and a transmission output shaft (AW), and an axle differential (DI) with a differential input (DIK) and two differential output shafts (). The first electric machine (EM) is connected to the transmission input shaft (EW) and the transmission output shaft (AW) is connected to the differential input (DIK). The second electric machine (EM) can be connected as an additional drive when necessary.

Drive axle of an electric vehicle and powershifting method

A drive device for an electrically driven axle of a motor vehicle may include at least one electric machine, a shiftable transmission connected downstream from the at least one electric machine, and a differential coupled to the transmission for distributing drive torque to the axle. The transmission has first and second planetary gear sets connected in series. The at least one electric machine engages with an external toothing of a ring gear of the first planetary gear set. A carrier of the first planetary gear set is rotationally fixed to a sun gear of the second planetary gear set. A sun gear of the first planetary gear set is detachably couplable to a housing. A ring gear of the second planetary gear set is coupled to the housing. A carrier of the second planetary gear set is an output of the transmission. The first planetary gear set is interlockable.

Drive device for an electrically driven axle of a motor vehicle

A drive axle for an electric vehicle which comprises first and second electric machines (EM, EM), first and second drive wheels (R, R) and first and second two-speed transmissions (G, G) each having the same gear ratios. The first electric machine (EM) drives the first drive wheel (R) by way of the first two-speed transmission (G) and the second electric machine (EM) drives the second drive wheel (R) by way of the second two-speed transmission (G). The first and the second two-speed transmissions (G, G) each comprise a first planetary gearset (PS) and a second planetary gearset (PS) coupled to one another. The first planetary gearset (PS) and the second planetary gearset (PS) each comprise a web shaft (ST, ST), a ring-gear shaft (HR, HR) and a sun-gear shaft (SO, SO).

Drive axle for an electric vehicle

Disclosed is an electric vehicle transmission (&#x2033;) comprising a drive input shaft (), a drive output shaft (), a first planetary gearset (), and a second planetary gearset (). The drive input shaft () is provided for connection to an electric machine (), where each of the first planetary gearset () and the second planetary gearset () includes a first element (), a second element () and a third element (), respectively. A first shifting element (A) and a second shifting element (B') are provided, by the selective actuation of which the drive input shaft () can be connected to the drive output shaft () by means of the planetary gearsets () by engaging a gear. Also disclosed is a drive module (&#x2033;) with such an electric vehicle transmission (&#x2033;) and a method for operating an electric vehicle transmission (&#x2033;).

Electric vehicle transmission

A drive arrangement for an element vehicle, having first and second drive wheels (R, R), a first electric machine (EM) and a second electric machine (EM) with a common rotational axis (m), a manual transmission (G) with a transmission input shaft (EW) and a transmission output shaft (AW) and an axle differential (DI) with a differential input (DIK) and two differential output shafts (). The first electric machine (EM) is connected to the transmission input shaft (EW) and the transmission output shaft (AW) is connected to the differential input (DIK), and the second electric machine (EM) can, if necessary, be engaged as an additional drive.

Drive arrangement for an electric vehicle and method for power shifting

A transmission having planetary gearsets (RSRSRSRSRS). Elements (STST) of gearsets (RSRS) form input and output shafts, respectively. Element (SO) of gearset (RS) couples element (HO) of gearset (RS) and can be immobilized by shift element (A). Element (ST) of gearset (RS) couples element (HO) of gearset (RS). Element (HO) of gearset (RS) can be immobilized by shift element (B). Elements (SOST) of gearsets (RSRS) can connect by shift element (C). Elements (HOSOSO) of gearsets (RSRSRS) couple and can couple element (SO) of gearset (RS) by shift element (E). An element of gearset (RS) is connected to an element of gearset (RS), while another element of gearset (RS) can be connected by shift element (D) to another element of gearset (RS). Elements (SOST) of gearsets (RSRS) are connected and can be immobilized by shift element (F).

Automatic transmission

A drive axle of an electrically drivable vehicle including first and second drive wheels (R, R), first and second manual transmissions (G, G) and first and second electrical machines (EM, EM) which each have a respective drive shaft (a,b). The first electrical machine (EM) drives the first drive wheel (R), via the first manual transmission (G), and the second electrical machine (EM) drives the second drive wheel (R), via the second manual transmission (G). The manual transmissions are each designed as three-speed transmissions (G, G) which have identical transmission ratios (i, i, i).

Drive axle for electric vehicles

Growing community of inventors

Langenargen, Germany

Kai Bornträger