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CN114174092A - Drive device for a motor vehicle - Google Patents

Drive device for a motor vehicle Download PDF

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Publication number
CN114174092A
CN114174092A CN202080054132.6A CN202080054132A CN114174092A CN 114174092 A CN114174092 A CN 114174092A CN 202080054132 A CN202080054132 A CN 202080054132A CN 114174092 A CN114174092 A CN 114174092A
Authority
CN
China
Prior art keywords
clutch
transmission
electric machine
combustion engine
internal combustion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202080054132.6A
Other languages
Chinese (zh)
Inventor
马丁·索伊弗特
马克·施魏厄
乌尔里希·弗兰茨曼
洛塔尔·赫德勒
安德烈亚斯·黑格拉特
冈特·吕勒
阿明·弗莱格
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Magna Pt & CoKg GmbH
Original Assignee
Magna Pt & CoKg GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Magna Pt & CoKg GmbH filed Critical Magna Pt & CoKg GmbH
Publication of CN114174092A publication Critical patent/CN114174092A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
    • B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B60K6/485—Motor-assist type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54—Transmission for changing ratio
    • B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
    • B60K2006/268—Electric drive motor starts the engine, i.e. used as starter motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B60K2006/4833—Step up or reduction gearing driving generator, e.g. to operate generator in most efficient speed range
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Of Transmissions (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

A drive (1) for a motor vehicle, comprising an internal combustion engine (2), an electric machine (4) and a transmission (5), wherein the transmission (5) has a clutch device (6) having a clutch input (7), wherein the clutch input (7) is drivingly connected to the internal combustion engine (2) and the electric machine (4), wherein the internal combustion engine (2) and the transmission (5) are arranged substantially coaxially along a central axis (8) and the electric machine (4) is arranged substantially parallel to the central axis (8) on the side of the clutch device (6) facing away from the internal combustion engine (2).

Description

Drive device for a motor vehicle
Technical Field
The invention relates to a drive device for a motor vehicle, comprising an internal combustion engine, an electric machine and a transmission, wherein the transmission has a clutch device with a clutch input, wherein the clutch input is drivingly connected to the internal combustion engine and the electric machine, wherein the internal combustion engine and the transmission are arranged substantially coaxially along a central axis, and the electric machine is arranged substantially parallel to the central axis on the side of the clutch device facing away from the internal combustion engine.
Background
Such drives are used in motor vehicle technology, for example in hybrid drive trains. In motor vehicle technology, a hybrid vehicle is generally understood to be a motor vehicle having a combination of an internal combustion engine drive system and an electric drive system. The combination of these two drivers can be done in a variety of different ways. Depending on the arrangement of the internal combustion engine, the electric machine and the transmission of the motor vehicle, a distinction is in principle made between series, parallel and power-split hybrid drive trains. Furthermore, mixed forms of these three basic structures are often used, which combine the advantages of the corresponding structures. The most common form in hybrid vehicle technology is a parallel hybrid drive train, in which the electrical path runs parallel to the internal combustion engine path and the power of the two systems for driving the vehicle is mechanically superimposed. In this case, the electric machine can be arranged at different points in the drive train, which results in specific advantages and disadvantages, respectively. Depending on the position of the electric machine in the drive train of the motor vehicle, a distinction is usually made between P1, P2, P3 and P4 parallel hybrid drive trains. However, mixed forms which combine the advantages of the corresponding embodiments are also often desired here.
In the P1 arrangement, the electric machine is mounted directly on the internal combustion engine and is rigidly connected to the crankshaft. The internal combustion engine cannot be decoupled from the electric machine and must be towed both during electric driving and during energy recovery, which leads to very inefficient operation.
In the P2 arrangement, the electric machine is not mounted directly on the internal combustion engine, but rather on the transmission input with the aid of a clutch located therebetween, which enables the internal combustion engine to be decoupled, if necessary, by "decoupling" from the remaining drive train. Electric drive and energy recovery can be operated in a more efficient framework, i.e. without sacrificing the drag torque of the internal combustion engine.
In the P1 and P2 hybrid solutions, in addition to the functions of electric drive, power assist and energy recovery, other functions such as electric starting and stationary charging can be achieved via the electric machine.
If the transmission is configured as a dual clutch transmission, the electric machine is arranged radially outside the dual clutch of the transmission in the P1 and P2 hybrid solutions. The electric machines used for this purpose are of relatively large construction, they have a relatively large diameter and, in addition to a large weight, also lead to a large material usage and thus to high costs. The rotational speed level of the electric machine corresponds to the rotational speed level of the internal combustion engine. It is not feasible to operate two machines simultaneously at the respective optimum efficiency points. In the P2 arrangement, a clutch is also installed between the internal combustion engine and the electric machine, which clutch must be cold-cut and controlled via an additional actuator. This results in additional costs and increased installation space and construction effort.
These disadvantages can be at least partially overcome in the P1 device, and can be the case in particular in "mild hybrid systems" with limited requirements with regard to "electric drive", in particular because "break" couplings can be dispensed with, contrary to the P2 device, which in turn can save costs and installation space.
Disclosure of Invention
The object of the present invention is to provide a drive for a motor vehicle, in particular a hybrid vehicle, which corresponds in function to the P1 device and in this case allows an optimized use of the available installation space, thus also representing a P1 solution that is cost-effective and installation space-optimized.
This need is met by the subject matter of the present invention according to the first independent claim. Advantageous embodiments of the invention are described in the dependent claims.
The drive device according to the invention comprises an internal combustion engine, an electric machine and a gear change transmission. According to the invention, the internal combustion engine and the transmission are arranged substantially coaxially along the central axis, and the electric machine is arranged substantially parallel to the central axis, and is thus arranged "offset" with respect to the internal combustion engine and the transmission.
According to the invention, the manual transmission has a clutch device with a clutch input.
According to the invention, the internal combustion engine is connected in driving fashion to the clutch input of the clutch device.
Furthermore, according to the invention, the motor drive is operatively connected to the clutch input of the clutch device.
According to the invention, the electric machine is also arranged on the side of the clutch device of the transmission facing away from the internal combustion engine.
The drive-active connection between the electric machine and the clutch input is preferably arranged on the side of the clutch device facing away from the internal combustion engine. The clutch device is preferably designed as a disk clutch.
In a preferred embodiment variant of the invention, the electric machine is operatively connected to the clutch input of the clutch device via a spur gear stage. However, the drive-acting connection can also be realized via different types of gears, chains, belts or other mechanical drive elements.
The drive-acting connection can also be made on the radially outer side via a toothed belt transmission, i.e. for example a toothed chain, on a component of the clutch device, for example on the clutch pot. The advantage is that this embodiment has no influence on the axial overall length of the clutch device, and therefore does not increase said axial overall length.
In a particularly preferred embodiment variant of the invention, the transmission is designed as a dual clutch transmission with a dual clutch as the clutch device. The Manual Transmission (MT), the automatic transmission (AMT), the multi-stage Automatic Transmission (AT), the Continuously Variable Transmission (CVT), etc., are also conceivable as embodiments of the manual transmission.
The clutch device preferably has a clutch pot, a clutch housing and a clutch hub, wherein the clutch pot, the clutch housing and the clutch hub are connected to one another in a rotationally fixed manner and are the clutch input of the clutch device, wherein the electric machine is connected in a driving manner to the clutch input via the clutch pot, the clutch housing or the clutch hub of the clutch device.
The transmission preferably has a housing, wherein the electric machine is arranged in the housing. Cooling of the transmission and the electric machine together can thus be achieved.
By means of the design of the drive according to the invention, in particular the arrangement of the electric motor, a drive which is optimized with respect to the cost and installation space of the P1 arrangement can be realized.
Drawings
The invention is described below with exemplary reference to the drawings.
Fig. 1 shows a schematic view of a drive device.
Fig. 2 shows a detail of a schematic view of a drive device with a connection of the electric machine to the drive action of the clutch hub.
Fig. 3 shows a detail of a schematic representation of a drive device with a drive connection of an electric motor to a clutch housing.
Detailed Description
Fig. 1 shows a drive device 1 according to the invention.
The drive 1 has two drive units, namely an internal combustion engine 2 and an electric machine 4, and a manual transmission 5.
The internal combustion engine 2 and the manual transmission 5 are arranged substantially coaxially with respect to a central axis 8. The electric machine 4 is arranged parallel to the coaxial arrangement of the internal combustion engine 2 and the transmission 5, i.e. the electric machine 4 is arranged "offset" with respect to the internal combustion engine 2 and the transmission 5.
The internal combustion engine 2 is drivingly connected on the output side to a crankshaft 3.
The manual transmission 5 shown schematically in fig. 1 has a clutch device 6 with a clutch input 7. The clutch input 7 is drivingly connected to the crankshaft 3, which is in turn drivingly connected to the internal combustion engine 2. The electric machine 4 is drivingly connected to the clutch input 7 via a spur gear stage 9.
The electric machine 4 is arranged on the side of the clutch device 6 facing away from the internal combustion engine 2. Furthermore, the motor 4 is connected to the clutch input 7 of the clutch device 6 via a spur gear stage 9 on the side of the clutch device 6 facing away from the internal combustion engine 2. The drive-active connection of the electric machine 4 to the clutch input 7 can, however, be carried out at will, i.e. also at another suitable point of the clutch input 7.
In the following, for the purpose of exemplifying the invention it is assumed that: the manual transmission 5 is designed as a dual clutch transmission 5 'with a dual clutch 6' as the clutch device 6.
The dual clutch transmission 5 ' illustrated schematically in fig. 1 to 3 has a dual clutch 6 ', which dual clutch 6 ' has a first friction disk clutch 10 and a second friction disk clutch 11, a first transmission input shaft 12, a second transmission input shaft 13, a first sub-transmission 14, a second sub-transmission 15 and a transmission output shaft 16. The first transmission input shaft 12 is assigned to the first sub-transmission 14 and can be drivingly connected to the crankshaft 3 via the first friction-disk clutch 10 of the double clutch 6. The second transmission input shaft 13 is assigned to a second sub-transmission 15 and can be drivingly connected to the crankshaft 3 via the second friction-disk clutch 11 of the double clutch 6. The first sub-transmission 14 and the second sub-transmission 15 each have a plurality of gears, with odd gears being assigned to the first sub-transmission 14, and even gears and a reverse gear being assigned to the second sub-transmission 15 (not shown).
As described above, the dual clutch 6 'of the dual clutch transmission 5' has the first friction plate clutch 10 and the second friction plate clutch 11. The first friction disk clutch 10 and the second friction disk clutch 11 are arranged radially inside one another. The first friction clutch 10 is arranged radially on the outside and the second friction disk clutch 11 is arranged radially on the inside.
The direction specification "radial" describes a direction orthogonal to the central axis 8.
Furthermore, the dual clutch 6 'of the dual clutch transmission 5' has a clutch pot 17, a clutch housing 18 and a clutch hub 19 (fig. 2, 3). The clutch pot 17, the clutch housing 18 and the clutch hub 19 are connected to one another in a rotationally fixed manner. The clutch pot 17 is connected to the crankshaft 3 via a connecting mechanism, and further connected to the internal combustion engine 2. In the exemplary embodiment shown in fig. 2 and 3, the three components, i.e. the clutch pot 17, the clutch housing 18 and the clutch hub 19, are connected to one another in a rotationally fixed manner and together form the clutch input 7.
Fig. 2 shows a variant of the drive 1, in which the drive-active connection between the electric machine 2 and the clutch input 7 is effected via a clutch hub 19 of the dual clutch 6'. The clutch pot 17 is drivingly connected to the crankshaft 3 and thus to the internal combustion engine 2 and is connected in a rotationally fixed manner to a clutch hub 19 and a clutch housing 18 of the double clutch 6'. The electric machine 4 is drivingly connected to the clutch hub 19 via the spur gear stage 9.
Fig. 3 shows a variant of the drive 1, in which the drive-active connection between the electric machine 2 and the clutch input 7 is effected via the clutch housing 18 of the dual clutch 6'. The clutch housing 18 of the double clutch 6' forms a radial friction lining carrier for the first friction lining clutch 10 and the second friction lining clutch 11. The clutch pot 17 is connected in a driving manner to the crankshaft 3 and thus to the internal combustion engine 2 and is connected in a rotationally fixed manner to a clutch hub 19 and a clutch housing 18 of the double clutch 6'. The electric machine 4 is connected in a rotationally fixed manner to the clutch housing 18 via the spur gear stage 9. The torque on the side of the internal combustion engine 2 is thus transmitted to the plate sets of the first and second friction- plate clutches 10, 11 via the clutch housing 18 of the double clutch 6'. The radially inner disk carrier of the first disk clutch 10 is drivingly connected to the first transmission input shaft 12, while the radially inner disk carrier of the second disk clutch 11 is drivingly connected to the second transmission input shaft 13.
In all embodiment variants, the electric machine 4 is arranged substantially parallel to the double clutch transmission 5 'on the side of the double clutch 6' facing away from the internal combustion engine 2.
List of reference numerals:
1 drive device
2 internal combustion engine
3 crankshaft
4 electric machine
5-shift transmission
5' dual clutch transmission
6 clutch device
6' double clutch
7 Clutch input
8 central axis
9 spur gear stage
10 first friction plate clutch
11 second friction plate clutch
12 first transmission input shaft
13 second transmission input shaft
14 first sub-transmission
15 second sub-transmission
16 speed variator output shaft
17 Clutch tank
18 clutch shell
19 a clutch hub.

Claims (6)

1. A drive device (1) for a motor vehicle, comprising:
-an internal combustion engine (2),
-an electric machine (4), and
-a gear change transmission (5), wherein the gear change transmission (5) has a clutch device (6) with a clutch input (7), wherein the clutch input (7) is drivingly connected to the internal combustion engine (2) and the electric machine (4),
wherein the internal combustion engine (2) and the gear change transmission (5) are arranged substantially coaxially along a central axis (8), and the electric machine (4) is arranged substantially parallel to the central axis (8) on the side of the clutch device (6) facing away from the internal combustion engine (2).
2. Drive arrangement (1) according to claim 1, characterized in that the connection of the drive action between the electric machine (4) and the clutch input (7) is carried out on the side of the clutch arrangement (6) facing away from the internal combustion engine (2).
3. Drive (1) according to claim 1 or 2, characterized in that the electric motor (4) is drivingly connected to a clutch input (7) of the clutch device (6) via a spur gear stage (9).
4. Drive arrangement (1) according to claim 1, 2 or 3, characterized in that the gear change transmission (5) is configured as a dual clutch transmission (5 ') with a dual clutch (6') as clutch arrangement (6).
5. Drive arrangement (1) according to one of claims 1 to 4, characterized in that the clutch device (6) has a clutch pot (17), a clutch housing (18) and a clutch hub (19), wherein the clutch pot (17), the clutch housing (18) and the clutch hub (19) are connected to one another in a rotationally fixed manner and are a clutch input (7) of the clutch device (6), wherein the electric machine (4) is connected in a driving manner to the clutch input (7) via the clutch pot (17), the clutch housing (18) or the clutch hub (19) of the clutch device (6).
6. Drive arrangement (1) according to one of the preceding claims, characterized in that the gear change transmission has a housing, wherein the electric machine is arranged in the housing.
CN202080054132.6A 2019-09-16 2020-08-13 Drive device for a motor vehicle Pending CN114174092A (en)

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