WO2018114021A1 - Unité de transmission, en particulier pour un véhicule à moteur - Google Patents

Unité de transmission, en particulier pour un véhicule à moteur Download PDF

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Publication number
WO2018114021A1
WO2018114021A1 PCT/EP2017/001123 EP2017001123W WO2018114021A1 WO 2018114021 A1 WO2018114021 A1 WO 2018114021A1 EP 2017001123 W EP2017001123 W EP 2017001123W WO 2018114021 A1 WO2018114021 A1 WO 2018114021A1
Authority
WO
WIPO (PCT)
Prior art keywords
gear
planetary gear
planet carrier
rotatably connected
transmission
Prior art date
Application number
PCT/EP2017/001123
Other languages
German (de)
English (en)
Inventor
Tobias Schilder
Klaus Riedl
Original Assignee
Daimler Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daimler Ag filed Critical Daimler Ag
Publication of WO2018114021A1 publication Critical patent/WO2018114021A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • 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
    • F16H3/62—Gearings having three or more central gears
    • F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
    • B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54—Transmission for changing ratio
    • B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/38—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
    • B60K2006/381—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 characterized by driveline brakes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B60K2006/4816—Electric machine connected or connectable to gearbox internal shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • 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
    • F16H2003/442—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion comprising two or more sets of orbital gears arranged in a single plane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0052—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising six forward speeds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0065—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising nine forward speeds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/2012—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with four 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
    • F16H2200/2043—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with five 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

  • Transmission unit in particular for a motor vehicle
  • the invention relates to a transmission unit, in particular for a motor vehicle, according to the preamble of patent claim 1.
  • a transmission unit in particular for a motor vehicle such as a motor vehicle, is already known from DE 10 2008 005 626 A1 as known.
  • the gear unit is formed, for example, as a motor vehicle transmission unit and includes a first planetary gear, a second planetary gear, a third planetary gear and at least a fourth planetary gear, wherein the respective planetary gear is also referred to as planetary gear, wheelset or planetary gear.
  • the planetary gears each have a sun gear first
  • Gear element a ring gear as a second gear element and a planet carrier as a third gear element.
  • the planet carrier is usually referred to as a bridge.
  • On the planet carrier usually at least one planet gear is rotatably mounted, wherein the planet gear meshes with the respective ring gear and the respective sun gear.
  • the transmission unit further has a drive rotatably connected to one of the transmission elements, via which torques, which are provided by a different from the transmission unit, with respect to the transmission unit external drive unit, are introduced into the transmission unit.
  • the transmission element rotatably connected to the drive is thus applied with respect to the transmission elements as the first transmission element with the provided torques via the drive, whereby the provided torques are introduced from the outside into the gear unit.
  • the transmission unit has a rotationally fixedly connected to one of the transmission elements output, via which torques of the transmission unit can be provided. This allows the provided by the transmission unit
  • the transmission element rotationally fixed to the output is the last transmission element against abrasion, based on the transmission elements of the transmission unit.
  • the transmission element rotatably connected to the output is the last of the transmission elements in a torque flow from the drive to the output.
  • the sun gear of the first planetary gear is rotatably connected to the sun gear of the second planetary gear, so that, for example, the sun gears of the first planetary gear and the second planetary gear rotate together or at the same speed about a common axis of rotation or rotate about the axis of rotation.
  • Object of the present invention is to improve a transmission unit of the type mentioned.
  • the drive is rotatably connected to the ring gear of the first planetary gear.
  • the transmission element rotatably connected to the drive is the ring gear of the first planetary gear.
  • Locking element for blocking two of the three transmission elements of the first transmission element is provided. Under the blocking of the transmission elements is to be understood that the interconnected by means of the Verblockungselements
  • Gear elements rotate together or at the same speed about a common axis of rotation or rotate about the common axis of rotation, so that a relative rotation between the interconnected by means of Verblockungselements gear elements is avoided. In other words, they are running By means of the Verblockungselements interconnected gear elements in their interconnected state as a block around the common axis of rotation.
  • the Verblockungselement is preferably a Verblockungsschaltelement which between at least one of the two of the three transmission elements of the first planetary gear interlocking blocking or coupling state, in particular at least one coupling position, and at least one blocking the two of the three transmission elements of the first planetary gear canceling release or Entkoppelschreib , In particular, at least one Entkoppelwolf, switchable or adjustable or movable. If the blocking of the gear elements is canceled, then they can, for example, rotate relative to one another, in particular about the axis of rotation.
  • the switching element is preferably between a coupling state
  • Rotary axis is rotatable.
  • the gear unit makes it possible to realize or provide further gears of the gear unit, in particular by simply supplementing at least one switching element, so that, for example, different construction variants of the gear unit can be created in a particularly simple and cost-effective manner.
  • a 6 Gang hybrid version or a conventional version with six gears, especially forward gears, or a conventional version nine gears in particular
  • the hybrid version has at least one electric machine.
  • the conventional version is to be understood that the conventional version has no electric machine.
  • the six-speed hybrid version has, for example, exactly six, in particular fixed or mechanical, forward gears and - as will be explained in more detail below - at least one electric machine.
  • the conventional version with the nine or six gears, for example, has exactly nine or six forward gears.
  • the aforementioned electric machine can be particularly advantageously and easily integrated into the transmission unit, so that, for example, the transmission unit is particularly easy to create as an electric continuously variable transmission with an electrically infinitely variable transmission.
  • Such an electric continuously variable transmission is also commonly referred to as EVT (EVT) transmission.
  • EVT electric continuously variable transmission
  • it is possible to represent so-called electrical gears (e-gears).
  • e-gears electrical gears
  • particularly high efficiencies of individual gears or areas can be realized in cycle-relevant operating points by means of the gear unit according to the invention.
  • a particularly high switching flexibility for switching between the gears or areas can be realized, so that, for example, important circuits can be designed as load circuits.
  • important circuits can be designed as load circuits.
  • circuit combinations can also be used instead of loss causing lamellae switching elements new claw switching elements and thus form-fitting switching elements, whereby a particularly low-loss operation of the transmission unit can be realized.
  • the planetary gears which are also referred to as wheel sets, can be stacked particularly advantageously, so that the particular axial space requirement of the gear unit can be kept particularly low.
  • Another embodiment is characterized in that the output rotatably connected to the planet carrier of the third planetary gear or is connectable.
  • the space requirement of the gear unit can be kept particularly low.
  • the planet carrier of the second planetary gear is rotatably connected to a housing of the transmission unit or connectable, wherein the planetary gear are arranged in the housing.
  • the housing is also referred to as a gear housing, wherein at least a part of the gear elements are rotatable relative to the housing, in particular about the axis of rotation.
  • the planet carrier of the fourth planetary gear is rotatably connected to the output or connectable.
  • a particularly advantageous operation can be realized if a braking device is provided, by means of which the ring gear of the third planetary gear can be braked against the housing of the gear unit.
  • a braking device by means of which the ring gear of the third planetary gear can be braked against the housing of the gear unit.
  • the ring gear of the third planetary gear can be braked or reduced in its speed by means of the braking device.
  • braking can be understood to mean that the ring gear of the third planetary gear
  • Planetary gear rotatably connected to the output or connectable.
  • the sun gear of the third planetary gear by means of the switching element rotatably connected to the planet carrier of the first planetary gear.
  • a braking device is provided, by means of which the planet carrier of the second planetary gear can be braked against the housing of the gear unit. Furthermore, while the ring gear of the second Planet gear by means of the switching element rotatably connected to the planet carrier of the first planetary gear.
  • Another embodiment is characterized in that the drive rotatably connected to the planet carrier of the fourth planetary gear is connectable, wherein the
  • Sun gear of the fourth planetary gear by means of the switching element rotatably connected to the planet carrier of the first planetary gear is connectable.
  • Planet gear rotatably connected to the output, wherein the sun gear of the third planetary gear by means of the switching element rotatably connected to the planet carrier of the first planetary gear is connectable.
  • the sun gear of the third planetary gear is connected by means of switching element with the planet carrier of the first planet carrier, wherein the planet carrier of the third planetary gear rotatably connected to the output or connectable.
  • Planetary gear rotatably connected to the drive or connectable.
  • the planetary gear rotatably connected to the output, wherein the sun gear of the fourth planetary gear by means of the switching element rotatably connected to the planet carrier of the first planetary gear is connectable.
  • the coupling element is adjustable, for example, between at least one coupling position or at least one coupling state for non-rotatably connecting the respective transmission elements and at least one Entkoppel ein or at least one EntkoppelMap, in particular movable, in which or in the coupling position on the
  • Coupling element rotatably interconnected gear elements are decoupled from each other. Under this decoupling is to be understood in particular that the gear elements are rotatable relative to each other, in particular about said rotation axis. In the coupling position via the coupling element (switching element) with each other rotatably connected gear elements are rotatably connected to each other and thus rotate, for example, at the same speed around the axis of rotation.
  • the electric machine hybridization of the transmission unit can be displayed, so that it is possible to realize particularly advantageous functions of the transmission unit.
  • a particularly advantageous translation formation is possible, whereby loads acting on the electric machine can be kept particularly low.
  • the electrical machine can be made particularly small and light in terms of their dimensions and weight, so that the weight, the space requirement and the cost of the transmission unit can be kept very low overall.
  • the rotational mass of the electric machine can be kept low, with the low weight and the low rotational mass of the electric machine has a positive effect on energy consumption, in particular fuel consumption.
  • the transmission unit according to the invention is used in an automatic transmission, which is designed for example as a converter automatic transmission and thus has a hydrodynamic torque converter.
  • an automatic transmission which is designed for example as a converter automatic transmission and thus has a hydrodynamic torque converter.
  • Planet gear rotatably connected to the housing of the transmission unit or is connectable, wherein it is further preferably provided that the ring gear of the second Planet gear by means of the switching element rotatably connected to the planet carrier of the first planetary gear is connectable.
  • a braking device may be provided, by means of which the sun gear of the first planetary gear and thus the sun gear of the second gear can be braked against the housing of the gear unit.
  • the electric machine can be supported.
  • a conventional extension can be created in order to be able to realize, for example, the abovementioned nine forward gears of the transmission unit.
  • a braking device is provided, by means of which the ring gear of the second planetary gear can be braked against the housing of the gear unit.
  • This also provides support for the electric machine or a conventional extension can be realized in order to be able to realize the abovementioned nine forward gears of the transmission unit.
  • Figure 1 is a schematic representation of a transmission unit according to the invention according to a first embodiment, wherein the gear unit comprises an electric machine.
  • Fig. 2 is a schematic representation of the transmission unit according to a second
  • FIG. 3 is a schematic representation of the transmission unit according to a third
  • Fig. 4 is a schematic representation of the transmission unit according to a fourth
  • Fig. 5 is a schematic representation of the transmission unit according to a fifth
  • Fig. 6 is a schematic representation of the transmission unit according to a sixth
  • Fig. 7 is a schematic representation of the transmission unit according to a seventh
  • Fig. 8 is a schematic representation of the transmission unit according to a eighth
  • Fig. 1 shows a schematic representation of a first embodiment of a generally designated 10 gear unit, in particular for a motor vehicle such as a motor vehicle designed as a passenger car.
  • the transmission unit 10 is used in an automatic transmission or forms such an automatic transmission, which may be designed in particular as a converter automatic transmission and thus a hydrodynamic
  • Torque converter may include.
  • the transmission unit 10 is used in a drive train of the motor vehicle, which by means of
  • the drive train comprises the transmission unit 10 and at least one drive motor, for example designed as an internal combustion engine or as an electric motor, which can provide torques for driving the motor vehicle, in particular wheels of the motor vehicle.
  • the different from the transmission unit 10 in addition to the transmission unit 10 used and with respect to the transmission unit 10 external drive motor comprises, for example, at least one output shaft, via which the drive motor can provide the torques.
  • the drive motor is a drive unit, by means of which the Motor vehicle, in particular the wheels of the motor vehicle, can be driven via the gear unit 10 or can. As will be explained in detail below, for example, those provided by the drive motor
  • the transmission unit 10 has a first planetary gear 12, a second planetary gear 14, a third planetary gear 16 and a fourth planetary gear 18.
  • Planetary gears 12, 14, 16 and 18 are also called planetary gears
  • Planetary gear sets or sets of wheels are referred to and are arranged in the first embodiment along a main axis of rotation also called rotation axis and thus in the axial direction of the gear unit 10 successively or one behind the other.
  • the first planetary gear 12 has a first sun gear 20, a first ring gear 22 and a first planet carrier 24. Furthermore, the first one
  • Planetary gear 12 at least a first planet gear 26, which is rotatably mounted on the planet carrier 24 and meshes with the sun gear 20 and the ring gear 22.
  • the second planetary gear 14 has a second sun gear 28, a second ring gear 30 and a second planet carrier 32.
  • the second planetary gear 14 has at least one second planet gear 34, which is rotatably mounted on the planet carrier 32 and meshes with the sun gear 28 and the ring gear 30.
  • the third planetary gear 16 has a third sun gear 36, a third ring gear 38, a third planet carrier 40 and at least a third planet gear 42 which is rotatably mounted on the corresponding planet carrier 40 and meshes with the sun gear 36 and the ring gear 38.
  • Planetary gear 18 a fourth sun gear 44, a fourth ring gear 46, a fourth planet carrier 48 and at least a fourth planetary gear 50, which is rotatably mounted on the corresponding planet carrier 48 and meshes with the sun gear 44 and the ring gear 46.
  • Planet carriers 24, 32, 40 and 48 are respective transmission elements of the respective ones
  • Fig. 1 first
  • Embodiment all gear elements are rotatable about the main axis of rotation.
  • the transmission unit 10 in a particularly schematic and fragmentary in Fig. 1 illustrated housing 11, in which the transmission elements are accommodated. At least the said part of the transmission elements is rotatable about the main axis of rotation (rotation axis) relative to the housing 1 1.
  • the gear unit 10 has a drive 52, via which the above-mentioned, provided by the drive motor and in Fig. 1 by an arrow 54 illustrated torques in the transmission unit 10 can be introduced.
  • the drive motor via which the above-mentioned, provided by the drive motor and in Fig. 1 by an arrow 54 illustrated torques in the transmission unit 10 can be introduced.
  • Transmission unit 10 an output 56, via which the transmission unit 10 can provide the above-mentioned and illustrated in Fig. 1 by an arrow 58 torques for driving the motor vehicle, in particular the wheels of the motor vehicle.
  • the transmission unit 10 can provide the torques it provides via the output 56, so that, for example, a different from the transmission unit 10, for example, designed as a shaft component of
  • the drive 52 comprises, for example, an input shaft which can be driven by the abovementioned output shaft of the drive motor.
  • the output 56 includes, for example, an output shaft, via which the transmission unit 10 can provide said torques.
  • the first sun gear 20 of the first planetary gear 12 is rotatably connected to the second sun gear 28 of the second planetary gear 1.
  • the sun gears 20 and 28 are provided in the transmission unit 10 that the first sun gear 20 of the first planetary gear 12 is rotatably connected to the second sun gear 28 of the second planetary gear 1.
  • the drive 52 is non-rotatably connected to the first ring gear 22 of the first planetary gear 12.
  • the first ring gear 22 is thus the first of the transmission elements into which the torques provided by the drive motor and in particular transmitted to the drive 52, in particular first, be initiated.
  • the gear unit 10 has at least one blocking element 60, which is also referred to as a blocking switching element.
  • Locking element 60 are two of the three transmission elements of the first
  • Planetary gear 12 can be linked together. In these two by means of the
  • Verblockungselements 60 interconnected gear elements of the first planetary gear 12 is in the first embodiment to the first planet carrier 24 and the first ring gear 22.
  • the Verblockungselement 60 for example between at least one coupling position or a coupling state and at least one Entkoppelwolf or one
  • EntkoppelMap adjustable or switched especially movable In the coupling position of the planet carrier 24 via the Verblockungselement 60 with the ring gear 22, in particular form-fitting, blocked and thereby rotatably connected, so that then the planet carrier 24 and the ring gear 22 rotate together or at the same speed about the main axis of rotation (axis of rotation).
  • the planet carrier 24 and the ring gear 22 in the coupling position of the Verblockungselements 60 form a block, which about the Haupttrotationsachse
  • Main rotation axis relative to the housing 11 rotates.
  • the blocking element 60 releases the blocking of the planet carrier 24 with the ring gear 22 or the blocking is canceled, so that then, for example, the planet carrier 24, the ring gear 22, in particular to the
  • Main axis of rotation can rotate relative to each other.
  • This adjustability or reversibility of the Verblockungselements 60 can be readily transferred to other Verblockungs institute and / or switching elements of the transmission unit 10 and vice versa.
  • the previous and following versions of the blocking element 60 can readily be applied to others
  • Locking elements and / or switching elements of the transmission unit 10 are transmitted and vice versa. It is conceivable that the blocking element 60 as a positive locking element or as a form-locking
  • Switching element in particular as a claw or claw coupling is formed, so that the planet carrier 24 is coupled in the coupling position of the Verblockungselements 60 via this form-fitting manner with the ring gear 22 and thereby blocked. Then run the planet carrier 24 and the ring gear 22 as a block, in particular around the main axis of rotation, relative to the housing 11.
  • the gear unit 10 has a different from the blocking element 60, in addition to the blocking element 60 provided switching element 62, by means of which the planet carrier 24 of the planetary gear 12 with one of the transmission elements of the other planetary gear 14, 16 and 18 is rotatably connected.
  • this one transmission element with which the planet carrier 24 by means of
  • Switching element 62 is rotatably connected, it is in the first embodiment shown in Fig. 1 to the fourth sun gear 44 of the fourth planetary gear 18. As previously described in connection with the Verblockungselement 60, for example, the switching element 62 between at least one coupling position or coupling state and at least one decoupling position
  • the planet carrier 24 is decoupled from the sun gear 44 or not coupled via the switching element 62 with the sun gear 44.
  • Planet carrier 24, in particular about the main axis of rotation, relative to the sun gear 44 can rotate or vice versa.
  • the switching element 62 as a form-locking switching element, in particular as a claw, jaw clutch or shift claw, is formed, so that the planet carrier 24 in the coupling position of
  • the transmission unit 10 comprises a first brake device 64.
  • the following and previous embodiments of the braking device 64 can also be transferred to any other, and / or further braking devices of the gear unit 10, and vice versa.
  • the braking device 64 is also referred to as a brake.
  • Planet carrier 32 with respect to its speed or rotational speed at which the planet carrier 32 rotates about the main axis of rotation relative to the housing 1 1, can be reduced or slowed down.
  • the braking may be understood to mean that the planetary carrier 32 is secured or secured to the housing 11 by means of the braking device 64, whereby the planetary carrier 32 is secured against relative rotation to the housing 11.
  • This braking or securing of the planetary carrier 32 takes place, for example, by means of the braking device 64 frictionally or force-locking, so that the braking device 64, for example, as a friction brake, in particular as a multi-disc brake or multi-plate clutch is formed.
  • the transmission unit 10 has a second brake device 66, which is assigned to the third ring gear 38 of the third planetary gear 16.
  • the third ring gear 38 of the third planetary gear 16 by means of the second brake device 66 against the housing 11, in particular frictionally or force-locking, braked.
  • the transmission unit 10 is a hybrid version
  • the transmission unit 10 has at least one electric machine 68.
  • the electric machine 68 to the sun gears 20 and 28, in particular to said shaft, to which the sun gears 20 and 28 are rotatably connected, connected.
  • the electric machine 68 For example, provided by the electric machine 68 torques relative to the transmission elements are first introduced into the sun gears 20 and 28.
  • the electric machine 68 is operable, for example, in an engine operation and thus as an electric motor, wherein the electric machine 68 in the engine operation
  • the electric machine 68 can be operated, for example, in a generator mode and thus as a generator. In the generator mode, the electric machine 68 is driven by torques provided by the sun gears 20 and 28, in particular via the said shaft, and introduced into the electric machine 68.
  • the electric machine 68 includes, for example, a stator and a rotor which is rotatable about an axis of rotation relative to the stator. It falls
  • the rotor of the electric machine 68 is non-rotatably connected to the sun gears 20 and 28, in particular to the shaft, with which the sun gears 20 and 28 are connected in a rotationally fixed manner.
  • the electric machine 68 or an electric machine can be coupled to each transmission shaft, as a result of which various properties can be achieved.
  • the transmission unit 10 for example, as an EVT transmission (EVT - electric continuously variable transmission) can be formed.
  • EVT electric continuously variable transmission
  • Transmission unit 10 six, in particular exactly six, fixed or
  • the transmission unit 10 further comprises a third switching element 70, by means of which the drive 52 and the ring gear 22 rotatably connected to the fourth planetary carrier 48 of the fourth planetary gear 18 is connectable.
  • a third switching element 70 by means of which the drive 52 and the ring gear 22 rotatably connected to the fourth planetary carrier 48 of the fourth planetary gear 18 is connectable.
  • Switching element 70 between at least one Entkoppelwolf and at least one coupling position switchable or adjustable the previous and following versions of the switching element 62 can be easily transferred to the switching element 70 and vice versa.
  • the previous and following versions of the switching element 62 can be easily transferred to the switching element 70 and vice versa.
  • the switching element 70 releases the rotationally fixed coupling of the planet carrier 48 with the ring gear 22, so that then, for example, the ring gear 22, in particular about the main axis of rotation, relative to the planet carrier 48 can rotate or vice versa.
  • Fig. 2 shows a second embodiment of the transmission unit 10. The second
  • the embodiment differs from the first embodiment
  • a third braking device 72 is provided, by means of which the sun gears 20 and 28, in particular via said shaft, are braked against the housing 11.
  • the respective braking device 64th or 66 readily transferable to the braking device 72 and vice versa, so that, for example, the braking device 72 as a friction brake
  • Gear unit 10 for example, as a conventional version with nine forward gears, in particular with exactly forward gears trained. From a synopsis of FIGS. 1 and 2, it can be seen particularly clearly that simple and cost-effective variation of the gear unit 10, in particular of switching elements and / or
  • Locking elements and / or braking devices of the transmission unit can be realized.
  • the electric machine 68 in the first embodiment for example, in addition to the mechanical gears, electrical or virtual gears can be created that, for example, by adjusting a respective speed of the rotor, the respective translation of the respective mechanical gear can be varied.
  • Sun gears 36 and 44 is connected, wherein the sun gears 36 and 44 are rotatably connected to each other.
  • the planet carrier 24 via the switching element 62 rotatably connected to the sun gears 36 and 44 and rotatably connected to the ring gear 30.
  • the third planet carrier 40 of the third planetary gear 16 is rotatably connected to the ring gear 46, so that, for example, the planet carrier 40 is rotatably connected to the output 56.
  • Fig. 3 shows a third embodiment of the transmission unit 10. The third
  • the embodiment differs from the first embodiment
  • the electric machine 68 is omitted without substitution compared to the first embodiment. While, for example, by the use of the electric machine 68 in the first embodiment, by means of the electric machine 68 and thus electrically continuously adjustable
  • the gear unit 0 according to the third embodiment has six, in particular exactly six, mechanical forward gears and no virtual gears. While the second
  • the third embodiment is a conventional version with exactly six mechanical forward gears.
  • Fig. 4 and 5 show the example of the hybrid version two different
  • the blocking element 60 is for the blocking of the planet carrier 24 with the ring gear 22 of the first
  • Planetary gear 12 illustrated.
  • a fourth embodiment illustrated in FIG. 4 which corresponds to a first of the blocking variants, the ones which can be linked together by means of the blocking element 60 are
  • the planet carrier 24 can be blocked via the Verblockungselement 60 with the sun gears 20 and 28, so then in the coupling position of the Verblockungselements 60th the sun gears 20 and 28 and the planet carrier 24 as a block around the
  • Main axis of rotation, in particular relative to the housing, circulate.
  • the two gear elements of the first planetary gear 12 that can be locked together by means of the blocking element 60 are the ring gear 22 and the sun gear 20.
  • the ring gear 22 can be locked via the Verblockungselement 60 with both the sun gear 20 and the sun gear 28, so then in the coupling position of the Verblockungselements 60, the sun gears 20 and 28 and the ring gear 22 as a block around the main axis of rotation, in particular relative to the housing, circulate.
  • FIGS. 4 and 5 using the example of the hybrid version, in particular the 6-speed hybrid version, can be readily transferred to the third embodiment shown in FIG. 3, in which the transmission unit 10 is designed as a conventional version with six, in particular exactly six, forward gears is formed.
  • Locking variants are readily transferred to the second embodiment, in which the transmission unit 10 is formed as a conventional version with nine, in particular with exactly nine, forward gears.
  • the transmission unit 10 is formed as a conventional version with nine, in particular with exactly nine, forward gears.
  • the electric machine 68 instead of the electric machine 68 is the
  • Braking device 72 is used.
  • the illustrated in Fig. 5 Verlockungssection for example, instead of the electric machine 68 is simply the
  • Braking device 72 is used. Furthermore, for example, in FIG. 4
  • FIG. 6 shows a sixth embodiment of the transmission unit 10.
  • FIG. 6 illustrates a first conversion option, in particular a first local conversion option, of the transmission unit 10.
  • the conversion option is a stacked variant, which is particularly well suited for a transverse installation in which the
  • Main axis of rotation transverse or perpendicular to the vehicle longitudinal direction.
  • the axial space requirement of the transmission unit 10 according to the sixth embodiment can be kept particularly low.
  • the first planetary gear 12, the locking element 60, the switching element 62 and the braking device 64 in the radial direction outwards, in particular at least partially or at least predominantly or completely, are covered by the electric machine 68, so that the electric Machine 68, the planetary gear 12, the locking element 60, the switching element 62 and the braking device 64, in particular on the outer peripheral side or in the radial direction to the outside, surrounds or surrounds.
  • the second planetary gear 14 and the third planetary gear 16 are not in the axial direction one behind the other or
  • Planetary gear 16 surrounds the second planetary gear 14 in the radial direction to the outside or surrounds.
  • Conversion possibility can be easily transferred to the conventional version with the six forward gears, in which case, for example, compared to the sixth embodiment, the electric machine 68 simply eliminates replacement.
  • a local conversion option is conceivable, for example, in which - in particular starting from the first conversion option illustrated in FIG. 6 - in the conventional version with six forward gears, the first planetary gear 12 is arranged in the axial direction after the fourth planetary gear 18, so then in a second, in particular local, conversion possibility, the planetary gear 14 and 16 are stacked and the fourth planetary gear 18 in the axial direction between the first Planetary gear 12 and the stacked planetary gears 14 and 16 is arranged.
  • the output 56 in the axial direction in front of the stacked planetary gears 14 and 16 in a third, in particular local, conversion possibility, so that then the stacked planetary gear 14 and 16 in the axial direction between the fourth planetary gear 18 and the output 56 are arranged.
  • the second conversion option in a fourth, in particular local, conversion option, for example, not the planetary gear 14 and 16, but the
  • the stacked planetary gear 14 and 18 are arranged in the axial direction between the third planetary gear 16 and the first planetary gear 12, wherein the third planetary gear 16 in the axial direction between the output 56 and the stacked planetary gears 14 and 18 is arranged and wherein the stacked planetary gear 14 and 18 and the planetary gear 16 in the axial direction between the output 56 and the
  • Planetary gear 12 are arranged.
  • Planetary gear 18 surrounds the planetary gear 12 in the radial direction to the outside or surrounds. As a result, the axial space requirement can be kept particularly low.
  • Fig. 7 and 8 structural modification possibilities are shown.
  • the braking device 66 in a housing connection 74 and a switching element 76th
  • Formwork element 62 or 70 can be readily transferred to the switching element 76 and vice versa. It is conceivable that the respective
  • Switching element 62, 70 and 76 as a clutch, in particular as
  • the planetary gear 14 connectable, wherein the switching element 76 - as described above with respect to the switching element 62 or 70 - between at least one coupling position and at least one Entkoppelwolf adjustable or switchable.
  • the switching element 76 in the coupling position of the switching element 76, the sun gear 36 via the switching element 76, in particular form-fitting, rotatably connected to the ring gear 30.
  • the Entkoppelwolf of the switching element 76 is the
  • Switching element 76 the rotationally fixed connection between the sun gear 36 and the ring gear 30 free, so then, for example, the ring gear 30 relative to the
  • Sun wheel 36 in particular about the main axis of rotation, can rotate or vice versa.
  • the housing connection 74 and the switching element 76 are provided, wherein the eighth embodiment differs in particular from the seventh embodiment, that in the eighth
  • Embodiment by means of the switching element 76 of the planet carrier 40 of the third planetary gear 16 rotatably connected to the ring gear 46 of the fourth planetary gear 18 is connectable.
  • This conversion of the trained example as a multi-disc brake or as a multi-disc clutch brake device 66 in the housing connection 74 and, for example, as a positive coupling, in particular as a dog clutch, formed switching element 76 may for example be advantageous if the switching element 76 is more clever than the braking device 66 can be integrated.
  • the brake device 64 which is designed, for example, as a multi-disc brake or multi-disc clutch, into a housing connection and a preferably form-locking shifting element. It is then, for example, the
  • Planet gear 34 of the second planetary gear 14 fixed to the housing 11 and rotatably connected to the housing, wherein the ring gear 30 of the planetary gear 14 via the switching element rotatably connected to the sun gears 36 and 44 is connectable.
  • the switching element 70 in particular as a dog clutch, trained switching element 70, which is associated with the fourth embodiment, the fourth planetary gear 18 to lay.
  • the switching element 70 may then, for example, instead of the planet carrier 48, the ring gear 46 rotatably connect with the planetary carrier 40 and the output 56 or connect the sun gear 44 as needed with the sun gear 36 or turn the fourth planetary gear 18 without load, in particular by then the switching element 70 is opened , that is, moved into the Entkoppelwolf.
  • the switching element 70 is associated with the planet carrier 48.
  • a so-called boost operation and a recuperation in all gears can be represented by the use of the electric machine 68. If, for example, the electric machine 68, in particular its rotor, is brought to or regulated to a speed of 0, for example, there are three further fixed gears, since the electric machine 68 functions, for example, as a virtual brake.
  • Integration of the electric machine 68 may be applied to brakes
  • friction brakes or friction elements are dispensed with.
  • the advantages can be realized that at least six gears with a spread of greater than 11 can be represented by the use of four planetary gear 12, 14, 16, 18 and five switching elements, with particularly inexpensive single planetary gear sets can be used , Furthermore, particularly good toothing efficiencies can be realized.
  • redundant gears can be displayed, so that a particularly high switching flexibility can be displayed.
  • the respective brake as
  • the gear unit 10 can also be used particularly advantageously for transverse installation become.
  • the transmission unit 10 has a good possibility of integrating the electric machine 68, whereby possibly friction elements can be omitted.

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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)
  • Structure Of Transmissions (AREA)

Abstract

L'invention concerne une unité de transmission (10), en particulier pour un véhicule à moteur, qui comprend un premier train planétaire (12), un deuxième train planétaire (14), un troisième train planétaire (16) et un quatrième train planétaire (18), lesquels présentent chacun une roue planétaire (20, 28, 36, 44) comme premier élément de transmission, une couronne (22, 30, 38, 46) comme deuxième élément de transmission et un porte-satellites (24, 32, 40, 48) comme troisième élément de transmission, une partie menante (52) reliée solidaire en rotation à un des éléments de transmission (12, 14, 16, 18), par l'intermédiaire de laquelle des couples fournis par une unité d'entraînement différente de l'unité de transmission (10) peuvent être introduits dans l'unité de transmission (10), une partie menée (56) reliée solidaire en rotation avec un des éléments de transmission (12, 14, 16, 18), par l'intermédiaire de laquelle des couples peuvent être fournis par l'unité de transmission (10), la roue planétaire (20) du premier train planétaire (12) étant reliée solidaire en rotation avec la roue planétaire (28) du deuxième train planétaire (14).
PCT/EP2017/001123 2016-12-21 2017-09-21 Unité de transmission, en particulier pour un véhicule à moteur WO2018114021A1 (fr)

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DE102016015267.2A DE102016015267A1 (de) 2016-12-21 2016-12-21 Getriebeeinheit, insbesondere für ein Kraftfahrzeug
DE102016015267.2 2016-12-21

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Publication number Priority date Publication date Assignee Title
DE102008041208A1 (de) 2008-08-13 2010-02-18 Zf Friedrichshafen Ag Mehrstufengetriebe
DE102008055626A1 (de) 2008-11-03 2010-05-06 Daimler Ag Getriebeeinheit
DE102009028685A1 (de) * 2009-08-20 2011-02-24 Zf Friedrichshafen Ag Mehrstufengetriebe
DE102013011553A1 (de) * 2013-06-22 2014-12-24 Daimler Ag Mehrstufengetriebe für ein Kraftfahrzeug
JP2015098888A (ja) 2013-11-18 2015-05-28 マツダ株式会社 自動変速機
JP2015132332A (ja) 2014-01-14 2015-07-23 アイシン・エィ・ダブリュ株式会社 多段変速機

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008041202B4 (de) * 2008-08-13 2018-08-02 Zf Friedrichshafen Ag Mehrstufengetriebe
DE102009028686A1 (de) * 2009-08-20 2011-02-24 Zf Friedrichshafen Ag Mehrstufengetriebe
JP6044519B2 (ja) * 2013-11-18 2016-12-14 マツダ株式会社 自動変速機

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008041208A1 (de) 2008-08-13 2010-02-18 Zf Friedrichshafen Ag Mehrstufengetriebe
DE102008055626A1 (de) 2008-11-03 2010-05-06 Daimler Ag Getriebeeinheit
DE102009028685A1 (de) * 2009-08-20 2011-02-24 Zf Friedrichshafen Ag Mehrstufengetriebe
DE102013011553A1 (de) * 2013-06-22 2014-12-24 Daimler Ag Mehrstufengetriebe für ein Kraftfahrzeug
JP2015098888A (ja) 2013-11-18 2015-05-28 マツダ株式会社 自動変速機
JP2015132332A (ja) 2014-01-14 2015-07-23 アイシン・エィ・ダブリュ株式会社 多段変速機

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