WO2016124188A1 - Verwendung eines csc-betätigungszylinders sowie verfahren zum betrieb eines kupplungsaggregats - Google Patents
Verwendung eines csc-betätigungszylinders sowie verfahren zum betrieb eines kupplungsaggregats Download PDFInfo
- Publication number
- WO2016124188A1 WO2016124188A1 PCT/DE2016/200054 DE2016200054W WO2016124188A1 WO 2016124188 A1 WO2016124188 A1 WO 2016124188A1 DE 2016200054 W DE2016200054 W DE 2016200054W WO 2016124188 A1 WO2016124188 A1 WO 2016124188A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- clutch
- vibration damper
- actuating
- primary side
- motor vehicle
- Prior art date
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
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
- F16D3/14—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions combined with a friction coupling for damping vibration or absorbing shock
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
- F16F15/131—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses
- F16F15/13121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses characterised by clutch arrangements, e.g. for activation; integrated with clutch members, e.g. pressure member
-
- 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
- F16D2013/703—Pressure members, e.g. pressure plates, for clutch-plates or lamellae; Guiding arrangements for pressure members the pressure plate on the flywheel side is combined with a damper
-
- 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
Definitions
- the invention relates to a clutch unit, a use of a CSC
- Betchanistszyl inders and a method for operating a clutch unit, by means of which a motor shaft of an automotive engine with at least one transmission input shaft of a motor vehicle transmission can be coupled.
- a double clutch for a dual clutch transmission is known, which can couple a motor shaft of an automotive engine with a first transmission input shaft and / or a second transmission input shaft of the dual clutch transmission.
- the double clutch can be actuated by means of an actuating unit having two concentric annular cylinder for axially displacing each of a piston by means of a hydraulic actuating medium and thereby as CSC-actuating cylinder (CSC: concentric slave cylinder) is configured
- a clutch unit for coupling an engine shaft of a motor vehicle engine with at least one transmission input shaft of a motor vehicle operation is provided with a vibration damper, in particular two-mass flywheel, for damping torsional vibrations in the rotational speed of the motor coming from the motor vehicle torque, wherein the vibration damper coupled to the motor shaft primary side and a relative to the primary side movable secondary side, a clutch, in particular friction clutch for selectively inducing and / or separating a torque transmission between the motor shaft and the transmission input shaft and a locking device for selectively, in particular rotationally fixed, coupling the primary side of the vibration with the secondary side of the vibration damper.
- a vibration damper in particular two-mass flywheel
- the vibration damper has with the primary side and, in particular via a spring, relatively movable secondary side a vibratory system which can rock at a resonant frequency in the speed of the torque introduced with increasing amplitudes in the relative movement of the secondary side to the primary side.
- the frequency of the rotational speed substantially corresponds to the natural frequency of the oscillatory system of the vibration damper.
- the secondary side can be coupled to the primary side via an energy storage element in the form of a bow spring, in which case the bow spring can be pressed together in block form between the primary side and the secondary side, thus producing large sudden moments ("Impacts "), which are the components of the vibration damper but also other component components of the powertrain can damage.
- the locking device By means of the locking device, at least one friction between the primary side and the secondary side can be increased in a given resonance range of the rotational speed, in which a resonance-induced rocking of the relative movement of the secondary side to the primary side is to be expected. By increasing friction increases the damping ratio of the oscillatory system of the vibration, so that too strong suggestions can be avoided. It is possible with the help of
- Locking device to provide the increased friction only in the resonance range of the speed in the introduced torque and outside the resonance range to provide the additional friction provided by the locking device, so that a high efficiency with low friction losses in the transmission of the torque is ensured in the clutch unit.
- a permanently effective friction ring which is intended to provide a deliberate damping effect in the vibration damper, so that friction losses can be further reduced and the efficiency further improved.
- the vibration damper can be characterized in particular free of permanently effective friction means for providing a damping effect.
- the locking device, the secondary side with the primary side rotatably, in particular form-fitting, couple, so that adverse vibration movements of the vibration in the resonance range can be avoided.
- the effect of the vibration damper can optionally be switched off with the aid of the locking device.
- the vibration damper can be mechanically bridged by means of the locking device, so that the vibration damper can act as a rigid transmission element.
- the vibration damper to avoid the initiation of resonance-induced sudden torque peaks in the clutch unit can be damped and / or blocked as needed, so that a drive train for a motor vehicle with low component loads is possible.
- the locking device can in particular be connected to a control device with the aid of which a critical operating region of the vibration damper can be detected.
- the control device, the speed of the motor shaft of the motor vehicle engine are supplied, so that the control device can check whether the current speed is in the resonance range or threatens the To enter resonance area.
- the control device can the
- the locking device Activate the locking device and bring about a frictional and / or positive coupling of the primary side with the secondary side and / or amplify.
- the resonance range of the vibration damper it is possible for the resonance range of the vibration damper to be traversed with the rotational speed of the motor shaft, in particular if the clutch is partially actuated, for example, if the clutch has a clutch It is even possible that the current rotational speed passes through the resonance range of the vibration damper only slowly or even temporarily remains in the resonance range. so that, for example, at an initiated engine start and / or initiated engine stop the locking device can be operated directly without having to wait for the occurrence of the speed in the resonance range.
- an actuating unit for actuating the clutch wherein the actuating unit has an actuatable by means of an actuating medium actuator for actuating the clutch and the locking device up.
- the locking device can thereby be integrated into the operation unit for operating the clutch anyway provided operating unit, so that space can be saved.
- the actuating unit has in particular a housing, which is both a part of the actuator and a part of
- Locking device forms.
- the actuating device and the locking device with the aid of the same actuating medium are operable.
- the actuating unit for example, hydraulically and / or pneumatically actuated, wherein the coming of a pressure source actuating medium both the actuator and the
- Arretier nails can be supplied. This makes it possible to use the pressure source provided anyway for the actuator also for the locking device, so that a separate pressure source for the locking device is saved.
- a suitable valve in the actuating unit that is provided by a control device for actuating the locking device can be so that the locking device can be connected or disconnected as needed to the pressure source.
- the locking device can be moved by means of a restoring element, for example a spring, into a defined starting position when the pressure source is separated from the locking device. With the help of the pressure from the pressure source, the locking device can be moved out of the starting position and automatically moved back into the starting position with the aid of the restoring element.
- the actuating device of the actuating unit are formed by a first piston axially displaceably mounted in a first piston and the locking device of the actuating unit by a second cylinder axially displaceably mounted in a second piston, wherein the first cylinder and the second cylinder are arranged substantially coaxially to each other ,
- the actuator is thereby configured as a CSC (CSC: concentric slave cylinder), but the individual cylinder / piston units are not used to actuate different partial clutches of a dual clutch. Instead, one of the cylinder / piston units is used to form the locking device and not to switch a partial clutch of a dual clutch.
- the friction clutch is designed as a double clutch for coupling the engine with a first transmission input shaft of the motor vehicle transmission and / or a second transmission input shaft of the motor vehicle transmission
- the actuating unit has a further actuating device, wherein in particular the further actuating device by a third axially displaceably mounted in a third cylinder third piston is formed, wherein the third cylinder in the We- is arranged substantially coaxially with the first cylinder and / or the second cylinder.
- two cylinder / piston units may be provided for actuating in each case a partial clutch of the double clutch, while a further cylinder / piston unit is provided for forming the locking device.
- the actuating unit can be configured as a CSC actuating cylinder with a total of three concentrically arranged ring cylinders.
- the locking device is designed for the frictional and / or positive coupling of the primary side of the vibration damper to the secondary side of the vibration damper.
- a primary side optionally over a friction lining, in particular in the axial direction, are pressed against the secondary side, so that increases the friction and thus the damping of the vibration damper by the impressed by the locking friction force.
- a relative movement of the primary side to the secondary side can be prevented by means of a stop.
- a claw which can be displaced axially by the locking device can bring about a rotationally fixed connection of the primary side to the secondary side, for example in the form of a dog clutch or a synchronizing ring.
- the locking device engages via a mechanical coupling to the vibration damper, wherein in particular the mechanical coupling has a displaceable in the axial direction pressure element, in particular pressure pot, up, wherein in particular the pressure element by means of one of the vibration damper
- Locking device pivotable lever element in particular a pivotable about a pivot point extending in the circumferential direction plate spring, is displaceable in the axial direction.
- the lever element is pivotably mounted in particular on a clutch cover of the clutch.
- a force applied in the axial direction by the locking device can be translated or reduced by the lever element and the force converted by the lever element can be transmitted to the pressure element.
- the pressure element can in turn be displaced in the axial direction in order to bring about a frictional and / or positive coupling of the primary side with the secondary side and / or cancel.
- the invention further relates to the use of a CSC actuation cylinder both for actuating a clutch and for frictionally and / or positively coupling a primary side of a vibration damper which can be coupled to a motor shaft of an automobile engine for damping torsional vibrations in the rotational speed of a torque coming from the motor vehicle engine a secondary side of the vibration damper which can be moved relative to the primary side, in particular in a clutch unit which can be developed and developed as described above.
- the CSC-Betuschistszylidner (CSC: concentric slave cylindre), in addition to an actuator for actuating the friction clutch form a locking device for frictional and / or positive coupling of the primary side to the secondary side, wherein by means of the locking device of the vibration damper to avoid the initiation of resonance-induced sudden torque peaks can be damped and / or blocked in the clutch unit as needed, so that a drive train for a motor vehicle with low component loads is possible.
- the invention further relates to a method for operating a clutch unit, which may be in particular as described above and further developed for coupling an engine shaft of an automotive engine having at least one transmission input shaft of a motor vehicle transmission, wherein the clutch unit is a vibration damper, in particular dual mass flywheel, for damping torsional vibrations in the rotational speed of the torque coming from the motor vehicle engine, wherein the vibration damper has a primary side which can be coupled to the motor shaft and a secondary side which can be moved relative to the primary side, and a clutch, in particular a friction clutch, for selectively inducing and / or separating torque transmission between the motor shaft and the transmission input shaft and in a resonant speed n R of the
- Vibration damper having resonance range in which rock the relative movements of the primary side to the secondary side due to resonance, which is coupled to the vibration damper rotational speed of the primary side to the secondary side frictionally and / or positively coupled.
- the vibration damper can be damped as required to avoid the initiation of resonance-induced sudden torque peaks in the clutch unit and / or be quenched, so that a drive train for a motor vehicle with low component loads is possible.
- the method may be in particular as described above with reference to the clutch unit off and further developed.
- Fig. 1 a schematic diagram of a drive train
- FIG. 2 shows a schematic detail view of a part of a clutch unit of the drive train from FIG. 1.
- the drive train 10 shown in FIG. 1 has an automotive engine 12 configured as an internal combustion engine, which is connected to a clutch 16 designed as a friction clutch via a vibration damper 14 designed as a dual mass flywheel.
- the vibration damper 14 has a primary side 18, to which a secondary side 20 is limited relatively rotatable.
- the primary side 18 can be coupled via a designed as a bow spring 22 energy storage element.
- the secondary side 20 simultaneously forms a counter-plate 24 of the clutch 16, to which a pressure plate 26 of the clutch 16 can be relatively displaced in the axial direction to between the counter-plate 24 and the pressure plate 26 can be coupled to a transmission input shaft of a motor vehicle transmission not shown To be able to press the clutch disc frictionally.
- an actuating unit 28 is provided for actuating the clutch 16.
- the vibration damper 14, the clutch 16 and the actuating unit 28 form a clutch unit 29.
- the actuating unit 28 has an actuating device 30, which can be activated directly or indirectly on the pressure plate 26.
- the actuating device 30 has a first cylinder 32, in which a first piston 34 is displaceably guided in the axial direction.
- the first piston 34 can engage, for example, on a pivotable lever spring designed in the manner of a diaphragm spring, which can axially displace the pressure plate 26 for opening and / or closing the clutch 16 when the first piston 34 is axially displaced via its pivotal movement.
- the actuating unit 28 is configured as a CSC actuating cylinder, which has a second cylinder 36 concentrically arranged to the first cylinder 32, in which a second piston 38 is guided displaceably in the axial direction.
- the second piston 38 engages via a mechanical coupling 40 to the vibration damper 14, so that a locking device 42 is formed by the second cylinder 36 and the engaging on the mechanical coupling 40 with the vibration damper 14 second piston 38.
- locking elements 44 of the primary side 18 and the secondary side 20 can be frictionally and / or positively coupled to one another, for example, as friction surfaces and / or claws, so that a relative movement of the secondary side 20 to the primary side 18 can be braked and / or eliminated , As a result, a resonant oscillation of the vibration damper 14 in a resonance region can be avoided by a mechanical bridging of the vibration damper 14 with the aid of the locking device 42.
- the mechanical coupling 40 has, in particular, a lever element 46, which can be pivoted in the manner of a plate spring about a pivot point extending in the circumferential direction, which, with a displacement of the second piston 38, transmits the axial movement of the second piston 38 with a specific transmission ratio to a rod-shaped or cup-shaped pressure element 48 can transmit to connect the locking elements 44 together and / or separate.
- a lever element 46 which can be pivoted in the manner of a plate spring about a pivot point extending in the circumferential direction, which, with a displacement of the second piston 38, transmits the axial movement of the second piston 38 with a specific transmission ratio to a rod-shaped or cup-shaped pressure element 48 can transmit to connect the locking elements 44 together and / or separate.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112016000599.7T DE112016000599A5 (de) | 2015-02-04 | 2016-01-28 | Kupplungsaggregat, Verwendung eines CSC-Betätigungszylinders sowie Verfahren zum Betrieb eines Kupplungsaggregats |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015201891 | 2015-02-04 | ||
DE102015201891.1 | 2015-02-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016124188A1 true WO2016124188A1 (de) | 2016-08-11 |
Family
ID=55587984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2016/200054 WO2016124188A1 (de) | 2015-02-04 | 2016-01-28 | Verwendung eines csc-betätigungszylinders sowie verfahren zum betrieb eines kupplungsaggregats |
Country Status (2)
Country | Link |
---|---|
DE (2) | DE102016201217A1 (de) |
WO (1) | WO2016124188A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022207079A1 (de) | 2022-07-11 | 2024-01-11 | Psa Automobiles Sa | Antriebsstrang für ein Kraftfahrzeug und Verfahren zum Betrieb desselben |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6388345A (ja) * | 1986-09-30 | 1988-04-19 | Daikin Seisakusho:Kk | フライホイ−ル組立体 |
US20030213672A1 (en) * | 2002-05-14 | 2003-11-20 | Ford Global Technologies, Inc. | Variable inertia flywheel |
US20040154896A1 (en) * | 2003-02-06 | 2004-08-12 | Braford Thomas E. | Torsional damper having variable bypass clutch with centrifugal release mechanism |
EP1524446A1 (de) | 2003-10-17 | 2005-04-20 | LuK Lamellen und Kupplungsbau Beteiligungs KG | Kupplungsaggregat |
DE102007003107A1 (de) * | 2006-01-16 | 2007-08-02 | Borgwarner Inc., Auburn Hills | Dreifachkupplung für Hybridantrieb mit Doppelkupplungsgetriebe |
DE102008004150A1 (de) | 2007-01-31 | 2008-08-07 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Drehmomentübertragungseinrichtung |
US20120234131A1 (en) * | 2011-03-16 | 2012-09-20 | GM Global Technology Operations LLC | Dual-mass flywheel lock-out clutch |
US20130165240A1 (en) * | 2011-12-23 | 2013-06-27 | GM Global Technology Operations LLC | Torsional damper assembly |
DE102013222068A1 (de) * | 2012-11-06 | 2014-05-08 | GM Global Technology Operations, LLC (n.d. Ges. d. Staates Delaware) | Kraftmaschinen-dämpferüberbrückung für hybridantriebsstränge |
DE102014205045A1 (de) * | 2013-04-02 | 2014-10-02 | Schaeffler Technologies Gmbh & Co. Kg | Drehmomentübertragungseinrichtung |
-
2016
- 2016-01-28 WO PCT/DE2016/200054 patent/WO2016124188A1/de active Application Filing
- 2016-01-28 DE DE102016201217.7A patent/DE102016201217A1/de not_active Withdrawn
- 2016-01-28 DE DE112016000599.7T patent/DE112016000599A5/de not_active Withdrawn
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6388345A (ja) * | 1986-09-30 | 1988-04-19 | Daikin Seisakusho:Kk | フライホイ−ル組立体 |
US20030213672A1 (en) * | 2002-05-14 | 2003-11-20 | Ford Global Technologies, Inc. | Variable inertia flywheel |
US20040154896A1 (en) * | 2003-02-06 | 2004-08-12 | Braford Thomas E. | Torsional damper having variable bypass clutch with centrifugal release mechanism |
EP1524446A1 (de) | 2003-10-17 | 2005-04-20 | LuK Lamellen und Kupplungsbau Beteiligungs KG | Kupplungsaggregat |
DE102007003107A1 (de) * | 2006-01-16 | 2007-08-02 | Borgwarner Inc., Auburn Hills | Dreifachkupplung für Hybridantrieb mit Doppelkupplungsgetriebe |
DE102008004150A1 (de) | 2007-01-31 | 2008-08-07 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Drehmomentübertragungseinrichtung |
US20120234131A1 (en) * | 2011-03-16 | 2012-09-20 | GM Global Technology Operations LLC | Dual-mass flywheel lock-out clutch |
US20130165240A1 (en) * | 2011-12-23 | 2013-06-27 | GM Global Technology Operations LLC | Torsional damper assembly |
DE102013222068A1 (de) * | 2012-11-06 | 2014-05-08 | GM Global Technology Operations, LLC (n.d. Ges. d. Staates Delaware) | Kraftmaschinen-dämpferüberbrückung für hybridantriebsstränge |
DE102014205045A1 (de) * | 2013-04-02 | 2014-10-02 | Schaeffler Technologies Gmbh & Co. Kg | Drehmomentübertragungseinrichtung |
Also Published As
Publication number | Publication date |
---|---|
DE112016000599A5 (de) | 2017-12-21 |
DE102016201217A1 (de) | 2016-08-04 |
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