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WO2010127655A1 - Dual clutch comprising a torsional vibration damper - Google Patents

Dual clutch comprising a torsional vibration damper Download PDF

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Publication number
WO2010127655A1
WO2010127655A1 PCT/DE2010/000438 DE2010000438W WO2010127655A1 WO 2010127655 A1 WO2010127655 A1 WO 2010127655A1 DE 2010000438 W DE2010000438 W DE 2010000438W WO 2010127655 A1 WO2010127655 A1 WO 2010127655A1
Authority
WO
WIPO (PCT)
Prior art keywords
clutch
dual
wet
electric motor
input side
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.)
Ceased
Application number
PCT/DE2010/000438
Other languages
German (de)
French (fr)
Inventor
Johannes Arnold
Dirk Hofstetter
Ivo Agner
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.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
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 Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Priority to DE112010001920T priority Critical patent/DE112010001920A5/en
Priority to CN201080018190.XA priority patent/CN102414040B/en
Priority to JP2012508895A priority patent/JP5661743B2/en
Publication of WO2010127655A1 publication Critical patent/WO2010127655A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • 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 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 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 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
    • 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 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 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 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/06—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
    • F16D25/062—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces
    • F16D25/063—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially
    • F16D25/0635—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs
    • F16D25/0638—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/10—Clutch systems with a plurality of fluid-actuated clutches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/12—Details not specific to one of the before-mentioned types
    • F16D25/123—Details not specific to one of the before-mentioned types in view of cooling and lubrication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D21/00—Systems comprising a plurality of actuated clutches
    • F16D21/02—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways
    • F16D21/06—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways at least two driving shafts or two driven shafts being concentric
    • F16D2021/0661—Hydraulically actuated multiple lamellae clutches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D21/00—Systems comprising a plurality of actuated clutches
    • F16D21/02—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways
    • F16D21/06—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways at least two driving shafts or two driven shafts being concentric
    • F16D2021/0692—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways at least two driving shafts or two driven shafts being concentric with two clutches arranged axially without radial overlap

Definitions

  • the invention relates to a dual clutch with two arranged in a wet room wet clutches and a torsional vibration damper.
  • Double clutches for motor vehicles are known.
  • These can be designed as double clutches with two radially superimposed nested or axially successively arranged wet clutches, which are in a closed wet space, which is filled with a fluid such as hydraulic oil or the like operated.
  • torsional vibration dampers for vibration damping of torsional vibrations which are introduced into the drive train in particular by internal combustion engines, such as high-torque diesel engines, can be provided in the wet chamber.
  • the torsional vibration damper such as dual mass flywheels must be larger dimensioned with increasing uneven running of the engine, whereby the axial space of the double clutch by the axially adjacent to the wet clutches arranged torsional vibration damper increases.
  • the e-machine is located in the dry room and is separated from the coupling space by a cover.
  • the coupling space is then called a wet room.
  • the rotor can be bolted directly to the input side of the double clutch or riveted or welded.
  • the ZMS can be integrated into the wet room.
  • stator of the electric motor is connected to the transmission housing.
  • centrifugal pendulum can be integrated into the wet room.
  • the FKP can be connected to the primary mass of the coupling.
  • Figure 1 an embodiment of the present dual-clutch transmission, in which the E machine is arranged in the drying room and connected via a flange to the input side of the clutch, wherein the ZMS and the FKP are arranged in the wet room and in which an output flange of the ZMS from the outside between the clutches engages (“T-arrangement”) and transmits the torque to the outer plate carrier as the input side of the clutch;
  • Figure 2 an embodiment of the present dual-clutch transmission, in which the E-machine is arranged in the drying room and connected via a flange to the input side of the clutch, wherein the ZMS and the FKP are arranged in the wet room and in which an output flange of the ZMS radially extends inwardly and is connected to an inner guide sleeve, wherein the inner guide sleeve carries an inner plate carrier as the input side of the clutch, and wherein the clutch is axially floating biased;
  • Figure 3 shows an embodiment of the present dual-clutch transmission, wherein the E machine is arranged in the drying room and connected via a flange to the input side of the clutch, wherein the ZMS and the FKP are arranged in the wet room and in which an output flange of the ZMS laterally extends and is connected to the inner guide sleeve, wherein the inner guide sleeve carries an inner disc carrier as the input side of the clutch, and wherein the coupling is axially floating biased;
  • FIG. 4 shows a further exemplary embodiment of the present twin-clutch transmission, in which the electric motor is arranged in the dry space and is connected via a flange to the input gear. side of the coupling, wherein the ZMS and the FKP are arranged in the wet room and in which an output flange of the ZMS extends laterally and is connected to the inner guide sleeve, wherein the inner guide sleeve carries an inner plate carrier as the input side of the clutch, and wherein the inner guide sleeve is mounted on the outer input shaft of the dual-clutch transmission;
  • FIG. 1 shows a part of a drive train of a vehicle, in which the drive torque, in particular an internal combustion engine or another drive, is transmitted via a screw connection and / or riveting 4 to a connection part 3.
  • a rotor of the electric motor 12 is also attached via a flange 2 to the connecting part 3, wherein according to the embodiment shown, both flange 1 and flange 2 are connected via common rivets 4 and / or fittings.
  • flange 1 and 2 flange remaining free space can be arranged coming from a differential transverse shaft.
  • the connecting part 3 also serves for the drive-side mounting one of the transmission input shafts of the dual-clutch transmission and at the same time forms a hub of the input side 5 of the double clutch (consisting of the hub 3 and the cup-shaped cover 5).
  • the connecting part 3 is also mounted on the lid 6, wherein the lid 6 separates the drying room A from the wet room B.
  • the DMF is arranged in the wet space B, wherein the cup-shaped cover 5 forms the input side of the DMF and transmits the torque to the spring assemblies 7.
  • the output side 8 of the DMF extends radially inward, between two cup-shaped outer disk carrier 9 and 10, which respectively form the input side of the wet clutches.
  • a common outer disk carrier 9 + 10 could be provided, to which the output side 8 of the ZMS transmits the torque.
  • the torque is transmitted to the inner disk carrier 11 and 12 with appropriate actuation of the individual clutches.
  • the operation of the drive-side wet clutch via the piston 17, the cup-like member 18 and the centrifugal oil chamber 19 The cup-like member 18 passes through the blades of the transmission-side clutch and the output side 8 of the DMF.
  • At least the centrifugal oil chamber 19 is formed in two parts, so that a continuous cooling oil flow is ensured.
  • the centrifugal pendulum (FKP) 20 is also arranged in the wet room and connected via the component 21 with the primary mass 22 of the coupling.
  • the primary mass of the clutch is supported by needle bearings on the outer transmission input shaft 14.
  • Figure 2 shows an embodiment of the present dual-clutch transmission, in which the electric motor is arranged in the drying room and connected via a flange to the input side of the clutch, in which the DMF and the FKP are arranged in the wet room and in which an output flange 24 of the ZMS itself extends radially inwardly and is connected to an inner guide sleeve 25 via the component 26, wherein the inner guide sleeve 25 carries a one-piece or multi-part inner plate carrier 27 as the input side of the clutch, and wherein the clutch is axially floating biased by the spring 28.
  • the FKP is arranged on the component 26. Radially within the guide sleeve 25, the hydraulic fluid supply 29 is arranged.
  • Figure 3 shows an embodiment of the present dual-clutch transmission, wherein the electric motor is arranged in the drying room and connected via a flange to the input side of the clutch, in which the DMF and the FKP are arranged in the wet room and in which an output flange 30 of the ZMS itself extending laterally and is connected to the inner guide sleeve 25 via the component 31, wherein the inner guide sleeve 25 carries the one-piece or multi-part inner plate carrier as the input side of the clutch, and wherein the clutch is axially floating biased by the spring 28;
  • Figure 4 shows another embodiment of the present dual-clutch transmission which is similar to that of Figure 3, in which the electric motor is arranged in the drying room and connected via a flange to the input side of the clutch, in which the DMF and the FKP are arranged in the wet room and wherein an output flange of the DMF extends laterally and is connected to the inner guide sleeve, wherein the inner guide sleeve
  • the present invention integrates an electric motor and an axially nested double wet clutch into a predefined clutch installation space (in particular radially small and axially longer installation spaces).
  • the components are arranged so that the electric motor is located in the dry room while the clutch, including the components required for vibration isolation, such as bow spring dampers and centrifugal pendulum pendulum, are arranged in the wet room.
  • the present double clutch is especially designed for dual-clutch transmissions with wet clutches arranged axially one behind the other.
  • the present double clutch can be used in particular in the torque class ⁇ 400 Nm.
  • the present double clutch can u. a. also be used in hybrid vehicles.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Arrangement Of Transmissions (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

The invention relates to a dual clutch transmission comprising a wet dual clutch, a dual mass fly wheel (ZMS) and an electric motor (12). A rotor of the electric motor is securely connected to an input side (5) of the dual clutch.

Description

Doppelkupplung mit Drehschwingungsdämpfer Double clutch with torsional vibration damper

Die Erfindung betrifft eine Doppelkupplung mit zwei in einem Nassraum angeordneten Nasskupplungen und einem Drehschwingungsdämpfer.The invention relates to a dual clutch with two arranged in a wet room wet clutches and a torsional vibration damper.

Doppelkupplungen für Kraftfahrzeuge sind bekannt.Double clutches for motor vehicles are known.

Diese können als Doppelkupplungen mit zwei radial übereinander geschachtelten oder axial hintereinander angeordneten Nasskupplungen ausgestaltet sein, die in einem geschlossenen Nassraum, der mit einem Fluid wie Hydrauliköl oder dergleichen befüllt ist, betrieben werden.These can be designed as double clutches with two radially superimposed nested or axially successively arranged wet clutches, which are in a closed wet space, which is filled with a fluid such as hydraulic oil or the like operated.

Weiterhin können in dem Nassraum Drehschwingungsdämpfer zur Schwingungsdämpfung von Torsionsschwingungen, die insbesondere durch Brennkraftmaschinen wie drehmomentstarken Dieselmotoren in den Antriebsstrang eingeleitet werden, vorgesehen werden. Dabei müssen mit steigender Laufunruhe der Brennkraftmaschine die Drehschwingungsdämpfer wie beispielsweise Zweimassenschwungräder stärker dimensioniert werden, wodurch der axiale Bauraum der Doppelkupplung durch den axial benachbart zu den Nasskupplungen angeordneten Drehschwingungsdämpfer steigt.Furthermore, torsional vibration dampers for vibration damping of torsional vibrations, which are introduced into the drive train in particular by internal combustion engines, such as high-torque diesel engines, can be provided in the wet chamber. In this case, the torsional vibration damper such as dual mass flywheels must be larger dimensioned with increasing uneven running of the engine, whereby the axial space of the double clutch by the axially adjacent to the wet clutches arranged torsional vibration damper increases.

Es ist daher eine Aufgabe der vorliegenden Erfindung ein solches Doppelkupplungsgetriebe mit integrierter E-Maschine anzugeben.It is therefore an object of the present invention to provide such a dual-clutch transmission with integrated electric motor.

Diese Aufgabe wird erfindungsgemäß gelöst durch ein Doppelkupplungsgetriebe mit nasser Doppelkupplung, Zweimassenschwungrad (ZMS) und E-Maschine, wobei ein Rotor der E- Maschine fest mit einer Eingangsseite der Doppelkupplung verbunden ist.This object is achieved by a dual-clutch transmission with wet dual clutch, dual mass flywheel (DMF) and electric motor, with a rotor of the electric motor is firmly connected to an input side of the dual clutch.

Zwischen Doppelnasskupplung und Verbrennungsmotor wird also ein Elektromotor geschaltet. Dadurch besteht die Möglichkeit über die E-Maschine Start-Stopp-Funktionalitäten zu realisieren, zu Boosten und zu Rekuperieren. Die E-Maschine befindet sich dabei im Trockenraum und ist über einen Deckel vom Kupplungsraum getrennt. Der Kupplungsraum wird dann als Nassraum bezeichnet.Between double wet clutch and internal combustion engine so an electric motor is switched. This makes it possible to realize start-stop functionality, boost and recuperation via the electric motor. The e-machine is located in the dry room and is separated from the coupling space by a cover. The coupling space is then called a wet room.

Dabei kann der Rotor unmittelbar mit der Eingangsseite der Doppelkupplung verschraubt oder vernietet oder verschweißt werden. Das ZMS kann in den Nassraum integriert sein.In this case, the rotor can be bolted directly to the input side of the double clutch or riveted or welded. The ZMS can be integrated into the wet room.

Insbesondere ist der Stator der E-Maschine mit dem Getriebegehäuse verbunden.In particular, the stator of the electric motor is connected to the transmission housing.

Zudem kann das Fliehkraftpendel in den Nassraum integriert sein. Insbesondere kann dabei das FKP an die Primärmasse der Kupplung angebunden sein.In addition, the centrifugal pendulum can be integrated into the wet room. In particular, the FKP can be connected to the primary mass of the coupling.

Die vorliegende Erfindung wird nachfolgend anhand bevorzugter Ausführungsbeispiele in Verbindung mit den zugehörigen Figuren näher erläutert. In diesen zeigen:The present invention will be explained in more detail below with reference to preferred embodiments in conjunction with the accompanying figures. In these show:

Figur 1: ein Ausführungsbeispiel des vorliegenden Doppelkupplungsgetriebes, bei dem die E- Maschine im Trockenraum angeordnet und über einen Flansch mit der Eingangsseite der Kupplung verbunden ist, bei dem das ZMS und das FKP im Nassraum angeordnet sind und bei dem ein Ausgangsflansch des ZMS von außen zwischen die Kupplungen greift („T- Anordnung") und das Drehmoment an den äußeren Lamellenträger als Eingangsseite der Kupplung überträgt;Figure 1: an embodiment of the present dual-clutch transmission, in which the E machine is arranged in the drying room and connected via a flange to the input side of the clutch, wherein the ZMS and the FKP are arranged in the wet room and in which an output flange of the ZMS from the outside between the clutches engages ("T-arrangement") and transmits the torque to the outer plate carrier as the input side of the clutch;

Figur 2: ein Ausführungsbeispiel des vorliegenden Doppelkupplungsgetriebes, bei dem die E- Maschine im Trockenraum angeordnet und über einen Flansch mit der Eingangsseite der Kupplung verbunden ist, bei dem das ZMS und das FKP im Nassraum angeordnet sind und bei dem ein Ausgangsflansch des ZMS sich radial nach innen erstreckt und mit einer innenliegenden Führungshülse verbunden ist, wobei die innenliegende Führungshülse einen inneren Lamellenträger als Eingangsseite der Kupplung trägt, und wobei die Kupplung axial schwimmend mit Vorspannung gelagert ist;Figure 2: an embodiment of the present dual-clutch transmission, in which the E-machine is arranged in the drying room and connected via a flange to the input side of the clutch, wherein the ZMS and the FKP are arranged in the wet room and in which an output flange of the ZMS radially extends inwardly and is connected to an inner guide sleeve, wherein the inner guide sleeve carries an inner plate carrier as the input side of the clutch, and wherein the clutch is axially floating biased;

Figur 3: ein Ausführungsbeispiel des vorliegenden Doppelkupplungsgetriebes, bei dem die E- Maschine im Trockenraum angeordnet und über einen Flansch mit der Eingangsseite der Kupplung verbunden ist, bei dem das ZMS und das FKP im Nassraum angeordnet sind und bei dem ein Ausgangsflansch des ZMS sich seitlich erstreckt und mit der innenliegenden Führungshülse verbunden ist, wobei die innenliegende Führungshülse einen inneren Lamellen- träger als Eingangsseite der Kupplung trägt, und wobei die Kupplung axial schwimmend mit Vorspannung gelagert ist;Figure 3 shows an embodiment of the present dual-clutch transmission, wherein the E machine is arranged in the drying room and connected via a flange to the input side of the clutch, wherein the ZMS and the FKP are arranged in the wet room and in which an output flange of the ZMS laterally extends and is connected to the inner guide sleeve, wherein the inner guide sleeve carries an inner disc carrier as the input side of the clutch, and wherein the coupling is axially floating biased;

Figur 4: ein weiteres Ausführungsbeispiel des vorliegenden Doppelkupplungsgetriebes, bei dem die E-Maschine im Trockenraum angeordnet und über einen Flansch mit der Eingangs- seite der Kupplung verbunden ist, bei dem das ZMS und das FKP im Nassraum angeordnet sind und bei dem ein Ausgangsflansch des ZMS sich seitlich erstreckt und mit der innenliegenden Führungshülse verbunden ist, wobei die innenliegende Führungshülse einen inneren Lamellenträger als Eingangsseite der Kupplung trägt, und wobei die innenliegende Führungshülse auf der äußeren Eingangswelle des Doppelkupplungsgetriebes gelagert ist;FIG. 4 shows a further exemplary embodiment of the present twin-clutch transmission, in which the electric motor is arranged in the dry space and is connected via a flange to the input gear. side of the coupling, wherein the ZMS and the FKP are arranged in the wet room and in which an output flange of the ZMS extends laterally and is connected to the inner guide sleeve, wherein the inner guide sleeve carries an inner plate carrier as the input side of the clutch, and wherein the inner guide sleeve is mounted on the outer input shaft of the dual-clutch transmission;

In Figur 1 ist ein Teil eines Antriebstranges eines Fahrzeuges gezeigt, bei dem das Antriebsmoment insbesondere eine Verbrennungsmotors oder eines anderes Antriebes über eine Verschraubung und/oder Vernietung 4 an ein Verbindungsteil 3 übertragen wird. Ein Rotor des E-Motors 12 ist über einen Flansch 2 ebenfalls am Verbindungsteil 3 befestigt, wobei gemäß dem gezeigten Ausführungsbeispiel sowohl Flansch 1 als auch Flansch 2 über gemeinsame Vernietungen 4 und/ oder Verschraubungen verbunden sind. In dem zwischen Flansch 1 und Flansch 2 freibleibenden Bauraum kann eine von einem Differenzial kommende Querwelle angeordnet sein.FIG. 1 shows a part of a drive train of a vehicle, in which the drive torque, in particular an internal combustion engine or another drive, is transmitted via a screw connection and / or riveting 4 to a connection part 3. A rotor of the electric motor 12 is also attached via a flange 2 to the connecting part 3, wherein according to the embodiment shown, both flange 1 and flange 2 are connected via common rivets 4 and / or fittings. In the between flange 1 and 2 flange remaining free space can be arranged coming from a differential transverse shaft.

Das Verbindungsteil 3 dient zudem zur antriebsseitigen Lagerung einer der Getriebeeingangswellen des Doppelkupplungsgetriebes und bildet zugleich eine Nabe der Eingangsseite 5 der Doppelkupplung (bestehend aus der Nabe 3 und dem topfförmigen Deckel 5).The connecting part 3 also serves for the drive-side mounting one of the transmission input shafts of the dual-clutch transmission and at the same time forms a hub of the input side 5 of the double clutch (consisting of the hub 3 and the cup-shaped cover 5).

Das Verbindungsteil 3 ist zudem über den Deckel 6 gelagert, wobei der Deckel 6 den Trockenraum A vom Nassraum B trennt.The connecting part 3 is also mounted on the lid 6, wherein the lid 6 separates the drying room A from the wet room B.

Das ZMS ist im Nassraum B angeordnet, wobei der topfförmige Deckel 5 die Eingangsseite des ZMS bildet und das Drehmoment an die Federpakete 7 überträgt.The DMF is arranged in the wet space B, wherein the cup-shaped cover 5 forms the input side of the DMF and transmits the torque to the spring assemblies 7.

Die Ausgangsseite 8 des ZMS erstreckt sich radial nach innen, zwischen zwei topfförmige Außenlamellenträger 9 und 10, welche jeweils die Eingangsseite der Nasskupplungen bilden. Alternativ könnte auch ein gemeinsamer Außenlamellenträger 9 + 10 vorgesehen sein, an den die Ausgangsseite 8 des ZMS das Drehmoment überträgt.The output side 8 of the DMF extends radially inward, between two cup-shaped outer disk carrier 9 and 10, which respectively form the input side of the wet clutches. Alternatively, a common outer disk carrier 9 + 10 could be provided, to which the output side 8 of the ZMS transmits the torque.

Von dem bzw. den Außenlamellenträgern 9 und 10 wird das Drehmoment bei entsprechender Betätigung der einzelnen Kupplungen an die Innenlamellenträger 11 und 12 übertragen.Of the or the outer disk carriers 9 and 10, the torque is transmitted to the inner disk carrier 11 and 12 with appropriate actuation of the individual clutches.

Von den Innenlamellenträgern 11 , 12 wird das Drehmoment an die jeweiligen Eingangswellen des Doppelkupplungsgetriebes 13 und 14 übertragen. - A -Of the inner disk carriers 11, 12, the torque is transmitted to the respective input shafts of the dual clutch transmission 13 and 14. - A -

Die Betätigung der getriebeseitigen Nasskupplung erfolgt über den Kolben 15 und die Fliehölkammer 16.The operation of the transmission-side wet clutch via the piston 15 and the centrifugal oil chamber 16th

Die Betätigung der antriebsseitigen Nasskupplung erfolgt über den Kolben 17, das topfartige Bauteil 18 und die Fliehölkammer 19. Das topfartige Bauteil 18 durchgreift dabei die Lamellen der getriebeseitigen Kupplung und die Ausgangsseite 8 des ZMS.The operation of the drive-side wet clutch via the piston 17, the cup-like member 18 and the centrifugal oil chamber 19. The cup-like member 18 passes through the blades of the transmission-side clutch and the output side 8 of the DMF.

Zumindest die Fliehölkammer 19 ist zweiteilig ausgebildet, so dass ein kontinuierlicher Kühlölfluß gewährleistet ist.At least the centrifugal oil chamber 19 is formed in two parts, so that a continuous cooling oil flow is ensured.

Das Fliehkraftpendel (FKP) 20 ist ebenfalls im Nassraum angeordnet und über das Bauteil 21 mit der Primärmasse 22 der Kupplung verbunden. Die Primärmasse der Kupplung ist über Nadellager an der äußeren Getriebeeingangswelle 14 abgestützt.The centrifugal pendulum (FKP) 20 is also arranged in the wet room and connected via the component 21 with the primary mass 22 of the coupling. The primary mass of the clutch is supported by needle bearings on the outer transmission input shaft 14.

Über den Verzahnungsring 23 erfolgt ein Antrieb einer Pumpe.About the toothed ring 23 is a drive of a pump.

Figur 2 zeigt ein Ausführungsbeispiel des vorliegenden Doppelkupplungsgetriebes, bei dem die E-Maschine im Trockenraum angeordnet und über einen Flansch mit der Eingangsseite der Kupplung verbunden ist, bei dem das ZMS und das FKP im Nassraum angeordnet sind und bei dem ein Ausgangsflansch 24 des ZMS sich radial nach innen erstreckt und mit einer innenliegenden Führungshülse 25 über das Bauteil 26 verbunden ist, wobei die innenliegende Führungshülse 25 einen einteiligen oder mehrteiligen inneren Lamellenträger 27 als Eingangsseite der Kupplung trägt, und wobei die Kupplung axial schwimmend mit Vorspannung über die Feder 28 gelagert ist. Das FKP ist am Bauteil 26 angeordnet. Radial innerhalb der Führungshülse 25 ist die Hydraulikflüssigkeitsversorgung 29 angeordnet.Figure 2 shows an embodiment of the present dual-clutch transmission, in which the electric motor is arranged in the drying room and connected via a flange to the input side of the clutch, in which the DMF and the FKP are arranged in the wet room and in which an output flange 24 of the ZMS itself extends radially inwardly and is connected to an inner guide sleeve 25 via the component 26, wherein the inner guide sleeve 25 carries a one-piece or multi-part inner plate carrier 27 as the input side of the clutch, and wherein the clutch is axially floating biased by the spring 28. The FKP is arranged on the component 26. Radially within the guide sleeve 25, the hydraulic fluid supply 29 is arranged.

Figur 3 zeigt ein Ausführungsbeispiel des vorliegenden Doppelkupplungsgetriebes, bei dem die E-Maschine im Trockenraum angeordnet und über einen Flansch mit der Eingangsseite der Kupplung verbunden ist, bei dem das ZMS und das FKP im Nassraum angeordnet sind und bei dem ein Ausgangsflansch 30 des ZMS sich seitlich erstreckt und mit der innenliegenden Führungshülse 25 über das Bauteil 31 verbunden ist, wobei die innenliegende Führungshülse 25 den einteiligen oder mehrteiligen inneren Lamellenträger als Eingangsseite der Kupplung trägt, und wobei die Kupplung axial schwimmend mit Vorspannung über die Feder 28 gelagert ist; Figur 4 zeigt ein weiteres Ausführungsbeispiel des vorliegenden Doppelkupplungsgetriebes das dem nach Figur 3 ähnlich ist, bei dem die E-Maschine im Trockenraum angeordnet und über einen Flansch mit der Eingangsseite der Kupplung verbunden ist, bei dem das ZMS und das FKP im Nassraum angeordnet sind und bei dem ein Ausgangsflansch des ZMS sich seitlich erstreckt und mit der innenliegenden Führungshülse verbunden ist, wobei die innenliegende Führungshülse einen inneren Lamellenträger als Eingangsseite der Kupplung trägt, und wobei die innenliegende Führungshülse auf der äußeren Eingangswelle des Doppelkupplungsgetriebes gelagert ist;Figure 3 shows an embodiment of the present dual-clutch transmission, wherein the electric motor is arranged in the drying room and connected via a flange to the input side of the clutch, in which the DMF and the FKP are arranged in the wet room and in which an output flange 30 of the ZMS itself extending laterally and is connected to the inner guide sleeve 25 via the component 31, wherein the inner guide sleeve 25 carries the one-piece or multi-part inner plate carrier as the input side of the clutch, and wherein the clutch is axially floating biased by the spring 28; Figure 4 shows another embodiment of the present dual-clutch transmission which is similar to that of Figure 3, in which the electric motor is arranged in the drying room and connected via a flange to the input side of the clutch, in which the DMF and the FKP are arranged in the wet room and wherein an output flange of the DMF extends laterally and is connected to the inner guide sleeve, wherein the inner guide sleeve carries an inner plate carrier as the input side of the clutch, and wherein the inner guide sleeve is mounted on the outer input shaft of the dual clutch transmission;

Die vorliegende Erfindung integriert eine E-Maschine und eine axial geschachtelte Doppelnasskupplung in einen vordefinierten Kupplungsbauraum (insbesondere radial kleine und axial längergestreckte Bauräume).The present invention integrates an electric motor and an axially nested double wet clutch into a predefined clutch installation space (in particular radially small and axially longer installation spaces).

Die Komponenten sind so angeordnet, dass sich die E-Maschine im Trockenraum befindet während die Kupplung inklusive der für die Schwingungsisolation benötigten Komponenten wie Bogenfederdämpfer und Fliehkraftpendel im Nassraum angeordnet sind.The components are arranged so that the electric motor is located in the dry room while the clutch, including the components required for vibration isolation, such as bow spring dampers and centrifugal pendulum pendulum, are arranged in the wet room.

Die vorliegende Doppelkupplung ist insbesondere für Doppelkupplungsgetriebe mit Nasskupplungen, die axial hintereinander angeordnet sind, konzeptioniert.The present double clutch is especially designed for dual-clutch transmissions with wet clutches arranged axially one behind the other.

Die vorliegende Doppelkupplung kann insbesondere in der Drehmomentklasse <400Nm zum Einsatz kommen.The present double clutch can be used in particular in the torque class <400 Nm.

Die vorliegende Doppelkupplung kann u. a. auch in Hybridfahrzeugen zum Einsatz kommen. The present double clutch can u. a. also be used in hybrid vehicles.

Claims

Patentansprüche claims 1. Doppelkupplungsgetriebe mit nasser Doppelkupplung, Zweimassenschwungrad (ZMS) und E-Maschine, wobei ein Rotor der E-Maschine fest mit einer Eingangsseite der Doppelkupplung verbunden ist.1. Dual-clutch transmission with wet dual clutch, dual-mass flywheel (DMF) and electric motor, with one rotor of the electric motor firmly connected to one input side of the dual clutch. 2. Doppelkupplungsgetriebe nach Anspruch 1 , wobei die E-Maschine im Trockenraum angeordnet und über einen Deckel vom Kupplungsraum getrennt ist.2. dual-clutch transmission according to claim 1, wherein the electric motor is arranged in the drying room and separated via a cover from the coupling space. 3. Doppelkupplungsgetriebe nach Anspruch 1 oder 2, wobei der Rotor unmittelbar mit der Eingangsseite der Doppelkupplung verschraubt oder vernietet oder verschweißt ist.3. dual-clutch transmission according to claim 1 or 2, wherein the rotor is bolted directly to the input side of the double clutch or riveted or welded. 4. Doppelkupplungsgetriebe nach einem der Ansprüche 1 bis 3, wobei das ZMS in den Nassraum integriert ist.4. dual-clutch transmission according to one of claims 1 to 3, wherein the ZMS is integrated into the wet room. 5. Doppelkupplungsgetriebe nach einem der Ansprüche 1 bis 4, wobei der Stator der E- Maschine mit dem Getriebegehäuse verbunden ist.5. dual-clutch transmission according to one of claims 1 to 4, wherein the stator of the electric motor is connected to the transmission housing. 6. Doppelkupplungsgetriebe nach einem der Ansprüche 1 bis 5, wobei das Fliehkraftpendel in den Nassraum integriert, insbesondere an die Primärmasse der Kupplung angebunden, ist. 6. dual-clutch transmission according to one of claims 1 to 5, wherein the centrifugal pendulum integrated in the wet room, in particular connected to the primary mass of the clutch is.
PCT/DE2010/000438 2009-05-06 2010-04-19 Dual clutch comprising a torsional vibration damper Ceased WO2010127655A1 (en)

Priority Applications (3)

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DE112010001920T DE112010001920A5 (en) 2009-05-06 2010-04-19 Double clutch with rotary damping damper
CN201080018190.XA CN102414040B (en) 2009-05-06 2010-04-19 Dual clutch with torsional vibration damper
JP2012508895A JP5661743B2 (en) 2009-05-06 2010-04-19 Twin clutch with torsional vibration damper

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DE102009019874.1 2009-05-06
DE102009019874 2009-05-06

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CN (1) CN102414040B (en)
DE (2) DE102010015431A1 (en)
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DE112010001920A5 (en) 2012-05-31
JP2012526243A (en) 2012-10-25
DE102010015431A1 (en) 2010-11-11
CN102414040B (en) 2015-06-17
CN102414040A (en) 2012-04-11

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