DE102006036758A1 - Motor vehicle automated double clutch transmission has two engine clutches designed as unsynchronized claw clutches, where two electric machines are provided as starter and synchronizer - Google Patents
Motor vehicle automated double clutch transmission has two engine clutches designed as unsynchronized claw clutches, where two electric machines are provided as starter and synchronizer Download PDFInfo
- Publication number
- DE102006036758A1 DE102006036758A1 DE102006036758A DE102006036758A DE102006036758A1 DE 102006036758 A1 DE102006036758 A1 DE 102006036758A1 DE 102006036758 A DE102006036758 A DE 102006036758A DE 102006036758 A DE102006036758 A DE 102006036758A DE 102006036758 A1 DE102006036758 A1 DE 102006036758A1
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- gear
- clutch
- drive
- motor
- electric machine
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- 238000005859 coupling reaction Methods 0.000 claims description 37
- 230000001360 synchronised effect Effects 0.000 claims description 18
- 230000001133 acceleration Effects 0.000 claims description 11
- 238000012546 transfer Methods 0.000 claims description 6
- 230000007935 neutral effect Effects 0.000 claims description 4
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Classifications
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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
- B60W20/40—Controlling the engagement or disengagement of prime movers, e.g. for transition between prime movers
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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
- B60K6/38—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
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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
-
- 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
- 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
- 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
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/18009—Propelling the vehicle related to particular drive situations
- B60W30/18027—Drive off, accelerating from standstill
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/12—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches
- F16H3/126—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches using an electric drive
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
- F16H61/0403—Synchronisation before shifting
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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
- B60K2006/541—Transmission for changing ratio without reverse ratio using instead electric reversing
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/42—Clutches or brakes
- B60Y2400/428—Double clutch arrangements; Dual clutches
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
- F16H61/0403—Synchronisation before shifting
- F16H2061/0422—Synchronisation before shifting by an electric machine, e.g. by accelerating or braking the input shaft
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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
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0052—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising six forward speeds
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/68—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings
- F16H61/684—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings without interruption of drive
- F16H61/688—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings without interruption of drive with two inputs, e.g. selection of one of two torque-flow paths by clutches
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
Description
Die Erfindung betrifft ein automatisiertes Doppelkupplungsgetriebe eines Kraftfahrzeuges, mit zwei koaxial oder achsparallel angeordneten Eingangswellen, mindestens einer achsparallel zu den Eingangswellen angeordneten Abtriebswelle, sowie mit unsynchronisierten Gangkupplungen, wobei jeder der beiden Eingangswellen zur Verbindung mit der Antriebswelle eines Antriebsmotors jeweils eine separate Motorkupplung und zur Verbindung mit der Abtriebswelle des Getriebes jeweils eine Gruppe von unterschiedlich übersetzten Gang-Zahnradsätzen mit jeweils einem Festrad und einem über eine zugeordnete Gangkupplung schaltbaren Losrad zugeordnet sind. Die Erfindung betrifft des Weiteren ein Verfahren zur Steuerung eines derartigen Doppelkupplungsgetriebes.The The invention relates to an automated dual-clutch transmission of a Motor vehicle, arranged with two coaxial or axially parallel Input shafts, at least one axis parallel to the input shafts arranged output shaft, and with unsynchronized gear clutches, wherein each of the two input shafts for connection to the drive shaft a drive motor each have a separate engine clutch and the Connection to the output shaft of the transmission one group each translated from different Gear gear sets with one fixed wheel and one over an associated gear coupling are assigned switchable idler gear. The invention further relates to a method of control such a dual-clutch transmission.
Automatisierte Doppelkupplungsgetriebe sind seit längerem bekannt und können, insbesondere was die Anzahl und die Anordnung der Getriebewellen angeht, geometrisch unterschiedlich ausgebildet sein.automated Double clutch transmissions have been known for some time and can, in particular in terms of the number and arrangement of the gear shafts, geometric be formed differently.
Ein
typischerweise mit koaxial angeordneten Eingangswellen aufgebautes
Doppelkupplungsgetriebe ist beispielsweise in der
Ein ähnlich aufgebautes
Doppelkupplungsgetriebe ist aus der
Aufgrund der synchronisierten Ausbildung der Gangkupplungen ist deren Steuerung aufwendig, da die Schaltvorgänge einerseits schnell ablaufen sollen und andererseits eine Überlastung sowie Beschädigung der Bauteile der Sperrsynchronisierung durch zu hohe Stellkräfte vermieden werden soll. Im Übrigen weist eine synchronisierte Gangkupplung im Vergleich zu einer unsynchronisierten Klauenkupplung einen höheren Fertigungsaufwand sowie größere Abmessungen auf. Ebenfalls unterliegen synchronisierte Gangkupplungen, insbesondere die Synchronreibringe und die Sperrzähne, einem betriebsbedingten Verschleiß, wodurch die Lebensdauer des gesamten Doppelkupplungsgetriebes begrenzt wird.by virtue of the synchronized design of the speed clutches is their control consuming, as the switching operations on the one hand to run fast and on the other hand, an overload as well as damage the components of the locking synchronization avoided by excessive actuating forces shall be. Furthermore has a synchronized speed clutch compared to an unsynchronized one Claw clutch a higher Production costs and larger dimensions on. Also subject to synchronized gear clutches, in particular the synchronizing friction rings and the ratchet teeth, an operational Wear, which limits the life of the entire dual-clutch transmission becomes.
Zudem erfordert die Steuerung der als Reibungskupplungen ausgebildeten Motorkupplungen einen hohen steuerungstechnischen Aufwand, um insbesondere das Schließen der jeweiligen Motorkupplung bei Anfahr- und Schaltvorgängen schnell, komfortabel und verschleißarm durchführen zu können. So unterliegen beispielsweise die Reibbeläge einer Einscheiben-Trockenkupplung einer hohen mechanischen und thermischen Belastung. Zur Einstellung eines bestimmten übertragbaren Drehmomentes der Motorkupplung müssen daher der Verschleißzustand der Reibbeläge, der temperaturabhängige Reibungsbeiwert und wärmedehnungsabhängige Positionierfehler erfasst und bei der Steuerung der Motorkupplung berücksichtigt werden. Durch den reibungsbedingten Verschleiß ist die Lebensdauer einer Trockenkupplung naturgemäß beschränkt.moreover requires the control of trained as a friction clutches Motor clutches a high control engineering effort, in particular the closing the respective motor coupling during start-up and switching operations quickly and comfortably and wear-resistant carry out to be able to. For example, the friction linings are subject to a single-disc dry clutch a high mechanical and thermal load. To adjustment of a particular transferable Torque of the engine clutch must therefore the state of wear the friction linings, the temperature-dependent coefficient of friction and thermal expansion-dependent positioning errors recorded and taken into account in the control of the engine clutch become. Due to the friction-related wear is the life of a dry clutch naturally limited.
Bei einer dazu alternativen Ausbildung der Motorkupplungen als im Ölbad laufende Lamellenkupplungen ist der Verschleiß der Lamellen unter normalen Betriebsbedingungen zwar relativ gering. Aufgrund der Funktion des betreffenden Hydrauliköls als Kühlmittel, Schmiermittel und Scherkraft-Übertragungsmittel ist das Hydrauliköl aber sehr teuer und weist eine beschränkte Betriebsdauer auf. Im Übrigen weisen beide Bauarten von Motorkupplungen relativ große Abmessungen und ein hohes Gewicht auf, wodurch der Bauraumbedarf und das Gewicht des gesamten Doppelkupplungsgetriebes erhöht werden.at an alternative training of engine clutches as running in an oil bath Multi-disc clutches is the wear of the slats under normal Operating conditions are relatively low. Due to the function of the as hydraulic oil Coolant, Lubricant and shear force transmission means is the hydraulic oil but very expensive and has a limited operating time. Otherwise Both types of engine clutches are relatively large in size and high in size Weight up, reducing the space requirements and the weight of the entire Double clutch transmission increased become.
Die
vorgenannten Nachteile können
zumindest teilweise vermieden werden, wenn anstelle synchronisierter
Gangkupplungen unsynchronisierte Gangkupplungen in Form von einfachen
Klauenkupplungen verwendet werden. Dies ist beispielsweise bei einem
in der
Vor diesem Hintergrund liegt der vorliegenden Erfindung die Aufgabe zugrunde, ein Doppelkupplungsgetriebe der eingangs genannten Art vorzuschlagen, das bei weitgehend gleichem Anfahr- und Schaltkomfort einen im Hinblick auf geringere Herstellungskosten und einen verringerten Platzbedarf vereinfachten Aufbau sowie eine vereinfachte Steuerbarkeit aufweist. Außerdem soll ein Verfahren zur Steuerung eines derartigen automatisierten Doppelkupplungsgetriebes angegeben werden.In front In this background, the present invention has the object based, a dual-clutch transmission of the type mentioned to propose that with largely the same starting and shifting comfort one with regard to lower production costs and a reduced Space requirements simplified construction and simplified controllability having. Furthermore is a method for controlling such an automated Double clutch transmission can be specified.
Das Getriebe betreffend wird diese Aufgabe gelöst durch ein automatisiertes Doppelkupplungsgetriebe, mit zwei koaxial oder achsparallel angeordneten Eingangswellen, mindestens einer achsparallel zu den Eingangswellen angeordneten Abtriebswelle und unsynchronisierten Gangkupplungen, wobei jeder der Eingangswellen zur Verbindung mit der Antriebswelle eines Antriebsmotors jeweils eine separate Motorkupplung und zur Verbindung mit der Abtriebswelle jeweils eine Gruppe von unterschiedlich übersetzten Gang-Zahnradsätzen mit jeweils einem Festrad und einem über eine zugeordnete Gangkupplung schaltbaren Losrad zugeordnet sind. Außerdem ist vorgesehen, dass die beiden Motorkupplungen als unsynchronisierte Klauenkupplungen ausgebildet sind, und dass als Anfahr- und Synchronisiermittel zwei Elektromaschinen vorgesehen sind, die wechselweise jeweils mit einer der beiden Eingangswellen in Triebverbindung stehen.The Regarding transmission, this object is achieved by an automated Dual-clutch transmission, with two coaxial or axially parallel arranged Input shafts, at least one axis parallel to the input shafts arranged output shaft and unsynchronized gear clutches, wherein each of the input shafts for connection to the drive shaft a drive motor each have a separate engine clutch and the Connection with the output shaft each translated a group of different Speed gear sets each with a fixed gear and one via an associated gear coupling are assigned switchable idler gear. It is also envisaged that the two engine clutches designed as unsynchronized jaw clutches are, and that as starting and synchronizing two electric machines are provided, each alternately with one of the two input shafts in drive connection.
Durch die Ausbildung der beiden Motorkupplungen als unsynchronisierte Klauenkupplungen werden die diesbezüglichen Herstellungskosten und der Bauraumbedarf gesenkt, die Steuerbarkeit vereinfacht und die Lebensdauer erhöht. Dabei wird, wie nachfolgend noch näher erläutert wird, durch den Einsatz einer der beiden Elektromaschinen im Motorbetrieb ein ruckfreies und komfortables Anfahren sowie durch die Verwendung beider Elektromaschinen die Durchführung von Schaltvorgängen mit hohem Schaltkomfort und ohne eine Zugkraftunterbrechung ermöglicht. Insgesamt ergeben sich hierdurch, insbesondere im Vergleich mit einem mit synchronisierten Gangkupplungen versehenen Doppelkupplungsgetriebe, deutliche Kosten- und Bauraumvorteile, ohne dass dabei Einbußen in der Funktionalität und dem Komfort in Kauf genommen werden müssen. Durch den zumindest vorübergehenden Einsatz einer der beiden Elektromaschinen im Motor- oder Generatorbetrieb kann zudem der Kraftstoffverbrauch gesenkt und die Betriebsbremse entlastet werden.By the formation of the two engine clutches as unsynchronized Jaw clutches are the related manufacturing costs and reduced the space requirement, simplifies the controllability and increases the life. This will, as will be explained in more detail below, through the use one of the two electric machines in engine operation a jerk-free and comfortable starting and by the use of both electric machines the execution of switching operations with high gear comfort and without a traction interruption enabled. Overall, this results in particular, in comparison with a dual clutch transmission provided with synchronized speed clutches, Clear cost and space advantages, without sacrificing in the functionality and the comfort must be accepted. By the at least temporary Use of one of the two electric machines in motor or generator operation can also reduce fuel consumption and the service brake be relieved.
Zur Vereinfachung des Aufbaus und der Betätigung sind die beiden Motorkupplungen vorteilhaft in einem gemeinsamen Kupplungsblock zusammengefasst, der zwei Schaltstellungen mit einer wechselweisen Verbindung der Antriebswelle mit einer der beiden Eingangswellen sowie eine Neutralstellung mit vollständig unterbrochenem Kraftfluss aufweist, und der durch einen einzigen Kupplungssteller betätigbar ist.to Simplification of the construction and operation are the two engine clutches advantageously combined in a common coupling block, the two switch positions with an alternate connection of Drive shaft with one of the two input shafts and a neutral position with Completely having interrupted power flow, and by a single Clutch actuator actuated is.
Dieser Kupplungsblock kann außerhalb der Gang-Zahnradsätze des Getriebes axial zwischen dem Antriebsmotor und den beiden Eingangswellen angeordnet sein, eingangsseitig unmittelbar mit der Antriebswelle des Antriebsmotors gekoppelt sein, sowie ausgangsseitig einerseits unmittelbar mit der als Hohlwelle ausgebildeten motornahen Eingangswelle und andererseits mit einem zentral durch die Hohlwelle geführten Abschnitt der motorfernen Eingangswelle verbunden sein. Hierdurch wird zum einen eine axial enge Staffelung der Gang-Zahnradsätze in Verbindung mit kurzen Getriebewellen ermöglicht, was zu einer insgesamt kurzen Baulänge und einem geringem Gewicht des Doppelkupplungsgetriebes führt. Ebenfalls ist hierdurch eine Anordnung des Kupplungsblockes außerhalb des Getriebegehäuses möglich, wodurch die Motorkupplungen und der zugeordnete Kupplungssteller für Wartungs- und Reparaturarbeiten leichter zugänglich sind.This Clutch block can be outside the gearwheel gear sets the transmission is arranged axially between the drive motor and the two input shafts be, on the input side directly to the drive shaft of the drive motor be coupled, and on the output side on the one hand directly with the trained as a hollow shaft near the motor input shaft and on the other with a centrally guided by the hollow shaft portion of the motor remote Be connected input shaft. As a result, on the one hand, an axial close staggering of gear gear sets in conjunction with short Allows transmission shafts, resulting in an overall short length and a low weight of the dual-clutch transmission leads. Also This is an arrangement of the coupling block outside of the gearbox possible, whereby the engine clutches and the associated clutch plate for maintenance and repair work are more easily accessible.
Alternativ dazu ist jedoch auch eine Anordnung des Kupplungsblocks innerhalb der Gang-Zahnradsätze des Getriebes axial zwischen der motornahen Eingangswelle und der motorfernen Eingangswelle möglich, bei welcher der Kupplungsblock eingangsseitig mit einem verlängerten und durch die als Hohlwelle ausgebildete motornahe Eingangswelle geführten Abschnitt der Antriebswelle des Antriebsmotors verbunden ist, sowie ausgangsseitig einerseits unmittelbar mit der motornahen Eingangswelle und andererseits unmittelbar mit der motorfernen Eingangswelle verbunden ist. Bei dieser Anordnung des Kupplungsblocks kann die Steuerung der Stellantriebe für die Gangkupplungen und die Motorkupplungen, wie z.B. die Steuerungsventile hydraulischer oder pneumatischer Gang- und Kupplungssteller, in einem gemeinsamen Steuermodul zusammengefasst werden.alternative but this is also an arrangement of the coupling block within the gearwheel gear sets the transmission axially between the near-motor input shaft and the remote from motor input shaft possible, in which the coupling block on the input side with an extended and by the trained as a hollow shaft motor-like input shaft out Section of the drive shaft of the drive motor is connected, as well on the output side, on the one hand, directly with the input shaft close to the motor and on the other hand directly connected to the motor remote input shaft is. In this arrangement of the coupling block, the control of Actuators for the speed clutches and the engine clutches, e.g. the control valves hydraulic or pneumatic gear and clutch plate, in be summarized a common control module.
Die Triebverbindung der beiden Elektromaschinen mit den Eingangswellen ist vorteilhaft jeweils dadurch gegeben, dass ein mit dem Rotor der betreffenden Elektromaschine verbundenes Ritzel mit einem mit der zugeordneten Eingangswelle verbundenen Festrad eines Gang-Zahnradsatzes in Eingriff steht. Dabei stehen die Ritzel der Elektromaschinen bevorzugt jeweils mit dem Festrad der größten Gangstufe der betreffenden Eingangswelle in Eingriff, da hierdurch eine für die Elektromaschinen günstige, nämlich kleine Übersetzung gegeben ist, welche die Verwendung relativ drehmomentschwacher sowie hochdrehender und somit entsprechend kleiner sowie leichter Elektromaschinen ermöglicht.The Drive connection of the two electrical machines with the input shafts is advantageous in each case given by one with the rotor the corresponding electric machine connected pinion with a with the associated input shaft connected fixed gear of a gear-wheel set engaged. The pinions of the electric machines are preferred each with the fixed gear of the largest gear the respective input shaft in engagement, as this one for the electric machines cheap, namely small translation given the use of relatively low-torque and high-revving and thus allows correspondingly smaller and lighter electric machines.
Bei dem erfindungsgemäßen Doppelkupplungsgetriebe erfolgt ein Anfahrvorgang durch das Einrücken der Gangkupplung des Anfahrgangs und durch das Beschleunigen des Kraftfahrzeugs mit der Antriebskraft der dem Anfahrgang zugeordneten Elektromaschine. Im weiteren Verlauf des Anfahr vorgangs wird dann die dem Anfahrgang zugeordnete Motorkupplung bei Erreichen der Synchrondrehzahl eingerückt, und nachfolgend erfolgt die weitere Beschleunigung des Kraftfahrzeugs entweder alleine mit der Antriebskraft des Antriebsmotors oder durch eine kombinierte Antriebskraft des Antriebsmotors und der Elektromaschine. Mittels der dem Anfahrgang zugeordneten Elektromaschine, die bedarfsweise leistungsfähiger als die andere Elektromaschine ausgebildet sein kann, ist somit ein ruckfreies Anfahren auch ohne die Verwendung einer speziellen Anfahrkupplung möglich.at the dual clutch transmission according to the invention a starting process takes place by engaging the gear coupling of the starting gear and by accelerating the motor vehicle with the driving force the starting gear associated electric machine. In the further course the startup process then becomes the engine clutch associated with the starting gear engaged when reaching the synchronous speed, and subsequently the further acceleration of the motor vehicle either alone with the driving force of the drive motor or by a combined Driving force of the drive motor and the electric machine. through the starting gear associated electric machine, if necessary powerful as the other electric machine can be formed, is thus a smooth start even without the use of a special starting clutch possible.
Bei einem Anfahrvorgang mit Rückwärtsfahrt kann zudem ein spezieller Gang-Zahnradsatz für den Rückwärtsgang eingespart werden, wenn dieser Anfahrvorgang unter Nutzung des Anfahrgangs für Vorwärtsfahrt mit einer Umkehrung der Drehrichtung der zugeordneten Elektromaschine durchgeführt wird.at a start with reverse can In addition, a special gear-gear set for the reverse gear can be saved if this starting process using the starting gear for forward drive with a reversal of the direction of rotation of the associated electric machine carried out becomes.
Bei verteilter Zuordnung der Gänge auf die beiden Eingangswellen ist bei einer Schaltung von einem Lastgang in einen Zielgang vorgesehen, dass zunächst die Gangkupplung des Zielgangs durch ein Beschleunigen der betreffenden Eingangswelle mittels der zugeordneten Elektromaschine synchronisiert und nachfolgend eingerückt wird, dass dann eine Lastübernahme durch die Elektromaschine erfolgt, dass daraufhin die dem Lastgang zugeordnete Motorkupplung und die dem Lastgang zugeordnete Gangkupplung ausgerückt werden, dass dann der Antriebsmotor auf die Synchrondrehzahl der dem Zielgang zugeordneten Motorkupplung gesteuert und nachfolgend diese Motorkupplung eingerückt wird, und dass abschließend wieder der Antriebsmotor die Antriebslast übernimmt.at distributed allocation of gears on the two input shafts is at a circuit of one Lastgang provided in a target gear, that first the gear clutch of the target gear by accelerating the respective input shaft by means of associated electric machine is synchronized and subsequently engaged, that then a load takeover by the electric machine takes place, that then the load gear associated engine clutch and the gear ratio associated with the load gear disengaged be that then the drive motor to the synchronous speed of the the engine associated with the target gear and controlled below engaged this engine clutch will, and that concluding again the drive motor takes over the drive load.
Bei ausreichend leistungsstark ausgelegten Elektromaschinen ergibt sich somit eine mit einem konventionellen Doppelkupplungsgetriebe vergleichbare komfortable Schaltung ohne eine Zugkraftunterbrechung. Dabei wirkt sich die relativ lange dauernde Steuerung des Antriebsmotors auf die Synchrondrehzahl der dem Zielgang zugeordneten Motorkupplung nicht negativ aus, da die Antriebskraft in dieser Phase durch die zugeordnete Elektromaschine aufgebracht wird.at sufficiently powerful designed electrical machines results thus comparable to a conventional dual-clutch transmission comfortable circuit without a traction interruption. It works the relatively long-lasting control of the drive motor the synchronous speed of the engine clutch associated with the target gear not negative, because the driving force in this phase by the assigned electric machine is applied.
Außerhalb von Anfahr- und Schaltvorgängen werden die beiden Elektromaschinen auch zweckmäßig in einer Art Hybridbetrieb eingesetzt, indem der Antriebsmotor bei hoher Zuglast, wie bei einer starken Beschleunigung und/oder beim Befahren einer steilen Steigungsstrecke, durch einen Motorbetrieb der dem Lastgang zugeordneten Elektromaschine unterstützt wird, und im Schubbetrieb zusammen mit den Radbremsen durch einen Generatorbetrieb der dem Lastgang zugeordneten Elektromaschine entlastet wird.Outside of starting and switching operations the two electric machines also useful in a kind of hybrid operation Used by the drive motor at high tensile load, as in a strong Acceleration and / or driving on a steep slope, by a motor operation of the load gear associated electric machine supports and in overrun together with the wheel brakes by one Generator operation of the load gear associated electric machine relieved becomes.
Alternativ zu der bislang beschriebenen Ausführungsform des erfindungsgemäßen Doppelkupplungsgetriebes können die beiden Elektromaschinen auch durch eine einzige Elektromaschine ersetzt werden, die wechselweise mit einer der beiden Eingangswellen koppelbar ist. Anstelle der eingesparten Elektromaschine ist dann eine zusätzliche Kopplungsvorrichtung zur wechselweisen Herstellung einer Triebverbindung mit einer der beiden Eingangswellen erforderlich. Die wesentlichen Funktions- und Betriebseigenschaften bleiben aber erhalten.alternative to the previously described embodiment of the dual-clutch transmission according to the invention can the two electric machines also by a single electric machine be replaced, which alternately with one of the two input shafts can be coupled. Instead of the saved electric machine is then an additional Coupling device for alternately producing a drive connection with one of the two input shafts required. The essential Functional and operational properties are retained.
Die eine Elektromaschine ist vorteilhaft axial zwischen den beiden Gang-Zahnradsätzen der größten Gänge angeordnet und an ihrem Rotor beidseitig jeweils mit einer als Klauenkupplung ausgebildeten Triebkupplung versehen, über die wechselweise jeweils eine Triebverbindung mit einem mit der betreffenden Eingangswelle verbundenen Festrad des zugeordneten Gang-Zahnradsatzes in Eingriff stehenden Ritzel herstellbar ist.The an electric machine is advantageously axially between the two gear-wheel sets of arranged the largest corridors and on its rotor on both sides each with a claw coupling trained drive clutch provided on the alternately each a drive connection with one with the respective input shaft connected fixed gear of the associated gear-gear set in engagement standing pinion is producible.
Alternativ dazu kann die Elektromaschine jedoch auch axial außen neben einem der beiden genannten Gang-Zahnradsätze angeordnet sein und über eine verlängerte Rotorwelle mit einem axial zwischen den beiden Gang- Zahnradsätzen angeordneten Kupplungsblock verbunden sein, über den mit jeweils einer als Klauenkupplung ausgebildeten Triebkupplung wechselweise eine Triebverbindung mit einem mit der betreffenden Eingangswelle verbundenen Festrad des zugeordneten Gang-Zahnradsatzes in Eingriff stehenden Ritzel herstellbar ist.alternative However, the electric machine can also be axially outside next to be arranged one of the two gear-gear sets and above a extended Rotor shaft arranged with an axially between the two gear gear sets Coupling block be connected, over each with a trained as a claw clutch drive coupling alternately a drive connection with one with the concerned Input shaft connected fixed gear of the associated gear-wheel set in Engaging pinion is produced.
Bei dieser Ausführungsform des erfindungsgemäßen Doppelkupplungsgetriebes erfolgt ein Anfahrvorgang durch das Einrücken der Gangkupplung des Anfahrgangs und der dem Anfahrgang zugeordneten Triebkupplung sowie durch das Beschleunigen des Kraftfahrzeugs mit der Antriebskraft der dem Anfahrgang zugeordneten Elektromaschine. Im weiteren Verlauf des Anfahrvorgangs wird dann die dem Anfahrgang zugeordnete Motorkupplung bei Erreichen der Synchrondrehzahl eingerückt. Nachfolgend kann die weitere Beschleunigung des Kraftfahrzeugs alleine mit der Antriebskraft des Antriebsmotors erfolgen, wobei die dem Anfahrgang zugeordnete Triebkupplung zunächst ausgerückt wird, oder die weitere Beschleunigung erfolgt durch eine kombinierte Antriebskraft des Antriebsmotors und der Elektromaschine.In this embodiment of the dual-clutch transmission according to the invention, a starting operation is carried out by engaging the gear clutch of the starting gear and the drive gear associated with the starting gear and by accelerating of the motor vehicle with the driving force of the starting gear associated electric machine. In the course of the startup process, the engine clutch associated with the starting gear is then engaged when the synchronous rotational speed is reached. Subsequently, the further acceleration of the motor vehicle can take place solely with the drive force of the drive motor, wherein the drive clutch associated with the drive gear is first disengaged, or the further acceleration is effected by a combined drive force of the drive motor and the electric machine.
Bei einem Anfahrvorgang mit Rückwärtsfahrt kann ebenso der Anfahrgang für Vorwärtsfahrt in Verbindung mit einer Umkehrung der Drehrichtung der zugeordneten Elektromaschine genutzt werden, so dass ein spezieller Gang-Zahnradsatz für den Rückwärtsgang nicht erforderlich ist.at a start with reverse can as well the starting gear for driving forward in conjunction with a reversal of the direction of rotation of the associated Electric machine can be used, making a special gear-gear set for the reverse gear is not required.
Bei verteilter Zuordnung der Gänge auf die beiden Eingangswellen ist bei einer Schaltung von einem Lastgang in einen Zielgang vorgesehen, dass zunächst die dem Zielgang zugeordnete Triebkupplung eingerückt wird, dass dann die Gangkupplung des Zielgangs durch ein Beschleunigen der betreffenden Eingangswelle mittels der Elektromaschine synchronisiert und nachfolgend eingerückt wird, dass dann eine Lastübernahme durch die Elektromaschine erfolgt, dass daraufhin die dem Lastgang zugeordnete Motorkupplung und die dem Lastgang zugeordnete Gangkupplung ausgerückt werden, dass dann der Antriebsmotor auf die Synchrondrehzahl der dem Zielgang zugeordneten Motorkupplung gesteuert und nachfolgend diese Motorkupplung eingerückt wird, und dass abschließend wieder der Antriebsmotor die Antriebslast übernimmt und die dem Zielgang zugeordnete Triebkupplung ausgerückt wird.at distributed allocation of gears on the two input shafts is at a circuit of one Lastgang provided in a target gear that initially assigned to the target gear Drive coupling engaged is that then the gear clutch of the target gear by accelerating synchronized to the respective input shaft by means of the electric machine and subsequently indented then that will be a load transfer by the electric machine takes place, that then the load gear associated engine clutch and the gear ratio associated with the load gear disengaged be that then the drive motor to the synchronous speed of the the engine associated with the target gear and controlled below engaged this engine clutch will, and that concluding Again, the drive motor takes over the drive load and the target gear associated drive clutch disengaged becomes.
Außerhalb von Anfahr- und Schaltvorgängen kann die Elektromaschine ebenfalls in einer Art Hybridbetrieb eingesetzt werden, indem der Antriebsmotor bei hoher Zuglast, wie bei einer starken Beschleunigung und/oder beim Befahren einer steilen Steigungsstrecke, durch das Synchronisieren und Einrücken der dem Lastgang zugeordneten Triebkupplung sowie einen nachfolgenden Motorbetrieb der Elektromaschine unterstützt wird, und im Schubbetrieb zusammen mit den Radbremsen durch das Synchronisieren und Einrücken der dem Lastgang zugeordneten Triebkupplung sowie einen nachfolgenden Generatorbetrieb der Elektromaschine entlastet wird.Outside starting and switching operations can the electric machine also used in a kind of hybrid operation be by the drive motor at high tensile load, as in a strong acceleration and / or driving on a steep slope, by synchronizing and engaging the load gear assigned Drive coupling and a subsequent engine operation of the electric machine supports is, and in overrun together with the wheel brakes through the Sync and Engage the power transmission associated with the drive clutch and a subsequent Generator operation of the electric machine is relieved.
Zur Verdeutlichung der Erfindung ist der Beschreibung eine Zeichnung mit Ausführungsbeispielen beigefügt. In diesen zeigt:to Clarification of the invention, the description is a drawing with exemplary embodiments attached. In these shows:
In
einer ersten Ausführungsform
gemäß
Den
beiden Eingangswellen
Beiden
Eingangswellen
Ein
Vorwärts-Anfahren
erfolgt bei geöffneten Motorkupplungen
KA und KB sowie
eingerückter Gangkupplung
B1 des ersten Gangs G1 durch einen Motorbetrieb der zweiten Elektromaschine
EMB. Wird dabei an der zweiten Motorkupplung
KB eine Mindestdrehzahl des Antriebsmotors
In
prinzipiell gleicher Weise erfolgt ein Rückwärts-Anfahren bei geöffneten
Motorkupplungen KA und KB sowie
eingerückter
Gangkupplung A4 des Rückwärtsgangs
R durch einen Motorbetrieb der ersten Elektromaschine EMA. Mit Erreichen einer Mindestdrehzahl des
Antriebsmotors
Bei
einem Schaltvorgang zwischen zwei jeweils unterschiedlichen Eingangswellen
Ein
entsprechendes Schaltschema ist in der Tabelle von
Bei
ausreichend leistungsstarken Elektromaschinen EMA bzw.
EMB, deren Dimensionierung durch die Triebverbindung
mit den Festrädern
der jeweils größten Gänge G6,
G5 begünstigt
wird, ergibt sich somit ein mit einem konventionellen Doppelkupplungsgetriebe
vergleichbares Anfahren und komfortable Schaltungen ohne Zugkraftunterbrechung.
Des Weiteren kann der Antriebsmotor bei hoher Zuglast durch einen
Motorbetrieb der mit der lastführenden
Eingangswelle
Eine
zweite Ausführungsform
des erfindungsgemäßen Doppelkupplungsgetriebes
Der erste Wesentliche Unterschied der zweiten Ausführung gegenüber der ersten Ausführungsform besteht in der Einsparung des separaten Gang-Zahnradsatzes für des Rückwärtsgangs R. Die Funktion des Rückwärtsgangs R wird in einfacher Weise in Verbindung mit einer Drehrichtungsumkehr der betreffenden Elektromaschine EMB durch den Zahnradsatz des ersten Gangs G1 erfüllt. Durch diese Ausgestaltung ist ohne Funktionseinbußen eine wesentliche Kosten- und Bauraumeinsparung erzielbar.The first essential difference of the second embodiment over the first embodiment is the saving of the separate gear-wheel set for the reverse R. The function of the reverse gear R is easily in connection with a reversal of rotation of the respective electric machine EM B by the gear set of the first gear G1 fulfilled. As a result of this refinement, it is possible to achieve a substantial saving in terms of costs and space without any loss of function.
Der
zweite Unterschied besteht in der Anordnung des Kupplungsblocks
Beide
Ausgestaltungen gemäß
Weitere
Ausführungsformen
des erfindungsgemäßen Doppelkupplungsgetriebes
In
der dritten Variante nach
Im
vierten Ausführungsbeispiel
gemäß
Durch
die Verwendung der beiden Triebkupplungen KTA und
KTB wird jeweils eine zweite Elektromaschine
eingespart. Die Abläufe
beim Anfahren, Schalten, Boosten und Rekuperieren sind ähnlich wie
bei den vorbeschriebenen Ausführungsformen
mit zwei Elektromaschinen EMA, EMB, jedoch muss nun zusätzlich jeweils vor dem Einsatz
der Elektromaschine EM die entsprechende Triebkupplung KTA, KTB eingerückt und
danach wieder ausgerückt
werden. Das für
die dritte und vierte Ausführungsvariante
des Doppelkupplungsgetriebes
- 1.11.1
- DoppelkupplungsgetriebeDouble clutch
- 1.21.2
- DoppelkupplungsgetriebeDouble clutch
- 1.31.3
- DoppelkupplungsgetriebeDouble clutch
- 1.41.4
- DoppelkupplungsgetriebeDouble clutch
- 22
- (erste) Eingangswelle(first) input shaft
- 33
- (zweite) Eingangswelle(second) input shaft
- 44
- Abtriebswelleoutput shaft
- 55
- Antriebswelledrive shaft
- 66
- Antriebsmotordrive motor
- 77
- Kupplungsblockcoupling block
- 88th
- Abschnittsection
- 99
- Schaltpaketswitching package
- 9'9 '
- Schaltpaketswitching package
- 1010
- Schaltpaketswitching package
- 10'10 '
- Schaltpaketswitching package
- 1111
- Schaltpaketswitching package
- 11'11 '
- Schaltpaketswitching package
- 1212
- Schaltpaketswitching package
- 1313
- Festradfixed gear
- 1414
- Festradfixed gear
- 1515
- Ritzelpinion
- 1616
- Ritzelpinion
- 1717
- Abschnittsection
- 1818
- Kupplungsblockcoupling block
- A1A1
- Gangkupplung (von G2)clutch (from G2)
- A2A2
- Gangkupplung (von G4)clutch (from G4)
- A3A3
- Gangkupplung (von G6)clutch (from G6)
- A4A4
- Gangkupplung (von R)clutch (from R)
- B1B1
- Gangkupplung (von G1 bzw. G1 und R))clutch (from G1 or G1 and R))
- B2B2
- Gangkupplung (von G3)clutch (from G3)
- B3B3
- Gangkupplung (von G5)clutch (from G5)
- EMEM
- Elektromaschineelectric machine
- EMA EM A
- (erste) Elektromaschine(first) electric machine
- EMB EM B
- (zweite) Elektromaschine(second) electric machine
- G1G1
- erster Gangfirst corridor
- G2G2
- zweiter Gangsecond corridor
- G3G3
- dritter Gangthird corridor
- G4G4
- vierter Gangfourth corridor
- G5G5
- fünfter Gangfifth gear
- G6G6
- sechster Gangsixth corridor
- KA K A
- (erste) Motorkupplung(first) clutch
- KB K B
- (zweite) Motorkupplung(second) clutch
- KTA KT A
- (erste) Triebkupplung(first) engine clutch
- KTB KT B
- (zweite) Triebkupplung(second) engine clutch
- RR
- Rückwärtsgangreverse gear
Claims (21)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006036758.8A DE102006036758B4 (en) | 2006-08-05 | 2006-08-05 | Automated dual-clutch transmission of a motor vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006036758.8A DE102006036758B4 (en) | 2006-08-05 | 2006-08-05 | Automated dual-clutch transmission of a motor vehicle |
Publications (2)
Publication Number | Publication Date |
---|---|
DE102006036758A1 true DE102006036758A1 (en) | 2008-02-28 |
DE102006036758B4 DE102006036758B4 (en) | 2015-03-12 |
Family
ID=38973177
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102006036758.8A Expired - Fee Related DE102006036758B4 (en) | 2006-08-05 | 2006-08-05 | Automated dual-clutch transmission of a motor vehicle |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102006036758B4 (en) |
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