EP2340181A1 - Hybrid module for the hybrid drive train of a motor vehicle - Google Patents

Hybrid module for the hybrid drive train of a motor vehicle

Info

Publication number
EP2340181A1
EP2340181A1 EP09743890A EP09743890A EP2340181A1 EP 2340181 A1 EP2340181 A1 EP 2340181A1 EP 09743890 A EP09743890 A EP 09743890A EP 09743890 A EP09743890 A EP 09743890A EP 2340181 A1 EP2340181 A1 EP 2340181A1
Authority
EP
European Patent Office
Prior art keywords
hybrid
hybrid module
motor vehicle
rotor
module
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Withdrawn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
EP09743890A
Other languages
German (de)
French (fr)
Inventor
Max Bachmann
Bernard Hunold
Kai Borntraeger
Rene Budach
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen AG
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 ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of EP2340181A1 publication Critical patent/EP2340181A1/en
Withdrawn legal-status Critical Current

Links

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
    • B60K6/22—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
    • B60K6/42—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
    • 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
    • F16D25/06—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
    • F16D25/062—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces
    • F16D25/063—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially
    • F16D25/0635—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs
    • F16D25/0638—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B60K2006/4833—Step up or reduction gearing driving generator, e.g. to operate generator in most efficient speed range
    • 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
    • F16D2300/00—Special features for couplings or clutches
    • F16D2300/12—Mounting or assembling
    • 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

Definitions

  • the present invention relates to a hybrid module for the hybrid powertrain of a motor vehicle according to the preamble of patent claim 1.
  • the present invention has for its object to provide a hybrid module for the hybrid powertrain of a motor vehicle, which is separately preassembled and can be integrated into a conventional automatic transmission.
  • the erfindungsg ⁇ mäß ⁇ hybrid module should be integrated instead of the converter in the converter bell of the transmission and have largely identical Gereteschnfttstellen as the converter.
  • a hybrid module comprising an electric machine with a rotor and a stator, a planetary gear and a clutch, which connects the drive shaft of the internal combustion engine with the Pianetenough the planetary gear detachably, in which the storage of the rotor and the stator of the electric machine on the Covering the electric machine takes place, wherein the hub of the rotor serves as a ring gear of the planetary gear of the hybrid module and a ring gear teeth on and the assembly comprising the cover, the rotor and the stator is preassembled
  • the drive shaft of the internal combustion engine in the cover can be used and fixed by means of a suitable device, preferably by means of a snap ring.
  • the hybrid module comprises a second preassemblable assembly with the sun gear, the planet carrier of the Plan ⁇ tengetri ⁇ bes the hybrid module and the clutch, wherein the planet carrier is preferably coupled to the impeller for the mechanically driven transmission oil pump; the planet carrier is connected on the one hand to the outer disk carrier of the clutch and on the other hand to the transmission input.
  • the second assembly is used according to the invention for mounting the hybrid module in the rotor of the electric machine, wherein the teeth of the inner disk carrier of the clutch engages in the toothing of the inner disk and the ring gear of the rotor hub in the toothing of the planet of the Planet carrier of Pianetengetriebes.
  • the sun gear of the planetary gear is fixed according to the invention
  • hybrid module can then be installed in the converter bell of an automatic transmission and replace the converter.
  • Figure 1 A perspective sectional view of the assembly comprising the rotor, the stator and the cover of the electric machine;
  • Figure 2 is a sectional view of the second assembly comprising the sun gear, a planet carrier of a planetary gear and a clutch;
  • Figure 3 A sectional view of the hybrid module in the assembled state.
  • FIG. 1 shows a first preassemblable module of a hybrid module according to the invention, comprising the rotor 1, the stator 2 and the cover 3 of the electric machine, the cover 3 forming the bearing of the rotor 1 and the stator 2.
  • the hub of the rotor 1 serves as a ring gear of the planetary gear of the hybrid module and has a ring gear.
  • the ring gear is shown in Figure 3 and provided with the reference numeral 13.
  • FIG. 2 The subject matter of FIG. 2 is the second preassemblable subassembly of a hybrid module which has a sun gear 4 and a planet carrier 5 of the planetary gear of the hybrid module as well as a clutch 6;
  • the impeller 7 of the mechanically driven transmission oil pump is coupled to the planetary carrier 5 via a driver 8.
  • the planet carrier 5 is connected to the outer plate carrier 9 of the coupling 6 and to the transmission input, the sun gear of the planetary gear being fixed.
  • the two preassembled modules can be connected to each other for mounting the hybrid module by the second assembly is inserted into the rotor of the electric machine, the venezlamelle ⁇ xx 10 of the clutch 6 in the teeth 15 of the inner disk of the clutch 6 and the ring gear 13 of the rotor hub in the Teeth of the planet 12 of the planet carrier 5 engages, as shown in Figure 3.
  • reference numeral 14 designates a sender wheel which is soft by means of a cylinder system and a ring is fixed, these components are assembled after assembly of the pre-assembled modules;
  • the reference numeral 11 denotes the drive shaft which is connected to the inner disk carrier 10.
  • a hybrid module for the hybrid powertrain of a motor vehicle which is separately preassembled and can be integrated into a conventional automatic transmission instead of the converter. Due to the fact that the hybrid module consists of two subassemblies, they can be tested separately for their functionality before assembly of the hybrid module. Furthermore, the assembled hybrid module can be installed without the need for further constructive measures in the converter bell of an automatic transmission and replace the converter.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Arrangement Of Transmissions (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

A hybrid module for the hybrid drive train of a motor vehicle is proposed, comprising an electric machine, a planetary gear and a coupling (6) that connects the drive shaft of the internal combustion engine to the planet carrier (5) of the planetary gear in releasable fashion, wherein the mounting of the rotor (1) and of the stator (2) of the electric machine is accomplished by way of the cover (3) of the electric machine, wherein the hub of the rotor (1) acts as ring gear of the planetary gear of the hybrid module and comprises a ring gear cogging, and wherein the assembly comprising the cover (3), the rotor (1) and the stator (2) can be pre-installed.

Description

Hybridmodul für den Hvbridantriebsstrang eines Kraftfahrzeugs Hybrid module for the hybrid powertrain of a motor vehicle
Die vorliegende Erfindung bezieht sich auf ein Hybridmodul für den Hybridantriebsstrang eines Kraftfahrzeugs gemäß dem Oberbegriff des Patentanspruchs 1.The present invention relates to a hybrid module for the hybrid powertrain of a motor vehicle according to the preamble of patent claim 1.
Aus dem Stand der Technik ist bekannt, Kraftfahrzeuggetriebe in Modulbauweise zu komplettieren; beispielsweise wird bei Wandlerautomatgetrieben der Wandler als separates Modul in die Wandlerglocke verbaut. Durch die Modulbauweise entsteht der Vorteil, dass die Einzelaggregate eines Kraftfahr- zβuggetriebes hinsichtlich ihrer Funktionstüchtigkeit geprüft werden können.From the prior art is known to complete motor vehicle transmission in modular design; For example, in converter automatic transmissions, the converter is installed as a separate module in the converter bell. The advantage of the modular design is that the individual units of a motor vehicle drive can be tested for their functionality.
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Hybridmodul für den Hybridantriebsstrang eines Kraftfahrzeugs anzugeben, welches separat vormontierbar ist und in ein herkömmliches Automatgetriebe integriert werden kann. Insbesondere soll das erfindungsgβmäßβ Hybridmodul anstelle des Wandlers in die Wandlerglocke des Getriebes integrierter sein und weitgehend identische Getriebeschnfttstellen wie der Wandler aufweisen.The present invention has for its object to provide a hybrid module for the hybrid powertrain of a motor vehicle, which is separately preassembled and can be integrated into a conventional automatic transmission. In particular, the erfindungsgβmäßβ hybrid module should be integrated instead of the converter in the converter bell of the transmission and have largely identical Getriebeschnfttstellen as the converter.
Diese Aufgabe wird durch die Merkmale des Patentanspruchs 1 gelöst. Weitere erfindungsgemäße Ausgestaltungen und Vorteile gehen aus den Unteransprüchen hervor.This object is solved by the features of patent claim 1. Further embodiments and advantages of the invention will become apparent from the dependent claims.
Demnach wird ein Hybridmodul vorgeschlagen, umfassend eine elektrische Maschine mit einem Rotor und einem Stator, ein Planetengetriebe und eine Kupplung, welche die Antriebswelle des Verbrennungsmotors mit dem Pianetenträger des Planetengetriebes lösbar verbindet, bei dem die Lagerung des Rotors und des Stators der elektrischen Maschine über die Abdeckung der elektrischen Maschine erfolgt, wobei die Nabe des Rotors als Hohlrad des Planetengetriebes des Hybridmoduls dient und eine Hohlradverzahnung auf- weist und die Baugruppe umfassend die Abdeckung, den Rotor und den Stator vormontierbar ist Hierbei ist die Antriebswelle des Verbrennungsmotors in die Abdeckung einsetzbar und mittels einer geeigneten Einrichtung, vorzugsweise mittels eines Sprengrings fixierbar.Accordingly, a hybrid module is proposed, comprising an electric machine with a rotor and a stator, a planetary gear and a clutch, which connects the drive shaft of the internal combustion engine with the Pianetenträger the planetary gear detachably, in which the storage of the rotor and the stator of the electric machine on the Covering the electric machine takes place, wherein the hub of the rotor serves as a ring gear of the planetary gear of the hybrid module and a ring gear teeth on and the assembly comprising the cover, the rotor and the stator is preassembled Here, the drive shaft of the internal combustion engine in the cover can be used and fixed by means of a suitable device, preferably by means of a snap ring.
Femer umfasst das Hybridmodul eine zweite vormontierbare Baugruppe mit dem Sonnenrad, dem Planetenträger des Planβtengetriβbes des Hybridmoduls und der Kupplung, wobei an den Planetenträger vorzugsweise das Pumpenrad für die mechanisch angetriebene Getriebe-Öl-Pumpβ gekoppelt ist; der Planetenträger ist einerseits mit dem Außenlamellenträger der Kupplung und andererseits mit dem Getriebeeingang verbunden.Furthermore, the hybrid module comprises a second preassemblable assembly with the sun gear, the planet carrier of the Planβtengetriβbes the hybrid module and the clutch, wherein the planet carrier is preferably coupled to the impeller for the mechanically driven transmission oil pump; the planet carrier is connected on the one hand to the outer disk carrier of the clutch and on the other hand to the transmission input.
Die zweite Baugruppe ist gemäß der Erfindung zur Montage des Hybridmoduls in den Rotor der elektrischen Maschine einsetzbar, wobei die Verzahnung des Innenlamellenträgers der Kupplung in die Verzahnung der Innenlamellen und die Hohlradverzahnung der Rotomabe in die Verzahnung der Planeten des Planetenträgers des Pianetengetriebes eingreift. Das Sonnenrad des Planetengetriebes steht gemäß der Erfindung festThe second assembly is used according to the invention for mounting the hybrid module in the rotor of the electric machine, wherein the teeth of the inner disk carrier of the clutch engages in the toothing of the inner disk and the ring gear of the rotor hub in the toothing of the planet of the Planet carrier of Pianetengetriebes. The sun gear of the planetary gear is fixed according to the invention
Das auf diese Weise komplettierte Hybridmodul kann anschließend in die Wandlerglocke eines Automatgetriebes eingebaut werden und den Wandler ersetzen.The completed in this way hybrid module can then be installed in the converter bell of an automatic transmission and replace the converter.
Die Erfindung wird im folgenden anhand der beigefügten Figuren beispielhaft näher erläutert. Es zeigen:The invention will be explained in more detail below with reference to the accompanying figures by way of example. Show it:
Figur 1 : Eine perspektivische Schnittansicht der Baugruppe umfassend den Rotor, den Stator und die Abdeckung der elektrischen Maschine; Figur 2: Eine Schnittansicht der zweiten Baugruppe umfassend das Sonnenrad, einen Planetenträger eines Planetengetriebes und eine Kupplung; undFigure 1: A perspective sectional view of the assembly comprising the rotor, the stator and the cover of the electric machine; Figure 2 is a sectional view of the second assembly comprising the sun gear, a planet carrier of a planetary gear and a clutch; and
Figur 3: Eine Schnittansicht das Hybridmoduls im montierten Zustand.Figure 3: A sectional view of the hybrid module in the assembled state.
In Figur 1 ist eine gemäß der Erfindung ausgeführte erste vormontierbare Baugruppe eines Hybridmoduls gezeigt, umfassend den Rotor 1 , den Stator 2 und die Abdeckung 3 der elektrischen Maschine, wobei die Abdeckung 3 die Lagerung des Rotors 1 und des Stators 2 bildet. Gemäß der Erfindung dient die Nabe des Rotors 1 als Hohlrad des Planetengetriebes des Hybridmoduls und weist eine Hohlradverzahnung auf. Die Hohlradverzahnung ist in Figur 3 dargestellt und mit dem Bezugszeichen 13 versehen.FIG. 1 shows a first preassemblable module of a hybrid module according to the invention, comprising the rotor 1, the stator 2 and the cover 3 of the electric machine, the cover 3 forming the bearing of the rotor 1 and the stator 2. According to the invention, the hub of the rotor 1 serves as a ring gear of the planetary gear of the hybrid module and has a ring gear. The ring gear is shown in Figure 3 and provided with the reference numeral 13.
Gegenstand der Figur 2 ist die zweite vormontierbare Baugruppe eines Hybridmoduls, welche ein Sonnenrad 4 und einen Planetenträger 5 des Planetengetriebes des Hybridmoduls sowie eine Kupplung 6 aufweist; wie aus Figur 2 ersichtlich, ist bei dem gezeigten Beispiel an den Planetenträger 5 das Pumpenrad 7 der mechanisch angetriebenen Getriebe-Öl-Pumpe über einen Mitnehmer 8 gekoppelt. Des weiteren ist der Planetenträger 5 mit dem Außenla- mellenträger 9 der Kupplung 6 und mit dem Getriebeeingang verbunden, wobei das Sonnenrad des Planetengetriebes feststeht.The subject matter of FIG. 2 is the second preassemblable subassembly of a hybrid module which has a sun gear 4 and a planet carrier 5 of the planetary gear of the hybrid module as well as a clutch 6; As can be seen from FIG. 2, in the example shown, the impeller 7 of the mechanically driven transmission oil pump is coupled to the planetary carrier 5 via a driver 8. Furthermore, the planet carrier 5 is connected to the outer plate carrier 9 of the coupling 6 and to the transmission input, the sun gear of the planetary gear being fixed.
Die beiden vormontierten Baugruppen können zur Montage des Hybridmoduls miteinander verbunden werden, indem die zweite Baugruppe in den Rotor der elektrischen Maschine eingesetzt wird, wobei der Innenlamelleπträger 10 der Kupplung 6 in die Verzahnung 15 der Innenlamellen der Kupplung 6 und die Hohlradverzahnung 13 der Rotomabe in die Verzahnung der Planeten 12 des Planetenträgers 5 eingreift, wie in Figur 3 dargestellt. In Figur 3 ist mit 14 ein Geberrad bezeichnet, weiches mittels eines Zylinderstrftes und eines Siehe- rungsrings fixiert ist, wobei diese Bauteile nach dem Zusammenfügen der vormontierten Baugruppen angebaut werden; ferner ist mit dem Bezugszeichen 11 die Antriebswelle bezeichnet, die mit dem Innenlamellenträger 10 verbunden ist.The two preassembled modules can be connected to each other for mounting the hybrid module by the second assembly is inserted into the rotor of the electric machine, the Innenlamelleπträger 10 of the clutch 6 in the teeth 15 of the inner disk of the clutch 6 and the ring gear 13 of the rotor hub in the Teeth of the planet 12 of the planet carrier 5 engages, as shown in Figure 3. In FIG. 3, reference numeral 14 designates a sender wheel which is soft by means of a cylinder system and a ring is fixed, these components are assembled after assembly of the pre-assembled modules; Further, the reference numeral 11 denotes the drive shaft which is connected to the inner disk carrier 10.
Auf diese Weise wird ein Hybridmodul für den Hybridantriebsstrang eines Kraftfahrzeugs zur Verfügung gestellt, welches separat vormontierbar ist und in ein herkömmliches Automatgetriebe anstelle des Wandlers Integriert werden kann. Dadurch, dass das Hybridmodul aus zwei Baugruppen besteht können diese vor der Montage des Hybridmoduls separat hinsichtlich ihrer Funktionstüchtigkeit geprüft werden. Femer kann das montierte Hybridmodul ohne die Notwendigkeit weiterer konstruktiver Maßnahmen in die Wandlerglocke eines Automatgetriebes eingebaut werden und den Wandler ersetzen.In this way, a hybrid module for the hybrid powertrain of a motor vehicle is provided, which is separately preassembled and can be integrated into a conventional automatic transmission instead of the converter. Due to the fact that the hybrid module consists of two subassemblies, they can be tested separately for their functionality before assembly of the hybrid module. Furthermore, the assembled hybrid module can be installed without the need for further constructive measures in the converter bell of an automatic transmission and replace the converter.
Selbstverständlich fällt auch jede konstruktive Ausbildung, insbesondere jede räumliche Anordnung der Bauteile des Hybridmoduls an sich sowie zueinander und soweit technisch sinnvoll, unter den Schutzumfang der vorliegenden Ansprüche, ohne die Funktion des Hybridmoduls, wie sie in den Ansprüchen angegeben ist, zu beeinflussen, auch wenn diese Ausbildungen nicht explizit in den Figuren oder in der Beschreibung dargestellt sind. Of course, also falls any structural design, in particular any spatial arrangement of the components of the hybrid module in itself and to one another and as far as technically feasible, within the scope of the present claims, without affecting the function of the hybrid module, as set forth in the claims, even if these training are not explicitly shown in the figures or in the description.
Bezugszeichenreference numeral
1 Rotor 2 Stator 3 Abdeckung 4 Sonnenrad 5 Planetenträger 6 Kupplung 7 Pumpenrad 8 Mitnehmer 9 Außenlamellenträger 10 Innenlamellenträger 11 Antriebswelle 12 Planet 13 Hohlradverzahnung 14 Geberrad 15 Verzahnung der Innenlamellen 1 Rotor 2 Stator 3 Cover 4 Sun gear 5 Planet carrier 6 Clutch 7 Impeller 8 Carrier 9 Outer disc carrier 10 Inner disc carrier 11 Drive shaft 12 Planet 13 Ring gear 14 Transmitter wheel 15 Interlocking of inner discs

Claims

Patentansprüche claims
1. Hybridmodul für den Hybridantriebsstrang eines Kraftfahrzeugs, umfassend eine elektrische Maschine, ein Planetengetriebe und eine Kupplung (6), welche die Antriebswelle des Verbrennungsmotors mit dem Planetenträger (5) des Planetengetriebes lösbar verbindet, dadurch gekennzeichnet, dass die Lagerung des Rotors (1) und des Stators (2) der elektrischen Maschine über die Abdeckung (3) der elektrischen Maschine erfolgt, wobei die Nabe des Rotors (1) als Hohlrad des Planetengetriebes des Hybridmoduls dient und eine Hohlradverzahnuπg aufweist und wobei die Baugruppe umfassend die Abdeckung (3), den Rotor (1) und den Stator (2) vormontierbar ist.Hybrid module for the hybrid powertrain of a motor vehicle, comprising an electric machine, a planetary gear and a clutch (6) which releasably connects the drive shaft of the internal combustion engine with the planet carrier (5) of the planetary gear, characterized in that the bearing of the rotor (1) and the stator (2) of the electric machine via the cover (3) of the electric machine, wherein the hub of the rotor (1) serves as a ring gear of the planetary gear of the hybrid module and has a Hohlradverzahnuπg and wherein the assembly comprising the cover (3), the rotor (1) and the stator (2) is preassembled.
2. Hybridmodul für den Hybridantriebsstrang eines Kraftfahrzeugs, nach Anspruch 1, dadurch gekennzeichnet, dass die Antriebswelle (11) des Verbrennungsmotors in die Abdeckung (3) einsetzbar und fixierbar ist2. hybrid module for the hybrid powertrain of a motor vehicle, according to claim 1, characterized in that the drive shaft (11) of the internal combustion engine in the cover (3) can be used and fixed
3. Hybridmodul für den Hybridantriebsstrang eines Kraftfahrzeugs, nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass es eine zweite vormontierbare Baugruppe umfasst, welche das Sonnenrad (4) und den Plane- tenträger (5) des Planetengetriebes des Hybridmoduls sowie die Kupplung (β) aufweist, wobei der Planetenträger (5) mit dem Außenlamellenträger (9) der Kupplung (β) und mit dem Getriebeeingang verbunden Ist und wobei das Sonnenrad (4) feststeht.3. hybrid module for the hybrid powertrain of a motor vehicle, according to claim 1 or 2, characterized in that it comprises a second preassembled assembly, the sun gear (4) and the planet carrier (5) of the planetary gear of the hybrid module and the clutch (β) wherein the planet carrier (5) is connected to the outer disk carrier (9) of the clutch (β) and to the transmission input and wherein the sun gear (4) is fixed.
4. Hybridmodul für den Hybridantriebsstrang eines Kraftfahrzeugs, nach Anspruch 3, dadurch gekennzeichnet, dass an den Planetenträger (5) das Pumpenrad (7) der mechanisch angetriebenen Getriebe-Öl-Pumpe über einen Mitnehmer (8) gekoppelt ist. 4. hybrid module for the hybrid powertrain of a motor vehicle, according to claim 3, characterized in that the impeller (7) of the mechanically driven transmission oil pump via a driver (8) is coupled to the planet carrier (5).
5. Hybridmodul für den Hybridantriebsstrang eines Kraftfahrzeugs, nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass die zweite Baugruppe zur Montage des Hybridmoduls in den Rotor (1) der elektrischen Maschine einsetzbar ist, wobei der Innenlamellenträger (10) der Kupplung (6) in die Verzahnung (15) der Innenlamellen der Kupplung (β) und die Hohlradverzahnung (13) der Rotornabe in die Verzahnung der Planeten (12) des Planetenträgers (5) eingreift.5. hybrid module for the hybrid powertrain of a motor vehicle, according to claim 3 or 4, characterized in that the second module for mounting the hybrid module in the rotor (1) of the electric machine is used, wherein the inner disk carrier (10) of the coupling (6) in the toothing (15) of the inner disk of the clutch (β) and the ring gear teeth (13) of the rotor hub in the toothing of the planet (12) of the planet carrier (5) engages.
6. Hybridmodul für den Hybridantriebsstrang eines Kraftfahrzeugs, nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass es in die Wandlerglocke eines Automatgβtriebes einbaubar ist, wodurch der Wandler ersetzt wird. 6. Hybrid module for the hybrid powertrain of a motor vehicle, according to one of the preceding claims, characterized in that it can be installed in the converter bell of a Automatgεtriebes, whereby the converter is replaced.
EP09743890A 2008-10-29 2009-10-26 Hybrid module for the hybrid drive train of a motor vehicle Withdrawn EP2340181A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008043290A DE102008043290A1 (en) 2008-10-29 2008-10-29 Hybrid module for the hybrid powertrain of a motor vehicle
PCT/EP2009/064074 WO2010049385A1 (en) 2008-10-29 2009-10-26 Hybrid module for the hybrid drive train of a motor vehicle

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EP2340181A1 true EP2340181A1 (en) 2011-07-06

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EP (1) EP2340181A1 (en)
DE (1) DE102008043290A1 (en)
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DE102008043290A1 (en) 2010-05-06
US20110224043A1 (en) 2011-09-15

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