WO2020094465A1 - Agencement à double embrayage pour une chaîne cinématique de véhicule à moteur - Google Patents

Agencement à double embrayage pour une chaîne cinématique de véhicule à moteur Download PDF

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Publication number
WO2020094465A1
WO2020094465A1 PCT/EP2019/079513 EP2019079513W WO2020094465A1 WO 2020094465 A1 WO2020094465 A1 WO 2020094465A1 EP 2019079513 W EP2019079513 W EP 2019079513W WO 2020094465 A1 WO2020094465 A1 WO 2020094465A1
Authority
WO
WIPO (PCT)
Prior art keywords
output
support member
input
carrier
plates
Prior art date
Application number
PCT/EP2019/079513
Other languages
German (de)
English (en)
Inventor
Günter Rühle
Hansi Gremplini
Cedric Nuffer
Original Assignee
Magna Pt B.V. & 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 Magna Pt B.V. & Co. Kg filed Critical Magna Pt B.V. & Co. Kg
Publication of WO2020094465A1 publication Critical patent/WO2020094465A1/fr

Links

Classifications

    • 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
    • F16D13/00—Friction clutches
    • F16D13/58—Details
    • F16D13/70—Pressure members, e.g. pressure plates, for clutch-plates or lamellae; Guiding arrangements for pressure members
    • 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
    • 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
    • F16D2021/0607—Double clutch with torque input plate in-between the two clutches, i.e. having a central input plate
    • 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
    • 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
    • F16D2300/00—Special features for couplings or clutches
    • F16D2300/14—Clutches which are normally open, i.e. not engaged in released state
    • 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
    • F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
    • F16D25/082—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation

Definitions

  • the present invention relates to a dual clutch arrangement for a motor vehicle drive train comprising an input disk carrier, a first output disk carrier and a second output disk carrier, the first output disk carrier and the second output disk carrier being arranged next to one another in the axial direction, the input disk carrier having a plurality of first input disks and a plurality of a second input plate is connected in a rotationally fixed manner, the first output plate carrier being connected in a rotationally fixed manner to a plurality of first output plates and the second output plate carrier being connected in a rotationally fixed manner to a plurality of second output plates, the first input plates and the first output plates forming a first plate set and the second Input lamellae and the second output lamellae form a second disk set, with a first support member on the input lamella support for abt estimation of the first plate pack is arranged axially fixed and axially membered from the first jacking spaced a second support member for supporting the second disk is arranged axially fixed package.
  • Such a clutch arrangement is already known, for example, from document DE 10 2009 047 953 A1. Furthermore, coupling arrangements of the type described above are known from the documents EP 2 572 1 18 B1, WO 201 1/019532 A2.
  • DE 1 160 697 B discloses a resilient support of the friction disks of multi-plate clutch clutches in which the thrust washer, which can be displaced axially to a limited extent on the inner disk carrier, directly engages with a snap ring inserted into a groove of the inner disk carrier with its side facing away from the disks . It is provided that the snap ring, which forms a resilient, tension-free abutment on the inner disk carrier, is tiltably seated in a widened groove.
  • a double clutch arrangement for a motor vehicle drive train comprising an input disk carrier, a first output disk carrier and a second output disk carrier, the first output disk carrier and the second output disk carrier being arranged next to one another in the axial direction, the input disk carrier having a plurality of first input disks and a plurality of second input slats is connected in a rotationally fixed manner, the first output plate carrier being connected in a rotationally fixed manner to a plurality of first output plates and the second output plate carrier being connected in a rotationally fixed manner with a plurality of second output plates, the first input plates and the first output plates forming a first plate set and the second input lamellae and the second output lamellae form a second disk set, with on the input disk carrier has a first support member for supporting the first disk set axially fixed and axially spaced axially from the first support member a second support member for supporting the second disk pack is arranged axially fixed, both the first support member and the second support member being substantially L-
  • the double clutch arrangement according to the invention accordingly comprises two La friction clutches, each with a disk pack, which are designed in particular as wet-running disk clutches.
  • the multi-plate clutches are arranged side by side in the axial direction, in particular parallel to one another.
  • the first support member and the second support member are axially fixed to the input lamella carrier, i.e. they are fixed to the input disk carrier, namely axially fixed and non-rotatable.
  • the first support member and the second support member each have two legs, one leg extending in the radial direction and thus forming a radial part of the respective support member and the respective further leg extending in the axial direction and thus an axial one Forms part of the respective support member.
  • the “axial” direction describes a direction along or parallel to a longitudinal axis of a motor vehicle drive train.
  • the “radial” direction here describes a direction normal to the longitudinal axis of a motor vehicle drive train.
  • the inventive design of the two support members in particular increases the rigidity of this, which contributes to reliable operation of the dual clutch arrangement with low response times.
  • the axial part of the first support member and the axial part of the second support member are preferably arranged to overlap in the axial direction.
  • the term “arranged overlapping” is to be understood in particular to mean that the axial part of the first support member at least partially covers the axial part of the second support member in the axial direction, or vice versa. Due to the overlapping arrangement of the first support member and the second support member, it is possible to represent a particularly compact double clutch arrangement.
  • the axial part of the first support member and the axial part of the second support member are preferably radially decoupled from one another so that an air gap is formed between the two parts.
  • the first support member and the second support member are preferably axially decoupled from one another via a decoupling device.
  • the decoupling device can be understood as a transmission prevention device which prevents or suppresses transmission of actuation of a plate pack to the other plate pack.
  • the input disk carrier is preferably designed as an outer disk carrier and the first output disk carrier and the second output disk carrier are each designed as an inner disk carrier.
  • Fig. Shows a schematic representation of a motor vehicle drivetrain with a double clutch arrangement.
  • FIG. 1 A motor vehicle drive train 2 is schematically shown with a double clutch arrangement 1 according to the invention.
  • first side 35 of the first plate set 10 always refers to a left side of the respective disk set 10, 11 and a “second page 26, 26'” always refers to a right side of the respective disk set 10, 1 1 .
  • the motor vehicle drive train 2 has a drive motor 17, which can be formed, for example, by an internal combustion engine, a hybrid drive unit or another drive unit commonly used.
  • the motor vehicle drive train 2 is aligned along a longitudinal axis 18.
  • the double clutch arrangement 1 of the motor vehicle drive train 2 is connected on the gear side to the drive motor 17.
  • An input member 19 of the Double clutch arrangement 1 is designed to be connected to a drive shaft 20 of the drive motor 17, the drive shaft 20 being a crankshaft, for example.
  • the drive shaft 20 may also include a rotary vibration damper, which is arranged between the input member 20 of the double clutch arrangement 1 and the drive motor 17.
  • the double clutch arrangement 1 is connected to a transmission arrangement 21, which is designed to set up a plurality of gear stages.
  • the transmission arrangement 21 is in particular formed by two partial transmissions, one of which is assigned, for example, even forward gear stages and the other, for example, odd forward gear stages is.
  • the Doppelkupp treatment arrangement 1 and the gear arrangement 21 form such a Doppelkupp tion gear.
  • An output of the gear arrangement 21 is connected to a differential gear 22, which is designed to distribute drive power to driven wheels 23, 23 'of the motor vehicle drive train 2.
  • the double clutch arrangement 1 further comprises a housing 24, a first output member 25 and a second output member 26.
  • the first output member 25 is ver bindable to a first transmission input shaft 27 and is formed in the present embodiment as an inner shaft.
  • the second output member 26 can be connected to a second transmission input shaft 28 and, in the present exemplary embodiment, is designed as a hollow shaft and is arranged concentrically around the first transmission input shaft 27.
  • any possibility for the design or arrangement of the transmission input shafts 27, 28 which is familiar to the person skilled in the art can be used.
  • either the straight or the ungera are assigned to the forward gear stages of the first transmission input shaft 27 and the respective other forward gear stages are assigned to the second transmission input shaft 28.
  • the double clutch arrangement 1 has an input disk carrier 3, which is designed as an outer disk carrier.
  • the input member 19 is rotatably connected to the input disk carrier 3.
  • the double clutch arrangement 1 further has a first output disk carrier 4, which is designed as an inner disk carrier, and a second output disk carrier 5, which is also designed as an inner disk carrier.
  • the first output disk carrier 4 is connected in a rotationally fixed manner to the first output member 25.
  • the second output plate holder 5 is rotatably connected to the second output member 26.
  • the first output disk carrier 4 and the second output disk carrier 5 are arranged side by side in the axial direction.
  • the input plate carrier 3 is rotatably connected to a plurality of first input plates 6, which form a first plate assembly 10 with a plurality of first output plates 8, which are connected in a rotationally fixed manner to the first output plate carrier 4.
  • the slats of the first plate pack 10 are lifted from one another in an unloaded state by means of first corrugated springs.
  • the input plate carrier 3 is rotatably connected to a plurality of second input plates 7, which form a second plate set 1 1 with a plurality of second output plates 9, which are connected to the second output plate carrier 5 in a rotationally fixed manner.
  • the slats of the second lamella lenwovenes 1 1 are lifted from each other in an unloaded state by means of second wave springs.
  • a first support member 12 is axially fixed to the input disk carrier 3, on which the first plate pack 10 can be supported.
  • the first support member 12 is arranged on the second side 36 of the first plate pack 10.
  • a second support member 13 is axially festge on the input disk carrier 3, on which the second disk pack 11 can be supported axially.
  • the second support member 13 is on the first side 35 'of the second plate pack 11 is arranged.
  • the first support member 12 and the second support member 13 are L-shaped and each comprise an axial part 15, 15 'and a radial part 14, 14'.
  • the “axial” direction describes a direction along or parallel to the longitudinal axis 18.
  • the “radial” direction describes a direction normal to the longitudinal axis 18.
  • the support members 12, 13 are axially spaced from one another fixedly arranged on the input plate carrier 3.
  • the term “fixed” is to be understood in the same way as the term “axially fixed” and describes a non-rotatable and axially fixed connection.
  • the axial part 15 and the radial part 14 of the first support member 12 are of essentially the same length. In the same way, the axial part 15 'and the radial part 14' of the second support member 13 are of essentially the same length.
  • first support member 12 and the second support member 13 are arranged on the input disk carrier 3 in such a way that their axial parts 15, 15 'partially overlap, i.e. their axial parts 15, 15 'largely overlap in the axial direction.
  • the first support member 12 and the second support member 13 are axially decoupled from each other via a decoupling device 16.
  • the decoupling device 16 is designed such that a transmission of an actuation of a Lamellenpa ketes 10, 11 to the other disk pack 10, 11 can be prevented or suppressed.
  • the first plate pack 10 is assigned a first pressure member 29, by means of which the first plate pack 10 can be pressed against the first support member 12.
  • the first pressure member 29 can be actuated axially by means of a first actuator arrangement 31, which can be designed, for example, as a hydraulic piston arrangement.
  • the first actuator arrangement 31 is fixed to the housing 24 of the double clutch arrangement 1 and is coupled to the first pressure element 29 via a first pressure element axial bearing 33.
  • the first pressure member 29 has an unspecified actuating section, which engages on a first side 35 of the first disk pack 10. Furthermore, the first pressure member 29 has an unspecified radial section on which the first actuator arrangement 31 engages via the first pressure member thrust bearing 33.
  • a first spring arrangement 39 in the form of a compression spring tensions the first pressure member 29 counter to the actuation direction, namely in the opening direction, of the first plate pack 10, i.e. to the left with respect to Fig.
  • the first pressure member 29 is assigned a first stop 37 which is axially fixed to the input disk carrier 3 and / or to the input member 19.
  • the first spring arrangement 39 presses the first pressure member 29 in the axial direction against the first stop 37, such that an axial load on the first pressure member axial bearing 33 is reduced or avoided by the first spring arrangement 39 if the first disk set 10 is to be unloaded.
  • the double clutch arrangement 2 furthermore has a second pressure element 30 which is arranged on a second side 36 ′ of the second disk set 11, ie the side of the double clutch arrangement 2 axially opposite the first pressure element.
  • the second pressure member 30 is used to actuate the second Lamel lenwovenes 11 and has a pressure member actuating section on the engages second disk pack 11, specifically on the second side 36 'of the second disk pack 11.
  • the second pressure member 30 can be actuated by means of a second actuator arrangement 32, which can be designed in particular as a piston arrangement.
  • the second actuator arrangement 32 is fixed to the housing 24 of the double clutch arrangement 1 and acts on the second pressure element 30 via a second pressure element axial bearing 34.
  • the second pressure element 30 has a radial section (not described in more detail) on which the second pressure element axial bearing 34 attacks.
  • a second spring arrangement 40 in the form of a compression spring biases the second pressure member 30 against the actuation direction, namely in the opening direction, of the second plate pack 11, ie to the right in relation to FIG.
  • the second pressure member 30 is assigned a second stop 38 which is connected to the input disk carrier 3 and / or to a support member 41.
  • the function of the second stop 38 corresponds to that of the first stop 37.

Abstract

La présente invention concerne un agencement à double embrayage (1) pour une chaîne cinématique de véhicule à moteur (2) comprenant un porte-lamelle d'entrée (3), un premier porte-lamelle de sortie (4) et un second porte-lamelle de sortie (5), le premier porte-lamelle de sortie (4) et le second porte-lamelle de sortie (5) étant disposés adjacent dans une direction axiale, le porte-lamelle d'entrée (3) étant raccordé de manière solidaire en rotation à une pluralité de premières lamelles d'entrée (6) et à une pluralité de secondes lamelles d'entrée (7), le premier porte-lamelle de sortie (4) étant raccordé de manière solidaire en rotation à une pluralité de premières lamelles de sortie (8) et le second porte-lamelle de sortie (5) étant raccordé de manière solidaire en rotation à une pluralité de secondes lamelles de sortie (9), les premières lamelles d'entrée (6) et les premières lamelles de sortie (8) formant un premier paquet de lamelles (10) et les secondes lamelles d'entrée (7) et les secondes lamelles de sortie (9) formant un second paquet de lamelles (11), sur le porte-lamelle d'entrée (3), un premier élément d'appui (12), pour supporter le premier paquet de lamelles (10), étant fixé axialement et, axialement par rapport au premier élément d'appui (12), un deuxième élément d'appui (13), pour supporter le second paquet de lamelles (11), étant fixé axialement, le premier élément d'appui (12) et le second élément d'appui (13) étant sensiblement en forme de L, une partie (14, 14') radiale de chacun des deux éléments d'appui présentant sensiblement la même longueur qu'une partie (15, 15') axiale de l'élément d'appui (12, 13) respectif.
PCT/EP2019/079513 2018-11-06 2019-10-29 Agencement à double embrayage pour une chaîne cinématique de véhicule à moteur WO2020094465A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018218858.0 2018-11-06
DE102018218858.0A DE102018218858B3 (de) 2018-11-06 2018-11-06 Doppelkupplungsanordnung für einen Kraftfahrzeugantriebsstrang

Publications (1)

Publication Number Publication Date
WO2020094465A1 true WO2020094465A1 (fr) 2020-05-14

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ID=68424886

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/079513 WO2020094465A1 (fr) 2018-11-06 2019-10-29 Agencement à double embrayage pour une chaîne cinématique de véhicule à moteur

Country Status (2)

Country Link
DE (1) DE102018218858B3 (fr)
WO (1) WO2020094465A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021202126B4 (de) 2021-03-04 2023-06-07 Magna Pt B.V. & Co. Kg Lamellenkupplung und Verfahren zur Verbesserung der Kühlölbereitstellung in der Lamellenkupplung

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1160697B (de) 1957-11-09 1964-01-02 Lamellen Und Kupplungsbau Augu Federnde Abstuetzung der Reibscheiben von Lamellen-Schaltkupplungen
WO2003027525A2 (fr) * 2001-09-21 2003-04-03 Zf Sachs Ag Systeme d'embrayage multiple pourvu d'ensembles d'embrayage multidisque juxtaposes dans le sens axial
WO2011019532A2 (fr) 2009-08-14 2011-02-17 Borgwarner Inc. Dispositif d’embrayage double parallèle et groupe motopropulseur comportant un dispositif d’embrayage double parallèle dudit type
DE102009047953A1 (de) 2009-10-01 2011-04-07 Volkswagen Ag Kupplung
WO2014012543A1 (fr) * 2012-07-20 2014-01-23 Schaeffler Technologies AG & Co. KG Ensemble embrayage double
EP2572118B1 (fr) 2010-05-19 2015-09-16 Audi AG Double embrayage pour une transmission à double embrayage dans des véhicules automobiles
DE102015226264A1 (de) * 2015-12-21 2017-06-22 Schaeffler Technologies AG & Co. KG Doppelkupplung und Verwendung eines Begrenzungsflanschs

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013216333A1 (de) 2013-08-19 2015-02-19 Volkswagen Aktiengesellschaft Mehrfachkupplungsvorrichtung, insbesondere Doppelkupplungsvorrichtung
DE102015213125A1 (de) 2015-07-14 2017-01-19 Volkswagen Aktiengesellschaft Kupplung, insbesondere für ein Getriebe eines Kraftfahrzeugs, vorzugsweise für eine Doppelkupplung für ein automatisches oder automatisiertes Doppelkupplungsgetriebe

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1160697B (de) 1957-11-09 1964-01-02 Lamellen Und Kupplungsbau Augu Federnde Abstuetzung der Reibscheiben von Lamellen-Schaltkupplungen
WO2003027525A2 (fr) * 2001-09-21 2003-04-03 Zf Sachs Ag Systeme d'embrayage multiple pourvu d'ensembles d'embrayage multidisque juxtaposes dans le sens axial
WO2011019532A2 (fr) 2009-08-14 2011-02-17 Borgwarner Inc. Dispositif d’embrayage double parallèle et groupe motopropulseur comportant un dispositif d’embrayage double parallèle dudit type
DE102009047953A1 (de) 2009-10-01 2011-04-07 Volkswagen Ag Kupplung
EP2572118B1 (fr) 2010-05-19 2015-09-16 Audi AG Double embrayage pour une transmission à double embrayage dans des véhicules automobiles
WO2014012543A1 (fr) * 2012-07-20 2014-01-23 Schaeffler Technologies AG & Co. KG Ensemble embrayage double
DE102015226264A1 (de) * 2015-12-21 2017-06-22 Schaeffler Technologies AG & Co. KG Doppelkupplung und Verwendung eines Begrenzungsflanschs

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