WO2020160865A1 - Dispositif de transmission pour véhicule à moteur - Google Patents

Dispositif de transmission pour véhicule à moteur Download PDF

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Publication number
WO2020160865A1
WO2020160865A1 PCT/EP2020/050355 EP2020050355W WO2020160865A1 WO 2020160865 A1 WO2020160865 A1 WO 2020160865A1 EP 2020050355 W EP2020050355 W EP 2020050355W WO 2020160865 A1 WO2020160865 A1 WO 2020160865A1
Authority
WO
WIPO (PCT)
Prior art keywords
gear
shaft
output shaft
transmission device
input shaft
Prior art date
Application number
PCT/EP2020/050355
Other languages
German (de)
English (en)
Inventor
Christian Meixner
Original Assignee
Audi Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Audi Ag filed Critical Audi Ag
Publication of WO2020160865A1 publication Critical patent/WO2020160865A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/36—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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
    • B60K17/344—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear
    • B60K17/346—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear the transfer gear being a differential gear
    • B60K17/3462—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear the transfer gear being a differential gear with means for changing distribution of torque between front and rear wheels
    • 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
    • B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
    • B60K23/08—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles
    • B60K23/0808—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles for varying torque distribution between driven axles, e.g. by transfer clutch
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
    • B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—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
    • B60K6/52—Driving a plurality of drive axles, e.g. four-wheel drive
    • 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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/02—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
    • 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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
    • B60K17/356—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having fluid or electric motor, for driving one or more wheels
    • 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
    • B60K2006/4808—Electric machine connected or connectable to gearbox output 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

Definitions

  • the invention relates to a transmission device for a motor vehicle, which has an input shaft that can be effectively connected to a drive direction of the motor vehicle, as well as a first output shaft and a second output shaft and has a torque displacement gear designed as a planetary gear, via which the input shaft with the first output shaft and the second Output shaft is coupled.
  • the document EP 1 494 886 B1 is known from the prior art.
  • This relates to a transmission system for a vehicle, the transmission system comprising: a drive shaft which is connected to a differential mechanism which has two output shafts, the two output shafts each carrying first and second coaxially mounted sun gears of a planetary gear, each in first and Engage second planetary gear sets, the gear ratio of the first sun gear with the first planetary gear set differs from that of the second sun gear with the second planetary gear set, each first planet gear being connected to an associated second planet gear so that it is an associated common one Planet shaft rotates, the planet shaft being connected to a common carrier which is rotatably mounted coaxially with the first and second sun gears, a single selectively actuated speed change means which is connected to the carrier and is adapted to the rotational speed of the carrier rs to increase or decrease its axis, wherein the transmission system further comprises at least one sensor which is designed to generate a signal that indicates an operating parameter of the vehicle or its engine, and a
  • the object of the invention is to propose a transmission device for a motor vehicle which has advantages over known transmission devices, in particular realizing a “torque vectoring” functionality between the two output shafts despite an extremely compact design.
  • the planetary gear is a stepped planetary gear, which has a plane carrier on which at least a first planetary gear and a second planetary gear, which is arranged axially to the at least one first planetary gear and connected to it, are rotatably mounted, the first planetary gear being rotatably mounted with a first sun gear and the second planet gear meshes with a second sun gear, wherein the planet carrier is rotatably coupled to the input shaft and the first output shaft and the first sun gear is rotatably coupled to the second output shaft and / or via a reinforcing planetary gear, and wherein the second sun wheel is connected to an electrical machine via a clutch assembly.
  • the transmission device is used to transmit a torque or drive torque between the drive device of the motor vehicle on the one hand and at least one wheel axle of the motor vehicle on the other hand.
  • the at least one wheel axle is operatively connected or at least operatively connected to the drive direction via the transmission device.
  • the at least one wheel axle is accordingly as a driven wheel axle. It can in particular be designed as a front wheel axle or a rear wheel axle of the motor vehicle.
  • the gear unit is used in particular to distribute the drive torque provided by the drive unit to different sub-axles of this wheel axis, with at least one wheel of the motor vehicle being coupled or at least connectable to the gear unit and corresponding to the drive unit via each of the sub-axles.
  • the gear unit serves as an axle differential gear.
  • the gear mechanism serves as a center differential gear to distribute the drive torque to the different wheel axles.
  • the wheel axles are available, for example, as a front wheel axle and a rear wheel axle.
  • the transmission device has the input shaft and the first output shaft and the second output shaft.
  • the input shaft of the gearbox device is connected in terms of drive technology to the drive device of the motor vehicle, preferably via a gearbox and / or a clutch, in particular a starting clutch.
  • a translation selected from several translations between the drive device and the input shaft of the transmission device can be set.
  • the clutch is preferably designed as a shift clutch and particularly preferably as a starting clutch. With the aid of the clutch, the operative connection between the drive device and the input shaft of the transmission device can be optionally established or interrupted.
  • the first output shaft is operatively connectable or operatively connected to a first partial shaft of the wheel axle, in particular via a first gear
  • the second output shaft is operatively connected to a second partial shaft of the wheel axle, in particular via a second gear.
  • the first output shaft is particularly preferably permanent and / or rigid the first partial shaft and the second output shaft permanently and / or rigidly coupled to the second partial shaft.
  • the first output shaft is operatively connectable or operatively connected to a first wheel axle, in particular via the first gear
  • the second output shaft is operatively connected to the second wheel axle, in particular via the second gear.
  • first output shaft is preferably permanently and / or rigidly coupled to the first wheel axle and the second output shaft is permanently and / or rigidly coupled to the second wheel axle.
  • the first gear and the second gear can each be designed as a ring gear, so that the axes of rotation of the two partial shafts or the two wheel axles are angled with respect to the axes of rotation of the output shafts, i.e. they enclose an angle that is greater than 0 ° and less than 180 ° is.
  • the drive direction has at least one drive unit which is designed, for example, as an internal combustion engine or as an electric machine.
  • the drive direction can also be present as a hybrid drive device and in this respect have several drive units, which are preferably of different types.
  • one of the drive units is, for example, an internal combustion engine and another of the drive units is an electrical machine.
  • the drive device has several drive units, it is preferably designed in such a way that the drive units jointly provide the drive torque aimed at driving the motor vehicle, at least temporarily.
  • the input shaft of the transmission device is drive-coupled via the torque displacement gear, which is present as a planetary gear, both to the first output shaft and to the second output shaft, in particular permanently.
  • the coupling of the shafts via the torque displacement gear is in particular torque-dividing, so that the drive torque provided on the input shaft is divided between the first output shaft and the second output shaft.
  • the torque shift gear is a differential gear, which has several rere having intermeshing spur gears. In general, the torque shift gear works as a differential gear or differential gear.
  • the torque shift transmission has two sun gears, namely the first sun gear and the second sun gear.
  • One of the sun gears is coupled to one of the output shafts, namely preferably rigidly and / or permanently.
  • the first sun gear is coupled to the second output shaft.
  • each of the output shafts is decoupled from the other of the output shafts, that is to say, within the scope of the transmission device, it is only connected to it in terms of drive technology via the torque displacement transmission, but in particular not rotationally fixed.
  • the first sun gear which is coupled in a rotationally fixed manner to the second output shaft, is decoupled from the first output shaft.
  • the output shafts are connected to one another away from the transmission device via the wheel axles and a base of the motor vehicle.
  • the torque shift transmission has the planet carrier on which the at least one first planetary gear and the least one second planetary gear are rotatably mounted.
  • the gear device can have exactly one first planetary gear or several first planetary gears.
  • the transmission device can have exactly one second planetary gear or several second planetary gears.
  • the torque shifting gear has as many first planetary gears as there are second planetary gears and vice versa. If the first planetary gear or the second planetary gear is mentioned in the context of this description, the explanations always refer to the at least one first planetary gear or the at least one second planetary gear, unless the contrary is indicated.
  • the two planet gears that is to say the at least one first planet gear and the least one second planet gear, are arranged coaxially to one another and connected to one another in a rotationally fixed manner. That means the planet gears are jointly mounted on the planet carrier, in particular via a common shaft. They always have the same speed with respect to a common axis of rotation. For this they are rigidly and permanently connected to one another.
  • the planetary gear can also be referred to as a stepped planetary gear.
  • the first planetary gear and the second planetary gear can have the same diameter. However, they are preferably designed with different diameters.
  • the first planet gear meshes with the first sun gear and the second planet gear meshes with the second sun gear.
  • the first planet gear meshes exclusively with the first sun gear and the second planet gear exclusively with the second sun gear.
  • the torque shift gear is designed without a ring gear. So there is no ring gear that meshes with the first planet gear or the second planet gear.
  • the planet carrier is rotatably coupled to the input shaft and the first output shaft. This means that, within the framework of the transmission device, the input shaft is rigidly and permanently coupled to the first output shaft, namely via the planetary carrier of the torque displacement transmission.
  • the second output shaft is only connected to the plane carrier via the first sun gear.
  • the first sun gear is permanently coupled to the second output shaft, namely non-rotatably and / or via the reinforcement planetary gear.
  • the non-rotatable coupling there can of course be at least one gear stage between the first sun gear and the second output shaft, provided that this ensures the non-rotatable or rigid connection of the first sun gear to the second output shaft.
  • the planetary gear is designed as a plus planetary gear.
  • the second sun gear is connected to the electrical machine in terms of drive technology via the clutch assembly.
  • the electrical machine can be optionally coupled to the second sun gear.
  • a first Switching setting of the clutch assembly is to the extent that the electric machine is coupled to the second sun gear, preferably rigidly or rotated.
  • the electric machine is decoupled from the second sun gear. If the electric machine is drive-connected to the second sun wheel, the electric machine can be used to split the drive torque applied to the input shaft to the first output shaft and the second output shaft.
  • the electrical machine enables so-called “torque vectoring”.
  • the transmission device is designed to be very compact.
  • a further embodiment of the invention provides that the first planet wheel and the second planet wheel have different diameters from one another. This has already been pointed out.
  • the design of the two planet gears with different diameters enables an excellent distribution of the drive torque applied to the input shaft between the first output shaft and the second output shaft with the aid of the electric machine. Due to the different diameters of the planetary gears, a comparatively small additional torque of the electrical machine is necessary to distribute the drive torque to the output shafts.
  • the electrical machine can have a significantly lower nominal power than the drive device of the motor vehicle.
  • the rated power of the electrical machine is a maximum of 50%, a maximum of 25%. maximum 20%, maximum 15% or maximum 10% of the nominal power of the drive device.
  • a preferred further embodiment of the invention provides that the input shaft is designed as a hollow shaft and the second output shaft extends through the input shaft at least in some areas.
  • the second output shaft is at least partially arranged in the input shaft and passes through it.
  • the second output shaft preferably extends completely through the input shaft, viewed in the axial direction with respect to an axis of rotation of the input shaft.
  • the input shaft and the second output shafts are arranged coaxially to one another.
  • the first output shaft is also particularly preferably arranged coaxially with the input shaft and the second output shaft.
  • the second output shaft is rotatably mounted in and / or on the input shaft.
  • the mounting of the second output shaft on the input shaft is realized, for example, with the aid of a bearing arranged in the input shaft, which engages in the radial direction outside on an inner circumference of the input shaft and in the radial direction inside on an outer circumference of the second output shaft.
  • the bearing is preferably designed as a roller bearing. However, it can also be in the form of a plain bearing. The configuration described enables a compact and space-saving configuration of the transmission device.
  • the second sun gear is connected in terms of drive technology to the clutch arrangement via an intermediate shaft.
  • the intermediate shaft establishes the drive connection between the second sun gear and the clutch arrangement.
  • the second sun gear and the clutch arrangement are preferably rigidly and / or permanently coupled to one another via the septwel le.
  • the intermediate shaft extends out of the planet carrier in the axial direction. The use of the intermediate shaft enables the stepped planetary gear to be connected to the clutch arrangement in a simple manner.
  • a further development of the invention provides that the planet carrier on the one hand is non-rotatably connected to the input shaft and on the other hand to a further intermediate shaft arranged coaxially with the input shaft. Seen in the axial direction, the input shaft and the wide re intermediate shaft attack on opposite sides of the planet carrier.
  • the input shaft and the further intermediate shaft are arranged coaxially to one another, that is to say they have the same axis of rotation.
  • the further intermediate shaft is used, for example, to support the planetary carrier and / or the drive-related connection of the planetary carrier to the clutch arrangement.
  • the intermediate shaft and the further intermediate Intermediate shaft represent output shafts of the clutch assembly and can be coupled to the electrical machine each Weil. As a result, a simple and flexible connection of the electrical machine to the torque displacement gear is realized.
  • the intermediate shaft and / or the further intermediate shaft are designed as a hollow shaft and the first output shaft extends through the intermediate shaft and / or the further intermediate shaft at least in regions.
  • Each of the shafts mentioned, that is to say the intermediate shaft and the further intermediate shaft, can be designed as a hollow shaft.
  • the first output shaft extends through the respective ge shaft preferably completely in the axial direction.
  • the first output shaft is preferably mounted in and / or on the intermediate shaft or the further intermediate shaft.
  • a bearing for example a roller bearing or a plain bearing, is provided for mounting the first output shaft on the respective shaft.
  • Both the intermediate shaft and the further intermediate shaft are particularly preferably in the form of a hollow shaft.
  • the first output shaft is arranged in the intermediate shaft and the intermediate shaft in the further intermediate shaft.
  • the intermediate shaft extends completely through the further intermediate shaft in the axial direction.
  • the first output shaft preferably extends completely through the intermediate shaft in the axial direction.
  • the intermediate shaft, the further intermediate shaft and the first output shaft are arranged coaxially with one another. The described configuration of the intermediate shafts enables a simple and flexible connection of the electrical machine's rule to the torque displacement gear.
  • a preferred further embodiment of the invention provides that the clutch assembly has a connecting shaft that is rigidly coupled to the electrical machine, in particular via a gear stage.
  • the connecting shaft represents a drive shaft of the clutch arrangement.
  • the connecting shaft is rigidly coupled to the electrical machine and to the intermediate shaft and / or the further intermediate shaft (each) connectable.
  • the connecting shaft In the first shift setting of the Heidelbergkupplungsan order, for example, the connecting shaft is coupled to the intermediate shaft, in particular rigidly.
  • the connecting shaft is decoupled from both the intermediate shaft and the further intermediate shaft, so that the electric machine is not drive-connected to the torque displacement gear.
  • the connecting shaft is coupled to the other intermediate shaft, preferably rigidly in turn.
  • the "torque vectoring" functionality can be implemented with the help of the electric machine, whereas in the third shift setting the electric machine is coupled directly to the input shaft and the first output shaft of the transmission device, preferably rigidly.
  • the connection of the connection shaft to the electrical machine is preferably carried out via the gear stage, by means of which a translation between the electrical machine and the connection shaft, in particular different from one, is implemented.
  • the described configuration of the transmission device enables particularly flexible operation.
  • a further embodiment of the invention provides that the intermediate shaft can be coupled by means of a first shift clutch of the shift clutch arrangement and the further intermediate shaft can be coupled to the connecting shaft by means of a second shift clutch of the shift clutch arrangement.
  • the Heidelbergkupp treatment arrangement has the first clutch and the second clutch.
  • the first clutch is arranged in terms of drive technology between the connecting shaft and the intermediate shaft and the second shift clutch in terms of drive technology between the connecting shaft and the further inter-shaft.
  • the intermediate shaft and the further intermediate shaft can be coupled to the connecting shaft independently of one another, namely with the aid of the respective clutch.
  • the first clutch and the second clutch are each designed as one of the following clutches: Non-positive clutch, in particular a special multi-disc clutch, and positive clutch, for example a dog clutch or tooth clutch.
  • the first Heidelbergkupp development is designed as a form-fitting coupling and the second coupling as a force-fitting coupling or vice versa.
  • both clutches can be present as non-positive clutches or as form-fitting clutches.
  • the design of the first clutch as a form-fit clutch and the second clutch as a force-fit clutch enables, on the one hand, an energy-efficient connection of the electrical machine to the input shaft and the second output shaft as well as flexible adjustment of the “torque vectoring” functionality.
  • the reinforcement planetary gear has a reinforcement gearbox sun gear, a reinforcement gearbox hollow wheel and a reinforcement gearbox planetary carrier, the reinforcement gearbox sun gear rigidly coupled to the first sun gear, the reinforcement gearbox ring gear rigidly coupled to the planetary carrier and the reinforcement gearbox planetary carrier rigidly coupled to the second output planetary carrier .
  • On the reinforcement gear planet carrier at least one reinforcement gear planetary gear is rotatably mounted.
  • the reinforcement planetary gear meshes on the one hand with the reinforcement gear sun gear and on the other hand with the reinforcement gear ring gear.
  • the described embodiment of the reinforcing planetary gear enables a particularly high efficiency of the transmission device.
  • the electrical machine viewed in longitudinal section with respect to an axis of rotation of the input shaft, is arranged in overlap with the input shaft.
  • the electrical machine is arranged next to the input shaft when viewed in longitudinal section.
  • the electrical machine is preferably axially parallel to the input shaft.
  • the electrical machine is preferably completely overlapped by the input shaft in the axial direction, so that the input shaft on both sides over the electrical machine protrudes.
  • the electrical machine, seen in longitudinal section is arranged between the planetary carrier of the torque displacement transmission and a gear stage via which the input shaft is drive-coupled to the drive device.
  • the clutch arrangement via which the electrical machine can be coupled to the torque displacement gear, can be arranged on the side of the torque displacement gear facing away from the electrical machine in longitudinal section or in the axial direction.
  • the clutch assembly is arranged on the side of the torque displacement gear facing the electrical machine's rule. Both arrangements have different advantages.
  • the described arrangement of the electric machine enables a particularly compact design of the transmission device.
  • FIG. 1 a schematic representation of a transmission device for a
  • Figure 2 is a schematic representation of the transmission device in the first embodiment, supplemented by a reinforcement tarpaulin gear,
  • FIG. 1 shows a schematic longitudinal sectional illustration of a transmission device 1 for a motor vehicle 2, which is only indicated here in an extremely schematic manner.
  • the transmission device 1 has an input shaft 3, a first output shaft 4 and a second output shaft 5.
  • the input shaft 3 is drive-connected to a drive device 6 of the motor vehicle 2, preferably via a gear change gear 7 and / via a gear stage 8.
  • the gear stage 8 is preferably designed in such a way that a transmission output shaft 9 of the gear change transmission 7 is arranged offset, in particular offset in parallel, to the input shaft 3.
  • the first output shaft 4 and the second output shaft 5 of the gear unit 1 are in the exemplary embodiment shown here with different wheel axles 10 of the motor vehicle 2 in terms of drive technology, whereby only one of the wheel axles 10 is shown here, namely a front wheel axle for example.
  • the first output shaft 4 is connected in terms of drive technology to the wheel axles 10, not shown, which is present, for example, as a rear wheel axle.
  • the second output shaft 5, is drivingly connected to the wheel axles 10 shown, for example via at least one gear stage 1 1, in the exemplary embodiment presented here via several gear stages 1 1 and / or an axle differential gear 12.
  • the transmission device 1 has a torque displacement transmission 13 designed as a planetary transmission.
  • This has a planet carrier 14 on which at least one first planet gear 15 and at least one second planet gear 16 are rotatably mounted.
  • the planet gears 15 and 16 are arranged coaxially to one another and rigidly connected to one another.
  • the torque shift gear 13 is designed as a stepped planetary gear.
  • the first planet gear 15 meshes with a first sun gear 17, the second planet gear 16 with a second sun gear 18.
  • the first sun gear 17 is coupled in terms of drive technology to the second output shaft 5.
  • the second sun In contrast, the internal gear 18 is connected to an electrical machine 20 in terms of drive technology via a clutch assembly 19.
  • the second sun gear 18 is rigidly connected to the clutch arrangement 19 via an intermediate shaft 21 and the planetary carrier 14 via a further intermediate shaft 22.
  • the clutch assembly 19 also has a connecting shaft 23 that is rigidly coupled to the electrical machine 20 in terms of drive technology, preferably via a gear stage 24.
  • the gear stage 24 is designed such that the electrical machine 20 is arranged next to the input shaft 3, in particular in parallel to this is available.
  • the electrical machine 20 is also seen in longitudinal section in overlap with the input shaft 3. In particular, it is seen in the axial direction with respect to an axis of rotation of the input shaft 3 between tween the planet carrier 14 and the gear stage 8. In this way, a space-saving design of the transmission device 1 is achieved.
  • the intermediate shaft 21 is configured as a hollow shaft and receives the first output shaft 4.
  • the other inter mediate shaft 22 is designed as a hollow shaft. It in turn takes the intermediate shaft 21 in itself.
  • the clutch assembly 19 has a first clutch 25 and a second clutch 26.
  • the first clutch 25 is in the form of a non-positive clutch and the second clutch 26 in the form of a positive clutch.
  • the connecting shaft 23 with the inter mediate shaft 21 and with the aid of the clutch 26 with the further inter mediate shaft 22 can be coupled. Accordingly, the electrical machine 20 can be drive-coupled both to the planet carrier 14 and consequently to the input shaft 3 and to the first output shaft 4 and to the second planet gear 16.
  • FIG. 2 shows the first embodiment of the transmission device 1 in schematic form, supplemented by a reinforcement planetary gear 27.
  • This has a reinforcement gear sun gear 28, a reinforcement gear ring gear 29 and a reinforcement gear planet carrier 30.
  • At least one reinforcement gearbox planetary carrier 30 is rotatably mounted on the reinforcement gearbox planetary gear 31, which meshes with both the reinforcement gearbox sun gear 28 and the reinforcement gearbox ring gear 29.
  • the reinforcement gear sun gear 28 is rigidly coupled to the first sun gear 17, the reinforcement gear ring gear 29 rigidly with the planet carrier 14 and the reinforcement gear planet carrier 30 rigidly with the second output shaft 5.
  • FIG. 3 shows a schematic representation of the transmission device 1 in a second embodiment. This corresponds largely to the first embodiment, so that reference is made to the corresponding statements and only the differences are discussed below. These lie in the fact that the clutch assembly 19 is no longer arranged on the side of the torque displacement gear 13 facing away from the electrical machine 20, but rather on the side facing the electrical machine 20. In addition, the intermediate shaft 21 no longer takes the first output shaft 4, but the input shaft 3 and accordingly the second output shaft 5. This also applies to the connecting shaft 23. The further intermediate shaft 22 is formed by the input shaft 3.
  • FIG. 4 shows a schematic representation of the transmission device 1 in the second embodiment, again supplemented by the reinforcement gear 27. To avoid repetition, reference is made to the above statements.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)
  • Structure Of Transmissions (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

L'invention concerne un dispositif de transmission (1) pour un véhicule à moteur (2), qui présente un arbre d'entrée (3) pouvant être relié fonctionnellement à un dispositif d'entraînement (6) du véhicule à moteur (2) ainsi qu'un premier arbre de sortie (4) et un deuxième arbre de sortie (5) et qui dispose d'un engrenage à transfert de couple (13) réalisé en tant qu'engrenage planétaire, par l'intermédiaire duquel l'arbre d'entrée (3) est accouplé au premier arbre de sortie (4) et au deuxième arbre de sortie (5). En l'occurrence, il est prévu que l'engrenage planétaire soit un engrenage planétaire étagé qui présente un porte-satellites (14) au niveau duquel sont supportés à rotation au moins un premier satellite (15) ainsi qu'un deuxième satellite (16) disposé coaxialement par rapport à l'au moins un premier satellite (15) et connecté de manière solidaire en rotation avec ce dernier, le premier satellite (15) s'engrenant avec une première roue solaire (17) et le deuxième satellite (16) s'engrenant avec une deuxième roue solaire (18), le porte-satellites (14) étant accouplé de manière solidaire en rotation à l'arbre d'entrée (3) et au premier arbre de sortie (4) et la première roue solaire (17) étant accouplée au deuxième arbre de sortie (5) de manière solidaire en rotation et/ou par le biais d'un engrenage planétaire de renfort (27), la deuxième roue solaire (18) étant raccordée par une technique d'entraînement à une machine électrique (20) par le biais d'un agencement d'embrayage (19).
PCT/EP2020/050355 2019-02-08 2020-01-09 Dispositif de transmission pour véhicule à moteur WO2020160865A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019201636.7 2019-02-08
DE102019201636.7A DE102019201636B4 (de) 2019-02-08 2019-02-08 Getriebeeinrichtung für ein Kraftfahrzeug mit einem Stufenplanetengetriebe

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WO2020160865A1 true WO2020160865A1 (fr) 2020-08-13

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WO2021164909A1 (fr) * 2020-02-20 2021-08-26 Audi Ag Véhicule à moteur
CN113815407A (zh) * 2021-08-20 2021-12-21 东风汽车集团股份有限公司 一种动力传动系统及车辆
US20220281309A1 (en) * 2021-03-02 2022-09-08 Toyota Jidosha Kabushiki Kaisha Vehicle drive system and control method therefor

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EP1533166A2 (fr) * 2003-11-18 2005-05-25 Fuji Jukogyo Kabushiki Kaisha Dispositif de contrôle des forces motrices d'un véhicule hybride
DE102007023462A1 (de) * 2007-05-19 2008-11-27 Zf Friedrichshafen Ag Überlagerungsgetriebe zum Verteilen eines Antriebsmomentes auf wenigstens zwei Abtriebswellen
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EP1494886B1 (fr) 2002-02-08 2009-12-02 Ricardo UK Limited Systemes de transmission pour vehicule
WO2010141682A1 (fr) * 2009-06-05 2010-12-09 Magna Powertrain Usa, Inc. Boîte de transfert électrique hybride multimodale pour véhicule à quatre roues motrices
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DE102014013574B4 (de) 2014-06-17 2018-08-30 Audi Ag Getriebeeinrichtung für ein Kraftfahrzeug
DE102015213109A1 (de) 2015-07-13 2017-01-19 Avl List Gmbh Drehmomentübertragungsvorrichtung und Kraftfahrzeug mit einer Drehmomentübertragungsvorrichtung
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EP1494886B1 (fr) 2002-02-08 2009-12-02 Ricardo UK Limited Systemes de transmission pour vehicule
EP1533166A2 (fr) * 2003-11-18 2005-05-25 Fuji Jukogyo Kabushiki Kaisha Dispositif de contrôle des forces motrices d'un véhicule hybride
DE102007023462A1 (de) * 2007-05-19 2008-11-27 Zf Friedrichshafen Ag Überlagerungsgetriebe zum Verteilen eines Antriebsmomentes auf wenigstens zwei Abtriebswellen
US20080318720A1 (en) * 2007-05-25 2008-12-25 Honda Motor Co., Ltd. Driving device for hybrid vehicle
WO2010141682A1 (fr) * 2009-06-05 2010-12-09 Magna Powertrain Usa, Inc. Boîte de transfert électrique hybride multimodale pour véhicule à quatre roues motrices
DE102014009866A1 (de) * 2014-07-03 2016-01-07 Daimler Ag Antriebsstrangvorrichtung für ein Kraftfahrzeug

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021164909A1 (fr) * 2020-02-20 2021-08-26 Audi Ag Véhicule à moteur
US20220281309A1 (en) * 2021-03-02 2022-09-08 Toyota Jidosha Kabushiki Kaisha Vehicle drive system and control method therefor
US11548371B2 (en) * 2021-03-02 2023-01-10 Toyota Jidosha Kabushiki Kaisha Vehicle drive system and control method therefor
CN113815407A (zh) * 2021-08-20 2021-12-21 东风汽车集团股份有限公司 一种动力传动系统及车辆

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DE102019201636B4 (de) 2024-03-07
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