WO2011116742A1 - Contre-plaque pour un double embrayage, double embrayage et procédé de fabrication d'un double embrayage - Google Patents

Contre-plaque pour un double embrayage, double embrayage et procédé de fabrication d'un double embrayage Download PDF

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Publication number
WO2011116742A1
WO2011116742A1 PCT/DE2011/000248 DE2011000248W WO2011116742A1 WO 2011116742 A1 WO2011116742 A1 WO 2011116742A1 DE 2011000248 W DE2011000248 W DE 2011000248W WO 2011116742 A1 WO2011116742 A1 WO 2011116742A1
Authority
WO
WIPO (PCT)
Prior art keywords
plate
clutch
counter
pot
coupling
Prior art date
Application number
PCT/DE2011/000248
Other languages
German (de)
English (en)
Inventor
Florian Krebs
Karl-Ludwig Kimmig
René Daikeler
Original Assignee
Schaeffler Technologies Gmbh & 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 Gmbh & Co.Kg filed Critical Schaeffler Technologies Gmbh & Co.Kg
Priority to DE112011101027.3T priority Critical patent/DE112011101027B4/de
Publication of WO2011116742A1 publication Critical patent/WO2011116742A1/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
    • F16D2300/00—Special features for couplings or clutches
    • F16D2300/26—Cover or bell housings; Details or arrangements thereof
    • 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 invention relates to a counter-plate for a double clutch, a double clutch and a method for producing a double clutch, wherein with the aid of the double clutch in a motor vehicle, an engine-side input shaft with two coaxially arranged transmission-side output shafts can be coupled substantially traction interruption free.
  • a double clutch for coupling a rotor-side input shaft to a first transmission-side output shaft and / or a second transmission-side output shaft.
  • the dual clutch has a first clutch which has a first pressure plate axially movable relative to a first counter plate for coupling a first clutch disc connected to the first output shaft.
  • a second clutch is provided which has a second pressure plate axially movable relative to a second counter-plate for coupling a second clutch disc connected to the second output shaft.
  • a clutch pot is provided, which extends at least partially radially outward to the second clutch, and having a radially outwardly facing flange, via which the coupling pot is connected with aligned in the axial direction screws with the second counter-plate and the first counter-plate.
  • the object is achieved by a counter-plate with the features of claim 1, a dual clutch with the features of claim 3 and a method for producing a dual clutch with the features of claim 10.
  • the counter-plate according to the invention is for pressing into a clutch pot one
  • Double clutch configured and has a substantially annular body, wherein the base body preferably has a friction region for abutment of a friction region of a clutch disc. At least two, preferably at least three fastening lugs for pressing into the coupling pot of the double clutch project radially outward from the base body.
  • the mounting lugs each have a circumferentially extending radially outwardly directed contact surface, wherein the respective attachment lug has at least one in the radial direction through the contact surface extending through the connecting opening for receiving a radially extending through the coupling pot through connecting means.
  • connection opening By the radially extending connection opening can be ensured that the connecting means is not axially, but radially aligned with the counter-plate is connected. This makes it possible to save the space otherwise to be provided in the axial direction, so that a double clutch with such a counter-plate can be designed space-saving. In particular, it is possible to use the gained space to extend the friction surfaces between the counter-plate and the respective clutch disc and the respective clutch disc and the associated pressure plate radially outward. As a result, a larger moment can be transmitted with limited installation space.
  • the first clutch disk and / or the second clutch disk with a torsional vibration damper, in particular a disk damper, radially inside the friction linings.
  • a torsional vibration damper in particular a disk damper
  • the translation enabled by a pivoting actuator pot is no longer required to provide sufficient contact force to transmit sufficient torque. This makes it possible to save components that store a pivotable operating pot, so that the structure of the dual clutch can be significantly simplified and cheaper to manufacture.
  • the respective clutch disc can be rotatably connected via a toothing with the respective output shaft, but axially movably connected.
  • the first counterplate or the second counterplate may protrude radially inward as a separate component from a radially outer housing wall and / or from the coupling pot. It is also possible that the first counter-plate or the second counter-plate is formed integrally with the housing wall and / or with the coupling pot.
  • one of the counter-plates may be formed by a flywheel connected to the motor-side input shaft.
  • the respective clutch disc can have a friction lining, in particular on mutually pathing axial end faces, which can come into frictional engagement with a friction region of the associated counterplate and pressure plate in order to close the respective clutch.
  • the respective clutch disc can be rotatably connected via a toothing with the respective output shaft, but axially movably connected.
  • the respective pressure plates and counter plates are configured in particular as separate functionally separate components, so that a so-called "four-plate design" is possible for the double clutch without significantly increasing the installation space aligned connecting means provided so that no axially aligned connecting means are in direct contact with the counter-plate.
  • fastening means such as leaf spring packets are provided, via which a pressure plate can be connected to the counterplate according to the invention.
  • the fastening means between pressure plate and counter plate can be riveted or screwed, for which the counter plate can be configured with openings through which a riveting and / or screw can be performed.
  • One end of the corresponding fastening means can be provided in particular in a recess provided in the main body.
  • the connection opening has a smooth lateral surface for receiving a connecting pin. Characterized in that the counter-plate can be pressed with the coupling pot, a simple pin connection is sufficient, so that it is not necessary to provide for a screw connection a thread in the connection opening.
  • connection opening and the opening provided in the coupling pot are exactly centered relative to one another, without the counterplate having to be aligned accurately during pressing in relative to the coupling pot.
  • the invention further relates to a double clutch for coupling a motor-side
  • the first counterplate may in particular, as described above, and be further developed.
  • the dual clutch further includes a second clutch having a second pressure plate axially movable relative to a second counter plate for engaging a second clutch plate connected to a second output shaft.
  • the second counterplate may in particular, as described above, be formed and further developed. Further, a clutch pot for receiving the first clutch and the second clutch is provided.
  • the first counterplate is pressed into the coupling pot and connected to the coupling pot via a connecting means extending radially through the coupling pot.
  • the second counter-plate is pressed into the clutch pot and connected via a radially extending through the clutch pot through connecting means with the clutch pot.
  • the double clutch can in particular, as described above with reference to the counter-plate, and be further developed.
  • the first counterplate and / or the second counterplate is connected to the clutch pot via at least one connecting pin.
  • a simple pin connection is sufficient to rotatably connect the respective counter-plate even under centrifugal force with the clutch pot. It is not necessary to provide a thread for a screw, whereby the production of the double clutch is simplified.
  • the connecting means has a radially outwardly facing end face, wherein the end face is disposed at a level of a radially outwardly facing outer side of the coupling pot or radially inside to the outside of the coupling pot.
  • the connecting means can thus be completely recessed into the coupling pot, that is, not protrude radially outward compared to the outside of the coupling pot.
  • the radially aligned connecting means thus no additional space in the radial direction is needed.
  • the first counterplate and the second counterplate are respectively pressed into the clutch pot via at least two, preferably at least three, attachment projections protruding radially from a substantially annular base body, wherein the attachment extensions of the first counterplate are relative to the attachment extensions of the second counterplate are offset in the circumferential direction, taking into account a deformation of the coupling cup by the pressed second counter-plate, the connection of the first counter-plate with the coupling pot at a position in the circumferential direction, which is prior to the pressing of the first counter-plate substantially the nominal diameter of the coupling pot before pressing the second counter plate corresponds. In this case, it is considered that something is deformed by the pressing of the second counter-plate of the clutch pot.
  • the coupling pot may be widened slightly beyond its original nominal diameter in the region of the fastening projections and may be deformed in the region between two adjoining fastening projections in the circumferential direction in a partial region below the original nominal diameter.
  • the attachment lugs of the first counter-plate are aligned after pressing the second counter-plate such that the attachment lugs are not arranged in the region of the nominal diameter stretched clutch pot or in areas below the nominal diameter deformed clutch pot, but substantially in a transition region where the diameter of the deformed Clutch pot substantially corresponds to the original nominal diameter of the clutch pot.
  • the first counter-plate and the second counter-plate are thus not exactly the same aligned one behind the other, pressed into the clutch pot.
  • the attachment lugs of the first counter-plate in the circumferential direction are not aligned exactly centered to the attachment lugs of the second counter-plate in order not to complicate or even impossible to press in the first counter-plate in this area due to the deformed under the nominal diameter clutch pot.
  • the fastening projections of the first counter-plate can be positioned at a location which is a displacement in the circumferential direction to the attachment lugs of second counter-plate corresponds to about 1/4 to 1/3 of the distance in the circumferential direction between two adjacent attachment lugs of the second counter-plate.
  • a press fit between the first counter-plate with the coupling pot and / or a press fit between the second counter-plate and the clutch pot is selected such that upon rotation of the first counter-plate and the coupling pot and / or the second counter-plate and the coupling pot around a common center axis with a rotational speed N of 4000 rpm ⁇ n, in particular 5000 rpm ⁇ n, preferably 6000 rpm ⁇ n and particularly preferably 7000 rpm ⁇ n a fit P of
  • the lateral forces acting on the connecting means can thereby be significantly reduced, so that with a small number of radially aligned connecting means a secure and rotationally fixed connection of the respective counter-plate can be achieved with the clutch pot. This also ensures that the connecting means makes no relative movement over the press fit at speed relative to the lid, which would lead to wear and axial play.
  • an actuating device is provided with a first piston for the axial movement of the first pressure plate by means of a first actuating pot and a second piston for the axial movement of the second pressure plate by means of a second actuating pot, wherein the actuating travel of the first piston substantially the displacement of the first pressure plate corresponds and / or the actuating travel of the second piston substantially corresponds to the displacement of the second pressure plate.
  • the actuating travel of the respective piston corresponds exactly to the displacement of the associated pressure plate.
  • the displacement of the respective pressure plate differs from the actuation of the associated piston thus only to the distance in the axial direction by which the associated actuating pot is bent elastically upon actuation of the respective clutch. Due to the space-saving arrangement of the connecting means, the friction surfaces of the respective counter-plate, pressure plate and coupling can be extended radially outward, so that with a smaller contact force the intended moments can be transmitted and a translation between the movement of the respective piston and the movement of the respective pressure plate not is required.
  • the double clutch can be constructed much simpler.
  • the invention further relates to a transmission line for a motor vehicle with an engine-side input shaft, a first transmission-side output shaft, a second transmission-side output shaft and a dual clutch for coupling the input shaft to the first output shaft and / or the second output shaft, wherein the dual clutch, as described above, from - and can be further educated.
  • the dual clutch as described above, from - and can be further educated.
  • the gear train may in particular at least one directly or indirectly connected to the double clutch vibration damper, in particular two-mass flywheel and / or centrifugal pendulum and / or mass pendulum having, the vibration damper may be arranged in the direction of force flow before or after the double clutch.
  • the invention further relates to a method for producing a double clutch, which may in particular, as described above and further educated, in which a provision of a coupling pot and a press-fitting of a second counter-plate of a second clutch in the clutch pot, wherein the second counter-plate, such as can be trained and educated above described. Further, a pressing of a first counter-plate of a first clutch into the clutch pot, wherein the first counter-plate, as described above and can be further developed.
  • an opening is made in the coupling pot and a connecting opening in the first counter-plate and / or in the second counter-plate, in particular by drilling, and connecting the first counter-plate and / or the second counter-plate to the coupling pot by a radially in the Opening and inserted into the connection opening connecting means.
  • the production of the opening and the connecting opening takes place after the second counterplate and the first counterplate have been pressed into the coupling pot. the.
  • the method can in particular be further developed as explained above with reference to the counterplate and / or the double clutch.
  • 1 is a schematic sectional view of a double clutch
  • FIG. 2 is a schematic diagram of deformations of a coupling pot, the double clutch shown in Fig. 1,
  • Fig. 3 is a schematic plan view of a counter-plate for that shown in Fig. 1
  • FIG. 4 shows a schematic perspective rear view of the counterplate of FIG. 3.
  • the illustrated in Fig. 1 dual clutch 10 connects via a first clutch 12, an engine-side input shaft 14 having a first output shaft 16. Further, via a second clutch 18, the input shaft 14 can be coupled to a second output shaft 20 which is arranged coaxially to the first output shaft 16 ,
  • the first clutch 12 has a first pressure plate 22 which is axially movable to a first counter-plate 24 to frictionally couple a first clutch plate 26 between the first pressure plate 22 and the first counter-plate 24.
  • the first counter-plate 24 is connected to the input shaft 14 via a flywheel 28, which in turn is connected to a flexible plate 30.
  • a starter ring 32 is also connected to the flexible plate 30.
  • the second clutch 18 has a second pressure plate 34 which is axially displaceable to a second counter-plate 36 to couple a second clutch plate 38 frictionally between the first pressure plate 34 and the second counter-plate 36.
  • the pressure plates 22, 34, the counter plates 24, 36 and the clutch plates 26, 38 can rotate about a common center axis 39.
  • the first clutch 12 and the second clutch 18 are each received in a clutch pot 40.
  • the first counter-plate 24 and the second counter-plate 36 are each connected to the clutch pot 40 via a connection means configured as a connecting pin 42.
  • the connecting pins 42 are aligned in the radial direction and sunk so far into the coupling pot 40, that a radially outwardly facing end face 44 of the connecting pin 42 is disposed radially inwardly to a radially outwardly facing outer side 46 of the coupling pot 40.
  • the coupling pot 40 For receiving the connecting pin 42, the coupling pot 40 has an opening 47 and the respective counter-plate 24, 36 has a connection opening 48.
  • the actuator 52 has a first pressure cylinder 54, by means of which a first piston 56 can be disengaged.
  • a first operating pot 58 is axially displaced to move the first pressure plate 22 on the first counter-plate 24 to close the first clutch 12.
  • the actuator 52 on a second pressure cylinder 60 with the aid of a second piston 62 can be disengaged to move a second actuator pot 64 axially.
  • the second pressure plate 34 is moved toward the first counter-plate 36 to close the second clutch 18.
  • the actuator 52 is radially supported by a bearing 65 on the coaxial outer second output shaft 20.
  • the coupling pot 40 has a nominal diameter 66.
  • the coupling pot 40 in the sectional plane of the still to be pressed in the first counter-plate 24 has a deformation 70.
  • cutting regions 72 result, in which the deformation 70 substantially corresponds to the nominal diameter 66.
  • the fastening lugs 68 of the pressed-in first counterplate 24 are preferably positioned, with the respective Attachment approach in particular centrally to the intersection of the deformation 70 is arranged with the nominal diameter 66.
  • the counter-plate 24, 36 shown in Fig. 3 has a substantially annular base body 74 from which project the attachment lugs 68.
  • the mounting lugs 68 have radially outwardly facing contact surfaces 76, over which the counter-plate 24, 36 rests in the clutch pot 40 with a press fit.
  • the main body 74 has a plurality of fastening means 78, via the friction linings, not shown, for example, riveted or can be screwed.
  • the connecting openings 48 are provided for receiving the connecting pin 42, wherein the connecting openings 48 are created in particular only after being pressed into the coupling pot 40 by a drilling operation through the coupling pot 40 therethrough.
  • the respective backing plate 24, 36 may have an insertion ramp 80 to facilitate press fitting.
  • the mounting lugs 68 are chamfered in the press-in, so that the coupling pot 40 can slide easily over the counter-plate 24, 36 when pressing the counter-plate 24, 36th
  • the closing force for the clutches is introduced via actuators, preferably without leverage, directly into the clutches, the pressure pots as intermediate elements between pressure plates and actuators substantially rigid or can be formed with a defined elasticity.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

L'invention concerne une contre-plaque (24, 36) destinée à être enfoncée dans une cloche d'embrayage (40) d'un double embrayage (10) et présentant un corps de base (74) sensiblement annulaire. Au moins deux saillies de fixation (68) à enfoncer dans la cloche du double embrayage font saillie radialement vers l'extérieur depuis le corps de base. Les saillies de fixation présentent chacune une surface de pression (76) dirigée radialement vers l'extérieur qui s'étend dans la direction circonférentielle. En outre, la saillie de fixation respective comporte au moins un orifice de liaison qui s'étend dans la direction radiale à travers la surface de pression et est destiné à recevoir un moyen de liaison (42) qui traverse radialement la cloche d'embrayage. L'orifice de liaison orienté radialement permet de garantir que le moyen de liaison est relié à la contre-plaque en étant aligné non pas axialement, mais radialement. Il est ainsi possible d'économiser la place nécessaire dans la direction axiale, de manière à obtenir une configuration compacte et à pouvoir transmettre un grand couple.
PCT/DE2011/000248 2010-03-25 2011-03-07 Contre-plaque pour un double embrayage, double embrayage et procédé de fabrication d'un double embrayage WO2011116742A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112011101027.3T DE112011101027B4 (de) 2010-03-25 2011-03-07 Gegenplatte für eine Doppelkupplung, Doppelkupplung und Verfahren zur Herstellung einer Doppelkupplung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010012861.9 2010-03-25
DE102010012861 2010-03-25

Publications (1)

Publication Number Publication Date
WO2011116742A1 true WO2011116742A1 (fr) 2011-09-29

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ID=44210031

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2011/000248 WO2011116742A1 (fr) 2010-03-25 2011-03-07 Contre-plaque pour un double embrayage, double embrayage et procédé de fabrication d'un double embrayage

Country Status (2)

Country Link
DE (2) DE112011101027B4 (fr)
WO (1) WO2011116742A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016023548A1 (fr) * 2014-08-11 2016-02-18 Schaeffler Technologies AG & Co. KG Double embrayage pourvu d'un collier de plateau de réaction en saillie axiale, orienté de manière périphérique

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1461845A (fr) * 1964-12-30 1966-12-09 Borg Warner Embrayages à plaques de pression ou à disques multiples
DE4309570A1 (de) * 1992-03-24 1993-09-30 Daikin Clutch Corp Kupplung in Modularbauweise
DE19928648A1 (de) * 1998-06-30 2000-01-27 Mannesmann Sachs Ag Verfahren zum Verbinden eines Schwungrads einer Kupplung mit einem Kupplungsgehäuse
EP1524446A1 (fr) 2003-10-17 2005-04-20 LuK Lamellen und Kupplungsbau Beteiligungs KG Dispositif d'embrayage.
EP1688634A1 (fr) * 2005-01-31 2006-08-09 Valeo Embrayages Dispositif de montage d'un palier sur un élément de transmission

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1461845A (fr) * 1964-12-30 1966-12-09 Borg Warner Embrayages à plaques de pression ou à disques multiples
DE4309570A1 (de) * 1992-03-24 1993-09-30 Daikin Clutch Corp Kupplung in Modularbauweise
DE19928648A1 (de) * 1998-06-30 2000-01-27 Mannesmann Sachs Ag Verfahren zum Verbinden eines Schwungrads einer Kupplung mit einem Kupplungsgehäuse
EP1524446A1 (fr) 2003-10-17 2005-04-20 LuK Lamellen und Kupplungsbau Beteiligungs KG Dispositif d'embrayage.
EP1688634A1 (fr) * 2005-01-31 2006-08-09 Valeo Embrayages Dispositif de montage d'un palier sur un élément de transmission

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016023548A1 (fr) * 2014-08-11 2016-02-18 Schaeffler Technologies AG & Co. KG Double embrayage pourvu d'un collier de plateau de réaction en saillie axiale, orienté de manière périphérique
CN106662168A (zh) * 2014-08-11 2017-05-10 舍弗勒技术股份两合公司 具有对压板的在周向方向上定向并且在轴向上伸出的接片的双离合器
CN106662168B (zh) * 2014-08-11 2019-10-11 舍弗勒技术股份两合公司 具有对压板的在周向方向上定向并且在轴向上伸出的接片的双离合器

Also Published As

Publication number Publication date
DE102011013238A1 (de) 2012-05-10
DE112011101027B4 (de) 2020-06-18
DE112011101027A5 (de) 2013-01-17

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