EP1948972A2 - Dispositif convertisseur de couple hydrodynamique pour chaine cinematique d'automobile - Google Patents

Dispositif convertisseur de couple hydrodynamique pour chaine cinematique d'automobile

Info

Publication number
EP1948972A2
EP1948972A2 EP06805470A EP06805470A EP1948972A2 EP 1948972 A2 EP1948972 A2 EP 1948972A2 EP 06805470 A EP06805470 A EP 06805470A EP 06805470 A EP06805470 A EP 06805470A EP 1948972 A2 EP1948972 A2 EP 1948972A2
Authority
EP
European Patent Office
Prior art keywords
energy storage
storage device
free end
tab
vibration damper
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP06805470A
Other languages
German (de)
English (en)
Inventor
Mario Degler
Stephan Maienschein
Jan Loxtermann
Thorsten Krause
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schaeffler Buehl Verwaltungs GmbH
LuK Lamellen und Kupplungsbau GmbH
Original Assignee
LuK Lamellen und Kupplungsbau Beteiligungs KG
LuK Lamellen und Kupplungsbau GmbH
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 LuK Lamellen und Kupplungsbau Beteiligungs KG, LuK Lamellen und Kupplungsbau GmbH filed Critical LuK Lamellen und Kupplungsbau Beteiligungs KG
Publication of EP1948972A2 publication Critical patent/EP1948972A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • 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
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H2045/007—Combinations of fluid gearings for conveying rotary motion with couplings or clutches comprising a damper between turbine of the fluid gearing and the mechanical gearing unit
    • 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
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0221—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means
    • F16H2045/0226—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means comprising two or more vibration dampers
    • 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
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0221—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means
    • F16H2045/0226—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means comprising two or more vibration dampers
    • F16H2045/0231—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means comprising two or more vibration dampers arranged in series
    • 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
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0221—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means
    • F16H2045/0247—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means having a turbine with hydrodynamic damping means
    • 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
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0273—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type characterised by the type of the friction surface of the lock-up clutch
    • F16H2045/0284—Multiple disk type lock-up clutch

Definitions

  • Hydrodynamic torque converter device for a motor vehicle
  • the invention relates to a hydrodynamic torque converter device for a motor vehicle drive train, which has a torsional vibration damper, a converter torus formed by a pump impeller, a turbine wheel and a stator, and a converter lockup clutch.
  • a hydrodynamic torque converter device for a motor vehicle drive train which has a two in series energy storage devices, namely spring devices having torsional vibration damper, as well as formed by a pump, a turbine and a stator Wandlertorus and a lockup clutch. Based on the radial direction of the axis of rotation of the torsional vibration damper, the two energy storage devices are radially spaced from each other, so that one of these energy storage devices forms an inner and the other an external energy storage device.
  • the torque converter lockup clutch has an axially displaceable piston which, on its side facing the converter housing, is provided with a friction lining, so that it can be pressed against the converter housing in order to close the converter lockup clutch.
  • This piston simultaneously forms an input part of the (radially) outer energy storage device and has for the loading of the energy storage of the outer energy storage device drive elements.
  • control elements run - relative to the axial direction of the torsional vibration damper formed by the axis of rotation of the torsional vibration damper - initially offset axially to the energy storage of the outer energy storage device in radially outer regions of this energy storage, are bent there, and then each inclined to radially inward in the region of those energy storage front page , to the respective load they are provided. Based on the representation of FIG. 4 of DE 103 58 901 A1, these control elements thus each extend from radially outside or from above to the respective end face of the respective energy store of the outer energy storage device. From FIGS.
  • hydrodynamic torque converter devices are known in which the control elements are formed on an input part of the outer energy storage device which is non-rotatably connected via a pin with a piston of the aforementioned type, and - relative to the axis of rotation of the torsional vibration damper - axially in the radial center of the respective energy storage of outer energy storage device to the respective end face of this loadable by the respective drive element energy storage device run.
  • the drive elements relative to the illustration of FIGS. 5 and 6 of DE 103 58 901 A1, run radially in the center or from the side to the respective end face of the respective outer energy store.
  • the object of the invention is to provide a hydrodynamic torque converter device for a motor vehicle drive train provided with a torsional vibration damper and a converter lockup clutch provided with a converter lockup clutch, which can be manufactured easily and, when integrated in a motor vehicle drive train - allows rotational shocks of an internal combustion engine to be reliably compensated for or transferred only to a slight extent in the direction of the drive axle (s) of the motor vehicle.
  • a hydrodynamic torque converter device for a motor vehicle drive train which has a torsional vibration damper, a converter torus formed by a pump impeller, a turbine wheel and a stator, and a converter lockup clutch.
  • transducer torus a device referred to herein as “transducer torus” is sometimes referred to as “(hydrodynamic torque) transducer”;
  • (hydrodynamic torque) converter is partially used in prior publications also for devices comprising a torsional vibration damper, a lockup clutch and a device formed by a pump, a turbine wheel and a stator or - in the diction of the present disclosure - a Have transducer torus.
  • the first energy storage device has one or more first energy storage devices
  • the second energy storage device has one or more second energy storage devices
  • the second energy storage device is connected in series, so that when the converter lockup clutch is closed, the first energy storage device is arranged in the torque flow between the converter lockup clutch and the second energy storage device.
  • At least one intermediate part or first component connected in series with these two energy storage devices is provided.
  • a torque which can be transmitted or transmitted by this converter lockup clutch when the converter lockup clutch is closed can be transmitted to this at least one intermediate part or first component by means of the first energy storage device, and from this intermediate part or first component via the second energy storage device in the direction of Output side of the hydrodynamic torque converter device can be transmitted.
  • the turbine wheel of the converter torus has an outer turbine shell.
  • This outer turbine shell is - rotatably coupled to the intermediate part or with the first component - for example by means of several rotatably coupled together driver parts or by means of a driver. But it can also be provided that such a driver part or a portion or extension of the outer turbine shell forms the intermediate part or first component or one of a plurality of intermediate parts or first components, via which or by means of which - at least when the lockup clutch is closed - a torque from the first energy storage device to the second energy storage device is transferable.
  • the outer turbine shell or an extension of the outer turbine shell forms the or an intermediate part or first component, via which or by means of which - at least when the converter lockup clutch is closed - a torque transferable from the first energy storage device to the second energy storage device is.
  • an input part of the first energy storage device is provided.
  • This input part of the first energy storage device has in each case at least one lug forming a free end and a non-free end for loading a respective end face of a respective first energy store. It is thus provided in particular that the input part for each first energy store of the first energy storage device has one or at least one tab via which the respective energy store can be loaded, in particular on the input side or on the input side of the first energy storage device.
  • the respective non-free end of a respective tab is located radially inwardly of the free end of that respective tab with respect to the radial direction of the axis of rotation of the torsional vibration damper.
  • the free end and the non-free end of a provided for the load of a first energy storage device of the first energy storage device tab of the input part of the first energy storage device are arranged such that through this free end, in particular any point or the center of this free End, and this non-free end, in particular by any point or the center of this non-free end, extending connecting straight with an aligned radially to the axis of rotation of the torsional vibration damper straight line forms an angle which - in particular in terms of magnitude - less than 70 °, preferably smaller than 60 °, preferably less than 50 °, preferably less than 40 °, preferably less than 30 °, preferably less than 20 °, preferably less than 10 °.
  • a hydrodynamic torque converter device is also proposed in particular. It is provided in particular that at least one, for loading a, in particular input side, end face or - side of a first energy storage of the first energy storage device provided La The projection of this tab in a projection plane spanned by this end side intersects the outer circumference of this end face projected into this projection plane at least once. It may be provided that this outer circumference of this end face is anyway in the projection plane, so that this projected outer circumference with the (non-projected) outer circumference is identical, or that this outer circumference is at least partially outside the projection plane, which may be the case for example if the face or page in question is not or not exactly in a plane.
  • this projected tab in the projection plane separates this projected outer circumference of this end face or side at least once, this projected outer circumference and this projected tab form one or more cut lines in this projection plane.
  • this projected tab in the projection plane separates this projected outer perimeter of this face exactly once
  • this projected outer perimeter and this projected tab form exactly one cut line in this projection plane
  • this projected flap in the projection plane several times separates this projected outer periphery of this end face
  • this projected outer periphery and this projected flap in this projection plane form a plurality of cutting lines spaced along the projected outer periphery of that end face or overlapping or abutting one another run.
  • This first cutting line is arranged in the named projection plane in a region of the respective first energy store which is located radially inward with respect to the radial direction of the axis of rotation of the torsional vibration damper, in particular completely.
  • the first cutting line is located in particular - with respect to the radial direction of the axis of rotation of the torsional vibration damper - radially within the central line of action of the relevant first energy storage or radially within the point at which this central line of action penetrates said projection plane, located, in particular completely.
  • the outer circumference of the end face of the first energy store is preferably a front side of this - according to the radial direction of the end face advantageously given - radially outwardly delimiting circumference.
  • each extending for loading a respective, in particular each input side, end face or side of a respective first energy storage of the first energy storage device provided tab of the input part of the first energy storage device in the manner described above, in which case the projected outer circumference of the end face or page of the first energy storage or this end face or side belongs to each of the first energy storage, which is acted upon by the respective tab.
  • the addressed projections are, in particular, projections perpendicular to the (respective) projection plane or projections which are projected into the projection plane essentially along concentric orbits around the axis of rotation of the torsional vibration damper (imaginary).
  • the first cutting line in particular completely, in the mentioned projection plane in such - in relation to the radial direction of the axis of rotation of the Torsionsschwingungsdämpfers- radially inwardly located region of the respective first energy storage arranged that these first section line in said projection plane - related Radial direction of the axis of rotation of the torsional vibration damper - radially within the central line of action of this first energy storage or radially within the point at which this line of action this projection plane pierces is located, within a mirror-symmetrical about this force line of action or the corresponding point extending radial Straight extending region, seen in the circumferential direction of this (projected) face or side maximum 140 °, preferably at most 120 °, preferably at most 100 °, preferably at most 80 °, vorz It covers a maximum of 60 °, preferably a maximum of 40 °, preferably a maximum of 20 ° covered.
  • the first energy storage device on first energy storage, which - relative to the circumferential direction of the axis of rotation of the Torsionsschwingungs- damper - circumferentially distributed and / or arranged spaced.
  • first energy storage devices can be designed, for example, as spiral springs or as bow springs or as pressure springs that are currently formed.
  • the first energy storage device may thus be in particular a first spring device.
  • the second energy storage device which is, for example, a second spring device, a plurality - relative to the circumferential direction of the axis of rotation of the torsional vibration damper - distributed circumferentially and / or arranged spaced second energy storage.
  • the second energy storage are in an advantageous embodiment coil springs or straight formed compression springs or bow springs.
  • the first energy storage arc springs and the second energy storage are just trained compression springs.
  • one or the respective tab of the input part extends such that it has between its non-free end and its free end a portion in which it extends straight. It can be provided, for example, that this tab has in its projection in the said projection plane in the region bounded or enclosed by the projected outer circumference of the end face which can be loaded by it such a section in which it extends straight.
  • This straight section can, for example, extend radially, with respect to the radial direction of the axis of rotation of the torsional vibration damper, in particular in such a way that its projection into said projection plane passes through the central line of action or the point or puncture point formed by it in this projection plane ,
  • a straight trained portion of the tab extends to the free end of this tab.
  • a connecting path which connects in the mentioned projection plane a point of the first cutting line to a point of the free end of the relevant strap has a reference to the radial direction of the axis of rotation of the torsional vibration damper - radially extending straight line passing through the central force line of action of the respective first energy store or the piercing point formed by this force line of action in the said projection plane, an angle which is less than 50 °, preferably less than 40 °, preferably smaller than 30 °, preferably less than 20 °, preferably less than 10 °.
  • the (respective) tab of the input part of the first energy storage device extends in such a way that it - based on the Radial direction of the end face of the first energy store - this end face in radially substantially opposite, each radially outwardly substantially located areas of this end face - in particular there in each case engaging - can act.
  • the torsional vibration damper is rotatable about an axis of rotation.
  • Fig. 1 shows a first embodiment of a hydrodynamic according to the invention
  • Fig. 1a is an enlarged detail of Fig. 1;
  • Fig. 2 shows a second embodiment of a hydrodynamic according to the invention
  • Fig. 2a is an enlarged detail of Fig. 2;
  • Fig. 3 shows a third embodiment of a hydrodynamic according to the invention
  • FIG. 3a shows an enlarged detail of Fig. 3rd
  • FIGS. 1a, 2a and 3a each show an enlarged detail of FIGS. 1, 2 and 3, respectively.
  • the hydrodynamic torque converter device 1 is intended for a drive train of a motor vehicle or forms part of a motor vehicle drive train, which is schematically illustrated by the reference numeral 2.
  • the hydrodynamic torque converter device 1 comprises a torsional vibration damper 10, one of a pump pen wheel 20, a turbine wheel 24 and a stator 22 formed Wandlertorus 12, and a lockup clutch 14 on.
  • the torsional vibration damper 10, the transducer torus 12 and the lockup clutch 14 are accommodated in a converter housing 16.
  • the converter housing 16 is substantially non-rotatably connected to a drive shaft 18, which is for example the crankshaft or engine output shaft of an internal combustion engine.
  • the transducer torus 12 has - as mentioned - a pump or an impeller 20, a stator 22 and a turbine or a turbine wheel 24, which cooperate in a conventional manner.
  • a Wandertorus 12 a Wandlertorus- interior or a Torusinneres 28, which is or is provided for the absorption of oil or for an oil flow.
  • the turbine wheel 24 has a turbine shell 26 which forms a directly adjacent to the converter interior 28 and provided for a boundary of the converter interior 28 wall portion 30.
  • An extension 32 of the turbine shell 26 adjoins the wall section 30 immediately adjacent to the converter interior 28. This extension 32 has a straight or annular shaped section 34.
  • This straight-shaped section 34 of the extension 32 may, for example, be such that it is essentially straight in the radial direction of the axis of rotation 36 of the torsional vibration damper 10 and, in particular as an annular section, lies in a plane perpendicular to the axis of rotation 36 or spans it.
  • the torsional vibration damper 10 has a first, designed in particular as a spring device, energy storage device 38 and a second, designed in particular as a spring device, energy storage device 40.
  • the first energy storage device 38 has a first energy store 42, such as spiral springs or bow springs, arranged in a circumferential direction extending around the rotation axis 36 and having a plurality of spaced-apart ones. It can be provided that all first energy storage 42 are designed identically. It can also be provided that differently designed first energy store 42 are provided.
  • a first energy store 42 such as spiral springs or bow springs
  • the second energy storage device 40 has a plurality of, for example, each designed as a spiral spring or straight (pressure) spring, second energy storage 44.
  • a plurality of second energy storage 44 circumferentially - with respect to the circumferential direction of the rotation axis 36 - spaced from each other. It can be provided that the second energy storage 44 are each designed identically; different second energy storage 44 can also be designed differently.
  • the second energy storage device 40 is arranged radially within the first energy storage device 38, relative to the radial direction of the rotation axis 36.
  • the first 38 and the second energy storage device 40 are connected in series.
  • the torsional vibration damper 10 has a first component 46, which is arranged between the first 38 and the second energy storage device 40 or connected in series with these energy storage devices 38, 40. It is therefore provided in particular that - for example, with the converter lock-up clutch 14 closed - a torque from the first energy storage device 38 via the first component 46 to the second energy storage device 40 is transferable;
  • the first component 46 may also be referred to as an intermediate part 46, which will also be done below.
  • the turbine shell 26 is connected to this intermediate part 46 such that a load, in particular torque and / or force, can be transmitted from the turbine shell 26 to the intermediate part 46.
  • a driver part 50 is provided between the turbine shell 26 and the intermediate part 46 or in the load flow, in particular torque or force flow, between the turbine shell 26 and the intermediate part 46. It can also be provided that the extension 32 also forms the intermediate part 46 and / or the driver part 50, or assumes its function. It is further provided that along the load transfer path 48, via which the load from the turbine shell 26 to the intermediate part 46 is transferable, at least one connecting means 52, 56 and 54 is provided. Such a connection means 52, 56 or 54 may, for example, be a plug-in connection or a rivet connection or bolt connection (see reference 56 in Figures 1 to 3) or a welded connection (see reference 52 in Figures 1 to 3) or a or the like. It should be noted that in Fig.
  • connection means can also be designed differently or combined differently.
  • the corresponding connecting means 52, 54, 56 are each adjacent components of the mentioned load transfer path 48, via which the load from the turbine shell 26 to the intermediate part 46 is transferable, coupled together.
  • connection means 52, 54, 56, by means of which along the load transfer path 48 between the turbine shell 26 and the intermediate part 46 anei- delimiting components (such as extension 32 and driver part 50 and driver part 50 and intermediate part 46) are connected from are directly spaced in the wall interior 28 adjacent wall portion 30 of the turbine shell 26.
  • the second energy storage device 40 and the intermediate component 46 provided between these two energy storage devices 38, 40 are a second component 60 and a third component 62.
  • the second component 60 forms an input part of the first energy storage device 38 and the third Component 62 forms an output part of the second energy storage device 40.
  • a load or torque introduced from the second component 60 into the first energy storage device 40 can thus be transferred to the third component 62 via the intermediate part 46 and the second energy storage device 40 on the output side of this first energy storage device 48 ,
  • the third member 62 engages a hub 64 to form a rotationally fixed connection, which in turn is rotatably coupled to an output shaft 66 of the torque converter device 1, which is, for example, a transmission input shaft of an automotive transmission.
  • the turbine shell 26 is supported radially on the hub 64 by means of a support section 68.
  • the support portion 68 which is supported in particular radially on the hub 64, is designed substantially sleeve-shaped.
  • the addressed radial support of the turbine shell 26 by means of the support section 68 is such that supporting forces acting thereon on the turbine shell 26 are not conducted via the first 38 or second energy storage device 40 from the support section 68 to the turbine shell 26.
  • the support portion 68 is rotatable relative to the hub 64. It may be provided that between the hub 64 and the support portion 68, a slide bearing or a plain bearing or a rolling bearing or the like is provided for the radial support. Furthermore, appropriate bearings may be provided for axial support.
  • connection between the turbine shell 26 and the intermediate part 46 is such that one of the turbine shell 26 to the intermediate part 46 transmissible torque from the turbine shell 26 can be transmitted to this intermediate part 46, without that along this load transfer path 48, one of the energy storage devices 38, 40 is provided.
  • This torque transmission from the turbine shell 26 to the intermediate part 46 (via the load transmission path 48) can thus be effected in particular by means of a substantially rigid connection.
  • two connecting means are respectively provided along the load or force transmission path 48 between the turbine shell 26 and the intermediate part 46, specifically a first connecting means 52 or 54 and a second connecting means 56
  • the first connecting means 52 or 54 connects - in particular rotationally fixed - the extension 32 with the driver part 50
  • the second connecting means 56 connects - in particular rotationally fixed - the driver part 50 with the intermediate part 46.
  • a plurality of first connecting means 52 or second connecting means 56 arranged in a distributed manner can be provided or preferably provided.
  • the sleeve-like support region 68 is a radially inwardly located section of the driver part 50, based on the radial direction of the axis of rotation 36.
  • the converter lock-up clutch 14 is formed in the designs according to FIGS. 1 to 3 in each case as a multi-plate clutch and has a first disk carrier 72, of which first blades 74 are rotatably received, and a second disk carrier 76, of which second blades 78 are rotatably received.
  • the first disk carrier 72 is relatively movable relative to the second disk carrier 76, in such a way that the first disk carrier 72 can be rotated relative to the second disk carrier 76.
  • the second plate carrier 76 is here - with respect to the radial direction of the axis 36 - disposed radially within the first disc carrier 72, but this may be the other way round.
  • the first plate carrier 72 is fixedly connected to the converter housing 16.
  • the multi-plate clutch 14 on a Anpressteil which here is a piston 80 which is arranged axially displaceable and for actuating the multi-plate clutch 14 - for example, hydraulically - can be acted upon.
  • the piston 80 is fixed or rotatably connected to the second plate carrier 76, which may be effected for example by means of a welded connection.
  • First 74 and second blades 78 alternate - seen in the longitudinal direction of the axis of rotation 36 - from.
  • this disk set 79 is supported on the opposite side of the disk pack 79 to the piston 80 at a portion of the inside of the transducer housing 16.
  • friction linings 81 are provided, which are held for example on the fins 74 and / or 78.
  • the friction linings 81 which are provided on the end side of the disk set 79, can also be held on one side and / or on the other side on the inside of the converter housing 16 or on the piston 80.
  • the piston 80 is formed integrally with the second component 60, that is, the input part of the first energy storage device 38.
  • the piston 80 is non-rotatably or fixedly connected to the second component 60 and the input part of the first energy storage device 38, wherein this fixed connection takes place here for example via a weld.
  • the rotationally fixed connection can also be done in other ways;
  • pistons 80 and the input part 60 of the first energy storage device 38 may be formed as separate parts fixed to each other, for example via a weld or a rivet or bolt, in an alternative design.
  • FIG. 1 pistons 80 and the input part 60 of the first energy storage device 38 may be formed as separate parts fixed to each other, for example via a weld or a rivet or bolt, in an alternative design.
  • piston 80 with the input part 60 may also be made in one piece from one part.
  • the pressing part or the piston 80 or the second component 60 and / or the first component or the intermediate part 46 and / or the third component 62 and / or the driver part 50 are preferably each formed by a metal sheet.
  • the second component 60 is in particular a flange.
  • the first component 46 is in particular a flange.
  • the third component 62 is in particular a flange.
  • the mass and / or the mass moment of inertia and / or the thickness of the driver part 50 are greater than the mass moment of inertia or the mass or the thickness of the piston 80 or of the input part 60 of the first energy storage device 38 or of the unit from these parts 60, 80.
  • a kind of housing 82 is formed, which extends - relative to the radial direction and the axial direction of the axis of rotation 36 - at least partially both sides axially and radially outside to the respective first energy storage 42.
  • this housing 82 is arranged on the driver part 50.
  • the above-mentioned rotationally fixed arrangement on the driver part 50 is advantageous under vibration-technical aspects, since more mass or mass moment of inertia is shifted to the secondary side of the first energy storage device 38.
  • the first energy stores 42 can each be supported on the addressed housing 82 via a rolling element, such as balls or rollers, having means 84, which can also be referred to as a roller skate and which serves to reduce friction.
  • a rolling element such as balls or rollers
  • means 84 which can also be referred to as a roller skate and which serves to reduce friction.
  • a sliding shell or a sliding shoe 94 is instead provided for reducing friction, via which the first energy store 42 can be supported on the housing 82.
  • a second rotation angle limiting device 92 is provided for the second energy storage device 40, by means of which the maximum angle of rotation or relative rotation angle of the second energy storage device 40 or the input part of the second energy storage device 40 relative to the output part of the second energy storage device 40 is limited.
  • the maximum angle of rotation of the second energy storage device 40 is limited by means of this second Verduswinkelbegrenzungs adopted 92 such that prevents the second energy storage 44, which are in particular springs, go at a correspondingly high torque load on block.
  • the second Verduswinkelbegrenzungs issued 92 is - as shown in FIGS.
  • a first Verwarwinkelbegrenzungsein- direction for the first energy storage device 38 may be provided by means of which the maximum angle of rotation of the first energy storage device 38 is limited such that an on-block walking the first, especially in each case designed as a spring, energy storage 42 is prevented.
  • the second energy storage 44 are straight (pressure) fedem and the first energy storage 42 bow springs
  • a second VerFDwin - Kelbegrenzungs is provided for the second energy storage device 40, since in such designs in an on-block walking the risk of damage to bow springs is less than in straight springs, and an additional, first VerFDwinkelbe- grenzungs adopted the number of components or would increase manufacturing costs.
  • the angle of rotation of the first energy storage device 38 is limited to a maximum first twist angle and the twist angle of the second energy storage device 40 is limited to a maximum second twist angle, wherein the first energy storage device 38 reaches its maximum first twist angle when a first limit torque is applied to the first energy storage device 38 and the second energy storage device 40 reaches its maximum second twist angle when a second limit torque is applied to this second energy storage device 40, this first limit torque being less than this second limit torque is.
  • This can in particular by an appropriate vote of the two energy storage devices 38, 40 and the energy storage 42, 44 of the two energy storage devices 38, 40 - optionally or in particular with the.
  • first and / or second Verfwinkel- limiting device - can be achieved. It is provided that the first energy store 42 at the first limit torque go to block, so that the first energy storage device 38 reaches its maximum first twist angle, and is effected by means of a second VerFDwin- kelbegrenzungs adopted for the second energy storage device 40 that the second energy storage device 40 at a second Limit torque reaches its maximum second angle of rotation, this maximum second angle of rotation is achieved when the second Vermoswinkelbegrenzungs adopted reaches a stop position.
  • the angle of rotation of the first energy storage device 38 and the second energy storage device 40 - and the same applies to the maximum first and maximum second twist angle - strictly speaking, the Relativverwarwinkel with respect to the circumferential direction of the axis of rotation 36 of the torsional vibration damper 10, which is compared to the unloaded Resting position between the input side and output side is given for a torque transmission in each case directly to the relevant energy storage device 38 or 40 adjacent components.
  • This angle of twist which - in particular dere in the above-mentioned manner - is limited by the respective maximum first or second angle of rotation, in particular change that the energy storage 42 and 44 of the energy storage device 38 or 40 absorb energy or release stored energy.
  • the piston 80 or the second component or the input part 60 of the first energy storage device 38 forms a plurality of circumferentially distributed tabs 86, each having a non-free end 88 and a free end 90 , and which are provided for the front-side, input-side load of a respective first energy store 42.
  • the non-free end 88 is - with respect to the radial direction of the axis of rotation 36 - arranged radially within the free end 90 of the respective tab 86.
  • the configuration of the tabs 86 of the input part 60 of the first energy storage device 38 and their respective relative arrangement to the respective (assigned) first energy store 42 and their respective interaction with a respective end face 150 of a respective first energy store 42 are each substantially the same and will therefore be referred to below on a tab 86 and as well as a respective loadable from this tab 86 first energy storage 42 and its loadable from the tab 86 end face 150 explained.
  • a straight line passing through the free end 90 and the non-free end 88 of the tab 86 - in particular in each case in the middle - includes an angle ⁇ with a straight line 154 aligned radially with respect to the axis of rotation 36 of the torsional vibration damper 10, which angle is smaller than 70 ° is less than 60 ° or less than 50 ° or less than 40 ° or less than 30 ° and here is approximately 20 °, which in particular applies to a corresponding projection in a projection plane that of the of the flap 86th loadable end face 150 of the first energy storage 42 is clamped.
  • the projected tab 86 intersects the projected outer circumference 156 of the end face 150 several times, so that this projected outer circumference 156 and this projected tab 86 form a plurality of cut lines 158 in this projection plane, wherein a first cut line 160 is formed thereby is that the tab 86, as seen from its non-free end 88 along its seen from this non-free end 88 to its free end 90 course in their projection, the projected outer circumference 156 for the first time, this first section line 160 in the projection plane in a - Is arranged relative to the radial direction of the axis of rotation 36 of the torsional vibration damper 10 - radially inner region of the respective first energy storage 42, in particular completely.
  • the designs according to FIGS. 1 to 3 could be modified in the latter sense such that the tab 86 is extended radially outward over the outer circumference 156 of the end face 150 in the region of its free end 90 just in relation to the radial direction of the axis of rotation 36 in that the projected tab 86 and the projected outer periphery 156 of the end face 150 form two cut lines 158 in the projection plane, whereby the first cut line 160 in the projection plane also lies radially inward with respect to the radial direction of the rotation axis 36 of the torsional vibration damper 10 Region of the first energy storage 42 is arranged.
  • the first intersection line 160 appearing in the projection plane in the projection plane is viewed in the circumferential direction of the end face 150 of the first energy accumulator 42 that can be loaded by the tab 86 in such a manner - in relation to the radial direction of the axis of rotation 36 of FIG Torsionsschwingungsdämpfers 10 - radially inwardly located portion of this first energy storage 42 located that this first intersection 160 in the said projection plane - with respect to the radial direction of the axis of rotation 36 of the torsional vibration damper 10 - radially within the - here as a point at which this force action line 162 pierces the projection plane , appears - central line of action 162 of this first energy storage 42 is located.
  • this first cutting line 160 is located within a region which extends symmetrically about a - relative to the radial direction of the axis of rotation 36 of the torsional vibration damper 10 - radial straight line 154 passing through this central Force point line 162 and this point formed by it in the projection plane, this region seen in the circumferential direction of this end face 150 of the first energy storage 42 less than 140 °, preferably less than 120 °, preferably less than 100 °, and according to FIGS to 3 - as indicated by the angle ß - covered about 90 °.
  • the tab 86 is straight in the area 164 adjoining the free end 90; this is so here that the tab 86 in the mentioned region 164-based on the radial direction of the axis of rotation 36-extends essentially radially.
  • the first energy storage 42 is designed as a bow or coil spring and that its loadable from the tab 86 end face 150 is formed by an end-side or end-side spring coil.
  • the tab 86 can load this end face 150 at two circumferentially spaced end faces 150, in this circumferential direction by at least 100 °, preferably at least 110 °, more preferably at least 120 ° from each other are spaced. This distance is shown in FIGS. 1 to 3 almost 130 °.
  • end caps are placed on the first energy store 42, so that the respective tab 86 loads the corresponding end face of the first energy store 42 via such a cap.
  • the actuation elements extend from radially outside or from above or from the side to the respective end face of the respective energy store of the outer energy storage device.
  • the control elements or tabs 86 extend from radially inward or from below to the relevant end face of the respective (first) energy store 42 of the outer or first energy storage device 38 engage below or from radially inside in the respective (first) energy storage 42 of the outer and first energy storage device 38.
  • hydrodynamic torque converter device Automotive driveline Torsional Vibration Damper of 2O 1 22, 24 Constructed Transducer Torque converter clutch housing Drive shaft, such as engine output shaft of an internal combustion engine Pump or impeller Turbine Turbine shell Transducer inner wall section of 26 extension to 30 of 26 straight section of 32 or disc-shaped Second energy storage device first energy storage second energy storage first component of 10 or intermediate part load transfer path driver part connecting means or welded connection between 32 and 50 in 48 connecting means or bolt or rivet connection between 32 and 50 in 48 connecting means or Bolt or rivet connection between 50 and 46 in 48 second component, input part of 38 third component hub output shaft, transmission input shaft support section first lamb ell carrier of 14 74 first lamella of 14

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Operated Clutches (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Control Of Fluid Gearings (AREA)

Abstract

L'invention concerne un dispositif convertisseur de couple hydrodynamique pour chaîne cinématique d'automobile, comprenant un amortisseur de vibrations de torsion, un tore de convertisseur composé d'une roue de pompe, d'une roue de turbine et d'une roue de guidage, de même qu'un embrayage de pontage de convertisseur. L'amortisseur de vibrations de torsion comprend un premier dispositif accumulateur d'énergie présentant un ou plusieurs accumulateurs d'énergie et un second dispositif accumulateur d'énergie comprenant un ou plusieurs accumulateurs d'énergie. L'embrayage de pontage de convertisseur, le premier dispositif accumulateur d'énergie et le second dispositif accumulateur d'énergie sont commutés en série. Il est prévu, entre le premier et le second dispositif accumulateur d'énergie, au moins un élément intermédiaire commuté en série avec ces deux dispositifs accumulateurs d'énergie. La roue de turbine présente une coque de turbine extérieure, qui est solidarisée bloquée en rotation avec l'élément intermédiaire ou le constitue. Il est prévu un élément d'entrée du premier dispositif accumulateur d'énergie, par l'intermédiaire duquel un couple pouvant être transmis par cet embrayage de pontage de convertisseur, lorsque ledit embrayage de pontage de convertisseur est fermé, pour solliciter le premier dispositif accumulateur d'énergie. Cet élément d'entrée du premier dispositif accumulateur d'énergie prévu pour solliciter une face respective d'un premier accumulateur d'énergie respectif présente, dans chaque cas, une languette comportant une extrémité libre et une extrémité non libre. L'extrémité non libre d'une languette respective est disposée dans le sens radial dans l'extrémité libre de la languette respective, par rapport au sens radial de l'axe de rotation de l'amortisseur de vibrations de torsion.
EP06805470A 2005-11-10 2006-10-21 Dispositif convertisseur de couple hydrodynamique pour chaine cinematique d'automobile Withdrawn EP1948972A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005053597 2005-11-10
PCT/DE2006/001873 WO2007054061A2 (fr) 2005-11-10 2006-10-21 Dispositif convertisseur de couple hydrodynamique pour chaine cinematique d'automobile

Publications (1)

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EP1948972A2 true EP1948972A2 (fr) 2008-07-30

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US (1) US8042667B2 (fr)
EP (1) EP1948972A2 (fr)
JP (1) JP2009515120A (fr)
KR (1) KR20080066026A (fr)
CN (1) CN101305212A (fr)
DE (1) DE112006002796A5 (fr)
WO (1) WO2007054061A2 (fr)

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US20080149444A1 (en) * 2006-11-29 2008-06-26 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Torsional vibration damper
DE102008057104B4 (de) * 2007-11-22 2018-10-31 Schaeffler Technologies AG & Co. KG Kraftübertragungsvorrichtung und Verfahren zur Montage einer Dämpferanordnung in einer Kraftübertragungsvorrichtung
JP5120705B2 (ja) * 2008-03-13 2013-01-16 本田技研工業株式会社 流体伝動装置
JP5595390B2 (ja) * 2008-07-04 2014-09-24 シェフラー テクノロジーズ アクチエンゲゼルシャフト ウント コンパニー コマンディートゲゼルシャフト 流体力学式のトルクコンバータ
DE102009045610A1 (de) * 2009-10-13 2011-05-05 Zf Friedrichshafen Ag Nasslaufende Kupplungsanordnung
JP2011106555A (ja) * 2009-11-17 2011-06-02 Aisin Seiki Co Ltd トルクコンバータ装置
JP2012247005A (ja) * 2011-05-27 2012-12-13 Aisin Seiki Co Ltd トルク変動吸収装置
JP5584249B2 (ja) * 2012-04-10 2014-09-03 株式会社エクセディ トルクコンバータのロックアップ装置
WO2014119685A1 (fr) * 2013-01-30 2014-08-07 アイシン・エィ・ダブリュ株式会社 Dispositif amortisseur et dispositif de démarrage
US20140238812A1 (en) * 2013-02-27 2014-08-28 Schaeffler Group Usa, Inc. Drive assembly for an automatic transmission including a clutch damper
DE112014003986B4 (de) * 2013-10-16 2019-10-10 Aisin Aw Co., Ltd. Dämpfervorrichtung und Startvorrichtung
JP5828030B1 (ja) * 2014-10-29 2015-12-02 株式会社エクセディ トルクコンバータのロックアップ装置
JP6051195B2 (ja) * 2014-11-25 2016-12-27 株式会社エクセディ 流体継手
JP2016156384A (ja) * 2015-02-23 2016-09-01 株式会社エクセディ トルクコンバータのロックアップ装置
KR101737962B1 (ko) 2015-12-30 2017-05-19 김윤용 자동변속기용 토크 컨버터
US20190063548A1 (en) * 2016-03-16 2019-02-28 Aisin Aw Co., Ltd. Damper apparatus
JP2018031424A (ja) * 2016-08-24 2018-03-01 株式会社エクセディ 振動低減装置

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JP2004308904A (ja) * 2003-04-05 2004-11-04 Zf Sachs Ag 捩り振動ダンパ
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EP1528289B1 (fr) * 2003-10-28 2012-11-21 ZF Friedrichshafen AG Amortisseur de vibrations de torsion

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Also Published As

Publication number Publication date
WO2007054061A3 (fr) 2007-06-28
WO2007054061A2 (fr) 2007-05-18
US8042667B2 (en) 2011-10-25
JP2009515120A (ja) 2009-04-09
KR20080066026A (ko) 2008-07-15
DE112006002796A5 (de) 2008-09-04
CN101305212A (zh) 2008-11-12
US20090139816A1 (en) 2009-06-04

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