WO2021239178A1 - Dispositif actionneur pour un module d'embrayage d'un véhicule et module d'embrayage d'un véhicule - Google Patents

Dispositif actionneur pour un module d'embrayage d'un véhicule et module d'embrayage d'un véhicule Download PDF

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Publication number
WO2021239178A1
WO2021239178A1 PCT/DE2021/100389 DE2021100389W WO2021239178A1 WO 2021239178 A1 WO2021239178 A1 WO 2021239178A1 DE 2021100389 W DE2021100389 W DE 2021100389W WO 2021239178 A1 WO2021239178 A1 WO 2021239178A1
Authority
WO
WIPO (PCT)
Prior art keywords
drive shaft
housing element
actuator device
housing
connection
Prior art date
Application number
PCT/DE2021/100389
Other languages
German (de)
English (en)
Inventor
Fadil Mahracha
Markus Heitbaum
Marc Finkenzeller
Original Assignee
Schaeffler Technologies AG & 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 & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Publication of WO2021239178A1 publication Critical patent/WO2021239178A1/fr

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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
    • 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
    • F16D25/083—Actuators therefor
    • 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

Definitions

  • the invention relates to an actuator device for a clutch assembly of a vehicle and a clutch assembly of a vehicle with an actuator device.
  • an actuator device for a clutch assembly of a vehicle comprises a housing element for connection to a drive shaft.
  • the actuator device has a piston element for moving a pressure plate of a clutch assembly.
  • the actuator device comprises a pressure space between the housing element and the piston element, which by receiving or dispensing fluid Distance between housing element and piston element changed, whereby a pressure plate of a clutch assembly can be moved towards or away from a clutch disc.
  • the actuator device has a non-destructively detachable and attachable connecting device in order to connect the housing element to a drive shaft.
  • the housing element and a drive shaft can be designed so that they can be connected to one another in a rotationally secure or torsionally secure manner, so that torques of the drive shaft can be transmitted to the housing element.
  • housing element and the piston element can be designed so that they allow a relative rotation to one another, but a force can be transmitted in the axial direction from the housing element to the piston element and vice versa by flowing a fluid into the pressure chamber or from the pressure chamber.
  • the piston element and the housing element in a space-neutral manner, so that, for example, they can be used in a hybridized dual clutch transmission.
  • This can be achieved in particular in that the piston element and the housing element have a shape that is disk-like or plate-like, for example similar to the housing of a clutch.
  • the non-destructive detachable and attachable connecting device for connecting the housing element to a drive shaft can be designed so that the housing element can be arranged directly or indirectly with its outside on a drive shaft.
  • the housing element can also be designed such that its inside, which forms part of the pressure chamber, can be tensioned against the drive shaft in order to fasten the housing element to the drive shaft.
  • the non-destructively detachable and attachable connecting device can have a connecting section for the rotationally secure connection of the housing element to a drive shaft.
  • the connecting section can be formed by the housing element, wherein, for example, the connection section can be formed close to the axis of rotation of the piston element. Due to the arrangement close to the axis of rotation, centrifugal forces, for example on connecting elements that are introduced into the connecting section, can be reduced.
  • the connecting section can have at least one passage for a connecting element which connects the housing element to a drive shaft in the axial direction, whereby the housing element can be secured to a drive shaft in the axial direction.
  • the connecting section can extend in the axial direction and have a hollow cylindrical shape with an inner and an outer jacket surface.
  • the connecting section prefferably has a plurality of passages for connecting elements, the passages being arranged symmetrically about the axis of rotation of the piston element. In this way, connecting forces between the connecting portion of the housing element can be distributed over several connecting elements and centrifugal forces can be compensated.
  • the plurality of passages can be adapted to a plurality of connecting receptacles of a hub element of the connecting device in terms of number and geometric arrangement. This facilitates the assembly of the Aktorvor direction.
  • the connecting section can have at least one passage for a connecting element which connects the housing element to a drive shaft in the axial direction, whereby the housing element can be secured to a drive shaft in the axial direction.
  • the connecting section can also extend in the axial direction and, in cross-section along the axis of rotation, have a shape similar to a double T-beam. It is possible that the connecting section formed by the double T-beam is arranged in relation to the axis of rotation in such a way that the double-T-beam is aligned symmetrically to the axis of rotation.
  • the connecting section can have a single passage, the axis of which is arranged congruently to the axis of rotation of the piston element.
  • a splined shaft profile, polygonal profile, splined shaft profile or serration is formed on the outer surface of the connecting section, which can be connected to a corresponding mating profile in order to connect the housing element to a drive shaft via a non-positive and / or positive connection connect to.
  • the outer jacket surface can be designed without a profile for a frictional connection in order to connect the housing element to a drive shaft via a non-positive connection.
  • non-destructive detachable and attachable connecting device can have a hub element for the rotationally secure connection of the housing element to a drive shaft.
  • the hub element can have a part of a shaft-hub connection, which can be formed without a profile or by means of a splined shaft profile, polygonal profile, splined shaft profile or serration, which can be connected to a corre sponding counter profile.
  • the housing element can be connected to a drive shaft via a non-positive and / or positive connection.
  • the hub element can be connected on its inner lateral surface to a drive shaft, for example the hub element having at least one connec tion receptacle for a connection element which connects the housing element to the hub element in the axial direction.
  • the housing element can be secured to a drive shaft in the axial direction.
  • the hub element can also have a plurality of connection receptacles for connec tion elements, the connection receptacles being arranged symmetrically about the axis of rotation of the hub element.
  • a torque that is transmitted from a drive shaft to the hub element can be securely transmitted to the housing element via the plurality of connection receptacles for connection elements or via the plurality of connection elements.
  • the multiplicity of connection receptacles to be adapted to a multiplicity of passages of a connection section of the connection device in terms of number and geometric arrangement. This facilitates the assembly of the actuator device or the installation of the actuator device on a drive shaft.
  • connection receptacle can have a thread for screwing with a connecting element.
  • the housing element can be connected to the hub element, in particular when screws are used as connecting elements.
  • a you telement for sealing the pressure chamber can be arranged between the hub element and the piston element, in particular the connecting section which is formed by the housing element.
  • This sealing element is used to seal the pressure space, which is partially formed by the housing element and the hub element.
  • the hub element can be designed as a hollow cylinder and have a splined shaft profile, polygonal profile, toothed shaft profile or serration on its inner surface in order to connect the housing element to a drive shaft via a non-positive and / or positive connection.
  • the inner jacket surface can also be designed without a profile for a frictional connection in order to connect the housing element to a drive shaft via a non-positive connection.
  • the inner jacket surface of the hub element can be connected to the housing element, in particular to the outer jacket surface of the connecting section of the connecting device.
  • the piston element can have at least one opening through which a tool and connecting element can be inserted in order to detach the housing element from a drive shaft or to attach it to it.
  • the piston element can reach through to the housing element in order to fasten the housing element in a simple manner to a drive shaft or to detach it therefrom.
  • the piston element can have a plurality of openings for connecting elements, the openings being arranged symmetrically about the axis of rotation of the piston element.
  • the multiplicity of openings can be adapted to a multiplicity of connection receptacles of a hub element of the connection device and / or to the multiplicity of passages of a connection section of the connection device in terms of number and geometric arrangement. In this way it can be ensured that through the one-time relative alignment of the piston element to the housing element, all connecting elements that connect the housing element directly or indirectly to a drive shaft can be reached from the piston element.
  • the piston element has one closure device per opening, wherein the closure device can be designed as a closure plug.
  • the sealing plug can also have a sealing element, in particular an O-ring, for resting against the outside of the piston element. In this way, an improved seal can be achieved.
  • a second aspect of the present invention includes a clutch assembly of a vehicle.
  • a clutch assembly of a vehicle has as an input side an actuator device according to the first aspect, which can be connected to a drive shaft.
  • the clutch assembly comprises, as the output side, a transmission element that can be connected to a transmission input side, the transmission element producing or interrupting a torque transmission through a releasable connection with the input side.
  • the clutch assembly comprises at least one connecting element, formed as a screw, wherein either the at least one connecting element connects the housing element to the hub element, or the housing element can be connected to a drive shaft with a single connecting element.
  • the actuator device and a drive shaft can share a common axis of rotation.
  • the actuator device can comprise a pressure element, a pressure plate and a movement transmission element, which connects the pressure plate to the piston element of the actuator device, so that a displacement of the piston element causes a displacement of the movement transmission element and thus the pressure plate.
  • the pressure element can be fastened on the outside of the housing element of the Aktorvor device, and can be arranged in relation to the pressure plate in such a way that it presses a clutch disc onto the pressure element.
  • the transmission element can comprise an output element and a clutch disc, which is arranged between the pressure element and the pressure plate and can be connected to a transmission via the output element.
  • a fluid for the pressure chamber can be made available through a bore in the drive shaft.
  • This idea preferably relates - in simplified form - to a space-neutral actuator device with a piston element rotating relative to one another and a housing element, between which a pressure chamber is arranged.
  • This solution can consist, among other things, in that an axial and tangential fastening of the actuator device as well as its dismantling (e.g. when visiting a workshop) can be guaranteed.
  • the actuator device has a non-destructively detachable and attachable connecting device in order to connect the housing element to a drive shaft.
  • the present invention provides a solution to the above-mentioned problem in such a way that the actuator device or its housing element can be fastened, in particular screwed, to a drive shaft.
  • Fig. 1 is a sectional view of a coupling assembly with a
  • FIG. 2A shows an enlargement from FIG. 1;
  • FIG. 2B shows an enlargement from FIG. 1 with a tool for
  • Fig. 3 is a sectional view of a coupling assembly with a
  • Actuator device according to a second embodiment.
  • Figure 1 shows a sectional view of a clutch assembly 20 with an Aktorvor device 1 according to a first embodiment, where Figure 2A shows an enlargement from Figure 1 as well as Figure 2B, whereas Figure 2B also shows a tool for assembly and disassembly.
  • FIGS. 1, 2A and 2B are described together below.
  • FIGS. 1, 2A and 2B show a clutch assembly 20 of a vehicle which has an actuator device 1 as its input side, which can be connected to a drive shaft 30 (indicated by dashed lines). Furthermore, the clutch assembly 20 has a transmission element 22, 26 as the output side, which can be connected to a transmission input side, the transmission element 22, 26 producing or interrupting a torque transmission through a releasable connection to the input side.
  • FIGS. 1 to 2B show that the coupling assembly 20 has a multiplicity of connecting elements 23, each designed as a screw.
  • the connecting elements 23 connect a housing element 2 of the actuator device 1 to a hub element 9 of the actuator device 1.
  • the actuator device 1 comprises a pressure element 24, a pressure plate 21 and a movement transmission element 25 which connects the pressure plate 21 to the piston element 3 of the actuator device 1.
  • a displacement of the piston element 3 thus causes a displacement of the movement transmission element 25 and thus the pressure plate 21.
  • the pressing element 24 is fastened on the outside of the housing element 2 of the actuator device 1 and is arranged in relation to the pressure plate 21 in such a way that it presses a clutch disk 22 onto the pressing element 24.
  • the clutch disk 22 and an output element 26 form the transmission member 22, 26, the clutch disk 22 being arranged between the pressure element 24 and pressure plate 21 and being connectable to a transmission via the output element 26.
  • FIGS. 1, 2A and 2B show an actuator device 1 for a clutch assembly 20.
  • the actuator device 1 comprises a housing element 2 for connection to the drive shaft 30, a piston element 3 for moving a pressure plate 21 of a clutch assembly 20, and a pressure chamber 4.
  • the pressure chamber 4 is arranged between the housing element 2 and the piston element 3, which changes the distance between the housing element 2 and the piston element 3 by receiving or releasing fluid. As a result, a pressure plate 21 of a clutch assembly 20 can be moved towards or away from a clutch disc 22.
  • the actuator device 1 has a non-destructive detachable and attachable connection device 5 in order to connect the housing element 2 to the drive shaft 30.
  • the actuator device 1 and the drive shaft 30 ideally share a common axis of rotation D.
  • the non-destructive detachable and fastenable connecting device 5 for connecting the housing element 2 to the drive shaft 30 is designed so that the outside of the housing element 2 is arranged directly on the drive shaft 30.
  • the housing element 2 is also designed such that its inside, which forms part of the pressure chamber 4, can be tensioned against the drive shaft 30 in order to fasten the housing element 3 to the drive shaft 30.
  • the non-destructive detachable and attachable connecting device 5 has a connecting section 6 for the rotationally secure connection of the housing element 2 to the drive shaft 30, the connecting section 6 being formed by the housing element 2.
  • FIG. 1 also shows that the connecting section 6 is formed close to the axis of rotation D of the piston element 3.
  • the connecting section 6 has a multiplicity of passages 7 for connecting elements 23 which connect the housing element 2 to the drive shaft 30 in the axial direction A.
  • the housing element 2 can be secured in the axial direction A to the drive shaft 30 or can be connected to the drive shaft 30 in a rotationally secure or torque-secure manner.
  • the passages 7 are arranged symmetrically about the axis of rotation D of the piston element 3 in order to prevent imbalances.
  • the connecting portion 6 extends in the axial direction A and has a hollow cylindrical shape with an inner and outer shell surface.
  • FIGS. 1 to 2B show that the non-destructively detachable and attachable connection device 5 has a hub element 9 for the rotationally secure connection of the housing element 2 to the drive shaft 30.
  • the hub element 9 can be connected to the drive shaft 30 on its inner circumferential surface IM and forms part of a shaft-hub connection. It can Hub element 9 on its inner lateral surface IM have a spline, polygonal profile, splined shaft profile or serration to connect the housing element 2 to the drive shaft 30 via a non-positive and / or positive connection to ver.
  • the inner jacket surface IM is designed without a profile for a frictional connection in order to connect the housing element 2 to the drive shaft 30 via a force-locking connection.
  • the hub element 9 has a plurality of connection receptacles 10 for connection elements 23, which connect the housing element 2 to the hub element 9 in the axial direction A.
  • connection elements 23 which connect the housing element 2 to the hub element 9 in the axial direction A.
  • connection receptacles 10 are arranged symmetrically about the axis of rotation D of the hub element 9, the plurality of connection receptacles 10 being adapted to the plurality of passages 7 of the connecting section 6 of the connecting device 5 in terms of number and geometric arrangement.
  • the connecting receptacles 10 each have a thread.
  • FIGS. 1, 2A, 2B show that a sealing element 11, designed as an O-ring, for sealing the pressure chamber 4 is arranged between the hub element 9 and the piston element 3, in particular the connecting section 6 which is formed by the housing element 2 is.
  • a sealing element 11 designed as an O-ring
  • FIGS. 1, 2A and 2B show that it has a large number of openings 12 through which a tool W (see FIG to loosen or to attach to it.
  • the openings 12 are arranged symmetrically about the axis of rotation D of the piston element 3.
  • FIG. 1 in particular shows that the plurality of openings 12 is matched to the plurality of connection receptacles 10 of the hub element 9 of the connecting device 5 and to the plurality of passages 7 of the connecting section 6 of the connecting device 5 in terms of number and geometric arrangement.
  • connecting elements 23 can through the piston element ment 3 can be inserted into the housing element 2 in such a way that the housing element 2 is connected to the hub element 9, whereby a connection to the drive shaft 30 can also be established.
  • FIG. 1 shows that the piston element 3 has a closure device 13 per opening 12, which is designed as a closure plug.
  • the sealing plug has a sealing element 14, in particular an O-ring, for resting against the outside of the piston element 3.
  • the housing element 2 can be connected to the hub element 9, whereby a connection to the drive shaft 30 can be adjusted. All that is required for this is a rotation of the piston element 3 relative to the housing element 2 or hub element 9.
  • FIG. 3 shows a sectional view of a clutch assembly 20 with an actuator device 1 according to a second exemplary embodiment, the clutch assembly 20 not being shown again for better explanation.
  • FIG. 3 likewise shows an actuator device 1 for a clutch assembly 20 of a vehicle.
  • the actuator device 1 according to FIG. 3 like the actuator device 1 according to FIG. 1, has a housing element 2 for connecting to the drive shaft 30, a piston element 3 for moving a pressure plate 21 of a clutch assembly 20 and a pressure chamber 4.
  • the actuator device 1 has a non-destructive detachable and attachable Ver connecting device 5 to connect the housing element 2 to the drive shaft 30. the.
  • the actuator device 1 and a drive shaft 30 ideally share a common axis of rotation D.
  • the connecting section 6 has a single passage 8 for a connecting element 23, which connects the housing element 2 to the drive shaft 30 in the axial direction A.
  • the housing element 2 can be secured in the axial direction A on the drive shaft 30.
  • the connecting portion 6 extends in the axial direction A and has a shape similar to a double-T beam in cross section along the axis of rotation D, the axis of the passage 8 being arranged congruently to the axis of rotation D of the piston element 3.
  • a splined shaft profile, polygonal profile, toothed shaft profile or serration is formed on the outer circumferential surface AM of the connecting section 6, which can be connected to a corresponding mating profile in order to connect the housing element 2 to the drive shaft 30 via a non-positive and / or positive connection .
  • outer jacket surface AM is designed without a profile for a frictional connection in order to connect the housing element 2 to the drive shaft 30 via a force-fitting connection.
  • FIG. 3 shows that the hub element 9 is designed as a hollow cylinder and has a splined shaft profile, polygonal profile, toothed shaft profile or serration on its inner lateral surface IM in order to connect the housing element 2 to the drive shaft 30 via a non-positive and / or positive connection .
  • the inner jacket surface IM is designed without a profile for a frictional connection in order to connect the housing element 2 to the drive shaft 30 via a force-locking connection.
  • the hub element 9 is connected on its inner lateral surface IM to the housing element 2, in particular to the outer lateral surface AM of the connec tion section 6 of the connecting device 5.
  • FIG. 1 Figures 1 to 3 are briefly summarized again below. It can be seen from the figures that the actuator housing element 2 can be fastened to a hub element 9 (FIGS. 1 to 2B) or directly to a drive shaft 30 (FIG. 3) by means of screws 23.
  • the O-ring or the sealing element 11 is attached between the housing element 2 and the hub element 9 (see FIGS. 1 to 2B).
  • the screws 23 or the connecting elements 23 are screwed on or unscrewed through the openings 12.
  • the connecting element 23 can be reached by pushing a tool W through an opening 12 (see FIG. 2B). These openings 12 are sealed by screwing on a closure device 13 or a closure plug 13 including O-rings 14 or sealing elements 14.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Abstract

L'invention concerne un dispositif actionneur (1) pour un module d'embrayage (20) d'un véhicule, ledit dispositif comprenant : - un élément de carter (2) destiné à être relié à un arbre d'entraînement (30), - un élément de piston (3) servant à déplacer un plateau de pression (21) d'un module d'embrayage (20), et - une chambre à fluide sous pression (4) entre l'élément de carter (2) et l'élément de piston (3), qui modifie la distance entre l'élément de carter (2) et l'élément de piston (3) par admission ou évacuation de fluide, un plateau de pression (21) d'un module d'embrayage (20) pouvant ainsi être amené vers un disque d'embrayage (22) ou éloigné de celui-ci. Selon l'invention, le dispositif actionneur (1) comprend un dispositif de liaison (5) pouvant être fixé et ôté de manière non destructive, afin de relier l'élément de carter (2) à un arbre d'entraînement (30). L'invention concerne en outre un module d'embrayage (20) d'un véhicule, comprenant un dispositif actionneur (1).
PCT/DE2021/100389 2020-05-27 2021-04-29 Dispositif actionneur pour un module d'embrayage d'un véhicule et module d'embrayage d'un véhicule WO2021239178A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020114131.9 2020-05-27
DE102020114131.9A DE102020114131B4 (de) 2020-05-27 2020-05-27 Aktorvorrichtung für eine Kupplungsbaugruppe eines Fahrzeuges und Kupplungsbaugruppe eines Fahrzeuges

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WO2021239178A1 true WO2021239178A1 (fr) 2021-12-02

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PCT/DE2021/100389 WO2021239178A1 (fr) 2020-05-27 2021-04-29 Dispositif actionneur pour un module d'embrayage d'un véhicule et module d'embrayage d'un véhicule

Country Status (2)

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DE (1) DE102020114131B4 (fr)
WO (1) WO2021239178A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61130624A (ja) * 1984-11-29 1986-06-18 Hino Motors Ltd 油圧クラッチ
EP2707616A1 (fr) * 2011-05-11 2014-03-19 Schaeffler Technologies GmbH & Co. KG Double embrayage pour véhicules à moteur
DE112015002458T5 (de) * 2014-07-29 2017-02-16 Aisin Aw Co., Ltd. Hybridantriebsvorrichtung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61130624A (ja) * 1984-11-29 1986-06-18 Hino Motors Ltd 油圧クラッチ
EP2707616A1 (fr) * 2011-05-11 2014-03-19 Schaeffler Technologies GmbH & Co. KG Double embrayage pour véhicules à moteur
DE112015002458T5 (de) * 2014-07-29 2017-02-16 Aisin Aw Co., Ltd. Hybridantriebsvorrichtung

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DE102020114131A1 (de) 2021-12-02
DE102020114131B4 (de) 2022-08-18

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