WO2020259738A1 - Dispositif de transmission de couple, module hybride et système d'entraînement pour un vehicule à moteur - Google Patents

Dispositif de transmission de couple, module hybride et système d'entraînement pour un vehicule à moteur Download PDF

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Publication number
WO2020259738A1
WO2020259738A1 PCT/DE2020/100409 DE2020100409W WO2020259738A1 WO 2020259738 A1 WO2020259738 A1 WO 2020259738A1 DE 2020100409 W DE2020100409 W DE 2020100409W WO 2020259738 A1 WO2020259738 A1 WO 2020259738A1
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WO
WIPO (PCT)
Prior art keywords
output shaft
radial
hybrid module
toothing
torque transmission
Prior art date
Application number
PCT/DE2020/100409
Other languages
German (de)
English (en)
Inventor
Florian Nachtmann
Original Assignee
Schaeffler Technologies AG & 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 & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Priority to DE112020003041.5T priority Critical patent/DE112020003041A5/de
Priority to CN202080042611.6A priority patent/CN113939419A/zh
Publication of WO2020259738A1 publication Critical patent/WO2020259738A1/fr

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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
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—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
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
    • F16D25/082—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/18—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts (1) having slidably-interengaging teeth
    • F16D3/185—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts (1) having slidably-interengaging teeth radial teeth connecting concentric inner and outer coupling parts
    • 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
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
    • F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2361/00—Apparatus or articles in engineering in general
    • F16C2361/43—Clutches, e.g. disengaging bearing
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/581—Raceways; Race rings integral with other parts, e.g. with housings or machine elements such as shafts or gear wheels
    • 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
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
    • F16D1/033—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like by clamping together two faces perpendicular to the axis of rotation, e.g. with bolted flanges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D13/00—Friction clutches
    • F16D13/22—Friction clutches with axially-movable clutching members
    • F16D13/38—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs
    • F16D13/385—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs double clutches, i.e. comprising two friction disc mounted on one driven shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2300/00—Special features for couplings or clutches
    • F16D2300/12—Mounting or assembling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
    • F16D3/04—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted to allow radial displacement, e.g. Oldham couplings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

Definitions

  • Torque transmission device hybrid module and drive arrangement for a motor vehicle
  • the invention relates to a torque transmission device for transmitting a torque from a drive to an output, a hybrid module for a motor vehicle with a torque transmission device according to the invention, and a drive arrangement for a motor vehicle, comprising a hybrid module according to the invention.
  • a compensation device with three meander discs is known.
  • the three meander discs are arranged axially one behind the other, a first meander disc is connected to an input shaft, a second meander disc is connected to the first meander disc and a third meander disc is connected to the second meander disc and an output shaft.
  • the connections between the individual meander discs are designed in such a way that a
  • a clutch device with which torque can be transmitted from the internal combustion engine to the hybrid module and with which the hybrid module can be separated from the internal combustion engine, an output for coupling to a transmission and an electric machine for generating drive torque.
  • the electric machine enables electric driving, increased performance for internal combustion engine operation and recuperation.
  • hybrid modules of this type there can be a radial offset between an output shaft of the hybrid module or a rotation axis of the hybrid module and an input shaft of a transmission or a rotation axis to be coupled of the transmission.
  • a radial offset can occur in particular with so-called add-on hybrid modules, ie hybrid modules for the purpose of retrofitting a drive train.
  • Such devices are used, in particular, in hybrid modules to compensate for a radial offset occurring between an output shaft of the hybrid module and a transmission input shaft of a transmission to be connected to the hybrid module.
  • So-called flexplates or flexplate assemblies are also known for radial offset compensation. These comprise at least one hub element and an elastic element, the hub element being firmly connected to the transmission input shaft and the elastic element to an output element of the
  • the hub element can be designed with a toothing, such as a spline internal toothing, for the purpose of connecting to the transmission input shaft.
  • the transmission input shaft has correspondingly complementary teeth to the internal splines of the hub element
  • the hybrid module can in particular be a rotor carrier of an electrical machine of the hybrid module or be connected to it in a rotationally fixed manner.
  • the elastic element enables a slightly angled arrangement or a lateral offset of the shafts with respect to one another if at least one of the shafts enables a radial deflection in a flexible manner.
  • the transmission input shaft has a high
  • Hybrid module on a gearbox input shaft of a gearbox usually implemented via radial profile gears. Even a slight misalignment of the
  • the present invention is based on the object of providing a torque transmission device, a hybrid module and a drive arrangement which, in a structurally simple manner, compensate for a radial offset with the low axial space requirements
  • Torque transmission devices are defined in subclaims 2 to 4
  • a hybrid module for a motor vehicle which has the torque transmission device according to the invention, is provided according to claim 5.
  • Advantageous configurations of the hybrid module are specified in subclaims 6 and 7.
  • the invention relates to a torque transmission device for transmitting a torque from a drive to an output, comprising an output shaft that can be rotated about an axis of rotation and a rotation bearing for pivoting the output shaft.
  • the torque transmission device comprises a housing for at least indirect axial support of the rotary bearing and thus the output shaft, as well as a contact element which defines a contact plane that is essentially perpendicular to the axis of rotation.
  • the rotary bearing is supported in the axial direction in the contact plane by the contact element and is fixed in its radial position on the contact element in a non-positive manner in the radial direction. In this way, the rotary bearing can be displaced while overcoming frictional forces in the contact plane, at least during assembly.
  • the output shaft is manually adjustable in its radial position.
  • the contact element is supported on the housing and the rotary bearing is designed as a roller bearing and is axially supported with an outer ring on the contact element.
  • the inner ring of the rotary bearing is supported radially and axially at least indirectly on the output shaft.
  • the outer ring of the rotary bearing is preferably arranged in a radially immovable manner on the housing.
  • Torque transmission device furthermore a spring device, in particular a plate spring, with which a force acting axially on the rotary bearing and the contact element is constantly exerted, so that the rotary bearing and the contact element are permanently in contact with one another.
  • a spring device in particular a plate spring, with which a force acting axially on the rotary bearing and the contact element is constantly exerted, so that the rotary bearing and the contact element are permanently in contact with one another.
  • the output shaft can be fed together with the rotary bearing as a structural unit for assembly, so that only the frictional forces between the rotary bearing and the contact element that are realized by the constantly acting force have to be overcome in order to achieve radial positioning of the rotary bearing and the
  • the spring device is designed in such a way that the frictional forces are large enough to maintain their position in the radial direction after assembly even when there are active influences, such as e.g. from other components to the
  • Torque transmission device introduced vibrations or strong acceleration of the output shaft to secure.
  • the spring device ensures that the radial position of the rotary bearing and thus also the radial position of the output shaft is secured after assembly.
  • the contact element can be changed in its axial position with respect to the housing.
  • this can be realized by a threaded connection between the contact element and the housing, the contact element being designed as a special nut and thus executing a rotary movement around the
  • Axis of rotation is axially displaceable.
  • a flybridge module for a motor vehicle for coupling an internal combustion engine and a transmission which has a torque transmission device according to the invention and a rotor carrier to which the output shaft is essentially non-rotatably coupled, having, wherein the hybrid module comprises a curved tooth coupling for realizing the non-rotatable coupling between rotor arm and output shaft.
  • the curved tooth coupling is a non-switchable coupling with which small axial or angular misalignments of torque-transmitting machine elements are im
  • the output shaft and the rotor arm which may result from the radially displaceable arrangement of the output shaft and the rotary bearing, can be compensated in a simple manner.
  • the hybrid module advantageously comprises an electrical machine with a rotor, which is connected to the rotor arm in a rotationally fixed manner, and also a
  • the hybrid module can be a
  • Housing wall forming wall section is only arranged on the transmission side, and no housing or housing wall is formed on the axially opposite side, so that the hybrid module is essentially not closed by the housing on the side facing the input side or the position of an internal combustion engine.
  • the hybrid module can also comprise a coupling device, the curved tooth coupling being arranged radially and axially, at least in sections, within the space surrounding the coupling device.
  • the coupling device is advantageously arranged at least in some areas within a space radially surrounding by the rotor arm. It can be provided that the rotor arm and the coupling device are connected to one another via a torque transmission device, the
  • Torque transmission device by several leaf springs transmits torque from the coupling device to the rotor arm.
  • the rotor arm as well as the output shaft each form an internal toothing
  • the curved tooth coupling has a connecting element connecting the internal toothing of the rotor arm with the internal toothing of the output shaft, which connects to the internal toothing of the rotor arm and the internal toothing of the Output shaft comprises at least one external toothing.
  • Connecting elements are designed as radial profile teeth and spherical in order to offset the rotor carrier and output shaft parallel to the axis of rotation of a shaft to be connected to the output shaft, in particular one
  • Curved tooth coupling or the output shaft and the curved tooth coupling remain in engagement even in the case of tilting and / or at least a slight axial and / or radial offset.
  • the connecting element can be designed as a sleeve.
  • the connecting element is essentially in the form of a
  • the hybrid module can furthermore have an input shaft and a support sleeve, the input shaft being supported on the support sleeve at least in the radial direction via a roller bearing.
  • the support sleeve can be supported in the radial direction on the rotor arm by direct mechanical contact, so that provision can accordingly be made to support the input shaft on the rotor arm via the support sleeve.
  • the input shaft is preferably rotationally fixed to the input side of a
  • Coupling device designed as a double coupling device with the
  • Double-disc clutch designed, connected, and used for coupling with an internal combustion engine, possibly via a vibration damper.
  • the output side of the coupling device is rotatably coupled to the rotor arm.
  • the connecting element can also have at least one axially on both sides
  • Lubrication of the toothing is particularly advantageous when the curved tooth coupling is tilted, since in this case there is a load change acting axially on the teeth of a respective toothing in the form of sliding movements of the tooth flanks of the interlocking teeth of the toothing with each revolution.
  • the resulting friction can be reduced by the lubricant and accordingly a high number of sliding movements can be realized over the life of the curved tooth coupling.
  • a tilting of the curved tooth coupling is to be understood in particular as meaning that the rotor support and the output shaft are radially offset from one another and that
  • Connecting element is tilted to the parallel to each other
  • Mechanically non-rotatable connecting element connects the rotor arm and the output shaft for the purpose of torque transmission between the rotor arm and the output shaft.
  • the output shaft has a
  • the output-side connection area of the output shaft On the output-side connection area for mechanical coupling with an output, in particular a transmission, the output-side connection area of the output shaft forming one side of a Hirth toothing for mechanical purposes
  • the Hirth toothing is an axially effective toothing designed with axially protruding teeth, the teeth of the two sides of the Hirth toothing interlocking in the axial direction and being able to transmit a torque in this way.
  • Curved tooth coupling is arranged radially and axially at least in some areas within the space surrounding the coupling device and thus does not take up any axial installation space.
  • the radial offset can also be compensated for independently of the radial rigidity of a connected transmission input shaft.
  • a drive arrangement for a motor vehicle which comprises a hybrid module according to the invention, a drive unit, in particular an internal combustion engine, and a transmission, the hybrid module being connected on an input side to the drive unit and with its output shaft to a transmission input shaft of the transmission .
  • the output side of the hybrid module corresponds to the output shaft.
  • the output side of the hybrid module can also correspond to an output element permanently connected to the output shaft.
  • the output element with the Hirth toothing comprises a first radial stop area for the radial contact of a first section of the output shaft, as well as a radial profile toothing for radial engagement in a complementary radial profile toothing on the transmission input shaft.
  • the transmission input shaft results in an exact coaxial arrangement of the
  • Output element forms a first radial stop area, it is also ensured that the output shaft is aligned exactly coaxially to the output element and consequently also coaxially to the transmission input shaft.
  • the output shaft is thus on the radial profile teeth
  • Gearbox input shaft can be centered.
  • the output shaft can form such a radial profile toothing on the output side for the purpose of centering the output shaft on the transmission input shaft.
  • the exact coaxial arrangement or the centering via the radial profile toothing can be achieved by correspondingly narrow tolerances of the radial profile toothing on the output shaft or the output element and the transmission input shaft.
  • Transmission input shaft a second radial stop area for the radial contact of a second section of the output shaft.
  • Section of the output shaft is used to ensure coaxial relative positions of the transmission input shaft and the output shaft.
  • Output shaft comes in relation to the axis of rotation of the transmission input shaft.
  • the coaxiality of the output shaft to the transmission input shaft or a centering of the transmission input shaft on the output shaft either via a radial profile toothing on the output shaft or to realize the output element and the transmission input shaft or the second radial stop area for the radial contact of a second section of the output shaft.
  • FIG. 1 a hybrid module according to the invention in a sectional side view
  • FIG. 2 an enlarged detail of the hybrid module according to the invention in the area of the torque transmission device.
  • a hybrid module 3 according to the invention is shown in section in FIG. 1
  • the hybrid module 3 comprises an electrical machine 50, a clutch device 60, a curved tooth clutch 40, a torque transmission device 1, an input shaft 80, an output shaft 10 and a housing 70.
  • the input shaft 80 is used to couple the hybrid module 3 to a
  • the coupling between internal combustion engine and input shaft 80 is arranged here via an axial side of input shaft 80 facing the internal combustion engine and connected to input shaft 80
  • Vibration damper 82 realized.
  • the input shaft 80 is non-rotatable with an input side 61 of the
  • Coupling device 60 connected.
  • the clutch device 60 is arranged here radially outside the input shaft 80 and as a two-disc clutch configured, wherein the input side 61 of the clutch device 60 is implemented accordingly by two clutch disks 63 connected to the input shaft 80 in a rotationally test.
  • An output side 62 of the coupling device 60 is with a
  • Rotor arm 52 for the rotational mounting of the rotor 51 of the electrical machine 50 is connected in a rotating test.
  • the connection between the coupling device 60 and the rotor arm 52 is implemented via a torque transmission device 54 in which a plurality of leaf springs transmit a torque from the coupling device 60 to the rotor arm 52.
  • the rotor 51 of the electrical machine 50 is arranged on the rotor carrier 52, with a stator 55 of the electrical machine 50 being firmly connected to the housing 70.
  • the rotor arm 52 is on a wall section 72 via a support bearing 91
  • rotor arm 52 is supported on the support bearing 91 with a rotor arm section 53 which is formed radially on the inside and extends in the axial direction.
  • the support sleeve 81 is implemented on the support bearing 91 in the radial direction
  • the housing wall 71 extends in the radial direction on the side of the hybrid module 3 facing the gear unit and the wall section 72 extends from the radially inner end of the housing wall 71 in the axial direction in areas between the rotor carrier 52 and output shaft 10 for the purpose of supporting the rotor carrier 52.
  • the hybrid module 3 also comprises a clutch actuation device 64, which, designed as an annular piston-cylinder unit, on the housing wall 71 or the
  • Wall section 72 is arranged.
  • the clutch actuation device 64 is correspondingly in the axial direction on that of the clutch device 60
  • Section of the rotor arm 52 arranged.
  • Clutch device 60 is the clutch actuator 64 with a Coupled pressure pot 65, which engages in the axial direction through the rotor arm 52 or the radially extending section of the rotor arm 52.
  • this includes a radially outwardly extending connection extension 13, wherein the
  • Connection extension 13 is connected to the axially extending rotor support section 53 via a curved tooth coupling 40. Accordingly, the rotor arm 52 is coupled to the output shaft 10 via the curved tooth coupling 40.
  • the torque transmission device 1 of the is located radially within the curved tooth coupling 40 and axially immediately adjacent to the connection extension 13
  • the torque transmission device 1 comprises a rotary bearing 20 for the rotary bearing of the output shaft 10 about an axis of rotation 2 of the torque transmission device 1.
  • the rotary bearing 20 is non-rotatably connected to the wall section 72 of the housing 70 via its outer ring and a contact element 24.
  • the axis of rotation 2 of the torque transmission device 1 corresponds to the axis of rotation 4 of the hybrid module 3.
  • the output shaft 10 is connected to an output element 30 via a Hirth coupling 35 for the purpose of coupling it to a transmission input shaft 83.
  • the output shaft 10 correspondingly forms a side 36 of the Hirth toothing 35, the
  • Output element 30 forms another side 37 of the Hirth toothing 35.
  • the output element 30 also comprises a first radial stop region 31 for the radial contact of the output element 30 on a first section 14 of the output shaft 10. For coupling to the transmission input shaft 83, this has
  • Output element 30 has a radial profile toothing 33 which meshes with a radial profile toothing 34 of the transmission input shaft 83, so that a non-rotatable connection between the output shaft 10 and the transmission input shaft 83 is realized.
  • the transmission input shaft 83 forms a second radial inside in relation to the radial profile toothings 33, 34 radially inside
  • a torque made available by the internal combustion engine is accordingly transmitted via the vibration damper 82 to the input shaft 80 and thus to the input side 61 of the clutch device 60.
  • the clutch device 60 is closed, the torque of the internal combustion engine is passed on to the rotor arm 52, the torque then being transmitted via the curved tooth coupling 40 to the output shaft 10 and thus via the output shaft
  • Transmission input shaft 83 is transmitted.
  • the transmission unit is balanced by means of the curved tooth coupling 40, with the torque transmission device 1 ensuring coaxiality between the axis of rotation 4 of the hybrid module 3 and the axis of rotation 5 of the
  • Transmission input shaft 83 is guaranteed.
  • FIG. 2 shows an enlarged section of the hybrid module 3 according to the invention in the area of the torque transmission device 1, as shown in FIG.
  • the curved tooth coupling 40 comprises a connecting element 41, the connecting element 41 having an external toothing 42 on its radial outer side 43.
  • the connecting element 41 is designed as a sleeve, which means that the connecting element 41 essentially has the shape of a hollow cylinder.
  • an internal toothing (not shown here) of the connecting extension 13 of the output shaft 10 as well as an internal toothing (not shown here) of the axial one engages
  • Rotor carrier section 53 of rotor carrier 52 The internal toothing of output shaft 10 is thus essentially non-rotatably connected to the internal toothing of rotor arm 52 via external toothing 42 of connecting element 41.
  • a respective internal toothing or the external toothing 42 is designed to be crowned so that the shafts coupled to one another remain in engagement in the event of a radial offset.
  • Sealing elements 44 so that the curved tooth coupling 40 is axially sealed liquid-tight on both sides with respect to the rotor arm 52 or the output shaft 10 for the purpose of filling with a lubricant.
  • the rotary bearing 20 arranged on the output shaft 10 is a single row
  • Configured ball bearing and comprises an inner ring 21 and an outer ring 22 rotatable relative thereto.
  • the axial position of the inner ring 21 of the rotary bearing 20 on the output shaft 10 is limited on the input side by a connecting extension 13 or an adjacent shoulder and on the transmission side by a retaining ring 94 fixedly arranged on the output shaft 10, so that the axial position of the inner ring 21 and thus the axial position of the rotary bearing 20 is fixedly defined.
  • the outer ring 22 of the rotary bearing 20 is connected to one of the outer ring 22
  • a spring device 26 designed as a plate spring, realizes a force-locking fixation of the rotary bearing 20 in its radial position on the contact plane 25 of the contact element 24.
  • the spring device 26 is supported on the contact element 24 and acts with a constant force in the axial direction on that of the contact plane
  • the contact element 24 is mechanically fixed axially adjacent to the support bearing 91 on the wall section 72 via a screw connection 28.
  • This mechanically fixed arrangement is implemented by inserting a fastening tool (not shown here) through a fastening opening 93 in the connecting extension 13 and engaging a fastening toothing 27 on the radial outside of the contact element 24 for the purpose of transmitting a rotary movement to the
  • Fastening opening 93 is closed in a liquid-tight manner after assembly.
  • the radial position of the rotary bearing 20 is now changed during assembly in such a way that the misalignment of the output shaft 10 is revised.
  • the torque transmission device 1 is displaced radially on the contact plane 25 and held in its final position by the spring device 26.
  • Transmission input shaft or between its axes of rotation 4, 5 enables a stress-free connection of the transmission input shaft indirectly via the
  • Hybrid module can be constructed in a simple manner with low axial

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

L'invention concerne un dispositif de transmission de couple, un module hybride pour un véhicule à moteur et un système d'entraînement pour un véhicule à moteur. L'invention concerne un dispositif de transmission de couple (1) comprenant un arbre de sortie (10) pouvant tourner autour d'un axe de rotation (2) ainsi qu'un palier de rotation (20) destiné à assurer un montage rotatif de l'arbre de sortie (10), et un carter (70) destiné à assurer le support axial au moins indirect du palier de rotation (20) et par conséquent de l'arbre de sortie (10), ainsi qu'un élément d'installation (24) qui définit un plan d'installation (25) réalisé sensiblement perpendiculairement à l'axe de rotation (2), le palier de rotation (20) étant soutenu dans la direction axiale dans le plan d'installation (25) par l'élément d'installation (24) et étant fixé à force dans la direction radiale dans sa position radiale sur l'élément d'installation (24), de sorte que le palier de rotation (20) peut coulisser au moins lors du montage, en surmontant des forces de frottement dans le plan d'installation (25). Le dispositif de transmission de couple selon l'invention et le module hybride permettent de combiner, pour une construction simple et de faibles contraintes d'encombrement, une compensation d'un décalage radial avec une garantie de la coaxialité des arbres à accoupler les uns aux autres.
PCT/DE2020/100409 2019-06-25 2020-05-13 Dispositif de transmission de couple, module hybride et système d'entraînement pour un vehicule à moteur WO2020259738A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE112020003041.5T DE112020003041A5 (de) 2019-06-25 2020-05-13 Drehmomentübertragungseinrichtung, Hybridmodul und Antriebsanordnung für ein Kraftfahrzeug
CN202080042611.6A CN113939419A (zh) 2019-06-25 2020-05-13 扭矩传输装置，用于机动车的混动模块和驱动装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019117000.1A DE102019117000A1 (de) 2019-06-25 2019-06-25 Drehmomentübertragungseinrichtung, Hybridmodul und Antriebsanordnung für ein Kraftfahrzeug
DE102019117000.1 2019-06-25

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WO2020259738A1 true WO2020259738A1 (fr) 2020-12-30

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PCT/DE2020/100409 WO2020259738A1 (fr) 2019-06-25 2020-05-13 Dispositif de transmission de couple, module hybride et système d'entraînement pour un vehicule à moteur

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Country Link
CN (1) CN113939419A (fr)
DE (2) DE102019117000A1 (fr)
WO (1) WO2020259738A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012221618A1 (de) * 2011-12-23 2013-06-27 Schaeffler Technologies AG & Co. KG Hybridmodul und Drehmomentübertragungseinrichtung
WO2017008808A1 (fr) * 2015-07-13 2017-01-19 Schaeffler Technologies AG & Co. KG Module hybride destiné à un groupe motopropulseur d'un véhicule à moteur
DE102017130480A1 (de) * 2017-02-24 2018-08-30 Schaeffler Technologies AG & Co. KG Einschubmodul, Hybridmodul, Antriebsstrang für ein Kraftfahrzeug und Verfahren zum Zusammenbauen eines Antriebsstrangs
DE102017127110A1 (de) * 2017-07-17 2019-01-17 Schaeffler Technologies AG & Co. KG Hybridmodul für einen Antriebsstrang eines Fahrzeugs

Family Cites Families (3)

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Publication number Priority date Publication date Assignee Title
DE102008040498A1 (de) * 2008-07-17 2010-01-21 Zf Friedrichshafen Ag Hybridantriebsstrang eines Kraftfahrzeugs
DE102011003846B4 (de) * 2011-02-09 2021-06-24 Zf Friedrichshafen Ag Drehmomentübertragungsanordnung, insbesondere hydrodynamischer Drehmomentwandler
DE102017130482A1 (de) * 2017-02-24 2018-08-30 Schaeffler Technologies AG & Co. KG Hybridmodul und Antriebsstrang für ein Kraftfahrzeug und Verfahren zum Zusammenbauen eines Antriebsstrangs

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012221618A1 (de) * 2011-12-23 2013-06-27 Schaeffler Technologies AG & Co. KG Hybridmodul und Drehmomentübertragungseinrichtung
WO2017008808A1 (fr) * 2015-07-13 2017-01-19 Schaeffler Technologies AG & Co. KG Module hybride destiné à un groupe motopropulseur d'un véhicule à moteur
DE102017130480A1 (de) * 2017-02-24 2018-08-30 Schaeffler Technologies AG & Co. KG Einschubmodul, Hybridmodul, Antriebsstrang für ein Kraftfahrzeug und Verfahren zum Zusammenbauen eines Antriebsstrangs
DE102017127110A1 (de) * 2017-07-17 2019-01-17 Schaeffler Technologies AG & Co. KG Hybridmodul für einen Antriebsstrang eines Fahrzeugs

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DE102019117000A1 (de) 2020-12-31
DE112020003041A5 (de) 2022-03-24

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