DE102018129392A1 - Hybrid powertrain - Google Patents

Hybrid powertrain Download PDF

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Publication number
DE102018129392A1
DE102018129392A1 DE102018129392.5A DE102018129392A DE102018129392A1 DE 102018129392 A1 DE102018129392 A1 DE 102018129392A1 DE 102018129392 A DE102018129392 A DE 102018129392A DE 102018129392 A1 DE102018129392 A1 DE 102018129392A1
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Prior art keywords
internal combustion
combustion engine
drive
shaft
transmission
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DE102018129392.5A
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German (de)
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Ulrich Gutzer
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Bayerische Motoren Werke AG
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Bayerische Motoren Werke AG
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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
    • 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
    • B60K6/24—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 combustion engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
    • B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—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
    • 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
    • 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

Abstract

Hybridantriebsstrang für ein Kraftfahrzeug mit zumindest einer Brennkraftmaschine mit einer ersten Antriebswelle und einer elektrischen Maschine mit einer zweiten Antriebswelle, wobei die Brennkraftmaschine und die elektrische Maschine dazu ausgelegt sind, ein Drehmoment über ein Getriebe mit einer Getriebeeingangswelle und einer Getriebeausgangswelle auf eine Antriebsachse zu übertragen, wobei die Getriebeeingangswelle mit der ersten Antriebswelle wirkverbunden ist, um ein Drehmoment von der Brennkraftmaschine über die Getriebeausgangswelle auf die Antriebsachse zu übertragen, wobei die Getriebeeingangswelle und die erste Antriebswelle parallel zueinander angeordnet sind, wobei die Brennkraftmaschine zumindest fünf Zylinder in Reihe und keinen stirnseitigen Nebenaggregateantrieb aufweist.
Aufgrund der erfindungsgemäßen Ausgestaltung des Hybridantriebsstrangs können auch Brennkraftmaschinen mit mehr als vier Zylindern quer und damit platzsparend in ein Kraftfahrzeug eingebaut werden.

Figure DE102018129392A1_0000
Hybrid drive train for a motor vehicle with at least one internal combustion engine with a first drive shaft and an electrical machine with a second drive shaft, the internal combustion engine and the electrical machine being designed to transmit torque via a transmission with a transmission input shaft and a transmission output shaft to a drive axle, wherein the transmission input shaft is operatively connected to the first drive shaft in order to transmit a torque from the internal combustion engine via the transmission output shaft to the drive axis, the transmission input shaft and the first drive shaft being arranged parallel to one another, the internal combustion engine having at least five cylinders in series and no front-end accessory drive.
Due to the inventive configuration of the hybrid drive train, internal combustion engines with more than four cylinders can also be installed transversely and thus in a space-saving manner in a motor vehicle.
Figure DE102018129392A1_0000

Description

Vorliegende Erfindung betrifft einen Hybridantriebsstrang für ein Fahrzeug mit zumindest einer Brennkraftmaschine, einer elektrischen Maschine und einem Getriebe.The present invention relates to a hybrid drive train for a vehicle with at least one internal combustion engine, an electric machine and a transmission.

Bei den bekannten Hybridantriebsgetrieben ist üblicherweise die Antriebswelle des Verbrennungsmotors, insbesondere die Kurbelwelle, in der Regel über eine Kupplungseinrichtung direkt oder indirekt mit der Getriebeeingangswelle verbunden, wobei Getriebe und Verbrennungsmotor in Bezug auf den Leistungsfluss vom Verbrennungsmotor zum Getriebe axial nebeneinander angeordnet sind. Die elektrische Maschine kann ebenfalls axial neben dem Verbrennungsmotor oder dem Getriebe angeordnet sein. Es ist jedoch auch bekannt, die elektrische Maschine und deren Antriebswelle achsparallel zu dem Getriebe bzw. dem Verbrennungsmotor anzuordnen. Durch diese achsparallele Anordnung kann ein Bauraum in Längsrichtung, also in Anordnungsrichtung von Verbrennungsmotor und Getriebe eingespart werden. Nachteilig dabei ist jedoch, dass bei einer derartigen Ausgestaltung die Leistungsfähigkeit der elektrischen Maschine aufgrund des geringen für sie zur Verfügung stehenden Bauraums begrenzt bleibt.In the known hybrid drive transmissions, the drive shaft of the internal combustion engine, in particular the crankshaft, is usually connected directly or indirectly to the transmission input shaft via a coupling device, the transmission and internal combustion engine being arranged axially next to one another in relation to the power flow from the internal combustion engine to the transmission. The electrical machine can also be arranged axially next to the internal combustion engine or the transmission. However, it is also known to arrange the electrical machine and its drive shaft axially parallel to the transmission or the internal combustion engine. This axially parallel arrangement saves space in the longitudinal direction, ie in the direction of arrangement of the internal combustion engine and transmission. However, it is disadvantageous that in such a configuration the performance of the electrical machine remains limited due to the small installation space available for it.

Beide Antriebseinheiten, sowohl der Verbrennungsmotor als auch die elektrische Maschine übertragen ihr Drehmoment auf eine Getriebeeingangswelle des Getriebes, im Getriebe erfolgt eine Drehmoment-Drehzahl-Wandlung und eine Leistungszusammenführung bzw. -teilung von Verbrennungsmotor und elektrischer Maschine. Letztendlich wird die Leistung am Getriebeende üblicherweise per Differential an die Antriebsachse ausgegeben.Both drive units, both the internal combustion engine and the electrical machine transmit their torque to a transmission input shaft of the transmission, in the transmission there is a torque-speed conversion and a power combination or division of power from the internal combustion engine and the electrical machine. Ultimately, the power at the end of the transmission is usually output to the drive axle via differential.

Problematisch bei den bekannten Antriebsstrangarchitekturen ist jedoch, dass die bekannte Architektur einen großen Platzbedarf hat und Verbrennungsmotor und daneben angeordnetes Getriebe oftmals längs einer Fahrzeuglängsachse ausgerichtet werden müssen, um den entsprechenden Bauraum bereitzustellen. Bei Front-Quereinbauten, das heißt, der Anordnung von Verbrennungsmotor und Getriebe entlang einer Querachse des Fahrzeugs muss deshalb oftmals ein Bauraum bedingter Kompromiss geschlossen werden.The problem with the known powertrain architectures, however, is that the known architecture requires a large amount of space and the internal combustion engine and the gearbox arranged next to it often have to be aligned along a longitudinal axis of the vehicle in order to provide the corresponding installation space. In the case of front transverse installations, that is to say the arrangement of the internal combustion engine and transmission along a transverse axis of the vehicle, a compromise due to installation space often has to be made.

Ein Einbau entlang der Längsachse des Fahrzeugs bedeutet jedoch, dass Verbrennungsmotor und Getriebe in den Bauraum der Hochvoltspeicher reinragen können, sodass dieser nicht maximiert werden kann, was entsprechende Nachteile in Bezug auf elektrische Reichweite des Hybridfahrzeuges nach sich zieht.However, installation along the longitudinal axis of the vehicle means that the internal combustion engine and transmission can protrude into the installation space of the high-voltage store, so that it cannot be maximized, which has corresponding disadvantages in terms of the electric range of the hybrid vehicle.

Aufgabe vorliegender Erfindung ist es, eine Hybridantriebsanordnung für den Quereinbau in ein Kraftfahrzeug aufzuzeigen, mit einem bestmöglichen Massenausgleich.The object of the present invention is to show a hybrid drive arrangement for transverse installation in a motor vehicle with the best possible mass balance.

Diese Aufgabe wird durch die Merkmale im kennzeichnenden Teil des Patentanspruchs 1.This object is achieved by the features in the characterizing part of patent claim 1.

Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen beschrieben.Advantageous developments of the invention are described in the subclaims.

Erfindungsgemäß wird eine Queranordnung einer Reihen-Brennkraftmaschine mit mindestens 5 Zylindern vorgeschlagen, in dem ein geeignetes achsenparalleles, optional elektrifiziertes Getriebe verwendet und die Brennkraftmaschine selbst maximal verkürzt wird. Die Anbindung an das Getriebe erfolgt über einen Quertrieb, ähnlich wie sie in der noch nicht veröffentlichten Patentanmeldung DE 10 2017 221 775.8 beschrieben ist. Idealerweise, d. h. für bestmöglichen Massenausgleich wird eine Reihen-Sechs-Zylinder-Brennkraftmaschine im Motorraum quer eingebaut, die keine freien Massenmomente aufweist. Hierdurch ergibt sich die bestmögliche Laufruhe der Brennkraftmaschine im Kraftfahrzeug. Die Brennkraftmaschine mit mindestens 5 Zylindern in Reihe verfügt über ein maximal verkürztes Kurbelgehäuse. Auch durch den Entfall eines Riementriebs wird erheblich Bauraum eingespart. Als weitere Maßnahme wird ein Torsionsschwingungsdämpfer auf der Kurbelwelle im Kurbelraum integriert, so dass eine nochmalige Verkürzung der Brennkraftmaschine erzielt wird.According to the invention, a transverse arrangement of an in-line internal combustion engine with at least 5 cylinders is proposed, in which a suitable axially parallel, optionally electrified transmission is used and the internal combustion engine itself is maximally shortened. The connection to the gearbox is via a transverse drive, similar to that in the as yet unpublished patent application DE 10 2017 221 775.8 is described. Ideally, ie for the best possible mass balance, an in-line six-cylinder internal combustion engine is installed transversely in the engine compartment, which has no free mass moments. This results in the best possible smooth running of the internal combustion engine in the motor vehicle. The internal combustion engine with at least 5 cylinders in series has a maximum shortened crankcase. The elimination of a belt drive also saves considerable installation space. As a further measure, a torsional vibration damper is integrated on the crankshaft in the crankcase, so that the internal combustion engine is shortened again.

Durch die oben genannten Maßnahmen ergibt sich ein optimierter Raum für die Passagiere in dem Kraftfahrzeug bei bestmöglicher Laufruhe der Brennkraftmaschine.The above-mentioned measures result in an optimized space for the passengers in the motor vehicle with the best possible smooth running of the internal combustion engine.

Es gibt sich erfindungsgemäß eine Ertüchtigung von elektrifizierten Fahrzeugen mit kompakten Vorderwagen mit Abdeckung hoher Brennkraftmaschinen-Leistungsanforderungen.According to the invention there is a retrofit of electrified vehicles with compact front end vehicles covering high internal combustion engine performance requirements.

Die Ausgestaltung gemäß Patentanspruch 2 verkürzt die Baulänge der Brennkraftmaschine nochmals erheblich.The embodiment according to claim 2 shortens the overall length of the internal combustion engine considerably.

Die Ausgestaltung gemäß Patentanspruch 3 ist eine besonders bevorzugte Ausführungsvariante.The embodiment according to claim 3 is a particularly preferred embodiment.

Die Ausgestaltung gemäß Patentanspruch 4 vereinfacht das Package erheblich.The configuration according to claim 4 simplifies the package considerably.

Im Folgenden ist die Erfindung anhand eines Ausführungsbeispiels in einer einzigen Figur näher erläutert.

  • 1 zeigt schematisch einen erfindungsgemäßen Hybridantriebsstrang.
The invention is explained in more detail below with reference to an exemplary embodiment in a single figure.
  • 1 schematically shows a hybrid drive train according to the invention.

1 zeigt schematisch einen Hybridantriebsstrang 1 für ein Kraftfahrzeug mit zumindest einer Brennkraftmaschine 2. Die Brennkraftmaschine 2 weist im vorliegenden Ausführungsbeispiel Sechs Zylinder 6 in Reihe auf. Erfindungsgemäß können es auch nur fünf Zylinder 6 sein. Ein Motorraum des Kraftfahrzeugs ist mit einem strichlierten Rechteck 8 symbolisch dargestellt. Eine Fahrtrichtung des Kraftfahrzeugs ist mit einem Pfeil dargestellt. An einer Stirnseite der Brennkraftmaschine 2 ist ein Kettenschacht 7 dargestellt. Benachbart zum Kettenschacht 7 befindet sich ein Verbindungsgetriebe 5, bei dem es sich beispielsweise um einen Kettentrieb oder um einen Zahnradtrieb handeln kann. Parallel zu der Brennkraftmaschine 2 ist ein Getriebe 4 vorgesehen. Dem Verbindungsgetriebe 5 und dem Getriebe 4 ist eine elektrische Maschine 3 überlagert dargestellt. 1 schematically shows a hybrid powertrain 1 for a motor vehicle with at least one internal combustion engine 2nd . The internal combustion engine 2nd has six cylinders in the present exemplary embodiment 6 in a row. According to the invention, only five cylinders can be used 6 be. An engine compartment of the motor vehicle is with a dashed rectangle 8th represented symbolically. The direction of travel of the motor vehicle is shown by an arrow. On one end of the internal combustion engine 2nd is a chain shaft 7 shown. Adjacent to the chain shaft 7 there is a connecting gear 5 , which can be, for example, a chain drive or a gear drive. Parallel to the internal combustion engine 2nd is a gear 4th intended. The connecting gear 5 and the transmission 4th is an electrical machine 3rd shown superimposed.

Die Brennkraftmaschine 2 weist eine erste, nicht dargestellte Antriebswelle auf, wobei es sich bei dieser ersten Antriebswelle um eine Kurbelwelle handelt. Die elektrische Maschine 3 weist ihrerseits eine ebenfalls nicht dargestellte zweite Antriebswelle auf, wobei die Brennkraftmaschine 2 und die elektrische Maschine 3 dazu ausgelegt sind, das Drehmoment über das Getriebe 4 mit einer nicht dargestellten Getriebeeingangswelle und einer ebenfalls nicht dargestellten Getriebeausgangswelle auf eine Antriebsachse des Fahrzeuges zu übertragen. Hierbei ist die Getriebeeingangswelle mit der ersten Antriebswelle wirkverbindbar, um ein Drehmoment von der Brennkraftmaschine über die Getriebeausgangswelle auf die Antriebsachse zu übertragen. Wie bereits erwähnt sind die Getriebeeingangswelle und die erste Antriebswelle parallel zueinander angeordnet.The internal combustion engine 2nd has a first drive shaft, not shown, this first drive shaft being a crankshaft. The electrical machine 3rd in turn has a second drive shaft, also not shown, the internal combustion engine 2nd and the electrical machine 3rd are designed to torque through the transmission 4th with a transmission input shaft, not shown, and a transmission output shaft, also not shown, to be transmitted to a drive axle of the vehicle. Here, the transmission input shaft can be operatively connected to the first drive shaft in order to transmit a torque from the internal combustion engine via the transmission output shaft to the drive axle. As already mentioned, the transmission input shaft and the first drive shaft are arranged parallel to one another.

Um eine möglichst hohe Laufruhe des Kraftfahrzeugs darstellen zu können, weist die Brennkraftmaschine 2 zumindest fünf Zylinder 6 in Reihe, bevorzugt jedoch sechs Zylinder 6 in Reihe auf, wobei kein stirnseitig außerhalb des Schmiermittelraums angeordneter Nebenaggregateantrieb an die Brennkraftmaschine 2 angeordnet ist.In order to be able to represent the smoothest possible running of the motor vehicle, the internal combustion engine has 2nd at least five cylinders 6 in line, but preferably six cylinders 6 in series, with no auxiliary drive to the internal combustion engine arranged on the end outside of the lubricant chamber 2nd is arranged.

Eine weitere Verkürzung der Brennkraftmaschine ist dadurch erreichbar, dass für die erste Antriebswelle ein Torsionsschwingungstilger vorgesehen ist, der innerhalb eines Kurbelgehäuses der Brennkraftmaschine 2, im sog. Kurbelraum, angeordnet ist.A further shortening of the internal combustion engine can be achieved in that a torsional vibration damper is provided for the first drive shaft, which is within a crankcase of the internal combustion engine 2nd , is arranged in the so-called crank chamber.

In einer bevorzugten Ausführung sind die erste Antriebswelle und die zweite Antriebswelle wechselweise oder gleichzeitig mit der Getriebeeingangswelle koppel- oder entkoppelbar.In a preferred embodiment, the first drive shaft and the second drive shaft can be coupled or uncoupled alternately or simultaneously with the transmission input shaft.

Wie bereits erwähnt, weist das Kurbelgehäuse eine kleinstmögliche Baulänge auf. Dies kann durch dem Fachmann bekannte Maßnahmen erfolgen.As already mentioned, the crankcase has the smallest possible overall length. This can be done by measures known to the person skilled in the art.

BezugszeichenlisteReference symbol list

1.1.
HybridantriebsstrangHybrid powertrain
2.2nd
BrennkraftmaschineInternal combustion engine
3.3rd
elektrische Maschineelectrical machine
4.4th
Getriebetransmission
5.5.
VerbindungsgetriebeConnecting gear
6.6.
Zylindercylinder
7.7.
KettenschachtChain shaft
8.8th.
MotorraumEngine compartment

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 documents listed by the applicant has been generated automatically and is only included 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 PatentliteraturPatent literature cited

  • DE 102017221775 [0009]DE 102017221775 [0009]

Claims (4)

Hybridantriebsstrang (1) für ein Kraftfahrzeug mit zumindest einer Brennkraftmaschine (2) mit einer ersten Antriebswelle und einer elektrischen Maschine (3) mit einer zweiten Antriebswelle, wobei die Brennkraftmaschine (2) und die elektrische Maschine (3) dazu ausgelegt sind, ein Drehmoment über ein Getriebe (4) mit einer Getriebeeingangswelle und einer Getriebeausgangswelle auf eine Antriebsachse zu übertragen, wobei die Getriebeeingangswelle mit der ersten Antriebswelle wirkverbindbar ist, um ein Drehmoment von der Brennkraftmaschine über die Getriebeausgangswelle auf die Antriebsachse zu übertragen, wobei die Getriebeeingangswelle und die erste Antriebswelle parallel zueinander angeordnet sind, dadurch gekennzeichnet, dass die Brennkraftmaschine (2) zumindest fünf Zylinder in Reihe und keinen stirnseitigen Nebenaggregateantrieb aufweist. Hybrid drive train (1) for a motor vehicle with at least one internal combustion engine (2) with a first drive shaft and an electrical machine (3) with a second drive shaft, the internal combustion engine (2) and the electrical machine (3) being designed to transmit a torque to transmit a transmission (4) with a transmission input shaft and a transmission output shaft to a drive axle, the transmission input shaft being operatively connectable to the first drive shaft in order to transmit a torque from the internal combustion engine via the transmission output shaft to the drive axle, the transmission input shaft and the first drive shaft being parallel are arranged to one another, characterized in that the internal combustion engine (2) has at least five cylinders in series and no front-side auxiliary drive. Hybridantriebsstrang nach Anspruch 1, wobei für die erste Antriebswelle ein Torsionsschwingungstilger vorgesehen ist, dadurch gekennzeichnet, dass der Torsionsschwingungstilger innerhalb eines Kurbelgehäuses der Brennkraftmaschine (2) angeordnet ist.Hybrid powertrain after Claim 1 , wherein a torsional vibration damper is provided for the first drive shaft, characterized in that the torsional vibration damper is arranged within a crankcase of the internal combustion engine (2). Hybridantriebsstrang nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die erste Antriebwelle und die zweite Antriebswelle wechselweise oder gleichzeitig mit der Getriebeeingangswelle koppel- oder entkoppelbar sind.Hybrid drive train according to one of the preceding claims, characterized in that the first drive shaft and the second drive shaft can be coupled or uncoupled alternately or simultaneously with the transmission input shaft. Hybridantriebsstrang nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass das Kurbelgehäuse eine kleinstmögliche Baulänge aufweist.Hybrid powertrain after Claim 2 or 3rd , characterized in that the crankcase has the smallest possible overall length.
DE102018129392.5A 2018-11-22 2018-11-22 Hybrid powertrain Pending DE102018129392A1 (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140034405A1 (en) * 2006-10-13 2014-02-06 The Ohio State University Research Foundation Powertrain, vehicle and methods
DE102017221775A1 (en) 2017-12-04 2019-06-06 Bayerische Motoren Werke Aktiengesellschaft Hybrid powertrain

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140034405A1 (en) * 2006-10-13 2014-02-06 The Ohio State University Research Foundation Powertrain, vehicle and methods
DE102017221775A1 (en) 2017-12-04 2019-06-06 Bayerische Motoren Werke Aktiengesellschaft Hybrid powertrain

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