EP3532326A1 - Hybrid drive train for a hybrid-driven motor vehicle - Google Patents

Hybrid drive train for a hybrid-driven motor vehicle

Info

Publication number
EP3532326A1
EP3532326A1 EP17788229.7A EP17788229A EP3532326A1 EP 3532326 A1 EP3532326 A1 EP 3532326A1 EP 17788229 A EP17788229 A EP 17788229A EP 3532326 A1 EP3532326 A1 EP 3532326A1
Authority
EP
European Patent Office
Prior art keywords
shaft
gear
hybrid
electric machine
switching element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP17788229.7A
Other languages
German (de)
French (fr)
Inventor
Steffen Hummel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Audi AG
Original Assignee
Audi AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Audi AG filed Critical Audi AG
Publication of EP3532326A1 publication Critical patent/EP3532326A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54—Transmission for changing ratio
    • B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/22—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of main drive shafting, e.g. cardan shaft
    • B60K17/24—Arrangements of mountings for shafting
    • 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
    • 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
    • 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
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • 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
    • F16H3/089—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 all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
    • 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
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • 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
    • F16H3/091—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 including a single countershaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/04—Combinations of toothed gearings only
    • 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
    • B60K2006/4833—Step up or reduction gearing driving generator, e.g. to operate generator in most efficient speed range
    • B60K2006/4841—Step up or reduction gearing driving generator, e.g. to operate generator in most efficient speed range the gear provides shifting between multiple ratios
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/90—Vehicles comprising electric prime movers
    • B60Y2200/92—Hybrid vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2300/00—Purposes or special features of road vehicle drive control systems
    • B60Y2300/18—Propelling the vehicle
    • B60Y2300/18191—Propulsion control with control means using analogue circuits, relays or mechanical links
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2300/00—Purposes or special features of road vehicle drive control systems
    • B60Y2300/18—Propelling the vehicle
    • B60Y2300/19—Improvement of gear change, e.g. synchronisation or smoothing gear shift
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/42—Clutches or brakes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/70—Gearings
    • B60Y2400/71—Manual or semi-automatic, e.g. automated manual transmissions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/70—Gearings
    • B60Y2400/79—Drive shafts, output shafts or propeller shafts
    • 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
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • 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
    • F16H2003/0822—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 arrangement of at least one reverse gear
    • 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
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • 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
    • F16H2003/0933—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 with coaxial countershafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/04—Combinations of toothed gearings only
    • F16H2037/047—Combinations of toothed gearings only comprising one or more orbital gear sets coaxial with a first shaft and having more than one drive connection to a second shaft parallel to the first 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
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0069—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising ten forward speeds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

Definitions

  • the invention relates to a hybrid drive train for a hybrid-powered motor vehicle according to the preamble of claim 1.
  • Switching elements in different gear ratios switchable transmission, which via an engine shaft with a
  • Electric machine and via an output shaft with at least one vehicle axle is drivingly connected.
  • the internal combustion engine shaft can be connected to a drive shaft via spur gearsets that form wheel-plane gears. This drives in turn via a spur gear on the
  • the wheel planes of the hybrid transmission have a hybrid gear plane that is drivingly connected to the electric machine shaft.
  • the object of the invention is to provide a hybrid powertrain, which has greater degrees of freedom in functionality in a structurally favorable design that is structurally simple in comparison with the prior art.
  • At least one switching element SE-A is arranged, in particular on the electric machine shaft, by means of which the electric machine is driven by the hybrid gear plane E1, E2 can be decoupled or can be connected to it. In this way, the electric machine can be completely decoupled from the drive train with switched internal combustion engine gears. This advantageously reduces the moment of inertia of the activated subtransmission.
  • the hybrid gear plane E1, E2 may be composed of a driven-side gear arranged on the output shaft, a drive-side gear arranged on the engine shaft, and a gear arranged on the electric machine shaft.
  • the arranged on the electric machine shaft gear can be rotatably mounted as a loose gear on the electric machine shaft and be decoupled by means of the switching element SE-A of the electric machine shaft or be coupled with it.
  • the transmission may have two hybrid gear planes E1, E2.
  • the arranged on the electric machine shaft switching element SE-A can be switched on both sides and be arranged in the axial direction between the idler gears of the two hybrid gear planes E1, E2.
  • the switching element SE-A can either couple the idler gear of the first hybrid gear plane E1 with the electric machine shaft in a first shift position or couple the idler gear of the second hybrid gear plane E2 with the electric machine shaft in a second shift position. It is preferred if the electric machine shaft is completely free of rotationally fixed fixed gears of the spur gear sets, which form the wheel planes of the transmission.
  • the transmission is designed as a pure spur gear, in which the engine shaft, the Electric machine shaft and the output shaft exclusively over
  • Spur gear sets are connected with each other driveably. In this way, a simply constructed transmission structure is achieved, which is much more efficient to operate compared to a planetary gear.
  • each of the hybrid gear planes E1, E2 may each have a drive shaft arranged on the output side gear, which is designed as a gear and by means of a switching element SE-B can be coupled to the output shaft.
  • the on the hybrid gear planes E1, E2 may each have a drive shaft arranged on the output side gear, which is designed as a gear and by means of a switching element SE-B can be coupled to the output shaft.
  • Internal combustion engine shaft arranged drive-side gears of the two hybrid gear planes E1, E2 be designed as loose gears. These are preferably arranged together non-rotatably on a drive-side hollow shaft, which is rotatably mounted coaxially on the engine shaft and via exactly one switching element, namely SE-C, with the
  • Internal combustion engine shaft can be coupled.
  • the above-mentioned, arranged on the output shaft switching element SE-B can be made switchable on both sides and in the axial direction between the output side
  • the at least one hybrid wheel plane E1, E2 can be combined together with another wheel plane V3, V4 to form a partial transmission, which can be deactivated in the transmission mode, that is decoupled from the drive train or can be stopped.
  • the above-mentioned further gear plane is in contrast to the hybrid gear plane with respect to the electric machine shaft connection free and has a rotatably mounted on the output shaft driven side gear, which is coupled by means of a switching element SE-D, SE-E with the output shaft. It is preferred if the arranged on the output shaft switching element SE-D, SE-E is switchable on both sides and in the axial direction between the rotatably mounted on the output shaft output side
  • the above-mentioned further gear plane V3, V4 may also have a drive-side idler gear rotatably mounted on the engine shaft. This is by means of a switching element SE-F with the
  • Internal combustion engine shaft can be coupled. It is particularly preferred if the rotatably mounted on the engine shaft drive side
  • Los leopardzier the hybrid gear plane E1, E2 and the other gear plane V3, V4 are rotatably mounted on a common drive-side hollow shaft, which are rotatably mounted coaxially on the engine shaft and can be coupled via exactly one switching element SE-F with the engine shaft.
  • the two hybrid gear planes E1, E2 can each be part of a first and a second subtransmission T1, T2, which can be deactivated in the transmission mode.
  • the switching element SE-F arranged on the engine shaft is switchable on both sides and is arranged in the axial direction between the drive-side hollow shafts of the two partial transmissions T1, T2.
  • the arranged on the electric machine shaft switching element can be implemented arbitrarily, for example, as a power-shift overrunning clutch in combination with a clutch, as a power shift double clutch or from a non-power shift double synchronization.
  • a power-shift overrunning clutch in combination with a clutch
  • a power shift double clutch or from a non-power shift double synchronization.
  • Manual gear can be realized in a simple manner and used especially for the front wheel drive.
  • the rear axle may optionally be mechanically decoupled from the front axle, but can be driven by separate electric machines in order to realize a four-wheel drive.
  • the electric machine may preferably be positioned at the transmission end.
  • FIG. 3 shows a third view in a view corresponding to FIG
  • Figures 4 and 5 are each a modification of Figure 3; and FIG. 6 shows a modification of FIG. 2.
  • Translation stages switchable gear 1 is about a
  • the electric machine 1 1 may have a planetary countershaft 12 shown in the figure 1 for a torque conversion.
  • the transmission 1 is the output side via an output shaft 13 with a
  • the output shaft 13 is a pinion shaft with the bevel gear of a front differential 15 in operative connection.
  • Output shaft 17 arranged axially parallel to each other.
  • the output shaft 17, the electric machine shaft 9 and the output shaft 13 are connected to each other via spur gear sets, which over the Switching elements are switchable.
  • the Stirnzahnrad accounts form mutually parallel gear planes V1 to V4 and E1 and E2, which are all according to the figure 1 in the axial direction between the engine 7 and the electric machine 1 1.
  • gear planes V1 to V4 connected to each other, which are each constructed of meshing loose and fixed gears.
  • the loose gears of the wheel planes V1 to V4 can be coupled via switching elements SE-H and SE-G with the respective supporting shaft 3, 17.
  • the wheel planes V1 to V4 are connection-free with respect to the electric machine shaft 9.
  • two hybrid wheel planes E1, E2 are provided.
  • Each hybrid gear plane E1, E2 has a arranged on the output shaft 17 output-side gear 19, 21, each with a on the
  • Internal combustion engine shaft 3 are rotatably mounted. Between the two drive-side gears 23, 25 of the hybrid wheel planes E1, E2, a switching element SE-C switchable on both sides is arranged, which in a first switching position the first hybrid gear plane E1 with the
  • Internal combustion engine shaft 3 couples or in a second switching position, the second hybrid gear plane E2 coupled to the engine shaft 3. In the same way is also between the electrical machine side Losffy wheels 27, 29 of the hybrid gear planes E1, E2 arranged on both sides switchable switching element SE-A, with which also either the first hybrid gear plane E1 or the second hybrid gear plane E2 with the electric machine shaft 9 coupled.
  • the output shaft 17 drives via a spur gear St to the output shaft 13 from.
  • the two output-side gears 19, 21 of the hybrid gear planes E1, E2 are no longer designed as fixed gears in FIG. 2, but are instead rotatably mounted as idler gears on the output shaft 17.
  • a switching element SE-B is arranged, which is switchable on both sides and either the first or the second hybrid gear plane E1, E2 can couple with the output shaft.
  • the two drive-side gears 19, 21 of the hybrid gear planes E1, E2 are no longer designed as fixed gears in FIG. 2, but are instead rotatably mounted as idler gears on the output shaft 17.
  • a switching element SE-B is arranged, which is switchable on both sides and either the first or the second hybrid gear plane E1, E2 can couple with the output shaft.
  • Gears 23, 25 of the hybrid gear planes E1, E2 arranged rotatably together on a drive-side hollow shaft 31, which is rotatably mounted coaxially on the engine shaft 3.
  • the drive-side hollow shaft 31 is coupled in a component-reduced manner via exactly one switching element SE-C with the engine shaft 3.
  • a total of two partial transmissions T1, T2 are provided, which are completely torque-free switchable in transmission operation, that is, completely decoupled from the drive train, so that the first partial transmission T1 and / or the second partial transmission T2 are complete is shut down.
  • the first hybrid wheel plane E1 and a further, directly axially adjacent wheel plane V4 are summarized.
  • the second hybrid wheel plane E2 and an immediately adjacent further wheel plane V3 are combined with each other.
  • the gear plane V4 has a driven-side idler gear 33 rotatably mounted on the output shaft 17.
  • the output side idler gear 33 of the gear plane V4 and the output side idler gear 19 of the first hybrid gear plane E1 can be alternately coupled to the output shaft 17 via an interposed switchable switching element SE-D.
  • Both the first hybrid gear plane E1 and the gear plane V4 have on the internal combustion engine shaft 3 rotatably mounted drive-side idler gears 23, 35, which are arranged together rotationally fixed on a drive-side first hollow shaft 37. This is rotatably mounted on the engine shaft 3 coaxial and a on
  • the second partial transmission T2 is constructed identical to the first partial transmission T1.
  • the wheel plane V3 has a driven-side idler gear 39 rotatably mounted on the output shaft 17.
  • the output side idler gear 39 of the gear plane V3 and the output side idler gear 21 of the second hybrid gear plane E2 can via a interposed switchable switching element SE-E can be alternately coupled to the output shaft 17.
  • Both the second hybrid wheel plane E2 and the wheel plane V3 point to the
  • Internal combustion engine shaft 3 can be coupled.
  • the common to the two hollow shafts 37, 43 switching element SE-F is switched on both sides and between the two drive-side hollow shafts 37, 43 are arranged.
  • the double clutch has an outer disk carrier 45 which is connected in a rotationally fixed manner to the electric machine shaft 9.
  • the outer disk carrier 45 interacts with two inner disk carriers 47, 49 arranged side by side in the axial direction.
  • the inner disk carrier 49 is rotatably mounted on a hollow shaft 51 together with the electromachine side gear 27 of the first hybrid gear plane E1.
  • the inner disk carrier 47 together with the electric machine side gear 29 of the second hybrid gear plane E2 rotationally fixed on a solid shaft 53 which extends coaxially through the hollow shaft 51.
  • the transmission 1 shown in Figure 3 has a total of 16 gears, four synchronizers and two clutches K1, K2.
  • up to ten internal combustion engine gears can be shifted, that is to say the six internal combustion engine direct gears VM1 explained below to VM6, which use only one wheel plane, and the four twisting gears VM7 to VM10, which use at least two wheel planes:
  • the switching element SE-H is switched to the left or to the right, while the two partial transmissions T1, T2 are shut down.
  • direct gears VM5 and VM6 the partial transmission T2 is activated and the partial transmission T1 is deactivated.
  • direct gear VM5 SE-F is left and SE-E is left.
  • direct gear VM6 SE-F is switched to the left and SE-E to the right.
  • the shifting element SE-F is shifted to the right in the gear VM7, the clutches K1 and K2 are operated, and the shifting element SE-E is shifted to the left.
  • the two clutches K1, K2 operated and SE-E switched to the right.
  • the twisting gear VM9 SE-F are switched to the left, the two clutches K1, K2 operated and SE-D switched to the left.
  • SE-F are shifted to the left, the two clutches K1, K2 are operated, and SE-D is shifted to the right.
  • the clutch K1 is operated in the direct gear EM1 and the switching element SE-D is switched to the left.
  • the clutch K2 is actuated and the switching element SE-E is switched to the left.
  • the clutch K1 is actuated and SE-D is shifted to the right.
  • the clutch K1 is actuated and SE-F is shifted to the right and SE-H is shifted to the left.
  • twisting gear E5 clutch K1 is actuated, SE-F is shifted to the right and SE-H is shifted to the right.
  • the clutch K2 is actuated and SE-E is shifted to the right.
  • the second clutch K2 is actuated, SE-F is shifted to the left and SE-H is shifted to the left.
  • the clutch K2 is actuated, SE-F is switched to the left and SE-H is shifted to the right.
  • the electromachine 1 1 can be stored as long as the vehicle is stationary, for example at a traffic light or in the vehicle Traffic jam. In this case can
  • the switching element SE-F are operated to the right to connect the engine shaft 3 with the first hybrid gear plane E1.
  • the clutch K1 (consisting of the Outer disk carrier 45 and inner disk carrier 49) are closed to connect the first hybrid gear plane E1 to the electric machine shaft 9.
  • a torque flow from the internal combustion engine 7 via the engine shaft 3, the first hybrid wheel plane E1, the closed clutch K1 to the electric machine 11 take place.
  • electromotive gears EM1, EM2, which act as support gears during internal combustion engine switching Such a switching operation is started with an opening of the separating clutch 4 in order to decouple the internal combustion engine 7 from the transmission 1.
  • An engaged electromotive support gear provides during the switching process between the internal combustion engine gear shifting a supporting load path that extends from the electric machine 1 1 to the drive side.
  • the electric machine 1 1 can thus generate a drive torque, which is transmitted via the support load path to the output side.
  • electromotive second gear EM2 acts as a support gear: So is in the transmission 1 3 in the internal combustion engine third gear VM3 the
  • Switching element SE-D switched to its neutral position.
  • acting as a support gear electromotive gear EM2 is inserted, that is, the multi-plate clutch K2 is closed and the switching element SE-E switched to the left, and the electric machine 1 1 started up. This results in a load transfer from the electric machine 1 1 to the output side, in which the electric machine 1 1 generates an arbitrarily adjustable torque.
  • Switching element SE-D is switched from its neutral position to the right.
  • a load path of the internal combustion engine 7 via the switching element SE-F, the gear plane V4, the switching element SE-D and the output shaft 17 is prepared to the output side spur gear St.
  • the clutch 4 is closed again, that is, the internal combustion engine 7 is switched on, and the electric machine 1 1 shut down again, so that the target gear VM4 is switched and again a load transfer from the engine 7 takes place to the output side.
  • each circuit can be supported by means of an electromotive support gear, in contrast to Figure 2, in which a particular switching operation between the
  • Internal combustion engine fourth gear VM4 that is, between the hybrid gear planes E1 and E2, can not be supported by means of an electromotive gear.
  • the transmission 1 shown in Figure 2 can during the above switching operation of the electric machine 1 1 no support load path can be provided, since both the internal combustion engine 7 and the electric machine 1 1 drive off via a common switching element SE-B on the output shaft 17.
  • the two gear wheels 27, 29 of the hybrid gear planes E1, E2 can not be connected to the electric machine shaft 9 via a double clutch (FIG. 3) or via a double synchronization (FIG. 2), but instead by means of an overrunning clutch F and a multi-plate clutch K.
  • the multi-plate clutch K has a
  • External disk carrier 45 which is rotatably connected both to the electric machine shaft 9 and to the hollow shaft 51.
  • Outer plate carrier 45 acts on an inner plate carrier 47. This is rotatably arranged together with the gear 29 of the hybrid plane 1 on the solid shaft 53, which extends coaxially through the hollow shaft 51.
  • the electromotor-side gear 27 of the first hybrid wheel E1 level can be connected via the overrunning clutch F with the hollow shaft 51.
  • the one-way clutch F is associated with a switching element SE-I, which is switchable in two operating positions: In the operating position shown is a Transmission of torque from the electric machine shaft 9 via the outer disk carrier 45 and via the hollow shaft 51 in the direction of the electric machine side gear 27 of the first hybrid gear plane E1 allows and in the opposite direction, the free-wheeling function activated, that is, a torque transmission suppressed.
  • the one-way clutch inner side 58 connected to the hollow shaft 51 rotates faster than the electromotor-side gear wheel 27, the hollow shaft 51 drives the gear wheel 27.
  • the switching element SE-I is switched to the left in FIG. In this case, a torque transmission in both directions is possible.
  • the electromotive gears are power shiftable, while in the figure 1 or 2, the electromotive gears are not power shiftable.
  • the electric machine 1 1 is no longer connected to the transmission 1 on the output side (as in FIGS. 1 to 4), but is connected to the transmission 1 on the drive side.
  • the electric machine 1 1 is no longer connected to the transmission 1 on the output side (as in FIGS. 1 to 4), but is connected to the transmission 1 on the drive side.
  • the drive side In such a drive side
  • the transmission 1 on an additional reverse gear plane R which is designed as a spur gear.
  • the reverse gear plane R is constituted by a drive-side gear 59 disposed on the engine shaft 3, an intermediate gear 61 intermeshing therewith, and a gear 63 rotatably mounted on the output shaft 17 on the output side, meshing with the intermediate gear 61.
  • the basic structure of the in the FIG. 6 shows a largely identical structure to the transmission structure shown in FIG. 2, with the exception of the additional ones
  • Reverse gear plane R which is arranged in the axial direction between the second hybrid gear plane E2 and the planetary gear 12.
  • the switching element SE-C in contrast to Figure 2, in Figure 6 formed on both sides switchable and positioned in the axial direction between the drive-side hollow shaft 31 and the drive-side idler gear 59.

Abstract

The invention relates to a hybrid drive train for a hybrid-driven vehicle, comprising a transmission (1), particularly a manual transmission, which can be shifted into different transmission stages by means of shifting elements and which can be drivingly connected to an internal combustion engine (7) via an internal combustion engine shaft (3), to an electric machine (11) via an electric machine shaft (9), and to at least one vehicle axle (VA) via an output shaft (13). The internal combustion engine shaft (3) and a take-off shaft (17), which is drivingly connected to the output shaft (13), can be connected together via spur gear sets which can be shifted by means of the shifting elements, each spur gear set forming a gear plane (V1 to V4, E1, E2), from which at least one hybrid gear plane (E1, E2) can additionally be connected to the electric machine shaft (9). According to the invention, at least one shifting element (SE-A; K1, K2) is arranged, in particular, on the electric machine shaft (9), by means of which the hybrid gear plane (E1, E2) can be decoupled from or connected to the electric machine (11).

Description

Hybridantriebsstrang für ein hybridgetriebenes Kraftfahrzeug  Hybrid powertrain for a hybrid-powered motor vehicle
Die Erfindung betrifft einen Hybridantriebsstrang für ein hybridgetriebenes Kraftfahrzeug nach dem Oberbegriff des Patentanspruches 1 . The invention relates to a hybrid drive train for a hybrid-powered motor vehicle according to the preamble of claim 1.
Aus der EP 2 792 523 A2 ist ein gattungsgemäßer Hybridantriebsstrang für ein hybridgetriebenes Fahrzeug bekannt. Dieser weist ein mittels From EP 2 792 523 A2 a generic hybrid powertrain for a hybrid-powered vehicle is known. This one has by means
Schaltelemente in unterschiedliche Übersetzungsstufen umschaltbares Getriebe auf, das über eine Brennkraftmaschinen-Welle mit einer Switching elements in different gear ratios switchable transmission, which via an engine shaft with a
Brennkraftmaschine, über eine Elektromaschinen-Welle mit einer Internal combustion engine, via an electric machine shaft with a
Elektromaschine sowie über eine Ausgangswelle mit zumindest einer Fahrzeugachse trieblich verbindbar ist. Die Brennkraftmaschinen-Welle ist über, Radebenen bildende Stirnzahnradsätze mit einer Abtriebswelle verbindbar. Diese treibt wiederum über eine Stirnradstufe auf die Electric machine and via an output shaft with at least one vehicle axle is drivingly connected. The internal combustion engine shaft can be connected to a drive shaft via spur gearsets that form wheel-plane gears. This drives in turn via a spur gear on the
Ausgangswelle ab. Die Radebenen des Hybridgetriebes weisen eine Hybrid- Radebene auf, die trieblich mit der Elektromaschinen-Welle verbunden ist.  Output shaft off. The wheel planes of the hybrid transmission have a hybrid gear plane that is drivingly connected to the electric machine shaft.
Die Aufgabe der Erfindung besteht darin, einen Hybridantriebsstrang bereitzustellen, der in einer im Vergleich zum Stand der Technik baulich einfachen, bauraumgünstigen Konstruktion größere Freiheitsgrade in der Funktionalität aufweist. The object of the invention is to provide a hybrid powertrain, which has greater degrees of freedom in functionality in a structurally favorable design that is structurally simple in comparison with the prior art.
Die Aufgabe ist durch die Merkmale des Patentanspruches 1 gelöst. The object is solved by the features of claim 1.
Bevorzugte Weiterbildungen der Erfindung sind in den Unteransprüchen offenbart. Preferred embodiments of the invention are disclosed in the subclaims.
Gemäß dem kennzeichnenden Teil des Patentanspruches 1 ist insbesondere auf der Elektromaschinen-Welle zumindest ein Schaltelement SE-A angeordnet, mittels dem die Elektromaschine von der Hybrid-Radebene E1 , E2 abkoppelbar ist oder damit verbindbar ist. Auf diese Weise kann bei geschalteten verbrennungsmotorischen Gängen die Elektromaschine vollständig vom Antriebsstrang entkoppelt sein. Dadurch reduziert sich vorteilhaft das Trägheitsmoment des aktivierten Teilgetriebes. According to the characterizing part of claim 1, at least one switching element SE-A is arranged, in particular on the electric machine shaft, by means of which the electric machine is driven by the hybrid gear plane E1, E2 can be decoupled or can be connected to it. In this way, the electric machine can be completely decoupled from the drive train with switched internal combustion engine gears. This advantageously reduces the moment of inertia of the activated subtransmission.
In einer technischen Umsetzung kann die Hybrid-Radebene E1 , E2 aus einem auf der Abtriebswelle angeordneten abtriebsseitigen Zahnrad, einem auf der Brennkraftmaschinen-Welle angeordneten antriebsseitigen Zahnrad und einem auf der Elektromaschinen-Welle angeordneten Zahnrad aufgebaut sein. Das auf der Elektromaschinen-Welle angeordnete Zahnrad kann als ein Loszahnrad auf der Elektromaschinen-Welle drehgelagert sein und mittels des Schaltelements SE-A von der Elektromaschinen-Welle abkoppelbar sein oder damit koppelbar sein. In einer bevorzugten Ausführungsform kann das Getriebe zwei Hybrid- Radebenen E1 , E2 aufweisen. Das auf der Elektromaschinen-Welle angeordnete Schaltelement SE-A kann beidseitig schaltbar sein und in Axialrichtung zwischen den Loszahnrädern der beiden Hybrid-Radebenen E1 , E2 angeordnet sein. Das Schaltelement SE-A kann entweder in einer ersten Schaltstellung das Loszahnrad der ersten Hybrid-Radebene E1 mit der Elektromaschinen-Welle koppeln oder in einer zweiten Schaltstellung das Loszahnrad der zweiten Hybrid-Radebene E2 mit der Elektromaschinen- Welle koppeln. Bevorzugt ist es, wenn die Elektromaschinen-Welle gänzlich frei von darauf drehfest angeordneten Festzahnrädern der Stirnzahnradsätze ist, die die Radebenen des Getriebes bilden. In an industrial implementation, the hybrid gear plane E1, E2 may be composed of a driven-side gear arranged on the output shaft, a drive-side gear arranged on the engine shaft, and a gear arranged on the electric machine shaft. The arranged on the electric machine shaft gear can be rotatably mounted as a loose gear on the electric machine shaft and be decoupled by means of the switching element SE-A of the electric machine shaft or be coupled with it. In a preferred embodiment, the transmission may have two hybrid gear planes E1, E2. The arranged on the electric machine shaft switching element SE-A can be switched on both sides and be arranged in the axial direction between the idler gears of the two hybrid gear planes E1, E2. The switching element SE-A can either couple the idler gear of the first hybrid gear plane E1 with the electric machine shaft in a first shift position or couple the idler gear of the second hybrid gear plane E2 with the electric machine shaft in a second shift position. It is preferred if the electric machine shaft is completely free of rotationally fixed fixed gears of the spur gear sets, which form the wheel planes of the transmission.
Zudem ist es bevorzugt, wenn das Getriebe als ein reines Stirnradgetriebe, ausgelegt ist, bei dem die Brennkraftmaschinen-Welle, die Elektromaschinen-Welle und die Ausgangswelle ausschließlich über In addition, it is preferred that the transmission is designed as a pure spur gear, in which the engine shaft, the Electric machine shaft and the output shaft exclusively over
Stirnzahnradsätze miteinander trieblich verbindbar sind. Auf diese Weise wird eine einfach aufgebaute Getriebestruktur erzielt, die im Vergleich zu einem Planetengetriebe wesentlich effizienter betreibbar ist. Spur gear sets are connected with each other driveably. In this way, a simply constructed transmission structure is achieved, which is much more efficient to operate compared to a planetary gear.
In einer weiteren bevorzugten Ausführungsform können die beiden Hybrid- Radebenen in der Axialrichtung unmittelbar benachbart sein und zusammen zu einem Teilgetriebe zusammengefasst sein, das im Getriebe-Betrieb stillgelegt ist, das heißt vom Antriebsstrang abgekoppelt ist. Zur Realisierung eines solchen Teilgetriebes kann jede der Hybrid-Radebenen E1 , E2 jeweils ein auf der Abtriebswelle angeordnetes abtriebsseitiges Zahnrad aufweisen, das als Loszahnrad ausgeführt ist und mittels eines Schaltelementes SE-B mit der Abtriebswelle koppelbar ist. Zudem können auch die auf der In a further preferred embodiment, the two hybrid gear planes may be immediately adjacent in the axial direction and combined together to form a partial transmission which is shut down in gear operation, that is disconnected from the drive train. To realize such a partial transmission, each of the hybrid gear planes E1, E2 may each have a drive shaft arranged on the output side gear, which is designed as a gear and by means of a switching element SE-B can be coupled to the output shaft. In addition, the on the
Brennkraftmaschinen-Welle angeordneten antriebsseitigen Zahnräder der beiden Hybrid-Radebenen E1 , E2 als Loszahnräder ausgeführt sein. Diese sind bevorzugt gemeinsam drehfest auf einer antriebsseitigen Hohlwelle angeordnet, die koaxial auf der Brennkraftmaschinen-Welle drehgelagert ist und über genau ein Schaltelement, nämlich SE-C, mit der Internal combustion engine shaft arranged drive-side gears of the two hybrid gear planes E1, E2 be designed as loose gears. These are preferably arranged together non-rotatably on a drive-side hollow shaft, which is rotatably mounted coaxially on the engine shaft and via exactly one switching element, namely SE-C, with the
Brennkraftmaschinen-Welle koppelbar ist. Das oben erwähnte, auf der Abtriebswelle angeordnete Schaltelement SE-B kann beidseitig schaltbar ausgeführt sein und in Axialrichtung zwischen den abtriebsseitigen Internal combustion engine shaft can be coupled. The above-mentioned, arranged on the output shaft switching element SE-B can be made switchable on both sides and in the axial direction between the output side
Loszahnrädern der beiden Hybrid-Radebenen E1 , E2 angeordnet sein. Loszahnrädern the two hybrid wheel planes E1, E2 be arranged.
In einer zweiten bevorzugten Ausführungsform kann die zumindest eine Hybrid-Radebene E1 , E2 zusammen mit einer weiteren Radebene V3, V4 zu einem Teilgetriebe zusammengefasst sein, das im Getriebe-Betrieb deaktivierbar ist, das heißt vom Antriebsstrang abkoppelbar oder stilllegbar ist. Die oben erwähnte weitere Radebene ist im Gegensatz zur Hybrid- Radebene gegenüber der Elektromaschinen-Welle anbindungsfrei und weist ein auf der Abtriebswelle drehgelagertes abtriebsseitiges Loszahnrad auf, das mittels eines Schaltelementes SE-D, SE-E mit der Abtriebswelle koppelbar ist. Bevorzugt ist es, wenn das auf der Abtriebswelle angeordnete Schaltelement SE-D, SE-E beidseitig schaltbar ist und in der Axialrichtung zwischen den auf der Abtriebswelle drehgelagerten abtriebsseitigen In a second preferred embodiment, the at least one hybrid wheel plane E1, E2 can be combined together with another wheel plane V3, V4 to form a partial transmission, which can be deactivated in the transmission mode, that is decoupled from the drive train or can be stopped. The above-mentioned further gear plane is in contrast to the hybrid gear plane with respect to the electric machine shaft connection free and has a rotatably mounted on the output shaft driven side gear, which is coupled by means of a switching element SE-D, SE-E with the output shaft. It is preferred if the arranged on the output shaft switching element SE-D, SE-E is switchable on both sides and in the axial direction between the rotatably mounted on the output shaft output side
Loszahnrädern der Hybrid-Radebene E1 , E2 und der weiteren Radebene V3, V4 angeordnet ist. Loszahnrädern the hybrid wheel plane E1, E2 and the other wheel plane V3, V4 is arranged.
Die oben erwähnte weitere Radebene V3, V4 kann zudem ein auf der Brennkraftmaschinen-Welle drehgelagertes antriebsseitiges Loszahnrad aufweisen. Dieses ist mittels eines Schaltelementes SE-F mit der The above-mentioned further gear plane V3, V4 may also have a drive-side idler gear rotatably mounted on the engine shaft. This is by means of a switching element SE-F with the
Brennkraftmaschinen-Welle koppelbar. Besonders bevorzugt ist es, wenn die auf der Brennkraftmaschinen-Welle drehgelagerten antriebsseitigen  Internal combustion engine shaft can be coupled. It is particularly preferred if the rotatably mounted on the engine shaft drive side
Loszahnräder der Hybrid-Radebene E1 , E2 und der weiteren Radebene V3, V4 auf einer gemeinsamen antriebsseitigen Hohlwelle drehfest angeordnet sind, die auf der Brennkraftmaschinen-Welle koaxial drehgelagert sind und über genau ein Schaltelement SE-F mit der Brennkraftmaschinen-Welle koppelbar ist. Loszahnräder the hybrid gear plane E1, E2 and the other gear plane V3, V4 are rotatably mounted on a common drive-side hollow shaft, which are rotatably mounted coaxially on the engine shaft and can be coupled via exactly one switching element SE-F with the engine shaft.
In einer bevorzugten Weiterentwicklung können die beiden Hybrid- Radebenen E1 , E2 jeweils Bestandteil eines ersten und eines zweiten Teilgetriebes T1 , T2 sein, die im Getriebe-Betrieb deaktivierbar sind. In diesem Fall ist es bevorzugt, wenn das auf der Brennkraftmaschinen-Welle angeordnete Schaltelement SE-F beidseitig schaltbar ist und in Axialrichtung zwischen den antriebsseitigen Hohlwellen der beiden Teilgetriebe T1 , T2 angeordnet ist. In a preferred development, the two hybrid gear planes E1, E2 can each be part of a first and a second subtransmission T1, T2, which can be deactivated in the transmission mode. In this case, it is preferable if the switching element SE-F arranged on the engine shaft is switchable on both sides and is arranged in the axial direction between the drive-side hollow shafts of the two partial transmissions T1, T2.
Das auf der Elektromaschinen-Welle angeordnete Schaltelement kann beliebig realisiert sein, zum Beispiel als eine lastschaltbare Freilaufkupplung in Kombination mit einer Kupplung, als eine lastschaltbare Doppelkupplung oder aus einer nicht lastschaltbaren Doppelsynchronisierung. Zudem kann die Elektronnasch ine antriebsseitig oder abtriebsseitig im Getriebe The arranged on the electric machine shaft switching element can be implemented arbitrarily, for example, as a power-shift overrunning clutch in combination with a clutch, as a power shift double clutch or from a non-power shift double synchronization. In addition, can the Elektronnasch ine drive side or output side in the transmission
angebunden sein. Bei einer antriebsseitigen Anbindung kann das auf der Elektromaschinen-Welle angeordnete Zahnrad der Hybrid-Radebene E1 , E2 mit einem auf der Brennkraftmaschinen-Welle drehgelagerten be connected. In a drive-side connection arranged on the electric machine shaft gear of the hybrid gear plane E1, E2 with a rotatably mounted on the engine shaft
antriebsseitigen Loszahnrad kämmen. Bei einer abtriebsseitigen Anbindung kann das auf der Elektromaschinen-Welle angeordnete Zahnrad der Hybrid- Radebene E1 , E2 mit einem auf der Abtriebswelle drehgelagerten Combining drive-side idler gear. In a driven-side connection, arranged on the electric machine shaft gear of the hybrid gear plane E1, E2 rotatably mounted with a on the output shaft
abtriebsseitigen Loszahnrad kämmen. Das obige Hybridkonzept kann aufbauend auf einem herkömmlichen Combining output side idler gear. The above hybrid concept can be based on a conventional
Handschaltgetriebe in einfacher Weise realisiert werden und speziell für den Frontantrieb genutzt werden. Die Hinterachse kann gegebenenfalls mechanisch entkoppelt von der Vorderachse sein, jedoch über separate Elektromaschinen antreibbar ist, um einen Vierradantrieb zu realisieren. Im obigen Hybridkonzept kann die Elektromaschine bevorzugt am Getriebeende positioniert sein.  Manual gear can be realized in a simple manner and used especially for the front wheel drive. The rear axle may optionally be mechanically decoupled from the front axle, but can be driven by separate electric machines in order to realize a four-wheel drive. In the above hybrid concept, the electric machine may preferably be positioned at the transmission end.
Die vorstehend erläuterten und/oder in den Unteransprüchen The above-explained and / or in the subclaims
wiedergegebenen vorteilhaften Aus- und/oder Weiterbildungen der Erfindung können - außer zum Beispiel in den Fällen eindeutiger Abhängigkeiten oder unvereinbarer Alternativen - einzeln oder aber auch in beliebiger reproduced advantageous embodiments and / or developments of the invention may - except, for example, in the case of clear dependencies or incompatible alternatives - individually or in any
Kombination miteinander zur Anwendung kommen. Combination with each other are used.
Die Erfindung und ihre vorteilhaften Aus- und Weiterbildungen sowie deren Vorteile werden nachfolgend anhand von Zeichnungen näher erläutert. The invention and its advantageous embodiments and further developments and advantages thereof are explained in more detail below with reference to drawings.
Es zeigen: Show it:
Figur 1 eine Getriebestruktur eines als Stirnrad-Handschaltgetriebe 1 shows a transmission structure of a spur gear manual transmission
ausgeführten Hybridgetriebes; Figur 2 in einer Ansicht entsprechend der Figur 1 ein zweites executed hybrid transmission; Figure 2 in a view corresponding to Figure 1, a second
Ausführungsbeispiel des Hybridgetriebes; und Figur 3 in einer Ansicht entsprechend der Figur 1 ein drittes  Embodiment of the hybrid transmission; and FIG. 3 shows a third view in a view corresponding to FIG
Ausführungsbeispiel des Hybridgetriebes;  Embodiment of the hybrid transmission;
Figuren 4 und 5 jeweils eine Abwandlung der Figur 3; und Figur 6 eine Abwandlung der Figur 2. Figures 4 and 5 are each a modification of Figure 3; and FIG. 6 shows a modification of FIG. 2.
In der Figur 1 ist ein Handschaltgetriebe 1 gezeigt, das Bestandteil eines Hybridantriebsstranges eines nicht dargestellten hybridgetriebenen 1 shows a manual transmission 1 is shown, which is part of a hybrid drive train of a hybrid-driven, not shown
Kraftfahrzeugs ist. Das mittels Schaltelemente in unterschiedliche Motor vehicle is. The means of switching elements in different
Übersetzungsstufen umschaltbare Getriebe 1 ist über eine Translation stages switchable gear 1 is about a
Brennkraftmaschinen-Welle 3 mit zwischengeschalteter Trennkupplung 4 und Torsionsdämpfer 5 mit einer Brennkraftmaschine 7 verbunden sowie über eine Elektromaschinen-Welle 9 mit einer Elektromaschine 1 1 verbunden. Die Elektromaschine 1 1 kann für eine Drehmomentwandlung ein in der Figur 1 dargestelltes Planeten-Vorgelege 12 aufweisen. Zudem ist das Getriebe 1 ausgangsseitig über eine Ausgangswelle 13 mit einer  Internal combustion engine shaft 3 with interposed separating clutch 4 and torsional damper 5 connected to an internal combustion engine 7 and connected via an electric machine shaft 9 with an electric machine 1 1. Der Elektromaschinen-Welle 9 ist mit einem Elektromaschinen-Welle 1 verbunden. The electric machine 1 1 may have a planetary countershaft 12 shown in the figure 1 for a torque conversion. In addition, the transmission 1 is the output side via an output shaft 13 with a
Vorderachse VA des Kraftfahrzeugs trieblich verbunden. Die Ausgangswelle 13 steht als Ritzelwelle mit dem Kegeltrieb eines Vorderachsdifferenzials 15 in Wirkverbindung. Front axle VA of the motor vehicle drivingly connected. The output shaft 13 is a pinion shaft with the bevel gear of a front differential 15 in operative connection.
Wie aus der Figur 1 weiter hervorgeht, sind die Brennkraftmaschinen-Welle 3, die Elektromaschinen-Welle 9 sowie eine zwischengeordnete As is further apparent from the figure 1, the engine shaft 3, the electric machine shaft 9 and an intermediate
Abtriebswelle 17 zueinander achsparallel angeordnet. Die Abtriebswelle 17, die Elektromaschinen-Welle 9 sowie die Ausgangswelle 13 sind über Stirnzahnradsätze miteinander trieblich verbindbar, die über die Schaltelemente schaltbar sind. Die Stirnzahnradsätze bilden zueinander parallel angeordnete Radebenen V1 bis V4 und E1 sowie E2, die sich gemäß der Figur 1 in der Axialrichtung allesamt zwischen der Brennkraftmaschine 7 und der Elektromaschine 1 1 befinden. Output shaft 17 arranged axially parallel to each other. The output shaft 17, the electric machine shaft 9 and the output shaft 13 are connected to each other via spur gear sets, which over the Switching elements are switchable. The Stirnzahnradsätze form mutually parallel gear planes V1 to V4 and E1 and E2, which are all according to the figure 1 in the axial direction between the engine 7 and the electric machine 1 1.
Nachfolgend ist die in der Figur 1 gezeigte Getriebestruktur des The following is the transmission structure shown in FIG
Hybridgetriebes 1 beschrieben: So sind in der Figur 1 die Hybrid transmission 1 described: So in Figure 1 are the
Brennkraftmaschinen-Welle 3 und die Abtriebswelle 17 über Radebenen V1 bis V4 miteinander verbunden, die jeweils aus miteinander kämmenden Los- und Festzahnrädern aufgebaut sind. Die Loszahnräder der Radebenen V1 bis V4 sind über Schaltelemente SE-H und SE-G mit der jeweils tragenden Welle 3, 17 koppelbar. Die Radebenen V1 bis V4 sind anbindungsfrei gegenüber der Elektromaschinen-Welle 9. Zudem sind zwei Hybrid-Radebenen E1 , E2 vorgesehen. Jede Hybrid- Radebene E1 , E2 weist ein auf der Abtriebswelle 17 angeordnetes abtriebsseitiges Zahnrad 19, 21 auf, das jeweils mit einem auf der Internal combustion engine shaft 3 and the output shaft 17 via gear planes V1 to V4 connected to each other, which are each constructed of meshing loose and fixed gears. The loose gears of the wheel planes V1 to V4 can be coupled via switching elements SE-H and SE-G with the respective supporting shaft 3, 17. The wheel planes V1 to V4 are connection-free with respect to the electric machine shaft 9. In addition, two hybrid wheel planes E1, E2 are provided. Each hybrid gear plane E1, E2 has a arranged on the output shaft 17 output-side gear 19, 21, each with a on the
Brennkraftmaschinen-Welle 3 angeordneten antriebsseitigen Zahnrad 23, 25 und mit jeweils einem koaxial zur Elektromaschinen-Welle 9 angeordneten (elektromaschinenseitigen) Loszahnrad 27, 29 kämmt. Die abtriebsseitigen Zahnräder 19, 21 der Hybrid-Radebenen E1 , E2 sind in der Figur 1 als Festzahnräder auf der Abtriebswelle 17 angeordnet, während deren antriebsseitige Zahnräder 23, 25 als Loszahnräder auf der Internal combustion engine shaft 3 arranged drive-side gear 23, 25 and each with a coaxial with the electric machine shaft 9 arranged (electrical machine side) idler gear 27, 29 meshes. The output side gears 19, 21 of the hybrid gear planes E1, E2 are arranged in the figure 1 as a fixed gears on the output shaft 17, while the drive-side gears 23, 25 as idler gears on the
Brennkraftmaschinen-Welle 3 drehgelagert sind. Zwischen den beiden antriebsseitigen Zahnrädern 23, 25 der Hybrid-Radebenen E1 , E2 ist ein beidseitig schaltbares Schaltelement SE-C angeordnet, das entweder in einer ersten Schaltstellung die erste Hybrid-Radebene E1 mit der Internal combustion engine shaft 3 are rotatably mounted. Between the two drive-side gears 23, 25 of the hybrid wheel planes E1, E2, a switching element SE-C switchable on both sides is arranged, which in a first switching position the first hybrid gear plane E1 with the
Brennkraftmaschinen-Welle 3 koppelt oder in einer zweiten Schaltstellung die zweite Hybrid-Radebene E2 mit der Brennkraftmaschinen-Welle 3 koppelt. In gleicher Weise ist auch zwischen den elektromaschinenseitigen Loszahn rädern 27, 29 der Hybrid-Radebenen E1 , E2 ein beidseitig schaltbares Schaltelement SE-A angeordnet, mit dem ebenfalls entweder die erste Hybrid-Radebene E1 oder die zweite Hybrid-Radebene E2 mit der Elektromaschinen-Welle 9 koppelbar. Die Abtriebswelle 17 treibt über eine Stirnradstufe St auf die Ausgangswelle 13 ab. Internal combustion engine shaft 3 couples or in a second switching position, the second hybrid gear plane E2 coupled to the engine shaft 3. In the same way is also between the electrical machine side Loszahn wheels 27, 29 of the hybrid gear planes E1, E2 arranged on both sides switchable switching element SE-A, with which also either the first hybrid gear plane E1 or the second hybrid gear plane E2 with the electric machine shaft 9 coupled. The output shaft 17 drives via a spur gear St to the output shaft 13 from.
In der in der Figur 1 gezeigten Neutralstellung des Schaltelements SE-A ist die Elektromaschinen-Welle 9 vom Antriebsstrang abgekoppelt. Auf diese Weise ist die Elektromaschinen-Welle 9 im Getriebe-Betrieb stillgelegt, d.h. dekativiert. Dadurch reduziert sich vorteilhaft das Trägheitsmoment des verbleibenden aktivierten Getriebes. Die Zahnräder der Hybrid-Radebenen E1 , E2 bleiben jedoch aktiviert, d.h. diese werden trotz stillgelegter In the neutral position of the switching element SE-A shown in FIG. 1, the electric machine shaft 9 is decoupled from the drive train. In this way, the electric machine shaft 9 is shut down in the transmission mode, i. disallowed. This advantageously reduces the moment of inertia of the remaining activated transmission. However, the gears of the hybrid gear planes E1, E2 remain activated, i. these are despite disused
Elektromaschine 1 1 im Getriebe-Betrieb mitgedreht. Im Unterschied dazu sind in der Figur 2 die beiden Hybrid-Radebenen E1 , E2 zu einem gemeinsamen Teilgetriebe T zusammengefasst, das im Electric machine 1 1 rotated in gear operation. In contrast, in FIG. 2, the two hybrid gear planes E1, E2 are combined to form a common subtransmission T, which in the FIG
Getriebe-Betrieb komplett momentenfrei schaltbar ist, das heißt vom Transmission operation is completely torque-free switchable, that is from the
Antriebsstrang komplett abkoppelbar ist, so dass das Teilgetriebe T vollständig stillgelegt ist. Zur Realisierung des Teilgetriebes T sind in der Figur 2 die beiden abtriebsseitigen Zahnräder 19, 21 der Hybrid-Radebenen E1 , E2 nicht mehr als Festzahnräder ausgebildet, sondern vielmehr als Loszahnräder auf der Abtriebswelle 17 drehgelagert. Zwischen den beiden abtriebsseitigen Zahnrädern 19, 21 der Hybrid-Radebenen E1 und E2 ist ein Schaltelement SE-B angeordnet, das beidseitig schaltbar ist und entweder die erste oder die zweite Hybrid-Radebene E1 , E2 mit der Abtriebswelle koppeln kann. Zudem sind in der Figur 2 die beiden antriebsseitigen Drive train is completely decoupled, so that the partial transmission T is completely shut down. For the realization of the partial transmission T, the two output-side gears 19, 21 of the hybrid gear planes E1, E2 are no longer designed as fixed gears in FIG. 2, but are instead rotatably mounted as idler gears on the output shaft 17. Between the two output-side gears 19, 21 of the hybrid gear planes E1 and E2, a switching element SE-B is arranged, which is switchable on both sides and either the first or the second hybrid gear plane E1, E2 can couple with the output shaft. In addition, in Figure 2, the two drive-side
Zahnräder 23, 25 der Hybrid-Radebenen E1 , E2 gemeinsam auf einer antriebsseitigen Hohlwelle 31 drehfest angeordnet, die koaxial auf der Brennkraftmaschinen-Welle 3 drehgelagert ist. Die antriebsseitige Hohlwelle 31 ist in bauteilreduzierter Weise über genau ein Schaltelement SE-C mit der Brennkraftmaschinen-Welle 3 koppelbar. Gears 23, 25 of the hybrid gear planes E1, E2 arranged rotatably together on a drive-side hollow shaft 31, which is rotatably mounted coaxially on the engine shaft 3. The drive-side hollow shaft 31 is coupled in a component-reduced manner via exactly one switching element SE-C with the engine shaft 3.
In der Figur 3 sind im Unterschied zur Figur 2 insgesamt zwei Teilgetriebe T1 , T2 bereitgestellt, die im Getriebe-Betrieb komplett momentenfrei schaltbar sind, das heißt vom Antriebsstrang komplett abkoppelbar sind, so dass das erste Teilgetriebe T1 und/oder das zweite Teilgetriebe T2 vollständig stillgelegt ist. Im ersten Teilgetriebe T1 sind die erste Hybrid- Radebene E1 und eine weitere, unmittelbar axial benachbarte Radebene V4 zusammengefasst. Im zweiten Teilgetriebe T2 sind die zweite Hybrid- Radebene E2 sowie eine unmittelbar benachbarte weitere Radebene V3 miteinander zusammengefasst. In FIG. 3, in contrast to FIG. 2, a total of two partial transmissions T1, T2 are provided, which are completely torque-free switchable in transmission operation, that is, completely decoupled from the drive train, so that the first partial transmission T1 and / or the second partial transmission T2 are complete is shut down. In the first partial transmission T1, the first hybrid wheel plane E1 and a further, directly axially adjacent wheel plane V4 are summarized. In the second partial transmission T2, the second hybrid wheel plane E2 and an immediately adjacent further wheel plane V3 are combined with each other.
Im ersten Teilgetriebe T1 weist die Radebene V4 ein auf der Abtriebswelle 17 drehgelagertes abtriebsseitiges Loszahnrad 33 auf. Das abtriebsseitige Loszahnrad 33 der Radebene V4 und das abtriebsseitige Loszahnrad 19 der ersten Hybrid-Radebene E1 können über ein dazwischen angeordnetes beidseitig schaltbares Schaltelement SE-D alternierend mit der Abtriebswelle 17 gekoppelt werden. Sowohl die erste Hybrid-Radebene E1 als auch die Radebene V4 weisen auf der Brennkraftmaschinen-Welle 3 drehgelagerte antriebsseitige Loszahnräder 23, 35 auf, die gemeinsam drehfest auf einer antriebsseitigen ersten Hohlwelle 37 angeordnet sind. Diese ist auf der Brennkraftmaschinen-Welle 3 koaxial drehgelagert und über ein In the first partial transmission T1, the gear plane V4 has a driven-side idler gear 33 rotatably mounted on the output shaft 17. The output side idler gear 33 of the gear plane V4 and the output side idler gear 19 of the first hybrid gear plane E1 can be alternately coupled to the output shaft 17 via an interposed switchable switching element SE-D. Both the first hybrid gear plane E1 and the gear plane V4 have on the internal combustion engine shaft 3 rotatably mounted drive-side idler gears 23, 35, which are arranged together rotationally fixed on a drive-side first hollow shaft 37. This is rotatably mounted on the engine shaft 3 coaxial and a on
Schaltelement SE-F mit der Brennkraftmaschinen-Welle 3 koppelbar. Switching element SE-F with the engine shaft 3 coupled.
Das zweite Teilgetriebe T2 ist baugleich wie das erste Teilgetriebe T1 aufgebaut. Im zweiten Teilgetriebe T2 weist die Radebene V3 ein auf der Abtriebswelle 17 drehgelagertes abtriebsseitiges Loszahnrad 39 auf. Das abtriebsseitige Loszahnrad 39 der Radebene V3 und das abtriebsseitige Loszahnrad 21 der zweiten Hybrid-Radebene E2 können über ein dazwischen angeordnetes beidseitig schaltbares Schaltelement SE-E alternierend mit der Abtriebswelle 17 gekoppelt werden. Sowohl die zweite Hybrid-Radebene E2 als auch die Radebene V3 weisen auf der The second partial transmission T2 is constructed identical to the first partial transmission T1. In the second partial transmission T2, the wheel plane V3 has a driven-side idler gear 39 rotatably mounted on the output shaft 17. The output side idler gear 39 of the gear plane V3 and the output side idler gear 21 of the second hybrid gear plane E2 can via a interposed switchable switching element SE-E can be alternately coupled to the output shaft 17. Both the second hybrid wheel plane E2 and the wheel plane V3 point to the
Brennkraftmaschinen-Welle 3 drehgelagerte antriebsseitige Loszahnräder 25, 41 auf, die gemeinsam drehfest auf einer antriebsseitigen zweiten Hohlwelle 43 angeordnet sind, die auf der Brennkraftmaschinen-Welle 3 koaxial drehgelagert ist und über das Schaltelement SE-F mit der Internal combustion engine shaft 3 rotatably mounted on the drive side idler gears 25, 41 which are rotatably together on a drive side second hollow shaft 43 which is rotatably mounted coaxially on the engine shaft 3 and via the switching element SE-F with the
Brennkraftmaschinen-Welle 3 koppelbar ist. Das für die beiden Hohlwellen 37, 43 gemeinsame Schaltelement SE-F ist beidseitig schaltbar und zwischen den beiden antriebsseitigen Hohlwellen 37, 43 angeordnet. Internal combustion engine shaft 3 can be coupled. The common to the two hollow shafts 37, 43 switching element SE-F is switched on both sides and between the two drive-side hollow shafts 37, 43 are arranged.
Wie aus der Figur 3 weiter hervorgeht, werden die beiden As is apparent from the figure 3, the two
elektromaschinenseitigen Zahnräder 27, 29 der Hybrid-Radebenen E1 , E2 über eine Doppelkupplung geschaltet, die aus einer ersten Kupplung K1 und einer zweiten Kupplung K2 aufgebaut ist. Die Doppelkupplung weist einen Außenlamellenträger 45 auf, der drehfest an der Elektromaschinen-Welle 9 angebunden ist. Der Außenlamellenträger 45 wirkt mit zwei in Axialrichtung nebeneinander angeordneten Innenlamellenträger 47, 49 zusammen. Der Innenlamellenträger 49 ist zusammen mit dem elektromaschinenseitigen Zahnrad 27 der ersten Hybrid-Radebene E1 drehfest auf einer Hohlwelle 51 angeordnet. Demgegenüber ist der Innenlamellenträger 47 zusammen mit dem elektromaschinenseitigen Zahnrad 29 der zweiten Hybrid-Radebene E2 drehfest auf einer Vollwelle 53 angeordnet, die sich koaxial durch die Hohlwelle 51 erstreckt. switched on the engine side gears 27, 29 of the hybrid gear planes E1, E2 via a dual clutch, which is composed of a first clutch K1 and a second clutch K2. The double clutch has an outer disk carrier 45 which is connected in a rotationally fixed manner to the electric machine shaft 9. The outer disk carrier 45 interacts with two inner disk carriers 47, 49 arranged side by side in the axial direction. The inner disk carrier 49 is rotatably mounted on a hollow shaft 51 together with the electromachine side gear 27 of the first hybrid gear plane E1. In contrast, the inner disk carrier 47 together with the electric machine side gear 29 of the second hybrid gear plane E2 rotationally fixed on a solid shaft 53 which extends coaxially through the hollow shaft 51.
Das in der Figur 3 gezeigte Getriebe 1 weist insgesamt 16 Zahnräder, vier Synchronisierungen sowie zwei Kupplungen K1 , K2 auf. In dem Getriebe 1 sind bis zu zehn verbrennungsmotorische Gänge schaltbar, das heißt die nachfolgend erläuterten sechs verbrennungsmotorischen Direkt-Gänge VM1 bis VM6, die lediglich eine Radebene nutzen, sowie die vier Verwindungs- Gänge VM7 bis VM10, die zumindest zwei Radebenen nutzen: The transmission 1 shown in Figure 3 has a total of 16 gears, four synchronizers and two clutches K1, K2. In the transmission 1, up to ten internal combustion engine gears can be shifted, that is to say the six internal combustion engine direct gears VM1 explained below to VM6, which use only one wheel plane, and the four twisting gears VM7 to VM10, which use at least two wheel planes:
In den Direkt-Gängen VM1 und VM2 ist das Schaltelement SE-H nach links bzw. nach rechts geschaltet, während die beiden Teilgetriebe T1 , T2 stillgelegt sind. In the direct gears VM1 and VM2, the switching element SE-H is switched to the left or to the right, while the two partial transmissions T1, T2 are shut down.
Im Direkt-Gang VM3 ist SE-F nach rechts und SE-D nach links geschaltet. Das heißt, dass das Teilgetriebe T1 aktiviert ist und das Teilgetriebe T2 deaktiviert ist. Gleiches trifft auch für den Direkt-Gang VM4 zu, bei dem SE-F nach rechts und SE-D ebenfalls nach rechts geschaltet sind. In the direct gear VM3 SE-F is shifted to the right and SE-D to the left. This means that the partial transmission T1 is activated and the partial transmission T2 is deactivated. The same applies to the direct gear VM4, in which SE-F to the right and SE-D are also switched to the right.
In den folgenden Direkt-Gängen VM5 und VM6 ist das Teilgetriebe T2 aktiviert und das Teilgetriebe T1 deaktiviert. Beim Direkt-Gang VM5 ist SE-F nach links und SE-E nach links geschaltet. Beim Direkt-Gang VM6 ist SE-F nach links und SE-E nach rechts geschaltet. In the following direct gears VM5 and VM6, the partial transmission T2 is activated and the partial transmission T1 is deactivated. In direct gear VM5 SE-F is left and SE-E is left. In direct gear VM6 SE-F is switched to the left and SE-E to the right.
Von den folgenden vier verbrennungsmotorischen Verwindungs-Gängen VM7 bis VM10 ist im Gang VM7 das Schaltelement SE-F nach rechts geschaltet, die Kupplungen K1 und K2 betätigt und das Schaltelement SE-E nach links geschaltet. Beim Verwindungs-Gang VM8 sind SE-F nach rechts geschaltet, die beiden Kupplungen K1 , K2 betätigt und SE-E nach rechts geschaltet. Im Verwindungs-Gang VM9 sind SE-F nach links geschaltet, die beiden Kupplungen K1 , K2 betätigt und SE-D nach links geschaltet. Im Verwindungs-Gang VM10 sind SE-F nach links geschaltet, die beiden Kupplungen K1 , K2 betätigt und SE-D nach rechts geschaltet. Of the following four internal combustion-twisting gears VM7 to VM10, the shifting element SE-F is shifted to the right in the gear VM7, the clutches K1 and K2 are operated, and the shifting element SE-E is shifted to the left. When twisting gear VM8 SE-F are switched to the right, the two clutches K1, K2 operated and SE-E switched to the right. In the twisting gear VM9 SE-F are switched to the left, the two clutches K1, K2 operated and SE-D switched to the left. In the twisting gear VM10, SE-F are shifted to the left, the two clutches K1, K2 are operated, and SE-D is shifted to the right.
Im rein elektromotorischen Betrieb des in der Figur 3 gezeigten Getriebes 1 können bis zu 8 elektromotorische Gänge geschaltet werden, das heißt die folgenden zwei Direkt-Gänge EM1 , EM2 und die sechs Verwindungs-Gänge EM3 bis EM8: In the purely electromotive operation of the transmission 1 shown in Figure 3, up to 8 electromotive gears can be switched, that is the following two direct gears EM1, EM2 and the six twisting gears EM3 to EM8:
So ist im Direkt-Gang EM1 die Kupplung K1 betätigt und das Schaltelement SE-D nach links geschaltet. Im Direkt-Gang EM2 ist die Kupplung K2 betätigt und das Schaltelement SE-E nach links geschaltet. Im elektromotorischen Verwindungs-Gang EM3 ist die Kupplung K1 betätigt und SE-D nach rechts geschaltet. Im Verwindungs-Gang EM4 ist die Kupplung K1 betätigt und SE- F nach rechts geschaltet sowie SE-H nach links geschaltet. Im Verwindungs- Gang E5 ist die Kupplung K1 betätigt, SE-F nach rechts geschaltet sowie SE-H nach rechts geschaltet. Im Verwindungs-Gang EM6 ist die Kupplung K2 betätigt sowie SE-E nach rechts geschaltet. Im Verwindungs-Gang EM7 ist die zweite Kupplung K2 betätigt, SE-F nach links geschaltet sowie SE-H nach links geschaltet. Im Verwindungs-Gang EM8 ist die Kupplung K2 betätigt, SE-F nach links geschaltet sowie SE-H nach rechts geschaltet. Thus, the clutch K1 is operated in the direct gear EM1 and the switching element SE-D is switched to the left. In the direct gear EM2, the clutch K2 is actuated and the switching element SE-E is switched to the left. In the electromotive twisting gear EM3, the clutch K1 is actuated and SE-D is shifted to the right. In the twisting gear EM4, the clutch K1 is actuated and SE-F is shifted to the right and SE-H is shifted to the left. In twisting gear E5, clutch K1 is actuated, SE-F is shifted to the right and SE-H is shifted to the right. In the torsion gear EM6, the clutch K2 is actuated and SE-E is shifted to the right. In the twisting gear EM7, the second clutch K2 is actuated, SE-F is shifted to the left and SE-H is shifted to the left. In the torsion gear EM8, the clutch K2 is actuated, SE-F is switched to the left and SE-H is shifted to the right.
Aus den obigen verbrennungsmotorischen Gängen VM1 bis VM10 und den elektromotorischen Gängen EM1 bis EM8 können in Kombination bis zu 28 hybridische Gänge realisiert werden, in denen elektromotorische und verbrennungsmotorische Gänge in Kombination geschaltet sind. From the above internal combustion engine gears VM1 to VM10 and the electromotive gears EM1 to EM8, up to 28 hybrid gears in which electromotive and internal combustion engine gears are combined in combination can be realized in combination.
Nachfolgend sind spezielle Fahrbetriebsarten hervorgehoben, die mittels des in der Figur 3 gezeigten Getriebes realisierbar sind: So ist mit der in der Figur 3 gezeigten Getriebestruktur ein Standladen der Elektromaschine 1 1 ermöglicht, sofern das Fahrzeug im Fahrzeugstillstand ist, zum Beispiel an einer Ampel oder im Stau. In diesem Fall kann Special driving modes are emphasized below, which can be realized by means of the transmission shown in FIG. 3: Thus, with the transmission structure shown in FIG. 3, the electromachine 1 1 can be stored as long as the vehicle is stationary, for example at a traffic light or in the vehicle Traffic jam. In this case can
beispielhaft das Schaltelement SE-F nach rechts betätigt werden, um die Brennkraftmaschinen-Welle 3 mit der ersten Hybrid-Radebene E1 zu verbinden. Zugleich wird die Kupplung K1 (bestehend aus dem Außenlamellenträger 45 und dem Innenlamellenträger 49) geschlossen, um die erste Hybrid-Radebene E1 mit der Elektromaschinen-Welle 9 zu verbinden. Dadurch kann ein Momentenfluss von der Brennkraftmaschine 7 über die Brennkraftmaschinen-Welle 3, die erste Hybrid-Radebene E1 , die geschlossene Kupplung K1 bis zur Elektromaschine 1 1 erfolgen. For example, the switching element SE-F are operated to the right to connect the engine shaft 3 with the first hybrid gear plane E1. At the same time, the clutch K1 (consisting of the Outer disk carrier 45 and inner disk carrier 49) are closed to connect the first hybrid gear plane E1 to the electric machine shaft 9. As a result, a torque flow from the internal combustion engine 7 via the engine shaft 3, the first hybrid wheel plane E1, the closed clutch K1 to the electric machine 11 take place.
Zudem ist mit Hilfe der Elektromaschine 1 1 ein Brennkraftmaschinen-Start durchführbar. Die Elektromaschine 1 1 kann die Brenn kraftmasch ine 7 über einen Lastpfad starten, bei dem beispielhaft die zweite Kupplung K2 In addition, with the aid of the electric machine 1 1 an engine start-up feasible. The electric machine 1 1, the internal combustion engine ine 7 start via a load path, in the example, the second clutch K2
(bestehend aus dem Außenlamellenträger 45 und dem Innenlamellenträger 47) geschlossen ist und das Schaltelement SE-F nach links betätigt ist. (consisting of the outer disk carrier 45 and the inner disk carrier 47) is closed and the switching element SE-F is actuated to the left.
Ferner kann in der Figur 3 ein Schaltvorgang zwischen den Furthermore, in the figure 3, a switching operation between the
verbrennungsmotorischen Gängen 1 bis 6 mit Hilfe der Elektromaschine 1 1 zugkraftunterbrechungsfrei erfolgen, und zwar z.B. mit Hilfe der internal combustion engine gears 1 to 6 with the aid of the electric machine 1 1 traction interruption-free, namely. with the help of
elektromotorischen Gänge EM1 , EM2, die beim verbrennungsmotorischen Schalten als Stützgänge wirken. Ein solcher Schaltvorgang wird mit einem Öffnen der Trennkupplung 4 gestartet, um die Brennkraftmaschine 7 vom Getriebe 1 zu entkoppeln. Ein eingelegter elektromotorischer Stützgang stellt während des zwischen den verbrennungsmotorischen Gängen erfolgenden Schaltvorgangs einen Stützlastpfad bereit, der von der Elektromaschine 1 1 zur Antriebsseite verläuft. Während des Schaltvorgangs (das heißt die Brennkraftmaschine 7 ist mittels der Trennkupplung 4 vom Antriebsstrang abgekoppelt) kann somit die Elektromaschine 1 1 ein Antriebsmoment erzeugen, das über den Stütz-Lastpfad zur Abtriebsseite übertragen wird. electromotive gears EM1, EM2, which act as support gears during internal combustion engine switching. Such a switching operation is started with an opening of the separating clutch 4 in order to decouple the internal combustion engine 7 from the transmission 1. An engaged electromotive support gear provides during the switching process between the internal combustion engine gear shifting a supporting load path that extends from the electric machine 1 1 to the drive side. During the switching process (that is, the internal combustion engine 7 is decoupled from the drive train by means of the disconnect clutch 4), the electric machine 1 1 can thus generate a drive torque, which is transmitted via the support load path to the output side.
Der obige Sachverhalt ist nachfolgend anhand eines The above facts are described below with reference to a
Zugkraftunterbrechungsfreien Schaltvorgangs zwischen dem dritten und vierten verbrennungsmotorischen Gang erläutert, bei dem der Traction interruption-free switching operation between the third and fourth internal combustion engine gear explained, in which the
elektromotorische zweite Gang EM2 als Stützgang wirkt: So ist im Getriebe 1 der Figur 3 im verbrennungsmotorischen dritten Gang VM3 das electromotive second gear EM2 acts as a support gear: So is in the transmission 1 3 in the internal combustion engine third gear VM3 the
Schaltelement SE-F nach rechts und das Schaltelement SE-D nach links geschaltet. Dadurch verläuft ein Lastpfad von der Brennkraftmaschine 7, dem Teilgetriebe T1 , der Abtriebswelle 17 bis zum abtriebsseitigen Switching element SE-F to the right and the switching element SE-D to the left. As a result, a load path extends from the internal combustion engine 7, the partial transmission T1, the output shaft 17 to the output side
Stirnradtrieb St, während das Teilgetriebe T2 deaktiviert (stillgelegt) ist. Zu Beginn des Schaltvorgangs wird die Trennkupplung 4 gelöst und das Spur gear St, while the partial transmission T2 is deactivated (shut down). At the beginning of the switching operation, the separating clutch 4 is released and the
Schaltelement SE-D in seine Neutralstellung geschaltet. Zudem wird der als Stützgang wirkende elektromotorische Gang EM2 eingelegt, das heißt die Lamellenkupplung K2 geschlossen und das Schaltelement SE-E nach links geschaltet, und die Elektromaschine 1 1 hochgefahren. Dadurch erfolgt eine Lastübertragung von der Elektromaschine 1 1 zur Abtriebsseite, bei der die Elektromaschine 1 1 ein beliebig einstellbares Moment erzeugt. Switching element SE-D switched to its neutral position. In addition, acting as a support gear electromotive gear EM2 is inserted, that is, the multi-plate clutch K2 is closed and the switching element SE-E switched to the left, and the electric machine 1 1 started up. This results in a load transfer from the electric machine 1 1 to the output side, in which the electric machine 1 1 generates an arbitrarily adjustable torque.
Der Schaltvorgang in den Zielgang VM4 wird fortgesetzt, indem das The shift into the target gear VM4 is continued by the
Schaltelement SE-D von seiner Neutralstellung nach rechts geschaltet wird. Damit ist ein Lastpfad von der Brennkraftmaschine 7 über das Schaltelement SE-F, die Radebene V4, das Schaltelement SE-D sowie die Abtriebswelle 17 bis zum abtriebsseitigen Stirnradtrieb St vorbereitet. Zum Ende des Switching element SE-D is switched from its neutral position to the right. Thus, a load path of the internal combustion engine 7 via the switching element SE-F, the gear plane V4, the switching element SE-D and the output shaft 17 is prepared to the output side spur gear St. At the end of the
Schaltvorgangs wird die Trennkupplung 4 wieder geschlossen, das heißt die Brennkraftmaschine 7 zugeschaltet, sowie die Elektromaschine 1 1 wieder heruntergefahren, so dass der Zielgang VM4 geschaltet ist und abermals eine Lastübertragung von der Brennkraftmaschine 7 zur Abtriebsseite erfolgt. Switching operation, the clutch 4 is closed again, that is, the internal combustion engine 7 is switched on, and the electric machine 1 1 shut down again, so that the target gear VM4 is switched and again a load transfer from the engine 7 takes place to the output side.
Von daher kann im Getriebe 1 der Figur 3 jede Schaltung mittels eines elektromotorischen Stützgangs gestützt werden, und zwar im Unterschied zur Figur 2, in der speziell ein Schaltvorgang zwischen dem Therefore, in the transmission 1 of Figure 3, each circuit can be supported by means of an electromotive support gear, in contrast to Figure 2, in which a particular switching operation between the
verbrennungsmotorischen dritten Gang VM3 und dem internal combustion engine third gear VM3 and the
verbrennungsmotorischen vierten Gang VM4, das heißt zwischen den Hybrid-Radebenen E1 und E2, nicht mittels eines elektromotorischen Gangs gestützt werden kann. In dem in der Figur 2 gezeigten Getriebe 1 kann während des obigen Schaltvorgangs von der Elektromaschine 1 1 kein Stütz- Lastpfad bereitgestellt werden, da sowohl die Brennkraftmaschine 7 als auch die Elektromaschine 1 1 über ein gemeinsames Schaltelement SE-B auf die Abtriebswelle 17 abtreiben. Somit ist in der Figur 2 kein Internal combustion engine fourth gear VM4, that is, between the hybrid gear planes E1 and E2, can not be supported by means of an electromotive gear. In the transmission 1 shown in Figure 2 can during the above switching operation of the electric machine 1 1 no support load path can be provided, since both the internal combustion engine 7 and the electric machine 1 1 drive off via a common switching element SE-B on the output shaft 17. Thus, in FIG
Zugkraftunterbrechungsfreies Schalten zwischen dem dritten und vierten verbrennungsmotorischen Gang möglich. Traction interruption-free switching between the third and fourth internal combustion engine gear possible.
Zudem ist mittels des in der Figur 3 gezeigten Getriebes 1 ein In addition, by means of the transmission 1 shown in Figure 3 a
verbrennungsmotorisches Anfahren aus dem Fahrzeugstillstand oder ein Boost-Betrieb ermöglicht, bei der für einzelne verbrennungsmotorische Gänge mehrere elektromotorische Gänge zum Boosten zur Verfügung stehen. Internal combustion engine starting from vehicle standstill or boost mode, in which several electromotive gears are available for boosting for individual internal combustion engine gears.
Anhand der folgenden Figuren 4 bis 6 sind Abwandlungen des in der Figur 3 gezeigten Getriebes 1 beschrieben: Modifications of the transmission 1 shown in FIG. 3 are described with reference to the following FIGS. 4 to 6:
So sind in der Figur 4 die beiden elektromaschinenseitigen Zahnräder 27, 29 der Hybrid-Radebenen E1 , E2 nicht über eine Doppelkupplung (Figur 3) oder über eine Doppelsynchronisierung (Figur 2) mit der Elektromaschinen-Welle 9 verbindbar, sondern anstelle dessen mittels einer Freilaufkupplung F und einer Lamellenkupplung K. Die Lamellenkupplung K weist einen Thus, in FIG. 4, the two gear wheels 27, 29 of the hybrid gear planes E1, E2 can not be connected to the electric machine shaft 9 via a double clutch (FIG. 3) or via a double synchronization (FIG. 2), but instead by means of an overrunning clutch F and a multi-plate clutch K. The multi-plate clutch K has a
Außenlamellenträger 45 auf, der sowohl an der Elektromaschinen-Welle 9 als auch an der Hohlwelle 51 drehfest angebunden ist. Der External disk carrier 45, which is rotatably connected both to the electric machine shaft 9 and to the hollow shaft 51. Of the
Außenlamellenträger 45 wirkt auf einen Innenlamellenträger 47. Dieser ist zusammen mit dem Zahnrad 29 der Hybrid-Ebene 1 auf der Vollwelle 53 drehfest angeordnet, die sich koaxial durch die Hohlwelle 51 erstreckt. Das elektromaschinenseitige Zahnrad 27 der ersten Hybridradebene E1 ist über die Freilaufkupplung F mit der Hohlwelle 51 verbindbar. Der Freilaufkupplung F ist ein Schaltelement SE-I zugeordnet, das in zwei Betriebsstellungen schaltbar ist: In der gezeigten Betriebsstellung ist eine Drehmomentübertragung von der Elektromaschinen-Welle 9 über den Außenlamellenträger 45 und über die Hohlwelle 51 in Richtung auf das elektromaschinenseitige Zahnrad 27 der ersten Hybrid-Radebene E1 ermöglicht und in Gegenrichtung die Freilauffunktion aktiviert, das heißt eine Drehmomentübertragung unterbunden. Sofern also die mit der Hohlwelle 51 verbundene Freilaufkupplungs-Innenseite 58 schneller dreht als das elektromaschinenseitige Zahnrad 27, treibt die Hohlwelle 51 das Zahnrad 27 an. In einer zweiten Betriebsstellung ist das Schaltelement SE-I in der Figur 4 nach links geschaltet. In diesem Fall ist eine Drehmomentübertragung in beiden Richtungen ermöglicht. Sowohl in der Figur 4 als auch in der Figur 3 sind die elektromotorischen Gänge lastschaltbar, während in der Figur 1 oder 2 die elektromotorischen Gänge nicht lastschaltbar sind. Outer plate carrier 45 acts on an inner plate carrier 47. This is rotatably arranged together with the gear 29 of the hybrid plane 1 on the solid shaft 53, which extends coaxially through the hollow shaft 51. The electromotor-side gear 27 of the first hybrid wheel E1 level can be connected via the overrunning clutch F with the hollow shaft 51. The one-way clutch F is associated with a switching element SE-I, which is switchable in two operating positions: In the operating position shown is a Transmission of torque from the electric machine shaft 9 via the outer disk carrier 45 and via the hollow shaft 51 in the direction of the electric machine side gear 27 of the first hybrid gear plane E1 allows and in the opposite direction, the free-wheeling function activated, that is, a torque transmission suppressed. If, therefore, the one-way clutch inner side 58 connected to the hollow shaft 51 rotates faster than the electromotor-side gear wheel 27, the hollow shaft 51 drives the gear wheel 27. In a second operating position, the switching element SE-I is switched to the left in FIG. In this case, a torque transmission in both directions is possible. Both in the figure 4 and in the figure 3, the electromotive gears are power shiftable, while in the figure 1 or 2, the electromotive gears are not power shiftable.
In der Figur 5 ist die Elektromaschine 1 1 nicht mehr abtriebsseitig an das Getriebe 1 angebunden (wie in den Figuren 1 bis 4), sondern antriebsseitig an das Getriebe 1 angebunden. Bei einer solchen antriebsseitigen In FIG. 5, the electric machine 1 1 is no longer connected to the transmission 1 on the output side (as in FIGS. 1 to 4), but is connected to the transmission 1 on the drive side. In such a drive side
Anbindung kämmen die Zahnräder 27, 29 der Hybrid-Radebenen E1 und E2 nicht mehr mit den abtriebsseitigen Zahnrädern 19, 21 der Hybrid- Radebenen E1 und E2, sondern mit den antriebsseitigen Zahnrädern 23, 25 der Hybrid-Radebenen E1 und E2. Connection comb the gears 27, 29 of the hybrid gear planes E1 and E2 no longer with the output side gears 19, 21 of the hybrid gear planes E1 and E2, but with the drive-side gears 23, 25 of the hybrid gear planes E1 and E2.
In den Figuren 1 bis 5 ist ein elektromotorischer Rückwärtsgang In the figures 1 to 5 is an electric motor reverse gear
bereitgestellt, bei dem die Elektromaschine 1 1 in umgekehrter Richtung zu betreiben ist. Im Unterschied dazu weist in der Figur 6 das Getriebe 1 eine zusätzliche Rückwärtsgang-Radebene R auf, die als ein Stirnradsatz ausgebildet ist. Die Rückwärtsgang-Radebene R ist aus einem auf der Brennkraftmaschinen-Welle 3 losgelagerten antriebsseitigen Zahnrad 59, einem damit kämmenden Zwischenzahnrad 61 sowie einem abtriebsseitigen drehfest auf der Abtriebswelle 17 gelagerten Zahnrad 63 aufgebaut, das mit dem Zwischen-Zahnrad 61 kämmt. Der grundsätzliche Aufbau der in der Figur 6 gezeigten Getriebestruktur ist weitgehend baugleich mit der in der Figur 2 gezeigten Getriebestruktur, mit Ausnahme der zusätzlichen provided in which the electric machine 1 1 is to be operated in the reverse direction. In contrast, in the figure 6, the transmission 1 on an additional reverse gear plane R, which is designed as a spur gear. The reverse gear plane R is constituted by a drive-side gear 59 disposed on the engine shaft 3, an intermediate gear 61 intermeshing therewith, and a gear 63 rotatably mounted on the output shaft 17 on the output side, meshing with the intermediate gear 61. The basic structure of the in the FIG. 6 shows a largely identical structure to the transmission structure shown in FIG. 2, with the exception of the additional ones
Rückwärtsgang-Radebene R, die in Axialrichtung zwischen der zweiten Hybrid-Radebene E2 und dem Planetenvorgelege 12 angeordnet ist. Zudem ist das Schaltelement SE-C, im Unterschied zur Figur 2, in der Figur 6 beidseitig schaltbar ausgebildet und in Axialrichtung zwischen der antriebsseitigen Hohlwelle 31 und dem antriebsseitigen Loszahnrad 59 positioniert. Bei einer Schaltbetätigung nach rechts ist die Reverse gear plane R, which is arranged in the axial direction between the second hybrid gear plane E2 and the planetary gear 12. In addition, the switching element SE-C, in contrast to Figure 2, in Figure 6 formed on both sides switchable and positioned in the axial direction between the drive-side hollow shaft 31 and the drive-side idler gear 59. When a shift to the right is the
Brennkraftmaschinen-Welle 3 über das Schaltelement SE-C mit der Rückwärtsgang-Ebene R trieblich verbunden. Internal combustion engine shaft 3 via the switching element SE-C with the reverse gear plane R drivingly connected.

Claims

Patentansprüche claims
Hybridantriebsstrang für ein hybridgetriebenes Fahrzeug, mit einem mittels Schaltelemente in unterschiedliche Übersetzungsstufen umschaltbaren Getriebe (1 ), insbesondere Handschaltgetriebe, das über eine Brennkraftmaschinen-Welle (3) mit einer Hybrid powertrain for a hybrid-powered vehicle, with a means of switching elements in different gear ratios switchable transmission (1), in particular manual transmission, via an internal combustion engine shaft (3) with a
Brennkraftmaschine (7), über eine Elektromaschinen-Welle (9) mit einer Elektromaschine (1 1 ) sowie über eine Ausgangswelle (13) mit zumindest einer Fahrzeugachse (VA) trieblich verbindbar ist, wobei die Brennkraftmaschinen-Welle (3) und eine mit der Ausgangswelle (13) trieblich verbundene Abtriebswelle (17) über Stirnzahnradsätze verbindbar sind, die mittels der Schaltelemente schaltbar sind und jeweils Radebenen (V1 bis V4, E1 , E2) bilden, von denen zumindest eine Hybrid-Radebene (E1 , E2) zusätzlich mit der Elektromaschinen- Welle (9) verbindbar ist, dadurch gekennzeichnet, dass Internal combustion engine (7), via an electric machine shaft (9) with an electric machine (1 1) and via an output shaft (13) with at least one vehicle axle (VA) is drivably connectable, wherein the engine shaft (3) and one with the Output shaft (13) drivingly connected output shaft (17) via Stirnzahnradsätze are connectable, which are switchable by means of the switching elements and each Radebenen (V1 to V4, E1, E2) form, of which at least one hybrid-Radebene (E1, E2) in addition to the Electric machine shaft (9) is connectable, characterized in that
insbesondere auf der Elektromaschinen-Welle (9) zumindest ein Schaltelement (SE-A; K1 , K2; K, F) angeordnet ist, mittels dem die Hybrid-Radebene (E1 , E2) von der Elektromaschine (1 1 ) abkoppelbar ist oder damit verbindbar ist. in particular on the electric machine shaft (9) at least one switching element (SE-A, K1, K2, K, F) is arranged, by means of which the hybrid gear plane (E1, E2) from the electric machine (1 1) can be decoupled or so is connectable.
Antriebsstrang nach Anspruch 1 , dadurch gekennzeichnet, dass die Hybrid-Radebene (E1 , E2) ein auf der Abtriebswelle (17) Drive train according to claim 1, characterized in that the hybrid gear plane (E1, E2) on the output shaft (17)
angeordnetes abtriebsseitiges Zahnrad (19, 21 ), ein auf der arranged output-side gear (19, 21), one on the
Brennkraftmaschinen-Welle (3) angeordnetes antriebsseitiges Internal combustion engine shaft (3) arranged drive side
Zahnrad (23, 25) und ein elektromaschinenseitiges Zahnrad (27, 29) aufweist, und dass insbesondere das auf der Elektromaschinen-Welle (9) angeordnete elektromaschinenseitige Zahnrad (27, 29) als Gear (23, 25) and an electric machine side gear (27, 29), and in particular that on the electric machine shaft (9) arranged on the electric machine side gear (27, 29) as
Loszahnrad auf der Elektromaschinen-Welle (9) drehgelagert ist und mittels des Schaltelements (SE-A), insbesondere eine nicht lastschaltbare Synchronisierung, von der Elektromaschinen-Welle (9) abkoppelbar ist oder damit koppelbar ist. Loszahnrad on the electric machine shaft (9) is rotatably mounted and by means of the switching element (SE-A), in particular one not power-shiftable synchronization, from the electric machine shaft (9) can be decoupled or coupled with it.
Antriebsstrang nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Getriebe (1 ) genau zwei Hybrid-Radebenen (E1 , E2) aufweist, und dass insbesondere das auf der Elektromaschinen-Welle (9) angeordnete Schaltelement (SE-A) beidseitig schaltbar ist und in Axialrichtung zwischen den Loszahnrädern (27, 29) der beiden Hybrid- Radebenen (E1 , E2) angeordnet ist, wobei das Schaltelement (SE-A) in einer Neutralstellung von den beiden Hybrid-Radebenen (E1 , E2) abgekoppelt ist und das Schaltelement (SE-A) entweder in einer ersten Schaltstellung das Loszahnrad (27) der ersten Hybrid- Radebene (E1 ) mit der Elektromaschinen-Welle (9) koppelt oder in einer zweiten Schaltstellung das Loszahnrad (29) der zweiten Hybrid- Radebene (E2) mit der Elektromaschinen-Welle (9) koppelt. Drive train according to claim 1 or 2, characterized in that the transmission (1) has exactly two hybrid wheel planes (E1, E2), and in particular that on the electric machine shaft (9) arranged switching element (SE-A) is switchable on both sides and in the axial direction between the loose gears (27, 29) of the two hybrid gear planes (E1, E2) is arranged, wherein the switching element (SE-A) is decoupled in a neutral position of the two hybrid gear planes (E1, E2) and the Switching element (SE-A) either in a first switching position the idler gear (27) of the first hybrid gear plane (E1) with the electric machine shaft (9) coupled or in a second switching position, the idler gear (29) of the second hybrid gear plane (E2 ) coupled to the electric machine shaft (9).
Antriebsstrang nach einem der Ansprüche 1 , 2 oder 3, dadurch gekennzeichnet, dass die Elektromaschinen-Welle (9) frei von drehfest darauf angeordneten Festzahnräder der die Radebenen bildenden Stirnzahnradsätze ist. Drive train according to one of claims 1, 2 or 3, characterized in that the electric machine shaft (9) is free from rotatably mounted thereon fixed gears of the wheel planes forming Stirnzahnradsätze.
Antriebsstrang nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Abtriebswelle (17) über eine Stirnradstufe (St) mit der Ausgangswelle (13) verbunden ist, und dass insbesondere sämtliche Radebenen (V1 bis V4, E1 , E2) in der Axialrichtung zwischen der Stirnradstufe (St) und der Elektromaschine (1 1 ) angeordnet sind, und/oder dass die zumindest eine Hybrid-Radebene (E1 , E2), insbesondere beide Hybridradebenen (E1 , E2), unmittelbar axial benachbart an der Elektromaschine (1 1 ) angeordnet sind. Antriebsstrang nach einem der Ansprüche 2 bis 5, dadurch Drive train according to one of the preceding claims, characterized in that the output shaft (17) via a spur gear (St) with the output shaft (13) is connected, and that in particular all wheel planes (V1 to V4, E1, E2) in the axial direction between the Spur gear (St) and the electric machine (1 1) are arranged, and / or that the at least one hybrid gear plane (E1, E2), in particular both hybrid wheel (E1, E2), directly axially adjacent to the electric machine (1 1) are. Drive train according to one of claims 2 to 5, characterized
gekennzeichnet, dass das auf der Abtriebswelle (17) angeordnete abtriebsseitige Zahnrad (19, 21 ) der zumindest einen Hybrid- Radebene (E1 , E2) ein Loszahnrad ist, das mittels eines in that the driven-side gearwheel (19, 21) of the at least one hybrid gear plane (E1, E2) arranged on the output shaft (17) is a loose-gear wheel, which by means of a
Schaltelements (SE-B) mit der Abtriebswelle (17) koppelbar ist, und/oder dass das auf der Brennkraftmaschinen-Welle (3) Switching element (SE-B) with the output shaft (17) is coupled, and / or that on the engine shaft (3)
angeordnete antriebsseitige Zahnrad (23, 25) der Hybrid-Radebene (E1 , E2) ein Loszahnrad ist, das mittels eines Schaltelements (SE-C) mit der Brennkraftmaschinen-Welle (3) koppelbar ist. arranged drive-side gear (23, 25) of the hybrid gear plane (E1, E2) is a loose gear, which by means of a switching element (SE-C) with the engine shaft (3) can be coupled.
Antriebsstrang nach Anspruch 6, dadurch gekennzeichnet, dass das auf der Abtriebswelle (17) angeordnete Schaltelement (SE-B) beidseitig schaltbar ist und in Axialrichtung zwischen den Drive train according to claim 6, characterized in that on the output shaft (17) arranged switching element (SE-B) is switchable on both sides and in the axial direction between the
abtriebsseitigen Loszahnrädern (19, 21 ) der beiden Hybrid- Radebenen (E1 , E2) angeordnet ist, wobei das Schaltelement (SE-B) entweder in einer ersten Schaltstellung das abtriebsseitige Output side idler gears (19, 21) of the two hybrid gear planes (E1, E2) is arranged, wherein the switching element (SE-B) either in a first switching position the output side
Loszahnrad (19) der ersten Hybrid-Radebene (E1 ) mit der Loszahnrad (19) of the first hybrid wheel plane (E1) with the
Abtriebswelle (17) koppelt oder in einer zweiten Schaltstellung das abtriebsseitige Loszahnrad (21 ) der zweiten Hybrid-Radebene (E2) mit der Abtriebswelle (17) koppelt. Output shaft (17) coupled or in a second switching position, the output side idler gear (21) of the second hybrid gear plane (E2) coupled to the output shaft (17).
Antriebsstrang nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass die beiden Hybrid-Radebenen (E1 , E2) Bestandteile eines Teilgetriebes (T) sind, das während des Getriebe-Betriebs stilllegbar ist, das heißt vom Antriebsstrang abkoppelbar ist, und dass Drive train according to claim 6 or 7, characterized in that the two hybrid wheel planes (E1, E2) are components of a sub-transmission (T), which is silent during the transmission operation, that is, can be decoupled from the drive train, and that
insbesondere im Teilgetriebe (T) die auf der Brennkraftmaschinen- Welle (3) angeordneten antriebsseitigen Loszahnräder (23, 25) der beiden Hybridradebenen (E1 , E2) gemeinsam auf einer Hohlwelle (31 ) drehfest angeordnet sind, die koaxial auf der Brennkraftmaschinen- Welle (3) drehgelagert ist und über genau ein Schaltelement (SE-C) mit der Brennkraftmaschinen-Welle (3) koppelbar ist. in particular in the partial transmission (T) arranged on the engine shaft (3) drive-side idler gears (23, 25) of the two hybrid wheel planes (E1, E2) are rotatably mounted together on a hollow shaft (31) coaxial with the engine Shaft (3) is rotatably mounted and via exactly one switching element (SE-C) with the engine shaft (3) can be coupled.
Antriebsstrang nach einem der Ansprüche 2 bis 7, dadurch Drive train according to one of claims 2 to 7, characterized
gekennzeichnet, dass an die Hybrid-Radebene (E1 , E2) eine weitere Radebene (V3, V4) unmittelbar benachbart ist, die gegenüber der Elektromaschinen-Welle (9) anbindungsfrei ist und ein auf der in that a further gear plane (V3, V4) is directly adjacent to the hybrid gear plane (E1, E2), which is free of connection with the electric machine shaft (9) and one on the
Abtriebswelle (17) drehgelagertes abtriebsseitiges Loszahnrad (33, 39) aufweist, das mittels eines Schaltelements (SE-D, SE-E) mit der Abtriebswelle (17) koppelbar ist, und dass insbesondere das auf der Abtriebswelle (17) angeordnete Schaltelement (SE-D, SE-E) beidseitig schaltbar ist und in Axialrichtung zwischen den auf der Abtriebswelle (17) drehgelagerten abtriebsseitigen Loszahnrädern (19, 21 , 33, 39) der Hybrid-Radebene (E1 , E2) und der weiteren Radebene (V3, V4) angeordnet ist, wobei das Schaltelement (SE-D, SE-E) in einer Neutralstellung von der Hybrid-Radebene (E1 , E2) und von der weiteren Radebene (V3, V4) abgekoppelt ist und das Schaltelement (SE-D, SE-E) entweder in einer ersten Schaltstellung das Output shaft (17) rotatably mounted on the output side idler gear (33, 39), which by means of a switching element (SE-D, SE-E) with the output shaft (17) can be coupled, and in particular that on the output shaft (17) arranged switching element (SE -D, SE-E) is switchable on both sides and in the axial direction between the on the output shaft (17) rotatably driven output side idler gears (19, 21, 33, 39) of the hybrid gear plane (E1, E2) and the other wheel plane (V3, V4 ), wherein the switching element (SE-D, SE-E) is decoupled in a neutral position from the hybrid gear plane (E1, E2) and from the further gear plane (V3, V4) and the switching element (SE-D, SE -E) either in a first switching position the
abtriebsseitige Loszahnrad (33, 39) der weiteren Radebene (V3, V4) mit der Abtriebswelle (17) koppelt oder in einer zweiten Schaltstellung das abtriebsseitige Loszahnrad (19, 21 ) der Hybrid-Radebene (E1 , E2) mit der Abtriebswelle (17) koppelt. Output-side idler gear (33, 39) of the further gear plane (V3, V4) with the output shaft (17) coupled or in a second switching position, the output side idler gear (19, 21) of the hybrid gear plane (E1, E2) with the output shaft (17) coupled.
Antriebsstrang nach Anspruch 9, dadurch gekennzeichnet, dass die Hybrid-Radebene (E1 , E2) und die weitere Radebene (V3, V4) Bestandteile eines Teilgetriebes (T1 , T2) sind, das während des Getriebe-Betriebs stilllegbar ist, das heißt vom Antriebsstrang abkoppelbar ist, und dass insbesondere im Teilgetriebe (T1 , T2) die weitere Radebene (V3, V4) ein auf der Brennkraftmaschinen-Welle (3) drehgelagertes antriebsseitiges Loszahnrad (35, 41 ) aufweist, das mittels eines Schaltelements (SE-F) mit der Brennkraftmaschinen- Welle (3) koppelbar ist, und dass insbesondere die auf der Drive train according to claim 9, characterized in that the hybrid gear plane (E1, E2) and the further gear plane (V3, V4) are components of a sub-transmission (T1, T2), which is silent during transmission operation, that is from the drive train can be decoupled, and that in particular in the partial transmission (T1, T2), the further gear plane (V3, V4) on the engine shaft (3) rotatably mounted drive-side idler gear (35, 41), the by means of a switching element (SE-F) with the engine shaft (3) can be coupled, and that in particular on the
Brennkraftmaschinen-Welle (3) drehgelagerten Loszahnräder (35, 41 , 23, 25) der Hybrid-Radebene (E1 , E2) und der weiteren Radebene (V3, V4) auf einer abtriebsseitigen Hohlwelle (37, 43) drehfest angeordnet sind, die auf der Brennkraftmaschinen-Welle (3) koaxial drehgelagert ist und über genau ein Schaltelement (SE-F) mit der Brennkraftmaschinen-Welle (3) koppelbar ist. 1 1 . Antriebsstrang nach Anspruch 10, dadurch gekennzeichnet, dass die beiden Hybrid-Radebenen (E1 , E2) jeweils Bestandteil eines ersten und eines zweiten Teilgetriebes (T1 , T2) sind, und dass das auf der Brennkraftmaschinen-Welle (3) angeordnete Schaltelement (SE-F) beidseitig schaltbar ist und in Axialrichtung zwischen den  Internal combustion engine shaft (3) rotatably mounted idler gears (35, 41, 23, 25) of the hybrid gear plane (E1, E2) and the other gear plane (V3, V4) on a driven side hollow shaft (37, 43) are arranged rotationally fixed on the engine shaft (3) is rotatably mounted coaxially and via exactly one switching element (SE-F) with the engine shaft (3) can be coupled. 1 1. Drive train according to claim 10, characterized in that the two hybrid wheel planes (E1, E2) are each part of a first and a second partial transmission (T1, T2), and that on the engine shaft (3) arranged switching element (SE- F) is switchable on both sides and in the axial direction between the
antriebsseitigen Hohlwellen (37, 43) der beiden Teilgetriebe (T1 , T2) angeordnet ist, wobei das Schaltelement (SE-F) in einer  Drive-side hollow shafts (37, 43) of the two partial transmissions (T1, T2) is arranged, wherein the switching element (SE-F) in a
Neutralstellung von beiden Hohlwellen (37, 43) abgekoppelt ist und das Schaltelement (SE-F) entweder in einer ersten Schaltstellung die antriebsseitige Hohlwelle (37) des ersten Teilgetriebes (T1 ) mit der Brennkraftmaschinen-Welle (3) koppelt oder in einer zweiten  Neutral position of both hollow shafts (37, 43) is decoupled and the switching element (SE-F) either in a first switching position, the drive-side hollow shaft (37) of the first partial transmission (T1) coupled to the engine shaft (3) or in a second
Schaltstellung die antriebsseitige Hohlwelle (43) des zweiten  Switching position the drive-side hollow shaft (43) of the second
Teilgetriebes (T2) mit der Brennkraftmaschinen-Welle (3) koppelt.  Partial transmission (T2) with the engine shaft (3) coupled.
12. Antriebsstrang nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Elektromaschine (1 1 ) abtriebsseitig angebunden ist, und dass für die abtriebsseitige Anbindung der Elektromaschine (1 1 ) das elektromaschinenseitige Zahnrad (27, 29) der Hybrid-Radebene (E1 , E2) mit dem auf der Abtriebswelle (17) drehgelagerten abtriebsseitigen Loszahnrad (19, 21 ) kämmt. Antriebsstrang nach einem der Ansprüche 1 bis 1 1 , dadurch gekennzeichnet, dass die Elektromaschine (1 1 ) antriebsseitig angebunden ist, und dass für die antriebsseitige Anbindung der Elektromaschine (1 1 ) das elektromaschinenseitige Zahnrad (27, 29) der Hybrid-Radebene (E1 , E2) mit dem auf der Brennkraftmaschinen- Welle (3) drehgelagerten antriebsseitigen Loszahnrad (23, 25) kämmt. 12. Drive train according to one of the preceding claims, characterized in that the electric machine (1 1) is connected on the output side, and that for the output side connection of the electric machine (1 1) the electric machine side gear (27, 29) of the hybrid gear plane (E1, E2) with the output shaft (17) rotatably driven on the output side idler gear (19, 21) meshes. Drive train according to one of claims 1 to 1 1, characterized in that the electric machine (1 1) is connected on the drive side, and that for the drive-side connection of the electric machine (1 1) the electric machine side gear (27, 29) of the hybrid gear plane (E1 , E2) with the on the engine shaft (3) rotatably driven drive-side idler gear (23, 25) meshes.
Antriebsstrang nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Elektromaschinen-Welle (9) über ein erstes Schaltelement (F; K1 ) mit der ersten Hybridebene (E1 ) und mit einem zweiten Schaltelement (K; K2) mit der zweiten Hybridebene (E2) verbunden ist. Drive train according to one of the preceding claims, characterized in that the electric machine shaft (9) via a first switching element (F; K1) with the first hybrid plane (E1) and with a second switching element (K; K2) with the second hybrid plane (E2 ) connected is.
Antriebsstrang nach Anspruch 14, dadurch gekennzeichnet, dass das elektromaschinenseitige Zahnrad (27) der ersten Hybridebene (E1 ) auf einer zur Elektromaschinen-Welle (9) koaxialen Hohlwelle (51 ), insbesondere drehfest, angeordnet, ist, und dass insbesondere die Hohlwelle (51 ) über das erste Schaltelement, insbesondere eine Kupplung (K1 ), mit der Elektromaschinen-Welle (9) verbindbar ist, und dass das Zahnrad (29) der zweiten Hybridebene (E2) auf einer koaxial durch die Hohlwelle (51 ) geführten Vollwelle (53) drehfest angeordnet ist, und dass die Vollwelle (53) über das zweite Schaltelement, insbesondere eine Kupplung (K2; K), mit der Elektromaschinen-Welle (9) verbindbar ist.(Fig. 3) Drive train according to claim 14, characterized in that the electromotor-side gear (27) of the first hybrid plane (E1) on a to the electric machine shaft (9) coaxial hollow shaft (51), in particular rotationally fixed, is arranged, and in particular that the hollow shaft (51 ) via the first switching element, in particular a coupling (K1), with the electric machine shaft (9) is connectable, and that the gear (29) of the second hybrid plane (E2) on a coaxially through the hollow shaft (51) guided solid shaft (53 ) and that the solid shaft (53) can be connected to the electric machine shaft (9) via the second shifting element, in particular a clutch (K2; K). (FIG. 3)
Antriebsstrang nach Anspruch 15, dadurch gekennzeichnet, dass das erste Schaltelement eine Freilaufkupplung (F) ist, und dass das elektromaschinenseitige Zahnrad (27) der ersten Hybridradebene (E1 ) über die Freilaufkupplung (F) mit der drehfest an der Drive train according to claim 15, characterized in that the first switching element is an overrunning clutch (F), and that the electromotor-side gear (27) of the first hybrid wheel plane (E1) via the overrunning clutch (F) with the rotationally fixed to the
Elektromaschinen-Welle (9) angebundenen Hohlwelle (51 ) verbindbar ist, und dass der Freilaufkupplung (F) ein Schaltelement (SE-I) zugeordnet ist, wobei das Schaltelement (SE-I) in einer ersten Electric machine shaft (9) connected to the hollow shaft (51) connectable is, and that the one-way clutch (F) is associated with a switching element (SE-I), wherein the switching element (SE-I) in a first
Schaltstellung eine Drehmomentübertragung von der Switching position a torque transmission from the
Elektromaschinen-Welle (9) auf die Hohlwelle (51 ) zulässt und in Gegenrichtung unterbindet, und in einer zweiten Schaltstellung die Drehmomentübertragung in beide Richtungen zulässt. Electric machine shaft (9) on the hollow shaft (51) permits and prevents in the opposite direction, and in a second switching position allows the transmission of torque in both directions.
Antriebsstrang nach Anspruch 16, dadurch gekennzeichnet, dass das zweite Schaltelement eine Kupplung (K) ist, mit der die Vollwelle (53) mit der Elektromaschinen-Welle (9) verbindbar ist, wobei insbesondere der Außenlamellentrager (45) der Kupplung (K) sowohl an der Elektromaschinen-Welle (9) als auch an der Hohlwelle (51 ) fest angebunden ist. Drive train according to claim 16, characterized in that the second switching element is a clutch (K) with which the solid shaft (53) with the electric machine shaft (9) is connectable, in particular the outer disk carrier (45) of the clutch (K) both on the electric machine shaft (9) and on the hollow shaft (51) is firmly connected.
EP17788229.7A 2016-10-26 2017-10-24 Hybrid drive train for a hybrid-driven motor vehicle Withdrawn EP3532326A1 (en)

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WO2018077907A1 (en) 2018-05-03

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