EP3601830A1 - Dispositif d'embrayage pour une chaîne cinématique d'un véhicule - Google Patents

Dispositif d'embrayage pour une chaîne cinématique d'un véhicule

Info

Publication number
EP3601830A1
EP3601830A1 EP18712436.7A EP18712436A EP3601830A1 EP 3601830 A1 EP3601830 A1 EP 3601830A1 EP 18712436 A EP18712436 A EP 18712436A EP 3601830 A1 EP3601830 A1 EP 3601830A1
Authority
EP
European Patent Office
Prior art keywords
centrifugal force
pressure
coupling device
hub
coupling component
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.)
Withdrawn
Application number
EP18712436.7A
Other languages
German (de)
English (en)
Inventor
Martin Chambrion
Clément FRANCOIS
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
Publication of EP3601830A1 publication Critical patent/EP3601830A1/fr
Withdrawn legal-status Critical Current

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
    • F16D13/60—Clutching elements
    • F16D13/64—Clutch-plates; Clutch-lamellae
    • F16D13/68—Attachments of plates or lamellae to their supports
    • 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
    • F16D43/00—Automatic clutches
    • F16D43/02—Automatic clutches actuated entirely mechanically
    • F16D43/24—Automatic clutches actuated entirely mechanically controlled by acceleration or deceleration of angular speed
    • 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
    • F16D13/22—Friction clutches with axially-movable clutching members
    • F16D13/38—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs
    • F16D13/52—Clutches with multiple lamellae ; Clutches in which three or more axially moveable members are fixed alternately to the shafts to be coupled and are pressed from one side towards an axially-located member
    • F16D13/54—Clutches with multiple lamellae ; Clutches in which three or more axially moveable members are fixed alternately to the shafts to be coupled and are pressed from one side towards an axially-located member with means for increasing the effective force between the actuating sleeve or equivalent member and the pressure member
    • F16D13/56—Clutches with multiple lamellae ; Clutches in which three or more axially moveable members are fixed alternately to the shafts to be coupled and are pressed from one side towards an axially-located member with means for increasing the effective force between the actuating sleeve or equivalent member and the pressure member in which the clutching pressure is produced by springs only
    • 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
    • F16D13/60—Clutching elements
    • F16D13/64—Clutch-plates; Clutch-lamellae
    • F16D13/644—Hub construction
    • F16D13/646—Mounting of the discs on the hub
    • 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
    • F16D13/71—Pressure members, e.g. pressure plates, for clutch-plates or lamellae; Guiding arrangements for pressure members in which the clutching pressure is produced by springs only
    • 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
    • F16D43/00—Automatic clutches
    • F16D43/02—Automatic clutches actuated entirely mechanically
    • F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
    • F16D43/06—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating axially a movable pressure ring or the like
    • F16D43/08—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating axially a movable pressure ring or the like the pressure ring actuating friction plates, cones or similar axially-movable friction surfaces
    • F16D43/10—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating axially a movable pressure ring or the like the pressure ring actuating friction plates, cones or similar axially-movable friction surfaces the centrifugal masses acting directly on the pressure ring, no other actuating mechanism for the pressure ring being provided
    • 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
    • F16D43/00—Automatic clutches
    • F16D43/02—Automatic clutches actuated entirely mechanically
    • F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
    • F16D43/06—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating axially a movable pressure ring or the like
    • F16D43/08—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating axially a movable pressure ring or the like the pressure ring actuating friction plates, cones or similar axially-movable friction surfaces
    • F16D43/12—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating axially a movable pressure ring or the like the pressure ring actuating friction plates, cones or similar axially-movable friction surfaces the centrifugal masses acting on, or forming a part of, an actuating mechanism by which the pressure ring can also be actuated independently of the masses
    • 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
    • F16D43/00—Automatic clutches
    • F16D43/02—Automatic clutches actuated entirely mechanically
    • F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
    • F16D43/14—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching 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
    • F16D43/00—Automatic clutches
    • F16D43/02—Automatic clutches actuated entirely mechanically
    • F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
    • F16D43/14—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members
    • F16D43/18—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members with friction clutching 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
    • F16D13/00—Friction clutches
    • F16D13/22—Friction clutches with axially-movable clutching members
    • F16D13/38—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs
    • F16D13/52—Clutches with multiple lamellae ; Clutches in which three or more axially moveable members are fixed alternately to the shafts to be coupled and are pressed from one side towards an axially-located member
    • F16D13/54—Clutches with multiple lamellae ; Clutches in which three or more axially moveable members are fixed alternately to the shafts to be coupled and are pressed from one side towards an axially-located member with means for increasing the effective force between the actuating sleeve or equivalent member and the pressure member
    • F16D13/56—Clutches with multiple lamellae ; Clutches in which three or more axially moveable members are fixed alternately to the shafts to be coupled and are pressed from one side towards an axially-located member with means for increasing the effective force between the actuating sleeve or equivalent member and the pressure member in which the clutching pressure is produced by springs only
    • F16D2013/565—Clutches with multiple lamellae ; Clutches in which three or more axially moveable members are fixed alternately to the shafts to be coupled and are pressed from one side towards an axially-located member with means for increasing the effective force between the actuating sleeve or equivalent member and the pressure member in which the clutching pressure is produced by springs only with means for releasing the clutch pressure in case of back torque
    • 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
    • F16D2013/706—Pressure members, e.g. pressure plates, for clutch-plates or lamellae; Guiding arrangements for pressure members the axially movable pressure plate is supported by leaf springs
    • 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
    • F16D43/00—Automatic clutches
    • F16D43/02—Automatic clutches actuated entirely mechanically
    • F16D43/20—Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure
    • F16D43/21—Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure with friction members
    • F16D43/213—Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure with friction members with axially applied torque-limiting friction surfaces
    • F16D43/215—Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure with friction members with axially applied torque-limiting friction surfaces with flat friction surfaces, e.g. discs
    • F16D43/216—Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure with friction members with axially applied torque-limiting friction surfaces with flat friction surfaces, e.g. discs with multiple lamellae

Definitions

  • the invention relates to a coupling device for a drive train of a vehicle having a first coupling component for torque introduction and a second coupling component for torque transmission, wherein the second coupling component is rotationally decoupled from the first coupling component, wherein first friction elements of the first coupling component and second friction elements of the second coupling component are connected to transmit torque ,
  • a generic coupling device is known from WO 2014/139526 A1.
  • This discloses a coupling device comprising an input side and an output side rotatably disposed about an axis and having at least a first friction partner and at least a second friction partner, the first friction partner is torque-connected to the input side, wherein the second friction partners torque-locking with the output side is connected, wherein the first and the second friction partners are frictionally engageable by a contact force to transmit a torque between the input side and the output side, wherein at least one spring means is provided, which increases the contact pressure of the coupling device.
  • Such spring means are generally designed as leaf springs, which can generate a self-amplification of the contact pressure due to their installation angle.
  • the load of the leaf springs is dependent on the number of friction elements that transmit their moment on the leaf springs to a hub.
  • centrifugal clutch which, on the one hand, has a centrifugal force-switching switching device in the centrifugal clutch, which serves as a starting element, and, on the other hand, a driver-actuatable disengaging device as a clutch which opens and closes the closed centrifugal clutch against the centrifugal force .
  • the second clutch component has a further centrifugally dependent switching switching device.
  • both a start of the motor vehicle at a high rotational speed of the drive and a driving at low speeds, for example, in a partial load operation allows in which a centrifugally induced disengagement of the centrifugal clutch takes place only at lower speeds.
  • the object of the present invention is to at least partially solve the problems known from the prior art.
  • a coupling device is to be specified, which can be assembled successively by a modular structure as possible.
  • a coupling device for a drive train of a vehicle, with a rotation axis, a first coupling component for torque introduction and a second coupling component for torque transmission.
  • the second coupling component is rotatably decoupled from the first coupling component, wherein the first coupling component first friction elements and the second coupling component second friction elements, which are connected to transmit torque, wherein a partial self-amplification of the coupling device via a leaf spring unit is executable.
  • the second coupling component comprises at least the following components: - A hub which is connectable to an output shaft, wherein the hub with a first part of the second friction elements (in the circumferential direction) is rotatably connected;
  • a pressure plate which is displaceable relative to the hub along the axis of rotation in an axial direction, wherein the pressure plate with a second part of the second friction elements (in the circumferential direction) is rotatably connected;
  • a release plate for actuating the pressure plate for switchable disengagement of the coupling device and decoupling of the second coupling component of the first coupling component, and against centrifugal force
  • leaf springs extending along the circumferential direction and having a first leaf spring end on the pressure plate (eg over the second end of the first pin) and a second leaf spring end on the hub (e.g. connected via a fourth bolt);
  • a first centrifugal force unit via which the first and second friction elements in the axial direction are clamped together; wherein the first centrifugal force acts from a first speed on the pressure disc and this moves against the compression springs along the axial direction (and thus the friction elements clamped together).
  • an installation angle of the leaf springs of the leaf spring unit is between 40 ° and 55 °.
  • the leaf spring unit is on the one hand to the hub and the other Tied to the pressure plate and a predetermined second part of the second friction elements of the second coupling component via the leaf spring unit is rotatably connected to the pressure plate.
  • a predetermined first part of the second friction elements of the second coupling component are connected directly to the hub.
  • the pressure plate and the hub are rotatably coupled to each other via the leaf springs and decoupled from each other with respect to an axial direction, ie the pressure plate is displaceable relative to the hub against the force of the leaf spring unit in the axial direction.
  • the first centrifugal force unit may be non-rotatably connected to the first coupling component or to the second coupling component.
  • a second centrifugal force unit which acts on the pressure disk from a second rotational speed and displaces it against the pressure springs along the axial direction; wherein the first centrifugal force unit (then) is non-rotatably connected to the second coupling component and the second centrifugal force unit with the first coupling component.
  • the first centrifugal force unit preferably has a first disk which can be displaced in the axial direction with changing centrifugal force and which actuates the pressure disk via at least one second pin.
  • the at least one second bolt is attached only to the pressure disc.
  • the second bolt is connected via a riveted joint with the pressure disc.
  • the second bolt extends along the axial Direction, starting from the pressure disc through the pressure plate to the first disc.
  • a displacement of the first disc due to a centrifugal force actuates the second bolt, so that the pressure disc is displaced by the second bolt against the spring force of the compression spring.
  • the compression springs are respectively attached to the first end of the first bolt and arranged clamped between the first end of the first bolt and the Anpressrace.
  • a displacement of the pressure disk against the spring force of the compression springs acts on the first end of the first bolt, so that the first bolts are displaced in total by the compression springs along the axial direction.
  • a displacement of the first bolt also causes a displacement of the pressure plate, so that the friction elements are clamped together.
  • the pressure discs can only be displaced along a predetermined path along the axial direction. In particular, this path is limited by a stop which is formed with the hub.
  • the spring force acting on the friction elements can thus be limited (on the one hand by the stop and on the other hand by the spring force of the compression springs).
  • the second centrifugal force unit has a second disk displaceable in the axial direction with changing centrifugal force, which actuates the first disk via at least one third bolt and thus the pressure disk via the at least one second bolt.
  • the at least one third bolt is attached only to the first disc.
  • the at least one third bolt is rotationally decoupled from the second centrifugal force unit, so that a rotational movement of the second centrifugal force unit transmits no appreciable force in the circumferential direction to the at least one third bolt.
  • At least two, preferably three or even more than three bolts are provided in each case by the first, second, third and / or fourth bolts.
  • the coupling device consists of several independently producible assemblies; wherein a first assembly comprises the hub, the pressure plate, the pressure plate, the plurality of first bolts with the compression springs and the leaf springs.
  • the first assembly additionally comprises the fourth bolts, via which the leaf springs are connected to the hub.
  • the first assembly preferably comprises the second bolts, which are fastened in particular to the pressure disk.
  • the second assembly comprises the first assembly and the first centrifugal force unit; wherein the first centrifugal force unit is rotatably connected to the hub and can be arranged on the hub via a securing ring.
  • the first centrifugal force unit has a base plate which has tongues on an inner peripheral surface which engage in grooves of the hub and thus ensure a rotationally fixed arrangement of the first centrifugal force unit on the hub.
  • the second assembly additionally includes the third bolts attached to the first disk.
  • a third assembly comprises the first coupling component and a second centrifugal force unit which is non-rotatably connected to the first coupling component.
  • a fourth assembly comprises the first friction elements and the second friction elements.
  • a method for producing the coupling device is additionally proposed, at least the following independent steps:
  • the release plate can be pulled or pushed through a release bearing.
  • Fig. 2 a coupling device with counter-plate and output shaft in a perspective view in section;
  • FIG. 3 shows a first assembly of the coupling device according to FIG. 2 in a perspective view
  • FIG. 4 shows a second assembly of the coupling device according to FIG. 2 in a perspective view
  • FIG. 5 shows a view of the second assembly of FIG. 4 from below along the
  • FIG. 6 shows a third assembly of the coupling device according to FIG. 2 in a perspective view
  • FIG. 7 shows a coupling device according to FIG. 2 with the first, second, third and fourth assembly as well as the output shaft, in a perspective view;
  • FIG. 8 shows a hub of the coupling device according to FIG. 2 in a perspective view
  • FIG. 9 shows a pressure plate of the coupling device according to FIG. 2 in a perspective view.
  • Fig. 1 shows a known coupling device 1 in a perspective view in section.
  • the coupling device 1 with a rotation axis 2 has a first coupling component 3, which is connectable to the indirect or direct rotary connection with a crankshaft of an internal combustion engine.
  • the first coupling component 3 has a sleeve-shaped outer plate carrier, which is rotationally coupled via its radial inner side with a plurality of first friction elements 5 in the form of first friction plates (that is, forms a positive connection).
  • a second coupling component 4 is provided in the coupling device 1, which is rotationally coupled to second friction elements 6 in the form of second friction plates (ie forms a positive connection in the circumferential direction 21).
  • the first coupling component 3 is rotationally decoupled from the second coupling component 4 as a function of the position of the coupling device 1 or connected to it in a rotationally fixed manner via the friction elements 5, 6.
  • the first friction elements 5 of the first coupling component 3 and the second friction elements 6 of the second coupling component 4 are arranged along the axial direction 12 such that in each case a second friction element 6 of the second coupling component 4 is arranged between each two adjacent first friction elements 5.
  • the friction elements 5, 6 are all in the axial direction 12 relative to each other displaceable.
  • the first and second friction elements 5, 6 via an applied connection force in the form of the axial contact force, which is generated by the centrifugal force units 24, 26 rotatably connected to each other under friction force.
  • the first and second friction elements 5, 6 are again arranged without power to each other and thus rotatable relative to each other.
  • the first centrifugal force unit 24 is connected via a screw connection with the hub 8.
  • a leaf spring unit 7 connects the pressure plate 1 1 with the hub 8.
  • a first disc 27 of the first centrifugal force unit 24 acts on a compression spring 19 and via the compression spring 19 on the pressure plate 1 first
  • Fig. 2 shows a coupling device 1 with counter-plate 43 and output shaft 9 in a perspective view in section.
  • the coupling device 1 comprises a rotation axis 2, a first coupling component 3 for torque introduction and a second coupling component 4 for torque transmission.
  • the second coupling component 3 is rotationally decoupled from the first coupling component 4, wherein the first coupling component 3 first friction elements 5 and the second coupling component 4 second friction elements 6, which are connected to transmit torque, wherein a partial self-amplification of the coupling device 1 via a leaf spring unit / executable.
  • the second clutch constituent 4 comprises a hub 8, which is non-rotatably connected to an output shaft 9, wherein the hub 8 is rotatably connected to a first part 10 of the second friction elements 6 (in the circumferential direction 21).
  • a pressure plate 1 1 which is displaceable relative to the hub 8 along the axis of rotation 2 in an axial direction 12, wherein the pressure plate 1 1 with a second part 13 of the second friction elements 6 (in the circumferential direction 21) is rotatably connected.
  • the second clutch component 4 also comprises a release plate 14 for actuating the pressure plate 11 (for releasable disengagement of the clutch device 1 and decoupling of the second clutch component 4 from the first clutch component 3, also against a centrifugal force) and a pressure washer 15.
  • the second clutch component 4 further comprises a plurality of first bolts 16, each extending along the axial direction 12, wherein at a first end 17 of the first bolt 16, the release plate 14 and at a second end 18, the pressure plate 1 1 is attached; wherein the first bolts 16 extend through the pressure washer 15 and the pressure washer 15 is slidably disposed relative to the first bolt 16 along the axial direction 12. Between the first end 17 and the pressure washer 15, a compression spring 19 is arranged.
  • the second clutch component 4 further comprises a plurality of leaf springs 20 (or leaf spring packs) extending along the circumferential direction 21 and having a first leaf spring end 22 on the pressure plate 11 (eg, via the second end 18 of the first bolt 16).
  • the second clutch component 4 further comprises a first centrifugal force unit 24, via which the first and second friction elements 5, 6 can be braced with one another in the axial direction 12; wherein the first centrifugal force unit 24 acts on the pressure disk 15 from a first speed and displaces it against the compression springs 19 along the axial direction 12 (and thus the friction elements 5, 6 clamped together).
  • the leaf spring unit 7 is connected on the one hand to the hub 8 and the other to the pressure plate 1 1, wherein a predetermined second part 13 of the second friction elements 6 of the second coupling component 4 is rotatably connected via the leaf spring unit 7 with the pressure plate 1 1.
  • a predetermined first part 10 of the second friction elements 6 of the second clutch component 4 is connected directly to the hub 8.
  • the pressure plate 1 1 and the hub 8 are rotatable with each other the leaf springs 20 coupled and decoupled from each other with respect to an axial direction 12, ie the pressure plate 1 1 is relative to the hub 8 against the force of the leaf spring unit 7 in the axial direction 12 slidably.
  • a second centrifugal force unit 26 which acts on the pressure disk 15 from a second rotational speed and displaces it against the compression springs 19 along the axial direction 12; wherein the first centrifugal force unit 24 is rotatably connected to the second coupling component 4 and the second centrifugal force unit 26 with the first coupling component 3.
  • first centrifugal force unit 24 a tensioning of the friction elements 5, 6 in a traveling motor vehicle is maintained up to a low first rotational speed.
  • second centrifugal force unit 26 it is ensured that a tensioning of the friction elements 5, 6 also starts with a stationary motor vehicle from a certain second rotational speed (starting clutch).
  • the first centrifugal force unit 24 has a first disk 27 which can be displaced in the axial direction 12 with changing centrifugal force and which actuates the pressure disk 15 via at least one second pin 28 (see FIG. 7).
  • the at least one second bolt 28 is attached only to the pressure disc.
  • the second bolt 28 is connected via a rivet connection with the pressure disk 15.
  • the second pin 28 extends along the axial direction 12, starting from the contact pressure disk 15 through the pressure plate 11 up to the first disk 27.
  • a displacement of the first disc 27 due to a centrifugal force actuates the second pin 28, so that the pressure plate 15 is displaced by the second pin 28 against the spring force of the compression spring 19.
  • the compression springs 19 are each attached to the first end 17 of the first pin 16 and arranged clamped between the first end 17 of the first pin 16 and the pressure washer 15. A displacement of the pressure disk 15 against the spring force of the compression springs 19 acts on the first end 17 of the first pin 16, so that the first pin 16 are displaced in total by the compression springs 19 along the axial direction 12. A displacement of the first pin 16 also causes a displacement of the pressure plate 1 1 relative to the counter-plate 43, which is fixed by a nut 25 on the output shaft 9, so that the friction elements 5, 6 are clamped together.
  • the second centrifugal force unit 26 has a second disc 29 which is displaceable with changing centrifugal force in the axial direction 12 and actuates the first disc 27 and thus the pressure disc 15 via the at least one second pin 28 via at least one third pin 30.
  • the at least one third pin 30 is attached only to the first disc 27 via a rivet connection.
  • the at least one third bolt 30 is rotationally decoupled from the second centrifugal force unit 26, so that a rotational movement of the second centrifugal force unit 26 does not transmit any appreciable force in the circumferential direction 21 to the at least one third bolt 30.
  • three bolts are each provided by the first, second, third and fourth bolts 16, 28, 30, 37.
  • FIG. 3 shows a first assembly 31 of the coupling device 1 according to FIG. 2 in a perspective view.
  • the first assembly 31 includes the hub 8, the pressure plate 1 1, the Anpresssay 15, the plurality of first pin 16 with the compression springs 19 and the leaf springs 20. Further, the fourth bolt 37 are provided here, via which the second leaf spring ends 23 at the Hub 8 are attached.
  • the pressure disk 15 can be displaced only along a predetermined path 41 along the axial direction 12. This path 41 is limited by a stop 42 which is formed with the hub 8.
  • the first assembly 31 also includes the second bolts 28, which are attached to the pressure washer 15.
  • FIG. 4 shows a second assembly 32 of the coupling device 1 according to FIG. 2 in a perspective view.
  • FIG. 5 shows a view of the second subassembly 32 according to FIG. 4 from below along the axis of rotation 2. FIGS. 4 and 5 will be described jointly below.
  • the second assembly 32 includes the first assembly 31 and the first centrifugal force unit 24; wherein the first centrifugal force unit 24 rotatably connected to the hub 8 and is arranged via a locking ring 35 on the hub.
  • the first centrifugal force unit 24 has a base plate 40 which has tongues 39 on an inner peripheral surface which engage in grooves 38 of the hub 8 and thus ensure a rotationally fixed arrangement of the first centrifugal force unit 24 on the hub 8.
  • the second assembly 32 additionally includes the third bolts 30 fixed to the first disk 27.
  • FIG. 6 shows a third assembly 33 of the coupling device 1 according to FIG. 2 in a perspective view and additionally the output shaft 9.
  • the third assembly 33 comprises the first coupling component 3 and a second centrifugal force unit 26, which is non-rotatably connected to the first coupling component 2.
  • the third assembly 33 is rotatably disposed opposite to the output shaft 9.
  • Fig. 7 shows a coupling device 1 according to Fig. 2 with first, second, third and fourth assembly 31, 32, 33, 34 and the output shaft 9, in a perspective view.
  • the fourth assembly 34 includes the first friction elements 5 and the second friction elements 6.
  • the output shaft 9 is additionally shown.
  • FIG. 8 shows a hub 8 of the coupling device 1 according to FIG. 2 in a perspective view. Reference is made to the above statements, in particular to FIG. 2.
  • the hub 8 has bores for receiving the fourth bolt 37 for fastening the second leaf spring ends 23.
  • Fig. 9 shows a pressure plate 1 1 of the coupling device 1 of FIG. 2 in a perspective view. Reference is made to the above statements, in particular to FIG. 2.
  • the pressure plate 1 1 has holes on the one hand for receiving the second ends 17 of the first pin 16 and the first leaf spring ends 22 and on the other hand for the second pin 28.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

L'invention concerne un dispositif d'embrayage pour une chaîne cinématique d'un véhicule, comprenant un axe de rotation, un premier élément constitutif d'embrayage servant à l'application d'un couple et un deuxième élément constitutif d'embrayage servant à la transmission d'un couple, le deuxième élément constitutif d'embrayage pouvant être désaccouplé en rotation du premier élément constitutif d'embrayage, le premier élément constitutif d'embrayage comprenant des premiers éléments de friction et le deuxième élément constitutif d'embrayage comprenant des deuxièmes éléments de friction qui peuvent être reliés de manière à permettre la transmission d'un couple, une auto-amplification partielle du dispositif d'embrayage pouvant être réalisée par le biais d'une unité ressort à lames.
EP18712436.7A 2017-03-31 2018-03-08 Dispositif d'embrayage pour une chaîne cinématique d'un véhicule Withdrawn EP3601830A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017106951.8A DE102017106951A1 (de) 2017-03-31 2017-03-31 Kupplungsvorrichtung für einen Antriebsstrang eines Fahrzeuges
PCT/DE2018/100207 WO2018177462A1 (fr) 2017-03-31 2018-03-08 Dispositif d'embrayage pour une chaîne cinématique d'un véhicule

Publications (1)

Publication Number Publication Date
EP3601830A1 true EP3601830A1 (fr) 2020-02-05

Family

ID=61731576

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18712436.7A Withdrawn EP3601830A1 (fr) 2017-03-31 2018-03-08 Dispositif d'embrayage pour une chaîne cinématique d'un véhicule

Country Status (6)

Country Link
US (1) US20200232518A1 (fr)
EP (1) EP3601830A1 (fr)
JP (1) JP2020509320A (fr)
CN (1) CN110462243A (fr)
DE (2) DE102017106951A1 (fr)
WO (1) WO2018177462A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019106896A1 (de) * 2019-03-19 2020-09-24 Schaeffler Technologies AG & Co. KG Reibungskupplung

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2840043B1 (fr) * 2002-05-23 2004-12-03 Antonov Automotive Europ Dispositif de transmission, pour vehicule terrestre, notamment voiturette
CN2699052Y (zh) * 2004-04-26 2005-05-11 宋战修 一种压片式自动离合器
JP4797008B2 (ja) * 2007-09-26 2011-10-19 本田技研工業株式会社 多板クラッチ
US8087504B2 (en) * 2007-11-21 2012-01-03 Yamaha Hatsudoki Kabushiki Kaisha Friction clutch and vehicle equipped with the same
US20130081920A1 (en) * 2011-09-30 2013-04-04 Hamilton Sundstrand Corporation Hydraulic clutch
CN103277422A (zh) * 2013-06-05 2013-09-04 蒋璋璋 一种摩擦离合器技术方案
DE112014001484A5 (de) 2013-03-15 2015-12-10 Schaeffler Technologies AG & Co. KG Kupplungseinrichtung
WO2015135540A1 (fr) 2014-03-12 2015-09-17 Schaeffler Technologies AG & Co. KG Embrayage à friction à commande centrifuge
DE102014211719A1 (de) * 2014-06-18 2015-12-24 Schaeffler Technologies AG & Co. KG Kupplungsscheibe und Reibungskupplungseinrichtung
US20160208868A1 (en) * 2015-01-21 2016-07-21 Paul Austin Automatic clutch with manual override
CN106481693A (zh) * 2015-09-02 2017-03-08 德昌电机(深圳)有限公司 风机、电机组件及其离心摩擦离合器
DE102016204111A1 (de) * 2016-03-14 2017-09-14 Schaeffler Technologies AG & Co. KG Reibungskupplung
DE102016207116B3 (de) 2016-04-27 2017-05-04 Schaeffler Technologies AG & Co. KG Kupplung mit Momentenflussaufteilung zur partiellen Verstärkung

Also Published As

Publication number Publication date
US20200232518A1 (en) 2020-07-23
JP2020509320A (ja) 2020-03-26
DE102017106951A1 (de) 2018-10-04
CN110462243A (zh) 2019-11-15
WO2018177462A1 (fr) 2018-10-04
DE112018001641A5 (de) 2019-12-12

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