EP3752379A1 - Hybrid module and drive assembly for a motor vehicle - Google Patents

Hybrid module and drive assembly for a motor vehicle

Info

Publication number
EP3752379A1
EP3752379A1 EP19706874.5A EP19706874A EP3752379A1 EP 3752379 A1 EP3752379 A1 EP 3752379A1 EP 19706874 A EP19706874 A EP 19706874A EP 3752379 A1 EP3752379 A1 EP 3752379A1
Authority
EP
European Patent Office
Prior art keywords
coupling
hybrid module
spring
module according
clutch
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Withdrawn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
EP19706874.5A
Other languages
German (de)
French (fr)
Inventor
Benjamin Stober
Dierk Reitz
Steffen Lehmann
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 Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Publication of EP3752379A1 publication Critical patent/EP3752379A1/en
Withdrawn legal-status Critical Current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
    • B60K6/38—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 driveline clutches
    • B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • 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
    • B60K6/44—Series-parallel type
    • 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
    • B60K6/44—Series-parallel type
    • B60K6/442—Series-parallel switching 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D21/00—Systems comprising a plurality of actuated clutches
    • F16D21/02—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways
    • F16D21/06—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways at least two driving shafts or two driven shafts being concentric
    • 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
    • B60K6/26—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 motors or the generators
    • B60K2006/266—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 motors or the generators with two coaxial motors or generators
    • 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
    • B60K2006/4825—Electric machine connected or connectable to gearbox input shaft
    • 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
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/90—Vehicles comprising electric prime movers
    • B60Y2200/92—Hybrid vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/42—Clutches or brakes
    • B60Y2400/428—Double clutch arrangements; Dual clutches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/60—Electric Machines, e.g. motors or generators
    • 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
    • F16D21/00—Systems comprising a plurality of actuated clutches
    • F16D21/02—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways
    • F16D21/06—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways at least two driving shafts or two driven shafts being concentric
    • F16D2021/0676—Mechanically actuated multiple lamellae clutches
    • 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
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
    • Y04S10/126—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]

Definitions

  • the invention relates to a hybrid module for a motor vehicle for coupling an internal combustion engine and to a drive arrangement for a motor vehicle having an internal combustion engine and a hybrid module according to the invention.
  • Electric drives are widely known, including for driving
  • Internal combustion engines are present, such as integrated in hybrid modules, which provide a coupling of an internal combustion engine.
  • a hybrid module usually comprises a connection device for the mechanical coupling of an internal combustion engine, a separating clutch, with the
  • Torque can be transferred from the internal combustion engine to the hybrid module and with the hybrid module of the internal combustion engine is separable, at least one electric machine for generating a driving torque with a rotor, and a further coupling unit, in particular a
  • Dual clutch device with the torque from the electric machine and / or from the separating clutch to a drive train is transferable.
  • the dual clutch device comprises a first part clutch and a second one
  • Each arranged clutch is associated with an actuating system.
  • Other starting elements such as converters or single-disc clutches instead of the double clutch are possible.
  • a respective electric machine allows electric driving
  • hybrid drives which have two electrical machines.
  • a first electric machine is rotatable with a first electric machine.
  • Rotation is to be offset by moments of inertia and occurring magnetic forces.
  • drive systems or hybrid modules are known, each having two electrical machines, each electrical machine is assigned in each case a coupling device with which the electric machine to the
  • Powertrain coupled or can be separated from it.
  • Hybrid modules or drive systems can be found in the documents DE 10 2015 222 690 A1, DE 10 2015 222 691 A1, DE 10 2015 222 692 A1 and DE 10 2015 222 694 A1.
  • the present invention has the object to provide a hybrid module available, which has a high efficiency under stress of a small space. This object is achieved by the hybrid module according to the invention according to claim 1 and by the drive arrangement according to claim 10.
  • axial always refers in the context of the present invention to the axis of rotation of the hybrid module.
  • the invention relates to a hybrid module for a motor vehicle for coupling an internal combustion engine, which comprises a first drive shaft and associated therewith a first electric machine and a first clutch device. Furthermore, the hybrid module comprises a second drive shaft and a second electric machine and a second clutch device. In addition, the hybrid module has an output element. A respective drive shaft can be connected or connected to the output element via a respective coupling device. It is inventively provided that the two coupling devices are simultaneously actuated by a movement of a mechanically coupled with two coupling devices actuator.
  • the output element is preferably an output shaft for forwarding the applied torques to a transmission or to the driving wheels of a motor vehicle.
  • the two coupling devices are preferably an output shaft for forwarding the applied torques to a transmission or to the driving wheels of a motor vehicle.
  • Internal combustion engine are transferred to the first electric machine and / or transferred from the internal combustion engine to the second electric machine.
  • the advantage of the hybrid module according to the invention is, in particular, that only one actuating device is used to operate the two coupling devices is required, which with an axial movement of the actuating element is able to close one of the coupling means and thereby to open the other coupling means.
  • the rotor of the first electric machine is rotatably connected to the first drive shaft and the rotor of the second electric machine is non-rotatably connected to the output element.
  • first drive shaft is fixedly connected to the rotor of the first electric machine and is connected to the first coupling device.
  • the second electric machine is assigned directly to the output element or the output shaft.
  • the first coupling means and the second coupling means are both components of a double clutch device, one for the two
  • Coupling has common outer disk carrier.
  • In execution of the dual clutch device with common outer disk carrier are connected to the first drive shaft and the driven element components of the two clutch devices inner disc carrier.
  • the invention is not limited to the mentioned connection of the drive or.
  • Output side limited to inner disk carrier and outer disk carrier, but inner disk carrier and
  • External disk carrier can also be assigned to the other side.
  • the dual clutch device is designed such that always only one of the two clutch devices is closed, wherein in this
  • the two have
  • Actuator is mechanically connected and or which the
  • Actuator at least partially formed, and with which pressure plates of the first clutch means and the second clutch means axially fixed connectable or connected, so that an axial displacement axial release of the first pressure plate simultaneously leads to the axial displacement or axial release of the second pressure plate, so that a simultaneous actuation of the
  • the hybrid module may comprise an actuating device which is adapted for the simultaneous actuation of the first clutch means as well as the second clutch means.
  • the actuating device is arranged and arranged such that with it an actuating force on the actuating element for the purpose of
  • Displacement can be applied.
  • the actuating device and the actuating element can be configured such that an immediate
  • Spring device in particular a plate spring, whose spring force upon tension of the spring means a closure of one of the two Supports and / or effects coupling devices and supports and / or effects an opening of the respective other coupling device.
  • both the first coupling device having a first spring means and the second coupling means comprise a second spring means, wherein the first spring means and the second spring means supports the closure of the first coupling means and / or causes and supports the opening of the second coupling means and / or causes ,
  • the first spring force caused by the first spring device is significantly lower than the force required for the complete closure of the second spring force
  • Coupling device is applied by the actuator. This has the advantage that as a whole the actuator, i. to operate both coupling devices in both directions, an actuating force with a small fluctuation range is applied. The amount of control effort to be applied is correspondingly low and the actuating device can be realized with correspondingly simple means.
  • the second coupling means comprises a second inner disk carrier which is rotatably connected to the output member and axially displaceable, wherein the Flybridmodul further comprises a compression spring device, in particular a
  • Coil spring which is axially supported on the driven element and presses against the second inner disk carrier, which in turn is common to one of the first clutch means and second clutch means
  • Clutch carrier is supported.
  • This common clutch carrier in turn can be axially supported directly or indirectly on the first drive shaft.
  • Another aspect of the present invention is a drive assembly for a motor vehicle with an internal combustion engine and a hybrid module according to the invention and with a transmission, wherein the hybrid module with the
  • Coupling devices of the hybrid module is connected.
  • FIG. 1 shows a partial section of a hybrid module according to the invention
  • Figure 2 a force-displacement diagram with illustrated characteristics of the first
  • Figure 3 a force-displacement diagram with illustrated sum characteristic.
  • the hybrid module according to the invention shown in Figure 1 comprises in one
  • Housing 1 which is only indicated here, on a common axis of rotation 2, a first drive shaft 10, on which the rotor 12 of a first electric machine 11 is rotatably mounted.
  • a driven member 30 in the form of an output shaft rotatably seated the rotor 22 of a second electric machine 21.
  • Output element 30 are rotationally symmetrical to each other.
  • a second drive shaft 20 is provided for mechanically, optionally via a
  • Disconnect to be connected to an internal combustion engine, which may also be part of the hybrid module.
  • the first drive shaft 10 is connected via a first coupling device 13 with a common coupling carrier 51.
  • This common clutch carrier 51 is connected via a toothing 31 with the second drive shaft 20 rotationally fixed.
  • first clutch device 13 and the second clutch device 23 together form a dual clutch device 50.
  • This dual clutch device 50 includes one of the two
  • the first drive shaft 10 itself forms a first inner disk carrier 53, on which inner disks of the first clutch device 13 are arranged, alternately with outer disks of the first clutch device 13 arranged axially displaceably on the outer disk carrier 52.
  • a second inner disk carrier 54 which is coupled via a non-rotatable connection 55 to the driven element 30, inner plates of the second coupling device 23, which alternately with outer plates of the second
  • Coupling device 23 are arranged.
  • Coupling device 23 are arranged axially displaceable on the outer disk carrier 52.
  • a first pressure plate 14 of the first clutch device 13 is axially fixed to a stop point axially fixed to a connecting element 56, which is also referred to as a pressure piece, with a second pressure plate of the second
  • Clutch device 13,23 in an operation automatically the other clutch means 13,23 is operated in the opposite operation. This means that upon closure of the first clutch device 13, the second clutch device 23 is automatically opened, and vice versa. In this way, it is ensured that during operation of the second electric machine 21, the first electric machine 11 is decoupled from the output element 30 and the output shaft and therefore no energy for realizing a rotational movement of the first rotor and to overcome the magnetic forces occurring there must be provided.
  • the present Flybridmodul invention is not limited to this embodiment, but it can also be provided be that each coupling device 13,23 is assigned its own actuator, but even then these extra controls should be designed and arranged such that the two
  • Clutch devices 13,23 can be operated simultaneously with opposite operation.
  • an actuating device not shown here is provided, which is preferably supported on the housing 1.
  • the actuating device can in particular a
  • the actuating force 41 applied in the axial direction by the actuating device can be seen in FIG. 1, which acts on an actuating element 40, which is supported axially on a rotary bearing 57.
  • the rotary bearing 57 in turn is supported axially on the connecting element 56, which is axially fixed to the pressure plates 14,24 of the two coupling devices 13,23 connected or connected. Such can be done by exercising the
  • the first coupling device 13 is assigned a first spring device 15 in the form of a first plate spring; and the second coupling device 23 is associated with a second spring means 25 in the form of a second plate spring.
  • the first spring device 15 causes a first spring force 16 in the same direction as the second spring force 26 effected by the second spring device 25.
  • both spring devices 15, 25 act in the direction of closing the first clutch device 13 and opening the second clutch device 23.
  • both spring devices 15, 25 act in the direction of closing the first clutch device 13 and opening the second clutch device 23.
  • Clutch device 23 effected via a first partial path and the second
  • Spring means 25 causes the opening via a second partial path.
  • the second spring device 25 also ensures that the connecting element 56 does not lift off the pivot bearing 57.
  • the hybrid module shown here comprises a compression spring device 60 in the form of a helical spring, which is supported axially on the housing 1 indirectly. On the axially opposite side, the compression spring device 60 presses against the second inner disk carrier 54, which in turn axially on a first
  • Rotary bearing 61 is supported.
  • This first rotary bearing 61 supports itself axially on the common clutch carrier 51, which in turn is axially supported on the first drive shaft 10 via a second rotary bearing 62.
  • a second rotary bearing 62 As a result, it is possible in a simple manner, if appropriate, to reduce existing tolerances in the hybrid module or in the individual components and by axial pressure in the individual components.
  • the bearings involved namely the pivot bearing 57 and the first rotary bearing 61 and the second rotary bearing 62, axially
  • holes 63 are provided in the first drive shaft to allow the transport of lubricants, which can also serve for cooling integrated.
  • the illustrated coupling devices 13,23 are not limited to multi-plate clutches, but it can be used instead other friction clutches or clutches acting positively.
  • the characteristic curve 70 of the first disk spring is the first one here
  • Spring device 15 is provided, shown. In this case, the operating point K1 can be seen, in which the first clutch device 13 is completely closed. Upon actuation of the first clutch device 13 by axial displacement of the first pressure plate 14 along the direction of the actuating force 41 via a in the
  • Diagram 2 in Figure 2 shown positive path s changes from the first spring means 15 and the first plate spring applied force F. It can be seen that after a brief increase in the force F, this becomes significantly lower as the distance s is further increased.
  • the characteristic curve 80 of the actuating device is shown in FIG. It can be seen that, after a first low required force F, a kink in the characteristic curve 80 takes place to cover a relatively long distance s, and then the characteristic curve 80 has a steeper rise. This is due to the fact that upon closure of the second coupling device 23 after first pushing together the lamellae of the second coupling device 23 and contacting the lamellae they must be compressed with increased force F, to another
  • the extent of the rise of the characteristic curve 80 is influenced by the component stiffnesses of the components involved as well as by the compression of the linings of the lamellae as well as the acting second spring device 25.
  • this distance is s 1, 8 mm, in addition to the Hughes wholly contribute to the slats paths from the tolerances of
  • Coupling devices 13,23 is dependent.
  • Diaphragm spring applied force F is already relatively low. However, this relatively small force F is sufficient to be able to make an automatic return to the starting position upon cancellation of the actuating force 41 caused by the actuating device, thereby overcoming the friction in the system.
  • the hybrid module according to the invention may further be configured with a device for slip detection, with which the coupling devices 13,23 can be optionally controlled automatically controlled and with the prevailing contact forces in the coupling devices 13,23 can be adjusted.
  • FIG. 3 shows the mathematical result of an addition of the two characteristic curves 70, 80 explained with reference to FIG. 2, wherein it can be seen that the forces F required to realize the two characteristic points K1 and K2 differ only insignificantly from one another.
  • the sum characteristic curve 90 in FIG. 2 has only slight fluctuations between the two points K1 and K2.
  • an actuating device to be provided essentially has to be set up for only a relatively small force range to be realized.
  • a drive device for a motor vehicle is provided, which with a low load

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  • Mechanical Engineering (AREA)
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  • General Engineering & Computer Science (AREA)
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Abstract

The invention relates to a hybrid module for a motor vehicle for coupling an internal combustion engine, and to a drive assembly for a motor vehicle having a hybrid module according to the invention. The hybrid module is designed for coupling an internal combustion engine and comprises a first drive shaft (10), a first electrical machine (11) and a first coupling device (13), as well as a second drive shaft (20) and, associated therewith, a second electrical machine (21), and a second coupling device (23); and further comprises an output element (30), the drive shaft (10, 20) being connectable or connected to the output element (30) by way of a coupling device (13, 23), wherein the two coupling devices (13,23) can be simultaneously actuated by a movement of an actuation element (40) which is mechanically coupled to the two coupling devices (13, 23). The hybrid module proposed here provides a drive device for a motor vehicle that offers energy-efficient operation in a plurality of different operating modes while requiring a small installation space.

Description

Hybridmodul und Antriebsanordnunq für ein Kraftfahrzeug  Hybrid module and Antriebsanordnunq for a motor vehicle
Die Erfindung betrifft ein Hybridmodul für ein Kraftfahrzeug zum Ankoppeln einer Verbrennungskraftmaschine sowie eine Antriebsanordnung für ein Kraftfahrzeug mit einer Verbrennungskraftmaschine und einem erfindungsgemäßen Hybridmodul. The invention relates to a hybrid module for a motor vehicle for coupling an internal combustion engine and to a drive arrangement for a motor vehicle having an internal combustion engine and a hybrid module according to the invention.
Elektrische Antriebe sind weitgehend bekannt, so auch zum Antreiben von Electric drives are widely known, including for driving
Kraftfahrzeugen. Hier können die elektrischen Antriebe kombiniert mit Motor vehicles. Here the electric drives can be combined with
Verbrennungskraftmaschinen vorliegen, wie zum Beispiel in Hybridmodulen integriert, die eine Kopplung einer Verbrennungskraftmaschine vorsehen. Internal combustion engines are present, such as integrated in hybrid modules, which provide a coupling of an internal combustion engine.
Ein Hybridmodul umfasst üblicherweise eine Anschlusseinrichtung zur mechanischen Ankopplung einer Verbrennungskraftmaschine, eine Trennkupplung, mit der  A hybrid module usually comprises a connection device for the mechanical coupling of an internal combustion engine, a separating clutch, with the
Drehmoment von der Verbrennungskraftmaschine auf das Hybridmodul übertragbar ist und mit der das Hybridmodul von der Verbrennungskraftmaschine trennbar ist, wenigstens eine elektrische Maschine zur Erzeugung eines Antriebsdrehmoments mit einem Rotor, sowie eine weitere Kupplungseinheit, insbesondere eine Torque can be transferred from the internal combustion engine to the hybrid module and with the hybrid module of the internal combustion engine is separable, at least one electric machine for generating a driving torque with a rotor, and a further coupling unit, in particular a
Doppelkupplungsvorrichtung, mit der Drehmoment von der elektrischen Maschine und/ oder von der Trennkupplung auf einen Antriebsstrang übertragbar ist. Die Doppelkupplungsvorrichtung umfasst eine erste Teilkupplung und eine zweite Dual clutch device, with the torque from the electric machine and / or from the separating clutch to a drive train is transferable. The dual clutch device comprises a first part clutch and a second one
Teilkupplung. Jeder angeordneten Kupplung ist jeweils ein Betätigungssystem zugeordnet. Weitere Anfahrelemente wie Wandler oder Einscheibenkupplungen anstelle der Doppelkupplung sind möglich. Part clutch. Each arranged clutch is associated with an actuating system. Other starting elements such as converters or single-disc clutches instead of the double clutch are possible.
Eine jeweilige elektrische Maschine ermöglicht das elektrische Fahren,  A respective electric machine allows electric driving,
Leistungszuwachs zum Verbrennungsmotorbetrieb und Rekuperieren bzw. Performance increase for internal combustion engine operation and recuperation or
Generieren. To generate.
Des Weiteren sind hybride Antriebe bekannt, die zwei elektrische Maschinen aufweisen. Eine erste elektrische Maschine ist drehfest mit einer  Furthermore, hybrid drives are known which have two electrical machines. A first electric machine is rotatable with a
Verbrennungskraftmaschine verwendbar bzw. verbunden und eine zweite elektrische Maschine ist drehfest mit den Antriebsrädern des Kraftfahrzeuges verbindbar bzw. verbunden. Zwischen den beiden elektrischen Maschinen ist eine Kupplungseinrichtung angeordnet, die den Drehmoment-Übertragungspfad zwischen den beiden elektrischen Maschinen schließen und öffnen kann. Entsprechend sind die beiden elektrischen Maschinen mechanisch in Reihe geschaltet. Durch entsprechende Getriebe, so zum Beispiel Zahnrad-Übersetzungen, werden Drehzahlen und Internal combustion engine used or connected and a second electric machine is rotatably connected to the drive wheels of the motor vehicle or connected. Between the two electrical machines is a Coupling device arranged, which can close and open the torque transmission path between the two electric machines. Accordingly, the two electrical machines are mechanically connected in series. By appropriate gear, such as gear ratios, speeds and
Drehmomente der elektrischen Maschinen sowie der angeschlossenen Torques of the electrical machines and the connected
Verbrennungskraftmaschine und der Eingangsseite eines Getriebes bzw. der Internal combustion engine and the input side of a transmission or the
Antriebsräder aneinander angepasst. Drive wheels adapted to each other.
Es können derart unterschiedliche Betriebszustände realisiert werden, wie zum Beispiel eine rein elektromotorische Fahrt, bei der die Kupplung geöffnet ist; ein elektromotorischer Antrieb des Kraftfahrzeuges durch die erste elektrische Maschine bei gleichzeitigem Generator-Betrieb durch die zweite elektrische Maschine, die durch die Verbrennungskraftmaschine angetrieben wird, wobei die Kupplung geöffnet ist; und eine verbrennungsmotorische Fahrt, bei der keine, eine oder beide elektrischen Maschinen Leistung ab- oder aufnehmen können, wobei die Kupplung geschlossen ist.  It can be realized such different operating conditions, such as a purely electric motor ride, in which the clutch is open; an electromotive drive of the motor vehicle by the first electric machine with simultaneous generator operation by the second electric machine, which is driven by the internal combustion engine, wherein the clutch is opened; and an IC engine ride in which none, one, or both of the electric machines can take off or pick up power with the clutch closed.
Diese Systeme weisen allerdings den Nachteil eines geminderten Wirkungsgrades auf, da auf Grund der Reihenschaltung der elektrischen Maschinen bei Betrieb einer elektrischen Maschine als Antrieb die zweite elektrische Maschine ebenfalls in  However, these systems have the disadvantage of a reduced efficiency, since due to the series connection of the electrical machines when operating an electric machine as a drive, the second electric machine also in
Rotation zu versetzen ist, wobei Massenträgheitsmomente zu überwinden sind sowie auftretende magnetische Kräfte. Rotation is to be offset by moments of inertia and occurring magnetic forces.
Weiterhin sind Antriebssysteme bzw. Hybridmodule bekannt, die jeweils zwei elektrische Maschinen aufweisen, wobei jeder elektrischen Maschine jeweils eine Kupplungseinrichtung zugeordnet ist, mit der die elektrische Maschine an den  Furthermore, drive systems or hybrid modules are known, each having two electrical machines, each electrical machine is assigned in each case a coupling device with which the electric machine to the
Antriebsstrang angekoppelt bzw. davon getrennt werden kann. Derartige Powertrain coupled or can be separated from it. such
Hybridmodule bzw. Antriebssysteme sind den Dokumenten DE 10 2015 222 690 A1 , DE 10 2015 222 691 A1 , DE 10 2015 222 692 A1 und DE 10 2015 222 694 A1 entnehmbar. Hybrid modules or drive systems can be found in the documents DE 10 2015 222 690 A1, DE 10 2015 222 691 A1, DE 10 2015 222 692 A1 and DE 10 2015 222 694 A1.
Hiervon ausgehend liegt der vorliegenden Erfindung die Aufgabe zugrunde, ein Hybridmodul zur Verfügung zu stellen, welches unter Beanspruchung eines geringen Bauraums einen hohen Wirkungsgrad aufweist. Diese Aufgabe wird durch das erfindungsgemäße Hybridmodul nach Anspruch 1 und durch die Antriebsanordnung nach Anspruch 10 gelöst. Proceeding from this, the present invention has the object to provide a hybrid module available, which has a high efficiency under stress of a small space. This object is achieved by the hybrid module according to the invention according to claim 1 and by the drive arrangement according to claim 10.
Vorteilhafte Ausgestaltungen des Hybridmoduls sind in den Unteransprüchen 2-9 angegeben.  Advantageous embodiments of the hybrid module are given in the dependent claims 2-9.
Die Merkmale der Ansprüche können in jeglicher technisch sinnvollen Art und Weise kombiniert werden, wobei hierzu auch die Erläuterungen aus der nachfolgenden Beschreibung sowie Merkmale aus den Figuren hinzugezogen werden können, die ergänzende Ausgestaltungen der Erfindung umfassen. The features of the claims may be combined in any technically meaningful manner, for which purpose the explanations of the following description as well as features of the figures may be consulted which comprise additional embodiments of the invention.
Der Begriff axial bezieht sich im Rahmen der vorliegenden Erfindung immer auf die Drehachse des Hybridmoduls.  The term axial always refers in the context of the present invention to the axis of rotation of the hybrid module.
Die Erfindung betrifft ein Hybridmodul für ein Kraftfahrzeug zum Ankoppeln einer Verbrennungskraftmaschine, welches eine erste Antriebswelle und dieser zugeordnet eine erste elektrische Maschine sowie eine erste Kupplungseinrichtung umfasst. Des Weiteren umfasst das Hybridmodul eine zweite Antriebswelle und eine zweite elektrische Maschine sowie eine zweite Kupplungseinrichtung. Zudem weist das Hybridmodul ein Abtriebselement auf. Eine jeweilige Antriebswelle ist über eine jeweilige Kupplungseinrichtung mit dem Abtriebselement verbindbar bzw. verbunden. Es ist erfindungsgemäß vorgesehen, dass die beiden Kupplungseinrichtungen durch eine Bewegung eines mit beiden Kupplungseinrichtungen mechanisch gekoppelten Betätigungselements gleichzeitig betätigbar sind. The invention relates to a hybrid module for a motor vehicle for coupling an internal combustion engine, which comprises a first drive shaft and associated therewith a first electric machine and a first clutch device. Furthermore, the hybrid module comprises a second drive shaft and a second electric machine and a second clutch device. In addition, the hybrid module has an output element. A respective drive shaft can be connected or connected to the output element via a respective coupling device. It is inventively provided that the two coupling devices are simultaneously actuated by a movement of a mechanically coupled with two coupling devices actuator.
Das Abtriebselement ist vorzugsweise eine Abtriebswelle zur Weiterleitung der anliegenden Drehmomente auf ein Getriebe oder auf antreibende Räder eines Kraftfahrzeuges. Vorzugsweise sind die beiden Kupplungseinrichtungen  The output element is preferably an output shaft for forwarding the applied torques to a transmission or to the driving wheels of a motor vehicle. Preferably, the two coupling devices
ausschließlich zur wechselseitigen Schließung ausgestaltet. designed exclusively for mutual closure.
Mit den Kupplungseinrichtungen kann Drehmoment von der  With the coupling devices can torque from the
Verbrennungskraftmaschine auf die erste elektrische Maschine übertragen werden und/oder von der Verbrennungskraftmaschine auf die zweite elektrische Maschine übertragen werden. Internal combustion engine are transferred to the first electric machine and / or transferred from the internal combustion engine to the second electric machine.
Der Vorteil des erfindungsgemäßen Hybridmoduls liegt insbesondere darin, dass zum Betrieb der beiden Kupplungseinrichtungen lediglich eine Betätigungseinrichtung erforderlich ist, welche mit einer axialen Bewegung des Betätigungselements in der Lage ist, eine der Kupplungseinrichtungen zu schließen und dadurch die andere Kupplungseinrichtung zu öffnen. The advantage of the hybrid module according to the invention is, in particular, that only one actuating device is used to operate the two coupling devices is required, which with an axial movement of the actuating element is able to close one of the coupling means and thereby to open the other coupling means.
Derart kann in einfacher Weise ein gefordertes Konzept umgesetzt werden, bei dem im Verbrennungsmotorbetrieb eine der beiden elektrischen Maschinen nicht als Antrieb dient und nicht im Generatorbetrieb läuft. Entsprechend ist keine Energie aufzubringen, um diese elektrische Maschine bzw. ihren Rotor in Rotation zu versetzen. Mit anderen Worten sorgt die vorliegende Erfindung dafür, dass eine ansonsten leerlaufende elektrische Maschine abgekoppelt werden kann.  In this way, a required concept can be implemented in a simple manner in which one of the two electric machines does not serve as the drive in internal combustion engine operation and does not run in generator mode. Accordingly, no energy is required to set this electric machine or its rotor in rotation. In other words, the present invention ensures that an otherwise idle electric machine can be decoupled.
In einer Ausgestaltung des erfindungsgemäßen Hybridmoduls ist vorgesehen, dass der Rotor der ersten elektrischen Maschine drehfest mit der ersten Antriebswelle verbunden ist und der Rotor der zweiten elektrischen Maschine drehfest mit dem Abtriebselement verbunden ist. In one embodiment of the hybrid module according to the invention it is provided that the rotor of the first electric machine is rotatably connected to the first drive shaft and the rotor of the second electric machine is non-rotatably connected to the output element.
Das bedeutet, dass die erste Antriebswelle fest mit dem Rotor der ersten elektrischen Maschine verbunden ist und an die erste Kupplungseinrichtung angeschlossen ist. This means that the first drive shaft is fixedly connected to the rotor of the first electric machine and is connected to the first coupling device.
Die zweite elektrische Maschine ist direkt dem Abtriebselement bzw. der Abtriebswelle zugeordnet. The second electric machine is assigned directly to the output element or the output shaft.
In weiterer vorteilhafter Ausgestaltung des Hybridmoduls ist vorgesehen, dass die erste Kupplungseinrichtung und die zweite Kupplungseinrichtung beide Bestandteile einer Doppelkupplungsvorrichtung sind, die einen für die beiden In a further advantageous embodiment of the hybrid module is provided that the first coupling means and the second coupling means are both components of a double clutch device, one for the two
Kupplungseinrichtungen gemeinsamen Außenlamellenträger aufweist. Bei Ausführung der Doppelkupplungsvorrichtung mit gemeinsamem Außenlamellenträger sind an der ersten Antriebswelle und dem Abtriebselement angeschlossene Bestandteile der beiden Kupplungseinrichtungen Innenlamellenträger. Dabei ist die Erfindung nicht auf die erwähnte Anbindung der Antriebs-bzw. Abtriebsseite an Innenlamellenträger und Außenlamellenträger eingeschränkt, sondern Innenlamellenträger und Coupling has common outer disk carrier. In execution of the dual clutch device with common outer disk carrier are connected to the first drive shaft and the driven element components of the two clutch devices inner disc carrier. The invention is not limited to the mentioned connection of the drive or. Output side limited to inner disk carrier and outer disk carrier, but inner disk carrier and
Außenlamellenträger können auch der jeweils anderen Seite zugeordnet sein. Das bedeutet, dass die Doppelkupplungsvorrichtung derart konzipiert ist, dass immer nur eine der beiden Kupplungseinrichtungen geschlossen ist, wobei in diesem External disk carrier can also be assigned to the other side. This means that the dual clutch device is designed such that always only one of the two clutch devices is closed, wherein in this
geschlossenen Zustand die andere Kupplungseinrichtung geöffnet ist. Die Betätigung einer der beiden Kupplungseinrichtungen führt automatisch auch zur Betätigung der anderen Kupplungseinrichtung, sodass die wechselseitige Betätigung gewährt ist. closed state the other coupling device is open. The operation one of the two coupling devices automatically leads to the operation of the other coupling device, so that the mutual actuation is granted.
In einer günstigen Ausgestaltung des Hybridmoduls weisen die beiden In a favorable embodiment of the hybrid module, the two have
Kupplungseinrichtungen ein Verbindungselement auf, welches mit dem Coupling devices on a connecting element, which with the
Betätigungselement mechanisch verbunden ist und oder welches das Actuator is mechanically connected and or which the
Betätigungselement zumindest teilweise ausbildet, und mit welchem Anpressplatten der ersten Kupplungseinrichtung und der zweiten Kupplungseinrichtung axial fest verbindbar oder verbunden sind, sodass eine axiale Verlagerung axiale Freigabe der ersten Anpressplatte gleichzeitig zur axialen Verlagerung oder axialen Freigabe der zweiten Anpressplatte führt, sodass eine gleichzeitige Betätigung der Actuator at least partially formed, and with which pressure plates of the first clutch means and the second clutch means axially fixed connectable or connected, so that an axial displacement axial release of the first pressure plate simultaneously leads to the axial displacement or axial release of the second pressure plate, so that a simultaneous actuation of the
Kupplungseinrichtungen mit gegensätzlicher Funktion realisierbar ist. Die Coupling devices with opposite function can be realized. The
gegensätzlichen Funktionen sind jeweils das Öffnen und Schließen der jeweiligen Kupplungseinrichtungen. Der Vorteil dieser Ausgestaltung ist, dass lediglich eine Betätigungseinrichtung bzw. ein Aktor zur Betätigung der beiden opposing functions are each the opening and closing of the respective coupling devices. The advantage of this embodiment is that only one actuator or an actuator for actuating the two
Kupplungseinrichtungen benötigt wird, welche bzw. welcher auf das Coupling devices is needed, which or which on the
Betätigungselement bzw. auf das Verbindungselement vorzugsweise mit einer axialen Kraft wirkt. Actuator or preferably acts on the connecting element with an axial force.
Als einen festen Bestandteil kann das Hybridmodul eine Betätigungseinrichtung aufweisen, welche zur gleichzeitigen Betätigung der ersten Kupplungseinrichtung sowie auch der zweiten Kupplungseinrichtung eingerichtet ist.  As an integral part of the hybrid module may comprise an actuating device which is adapted for the simultaneous actuation of the first clutch means as well as the second clutch means.
Vorzugsweise ist dabei die Betätigungseinrichtung derart angeordnet und eingerichtet, dass mit ihr eine Betätigungskraft auf das Betätigungselement zwecks dessen  Preferably, the actuating device is arranged and arranged such that with it an actuating force on the actuating element for the purpose of
Verschiebung aufbringbar ist. Insbesondere können die Betätigungseinrichtung und das Betätigungselement derart eingerichtet sein, dass eine unmittelbare Displacement can be applied. In particular, the actuating device and the actuating element can be configured such that an immediate
Kraftübertragung realisierbar ist. Power transmission is feasible.
In einer weiteren vorteilhaften Ausgestaltung des erfindungsgemäßen Hybridmoduls ist vorgesehen, dass wenigstens eine der Kupplungseinrichtungen eine In a further advantageous embodiment of the hybrid module according to the invention it is provided that at least one of the coupling devices a
Federeinrichtung, insbesondere eine Tellerfeder, aufweist, deren Federkraft bei Spannung der Federeinrichtung eine Schließung einer der beiden Kupplungseinrichtungen unterstützt und/oder bewirkt und eine Öffnung der jeweils anderen Kupplungseinrichtung unterstützt und/oder bewirkt. Spring device, in particular a plate spring, whose spring force upon tension of the spring means a closure of one of the two Supports and / or effects coupling devices and supports and / or effects an opening of the respective other coupling device.
Dabei kann sowohl die erste Kupplungseinrichtung eine erste Federeinrichtung aufweisen als auch die zweite Kupplungseinrichtung eine zweite Federeinrichtung aufweisen, wobei die erste Federeinrichtung als auch die zweite Federeinrichtung die Schließung der ersten Kupplungseinrichtung unterstützt und/oder bewirkt und die Öffnung der zweiten Kupplungseinrichtung unterstützt und/oder bewirkt. In this case, both the first coupling device having a first spring means and the second coupling means comprise a second spring means, wherein the first spring means and the second spring means supports the closure of the first coupling means and / or causes and supports the opening of the second coupling means and / or causes ,
Vorzugsweise ist dabei die von der ersten Federeinrichtung bewirkte erste Federkraft deutlich geringer als die Kraft, die zur vollständigen Schließung der zweiten  Preferably, the first spring force caused by the first spring device is significantly lower than the force required for the complete closure of the second spring force
Kupplungseinrichtung von der Betätigungseinrichtung aufzubringen ist. Dies hat den Vorteil, dass von der Betätigungseinrichtung insgesamt, d.h. zur Betätigung beider Kupplungseinrichtungen in beide Richtungen, eine Betätigungskraft mit geringer Schwankungsbreite aufzubringen ist. Entsprechend gering fällt der aufzubringende Steuerungsaufwand aus und die Betätigungseinrichtung ist mit entsprechend einfachen Mitteln realisierbar. Coupling device is applied by the actuator. This has the advantage that as a whole the actuator, i. to operate both coupling devices in both directions, an actuating force with a small fluctuation range is applied. The amount of control effort to be applied is correspondingly low and the actuating device can be realized with correspondingly simple means.
In einer weiteren vorteilhaften Ausgestaltung des Flybridmoduls ist vorgesehen, dass die zweite Kupplungseinrichtung einen zweiten Innenlamellenträger aufweist, der mit dem Abtriebselement drehfest und axial verschiebbar verbunden ist, wobei das Flybridmodul weiterhin eine Druckfedereinrichtung, insbesondere eine In a further advantageous embodiment of the Flybridmoduls is provided that the second coupling means comprises a second inner disk carrier which is rotatably connected to the output member and axially displaceable, wherein the Flybridmodul further comprises a compression spring device, in particular a
Schraubenfeder, aufweist, welche sich axial an dem Abtriebselement abstützt und gegen den zweiten Innenlamellenträger drückt, der sich wiederum axial an einem der ersten Kupplungseinrichtung und zweiten Kupplungseinrichtung gemeinsamen Coil spring, which is axially supported on the driven element and presses against the second inner disk carrier, which in turn is common to one of the first clutch means and second clutch means
Kupplungsträger abstützt. Dieser gemeinsame Kupplungsträger wiederum kann sich axial direkt oder indirekt an der ersten Antriebswelle abstützen. Vorzugsweise befindet sich axial zwischen dem Innenlamellenträger und dem Kupplungsträger und zwischen dem Kupplungsträger und der ersten Antriebswelle jeweils ein Rotationslager, welches der axialen Übertragung der von der Druckfedereinrichtung aufgebrachten axialen Kraft dient. Ein weiterer Aspekt der vorliegenden Erfindung ist eine Antriebsanordnung für ein Kraftfahrzeug mit einer Verbrennungskraftmaschine und einem erfindungsgemäßen Hybridmodul sowie mit einem Getriebe, wobei das Hybridmodul mit der Clutch carrier is supported. This common clutch carrier in turn can be axially supported directly or indirectly on the first drive shaft. Preferably, there is axially between the inner disk carrier and the clutch carrier and between the clutch carrier and the first drive shaft each have a rotary bearing, which serves for the axial transmission of the force applied by the compression spring means axial force. Another aspect of the present invention is a drive assembly for a motor vehicle with an internal combustion engine and a hybrid module according to the invention and with a transmission, wherein the hybrid module with the
Verbrennungskraftmaschine und dem Getriebe mechanisch über Internal combustion engine and the transmission mechanically over
Kupplungseinrichtungen des Hybridmoduls verbunden ist. Coupling devices of the hybrid module is connected.
Die oben beschriebene Erfindung wird nachfolgend vor dem betreffenden technischen Hintergrund unter Bezugnahme auf die zugehörigen Zeichnungen, welche bevorzugte Ausgestaltungen zeigen, detailliert erläutert. Die Erfindung wird durch die rein schematischen Zeichnungen in keiner Weise beschränkt, wobei anzumerken ist, dass die in den Zeichnungen gezeigten Ausführungsbeispiele nicht auf die dargestellten Maße eingeschränkt sind. Es ist dargestellt in The above-described invention will be explained in detail in the background of the relevant technical background with reference to the accompanying drawings, which show preferred embodiments. The invention is not limited by the purely schematic drawings in any way, it being noted that the embodiments shown in the drawings are not limited to the dimensions shown. It is shown in
Figur 1 : ein Teilschnitt eines erfindungsgemäßen Hybridmoduls, FIG. 1 shows a partial section of a hybrid module according to the invention,
Figur 2: ein Kraft-Weg-Diagramm mit dargestellten Kennlinien der ersten  Figure 2: a force-displacement diagram with illustrated characteristics of the first
Federeinrichtung und der Betätigungseinrichtung, und  Spring device and the actuator, and
Figur 3: ein Kraft-Weg-Diagramm mit dargestellter Summen-Kennlinie. Figure 3: a force-displacement diagram with illustrated sum characteristic.
Das in Figur 1 dargestellte erfindungsgemäße Hybridmodul umfasst in einem The hybrid module according to the invention shown in Figure 1 comprises in one
Gehäuse 1 , welches hier nur angedeutet ist, auf einer gemeinsamen Rotationsachse 2 eine erste Antriebswelle 10, auf der der Rotor 12 einer ersten elektrischen Maschine 11 drehfest gelagert ist. Housing 1, which is only indicated here, on a common axis of rotation 2, a first drive shaft 10, on which the rotor 12 of a first electric machine 11 is rotatably mounted.
Auf einem Abtriebselement 30 in Form einer Abtriebswelle sitzt drehfest der Rotor 22 einer zweiten elektrischen Maschine 21. Die erste Antriebswelle 10und das  On a driven member 30 in the form of an output shaft rotatably seated the rotor 22 of a second electric machine 21. The first drive shaft 10 and the
Abtriebselement 30 sind rotationssymmetrisch zueinander positioniert. Eine zweite Antriebswelle 20 ist dafür vorgesehen, mechanisch, gegebenenfalls über eine Output element 30 are rotationally symmetrical to each other. A second drive shaft 20 is provided for mechanically, optionally via a
Trennkupplung, mit einer Verbrennungskraftmaschine, die ebenfalls Bestandteil des Hybridmoduls sein kann, verbunden zu werden. Disconnect, to be connected to an internal combustion engine, which may also be part of the hybrid module.
Die erste Antriebswelle 10 ist über eine erste Kupplungseinrichtung 13 mit einem gemeinsamen Kupplungsträger 51 verbunden. Ebenso ist das Abtriebselement 30, über eine zweite Kupplungseinrichtung 23 mit dem gemeinsamen Kupplungsträger 51 verbunden. Dieser gemeinsame Kupplungsträger 51 ist über eine Verzahnung 31 mit der zweiten Antriebswelle 20drehfest verbunden. The first drive shaft 10 is connected via a first coupling device 13 with a common coupling carrier 51. Likewise, the output element 30, via a second coupling device 23 with the common coupling carrier 51st connected. This common clutch carrier 51 is connected via a toothing 31 with the second drive shaft 20 rotationally fixed.
In der hier dargestellten Ausführungsform bilden die erste Kupplungseinrichtung 13 und die zweite Kupplungseinrichtung 23 zusammen eine Doppelkupplungsvorrichtung 50 aus. Diese Doppelkupplungsvorrichtung 50 umfasst einen den beiden  In the embodiment illustrated here, the first clutch device 13 and the second clutch device 23 together form a dual clutch device 50. This dual clutch device 50 includes one of the two
Kupplungseinrichtungen 13,23 gemeinsamen Außenlamellenträger 52, der drehfest, hier verschweißt, mit dem gemeinsamen Kupplungsträger 51 verbunden ist. Clutch devices 13,23 common outer disk carrier 52, the rotationally fixed, welded here, is connected to the common clutch carrier 51.
Die erste Antriebswelle 10 selbst bildet einen ersten Innenlamellenträger 53 aus, an dem Innenlamellen der ersten Kupplungseinrichtung 13 angeordnet sind, alternierend mit am Außenlamellenträger 52 axial verschieblich angeordneten Außenlamellen der ersten Kupplungseinrichtung 13.  The first drive shaft 10 itself forms a first inner disk carrier 53, on which inner disks of the first clutch device 13 are arranged, alternately with outer disks of the first clutch device 13 arranged axially displaceably on the outer disk carrier 52.
In ähnlicher Weise trägt ein zweiter Innenlamellenträger 54, der über eine drehfeste Verbindung 55 mit dem Abtriebselement 30gekoppelt ist, Innenlamellen der zweiten Kupplungseinrichtung 23, die alternierend mit Außenlamellen der zweiten  Similarly, a second inner disk carrier 54, which is coupled via a non-rotatable connection 55 to the driven element 30, inner plates of the second coupling device 23, which alternately with outer plates of the second
Kupplungseinrichtung 23 angeordnet sind. Die Außenlamellen der zweiten Coupling device 23 are arranged. The outer plates of the second
Kupplungseinrichtung 23 sind dabei axial verschieblich am Außenlamellenträger 52 angeordnet. Coupling device 23 are arranged axially displaceable on the outer disk carrier 52.
Eine erste Anpressplatte 14 der ersten Kupplungseinrichtung 13 ist bei axialer Anlage an einem Anschlagpunkt axial fest mit einem Verbindungselement 56, welches auch als Druckstück bezeichnet wird, mit einer zweiten Anpressplatte der zweiten  A first pressure plate 14 of the first clutch device 13 is axially fixed to a stop point axially fixed to a connecting element 56, which is also referred to as a pressure piece, with a second pressure plate of the second
Kupplungseinrichtung 23 gekoppelt. Derart können beide Anpressplatten 14,24 immer nur zusammen axial verlagert werden, so dass bei Betätigung einer Coupling device 23 coupled. In this way, both pressure plates 14, 24 can always only be displaced axially together, so that upon actuation of a
Kupplungseinrichtung 13,23 in einer Funktionsweise automatisch die jeweils andere Kupplungseinrichtung 13,23 in der entgegengesetzten Funktionsweise betätigt wird. Das bedeutet, dass bei einer Schließung der ersten Kupplungseinrichtung 13 automatisch die zweite Kupplungseinrichtung 23 geöffnet wird, und umgekehrt. Derart ist sichergestellt, dass bei Betrieb der zweiten elektrischen Maschine21 die erste elektrische Maschine 11 von dem Abtriebselement 30 bzw. der Abtriebswelle abgekoppelt ist und demzufolge keine Energie zur Realisierung einer Drehbewegung des ersten Rotors sowie zur Überwindung der dort auftretenden magnetischen Kräfte erbracht werden muss. Dabei ist das vorliegende erfindungsgemäße Flybridmodul nicht auf diese Ausführungsform eingeschränkt, sondern es kann auch vorgesehen sein, dass jeder Kupplungseinrichtung 13,23 eine eigene Betätigungseinrichtung zugeordnet ist, wobei allerdings auch dann diese extra Betätigungseinrichtungen derart ausgestaltet und angeordnet sein sollten, dass die beiden Clutch device 13,23 in an operation automatically the other clutch means 13,23 is operated in the opposite operation. This means that upon closure of the first clutch device 13, the second clutch device 23 is automatically opened, and vice versa. In this way, it is ensured that during operation of the second electric machine 21, the first electric machine 11 is decoupled from the output element 30 and the output shaft and therefore no energy for realizing a rotational movement of the first rotor and to overcome the magnetic forces occurring there must be provided. In this case, the present Flybridmodul invention is not limited to this embodiment, but it can also be provided be that each coupling device 13,23 is assigned its own actuator, but even then these extra controls should be designed and arranged such that the two
Kupplungseinrichtungen 13,23 gleichzeitig mit entgegengesetzter Funktionsweise betätigt werden können. Clutch devices 13,23 can be operated simultaneously with opposite operation.
Zur Betätigung der hier dargestellten Doppelkupplungsvorrichtung 50 ist eine hier nicht extra dargestellte Betätigungseinrichtung vorgesehen, welche sich vorzugsweise am Gehäuse 1 abstützt. Die Betätigungseinrichtung kann insbesondere ein  For actuating the double clutch device 50 shown here, an actuating device not shown here is provided, which is preferably supported on the housing 1. The actuating device can in particular a
hydraulisches System oder auch ein elektromechanisches System sein. Die von der Betätigungseinrichtung aufgebrachte Betätigungskraft 41 in axialer Richtung ist in Figur 1 ersichtlich, die auf ein Betätigungselement 40 wirkt, welches sich axial an einem Drehlager 57 abstützt. be hydraulic system or an electromechanical system. The actuating force 41 applied in the axial direction by the actuating device can be seen in FIG. 1, which acts on an actuating element 40, which is supported axially on a rotary bearing 57.
Das Drehlager 57 stützt sich wiederum axial an dem Verbindungselement 56 ab, welches axial fest mit den Anpressplatten 14,24 der beiden Kupplungseinrichtungen 13,23 verbindbar bzw. verbunden ist. Derart kann durch Ausübung der  The rotary bearing 57 in turn is supported axially on the connecting element 56, which is axially fixed to the pressure plates 14,24 of the two coupling devices 13,23 connected or connected. Such can be done by exercising the
Betätigungskraft 41 eine gleichzeitige Betätigung der beiden Kupplungseinrichtungen 13,23 erfolgen. Actuating force 41, a simultaneous actuation of the two coupling devices 13,23 done.
In der hier dargestellten Ausführungsform ist der ersten Kupplungseinrichtung 13 eine erste Federeinrichtung 15 in Form einer ersten Tellerfeder zugeordnet; und der zweiten Kupplungseinrichtung 23 ist eine zweite Federeinrichtung 25 in Form einer zweiten Tellerfeder zugeordnet. Die erste Federeinrichtung 15 bewirkt eine erste Federkraft 16 in derselben Richtung wie die von der zweiten Federeinrichtung 25 bewirkte zweite Federkraft 26. In the embodiment illustrated here, the first coupling device 13 is assigned a first spring device 15 in the form of a first plate spring; and the second coupling device 23 is associated with a second spring means 25 in the form of a second plate spring. The first spring device 15 causes a first spring force 16 in the same direction as the second spring force 26 effected by the second spring device 25.
Das bedeutet, dass beide Federeinrichtungen 15,25 in Richtung der Schließung der ersten Kupplungseinrichtung 13 und Öffnung der zweiten Kupplungseinrichtung 23 wirken. In der hier dargestellten Ausführungsform ist vorgesehen, dass im  This means that both spring devices 15, 25 act in the direction of closing the first clutch device 13 and opening the second clutch device 23. In the embodiment shown here it is provided that in
Wesentlichen die erste Federeinrichtung 15 die Öffnung der zweiten Essentially, the first spring means 15, the opening of the second
Kupplungseinrichtung 23 über einen ersten Teilweg bewirkt und die zweite Clutch device 23 effected via a first partial path and the second
Federeinrichtung 25 die Öffnung über einen zweiten Teilweg bewirkt. Spring means 25 causes the opening via a second partial path.
Die zweite Federeinrichtung 25 sichert zudem ab, dass das Verbindungselement 56 nicht vom Drehlager 57 abhebt. Zudem umfasst das hier dargestellte Hybridmodul eine Druckfedereinrichtung 60 in Form einer Schraubenfeder, die sich indirekt am Gehäuse 1 axial abstützt. An der axial gegenüberliegenden Seite drückt die Druckfedereinrichtung 60 gegen den zweiten Innenlamellenträger 54, der sich wiederum axial an einem ersten The second spring device 25 also ensures that the connecting element 56 does not lift off the pivot bearing 57. In addition, the hybrid module shown here comprises a compression spring device 60 in the form of a helical spring, which is supported axially on the housing 1 indirectly. On the axially opposite side, the compression spring device 60 presses against the second inner disk carrier 54, which in turn axially on a first
Rotationslager 61 abstützt. Dieses erste Rotationslager 61 stützt sich selbst am gemeinsamen Kupplungsträger 51 axial ab, der sich wiederum über ein zweites Rotationslager 62 an der ersten Antriebswelle 10 axial abstützt. Dadurch lassen sich in einfacher Weise gegebenenfalls im Hybridmodul bzw. in den einzelnen Bauteilen vorhandene Toleranzen und durch ständige Druckkraftbeaufschlagung in axialer Richtung reduzieren. Zudem werden die beteiligten Lager, nämlich das Drehlager 57 sowie das erste Rotationslager 61 und das zweite Rotationslager 62, axial Rotary bearing 61 is supported. This first rotary bearing 61 supports itself axially on the common clutch carrier 51, which in turn is axially supported on the first drive shaft 10 via a second rotary bearing 62. As a result, it is possible in a simple manner, if appropriate, to reduce existing tolerances in the hybrid module or in the individual components and by axial pressure in the individual components. In addition, the bearings involved, namely the pivot bearing 57 and the first rotary bearing 61 and the second rotary bearing 62, axially
vorgespannt, sodass sie ein nur noch geringes bzw. kein Axialspiel mehr aufweisen. biased so that they have a little or no axial play more.
Zur Schmierung der Doppelkupplungsvorrichtung 50 sind in der ersten Antriebswelle 10 Bohrungen 63 zur Ermöglichung des Transports von Schmiermitteln, die auch der Kühlung dienen können, integriert. For lubrication of the dual clutch device 50 10 holes 63 are provided in the first drive shaft to allow the transport of lubricants, which can also serve for cooling integrated.
Eine Relativ-Rotationsbewegung zwischen der zweiten Antriebswelle 20 und dem koaxial angeordneten Abtriebselement 30 wird durch ein Nadellager 64 gewährleistet. Die dargestellten Kupplungseinrichtungen 13,23 sind nicht auf Lamellenkupplungen eingeschränkt, sondern es lassen sich stattdessen auch andere reibschlüssig arbeitende Kupplungen oder auch formschlüssig wirkende Kupplungen einsetzen.  A relative rotational movement between the second drive shaft 20 and the coaxially arranged output element 30 is ensured by a needle bearing 64. The illustrated coupling devices 13,23 are not limited to multi-plate clutches, but it can be used instead other friction clutches or clutches acting positively.
Die in den Figuren 2 und 3 dargestellten Diagramme zeigen typische Kennlinien des Kraft-Weg-Verlaufs einer Federeinrichtung sowie der angeschlossenen The diagrams shown in Figures 2 and 3 show typical characteristics of the force-displacement curve of a spring device and the connected
Betätigungseinrichtung. Actuating device.
In Figur 2 ist dabei die Kennlinie 70 der ersten Tellerfeder, die hier als erste  In FIG. 2, the characteristic curve 70 of the first disk spring is the first one here
Federeinrichtung 15 vorgesehen ist, dargestellt. Dabei ist der Betriebspunkt K1 ersichtlich, bei dem die erste Kupplungseinrichtung 13 vollständig geschlossen ist. Bei Betätigung der ersten Kupplungseinrichtung 13 durch axiale Verschiebung der ersten Anpressplatte 14 entlang der Richtung der Betätigungskraft 41 über einen im Spring device 15 is provided, shown. In this case, the operating point K1 can be seen, in which the first clutch device 13 is completely closed. Upon actuation of the first clutch device 13 by axial displacement of the first pressure plate 14 along the direction of the actuating force 41 via a in the
Diagramm in Figur 2 dargestellten positiven Weg s verändert sich die von der ersten Federeinrichtung 15 bzw. ersten Tellerfeder aufgebrachte Kraft F. Es ist ersichtlich, dass nach einem kurzzeitigen Anstieg der Kraft F diese bei weiterer Vergrößerung des Weges s deutlich geringer wird. Diagram 2 in Figure 2 shown positive path s changes from the first spring means 15 and the first plate spring applied force F. It can be seen that after a brief increase in the force F, this becomes significantly lower as the distance s is further increased.
Weiterhin ist in Figur 2 die Kennlinie 80 der Betätigungseinrichtung dargestellt. Es ist ersichtlich, dass nach zunächst geringer benötigter Kraft F zur Zurücklegung eines relativ langen Weges s ein Knick in der Kennlinie 80 erfolgt, und dann die Kennlinie 80 einen steileren Anstieg aufweist. Dies ist dadurch begründet, dass bei Schließung der zweiten Kupplungseinrichtung 23 nach zunächst erfolgtem Zusammenschieben der Lamellen der zweiten Kupplungseinrichtung 23 und Kontaktieren der Lamellen diese mit verstärkter Kraft F zusammengedrückt werden müssen, um einen weiteren  Furthermore, the characteristic curve 80 of the actuating device is shown in FIG. It can be seen that, after a first low required force F, a kink in the characteristic curve 80 takes place to cover a relatively long distance s, and then the characteristic curve 80 has a steeper rise. This is due to the fact that upon closure of the second coupling device 23 after first pushing together the lamellae of the second coupling device 23 and contacting the lamellae they must be compressed with increased force F, to another
Betätigungsweg zu realisieren und um entsprechend eine hohe axiale Anpresskraft zu übertragen, die die Übertragung eines hohen Reibmomentes gewährleistet. Activation to realize and to transmit a correspondingly high axial contact force, which ensures the transmission of a high friction torque.
Das Maß des Anstieges der Kennlinie 80 wird durch die Bauteilsteifigkeiten der beteiligten Bauelemente sowie durch die Kompression der Beläge der Lamellen sowie der wirkenden zweiten Federeinrichtung 25 beeinflusst.  The extent of the rise of the characteristic curve 80 is influenced by the component stiffnesses of the components involved as well as by the compression of the linings of the lamellae as well as the acting second spring device 25.
Hier ist weiterhin der Punkt K2 ersichtlich, der den Weg-Punkt verdeutlicht, bei dem die zweite Kupplungseinrichtung 23 vollständig geschlossen ist. Für das hier dargestellte Ausführungsbeispiel beträgt dieser Weg s 1 ,8 mm, der neben den von den Lamellen zurückzulegenden Wegen auch von den Toleranzen der  Here, the point K2 is still visible, which illustrates the way point, in which the second clutch device 23 is fully closed. For the embodiment shown here, this distance is s 1, 8 mm, in addition to the zurückzulegenden of the slats paths from the tolerances of
Kupplungseinrichtungen 13,23 abhängig ist. Coupling devices 13,23 is dependent.
Es ist erkennbar, dass bei dem zur Schließung der zweiten Kupplungseinrichtung 23 zurückgelegten Weg s die von der ersten Federeinrichtung 15 bzw. der ersten  It can be seen that, in the path s traveled to close the second clutch device 23, that of the first spring device 15 or of the first one
Tellerfeder aufgebrachte Kraft F bereits relativ gering ist. Diese relativ geringe Kraft F ist aber ausreichend, um bei Aufhebung der von der Betätigungseinrichtung bewirkten Betätigungskraft 41 eine selbsttätige Rückstellung in die Ausgangsposition vornehmen zu können und dabei die Reibung im System zu überwinden. Diaphragm spring applied force F is already relatively low. However, this relatively small force F is sufficient to be able to make an automatic return to the starting position upon cancellation of the actuating force 41 caused by the actuating device, thereby overcoming the friction in the system.
Das erfindungsgemäße Hybridmodul kann des Weiteren mit einer Einrichtung zur Schlupferkennung ausgestaltet sein, mit der die Kupplungseinrichtungen 13,23 gegebenenfalls auch automatisch gesteuert betätigt werden können und mit der die herrschenden Anpresskräfte in den Kupplungseinrichtungen 13,23 eingestellt werden können. Figur 3 zeigt das rechnerische Ergebnis einer Addition der beiden zu Figur 2 erläuterten Kennlinien 70, 80, wobei ersichtlich ist, dass die zur Realisierung der beiden charakteristischen Punkte K1 und K2 benötigten Kräfte F nur unwesentlich voneinander differieren. Zudem ist ersichtlich, dass die Summen-Kennlinie 90 in Figur 2 nur geringe Schwankungen zwischen den beiden Punkten K1 und K2 aufweist. In entsprechender Weise wird deutlich, dass eine vorzusehende Betätigungseinrichtung im Wesentlichen für nur einen relativ geringen, zu realisierenden Kraftbereich eingerichtet sein muss. Mit dem hier vorgeschlagenen Flybridmodul wird eine Antriebseinrichtung für ein Kraftfahrzeug zur Verfügung gestellt, die mit Beanspruchung eines geringen The hybrid module according to the invention may further be configured with a device for slip detection, with which the coupling devices 13,23 can be optionally controlled automatically controlled and with the prevailing contact forces in the coupling devices 13,23 can be adjusted. FIG. 3 shows the mathematical result of an addition of the two characteristic curves 70, 80 explained with reference to FIG. 2, wherein it can be seen that the forces F required to realize the two characteristic points K1 and K2 differ only insignificantly from one another. In addition, it can be seen that the sum characteristic curve 90 in FIG. 2 has only slight fluctuations between the two points K1 and K2. In a corresponding manner, it becomes clear that an actuating device to be provided essentially has to be set up for only a relatively small force range to be realized. With the Flybridmodul proposed here, a drive device for a motor vehicle is provided, which with a low load
Bauraums einen energieeffizienten Betrieb in mehreren unterschiedlichen Space an energy-efficient operation in several different
Betriebsmodi bietet. Operating modes offers.
BezuqszeichenlisteLIST OF REFERENCES
1 Gehäuse 1 housing
2 Rotationsachse  2 rotation axis
10 erste Antriebswelle  10 first drive shaft
11 erste elektrische Maschine  11 first electric machine
12 Rotor der ersten elektrischen Maschine 12 rotor of the first electric machine
13 erste Kupplungseinrichtung 13 first coupling device
14 erste Anpressplatte  14 first pressure plate
15 Erste Federeinrichtung  15 First spring device
16 Erste Federkraft  16 First spring force
20 zweite Antriebswelle  20 second drive shaft
21 zweite elektrische Maschine  21 second electric machine
22 Rotor der zweiten elektrischen Maschine 22 rotor of the second electric machine
23 zweite Kupplungseinrichtung 23 second coupling device
24 zweite Anpressplatte  24 second pressure plate
25 zweite Federeinrichtung  25 second spring device
26 zweite Federkraft  26 second spring force
30 Abtriebselement  30 output element
31 Verzahnung  31 toothing
40 Betätigungselement  40 actuator
41 Betätigungskraft  41 operating force
50 Doppelkupplungsvorrichtung  50 double clutch device
51 Gemeinsamer Kupplungsträger  51 Common coupling carrier
52 Außenlamellenträger  52 outer disc carrier
53 Erster Innenlamellenträger  53 First inner disc carrier
54 Zweiter Innenlamellenträger  54 Second inner disk carrier
55 drehfeste Verbindung  55 non-rotatable connection
56 Verbindungselement  56 connecting element
57 Drehlager  57 pivot bearings
60 Druckfedereinrichtung  60 compression spring device
61 Erstes Rotationslager 62 Zweites Rotationslager 61 First rotary bearing 62 Second rotary bearing
63 Bohrung für Schmiermittel  63 Bore for lubricant
64 Nadellager  64 needle roller bearings
70 Kennlinie der ersten Tellerfeder  70 characteristic of the first diaphragm spring
80 Kennlinie der Betätigungseinrichtung 80 characteristic of the actuator
90 Summen-Kennlinie der ersten Tellerfeder und der Betätigungseinrichtung  90 sum characteristic of the first disc spring and the actuator

Claims

Patentansprüche claims
1. Hybridmodul für ein Kraftfahrzeug zum Ankoppeln einer 1. hybrid module for a motor vehicle for coupling a
Verbrennungskraftmaschine, umfassend eine erste Antriebswelle (10) und dieser zugeordnet eine erste elektrische Maschine (11 ) sowie eine erste  Internal combustion engine, comprising a first drive shaft (10) and associated therewith a first electric machine (11) and a first
Kupplungseinrichtung (13), und umfassend eine zweite Antriebswelle (20) und eine zweite elektrische Maschine (21 ) sowie eine zweite Kupplungseinrichtung (23); sowie weiterhin umfassend ein Abtriebselement (30), und die jeweilige Antriebswelle (10,20) über eine jeweilige Kupplungseinrichtung (13,23) mit dem Abtriebselement (30) verbindbar bzw. verbunden ist, dadurch gekennzeichnet, dass die beiden Kupplungseinrichtungen (13,23) durch eine Bewegung eines mit beiden Kupplungseinrichtungen (13,23) mechanisch gekoppelten  A clutch device (13), and comprising a second drive shaft (20) and a second electric machine (21) and a second clutch device (23); and furthermore comprising an output element (30), and the respective drive shaft (10, 20) can be connected or connected to the output element (30) via a respective coupling device (13, 23), characterized in that the two coupling devices (13, 23 ) by a movement of one with two coupling devices (13,23) mechanically coupled
Betätigungselements (40) gleichzeitig betätigbar sind.  Actuator (40) are actuated simultaneously.
2. Hybridmodul nach Anspruch 1 , dadurch gekennzeichnet, dass der Rotor (12) der ersten elektrischen Maschine (11 ) drehfest mit der ersten Antriebswelle (10) verbunden ist; und dass der Rotor (22) der zweiten elektrischen Maschine (21 ) drehfest mit dem Abtriebselement (30) verbunden ist. 2. hybrid module according to claim 1, characterized in that the rotor (12) of the first electric machine (11) rotatably connected to the first drive shaft (10) is connected; and that the rotor (22) of the second electric machine (21) is non-rotatably connected to the output member (30).
3. Hybridmodul nach einem der vorhergehenden Ansprüche, dadurch 3. Hybrid module according to one of the preceding claims, characterized
gekennzeichnet, dass die erste Kupplungseinrichtung (13) und die zweite  characterized in that the first coupling means (13) and the second
Kupplungseinrichtung (23) beide Bestandteile einer Doppelkupplungsvorrichtung (50) sind, die einen für die beiden Kupplungseinrichtungen (13,23) gemeinsamen Außenlamellenträger (52) aufweist.  Coupling device (23) are both components of a double clutch device (50), which has a common for the two clutch devices (13,23) outer disk carrier (52).
4. Hybridmodul nach einem der vorhergehenden Ansprüche, dadurch 4. Hybrid module according to one of the preceding claims, characterized
gekennzeichnet, dass die beiden Kupplungseinrichtungen (13,23) ein  characterized in that the two coupling means (13,23) a
Verbindungselement (56) aufweisen, welches mit dem Betätigungselement (40) mechanisch verbunden ist und oder welches das Betätigungselement (40) zumindest teilweise ausbildet, und mit welchem Anpressplatten (14,24) der ersten Kupplungseinrichtung (13) und der zweiten Kupplungseinrichtung (23) axial fest verbindbar oder verbunden sind, sodass eine axiale Verlagerung der ersten Anpressplatte (14) gleichzeitig zur axialen Verlagerung der zweiten Anpressplatte (24) führt, sodass eine gleichzeitige Betätigung der Kupplungseinrichtungen (13,23) mit gegensätzlicher Funktion realisierbar ist. Connecting element (56) which is mechanically connected to the actuating element (40) and or which at least partially forms the actuating element (40), and with which pressure plates (14,24) of the first coupling device (13) and the second coupling device (23) axially fixedly connected or connected, so that an axial displacement of the first pressure plate (14) simultaneously to the axial displacement of the second pressure plate (24) leads, so that a simultaneous actuation of the coupling means (13,23) can be realized with opposite function.
5. Hybridmodul nach einem der vorhergehenden Ansprüche, dadurch 5. Hybrid module according to one of the preceding claims, characterized
gekennzeichnet, dass das Hybridmodul eine Betätigungseinrichtung aufweist, welche zur gleichzeitigen Betätigung der ersten Kupplungseinrichtung (13) sowie auch der zweiten Kupplungseinrichtung (23) eingerichtet ist.  in that the hybrid module has an actuating device which is set up for the simultaneous actuation of the first clutch device (13) as well as the second clutch device (23).
6. Hybridmodul nach Anspruch 5, dadurch gekennzeichnet, dass die 6. hybrid module according to claim 5, characterized in that the
Betätigungseinrichtung derart angeordnet und eingerichtet ist, dass mit ihr eine Betätigungskraft (41 ) auf das Betätigungselement (40) zwecks dessen  Actuating device is arranged and arranged such that with it an actuating force (41) on the actuating element (40) for the purpose of
Verschiebung aufbringbar ist.  Displacement can be applied.
7. Hybridmodul nach wenigstens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass wenigstens eine der Kupplungseinrichtungen (13,23) eine Federeinrichtung (15,25), insbesondere eine Tellerfeder, aufweist, deren 7. hybrid module according to at least one of the preceding claims, characterized in that at least one of the coupling means (13,23) comprises a spring means (15,25), in particular a plate spring, whose
Federkraft (16,26) bei Spannung der Federeinrichtung (15,25) eine Schließung einer der beiden Kupplungseinrichtungen (13,23) unterstützt und/oder bewirkt und eine Öffnung der jeweils anderen Kupplungseinrichtung (13,23) unterstützt und/oder bewirkt.  Spring force (16,26) in tension of the spring means (15,25) supports and / or causes a closure of one of the two coupling means (13,23) and supports and / or causes an opening of the respective other coupling means (13,23).
8. Hybridmodul nach Anspruch 7, dadurch gekennzeichnet, dass sowohl die erste Kupplungseinrichtung (13) eine erste Federeinrichtung (15) aufweist als auch die zweite Kupplungseinrichtung (23) eine zweite Federeinrichtung (25) aufweist, wobei die erste Federeinrichtung (15) als auch die zweite Federeinrichtung (25) die Schließung der ersten Kupplungseinrichtung (13) unterstützt und/oder bewirkt und die Öffnung der zweiten Kupplungseinrichtung (23) unterstützt und/oder bewirkt. 8. hybrid module according to claim 7, characterized in that both the first coupling means (13) comprises a first spring means (15) and the second coupling means (23) comprises a second spring means (25), wherein the first spring means (15) as well the second spring device (25) supports and / or effects the closure of the first clutch device (13) and supports and / or effects the opening of the second clutch device (23).
9. Hybridmodul nach einem der vorhergehenden Ansprüche, dadurch 9. Hybrid module according to one of the preceding claims, characterized
gekennzeichnet, dass die zweite Kupplungseinrichtung (23) einen zweiten Innenlamellenträger (54) aufweist, der mit dem Abtriebselement (30) drehfest und axial verschiebbar verbunden ist, wobei das Hybridmodul weiterhin eine in that the second clutch device (23) has a second inner disk carrier (54) which is non-rotatable with the output element (30) and axially slidably connected, wherein the hybrid module further comprises a
Druckfedereinrichtung (60), insbesondere eine Schraubenfeder, aufweist, welche sich axial an dem Abtriebselement (30) abstützt und gegen den zweiten  Compression spring device (60), in particular a helical spring, which is axially supported on the output element (30) and against the second
Innenlamellenträger (54) drückt, der sich wiederum axial an einem der ersten Kupplungseinrichtung (13) und zweiten Kupplungseinrichtung (23) gemeinsamen Kupplungsträger (51 ) abstützt.  Inner disk carrier (54) presses, which in turn axially on one of the first coupling means (13) and second coupling means (23) common coupling carrier (51) is supported.
10. Antriebsanordnung für ein Kraftfahrzeug mit einer Verbrennungskraftmaschine und einem Hybridmodul gemäß einem der Ansprüche 1 bis 9 sowie mit einem Getriebe, wobei das Hybridmodul mit der Verbrennungskraftmaschine und dem Getriebe mechanisch über Kupplungseinrichtungen (13,23) des Hybridmoduls verbunden ist. 10. Drive arrangement for a motor vehicle with an internal combustion engine and a hybrid module according to one of claims 1 to 9 and with a transmission, wherein the hybrid module with the internal combustion engine and the transmission is mechanically connected via coupling means (13,23) of the hybrid module.
EP19706874.5A 2018-02-14 2019-02-04 Hybrid module and drive assembly for a motor vehicle Withdrawn EP3752379A1 (en)

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DE102018103336.2A DE102018103336A1 (en) 2018-02-14 2018-02-14 Hybrid module and drive arrangement for a motor vehicle
PCT/DE2019/100117 WO2019158156A1 (en) 2018-02-14 2019-02-04 Hybrid module and drive assembly for a motor vehicle

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US11440396B2 (en) 2022-09-13
DE102018103336A1 (en) 2019-08-14
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CN111565955B (en) 2023-06-30
US20210053432A1 (en) 2021-02-25
CN111565955A (en) 2020-08-21
KR20200118403A (en) 2020-10-15

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