WO2010004007A2 - Hybridantriebsstrang für ein kraftfahrzeug - Google Patents
Hybridantriebsstrang für ein kraftfahrzeug Download PDFInfo
- Publication number
- WO2010004007A2 WO2010004007A2 PCT/EP2009/058760 EP2009058760W WO2010004007A2 WO 2010004007 A2 WO2010004007 A2 WO 2010004007A2 EP 2009058760 W EP2009058760 W EP 2009058760W WO 2010004007 A2 WO2010004007 A2 WO 2010004007A2
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- WO
- WIPO (PCT)
- Prior art keywords
- gear
- combustion engine
- internal combustion
- transmission
- drive unit
- 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.)
- Ceased
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- 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 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 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
- B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- 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
- 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 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/44—Series-parallel type
- B60K6/445—Differential gearing distribution type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- 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 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
- 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
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
-
- 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
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
- B60W10/11—Stepped gearings
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
- F16H3/727—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path
- F16H3/728—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path with means to change ratio in the mechanical gearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
-
- 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
- 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 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/26—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 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 motors or the generators
- B60K2006/268—Electric drive motor starts the engine, i.e. used as starter motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
- F16H37/0833—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths
- F16H37/084—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths at least one power path being a continuously variable transmission, i.e. CVT
- F16H2037/0866—Power-split transmissions with distributing differentials, with the output of the CVT connected or connectable to the output shaft
- F16H2037/0873—Power-split transmissions with distributing differentials, with the output of the CVT connected or connectable to the output shaft with switching means, e.g. to change ranges
-
- 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
- F16H2200/0008—Transmissions for multiple ratios specially adapted for front-wheel-driven vehicles
-
- 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
- F16H2200/0039—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising three forward speeds
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
- F16H2200/2005—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with one sets of orbital gears
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- 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 of a vehicle, in particular a motor vehicle, with a drive system, with an internal combustion engine and a first electric auxiliary drive unit, and a drive system downstream transmission for controllable speed and torque distribution of the drive power to an output shaft.
- the planetary gear can be used in various embodiments.
- the planetary gear may have a structure with a sun gear, various arranged on a planet carrier planetary gears and a ring gear.
- the planetary gear could for example have two sun gears or two ring gears each in conjunction with a planet carrier and so-called double planetary gears.
- the invention may have a structure with a sun gear, various arranged on a planet carrier planetary gears and a ring gear.
- the planetary gear could for example have two sun gears or two ring gears each in conjunction with a planet carrier and so-called double planetary gears.
- Hybrid powertrain allows this in several operating points a direct mechanical drive of the internal combustion engine to the output shaft or to be driven axle. Because in such Operating points no electrical power shift, ie no conversion of mechanical energy into electrical energy takes place, similar to conventional, in particular purely mechanical, transmissions very good efficiency can be achieved. According to a particular embodiment of the invention
- Hybrid powertrain allows this by an appropriate control of the transmission used optimal utilization of the operating points of the internal combustion engine.
- the transmission is controlled so that the rotational speed of the transmission and / or the load acting on the internal combustion engine are adapted to the optimal operating points of the internal combustion engine.
- a reduction in fuel consumption is possible in that the drive systems are operated in their optimal or at least optimized operating points, ie at operating points of the drive system guarantee a good efficiency.
- the optimum operating point of the drive system depends on the optimum operating points of the components of the drive system.
- Hybrid powertrain operated so that the output shaft is operated either by one of the electric auxiliary drive units of the drive system, in the sense of an electric driving, or by a direct drive of the internal combustion engine, in the sense of a direct mechanical gear.
- the hybrid powertrain according to the invention proves to be particularly cost-effective, since a starting clutch can be omitted.
- the internal combustion engine via the direct power path with at least one in the order of the gear ratios straight gear stage of the transmission rotatably and not separable connected to the internal combustion engine, optionally via a dual mass flywheel.
- the internal combustion engine via the direct power path with at least one straight in the order of the gear ratios gear ratio of the transmission without intermediate starting clutch, in particular friction clutch connected.
- the hybrid powertrain according to the invention proves to be particularly cost-effective, since, by the use of electric auxiliary drive units, a smaller internal combustion engine, so an internal combustion engine with power can be used. By this measure, the weight of the drive system can be further reduced.
- the hybrid powertrain according to the invention proves to be particularly cost-effective, since the function of a starter and the function of a generator can be integrated into the transmission.
- the first and the second gearbox unit are independently operable.
- the first transmission unit is adapted to shift between a first neutral position, a first short transmission ratio and a first long transmission ratio and the second transmission ratio unit for shifting between a second neutral position, a second short transmission ratio and a second long transmission ratio.
- the third component of the planetary gear on the one hand with the first short and / or first long gear ratio and on the other hand with the coupled second short and / or second long gear ratio.
- the first and / or second coupling device is designed as a positive coupling device, in particular as a dog clutch.
- the synchronization of the various gears of the transmission by an electric auxiliary drive unit in particular the first electric auxiliary drive unit.
- the coupling devices can be designed as simple jaw clutches.
- synchronized clutches may be used for one or more of the clutch devices.
- the first electric auxiliary drive unit is operative with a first of the two gears of the planetary gear, in particular the sun gear, the internal combustion engine acting with the planet carrier of the planetary gear and the first and the second gearbox unit acting with a second of the two gears of the planetary gear, in particular connected to the ring gear.
- a second electric auxiliary drive unit is provided, which is connected via the first and / or second gearbox unit with the planetary gear and a direct mechanical power path to the output shaft.
- the first and / or the second electrical auxiliary drive unit is / are arranged so that it can be operated as a generator.
- the direct power path of the internal combustion engine is connected by bridging the planetary gear directly to the first transmission.
- the invention is characterized by a method according to claim 13.
- the internal combustion engine via the direct power path with at least one in the order of the gear ratios straight gear ratio of the transmission rotatably and not separable connected to the internal combustion engine, optionally via a dual mass flywheel.
- the internal combustion engine via the direct power path with at least one in the order of the gear ratios straight gear stage of the transmission without intermediate starting clutch, in particular friction clutch connected.
- the first electrical auxiliary drive unit and the third component synchronize the first and second gearboxes.
- the direct power path is set up as a function of the selected mechanical gear via the first and / or second gearbox.
- the internal combustion engine is directly, that is, bypassing the planetary gear, operatively connected to the input member of the first coupling device.
- the first and / or the second gearbox unit is / are adapted to switch between a neutral position, a first gear ratio and a second gear ratio.
- Fig. 1 is a schematicêtssskizze a possible arrangement of the inventive hybrid drive train
- FIG. 1 Shown in FIG. 1 is a preferred embodiment of the hybrid powertrain of a vehicle having a drive system 1 that includes a transversely arranged internal combustion engine 3.
- an output shaft 2 is aligned parallel to the drive axle of the vehicle and the arrangement of the internal combustion engine 3 in the transverse direction relates to the longitudinal axis (not shown) of the vehicle.
- the internal combustion engine 3 is coupled by means of a motor output shaft 4 with a planetary gear 5 in such a way that the motor output shaft 4 is rotatably connected to the planet carrier 6 of the planetary gear 5.
- the sun gear 7 of the planetary gear 5 is connected to a first electric auxiliary drive unit 8 (EMI), which is designed as an electric motor or electric motor / generator, and thus used for delivering mechanical power, in particular a torque, as well as for generating electrical energy can be.
- EMI electric auxiliary drive unit 8
- the ring gear 9 of the planetary gear 5 is connected via a first transmission shaft 10 with a first auxiliary drive unit 8 (EMI), which is designed as an electric motor or electric motor / generator, and thus used for delivering mechanical power, in particular a torque, as well as for generating electrical energy can be.
- EMI electric auxiliary drive unit 8
- Gearbox unit 11 is connected, which has a first coupling device 12.
- the first coupling device 12 itself is in the form of a dog clutch, with a first input member 13, a first translate short output member 14 and a first long translate output member 15.
- the first input member 13 has, for example, on two sides corresponding claws, wherein by moving the input member 13 is a positive contact of the jaws on the input member 13 with the corresponding jaws on the first short-translated output member 14 or the corresponding jaws on the first long translated output member 15 can be produced.
- a neutral position 16 of the input member 14 between the two first output members 14, 15 is possible without the production of a positive contact, which is otherwise shown in Fig. 1.
- FIG. 1 As can also be seen from FIG.
- the motor output shaft 4 is coupled in a rotationally fixed manner to the first input member 14.
- the first short-translated output member 14 is rotatably mounted on the engine output shaft 4 and the first long-translated output member 15 rotatably connected to the first transmission shaft 10 and via this with the ring gear 9 of the planetary gear 5.
- the first short-translated output member 14 and the first long-translated output member 15 are each formed as gears, in particular as spur gears.
- a further first gear, in particular spur gear, 17 is provided which is non-rotatably connected to the first gear shaft 10 and rotatably connected thereto with the ring gear 9 of the planetary gear 5.
- the internal combustion engine is operatively connected to the ring gear 9 and the first transmission unit 11 via the first transmission shaft 10 with the planet carrier 6 of the planetary gear 5.
- the first electric auxiliary drive unit 8 would accordingly be operatively coupled to the sun gear 7 of the planetary gear 5.
- a second transmission shaft 18 is provided which is non-rotatably connected to a second input member 19 of a second clutch device 20 of a second gearbox unit 21.
- the second coupling device 20 is also in the form of a
- Claw clutch executed and has, in addition to the second input member 19, a second long-translated output member 22 and a second short-translated output member 23.
- the second input member 19 has for this purpose on two (two) sides corresponding claws, whereby by moving the second input member 19, a positive contact with the corresponding jaws on the second long-translated output member 22 or the second short-translated output member 23 can be produced.
- a neutral position 24 of the second input member 19 between the two second output members 22,23 possible without a corresponding positive contact with one of the two output members. This neutral position 24 is otherwise shown in Fig. 1.
- the second transmission shaft 18 is rotatably connected to the second input member 19, while the second long-translated output member 22 and the second short-translated output member 23 are rotatably mounted on the second transmission shaft 18.
- the second long-translated output member 22 and the second short-translated output member 23 are each formed as gears, in particular spur gears.
- a second gear 25, in particular a spur gear, as well as a third gear 26, in particular a spur gear are provided which are both non-rotatably connected to the second gear shaft 18.
- a second electric auxiliary drive unit 29 is coupled to the second gear shaft 18 via a fourth gear 27, in particular a spur gear, and via a third gear shaft 28.
- the output shaft 2 is, for example, as shown, as part of a differential 31 executed.
- a flywheel for example, a dual-mass flywheel, as disclosed in US 5,856,709.
- the implementation of the invention of FIG. 1 allows nine different modes of operation.
- a first operating mode the first input member 13 of the first clutch means 12 is coupled by disengagement with the first short-translated output member 14 and the second input member 19 of the second clutch means 20 by disengagement with the second long-translated output member 22.
- the second and the third gear of the transmission are engaged.
- the drive torque can be moved as desired for 2nd or 3rd gear, whereby an interpretation of each unloaded gear is possible and the transmission can be operated either in 2nd or 3rd gear.
- This switching position is therefore primarily in the Circuit from 2nd to 3rd gear or from 3rd to 2nd gear temporarily occur.
- a purely mechanical dual-clutch transmission is carried out in the illustrated embodiment by a combined mechanical and electrical varnishverze Trent no interruption in traction when switching between gears.
- Hybrid powertrain is possible. If no supporting torque is applied when the second gear is engaged via the first electric auxiliary drive unit 8, the third gear, which is also engaged, runs in the transmission without load and causes no appreciable power losses.
- the first mode of operation is functionally the same as the second mode of operation (see the following discussion of the same).
- the full power of the internal combustion engine can be transmitted mechanically, that is to say without electrical power branching.
- power branching is understood in particular to mean the conversion of a part of the mechanical energy into electrical energy and a subsequent reconversion of at least a part of this electrical energy into mechanical energy.
- Such a conversion can be delayed in time, for example, by intermediate storage of electrical energy in an energy storage, in particular in a battery, take place.
- the first input member 13 of the first clutch device 12 is coupled by appropriate disengagement with the short-translated output member 14 and the second input member 19 is positioned in its neutral position 24.
- the transmission is thus operated in 2nd gear.
- the Hybrid driveline on a so-called rigid mechanical drive of the internal combustion engine 3 to the output shaft 2, whereby no electrical power losses occur and thus a particularly efficient operation of the hybrid powertrain is possible.
- the odd gear can be synchronized in a simple and efficient manner when changing from a straight to an odd gear. For example, starting from the second operating mode, ie from 2nd gear, over the first
- Planetary gear 5 the first gear shaft 10 and the first long-translated output member 15, the second long-translated output member 22 to a speed corresponding to the current speed of the second transmission shaft 18.
- the second clutch means 20 between the second long-translated output member 22 and the second input member 19 is closed, whereby a transition to the first operating mode.
- a third operating mode of the transmission the second and the first gear of the transmission are simultaneously inserted according to the configuration of the transmission.
- the drive torque can be moved as desired to the 2nd or 1st gear, whereby an interpretation of each unloaded gear is possible.
- the third mode of operation will occur primarily when switching between 1st and 2nd gear.
- a direct mechanical drive through the internal combustion engine is possible for downforce via the second gear.
- the first input member 13 is in the neutral position 16.
- the second input member 19 is coupled by corresponding disengagement of the second clutch means 20 with the second long-translated output member 22.
- driving in the 3rd gear of the transmission is possible.
- the power is transmitted via a support by the first electric auxiliary drive unit 8.
- the first electric auxiliary drive unit 8 can be done in this way, an adjustment of the speed of the internal combustion engine 3 to the desired output speed of the drive train.
- a linear relationship between the rotational speed of the internal combustion engine and the first electrical results at a given output speed on the geometric relationships of the selected planetary gear set
- each speed of the internal combustion engine is assigned a speed of the first electric auxiliary drive unit 8 at a given output speed.
- the possible speed combinations are on the one hand by limiting speeds and on the other hand by the possible
- the first input member 13 is positioned in the neutral position 16 and the second input member 19 in its neutral position 24.
- an electric driving of the vehicle or an electrical operation of the hybrid drive train and / or the operation of the transmission as an electrical return gear are possible.
- the drive is done via the second electrical (additional) drive unit 29.
- the energy for the operation of the second electric auxiliary drive unit For example, for "purely" electric driving is provided from an energy storage, in particular a suitable battery (not shown).
- the first input member 13 is in the neutral position 16.
- the second input member 19 of the second clutch device 20 is coupled by appropriate disengagement with the second short-translated output member 23.
- a start of the vehicle without a clutch is possible in the sixth operating mode.
- the first electric auxiliary drive unit 8 in particular the electric motor / generator unit (EMI).
- EMI electric motor / generator unit
- the torque increases at the first transmission shaft 10 (transmission input shaft to 1st gear), whereby a start without clutch can be realized.
- Additional drive unit 29 can be used, which can be operated, for example, with the obtained at the first electric auxiliary drive unit 8 electrical energy. In this way, an additional, generated by the second electric auxiliary drive unit 29, drive torque for starting the vehicle can be provided. In this case, for example, the energy regeneratively generated by the electric auxiliary drive unit 8 can be supplied to the second electric auxiliary drive unit 29.
- the sixth operating mode according to the embodiment of the transmission, the first gear of the transmission is engaged.
- an adaptation of the rotational speed of the internal combustion engine 3 is possible in the sixth operating mode by the first electric auxiliary drive unit 8.
- a seventh mode of operation the first input member 13 of the first clutch device 12 coupled by appropriate disengagement via the long translated output member 15 to the transmission shaft 10, wherein the planetary gear set blocked and the electric auxiliary drive unit 8 is directly coupled to the internal combustion engine 3. Furthermore, the second input member 19 of the second clutch device 20 is coupled by appropriate disengagement with the second long-translated output member 22.
- the hybrid powertrain has a so-called rigid drive of the internal combustion engine 3 to the output shaft 2 in 3rd gear, whereby the power losses are minimized and a particularly efficient operation of the hybrid powertrain is possible.
- the seventh operating mode according to the configuration of the transmission, the third gear of the transmission is engaged, and realizes a rigid drive in the upper speed range ("highway mode").
- the first input member 13 of the first clutch means 12 is coupled by appropriate disengagement over long translated output member 15 with the first transmission shaft 10, wherein the planetary gear set blocked by connecting ring gear and planet carrier and thus the electric
- Additional drive unit 8 is directly coupled to the internal combustion engine 3. Furthermore, the second input member 19 is positioned in its neutral position 24.
- the planetary gear 5 is blocked or blocked for starting the internal combustion engine 3, so that the internal combustion engine by the first electric auxiliary drive unit 8 (EMI) can be started. It will by the switching position of the first clutch device 12, the ring gear 9 rigidly connected to the planet carrier 6 and the planetary gear set 5 blocks it. Subsequently, the first electric auxiliary drive unit 8 (EMI) is brought to speed, wherein the first electric auxiliary drive unit 8, the internal combustion engine 3 rotates and starts.
- EMI first electric auxiliary drive unit 8
- the return or reverse gear is made possible by an electric motor by the second electric auxiliary drive unit 29 (EM2).
- the second electric auxiliary drive unit 29 is operated by the motor with the corresponding direction of rotation.
- the energy for the operation is either driven by an energy storage or in blocked planetary gear 5 by operation of the first electric auxiliary drive unit 8 (EMI) as a generator via the internal combustion engine 3.
- the first input member 13 of the first clutch device 12 is coupled by appropriate disengagement via the long-translated output member 15 with the first transmission shaft 10 and the second input member 19 of the second clutch means 20 by corresponding disengagement with the second short-translated output member 23.
- the planetary gearset 5 is blocked by connecting the ring gear and planetary carrier, i. the first electric auxiliary drive unit 8 is fixedly coupled to the internal combustion engine 8.
- the hybrid drive train has a so-called rigid drive of the internal combustion engine 3 to the output shaft 2, whereby the power losses are minimized and a particularly efficient operation of the hybrid powertrain is possible.
- the first gear of the transmission is engaged, thus realizing a rigid drive in the lower speed range ("city mode").
- both the first and / or second electrical auxiliary drive units 8, 29 provide boosting (Support the internal combustion engine 3) as well as a recuperation, so a recovery of electrical energy, if at least one of the electrical auxiliary drive units 8,29 operated as a generator possible.
- boosting or recuperation is possible in all modes of operation apart from the fifth mode of operation.
- additional torque is introduced via the first or the second electric drive unit 8, 29.
- the additional torque can be fed in all 9 operating modes.
- this is only possible if the planetary gear set 5 is closed, so 2 members of the planetary gear set are connected, otherwise, apart from operating modes with a direct mechanical drive, the first electric auxiliary drive unit 8 for supporting the
- Additional drive unit 8 and the internal combustion engine 3 via the selected shift position or the selected gear and the driving speed of a vehicle specified. It follows that the power of the electric auxiliary drive unit 8, as a function of the required power of the internal combustion engine 3, is also predetermined and the electrical
- Additional drive unit 8 in this gear or operating mode can not be used arbitrarily for boosting and / or Rekuper Schl the torque or power.
- a predetermined power is picked up by the electric auxiliary drive unit 8 or emitted as a generator and thus either the second electric auxiliary drive unit 29 ("electrical power path") or an electrical energy store (not shown), in particular one Battery, withdrawn and / or supplied.
- the hybrid powertrain according to the invention has a planetary drive 5 with an electric motor 8 arranged on the sun gear 7 of the planetary drive, the electric motor acting as a starting element and / or for synchronizing the gearbox units 11, 21 of the hybrid drive train, in particular the different gear stages of the gearbox units 11 , 21 and / or for variation / adjustment of the rotational speed of the internal combustion engine 3 at certain gears, in particular odd gears, can be used.
- the transmission structure of the hybrid drive train has two independent load paths.
- the second electric auxiliary drive unit 29 is rotatably connected to the output.
- An arrangement as shown in Fig. 1 appears favorable in terms of translation, in particular with regard to the size of the hybrid drive train and the electric motors used.
- With the illustrated embodiment are also an electric driving, a recuperation of electrical energy and a boost, so an increase in torque by the supporting operation of the electric motor, in addition to the operation of the internal combustion engine.
- the subject invention can be carried out at a ratio change from an odd to a straight gear through the, in particular first, electric auxiliary drive unit 8, a synchronization of the gear stages.
- the 2nd gear can be synchronized by the first electric auxiliary drive unit 8.
- a corresponding speed is set at the first electric auxiliary drive unit 8, which ensures that at the first clutch device 12, a speed equality prevails. With equal speed can in this way the 2nd gear in addition to current gear are engaged.
- After adjusting the corresponding moment on the first electric auxiliary drive unit 8 can then be changed without interruption of traction in the 2nd gear and the additional engaged odd gear are designed.
- a direct gear is a direct
- hybrid drive train can be achieved by expanding and / or reduction of the transmission by arranging additional pairs of gears and / or clutches any number of gears, for example, 2, 3, 4, 5, 6, or more mechanical gears.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Hybrid Electric Vehicles (AREA)
- Arrangement Of Transmissions (AREA)
- Structure Of Transmissions (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP09780384A EP2310241A2 (de) | 2008-07-09 | 2009-07-09 | Hybridantriebsstrang für ein kraftfahrzeug |
| US13/003,184 US8535188B2 (en) | 2008-07-09 | 2009-07-09 | Hybrid drive train for a motor vehicle |
| DE112009001640T DE112009001640A5 (de) | 2008-07-09 | 2009-07-09 | Hybridantriebsstrang für ein Kraftfahrzeug |
| CN200980135147.9A CN102149584B (zh) | 2008-07-09 | 2009-07-09 | 用于机动车辆的混合动力传动系统 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008032320A DE102008032320A1 (de) | 2008-07-09 | 2008-07-09 | Hybridantriebsstrang für ein Kraftfahrzeug |
| DE102008032320.9 | 2008-07-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2010004007A2 true WO2010004007A2 (de) | 2010-01-14 |
| WO2010004007A3 WO2010004007A3 (de) | 2010-06-24 |
Family
ID=41381739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2009/058760 Ceased WO2010004007A2 (de) | 2008-07-09 | 2009-07-09 | Hybridantriebsstrang für ein kraftfahrzeug |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8535188B2 (de) |
| EP (1) | EP2310241A2 (de) |
| CN (1) | CN102149584B (de) |
| DE (2) | DE102008032320A1 (de) |
| RU (1) | RU2011104128A (de) |
| WO (1) | WO2010004007A2 (de) |
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| US10083067B1 (en) | 2016-06-29 | 2018-09-25 | EMC IP Holding Company LLC | Thread management in a storage system |
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| DE102011080677A1 (de) * | 2011-08-09 | 2013-02-14 | Zf Friedrichshafen Ag | Getriebevorrichtung mit mehreren Schaltelementen |
| DE102012205319B4 (de) * | 2012-04-02 | 2025-01-02 | Zf Friedrichshafen Ag | Hybridantrieb eines Kraftfahrzeugs |
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|---|---|---|---|---|
| US10083067B1 (en) | 2016-06-29 | 2018-09-25 | EMC IP Holding Company LLC | Thread management in a storage system |
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Also Published As
| Publication number | Publication date |
|---|---|
| DE112009001640A5 (de) | 2011-06-09 |
| RU2011104128A (ru) | 2012-08-20 |
| DE102008032320A1 (de) | 2010-01-14 |
| US8535188B2 (en) | 2013-09-17 |
| US20110143874A1 (en) | 2011-06-16 |
| WO2010004007A3 (de) | 2010-06-24 |
| CN102149584A (zh) | 2011-08-10 |
| CN102149584B (zh) | 2014-12-31 |
| EP2310241A2 (de) | 2011-04-20 |
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