WO2012025202A1 - Système de propulsion hybride pour un véhicule à moteur - Google Patents

Système de propulsion hybride pour un véhicule à moteur Download PDF

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Publication number
WO2012025202A1
WO2012025202A1 PCT/EP2011/004126 EP2011004126W WO2012025202A1 WO 2012025202 A1 WO2012025202 A1 WO 2012025202A1 EP 2011004126 W EP2011004126 W EP 2011004126W WO 2012025202 A1 WO2012025202 A1 WO 2012025202A1
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WO
WIPO (PCT)
Prior art keywords
gear
planetary gear
planetary
sun gear
electric machine
Prior art date
Application number
PCT/EP2011/004126
Other languages
German (de)
English (en)
Inventor
Norbert Scholz
Original Assignee
Volkswagen Aktiengesellschaft
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Filing date
Publication date
Application filed by Volkswagen Aktiengesellschaft filed Critical Volkswagen Aktiengesellschaft
Publication of WO2012025202A1 publication Critical patent/WO2012025202A1/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
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/44—Series-parallel type
    • B60K6/445—Differential gearing distribution 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
    • B60K6/22—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
    • 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
    • F16H3/727—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 with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path
    • F16H3/728—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 with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path with means to change ratio in the mechanical gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/10—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing at both ends of intermediate shafts
    • F16H2037/102—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing at both ends of intermediate shafts the input or output shaft of the transmission is connected or connectable to two or more differentials
    • 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
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/10—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing at both ends of intermediate shafts
    • F16H2037/104—Power split variators with one end of the CVT connected or connectable to two or more differentials
    • 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
    • F16H2200/201—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with three 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
    • F16H2200/2046—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with six engaging means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • 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
    • F16H2200/2048—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with seven 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

  • the invention relates to a hybrid drive assembly for a motor vehicle whose elements are at least partially contained in a housing.
  • Hybrid drive arrangements in the form of power-split transmissions are known to the person skilled in many designs.
  • Such drive arrangements comprise a first electric machine, which is usually designed as an internal rotor and can be operated in both motor and generator mode, and a second electric machine, which is usually also designed as an internal rotor and operable in both motor and generator operation.
  • the electric machines are each a planetary gear with ring gear, sun gear and a set of rotatably mounted on a land planetary gears with an input-side drive and / or an output side
  • a hybrid drive arrangement according to the invention for a motor vehicle comprises a housing in which at least sections are contained:
  • a first electric machine with a housing-fixed, outer stator and an inner rotor
  • a second electric machine having a housing-fixed, outer stator and an inner rotor, which is arranged axially adjacent to the first electrical machine
  • a first planetary gear comprising a ring gear, a sun gear, and a set of planet gears rotatably mounted on a land meshing with the ring gear and the sun gear, the first planetary gear coupling the first electric machine to the input shaft and the output shaft;
  • a second planetary gear comprising a ring gear, a sun gear and a rotatably mounted on a web gear meshing with the ring gear and the sun gear of planetary gears, wherein the second planetary gear coupling the first planetary gear with the second electric machine, and
  • a third planetary gear comprising a ring gear, a sun gear, and a set of planetary gears rotatably mounted on a land meshing with the ring gear and the sun gear, the third planetary gear coupling the second electric machine to the output shaft;
  • the web of the first planetary gear is fixedly connected to the ring gear of the second planetary gear
  • the web of the second planetary gear is fixedly connected to the ring gear of the first planetary gear
  • Planetary gear is firmly connected.
  • Coupled or “coupled” is widely understood and in particular comprises the fixed connection on the one hand and the switchable coupling or connectivity on the other hand.
  • Fixed connection or "firmly connected” means in the context of the present description a not (by means of switching elements) separable, in principle suitable for torque transmission effective closure between two elements. This can in particular a non-rotatable Be compound in which the connected elements always have a speed difference of zero.
  • a translation stage permanently, ie not (by means of switching elements) separable, coupled elements to be understood as "firmly connected”.
  • Switchable connection or “switchably connected” or “connectable” in the context of the present description means a coupling between two elements, which can be converted by means of a switching element from a torque-transmitting, connected state into a no-torque transmitting disconnected state and vice versa.
  • An essential feature of the present invention is that three planetary gear for coupling the two electric machines with the drive and / or the output shaft are provided. It takes over the here designated as the first planetary gear
  • the planetary gear transmission referred to here as second planetary gear represents an intermediate gear, which is the first planetary gear with the second electric machine or depending on the embodiment and switching state in addition to the third
  • the second planetary gear is coupled in a special way. In particular, it is symmetrical with the first one
  • the invention provides that both electrical machines each on
  • Output shaft are connectable.
  • the first clutch When the first clutch is closed, the abovementioned reactive power-free, power-split operating mode is present. However, opening the first clutch opens up further operating states, which depend on the special design of the
  • the ring gear of the third planetary gear can be connected to the housing by means of a first brake.
  • This first brake can thus determine the ring gear of the third planetary gear on the housing.
  • the third planetary gear thus acts as a pure translation stage, via which the second electric machine is coupled to the output shaft.
  • a fixed mechanical gear namely with the second clutch closed and the second brake closed
  • an additional serial hybrid mode namely when the second clutch is open and the second brake is closed, are opened by these additional shifting elements.
  • the drive shaft can be connected by means of a third clutch to the sun gear of the second planetary gear.
  • Machine can be connected by means of a third brake with the housing. As a result, an additional fixed gear is also realized.
  • the drive shaft can be connected to the housing by means of a fourth brake.
  • a torque acting on the drive shaft can be mechanically supported in purely electrical operation.
  • a support of such a retroactive torque is required so that standing in pure electrical operation internal combustion engine, which is connected outside the housing to the drive shaft, not idle rotates or runs backwards.
  • Figure 1 an embodiment of a first variant of the invention
  • Figure 2 a first embodiment of a second variant of the invention
  • Figure 3 a second embodiment of the second variant of the invention
  • Figure 4 a third and fourth embodiment of the second variant of
  • Hybrid drive arrangement according to the invention.
  • FIGS. 1-4 show various embodiments of a device according to the invention
  • All illustrated hybrid drive assemblies 10 have an input side
  • All illustrated hybrid drive arrangements 10 have a first electric machine 20 and a second electric machine 30.
  • the stator 22 of the first electric machine 20 is rotatably connected to a housing not shown in detail.
  • the rotor 24 of the first electric machine 20 is mounted for rotation radially inside the stator 22.
  • the stator 32 of the second electric machine 30 is also rotatably connected to the housing.
  • the rotor 34 of the second electric machine is radially inward of the stator 32
  • the two electrical machines 20, 30 are arranged axially adjacent to each other. This is called a so-called "in-line” configuration.
  • the first planetary gear 40 has a ring gear 42, a sun gear 44 and a set of rotatably mounted on a web 46 planetary gears 48.
  • the second planetary gear 40 has a ring gear 42, a sun gear 44 and a set of rotatably mounted on a web 46 planetary gears 48.
  • Planetary gear 50 has a ring gear 52, a sun gear 54 and a set rotatably mounted on a web 56 planetary gears 58.
  • the third planetary gear 60 has a ring gear 62, a sun gear 64 and a set of rotatably mounted on a web 66 planet wheels 68.
  • the rotor 24 of the first electric machine 20 is fixedly connected to the sun gear 44 of the first planetary gear 40.
  • the rotor 34 of the second electric machine 30 is fixedly connected to the sun gear 64 of the third planetary gear 60.
  • the attack of the electrical machines 20, 30 on the sun gears 44, 64 leads to a minimization of the moments within the gear assembly.
  • the ring gear 42 of the first planetary gear 40 is fixed to the web 56 of the second planetary gear 50 and the web 46 of the first
  • Planetary gear 40 fixed to the ring gear 52 of the second planetary gear 50 connected. This particular coupling of the first and second planetary gear 40, 50 provides the desired reactive power freedom, at least in some work areas of
  • Planetary gear 40 and the ring gear 52 of the second planetary gear 50 which, as mentioned, are fixedly connected to each other, coupled via a first clutch 70 to the output shaft switchable.
  • first clutch 70 to the output shaft switchable.
  • the invention is also conceivable with a fixed connection instead of the switchable first clutch 70. This fixed connection would correspond to operation of the hybrid drive assembly with closed first clutch 70.
  • the sun gear 64 of the third planetary gear 60 is fixedly connected to the rotor 34 of the second electric machine 30.
  • the web 66 of the third planetary gear 60 is firmly connected to the output shaft 14.
  • the ring gear 62 of the third planetary gear 60 is connected via a first brake 80 to the housing.
  • the first brake 80 is not mandatory for the present invention. Rather, embodiments with free ring gear 62 or fixed to the housing connected ring gear 62 are conceivable.
  • the arrangement of such a switching element, namely the first brake 80 opens up a wider range of operating modes, which will be discussed in more detail below.
  • the fourth brake 86 which switchably couples the drive shaft 12 to the housing, i. set the drive shaft 12 in the closed braking state on the housing and can release in the open braking state for a rotational movement.
  • the person skilled in the art will recognize that it is the action of the fourth brake 86 to boost a torque applied by the first electric machine 20 in the purely electrical operation of the motor vehicle, which is transmitted to the drive shaft 12 via the first and the second planetary gear 40, 50. Without the fourth brake 86, this task would have to be taken over by the second electric machine 30 alone. Thanks to the fourth brake 86, the first electric machine 20 can now make its own propulsion contribution.
  • Figure 1 shows an embodiment of the invention in which the rotor 34 of the second electric machine 30 is fixedly connected not only to the sun gear 54 of the second planetary gear 50 but also to the sun gear 64 of the third planetary gear 60.
  • Embodiment allows, depending on the switching state of the switching elements, i. the first clutch 70, the first brake 80 and the fourth brake 86, five different ones
  • the first brake 80 In a first power-split operating mode, the first brake 80 is closed and the other switchable elements open.
  • a mechanical branch runs from an unillustrated and coupled to the drive shaft 12 outside the housing
  • An electrical branch passes through the first planetary gear 40 to the first electric machine 20, which can either be operated as a generator or motorized to boost can be used. Due to the fixed connection between the sun gears 54, 64 of the second and third
  • Planetary gear 50, 60 with the rotor 34 of the second electric machine 30, these can also be used in the operating state described as a generator or motor to boost.
  • first brake 80 When the first brake 80 is closed and the first clutch 70 is closed, there results a fixed mechanical gear from the internal combustion engine to the output shaft 14.
  • Figure 2 shows, in contrast to Figure 1, an embodiment in which the sun gears 54, 56 of the second and third planetary gear 50, 60 are not fixed to each other.
  • the sun gear 64 of the third planetary gear 60 is as in the previously described
  • Embodiment firmly connected to the rotor 34 of the second electric machine 30.
  • the sun gear 54 of the second planetary gear 50 is connected via a second clutch 72 to the rotor 34 of the second electric machine 30 and the sun gear 64 of the third planetary gear.
  • the sun gear 54 of the second planetary gear 50 can be connected to the housing via a second brake 82. This results in two additional operating modes.
  • the additional operating modes are on the one hand a long fixed gear and on the other a serial hybrid mode.
  • the additional long Festgang results in closed second clutch 72 and closed second brake 82 and otherwise open switching elements.
  • the additional serial operating mode results when the first brake 80 is closed and the second brake 82 is closed with otherwise open switching elements. In this state, the internal combustion engine drives the first electric machine 20 over the first one
  • Planetary gear 40 regenerative on.
  • the second planetary gear 50, the sun gear 54 is held on the closed second brake 82, determines the translation Due to the open first and second clutches 70, 72, there is no connection to the output shaft 14. This is electrically driven solely by the second electric machine 72 via the third planetary gear 60 ,
  • an additional, third clutch 74 is provided, by means of which the drive shaft 12 with the sun gear 54 of the second planetary gear 50 is connectable. This results in three more operating modes.
  • the operating modes described above are also in the embodiment of Figure 3 in the same way, each with open third clutch 74 reachable.
  • the additional operating modes include a short ramp, another long ramp, and another serial mode of operation.
  • the short additional Festgang results in closed first brake 80 and
  • the second electric machine 30 drives the output shaft 14 via the third planetary gear 60, which acts as a pure transmission stage due to its ring gear 62 held by the first brake 80.
  • the embodiment of Figure 4 includes in addition to the embodiment of Figure 2 and the embodiment of Figure 3, a further, here referred to as third brake 84 brake, with which the rotor 24 of the first electric machine 20 can be fixed to the housing.
  • This measure is independent of whether, as shown in Figure 3, the drive shaft 12 by means of a third clutch 74 with the sun gear 54 of the second planetary gear 50 is connectable.
  • the third clutch 74 is thus optional in this context, which is indicated by the dashed line in Figure 4.

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

Abstract

Système de propulsion hybride pour un véhicule à moteur, comprenant un carter et, au moins dans certaines parties, un arbre primaire (12) côté entrée; un arbre secondaire (14) côté sortie; un premier moteur électrique (20) comportant un stator extérieur (22), fixé au carter, et un rotor intérieur (24); un deuxième moteur électrique (30) comportant un stator extérieur (32), fixé au carter, et un rotor intérieur (34), le deuxième moteur électrique étant disposé de manière axialement adjacente au premier moteur électrique (20); un premier train épicycloïdal (40), comprenant une couronne (42), un pignon planétaire (44) et un jeu de satellites (48) montés de matière rotative sur un porte-satellites (46) et venant s'engrener avec la couronne (42) et avec le pignon planétaire (44), le premier train épicycloïdal(40) accouplant le premier moteur électrique (20) avec l'arbre primaire (12) et l'arbre secondaire (14); un deuxième train épicycloïdal (50) comprenant une couronne (52), un pignon planétaire (54) et un jeu de satellites (58) montés de matière rotative sur un porte-satellites (56) et venant s'engrener avec la couronne (52) et avec le pignon planétaire (54), le deuxième train épicycloïdal (50) accouplant le premier train épicycloïdal avec le deuxième moteur électrique (30); et un troisième train épicycloïdal (60) comprenant une couronne (62), un pignon planétaire (64) et un jeu de satellites (68) montés de matière rotative sur un porte-satellites (66) et venant s'engrener avec la couronne (62) et avec le pignon planétaire (64), le troisième train épicycloïdal (60) accouplant le deuxième moteur électrique (30) avec l'arbre secondaire (14), le porte-satellites (46) du premier train épicycloïdal (40) étant solidement fixé à la couronne (52) du deuxième train épicycloïdal (50), le porte-satellites (56) du deuxième train épicycloïdal (50) étant solidement fixé à la couronne (42) du premier train épicycloïdal (40), le rotor (24) du premier moteur électrique (20) étant solidement fixé au pignon planétaire (44) du premier train épicycloïdal (40), et le rotor (34) du deuxième moteur électrique (30) étant solidement fixé au pignon planétaire (64) du troisième train épicycloïdal (60).
PCT/EP2011/004126 2010-08-24 2011-08-17 Système de propulsion hybride pour un véhicule à moteur WO2012025202A1 (fr)

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CN107054045A (zh) * 2017-05-22 2017-08-18 广州市新域动力技术有限公司 含三档自动变速模块的多模复合混合动力装置
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DE102012024219A1 (de) * 2012-12-11 2014-06-12 Daimler Ag Mehrstufengetriebe für ein Kraftfahrzeug
DE102012025369A1 (de) * 2012-12-28 2014-07-03 Volkswagen Aktiengesellschaft Hybridantriebsanordnung für Kraftfahrzeuge

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US9963029B1 (en) 2016-10-21 2018-05-08 Guangzhou Sunmile Dynamic Technologies Corp., Ltd Hybrid transmission device
CN106627095A (zh) * 2017-01-06 2017-05-10 广州市新域动力技术有限公司 六盘制动式多模插电式混合动力装置
CN107054045A (zh) * 2017-05-22 2017-08-18 广州市新域动力技术有限公司 含三档自动变速模块的多模复合混合动力装置
CN113043826A (zh) * 2021-05-10 2021-06-29 上海中科深江电动车辆有限公司 三电机增程系统
CN113043826B (zh) * 2021-05-10 2022-06-28 上海中科深江电动车辆有限公司 三电机增程系统

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