Zf Friedrichshafen Ag

Nucellsys Gmbh

Ballard Power Systems Corporation

Ballard Power Systems Ag

Zp Friedrichshafen Ag

Zr Friedrichshafen Ag

Uwe Griesmeier

Johannes Kaltenbach

Stefan Beck

Matthias Horn

Michael Wechs

Jens Moraw

Gerhard Niederbrucker

Viktor Warth

Peter Ziemer

Stephan Scharr

Fabian Kutter

Martin Brehmer

Raffael Kuberczyk

Juri Pawlakowitsch

Eckehard Münch

Julian King

Thomas Martin

Bernd Knöpke

Christian Sibla

Michael Roske

Matthias Wesa

Valerie Engel

Ulrich Mair

Berthold Keppeler

Christoph Margraf

Christoph Pelchen

Thomas Riedisser

Hagen Doepfert

Ünal Gazyakan

Leschek Debernitz

Dietmar Mirsch

Jürgen Kett

Ulrich Doerr

Bernd Vahlensieck

Peter Reitz

Uwe Schraff

Markus Strobel

Fabian Döling

Martina Fischer

Jochen Nussbaumer

Wolfgang Schmid

Alfred Haug

Klaus Dobler

J&uuml;rgen Ludwig

Peter Friebe

Michel Wiemer

Matthias Nitsch

Daniel Ortner

An arrangement for actuating a shift element for a bottom bracket gearbox () includes a shift ring () rotatably mounted in a housing () and assigned to a gearbox component. A shift pawl () for locking or releasing the shift ring () is assigned to the shift ring () for shifting a gear stage. A support region mechanically reinforces the housing () and is provided at least along a contact region () between an inner wall () of the housing () and an outer circumference of the shift ring (). The contact region () is defined by reaction forces () acting when the shift ring () is locked.

Bottom-bracket gear

A drive arrangement for a bicycle or pedelec includes a manual drive shaft () in a housing (). A rotor () of a first electric drive (EM) is arranged axially parallel to the manual drive shaft (), and a rotor () of a second electric drive (EM) is arranged coaxially to the manual drive shaft (). The rotor () of the first electric drive (EM) is coupled to a first planetary gear set (PS) as a superposition gearbox via a first fixed ratio. The rotor () of the second electric drive (EM) is coupled to the manual drive shaft () via a second fixed ratio. The manual drive shaft () is coupled to the first planetary gear set (PS) as the superposition gearbox, and the first planetary gear set (PS), as the superposition gearbox, is coupled to an output ().

Drive arrangement for a bicycle or pedelec

A shiftable planetary transmission () includes a planet carrier (), a plurality of planet gears () rotatably arranged at the planet carrier (), a sun gear (), and a ring gear (). The sun gear () and the ring gear () mesh with the planet gears (). The planet carrier () includes at least one connecting element (), which is axially displaceable therein. The at least one connecting element (), on a first side of the planet carrier (), is at least indirectly connected to an actuator () and, on a second side of the planet carrier (), is at least indirectly connected to a first dog element (). The first dog element () is displaceable, by an actuator actuation, between a first shift position and at least a second shift position due to an axial displacement of the at least one connecting element () in the planet carrier ().

Shiftable planetary gear train

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 method for operating a hybrid transmission includes monitoring the surroundings of a motor vehicle and, based on the data ascertained within the scope of the monitoring, determining a probability of occurrence of a driving situation to be anticipated, which, upon occurring, results in a deceleration of the motor vehicle. Based on the determined probability of occurrence, it is decided whether to carry out an electrodynamic gear shift or an output-assisted gear shift in order to transfer the hybrid transmission out of an operating condition, in which a gear is engaged, into a shift condition.

Method for operating a hybrid transmission

A transmission (G) for a motor vehicle includes an electric machine (EM), a first input shaft (GW), a second input shaft (GW), an output shaft (GWA), two planetary gear sets (P, P, P), and at least five shift elements (A, B, C, D, E). Different gears are implementable by selectively actuating the at least five shift elements (A, B, C, D, E) and, in addition, in interaction with the electric machine (EM), different operating modes are implementable. A drive train for a motor vehicle with the transmission (G), and to a method for operating the transmission (G) are also provided.

Transmission for a motor vehicle, motor vehicle powertrain, and method for operating a transmission

A transmission () of a motor vehicle includes a first input shaft () for a first prime mover (), a second input shaft () for a second prime mover (), and an output shaft (). A first sub-transmission () includes the first input shaft and a countershaft () coupled to the first input shaft () via a constant ratio. Gearwheels () are arranged on the countershaft, which mesh exclusively into gearwheels () arranged coaxially to the first input shaft (). At least some of these gearwheels mesh into gearwheels () arranged on the output shaft (). Shift elements (A, B, C, D) are associated with the first input shaft () as well as with the countershaft (), which provide either a gear with a first number of instances of gearwheel meshing or a winding-path gear with a second number of instances of gearwheel meshing. A second sub-transmission () includes the second input shaft (), which is designed as a planetary transmission. A ring gear () forms the second input shaft (), and a carrier () is coupled to the output shaft () via a gearwheel () arranged coaxially to the first input shaft (). Shift elements (F, E) are associated with the planetary transmission, via which a sun gear () is fixedly connectable to the housing or the planetary transmission is bringable into direct drive. A sub-transmission coupling of the sub-transmissions is providable via one of the shift elements (A) associated with the countershaft.

Transmission and drive system of a motor vehicle

A transmission (G) for a motor vehicle includes an electric machine (EM), a first input shaft (GW), a second input shaft (GW), an output shaft (GWA), three planetary gear sets (P, P, P), and at least six shift elements (A, B, C, D, E, F). Different gears are implementable by selectively actuating the at least six shift elements (A, B, C, D, E, F), and different operating modes are implementable by selectively actuating the at least six shift elements (A, B, C, D, E, F) in interaction with the electric machine (EM). A drive train for a motor vehicle with the transmission (G) and a method for operating the transmission (G) are also provided.

Transmission for a motor vehicle

A transmission (G) for a motor vehicle includes an electric machine (EM), a first input shaft (GW), a second input shaft (GW), an output shaft (GWA), two planetary gear sets (P, P, P), and at least six shift elements (A, B, C, D, E, F). Different gears are implementable by selectively actuating the at least six shift elements (A, B, C, D, E, F) and, in addition, in interaction with the electric machine (EM), different operating modes are implementable. A drive train for a motor vehicle with such transmission (G) and a method for operating such transmission (G) are also provided.

A transmission (G) for a motor vehicle includes an electric machine (EM), a first input shaft (GW), a second input shaft (GW), an output shaft (GWA), two planetary gear sets (PPP), and at least five shift elements (A, B, C, D, E). Different gears are implementable by selectively actuating the at least five shift elements (A, B, C, D, E) and, in addition, in interaction with the electric machine (EM), different operating modes are implementable. A drive train for a motor vehicle with such a transmission (G) and a method for operating same are also provided.

Transmission for a motor vehicle, motor vehicle drive train, and method for operating a transmission

A transmission (G) for a motor vehicle includes an electric machine (EM), a first input shaft (GW), a second input shaft (GW), an output shaft (GWA), at least two planetary gear sets (PP), and at least four shift elements (A, B, C, D). Different gears are selectable by selectively actuating the at least four shift elements (A, B, C, D). In interaction with the electric machine (EM), different operating modes are implementable. A drive train for a motor vehicle that includes such a transmission (G) and to a method for operating same are also provided.

Transmission for a motor vehicle, motor vehicle powertrain comprising said transmission, and method for operating the transmission

A transmission () includes a first input shaft () for a first prime mover (), a second input shaft () for a second prime mover (), as well as a first output shaft () and a second output shaft (), which are each coupleable to a drive output (). A first sub-transmission () includes the first input shaft (), and fixed gears () are arranged on the first input shaft (). Each of these fixed gears () meshes with a respective idler gear () on the first output shaft () and with a respective idler gear () on the second output shaft (). Shift elements (A, B, C, D) are associated with the output shafts (), depending on which the idler gears of the output shafts are coupleable to the particular output shaft in a rotationally fixed manner. A second sub-transmission () includes the second input shaft () and is designed as a planetary transmission. A ring gear () forms the second input shaft (). A carrier () is coupled to one of the output shafts (). Shift elements (F, E) are associated with the planetary transmission, via which, depending on their shift position, the sun gear () is fixedly connectable to the housing or the planetary transmission is bringable into direct drive. The planetary transmission is arranged coaxially to the first input shaft (). The carrier () of the planetary transmission is permanently coupled to one of the output shafts via a spur gear stage.

A transmission (G) for a motor vehicle includes an electric machine (EM), a first input shaft (GW), a second input shaft (GW), an output shaft (GWA), two planetary gear sets (P, P, P), and at least five shift elements (A, B, C, D, E). Different gears are implementable by selectively actuating the at least five shift elements (A, B, C, D, E) and, in addition, in interaction with the electric machine (EM), different operating modes are implementable. A drive train for a motor vehicle with such transmission (G) and to a method for operating such transmission (G) are also provided.

A transmission () of a motor vehicle includes a first input shaft () for a first prime mover (), a second input shaft () for a second prime mover (), and an output shaft (). A first sub-transmission () includes the first input shaft () and a countershaft () coupled to the first input shaft () via a constant ratio. Gearwheels () are arranged on the countershaft (), which mesh exclusively into gearwheels () arranged coaxially to the first input shaft (). At least some of these gearwheels () mesh into gearwheels () arranged on the output shaft (). Shift elements (A, B, C, D) are associated with the first input shaft () as well as with the countershaft (), which provide either a gear with a first number of instances of gearwheel meshing or a winding-path gear with a second number of instances of gearwheel meshing. A second sub-transmission () includes the second input shaft () and is designed as a planetary transmission. A ring gear () forms the second input shaft () of the second sub-transmission (). A carrier () is permanently coupled to the output shaft () and to a gearwheel () arranged on the countershaft (). Shift elements (F, E) are associated with the planetary transmission, via which, a sun gear () is fixedly connectable to the housing or the planetary transmission is bringable into direct drive.

Growing community of inventors

Markdorf, Germany

Uwe Griesmeier