DE102017124074A1 - Planetary gearbox structure with dry brake application - Google Patents
Planetary gearbox structure with dry brake application Download PDFInfo
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- DE102017124074A1 DE102017124074A1 DE102017124074.8A DE102017124074A DE102017124074A1 DE 102017124074 A1 DE102017124074 A1 DE 102017124074A1 DE 102017124074 A DE102017124074 A DE 102017124074A DE 102017124074 A1 DE102017124074 A1 DE 102017124074A1
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- Prior art keywords
- gear
- transmission
- torque
- drive train
- electric motor
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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
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/02—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
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- B60K17/00—Arrangement or mounting of transmissions in vehicles
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- 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 Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
Zum Schalten eines Planetensatzgetriebes (5) sind Bremsvorrichtungen (3,18) bekannt.Die Bremseinrichtungen (3,18) für die Schaltung des Planetensatzes (5) sind dabei im Getriebegehäuse (6) angeordnet und nasslaufend. Hierdurch entstehen Schleppverluste und eine hydraulische Ansteuerung für die Bremseinrichtung (3,18) ist notwendig.Die Erfindung sieht daher einen Antriebsstrang (1) für ein Kraftfahrzeug vor, welcher, eine Getriebeanordnung (2) mit wenigstens zwei Drehmomentübertragungsvorrichtungen (3,4) umfasst. Diese Vorrichtungen sind wenigstens eine Bremseinrichtung (3) und eine Kupplungseinrichtung (4). Weiter ist eine Getriebestruktur (5) und ein Getriebegehäuse (6) vorgesehen. Wenigstens die eine Bremseinrichtung (3) ist eine Bremseinrichtung (3) des trockenen Typs.For switching a planetary gearset (5) braking devices (3,18) are bekannt.Die brake means (3,18) for the circuit of the planetary gear set (5) are arranged in the gear housing (6) and wet running. The invention therefore provides a drive train (1) for a motor vehicle, which comprises a gear arrangement (2) with at least two torque transmission devices (3, 4). These devices are at least a braking device (3) and a coupling device (4). Furthermore, a transmission structure (5) and a transmission housing (6) are provided. At least one braking device (3) is a braking device (3) of the dry type.
Description
Die vorliegende Erfindung betrifft einen Antriebsstrang für ein Kraftfahrzeug umfassend eine Getriebeanordnung, welche wenigstens zwei Drehmomentübertragungsvorrichtungen, gebildet durch wenigstens eine Bremseinrichtung und einer Kupplungseinrichtung, eine Getriebestruktur und ein Getriebegehäuse aufweist.The present invention relates to a drive train for a motor vehicle comprising a gear arrangement, which has at least two torque transmission devices, formed by at least one brake device and a clutch device, a transmission structure and a transmission housing.
Aus dem Stand der Technik sind unterschiedliche Getriebestrukturen, wie zum Beispiel Zahnradgetriebe, Doppelkupplungsgetriebe oder Planetensatzgetriebe, bekannt. Zusätzlich zu diesen Getriebestrukturen kann ein Antriebsstrang auch noch einen Verbrennungsmotor und/oder einen E-Motor aufweisen. Weist der Antriebsstrang sowohl einen Verbrennungsmotor als auch einen E-Motor als Traktionsmotor auf, so wird allgemein von einem Hybridantriebsstrang gesprochen. Solch ein Hybridantriebsstrang kann beispielsweise dadurch gebildet werden, dass der Verbrennungsmotor über eine Kupplungsanordnung mit der Getriebestruktur, insbesondere mit einem Planetensatzgetriebe verbunden ist. Der E-Motor kann dann achsparallel zur Getriebestruktur angeordnet sein und direkt oder indirekt mit einer Eingangswelle der Getriebestruktur verbunden sein. Die Anbindung des E-Motors an die Getriebeeingangswelle kann dabei über Planetensätze, Zahnräder oder auch Riemen erfolgen. Im Falle eines Planetensatzgetriebes kann diese Getriebeanordnung wiederum Kupplungen und/oder Bremsen aufweisen, mit denen das Getriebe selber geschaltet wird.From the prior art, different transmission structures, such as gear, double clutch or planetary gear, known. In addition to these transmission structures, a drive train may also have an internal combustion engine and / or an electric motor. If the powertrain has both an internal combustion engine and an electric motor as the traction engine, it is generally referred to as a hybrid powertrain. Such a hybrid powertrain can be formed, for example, in that the internal combustion engine is connected via a clutch arrangement to the transmission structure, in particular to a planetary gearset. The electric motor can then be arranged axially parallel to the transmission structure and be connected directly or indirectly to an input shaft of the transmission structure. The connection of the electric motor to the transmission input shaft can be done via planetary gear sets, gears or belts. In the case of a planetary gearset, this gear arrangement may in turn have clutches and / or brakes with which the transmission itself is switched.
Wird bei solch einer Getriebeanordnung ein Planetensatzgetriebe verwendet, so können hierfür entsprechende Drehmomentübertragungsvorrichtungen an der Getriebestruktur vorgesehen sein, welche zum Schalten des Planetenradsatzes des Planetensatzgetriebes und/oder zum Verbinden der Getriebestruktur mit dem Verbrennungsmotor und/oder mit einem E-Motor zuständig sind.If a planetary gearset is used in such a gear arrangement, then corresponding torque transmission devices may be provided on the gear structure, which are responsible for switching the planetary gearset of the planetary gearset and / or for connecting the transmission structure with the internal combustion engine and / or with an electric motor.
Bei den Drehmomentübertragungsvorrichtungen zum Schalten des Planetensatzgetriebes kann es sich dabei insbesondere um Bremseinrichtungen und/oder Kupplungseinrichtungen handeln, bei den Drehmomentübertragungsvorrichtung zum Verbinden mit dem Verbrennungsmotor und/oder dem E-Motor kann es sich ebenso um Kupplungseinrichtungen handeln, auch Drehmomentwandler sind hier möglich.The torque transmission devices for shifting the planetary gearset may be, in particular, brake devices and / or clutch devices, the torque transmission device for connecting to the internal combustion engine and / or the electric motor may also be clutch devices, and torque converters are also possible here.
Die Bremseinrichtungen und/oder Kupplungseinrichtungen für die Schaltung des Planetensatzes sind dabei im Getriebegehäuse angeordnet und nasslaufend, bzw. im Nassraum der Getriebeanordnung angeordnet. Hierdurch entstehen Schleppverluste und eine hydraulische Ansteuerung für die Bremseinrichtung ist notwendig.The braking devices and / or coupling devices for the circuit of the planetary gear set are arranged in the gear housing and wet running, or arranged in the wet space of the gear assembly. This results in drag losses and a hydraulic control for the braking device is necessary.
Ähnliche Anordnungen sind auch für andere Getriebestrukturen möglich.Similar arrangements are also possible for other transmission structures.
Die vorliegende Erfindung soll wenigstens helfen, die Schleppverluste zu verringern.The present invention is intended to at least help to reduce drag losses.
Diese Aufgabe der Erfindung wird durch ein Antriebsstrang gemäß dem Oberbegriff der Erfindung, nach den Merkmalen des Anspruchs 1 gelöst.This object of the invention is achieved by a drive train according to the preamble of the invention, according to the features of claim 1.
Weitere vorteilhafte Ausgestaltung der Erfindung sind in den Unteransprüchen beschrieben.Further advantageous embodiment of the invention are described in the subclaims.
Bei einem gattungsgemäßen Antriebsstrang für die Verwendung von wenigstens einer Bremseinrichtung des trockenen Typs als Bremseinrichtung führt diese Getriebeanordnung dazu, dass zumindest die Schleppverluste verringert werden. Des Weiteren können auch alternative Betätigungssysteme zum Betätigen der Bremseinrichtung leichter verwendet werden.In a generic drive train for the use of at least one braking device of the dry type as a braking device, this gear arrangement leads to at least the drag losses are reduced. Furthermore, alternative actuation systems for actuating the braking device can be used more easily.
Wenigstens eine der Drehmomentübertragungsvorrichtungen der Getriebeanordnung kann durch einen, wenigstens einseitig offenen Bereich, insbesondere des Glockenbereichs des Getriebegehäuses aufgenommen werden. Hierdurch ist bei der Verwendung von trockenen Drehmomentübertragungsvorrichtungen, wobei wenigstens eine Bremseinrichtung trocken ist, gewährleistet, dass der Wärmeintrag, das heißt die thermische Last, in diesem Bereich des Glockenbereichs des Getriebegehäuses gut abgeführt werden kann.At least one of the torque transmission devices of the transmission arrangement can be accommodated by a region open at least on one side, in particular of the bell region of the transmission housing. In this way, when using dry torque transmission devices, wherein at least one braking device is dry, it is ensured that the heat input, that is to say the thermal load, can be dissipated well in this region of the bell region of the transmission housing.
Die andere Drehmomentübertragungsvorrichtung kann dann zum Beispiel über eine Hohlwelle mit der äußeren Atmosphäre verbunden sein, hier kann eine große Öffnung im Getriebegehäuse oder der Getriebeanordnung nicht unbedingt notwendig sein. Insbesondere kann diese Drehmomentübertragungsvorrichtung im Wesentlichen vollständig von dem Getriebegehäuse umschlossen sein und die Hohlwelle eine Getriebeeingangswelle sein, auf der die Drehmomentübertragungsvorrichtung gelagert bzw. mit der diese Vorrichtung verbunden ist.The other torque transmitting device may then be connected, for example via a hollow shaft with the outer atmosphere, here, a large opening in the gear housing or the gear assembly may not be necessary. In particular, this torque transmission device may be substantially completely enclosed by the transmission housing and the hollow shaft may be a transmission input shaft on which the torque transmission device is mounted or connected to this device.
Insbesondere sei angemerkt, dass die hier angemerkten Drehmomentübertragungsvorrichtungen dem Schalten der Getriebestrukturen dienen sollen.In particular, it should be noted that the torque transmission devices noted here are intended to serve the switching of the transmission structures.
Weiterhin kann eine Zwischenwelle vorgesehen sein, welche achsparallel zu einem Rotor eines parallel zur Getriebeanordnung angeordneten E-Motors vorgesehen ist. Die Zwischenwelle soll dabei wenigstens funktional zwischen dem E-Motor und der Getriebeanordnung vorgesehen sein, das heißt, sie soll wenigstens mit beiden Elementen direkt oder indirekt gekoppelt sein. Die Zwischenwelle weist dabei eine erste axiale Seite auf, mit welcher sie zum Beispiel über ein erstes Zahnrad mit einem Drehmomentenausgang der E-Maschine gekoppelt ist. Die Zwischenwelle weist weiterhin eine zweite axiale Seite mit einem zweiten Zahnrad auf, welche mit einem Drehmomenteneingang der Getriebeanordnung gekoppelt ist. Bei diesem Drehmomenteneingang kann es sich insbesondere auch um eine Hohlwelle bzw. eine Getriebeeingangswelle, zum Beispiel eine äußere Getriebeeingangswelle handeln. Es ist hierbei vorgesehen, dass das erste und das zweite Zahnrad voneinander axial beabstandet sind, sodass das zweite Zahnrad axial zwischen den beiden axialen Enden des E-Motors angeordnet ist. Hierdurch ist ein weiterer axialer Aufbau, welcher die axiale Breite der Getriebeanordnung verbreitern würde, nicht notwendig.Furthermore, an intermediate shaft may be provided which is provided axially parallel to a rotor of an electric motor arranged parallel to the gear arrangement. The intermediate shaft should be provided at least functionally between the electric motor and the gear assembly, that is, it should be at least directly or indirectly coupled to both elements. The intermediate shaft has a first axial side, with which they to Example is coupled via a first gear with a torque output of the electric motor. The intermediate shaft further has a second axial side with a second gear, which is coupled to a torque input of the gear assembly. This torque input may in particular also be a hollow shaft or a transmission input shaft, for example an external transmission input shaft. It is hereby provided that the first and the second gear are axially spaced from each other, so that the second gear is disposed axially between the two axial ends of the electric motor. As a result, a further axial structure, which would broaden the axial width of the gear arrangement, not necessary.
Um radialen Platz einzusparen, kann es in einer Weiterbildung der Erfindung vorgesehen sein, dass die Drehachsen des Rotors des E-Motors, der Getriebeeingangswelle und der Zwischenwelle nicht alle auf einer gemeinsamen Ebene liegen, wobei sie allerdings alle parallel zueinander verlaufen. Zwei dieser Drehachsen spannen dabei eine gemeinsame Ebene auf, wobei die dritte Drehachse von dieser beabstandet ist. Die genauen Relationen sollen dabei so bemessen sein, dass eine möglichst große Annäherung zwischen E-Motor und der Getriebestruktur möglich ist. Bei dieser Anordnung kann der Abstand zwischen dem Gehäuse des E-Motors und dem Getriebegehäuse möglichst reduziert werden und die Zwischenwelle, versetzt zu diesen beiden so angeordnet sein, dass sie sowohl mit dem Drehmomentausgang der E-Maschine, als auch mit dem Drehmomenteingang der Getriebestruktur verbunden ist.In order to save radial space, it may be provided in a development of the invention that the axes of rotation of the rotor of the electric motor, the transmission input shaft and the intermediate shaft are not all on a common plane, but they all run parallel to each other. Two of these axes of rotation thereby span a common plane, wherein the third axis of rotation is spaced therefrom. The exact relations should be so dimensioned that the greatest possible approximation between the electric motor and the transmission structure is possible. In this arrangement, the distance between the housing of the electric motor and the gear housing can be reduced as possible and the intermediate shaft, offset to these two be arranged so that they are connected to both the torque output of the electric motor, as well as the torque input of the transmission structure is.
Besonders vorteilhaft ist es, wenn es sich bei einer der Drehmomentübertragungsvorrichtungen um eine Bremseinrichtung handelt, besonders bevorzugt um eine Scheibenbremseinrichtung, welche in einer besonders vorteilhaften Ausführungsform eine Doppelscheibenbremse ist. Bei dieser Doppelscheibenbremse können die beiden erforderlichen, unabhängigen Bremssattel radial benachbart angeordnet werden. Hierdurch wird eine einfache Betätigung von einem Doppelaktorsystem von Außen möglich, wodurch Bauraum eingespart werden kann. Weiterhin könnte bei einer Scheibenbremse auch eine sogenannte „Innenbelüftung“ stattfinden, wodurch diese Bremsenrichtung besonders geeignet ist um hohe Drehmomente zu übertragen.It is particularly advantageous if one of the torque transmission devices is a braking device, particularly preferably a disk brake device, which in a particularly advantageous embodiment is a double-disk brake. In this double disc brake, the two required, independent calipers can be arranged radially adjacent. As a result, a simple operation of a Doppelaktorsystem from the outside is possible, which space can be saved. Furthermore, in the case of a disc brake, a so-called "internal ventilation" could take place, as a result of which this brake direction is particularly suitable for transmitting high torques.
Besonders bevorzugt handelt es sich bei der ersten Drehmomentübertragungsvorrichtung um eine trockene Doppelkupplung und bei der zweiten Drehmomentübertragungsvorrichtung um eine trockene Doppelbremse, wobei die jeweiligen Drehmomentübertragungsvorrichtungen besonders bevorzugt auf jeweils unterschiedlichen axialen Seiten der Getriebeanordnung vorgesehen sind. Hierdurch ist eine einfache Zugänglichkeit und eine günstige Entwärmung der jeweiligen Drehmomentübertragungsvorrichtungen in trockener Bauweise möglich.Particularly preferably, the first torque-transmitting device is a dry double clutch and the second torque-transmitting device is a dry double brake, wherein the respective torque-transmitting devices are particularly preferably provided on each different axial sides of the gear assembly. As a result, a simple accessibility and a favorable heat dissipation of the respective torque transmission devices in dry construction is possible.
Bei den vorbeschriebenen Ausführungsformen befinden sich die Drehmomentübertragungseinrichtungen jeweils in einem Trockenraum. Wenigstens einer dieser Trockenräume kann wenigstens teilweise auch von einem Nassraum, insbesondere der Getriebestruktur, umschlossen sein. Dieses kann beispielsweise über eine entsprechende Struktur des Getriebegehäuses erfolgen. Entstehende Reibungswärme kann dann direkt über die Gehäuseteile, entsprechend ohne Mehraufwand, in das Getriebehöhe abgeführt werden.In the above-described embodiments, the torque transmitting devices are each in a dry space. At least one of these drying spaces can at least partially be enclosed by a wet space, in particular the gear structure. This can be done for example via a corresponding structure of the transmission housing. Resulting frictional heat can then be dissipated directly via the housing parts, correspondingly without additional effort, in the transmission height.
Bei einer Ausführungsform ohne Zwischenwelle ist es vorgesehen, dass eine der Drehmomentübertragungsvorrichtungen in einem stärker umschlossenen Trockenraum gelegt wird. Diese Drehmomentübertragungsvorrichtung soll dabei mit geringeren Leistungseinträgen belastet werden. Die andere Drehmomentübertragungsvorrichtung, das heißt, diejenige die mit höheren Leistungseinträgen belastet wird, wird dann in den offeneren Trockenraum positioniert. Ein entsprechender höherer Leistungseintrag wird zum Beispiel durch das Anfahren über den Verbrennungsmotor verursacht.In an embodiment without an intermediate shaft, it is provided that one of the torque transmission devices is placed in a more enclosed drying space. This torque transmission device is to be charged with lower power inputs. The other torque transfer device, that is, the one loaded with higher power inputs, is then positioned in the more open dry space. A corresponding higher power input is caused, for example, by the approach via the internal combustion engine.
Sowohl die Bremsvorrichtung, als auch die Kupplungsvorrichtung kann jeweils mit einer Verschleißnachstellvorrichtung kombiniert sein.Both the braking device and the coupling device can each be combined with a wear adjusting device.
Ausführungsformen der Erfindung, auf die diese aber nicht beschränkt ist und aus denen sich weitere erfindungsgemäße Merkmale ergeben können, sind in den folgenden Figuren dargestellt.Embodiments of the invention, to which this is not limited and from which further features of the invention may result, are shown in the following figures.
Es zeigen:
-
1 : einen Antriebsstrang nach dem Stand der Technik, -
2 : einen ersten Aufbau einer Getriebeanordnung gemäß der Erfindung, -
3 : eine alternative Getriebeanordnung mit Zwischenwelle, -
4 + 5: zwei weitere Alternativen einer Getriebeanordnung mit Zwischenwelle, -
6 : eine schematische Darstellung des Raumbedarfs einer Getriebeanordnung ohne Zwischenwelle oder Zwischenzahnrad, -
7 : eine schematische Darstellung des Raumbedarfs mit einer Zwischenwelle, und -
8 : eine schematische Darstellung des Raumbedarfs mit einer versetzten Anordnung der Zwischenwelle.
-
1 : a drive train according to the prior art, -
2 FIG. 1 shows a first construction of a gear arrangement according to the invention, FIG. -
3 an alternative transmission arrangement with intermediate shaft, -
4 + 5: two further alternatives of a transmission arrangement with intermediate shaft, -
6 : a schematic representation of the space requirement of a gear arrangement without intermediate shaft or intermediate gear, -
7 : a schematic representation of the space requirement with an intermediate shaft, and -
8th : A schematic representation of the space requirement with a staggered arrangement of the intermediate shaft.
In
Ein Verbrennungsmotor
Im Gegensatz zum Stand der Technik, wie er in
In dem in
Ein alternativer Aufbau des Antriebsstrangs
Die Zwischenwelle
In
Die jeweils einzelnen Drehmomente des E-Motors 7 oder des nicht hier dargestellten Verbrennungsmotors
In den
Der Drehmomentenausgang
Die Verwendung einer Zwischenwelle
In
In der
Die Rotorachse
Die
Insgesamt zeigen die hier dargestellten Anordnungen, dass eine Bremseinrichtung des trockenen Typs so bereitgestellt werden kann, dass auf eine aktive Kühlung durch eine Bereitstellung der Bremseinrichtung innerhalb des Nassraums
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 11
- Antriebsstrangpowertrain
- 22
- Getriebeanordnungtransmission assembly
- 33
- Bremseinrichtungbraking means
- 44
- Kupplungseinrichtungcoupling device
- 55
- Getriebestrukturtransmission structure
- 66
- Getriebegehäusegearbox
- 77
- E-MotorE-Motor
- 88th
- Verbrennungsmotorinternal combustion engine
- 99
- Abtrieboutput
- 1010
- Nassraumwet room
- 1111
- Zwischenzahnradintermediate gear
- 1212
- Ausgangszahnradoutput gear
- 1313
- Eingangszahnradinput gear
- 1414
- DoppelkupplungDouble coupling
- 1515
- Hohlwellehollow shaft
- 1616
- Belüftungventilation
- 1717
- Drehmomentzufuhrtorque input
- 1818
- Doppelbremsedouble brake
- 1919
- Reibflächenfriction surfaces
- 2020
- Kupplungsdeckelclutch cover
- 2121
- Rotorrotor
- 2222
- Rotorachserotor axis
- 2323
- GetriebeachseDrive shaft
- 2424
- Zwischenwelleintermediate shaft
- 2525
- erstes Zahnradfirst gear
- 2626
- Drehmomentenausgangtorque output
- 2727
- zweites Zahnradsecond gear
- 2828
- Eingangszahnradinput gear
- 2929
- Eingangszahnradinput gear
- 3030
- ZwischenwellenachseIntermediate shaft axis
- 3131
- DrehomomenteneingangDrehomomenteneingang
- 3232
- erste Ebenefirst floor
- 3333
- zweite Ebenesecond level
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102016220983 | 2016-10-25 | ||
DE102016220983.3 | 2016-10-25 |
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DE102017124074A1 true DE102017124074A1 (en) | 2018-04-26 |
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102017124074.8A Withdrawn DE102017124074A1 (en) | 2016-10-25 | 2017-10-17 | Planetary gearbox structure with dry brake application |
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DE (1) | DE102017124074A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017203542A1 (en) | 2017-03-03 | 2018-09-06 | Audi Ag | Transmission for a motor vehicle and motor vehicle |
DE102021105000A1 (en) | 2020-03-17 | 2021-09-23 | Schaeffler Technologies AG & Co. KG | Hybrid transmission with axially short brake-clutch combination; as well as powertrain |
-
2017
- 2017-10-17 DE DE102017124074.8A patent/DE102017124074A1/en not_active Withdrawn
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017203542A1 (en) | 2017-03-03 | 2018-09-06 | Audi Ag | Transmission for a motor vehicle and motor vehicle |
DE102021105000A1 (en) | 2020-03-17 | 2021-09-23 | Schaeffler Technologies AG & Co. KG | Hybrid transmission with axially short brake-clutch combination; as well as powertrain |
WO2021185402A1 (en) | 2020-03-17 | 2021-09-23 | Schaeffler Technologies AG & Co. KG | Hybrid transmission with axially short brake-clutch combination; and drive train |
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