DE102009025094A1 - Gear unit utilized as electrical auxiliary unit for multi-speed gearbox of motor vehicle, has input element and multi-speed gearbox including gear branches and common output element - Google Patents
Gear unit utilized as electrical auxiliary unit for multi-speed gearbox of motor vehicle, has input element and multi-speed gearbox including gear branches and common output element Download PDFInfo
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- DE102009025094A1 DE102009025094A1 DE102009025094A DE102009025094A DE102009025094A1 DE 102009025094 A1 DE102009025094 A1 DE 102009025094A1 DE 102009025094 A DE102009025094 A DE 102009025094A DE 102009025094 A DE102009025094 A DE 102009025094A DE 102009025094 A1 DE102009025094 A1 DE 102009025094A1
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- gear
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- transmission
- planetary gear
- transmission branch
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
- B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
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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
- B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
- B60W20/13—Controlling the power contribution of each of the prime movers to meet required power demand in order to stay within battery power input or output limits; in order to prevent overcharging or battery depletion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/44—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 ; 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/50—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
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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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
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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
- 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
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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
- 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
- B60W10/113—Stepped gearings with two input flow paths, e.g. double clutch transmission selection of one of the torque flow paths by the corresponding input clutch
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/421—Speed
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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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- 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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/08—Electric propulsion units
- B60W2710/081—Speed
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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
- F16H37/10—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 at both ends of intermediate shafts
- F16H2037/103—Power split variators with each end of the CVT connected or connectable to a Ravigneaux set
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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
- F16H3/006—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion power being selectively transmitted by either one of the parallel flow paths
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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
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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
- Y02T10/64—Electric machine technologies in electromobility
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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)
- Structure Of Transmissions (AREA)
Abstract
Description
Die Erfindung betrifft eine Getriebeeinheit für ein Kraftfahrzeug, mit einem Eingangselement und einem Wechselgetriebe, wobei das Wechselgetriebe einen ersten Getriebezweig, einen zweiten Getriebezweig und ein gemeinsames Ausgangselement aufweist. Das Eingangselement der Getriebeeinheit ist typischerweise mit einer Verbrennungskraftmaschine antriebsverbunden. Das Ausgangselement des Wechselgetriebes ist üblicherweise mit einem Antriebsstrang des Kraftfahrzeugs antriebsverbunden, beispielsweise mit einem Differentialgetriebe der Vorderachse oder der Hinterachse. Sofern aufgrund eines jeweiligen Gangstufenwechsels innerhalb des Wechselgetriebes ein über das Eingangselement eingeleitetes Antriebsmoment abwechselnd über den ersten Getriebezweig und den zweiten Getriebezweig geführt wird, gestattet eine derartige Getriebeeinheit ein im Wesentlichen zugkraftunterbrechungsfreies Schalten. Sofern den beiden Getriebezweigen hierfür eine jeweilige Reibungskupplung zugeordnet ist, sind derartige Getriebeeinheiten als Doppelkupplungsgetriebe bekannt. Die Erfindung betrifft ferner eine elektrische Ergänzungseinheit für ein Wechselgetriebe eines Kraftfahrzeugs, wobei das Wechselgetriebe einen ersten Getriebezweig, einen zweiten Getriebezweig und ein gemeinsames Ausgangselement aufweist.The The invention relates to a transmission unit for a motor vehicle, with a Input element and a change gear, wherein the change gear one first transmission branch, a second transmission branch and a common Output element has. The input element of the gear unit is typically drive-connected to an internal combustion engine. The output element of the transmission is usually with a drive train the motor vehicle connected, for example with a differential gear the front axle or the rear axle. If due to a respective Gear stage change within the gearbox via the Input element initiated drive torque alternately over the first Transmission branch and the second transmission branch is guided, allows such Transmission unit a substantially traction interruption-free Switching. If the two transmission branches for this purpose a respective Friction clutch is assigned, such transmission units known as dual-clutch transmission. The invention further relates to a electrical supplementary unit for a Change gear of a motor vehicle, wherein the change gear a first transmission branch, a second transmission branch and a has common output element.
Es ist eine Aufgabe der Erfindung, eine Getriebeeinheit der genannten Art zu schaffen, die einen höheren Wirkungsgrad und eine verbesserte Flexibilität hinsichtlich des Antriebs ermöglicht. Es ist eine weitere Aufgabe der Erfindung, eine Ergänzungseinheit für ein Wechselgetriebe der genannten Art zu schaffen, die einen höheren Wirkungsgrad und eine verbesserte Flexibilität hinsichtlich des Antriebs ermöglicht.It is an object of the invention, a transmission unit of said Kind of creating a higher one Efficiency and improved drive flexibility allows. It is a further object of the invention to provide a supplemental unit for a Change gear of the type mentioned to create a higher efficiency and improved flexibility regarding the drive.
Die genannte Aufgabe wird durch eine Getriebeeinheit mit den Merkmalen des Anspruchs 1 gelöst, und insbesondere dadurch, dass die Getriebeeinheit ferner ein wenigstens dreigliedriges Planetengetriebe, eine erste elektrische Maschine und eine zweite elektrische Maschine aufweist, wobei ein erstes Glied des Planetengetriebes mit dem Eingangselement der Getriebeeinheit antriebsverbunden ist, ein zweites Glied des Planetengetriebes mit der ersten elektrischen Maschine und dem ersten Getriebezweig antriebsverbunden ist, und ein drittes Glied des Planetengetriebes mit der zweiten elektrischen Maschine und dem zweiten Getriebezweig antriebsverbunden ist.The This object is achieved by a transmission unit with the features of claim 1 solved, and in particular in that the transmission unit further comprises at least one Tripartite planetary gear, a first electric machine and a second electric machine, wherein a first Member of the planetary gear with the input element of the transmission unit is drivingly connected, a second member of the planetary gear with the first electric machine and the first transmission branch drivingly connected is, and a third member of the planetary gear with the second electric machine and the second transmission branch drivingly connected is.
Die Getriebeeinheit bildet ein elektrisches Doppelkupplungsgetriebe (”electrical dual transmission”, EDT). Das Planetengetriebe dient als Summier- und/oder Verzweigungsgetriebe, um das über das Eingangselement und/oder von den beiden elektrischen Maschinen abgegebene Antriebsmoment wahlweise auf einen oder beide der zwei Getriebezweige des Wechselgetriebes zu leiten. Durch die Kopplung der beiden Getriebezweige mit zwei elektrischen Maschinen werden bei einem Gangstufenwechsel eine verbesserte Anpassung der Drehzahl und somit ein zugkraftunterbrechungsfreier Schaltvorgang mit einem erhöhten Wirkungsgrad erreicht (”electric variable transmission”, EVT). Zwischen den Schaltvorgängen kann das Antriebsmoment allein von einer mit dem Eingangselement gekoppelten Verbrennungskraftmaschine aufgebracht werden. Die beiden elektrischen Maschinen gestatten jedoch auch eine Unterstützung des Antriebs, d. h. sie ermöglichen das Einleiten eines Antriebsmoments zusätzlich oder alternativ zu dem Antriebsmoment einer mit dem Eingangselement gekoppelten Verbrennungskraftmaschine (”Boost”-Funktion bzw. rein elektrisches Fahren bei einer ”Voll-Hybrid”-Auslegung der elektrischen Maschinen). Sofern die elektrischen Maschinen als Motoren- Generatoren ausgebildet sind, ist ferner die Rückgewinnung von Energie möglich (Rekuperation durch generatorisches Bremsen). Eine derartige Getriebeeinheit zeichnet sich weiterhin durch einen einfachen Aufbau aus, da zusätzlich zu einer Trennkupplung am Eingangselement keine Reibungskupplungen erforderlich sind. Innerhalb des Wechselgetriebes können mechanische Synchronisiereinrichtungen entfallen, d. h. es können einfache Klauenkupplungen zum Einsatz gelangen.The Gear unit forms an electric double clutch transmission ( "Electrical dual transmission ", EDT). The planetary gear serves as summing and / or branching gear, about that Input element and / or delivered by the two electrical machines Drive torque optionally on one or both of the two transmission branches to lead the exchange gear. By coupling the two transmission branches with two electric machines are changing gears an improved adaptation of the speed and thus a zugkraftunterbrechungsfreier Switching operation with an increased Efficiency achieved ("electric variable transmission ", EVT). Between the switching operations can drive torque alone from one with the input element coupled internal combustion engine are applied. The two However, electric machines also allow support of the Drive, d. H. they allow the introduction of a drive torque in addition to or as an alternative to Drive torque of a coupled to the input member internal combustion engine ( "Boost" function or purely electric driving in a "full hybrid" design the electrical machines). Unless the electrical machines as Engine generators are formed, the recovery of energy is also possible (recuperation by regenerative braking). Such a transmission unit draws continues to be characterized by a simple structure, in addition to a separating clutch on the input element no friction clutches required are. Within the transmission, mechanical Synchronizers omitted, d. H. it can be simple jaw clutches to be used.
Gemäß einer vorteilhaften Ausführungsform ist die erste elektrische Maschine mit einer Vorgelegewelle des ersten Getriebezweigs drehfest verbunden, und die zweite elektrische Maschine ist mit einer Vorgelegewelle des zweiten Getriebezweigs drehfest verbunden. Hierdurch ergibt sich ein hoher Wirkungsgrad, da zwischen der jeweiligen elektrischen Maschine und der zugeordneten Vorgelegewelle keine zusätzliche Zahnradstufe erforderlich ist. Bei dieser Ausführungsform sind die genannten Vorgelegewellen vorzugsweise achsparallel zueinander und auch achsparallel zu einer Ausgangswelle des Wechselgetriebes angeordnet, welche das gemeinsame Ausgangselement antreibt.According to one advantageous embodiment the first electric machine with a countershaft of the first Transmission branch rotatably connected, and the second electric machine is rotatably connected to a countershaft of the second transmission branch. This results in a high efficiency, since between the respective electric machine and the assigned countershaft no additional Gear stage is required. In this embodiment, the mentioned Countershafts preferably axially parallel to each other and also parallel to the axis arranged to an output shaft of the transmission, which the common output element drives.
Alternativ hierzu ist es jedoch grundsätzlich auch möglich, dass der erste Getriebezweig eine erste Vorgelegewelle aufweist und der zweite Getriebezweig eine zweite Vorgelegewelle aufweist, wobei die beiden Vorgelegewellen koaxial zueinander und achsparallel zu einer Ausgangswelle des Wechselgetriebes angeordnet sind, welche das gemeinsame Ausgangselement antreibt.alternative but in principle it is also possible, the first transmission branch has a first countershaft and the second transmission branch has a second countershaft, wherein the two countershafts coaxial with each other and axially parallel are arranged to an output shaft of the transmission, which drives the common output element.
Gemäß einer weiteren Ausführungsform weist das erste Glied des Planetengetriebes ein Hohlrad auf, wobei das zweite Glied des Planetengetriebes einen Planetenträger mit wenigstens einem Planetenrad aufweist, und wobei das dritte Glied des Planetengetriebes ein Sonnenrad aufweist, wo bei das wenigstens eine Planetenrad mit dem Hohlrad kämmt und mit dem Sonnenrad kämmt oder drehwirksam gekoppelt ist (insbesondere über ein weiteres Planetenrad).According to a further embodiment, the first member of the planetary gear on a ring gear, wherein the second member of the planetary gear planet carrier having at least one Has planetary gear, and wherein the third member of the planetary gear has a sun gear, where in the at least one planet gear meshes with the ring gear and meshes with the sun gear or is coupled rotationally effective (in particular via another planetary gear).
Die genannte weitere Aufgabe wird durch eine elektrische Ergänzungseinheit für ein Wechselgetriebe mit den Merkmalen des Anspruchs 5 gelöst, und insbesondere dadurch, dass die Ergänzungseinheit ein Eingangselement, ein wenigstens dreigliedriges Planetengetriebe, eine erste elektrische Maschine und eine zweite elektrische Maschine aufweist, wobei ein erstes Glied des Planetengetriebes mit dem Eingangselement der Ergänzungseinheit antriebsverbunden ist, ein zweites Glied des Planetengetriebes mit der ersten elektrischen Maschine und einem ersten Anschlusselement der Ergänzungseinheit antriebsverbunden ist, und ein drittes Glied des Planetengetriebes mit der zweiten elektrischen Maschine und einem zweiten Anschlusselement der Ergänzungseinheit antriebsverbunden ist.The said further object is achieved by an electrical supplementary unit for a Change gear with the features of claim 5 solved, and in particular in that the supplementary unit is an input element, an at least three-membered planetary gear, a first electrical Machine and a second electric machine, wherein a first member of the planetary gear with the input element of the supplementary unit is drivingly connected, a second member of the planetary gear with the first electric machine and a first connection element the supplementary unit is drivingly connected, and a third member of the planetary gear with the second electric machine and a second connection element the supplementary unit is drive connected.
Eine derartige Ergänzungseinheit ermöglicht eine Elektrifizierung des Wechselgetriebes eines herkömmlichen Doppelkupplungsgetriebes. Hierfür werden das erste Anschlusselement und das zweite Anschlusselement der Ergänzungseinheit mit dem ersten Getriebezweig bzw. dem zweiten Getriebezweig des Wechselgetriebes antriebswirksam verbunden (insbesondere drehfest gekoppelt). Somit wird ein Baukastensystem gebildet, bei dem ein Wechselgetriebe-Subsystem eines Doppelkupplungsgetriebes wahlweise mit der genannten elektrischen Ergänzungseinheit oder mit einer herkömmlichen, mechanischen Doppelkupplungseinheit kombiniert wird. Ein besonders einfacher Aufbau ergibt sich hierbei, wenn das erste Anschlusselement und das zweite Anschlusselement der Ergänzungseinheit koaxial zueinander drehbar sind, für eine koaxiale Anordnung der beiden Getriebezweige des zugeordneten Wechselgetriebes.A such supplementary unit allows one Electrification of the transmission of a conventional dual-clutch transmission. Therefor become the first connection element and the second connection element the supplementary unit with the first transmission branch or the second transmission branch of the Change gear drive connected (in particular rotationally fixed coupled). Thus, a modular system is formed in which a Change gear subsystem of a dual-clutch gearbox optionally with said electrical supplementary unit or with a usual, mechanical double clutch unit is combined. A special simple structure results here, when the first connection element and the second connection element of the supplementary unit coaxial with each other are rotatable, for a coaxial arrangement of the two transmission branches of the associated Change gear.
Im Übrigen sind für die genannte elektrische Ergänzungseinheit dieselben Ausführungsformen möglich und es können dieselben Vorteile erzielt werden, wie vorstehend im Zusammenhang mit der Getriebeeinheit erläutert.Incidentally, are for the called electrical supplementary unit the same embodiments possible and it can the same advantages as mentioned above explained with the gear unit.
Die Erfindung wird nachfolgend lediglich beispielhaft unter Bezugnahme auf die Zeichnungen beschrieben.The The invention will now be described by way of example only described on the drawings.
Die
in
Die
erste Vorgelegewelle
In
Kraftflussrichtung zwischen dem Eingangselement
Eine
erste elektrische Maschine
Durch
das Zwischenschalten des Planetengetriebes
Ein
Unterschied zu der ersten Ausführungsform
gemäß
Ein
weiterer Unterschied zu der ersten Ausführungsform gemäß
Eine
derartige elektrische Ergänzungseinheit
- 1111
- Eingangselementinput element
- 1313
- Trennkupplungseparating clutch
- 1515
- VerbrennungskraftmaschineInternal combustion engine
- 1717
- Wechselgetriebechange gear
- 1919
- erster Getriebezweigfirst transmission branch
- 2121
- erste Vorgelegewellefirst Countershaft
- 2323
- zweiter Getriebezweigsecond transmission branch
- 2525
- zweite Vorgelegewellesecond Countershaft
- 2727
- Ausgangswelleoutput shaft
- 2929
- Ausgangselementoutput element
- 3131
- Differentialgetriebedifferential gear
- 3333
- Planetengetriebeplanetary gear
- 3535
- Hohlradring gear
- 3737
- Planetenträgerplanet carrier
- 3939
- erstes Planetenradfirst planet
- 4141
- zweites Planetenradsecond planet
- 4343
- Stirnradstufespur gear
- 43'43 '
- Stirnradstufespur gear
- 4545
- Sonnenradsun
- 4747
- Stirnradstufespur gear
- 5151
- erste elektrische Maschinefirst electric machine
- 5353
- zweite elektrische Maschinesecond electric machine
- 6161
- elektrische Ergänzungseinheitelectrical supplementary unit
- 6363
- Anschlusselementconnecting element
- 6565
- erstes Anschlusselementfirst connecting element
- 6767
- zweites Anschlusselementsecond connecting element
Claims (12)
Priority Applications (1)
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DE102009025094A DE102009025094A1 (en) | 2009-06-16 | 2009-06-16 | Gear unit utilized as electrical auxiliary unit for multi-speed gearbox of motor vehicle, has input element and multi-speed gearbox including gear branches and common output element |
Applications Claiming Priority (1)
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DE102009025094A DE102009025094A1 (en) | 2009-06-16 | 2009-06-16 | Gear unit utilized as electrical auxiliary unit for multi-speed gearbox of motor vehicle, has input element and multi-speed gearbox including gear branches and common output element |
Publications (1)
Publication Number | Publication Date |
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DE102009025094A1 true DE102009025094A1 (en) | 2010-12-23 |
Family
ID=43122928
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DE102009025094A Withdrawn DE102009025094A1 (en) | 2009-06-16 | 2009-06-16 | Gear unit utilized as electrical auxiliary unit for multi-speed gearbox of motor vehicle, has input element and multi-speed gearbox including gear branches and common output element |
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CN109080428A (en) * | 2017-06-13 | 2018-12-25 | 郑州宇通客车股份有限公司 | A kind of series-parallel hybrid electric system and the vehicle including the hybrid power system |
CN109080437A (en) * | 2017-06-13 | 2018-12-25 | 郑州宇通客车股份有限公司 | A kind of hybrid vehicle and its hybrid power system |
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DE102020131911B4 (en) | 2020-12-02 | 2024-06-13 | Audi Aktiengesellschaft | Hybrid drivetrain for a hybrid-powered vehicle |
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