DE102012220322A1 - Release system for clutch of motor vehicle, has piston axially displaced inside housing through pressure chamber pressurized with pressure medium and for actuating clutch - Google Patents
Release system for clutch of motor vehicle, has piston axially displaced inside housing through pressure chamber pressurized with pressure medium and for actuating clutch Download PDFInfo
- Publication number
- DE102012220322A1 DE102012220322A1 DE102012220322.2A DE102012220322A DE102012220322A1 DE 102012220322 A1 DE102012220322 A1 DE 102012220322A1 DE 102012220322 A DE102012220322 A DE 102012220322A DE 102012220322 A1 DE102012220322 A1 DE 102012220322A1
- Authority
- DE
- Germany
- Prior art keywords
- piston
- release system
- clutch
- sealing element
- housing
- 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- Withdrawn
Links
Images
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
- F16D25/00—Fluid-actuated clutches
- F16D25/10—Clutch systems with a plurality of fluid-actuated clutches
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2300/00—Special features for couplings or clutches
- F16D2300/18—Sensors; Details or arrangements thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
- F16D25/082—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation
- F16D25/087—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 the clutch being actuated by the fluid-actuated member via a diaphragm spring or an equivalent array of levers
Abstract
Description
Die Erfindung betrifft ein Ausrücksystem für eine Kupplung eines Kraftfahrzeuges, mit mindestens einem innerhalb eines Gehäuses über einen Druckraum mit einem Druckmittel beaufschlagbaren und zur Betätigung eines Ausrücklagers axial verschiebbaren Kolben, an dessen druckraumseitigem Ende ein Dichtelement angeordnet ist, und mit einer aus mindestens einem Referenzgeber und mindestens einem mit diesem in Wirkverbindung stehenden Sensorelement gebildeten Einrichtung zur Wegmessung und/oder Positionsbestimmung des Kolbens.The invention relates to a release system for a clutch of a motor vehicle, with at least one within a housing via a pressure chamber acted upon by a pressure medium and axially movable to actuate a release bearing piston, at the druckraumseitigem end a sealing element is arranged, and with a from at least one reference sensor and at least one device for path measurement and / or position determination of the piston formed with this sensor element in operative connection.
Zur Wegbestimmung oder Positionserfassung in Kupplungsausrücksystemen kommen vielfach technische Lösungen zum Einsatz, die als Magnete ausgebildete Informationsgeber/Referenzgeber im Zusammenwirken mit einem Sensor/einer Sensiereinrichtung verwenden. Üblicherweise ist der Magnet dem Kolben zugeordnet, der die bewegliche Komponente des fluidischen Zylinders darstellt, während der Sensor an dem in Bezug zum Kolben feststehenden Zylindergehäuse befestigt ist. To determine the path or position detection in Kupplungsausrücksystemen often technical solutions are used, use the trained as magnets information transmitter / reference encoder in cooperation with a sensor / a sensing device. Typically, the magnet is associated with the piston, which is the movable component of the fluidic cylinder, while the sensor is fixed to the cylinder housing fixed with respect to the piston.
So offenbart die
Dem Sensor ist ein axial verschiebbar geführtes Magnetelement zugeordnet, das mit einem am Innenring befestigten Ringkörper zur Mitnahme durch den Ringkolben bei dessen axialen Verschiebungen axial spielfrei verbunden ist. Dazu ist das Magnetelement über seinen Verschiebeweg in einem gleich bleibenden Abstand zum Sensor am Gehäuse verschiebbar geführt, wobei er mit einem Führungsschuh in eine Umfangsnut des Ringkörpers eingreift. The sensor is associated with an axially displaceably guided magnetic element which is axially connected without play with a ring body attached to the inner ring for driving through the annular piston at the axial displacements. For this purpose, the magnetic element is displaceably guided over its displacement in a constant distance from the sensor on the housing, wherein it engages with a guide shoe in a circumferential groove of the annular body.
Die
Andere bekannte Lösungen sehen ein Einkleben des Referenzgebers (Targets) direkt am Kolben vor.Other known solutions provide for gluing the reference sensor (targets) directly on the piston.
Das Befestigen des Magneten beispielsweise mittels Einkleben ist kostenaufwendig und bedeutet eine erschwerte Montage. Auch benötigen die Lösungen des Standes der Technik einen relativ großen Bauraum. Dieser ist häufig nicht vorhanden. Insbesondere trifft dies auf hydraulisch betätigte Doppelkupplungen zu, die meist als Doppel-CSC (Concentric Slave Cylinder) oder als eine Kombination aus CSC und Mehrkolbenausrücker aufgebaut sind. Auch hier erfolgt die Wegmessung üblicherweise berührungslos durch induktive Sensoren oder Hall-Sensoren, die an dem Gehäuse des Zylinders angebracht sind und die Bewegung der betätigten Kolben erfassen. Aus Bauraumgründen, axial und radial, ist es in den meisten Fällen nicht möglich, einen Sensor für den inneren Kolben zu platzieren. The attachment of the magnet, for example by means of gluing is costly and means a difficult assembly. Also, the solutions of the prior art require a relatively large amount of space. This is often not available. In particular, this applies to hydraulically operated double clutches, which are usually constructed as a double-CSC (Concentric Slave Cylinder) or as a combination of CSC and multi-piston release. Again, the distance measurement is usually carried out without contact by inductive sensors or Hall sensors, which are mounted on the housing of the cylinder and detect the movement of the actuated piston. For space reasons, axial and radial, it is not possible in most cases to place a sensor for the inner piston.
Bei einem in der
Als Nachteil erweist sich bei diesem Kupplungsausrücksystem, dass auf Grund der Abmessungen des Referenzgebers (Stiftes) ein bestimmter Bauraum benötigt wird, der entsprechend große Aussparungen im Kolben und im Gehäuse verlangt. Das Befestigen des Referenzgebers erfordert zudem einen großen Aufwand und relativ hohe Kosten.A disadvantage proves in this Kupplungsausrücksystem that due to the dimensions of the reference encoder (pin) a certain space is required, which requires correspondingly large recesses in the piston and the housing. The attachment of the reference encoder also requires a lot of effort and relatively high costs.
Die Aufgabe der Erfindung besteht deshalb darin, ein Ausrücksystem für eine Kupplung eines Kraftfahrzeuges zu schaffen, bei welchem in einem begrenzten Bauraum eine einfache und kostengünstige Wegmessung/Positionsbestimmung zumindest eines Kolbens möglich ist. Insbesondere soll diese Lösung aber auch bei Doppelkupplungen anwendbar sein und eine Wegmessung/Positionsbestimmung beider Kolben realisieren. The object of the invention is to provide a release system for a clutch of a motor vehicle, in which in a limited space a simple and cost-effective distance measurement / position determination of at least one piston is possible. In particular, this solution but also in double clutches be applicable and realize a distance measurement / position determination of both pistons.
Diese Aufgabe wird mit den Merkmalen des ersten Patentanspruchs gelöst. Vorteilhafte Ausgestaltungen ergeben sich aus den Unteransprüchen.This object is achieved with the features of the first claim. Advantageous embodiments emerge from the subclaims.
Bei einem Ausrücksystem für eine Kupplung eines Kraftfahrzeuges, mit mindestens einem innerhalb eines Gehäuses über einen Druckraum mit einem Druckmittel beaufschlagbaren und zur Betätigung eines Ausrücklagers axial verschiebbaren Kolben, an dessen druckraumseitigem Ende ein Dichtelement angeordnet ist, und mit einer aus mindestens einem Referenzgeber und mindestens einem mit diesem in Wirkverbindung stehenden Sensorelement gebildeten Einrichtung zur Wegmessung und/oder Positionsbestimmung des Kolbens ist erfindungsgemäß der Referenzgeber zwischen dem Kolben und dem Dichtelement angeordnet.In a release system for a clutch of a motor vehicle, with at least one within a housing via a pressure chamber acted upon by a pressure medium and axially movable to actuate a release bearing piston, at the druckraumseitigem end a sealing element is arranged, and with one of at least one reference sensor and at least one formed with this operatively connected sensor element means for displacement measurement and / or position determination of the piston according to the invention, the reference encoder between the piston and the sealing element.
Der vorzugsweise als ein Magnetelement ausgebildete Referenzgeber ist in vorteilhafter Weise zwischen einem an dem Kolben befestigten Dichtungsträger und dem Dichtelement angeordnet. The preferably designed as a magnetic element reference encoder is arranged between an attached to the piston seal carrier and the sealing element in an advantageous manner.
Dabei ist der Referenzgeber/das Magnetelement in einer Aussparung des Dichtelementes aufgenommen. Das Dichtelement ist zusammen mit dem Magnetelement in das druckraumseitige Ende des Kolbens oder in den Dichtungsträger einpressbar, wobei es auch axial und radial fixierbar ist. In this case, the reference transmitter / the magnetic element is received in a recess of the sealing element. The sealing element can be pressed together with the magnetic element in the pressure-chamber-side end of the piston or in the seal carrier, wherein it is also axially and radially fixable.
In vorteilhafter Weise sind zwei Kolben eingesetzt, die zur Betätigung einer Doppelkupplung vorgesehen sind. Dabei ist der erste Kolben Teil einer aus mindestens zwei Einzelkolben bestehenden ersten Gruppe und der zweite Kolben Teil einer aus mindestens zwei Einzelkolben bestehenden zweiten Gruppe, wobei beide Gruppen auf gleichen oder unterschiedlichen Teilkreisdurchmessern des Gehäuses angeordnet sind. Vorzugsweise sind die Kolben hier nierenförmig ausgebildet. Advantageously, two pistons are used, which are provided for actuating a double clutch. In this case, the first piston is part of a first group consisting of at least two individual pistons and the second piston is part of a second group consisting of at least two individual pistons, wherein both groups are arranged on the same or different pitch circle diameters of the housing. Preferably, the pistons are kidney-shaped here.
Eine andere vorteilhafte Ausführung sieht vor, dass der/die Kolben ringförmig ausgebildet und in einem einfachen CSC oder in einer CSC-Doppelkupplung eingesetzt ist/sind. Another advantageous embodiment provides that the / the piston is annular and used in a simple CSC or in a CSC dual clutch / are.
Eine weitere vorteilhafte Ausführung sieht vor, dass der/die Kolben in einer Kombination aus CSC und Mehrkolbenausrücker eingesetzt ist/sind.A further advantageous embodiment provides that the / the piston is / are used in a combination of CSC and Mehrkolbenausrücker.
Die Erfindung wird nachfolgend anhand eines Ausführungsbeispiels und zugehöriger Zeichnungen näher erläutert. The invention will be explained in more detail with reference to an embodiment and associated drawings.
Es zeigen:Show it:
In
Die Erfindung wird hier am Beispiel des/der Kolben(s)
Wie aus
Das Magnetelement
Eine andere, hier nicht dargestellte, Ausführungsform sieht eine direkte Befestigung des Dichtelementes
Durch die erfindungsgemäße Anordnung/Befestigung des Referenzgebers/Magnetelementes
Durch das Fixieren des Magnetelementes
Die vorzugsweise in Doppelkupplungsanwendungen mit Nierenkolben eingesetzte Erfindung kann ebenso sowohl für Einfach- als auch für Doppel-CSC mit ringförmig ausgebildeten Kolben Verwendung finden. The invention preferably used in double-clutch applications with a kidney piston can also be used for both single and double CSCs with annular pistons.
Somit wurde ohne Vergrößerung des Bauraums eine kompakte funktionsfähige Lösung geschaffen, die zudem kostengünstig ist und eine einfache Montage ermöglicht.Thus, a compact functional solution was created without increasing the space, which is also inexpensive and allows easy installation.
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 11
- Kolben piston
- 22
- Kolben piston
- 33
- Sensorelement sensor element
- 44
- Sensorelement sensor element
- 55
- Dichtelement sealing element
- 5.15.1
- Aussparung recess
- 66
- Dichtungsträger seal carrier
- 6.16.1
- Ausnehmung recess
- 77
- Referenzgeber/Magnetelement Reference Encoder / magnetic element
- AA
- Längsachse longitudinal axis
- GG
- Gehäuse casing
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 202006014024 U1 [0003] DE 202006014024 U1 [0003]
- DE 102008057643 A1 [0005] DE 102008057643 A1 [0005]
- DE 102009056380 A1 [0008] DE 102009056380 A1 [0008]
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012220322.2A DE102012220322A1 (en) | 2012-11-08 | 2012-11-08 | Release system for clutch of motor vehicle, has piston axially displaced inside housing through pressure chamber pressurized with pressure medium and for actuating clutch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012220322.2A DE102012220322A1 (en) | 2012-11-08 | 2012-11-08 | Release system for clutch of motor vehicle, has piston axially displaced inside housing through pressure chamber pressurized with pressure medium and for actuating clutch |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102012220322A1 true DE102012220322A1 (en) | 2014-05-08 |
Family
ID=50489816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102012220322.2A Withdrawn DE102012220322A1 (en) | 2012-11-08 | 2012-11-08 | Release system for clutch of motor vehicle, has piston axially displaced inside housing through pressure chamber pressurized with pressure medium and for actuating clutch |
Country Status (1)
Country | Link |
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DE (1) | DE102012220322A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018001412A1 (en) * | 2016-06-27 | 2018-01-04 | Schaeffler Technologies AG & Co. KG | Rotor bearing sensor assembly with sensor arrangement on both sides and clutch disengagement system |
WO2018099510A1 (en) * | 2016-11-29 | 2018-06-07 | Schaeffler Technologies AG & Co. KG | Piston-cylinder assembly, in particular for a clutch actuation device of a vehicle |
CN109322939A (en) * | 2017-07-31 | 2019-02-12 | 舍弗勒技术股份两合公司 | Sensor integration for clutch yoke |
DE102018101572B3 (en) | 2018-01-24 | 2019-04-04 | Schaeffler Technologies AG & Co. KG | Clutch release with movable relative to the piston magnet for detecting the position of the piston |
CN111788404A (en) * | 2018-03-01 | 2020-10-16 | 舍弗勒技术股份两合公司 | The piston is provided with a slave cylinder connected with a sensor component; operating device and clutch system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202006014024U1 (en) | 2006-09-08 | 2006-11-09 | Fte Automotive Gmbh | Clutch release bearing for hydraulically operated unit, comprises magnetic element positioned tolerance free but radial movable inside groove |
DE102008057643A1 (en) | 2007-12-03 | 2009-06-04 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Central releasing unit for e.g. determining position of motor vehicle's piston, has magnet fixed to axially aligned surface of flange element by clipping and/or gluing, and sensor element fixed at housing |
DE102009056380A1 (en) | 2008-12-11 | 2010-06-17 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Clutch disengaging system for double clutch of vehicle, has recesses provided in common housing and adapted to length of piston disengaging path in area of reference sensor provided in mantle surface |
-
2012
- 2012-11-08 DE DE102012220322.2A patent/DE102012220322A1/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202006014024U1 (en) | 2006-09-08 | 2006-11-09 | Fte Automotive Gmbh | Clutch release bearing for hydraulically operated unit, comprises magnetic element positioned tolerance free but radial movable inside groove |
DE102008057643A1 (en) | 2007-12-03 | 2009-06-04 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Central releasing unit for e.g. determining position of motor vehicle's piston, has magnet fixed to axially aligned surface of flange element by clipping and/or gluing, and sensor element fixed at housing |
DE102009056380A1 (en) | 2008-12-11 | 2010-06-17 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Clutch disengaging system for double clutch of vehicle, has recesses provided in common housing and adapted to length of piston disengaging path in area of reference sensor provided in mantle surface |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018001412A1 (en) * | 2016-06-27 | 2018-01-04 | Schaeffler Technologies AG & Co. KG | Rotor bearing sensor assembly with sensor arrangement on both sides and clutch disengagement system |
WO2018099510A1 (en) * | 2016-11-29 | 2018-06-07 | Schaeffler Technologies AG & Co. KG | Piston-cylinder assembly, in particular for a clutch actuation device of a vehicle |
CN110023643A (en) * | 2016-11-29 | 2019-07-16 | 舍弗勒技术股份两合公司 | Piston cylinder assembly, the piston cylinder assembly particularly for operation device for vehicle clutch |
CN110023643B (en) * | 2016-11-29 | 2021-11-02 | 舍弗勒技术股份两合公司 | Piston cylinder assembly, in particular for a vehicle clutch actuation device |
CN109322939A (en) * | 2017-07-31 | 2019-02-12 | 舍弗勒技术股份两合公司 | Sensor integration for clutch yoke |
DE102018101572B3 (en) | 2018-01-24 | 2019-04-04 | Schaeffler Technologies AG & Co. KG | Clutch release with movable relative to the piston magnet for detecting the position of the piston |
CN111788404A (en) * | 2018-03-01 | 2020-10-16 | 舍弗勒技术股份两合公司 | The piston is provided with a slave cylinder connected with a sensor component; operating device and clutch system |
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Legal Events
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---|---|---|---|
R081 | Change of applicant/patentee |
Owner name: SCHAEFFLER TECHNOLOGIES AG & CO. KG, DE Free format text: FORMER OWNER: SCHAEFFLER TECHNOLOGIES AG & CO. KG, 91074 HERZOGENAURACH, DE Effective date: 20140214 Owner name: SCHAEFFLER TECHNOLOGIES AG & CO. KG, DE Free format text: FORMER OWNER: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, 91074 HERZOGENAURACH, DE Effective date: 20150408 |
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R005 | Application deemed withdrawn due to failure to request examination |