DE102017201174A1 - Hybrid drive system for a motor vehicle - Google Patents
Hybrid drive system for a motor vehicle Download PDFInfo
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- DE102017201174A1 DE102017201174A1 DE102017201174.2A DE102017201174A DE102017201174A1 DE 102017201174 A1 DE102017201174 A1 DE 102017201174A1 DE 102017201174 A DE102017201174 A DE 102017201174A DE 102017201174 A1 DE102017201174 A1 DE 102017201174A1
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- 230000005540 biological transmission Effects 0.000 claims abstract description 136
- 238000002485 combustion reaction Methods 0.000 claims abstract description 41
- 238000004804 winding Methods 0.000 claims abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 2
- BUHVIAUBTBOHAG-FOYDDCNASA-N (2r,3r,4s,5r)-2-[6-[[2-(3,5-dimethoxyphenyl)-2-(2-methylphenyl)ethyl]amino]purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound COC1=CC(OC)=CC(C(CNC=2C=3N=CN(C=3N=CN=2)[C@H]2[C@@H]([C@H](O)[C@@H](CO)O2)O)C=2C(=CC=CC=2)C)=C1 BUHVIAUBTBOHAG-FOYDDCNASA-N 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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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
- B60K6/22—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
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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
- B60K6/40—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 assembly or relative disposition of components
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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
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
- F16H3/091—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears including a single countershaft
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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
- B60K2006/4825—Electric machine connected or connectable to gearbox 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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H2003/0826—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 wherein at least one gear on the input shaft, or on a countershaft is used for two different forward gear ratios
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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
- F16H2200/0039—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising three forward speeds
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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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Hybrid Electric Vehicles (AREA)
- Arrangement Of Transmissions (AREA)
Abstract
Die Erfindung betrifft ein Hybridantriebssystem (1) für ein Kraftfahrzeug, mit einer Verbrennungskraftmaschine (2), mit einer ersten Elektromaschine (3), mit einer zweiten Elektromaschine (4) und mit einem Getriebe (5), insbesondere mit einem Drei-Gang-Getriebe, wobei das Getriebe (5) eine erste Gangstufe (I), eine zweite Gangstufe (II) und eine dritte Gangstufe (III) aufweist, wobei das Getriebe (5) eine Verbrennungskraftmaschinen-Getriebeeingangswelle (2a) zur Anbindung der Verbrennungskraftmaschine (2), eine erste Elektromaschinen-Getriebeeingangswelle (3a) zur Anbindung der ersten Elektromaschine (3), eine zweite Elektromaschinen-Getriebeeingangswelle (4a) zur Anbindung der zweiten Elektromaschine (4), eine Getriebeausgangswelle (8), ein erstes Schaltelement (6) und ein zweites Schaltelement (7) aufweist, und wobei die Verbrennungskraftmaschinen-Getriebeeingangswelle (2a) über das erste Schaltelement (6) mit der ersten Gangstufe (I) oder mit der zweiten Gangstufe (II) koppelbar bzw. von der ersten Gangstufe (I) oder von der zweiten Gangstufe (II) entkoppelbar ist.Der notwendige Bauraumbedarf für das Hybridantriebssystem ist einerseits nun dadurch verringert, insbesondere ist andererseits auch der Wartungsaufwand zusätzlich dadurch vermindert, dass mindestens eine der Gangstufen (I bis III) als ein Windungsgang ausgeführt ist.The invention relates to a hybrid drive system (1) for a motor vehicle, having an internal combustion engine (2), a first electric machine (3), a second electric machine (4) and a transmission (5), in particular a three-speed transmission in which the transmission (5) has a first gear stage (I), a second gear stage (II) and a third gear stage (III), wherein the gearbox (5) comprises an internal combustion engine transmission input shaft (2a) for connecting the internal combustion engine (2), a first electric machine transmission input shaft (3a) for connecting the first electric machine (3), a second electric machine transmission input shaft (4a) for connecting the second electric machine (4), a transmission output shaft (8), a first switching element (6) and a second switching element (7), and wherein the internal combustion engine transmission input shaft (2a) via the first switching element (6) with the first gear stage (I) or with the second gear stage (II) coupled b The necessary space requirement for the hybrid drive system is on the one hand now reduced thereby, on the other hand, on the other hand, the maintenance effort is further reduced by the fact that at least one of the gear stages (I to III) is designed as a winding passage.
Description
Die Erfindung betrifft ein Hybridantriebssystem für ein Kraftfahrzeug gemäß den Merkmalen des Oberbegriffes des Patentanspruches 1.The invention relates to a hybrid drive system for a motor vehicle according to the features of the preamble of
Im Stand der Technik sind eine Vielzahl von Hybridantriebssystemen, insbesondere Hybridantriebsstränge für Kraftfahrzeuge bekannt. Diese weisen im Allgemeinen mindestens eine Verbrennungskraftmaschine und mindestens eine Elektromaschine auf. Über ein entsprechend vorgesehenes Getriebe wird der Kraftfluss von der Verbrennungskraftmaschine und/oder der Elektromaschine auf den Abtrieb des Kraftfahrzeuges realisiert. Dem Getriebe ist insbesondere ein Differential nachgeschaltet, wobei mit Hilfe des Differentials die Räder des Kraftfahrzeuges antreibbar sind.In the prior art, a variety of hybrid drive systems, in particular hybrid powertrains for motor vehicles are known. These generally have at least one internal combustion engine and at least one electric machine. Via a correspondingly provided gear, the power flow is realized by the internal combustion engine and / or the electric machine on the output of the motor vehicle. The transmission is in particular followed by a differential, with the aid of the differential, the wheels of the motor vehicle are driven.
Im Stand der Technik ist ein Hybridantriebsstrang bekannt (
Der im Stand der Technik bekannte Hybridantriebsstrang ist aber noch nicht optimal ausgebildet. Zwar weist das hier eingesetzte Getriebe eine Mehrzahl von Gangstufen bzw. eine Mehrzahl von Gängen auf, jedoch benötigt der so ausgebildete Hybridantriebsstrang einen entsprechend großen axialen Bauraum. Zudem ist die Anzahl der hier verwendeten Komponenten, insbesondere die Anzahl der Schaltelemente sehr groß. Letzteres führt auch zu einem erhöhten Wartungsaufwand.However, the hybrid powertrain known in the prior art is not yet optimally configured. Although the transmission used here has a plurality of gear stages or a plurality of gears, however, the hybrid drive train formed in this way requires a correspondingly large axial installation space. In addition, the number of components used here, in particular the number of switching elements is very large. The latter also leads to increased maintenance.
Der im Stand der Technik bekannte Hybridantriebsstrang, vom die Erfindung ausgeht, ist daher insbesondere nicht für den Quereinbau in Kraftfahrzeugen und/oder für nicht unbedingt kleinere Kraftfahrzeuges geeignet und auch sehr wartungsaufwendig.The well-known in the art hybrid powertrain, from which the invention proceeds, is therefore not particularly suitable for transverse installation in motor vehicles and / or not necessarily smaller motor vehicle and also very expensive to maintain.
Der Erfindung liegt daher die Aufgabe zugrunde, das eingangs genannte Hybridantriebssystem, von dem die Erfindung ausgeht, nun derart auszugestalten und weiterzubilden, dass der notwendige Bauraumbedarf für das Hybridantriebssystem einerseits verringert ist, insbesondere andererseits zusätzlich auch der Wartungsaufwand vermindert ist.The invention is therefore based on the object, the above-mentioned hybrid drive system, from which the invention proceeds to design and further develop that the necessary space requirements for the hybrid drive system is on the one hand reduced, in particular on the other hand, in addition, the maintenance is reduced.
Diese zuvor aufgezeigte Aufgabe ist nun zunächst durch die Merkmale des Patentanspruches 1 gelöst.This previously indicated object is now solved by the features of
Dadurch, dass nun mindestens eine der Gangstufen als ein Windungsgang ausgeführt ist, werden entsprechende Vorteile erzielt. Insbesondere kann das Hybridantriebssystem bzw. ein entsprechender Hybridantriebsstrang, insbesondere das Getriebe nun eine Mehrzahl von Gangstufen, insbesondere mindestens drei Gangstufen, nämlich eine erste Gangstufe, eine zweite Gangstufe und eine dritte Gangstufe aufweisen, wobei mindestens eine dieser Gangstufen als ein Windungsgang ausgeführt ist. Dadurch wird der axiale Bauraumbedarf für das Hybridantriebssystem bzw. für den Hybridantriebsstrang verringert. Ein „Windungsgang“ windet sich insbesondere über mehrere, insbesondere über mindestens drei Wellen bzw. - anders ausgedrückt - ein „Windungsgang“ benutzt insbesondere mindestens eine Getriebewelle „funktionstechnisch doppelt“ zur Realisierung des Kraftflusses dieses Windungsganges.The fact that now at least one of the gear stages is designed as a winding passage, corresponding advantages are achieved. In particular, the hybrid drive system or a corresponding hybrid powertrain, in particular the transmission now have a plurality of gear stages, in particular at least three gear stages, namely a first gear, a second gear and a third gear, wherein at least one of these gears is designed as a winding course. As a result, the axial space requirement for the hybrid drive system or for the hybrid powertrain is reduced. A "winding course" winds in particular over several, in particular over at least three waves or - in other words - a "winding" uses in particular at least one transmission shaft "functionally double" to realize the power flow of this winding course.
Dadurch, dass nun mindestens eine der Gangstufen als ein Windungsgang ausgeführt ist, können auch die Anzahl der Komponenten des Getriebes, insbesondere die Anzahl der Schaltelemente verringert werden, was im Folgenden noch ausführlicher erläutert werden wird. Hierdurch ist der Wartungsaufwand ebenfalls entsprechend verringert und die damit verbundenen Kosten sind reduziert.The fact that now at least one of the gear ratios is designed as a winding passage, the number of components of the transmission, in particular the number of switching elements can be reduced, which will be explained in more detail below. As a result, the maintenance effort is also reduced accordingly and the associated costs are reduced.
In der bevorzugten Ausführungsform ist die erste Elektromaschinen-Getriebeeingangswelle achsparallel zur Verbrennungskraftmaschinen-Getriebeeingangswelle angeordnet. Bei der bevorzugten Ausführungsform ist nämlich insbesondere die zweite Elektromaschinen-Getriebeeingangswelle koaxial zur Verbrennungskraftmaschinen-Getriebeeingangswelle angeordnet, wobei dann die erste Elektromaschinen-Getriebeeingangswelle achsparallel zur Verbrennungskraftmaschinen-Getriebeeingangswelle und zur zweiten Elektromaschinen-Getriebeeingangswelle in einem bestimmten Abstand angeordnet ist. Hierdurch bedingt ergeben sich insbesondere schaltungstechnische Vorteile bzw. eine große schaltungstechnische Flexibilität des Hybridantriebssystems.In the preferred embodiment, the first electric machine transmission input shaft is disposed axially parallel to the internal combustion engine transmission input shaft. In the preferred embodiment, in particular the second electric machine transmission input shaft is arranged coaxially with the internal combustion engine transmission input shaft, in which case the first electric machine transmission input shaft is arranged axially parallel to the internal combustion engine transmission input shaft and the second electric machine transmission input shaft at a certain distance. This results in particular circuit advantages or a great circuit flexibility of the hybrid drive system.
Der Windungsgang ist nun insbesondere mit Hilfe der ersten Elektromaschinen-Getriebeeingangswelle realisiert. Insbesondere wird der Kraftfluss zur ersten Elektromaschinen-Getriebeeingangswelle über ein auf der Getriebeausgangswelle angeordnetes Losrad zur Elektromaschinen-Getriebeeingangswelle geleitet und mit Hilfe der bzw. über die erste Elektromaschinen-Getriebeeingangswelle dann auf die Getriebeausgangswelle geleitet (bzw. über entsprechender Zahnräder, was im Folgenden noch näher erläutert werden wird). Der Windungsgang wird daher insbesondere mit einem auf der Getriebeausgangswelle angeordnetem Losrad und der ersten Elektromaschinen-Getriebeeingangswelle realisiert, was im Folgenden nochmal ausführlich erläutert werden wird. Dadurch, dass die Elektromaschinen-Getriebeeingangswelle achsparallel und beabstandet zur Verbrennungskraftmaschinen-Getriebeeingangswelle angeordnet ist, kann die erste Elektromaschinen-Getriebeeingangswelle zur Realisierung des Windungsganges, insbesondere als eine „weitere Getriebewelle / Triebwelle“ verwendet werden. Es muss also zur Realisierung des Windungsganges nicht eine extra separate zusätzliche weitere Getriebewelle vorgesehen sein.The Windungsgang is now realized in particular with the help of the first electric machine transmission input shaft. In particular, the power flow to the first electric machine transmission input shaft is directed to the electric machine transmission input shaft via a loose wheel arranged on the transmission output shaft and then directed to the transmission output shaft by means of or via the first electric machine transmission input shaft (or via corresponding gears, which will be described in more detail below) will be explained). The Windungsgang is therefore realized in particular with a arranged on the transmission output shaft idler gear and the first electric machine transmission input shaft, which will be explained in detail again below. Characterized in that the electric machine transmission input shaft is arranged axially parallel and spaced from the internal combustion engine transmission input shaft, the first electric machine transmission input shaft for the realization of Windungsganges, in particular as a "further transmission shaft / drive shaft" can be used. It must therefore not be provided for the realization of Windungsganges an extra separate additional additional gear shaft.
Das erste und das zweite Schaltelement sind im Wesentlichen in der gleichen Ebene angeordnet. Insbesondere hierdurch wird auch eine kompakte axiale Bauform realisiert. The first and second switching elements are arranged substantially in the same plane. In particular, this also realizes a compact axial design.
Das bevorzugte Hybridantriebssystem bzw. der bevorzugte Hybridantriebsstrang weist im Wesentlichen insbesondere folgende „Topologie“ auf: Auf der Verbrennungskraftmaschinen-Getriebeeingangswelle ist ein erstes Losrad vorgesehen, wobei auf der Getriebeausgangswelle ein zweites Losrad vorgesehen ist. Schließlich ist auf der ersten Elektromaschinen-Getriebeeingangswelle ein erstes Festrad vorgesehen. Das erste Losrad steht mit dem zweiten Losrad in Eingriff, wobei das zweite Losrad mit dem ersten Festrad in Eingriff steht.The preferred hybrid drive system or the preferred hybrid powertrain has, in particular, the following "topology": A first idler gear is provided on the internal combustion engine transmission input shaft, wherein a second idler gear is provided on the transmission output shaft. Finally, a first fixed wheel is provided on the first electric machine transmission input shaft. The first idler gear engages the second idler gear, with the second idler gear engaged with the first idler gear.
Auf der ersten Elektromaschinen-Getriebeeingangswelle ist ein zweites Festrad vorgesehen und auf der Getriebeausgangswelle ist ein drittes Losrad vorgesehen bzw. angeordnet. Das zweite Festrad steht in Eingriff mit dem dritten Losrad.On the first electric machine transmission input shaft, a second fixed gear is provided and on the transmission output shaft, a third idler gear is provided or arranged. The second fixed gear is engaged with the third idler gear.
Weiterhin weist die zweite Elektromaschinen-Getriebeeingangswelle ein drittes Festrad und die Getriebeausgangwelle ein viertes Festrad auf. Das dritte Festrad steht mit dem vierten Festrad entsprechend in Eingriff.Furthermore, the second electric machine transmission input shaft has a third fixed gear and the transmission output shaft has a fourth fixed gear. The third fixed gear is engaged with the fourth fixed gear accordingly.
Das erste und das zweite Schaltelement sind nun bei der bevorzugten Ausführungsform des Hybridantriebsstranges wie folgt angeordnet und/oder ausgebildet:The first and second switching elements are now arranged and / or formed in the preferred embodiment of the hybrid powertrain as follows:
Die Verbrennungskraftmaschinen-Getriebeeingangswelle ist über das erste Schaltelement mit dem ersten Losrad koppelbar oder mit dem dritten Festrad koppelbar bzw. entsprechend entkoppelbar. Über das zweite Schaltelement ist die Getriebeausgangswelle mit dem zweiten Losrad oder mit dem dritten Losrad koppelbar bzw. entsprechend entkoppelbar.The internal combustion engine transmission input shaft can be coupled via the first shift element to the first idler gear or coupled to the third fixed gear or decoupled accordingly. About the second switching element, the transmission output shaft with the second idler gear or with the third idler gear can be coupled or decoupled accordingly.
Durch die oben beschriebene Anordnung und/oder Ausführung der Zahnräder bzw. des ersten und zweiten Schaltelementes ist nun ein Windungsgang realisierbar, bei dem dann das erste Schaltelement mit dem ersten Losrad gekoppelt ist und das zweite Schaltelement mit dem dritten Losrad gekoppelt ist. Der Kraftfluss des dann so realisierten Windungsganges läuft dann über das erste Losrad, das zweite Losrad, das erste Festrad, das zweite Festrad und das mit der Getriebeausgangswelle gekoppelte dritte Losrad über die Getriebeausgangswelle bis zum Abtrieb des Kraftfahrzeuges.By the above-described arrangement and / or execution of the gears or the first and second switching element now a Windungsgang can be realized, in which then the first switching element is coupled to the first idler gear and the second switching element is coupled to the third idler gear. The power flow of the then then realized Windungsganges then runs on the first idler gear, the second idler gear, the first fixed gear, the second fixed gear and coupled to the transmission output shaft third idler gear on the transmission output shaft to the output of the motor vehicle.
Insbesondere ist der Windungsgang, hier die erste Gangstufe als erster Gang ausgebildet. Denkbar ist aber auch, dass der Windungsgang als dritte Gangstufe bzw. als dritter Gang ausgebildet ist. Dies ist abhängig von der jeweiligen spezifischen Ausführungsform des entsprechenden Hybridantriebssystems.In particular, the Windungsgang, here the first gear is designed as a first gear. It is also conceivable that the Windungsgang is designed as a third gear or third gear. This is dependent on the particular specific embodiment of the corresponding hybrid drive system.
Im Ergebnis sind zunächst die eingangs genannten Nachteile vermieden und entsprechende Vorteile erzielt.As a result, initially the disadvantages mentioned above are avoided and corresponding advantages are achieved.
Es gibt nun eine Vielzahl von Möglichkeiten, das erfindungsgemäße Hybridantriebssystem in vorteilhafter Art und Weise auszugestalten und weiterzubilden. Hierfür darf zunächst auf die dem Patentanspruch 1 nachgeordneten Patentansprüche verwiesen werden. Im Folgenden wird nun ein bevorzugtes Ausführungsbeispiel der Erfindung anhand der nachfolgenden Zeichnung und der dazugehörigen Beschreibung näher erläutert. In der Zeichnung zeigt:
-
1 in einer schematischen, sehr vereinfachten Darstellung die wesentlichen Komponenten des erfindungsgemäßen Hybridantriebssystems für ein Kraftfahrzeug bzw. deren Positionierung und/oder Anordnung (Topologie).
-
1 in a schematic, very simplified representation of the essential components of the hybrid drive system according to the invention for a motor vehicle or their positioning and / or arrangement (topology).
Die
Gut zu erkennen in
Wie die
Bei der in
Die eingangs genannten Nachteile sind nun zunächst dadurch vermieden, dass mindestens eine der Gangstufen
Wie aus der
Weiterhin wird aus
Eine besonders kompakte Bauform des Hybridantriebssystems
Im Folgenden dürfen die Anordnung und/oder die Positionierung der einzelnen Zahnräder und der jeweiligen Gangstufen
Auf der Verbrennungskraftmaschinen-Getriebeeingangswelle
Auf der ersten Elektromaschinen-Getriebeeingangswelle
Die zweite Elektromaschinen-Getriebeeingangswelle
Wie aus
Das hier so entsprechend realisierte Getriebe
Die Getriebeausgangswelle
Die zweite Gangstufe
Die dritte Gangstufe
Denkbar ist auch, dass der Windungsgang nicht als erster Gang realisierbar ist, sondern beispielsweise als dritter Gang, was hier aber nicht dargestellt ist. Für diesen Fall werden insbesondere dann die Dimensionierungen der auf der ersten Elektromaschinen-Getriebeeingangswelle in
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 11
- HybridantriebssystemHybrid drive system
- 1a1a
- HybridantriebsstrangHybrid powertrain
- 22
- VerbrennungskraftmaschineInternal combustion engine
- 2a2a
- Verbrennungskraftmaschinen-GetriebeeingangswelleInternal combustion engines, transmission input shaft
- 33
- erste Elektromaschinefirst electric machine
- 3a3a
- erste Elektromaschinen-Getriebeeingangswellefirst electric machine transmission input shaft
- 44
- zweite Elektromaschinesecond electric machine
- 4a4a
- zweite Elektromaschinen-Getriebeeingangswellesecond electric machine transmission input shaft
- 55
- Getriebetransmission
- 66
- erstes Schaltelementfirst switching element
- 77
- zweites Schaltelementsecond switching element
- 88th
- GetriebeausgangswelleTransmission output shaft
- 9 9
- erstes Losradfirst idler gear
- 1010
- zweites Losradsecond idler gear
- 1111
- erstes Festradfirst fixed bike
- 1212
- zweites Festradsecond fixed wheel
- 1313
- drittes Losradthird idler gear
- 1414
- drittes Festradthird fixed wheel
- 1515
- viertes Festradfourth fixed wheel
- 1616
- Differentialdifferential
- 16a16a
- Differential-Antriebsrad Differential drive gear
- II
- erste Gangstufe / erster Gangfirst gear / first gear
- IIII
- zweite Gangstufe / zweiter Gangsecond gear / second gear
- IIIIII
- dritte Gangstufe / dritter Gangthird gear / third gear
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 102010028026 A1 [0003]DE 102010028026 A1 [0003]
Claims (10)
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DE102017201174.2A DE102017201174A1 (en) | 2017-01-25 | 2017-01-25 | Hybrid drive system for a motor vehicle |
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DE102017201174.2A DE102017201174A1 (en) | 2017-01-25 | 2017-01-25 | Hybrid drive system for a motor vehicle |
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DE102017201174A1 true DE102017201174A1 (en) | 2018-07-26 |
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DE102022210566A1 (en) | 2022-10-06 | 2024-04-11 | Zf Friedrichshafen Ag | Transmission device for a motor vehicle |
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JP2010162924A (en) * | 2009-01-13 | 2010-07-29 | Honda Motor Co Ltd | Power transmission device for hybrid vehicle |
DE102010028026A1 (en) | 2010-04-21 | 2011-10-27 | Zf Friedrichshafen Ag | Hybrid drive train, particular multi-gear hybrid drive train for vehicle, has combustion engine and gear with two partial gears for traction interruption-free switching, where electric machines are arranged to partial gears |
DE102010030572A1 (en) * | 2010-06-28 | 2011-12-29 | Zf Friedrichshafen Ag | Hybrid drive for motor car in city traffic, has input shafts rotatably arranged in one of switchable idle gears via respective gear switching device and input wheel set plane provided with non-switchable intermediate gears |
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