DE102008040494A1 - Hybrid transmission of a hybrid powertrain of a motor vehicle - Google Patents

Hybrid transmission of a hybrid powertrain of a motor vehicle Download PDF

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Publication number
DE102008040494A1
DE102008040494A1 DE102008040494A DE102008040494A DE102008040494A1 DE 102008040494 A1 DE102008040494 A1 DE 102008040494A1 DE 102008040494 A DE102008040494 A DE 102008040494A DE 102008040494 A DE102008040494 A DE 102008040494A DE 102008040494 A1 DE102008040494 A1 DE 102008040494A1
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DE
Germany
Prior art keywords
hybrid
electric machine
oil
transmission
plate clutch
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
DE102008040494A
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German (de)
Inventor
Kai BORNTRÄGER
Rene Budach
Bernhard Hunold
Max Bachmann
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ZF Friedrichshafen AG
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ZF Friedrichshafen AG
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Filing date
Publication date
Application filed by ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Priority to DE102008040494A priority Critical patent/DE102008040494A1/en
Priority to PCT/EP2009/059142 priority patent/WO2010007122A1/en
Publication of DE102008040494A1 publication Critical patent/DE102008040494A1/en
Withdrawn legal-status Critical Current

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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 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
    • B60K6/26—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 motors or the generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
    • 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
    • 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
    • B60K6/405—Housings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54—Transmission for changing ratio
    • B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/12—Details not specific to one of the before-mentioned types
    • F16D25/123—Details not specific to one of the before-mentioned types in view of cooling and lubrication
    • 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
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/62—Gearings having three or more central gears
    • F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/108—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction clutches
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • 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
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/201—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with three sets of orbital gears
    • 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
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
    • F16H2200/2043—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with five engaging means
    • 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
    • F16H57/0473—Friction devices, e.g. clutches or brakes
    • 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
    • F16H57/0476—Electric machines and gearing, i.e. joint lubrication or cooling or heating thereof
    • 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)
  • Power Engineering (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Arrangement Of Transmissions (AREA)

Abstract

Es wird ein Hybridgetriebe eines Hybridantriebsstrangs eines Kraftfahrzeugs umfassend ein Basisgetriebe (4) und eine Hybridbaugruppe (3) mit zumindest einer elektrischen Maschine (6) und zumindest einer nassen Lamellenkupplung (7) vorgeschlagen, bei dem die elektrische Maschine (6) in den Nassraum des Hybridgetriebes integriert ist, wodurch diese wie das Basisgetriebe (4) und die zumindest eine nasse Lamellenkupplung (6) im Ölnebel läuft.A hybrid transmission of a hybrid drive train of a motor vehicle comprising a base transmission (4) and a hybrid assembly (3) with at least one electric machine (6) and at least one wet multi-plate clutch (7) is proposed, in which the electric machine (6) enters the wet space of the Hybrid transmission is integrated, whereby this like the base gear (4) and the at least one wet multi-plate clutch (6) runs in the oil mist.

Description

Die vorliegende Erfindung bezieht sich auf ein Hybridgetriebe eines Hybridantriebsstrangs eines Kraftfahrzeugs umfassend ein Basisgetriebe und eine Hybridbaugruppe gemäß dem Obertbegriff des Patentanspruchs 1The The present invention relates to a hybrid transmission of a Hybrid powertrain of a motor vehicle comprising a base gear and a hybrid assembly according to the generic term of claim 1

Aus dem Stand der Technik sind Hybridfahrzeuge umfassend ein Hybridgetriebe enthaltend ein Basisgetriebe und eine Hybridbaugruppe bekannt. Sie umfassen zusätzlich zu dem Verbrennungsmotor zumindest einen Elektromotor bzw. eine elektrische Maschine, welche je nach Betriebszustand motorisch oder generatorisch betrieben werden kann. Bei seriellen Hybridfahrzeugen wird ein Generator vom Verbrennungsmotor angetrieben, wobei der Generator den die Räder antreibenden Elektromotor mit elektrischer Energie versorgt.Out In the prior art are hybrid vehicles comprising a hybrid transmission containing a base gear and a hybrid assembly known. she include in addition to the internal combustion engine at least one electric motor or a electric machine, which depending on the operating condition motor or can be operated as a generator. For serial hybrid vehicles a generator is driven by the internal combustion engine, wherein the Generator the wheels driving electric motor supplied with electrical energy.

Des weiteren sind parallele Hybridfahrzeuge bekannt, bei denen eine Addition der Drehmomente des Verbrennungsmotors und zumindest einer mit dem Verbrennungsmotor verbindbaren elektrischen Maschine vorzugsweise mittels eines Summierungsgetriebes, beispielsweise mittels eines Planetengetriebes erfolgt. Hierbei ist die zumindest eine elektrische Maschine mit dem Riementrieb oder mit der Kurbelwelle des Verbrennungsmotors verbindbar. Die vom Verbrennungsmotor und/oder der zumindest einen elektrischen Maschine erzeugten Drehmomente werden über ein nachgeschaltetes Getriebe an die angetriebene Achse übertragen.Of Further parallel hybrid vehicles are known in which a Addition of the torques of the internal combustion engine and at least one preferably connectable to the internal combustion engine electric machine by means of a summation gear, for example by means of a Planetary gear is done. Here, the at least one electrical Machine with the belt drive or with the crankshaft of the internal combustion engine connectable. The from the internal combustion engine and / or the at least one electric machine generated torques are over transmitted downstream transmission to the driven axle.

Aus dem Stand der Technik sind Hybridantriebsstränge bekannt, bei denen die Getriebeeingangswelle mittels einer vorzugsweise nassen Lamellenkupplung mit dem Abtrieb der Elektromaschine bzw. eines Summierungsgetriebes der Hybridbaugruppe, in dem die Momente der Elektromaschine und des Verbrennungsmotors aufsummiert werden, lösbar verbindbar ist.Out The prior art hybrid powertrains are known in which the Transmission input shaft by means of a preferably wet multi-plate clutch with the output of the electric machine or a summation gear the hybrid assembly, in which the moments of the electric machine and of the internal combustion engine are summed, is detachably connectable.

Ferner sind Hybridantriebsstränge bekannt, bei denen der Verbrennungsmotor durch Öffnen einer Lamellenkupplung von der elektrischen Maschine und somit vom Antriebsstrang abkoppelbar ist, wobei der Getriebeeingang mittels einer weiteren Kupplung mit dem Abtrieb der Elektromaschine bzw. eines Summierungsgetriebes der Hybridbaugruppe, in dem die Momente der Elektromaschine und des Verbrennungsmotors aufsummiert werden, lösbar verbindbar ausgeführt sein kann.Further are hybrid powertrains known in which the internal combustion engine by opening a multi-plate clutch from the electric machine and thus decoupled from the drive train is, wherein the transmission input by means of another coupling with the output of the electric machine or a summation the hybrid assembly, in which the moments of the electric machine and be summed up the internal combustion engine, be made releasably connectable can.

Nach dem Stand der Technik läuft bei Hybridgetrieben das Basisgetriebe und die zumindest eine als nasse Lamellenkupplung ausgeführte Kupplung der Hybridbaugruppe im Ölnebel; zudem wird die Mitnahmeverzahnung zum Verbrennungsmotoranschluss mit Öl geschmiert, um Passungsrost zu verhindern. Hierbei ist der Bereich um die elektrische Maschine der Hybridbaugruppe als Trockenraum ausgeführt.To the state of the art is running in hybrid transmissions, the base gear and the at least one as wet multi-plate clutch executed Coupling of the hybrid assembly in the oil mist; In addition, the driving teeth for internal combustion engine connection with oil lubricated to prevent fretting corrosion. Here is the area around the electric machine of the hybrid module designed as a drying room.

In nachteiliger Weise müssen diese Getriebebereiche eines Hybridgetriebes gegeneinander und nach außen hin abgedichtet werden. Zum einen verursacht jede Dichtstelle Kosten; zum anderen kann eine Dichtstelle ausfallen, wodurch die Zuverlässigkeit des Getriebes reduziert wird und Verlustmomente sowie Verlustwärme verursacht werden.In adversely these transmission ranges of a hybrid transmission against each other and after Outside sealed off. On the one hand, every sealing site causes costs; on the other hand, a sealing point can fail, reducing the reliability of the transmission is reduced and causes loss of torque and heat loss become.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Hybridgetriebe umfassend ein Basisgetriebe und eine Hybridbaugruppe mit zumindest einer elektrischen Maschine und zumindest einer nassen Lamellenkupplung anzugeben, bei dem die Anzahl der Dichtstellen reduziert wird.Of the present invention is based on the object, a hybrid transmission comprising a base gear and a hybrid assembly with at least an electric machine and at least one wet multi-plate clutch specify that the number of sealing points is reduced.

Diese Aufgabe wird durch die Merkmale des Patentanspruchs 1 gelöst. Weitere erfindungsgemäße Ausgestaltungen und Vorteile gehen aus den Unteransprüchen hervor.These The object is solved by the features of claim 1. Further Embodiments of the invention and advantages are apparent from the dependent claims.

Demnach wird vorgeschlagen, die zumindest eine elektrische Maschine in den Nassraum des Hybridgetriebes zu integrieren, so dass diese wie das Basisgetriebe und die zumindest eine nasse Lamellenkupplung im Ölnebel läuft.Therefore It is proposed that at least one electric machine in the Wet space of the hybrid transmission to integrate, so this as the base gear and the at least one wet multi-plate clutch runs in the oil mist.

Durch diese Konzeption ist nur eine Dichtstelle erforderlich, nämlich die Dichtstelle zum Verbrennungsmotoranschluss, wobei die Abdichtung mittels einer Dichteinrichtung, vorzugsweise mittels eines Wellendichtrings erfolgt; die Mitnahmeverzahnung zum Motoranschluss ist ölgeschmiert und mit abgedichtet.By this conception requires only one sealing point, namely the Sealing point for combustion engine connection, wherein the seal means a sealing device, preferably by means of a shaft seal he follows; the driving toothing to the motor connection is oil lubricated and sealed.

Bei der nassen Lamellenkupplung kann es sich je nach Ausführung des Antriebsstrangs um eine Kupplung handeln, über die der Getriebeeingang des Basisgetriebes mit dem Abtrieb der Elektromaschine bzw. eines Summierungsgetriebes, in dem die Momente der Elektromaschine und des Verbrennungsmotors aufsummiert werden, lösbar verbindbar ist oder um eine Kupplung handeln, über die der Verbrennungsmotor von der elektrischen Maschine und vom Antriebsstrang abkoppelbar ist.at The wet multi-plate clutch may vary depending on the design of the Powertrain to act on a clutch through which the transmission input of the base gear with the output of the electric machine or a Summation gear, in which the moments of the electric machine and of the internal combustion engine are summed, is detachably connectable or to a clutch acting over the internal combustion engine of the electric machine and of the Powertrain is decoupled.

Die Erfindung wird im folgenden anhand der beigefügten Figuren beispielhaft näher erläutert. Es zeigen:The The invention will be explained in more detail below with reference to the accompanying figures by way of example. Show it:

1: Eine schematische Ansicht einer Ausführungsform eines Hybridantriebsstrangs eines Kraftfahrzeugs, bei dem der Verbrennungsmotor mittels einer nassen Lamellenkupplung von der elektrischen Maschine und vom Antriebsstrang abkoppelbar ist; und 1 : A schematic view of an embodiment of a hybrid powertrain of a motor vehicle, in which the internal combustion engine by means of a wet multi-plate clutch of the electric machine and the drive train is decoupled; and

2: Eine schematische Schnittansicht der Hybridbaugruppe der Ausführungsform nach 1 zur Ver anschaulichung des erfindungsgemäßen Dichtungskonzeptes. 2 FIG. 3 is a schematic sectional view of the hybrid assembly of the embodiment of FIG 1 to Ver anschaulichung the sealing concept of the invention.

Der in 1 gezeigte Hybridantriebsstrang umfasst ein Basisgetriebe 4, welches gemäß dem Stand der Technik in Planetenbauweise ausgeführt ist und eine dem Getriebe 4 vorgeschaltete Hybridbaugruppe 3, welche eine elektrische Maschine 6 mit einem Stator 15 und einem Rotor 11 aufweist.The in 1 shown hybrid powertrain includes a base gear 4 , which is carried out according to the prior art in planetary construction and one the transmission 4 upstream hybrid module 3 which is an electric machine 6 with a stator 15 and a rotor 11 having.

Ferner umfasst die Hybridbaugruppe 3 eine Lamellenkupplung 7, welche die mit dem Verbrennungsmotor verbundene Antriebswelle 1 mit der elektrischen Maschine 6 und dem Getriebe 4 lösbar verbindet.Further, the hybrid assembly includes 3 a multi-plate clutch 7 , which is the drive shaft connected to the internal combustion engine 1 with the electric machine 6 and the transmission 4 releasably connects.

In 1 ist die Abtriebswelle des Getriebes 4 mit 2 bezeichnet; sie kann mit der angetriebenen Fahrzeugachse beispielsweise mittels einer Kardanwelle verbunden sein. Auf der Antriebswelle 1 ist vor der Kupplung 7 ein Torsionsdämpfer 5 angeordnet. Ferner ist ein Retarder vorgesehen, welcher in 1 mit dem Bezugszeichen 14 versehen istIn 1 is the output shaft of the gearbox 4 With 2 designated; it can be connected to the driven vehicle axle, for example by means of a propeller shaft. On the drive shaft 1 is in front of the clutch 7 a torsion damper 5 arranged. Furthermore, a retarder is provided, which in 1 with the reference number 14 is provided

Gemäß der Erfindung und bezugnehmend auf 2 ist die elektrische Maschine 6 in den Nassraum des Hybridgetriebes integriert, wodurch diese wie das Basisgetriebe 4 und die zumindest eine nasse Lamellenkupplung 6 im Ölnebel läuft. Dadurch entfällt die Notwendigkeit einer Dichtstelle zwischen der elektrischen Maschine und der Kupplung 7 bzw. dem Nassraum des Hybridgetriebes.According to the invention and referring to 2 is the electric machine 6 integrated into the wet area of the hybrid transmission, making this as the base gear 4 and the at least one wet multi-plate clutch 6 running in oil mist. This eliminates the need for a sealing point between the electrical machine and the clutch 7 or the wet space of the hybrid transmission.

Wie aus 2 ersichtlich, ist nur eine Dichtstelle erforderlich, nämlich die Dichtstelle zum Verbrennungsmotoranschluss, wobei die Abdichtung mittels eines Wellendichtrings 8 erfolgt; die Mitnahmeverzahnung 9 zum Motoranschluss ist ölgeschmiert und mit abgedichtet.How out 2 can be seen, only one sealing point is required, namely the sealing point to the engine port, the seal by means of a shaft seal 8th he follows; the driving toothing 9 to the motor connection is oil lubricated and sealed.

Erfindungsgemäß panscht der Rotor 11 der elektrischen Maschine nicht im Getriebeöl, da der Luftspalt 10 der elektrischen Maschine zwischen Rotor 11 und Stator 15 bei Drehung des Rotors 11 freigefördert wird und das überschüssige Öl in den Ölsumpf 13 abfließt.According to the invention, the rotor is spreading 11 the electric machine is not in the transmission oil, since the air gap 10 the electric machine between rotor 11 and stator 15 upon rotation of the rotor 11 is freed and the excess oil in the oil sump 13 flows.

Gemäß einer vorteilhaften Weiterbildung der Erfindung sind geeignete Abschirmeinrichtungen 12, beispielsweise Abschirmbleche vorgesehen, durch die der Luftspalt 10 der elektrischen Maschine gegen Schwallöl aufgrund der Fahrzeugbewegung aus dem Ölsumpf 13 abgeschirmt wird.According to an advantageous embodiment of the invention are suitable shielding 12 , For example, provided shielding plates through which the air gap 10 the electric machine against wave oil due to the vehicle movement from the oil sump 13 is shielded.

Gemäß der Erfindung kann die elektrische Maschine mittels des zur Kühlung der zumindest einen nassen Lamellenkupplung der Hybridbaugruppe benutzten Getriebeöls gekühlt werden. Dadurch wird das ohnehin vorhandene Getriebeöl benutzt, um eine effektive Kühlung der elektrischen Maschine zu gewährleisten. Im Gegensatz zum Stand der Technik, wonach die Wärme des feststehenden Stators 15 der elektrischen Maschine durch ein Kühlmedium mittels eines gehäusefesten Kühlkanals abgeführt wird, wird in vorteilhafter Weise auch der Rotor 11 der elektrischen Maschine gekühlt.According to the invention, the electric machine can be cooled by means of the transmission oil used for cooling the at least one wet multi-plate clutch of the hybrid module. As a result, the already existing transmission oil is used to ensure effective cooling of the electric machine. In contrast to the prior art, according to which the heat of the stationary stator 15 the electric machine is removed by a cooling medium by means of a housing-fixed cooling channel, is advantageously the rotor 11 the electric machine cooled.

Die Lamellenkupplung 7 wird, wie es aus dem Stand der Technik bekannt ist, zur Kühlung radial mit Getriebeöl durchströmt. Nach dem Durchströmen der Kupplung 7 wird das Öl radial abgeschleudert und trifft auf die rotierende Innenfläche des drehenden Rotors 11 der elektrischen Maschine 6, wo es in Kontakt mit der Innenfläche Wärme des Rotors aufnimmt, was in einer Kühlung des Rotors resultiert.The multi-plate clutch 7 is, as is known from the prior art, flowed through radially with gear oil for cooling. After flowing through the coupling 7 The oil is thrown off radially and impinges on the rotating inner surface of the rotating rotor 11 the electric machine 6 where it receives heat from the rotor in contact with the inner surface, resulting in cooling of the rotor.

Anschließend kann das Öl durch geeignete Passagen axial abströmen und wird an den Enden des Rotors 11 radial in Richtung auf den Stator 15 abgeschleudert, wo es auf die Wickelköpfe 16 des Stators trifft, wodurch dem Stator Wärme entzogen wird. In einem nächsten Schritt sammelt sich das erhitzte Öl im Getriebesumpf 13 und wird in den Kühlkreislauf eingespeist.Subsequently, the oil can flow off axially through suitable passages and is at the ends of the rotor 11 radially in the direction of the stator 15 thrown off where it is on the windings 16 of the stator, whereby the stator heat is removed. In a next step, the heated oil accumulates in the transmission sump 13 and is fed into the cooling circuit.

11
Antriebswelledrive shaft
22
Abtriebswelleoutput shaft
33
Hybridbaugruppehybrid module
44
Basisgetriebebasic transmission
55
TorsionsdämpferDampers
66
Elektrische Maschineelectrical machine
77
Lamellenkupplungmulti-plate clutch
88th
WellendichtringShaft seal
99
Mitnahmeverzahnung zum Verbrennungsmotoranschlussengaging gears to the combustion engine connection
1010
Luftspaltair gap
1111
Rotorrotor
1212
Abschirmeinrichtungshielding
1313
Ölsumpfoil sump
1414
Retarderretarder
1515
Statorstator
1616
Wickelkopfwinding

Claims (6)

Hybridgetriebe eines Hybridantriebsstrangs eines Kraftfahrzeugs umfassend ein Basisgetriebe (4) und eine Hybridbaugruppe (3) mit zumindest einer elektrischen Maschine (6) und zumindest einer nassen Lamellenkupplung (7), dadurch gekennzeichnet, dass die elektrische Maschine (6) in den Nassraum des Hybridgetriebes integriert ist, wodurch diese wie das Basisgetriebe (4) und die zumindest eine nasse Lamellenkupplung (6) im Ölnebel läuft.Hybrid transmission of a hybrid powertrain of a motor vehicle comprising a base transmission ( 4 ) and a hybrid assembly ( 3 ) with at least one electrical machine ( 6 ) and at least one wet multi-plate clutch ( 7 ), characterized in that the electric machine ( 6 ) is integrated in the wet space of the hybrid transmission, whereby this like the base gear ( 4 ) and the at least one wet multi-plate clutch ( 6 ) runs in the oil mist. Hybridgetriebe nach Anspruch 1, dadurch gekennzeichnet, dass nur eine Dichtstelle erforderlich ist, nämlich die Dichtstelle zum Verbrennungsmotoranschluss, wobei die Abdichtung mittels eines Wellendichtrings (8) erfolgt und wobei die Mitnahmeverzahnung (9) zum Verbrennungsmotoranschluss ölgeschmiert und mit abgedichtet ist.Hybrid transmission according to claim 1, characterized ge indicates that only one sealing point is required, namely the sealing point for the internal combustion engine connection, wherein the sealing by means of a shaft sealing ring ( 8th ) and wherein the driving teeth ( 9 ) is oil lubricated to the engine port and sealed with. Hybridgetriebe nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Luftspalt (10) der elektrischen Maschine bei Drehung des Rotors (11) freigefördert wird und das überschüssige Öl in den Ölsumpf (13) abfließt.Hybrid transmission according to claim 1 or 2, characterized in that the air gap ( 10 ) of the electric machine during rotation of the rotor ( 11 ) and the excess oil in the oil sump ( 13 ) drains off. Hybridgetriebe nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, dass Abschirmeinrichtungen (12) vorgesehen sind, durch die der Luftspalt (10) der elektrischen Maschine gegen Schwallöl aufgrund der Fahrzeugbewegung aus dem Ölsumpf (13) abgeschirmt wird.Hybrid transmission according to claim 1, 2 or 3, characterized in that shielding devices ( 12 ) are provided, through which the air gap ( 10 ) of the electric machine against wave oil due to the vehicle movement from the oil sump ( 13 ) is shielded. Hybridgetriebe nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Lamellenkupplung (7) eine Kupplung ist, über die der Getriebeeingang des Basisgetriebes (4) mit dem Abtrieb der Elektromaschine (6) bzw. eines Summierungsgetriebes, in dem die Momente der Elektromaschine (8) und des Verbrennungsmotors aufsummiert werden, lösbar verbindbar ist.Hybrid transmission according to one of the preceding claims, characterized in that the multi-plate clutch ( 7 ) is a coupling via which the transmission input of the basic transmission ( 4 ) with the output of the electric machine ( 6 ) or a summation gear, in which the moments of the electric machine ( 8th ) and the internal combustion engine are added, is detachably connectable. Hybridgetriebe nach einem der vorangehenden Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Lamellenkupplung (7) eine Kupplung ist, über die der Verbrennungsmotor von der elektrischen Maschine (6) und vom Antriebsstrang abkoppelbar ist.Hybrid transmission according to one of the preceding claims 1 to 4, characterized in that the multi-plate clutch ( 7 ) is a coupling, via which the internal combustion engine of the electric machine ( 6 ) and can be decoupled from the drive train.
DE102008040494A 2008-07-17 2008-07-17 Hybrid transmission of a hybrid powertrain of a motor vehicle Withdrawn DE102008040494A1 (en)

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