WO2021043357A1 - Dispositif de transmission de couple à palier de support lubrifié - Google Patents

Dispositif de transmission de couple à palier de support lubrifié Download PDF

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Publication number
WO2021043357A1
WO2021043357A1 PCT/DE2020/100653 DE2020100653W WO2021043357A1 WO 2021043357 A1 WO2021043357 A1 WO 2021043357A1 DE 2020100653 W DE2020100653 W DE 2020100653W WO 2021043357 A1 WO2021043357 A1 WO 2021043357A1
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
torque transmission
housing
torque
transmission unit
Prior art date
Application number
PCT/DE2020/100653
Other languages
German (de)
English (en)
Inventor
Stephan Maienschein
Christian HÜGEL
René Daikeler
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
Publication of WO2021043357A1 publication Critical patent/WO2021043357A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D13/00—Friction clutches
    • F16D13/58—Details
    • F16D13/74—Features relating to lubrication
    • 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
    • B60K6/405—Housings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0467—Elements of gearings to be lubricated, cooled or heated
    • F16H57/0469—Bearings or seals
    • F16H57/0471—Bearing
    • 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
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H2045/002—Combinations of fluid gearings for conveying rotary motion with couplings or clutches comprising a clutch between prime mover and fluid gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/021—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type three chamber system, i.e. comprising a separated, closed chamber specially adapted for actuating a lock-up clutch
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0221—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0221—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means
    • F16H2045/0252—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means having a damper arranged on input side of the lock-up clutch
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0273—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type characterised by the type of the friction surface of the lock-up clutch
    • F16H2045/0294—Single disk type lock-up clutch, i.e. using a single disc engaged between friction members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H41/00—Rotary fluid gearing of the hydrokinetic type
    • F16H41/24—Details
    • F16H41/30—Details relating to venting, lubrication, cooling, circulation of the cooling medium
    • 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 with a lubricated support bearing
  • the invention relates to a torque transmission device according to the preamble of claim 1.
  • a torque transmission device is known, for example, from DE 102009020 672 A1.
  • the torque transmission device is arranged in a hybrid drive train between a first drive element and a transmission and comprises a first torque transmission unit which has a torque converter and a separating clutch and a second torque transmission unit which is arranged in a dry receiving space and is designed as a dual mass flywheel.
  • the separating clutch is accommodated in a rotatable housing which is sealed off from the dual-mass flywheel.
  • the rotatable housing is supported by a flexplate, a rotor flange and a support bearing in a receiving housing designed as a stator housing of an electric motor.
  • the support bearing is arranged in the dry receiving space.
  • the object of the present invention is to increase the reliability and robustness of the support bearing and to implement the support of the first torque transmission unit in a space-saving and cost-effective manner.
  • At least one of these tasks is performed by a
  • Torque transmission device having the features of claim 1 solved.
  • the support bearing can be operated reliably and has an increased service life.
  • the friction losses in the support bearing are reduced.
  • the first torque transmission unit can be supported in a simple and space-saving manner.
  • the torque transfer device can be arranged in a drive train of a vehicle.
  • the torque transmission device can be connected to a further drive element.
  • the further drive element can be an electric motor.
  • the electric motor has in particular a stator and a rotatable rotor.
  • the stator can be firmly connected to the receiving housing be.
  • the rotor can be firmly connected to the housing.
  • the receiving housing can be a stator housing and / or a gear housing.
  • the first torque transmission unit can have a torque converter, a wet clutch, in particular a wet starting clutch or wet double clutch, a torsional vibration damper and / or a centrifugal pendulum.
  • the housing can be completely filled with the first fluid.
  • the first fluid can be a working fluid for effecting a torque transmission, preferably in the torque converter.
  • the second torque transmission unit can have a clutch, in particular a separating clutch for optional torque transmission between the drive element and the first torque transmission unit, a torsional vibration damper and / or a centrifugal pendulum.
  • the second fluid can be air or a liquid.
  • the second fluid can effect spray cooling of at least one component of the second torque transmission unit.
  • the support bearing is preferably liquid-lubricated by the first or second fluid.
  • the support bearing can have a plain bearing or a roller bearing.
  • a partition fixed on the receiving housing to support the first torque transmission unit is arranged axially between the first and second torque transmission unit and is connected, in particular directly, to the support bearing.
  • the input of the first torque transmission unit can be rotatably mounted on the partition wall via the support bearing.
  • the input can be non-rotatably connected to the housing or can be made in one piece.
  • the support bearing is arranged in a bearing fluid space in which a lubricating fluid is at least partially introduced.
  • the bearing fluid space can be arranged outside of the first and second fluid spaces.
  • a volume of the bearing fluid space can be 1, 2 to 3 times larger than the bearing volume spanned by the external dimensions of the support bearing.
  • the lubricating fluid is exchangeable with the first fluid.
  • the lubricating fluid can be part of the first or second fluid.
  • the lubricating fluid present in the bearing fluid space can be supplied and removed via a lubricating fluid circuit.
  • the lubricating fluid circuit can be fed by a leakage flow of the first or second fluid.
  • the lubricating fluid circuit can run parallel or in series with a fluid circuit of the first or second fluid.
  • the housing or a component connected to the housing has a lubricating fluid opening directly adjoining the bearing fluid space.
  • the bearing fluid space can be separated off in a fluid-tight manner from the first and second fluid spaces.
  • the lubricating fluid circuit runs at least in sections through the first torque transmission unit.
  • the lubricating fluid circuit can run through a transmission input shaft of the first torque transmission unit.
  • the lubricating fluid circuit runs at least in sections through the partition.
  • the partition wall can have a through opening for this purpose.
  • the partition wall can have a lubricating fluid channel for this purpose.
  • the partition wall extends radially inward from the receiving housing and has an axial section for receiving the support bearing in a radially inner region.
  • the first torque transmission unit comprises a torque converter and the second torque transmission unit comprises a dry separating clutch, the housing being completely filled by the first fluid and the second fluid being air.
  • Figure 1 A cross section of a torque transmission device in a special embodiment of the invention.
  • FIG. 2 The detail A from FIG. 1 in an enlarged view.
  • Figure 3 A detail of a cross section of a
  • Torque transmission device in a further special embodiment of the invention.
  • FIG. 4 The detail B from FIG. 3 in an enlarged view.
  • FIG. 1 shows a cross section of a torque transmission device 10 in a special embodiment of the invention.
  • Torque transmission device 10 is arranged for torque transmission between a drive element, in particular an internal combustion engine and an output element not shown here, in particular a transmission.
  • the drive element 12 is non-rotatably connected to a damper input 14 of a torsional vibration damper 16 designed as a dual-mass flywheel.
  • the damper input 14 is coupled to a damper output 20 via the action of at least one arc spring 18.
  • the torsional vibration damper 16 is part of a second torque transmission unit 22, which can bring about a torque transmission between the drive element 12 and the drive element.
  • the damper output 20 is connected non-rotatably to a clutch input 24 of a separating clutch 26.
  • the separating clutch 26 is arranged for the optional torque transmission between the drive element 12 and a first torque transmission unit 28.
  • the clutch input 24 can be frictionally connected to a clutch output 32 via a clutch actuation device 30. If the separating clutch 26 is in a closed state, torque can be transmitted between the damper output 20 and the first torque transmission unit 28. If, however, the separating clutch 26 is open, a related torque transmission is interrupted.
  • the clutch output 32 is connected to a centrifugal pendulum 34.
  • a pendulum mass carrier 36 on which pendulum masses 38 are arranged to be deflectable to a limited extent via a pendulum track, is connected to the clutch output 32 in a rotationally test manner by means of a riveted connection.
  • the clutch output 32 is connected to a pressure piston 39 in a rotationally test.
  • the pressure piston 39 can effect a torque transmission between the clutch output 32 and an input hub 40 of the first torque transmission unit 28.
  • the input hub 40 and a receiving sleeve 42 connected to the clutch output 32 are arranged coaxially to one another.
  • the input hub 40 is rotatably arranged radially inward of the receiving sleeve 42.
  • the receiving sleeve 42 is firmly connected to a housing 44 of the first torque transmission unit 28 that is rotatable about an axis of rotation 43.
  • the input hub 40 is in turn firmly connected to an actuating element 46 which is arranged inside the housing 44.
  • the actuating element 46 is connected to the housing 44 in a rotationally fixed manner via a restoring force causing leaf springs 48.
  • the housing 44 delimits a first fluid space 50 in which a liquid first fluid is introduced.
  • the housing 44 is designed as a converter housing 52 of a torque converter 54 assigned to the first torque transmission unit 28.
  • the converter housing 52 forms an input 56 of the first torque transmission unit 28.
  • the converter housing 52 which is rotatable about the axis of rotation 43, is firmly connected to a pump wheel 58, via which torque can be transmitted to a turbine wheel 60 within the converter housing 52.
  • the liquid first fluid introduced within the housing 44 is preferably a converter oil, which is a working fluid, in particular for torque transmission between the pump wheel 58 and the turbine wheel 60.
  • the converter housing 52 is preferably completely filled with the first fluid.
  • the turbine wheel 60 is firmly connected to a damper inlet 62 of a torsional vibration damper 64 arranged within the housing 44.
  • the damper input 62 is coupled to a damper output 68 via the action of at least one compression spring 66.
  • the damper output 68 is designed in one piece with an output hub 70, which can be detached from a transmission input shaft 72 is connectable.
  • the transmission input shaft 72 can transmit a torque from the first torque transmission unit 28 to the drive element.
  • the damper input 62 is rotationally connected to a clutch output 74 of a converter lockup clutch 76.
  • a clutch input 78 of the converter lockup clutch 76 that can be frictionally connected to the clutch output 74 is riveted to the converter housing 52.
  • the separating coupling 26 is arranged in a second fluid chamber 80 which is separated from the first fluid chamber 50 and is sealed by sealing elements 79 between the input hub 40 and the receiving sleeve 42.
  • the fluid present in the second fluid space 80 is air.
  • the separating clutch 26 is operated dry.
  • the actuation of the separating clutch 26 arranged outside of the first fluid space 50 formed by the housing 44 takes place via the actuating element 46 arranged inside the housing 44 and actuatable by a pressure application.
  • An actuating movement of the actuating element 46 is transmitted to the input hub 40, which is axially is arranged movably within the receiving sleeve 42.
  • the input hub 40 transmits the actuating movement to the pressure piston 39, which in turn enables the separating clutch 26 to be actuated.
  • the first and second torque transmission units 28, 22 are effectively arranged in series with respect to a torque transmission between the input element 12 and the output element.
  • a drive torque provided by the drive element 12 is via the second
  • the torque transmission unit 22 is transmitted to the first torque transmission unit 28 as soon as the separating clutch 26 is closed.
  • a rotor 82 of an electric motor 84 which forms a further drive element, is fastened to the converter housing 52.
  • the rotor 82 is rotatable with respect to a stator 88 which is firmly received in a receiving housing 86.
  • the stator 88 is axially secured by a partition wall 90 which is screwed to the receiving housing 86.
  • the partition wall 90 extends radially inward from the receiving housing 86 and has, on an axial section 92, a support bearing 94 for supporting the first torque transmission unit 28 on the receiving housing 86.
  • the partition wall 90 arranged axially between the first and second torque transmission units 28, 22 is sealed by a sealing element 96 with respect to the receiving sleeve 42 to form a bearing fluid space 98 which has a lubricating fluid and in which the support bearing 94 is arranged.
  • the bearing fluid space 98 is arranged outside of the first and second fluid spaces 50, 80 and is delimited by a cover plate 100, which is connected to the partition wall 90 and rests against the receiving sleeve 42 in a rotatable manner in a sealing manner.
  • a lubricating fluid opening 102 is made in the receiving sleeve 42, via which the support bearing 94 can be lubricated with the lubricating fluid.
  • the lubricating fluid is formed by the first fluid and is exchangeable with the first fluid. As a result, the fall bearing 94 can be operated reliably and has an increased service life.
  • FIG 2 the section A from Figure 1 is shown in an enlarged view.
  • the lubricating fluid passes through the lubricating fluid opening 102 in the receiving sleeve 42 connected to the housing 44 into the bearing fluid space 98, which is delimited by the cover plate 100, the partition 90 and the receiving sleeve 42.
  • the lubricating fluid present in the bearing fluid space 98 can be supplied and removed via a lubricating fluid circuit 104 which is fed by a leakage flow of the first fluid.
  • the lubricating fluid circuit 104 runs parallel to a fluid circuit of the first fluid in the housing 44.
  • the lubricating fluid is exchangeable with the first fluid.
  • the bearing fluid space 98 is separated from the first and second fluid spaces 50, 80 in a fluid-tight manner.
  • the lubricating fluid circuit 104 runs at least in sections through the first torque transmission unit 28 and through a further lubricating fluid opening 106 in the partition wall 90.
  • the further lubricating fluid opening 106 is connected to a lubricating fluid channel 108 which runs next to the partition wall 90.
  • the lubricating fluid flowing into the lubricating fluid opening 102 into the bearing fluid space 98 through a leakage flow of the first fluid via the sealing element 97 between the receiving sleeve 42 and the input hub 40 is diverted into the lubricating fluid channel 108 via the further lubricating fluid opening 106 in the partition 90 after the support bearing 94 has been lubricated and fed back to the first fluid from where the Lubricating fluid circuit 104 is closed via the first torque transmission unit 28.
  • a reverse flow direction is also possible.
  • FIG. 3 shows a detail of a cross section of a torque transmission device 10 in a further special embodiment of the invention.
  • the first torque transmission unit 28 comprises a wet clutch 110, which is received in the housing 44 designed as a clutch housing 112 and which is cooled by the liquid first fluid.
  • the first fluid is passed through a central bore 114 in the transmission input shaft 72 and fed to a friction device 116 of the wet clutch 110 for cooling.
  • a part of the first fluid is branched off through a lubricating fluid opening 102 in the housing 44 into the bearing fluid space 98 in order to lubricate the support bearing 94.
  • This lubricating fluid can be diverted from the bearing fluid space 98 through a further lubricating fluid opening 106 in the partition 90 into a lubricating fluid channel 108.
  • FIG. 4 the detail B from FIG. 3 is shown in an enlarged view.
  • the lubricating fluid circuit 104 takes place through the central bore 114, then between the transmission input shaft 72 and the housing 44 via the lubricating fluid opening 102 in the housing 44 into the bearing fluid space 98 and after lubrication of the support bearing 94 via the further lubricating fluid opening 106 into the lubricating fluid channel 108 and from there back via the first torque transmission unit 28, whereby the lubricating fluid circuit 104 is closed.
  • a reverse flow direction is also possible.
  • stator 90 partition 92 axial section

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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)
  • General Details Of Gearings (AREA)

Abstract

L'invention concerne un dispositif de transmission de couple (10) permettant de transmettre un couple entre un élément d'entraînement (12) et un élément de sortie, comportant une première unité de transmission de couple (28) qui comprend un orifice d'entrée (56) pouvant tourner autour d'un axe de rotation (43) et par rapport à un logement de réception (86) et qui comprend une première chambre de fluide (50) délimitée par un logement (44) et qui reçoit un premier fluide liquide ; une seconde unité de transmission de couple (22) qui est disposée en série avec la première unité de transmission de couple (28) par rapport à une transmission de couple entre l'élément d'entraînement (12) et l'élément de sortie, et comprend une seconde chambre de fluide (80) qui reçoit un second fluide et qui est isolée de la première chambre de fluide (50) ; et un palier de support (94) qui est disposé entre les première et seconde unités de transmission de couple (22, 28) dans une direction axiale pour supporter au moins la première unité de transmission de couple (28) sur le logement de réception (86), ledit palier de support (94) étant lubrifié au moyen du premier ou second fluide.
PCT/DE2020/100653 2019-09-05 2020-07-23 Dispositif de transmission de couple à palier de support lubrifié WO2021043357A1 (fr)

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DE102019123791.2 2019-09-05
DE102019123791.2A DE102019123791A1 (de) 2019-09-05 2019-09-05 Drehmomentübertragungsvorrichtung mit einem geschmierten Abstützlager

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
US20220144071A1 (en) * 2020-11-12 2022-05-12 Ford Global Technologies, Llc Hybrid electric vehicle with a combined torque converter and an electric propulsion motor

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Publication number Priority date Publication date Assignee Title
DE102009020672A1 (de) 2008-06-02 2009-12-03 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Kombinierte Kraftübertragungs- und Antriebseinheit für den Einsatz in Hybridsystemen und Hybridsystem
DE102012219211A1 (de) * 2011-12-14 2013-06-20 Ford Global Technologies, Llc Torsionsdämpfer für hybridelektrogetriebe
DE102017203459A1 (de) * 2017-03-02 2018-09-06 Zf Friedrichshafen Ag Getriebeanordnung für ein Getriebe eines Fahrzeugs oder dergleichen
US20190105978A1 (en) * 2017-10-06 2019-04-11 Schaeffler Technologies AG & Co. KG Motor assembly for hybrid vehicle
DE102017218744A1 (de) * 2017-10-19 2019-04-25 Zf Friedrichshafen Ag Hybridantriebsmodul für ein Kraftfahrzeug

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DE102007060165A1 (de) * 2007-12-13 2009-06-18 Volkswagen Ag Antriebsstrangmodul für ein Kraftfahrzeug
JP5168598B2 (ja) * 2010-03-31 2013-03-21 アイシン・エィ・ダブリュ株式会社 ハイブリッド駆動装置
DE102017130271A1 (de) * 2017-07-17 2019-01-17 Schaeffler Technologies AG & Co. KG Hybridmodul

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Publication number Priority date Publication date Assignee Title
DE102009020672A1 (de) 2008-06-02 2009-12-03 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Kombinierte Kraftübertragungs- und Antriebseinheit für den Einsatz in Hybridsystemen und Hybridsystem
DE102012219211A1 (de) * 2011-12-14 2013-06-20 Ford Global Technologies, Llc Torsionsdämpfer für hybridelektrogetriebe
DE102017203459A1 (de) * 2017-03-02 2018-09-06 Zf Friedrichshafen Ag Getriebeanordnung für ein Getriebe eines Fahrzeugs oder dergleichen
US20190105978A1 (en) * 2017-10-06 2019-04-11 Schaeffler Technologies AG & Co. KG Motor assembly for hybrid vehicle
DE102017218744A1 (de) * 2017-10-19 2019-04-25 Zf Friedrichshafen Ag Hybridantriebsmodul für ein Kraftfahrzeug

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220144071A1 (en) * 2020-11-12 2022-05-12 Ford Global Technologies, Llc Hybrid electric vehicle with a combined torque converter and an electric propulsion motor
US11364786B2 (en) * 2020-11-12 2022-06-21 Ford Global Technologies, Llc Hybrid electric vehicle with a combined torque converter and an electric propulsion motor

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