WO2019105508A1 - Système d'entraînement pour véhicule hybride et procédé permettant de faire fonctionner un véhicule automobile muni dudit système - Google Patents

Système d'entraînement pour véhicule hybride et procédé permettant de faire fonctionner un véhicule automobile muni dudit système Download PDF

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Publication number
WO2019105508A1
WO2019105508A1 PCT/DE2018/100956 DE2018100956W WO2019105508A1 WO 2019105508 A1 WO2019105508 A1 WO 2019105508A1 DE 2018100956 W DE2018100956 W DE 2018100956W WO 2019105508 A1 WO2019105508 A1 WO 2019105508A1
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WO
WIPO (PCT)
Prior art keywords
transmission
power
electric motor
drive arrangement
aux
Prior art date
Application number
PCT/DE2018/100956
Other languages
German (de)
English (en)
Inventor
Andrea Reichert
Martin Dressel
Original Assignee
Schaeffler Technologies AG & Co. KG
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Publication date
Application filed by Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Publication of WO2019105508A1 publication Critical patent/WO2019105508A1/fr

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    • 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
    • B60K25/00—Auxiliary drives
    • B60K25/02—Auxiliary drives directly from an engine shaft
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
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    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
    • B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • B60K6/405—Housings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50—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
    • 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
    • F16H3/006—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion power being selectively transmitted by either one of the parallel flow paths
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
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    • B60K6/48—Parallel type
    • B60K2006/4833—Step up or reduction gearing driving generator, e.g. to operate generator in most efficient speed range
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60K25/00—Auxiliary drives
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    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
    • F16H3/093—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts
    • F16H2003/0931—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts each countershaft having an output gear meshing with a single common gear on the output shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0052—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising six forward speeds
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    • F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
    • F16H3/093—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts
    • 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 drive arrangement which forms part of a drive system for a hybrid vehicle in the intended installed state and comprises an electric motor and ancillary units and a transmission with a gearbox housing, a power input for an internal combustion engine and a power output Gearbox provided on the part of the electric motor power contribution and provided by an internal combustion engine power contribution are performed on the power output and this at least the ratio between the engine input zugeordne- th power input and the power output is switchable changeable.
  • a drive arrangement for a motor vehicle is known from DE 101 33 695 A1, which comprises an internal combustion engine and a dual-clutch transmission driven by the latter, wherein an electric motor is connected to the transmission via which the motor vehicle can also be operated in the purely electromotive operating mode.
  • the drive arrangement comprises an auxiliary unit which is arranged coaxially with respect to a rotor shaft of the electric motor and can be connected to this rotor shaft in a switchable manner via a switching element.
  • the invention has for its object to provide a drive arrangement of the abovementioned kind for a hybrid vehicle, which is characterized by an advantageous feasible overall structure and their operation offers energy advantages over previous designs.
  • a transmission comprising a transmission housing, a first power input, a second power input, a first power output and a second power output,
  • At least the transmission ratio between the first power input and the first power output is switchable changeable
  • the electric motor is integrated into or connected to the transmission housing,
  • the at least one ancillary unit is arranged outside the transmission housing and can be driven via the second power output, and
  • the transmission provides a first power tap path leading via the second power output, via which the at least one secondary gear can be coupled with a power transfer path leading to the first power output, and
  • the drive arrangement provides a second hoabgriffsweg over which the at least one arranged outside the transmission housing auxiliary unit is kinematically coupled to the electric motor.
  • the drive arrangement is designed such that the first hoabgriffsweg comprises a first switching element, via which the first hoabgriffsweg switchable closable and switchable is separable.
  • the switching element is preferably designed as an electrically controllable coupling element, which only has to be activated within the context of the switching state change and the set switching state then remains currentless.
  • the switching element is in turn preferably designed as a frictionally engaging clutch, which can be switched under load and without Synchronis sations lead.
  • the second cruabgriffsweg comprises a second switching element, via which the second hoabgriffsweg switchable closable and switchable separable. In its construction, this switching element may have a similar construction to the first switching element, in particular, be switched under load or unsynchronized.
  • the first shift element is preferably located in the inner region of the transmission housing, the second shift element is preferably arranged outside the transmission housing.
  • the drive arrangement is preferably designed such that the first power tap path can be coupled via the first switching element to a transmission input shaft.
  • the drive arrangement can also be designed so that the first hoabgriffsweg via the first switching element with a transmission output shaft is coupled.
  • the second crubgriffsweg can be advantageously designed so that it comprises a belt drive, a spur gear or a Stirnradkette.
  • This second output tapping path preferably extends at least in sections outside the transmission housing, wherein in turn preferably a radial offset between the input shaft of the auxiliary unit and the axis of the rotor shaft of the electric motor is bridged over this section of the second power tapping path extending outside the transmission housing.
  • the drive arrangement preferably comprises a third switching element via which the drive connection between the electric motor and a power transfer path extending in the transmission and leading to the first power output can be switched to be suspended.
  • This third switching element can in turn preferably be designed as a frictionally coupling switching element and in turn is preferably arranged in the inner region of the transmission housing.
  • the power transfer path switched by the third switching element runs completely inside the gearbox housing when the electric motor is arranged inside.
  • this power transfer path preferably runs at least in sections inside the gearbox housing.
  • the electric motor is preferably integrated in the drive arrangement in such a way that the axis of a rotor of the electric motor is arranged parallel to a first drive shaft of the gear and offset radially relative to the latter.
  • the electric motor can be advantageously designed as a rotating field motor and have a rotor equipped with permanent magnets.
  • the electric motor may also have a different construction, e.g. be designed as an asynchronous motor.
  • the slave unit may be configured to have an input shaft coaxial with the first drive shaft, i. is aligned to the transmission input shaft of the transmission.
  • the ancillary unit is preferably located in an outer region of the transmission housing facing away from the first power input of the transmission.
  • the transmission of the drive arrangement according to the invention is preferably designed as a double clutch transmission and constructed such that the dual clutch device of the transmission in the range of the first power input, i. that of the engine facing side is located.
  • the drive arrangement according to the invention is suitable in a particularly advantageous manner for use in hybrid vehicles in which the electric motor is arranged in the transmission and further units such as e.g. the water pump, the air conditioning compressor, and the power steering pump are attached from the outside to the transmission housing or arranged in the vicinity thereof and are thus integrated into the drive assembly.
  • the electric motor is arranged in the transmission and further units such as e.g. the water pump, the air conditioning compressor, and the power steering pump are attached from the outside to the transmission housing or arranged in the vicinity thereof and are thus integrated into the drive assembly.
  • These ancillaries can then be operated, if necessary, purely electrically on standstill of the internal combustion engine or the corresponding vehicle.
  • the present invention includes a novel arrangement and kinematic connection of the ancillary components.
  • the electric motor is preferably located in the inner region of the transmission housing and the auxiliary units are attached to the transmission housing and can be switched in conjunction with "intelligent" switching elements, which makes it possible, the auxiliary units depending on the operating condition of the vehicle and / or the Drive motors and / or battery state of charge and / or external factors (eg temperature) taking into account always operate in the most energy efficient mode.
  • the drive of the ancillary units taking place via the transmission shaft when the vehicle is moving and / or the internal combustion engine is running.
  • the kinetic energy of the vehicle can be used in rolling and pushing operation of the vehicle.
  • At least one of the shifting elements provided in this case can be arranged in the inner region of the transmission housing, so that the transmission housing constitutes a core module comprising the electric motor and the dual-clutch transmission, to which the at least one auxiliary unit is attached externally or at least drivingly coupled.
  • a dual-clutch transmission which is connected on the input side to a drive motor, eg an internal combustion engine, and which is connected to at least one vehicle axle on the output side, then at any position on one of the transmission shafts and parallel to this one electric motor / generator and at the end of one of the input shafts (opposite the clutch), coaxial, an auxiliary unit such as an air conditioning compressor, a water pump, a servo pump or similar. tethered.
  • the connection of the attached from the outside of the gearbox accessory to the transmission input shaft has the advantage that the unit is still operated in internal combustion engine operation with the speed of the internal combustion engine.
  • the e-machine is integrated in the gearbox housing, which allows a space-saving design and avoids additional sealing of shafts.
  • the auxiliary unit or ancillary units are arranged outside the gearbox housing, in particular attached to the gearbox housing from the outside, wherein the gearbox housing can also offer housing functions in this area, which complement one another in conjunction with a further housing component of the auxiliary unit to form an accessory unit housing ,
  • connection of the electric motor to the gear shaft takes place via gears or alternatively via a chain or a toothed belt running in oil with or without additional gear ratio.
  • the chain or belt drives can be equipped with conventional guide and / or slide rails or deflection and / or tension rollers.
  • the connection can be separated by a switching element.
  • the accessory is coaxial via a switching element, e.g. a friction or magnetic coupling releasably coupled to the transmission input shaft.
  • the transmission input shaft can be guided out of the transmission housing.
  • the corresponding switching element for the power take-off from the transmission input shaft can be located in the transmission housing or also outside it.
  • All switching elements may include constant or variable over / under steps, e.g. a planetary gear set.
  • the switching elements may simultaneously have damping or decoupling effects on the drive train and / or units, e.g. by means of a spring-damper element similar to a DMF.
  • the shift elements may be integrated in the gears / pulleys / sprockets that connect the electric motor and the genset together, or otherwise interrupt the connection from engine to genset.
  • the switching states of the elements are set according to the different operating states of the vehicle, as will be explained in more detail below.
  • the coaxially connected ancillary unit can also be connected to other ancillary units, e.g. be connected by means of chain or toothed belt drive.
  • all connected ancillary components can additionally have a further coupling and / or damping and / or decoupling element on their drive shaft. This enables individual operation of each individual unit depending on the operating state of the vehicle and on the other elements.
  • the unit can be decoupled from torsional vibrations of the drive train, which ensures a more even and efficient operation and / or avoids possible negative effects of the Anschaltvorganges on the driveline and thus indirectly to the vehicle.
  • this also includes a method for operating a motor vehicle with a drive arrangement described above in which, in the context of a push operation of the motor vehicle and the power requirement of the auxiliary unit, this auxiliary unit is driven via the first power tap distance and at standstill of the engine power. machine or the vehicle, the first hoabgriffsweg occupies a passive operating state and the electric motor drives the auxiliary unit via the switchable activatable second hoabgriffsweg.
  • FIG. 1a is a first schematic illustration for illustrating the structure of a
  • FIG. 1b shows a second schematic representation for a further illustration of the inventive concept, in particular with regard to the power tap paths and power transfer paths and the mode of action of the switching elements or freewheels, wherein in this illustration, unlike in FIG. 1a, the second power tap path runs in the interior of the gearbox housing;
  • FIG. 2 shows a third schematic illustration for illustrating the structure of a
  • FIG. 3 shows a fourth schematic representation for illustrating the structure of a
  • FIG. 1a shows an exemplary embodiment of a first embodiment of a drive arrangement according to the invention for a fly-bridged vehicle.
  • This drive arrangement comprises an electric motor E, at least one accessory AUX and a transmission G.
  • the transmission G comprises a transmission housing GH, a first externally accessible power input PD1, and a second internal power input PD2 located in the transmission housing GH. Furthermore, the transmission G comprises a first power output P01 leading to the outside, an outwardly leading second power output P02 and a third power output P03 also leading to the outside.
  • the drive arrangement is constructed in such a way that the power contributions P 1, P2 coupled into the first power input PD1 by an internal combustion engine BK and those injected by the electric motor E into the second power input PD2 are directed to the power output P01 via the transmission G, in which case - At least the ratio between the first power input PD1 and the power output P01 is switchable changeable.
  • the electric motor E is integrated in the transmission housing GH, the auxiliary unit AUX is arranged outside the transmission housing G and preferably attached to the gearbox housing GH from the outside.
  • the transmission G provides an internal power transfer path via which the power required for driving the vehicle in the gear G is fed to the first power output P01 and the axle differential gear AD coupled to it.
  • the transmission G provides a first power tap path PT1, via which the at least one auxiliary unit AUX, bypassing the electric motor E, can be coupled to the power transfer path leading to the power output P01.
  • the transmission provides a second power tap path PT2 via which the at least one auxiliary unit AUX can be kinematically coupled to the electric motor E, namely parallel to the power transfer path PT.
  • the drive arrangement is further configured in such a way that the first power tap path comprises a first switching element S1, via which the first power tap path PT1 is switchably closable and switchable separable.
  • the second performance handle path PT2 comprises a second switching element S2, via which the second power output path PT2 can be disconnected and disconnected in a switchable manner.
  • the first nurseabgriffsweg PT1 via the first switching element S1 with a first transmission shaft GW1 can be coupled.
  • the second power tap PT2 comprises a belt drive with a first pulling means Z1.
  • a third switching element S3 is furthermore provided, via which the drive connection between the electric motor E and a power transfer path PT3 running in the transmission and thereby leading via the second power input PD2 can be reversibly canceled.
  • the electric motor E is integrated into the drive arrangement in such a way that the axis XE of a rotor R of the electric motor E is arranged parallel to the axis X1 of the first drive shaft GW1 of the transmission G and radially offset therefrom.
  • the auxiliary unit AUX has an input shaft DS1, which is aligned coaxially with the axis X1 of the first drive shaft GW1 of the transmission G.
  • the kinematic coupling of the electric motor to the power transfer path PT3 takes place on a side of the electric motor E facing the auxiliary unit AUX.
  • the auxiliary unit AUX is attached to the transmission housing GH on a side of the transmission housing remote from the first power input PD1.
  • the electric motor E is located in an intermediate region between the double clutch DK and the auxiliary unit AUX.
  • the electric motor E is completely integrated into the transmission housing GH in this embodiment. However, it can also be integrated in the drive arrangement such that it dips into a receiving region defined by the transmission housing GH and then also comprises a residual housing which is flanged onto the transmission housing GH.
  • a shaft section is connected to the rotor shaft of the electric motor E, which is led out of the transmission housing G via a third power output P03.
  • a belt drive with a traction Z1.
  • This belt drive can be activated via the second shift element S2, so that the accessory AUX can be driven by the electric motor E via the latter.
  • the first switching element is spent in a passive state in which on the first switching element S1 and thus no power is performed on the first hoabgriffsweg PT1.
  • the first switching element S1 In overrun operation of the vehicle and in the power requirement of the auxiliary unit, and during operation of the internal combustion engine and power consumption of the auxiliary unit AUX, the first switching element S1 is closed and there is ne ne power transmission via the first hoabgriffsweg PT1.
  • the belt drive with the traction means Z1 is here in the outer area of the transmission housing.
  • the auxiliary unit AUX is arranged in an outer region of the transmission housing GH facing away from the first power input PD1 of the transmission G.
  • a double clutch device DK is provided in the area of the first power input PD1 .
  • the dual clutch device comprises a first clutch K1 and a second clutch K2.
  • the first transmission shaft GW1 can be coupled to the first power input PD1 via the first clutch K1.
  • the second transmission shaft GW2 can be coupled to the first power input PD1 via the second clutch K2.
  • the second transmission shaft GW2 is designed as a hollow shaft and the first transmission shaft GW1 is guided coaxially through this second transmission shaft GW2.
  • the first gear shaft GW1 carries spur gears W1 S1, W1 S2, W1 S3.
  • the second gear unit GW2 has spur gears W2S1, W2S2.
  • the spur gears W1 S1, W1 S2, W1 S3, W2S1, W2S2 are coupled by not shown clutches and / or freewheels with the shafts GW1, GW2, or as far as sufficient or necessary with these torsionsfest connected.
  • the transmission G comprises a first output shaft GW3 and a second output shaft GW4.
  • the first output shaft GW3 carries spur gears W3S1, W3S2, W3S3, W3S4. These spur gears W3S1, W3S2, W3S3, W3S4 can be coupled to the first output shaft GW3 at least in part by clutches or freewheels (not shown here).
  • the second output shaft GW4 carries spur wheels W4S1, W4S2, W4S3, W4S4, W4S5 and W4S6. These spur gears W4S1, W4S2, W4S3, W4S4, W4S5 and W4S6 can also be coupled to the second output shaft GW4, at least in part, by clutches or freewheels (not shown here).
  • axle differential AD The power transfer to an axle differential AD, which is coupled here to the power output P01, takes place via the first output shaft GW3.
  • axle differential AD is a power split on Radantriebswellen RW1, RW2.
  • This axle differential AD is here designed as a bevel gear differential, it may be formed in an advantageous manner as Stirnraddifferentialgetriebe.
  • the differential gear AD is designed here as an independent assembly, which is connected to the actual transmission G.
  • the differential gear AD can also be integrated into the transmission G, in particular its transmission housing GH.
  • the second crubgriffsweg PT2 runs at deisem embodiment at least partially outside the gear housing GH. It bridges a radial offset between the input shaft DS1 of the auxiliary unit AUX and the rotor axis XE
  • the representation of Figure 1 b illustrates the structure and operation of the drive assembly for a hybrid vehicle of Figure 1 a on.
  • the drive arrangement comprises an electric motor E, at least one auxiliary unit AUX and a transmission G.
  • the transmission G comprises a transmission housing GH, a first externally accessible power input PD1, a second internal power input PD2 located in the transmission housing GH , a first outgoing power output P01 and a second power output P02 leading to the auxiliary unit AUX
  • the power contributions P 1, P 2 injected by the internal combustion engine BK into the first power input PD 1 and those injected by the electric motor E into the second power input PD 2 are directed to the power output P01 and from these to an axle differential AD.
  • the gear G the transmission ratio between the first power input PD1 and the power output P01 is switchable changeable.
  • the electric motor E is accommodated in the interior of the transmission housing GH, the auxiliary unit is AUX is arranged outside of the transmission housing GH and is driven via the second power output P02.
  • the transmission G provides a first power take-off path PT1, which leads to the second power output P02 and via which the at least one auxiliary unit AUX can be coupled with a power transfer path PT leading to the power output P01, to create a purely mechanical drive connection.
  • the transmission G also provides a second power take-off path PT2, by way of which the at least one auxiliary unit AUX can be kinematically coupled to the electric motor E past the nuclear mechanics of the dual-clutch transmission in the manner of an energetic bypass.
  • the drive arrangement is further designed in such a way that the first power tap path PT1 comprises a first switching element S1, via which the first power tap path PT1 can be disconnected and disconnected in a switchable manner.
  • the second power tap path PT2 comprises a second switching element S2, via which the second power tap path PT2 is switchably closable and switchable separable.
  • the first nurseabgriffsweg PT1 via the first switching element S1 with a first transmission shaft GW1 can be coupled.
  • the second power tap PT2 includes a belt drive.
  • the drive connection between the electric motor E and a power transfer path PT3 running in the transmission and thereby leading via the second power input PD2 can be reversibly canceled.
  • the electric motor E is integrated into the drive arrangement in such a way that the axis XE of a rotor R of the electric motor E is arranged parallel to the axis X1 of the first drive shaft GW1 of the transmission G and radially offset therefrom.
  • the auxiliary unit AUX has an input shaft DS1, which is aligned coaxially with the axis X1 of the first drive shaft GW1 of the transmission G.
  • the auxiliary unit AUX is arranged in an outer region of the transmission housing GH facing away from the first power input PD1 of the transmission G. In the area of the first power output PD1, a double clutch device DK is provided.
  • the switching elements S1, S2, S3 are controlled via an electronic control device in accordance with various vehicle operating parameters and possibly other data, such as information about the course of the road and the route planning. For the in Operating conditions shown in Table T1, the switching elements S1, S2 and S3 assume the switching states indicated in Table T2.
  • a direct mechanical drive connection between an organ of the dual clutch transmission and the auxiliary unit AUX can be made or canceled.
  • a direct mechanical drive connection between the electric motor and the auxiliary unit AUX can be established or canceled.
  • a direct mechanical drive connection between the electric motor E and an input of the dual-clutch transmission DK can be established or canceled.
  • the auxiliary unit AUX When operating the drive assembly in a switching state in which the first and the third switching element cancel the drive connection, so do not allow Drehmomentomen- tententransfer, the auxiliary unit AUX is driven directly by the electric motor E.
  • the electric motor E is operated tuned to the power requirement of the auxiliary unit in this mode, so the electric motor E is operated in the case of the interpretation of the accessory as a power steering pump so that the power steering pump only promotes a sufficient flow of oil.
  • the electric motor E In the case of the design of the secondary unit as a circulating pump, the electric motor E is controlled in such a way that the delivery rate of the circulating pump meets the corresponding requirements.
  • auxiliary units AUX, AUX2 are provided here.
  • the second accessory AUX2 is coupled to the first power transfer path PT1 and the second power transfer path PT2. This is accomplished in the present example via a second belt drive PT2b with a second traction means Z2.
  • Both ancillaries AUX, AUX2 and the electric motor E are attached from the outside to the transmission housing GH.
  • One of the two auxiliary units AUX, AUX2 - here the first auxiliary unit AUX - is so integrated into the drive arrangement that its input shaft DS1 is aligned with the transmission axis X1 of the power input PD1 of the transmission G.
  • the second auxiliary unit AUX2 is arranged axially parallel to the first auxiliary unit AUX.
  • Both auxiliary units AUX, AUX2 are located on a side facing away from the power input PD1 side of the double clutch DK.
  • both auxiliary units AUX, AUX2 are attached to the transmission housing GH from the outside.
  • the electric motor E is accommodated in the transmission housing GH.
  • the first accessory AUX is integrated into the drive arrangement such that its input shaft DS1 is aligned with the transmission axis X1 of the power input PD1 of the transmission G.
  • the second auxiliary unit AUX2 is arranged axially parallel to the first auxiliary unit AUX.
  • Both auxiliary units AUX, AUX2 are located on a side facing away from the power input PD1 side of the double clutch DK.
  • the electric motor E is arranged in the transmission housing G and aligned such that its rotor axis extends parallel to the transmission axis X1.
  • At least one of the switching elements S1, S2, S3 may also be designed as freewheeling, or as a switchable lockable, and / or switchable completely decoupled freewheel.
  • this freewheel would then be designed so that the transmission shaft GW1 or just a transmission side running drive train section via the first switching element S1 carries the auxiliary unit AUX. If the internal combustion engine BK, or the transmission shaft GW1 rotates more slowly than the portion of the first hoabgriffsweg leading to the auxiliary unit AUX, the first switching element S1 in a passive state and transfers no power, the drive of the auxiliary aggregate then takes place as required via the electric motor E.
  • the switching elements S2 and S3, can assume a passive state when in overrun mode of the vehicle each "overhaul" by the internal combustion engine BK or (in the vehicle thrust operation) via the axle differential driven drive train sections.
  • these can be designed so that the freewheeling function is selectively canceled and the switching element S1, S2, S3, a performance-leading merger in the switching element S1, S2, S3 running power transfer paths takes place, or the power transmission can also be completely canceled if, for example, there is no power requirement on the auxiliary unit.

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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)

Abstract

L'invention concerne un système d'entraînement pour véhicule hybride, comportant un moteur électrique (E), au moins un groupe auxiliaire (AUX), et une transmission (G) qui comprend un carter de transmission (GH) une première entrée de puissance (PD1) accessible de l'extérieur, une seconde entrée de puissance (PD2), une première sortie de puissance (PO1) menant vers l'extérieur et une seconde sortie de puissance (PO2) menant vers l'extérieur. Les apports de puissance introduits dans la première entrée de puissance (PD1) par un moteur à combustion interne (BK) et les apports de puissance introduits dans la seconde entrée de puissance (PD2) par le moteur électrique (E) sont guidés vers la première sortie de puissance (PO1) par l'intermédiaire de la transmission (G), de sorte qu'au moins le rapport de transmission entre la première entrée de puissance (PD1) et la sortie de puissance (PO1) est modifiable par commutation, le groupe auxiliaire (AUX) est agencé à l'extérieur du carter de transmission, la transmission (G) fournit une première voie de prélèvement de puissance (PT1) par laquelle le ou les groupes auxiliaires (AUX) peuvent être couplés en contournant le moteur électrique (E) à une voie de transfert de puissance (PT) menant à la première sortie de puissance (PO1), et le ou les groupes auxiliaires (AUX) peuvent être couplés au moteur électrique (E) par une seconde voie de prélèvement de puissance (PT2).
PCT/DE2018/100956 2017-11-30 2018-11-22 Système d'entraînement pour véhicule hybride et procédé permettant de faire fonctionner un véhicule automobile muni dudit système WO2019105508A1 (fr)

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DE102017128426.5A DE102017128426A1 (de) 2017-11-30 2017-11-30 Antriebsanordnung für ein Hybridfahrzeug

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
EP4173863A1 (fr) * 2021-10-27 2023-05-03 Volvo Truck Corporation Transmission, procédé de commande d'une transmission et véhicule

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DE102021102187A1 (de) 2021-02-01 2022-08-04 Schaeffler Technologies AG & Co. KG Nebengetriebeabschnitt zum Antrieb von mindestens einem Nebenaggregat, Hybridgetriebe mit dem Nebengetriebeabschnitt sowie Fahrzeug mit dem Hybridgetriebe

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DE4204384A1 (de) * 1991-01-31 1993-08-19 Man Nutzfahrzeuge Ag Hybrid-antriebseinrichtung eines fahrzeuges mit arbeitshydraulik
DE10133695A1 (de) 2000-07-18 2002-03-07 Luk Lamellen & Kupplungsbau Getriebe
WO2008138387A1 (fr) * 2007-05-14 2008-11-20 Fev Motorentechnik Gmbh Procédé pour faire fonctionner un système de propulsion hybride et système de propulsion hybride comportant deux engrenages partiels
EP2278192A1 (fr) * 2009-07-21 2011-01-26 Ferrari S.p.A. Transmission pour véhicule routier doté de propulsion hybride

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Publication number Priority date Publication date Assignee Title
DE4204384A1 (de) * 1991-01-31 1993-08-19 Man Nutzfahrzeuge Ag Hybrid-antriebseinrichtung eines fahrzeuges mit arbeitshydraulik
DE10133695A1 (de) 2000-07-18 2002-03-07 Luk Lamellen & Kupplungsbau Getriebe
WO2008138387A1 (fr) * 2007-05-14 2008-11-20 Fev Motorentechnik Gmbh Procédé pour faire fonctionner un système de propulsion hybride et système de propulsion hybride comportant deux engrenages partiels
EP2278192A1 (fr) * 2009-07-21 2011-01-26 Ferrari S.p.A. Transmission pour véhicule routier doté de propulsion hybride

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4173863A1 (fr) * 2021-10-27 2023-05-03 Volvo Truck Corporation Transmission, procédé de commande d'une transmission et véhicule
US11981197B2 (en) 2021-10-27 2024-05-14 Volvo Truck Corporation Powertrain, a method for controlling a powertrain, and a vehicle

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