WO2010060771A1 - Method for avoiding rattling noises in the hybrid transmission of a hybrid vehicle - Google Patents

Method for avoiding rattling noises in the hybrid transmission of a hybrid vehicle Download PDF

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Publication number
WO2010060771A1
WO2010060771A1 PCT/EP2009/064688 EP2009064688W WO2010060771A1 WO 2010060771 A1 WO2010060771 A1 WO 2010060771A1 EP 2009064688 W EP2009064688 W EP 2009064688W WO 2010060771 A1 WO2010060771 A1 WO 2010060771A1
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WO
WIPO (PCT)
Prior art keywords
transmission
hybrid
electric machine
gear
internal combustion
Prior art date
Application number
PCT/EP2009/064688
Other languages
German (de)
French (fr)
Inventor
Bernard Hunold
Max Bachmann
Rene Budach
Kai Borntraeger
Original Assignee
Zf Friedrichshafen Ag
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Publication date
Application filed by Zf Friedrichshafen Ag filed Critical Zf Friedrichshafen Ag
Publication of WO2010060771A1 publication Critical patent/WO2010060771A1/en

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Classifications

    • 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, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/18—Propelling the vehicle
    • B60W30/20—Reducing vibrations in the driveline
    • 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
    • B60K6/42—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
    • B60K6/50—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/42—Drive Train control parameters related to electric machines
    • B60L2240/423—Torque
    • 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
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/08—Electric propulsion units
    • B60W2710/083—Torque
    • 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
    • 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
    • Y02T10/64—Electric machine technologies in electromobility

Definitions

  • the present invention relates to a method for preventing rattle noise in the hybrid transmission of a hybrid vehicle comprising a base gear and a hybrid assembly having at least one coupled via a transmission to the drive train electrical machine according to the
  • hybrid vehicles comprising a hybrid transmission comprising a base transmission and a hybrid assembly, wherein the hybrid assembly generally replaces a hydrodynamic torque converter.
  • the hybrid assembly generally replaces a hydrodynamic torque converter.
  • they comprise at least one electric machine, which as a rule is connected to the base gearbox via a gearbox designed as a planetary gearbox, which can be operated as a motor or as a generator depending on the operating state.
  • a generator is powered by the internal combustion engine
  • the at least one electric machine can be connected to the belt drive or to the crankshaft of the internal combustion engine.
  • the torques generated by the internal combustion engine and / or the at least one electric machine are transmitted to the driven axle via a downstream transmission.
  • the drive shaft of the Hybridgefriebes with the engine and the output width is connected, for example by means of a propeller shaft with a vehicle axle.
  • a torsion damper is arranged at the entrance of the hybrid transmission, wherein the internal combustion engine by means of a
  • drivetrain is the transmission input shaft also by means of an electric machine line with the shaft
  • the present invention has for its object to provide a method by the implementation of vibrations and thus rattle noise in the hybrid transmission of a hybrid vehicle, comprising a Basisgetriefc and a hybrid assembly with at least one via a transmission to the drive train coupled electric machine, largely avoided
  • the electric machine can be operated as a function of the hybrid strategy by motor or generator.
  • a hybrid transmission 11 comprises a prior art basic transmission 4 S, which is usually designed as an automatic transmission, and a hybrid assembly 3.
  • the hybrid assembly comprises an electric machine 13 with a rotor 8 and a stator 9 and a planetary gear 7 designed as a gear, the rotor 8 is connected to the Hohirad 14 of the planetary gear 7 and the So ⁇ nenrad 15 of Pianetengetriebes 7 is coupled to a housing 16.
  • the drive shaft 1 connected to the non-illustrated engine is connected via a torsional damper 5 to the drive side of a separating clutch 6, whose output side with the
  • the output width of the transmission 11 is provided with the reference numeral 2; Furthermore, in the figure by the reference numeral 12 denotes a retarder.
  • the hybrid module also includes an energy storage, not shown, which is loaded depending on the operating mode of the electric machine
  • ment b is executed as " ⁇ development, for example as a hydraulically operated Federvc multi-plate clutch. With closed disconnect clutch

Abstract

The invention relates to a method for avoiding rattling noises in the hybrid transmission of a hybrid vehicle, comprising a base transmission (4) and a hybrid assembly (3) having at least one electric machine (13), which is joined to the drive train through a transmission (7), wherein the at least one electric machine (13) is operated at low partial load during the operation of the internal combustion engine in order to ensure the contact of the load flank and a centering in the transmission (7), whereby vibration of the teeth of the transmission (7) and thus rattling noises are avoided.

Description

von eines Hybridfahrzeugs from a hybrid vehicle
Die vorliegende Erfindung bezieht sich auf ein Verfahren zur Vermeidung von Rasselgeräuschen im Hybridgetriebe eines Hybridfahrzeugs umfassend eir Basisgetriebe und eine Hybridbaugruppe mit zumindest einer über ein Getriebe an den Antriebsstrang gekoppelten elektrischen Maschine gemäß demThe present invention relates to a method for preventing rattle noise in the hybrid transmission of a hybrid vehicle comprising a base gear and a hybrid assembly having at least one coupled via a transmission to the drive train electrical machine according to the
1.1.
Aus dem Stand der Technik sind Hybridfahrzeuge umfassend ein Hyb- snthaltend ein Basisgetriebe und eine Hybridbaugruppe bekannt, wobei die Hybridbaugruppe in der Regel einen hydrodynamischen Drehmomentwandler ersetzt. Sie umfassen zusätzlich zu dem Verbrennungsmotor zumindest eine in der Regel über ein als Pfanetengetriebe ausgeführtes Getriebe an das Basisgetriebe gekoppelte elektrische Maschine, welche je nach Betriebszustand motorisch oder generatorisch betrieben werden kann. Bei seriellen Hybridfahrzeugen wird ein Generator vom Verbrennungsmotor angetrieben,The prior art discloses hybrid vehicles comprising a hybrid transmission comprising a base transmission and a hybrid assembly, wherein the hybrid assembly generally replaces a hydrodynamic torque converter. In addition to the internal combustion engine, they comprise at least one electric machine, which as a rule is connected to the base gearbox via a gearbox designed as a planetary gearbox, which can be operated as a motor or as a generator depending on the operating state. In serial hybrid vehicles, a generator is powered by the internal combustion engine,
Energie versorgt.Energy supplied.
parallele Hybndfahrzeuge bekannt, bei denen eine Addition der Drehmomente des Verbrennungsmotors und zumindest einer mit dem Verbrennungsmotor verbindbaren elektrischen Maschine vorzugsweise mitteis eines Sumrπierungsgetriebes, beispieisweise mittels eines Pianetengetriebes 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. Hierbei ist die Antriebswelle des Hybridgefriebes mit dem Verbrennungsmotor und die Abtriebsweite beispielsweise mittels einer Kardanwelle mit einer Fahrzeugachse verbunden. In der Regel ist am Eingang des Hybridgetriebes ein Torsionsdämpfer angeordnet, wobei der Verbrennungsmotor mittels einerParallel Hybndfahrzeuge known in which an addition of the torques of the internal combustion engine and at least one connectable to the internal combustion engine electric machine preferably Mitteis a Sumrπierungsgetriebes, for example by means of a Pianetengetriebes. In this case, the at least one electric machine can be connected to the belt drive or to the crankshaft of the internal combustion engine. The torques generated by the internal combustion engine and / or the at least one electric machine are transmitted to the driven axle via a downstream transmission. Here, the drive shaft of the Hybridgefriebes with the engine and the output width is connected, for example by means of a propeller shaft with a vehicle axle. In general, a torsion damper is arranged at the entrance of the hybrid transmission, wherein the internal combustion engine by means of a
)sstrang für ein Hybridfahrzeug, bei dem ein Verbrennungsmotor aπ- triebstechnisch mit einer Trennkuppüung verbunden ist, deren Ausgar mit einer Getriebeeingangsweüe in Verbindung steht, welche mit einem Ein) strand for a hybrid vehicle, in which an internal combustion engine aπ- is technically connected to a Trennkuppüung whose Ausgar is in communication with a Getriebeeingangsweüe, which with an on
triebsstrang ist die Getriebeeingangswelle auch mittels einer Elektromaschir line mit der angswelledrivetrain is the transmission input shaft also by means of an electric machine line with the shaft
Aus der DE 10012221 A1 geht ein weiterer Hybridantriebsstrang hervor,From DE 10012221 A1, another hybrid powertrain emerges,
verbunden ist, deren Ausgangsseite mit einer Getriebeein< in verbiπ- düng steht, welche mit einem Esngangselement ei ver- bunden ist, wobei der Rotor einer Efektromaschϊne π~ gangsstufe mit hoher Übersetzung mit der Getriebeewhose output side is in communication with a transmission element which is connected to a gear element ei, the rotor of an epicyclic gear stage having a high gear ratio with the gearbox
längere Zeiten über den t der Rotor des an den Alonger times over the t the rotor of the A
Leistung aufzunehmen oder abzu<To absorb or dissipate
die elektrische Maschine an den triebsstrang gekoppelt ist, uπbe darin resultiert, dass die Verzahnun- in en und somit zu entsprechenden Rasselgeräuschen neigen, die hauptsächlich durch die Drehungleichförmigker des Verbrennungsmotors und das Rastmoment des Elektromotors induziertthe electric machine is coupled to the drive train, uπbe results in that the Verzahnun- in en and thus to corresponding Rattle sounds tend, which mainly induced by the Drehleichförmker the internal combustion engine and the cogging torque of the electric motor
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Verfahren anzugeben, durch dessen Durchführung Schwingungen und somit Rasselgeräusche im Hybridgetriebe eines Hybridfahrzeugs, umfassend ein Basisgetriefc und eine Hybridbaugruppe mit zumindest einer über ein Getriebe an den Antriebsstrang gekoppelten elektrischen Maschine, weitgehend vermieden wer-The present invention has for its object to provide a method by the implementation of vibrations and thus rattle noise in the hybrid transmission of a hybrid vehicle, comprising a Basisgetriefc and a hybrid assembly with at least one via a transmission to the drive train coupled electric machine, largely avoided
1 gelöst Weitere erfindungsgemäße Ausgestaltungen und Vorteile gehen aus den Un-1 solved Further embodiments and advantages according to the invention are derived from the
i, ιri, ιr
triebs des Verbrennungsmotors mit geringer Teillast betrieben wird, um imengine of the internal combustion engine is operated at low partial load to
ist, die Anlage der Lastflanke und eine Zentrierung zu gewährleisten. Hierbei kann die elektrische Maschine in Abhängigkeit von der Hybridstrategie motorisch oder generatorisch betrieben werden.is to ensure the installation of the load flank and a centering. In this case, the electric machine can be operated as a function of the hybrid strategy by motor or generator.
Die Erfindung wird im folgenden anhand der beigefügten Figur, in der ein Hybridgetriebe eines parallelen Hybridfahrzeugs näher erläiThe invention will be explained in more detail below with reference to the appended FIGURE, in which a hybrid transmission of a parallel hybrid vehicle is described
Bezugnehmend auf die beigefügte Figur umfasst ein Hybridgetriebe 11 ein nach dem Stand der Technik ausgeführtes Basisgetriebe 4S das in der Regel als Autornatgetriebe ausgeführt ist und eine Hybridbaugruppe 3, Die Hybridbaugruppe umfasst eine elektrische Maschine 13 mit einem Rotor 8 und einem Stator 9 und ein als Planetengetriebe 7 ausgeführtes Getriebe, wobei der Rotor 8 mit dem Hohirad 14 des Planetengetriebes 7 verbunden und das Soπnenrad 15 des Pianetengetriebes 7 an ein Gehäuse 16 gekoppelt ist.Referring to the appended figure, a hybrid transmission 11 comprises a prior art basic transmission 4 S, which is usually designed as an automatic transmission, and a hybrid assembly 3. The hybrid assembly comprises an electric machine 13 with a rotor 8 and a stator 9 and a planetary gear 7 designed as a gear, the rotor 8 is connected to the Hohirad 14 of the planetary gear 7 and the Soπnenrad 15 of Pianetengetriebes 7 is coupled to a housing 16.
Wie aus der Figur ersichtlich, ist die mit dem nicht dargesteliten Verbrennungsmotor verbundene Antriebswelle 1 über einen Torsionsdämpfer 5 mit der Antriebsseite einer Trennkupplung 6 verbunden, deren Abtriebsseite mit demAs can be seen from the figure, the drive shaft 1 connected to the non-illustrated engine is connected via a torsional damper 5 to the drive side of a separating clutch 6, whose output side with the
der Steg 17 des Plaπetengetriebes 7 mit einer Getriebepumpe 10 zur Bereitstellung des für den Betrieb des Basisgetriebes 4 erforderlichen Drucks verbunden.the web 17 of the Plaπetengetriebes 7 connected to a gear pump 10 to provide the necessary for the operation of the base gear 4 pressure.
Die Abtriebsweite des Getriebes 11 ist mit dem Bezugszeichen 2 versehen; ferner ist in der Figur mit dem Bezugszeichen 12 ein Retarder bezeichnet. Die Hybridbaugruppe umfasst auch einen nicht dargestellten Energiespeicher, der in Abhängigkeit vom Betriebsmodus der elektrischen Maschine geladenThe output width of the transmission 11 is provided with the reference numeral 2; Furthermore, in the figure by the reference numeral 12 denotes a retarder. The hybrid module also includes an energy storage, not shown, which is loaded depending on the operating mode of the electric machine
lung b als „ι lung ausgeführt ist, beispielsweise als federvc hydraulisch betätigbare Lamellenkupplung. Bei geschlossener Trennkupplungment b is executed as "ι development, for example as a hydraulically operated Federvc multi-plate clutch. With closed disconnect clutch
Dadurch wird im Fall eines entladenen Energlespeschers bei geringem oder nicht vorhandenem Öldruck die Trennkupplung 6 konstruktsonsbedingt geschlossen, so dass die Getriebeölpumpe 10 durch den Verbrennungsmotor angetrieben wird, um ein Schalten im Basisgetriebe 4 zu ermöglichen. Das Gemäß der Erfindung wird vorgeschlagen, die zumindest eine elektri-Thereby, in the case of a discharged Energlespeschers with low or no existing oil pressure, the clutch 6 is constructively closed, so that the transmission oil pump 10 is driven by the internal combustion engine to enable a shift in the base gear 4. The According to the invention, it is proposed that at least one electrical
des Verbrennungsmotors zu Detresben, um im 7, über das die elektrische Jem Antriebsstranq geof the internal combustion engine to Detresben, in order to 7 in the, over which the electrical Jem Antriebsstranq ge
Snsn
Abhängigkeit der Hybridstrategie kann die elektrische Maschine 13 motorisch Depending on the hybrid strategy, the electric machine 13 motor
IeIe
IC Treππkuppluπc EiIC Treππkuppluπc egg
8 8th

Claims

1. Verfahren zur Vermeidung von Rasselgeräuschen im Hybridgetriebe Hybridfahrzeugs, umfassend ein Basisgetriebe (4) und eine Hybridbaugruppe (3) mit zumindest einer elektrischen Maschine (13), welche über ein Getriebe (7) an den Antriebsstrang gekoppelt ist, wobei der Verbrennungsmotor mittels einer Trennkupplung (6) mit dem Antriebsstrang lösbar verbindbar ist,A method for preventing rattle noise in the hybrid transmission hybrid vehicle, comprising a base gear (4) and a hybrid assembly (3) with at least one electric machine (13) which is coupled via a transmission (7) to the drive train, wherein the internal combustion engine by means of a Separating clutch (6) is detachably connectable to the drive train,
während des Betriebs des Verbrennungsmotors mit geringer Teillast betrieben wird, um im Getriebe (7) die Anlage der Lastflanke und eine Zentrierung zuis operated during operation of the internal combustion engine with a low partial load to the transmission (7), the system of the load flank and a centering
zur smto the sm
3. Verfahren zur Vermeidung von Rasselgeräuschen irn Hybridgetriebe eines Hybridfahrzeugs, nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass es bei einem Hybridgetriebe durchgeführt wird, bei dem das Getriebe (7) als Planetengetriebe (7) ausgeführt ist, wobei der Rotor (8) der elektrischen Maschine (13) mit dem Hohirad (14) des Planetengetriebes (7) verbunden ist und das Sonnenrad (15) des Planetengetriebes (7) an ein Gehäuse (16) gekoppelt ist, wobei die Antriebswelle (1) mit der Antriebsseite einer Trennkupplung (6) verbunden ist, deren Abtriebsseite mit dem Steg (17) des Planetengetriebes (7) und mit der Eingangswelle (18) des Basisgetriebes (4) verbunden ist.3. A method for preventing rattle noise in hybrid transmission of a hybrid vehicle, according to claim 1 or 2, characterized in that it is carried out in a hybrid transmission, wherein the transmission (7) is designed as a planetary gear (7), wherein the rotor (8) the electric machine (13) is connected to the Hohirad (14) of the planetary gear (7) and the sun gear (15) of the planetary gear (7) is coupled to a housing (16), wherein the drive shaft (1) with the drive side of a separating clutch (6) is connected, the output side of which is connected to the web (17) of the planetary gear (7) and to the input shaft (18) of the base gear (4).
4, Verfahren zur Vermeidung von Rasselgeräuschen im Hybridgetriebe Steg (17) des Planeteπgetriebes (7) mit einer Getriebepumpe (10) verbunden ist. 4, Method for avoiding rattle noise in the hybrid transmission Web (17) of the Planeteπgetriebes (7) with a gear pump (10) is connected.
PCT/EP2009/064688 2008-11-27 2009-11-05 Method for avoiding rattling noises in the hybrid transmission of a hybrid vehicle WO2010060771A1 (en)

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