WO2007110204A1 - Chaîne cinématique et procédé pour sa fabrication et son montage - Google Patents

Chaîne cinématique et procédé pour sa fabrication et son montage Download PDF

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Publication number
WO2007110204A1
WO2007110204A1 PCT/EP2007/002589 EP2007002589W WO2007110204A1 WO 2007110204 A1 WO2007110204 A1 WO 2007110204A1 EP 2007002589 W EP2007002589 W EP 2007002589W WO 2007110204 A1 WO2007110204 A1 WO 2007110204A1
Authority
WO
WIPO (PCT)
Prior art keywords
train according
drive train
drive
planetary gear
gear set
Prior art date
Application number
PCT/EP2007/002589
Other languages
German (de)
English (en)
Inventor
Daniel Knoblauch
Ulrich Knoedel
Alexander Kreim
Original Assignee
Getrag Innovations Gmbh
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 Getrag Innovations Gmbh filed Critical Getrag Innovations Gmbh
Publication of WO2007110204A1 publication Critical patent/WO2007110204A1/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
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
    • 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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/043—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
    • B60K17/046—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel with planetary gearing having orbital motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
    • B60K17/356—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having fluid or electric motor, for driving one or more wheels
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K16/00—Machines with more than one rotor or stator
    • H02K16/02—Machines with one stator and two or more rotors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
    • 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
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K2007/0046—Disposition of motor in, or adjacent to, traction wheel the motor moving together with the vehicle body, i.e. moving independently from the wheel axle
    • 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
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K2007/0092—Disposition of motor in, or adjacent to, traction wheel the motor axle being coaxial to the wheel axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/40—Electrical machine applications
    • B60L2220/42—Electrical machine applications with use of more than one motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/40—Electrical machine applications
    • B60L2220/44—Wheel Hub motors, i.e. integrated in the wheel hub
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/40—Electrical machine applications
    • B60L2220/46—Wheel motors, i.e. motor connected to only one wheel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/42—Drive Train control parameters related to electric machines
    • B60L2240/421—Speed
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/108—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction clutches
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

Definitions

  • the present invention relates to a drive train for a motor vehicle, having a first driven axle, which can be driven by means of a first drive motor, and with a second driven axle, wherein the second driven axle comprises two drive units, which can be controlled independently of one another, for driving a left or a right wheel having.
  • the present invention relates to a drive train for a motor vehicle, with a first driven axle and with a second driven axle, wherein at least one of the driven axles has a driven axle assembly for driving a left and a right wheel.
  • EHA electric rear axle
  • the front axle is driven by an internal combustion engine.
  • a conventional vehicle with a driven axle
  • a four-wheel drive vehicle is to be converted to a hybrid vehicle.
  • the four-wheel functionality is hereby created or maintained, only one is done as described above division of the drive train.
  • an electric drive unit for a vehicle drive which is designed as a tandem motor.
  • the drive unit has two with their housings frontally axially aligned with each other flanged electrical machines with an inner stator and an outer rotor.
  • the rotors are connected opposite each other with respective central output shafts.
  • Each of the output shafts is connected to the sun gear of a planetary gear set, the ring gear is connected to the respective associated drive shaft for driving the left or right wheel.
  • document WO 03/064198 discloses a similar tandem motor in which two electric motors are arranged in a common housing.
  • the output shafts of the electric motors are each connected to a sun gear of a planetary gear set.
  • a drive shaft for driving a respective wheel is connected to the planet carrier of the planetary gear set.
  • a two-stage variant of a planetary gear set is disclosed, in which the planetary gears each have two toothed areas with different numbers of teeth, one of which is in engagement with the sun gear and of which the other is in engagement with the fixed ring gear.
  • the document DE 196 13 291 Al discloses a drive device for ancillary components of internal combustion engines.
  • An output shaft of the internal combustion engine is connected to a sun gear of a planetary gear set.
  • the planet carrier of the planetary gear set are connected to a pulley.
  • the ring gear is by means of an electromagnetic clutch either freewheeling or fixed to a housing.
  • the object of the present invention is to provide an improved powertrain.
  • the drive units each have an electric machine.
  • the electrical machines each have an inner stator and an outer rotor.
  • the rotor and the stator in the axial direction have a larger diameter portion and a smaller diameter portion. This allows an ideal adaptation to existing model series (eg regular with central center differential).
  • the section with a larger diameter is arranged towards the center of the vehicle.
  • stator and rotor have a uniform diameter in the axial direction.
  • the drive units each have a gearbox for setting up at least two gear ratios.
  • the clutch assembly comprises a shift sleeve which is adapted to be offset in the axial direction, so as to establish one or the other translation stage.
  • the shift sleeve preferably surrounds the wheel set arrangement used for setting up the gear ratios, in particular in the form of a planetary gear set.
  • the transmission has at least one planetary gearset for establishing the at least two gear ratios, and in particular exactly one planetary gearset.
  • the shift sleeve is preferably arranged around the ring gear of the planetary gear.
  • a planet carrier of the planetary gear set is connected to a drive shaft, wherein the planet carrier forms a housing of a constant velocity joint of the drive shaft.
  • the housing of the constant velocity joint may be formed integrally with the planet carrier, or as a separate component.
  • a ring gear of the planetary gear set is connected to a hollow shaft or a hollow shaft section, within which an output shaft of the electric machine is rotatably mounted.
  • the hollow shaft can be used to connect an output shaft of a drive motor through the hollow shaft to a sun gear of a planetary gear set.
  • the hollow shaft or the hollow shaft portion can be used to contribute to the storage of the planetary gear set with respect to a housing. It is of particular advantage if the hollow shaft is rotatably mounted on the stator at its outer circumference.
  • the axle assembly further comprises a differential, for example.
  • a differential In the form of a conventional bevel gear or in the form of a conventional Planetenraddifferenzials (or with two separate clutches).
  • An input member of the differential is then preferably connected to the output shaft of the electric machine.
  • the output members of the differential are then preferably connected to the left and right drive shaft.
  • a planet carrier of the planetary gear set is connected to an input member of the differential.
  • a planet carrier of the planetary gear set for establishing a first gear ratio by means of a first clutch with a ring gear of the planetary gear set is connectable.
  • a ring gear of the planetary gear set for establishing a second gear ratio by means of a second clutch with a housing of the drive unit is connectable.
  • the first and the second clutch are preferably connected to each other in the manner of a clutch pack or integrated with each other, so that they can be actuated by means of a common switching element (for example, a shift sleeve).
  • a common switching element for example, a shift sleeve
  • the frame has a housing for receiving a planetary gear set for ratio change and possibly a differential.
  • the housing may be part of the frame or fixed to the separately formed frame.
  • the housing may be filled with oil for lubrication of the planetary gear set.
  • the rotor is preferably designed as an outer rotor and is sealed by at least one shaft seal relative to the frame or the housing. In this way, the electric machine can be completely accommodated in the rotor.
  • the exposed rotor or the exposed rotors are not covered by a separate housing and usually freely accessible on the underside of the vehicle, similar to an exposed cardan shaft.
  • the shaft seal ensures that the electrical machine is sealed from the environment.
  • the frame is oriented substantially horizontally.
  • stator is fluid-cooled by means of a fluid supply device.
  • the stator can be efficiently cooled so that it may be sufficient to air-cool the rotor, preferably solely by the airstream.
  • the rotor or the rotors are usually free on the underside of the vehicle chassis, so that the air cooling by means of the airstream is relatively easily achievable.
  • the present invention provides a concept that can meet the required requirements.
  • the concept is as follows, wherein according to the invention at least one of the following features is realized:
  • the electric drive consists of two (mechanically) separate systems (drives).
  • the motors are designed for maximum torque and optimum utilization of the installation space as synchronous machines in external rotor design.
  • the motors have a stepped stator and rotor design for maximum torque and optimal utilization of the installation space.
  • the stator is water cooled.
  • the rotor is air-cooled, as it also represents the motor housing and thus rotates freely in the ambient air or in the airstream.
  • the sun gear of the planetary gear is driving (motor), the planet carrier represents the output.
  • the planet carrier are at the same time the housing of the transmission-side constant velocity joints of the drive shafts.
  • Figure 1 is a schematic representation of a motor vehicle with a drive train according to the invention.
  • FIG. 2 shows a schematic representation of a drive unit of a drive train according to the invention with two drive units
  • FIG. 3 shows a schematic longitudinal sectional view through a drive unit of a drive train according to the invention
  • Fig. 4 is an external perspective view of an axle assembly with two
  • Drive units which are connected to each other via a frame, wherein the drive units may each be formed in accordance with FIG. 3;
  • Fig. 5 is a schematic partial sectional view in the longitudinal direction of a drive train, in which an electric machine and a mechanical differential are fixed to a frame;
  • FIG. 6 shows a schematic side view in the direction of the view "A" of FIG. 5.
  • a motor vehicle for example.
  • the motor vehicle 10 has a drive train 12 with a first driven axle 14 (eg front axle) and a second driven axle 16 (eg rear axle).
  • the drive train 12 has an internal combustion engine 18 and a transmission 20.
  • the transmission 20 may be, for example, a multi-step transmission (automatic torque converter, ASG or dual-clutch transmission) or a continuously variable transmission.
  • the output of the transmission 20 is connected to a differential 22, which may be a mechanical differential (bevel gear or planetary gear differential).
  • the differential 22 distributes the driving force to the two driven wheels VL, VR of the first driven axle 14.
  • a chassis or subframe of the motor vehicle 10 is indicated schematically in FIG.
  • an axle assembly 30 is provided in the area of the second driven axle 16.
  • the axle assembly 30 is not mechanically connected to the first driven axle 14, i. there is no propshaft or similar.
  • an electrical connection e.g., with an electronic system on the front axle is conceivable, even preferred.
  • the axle assembly 30 has a carrier 32 in the form of, for example, a frame.
  • the carrier 32 is fixed to attachment points 33 on the chassis 24.
  • the axle assembly 30 has a first drive unit 34 and a second drive unit 36.
  • the first drive unit 34 drives a left drive shaft 38, which is connected to the wheel HL of the second driven axle 16.
  • the second drive unit 36 drives a right drive shaft 42, which is connected to the other wheel HR of the second driven axle 16.
  • a vehicle center axis is indicated schematically in FIG. 1 by 46.
  • a control device 48 serves to actuate the first drive unit 34 and the second drive unit 36 substantially independently of one another. Consequently, an electronic differential can be realized by means of the control device 48.
  • An active influencing of the driving dynamics can also be made possible by, for example, allocating more drive force or torque to a curve-outside wheel than to a curve-inside wheel.
  • FIG. 2 shows by way of example one of the two essentially identical drive units 34, 36.
  • the drive unit 34 has a housing 50 which, for example, can be connected to the carrier or frame 32.
  • the drive unit 34 has an electric machine 52.
  • An output of the electric machine 52 is connected via a gear 54, in the illustrated case in the form of a planetary gear set 56, with the associated drive shaft 38.
  • the electric machine 52 has a stator 60, which is formed as an internal stator and is fixed to the housing 50 or a part connected thereto.
  • the stator 60 has a hollow portion 62.
  • the electric machine 52 further includes an external rotor rotor 64.
  • the external rotor rotor 64 is connected on the side facing away from the gear 54 with a cover 66, which in turn is connected to a central output shaft 68 of the electric machine 52.
  • the output shaft 68 passes through the hollow portion 62 of the stator 60 therethrough.
  • the output shaft 68 is connected to the sun gear 70 of the planetary gear set 56.
  • a planet carrier 72 of the planetary gear set 56 is connected to the drive shaft 38.
  • a ring gear 74 of the planetary gear set 56 is connected to a hollow shaft 76, which projects into the hollow portion 62 and serves to rotatably support the ring gear 74 with respect to the housing 50.
  • the rotor 64 is further sealed from the housing 50 by means of a seal, not specified.
  • the rotor 64 virtually forms the outer casing or the outer casing of the electric machine 52 and is preferably air-cooled, as shown by a schematically indicated air flow 94.
  • the rotor 64 may, for example, be exposed on the underside of the chassis 24, so that cooling by means of the airstream of the motor vehicle is possible.
  • FIG. 3 shows an example implementation of the drive unit 34 shown in FIG. 2.
  • stator 60 has a stator winding 80 and is fixed to a stator support 82.
  • the stator support 82 is formed hollow inside and thus forms the hollow portion 62nd
  • the rotor 64 has a stepped cylindrical rotor housing, on whose inner circumference a first permanent magnet assembly 86 and a second permanent magnet assembly 88 are fixed (at different diameter levels). In the region of the largest diameter, ie adjacent to the vehicle center 46, the rotor housing is closed by a cover 66.
  • the lid 66 is rotatably mounted on the stator support 82 and is connected to the output shaft 68, which passes through the hollow portion 62 therethrough.
  • a constant velocity joint portion of the planetary carrier 72 is shown schematically at 90.
  • a hollow shaft portion 92 (corresponding to the hollow shaft portion 76) protrudes into the hollow portion 62 from the side of the transmission 54.
  • the hollow shaft section 92 is mounted on the inner circumference of the stator support 82.
  • the output shaft 68 is mounted, which is connected to the sun gear 70.
  • Shown at 96 is also a fluid supply device configured to direct fluid into the stator 60 via the stator support 82 to cool it during operation.
  • the fluid cooling realized in this way is indicated schematically at 98 in FIG.
  • the transmission 54 is formed in the drive unit 34 of FIG. 3 as a two-stage switchable 2-speed transmission.
  • the gear 54 has a sliding sleeve 104, which is arranged concentrically around the ring gear 74 of the planetary gear 56 around.
  • the sliding sleeve 104 is displaceable in the axial direction and serves to close either a first clutch 100 or a second clutch 102.
  • a neutral position can be realized in between, so that the drive shaft 38 can be decoupled from the electric machine 52.
  • the first clutch 100 serves to connect the ring gear 74 to the housing 50. In this case, a first gear stage between the output shaft 68 and the drive shaft 38 is established.
  • the neutral position is designated N in FIG. 3.
  • the second clutch 102 serves to connect the ring gear 74 with the planet carrier 72. As a result, a second gear stage of the planetary gear set 56 is set up.
  • the sliding sleeve 104 can be actuated by means of an unspecified actuator.
  • a seal 108 is shown, which seals the rotor, more precisely the rotor housing, relative to the housing 50.
  • FIG. 4 shows the first drive unit 34 shown in FIG. 3 and the second drive unit 36 constructed identically (symmetrically) in an arrangement as an axle assembly 30 on a common frame 32.
  • the frame can be attached to the chassis 24 via a plurality of attachment points 110.
  • the frame has in each case housing sections 50, which serve to receive the respective gear 54 or constant velocity joint sections 90.
  • the rotor housings of the electric machines 52 are symmetrical about the center axis 46, such that their larger diameter portions are adjacent to each other.
  • Articulated cuffs 106 are disposed at the axially outer ends of the housing sections 50 and surround the drive shafts 38, 42.
  • FIGS. 5 and 6 show an alternative embodiment of an axle assembly 30 'which may be used in place of the axle assembly 30 of FIGS. 1-4 in a powertrain 12 of a motor vehicle.
  • the axle assembly 30 'differs from the axle assembly 30 in that only one electrical machine 52' is attached to a frame 32 '. Furthermore, a differential (a planetary differential, a bevel gear differential or a differential by means of two independently switchable couplings) is fixed to the frame 32 *.
  • the differential 122 is on the electric machine 52 'opposite overlying side of the transmission 54 'is arranged.
  • An input member of the differential 122 is connected to the planet carrier 72 '.
  • the transmission 54 ' is constructed substantially identically to the transmission 54 of the axle assembly 30.
  • a shift actuator for actuating the sliding sleeve 104 1 (which, for example, is also suitable for actuating the sliding sleeve 104 of FIG. 3) is shown in FIG. 5 shown at 120.
  • the rotor 64 ' is exposed and can be air-cooled by means of the airstream.
  • a drive half is shown in FIGS. 2 and 3.
  • the vehicle center is shown schematically, subframe and second drive half are not or not completely visible in Fig. 3.
  • the planetary gear is not fully illustrated; it is missing in the representation e.g. a Heidelbergaktuatorik for automated actuation of the shift sleeve.
  • Fig. 4 two drive units are mounted in mirror image on a frame which can be fixed by means of attachment points on a chassis.
  • the rotor cover 66 are directly opposite each other.
  • FIGS. 5 and 6 show a modified embodiment of an axle assembly.
  • a "housing frame” is a housing that has a closed area for receiving the gearbox (planetary gear set and differential), and an open area that connects the engine with a gearbox "Frame” and this is exposed exposes.
  • This construction is characterized by the fact that it optimally utilizes the installation space in the vertical direction of the vehicle for the engine or for generating power and torque, and that the housing structure predominantly requires installation space in the vehicle longitudinal direction.
  • EHA drive train according to the invention
  • the EHA does not increase the unsprung (tire-sprung) mass (as is the case, for example, with wheel hub motors) and thus does not adversely affect driveability.
  • An ESP functionality can be represented by single-wheel drive (electric differential) on the drive side (especially in the first embodiment).
  • Control device 88 Permanent magnet arrangement of the (electronic differential) rotor
  • Motor vehicle 50 Housing 90 constant velocity joint section of 72
  • Gearbox 60 Stator from 52 100 Coupling 74/50 (schematic)
  • Chassis 64 Rotor 104 Sliding sleeve

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

Abstract

L'invention concerne une chaîne cinématique (12) pour un véhicule automobile (10), qui présente un premier essieu entraîné (14) et un deuxième essieu entraîné (16), au moins l'un des essieux entraînés présentant deux unités d'entraînement (34, 36) qui peuvent être commandées indépendamment l'une de l'autre pour l'entraînement respectivement d'une roue gauche et d'une roue droite. Les unités d'entraînement (34, 36) sont reliées l'une à l'autre par un bâti (32) et forment avec ce dernier un module d'essieu (30) qui peut être monté en remplacement d'un module d'essieu habituel.
PCT/EP2007/002589 2006-03-24 2007-03-23 Chaîne cinématique et procédé pour sa fabrication et son montage WO2007110204A1 (fr)

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ITBO20080699A1 (it) * 2008-11-19 2010-05-20 Ferrari Spa Veicolo stradale con propulsione ibrida
CN102092279A (zh) * 2009-12-09 2011-06-15 株式会社神崎高级工机制作所 车轴电动单元
WO2011082707A1 (fr) * 2010-01-09 2011-07-14 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Dispositif pour entraîner un véhicule
CN102596617A (zh) * 2009-10-20 2012-07-18 格特拉格传动机构和齿轮工厂赫尔曼·哈根迈尔有限公司&两合公司 用于机动车辆的电动车桥的电机
EP2511569A1 (fr) * 2011-04-13 2012-10-17 Schaeffler Technologies AG & Co. KG Dispositif d'entraînement comportant au moins une machine électrique
US8499868B2 (en) 2010-08-06 2013-08-06 Dr. Ing. H.C.F. Porsche Aktiengesellschaft Drive system and motor vehicle having such a drive system
US8701806B2 (en) 2009-03-18 2014-04-22 Kanzaki Kokyukoki Mfg. Co., Ltd. Electric transaxle unit
FR3047447A3 (fr) * 2016-02-10 2017-08-11 Renault Sas Moteur electrique dans le chassis pour vehicule hybride
DE102016221958A1 (de) * 2016-11-09 2018-05-09 Zf Friedrichshafen Ag Lageranordnung und Planetengetriebe
CN109455074A (zh) * 2018-12-11 2019-03-12 北京宏瑞汽车科技股份有限公司 一种集成式电驱动系统
EP3681018A1 (fr) * 2019-01-08 2020-07-15 Hamilton Sundstrand Corporation Systèmes de déconnexion de machine électrique
CN113950428A (zh) * 2019-06-11 2022-01-18 宁波吉利汽车研究开发有限公司 车辆动力传动系系统、车辆和用于操作车辆动力传动系系统的方法
EP4195473A1 (fr) * 2021-12-10 2023-06-14 Black & Decker, Inc. Outil électrique avec ensemble moteur à rotor externe compact
WO2024083651A1 (fr) * 2022-10-20 2024-04-25 Mercedes-Benz Group AG Dispositif d'entraînement électrique pour véhicule automobile

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DE102010013995A1 (de) * 2010-04-07 2011-10-13 Alexander Schmidt Stator Los Many Welle Elektro- Motor (SLMW EM)
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DE102010017966A1 (de) * 2010-04-23 2011-10-27 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Fahrzeug mit elektrischem Antrieb
DE102010017420A1 (de) * 2010-06-17 2011-12-22 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Hybridantriebsstrang
DE102010050217A1 (de) * 2010-11-04 2012-05-10 Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg Elektrische Achse für ein Kraftfahrzeug
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DE102011082391A1 (de) * 2011-09-09 2013-03-14 Zf Friedrichshafen Ag Antriebseinheit für ein Elektrofahrzeug sowie Verfahren zum Festlegen einer Antriebseinheit in einem Elektrofahrzeug
DE102017204458A1 (de) * 2017-03-17 2018-09-20 Zf Friedrichshafen Ag Antriebsvorrichtung zum Antrieb zweier Fahrzeugräder oder zweier Antriebsachsen
DE102017208138A1 (de) * 2017-05-15 2018-11-15 Magna powertrain gmbh & co kg Hybrid-Fahrzeug mit einem Antriebsstrang und Verfahren zur Auslegung eines solchen
DE102017208141A1 (de) * 2017-05-15 2018-11-15 Magna powertrain gmbh & co kg Fahrzeug mit einem Antriebsstrang und Verfahren zur Auslegung eines solchen
CN109591583A (zh) * 2018-12-26 2019-04-09 北京长城华冠汽车科技股份有限公司 一种电动汽车的动力输出系统、方法和电动汽车

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ITBO20080699A1 (it) * 2008-11-19 2010-05-20 Ferrari Spa Veicolo stradale con propulsione ibrida
US8701806B2 (en) 2009-03-18 2014-04-22 Kanzaki Kokyukoki Mfg. Co., Ltd. Electric transaxle unit
US20120258831A1 (en) * 2009-10-20 2012-10-11 Getrag Getriebe-Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg Electric machine for an electric axle of a motor vehicle
US8641568B2 (en) * 2009-10-20 2014-02-04 GETRAG Getriebe- und Zahnradfabrik Hermann Hagenmayer GmbH & Cie KG Electric machine for an electric axle of a motor vehicle
CN102596617A (zh) * 2009-10-20 2012-07-18 格特拉格传动机构和齿轮工厂赫尔曼·哈根迈尔有限公司&两合公司 用于机动车辆的电动车桥的电机
EP2332760A1 (fr) * 2009-12-09 2011-06-15 Kanzaki Kokyukoki Mfg. Co., Ltd. Unité de boîte-pont électrique
CN102092279B (zh) * 2009-12-09 2015-11-25 株式会社神崎高级工机制作所 车轴电动单元
CN102092279A (zh) * 2009-12-09 2011-06-15 株式会社神崎高级工机制作所 车轴电动单元
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CN102741079A (zh) * 2010-01-09 2012-10-17 汽车交通工程有限公司 用于驱动车辆的设备
WO2011082707A1 (fr) * 2010-01-09 2011-07-14 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Dispositif pour entraîner un véhicule
DE102010036884B4 (de) 2010-08-06 2023-08-10 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Antriebssystem und Kraftfahrzeug mit einem derartigen Antriebssystem
US8499868B2 (en) 2010-08-06 2013-08-06 Dr. Ing. H.C.F. Porsche Aktiengesellschaft Drive system and motor vehicle having such a drive system
EP2511569A1 (fr) * 2011-04-13 2012-10-17 Schaeffler Technologies AG & Co. KG Dispositif d'entraînement comportant au moins une machine électrique
FR3047447A3 (fr) * 2016-02-10 2017-08-11 Renault Sas Moteur electrique dans le chassis pour vehicule hybride
DE102016221958A1 (de) * 2016-11-09 2018-05-09 Zf Friedrichshafen Ag Lageranordnung und Planetengetriebe
CN109455074A (zh) * 2018-12-11 2019-03-12 北京宏瑞汽车科技股份有限公司 一种集成式电驱动系统
EP3681018A1 (fr) * 2019-01-08 2020-07-15 Hamilton Sundstrand Corporation Systèmes de déconnexion de machine électrique
CN113950428A (zh) * 2019-06-11 2022-01-18 宁波吉利汽车研究开发有限公司 车辆动力传动系系统、车辆和用于操作车辆动力传动系系统的方法
CN113950428B (zh) * 2019-06-11 2023-11-28 宁波吉利汽车研究开发有限公司 车辆动力传动系系统、车辆和用于操作车辆动力传动系系统的方法
EP4195473A1 (fr) * 2021-12-10 2023-06-14 Black & Decker, Inc. Outil électrique avec ensemble moteur à rotor externe compact
WO2024083651A1 (fr) * 2022-10-20 2024-04-25 Mercedes-Benz Group AG Dispositif d'entraînement électrique pour véhicule automobile

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