WO2019197103A1 - Module hybride pour un véhicule automobile - Google Patents

Module hybride pour un véhicule automobile Download PDF

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Publication number
WO2019197103A1
WO2019197103A1 PCT/EP2019/056097 EP2019056097W WO2019197103A1 WO 2019197103 A1 WO2019197103 A1 WO 2019197103A1 EP 2019056097 W EP2019056097 W EP 2019056097W WO 2019197103 A1 WO2019197103 A1 WO 2019197103A1
Authority
WO
WIPO (PCT)
Prior art keywords
drive module
hybrid drive
hub
rotor
ball bearing
Prior art date
Application number
PCT/EP2019/056097
Other languages
German (de)
English (en)
Inventor
Angelika Ebert
Monika Rössner
Wolfgang Grosspietsch
Wolfgang Kundermann
Original Assignee
Zf Friedrichshafen Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zf Friedrichshafen Ag filed Critical Zf Friedrichshafen Ag
Publication of WO2019197103A1 publication Critical patent/WO2019197103A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/38—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
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
    • B60W10/023—Fluid 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
    • F16D25/10—Clutch systems with a plurality of fluid-actuated clutches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—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
    • F16D2021/0692—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 with two clutches arranged axially without radial overlap
    • 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
    • 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 hybrid drive module for a motor vehicle.
  • the hybrid drive module may be an integral part of a motor vehicle transmission, or be designed as a separate unit with at least one interface to a motor vehicle transmission.
  • the invention further relates to a drive train for a motor vehicle with such a hybrid drive module.
  • the patent application US 2013/0086798 A1 describes such a hybrid drive module which has a housing, an electric machine and a coupling.
  • a stator of the electric machine is arranged rotationally fixed relative to the housing.
  • a rotor of the electric machine is rotatably mounted.
  • a first half of the clutch is connected to a hub and a second half of the clutch is connected to the rotor.
  • By closing the clutch a torque transmitting connection is made between the two coupling halves.
  • the rotor is connected to a rotor hub, which is rotatably mounted on the hub via a radial needle bearing.
  • the hub is rotatably supported by a ball bearing on a bearing plate, which is connected to the housing.
  • the axial bearing of the rotor via two axial needle bearings, which support the rotor between the hub and a pump housing.
  • the hub is supported in the axial direction via the ball bearing and via one of the axial needle bearings on the rotor.
  • the aforementioned structure is complex and leads due to the large number of needle bearings used to increased drag losses in the drive train. It is therefore an object of the invention to provide a hybrid drive module, which is characterized by a simpler and more energy-efficient design
  • the bearing structure known in the prior art is modified such that the rotor hub is mounted on the hub via a ball bearing. Because Bearings have lower coefficients of friction than roller bearings with needle-shaped rolling elements, which reduces the friction losses of the hybrid drive module. In addition, a ball bearing for transmitting forces in both the radial direction and in the axial direction is suitable, whereby the structure of the hybrid drive module can be simplified.
  • a piston is provided for the hydraulic actuation of the clutch.
  • the piston is biased by at least one spring, so that the piston is held in inactive hydraulic actuation by the spring in a defined position.
  • the spring may be formed, for example, as a helical spring or a plate spring. If the piston has a disk-shaped or cup-shaped form, then a plurality of coil springs can be provided, which are distributed along the circumference of the piston.
  • the force of the spring or springs is preferably supported by the ball bearing on the hub. In other words, the ball bearing is in the transmission path of the axially acting support force between the spring and the hub.
  • the hydraulic actuation of the clutch to a pressure compensation chamber.
  • the pressure compensation chamber serves to compensate for the pressure forces in the actuating pressure chamber of the coupling, which are caused by rotation of the fluid in the actuating pressure chamber.
  • the pressure compensation chamber is filled with fluid during operation of the hybrid drive module.
  • the piston separates the pressure compensation chamber from the actuating pressure chamber so that the pressure forces caused by the centrifugal force of the fluid act on both sides of the piston.
  • a baffle plate is provided, which limits the pressure equalization chamber on the side facing away from the piston at least in sections.
  • the spring, or the springs are based on the baffle plate.
  • the baffle plate itself is supported on the ball bearing.
  • the baffle plate is together with the ball bearing in the transmission path of the axially acting support force between the spring or springs and the hub.
  • the baffle plate is supported directly on the ball bearing.
  • the baffle plate can be clamped between the ball bearing and a shoulder of the rotor hub. As a result, no fastening means for fixing the baffle plate are required, whereby the structure of the hybrid drive module is further simplified.
  • the baffle plate is supported on an inner ring of the ball bearing.
  • the inner ring is preferably associated with the rotor hub, while an outer ring of the ball bearing is associated with the hub.
  • Inner ring and outer ring are axially secured in a suitable manner to the rotor hub, or the hub, for example by means of snap rings or corresponding paragraphs.
  • the radial and axial support of the hub is preferably via a further ball bearing on a bearing plate, which is fixedly connected to the housing.
  • a further ball bearing on a bearing plate which is fixedly connected to the housing.
  • the rotor or the rotor hub is preferably non-rotatably connected to a housing of a torque converter, so that the rotor and the housing of the torque converter can rotate about a common axis.
  • the torque converter may be part of the hybrid drive module.
  • the torque converter housing is preferably supported via an additional bearing on an additional bearing plate.
  • the additional bearing can be designed as a radial needle bearing to avoid an axial overdetermination of storage.
  • the hybrid drive module is an integral part of a motor vehicle transmission.
  • the one- or multi-part housing of the hybrid drive module houses, for example, planetary gear sets and switching elements by means of which a plurality of gears between a drive shaft and an output shaft of the transmission are switchable.
  • the transmission may also include a friction gear with sliding wheels, by means of which the transmission ratio between the drive shaft and output shaft is continuously variable.
  • the transmission can also be designed as a single or double clutch transmission, which uses switchable spur gear pairs for gear formation.
  • the hybrid drive module may be configured as an independent unit with an interface to a motor vehicle transmission.
  • the hybrid drive module is detachable from the transmission.
  • the hybrid drive module may be part of a drive train of a motor vehicle.
  • the electric machine of the hybrid drive module can be provided for driving the motor vehicle and / or for starting an internal combustion engine of the drive train.
  • FIG. 1 shows a sectional view of an embodiment of a hybrid drive module according to the invention
  • Fig. 2 and Fig. 3 each a motor vehicle drive train.
  • the hybrid drive module 1 shows a sectional view of an embodiment of the hybrid drive module 1 for a motor vehicle drive train.
  • the hybrid drive module 1 has a housing GG, an electric machine with a rotationally fixed stator S, a rotatable rotor R and a clutch KO, which is designed as a hydraulically actuated multi-plate clutch.
  • An inner disk carrier of the clutch KO is part of a first half KOan the clutch KO, and is rotatably connected to a hub N.
  • An outer plate carrier of the coupling KO is part of a second half KOab of the coupling KO.
  • the rotor R is with the outer disc carrier and with a Rotor hub RN rotatably connected.
  • the rotor hub RN is connected to a housing TCG of a torque converter TC, so that the rotor hub RN and the housing TCG rotate about a common axis A.
  • the rotor hub RN serves to rotatably support the rotor R at the hub N, wherein a ball bearing L1 between the rotor hub RN and the hub N is arranged.
  • the hub N is rotatably supported via a further ball bearing L2 on a bearing plate LS, wherein the bearing plate LS is firmly connected to the housing GG.
  • the end shield LS separates a wet space of the hybrid drive module 1 of a drying room of the same.
  • the electric machine, the coupling KO and the two ball bearings L1, L2 are arranged in the wet room.
  • a part of the hub N and a torsional vibration damper are arranged in the drying room.
  • a seal between wet space and dry space is made possible by a radial shaft seal, which seals a radial gap between bearing plate LS and hub N.
  • the housing TCG connected to the rotor hub RN is rotatably supported by an additional bearing L3 on an additional bearing plate LS2.
  • the additional bearing plate LS2 is firmly connected to the housing GG.
  • the two ball bearings L1, L2 are exemplified as a single row deep groove ball bearings, and are thus adapted to support radially and axially acting forces.
  • the ball bearing L1 has an inner ring and an outer ring, wherein a plurality of spherical rolling elements between the inner ring and outer ring are arranged.
  • the inner ring rests on a circumferential surface of the rotor hub RN, while the outer ring rests against an inner surface of the hub N.
  • the further ball bearing L2 also has an inner ring and an outer ring, wherein a plurality of spherical rolling elements between the inner ring and outer ring are arranged.
  • the inner ring of the further ball bearing L2 is located on a circumferential surface of the hub N, while the outer ring of the further ball bearing L2 rests against an inner surface of the end shield LS.
  • an actuating pressure chamber KOB For hydraulic actuation of the clutch KO an actuating pressure chamber KOB is provided. If the actuating pressure chamber KOB by supplying hydraulic fluid pressurized, a piston KOK is shifted in the image direction to the left, whereby the clutch KO is actuated in the closing direction.
  • the piston KOK is biased by a plurality of circumferentially distributed springs F. If the pressure in the actuating pressure chamber KOB is not high enough, then the piston KOK is displaced to the right in the image direction by the force of the springs F, as a result of which the clutch KO assumes the open position.
  • the piston KOK separates the actuating pressure chamber KOB from a pressure compensation chamber KOA.
  • the pressure compensation chamber KOA is also filled with hydraulic fluid during operation of the hybrid drive module 1. In this way, a pressure force produced by rotation of the fluid in the actuating pressure chamber KOB does not lead to unintentional actuation of the clutch KO.
  • the pressure compensation chamber KOA is limited on the opposite side of the piston KOK at least in sections by a baffle plate KOS.
  • the baffle plate KOS is clamped between a shoulder on the rotor hub RN and the inner ring of the ball bearing L1.
  • the springs F are based on the baffle plate KOS. The force acting in the axial direction of the springs F is therefore supported via the baffle plate KOS directly on the ball bearing L1 to the hub N, and on the other ball bearing L2 on the bearing plate LS.
  • the baffle plate KOS at least one opening is provided, through which the hydraulic fluid can flow out of the pressure compensation chamber KOA. This opening is arranged in the region of the ball bearing L1, so that the effective cross-sectional area of the pressure compensation chamber KOA corresponds approximately to the effective cross-sectional area of the actuating pressure chamber KOB.
  • Fig. 2 shows a drive train of a motor vehicle.
  • the drive train has an internal combustion engine VM, the hybrid drive module 1 and a transmission AT.
  • Hybrid drive module 1 and transmission AT are separate units with at least one interface, via which the hybrid drive module 1 and the transmission AT are connected to each other.
  • a hydraulic supply of the hybrid drive module 1 preferably takes place via a hydraulic system of the transmission AT.
  • the transmission AT is connected to a differential gear AG, for example via a cardan shaft.
  • the power applied to an output shaft of the transmission AT power is distributed to drive wheels DW of the motor vehicle.
  • FIG. 3 shows a drive train of a motor vehicle, which corresponds essentially to the drive train shown in FIG. 2.
  • the hybrid drive module 1 and the transmission AT now form a common unit. In other words, the hybrid drive module 1 is an integral part of the transmission AT.
  • the drive trains shown in FIG. 2 and FIG. 3 are merely exemplary. Instead of the illustrated construction with the drive train aligned longitudinally to the direction of travel of the motor vehicle, use in a drive train oriented transversely to the direction of travel is also conceivable.
  • the differential gear AG may be integrated in the transmission G.
  • the powertrain with the hybrid drive module 1 is also suitable for four-wheel application.

Abstract

L'invention concerne un module hybride (1) pour un véhicule automobile, ce module hybride (1) comprenant un boîtier (GG), une machine électrique dotée d'un rotor (R) rotatif et d'un stator (S) solidaire en rotation vis-à-vis du boîtier (GG), ainsi qu'un embrayage (K0), une première moitié (K0an) de l'embrayage (K0) étant reliée à un moyeu (N) de manière solidaire en rotation ou de manière élastique en rotation, et une seconde moitié (K0ab) de l'embrayage (K0) étant reliée au rotor (R) de manière solidaire en rotation ou de manière élastique en rotation. Le rotor (R) est relié à un moyeu de rotor (RN), ce moyeu de rotor (RN) étant monté au moyen d'un roulement à billes (L1) dans la direction radiale et la direction axiale sur le moyeu (N). L'invention concerne en outre un groupe motopropulseur pour un véhicule à moteur doté de ce module hybride (1).
PCT/EP2019/056097 2018-04-11 2019-03-12 Module hybride pour un véhicule automobile WO2019197103A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018205467.3 2018-04-11
DE102018205467.3A DE102018205467A1 (de) 2018-04-11 2018-04-11 Hybridantriebsmodul für ein Kraftfahrzeug

Publications (1)

Publication Number Publication Date
WO2019197103A1 true WO2019197103A1 (fr) 2019-10-17

Family

ID=65802061

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/056097 WO2019197103A1 (fr) 2018-04-11 2019-03-12 Module hybride pour un véhicule automobile

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JP2006298272A (ja) * 2005-04-22 2006-11-02 Exedy Corp トルク伝達装置
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