EP1395454A1 - Systeme d'entrainement hybride a convertisseur de couple - Google Patents

Systeme d'entrainement hybride a convertisseur de couple

Info

Publication number
EP1395454A1
EP1395454A1 EP02742977A EP02742977A EP1395454A1 EP 1395454 A1 EP1395454 A1 EP 1395454A1 EP 02742977 A EP02742977 A EP 02742977A EP 02742977 A EP02742977 A EP 02742977A EP 1395454 A1 EP1395454 A1 EP 1395454A1
Authority
EP
European Patent Office
Prior art keywords
arrangement
housing
drive system
stator
rotor
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Withdrawn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
EP02742977A
Other languages
German (de)
English (en)
Inventor
Georg Mencher
Erwin Wack
Peter Ottenbruch
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.)
ZF Friedrichshafen AG
Original Assignee
ZF Sachs AG
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 ZF Sachs AG filed Critical ZF Sachs AG
Publication of EP1395454A1 publication Critical patent/EP1395454A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • B60K6/405—Housings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B60K6/485—Motor-assist 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
    • F16H41/00—Rotary fluid gearing of the hydrokinetic type
    • F16H41/24—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2540/00—Input parameters relating to occupants
    • B60W2540/10—Accelerator pedal position
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

Definitions

  • the present invention relates to a drive system comprising a hydrodynamic coupling device, in particular a hydrodynamic torque converter, which has a housing arrangement to be connected to a drive shaft for common rotation, and an output member to be brought into drive connection with a gear arrangement, the drive system further comprising an electric machine, including one with the rotor arrangement connected to the housing arrangement for common rotation, and a stator arrangement, the stator arrangement being carried on a housing which at least partially surrounds the hydrodynamic coupling device.
  • a hydrodynamic coupling device in particular a hydrodynamic torque converter
  • a drive system is known from DE 199 45 475 A1, in which a rotor arrangement of the electric machine is connected to the housing arrangement of a hydrodynamic torque converter in the radially outer region.
  • a rotor carrier is welded to the housing arrangement.
  • the stator arrangement is fixed to a non-rotating part, for example the transmission.
  • DE 100 48 838 A1 shows a similar drive system, in which the rotor arrangement is screwed to a drive shaft together with an element that couples the hydrodynamic coupling arrangement to the drive shaft in a rotationally fixed manner.
  • the stator arrangement is carried on a housing which surrounds the hydrodynamic coupling device radially on the outside and also carries the transmission.
  • a drive system comprising a hydrodynamic coupling device, in particular a hydrodynamic torque converter, which has a housing arrangement to be connected to a drive shaft for common rotation and an output member to be brought into drive connection with a transmission arrangement, the drive system further comprising an electric machine a rotor arrangement connected to the housing arrangement for common rotation, and a stator arrangement, the stator arrangement being carried on a housing surrounding the hydrodynamic coupling device at least in regions.
  • a hydrodynamic coupling device in particular a hydrodynamic torque converter
  • a cooling medium channel arrangement is provided in the housing in its area carrying the stator arrangement.
  • the cooling medium channel arrangement in that region of the housing in which the stator arrangement is also carried, heat can be dissipated from the region of the stator arrangement which is generally excited by energization, which contributes to an improved efficiency of the electric machine during operation.
  • This is particularly advantageous if the essential components of such a drive system are enclosed by a housing, and thus heat could only be dissipated to a reduced extent by transfer to ambient air.
  • An arrangement that is particularly simple to set up and also leaves a comparatively large amount of installation space for the hydrodynamic coupling arrangement can provide that the stator arrangement is carried on a radially outer section of the housing. If the electric machine is to be designed in the manner of an external rotor machine, it is advantageous if an axially projecting stator support section is provided on the housing, on the outer peripheral region of which the stator arrangement is then supported.
  • the cooling medium channel arrangement is provided for connection to an engine cooling circuit.
  • a separate cooling medium circuit can also be provided for the electric machine.
  • the housing is preferably a gear housing.
  • the present invention provides a drive system comprising a hydrodynamic coupling device, in particular a hydrodynamic torque converter, which has a housing arrangement to be connected to a drive shaft for common rotation and an output member to be brought into drive connection with a transmission arrangement, further comprising an electric machine a rotor assembly connected to the housing assembly for common rotation and a stator assembly.
  • a hydrodynamic coupling device in particular a hydrodynamic torque converter
  • At least one coupling element preferably of a ring-shaped design, is attached to the housing arrangement and carries at least one coupling element, and that the rotor arrangement is supported on the at least one coupling element.
  • the at least one coupling element which is provided with its or its coupling elements for coupling to the drive shaft, is assigned a double function. This simplifies the structure.
  • the at least one coupling element has a rotor support section in its area radially outside the at least one coupling member.
  • the present invention provides a drive system comprising a hydrodynamic coupling device, in particular a hydrodynamic torque converter, which has a housing arrangement to be connected to a drive shaft for common rotation and an output member to be brought into drive connection with a transmission arrangement, further comprising an electric machine a rotor assembly connected to the housing assembly for common rotation and a stator assembly.
  • a hydrodynamic coupling device in particular a hydrodynamic torque converter
  • the rotor arrangement is carried on at least one rotor support element connected to the housing arrangement by welding.
  • This at least one rotor support element is connected to the housing arrangement by welding at at least two regions which are axially spaced from one another.
  • the rotor arrangement is arranged axially essentially between the at least two welding areas.
  • Fig. 1 is a partial axial sectional view of a drive system according to the invention according to a first embodiment
  • FIG. 2 shows a view corresponding to FIG. 1 of an alternative embodiment
  • FIG. 3 shows a further view corresponding to FIG. 1 of an alternative embodiment
  • Fig. 4 is another view corresponding to Fig. 1 of an alternative embodiment.
  • an inventive drive system is generally designated 10.
  • This drive system 10 includes a hydrodynamic torque converter 12 as a hydrodynamic coupling device.
  • the hydrodynamic torque converter 12 has a housing arrangement 14, which in turn comprises a housing cover 16 and an impeller shell 18.
  • the housing cover 16 carries a guide pin in its radially inner region 20, which is arranged concentrically to the axis of rotation A and can be inserted into a correspondingly shaped recess in a drive shaft, not shown, for example a crankshaft of an internal combustion engine.
  • the housing cover 16 carries, for example, a ring-shaped coupling element 22 which is welded to it. In its radially outer region, this coupling element 22 in turn carries several z. B.
  • the impeller shell 18 carries a plurality of impeller blades 32 on its side pointing toward the interior 30 of the housing. In its radially inner region, the impeller shell 18 is firmly connected to an impeller hub 36 which extends through a housing end wall 34.
  • a turbine wheel, generally designated 38, is also provided in the housing interior 30.
  • the turbine wheel 38 comprises a turbine wheel shell 40 which is connected to a turbine wheel hub 42 in the radially inner region and which carries a plurality of turbine wheel blades 44.
  • the turbine wheel hub 42 can be coupled in a manner known per se to an output element (not shown) that extends concentrically with the pump wheel hub 36, for example a transmission input shaft, by means of spline teeth.
  • a stator ring 50 carries a plurality of stator blades 52 in its outer peripheral region and is over one Freewheel arrangement 54 is carried on a support element (not shown), for example a hollow support shaft, in such a way that it can be rotated together with the stator blades 52 in one direction about the axis of rotation A, but is blocked against rotation in the other direction.
  • a support element for example a hollow support shaft
  • the hydrodynamic torque converter 12 has a lock-up clutch arrangement, generally designated 56, with a clutch piston 58. This can be pressed by a corresponding increase in the fluid pressure in the direction of the housing cover 16, so that a direct mechanical torque transmission connection between the housing arrangement 14 and the turbine wheel 38 with at least partial bridging of the otherwise built-up elements is provided via a plate 60 which is non-rotatably coupled to the turbine wheel 38 and carries friction linings Fluid circulation can be established.
  • the drive system according to the invention also has an electric machine, generally designated 62.
  • the electric machine 62 comprises a rotor arrangement 64.
  • This has, for example, a multiplicity of sheet metal elements 66 lying against one another, which in the example shown carry a plurality of permanent magnets 68 on their inner circumferential side.
  • the rotor arrangement 64 is fixed to a rotor support element 70, for example in the form of a ring, for example by means of a plurality of screw bolts 72.
  • the rotor support element 70 is in turn connected to the radially outer and essentially axially extending section 73 of the housing cover 16 by welding.
  • a housing 74 substantially completely enclosing the hydrodynamic torque converter 12 has an axially projecting stator support section 76 on its axial end wall 34. This can be in the circumferential direction the axis of rotation A may be continuous, but may also comprise several sections.
  • a stator arrangement 78 of the electric machine 62 is carried on an outer circumferential side of the stator support section 76, which can have windings carried on a yoke in a manner known per se.
  • the stator arrangement 78 here lies directly radially inside the rotor arrangement 64, so that the electric machine 62 is constructed in the manner of an external rotor machine.
  • a cooling medium channel arrangement 80 is provided in the stator support section 76. This can be connected to the engine cooling circuit by hose connection 82, for example, but can also be connected to a separate cooling circuit. By passing cooling medium through the cooling medium channel arrangement 80, it is ensured that heat generated there is dissipated from the area of the electric machine 62. This is particularly important in the arrangement that can be seen in FIG. 1, since both the electric machine 62 and the hydrodynamic torque converter 12 are essentially completely enclosed by the housing 74, and heat removal by the flow of ambient air is therefore essentially not possible.
  • the housing 74 can, for example, be part of the transmission housing of a transmission (not shown) which is to be brought into torque transmission connection with the drive motor by the hydrodynamic torque converter 12. On its axially open side, the housing 74 can be screwed to an engine block 86 or the like, for example, by a plurality of screw bolts 84.
  • Fig. 1 In the embodiment shown in Fig. 1 is a very compact
  • Torque converter 12 connected to the drive shaft in a conventional manner, for example using a so-called flex plate can be. Nevertheless, a torque can be introduced into the drive train by the electric machine 62, that is to say, for example, to start the drive motor. Of course, drive torque can also be provided by the electric machine 62. When the drive motor is rotating, the electrical machine 62 can then generate electrical energy in the manner of a generator and store it in a battery.
  • the procedure can be such that the stator arrangement 78 is first fastened on the stator support section 76.
  • the rotor arrangement 64 is then connected to the rotor support element 70, which is already welded to the housing arrangement 14.
  • a pre-assembled unit is then formed, which includes the hydrodynamic torque converter 12 and the rotor arrangement 64.
  • This unit is then inserted into the housing 74 and coupled to the transmission (not shown) for torque transmission.
  • the module thus formed is then brought axially to the drive motor, on the drive shaft of which the coupling disk 28 is already fixed.
  • the bolts 26 can be introduced or tightened through openings provided in the housing 74 or in the engine block or engine housing, for example, and the fixed coupling of the housing arrangement 14 to the drive shaft can thus be obtained.
  • FIG. 2 A modified embodiment of the drive system 10 according to the invention is shown in FIG. 2. In the following, only the differences existing with regard to the embodiment described with reference to FIG. 1 will be discussed.
  • stator arrangement 78 is no longer carried on a stator support section provided for this purpose, but rather is attached to a radially outer region 88 of the housing 74 which is approximately cylindrical in such a way that it essentially axially coincides with the Impeller shell 18 overlaps.
  • the ring-shaped rotor support element 70 is now fixed to the impeller shell 18, for example by welding, and in its radially outer region again supports the rotor arrangement 64 with its permanent magnets 68 now located radially outward.
  • An internal rotor machine is therefore provided here.
  • the cooling medium channel arrangement 76 is now formed in the radially outer region 88 of the housing 74 and is open to the axially open side of the housing 74 and can thus be connected to the cooling circuit of the engine in a very simple manner.
  • stator arrangement 78 is connected directly to an area of the housing 74 that is surrounded by ambient air, an even better cooling effect can be provided for the stator arrangement 78.
  • the ring-like rotor support element 70 is not only connected to the housing arrangement 14 or the pump wheel shell 18 by welding in an axial end region. Also in the other axial end region, that is to say the axial end region close to the connection of the pump wheel shell 18 to the housing cover 16, the ring-like rotor support element 70 is connected by welding to the housing arrangement 14, in the example shown the pump wheel shell 18.
  • the rotor arrangement 64 essentially lies between these two axially offset welding regions. A very stable connection of the rotor arrangement 64 to the housing arrangement 14 is thus achieved without the risk of generating tilting moments or excessive deformations in the region of the housing arrangement 14.
  • FIG. 4 A further modified embodiment of the drive system 10 according to the invention is shown in FIG. 4. Here too, essentially only the differences existing from the previous embodiments are dealt with.
  • the electric machine 62 in this embodiment is arranged closer to the drive motor or the motor block 86 of the same and essentially overlaps axially with the housing cover 16 of the housing arrangement 14.
  • the stator arrangement 78 is again fixed to the radially outer, essentially cylindrical region 88 of the housing 74.
  • the rotor arrangement 64 is again located radially within the stator arrangement 78, so that an electric machine 62 of the inner rotor type is again provided here.
  • the ring-like coupling element 22 is extended radially outward beyond the area in which it carries the coupling members 24 and forms a rotor support section 90 there.
  • the rotor arrangement 64 can then be fixed, for example, in turn by screw bolts or the like on this rotor support section 90, which is also formed in a ring-like or tongue-like manner with a plurality of projections. In this way, a very simple to build and also compact arrangement is created, in which a very good cooling function can be provided for the stator arrangement.
  • the present invention provides a drive system which, with a compact structure, enables the integration of a hydrodynamic coupling device, for example a hydrodynamic torque converter, and an easily coolable electric machine which acts in the manner of a crankshaft starter generator in a housing.
  • a hydrodynamic coupling device for example a hydrodynamic torque converter
  • an easily coolable electric machine which acts in the manner of a crankshaft starter generator in a housing.
  • the hydrodynamic torque converter shown is only one example of such torque converters.
  • a fluid coupling could in principle also be used here instead of a torque converter.
  • the stator support section of the housing can also be designed as a separate component instead of the recognizable integral embodiment.
  • the housing recognizable in the figures can have different shapes in adaptation to different engine blocks or different gear arrangements.
  • this housing is preferably part of the transmission housing.
  • the cooling medium channel arrangement can have different configurations with regard to the channel routing, such as, for. B. meandering configuration.
  • a plurality of cooling medium inlet openings or cooling medium outlet openings can of course be provided.

Abstract

Système d'entraînement (10) comportant un dispositif de couplage hydrodynamique (12), en particulier un convertisseur de couple hydrodynamique, qui comprend un ensemble boîtier (14) destiné à être couplé à un arbre d'entraînement en vue de la rotation commune, ainsi qu'un élément de sortie destiné à être mis en liaison d'entraînement avec un ensemble transmission. Ledit système d'entraînement comporte en outre une machine électrique (62) comprenant un ensemble rotor (64) couplé à l'ensemble boîtier (14) en vue de la rotation commune, ainsi qu'un ensemble stator (78) qui est fixé sur un boîtier (74) entourant au moins en partie le dispositif de couplage hydrodynamique (12). Selon la présente invention, le boîtier (74) comporte, dans sa partie (76 ; 88) sur laquelle est fixé l'ensemble stator (78), un ensemble canal (80) pour milieu de refroidissement.
EP02742977A 2001-06-12 2002-05-10 Systeme d'entrainement hybride a convertisseur de couple Withdrawn EP1395454A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10128424 2001-06-12
DE10128424A DE10128424A1 (de) 2001-06-12 2001-06-12 Antriebssystem
PCT/EP2002/005134 WO2002100672A1 (fr) 2001-06-12 2002-05-10 Systeme d'entrainement hybride a convertisseur de couple

Publications (1)

Publication Number Publication Date
EP1395454A1 true EP1395454A1 (fr) 2004-03-10

Family

ID=7687994

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02742977A Withdrawn EP1395454A1 (fr) 2001-06-12 2002-05-10 Systeme d'entrainement hybride a convertisseur de couple

Country Status (5)

Country Link
US (1) US20040130225A1 (fr)
EP (1) EP1395454A1 (fr)
JP (1) JP2004528800A (fr)
DE (1) DE10128424A1 (fr)
WO (1) WO2002100672A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008026426A1 (de) 2007-06-20 2008-12-24 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Hydrodynamische Kopplungsvorrichtung für Hybridfahrzeuge

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KR100755047B1 (ko) 2006-01-06 2007-09-06 한국파워트레인 주식회사 록업 클러치를 구비한 하이브리드 차량용 토크 컨버터
KR101180927B1 (ko) * 2006-07-05 2012-09-07 현대자동차주식회사 하이브리드 차량용 토크 컨버터
US7509802B2 (en) * 2006-09-26 2009-03-31 Ford Global Technologies, Llc Drive unit for hybrid electric vehicle
DE102009040367A1 (de) * 2008-09-26 2010-04-08 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Kombinierte Kraftübertragungs- und Antriebseinheit für den Einsatz in Hybridsystemen und Hybridsystem
JP2011230713A (ja) * 2010-04-28 2011-11-17 Toyota Motor Corp ハイブリッド車両の動力伝達装置
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DE10128424A1 (de) 2002-12-19

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