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AT511356B1 - DRIVE TRAIN FOR ONE VEHICLE - Google Patents

DRIVE TRAIN FOR ONE VEHICLE Download PDF

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Publication number
AT511356B1
AT511356B1 ATA1285/2011A AT12852011A AT511356B1 AT 511356 B1 AT511356 B1 AT 511356B1 AT 12852011 A AT12852011 A AT 12852011A AT 511356 B1 AT511356 B1 AT 511356B1
Authority
AT
Austria
Prior art keywords
transmission
shaft
internal combustion
combustion engine
input shaft
Prior art date
Application number
ATA1285/2011A
Other languages
German (de)
Other versions
AT511356A4 (en
Inventor
Georg Dipl Ing Helms
Helmut Dipl Ing Melde-Tuczai
Original Assignee
Avl List Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Avl List Gmbh filed Critical Avl List Gmbh
Priority to ATA1285/2011A priority Critical patent/AT511356B1/en
Priority to PCT/EP2012/062090 priority patent/WO2013000832A1/en
Application granted granted Critical
Publication of AT511356A4 publication Critical patent/AT511356A4/en
Publication of AT511356B1 publication Critical patent/AT511356B1/en

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Classifications

    • 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
    • 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 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 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 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
    • 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 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 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • 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
    • 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 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 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 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
    • 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
    • B60W30/20—Reducing vibrations in the driveline
    • 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
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0467—Elements of gearings to be lubricated, cooled or heated
    • F16H57/0475—Engine and gearing, i.e. joint lubrication or cooling or heating thereof
    • 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
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/048—Type of gearings to be lubricated, cooled or heated
    • F16H57/0482—Gearings with gears having orbital motion
    • F16H57/0484—Gearings with gears having orbital motion with variable gear ratio or for reversing rotary motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/48—Vibration dampers, e.g. dual mass flywheels
    • 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
    • F16H3/093—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 with two or more countershafts
    • F16H2003/0931—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 with two or more countershafts each countershaft having an output gear meshing with a single common gear on the output shaft
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/0203—Gearboxes; Mounting gearing therein the gearbox is associated or combined with a crank case of an engine
    • 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
    • F16H2200/0034—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds
    • 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
    • F16H2200/0056—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising seven forward speeds
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Automation & Control Theory (AREA)
  • Structure Of Transmissions (AREA)
  • General Details Of Gearings (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

Die Erfindung betrifft einen Antriebsstrang für ein Fahrzeug, insbesondere für ein Hybridfahrzeug, mit einem Getriebe (HT) mit zumindest einer Getriebeeingangswelle (11), wobei die Getriebeeingangswelle (11) über zumindest eine Trennkupplung (16) mit einer treibenden Welle (11) einer Brennkraftmaschine (ICE) verbunden ist. Um auf möglichst einfache Weise eine ausreichende Schmierölversorgung des Getriebes (HT) sicher zu stellen, ist vorgehen, dass die Brennkraftmaschine (ICE) und das Getriebe (HT) einen gemeinsamen Schmierölkreislauf aufweisen.The invention relates to a drive train for a vehicle, in particular for a hybrid vehicle, with a transmission (HT) having at least one transmission input shaft (11), wherein the transmission input shaft (11) via at least one separating clutch (16) with a driving shaft (11) of an internal combustion engine (ICE) is connected. In order to ensure a sufficient lubricating oil supply of the transmission (HT) in the simplest possible way, it is necessary that the internal combustion engine (ICE) and the transmission (HT) have a common lubricating oil circuit.

Description

österreichisches Patentamt AT511 356B1 2012-11-15Austrian Patent Office AT511 356B1 2012-11-15

Beschreibung [0001] Die Erfindung betrifft einen Antriebsstrang für ein Fahrzeug, insbesondere für ein Hybridfahrzeug, mit einem Getriebe mit zumindest einer Getriebeeingangswelle, wobei die Getriebeeingangswelle über zumindest eine Trennkupplung mit einer treibenden Welle einer Brennkraftmaschine verbunden ist, wobei die Brennkraftmaschine und das Getriebe einen gemeinsamen Schmierölkreislauf aufweisen.The invention relates to a drive train for a vehicle, in particular for a hybrid vehicle, with a transmission having at least one transmission input shaft, wherein the transmission input shaft is connected via at least one separating clutch to a driving shaft of an internal combustion engine, wherein the internal combustion engine and the transmission have a common Have lubricating oil circuit.

[0002] Bei Getrieben mit mehreren Gangstufen erzeugen die vorhandenen Wellen und Räder einen dichten Ölnebel, der Lagerstellen und Zahneingriffe ausreichend mit Öl versorgt. Insbesondere bei Planetengetrieben mit wenigen Getriebestufen ist der Innenraum des Getriebegehäuses von geschlossenen Rotationskörpern ausgefüllt. Im Fall der fehlenden Wellen und Räder muss die Ölversorgung anders bewerkstelligt werden, weil die Rotationskörper das Öl nur nach außen fördern und im Zentrum ein Ölmangel auftritt.In transmissions with multiple gear levels, the existing waves and wheels produce a dense oil mist, the bearings and gear meshes sufficiently supplied with oil. In particular, in planetary gears with few gear stages of the interior of the gear housing is filled by closed bodies of revolution. In the case of missing shafts and wheels, the oil supply must be done differently, because the rotary body convey the oil only to the outside and in the center an oil shortage occurs.

[0003] Aus den Veröffentlichungen WO 00/08359 A1, US 3, 447,400 A, DE 102 38 594 A1 und DE 102 55 727 A1 sind Planetengetriebe bekannt, deren Sonnenräder jeweils mit einem Laufrad einer Ölpumpe antriebsverbunden sind.From the publications WO 00/08359 A1, US 3, 447,400 A, DE 102 38 594 A1 and DE 102 55 727 A1 planetary gear are known, the sun gears are each drivingly connected to an impeller of an oil pump.

[0004] Die Druckschriften JP 2010/275 993 A, US 2007/283 919 A1 und DE 39 37 587 A1 offenbaren Antriebsstränge mit jeweils einem gemeinsamen Schmierölkreislauf für Brennkraftmaschine und Getriebe.Publications JP 2010/275 993 A, US 2007/283 919 A1 and DE 39 37 587 A1 disclose drive trains each having a common lubricating oil circuit for internal combustion engine and transmission.

[0005] Aufgabe der Erfindung ist es, bei einem Antriebsstrang der eingangs genannten Art die Schmierölversorgung im Bereich des Zentrums des Getriebes zu verbessern.The object of the invention is to improve the supply of lubricating oil in the region of the center of the transmission in a drive train of the type mentioned.

[0006] Erfindungsgemäß wird dies dadurch erreicht, dass das Getriebe unmittelbar an die Brennkraftmaschine grenzt, wobei die Trennkupplung auf der der Brennkraftmaschine abgewandten Seite des Getriebes angeordnet ist.According to the invention this is achieved in that the transmission is directly adjacent to the internal combustion engine, wherein the separating clutch is arranged on the side facing away from the engine of the transmission.

[0007] Vorzugsweise weisen Brennkraftmaschine und Getriebe ein gemeinsames Gehäuse auf.Preferably, the engine and transmission have a common housing.

[0008] Das gemeinsame Gehäuse und der gemeinsame Schmierölkreislauf erlauben eine Einsparung von Teilen und Bauraum, sowie eine kostengünstige Herstellung, und ermöglichen eine besonders steife Struktur.The common housing and the common lubricating oil circuit allow savings of parts and space, and a cost-effective production, and allow a particularly rigid structure.

[0009] Dabei ist es besonders vorteilhaft, wenn die erste Getriebeeingangswelle als Hohlwelle ausgebildet ist, wobei die vorzugsweise als Torsionsstab ausgebildete treibende Welle innerhalb der Hohlwelle angeordnet ist, und wobei vorzugsweise zwischen der treibenden Welle und der Hohlwelle ein Ringraum ausgebildet ist [0010] Das Getriebe weist bevorzugt zumindest ein Planetengetriebe mit zumindest einem um eine zentrale Achse drehbar gelagerten Sonnenrad auf, welches vorzugsweise drehfest mit der Eingangswelle verbunden ist.It is particularly advantageous if the first transmission input shaft is formed as a hollow shaft, wherein the preferably designed as a torsion bar driving shaft is disposed within the hollow shaft, and wherein preferably between the driving shaft and the hollow shaft, an annular space is formed [0010] Transmission preferably has at least one planetary gear with at least one rotatably mounted about a central axis sun gear, which is preferably rotatably connected to the input shaft.

[0011] Zur Ölversorgung des Getriebes weist die treibende Welle zumindest einen mit einem ölführenden Raum der Brennkraftmaschine verbundenen Ölkanal auf, welcher bevorzugt über zumindest eine radiale Bohrung in der treibenden Welle, vorzugsweise über den Ringraum und/oder ein Lager der Getriebeeingangswelle, mit dem Inneren des Getriebes, insbesondere des Planetengetriebes, strömungsverbunden ist. Der Ringraum kann an dem der Brennkraftmaschine abgewandten Ende gegenüber der Umgebung über eine Wellendichtung abgedichtet sein.For oil supply to the transmission, the driving shaft has at least one connected to an oil-carrying space of the engine oil passage, which preferably via at least one radial bore in the driving shaft, preferably via the annulus and / or a bearing of the transmission input shaft, with the interior of the transmission, in particular of the planetary gear, is fluidly connected. The annular space can be sealed off from the surroundings by way of a shaft seal at the end facing away from the internal combustion engine.

[0012] In den Antriebsstrang kann zumindest eine elektrische Maschine integriert sein, welche, vorzugsweise über zumindest ein Hohlrad des Planetengetriebes, mit der Getriebeeingangswelle drehverbindbar ist.In the drive train, at least one electric machine may be integrated, which, preferably via at least one ring gear of the planetary gear, is drehverbindbar with the transmission input shaft.

[0013] Der „trockene" Kupplungsraum ist am Ende des „nassen" Gehäuses angeordnet. Dadurch kann - im Vergleich mit zwischen Brennkraftmaschine und Getriebe angeordneten Kupplungen - ein Wellendichtring eingespart werden. Die Abdichtung sowie die eventuelle Wartung der Kupplungen wird wesentlich vereinfacht und verbilligt, da Brennkraftmaschine und 1 /4The "dry" Clutch room is at the end of the "wet " Housing arranged. This can - be saved in comparison with arranged between the engine and transmission clutches - a shaft seal. The seal and the eventual maintenance of the clutches is much easier and cheaper, since the engine and 1/4

Claims (9)

österreichisches pstentamt AT511 356 B1 2012-11-15 Getriebe miteinander verbunden und an Ort und Stelle im Fahrzeug bleiben können. [0014] Die Erfindung wird im Folgenden anhand der Fig. näher erläutert. [0015] Die Fig. zeigt schematisch einen erfindungsgemäßen Antriebsstrang für ein Hybridfahrzeug mit einer Brennkraftmaschine ICE und einem Hybridgetriebe HT mit einem Planetengetriebe 1 im Längsschnitt. Brennkraftmaschine ICE und Getriebe HT weisen ein gemeinsames Gehäuse 4 auf. Im Gehäuse 4 ist eine durch eine Brennkraftmaschine ICE angetriebene Welle 11 drehbar angeordnet, welche über eine Trennkupplung 20 eine hohle Getriebeeingangswelle 2 antreibt, innerhalb welcher die Welle 11 geführt ist. Die Getriebeeingangswelle 2 und die angetriebene Welle 11 sind um eine zentrale Achse 1' drehbar gelagert. [0016] Ein Hohlrad 12 des Planetengetriebes 1 ist drehfest mit einem Rotor 13 einer elektrischen Maschine 14 verbunden. Über die elektrische Maschine 14 kann zusätzliches Antriebsmoment zugeführt oder ein Bremsmoment eingeleitet werden. Der Planetenträger 15 des Planetengetriebes 1, auf welchem Planetenräder 16 drehbar angeordnet sind, steht mit der treibenden Welle 21 in Verbindung. [0017] Die hohle Getriebeeingangswelle 2 ist fest mit dem Sonnenrad 2a des Planetengetriebes 1 verbunden. Die Getriebeeingangswelle 2 ist über ein erstes und ein zweites Lager 8, 10 im Getriebegehäuse 4 drehbar gelagert. Das erste Lager 8 ist dabei auf der der Brennkraftmaschine ICE abgewandten Seite des Planetengetriebes 1 angeordnet. Das zweite Lager 10 - hier ein Gleitlager -befindet sich auf der der Brennkraftmaschine ICE zugewandten Seite des Planetengetriebes 1. [0018] Zwischen der durch die Kurbelwelle 3 der Brennkraftmaschine ICE angetriebenen Welle 11 und der das Sonnenrad 2a tragenden hohlen Getriebeeingangswelle 2 ist ein Ringraum 19 ausgebildet. [0019] Die Versorgung des Planetengetriebes 1 mit Schmieröl ist gesichert, wenn Öl in die hohle Getriebeeingangswelle 2, beziehungsweise in den Ringraum 19 gebracht wird. Das Drucköl der Brennkraftmaschine ICE wird über einen zentrale Ölkanal 5 in der angetriebenen Welle 11 innerhalb der Getriebeeingangswelle 2 gebracht. Aus einem druckölführenden Raum 6 der Kurbelwelle 3 der Brennkraftmaschine ICE im Bereich der Wellenanbindung 7 zwischen der Kurbelwelle 3 und der treibenden Welle 11 tritt das Öl stirnseitig in die als Drehstab ausgebildete treibende Welle 11. Aus einer oder zwei radialen Bohrungen 9 in der treibenden Welle 11 gelangt das Öl in den Ringraum 19 innerhalb der Getriebeeingangswelle 2. Von dort verteilt es sich durch die Fliehkraft über die Lager 8, 10 in das Planetengetriebe 1. [0020] Die hohle Getriebeeingangswelle 2 ist zur Außenseite des Getriebes mit einem Wellenabdichtring 22 und die Welle 11 mit einem Wellendichtring 23 abgedichtet. Zur Brennkraftmaschine hin ist keine Abdichtung erforderlich, weil das Öl auf dieser Seite zu Schmierung von Getriebe zwischen- und -finalstufen verwendet werden kann. Patentansprüche 1. Antriebsstrang für ein Fahrzeug, insbesondere für ein Hybridfahrzeug, mit einem Getriebe (HT) mit zumindest einer Getriebeeingangswelle (2), wobei die Getriebeeingangswelle (2) über zumindest eine Trennkupplung (16) mit einer treibenden Welle (11) einer Brennkraftmaschine (ICE) verbunden ist, wobei die Brennkraftmaschine und das Getriebe einen gemeinsamen Schmierölkreislauf aufweisen, dadurch gekennzeichnet, dass das Getriebe (HT) unmittelbar an die Brennkraftmaschine (ICE) grenzt, wobei die Trennkupplung (16) auf der der Brennkraftmaschine (ICE) abgewandten Seite des Getriebes (HT) angeordnet ist.austrian pstentamt AT511 356 B1 2012-11-15 gearboxes can be connected together and stay in place in the vehicle. The invention will be explained in more detail below with reference to FIG. The figure shows schematically a drive train according to the invention for a hybrid vehicle with an internal combustion engine ICE and a hybrid transmission HT with a planetary gear 1 in longitudinal section. Internal combustion engine ICE and transmission HT have a common housing 4. In the housing 4, a driven by an internal combustion engine ICE shaft 11 is rotatably disposed, which drives a hollow transmission input shaft 2 via a separating clutch 20, within which the shaft 11 is guided. The transmission input shaft 2 and the driven shaft 11 are rotatably mounted about a central axis 1 '. A ring gear 12 of the planetary gear 1 is rotatably connected to a rotor 13 of an electric machine 14. Via the electric machine 14 additional drive torque can be supplied or a braking torque can be initiated. The planet carrier 15 of the planetary gear 1, on which planetary gears 16 are rotatably mounted, is connected to the driving shaft 21 in connection. The hollow transmission input shaft 2 is fixedly connected to the sun gear 2a of the planetary gear 1. The transmission input shaft 2 is rotatably supported in the transmission housing 4 via a first and a second bearing 8, 10. The first bearing 8 is arranged on the side facing away from the internal combustion engine ICE side of the planetary gear 1. The second bearing 10 - here a sliding bearing - is located on the side of the planetary gear 1 facing the internal combustion engine ICE. Between the shaft 11 driven by the crankshaft 3 of the internal combustion engine ICE and the hollow transmission input shaft 2 supporting the sun gear 2a is an annular space 19 educated. The supply of the planetary gear 1 with lubricating oil is ensured when oil is brought into the hollow transmission input shaft 2, or in the annular space 19. The pressure oil of the internal combustion engine ICE is brought via a central oil passage 5 in the driven shaft 11 within the transmission input shaft 2. From a pressurized oil-carrying space 6 of the crankshaft 3 of the internal combustion engine ICE in the shaft connection 7 between the crankshaft 3 and the driving shaft 11, the oil enters the end faces in the form of a torsion bar driving shaft 11. From one or two radial holes 9 in the driving shaft eleventh From there, it is distributed by the centrifugal force through the bearings 8, 10 in the planetary gear 1. The hollow transmission input shaft 2 is to the outside of the transmission with a Wellenabdichtring 22 and the shaft 11 sealed with a shaft seal 23. To the engine out no seal is required because the oil can be used on this page for lubrication of transmission between- and -finalstufen. 1. powertrain for a vehicle, in particular for a hybrid vehicle, with a transmission (HT) having at least one transmission input shaft (2), wherein the transmission input shaft (2) via at least one separating clutch (16) with a driving shaft (11) of an internal combustion engine ( ICE) is connected, wherein the internal combustion engine and the transmission have a common lubricating oil circuit, characterized in that the transmission (HT) directly adjacent to the internal combustion engine (ICE), wherein the separating clutch (16) on the side facing away from the internal combustion engine (ICE) Transmission (HT) is arranged. 2. Antriebsstrang nach Anspruch 1, dadurch gekennzeichnet, dass die Brennkraftmaschine (ICE) und das Getriebe (HT) innerhalb eines gemeinsamen Gehäuses (4) angeordnet sind. 2/4 österreichisches Patentamt AT511 356B1 2012-11-152. Drive train according to claim 1, characterized in that the internal combustion engine (ICE) and the transmission (HT) within a common housing (4) are arranged. 2/4 Austrian Patent Office AT511 356B1 2012-11-15 3. Antriebsstrang nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Getriebeeingangswelle (2) als Hohlwelle ausgebildet ist, wobei die vorzugsweise als Torsionsstab ausgebildete treibende Welle (11) innerhalb der Getriebeeingangswelle (2) angeordnet ist, und wobei vorzugsweise zwischen der treibenden Welle (11) und der Getriebeeingangswelle (2) ein Ringraum (19) ausgebildet ist.3. Drive train according to claim 1 or 2, characterized in that the transmission input shaft (2) is designed as a hollow shaft, wherein the preferably designed as a torsion bar driving shaft (11) within the transmission input shaft (2) is arranged, and preferably between the driving shaft (11) and the transmission input shaft (2) an annular space (19) is formed. 4. Antriebsstrang nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Getriebe (HT) zumindest ein Planetengetriebe (1) mit zumindest einem um eine zentrale Achse (T) drehbar gelagerten Sonnenrad (2a) aufweist.4. Drive train according to one of claims 1 to 3, characterized in that the transmission (HT) at least one planetary gear (1) with at least one about a central axis (T) rotatably mounted sun gear (2a). 5. Antriebsstrang nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das Sonnenrad (2a) drehtest mit der ersten Getriebeeingangswelle (2) verbunden ist.5. Drive train according to one of claims 1 to 4, characterized in that the sun gear (2a) rotatable test with the first transmission input shaft (2) is connected. 6. Antriebsstrang nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die treibende Welle (11) zumindest einen mit einem ölführenden Raum (6) der Brennkraftmaschine (ICE) verbundenen Ölkanal (5) aufweist.6. Drive train according to one of claims 1 to 5, characterized in that the driving shaft (11) has at least one connected to an oil-carrying space (6) of the internal combustion engine (ICE) oil passage (5). 7. Antriebsstrang nach Anspruch 6, dadurch gekennzeichnet, dass der Ölkanal (5) über zumindest eine radiale Bohrung (9) in der treibenden Welle (11). vorzugsweise über den Ringraum (19) und/oder ein Lager (8, 10) der Getriebeeingangswelle (2), mit dem Inneren (1a) des Getriebes (HT), insbesondere des Planetengetriebes (1), strömungsverbunden ist.7. Drive train according to claim 6, characterized in that the oil passage (5) via at least one radial bore (9) in the driving shaft (11). preferably via the annular space (19) and / or a bearing (8, 10) of the transmission input shaft (2), with the interior (1 a) of the transmission (HT), in particular of the planetary gear (1) is fluidly connected. 8. Antriebsstrang nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Ringraum (19) an einem der Brennkraftmaschine (ICE) abgewandten Ende gegenüber der Umgebung abgedichtet ist.8. Drive train according to one of claims 1 to 7, characterized in that the annular space (19) on one of the internal combustion engine (ICE) facing away from the environment is sealed off. 9. Antriebsstrang nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass zumindest eine elektrische Maschine (14) in den Antriebsstrang integriert ist, welche, vorzugsweise über zumindest ein Hohlrad (12) des Planetengetriebes (1), mit der Getriebeeingangswelle (2) drehverbindbar ist. Hierzu 1 Blatt Zeichnungen 3/49. Drive train according to one of claims 1 to 8, characterized in that at least one electric machine (14) is integrated in the drive train, which, preferably via at least one ring gear (12) of the planetary gear (1), with the transmission input shaft (2). is drehverbindbar. 1 sheet of drawings 3/4
ATA1285/2011A 2011-06-30 2011-09-08 DRIVE TRAIN FOR ONE VEHICLE AT511356B1 (en)

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WO2013000829A1 (en) 2013-01-03
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AT511356A4 (en) 2012-11-15
AT511632B1 (en) 2013-04-15

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