Zf Friedrichshafen Ag

Zp Friedrichshafen Ag

Raffael Kuberczyk

Peter Ziemer

Juri Pawlakowitsch

Johannes Kaltenbach

Eckehard Münch

Stefan Beck

Martin Brehmer

Michael Wechs

Matthias Horn

Jens Moraw

Viktor Warth

Uwe Griesmeier

Gerhard Niederbrucker

Stephan Scharr

Julian King

Thomas Rosemeier

Michael Roske

Bernd Knöpke

Bernd Unseld

Christian Sibla

Andreas Beisswenger

Matthias Reisch

Wolfgang Rieger

Anton Fritzer

Lara Ruth Turner

Martin Rattay

Suryanto Hendrawan

Max Bachmann

Oliver Bayer

Felix Merz

A dual clutch arrangement for a dual clutch transmission includes a first clutch and a second clutch. The output of the first clutch is connected to the input of the second clutch. A dual clutch transmission arrangement with the dual clutch arrangement and a motor vehicle with the dual clutch arrangement are also provided.

Dual-clutch transmission arrangement, and motor vehicle

A dual clutch transmission arrangement () includes a first clutch (K) and a second clutch (K) for connecting a drive unit () to a first sub-transmission and to a second sub-transmission. The first clutch (K) is connected to both transmission input shafts. A motor vehicle with the dual clutch transmission arrangement () is also provided.

A transmission (G) includes an input shaft (GW), an output shaft (GW), an electric machine (EM), a plurality of planetary gear sets (P-PP-P), and gear-implementing shift elements (S-SS-S). Via engagement of a first of the gear-implementing shift elements (SS), which is a force-locking shift element having a variable torque transmission capacity, the input shaft (GW) and an element (EE) of one of the planetary gear sets (PP) can be brought into a fixed rotational speed relationship with respect to each other. Another element (EEE) of one of the planetary gear sets (PPP) is permanently connected to a rotor (R) of the electric machine (EM). By engaging an auxiliary shift element (ZS,ZSa,ZSb), which is a form-locking shift element, the rotor (R) and the input shaft (GW) can be brought into a fixed rotational speed relationship with respect to each other.

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

A connection of an oil pump () to a hybrid transmission of a motor vehicle includes an electric machine () arranged axially parallel to a transmission input shaft (). A drive of the oil pump () is connected in the operative connection between the transmission input shaft () and the electric machine () via an intermediate gear () of a spur gear drive or via a chain drive ().

Connection of an oil pump to a hybrid transmission of a motor vehicle having an electric motor arranged axially parallel to a drive shaft

A motor vehicle transmission including an interface to a drive unit, a drive shaft, an output shaft coaxial to the drive shaft, a differential transmission paraxial to the drive shaft, a device for forming gear ratios between the drive and output shafts, and an electric motor with a fixed stator and a rotatable rotor. The output shaft is connected with the differential transmission by a chain drive and a downstream gear set coaxial to the differential transmission. The electric motor is at an axial end of the transmission where the interface to the drive unit is formed. The rotor is connected with the drive shaft. The chain drive is axially between the differential transmission and the downstream gear set or the downstream gear set is axially between the chain drive and the differential transmission, and the chain drive is axially between the electric motor and the downstream gear set.

Vehicle transmission and hybrid drivetrain

A transmission for a motor vehicle having an input shaft, an output shaft, a plurality of planetary gear sets, a plurality of shift elements, and an electric machine arranged axially parallel to the input shaft and operatively connected to the input shaft with a constant transmission ratio via a spur gear drive or a flexible traction drive mechanism. Various gear steps are formable between the input shaft and the output shaft through the planetary gear sets by selectively engaging shift elements of the plurality of shift elements. An actuating element of one of the plurality of shift elements is arranged, at least partially, radially within an element of the spur gear drive or the flexible traction drive mechanism arranged coaxially to the input shaft, and together with the spur gear drive or the flexible traction drive mechanism in a plane orthogonal to an axis of rotation of the input shaft.

Transmission for a motor vehicle, and drive train for a motor vehicle

A transmission for a motor vehicle having an input shaft, an output shaft, first, second, and third planetary gear sets, a plurality of shift elements, and an electric machine arranged axially parallel to the input shaft and operatively connected to the input shaft with a constant transmission ratio via a spur gear drive or a flexible traction drive mechanism. Various gear steps are formable between the input shaft and the output shaft through the planetary gear sets by selectively engaging shift elements of the plurality of shift elements. Elements of the third planetary gear set are arranged, at least partially, radially within an element of the spur gear drive or of the flexible traction drive mechanism arranged coaxially to the input shaft, and together with the spur gear drive or the flexible traction drive mechanism in a plane oriented orthogonally to the axis of rotation of the input shaft.

A transmission (G) for a motor vehicle includes an input shaft (GW), an output shaft (GW), three planetary gear sets (PPP), as well as four shift elements (BKKK). By selective engagement of the four shift elements (BKKK) in pairs, six forward gears (-) are shiftable between the input shaft (GW) and the output shaft (GW).

Gear mechanism for a motor vehicle, and drive train for a motor vehicle comprising such a gear mechanism

A transmission (G) for a motor vehicle comprising an upstream gear set (VRS), a main gear set (HRS) with a total of four shafts (W, W, W, W) referred to in order of rotational speeds as first, second, third and fourth shafts, an electric machine (EM), and at least five shift elements (A, B, C, E, F), the selective pairwise closure of which realizes at least eight selectable forward gear ratios (G-G) between a drive shaft (GW) and an output shaft (GW) of the transmission (G). The upstream gear set (VRS) provides a rotational speed at a fifth shaft (W) increased relative to the rotational speed of the drive shaft (GW), in a fixed transmission ratio with respect to the drive shaft (GW). The main gear set (HRS) is a stepped planetary gear set (PS).

Gearing for a motor vehicle, and hybrid drive train with same

A transmission for a motor vehicle wherein the drive shaft (An) is rotationally fixedly connectable by the first shift element (K) to the first shaft () and by the second shift element (K) to the second shaft (). The second shaft () is rotationally fixedly connectable by the fifth shift element (B) to the housing (). The third shaft () is rotationally fixedly connected to the third gear set element of the second planetary gear set (RS) and to the first gear set element of the third planetary gear set and is rotationally fixedly connectable by the sixth shift element (B) to the housing (). The second gear set element of the third planetary gear set (RS) is rotationally fixedly connected to the output shaft (Ab), and the third gear set element of the third planetary gear set (RS) is rotationally fixedly connected to the second shaft ().

Vehicle transmission

The invention relates to a transmission (G) for a motor vehicle, wherein the transmission (G) comprises an input shaft (GW), an output shaft (GW), three planetary gear sets (P, P, P), as well as at least five shift elements (B, K, K, K, K), wherein, by means of selective engagement of the at least five shift elements (B, K, K, K, K), seven forward gears (to) can be selected between the input shaft (GW) and the output shaft (GW), and a drive train for a motor vehicle comprising such a transmission (G).

Transmission for a motor vehicle

A transmission (G) for a motor vehicle includes an input shaft (GW), an output shaft (GW), three planetary gear sets (P, P, P), and four shift elements (B, K, K, K). By selective engagement of the four shift elements (B, K, K, K) in pairs, six forward gears (-) are shiftable between the input shaft (GW) and the output shaft (GW).

A transmission (G) for a motor vehicle includes a drive shaft (GW), an output shaft (GW), a first and a second planetary gear set (P, P), and a first, second, third, fourth and fifth shift element (). Six forward gear ratios (-) between the drive shaft (GW) and the output shaft (GW) are engagable through selective pairwise closure of the five shift elements () and rotationally fixed immobilization of the sun gear (E) of the first planetary gear set (P).

A transmission for a motor vehicle wherein the drive shaft (An) is rotationally fixedly connectable by the first shift element (K) to the first shaft () and the first shaft is rotationally fixedly connectable by the second shift element (B) to the housing (). A sun gear of the first planetary gear set (RS) is rotationally fixedly connectable by the third shift element (K) to the drive shaft (An). A carrier of the first planetary gear set (RS) is rotationally fixedly connected to the output shaft (Ab) and to a ring gear of the second planetary gear set (RS). A ring gear of the first planetary gear set (RS) is rotationally fixedly connected to the second shaft (), wherein the second shaft () is rotationally fixedly connectable by the fourth shift element (B) to the housing ().

A transmission includes a drive shaft, an output shaft, three planetary gear sets, and five shift elements, the first and second planetary gear sets are negative or minus gear sets. The third planetary gear set comprises three elements. The drive shaft is connected to the first element. A ring gear of the first planetary gear set is connected to the second element. The drive shaft is connectable to a sun gear of the first planetary gear set through the first shift element. The third element is rotationally fixable through the second shift element. The sun gear of the second planetary gear set is rotationally fixable through the third shift element. The planetary carrier of the second planetary gear set is rotationally fixable through the fourth shift element. The drive shaft is connectable to the planetary carrier of the second planetary gear set through the fifth shift element.

Growing community of inventors

Ravensburg, Germany

Raffael Kuberczyk