EP3887189A1 - Unité hybride de transmission munie de deux ensembles de pignons satellites et de plusieurs dispositifs de changement de rapport, ainsi que véhicule automobile - Google Patents

Unité hybride de transmission munie de deux ensembles de pignons satellites et de plusieurs dispositifs de changement de rapport, ainsi que véhicule automobile

Info

Publication number
EP3887189A1
EP3887189A1 EP19802054.7A EP19802054A EP3887189A1 EP 3887189 A1 EP3887189 A1 EP 3887189A1 EP 19802054 A EP19802054 A EP 19802054A EP 3887189 A1 EP3887189 A1 EP 3887189A1
Authority
EP
European Patent Office
Prior art keywords
gear
switching device
planetary gear
combustion engine
input
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.)
Pending
Application number
EP19802054.7A
Other languages
German (de)
English (en)
Inventor
Laurent BAYOUX
Matthieu Rihn
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 EP3887189A1 publication Critical patent/EP3887189A1/fr
Pending 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
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54—Transmission for changing ratio
    • B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
    • 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
    • B60K6/36—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 transmission gearings
    • B60K6/365—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 transmission gearings with the gears having orbital motion
    • 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
    • B60K6/48—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
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54—Transmission for changing ratio
    • B60K6/543—Transmission for changing ratio the transmission being a continuously variable transmission
    • 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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
    • 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
    • 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
    • B60Y2400/70—Gearings
    • B60Y2400/72—Continous variable transmissions [CVT]
    • 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
    • B60Y2400/70—Gearings
    • B60Y2400/73—Planetary gearings
    • 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
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0056—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising seven forward speeds
    • 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
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/2007—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with two sets of orbital gears
    • 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
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
    • F16H2200/2041—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with four engaging means
    • 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

  • Hybrid gear unit with two planetary gear sets and several shifting devices with well as motor vehicle
  • the invention relates to a gear unit (also referred to as (dedicated) hybrid transmission) for a hybrid motor vehicle, with a planetary gear, the planet gear being equipped with a first planetary gear set and a second planetary gear set, one coupled to a component of the planetary gear set and several electrical machines , each forming a brake or a clutch and forming adjustable switching devices between an activated position and a deactivated position, the switching devices for switching various gear ratios between an input which can be coupled to an internal combustion engine and an output and / or between the electrical machine and the Output are used. Furthermore, the invention relates to a motor vehicle with this gear unit and an internal combustion engine.
  • EP 2 146 855 B1 also discloses a hybrid drive system for a vehicle.
  • DE 10 2016 224 458 A1 realizes a motor vehicle transmission with planetary gear sets with the same stationary ratio. Further prior art is known from JP 6331058 B2.
  • a first switching device and / or a second switching device are / are designed as a clutch.
  • an internal combustion engine in particular can be cleverly coupled by the planetary gear.
  • the first switching device is designed as a clutch which is inserted between the input and a first sun gear which meshes with the first planetary gear set, so that in the activated position of the first switching device the input with the the first sun gear is connected in rotation (ie a drive power can be transmitted between the input and the first sun gear) and in the deactivated position of the first switching device the input is decoupled from the first sun gear (ie no drive power between the input and the first sun gear is portable).
  • the second switching device On the part of the second switching device, it is particularly expedient if it is designed as a clutch, which acts between the input and a first planet carrier of the first planetary gear set, so that in the activated position of the second switching device, the input with the first planet carrier is rotatory is connected (ie a drive power can be transmitted between the input and the first planet carrier) and in the deactivated position of the second switching device the input is decoupled from the first planet carrier (ie no drive power can be transmitted between the input and the first planet carrier).
  • a third switching device and / or a fourth switching device are / are designed as a brake.
  • the other gear ratios can be switched easily.
  • the third switching device is designed as a brake acting on a second sun gear, the second sun gear being in tooth engagement with a second planetary gear set of the planetary gear, so that in the activated position of the third switching device, rotation of the second one Sun gear is blocked and in the deactivated position of the third switching device free rotation of the second sun gear is made possible.
  • the fourth switching device it is furthermore expedient if it is designed as a brake acting on the first sun gear, so that rotation of the first sun gear is blocked in the activated position of the fourth switching device and a free one in the deactivated position of the fourth switching device Rotation of the first sun gear is made possible. Furthermore, it is expedient if an additional switching device is integrated in the output of the gear unit, in order to selectively completely decouple the gear unit / the planetary gear from the remaining output of the motor vehicle.
  • the no more than four switching devices are designed to implement four different gear ratios in a drive state of the internal combustion engine, two different gear ratios in a drive state of the electrical machine and to implement a gear ratio in the recuperation state of the electrical machine through their activated and deactivated positions .
  • a state of charge is formed via these no more than four switching devices, in that the internal combustion engine supplies drive power to the electrical machine, which then acts as a generator.
  • the gear ratios of the drive states of the internal combustion engine and the electric machine are further preferably all different from one another.
  • the no more than four switching devices also enable reverse driving in an electrical operation or in an eCVT operation (electrical continuously variable transmission).
  • a first ring gear which is in mesh with the first planetary gear set is rotatably coupled to a second planet carrier of the second planetary gear set and / or the first planet carrier of the first planetary gear set is connected to the second one Planetary gear set in meshing second ring gear is rotatably coupled.
  • a rotor-fixed drive shaft of the electrical machine is rotationally coupled to the first planet carrier of the first planetary gear set (preferably via a gear stage), the electrical machine is connected to the planetary gearboxes in a particularly simple and compact manner.
  • the drive shaft is preferably arranged parallel to a central axis of rotation of the gear unit (axis of rotation of the sun gears and planet carrier) or preferably more coaxially to the axis of rotation.
  • the invention relates to a motor vehicle with an internal combustion engine, such as a gasoline or diesel engine, and a transmission unit according to the invention connected or connectable with its input to an output shaft of the internal combustion engine according to at least one of the embodiments described above.
  • the dedicated Hybridge transmission has two planetary gear sets, an electric machine and no more than four switching devices (and also no separate disconnect clutch) for connecting or disconnecting an internal combustion engine to / from the drive train for pure electric driving.
  • FIG. 1 shows a schematic sectional illustration of a gear unit according to the invention and used in a drive train of a motor vehicle, according to a first exemplary embodiment
  • FIG. 2 is a diagram illustrating all of the gear unit of FIG.
  • Fig. 3a to 3d show four schematic sectional views of the gear unit, similar to FIG.
  • Fig. 4a and 4b show two schematic sectional views of the gear unit, similar to FIG.
  • 5 shows a schematic sectional view of the transmission unit, similar to FIG. 1, where a torque flow can be seen in a state of charge
  • FIG. 6 shows a schematic sectional view of the transmission unit, similar to FIG. 1, where a torque flow in a transmission ratio / gear can be seen in a recuperation state
  • FIG. 7 is a traction diagram to illustrate different characteristic curves of the drive train according to FIG. 1 associated with the respective drive states and gear ratios.
  • FIG. 8 is a schematic representation of a motor vehicle together with the transmission unit according to the Invention according to FIG. 1, the transmission unit being used on the front axle of the motor vehicle and in a transverse arrangement with the internal combustion engine,
  • FIG. 9 is a schematic representation of a motor vehicle with a transmission unit according to the invention according to a second exemplary embodiment, an electric axle drive now being additionally provided on a flinter axle of the motor vehicle,
  • FIG. 10 is a schematic sectional view of the gear unit according to the invention, used in a drive train of the motor vehicle shown in part according to the second embodiment,
  • FIG. 11 is a diagram illustrating all of the gear unit of FIG.
  • Fig. 12a to 12d show four schematic sectional views of the gear unit, similar to FIG.
  • Fig. 13a and 13b show two schematic sectional views of the gear unit, similar to FIG.
  • FIG. 14 shows a schematic sectional view of the transmission unit, similar to FIG. 1, where operation can be seen in the case of a torque flow in a state of charge / in a serial state,
  • FIG. 15 is a schematic sectional view of the gear unit, similar to FIG. 1, where a torque flow in a gear ratio / gear can be seen in a recuperation state,
  • FIG. 16 is a schematic longitudinal sectional view of a gear unit according to the invention and used in a drive train of the motor vehicle according to a third exemplary embodiment
  • 17 is a diagram illustrating all of the transmission unit of FIG.
  • Fig. 18 is a schematic longitudinal sectional view of a transmission unit according to the invention, used in a partially shown drive train of the motor vehicle according to a fourth embodiment, and
  • 19 is a diagram illustrating all of the gear unit of FIG.
  • FIG. 1 shows a drive train 25 of a motor vehicle 2 on the part of a transmission unit 1 according to the invention.
  • this drive train 25 set transmission unit 1 is realized as a hybrid transmission and alternatively referred to as such.
  • a preferred position of the gear unit 1 and the drive train 25 is shown in FIG. 8 in a schematically represented motor vehicle 2 (here a passenger car). It can be seen here that the transmission unit 1 with the drive train 25 is used to act on a front axle of the motor vehicle 2.
  • the gear unit 1 thus forms an input 13, which is coupled or can be coupled to a combustion engine 12, and an output 14, which is coupled or can be coupled to an output, here two driven wheels 23a, 23b of the motor vehicle 2.
  • This is a front-transverse arrangement of the internal combustion engine 12 together with the gear unit 1.
  • An axis of rotation 24, shown schematically in FIG. 1, of an output shaft 22 (crankshaft) of the internal combustion engine 12 and of the gear unit 1 is consequently transverse, approximately vertical, aligned with the vehicle's longitudinal axis.
  • Fig. 8, as well as Fig. 9 with respect to the second embodiment show transverse configurations (the input and output shafts are on the same axis), the invention of course also in a longitudinal configuration (engine gearbox in front, gearbox shaft too the rear drive wheels) can be used.
  • the transmission unit 1 has a two-stage planetary gear 3 and an electrical machine 7 operatively connected to this planetary gear 3.
  • the basic structure of the gear unit 1 can be seen particularly well in FIG. 1.
  • the planetary gear 3 has a first planetary gear set 4, which forms the first gear stage of the planetary gear 3, and a second planetary gear set 5, which forms the second gear stage of the planetary gear 3.
  • the first planetary gear set 4 / the individual (first) planet gears 26 of the first planetary gear set 4 are / are on the one hand with a first sun gear 15, on the other hand with a first ring gear 18 in meshing engagement.
  • the first planetary gear set 4 is rotatably arranged with its individual (first) planet gears 26 on a first tarpaulin 16.
  • the first planet carrier 16 simultaneously forms a (second) ring gear 20 of the second gear stage of the planetary gear 3.
  • the first planet carrier 16 is thus non-rotatably connected to the second ring gear 20, which second ring gear 20 in turn is in mesh with the second planetary gear set 5 / the (second) planet gears 27 of the second planetary gear set 5.
  • the individual (second) plans Ten gears 27 of the second planetary gear set 5 are also in meshing engagement with a second sun gear 17.
  • the first ring gear 18 is also non-rotatably connected to a second planet carrier 19 which rotatably supports the second planet gears 27.
  • the second planet carrier 19 and the first ring gear 18 are each immediately bar rotatably with the output 14 of the gear unit 1 / the planetary gear 3 a related party.
  • the electrical machine 7 typically has a stator 28 and a rotor 29 mounted rotatably relative to the stator 28.
  • the rotor 29 is rotatably received within the stator 28.
  • the rotor 29 is mounted in a rotationally fixed manner on a drive shaft 21 of the electrical machine 7.
  • the drive shaft 21 is parallel with its axis of rotation, i. H. spaced from the central axis of rotation 24 of the gear unit 1 is arranged.
  • the drive shaft 21 is further coupled via a gear stage 30 to the first planet carrier 16 / the second ring gear 20 of the planetary gear 3 in a rotary manner. Consequently, the electrical machine 7 is operatively connected to a component 6 of the planetary gear 3 in the form of the first planet carrier 16 / the second ring gear 20.
  • the electric machine 7 is also not necessarily arranged with its drive shaft 21 parallel to the axis of rotation 24, but is mounted, for example, coaxially to the transmission axis / axis of rotation 24 and further preferably directly on the first planet carrier 16.
  • a torsional vibration damper 31 can be integrated in the drive train 25 on the part of the internal combustion engine 12.
  • the torsional vibration damper 31 is arranged here between the output shaft 22 of the internal combustion engine 12 and the input 13 of the transmission unit 1.
  • the torsional vibration damper 31 can in principle be regarded as a component of the gear unit 1 or as a separate component thereof.
  • Fig. 1 that is, no more and also no less than four switching devices 8, 9, 10, 1 1 integrated in the gear unit 1 to the individual gear ratios / gears, such as those from the de-activated and activated positions Fig. 2 to 6 emerge to implement.
  • a first switching device 8 is implemented as a clutch.
  • the first Druckeinrich device 8 is set between the input 13 and the first sun gear 15 acting.
  • the first switching device 8 By designing the first switching device 8 as a clutch, the input 13, and thus in the operation of the motor vehicle 2, the output shaft 22 of the combustion engine 12, in an activated position of the switching device 8 is rotatably coupled to the first sun gear 15 and in a deactivated position of the switching device device 8 rotatably decoupled from the first sun gear 15, ie freely rotatable relative to this ver.
  • the activated position of the first switching device 8 is thus a closed coupling position, whereas the deactivated position is an open coupling position.
  • a second switching device 9 is also implemented as a clutch.
  • the second switching device 9 is inserted between the input 13 and the first planet carrier 16. Accordingly, the input 13, and thus in operation of the motor vehicle 2, the output shaft 22 of the internal combustion engine 12, in the activated position of the second switching device 9 rotatably connected to the first planet carrier 16 and in a deactivated position of the second switching device 9 from the first Planet carrier 16 rotatably decouples, d. H. freely rotatably arranged relative to this.
  • the activated position of the second switching device 9 is a closed coupling position and the deactivated position of the second switching device 9 is an open coupling position.
  • the third switching device 10 and the fourth switching device 11 are each implemented as brakes.
  • the third switching device 10 is that brake which cooperates with the two-th sun gear 17.
  • the third switching device 10 is thus capable of braking / holding the second sun gear 17 against an area 34 of the motor vehicle 2 fixed to the vehicle frame.
  • the third switching device 10 acts on the second sun 17 so that it is blocked in its rotation relative to the vehicle frame fixed loading area 34 of the motor vehicle 2; in a deactivated position of the third switching device 10, the third switching device 10 is arranged in such a way that it releases / permits free rotation of the second sun gear 17 relative to the region 34.
  • the fourth switching device 11 essentially acts in the same way as the third switching device 10. However, this does not act on the second sun gear 17, but on the first sun gear 15.
  • FIGS. 3a to 3d A (first) drive state is shown in FIGS. 3a to 3d.
  • this drive state either the internal combustion engine 12 or the internal combustion engine 12, supported by the electric machine 7, acts in a driving manner on the driven wheels 23a, 23b.
  • Is drawn in the fig. 3a to 3d only the torque flow / the power flow based on the internal combustion engine 12.
  • FIGS. 3a to 3d are the different four gears / gear ratios, as they can be implemented by means of the four shifting devices 8, 9, 10, 11, illustrated for this first drive state.
  • a first gear ratio is implemented via the input 13, the first sun gear 15, the first planetary gear set 4, the first planet carrier 16, the second ring gear 20, the second planetary gear set 5, the second planet carrier 19 to the output 14.
  • the second switching device 9 and the third switching device 10 are in their activated position for converting a second gear ratio, while the first switching device 8 and the fourth switching device 11 are switched in their de-activated position. This results in a transmission of the drive power from the input 13 via the first planet carrier 16, the second ring gear 20, the second planetary gear set 5 to the output 14.
  • a third gear ratio is realized, wherein the first switching device 8 and the second switching device 9 are in their activated position and the third switching device 10 and the fourth switching device 11 are in their deactivated position.
  • the drive power is transmitted from the input 13 to both the first sun gear 15 and the first planet carrier 16. From there, the drive power is transmitted to the output 14 via the first planetary gear set 4 and the first ring gear 18.
  • the first switching device 8 and the third switching device 10 are in their deactivated position and the second switching device 9 and the fourth switching device 11 are in their activated position.
  • Drive power is thus transmitted from the input 13 via the first planet carrier 16, the first planetary gear set 4 and the first ring gear 18 to the output 14.
  • Figs. 4a and 4b are two gear ratios for a (second) drive state of the drive train 25 of the illustrated.
  • This second drive state is a drive state of the electrical machine 7 (with a purely electrical drive to the motor vehicle 2).
  • 4a the first, second and fourth switching devices 8, 9, 11 are in their deactivated position and the third switching device 10 in their activated position. Accordingly, a drive power of the electrical machine 7 is transmitted from the drive shaft 21 via the second ring gear 20, the second planetary gear set 5 and the second planet carrier 19 to the output 14.
  • the first, second and third switching devices 8, 9, 10 are switched in their deactivated position and the fourth switching device 11 is switched in its activated position.
  • the drive power of the electrical machine 7 is transmitted from the drive shaft 21 via the first planet carrier 16, the first planet gears 26 and the second ring gear 20 to the output 14.
  • a state of charge (third operating state) of the drive train 25 is illustrated in FIG. 5.
  • a drive power of the internal combustion engine 12 of the electrical machine working as a generator is ne 7 supplied and converted into electrical energy for storage in a battery.
  • the second switching device 9 is in its activated position, whereas the first, third and fourth switching devices 8, 10, 11 are switched to their deactivated positions.
  • the drive power of the internal combustion engine 12 is transmitted via a gear ratio formed by the first planet carrier 16 and the gear stage 30.
  • FIG. 6 further illustrates a recuperation state of the electrical machine 7 (fourth operating state of the drive train 25), in which the electrical machine 7 in turn serves as a generator and a corresponding movement energy of the motor vehicle 2 via the output 14, the first ring gear 18 , the first planetary gear set 4, the first planet carrier 16 and the gear stage 30 (via a further gear ratio) of the electrical machine 7 is supplied.
  • the fourth switching device 11 is in its activated position, whereas the first switching device 8, the second switching device 9 and the third switching device 10 are each arranged in their deactivated position.
  • these four switching devices 8, 9, 10, 11 K1 is first switching device 8, K2 is second switching device 9, B1 is fourth switching device 11 and B2 is third switching device) 10) also two reverse gears / reverse driving states can be implemented (for fifth operating state of the drive train 25).
  • This is possible either purely electrically or by means of an electrical continuously variable transmission (eCVT).
  • eCVT electrical continuously variable transmission
  • the third switching device 10 is switched in its activated position, while the first, second and fourth switching devices 8, 9, 11 are arranged in their deactivated position.
  • the first switching device 8 is activated and the remaining second to fourth switching devices 9, 10, 11 are deactivated.
  • FIG. 7 different vehicle speed-force characteristic curves are illustrated in a traction force diagram for the individual gear ratios / gears.
  • the characteristics marked with ICE1, ICE2, ICE3 and ICE4 illustrate the first drive state (pure combustion engine drive) of the internal combustion engine 12 in the first gear (FIG. 3a), the second Gear (Fig. 3b), the third gear (Fig. 3c) and the fourth gear (Fig. 3d).
  • the characteristic curves marked with ICE1 + EM, ICE2 + EM, ICE3 + EM and ICE4 + EM illustrate a further drive state (combustion engine drive supported by electrical machine 7) with the same gears as shown in FIGS. 3a to 3d are implemented.
  • the characteristic curves marked with EM1 and EM2 illustrate the course in two further gears when a drive power is transmitted from the electrical machine 7 to the output 14 according to FIGS. 4a and 4b (purely electric drive).
  • FIGS. 16 and 17 a third embodiment and with FIGS. 18 and 19 illustrate a fourth exemplary embodiment.
  • these further exemplary embodiments correspond in principle to the first exemplary embodiment in terms of structure and function, so that, for brevity, only the differences from this first exemplary embodiment are described below.
  • Fig. 9 which illustrates the motor vehicle 2 with the gear unit 1 of the two th embodiment, it can be seen that the motor vehicle 2 can in principle also have an electric axle drive 32, so that an all-wheel drive is possible.
  • FIGS. 12a to 15 illustrate the more detailed structure of the gear unit 1.
  • an additional switching device 33 is now additionally present, which makes the output 14 of the gear unit 1 uncouplable from the further output / the output wheels 23a, 23b.
  • To set switching device 33 is integrated in the output 14 of the transmission unit 1.
  • the gear unit 1 can be uncoupled from the driven wheels 23a, 23b.
  • this enables serial operation of the stationary charging.
  • the individual gear ratios and operating states which can be implemented by the switching devices 8 to 11 and the additional switching device 33 (K3) and which can be seen in FIG. 11 are shown in FIGS. 12a to 15 can be clearly seen, but these translations in turn correspond to those of the first exemplary embodiment (FIGS. 3a to 6).
  • the switching devices 8, 9, 10 three different gear ratios in a drive state of the combustion engine 12, only one gear ratio in the drive state of the electric machine 7, one gear ratio in the idle state and two gear ratios for reversing according to FIG. 17 can be implemented.
  • the two third and fourth switching devices 10 and 11 are dispensed with and only the first and second switching devices 8, 9 are provided.
  • the second sun gear 17 is permanently connected to the area 34.
  • a DFIT concept (Dedicated Hybrid Transmission (transmission unit 1)) is proposed according to the invention with the following elements: two planetary gear sets 4, 5; four shift elements 8, 9, 10, 11 (two brakes and two clutches); and an electric machine 7.
  • the elements of the DFIT 1 fulfill the following functions: four ICE gears (forward gears / gears for internal combustion engine 12); two EM gears (gears for electrical machine 7); Reverse gear: ecvt or electric; Charging at a standstill; Boosting and recuperation possible in all gears; Serial operation with an additional drive axle: first drive axle with internal combustion engine 12, which drives electric machine 7, electric machine 7 charging the battery and / or sending current to the E-axle (axle drive 32), and second drive axle 32, which drives the vehicle 2.
  • No ICE disconnect clutch will required because K1 8 and K2 9 fulfill this function.
  • the electric machine 7 can be arranged coaxially or axially parallel (with chain or spur gear).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Structure Of Transmissions (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

L'invention concerne une unité de transmission (1) destinée à un véhicule hybride (2), comportant un engrenage planétaire (3), l'engrenage planétaire (3) étant muni d'un premier ensemble de pignons satellites (4) et d'un second ensemble de pignons satellites (5), un moteur électrique (7) raccordé à un composant (6) de l'engrenage planétaire (3), et plusieurs dispositifs de changement de vitesse (8, 9, 10, 11) formant chacun un frein ou un embrayage et pouvant être déplacés entre une position activée et une position désactivée, les dispositifs de changement de vitesse (8, 9, 10, 11) étant montés de manière à agir pour la commutation de différents rapports de transmission entre une entrée (13) pouvant être raccordée à un moteur thermique (12) et une sortie (14) et/ou entre le moteur électrique (7) et la sortie (14). L'unité de transmission ne comprend pas plus de quatre dispositifs de changement de vitesse (8, 9, 10, 11) servant à convertir par leurs positions activées et désactivées au moins deux rapports de transmission différents lorsque l'entraînement est effectué par le moteur thermique (12), au moins un rapport de transmission lorsque l'entraînement est effectué par le moteur électrique (7), ainsi qu'au moins un rapport de transmission lorsque le moteur électrique (7) est en récupération. L'invention concerne par ailleurs un véhicule automobile (2) muni d'un moteur thermique (12) et de ladite unité de transmission (1).
EP19802054.7A 2018-11-30 2019-10-29 Unité hybride de transmission munie de deux ensembles de pignons satellites et de plusieurs dispositifs de changement de rapport, ainsi que véhicule automobile Pending EP3887189A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018130498.6A DE102018130498A1 (de) 2018-11-30 2018-11-30 Hybride Getriebeeinheit mit zwei Planetenradsätzen und mehreren Schalteinrichtungen; sowie Kraftfahrzeug
PCT/DE2019/100930 WO2020108687A1 (fr) 2018-11-30 2019-10-29 Unité hybride de transmission munie de deux ensembles de pignons satellites et de plusieurs dispositifs de changement de rapport, ainsi que véhicule automobile

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EP3887189A1 true EP3887189A1 (fr) 2021-10-06

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EP19802054.7A Pending EP3887189A1 (fr) 2018-11-30 2019-10-29 Unité hybride de transmission munie de deux ensembles de pignons satellites et de plusieurs dispositifs de changement de rapport, ainsi que véhicule automobile

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US (1) US11524567B2 (fr)
EP (1) EP3887189A1 (fr)
KR (1) KR20210093887A (fr)
CN (1) CN113165493A (fr)
DE (1) DE102018130498A1 (fr)
WO (1) WO2020108687A1 (fr)

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DE102019131578A1 (de) * 2019-11-22 2021-05-27 Schaeffler Technologies AG & Co. KG Getriebeeinheit mit zwei Planetenradsätzen und einem von einer elektrischen Maschine angetriebenen Sonnenrad sowie ein Kraftfahrzeug mit einer solchen Getriebeeinheit
DE102019131572A1 (de) 2019-11-22 2021-05-27 Schaeffler Technologies AG & Co. KG Getriebeeinheit mit zwei Planetenradsätzen und einem einteilig ausgebildeten Planetenradträger sowie ein Kraftfahrzeug mit einer solchen Getriebeeinheit
DE102020104047A1 (de) 2020-02-17 2021-08-19 Schaeffler Technologies AG & Co. KG Getriebe für ein Hybridfahrzeug und Verfahren zum Betrieb eines solchen Getriebes
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DE102021113442A1 (de) 2021-05-25 2022-12-01 Schaeffler Technologies AG & Co. KG Hybridgetriebe mit einem Verbundplanetenradsatz; sowie Kraftfahrzeug

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Publication number Publication date
US11524567B2 (en) 2022-12-13
DE102018130498A1 (de) 2020-06-04
WO2020108687A1 (fr) 2020-06-04
KR20210093887A (ko) 2021-07-28
CN113165493A (zh) 2021-07-23
US20220032766A1 (en) 2022-02-03

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