DUAL CLUTCH TRANSMISSION

Abstract

A dual clutch transmission includes an input shaft and a first clutch, which has a first input disc carrier, a first output disc carrier, a first force transfer region, and a first actuating piston. The transmission has a second clutch having a second input disc carrier, a second output disc carrier, a second force transfer region, and a second actuating piston. The transmission includes a first partial transmission having a first partial transmission input shaft, and a second partial transmission having a second partial transmission input shaft. The input shaft, the first input disc carrier, and the second input disc carrier are non-rotationally connected to one another. The first output disc carrier is non-rotationally connected to the first partial transmission input shaft. The second output disc carrier is non-rotationally connected to the second partial transmission input shaft. The second partial transmission input shaft is arranged coaxially and radially surrounding the first partial transmission input shaft.

Claims

1-10. (canceled)

11. A dual clutch transmission, comprising: an input shaft; a first clutch having a first input disc carrier, a first output disc carrier, a first force transfer region, and a first actuating piston; a second clutch having a second input disc carrier, a second output disc carrier, a second force transfer region, and a second actuating piston; a first partial transmission having a first partial transmission input shaft; a second partial transmission having a second partial transmission input shaft; and a connecting plate, wherein the input shaft, the first input disc carrier, and the second input disc carrier are non-rotationally connected to one another, wherein the first output disc carrier is non-rotationally connected to the first partial transmission input shaft, wherein the second output disc carrier is non-rotationally connected to the second partial transmission input shaft, wherein the second partial transmission input shaft is arranged coaxially to and radially surrounding the first partial transmission input shaft, wherein the first force transfer region is arranged radially surrounding and axially at least partially overlapping with the second force transfer region, wherein the connecting plate radially overlaps with the first force transfer region, is non-rotationally connected to the second partial transmission input shaft, extends radially from the second partial transmission input shaft, radially overlaps with at least the first force transfer region and is arranged axially between the first and second partial transmissions and the force transfer regions, wherein a first actuating chamber of the first clutch is arranged on a side of the first force transfer region facing towards the input shaft and is delimited by a first wall, which is non-rotationally connected to the input shaft.

12. The dual clutch transmission of claim 11, further comprising: a connecting element non-rotationally connected to the second partial transmission shaft for connecting a rotor of an electric engine, wherein the connecting element is arranged radially surrounding the first output disc carrier and axially at least partially overlapping with the second actuating piston.

13. The dual clutch transmission of claim 11, further comprising: a cylinder section non-rotationally connected to the second partial transmission input shaft, wherein the cylinder section is arranged radially surrounding and axially at least partially overlapping with the first input disc carrier.

14. The dual clutch transmission of claim 11, further comprising: a second output plate that non-rotationally connects the second output disc carrier to the second partial transmission input shaft.

15. The dual clutch transmission of claim 11, further comprising: a second input plate that non-rotationally connects the second input disc carrier to the input shaft, wherein the second input plate extends radially outwards starting from a non-rotational connecting point on the second input disc carrier.

16. The dual clutch transmission of claim 15, wherein the second input plate is arranged on a side of the first force transmission region facing towards the first and second partial transmissions.

17. The dual clutch transmission of claim 11, wherein the first output disc carrier is a first inner disc carrier and the second output disc carrier is a second inner disc carrier.

18. The dual clutch transmission of claim 11, wherein the input shaft is configured such that a first actuating oil flow and a first centrifugal oil flow of the first clutch can be supplied through the input shaft.

19. The dual clutch transmission of claim 11, wherein the second partial input shaft is configured such that a second actuating oil flow and a second centrifugal oil flow of the second clutch can be supplied through the second partial transmission input shaft.

20. The dual clutch transmission of claim 11, wherein the first actuating chamber of the first clutch is arranged axially between an internal combustion engine and a second actuating chamber of the second clutch.

Description

BRIEF DESCRIPTION OF THE DRAWING FIGURE

[0018] The sole FIGURE shows a schematic depiction of a dual clutch transmission according to the invention.

DETAILED DESCRIPTION

[0019] The sole FIGURE shows a dual clutch transmission 10. The dual clutch transmission 10 is formed by a hybrid dual clutch transmission. The dual clutch transmission 10 is provided for use in a motor vehicle, not shown in more detail. In the present case, the motor vehicle comprises the dual clutch transmission 10. The dual clutch transmission 10 comprises a first partial transmission 12, depicted schematically. The dual clutch transmission 10 comprises a second partial transmission 14, depicted schematically. The first partial transmission 12 is provided to switch gears referred to as odd numbers. The first partial transmission 12 has a first partial transmission input shaft W1. The first partial transmission input shaft W1 is formed as an inner input shaft. The first partial transmission input shaft W1 is formed as a hollow shaft. However, it is also conceivable to form a first partial transmission input shaft W1 as a solid shaft. The second partial transmission 14 is provided for switching gears referred to as even numbers. The second partial transmission 14 has a second partial transmission input shaft W2. The second partial transmission input shaft W2 is formed as an outer input shaft. The second partial transmission input shaft W2 is formed as a hollow shaft. The second partial transmission input shaft W2 is arranged coaxially and radially surrounding the first partial transmission input shaft W1. The first partial transmission 12 and the second partial transmission 14 have several switching units, not depicted in more detail. The switching units are provided to produce switchable connections between transmission shafts, fixed wheels, and/or idler wheels of the partial transmissions 12, 14. In principle, however, it is also conceivable that the first partial transmission 12 is provided for shifting even-numbered gears and the second partial transmission 14 is provided for shifting odd-numbered gears. The second partial transmission input shaft W2 is advantageously arranged radially outside the first partial transmission input shaft W1 and/or the first partial transmission input shaft W1 is formed as an inner partial transmission input shaft and the second partial transmission input shaft W2 as an outer partial transmission input shaft. As a result, a high degree of installation space efficiency can advantageously be achieved. Furthermore, an advantageous dual clutch design can be made possible. The dual clutch transmission 10 has an input shaft W0. The input shaft W0 is coupled to a dual mass flywheel 34 of the motor vehicle. The dual mass flywheel 34 is coupled to an internal combustion engine 36 of the motor vehicle. The dual-mass flywheel 34 is provided to reduce torsional vibrations of the internal combustion engine 36. The input shaft W0 is provided to be driven by the internal combustion engine 36. The dual clutch transmission 10 includes a main axis of rotation 38. The partial transmission input shaft W1, the partial transmission input shaft W2, and the input shaft W0 are arranged concentrically to the main axis of rotation 38.

[0020] The dual clutch transmission 10 comprises a transmission housing, not depicted in more detail. The dual clutch transmission 10 has a first clutch K1. The first clutch K1 is allocated to the first partial transmission 12. The first clutch K1 is formed as a disc clutch. The first clutch K1 has at least one inner disc and at least one outer disc. The dual clutch transmission 10 has a second clutch K2. The second clutch K2 is allocated to the second partial transmission 14. The second clutch K2 is formed as a disc clutch. The second clutch K2 has at least one inner disc and at least one outer disc. The first clutch K1 and the second clutch K2 are arranged radially stacked one on top of the other. The second clutch K2 is arranged radially inside the first clutch K1. The first clutch K1 and the second clutch K2 are arranged at least substantially in the same axial extension region.

[0021] The first clutch K1 has a first input disc carrier K11, a first output disc carrier K12, a first force transfer region K13, and a first actuating piston B11. The first input disc carrier K11 is formed as a first outer disc carrier. The first output disc carrier K12 is formed as a first inner disc carrier. The first force transfer region K13 is formed by a region of the inner discs and the outer discs of the first clutch K1. The first force transfer region K13 is formed by a disc packet. The first clutch K1 has a first actuation unit B1, which has the first actuation piston B11.

[0022] The second clutch K2 has a second input disc carrier K21, a second output disc carrier K22, a second force transfer region K23, and a second actuating piston B21. The second input disc carrier K21 is formed as a second outer disc carrier. The second output disc carrier K22 is formed as a second inner disc carrier. The second force transfer region K23 is formed by a region of the inner discs and the outer discs of the second clutch K2. The second force transfer region K23 is formed by a disc packet. The second clutch K2 has a second actuating unit B2, which has the second actuating piston B21. The first force transfer region K13 is arranged radially surrounding and axially at least partially overlapping with the second force transfer region K23.

[0023] The first actuation unit B1 is arranged radially in a region of the first force transfer region K13. The first actuating unit B1 is arranged axially outside of the first force transfer region K13. The first actuating unit B1 is arranged axially on a side of the first force transfer region K13 facing towards the internal combustion engine 36. The first actuation unit B1 is provided for hydraulic actuation of the first clutch K1. A first centrifugal oil flow B15 can be supplied to the first actuating unit B1. The first centrifugal oil flow B15 can be supplied to the first actuation unit B1 from the side of the first actuation unit B1 that faces towards the internal combustion engine 36. The first actuation unit B1 comprises the first actuation piston B11. The first actuating piston B11 is arranged to be axially movable. The first actuation unit B1 has a first actuation chamber B12. The first actuation chamber B12 of the first clutch K1 is arranged on a side of the first force transfer region K13 facing towards the input shaft W0. The first actuation chamber B12 is axially arranged on a side of the first force transfer region K13 facing towards the internal combustion engine 36. A first actuating oil can be supplied to the first actuating chamber B12 by means of a first actuating oil flow B13. A first actuating oil pressure can be built up in the first actuating chamber B12. An axial position of the first actuating piston B11 can be controlled by means of the first actuating oil pressure. When the first actuating oil pressure in the first actuating chamber B12 is high, the first actuating piston B11 is provided to close the first clutch K1. When a first actuating oil pressure in the first actuating chamber B12 is low, a first return spring (not depicted in more detail) is provided to remove the first actuating piston B11 from the first clutch K1. The first actuating piston B11 delimits the first actuating chamber B12 axially on a side of the actuating space B12 facing away from the internal combustion engine 36.

[0024] The first actuating unit B1 has a first centrifugal oil chamber B14. The first centrifugal oil chamber B14 is arranged on a side of the first actuating piston B11 arranged opposite the first actuating chamber B12. A first centrifugal oil can be supplied to the first centrifugal oil chamber B14 by means of the first centrifugal oil flow B15, in particular in an open state of the first clutch K1. The first centrifugal oil chamber B14 is provided for centrifugal force compensation. A part of the first centrifugal oil chamber B14 is formed as a first piston guide chamber of the first actuating piston B11. Viewed in the axial direction, the first actuating piston B11 is arranged at least partially on a side of the first force transfer region K13 facing away from the partial transmissions 12, 14. Viewed in the axial direction, the first actuating piston B11 is arranged at least partially on a side of the first force transfer region K13 facing towards the internal combustion engine 36. The first actuating piston B11 is arranged radially overlapping with the second force transfer region K23.

[0025] The second actuating unit B2 is arranged radially at least partially in a region of the second force transfer region K23. The second actuating unit B2 is arranged axially at least substantially outside the second force transfer region K23. The second actuating unit B2 is arranged axially on a side of the second force transfer region K23 facing away from the internal combustion engine 36. The second actuating unit B2 is provided for hydraulically actuating the second clutch K2. A second centrifugal oil flow B25 can be supplied to the second actuating unit B2. The second actuating unit B2 comprises the second actuating piston B21. The second actuating piston B21 is arranged to be axially movable. The second actuating unit B2 has a second actuating chamber B22. The second actuating chamber B22 is arranged axially at least substantially outside the second force transfer region K23. The second actuating chamber B22 is arranged axially on a side of the second force transfer region K23 facing away from the internal combustion engine 36. A second actuating oil can be supplied to the second actuating chamber B22 by means of a second actuating oil flow B23. A second actuating oil pressure can be built up in the second actuating chamber B22. By means of the second actuating oil pressure, an axial position of the second actuating piston B21 can be controlled. When a second actuating oil pressure in the second actuating chamber B22 is high, the second actuating piston B21 is provided to close the second clutch K2. When a second actuating oil pressure in the second actuating chamber B22 is low, a second return spring, not depicted in more detail, is provided to remove the second actuating piston B21 from the second clutch K2. The second actuating piston B21 axially delimits the second actuating chamber B22 to a side of the second actuating chamber B22 facing towards the internal combustion engine 36. The second actuation unit B2 has a second centrifugal oil chamber B24. The second centrifugal oil chamber B24 is arranged on a side of the second actuating piston B21 arranged opposite the second actuating chamber B22. A second centrifugal oil can be supplied to the second centrifugal oil chamber B24 by means of a second centrifugal flow B25, in particular in an open state of the second clutch K2. The second centrifugal chamber B24 is provided for centrifugal force compensation. A part of the second centrifugal chamber B24 is formed as a second piston guide chamber of the second actuating piston B21.

[0026] The first actuating chamber B12 and the second actuating chamber B22 are arranged at least substantially in the same radial extension region. The first actuating chamber B12 of the first clutch K1 is arranged axially between the internal combustion engine 36 and the second actuating chamber B22 of the second clutch K2. The second force transfer region K23 is arranged radially surrounding the first actuating chamber B12. The first centrifugal oil chamber B14 and the second centrifugal oil chamber B24 are arranged at least substantially in the same radial extension region.

[0027] The first actuating oil flow B13 and the first centrifugal oil flow B15 can be supplied to the first clutch K1 through the input shaft W0. The first actuating oil flow B13 and the first centrifugal oil flow B15 can be supplied to the first clutch K1 axially from the direction of the internal combustion engine 36. The first actuating oil flow B13 and the first centrifugal oil flow B15 are supplied to the first clutch K1 axially from one side of the internal combustion engine 36 through the input shaft W0. The first centrifugal oil flow B15 is coupled to the first centrifugal oil chamber B14 of the first clutch K1. The first actuation oil flow B13 is coupled to the first actuating chamber B12 of the first clutch K1. The first actuating oil flow B13 and the first centrifugal oil flow B15 are partially guided by the input shaft W0.

[0028] The second actuating oil flow B23 and the second centrifugal oil flow B25 can be supplied to the second clutch K2 through the second partial transmission input shaft W2. The second actuating oil flow B23 and the second centrifugal oil flow B25 can be supplied to the second clutch K2 axially from the direction of the partial transmissions 12, 14. The second actuating oil flow B23 and the second centrifugal oil flow B25 are supplied to the second clutch K2 axially from one side of the partial transmissions 12, 14 through the second partial transmission input shaft W2. The second centrifugal oil flow B25 is coupled to the second centrifugal oil chamber B24 of the second clutch K2. The second actuating oil flow B23 is coupled to the second actuating chamber B22 of the second clutch K2.

[0029] The dual clutch transmission 10 has a first input plate 44, by means of which the input shaft W0 is non-rotationally connected to the first input disc carrier K11. The first input plate 44 is arranged axially on a side of the force transfer regions K13, K23 facing away from the partial transmissions 12, 14. The first input plate 44 is arranged axially between the first force transfer region K13 and the internal combustion engine 36. The first input plate 44 is arranged radially overlapping with the first force transfer region K13. The first input plate 44 is arranged radially overlapping with the first force transfer region K13 and the second force transfer region K23. The first input plate 44 is directly connected to the input shaft W0 on a radially inner end. The first input plate 44 extends radially outwards from the input shaft W0. The first input plate 44 is non-rotationally connected to the first input disc carrier K11 of the first clutch K1. The first input plate 44 is directly connected to the first input disc carrier K11.

[0030] The first actuation chamber B12 is delimited by a first wall 30 that is non-rotationally connected to the input shaft W0. The dual clutch transmission 10 comprises the first wall 30. The first wall 30 extends radially outwards from the input shaft W0. The first wall 30 is formed by a rotationally symmetrical, plate-shaped element. The first wall 30 is arranged coaxially to the input shaft W0, in particular to the main axis of rotation 38. The first wall 30 is arranged on a side of the first actuating chamber B12 facing away from the partial transmissions 12, 14. The first wall 30 is arranged on a side of the first force transmission region K13 facing towards the internal combustion engine 36. The first actuating chamber B12 is arranged axially between the first wall 30 and the first actuating piston B11. The first wall 30 is integrally formed with the first input plate 44. The first input plate 44 forms the first wall 30. The first actuating chamber B12 is axially delimited in the direction of the internal combustion engine 36 by the first input plate 44. The first actuating chamber B12 is delimited in one direction directly by the first input plate 44, in particular directly by the first wall 30. The first actuating chamber B12 is arranged directly between the first input plate 44 and the first actuating piston B11. The first actuating chamber B12 is delimited radially inwards by the input shaft W0. The first actuating chamber B12 is delimited radially outwards and in the axial direction on the side facing the partial transmissions by the first actuating piston B11. The first actuating chamber B12 is arranged radially overlapping with the second actuating chamber B22.

[0031] The first centrifugal oil chamber B14 is delimited radially outwards by a hollow cylindrical extension on a bypass plate 50 of the dual clutch transmission 10, wherein the bypass plate 50 is non-rotationally connected to the input shaft W0. The bypass plate 50 is formed by a rotationally symmetrical, plate-shaped component. The bypass plate 50 is arranged coaxially to the input shaft W0. The bypass plate 50 delimits the first centrifugal oil chamber B14 in the axial direction on a side of the first centrifugal oil chamber B14 facing towards the partial transmissions 12, 14.

[0032] The second actuating chamber B22 is delimited by a second wall 32 which is non-rotationally connected to the second partial transmission input shaft W2. The dual clutch transmission 10 comprises the second wall 32. The second wall 32 extends radially outwards from the second partial transmission input shaft W2. The second wall 32 is formed by a rotationally symmetrical, plate-shaped element. The second wall 32 is arranged coaxially to the second partial transmission input shaft W2, in particular to the main axis of rotation 38. The second wall 32 is arranged on a side of the second actuating chamber B22 facing towards the partial transmissions 12, 14.

[0033] The dual clutch transmission 10 has a connecting plate 16 that radially overlaps the first force transmission region K13 and is non-rotationally connected to the second partial transmission input shaft W2 and extends radially from the second partial transmission input shaft W2 and is arranged axially between the partial transmissions 12, 14 and the force transfer regions K13, K23. The connecting plate 16 is formed by a rotationally symmetrical, plate-shaped component. The connecting plate 16 is formed in one piece. The connecting plate 16 is formed as a deformation component. The connecting plate 16 is arranged coaxially to the partial transmission input shaft W2. The second actuating chamber B22 is axially limited in the direction of the partial transmissions 12, 14 by the connecting plate 16. The second actuating chamber B22 is arranged axially between the connecting plate 16 and the second force transfer region K23. The second actuating chamber B22 is delimited in one direction directly by the connecting plate 16, in particular directly by the second wall 32. The second actuating chamber B22 is arranged directly between the connecting plate 16 and the second actuating piston B21. The second actuating chamber B22 is delimited radially inwards by the second partial transmission input shaft W2. The second actuating chamber B22 is delimited radially outwardly by a hollow cylindrical extension on the connecting plate 16. The second wall 32 is formed integrally with the connecting plate 16. The connecting plate 16 forms the second wall 32. The second actuating chamber B22 is arranged between the second wall 32 and the second actuation piston B21.

[0034] The input shaft W0, the first input disc carrier K11, and the second input disc carrier K21 are non-rotationally connected to one another. The dual clutch transmission 10 has a second input plate 26 by means of which the second input disc carrier K21 is non-rotationally connected to the input shaft W0. The second input plate 26 extends radially outwardly from a non-rotational connecting point 52 on the second input disc carrier K21. The second input plate 26 is directly connected to the second input disc carrier K21. The second input plate 26 is non-rotationally connected at a radial outer end via a cylindrical section to the first input plate 44, by means of which the first input disc carrier K11 is non-rotationally connected to the input shaft W0. The second input plate 23 is directly connected to the second input disc carrier K21 at a radially inner end. The second input plate 26 is arranged axially between the second force transfer region K23 and the partial transmissions 12, 14. The second input plate 26 is arranged radially overlapping with the first force transfer region K13. The second input plate 26 is arranged on a side of the first force transfer region K13 facing towards the partial transmissions 12, 14. The second input plate 26 is non-rotationally connected to the first input disc carrier K11 of the first clutch K1. The second input plate 26 is arranged axially between the first force transfer region K13 and the connection plate 16. The second input plate 26 is arranged radially overlapping with the first force transfer region K13. The input plates 26, 44 are each formed by rotationally symmetrical, round elements that are arranged coaxially to the main axis of rotation 38. The input plates 26, 44 are each formed in one piece. The input plates 26, 44 are each designed as a deformation component.

[0035] The first output disc carrier K12 is non-rotationally connected to the first partial transmission input shaft W1. The dual clutch transmission 10 has a first output plate 46 by means of which the first output disc carrier K12 is non-rotationally connected to the first partial transmission input shaft W1. The first output plate 46 is arranged radially overlapping with the second actuating chamber B22. The first output disc 46 is arranged radially within the first force transfer region K13. The first output plate 46 is arranged axially at least partially overlapping with the first force transfer region K13. The first output plate 46 is axially connected between the first wall 30 and the connection plate 16 to the first partial transmission input shaft W1. The output plate 46 is fixedly connected to the first partial transmission input shaft W1 at an end of the first partial transmission input shaft W1 facing towards the internal combustion engine 36.

[0036] The second output disc carrier K22 is non-rotationally connected to the second partial transmission input shaft W2. The dual clutch transmission 10 has a second output plate 28 by means of which the second output disc carrier K22 is non-rotationally connected to the second partial transmission input shaft W2. The second output plate 28 is arranged radially overlapping with the second actuating chamber B22. The second output plate 28 is arranged radially within the second force transfer region K23. The second output plate 28 is arranged on a side of the second force transfer region K23 facing towards the partial transmissions 12, 14, when seen in the axial direction. The second output plate 28 is connected axially between the first output plate 46 and the connection plate 16 to the second partial transmission input shaft W2. The second output plate 28 is fixedly connected to the second partial transmission input shaft W2 at an end of the second partial transmission input shaft W2 facing towards the internal combustion engine 36.

[0037] The second output plate 28 delimits the second centrifugal oil chamber B24 in the axial direction on a side of the second centrifugal oil chamber B24 facing away from the partial transmissions 12, 14. The output plates 28, 46 are each formed in one piece. The output plates 28, 46 are each designed as a deformation component. Alternatively, and not depicted further here, the second output disc carrier K22 can be non-rotationally connected directly to the connecting plate 16 radially outside the second centrifugal oil chamber B24. In this alternative, which is not depicted, the second output plate 28 is formed as part of the connection plate 16.

[0038] Furthermore, the dual clutch transmission 10 comprises a plurality of sealing elements, of which two sealing elements 40, 42 are provided with a reference sign in FIG. 1 as an example. The sealing elements 40, 42 are provided to seal gaps between components of the actuating units B1, B2 with respect to an actuating oil.

[0039] The dual clutch transmission 10 comprises an electric engine 18. The electric engine 18 comprises a stator 48 and a rotor 20. The electric engine 18 serves to hybridize the dual clutch transmission 10. The dual clutch transmission 10 has a connection element 22, which is non-rotationally connected to the second partial transmission input shaft W2, for connecting the rotor 20 of the electric engine 18. The connection element 22 is arranged radially surrounding the first output disc carrier K12 and axially at least partially overlapping with the second actuating piston B21. The rotor 20 comprises a drive element provided to interact with the coupling element 22. The coupling element 22 is formed by an output element. The connection element 22 is provided for connecting the rotor 20 of the electric machine 18 to the dual clutch transmission 10, in particular in a torque-transmitting manner.

[0040] The dual clutch transmission 10 has a cylinder section 24 non-rotationally connected to the second partial transmission input shaft W2 and which is arranged radially surrounding and axially at least partially overlapping with the first input disc carrier K11. The cylinder section 24 is non-rotationally connected to the connection plate 16. The cylinder section 24 is non-rotationally connected to the second partial transmission input shaft W2 via the connecting plate 16. The cylinder section 24 is formed integrally with the connecting plate 16. The cylinder section 24 is further fixedly connected to the connecting element 22. The electric engine 18 is connected to the cylinder section 24 via the connecting member 22. The cylinder section 24 is rotatably mounted with respect to the input shaft W0.

[0041] Although the invention has been illustrated and described in detail by way of preferred embodiments, the invention is not limited by the examples disclosed, and other variations can be derived from these by the person skilled in the art without leaving the scope of the invention. It is therefore clear that there is a plurality of possible variations. It is also clear that embodiments stated by way of example are only really examples that are not to be seen as limiting the scope, application possibilities or configuration of the invention in any way. In fact, the preceding description and the description of the FIGURES enable the person skilled in the art to implement the exemplary embodiments in concrete manner, wherein, with the knowledge of the disclosed inventive concept, the person skilled in the art is able to undertake various changes, for example, with regard to the functioning or arrangement of individual elements stated in an exemplary embodiment without leaving the scope of the invention, which is defined by the claims and their legal equivalents, such as further explanations in the description.

LIST OF REFERENCE NUMERALS

[0042] 10 Dual clutch transmission [0043] 12 Partial transmission [0044] 14 Partial transmission [0045] 16 Connecting plate [0046] 18 Electric engine [0047] 20 Rotor [0048] 22 Connecting element [0049] 24 Cylinder section [0050] 26 Input plate [0051] 28 Output plate [0052] 30 Wall [0053] 32 Wall [0054] 34 Dual mass flywheel [0055] 36 Internal combustion engine [0056] 38 Main axis of rotation [0057] 40 Sealing element [0058] 42 Sealing element [0059] 44 Input plate [0060] 46 Output plate [0061] 48 Stator [0062] 50 Bypass plate [0063] 52 Connecting point [0064] B1 Actuating unit [0065] B11 Actuating piston [0066] B12 Actuating chamber [0067] B13 Actuating oil flow [0068] B14 Centrifugal oil chamber [0069] B15 Centrifugal oil flow [0070] B2 Actuating unit [0071] B21 Actuating piston [0072] B22 Actuating chamber [0073] B23 Actuating oil flow [0074] B24 Centrifugal oil chamber [0075] B25 Centrifugal oil flow [0076] K1 Clutch [0077] K11 Input disc carrier [0078] K12 Output disc carrier [0079] K13 Force transfer region [0080] K2 Clutch [0081] K21 Input disc carrier [0082] K22 Output disc carrier [0083] K23 Force transfer region [0084] W0 Input shaft [0085] W1 Partial transmission input shaft [0086] W2 Partial transmission input shaft