WO2019206358A1 - Clutch arrangement with support component formed as a sheet-metal part and connected to a rotor carrier; and drivetrain - Google Patents

Clutch arrangement with support component formed as a sheet-metal part and connected to a rotor carrier; and drivetrain Download PDF

Info

Publication number
WO2019206358A1
WO2019206358A1 PCT/DE2019/100084 DE2019100084W WO2019206358A1 WO 2019206358 A1 WO2019206358 A1 WO 2019206358A1 DE 2019100084 W DE2019100084 W DE 2019100084W WO 2019206358 A1 WO2019206358 A1 WO 2019206358A1
Authority
WO
WIPO (PCT)
Prior art keywords
clutch
rotor carrier
component
rotor
supporting component
Prior art date
Application number
PCT/DE2019/100084
Other languages
German (de)
French (fr)
Inventor
Reiner Neukum
Original Assignee
Schaeffler Technologies AG & Co. KG
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 Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Priority to DE112019002110.9T priority Critical patent/DE112019002110A5/en
Publication of WO2019206358A1 publication Critical patent/WO2019206358A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
    • B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • 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
    • F16D13/00—Friction clutches
    • F16D13/58—Details
    • F16D13/60—Clutching elements
    • F16D13/64—Clutch-plates; Clutch-lamellae
    • F16D13/68—Attachments of plates or lamellae to their supports
    • F16D13/683—Attachments of plates or lamellae to their supports for clutches with multiple lamellae
    • 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
    • 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
    • F16D25/10—Clutch systems with a plurality of fluid-actuated clutches
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B60K2006/4825—Electric machine connected or connectable to gearbox input shaft
    • 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
    • F16D21/00—Systems comprising a plurality of actuated clutches
    • F16D21/02—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways
    • F16D21/06—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways at least two driving shafts or two driven shafts being concentric
    • F16D2021/0661—Hydraulically actuated multiple lamellae clutches
    • 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
    • F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
    • F16D25/082—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation
    • 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 invention relates to a clutch arrangement (also referred to as a hybrid module) for a (hybrid) drive train of a motor vehicle, such as a car, truck, bus or other commercial vehicle, with a rotatably mounted rotor carrier, a rotatably mounted with its rotor on the rotor carrier electric machine, a first coupling acting between an input shaft and the rotor carrier, where a first coupling component of the first clutch is non-rotatably connected to the input shaft and a second coupling component of the first clutch rotatably connected to the rotor carrier, optionally rotatably coupled to the first coupling component is, as well as with a second clutch and a third clutch, which second clutch and third clutch are each mounted with one of two optionally rotationally coupled coupling components to the Rotorträ- ger.
  • the invention relates to a (hybrid) powertrain for a motor vehicle, with this coupling arrangement.
  • DE 10 2007 008 946 A1 discloses a multiple clutch for a vehicle with a corresponding hybrid drive.
  • DE 10 2009 059 944 A1 discloses exemplary prior art in the form of a hybrid module.
  • the second coupling component of the first clutch comprises a support member formed from a metal sheet (separate from the rotor carrier), wherein a plurality of (second) friction members, with respect to a rotational axis of the rotor carrier, rotationally fixed to its radial inner side as well as being displaceable relative to one another in an axial direction on the supporting component and the supporting component is fastened to the rotor carrier such that a plurality of fluid passages are formed between the supporting component and the rotor carrier.
  • a cooling fluid is particularly cleverly introduced into the region of the supporting component and thus radially within the corresponding friction elements during operation of the coupling arrangement in order to effectively cool the corresponding friction elements therefrom. Consequently, the first coupling is designed to be particularly durable.
  • the various fluid passages are formed in the radial direction directly between the supporting component and the rotor carrier.
  • the fluid passages are each preferably distributed in the circumferential direction and extend along an axial direction of the coupling arrangement / the axis of rotation.
  • a particularly effective cooling of the first clutch is realized.
  • the supporting component is arranged / accommodated (preferably centered) on a radial outer side of a cup region of the rotor carrier projecting in the axial direction. This results in a particularly clever design of the rotor carrier for receiving the supporting component, in order to save further space.
  • the rotor carrier preferably extends outward over a disk region in the radial direction to a sleeve section of the rotor carrier which receives the rotor directly.
  • the rotor carrier is again designed to save space in a particularly space-saving manner.
  • a rolling bearing which rotatably supports the rotor carrier relative to a housing (the clutch arrangement) and which is preferably implemented as a ball bearing, namely a deep groove ball bearing, is accommodated on a radial inner side of the cup region, a particularly compact axial arrangement is realized ,
  • the supporting component is fastened to the rotor carrier by means of a welding, more preferably a screw connection or particularly preferably a riveting, the supporting component is mounted on the rotor carrier in a particularly simple and robust manner.
  • the supporting component is particularly easy to produce when it forms a tooth structure receiving the (second) friction elements and is mounted on the rotor carrier in such a way that, during operation of the coupling arrangement, a cooling fluid in the axial direction passes through the fluid passages formed through the tooth structure. flows.
  • the fluid passages are limited to the first axial side of the supporting component, preferably via an embossing, / limited / separated / closed.
  • the supporting component is equipped on a second axial side facing away from the first axial side with a collar (preferably annular / annular) axially supported on the rotor carrier.
  • a collar preferably annular / annular
  • the collar is attached / attached directly to the rotor carrier.
  • the rotor carrier is preferably formed (in particular on the part of the Napf Scheme forming portion / component) of a metal sheet.
  • the invention relates to a Flybridantriebsstrang for a motor vehicle, with a ner clutch assembly according to the invention according to at least one of the previously described embodiments and a transmission, wherein the second clutch between the rotor carrier and a first transmission input shaft of the transmission and the third clutch between the rotor carrier and a second transmission input shaft of the transmission are used acting.
  • an inner disk carrier (supporting component) of the separating clutch (first clutch) is integrated as a sheet metal part in the rotor carrier.
  • the disk carrier (supporting component) of the separating clutch is made of a sheet metal part / a sheet metal plate, which is fixedly attached to the rotor carrier for a rotor of an electric machine, for example via a weld, a screw connection or a riveting.
  • FIG. 1 shows a longitudinal sectional illustration of a clutch arrangement similar to the invention, used in a drive train, from which the basic design of the clutch arrangement according to the invention in accordance with the embodiment according to the invention shown in FIG.
  • FIG. 2 shows a detailed region of a coupling arrangement according to the invention in a longitudinal section, wherein a region of a rotor carrier receiving a support component according to the invention can be well recognized by a first coupling of the coupling arrangement.
  • FIG. 1 shows a construction of a coupling arrangement 1 according to the invention comparable to the invention.
  • the concrete differences between the coupling arrangement 1 according to the invention and the coupling arrangement shown in FIG. 1 will be described in more detail below in connection with FIG. 2.
  • the clutch arrangement 1 is preferably part of a hybrid drive train 20 / fly-hybrid drive train of a motor vehicle during operation.
  • the clutch assembly 1 is also referred to as a hybrid module and typically forms a combination of several, namely three, clutches 6, 9, 10 and an electric machine 4.
  • Part of the drive train 20 continue to be a combustion not shown here for clarity - Machine and a transmission 30, which transmission 30 for the sake of clarity, only by its two transmission input shafts 29a, 29b is shown.
  • the internal combustion engine is typically rotationally coupled (with its output shaft) to an input shaft 5 of the clutch assembly 1.
  • the output shaft is connected to the input shaft 5 via a torsional vibration damper 36 in the form of a dual-mass flywheel.
  • the transmission input shafts 29a, 29b of the transmission 30 are in turn correspondingly coupled to an output side of the clutch assembly 1.
  • the clutch assembly 1 accordingly has a plurality of clutches 6, 9, 10, which are used for switching various operating states of the clutch assembly 1.
  • a first clutch 6 forms a separating clutch and serves for selectively connecting the input shaft 5 to a central rotor carrier 2 of the clutch arrangement 1 rotatably mounted about an axis of rotation 12.
  • a second clutch 9 and a third clutch 10 together form a double clutch and are thus each also referred to as partial clutches.
  • the second clutch 9 and the third clutch 10 are each inserted between the rotor carrier 2 and one of the transmission input shafts 29a, 29b acting. Depending on the position of the respective clutch 6,
  • 9 is a torque from the internal combustion engine to one of the two transmission input shafts 29 a, 29 b and / or on the electric machine 4 and / or transmit torque from the electric machine 4 to one of the two transmission input shafts 29a, 29b or to the output shaft of the internal combustion engine.
  • the input shaft 5 is rotatably mounted about the axis of rotation 12 relative to a housing 19 of the clutch assembly 1.
  • the input shaft 5 penetrates the housing 19 in the axial direction and protrudes from an axial outside of the housing 19 facing the internal combustion engine into an interior 37 of the housing 19.
  • the first clutch 6 is inserted between the input shaft 5 and the rotor carrier 2 acting.
  • the first clutch 6 is realized as a friction disk clutch.
  • a first clutch constituent 7a of the first clutch 6 is connected directly to the input shaft 5 in a rotationally fixed manner.
  • a (first) friction element carrier 38a which belongs to the first clutch component 7a, is arranged on the input shaft 5.
  • the first friction element carrier 38a receives a plurality of first friction elements 39 of the first clutch component 7a in a rotationally fixed manner and displaceable in the axial direction relative to one another.
  • the first friction elements 39 are arranged alternately in the axial direction and in the radial direction at the same height with a plurality of (second) friction elements 11 of a second clutch component 8a of the first clutch 6.
  • the first friction elements 39 and the second friction elements 11 of the first clutch 6 are each designed as friction plates.
  • the second coupling component 8a has a supporting component 14 designed separately from the rotor carrier 2.
  • the supporting component 14 serves as an inner carrier / inner disk carrier and thus takes the second friction elements 11 in a rotationally fixed manner relative to their radial inner side 13 and displaceably in the axial direction relative to one another.
  • the supporting component 14 is essentially formed out of a metal sheet and of annular design.
  • the supporting component 14 indicates its outer circumference has a tooth structure 25 / toothing (a plurality of teeth 26 distributed in the circumferential direction).
  • This tooth structure 25 serves directly for receiving the second friction elements 11 towards its radial inner side 13.
  • the second friction elements 11 are provided on their radially inner side 13 with a counter toothing 40 formed opposite to the tooth structure 25.
  • the second friction elements 11 are pushed with the counter-toothing 40 in the axial direction on the tooth structure 25 and thereby rotatably received on the supporting component 14 via a positive connection.
  • the supporting component 14 is fixedly attached to the rotor carrier 2.
  • the rotor carrier 2 forms a cup region 17, to the radial outer side 16 of the support member 14 is received and radially abutting from the outside.
  • the cup portion 17 is formed by a portion formed of a metal sheet of the rotor carrier 2. Due to the shape of the supporting component 14 of a metal sheet of uniform thickness form through the tooth structure 25 radially inwardly, d. H. towards the cup region 17, a plurality of elongated cavities extending in an axial direction of the axis of rotation 12. These cavities form fluid passages 15 in a targeted manner together with the cup region 17 / the rotor carrier 2. The fluid passages 15 are thus arranged distributed in the circumferential direction.
  • the supporting component 14 projects beyond a section of the rotor carrier 2, namely the cup region 17, in the axial direction toward a first axial side 23.
  • the fluid passages 15 are not covered in the radial direction inwardly by the rotor carrier 2, but open.
  • a cooling fluid conveyed outwards in the radial direction during operation by the acting centrifugal force is collected by the supporting component 14 and conveyed in the axial direction via the fluid passages 15 to the height of the respective second friction elements 11.
  • additional through holes 27 are provided in the supporting component 14.
  • the through-holes 27 are provided in the axial direction between each two adjacent second friction elements 11.
  • the Through holes 27 are introduced in particular in a plurality of teeth 26 of the tooth structure 25 projecting outward in the radial direction.
  • the supporting component 14 is equipped to its first axial side 23 in such a way by means of an embossing 35 / embossing that the fluid passages 15 are each terminated / limited to this first axial side 23.
  • the collar 28 represents a radial reinforcement in relation to the region of the tooth structure 25 and forms a region which is welded directly to the rotor carrier 2, namely the disk region 31.
  • the collar 28 is formed on a, the first axial side 23 facing away, the second axial side 24 of the supporting component 14.
  • the cup portion 17 serves not only for rotationally fixed recording of the supporting component 14, as implemented here via a weld 22, but also for receiving a rolling bearing 21, which is realized as a deep groove ball bearing.
  • the roller bearing 21 is attached to a radial inner side 18 of the cup region 17 at this fixed / recorded.
  • a bearing outer ring 33 of the rolling bearing 21 is fixedly received in the axial direction and in the circumferential direction / direction of rotation on the cup region 17 / the inner side 18.
  • a wedge ring 41 and a directly formed by the rotor arm 2 radial shoulder 42 are provided, between which the bearing outer ring 33 is axially clamped.
  • a roller bearing inner race 34 of the roller bearing 21, which roller bearing is supported relative to the bearing outer ring 33 is received directly on the housing 19, likewise secured in the axial direction.
  • the bearing inner ring 34 is realized in two parts.
  • the rotor carrier 2 extends outward from the cup region 17 in the radial direction.
  • the rotor carrier 2 has a disk region 31 following the cup region 17.
  • To a radial outer side of the disc portion 31 includes a sleeve portion 32 of the Rotor carrier 2 on.
  • To a radial outer side of the sleeve portion 32 a rotor 3 of an electric machine 4 is housed rotatably.
  • the rotor 3 is rotatably mounted about the rotor support 2 about the rotation axis 12 relative to the housing 19.
  • a stator 43 of the electric machine 4 is arranged radially outside the rotor 3 and accommodated in the housing 19. The electric machine 4 is thereby arranged coaxially with the axis of rotation 12.
  • the second and third clutches 9 and 10 are each similar in construction to the first clutch 6.
  • the first coupling components 7b, 7c of the second and third clutches 9, 10 are received directly on a radial inner side of the sleeve section 32 and thus attached to the rotor carrier 2.
  • the second clutch components 8b, 8c of the clutches 9, 10 (each having a friction element carrier 38b, 38c receiving the second friction elements 11) are further connected to the respective transmission input shaft 29a, 29b.
  • the second clutch 9 and the third clutch 10 are each designed as a friction disk clutch and accordingly have a plurality of first and second friction elements 39, 11 alternately arranged in the axial direction.
  • the second clutch 9 is inserted between the rotor carrier 2 and the first transmission input shaft 29a
  • the third clutch 10 is inserted between the rotor carrier 2 and the second transmission input shaft 29b.
  • the friction elements 11, 39 of the second clutch 9 are arranged radially outside of the friction elements 11, 39 of the first clutch 6.
  • the friction elements 11, 39 of the third clutch 10 are arranged offset in the axial direction to the friction elements 11, 39 of the first clutch 6 and the second clutch 9.
  • the respective clutches 6, 9, 10 are switchable in the same way between an open position in which the respective friction elements 11, 39 are freely rotatable relative to each other, and a closed position in which the respective friction elements 11, 39 are rotatably connected to each other ,
  • the operability of the clutch KO (first clutch 6) is improved by the cooling oil supply is improved. This allows both a uniform distribution over the circumference and in the axial direction.
  • a plate carrier (support component 14) made of sheet metal is used. This is connected to the rotor carrier 2, that the clutch torque between the plate carrier 14 and the rotor carrier 2 can be transmitted during operation. This is done for example via a welding screw or rivet.
  • other connection techniques are also conceivable.
  • Fig. 2 shows how the inventive solution can be implemented.
  • the rotor carrier 2 is fixedly connected via an axial stop 42 and a wedge ring 41 to a bearing 21, which is located on a housing 19. Since the rotor carrier 2 has no external teeth below the separating coupling K0 6, it can be designed simpler and be represented, for example, as a sheet metal part.
  • the inner disk carrier (supporting component 14) is arranged above the rotor carrier 2 and is centered over its inner diameter.
  • the disk carrier 14 has on the left side (second axial side 24) a closed annular collar 28, via which it can be welded onto the rotor carrier 2.
  • On the right side (first axial side 23) is located for manufacturing reasons no covenant.
  • the carrier 14 is impressed on the underside of the toothing 25 only in the axial direction in order to prevent leakage of the cooling oil.
  • the rotor carrier 2 is designed such that the disk carrier 14 protrudes on the right side 23.
  • oil flowing radially outwards can be distributed to the individual teeth 26 during a rotational movement of the rotor carrier 2 (and thus also of the disk carrier 14) (uniform distribution over the circumference).
  • the inner disk carrier 14 is produced as a sheet metal part, it is also possible to provide the individual teeth 26 with axially spaced-apart holes (through holes 27). Thus, a distribution of the oil takes place in the axial direction.
  • the advantages of this embodiment can be seen in particular in the simple design of the rotor carrier 2, in the improved distribution of the cooling oil and in the simple production of the toothing 25 as a sheet metal part 14.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

The invention relates to a clutch arrangement (1) for a drivetrain (20) of a motor vehicle, having a rotatably mounted rotor carrier (2), having an electric machine (4) which is attached by means of the rotor (3) thereof to the rotor carrier (2) for conjoint rotation, having a first clutch (6) which acts between an input shaft (5) and the rotor carrier (2), wherein a first clutch component (7a) of the first clutch (6) is connected to the input shaft (5) for conjoint rotation, and a second clutch component (8a), which is selectively rotationally couplable to the first clutch component (7a), of the first clutch (6) is connected to the rotor carrier (2) for conjoint rotation, and having a second clutch (9) and a third clutch (10), which second clutch (9) and third clutch (10) are each attached to the rotor carrier (2) by means of one of two clutch components (7b, 7c) which are selectively rotationally couplable to one another, wherein the second clutch component (8a) of the first clutch (6) has a support component (14) formed from a metal sheet, wherein multiple friction elements (11) are, toward the radial inner side (13) thereof with respect to an axis of rotation (12) of the rotor carrier (2), held on the support component (14) for conjoint rotation and so as to be displaceable relative to one another in an axial direction, and the support component (14) is fastened to the rotor carrier (2) such that multiple fluid passages (15) are formed between the support component (14) and the rotor carrier (2). The invention furthermore relates to a hybrid drivetrain (20) having said clutch arrangement (1).

Description

Kupplunqsanordnunq mit als Blechteil ausqebildeten und mit einem Rotorträqer verbundenen Traqbestandteil; sowie Antriebsstranq  Kupplunqsanordnunq with auskebildet as a sheet metal part and connected to a Rotorträqer Traqbestandteil; as well as powertrain
Die Erfindung betrifft eine Kupplungsanordnung (auch als Hybridmodul bezeichnet) für einen (Hybrid-) Antriebsstrang eines Kraftfahrzeuges, wie eines Pkws, Lkws, Busses oder sonstigen Nutzfahrzeuges, mit einem drehbar gelagerten Rotorträger, einer mit ihrem Rotor drehfest an dem Rotorträger angebrachten elektrischen Maschine, einer zwischen einer Eingangswelle und dem Rotorträger wirkenden ersten Kupplung, wo bei ein erster Kupplungsbestandteil der ersten Kupplung drehfest mit der Eingangs- welle verbunden ist und ein, wahlweise mit dem ersten Kupplungsbestandsteil rotato- risch koppelbarer, zweiter Kupplungsbestandteil der ersten Kupplung drehfest mit dem Rotorträger verbunden ist, sowie mit einer zweiten Kupplung und einer dritten Kupp- lung, welche zweite Kupplung und dritte Kupplung jeweils mit einem von zwei wahl- weise miteinander rotatorisch koppelbaren Kupplungsbestandteilen an dem Rotorträ- ger angebracht sind. Zudem betrifft die Erfindung einen (Hybrid-) Antriebsstrang für ein Kraftfahrzeug, mit dieser Kupplungsanordnung. The invention relates to a clutch arrangement (also referred to as a hybrid module) for a (hybrid) drive train of a motor vehicle, such as a car, truck, bus or other commercial vehicle, with a rotatably mounted rotor carrier, a rotatably mounted with its rotor on the rotor carrier electric machine, a first coupling acting between an input shaft and the rotor carrier, where a first coupling component of the first clutch is non-rotatably connected to the input shaft and a second coupling component of the first clutch rotatably connected to the rotor carrier, optionally rotatably coupled to the first coupling component is, as well as with a second clutch and a third clutch, which second clutch and third clutch are each mounted with one of two optionally rotationally coupled coupling components to the Rotorträ- ger. In addition, the invention relates to a (hybrid) powertrain for a motor vehicle, with this coupling arrangement.
Gattungsgemäße Kupplungsanordnungen mit entsprechend koaxial angeordneten elektrischen Maschinen sind aus dem Stand der Technik bereits hinlänglich bekannt. Beispielsweise offenbart die DE 10 2007 008 946 A1 eine Mehrfachkupplung für ein Fahrzeug mit einem entsprechenden Hybridantrieb. Aus der DE 10 2009 059 944 A1 ist beispielhafter Stand der Technik in Form eines Hybridmoduls bekannt. Generic coupling arrangements with correspondingly coaxially arranged electrical machines are already well known from the prior art. For example, DE 10 2007 008 946 A1 discloses a multiple clutch for a vehicle with a corresponding hybrid drive. DE 10 2009 059 944 A1 discloses exemplary prior art in the form of a hybrid module.
Als Nachteil der aus dem Stand der Technik bekannten Ausführungen hat es sich je- doch herausgestellt, dass diese aufgrund der Ausgestaltung der elektrischen Maschi- nen und der Anordnung der jeweiligen Kupplungen relativ aufwändig im Aufbau sind. Dies führt dazu, dass die umgesetzten Kupplungsanordnungen relativ viel Bauraum in Anspruch nehmen. Die Kupplungsanordnungen sind somit für besonders kompakt bauende Antriebsstränge relativ ungeeignet. Zudem hat es sich als Nachteil heraus- gestellt, dass, wenn möglichst kompakt gebaut wird, die einzelnen Kupplungen in ihrer Funktionalität / Effektivität negativ beeinflusst werden. Es ist daher Aufgabe der vorliegenden Erfindung, die aus dem Stand der Technik be- kannten Nachteile zu beheben und insbesondere eine Kupplungsanordnung zur Ver- fügung zu stellen, die einerseits einen möglichst geringen Bauraum benötigt, anderer- seits eine sichere Funktionalität über eine möglichst lange Lebensdauer hinweg ge- währleistet. However, it has proved to be a disadvantage of the embodiments known from the prior art that, due to the design of the electrical machines and the arrangement of the respective clutches, they are relatively complex in construction. This leads to the fact that the converted clutch assemblies take up a relatively large amount of space. The clutch assemblies are thus relatively unsuitable for particularly compact drive trains. In addition, it has proven to be a disadvantage that, if it is built as compact as possible, the individual clutches are adversely affected in their functionality / effectiveness. It is therefore an object of the present invention to overcome the disadvantages known from the prior art and, in particular, to provide a coupling arrangement which on the one hand requires the smallest possible installation space and, on the other hand, reliable functionality over the longest possible service life guaranteed.
Dies wird erfindungsgemäß dadurch gelöst, dass der zweite Kupplungsbestandteil der ersten Kupplung einen aus einem Metallblech (separat zu dem Rotorträger) ausge- formten Tragbestandteil aufweist, wobei mehrere (zweite) Reibelemente, in Bezug auf eine Drehachse des Rotorträgers, zu ihrer radialen Innenseite hin drehfest sowie rela- tiv zueinander in einer axialen Richtung verschiebbar an dem Tragbestandteil aufge- nommen sind und der Tragbestandteil so an dem Rotorträger befestigt ist, dass zwi- schen dem Tragbestandteil und dem Rotorträger mehrere Fluidpassagen ausgebildet sind. This is inventively achieved in that the second coupling component of the first clutch comprises a support member formed from a metal sheet (separate from the rotor carrier), wherein a plurality of (second) friction members, with respect to a rotational axis of the rotor carrier, rotationally fixed to its radial inner side as well as being displaceable relative to one another in an axial direction on the supporting component and the supporting component is fastened to the rotor carrier such that a plurality of fluid passages are formed between the supporting component and the rotor carrier.
Durch eine derartige Umsetzung eines zusätzlichen Tragbestandteils wird im Betrieb der Kupplungsanordnung ein Kühlfluid besonders geschickt in den Bereich des Trag- bestandteils und somit radial innerhalb der entsprechenden Reibelemente eingeleitet, um von dort aus die entsprechenden Reibelemente effektiv zu kühlen. Folglich ist die erste Kupplung besonders langlebig ausgestaltet. By such an implementation of an additional supporting component, a cooling fluid is particularly cleverly introduced into the region of the supporting component and thus radially within the corresponding friction elements during operation of the coupling arrangement in order to effectively cool the corresponding friction elements therefrom. Consequently, the first coupling is designed to be particularly durable.
Weitere vorteilhafte Ausführungsformen sind mit den Unteransprüchen beansprucht und nachfolgend näher erläutert. Further advantageous embodiments are claimed with the subclaims and explained in more detail below.
Demnach ist es insbesondere vorteilhaft, wenn die verschiedenen Fluidpassagen in radialer Richtung unmittelbar zwischen dem Tragbestandteil und dem Rotorträger ausgebildet sind. Die Fluidpassagen sind jeweils bevorzugt in Umfangsrichtung verteilt angeordnet und verlaufen entlang einer axialen Richtung der Kupplungsanordnung / der Drehachse. Dadurch wird eine besonders effektive Kühlung der ersten Kupplung realisiert. Hinsichtlich der Anordnung ist es weiterhin vorteilhaft, wenn der Tragbestandteil auf einer radialen Außenseite eines in axialer Richtung vorstehenden Napfbereiches des Rotorträgers (vorzugsweise zentriert) angeordnet / aufgenommen ist. Dadurch ergibt sich eine besonders geschickte Ausbildung des Rotorträgers zur Aufnahme des Trag- bestandteils, um weiteren Bauraum einzusparen. Accordingly, it is particularly advantageous if the various fluid passages are formed in the radial direction directly between the supporting component and the rotor carrier. The fluid passages are each preferably distributed in the circumferential direction and extend along an axial direction of the coupling arrangement / the axis of rotation. As a result, a particularly effective cooling of the first clutch is realized. With regard to the arrangement, it is furthermore advantageous if the supporting component is arranged / accommodated (preferably centered) on a radial outer side of a cup region of the rotor carrier projecting in the axial direction. This results in a particularly clever design of the rotor carrier for receiving the supporting component, in order to save further space.
Von dem Napfbereich aus erstreckt sich der Rotorträger bevorzugt über einen Schei- benbereich in radialer Richtung nach außen zu einem den Rotor unmittelbar aufneh- menden Hülsenabschnitt des Rotorträgers. Dadurch ist der Rotorträger wiederum be- sonders bauraumsparend ausgebildet. From the cup region, the rotor carrier preferably extends outward over a disk region in the radial direction to a sleeve section of the rotor carrier which receives the rotor directly. As a result, the rotor carrier is again designed to save space in a particularly space-saving manner.
Ist zu einer radialen Innenseite des Napfbereiches ein den Rotorträger relativ zu ei- nem Gehäuse (der Kupplungsanordnung) verdrehbar lagerndes Wälzlager, das vor- zugsweise als ein Kugellager, nämlich ein Rillenkugellager, umgesetzt ist, aufgenom- men, ist eine besonders kompakte axiale Anordnung realisiert. In diesem Zusammen- hang ist es besonders bevorzugt, einen Lageraußenring des Wälzlagers unmittelbar an der radialen Innenseite des Napfbereiches drehfest sowie in axialer Richtung gesi- chert aufzunehmen. If a rolling bearing which rotatably supports the rotor carrier relative to a housing (the clutch arrangement) and which is preferably implemented as a ball bearing, namely a deep groove ball bearing, is accommodated on a radial inner side of the cup region, a particularly compact axial arrangement is realized , In this connection, it is particularly preferred to receive a bearing outer ring of the roller bearing in a rotationally fixed manner directly on the radial inner side of the cup region and in a secure manner in the axial direction.
Ist der Tragbestandteil mittels einer Verschweißung, weiter bevorzugt einer Ver- schraubung oder besonders bevorzugt einer Vernietung an dem Rotorträger befestigt, ist der Tragbestandteil besonders einfach sowie robust an dem Rotorträger montiert.If the supporting component is fastened to the rotor carrier by means of a welding, more preferably a screw connection or particularly preferably a riveting, the supporting component is mounted on the rotor carrier in a particularly simple and robust manner.
In diesem Zusammenhang ist es prinzipiell auch möglich, weitere kraftschlüssige, formschlüssige und/oder stoffschlüssige Verbindungen zwischen dem Tragbestandteil und dem Rotorträger vorzusehen. Auch eine Kombination mehrerer Verbindungsarten ist möglich. So ist bspw. auch eine Verschweißung in Kombination mit der Vernietung und/oder der Verschraubung, oder eine Kombination der Verschraubung mit der Ver- nietung von Vorteil. In this context, it is also possible in principle to provide further frictional, positive and / or material-locking connections between the supporting component and the rotor carrier. A combination of several types of connection is possible. Thus, for example, welding in combination with the riveting and / or the screw connection, or a combination of the screw connection with the riveting, is also advantageous.
Überragt der Tragbestandteil den Rotorträger zu einer ersten axialen Seite hin, ist ein einfach herstellbarer Fluidauffangbereich an dem Tragbestandteil realisiert, mittels dem im Betrieb durch die Fliehkraft radial nach außen strömendes Kühlfluid aufgefan- gen wird und in den Bereich innerhalb der Reibelemente weitergeleitet wird. If the supporting component protrudes beyond the rotor carrier toward a first axial side, a fluid catchment region which can be produced easily on the supporting component is realized by means of the cooling fluid which flows radially outwards during operation due to the centrifugal force is collected and is forwarded to the area within the friction elements.
Der Tragbestandteil ist wiederum besonders einfach herstellbar, wenn dieser eine die (zweiten) Reibelemente aufnehmende Zahnstruktur ausformt und derart an dem Ro- torträger angebracht ist, dass im Betrieb der Kupplungsanordnung ein Kühlfluid in axi- aler Richtung die durch die Zahnstruktur mit ausgebildeten Fluidpassagen durch- strömt. In turn, the supporting component is particularly easy to produce when it forms a tooth structure receiving the (second) friction elements and is mounted on the rotor carrier in such a way that, during operation of the coupling arrangement, a cooling fluid in the axial direction passes through the fluid passages formed through the tooth structure. flows.
Zudem ist es zweckmäßig, wenn mehrere in radialer Richtung nach außen abste- hende Zähne / Erhebungen der Zahnstruktur mit Durchgangslöchern, die jeweils mit einer Fluidpassage verbunden sind, versehen sind. Dadurch wird die Fluidumleitung weiter verbessert. In addition, it is expedient if a plurality of teeth / elevations of the tooth structure protruding outwards in the radial direction are provided with through holes, which are each connected to a fluid passage. As a result, the fluid bypass is further improved.
Diesbezüglich ist es auch vorteilhaft, wenn die Fluidpassagen zu der ersten axialen Seite des Tragbestandteils hin, vorzugsweise über eine Anprägung, begrenzt / be- schränkt / abgetrennt / abgeschlossen sind. In this regard, it is also advantageous if the fluid passages are limited to the first axial side of the supporting component, preferably via an embossing, / limited / separated / closed.
Von Vorteil ist es des Weiteren, wenn der Tragbestandteil auf einer, der ersten axialen Seite abgewandten, zweiten axialen Seite mit einem axial an dem Rotorträger abge- stützten / befestigten (vorzugsweise ringförmigen / kreisringförmigen) Bund ausgestat- tet ist. Dadurch kommt es zu einer besonders robusten Abstützung des Tragbestand- teils in axialer Richtung. Gemäß einer besonders bevorzugten Ausführung ist der Bund (mittels der Verschweißung, Vernietung oder Verschraubung) direkt an dem Ro- torträger angebracht / befestigt. It is furthermore advantageous if the supporting component is equipped on a second axial side facing away from the first axial side with a collar (preferably annular / annular) axially supported on the rotor carrier. This results in a particularly robust support of the supporting component in the axial direction. According to a particularly preferred embodiment, the collar (by means of welding, riveting or screwing) is attached / attached directly to the rotor carrier.
Auch der Rotorträger ist bevorzugt (insbesondere seitens eines den Napfbereich aus- bildenden Abschnittes / Bestandteils) aus einem Metallblech ausgeformt. Also, the rotor carrier is preferably formed (in particular on the part of the Napfbereich forming portion / component) of a metal sheet.
Zudem betrifft die Erfindung einen Flybridantriebsstrang für ein Kraftfahrzeug, mit ei- ner erfindungsgemäßen Kupplungsanordnung nach zumindest einer der zuvor be- schriebenen Ausführungen und einem Getriebe, wobei die zweite Kupplung zwischen dem Rotorträger und einer ersten Getriebeeingangswelle des Getriebes und die dritte Kupplung zwischen dem Rotorträger und einer zweiten Getriebeeingangswelle des Getriebes wirkend eingesetzt sind. In addition, the invention relates to a Flybridantriebsstrang for a motor vehicle, with a ner clutch assembly according to the invention according to at least one of the previously described embodiments and a transmission, wherein the second clutch between the rotor carrier and a first transmission input shaft of the transmission and the third clutch between the rotor carrier and a second transmission input shaft of the transmission are used acting.
In anderen Worten ausgedrückt, ist somit erfindungsgemäß ein Innenlamellenträger (Tragbestandteil) der Trennkupplung (erste Kupplung) als Blechteil im Rotorträger in- tegriert. Der Lamellenträger (Tragbestandteil) der Trennkupplung ist aus einem Blech- teil / einer Blechplatte hergestellt, die fest an dem Rotorträger für einen Rotor einer elektrischen Maschine, bspw. über eine Verschweißung, eine Verschraubung oder eine Vernietung, angebracht ist. In other words, according to the invention, therefore, an inner disk carrier (supporting component) of the separating clutch (first clutch) is integrated as a sheet metal part in the rotor carrier. The disk carrier (supporting component) of the separating clutch is made of a sheet metal part / a sheet metal plate, which is fixedly attached to the rotor carrier for a rotor of an electric machine, for example via a weld, a screw connection or a riveting.
Die Erfindung wird nun nachfolgend anhand von Figuren näher erläutert. The invention will now be explained in more detail with reference to figures.
Es zeigen: Show it:
Fig. 1 eine Längsschnittdarstellung einer mit der Erfindung ähnlichen, in einem An- triebsstrang eingesetzten Kupplungsanordnung, aus der der prinzipielle Auf- bau der erfindungsgemäßen Kupplungsanordnung gemäß der mit Fig. 2 dar- gestellten erfindungsgemäßen Ausführung besonders gut hervorgeht, und 1 shows a longitudinal sectional illustration of a clutch arrangement similar to the invention, used in a drive train, from which the basic design of the clutch arrangement according to the invention in accordance with the embodiment according to the invention shown in FIG
Fig. 2 einen Detailbereich einer erfindungsgemäßen Kupplungsanordnung nach ei- nem bevorzugten Ausführungsbeispiel in einem Längsschnitt, wobei ein ei- nen erfindungsgemäßen Tragbestandteil aufnehmender Bereich eines Rotor- trägers seitens einer ersten Kupplung der Kupplungsanordnung gut zu er- kennen ist. 2 shows a detailed region of a coupling arrangement according to the invention in a longitudinal section, wherein a region of a rotor carrier receiving a support component according to the invention can be well recognized by a first coupling of the coupling arrangement.
Die Figuren sind lediglich schematischer Natur und dienen ausschließlich dem Ver- ständnis der Erfindung. Die gleichen Elemente sind mit denselben Bezugszeichen ver- sehen. The figures are merely schematic in nature and serve only to understand the invention. The same elements are given the same reference numerals.
In Verbindung mit Fig. 1 ist zunächst eine Kupplungsanordnung 1 beschrieben, die in ihrem prinzipiellen Aufbau der erfindungsgemäßen Kupplungsanordnung 1 nach Figur 2 entspricht, sodass für beide Kupplungsanordnungen 1 die gleichen Bezugszeichen verwendet sind. In Fig. 1 ist somit ein mit der Erfindung vergleichbarer Aufbau einer erfindungsgemäßen Kupplungsanordnung 1 gezeigt. Die konkreten Unterschiede der erfindungsgemäßen Kupplungsanordnung 1 gegenüber der in Fig. 1 gezeigten Kupp- lungsanordnung sich nachfolgend in Verbindung mit Fig. 2 näher beschrieben. In conjunction with FIG. 1, a coupling arrangement 1 is first described, which in its basic structure of the coupling arrangement 1 according to the invention according to FIG 2 corresponds, so that the same reference numerals are used for both clutch assemblies 1. FIG. 1 thus shows a construction of a coupling arrangement 1 according to the invention comparable to the invention. The concrete differences between the coupling arrangement 1 according to the invention and the coupling arrangement shown in FIG. 1 will be described in more detail below in connection with FIG. 2.
Wie in Fig. 1 zunächst zu erkennen, ist die Kupplungsanordnung 1 im Betrieb bevor- zugt Bestandteil eines hybriden Antriebsstranges 20 / Flybridantriebsstranges eines Kraftfahrzeuges. Die Kupplungsanordnung 1 ist auch als Hybridmodul bezeichnet und bildet auf typische Weise eine Kombination aus mehreren, nämlich drei, Kupplungen 6, 9, 10 und einer elektrischen Maschine 4. Teil des Antriebsstranges 20 sind weiter- hin eine hier der Übersichtlichkeit halber nicht weiter dargestellte Verbrennungskraft- maschine sowie ein Getriebe 30, welches Getriebe 30 der Übersichtlichkeit halber le- diglich seitens seiner beiden Getriebeeingangswellen 29a, 29b dargestellt ist. Die Ver- brennungskraftmaschine ist auf typische Weise (mit ihrer Ausgangswelle) mit einer Eingangswelle 5 der Kupplungsanordnung 1 rotatorisch gekoppelt. In dieser Ausfüh- rung ist die Ausgangswelle über einen Drehschwingungsdämpfer 36 in Form eines Zweimassenschwungrades mit der Eingangswelle 5 verbunden. Die Getriebeein- gangswellen 29a, 29b des Getriebes 30 sind wiederum mit einer Ausgangsseite der Kupplungsanordnung 1 entsprechend gekoppelt. As can initially be seen in FIG. 1, the clutch arrangement 1 is preferably part of a hybrid drive train 20 / fly-hybrid drive train of a motor vehicle during operation. The clutch assembly 1 is also referred to as a hybrid module and typically forms a combination of several, namely three, clutches 6, 9, 10 and an electric machine 4. Part of the drive train 20 continue to be a combustion not shown here for clarity - Machine and a transmission 30, which transmission 30 for the sake of clarity, only by its two transmission input shafts 29a, 29b is shown. The internal combustion engine is typically rotationally coupled (with its output shaft) to an input shaft 5 of the clutch assembly 1. In this embodiment, the output shaft is connected to the input shaft 5 via a torsional vibration damper 36 in the form of a dual-mass flywheel. The transmission input shafts 29a, 29b of the transmission 30 are in turn correspondingly coupled to an output side of the clutch assembly 1.
Die Kupplungsanordnung 1 weist demnach mehrere Kupplungen 6, 9, 10 auf, die zum Schalten verschiedener Betriebszustände der Kupplungsanordnung 1 eingesetzt sind. Eine erste Kupplung 6 bildet eine Trennkupplung aus und dient zum wahlweisen Ver- binden der Eingangswelle 5 mit einem zentralen, um eine Drehachse 12 drehbar gela- gerten Rotorträger 2 der Kupplungsanordnung 1. Eine zweite Kupplung 9 sowie eine dritte Kupplung 10 bilden zusammen eine Doppelkupplung aus und sind somit jeweils auch als Teilkupplungen bezeichnet. Die zweite Kupplung 9 und die dritte Kupplung 10 sind jeweils zwischen dem Rotorträger 2 und einer der Getriebeeingangswellen 29a, 29b wirkend eingesetzt. In Abhängigkeit der Stellung der jeweiligen Kupplung 6,The clutch assembly 1 accordingly has a plurality of clutches 6, 9, 10, which are used for switching various operating states of the clutch assembly 1. A first clutch 6 forms a separating clutch and serves for selectively connecting the input shaft 5 to a central rotor carrier 2 of the clutch arrangement 1 rotatably mounted about an axis of rotation 12. A second clutch 9 and a third clutch 10 together form a double clutch and are thus each also referred to as partial clutches. The second clutch 9 and the third clutch 10 are each inserted between the rotor carrier 2 and one of the transmission input shafts 29a, 29b acting. Depending on the position of the respective clutch 6,
9, 10 wird ein Drehmoment von der Verbrennungskraftmaschine auf eine der beiden Getriebeeingangswellen 29a, 29b und/oder auf die elektrische Maschine 4 und/oder ein Drehmoment von der elektrischen Maschine 4 auf eine der beiden Getriebeein- gangswellen 29a, 29b oder auf die Ausgangswelle der Verbrennungskraftmaschine übertragen. 9, 10 is a torque from the internal combustion engine to one of the two transmission input shafts 29 a, 29 b and / or on the electric machine 4 and / or transmit torque from the electric machine 4 to one of the two transmission input shafts 29a, 29b or to the output shaft of the internal combustion engine.
In Bezug auf den weiteren Aufbau der Kupplungsanordnung 1 ist zu erkennen, dass die Eingangswelle 5 relativ zu einem Gehäuse 19 der Kupplungsanordnung 1 um die Drehachse 12 verdrehbar gelagert ist. Die Eingangswelle 5 durchdringt das Gehäuse 19 in axialer Richtung und ragt von einer der Verbrennungskraftmaschine zugewand- ten axialen Außenseite des Gehäuses 19 in einen Innenraum 37 des Gehäuses 19 hinein. In dem Innenraum 37 ist zwischen der Eingangswelle 5 und dem Rotorträger 2 die erste Kupplung 6 wirkend eingesetzt. Die erste Kupplung 6 ist als Reiblamellen- kupplung realisiert. Ein erster Kupplungsbestandteil 7a der ersten Kupplung 6 ist un- mittelbar drehfest mit der Eingangswelle 5 verbunden. An der Eingangswelle 5 ist zu diesem Zwecke ein (erster) Reibelementeträger 38a, der zum ersten Kupplungsbe- standteil 7a dazu gehört, angeordnet. Der erste Reibelementeträger 38a nimmt meh- rere erste Reibelemente 39 des ersten Kupplungsbestandteils 7a drehfest sowie in axialer Richtung relativ zueinander verschiebbar auf. Die ersten Reibelemente 39 sind in axialer Richtung abwechselnd sowie in radialer Richtung auf gleicher Höhe mit mehreren (zweiten) Reibelementen 11 eines zweiten Kupplungsbestandteils 8a der ersten Kupplung 6 angeordnet. Die ersten Reibelemente 39 sowie die zweiten Reibe- lemente 11 der ersten Kupplung 6 sind jeweils als Reiblamellen ausgeführt. With regard to the further construction of the clutch assembly 1, it can be seen that the input shaft 5 is rotatably mounted about the axis of rotation 12 relative to a housing 19 of the clutch assembly 1. The input shaft 5 penetrates the housing 19 in the axial direction and protrudes from an axial outside of the housing 19 facing the internal combustion engine into an interior 37 of the housing 19. In the interior 37, the first clutch 6 is inserted between the input shaft 5 and the rotor carrier 2 acting. The first clutch 6 is realized as a friction disk clutch. A first clutch constituent 7a of the first clutch 6 is connected directly to the input shaft 5 in a rotationally fixed manner. For this purpose, a (first) friction element carrier 38a, which belongs to the first clutch component 7a, is arranged on the input shaft 5. The first friction element carrier 38a receives a plurality of first friction elements 39 of the first clutch component 7a in a rotationally fixed manner and displaceable in the axial direction relative to one another. The first friction elements 39 are arranged alternately in the axial direction and in the radial direction at the same height with a plurality of (second) friction elements 11 of a second clutch component 8a of the first clutch 6. The first friction elements 39 and the second friction elements 11 of the first clutch 6 are each designed as friction plates.
Für den weiteren Aufbau der ersten Kupplung 6 sei insbesondere auf Fig. 2 verwie- sen, wobei insbesondere der erfindungsgemäße Aufbau des zweiten Kupplungsbe- standteils 8a und dessen Anbringung an dem Rotorträger 2 zu erkennen ist. Erfin- dungsgemäß weist der zweite Kupplungsbestandteil 8a einen separat zu dem Rotor- träger 2 ausgebildeten Tragbestandteil 14 auf. Der Tragbestandteil 14 dient als Innen- träger / Innenlamellenträger und nimmt somit die zweiten Reibelemente 11 zu ihrer ra- dialen Innenseite 13 hin drehfest sowie in axialer Richtung relativ zueinander ver- schiebbar auf. Der Tragbestandteil 14 ist im Wesentlichen aus einem Metallblech aus- geformt und gesamtheitlich ringförmig ausgebildet. Der Tragbestandteil 14 weist an seinem Außenumfang eine (mehrere in Umfangsrichtung verteilte Zähne 26 aufwei- sende) Zahnstruktur 25 / Verzahnung auf. Diese Zahnstruktur 25 dient unmittelbar zur Aufnahme der zweiten Reibelemente 11 zu ihrer radialen Innenseite 13 hin. Hierzu sind die zweiten Reibelemente 11 an ihrer radialen Innenseite 13 mit einer gegensin- nig zu der Zahnstruktur 25 ausgebildeten Gegenverzahnungen 40 versehen. Die zwei- ten Reibelemente 11 sind mit der Gegenverzahnung 40 in axialer Richtung auf die Zahnstruktur 25 aufgeschoben und dadurch über einen Formschluss drehfest an dem Tragbestandteil 14 aufgenommen. For the further construction of the first clutch 6, reference should be made in particular to FIG. 2, wherein in particular the construction according to the invention of the second clutch component 8 a and its attachment to the rotor carrier 2 can be seen. According to the invention, the second coupling component 8a has a supporting component 14 designed separately from the rotor carrier 2. The supporting component 14 serves as an inner carrier / inner disk carrier and thus takes the second friction elements 11 in a rotationally fixed manner relative to their radial inner side 13 and displaceably in the axial direction relative to one another. The supporting component 14 is essentially formed out of a metal sheet and of annular design. The supporting component 14 indicates its outer circumference has a tooth structure 25 / toothing (a plurality of teeth 26 distributed in the circumferential direction). This tooth structure 25 serves directly for receiving the second friction elements 11 towards its radial inner side 13. For this purpose, the second friction elements 11 are provided on their radially inner side 13 with a counter toothing 40 formed opposite to the tooth structure 25. The second friction elements 11 are pushed with the counter-toothing 40 in the axial direction on the tooth structure 25 and thereby rotatably received on the supporting component 14 via a positive connection.
Der Tragbestandteil 14 ist fest an dem Rotorträger 2 befestigt. Insbesondere bildet der Rotorträger 2 einen Napfbereich 17 aus, zu dessen radialer Außenseite 16 der Trag- bestandteil 14 aufgenommen ist und radial von außen anliegt. Der Napfbereich 17 ist durch einen aus einem Metallblech geformten Abschnitt des Rotorträgers 2 gebildet. Durch die Ausformung des Tragbestandteils 14 aus einem Metallblech einheitlicher Dicke bilden sich durch die Zahnstruktur 25 radial nach innen, d. h. zu dem Napfbe- reich 17 hin, mehrere längliche, in einer axialen Richtung der Drehachse 12 verlau- fende Hohlräume aus. Diese Hohlräume bilden zusammen mit dem Napfbereich 17 / dem Rotorträger 2 gezielt Fluidpassagen 15 aus. Die Fluidpassagen 15 sind somit in Umfangsrichtung verteilt angeordnet. The supporting component 14 is fixedly attached to the rotor carrier 2. In particular, the rotor carrier 2 forms a cup region 17, to the radial outer side 16 of the support member 14 is received and radially abutting from the outside. The cup portion 17 is formed by a portion formed of a metal sheet of the rotor carrier 2. Due to the shape of the supporting component 14 of a metal sheet of uniform thickness form through the tooth structure 25 radially inwardly, d. H. towards the cup region 17, a plurality of elongated cavities extending in an axial direction of the axis of rotation 12. These cavities form fluid passages 15 in a targeted manner together with the cup region 17 / the rotor carrier 2. The fluid passages 15 are thus arranged distributed in the circumferential direction.
Des Weiteren ist erkennbar, dass der Tragbestandteil 14 zu einer ersten axialen Seite 23 hin einen Abschnitt des Rotorträgers 2, nämlich den Napfbereich 17, in axialer Richtung überragt. Dadurch sind die Fluidpassagen 15 in radialer Richtung nach innen nicht von dem Rotorträger 2 abgedeckt, sondern geöffnet. Ein im Betrieb durch die wirkende Fliehkraft in radialer Richtung nach außen befördertes Kühlfluid wird von dem Tragbestandteil 14 aufgefangen und in axialer Richtung über die Fluidpassagen 15 auf die Höhe der jeweiligen zweiten Reibelemente 11 befördert. Zum Ausströmen des Kühlfluids in radialer Richtung in (axiale) Zwischenräume zwischen den Reibele- menten 11 und 39 sind in dem Tragbestandteil 14 zusätzliche Durchgangslöcher 27 vorgesehen. Prinzipiell sind die Durchgangslöcher 27 in axialer Richtung zwischen je- weils zwei nebeneinander angeordneten zweiten Reibelementen 11 vorgesehen. Die Durchgangslöcher 27 sind insbesondere in mehreren in radialer Richtung nach außen abstehenden Zähnen 26 der Zahnstruktur 25 eingebracht. Furthermore, it can be seen that the supporting component 14 projects beyond a section of the rotor carrier 2, namely the cup region 17, in the axial direction toward a first axial side 23. As a result, the fluid passages 15 are not covered in the radial direction inwardly by the rotor carrier 2, but open. A cooling fluid conveyed outwards in the radial direction during operation by the acting centrifugal force is collected by the supporting component 14 and conveyed in the axial direction via the fluid passages 15 to the height of the respective second friction elements 11. For the outflow of the cooling fluid in the radial direction into (axial) spaces between the friction elements 11 and 39, additional through holes 27 are provided in the supporting component 14. In principle, the through-holes 27 are provided in the axial direction between each two adjacent second friction elements 11. The Through holes 27 are introduced in particular in a plurality of teeth 26 of the tooth structure 25 projecting outward in the radial direction.
Zudem ist der Tragbestandteil 14 zu seiner ersten axialen Seite 23 hin derart mittels einer Anprägung 35 / Prägung ausgestattet, dass die Fluidpassagen 15 jeweils zu die- ser ersten axialen Seite 23 hin abgeschlossen / begrenzt sind. Der Bund 28 stellt eine radiale Verstärkung gegenüber dem Bereich der Zahnstruktur 25 dar und bildet einen Bereich, der unmittelbar mit dem Rotorträger 2, nämlich dem Scheibenbereich 31 , ver- schweißt ist. Der Bund 28 ist auf einer, der ersten axialen Seite 23 abgewandten, zweiten axialen Seite 24 des Tragbestandteils 14 ausgebildet. Der Vollständigkeit hal- ber sei darauf hingewiesen, dass es prinzipiell gemäß weiteren Ausführungen möglich ist, eine andere Verbindungsart als die Verschweißung 22 zwischen dem Tragbe- standteil 14 und dem Rotorträger 2 vorzusehen. In addition, the supporting component 14 is equipped to its first axial side 23 in such a way by means of an embossing 35 / embossing that the fluid passages 15 are each terminated / limited to this first axial side 23. The collar 28 represents a radial reinforcement in relation to the region of the tooth structure 25 and forms a region which is welded directly to the rotor carrier 2, namely the disk region 31. The collar 28 is formed on a, the first axial side 23 facing away, the second axial side 24 of the supporting component 14. For the sake of completeness, it should be pointed out that, in principle, according to further embodiments, it is possible to provide a different type of connection than the welding 22 between the supporting component 14 and the rotor carrier 2.
Der Napfbereich 17 dient nicht nur zur drehfesten Aufnahme des Tragbestandteils 14, wie hier über eine Verschweißung 22 umgesetzt, sondern auch zur Aufnahme eines Wälzlagers 21 , das als Rillenkugellager realisiert ist. Das Wälzlager 21 ist an einer ra- dialen Innenseite 18 des Napfbereiches 17 an diesem befestigt / fest aufgenommen. Ein Lageraußenring 33 des Wälzlagers 21 ist in axialer Richtung sowie in Umfangs- richtung / Drehrichtung an dem Napfbereich 17 / der Innenseite 18 fest aufgenommen. In dieser Ausführung sind ein Keilring 41 sowie ein unmittelbar durch den Rotorträger 2 ausgebildeter radialer Absatz 42 vorgesehen, zwischen welchen der Lageraußen- ring 33 axial eingespannt ist. Ein relativ zu dem Lageraußenring 33 wälzgelagerter La- gerinnenring 34 des Wälzlagers 21 ist wiederum unmittelbar an dem Gehäuse 19, ebenfalls in axialer Richtung gesichert, aufgenommen. Der Lagerinnenring 34 ist zwei- teilig realisiert. The cup portion 17 serves not only for rotationally fixed recording of the supporting component 14, as implemented here via a weld 22, but also for receiving a rolling bearing 21, which is realized as a deep groove ball bearing. The roller bearing 21 is attached to a radial inner side 18 of the cup region 17 at this fixed / recorded. A bearing outer ring 33 of the rolling bearing 21 is fixedly received in the axial direction and in the circumferential direction / direction of rotation on the cup region 17 / the inner side 18. In this embodiment, a wedge ring 41 and a directly formed by the rotor arm 2 radial shoulder 42 are provided, between which the bearing outer ring 33 is axially clamped. In turn, a roller bearing inner race 34 of the roller bearing 21, which roller bearing is supported relative to the bearing outer ring 33, is received directly on the housing 19, likewise secured in the axial direction. The bearing inner ring 34 is realized in two parts.
Zurückkommend auf Fig. 1 ist auch zu erkennen, dass der Rotorträger 2 sich von dem Napfbereich 17 aus in radialer Richtung nach außen erstreckt. Hierzu weist der Rotor- träger 2 einen Scheibenbereich 31 im Anschluss an den Napfbereich 17 auf. Zu einer radialen Außenseite des Scheibenbereichs 31 schließt ein Hülsenabschnitt 32 des Rotorträgers 2 an. Zu einer radialen Außenseite des Hülsenabschnittes 32 ist ein Ro- tor 3 einer elektrischen Maschine 4 drehtest aufgenommen. Der Rotor 3 ist über den Rotorträger 2 relativ zu dem Gehäuse 19 verdrehbar um die Drehachse 12 gelagert. Ein Stator 43 der elektrischen Maschine 4 ist radial außerhalb des Rotors 3 angeord- net und im Gehäuse 19 aufgenommen. Die elektrische Maschine 4 ist dadurch koaxial zu der Drehachse 12 angeordnet. Returning to FIG. 1, it can also be seen that the rotor carrier 2 extends outward from the cup region 17 in the radial direction. For this purpose, the rotor carrier 2 has a disk region 31 following the cup region 17. To a radial outer side of the disc portion 31 includes a sleeve portion 32 of the Rotor carrier 2 on. To a radial outer side of the sleeve portion 32, a rotor 3 of an electric machine 4 is housed rotatably. The rotor 3 is rotatably mounted about the rotor support 2 about the rotation axis 12 relative to the housing 19. A stator 43 of the electric machine 4 is arranged radially outside the rotor 3 and accommodated in the housing 19. The electric machine 4 is thereby arranged coaxially with the axis of rotation 12.
Zudem ist erkennbar, dass die zweiten und dritten Kupplungen 9 und 10 jeweils im Aufbau ähnlich der ersten Kupplung 6 sind. Die ersten Kupplungsbestandteile 7b, 7c der zweiten und dritten Kupplungen 9, 10 sind unmittelbar an einer radialen Innenseite des Hülsenabschnittes 32 aufgenommen und folglich an dem Rotorträger 2 ange- bracht. Die zweiten Kupplungsbestandteile 8b, 8c der Kupplungen 9, 10 (jeweils auf- weisend einen die zweiten Reibelemente 11 aufnehmenden Reibelementeträger 38b, 38c) sind weiter mit der jeweiligen Getriebeeingangswelle 29a, 29b verbunden. Wie bereits die erste Kupplung 6, sind auch die zweite Kupplung 9 und die dritte Kupplung 10 jeweils als Reiblamellenkupplung ausgebildet und weisen demnach mehrere in axi- aler Richtung abwechselnd zueinander angeordnete erste und zweite Reibelemente 39, 11 auf. Die zweite Kupplung 9 ist zwischen dem Rotorträger 2 und der ersten Ge- triebeeingangswelle 29a wirkend eingesetzt und die dritte Kupplung 10 ist zwischen dem Rotorträger 2 und der zweiten Getriebeeingangswelle 29b wirkend eingesetzt. In addition, it can be seen that the second and third clutches 9 and 10 are each similar in construction to the first clutch 6. The first coupling components 7b, 7c of the second and third clutches 9, 10 are received directly on a radial inner side of the sleeve section 32 and thus attached to the rotor carrier 2. The second clutch components 8b, 8c of the clutches 9, 10 (each having a friction element carrier 38b, 38c receiving the second friction elements 11) are further connected to the respective transmission input shaft 29a, 29b. Like the first clutch 6, the second clutch 9 and the third clutch 10 are each designed as a friction disk clutch and accordingly have a plurality of first and second friction elements 39, 11 alternately arranged in the axial direction. The second clutch 9 is inserted between the rotor carrier 2 and the first transmission input shaft 29a, and the third clutch 10 is inserted between the rotor carrier 2 and the second transmission input shaft 29b.
In diesem Zusammenhang sei auch darauf hingewiesen, dass die Reibelemente 11 ,In this context, it should also be noted that the friction elements 11,
39 der zweiten Kupplung 9 radial außerhalb der Reibelemente 11 , 39 der ersten Kupplung 6 angeordnet sind. Die Reibelemente 11 , 39 der dritten Kupplung 10 sind in axialer Richtung versetzt zu den Reibelementen 11 , 39 der ersten Kupplung 6 sowie der zweiten Kupplung 9 angeordnet. 39 of the second clutch 9 are arranged radially outside of the friction elements 11, 39 of the first clutch 6. The friction elements 11, 39 of the third clutch 10 are arranged offset in the axial direction to the friction elements 11, 39 of the first clutch 6 and the second clutch 9.
Die jeweiligen Kupplungen 6, 9, 10 sind auf gleiche Weise zwischen einer geöffneten Stellung, in der die jeweiligen Reibelemente 11 , 39 frei relativ zueinander verdrehbar sind, und einer geschlossenen Stellung, in der die jeweiligen Reibelemente 11 , 39 drehfest miteinander verbunden sind, umschaltbar. In anderen Worten ausgedrückt, wird durch die erfindungsgemäße Ausbildung die Funktionsfähigkeit der Trennkupplung KO (erste Kupplung 6) verbessert, indem die Kühlölzuführung verbessert wird. Dies ermöglicht sowohl eine gleichmäßige Vertei- lung über den Umfang als auch in axialer Richtung. Um die Verteilung von Kühlfluid / Kühlöl für die Trennkupplung KO 6 zu verbessern, wird ein Lamellenträger (Tragbe- standteil 14) aus Blech verwendet. Dieser ist so mit dem Rotorträger 2 verbunden, dass das Kupplungsmoment zwischen dem Lamellenträger 14 und dem Rotorträger 2 im Betrieb übertragen werden kann. Dies erfolgt beispielsweise über eine Schweiß- Schraub- oder Nietverbindung. Es sind aber auch andere Verbindungstechniken denk- bar. The respective clutches 6, 9, 10 are switchable in the same way between an open position in which the respective friction elements 11, 39 are freely rotatable relative to each other, and a closed position in which the respective friction elements 11, 39 are rotatably connected to each other , In other words, by the inventive construction, the operability of the clutch KO (first clutch 6) is improved by the cooling oil supply is improved. This allows both a uniform distribution over the circumference and in the axial direction. In order to improve the distribution of cooling fluid / cooling oil for the separating clutch KO 6, a plate carrier (support component 14) made of sheet metal is used. This is connected to the rotor carrier 2, that the clutch torque between the plate carrier 14 and the rotor carrier 2 can be transmitted during operation. This is done for example via a welding screw or rivet. However, other connection techniques are also conceivable.
Fig. 2 zeigt wie die erfinderische Lösung umsetzbar ist. Der Rotorträger 2 ist über ei- nen axialen Anschlag 42 und einen Keilring 41 fest mit einem Lager 21 , welches sich auf einem Gehäuse 19 befindet, verbunden. Da der Rotorträger 2 keine Außenverzah- nung unterhalb der Trennkupplung K0 6 besitzt, kann er einfacher gestaltet und bei- spielsweise als Blechteil dargestellt werden. Der Innenlamellenträger (Tragbestandteil 14) ist oberhalb des Rotorträgers 2 angeordnet und wird über seinen Innendurchmes- ser zentriert. Der Lamellenträger 14 weist auf der linken Seite (zweite axiale Seite 24) einen geschlossenen kreisringförmigen Bund 28 auf, über den er am Rotorträger 2 an- geschweißt werden kann. Auf der rechten Seite (erste axiale Seite 23) befindet sich aus fertigungstechnischen Gründen kein Bund. An dieser Stelle ist der Träger 14 auf der Unterseite der Verzahnung 25 lediglich in axialer Richtung angeprägt, um ein Her- auslaufen des Kühlöls zu verhindern. Der Rotorträger 2 ist so gestaltet, dass der La- mellenträger 14 auf der rechten Seite 23 übersteht. Hierdurch kann sich radial nach außen strömendes Öl bei einer Drehbewegung des Rotorträgers 2 (und somit auch des Lamellenträgers 14) auf die einzelnen Zähne 26 verteilen (gleichmäßige Vertei- lung über den Umfang). Da der Innenlamellenträger 14 als Blechteil hergestellt ist, ist zudem die Möglichkeit gegeben, die einzelnen Zähne 26 mit axial voneinander beab- standeten Löchern (Durchgangslöcher 27) zu versehen. Somit erfolgt eine Verteilung des Öls in axialer Richtung. Die Vorteile dieser Ausführung sind insbesondere in der einfachen Gestaltung der Rotorträgers 2, in der verbesserten Verteilung des Kühlöls und in der einfachen Herstellung der Verzahnung 25 als Blechteil 14 zu sehen. Fig. 2 shows how the inventive solution can be implemented. The rotor carrier 2 is fixedly connected via an axial stop 42 and a wedge ring 41 to a bearing 21, which is located on a housing 19. Since the rotor carrier 2 has no external teeth below the separating coupling K0 6, it can be designed simpler and be represented, for example, as a sheet metal part. The inner disk carrier (supporting component 14) is arranged above the rotor carrier 2 and is centered over its inner diameter. The disk carrier 14 has on the left side (second axial side 24) a closed annular collar 28, via which it can be welded onto the rotor carrier 2. On the right side (first axial side 23) is located for manufacturing reasons no covenant. At this point, the carrier 14 is impressed on the underside of the toothing 25 only in the axial direction in order to prevent leakage of the cooling oil. The rotor carrier 2 is designed such that the disk carrier 14 protrudes on the right side 23. As a result, oil flowing radially outwards can be distributed to the individual teeth 26 during a rotational movement of the rotor carrier 2 (and thus also of the disk carrier 14) (uniform distribution over the circumference). Since the inner disk carrier 14 is produced as a sheet metal part, it is also possible to provide the individual teeth 26 with axially spaced-apart holes (through holes 27). Thus, a distribution of the oil takes place in the axial direction. The advantages of this embodiment can be seen in particular in the simple design of the rotor carrier 2, in the improved distribution of the cooling oil and in the simple production of the toothing 25 as a sheet metal part 14.
ABSICHTLICH LEER GELASSENE SEITE INTENTIONALLY EMPTY PAGE
Bezuqszeichenliste Kupplungsanordnung Reference list of coupling arrangement
Rotorträger  rotorarm
Rotor  rotor
elektrische Maschine  electric machine
Eingangswelle  input shaft
erste Kupplung first clutch
a erster Kupplungsbestandteil der ersten Kupplungb erster Kupplungsbestandteil der zweiten Kupplungc erster Kupplungsbestandteil der dritten Kupplunga zweiter Kupplungsbestandteil der ersten Kupplungb zweiter Kupplungsbestandteil der zweiten Kupplungc zweiter Kupplungsbestandteil der dritten Kupplung zweite Kupplunga first clutch component of the first clutch first clutch component of the second clutch first clutch component of the third clutch second clutch component of the first clutch second clutch component of the second clutch second clutch component of the third clutch second clutch
0 dritte Kupplung 0 third clutch
1 zweites Reibelement1 second friction element
2 Drehachse2 rotation axis
3 Innenseite des zweiten Reibelementes3 inside of the second friction element
4 Tragbestandteil4 supporting component
5 Fluidpassage5 fluid passage
6 Außenseite des Napfbereiches 6 outside of the bowl area
7 Napfbereich7 bowl area
8 Innenseite des Napfbereiches8 inside of the bowl area
9 Gehäuse9 housing
0 Antriebsstrang0 powertrain
1 Wälzlager1 rolling bearing
2 Verschweißung2 welding
3 erste axiale Seite3 first axial side
4 zweite axiale Seite4 second axial side
5 Zahnstruktur Zahn 5 tooth structure tooth
Durchgangsloch  Through Hole
Bund Federation
a erste Getriebeeingangswelleb zweite Getriebeeingangswelle Getriebe a first transmission input shaft b second transmission input shaft transmission
Scheibenbereich  disk area
Hülsenabschnitt  sleeve section
Lageraußenring  Bearing outer ring
Lagerinnenring  Bearing inner ring
Anprägung  Anprägung
Drehschwingungsdämpfer Innenraum Torsional vibration absorber interior
a erster Reibelementeträgerb zweiter Reibelementeträgerc dritter Reibelementeträger erstes Reibelement a first Reibelementeträgerb second Reibelementeträgerc third Reibelementeträger first friction element
Gegenverzahnung  counter teeth
Keilring  wedge ring
Absatz  paragraph
Stator  stator

Claims

Patentansprüche claims
1. Kupplungsanordnung (1 ) für einen Antriebsstrang (20) eines Kraftfahrzeuges, mit einem drehbar gelagerten Rotorträger (2), einer mit ihrem Rotor (3) dreh- fest an dem Rotorträger (2) angebrachten elektrischen Maschine (4), einer zwischen einer Eingangswelle (5) und dem Rotorträger (2) wirkenden ersten Kupplung (6), wobei ein erster Kupplungsbestandteil (7a) der ersten Kupplung (6) drehfest mit der Eingangswelle (5) verbunden ist und ein, wahlweise mit dem ersten Kupplungsbestandteil (7a) rotatorisch koppelbarer, zweiter Kupp- lungsbestandteil (8a) der ersten Kupplung drehfest (6) mit dem Rotorträger (2) verbunden ist, sowie mit einer zweiten Kupplung (9) und einer dritten Kupp- lung (10), welche zweite Kupplung (9) und dritte Kupplung (10) jeweils mit einem von zwei wahlweise miteinander rotatorisch koppelbaren Kupplungsbe- standteilen (7b, 7c) an dem Rotorträger (2) angebracht sind, dadurch gekenn- zeichnet, dass der zweite Kupplungsbestandteil (8a) der ersten Kupplung (6) einen aus einem Metallblech ausgeformten Tragbestandteil (14) aufweist, wo- bei mehrere Reibelemente (11 ), in Bezug auf eine Drehachse (12) des Rotor- trägers (2), zu ihrer radialen Innenseite (13) hin drehfest sowie relativ zuei- nander in einer axialen Richtung verschiebbar an dem Tragbestandteil (14) aufgenommen sind und der Tragbestandteil (14) so an dem Rotorträger (2) befestigt ist, dass zwischen dem Tragbestandteil (14) und dem Rotorträger (2) mehrere Fluidpassagen (15) ausgebildet sind. 1. clutch arrangement (1) for a drive train (20) of a motor vehicle, with a rotatably mounted rotor carrier (2), one with its rotor (3) rotatably fixed to the rotor carrier (2) mounted electric machine (4), one between a Input shaft (5) and the rotor carrier (2) acting first clutch (6), wherein a first coupling component (7a) of the first clutch (6) rotatably connected to the input shaft (5) and one, optionally with the first coupling component (7a) rotatably coupled, second clutch component (8a) of the first clutch rotatably (6) to the rotor carrier (2) is connected, and with a second clutch (9) and a third clutch (10), which second clutch (9) and third clutch (10) are each attached to the rotor carrier (2) with one of two clutch components (7b, 7c) which can optionally be coupled rotatably to each other, characterized in that the second clutch component (8a) of the first clutch (6) egg A plurality of friction elements (11), with respect to an axis of rotation (12) of the rotor carrier (2), rotationally fixed relative to its radial inner side (13) and relative to each other slidably received in an axial direction on the support member (14) and the support member (14) is fixed to the rotor carrier (2) such that a plurality of fluid passages (15) are formed between the support member (14) and the rotor carrier (2).
2. Kupplungsanordnung (1 ) nach Anspruch 1 , dadurch gekennzeichnet, dass der Tragbestandteil (14) auf einer radialen Außenseite (16) eines in axialer Rich- tung vorstehenden Napfbereiches (17) des Rotorträgers (2) angeordnet ist. 2. Coupling arrangement (1) according to claim 1, characterized in that the supporting component (14) on a radial outer side (16) of a protruding in the axial direction Napfbereiches (17) of the rotor carrier (2) is arranged.
3. Kupplungsanordnung (1 ) nach Anspruch 2, dadurch gekennzeichnet, dass zu einer radialen Innenseite (18) des Napfbereiches (17) ein den Rotorträger (2) relativ zu einem Gehäuse (19) verdrehbar lagerndes Wälzlager (21 ) aufge- nommen ist. 3. Coupling arrangement (1) according to claim 2, characterized in that to a radial inner side (18) of the Napfbereiches (17) a rotor carrier (2) relative to a housing (19) rotatably mounted rolling bearing (21) is taken.
4. Kupplungsanordnung (1 ) nach einem der Ansprüche 1 bis 3, dadurch gekenn- zeichnet, dass der Tragbestandteil (14) mittels einer Verschweißung (22), ei- ner Verschraubung und/oder einer Vernietung an dem Rotorträger (2) befes- tigt ist. 4. Coupling arrangement (1) according to one of claims 1 to 3, characterized in that the supporting component (14) by means of a weld (22), a screwed connection and / or a riveting on the rotor carrier (2) fastened is.
5. Kupplungsanordnung (1 ) nach einem der Ansprüche 1 bis 4, dadurch gekenn- zeichnet, dass der Tragbestandteil (14) den Rotorträger (2) zu einer ersten axialen Seite (23) hin überragt. 5. Coupling arrangement (1) according to one of claims 1 to 4, characterized in that the supporting component (14) projects beyond the rotor carrier (2) to a first axial side (23).
6. Kupplungsanordnung (1 ) nach einem der Ansprüche 1 bis 5, dadurch gekenn- zeichnet, dass der Tragbestandteil (14) eine die Reibelemente (11 ) aufneh- mende Zahnstruktur (25) ausformt und derart an dem Rotorträger (2) ange- bracht ist, dass im Betrieb der Kupplungsanordnung (1 ) ein Kühlfluid in axialer Richtung die durch die Zahnstruktur (25) mit ausgebildeten Fluidpassagen (15) durchströmt. 6. Coupling arrangement (1) according to one of claims 1 to 5, characterized in that the supporting component (14) forms a friction elements (11) receiving tooth structure (25) and so on the rotor carrier (2) attached is that in the operation of the clutch assembly (1) flows through a cooling fluid in the axial direction through the tooth structure (25) formed with fluid passages (15).
7. Kupplungsanordnung (1 ) nach Anspruch 6, dadurch gekennzeichnet, dass mehrere in radialer Richtung nach außen abstehende Zähne (26) der Zahn- struktur (25) mit Durchgangslöchern (27), die jeweils mit einer Fluidpassage (15) verbunden sind, versehen sind. 7. Coupling arrangement (1) according to claim 6, characterized in that a plurality of radially outwardly projecting teeth (26) of the tooth structure (25) with through holes (27) which are each connected to a fluid passage (15) provided are.
8. Kupplungsanordnung (1 ) nach einem der Ansprüche 1 bis 7, dadurch gekenn- zeichnet, dass die Fluidpassagen (15) zu der ersten axialen Seite (23) des Tragbestandteils (14) hin begrenzt sind. 8. Coupling arrangement (1) according to one of claims 1 to 7, characterized in that the fluid passages (15) to the first axial side (23) of the supporting component (14) are limited towards.
9. Kupplungsanordnung (1 ) nach einem der Ansprüche 1 bis 8, dadurch gekenn- zeichnet, dass der Tragbestandteil (14) auf einer, der ersten axialen Seite (23) abgewandten, zweiten axialen Seite (24) mit einem axial an dem Rotorträger (2) abgestützten Bund (28) ausgestattet ist. 9. Coupling arrangement (1) according to one of claims 1 to 8, characterized in that the supporting component (14) faces away from the first axial side (23), second axial side (24) with an axially on the rotor carrier ( 2) supported collar (28) is equipped.
10. Antriebsstrang (20) für ein Kraftfahrzeug, mit einer Kupplungsanordnung (1 ) nach zumindest einem der Ansprüche 1 bis 9 und einem Getriebe (30), wobei die zweite Kupplung (9) zwischen dem Rotorträger (2) und einer ersten Ge- triebeeingangswelle (29a) des Getriebes (30) und die dritte Kupplung (10) zwi- schen dem Rotorträger (2) und einer zweiten Getriebeeingangswelle (29b) des Getriebes (30) wirkend eingesetzt sind. 10. Drive train (20) for a motor vehicle, with a clutch arrangement (1) according to at least one of claims 1 to 9 and a transmission (30), wherein the second clutch (9) between the rotor carrier (2) and a first Transmission input shaft (29a) of the transmission (30) and the third clutch (10) between the rotor carrier (2) and a second transmission input shaft (29b) of the transmission (30) are inserted acting.
PCT/DE2019/100084 2018-04-26 2019-01-28 Clutch arrangement with support component formed as a sheet-metal part and connected to a rotor carrier; and drivetrain WO2019206358A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112019002110.9T DE112019002110A5 (en) 2018-04-26 2019-01-28 Coupling arrangement with a supporting component designed as a sheet metal part and connected to a rotor arm; as well as drive train

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018110038.8A DE102018110038A1 (en) 2018-04-26 2018-04-26 Coupling arrangement formed as a sheet metal part and connected to a rotor carrier supporting component; as well as powertrain
DE102018110038.8 2018-04-26

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WO2019206358A1 true WO2019206358A1 (en) 2019-10-31

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WO (1) WO2019206358A1 (en)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
FR3117954A1 (en) * 2020-12-17 2022-06-24 Valeo Embrayages TORQUE CUT CLUTCH

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3105114B1 (en) * 2019-12-19 2022-12-16 Valeo Embrayages Hybrid module intended to be placed in a traction chain of a motor vehicle

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US20060113157A1 (en) * 2004-12-01 2006-06-01 Kiyokazu Ichikawa Hub for wet multi-plate clutch
DE102007008946A1 (en) 2006-02-27 2008-02-14 Borgwarner Inc., Auburn Hills Twin-clutch system for hybrid automobile with two sets of lamellar packages located between inner and outer lamellar supports
DE102009059944A1 (en) 2009-01-19 2010-07-22 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Hybrid module for a drive train of a vehicle
US20130153355A1 (en) * 2011-12-16 2013-06-20 Eaton Corporation Hydraulic clutch assembly
EP2995832A1 (en) * 2014-09-08 2016-03-16 Valeo Embrayages Clutch for dual wet clutch
DE102015212723A1 (en) * 2015-07-08 2017-01-12 Volkswagen Aktiengesellschaft External disk carrier for a clutch of a motor vehicle, in particular for a double clutch, in particular for a hybrid drive module
WO2018064998A1 (en) * 2016-10-06 2018-04-12 Schaeffler Technologies AG & Co. KG Hybrid module

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060113157A1 (en) * 2004-12-01 2006-06-01 Kiyokazu Ichikawa Hub for wet multi-plate clutch
DE102007008946A1 (en) 2006-02-27 2008-02-14 Borgwarner Inc., Auburn Hills Twin-clutch system for hybrid automobile with two sets of lamellar packages located between inner and outer lamellar supports
DE102009059944A1 (en) 2009-01-19 2010-07-22 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Hybrid module for a drive train of a vehicle
US20130153355A1 (en) * 2011-12-16 2013-06-20 Eaton Corporation Hydraulic clutch assembly
EP2995832A1 (en) * 2014-09-08 2016-03-16 Valeo Embrayages Clutch for dual wet clutch
DE102015212723A1 (en) * 2015-07-08 2017-01-12 Volkswagen Aktiengesellschaft External disk carrier for a clutch of a motor vehicle, in particular for a double clutch, in particular for a hybrid drive module
WO2018064998A1 (en) * 2016-10-06 2018-04-12 Schaeffler Technologies AG & Co. KG Hybrid module

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3117954A1 (en) * 2020-12-17 2022-06-24 Valeo Embrayages TORQUE CUT CLUTCH

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DE112019002110A5 (en) 2021-01-07
DE102018110038A1 (en) 2019-10-31

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