WO2023169619A1 - Dispositif de maintien pour sécuriser la position d'un joint annulaire sur un élément piston d'un dispositif esclave - Google Patents

Dispositif de maintien pour sécuriser la position d'un joint annulaire sur un élément piston d'un dispositif esclave Download PDF

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Publication number
WO2023169619A1
WO2023169619A1 PCT/DE2023/100039 DE2023100039W WO2023169619A1 WO 2023169619 A1 WO2023169619 A1 WO 2023169619A1 DE 2023100039 W DE2023100039 W DE 2023100039W WO 2023169619 A1 WO2023169619 A1 WO 2023169619A1
Authority
WO
WIPO (PCT)
Prior art keywords
piston element
torsion
slave
stop
slave device
Prior art date
Application number
PCT/DE2023/100039
Other languages
German (de)
English (en)
Inventor
Kirill PROKHOROV
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 WO2023169619A1 publication Critical patent/WO2023169619A1/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
    • F16D2300/00—Special features for couplings or clutches
    • F16D2300/08—Details or arrangements of sealings not provided for in group F16D3/84
    • 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
    • F16D2300/12—Mounting or assembling

Definitions

  • Holding device for securing the position of a ring seal on a piston element of a slave device
  • the invention relates to a holding device for securing the position of at least one ring seal on a piston element of a slave device, a piston element for a slave device, a slave device for a hybrid or electric vehicle and a drive arrangement for a hybrid or electric vehicle.
  • central slave cylinders are used both in hybrid drives and in electric vehicles and are used to separate an electric motor from the internal combustion engine or to change gears for an electric motor. Therefore, the perfect functionality of a central slave cylinder is very important in terms of its functional safety.
  • a known slave device 100 or a known central release mechanism is shown in a functional state ( Figure 1) and in a non-functional state ( Figure 2).
  • the receiving device 100 which can be designed for use in wet rooms, includes a housing 101 made of z. B. a polymer, a piston element 50, ring seals 55, 56 and a holding device 1.
  • the pressure build-up in the pressure chamber D moves the piston element 50 axially to the housing 101, which makes it possible to actuate a clutch device.
  • a clutch device (not shown) is closed when the piston element 50 is disengaged. As soon as the clutch device is closed, full torque can be transmitted. During the pressure reduction, the piston element 50 moves back to the starting position and the coupling device is opened. This means that torque cannot be transmitted. The coupling device presses the piston element 50 back into the initial state.
  • the holding device 1 limits the axial movement of the two ring seals 55, 56 or the outer ring seal 55 and the inner one Ring seal 56.
  • the holding device 1 thus serves to secure the position against axial displacement of the ring seals 55, 56 on the piston element 50 of the slave device 100.
  • a holding device for securing the position of at least one ring seal on a piston element of a slave device, a piston element for a slave device, a slave device and a drive arrangement for a hybrid or electric vehicle, which can be produced inexpensively and solves the problem shown above or prevents rotation of a ring seal.
  • a first aspect of the present invention comprises a holding device for securing the position of at least one ring seal on a piston element of a slave device.
  • the holding device comprises a contact device for abutting against a first axial end of a piston element of a slave device, wherein the contact device comprises a contact surface.
  • the contact surface is oriented perpendicular to an axial direction in which the holding device can be pushed onto a piston element of a slave device.
  • the contact surface therefore runs radially Direction so that a static sealing lip of a ring seal can abut against it to secure the axial position of the ring seal against displacement along a piston element of a slave device.
  • perpendicular is understood to mean an angular range between 85 and 95 degrees, with said angular range being included between two directions or straight lines.
  • the holding device comprises a fastening device for axially fixed fastening of the holding device to a piston element of a slave device.
  • the fastening device is arranged on the contact device and extends in the axial direction away from the contact device.
  • the holding device has a first and/or second stop device for securing the axial position of an annular seal of a slave device on its piston element.
  • the first and/or second stop device each comprises a stop surface which is aligned with the contact surface of the contact device.
  • the first stop device can be arranged on the fastening device and extend away from the fastening device in the radial direction or in the radial direction outwards.
  • the second stop device it is possible for the second stop device to be arranged on the contact device and to extend in the radial direction away from the contact device or to extend inwards in the radial direction.
  • the holding device comprises a first and/or second anti-torsion device for securing against torsion of an annular seal of a slave device, wherein the first and/or second anti-torsion device extends away from the first and/or second stop device in the axial direction.
  • the first and/or second anti-torsion device can extend in a direction away from the contact device.
  • the first and/or second stop device can extend away from the contact device in the same direction as the fastening device.
  • the first and/or second anti-torsion device forms a holding arm or a cantilever arm element which extends away from the first and/or second stop device and extends in the axial direction.
  • first and/or second anti-torsion device it is therefore possible to intervene in a gap in a ring seal, which can be U-shaped in cross section, in order to at least partially surround the ring seal and to prevent torsion or twisting about an axis that is aligned perpendicular to the axial direction .
  • first and/or second anti-torsion device can be designed to be hollow cylindrical. In this way, sufficient stability can be guaranteed.
  • the first and/or second anti-torsion device can have at least one cantilever arm element in a cross section parallel to the axial direction.
  • a cantilever element serves to surround a ring seal or its static sealing lip together with the stop device and a piston element of a slave device, so that rotation or torsion of the ring seal is not possible.
  • a plurality of first anti-torsion devices can be arranged evenly distributed along the outer circumference of the first stop device. This saves weight and reduces the inertia of the holding device.
  • a plurality of second anti-torsion devices can be arranged equally distributed along the inner circumference of the second stop device.
  • the formation of several anti-torsion devices saves weight and reduces the inertia of the holding device.
  • first and/or second stop device and the first and/or second anti-torsion device can be arranged offset from one another, for example in the axial and/or radial direction. Differently shaped configurations can thus be formed, whereby the holding device can be used in existing slave devices without a slave device having to be structurally changed.
  • the constructive offset of the individual devices in relation to one another makes it possible to take the installation space conditions of an existing holding device into account, so that the holding device can be tailored exactly to the needs in terms of installation space and geometry, for example.
  • a piston element or a pressure chamber can be adapted to a slave device.
  • the contact device, the fastening device, the first and/or second stop device and/or the first and/or second anti-torsion device e.g. B. in the axial and / or in the radial direction, be arranged offset from one another.
  • the constructive offset of the individual devices in relation to one another makes it possible to take the installation space conditions of an existing holding device into account, so that the holding device can be tailored exactly to the needs in terms of installation space and geometry, for example.
  • a piston element or a pressure chamber can be adapted to a slave device.
  • first and/or second anti-torsion device can connect to an end of the first and/or second stop device that is located on the outside in the radial direction.
  • first and/or second anti-torsion device can connect to an end of the first and/or second stop device that is located on the inside in the radial direction.
  • the length of the first and/or second anti-torsion device can be adapted in the axial direction to the length of a static sealing lip of an annular seal of a slave device, so that the first and/or second anti-torsion device can be used to prevent torsion of an annular seal of a slave device on a piston element of a slave device about an axis can be prevented, which is aligned or oriented perpendicular to the axial direction.
  • the length of the first and/or second anti-torsion device in the axial direction can correspond to at least one fifth of the length of an annular seal of a slave device or its static sealing lip in the axial direction. This ensures sufficient coverage of a ring seal in the axial direction.
  • the height of the first and/or second stop device can be adapted in the radial direction to the height of a static sealing lip of an annular seal of a slave device. This makes it the first and/or second stop device possible to position the first and/or second anti-torsion device so that it extends between a static and a dynamic sealing lip of an annular seal in order to prevent rotation or torsion of an annular seal.
  • the fastening device can connect the contact device to the first stop device.
  • the fastening device can thus correctly position the first stop device in order to ensure that an annular seal stops axially.
  • the second stop device can be arranged on the contact device.
  • the second stop device can move the contact device in the radial direction, for example in a straight line and z. B. also extend inwards in the radial direction.
  • the second stop device can move the contact device in the radial direction by at least the height of a static sealing lip of an annular seal of a slave device, for example. B. extend in the radial direction.
  • the contact device can be designed as an annular disk.
  • the fastening device can be designed as a hollow cylinder.
  • the fastening device can comprise at least one latching hook, which can be latched to a latching receptacle of a piston element of a slave device in order to limit movement in the axial direction.
  • the at least one locking hook can be shaped inwards in the radial direction in order to generate a force that is directed inwards in the radial direction.
  • the at least one latching hook can also be located within a latching receptacle, e.g. B. designed as a groove, locked or fixed in a piston element of a slave device.
  • first and/or second stop device can be designed as an annular disk.
  • the second stop device can extend the contact device in the radial direction, so that the inner diameter of the contact device is reduced.
  • the holding device can be formed from a sheet of metal.
  • the holding device can also be designed in one piece.
  • a second aspect of the present invention includes a piston element for a slave device, for example for a central clutch release, for a hybrid or electric vehicle.
  • a piston element for a slave device or for a central clutch release for a hybrid or electric vehicle comprises a first axial end and a second axial end as well as a holding device according to the first aspect.
  • the holding device rests with its contact surface on the first axial end of the piston element.
  • the piston element can comprise a first and/or second shoulder for attaching an annular seal, so that a pressure chamber between the piston element and a housing of a slave device can be sealed.
  • the piston element can comprise an outer and/or inner ring seal for abutting against a housing of a slave device and for abutting against the piston element.
  • the outer and/or inner ring seal can be arranged on the first and/or second shoulder.
  • Each ring seal may include a static sealing lip which seals against the piston element.
  • Each ring seal can also include a dynamic sealing lip, which can seal against a housing of a slave device.
  • Each ring seal can be U-shaped, with the open side of the U-shape being aligned in the axial direction. In other words, the open side of the U-shape can be oriented towards the pressure space.
  • the piston element can be designed as an annular piston element. Furthermore, the piston element can comprise a latching receptacle for at least one latching hook of the fastening device of the holding device in order to restrict or limit a movement of the holding device relative to the piston element in the axial direction.
  • the latching receptacle can be designed as a groove into which at least one latching hook of the fastening device of the holding device can engage in order to attach the holding device to the piston element in an axially fixed manner.
  • a third aspect of the present invention includes a pickup device for a hybrid or electric vehicle.
  • a slave device for a hybrid or electric vehicle includes a housing for forming part of a pressure chamber and a piston element according to the second aspect.
  • a complete pressure chamber can be formed in the interaction of the housing and the piston element, so that the piston element can be moved in the axial direction due to a pressurized fluid.
  • the housing can have an annular gap which is in fluid communication with the pressure chamber, wherein the annular gap can form a transition from an inlet chamber into the pressure chamber, so that a pressurized fluid can flow from the inlet chamber into the pressure chamber or from the pressure chamber into the inlet chamber to move the piston element of the slave device.
  • a fourth aspect of the present invention includes a drive arrangement for a hybrid or electric vehicle. It is explicitly pointed out that the features of the slave device, as mentioned under the third aspect, can be used individually or in combination with one another in the drive arrangement.
  • a drive arrangement for a hybrid or electric vehicle includes a drive housing to form part of an inlet chamber and a slave device according to the third aspect.
  • a complete inlet chamber can be formed in the interaction of the drive housing and the housing of the slave device, so that a pressurized fluid can flow from the inlet chamber into the pressure chamber or drain from the pressure chamber into the inlet chamber in order to move the piston element of the slave device.
  • This idea concerns - presented in simple terms - a holding device which prevents torsion of groove seals or ring seals arranged on a piston element of a slave device.
  • a known holding device or a known sheet metal holding ring can be optimized. To do this, additional material can be bent at both ends of the holding device in the direction of ring seals. This creates two additional supports or
  • Anti-torsion devices that prevent the ring seals from possible torsion.
  • an existing sheet metal for a holding device can be enlarged a little.
  • the additional material at both ends of the holding device can be bent towards ring seals in a punching and forming process.
  • the holding device or the sheet metal holding ring can be mounted on the piston element of a slave device and fixed by means of holding lugs or by means of a fastening device that can engage in the piston element.
  • the support arms or the anti-torsion devices can reach into the space between a static and a dynamic sealing lip of a ring seal. This means that ring seals can neither move axially on the piston element nor twist.
  • Fig. 1 is a sectional view of a receiving device from the
  • Fig. 2 is a sectional view of a receiver device from the
  • Fig. 3 is a sectional view of a take-up device
  • Fig. 4 is a sectional view of a drive arrangement with the
  • Figure 3 shows a sectional view of a receiving device 100.
  • FIG 3 shows a slave device 100 for a hybrid or electric vehicle with a housing 101 to form part of a pressure chamber D.
  • the slave device 100 has a piston element 50, which will be described in more detail.
  • a complete pressure chamber D can be formed, so that the piston element 50 can be moved in the axial direction A due to a pressurized fluid.
  • the housing 101 has an annular gap 102, which is in fluid communication with the pressure chamber D, the annular gap 102 forming a transition from an inlet chamber Z into the pressure chamber D.
  • a pressurized fluid can thus flow from the inlet chamber Z into the pressure chamber D or from the pressure chamber D into the inlet chamber Z in order to move the piston element 50 of the slave device 100.
  • FIG 3 also shows a holding device 1 for securing the position of two ring seals 55, 56 on the piston element 50 of the slave device 100.
  • the holding device 1 has a contact device 2 for abutting against a first axial end 51 of the piston element 50 of the slave device 100, the contact device 2 comprising a contact surface 2A.
  • the contact surface 2A is oriented perpendicular to an axial direction A, in which the holding device 1 can be pushed onto the piston element 50 of the slave device 100.
  • the holding device 1 has a fastening device 3 for axially fixed fastening of the holding device 1 to the piston element 50 of the slave device 100.
  • the fastening device 3 is arranged on the contact device 2 and extends in the axial direction A away from the contact device 2.
  • the holding device 1 has a first and a second stop device 4, 5 for securing the axial position of ring seals 55, 56 of the slave device 100 on its piston element 50.
  • the first and second stop devices 4, 5 each comprise a stop surface 4A, 5A, which is aligned with the contact surface 2A of the contact device 2.
  • the first stop device 4 is arranged on the fastening device 3 and extends away from the fastening device 3 in the radial direction R.
  • the second stop device 5 is arranged on the contact device 2 according to FIG. 3 and extends in the radial direction R away from the contact device 2 or in the radial direction R inwards.
  • the holding device 1 comprises a first and second anti-torsion device 6, 7 for securing against torsion of ring seals 55, 56 of the slave device 100.
  • the first and second anti-torsion devices 6, 7 extend away from the first and second stop devices 4, 5 in the axial direction A. Strictly speaking, the first and second stop devices 4, 5 extend in the same direction away from the contact device 2 as the fastening device 3.
  • both the first and second anti-torsion devices 6, 7 are hollow cylindrical, with both anti-torsion devices 6, 7 having a plurality of cantilever elements in a cross section parallel to the axial direction A.
  • a plurality of first anti-torsion devices 6 are arranged equally distributed along the outer circumference of the first stop device 4 and a plurality of second anti-torsion devices 7 are arranged equally distributed along the inner circumference of the second stop device 5.
  • Figure 3 shows that the first and second stop devices 4, 5 and the first and second anti-torsion devices 6, 7 are arranged offset from one another in the axial and radial directions A, R.
  • first anti-torsion device 6 adjoins an end of the first stop device 4 that is located on the outside in the radial direction R.
  • the second anti-torsion device 7 adjoins an inner end of the second stop device 5 in the radial direction R.
  • the length of the first and second anti-torsion devices 6, 7 in the axial direction A is adapted to the length of static sealing lips 55A, 56A of ring seals 55, 56 of the slave device 100, so that with the help of the first and second anti-torsion devices 6, 7 a torsion a ring seal 55, 56 of the slave device 100 on the piston element 50 of the slave device 100 can be prevented about an axis that is aligned or oriented perpendicular to the axial direction A.
  • the length of the first and second anti-torsion devices 6, 7 corresponds, as shown in Figure 3, in the axial direction A to one third of the length of an annular seal 55, 56 of the slave device 100.
  • the height of the first and second stop devices 4, 5 in the radial direction R is adapted to the height of a static sealing lip 55A, 56A of an annular seal 55, 56 of the slave device 100.
  • the fastening device 3 connects the contact device 2 to the first stop device 4, and that the second stop device 5 is arranged on the contact device 2.
  • the second stop device 5 extends the contact device 2 in the radial direction R, to be precise in a straight line or in the radial direction R inwards. Described even more specifically, the second stop device 5 extends the contact device 2 in the radial direction R by at least the height of a static sealing lip 55A, 56A of an annular seal 55, 56 of the slave device 100.
  • the contact device 2 is designed as an annular disk, with the fastening device 3 being designed as a hollow cylinder.
  • the fastening device 3 has various locking hooks 3A, which can be locked with a locking receptacle 57 of the piston element 50 of the slave device 100 in order to restrict movement of the holding device 1 in the axial direction A.
  • 3 shows that the locking hooks 3A are shaped inwards in the radial direction R in order to generate a force that is directed inwards in the radial direction R. Strictly speaking, the locking hooks 3A snap into place within a locking receptacle 57, designed as a groove, in the piston element 50 of the slave device 100.
  • Figure 3 shows that the first and second stop devices 4, 5 are designed as an annular disk, with the second stop device 5 - as already mentioned - extending the contact device 2 in the radial direction R, so that the inner diameter of the contact device 2 is reduced.
  • the holding device 1 is formed from a sheet metal and is formed in one piece.
  • the slave device 100 has a piston element 50.
  • Figure 3 shows a piston element 50 for a slave device 100 or for a central release mechanism for a hybrid or electric vehicle.
  • the piston element 50 has a first axial end 51 and a second axial end 52.
  • the holding device 1 rests with its contact surface 2A on the first axial end 51 of the piston element 50.
  • Figure 3 shows that the piston element 50 comprises a first and second shoulder 53, 54 each for attaching an annular seal 55, 56, so that a pressure chamber D between the piston element 50 and the housing 101 of the slave device 100 can be sealed.
  • the piston element 50 has an outer and an inner ring seal 55, 56 for abutting against a housing 101 of a slave device 100 and for abutting against the piston element 50.
  • the outer and inner ring seals 55, 56 are arranged on the first and second shoulders 53, 54, respectively.
  • each ring seal 55, 56 has a static sealing lip 55A, 56A, which rests sealingly against the piston element 50. Furthermore, each ring seal 55, 56 has a dynamic sealing lip 55B, 56B, which seals against the housing 101 of the slave device 100. Furthermore, each ring seal 55, 56 is U-shaped, with the open side of the U-shape being aligned in the axial direction A. In other words, the open side of the U-shape is oriented towards the pressure space D.
  • Figure 3 shows that the piston element 50 includes a latching receptacle 57 for latching hooks 3A of the fastening device 3 in order to restrict or limit a movement of the holding device 1 relative to the piston element 50 in the axial direction A.
  • the locking receptacle 57 is designed as a groove into which the locking hooks 3A of the fastening device 3 engage in order to attach the holding device 1 to the piston element 50 in an axially fixed manner or to prevent movement in the axial direction A.
  • Figure 3 shows that the piston element 50 is designed as an annular piston element.
  • Figure 4 shows a sectional view of a drive arrangement 200 with the slave device 100 from Figure 3.
  • the drive arrangement 200 for a hybrid or electric vehicle has a drive housing 201 to form part of an inlet chamber Z and a slave device 100.
  • the slave device 100 according to FIG. 4 is highly similar to the slave device 100 according to FIG. 3, a further description of the slave device 100 is omitted and reference is instead made to the description according to FIG. 3. 4 also shows that in the interaction of the drive housing 201 and the housing 101 of the slave device 100, a complete inlet chamber Z is formed, so that a pressurized fluid flows from the inlet chamber Z into the pressure chamber D or from the pressure chamber D into the inlet chamber Z can to move the piston element 50 of the slave device 100.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

L'invention concerne un dispositif de maintien (1) pour sécuriser la position d'au moins un joint annulaire (55, 56) sur un élément piston (50) d'un dispositif esclave (100), le dispositif de maintien ayant : - un dispositif de contact (2) pour reposer contre une première extrémité axiale (51) d'un élément piston (50) d'un dispositif esclave (100), - le dispositif de contact (2) comprenant une face de contact (2A), qui est orientée perpendiculairement à une direction axiale (A), dans laquelle le dispositif de maintien (1) peut être glissé sur un élément piston (50) d'un dispositif esclave (100), - un dispositif de fixation (3) pour fixer le dispositif de maintien (1) dans une position axialement fixe sur un élément piston (50) d'un dispositif esclave (100), - un premier et/ou un second dispositif d'arrêt (4, 5) pour sécuriser la position axiale d'un joint annulaire (55, 56) d'un dispositif esclave (100) sur l'élément piston (50) de celui-ci, et - un premier et/ou un second dispositif anti-torsion (6, 7) pour sécuriser contre une torsion d'un joint annulaire (55, 56) d'un dispositif esclave (100), - le premier et/ou le second dispositif anti-torsion (6, 7) s'étendant à l'opposé du premier et/ou du second dispositif d'arrêt (4, 5) dans la direction axiale (A). L'invention concerne également un élément piston (50) pour un dispositif esclave (100) pour un véhicule hybride ou électrique, un dispositif esclave (100) pour un véhicule hybride ou électrique, et un ensemble d'entraînement (200) pour un véhicule hybride ou électrique.
PCT/DE2023/100039 2022-03-10 2023-01-19 Dispositif de maintien pour sécuriser la position d'un joint annulaire sur un élément piston d'un dispositif esclave WO2023169619A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022105641.4 2022-03-10
DE102022105641.4A DE102022105641A1 (de) 2022-03-10 2022-03-10 Haltevorrichtung zur Positionssicherung einer Ringdichtung an einem Kolbenelement einer Nehmervorrichtung

Publications (1)

Publication Number Publication Date
WO2023169619A1 true WO2023169619A1 (fr) 2023-09-14

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PCT/DE2023/100039 WO2023169619A1 (fr) 2022-03-10 2023-01-19 Dispositif de maintien pour sécuriser la position d'un joint annulaire sur un élément piston d'un dispositif esclave

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WO (1) WO2023169619A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022133461A1 (de) 2022-12-15 2024-06-20 Schaeffler Technologies AG & Co. KG Kolbenelement für eine Nehmervorrichtung eines hybriden oder elektrischen Fahrzeugs

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1512882A2 (fr) * 2003-09-05 2005-03-09 FTE automotive GmbH & Co. KG Cylindre hydraulique
DE102020113100A1 (de) * 2020-05-14 2021-11-18 Schaeffler Technologies AG & Co. KG Zentralausrückeranordnung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014079430A1 (fr) 2012-11-22 2014-05-30 Schaeffler Technologies AG & Co. KG Unité piston-cylindre
DE102020102408A1 (de) 2020-01-31 2021-08-05 Schaeffler Technologies AG & Co. KG Zentralausrücker und Verfahren zu dessen Herstellung

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1512882A2 (fr) * 2003-09-05 2005-03-09 FTE automotive GmbH & Co. KG Cylindre hydraulique
DE102020113100A1 (de) * 2020-05-14 2021-11-18 Schaeffler Technologies AG & Co. KG Zentralausrückeranordnung

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