Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
  • B60W20/00—Control systems specially adapted for hybrid vehicles
  • B60W20/30—Control strategies involving selection of transmission gear ratio
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
  • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
  • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
  • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
  • B60K6/44—Series-parallel type
  • B60K6/442—Series-parallel switching type
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
  • B60K17/00—Arrangement or mounting of transmissions in vehicles
  • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
  • B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential 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
• • 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
  • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
  • B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
  • B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
  • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
  • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
  • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
  • B60K6/44—Series-parallel type
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
  • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
  • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
  • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
  • B60K6/54—Transmission for changing ratio
  • B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
  • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
  • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
  • B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
  • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
  • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
  • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
  • B60K6/48—Parallel type
  • B60K2006/4808—Electric machine connected or connectable to gearbox output shaft
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
  • B60W2510/00—Input parameters relating to a particular sub-units
  • B60W2510/02—Clutches
  • B60W2510/0241—Clutch slip, i.e. difference between input and output speeds
• • 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
  • B60Y2400/00—Special features of vehicle units
  • B60Y2400/42—Clutches or brakes
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
  • Y02T10/00—Road transport of goods or passengers
  • Y02T10/60—Other road transportation technologies with climate change mitigation effect
  • Y02T10/62—Hybrid vehicles

Definitions

• the invention relates to a drive unit for a drive train of a hybrid motor vehicle, such as a hybrid car, truck, bus or other commercial vehicle, with an internal combustion engine, such as a gasoline or diesel engine, a first electric machine, one with respect to their coaxial rotor to a rotation axis egg - A rotor of the first electric machine arranged second electric machine, a first translation stage arranged between a non-rotatably coupled to an output shaft of the internal combustion engine or coupling drive component and a drive shaft of the first electric machine and / or the second electric machine, and a transmission subunit , via which the drive shaft of the respective electric machine is coupled or can be coupled to a wheel drive.
• a hybrid motor vehicle such as a hybrid car, truck, bus or other commercial vehicle
• an internal combustion engine such as a gasoline or diesel engine
• a first electric machine one with respect to their coaxial rotor to a rotation axis egg -
• a rotor of the first electric machine arranged second electric machine
• the drive component of the internal combustion engine is coupled via a second gear ratio with a countershaft unit, wherein the countershaft unit has an integrated (first) clutch and is further connected to the wheel drive that, depending on the position of this (first ) Coupling the internal combustion engine is coupled via at least the second gear ratio with the Radantriebswellen or decoupled from these Radan- drive shafts.
• a translation for the connection between the internal combustion engine and the wheel drive is variable as possible selectable. Either there is a torque transmission from the internal combustion engine via the first gear ratio to the respective drive shaft and from there via the gear subunit to the Radantriebswellen, o- over the second gear ratio directly via the countershaft unit toward the Radantriebswellen instead.
• the design of the electric machine including the drive shafts a particularly compact arrangement and design of the drive unit is implemented.
• the countershaft unit has a first countershaft, which is connected / coupled in a rotationally fixed manner to the drive component of the internal combustion engine via the second transmission stage, and a second countershaft, which is connected to the first countershaft via the (first) clutch active / is coupled, has.
• the structure of the countershaft unit is kept particularly simple.
• first countershaft and the second countershaft are arranged coaxially with each other. This allows a particularly compact arrangement of the two countershafts to each other.
• a first drive shaft of the electric machine can be operatively connected / coupled via a further (second) clutch to a second drive shaft of the second electric machine
• the structure of the transmission input unit further connected to the drive shafts is kept as simple as possible. Because the drive shafts then preferably have a common input from the internal combustion engine and a common output from the transmission subunit.
• the first drive shaft is directly connected / coupled directly to the drive component of the internal combustion engine via the first transmission stage.
• the drive component of the internal combustion engine is particularly preferably a drive flange. This also keeps the design of the drive unit simple.
• the functionality of the transmission subunit is widened.
• a parking lock is provided on the third countershaft, which blocks in its activated state, a rotation of the third countershaft.
• the third countershaft (preferably via a further fourth gear stage) is rotatably coupled to a differential of a wheel drive.
• the wheel drive then typically has, in addition to the differential, the wheel drive shafts which are non-rotatably connected to a drive wheel of the motor vehicle.
• the second countershaft prefferably to be rotationally connected / coupled to the differential (preferably via a further (fifth) gear ratio stage).
• the structure is also kept very simple.
• first clutch and / or the second clutch are in each case designed as a friction clutch (s), particularly preferably as a multi-disc clutch (s), so that an overlapping circuit is made possible.
• first clutch and / or the second clutch are / is also designed as a claw clutch (-en) or as a magnetic clutch (-en) or as a magnetic-rheological clutch (-en).
• the output shaft via a damping unit, which is preferably designed as a torsional vibration damper, such as a single or Zweimassenschwung- wheel, and / or a further (third) coupling, preferably in the form of a slip clutch, with the drive component is coupled.
• a damping unit which is preferably designed as a torsional vibration damper, such as a single or Zweimassenschwung- wheel, and / or a further (third) coupling, preferably in the form of a slip clutch, with the drive component is coupled.
• the drive component of the output shaft is decoupled.
• at least the first drive shaft can be connected to the wheel drive shafts (via differential) via the two overall ratios.
• the drive unit for the hybrid vehicle comprises an internal combustion engine, two electric machines arranged coaxially relative to each other, a first gear ratio between the internal combustion engine and the two electric machines or between input and output shafts (drive shafts) thereof is arranged accordingly, and a second translation stage, which is arranged between the internal combustion engine and an integrated separating clutch (first clutch) having countershaft (first countershaft) on.
• FIG. 1 is a simplified sectional view of a drive unit according to the invention according to a preferred embodiment
• FIG. 2 shows a simplified sectional view of the drive unit, similar to FIG. 1, wherein additionally a torque transmission path between an internal combustion engine and a differential is plotted by conversion of a first overall gear ratio
• FIG. 3 is a simplified sectional view of the drive unit, similar to FIG. 1, showing a further torque transmission path between the internal combustion engine and a differential via drive shafts of two electric machines and via a transmission subunit, implementing a second overall transmission.
• a drive unit 1 according to the invention is illustrated in terms of their basic structure.
• the drive unit 1 is implemented as a hybrid drive unit 1 and part of a drive train 2 of a (Flybrid-) motor vehicle.
• the drive unit 1 has an internal combustion engine 3 in the form of an Otto or diesel engine and two electric machines 4 and 7.
• the internal combustion engine 3 has an output shaft 10 designed as a crankshaft, which as described in more detail below, further coupled with a drive component 11.
• the electrical machines 4, 7 are each designed as three-phase motors and each have a stator 28, 29 fixed to the housing and a rotor 5, 8 rotatable relative to the stator 28, 29.
• the first electric machine 4 and the second electric machine 7 are cooled by means of a fluid, such as oil or water.
• a first electric machine 4 has a stator 28, which is firmly held in a gear housing, for example, and a rotor 5 which is rotatably mounted relative to this stator 28.
• the rotor 5 is non-rotatably connected to a (first) drive shaft 12, which can be assigned to the first electric machine 4.
• the first drive shaft 12 is rotatably mounted with respect to a rotation axis 6.
• the first drive shaft 12 is arranged coaxially to a second drive shaft 13, which second drive shaft 13 in turn can be regarded as part of a second electric machine 7.
• the first drive shaft 12 is designed as a solid shaft.
• the second drive shaft 13 is designed as a hollow shaft arranged radially outside the first drive shaft 12.
• a rotor 8 of the second electric machine 7 is non-rotatably connected to the second drive shaft 13. Also, the second electric machine 7 has a likewise, for example, in the gear housing fixedly received stator 29, to which the rotor 8 is rotatably mounted, on.
• the two first and second drive shafts 12 and 13 are mounted so as to be rotatable relative to one another by means of two (first) bearings 30, here in the form of roller bearings. Also, the two first and second drive shafts 12 and 13 are rotatably mounted relative to a housing-fixed area by means of a plurality of (second) bearings 31, here in the form of roller bearings. Two (second) bearings 31 are arranged directly on the first drive shaft 12, a further (second) bearing 31 is disposed directly on the second drive shaft 13.
• the output shaft 10 is connected by means of a damping unit 27 in the form of a dual-mass flywheel with the internal combustion engine 3 associated drive component 11 permanently rotatably connected.
• a (third) Clutch used at this point.
• the output shaft 10 is then rotationally fixedly connected to the drive component 11, and in an open position of the third clutch, the drive component 11 and the output shaft 10 are correspondingly freely rotatable / rotationally decoupled from each other.
• the drive component 11 is designed as a drive flange.
• the drive component 11 is again mounted on the housing side by means of a (third) bearing 32, here in the form of rolling bearings.
• the third bearing 32 is formed as a double-row bearing 32.
• the drive component 11 has a first toothed region 33, which meshes with a toothing 34 attached to the first drive shaft 12.
• this toothing 34 is arranged on that (end) region of the first drive shaft 12, which is arranged at a distance from a rotor connection region 35 of the first drive shaft 12 along the axis of rotation 6.
• the first drive shaft 12 is rotatably connected to the rotor 5.
• the first drive shaft 12 runs through the second drive shaft 13 in the axial direction / along the axis of rotation 6 between the rotor connection region 35 and the region accommodating the toothing 34.
• the toothing 34 is therefore arranged on the portion of the first drive shaft 13 projecting from the first drive shaft 12 arranged.
• the drive component 11 is consequently connected in a rotationally fixed manner to the first drive shaft 12 via a first transmission stage 9, which is formed by the connection of the first toothed region 33 with the toothing 34.
• the drive component 11 is provided with a second toothed region 37.
• This second toothed region 37 is in meshing engagement with a toothing 38 of a (first) countershaft 19.
• the countershaft unit 17 also has an integrated (first) coupling 18, which serves as a couplable / decoupled connecting member between the first countershaft 19 and a second countershaft 20 of the countershaft unit 17.
• the first clutch 18 is designed as a friction clutch. In a closed position of the first clutch 18, the first countershaft 19 is rotatably connected to the second countershaft 20. In an open position of the first clutch 18, the two countershafts 19 and 20 freely rotatable relative to each other / decoupled from each other rotationally.
• the first countershaft 19 is arranged coaxially with the second countershaft 20 with respect to its (second) axis of rotation 42.
• the second countershaft 20 is designed as a hollow shaft, and is arranged radially outside of the first countershaft 19.
• the first countershaft 19 is rotatably arranged relative to a housing-fixed area by means of two further (fourth) bearings 39.
• the second countershaft 20 is rotatably supported relative to the first countershaft 19 by means of a further (fifth) bearing 40.
• the second clutch 21 is also designed as a friction clutch.
• a first coupling component 43 of the second clutch 21 is non-rotatably connected to the first drive shaft 12.
• the first coupling component 43 is arranged on the same side relative to the second drive shaft 13 as the rotor connection region 35 on the first drive shaft 12.
• a second clutch constituent part 44 of the second clutch 21 is non-rotatably connected to the second drive shaft 13.
• the two clutch components 43 and 44 of the second clutch 21 are typically connected to one another in a closed position of the second clutch 21 in a rotationally fixed manner, and rotatably decoupled relative to each other in an open position of the second clutch 21.
• the second clutch component 44 of the second clutch 21 is arranged on a first end region of the second drive shaft 13, which first end region faces the rotor 5 of the first electric machine 4.
• a toothing 45 is attached to a second end region of the second drive shaft 13 that is axially opposite this first end region.
• the second drive shaft 13 is in operative connection with a gear subassembly 14.
• the gearbox unit 14 is also implemented as a countershaft unit and forms a subunit the also the countershaft unit 17 with comprehensive gear unit. Conversely, therefore, the countershaft unit 17 is to be regarded as a transmission subunit.
• the transmission subunit 14 has a (third) countershaft 23.
• the third countershaft 23 has a first toothed region 46, which is meshed with the toothing 45.
• the second drive shaft 13 is connected to the transmission subunit 14 / the third countershaft 23 via a (third) transmission stage 22 formed by the toothing 45 and the first toothed region 46.
• the third countershaft 23 has a second toothed region 47, which is arranged at a spacing axially relative to this first toothed region 46.
• This second toothed region 47 is operatively connected to a differential 24 of a wheel drive 36.
• the second toothed region 47 is meshed with a toothing 48 of the differential 24.
• the toothing 48 is formed, for example, by an externally toothed drive wheel of the differential 24.
• the connection between the second toothed region 47 and the toothing 48 forms a (fourth) translation stage 25.
• the second drive shaft 13 is rotatably connected in operation by the combination of the third gear stage 22 with the fourth gear stage 25 with the differential 24.
• the third countershaft 23 is additionally rotatably arranged relative to a housing-fixed area by means of two (sixth) bearings 41.
• the wheel drive 36 typically has two wheel drive shafts 15a, 15b which are each rotatably connected to a drive wheel of the motor vehicle.
• the differential 24 is connected to one of the wheel drive shafts 15a, 15b with one output 49a, 49b in operation.
• the second countershaft 20 has a toothing 50. Although this is not shown in FIG. 1 for the sake of clarity, this serration 50 is in meshing engagement with the toothing 48 of the differential 24.
• the connection between the toothing 50 and the toothing 48 forms a (fifth) gear stage 26.
• the drive component 11 is coupled to the counter gear unit 17 via the second gear stage 16, wherein the counter gear unit 17 has the integrated first clutch 18 and can thus be further coupled to the wheel drive shafts 15a, 15b via the differential 24.
• the internal combustion engine 3 is coupled in a first operating mode via the second transmission stage 16 and the fifth transmission stage 26 to the wheel drive 36 / differential 24 (closed position of the first clutch 18) or in a second operating mode from the wheel drive 36 / the differential 24 rotatably decoupled (open position of the first clutch 18).
• a torque transmission (first torque transmission path 52) from the drive component 11 via the second transmission stage 16 to the first countershaft 19, via the first clutch 18, via the second countershaft 20 and the fifth gear stage 25 to the differential 24 and from there to the individual wheel drive shafts 15a, 15b instead.
• the output shaft 10 / the drive component 11 is thereby coupled / connected to the respective wheel drive shaft 15a, 15b via a first overall transmission ratio (formed by transmission stages 16 and 25 as well as the transmission ratio of the differential 24).
• the first clutch 18 is opened and the second clutch 21 is closed.
• torque transmission (second torque transmission path 53) from the drive component 11, via the first gear stage 9, via the first drive shaft 12, via the second clutch 21, via the second drive shaft 13, via the third gear stage 22, the fourth gear stage 25 takes place and beyond the differential 24 towards the wheel drive shafts 15a, 15b.
• the output shaft 10 / the drive component 11 is thereby coupled / connected to the respective wheel drive shaft 15a, 15b via a second overall ratio (formed by ratio stages 9, 22 and 25 and the ratio of the differential 24).
• the third countershaft 23 is operatively connected to a parking lock device 51 (also referred to simply as a parking lock), which in its activated state blocks rotation of the third countershaft 23 and locks in a deactivated state, a rotation of the third countershaft 23 allows / releases.
• the parking lock device 51 is electrically actuated / switchable between its states.
• first and the second clutch 18, 21 are each formed as a multi-plate clutch.
• first and second clutches 18, 21 are designed independently of each other as a claw clutch or as a magnetic clutch or as a magnetorheological clutch.
• the drive unit 1 for hybrid vehicles between an internal combustion engine 3, two mutually coaxially arranged electric machines EM1 (first electric machine 4) and EM2 (second electric machine 7), a translation stage (first translation stage 9) between the internal combustion engine 3 and the two electric machines 4, 7 and their input or output shafts (first drive shaft 12 and second drive shaft 13) and a gear ratio (second gear stage 16) between the internal combustion engine 3 and the first countershaft 19 with integrated separating clutch (first clutch 18).
• first clutch 18 and second clutch 21 are provided.
• the separating clutches 18, 21 are designed either as a multi-plate clutch or as a claw clutch or as a magnetic coupling or magnetorheological coupling.
• an electrically operated parking lock 51 is present.
• the first electric machine 4 and / or the second electric machine 7 are cooled by means of a fluid, such as oil or water.
• a power electronics is integrated in the drive unit 1.
• an additional countershaft 9 with an integrated separating clutch 18 allows further translation possibilities between the internal combustion engine 3 and the output 36 or vehicle wheels.
• the first countershaft 9 is connected to the Translation stage 16 to the internal combustion engine 3 and a further translation stage (fifth gear stage 26) to the differential wheel 48 in conjunction.
• this drive unit 1 can be used to set two independent, different transmission stages (overall ratios).
• the first gear stage second overall gear ratio
• the torque flow of the internal combustion engine 3 to the wheel takes place through the (third) countershaft 23.
• the separating clutch KO 18 is open on the first countershaft 19.
• the separating clutch K1 21 is coupled / closed and transmits the starting torque of the internal combustion engine 3 further to the differential 24 or the vehicle wheels. At high vehicle speeds with the internal combustion engine 3 as drive, the separating clutch K1 21 is opened and the integrated separating clutch K0 18 on the first countershaft 19 is closed. The torque flow of the internal combustion engine 3 is effected by the first countershaft 19 and the differential 24 to the vehicle wheels.
• the driving machine EM2 7 can be active and / or inactive (FIG. 3).
• Particularly advantageous for fuel consumption and CO2 emissions is a short transfer stage between the internal combustion engine 3 and the vehicle output 36.
• the two clutches 18, 21 are designed as frictional clutches (friction clutches).
• reference numeral (9) denotes a first gear stage between the internal combustion engine 3 and a drive flange 11 and the two electric machines EM1 4 and EM2 7 and input and output shafts 12 and 13 of the two electric machines EM1 4 and EM2 7
• reference numeral (21) denotes a disconnect clutch K1
• reference numeral (22) denotes a (third) gear stage between the input and output shafts 12 and 13 of the two electric machines EM1 4 and EM2 7 and one (third) Countershaft 23
• the reference numeral (23) denotes the third countershaft
• the reference numeral (25) a (fourth) translation stage between the third countershaft 23 and a differential 24
• the reference numeral (24) denotes the differential
• the reference numeral (11) denotes a drive flange
• the reference numeral (12) denotes the input or output shaft of the first electrical Machine EM1 4
• the reference numeral (13) denotes the
• the drive unit 1 for hybrid vehicles allows two different transmission ratios (total ratios) of the internal combustion engine 3 to the wheels.
• a second gear ratio (first overall transmission ratio) of the internal combustion engine 3 to the wheel is possible.
• Two different shiftable translations of the internal combustion engine to the wheel are advantageous depending on the driving mode for the consumption of CO2.

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

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• 2018
  • 2018-02-14 DE DE102018103245.5A patent/DE102018103245A1/de not_active Withdrawn
  • 2018-11-15 US US16/764,933 patent/US11167747B2/en active Active
  • 2018-11-15 KR KR1020207002856A patent/KR20200088796A/ko not_active Application Discontinuation
  • 2018-11-15 WO PCT/DE2018/100932 patent/WO2019105504A1/de unknown
  • 2018-11-15 CN CN201880076603.6A patent/CN111405997A/zh active Pending
  • 2018-11-15 EP EP18814484.4A patent/EP3717291A1/de not_active Withdrawn

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