WO2020244703A1 - Unité électrique d'entraînement d'axe présentant un dispositif de transmission à deux vitesses ainsi que véhicule automobile - Google Patents

Unité électrique d'entraînement d'axe présentant un dispositif de transmission à deux vitesses ainsi que véhicule automobile Download PDF

Info

Publication number
WO2020244703A1
WO2020244703A1 PCT/DE2020/100387 DE2020100387W WO2020244703A1 WO 2020244703 A1 WO2020244703 A1 WO 2020244703A1 DE 2020100387 W DE2020100387 W DE 2020100387W WO 2020244703 A1 WO2020244703 A1 WO 2020244703A1
Authority
WO
WIPO (PCT)
Prior art keywords
gear
planetary gear
drive unit
input shaft
switching device
Prior art date
Application number
PCT/DE2020/100387
Other languages
German (de)
English (en)
Inventor
Laurent BAYOUX
Matthieu Rihn
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
Publication of WO2020244703A1 publication Critical patent/WO2020244703A1/fr

Links

Classifications

    • 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
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/62—Gearings having three or more central gears
    • F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
    • 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
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H2003/445—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion without permanent connection between the input and the set of orbital gears
    • 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
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/0021—Transmissions for multiple ratios specially adapted for electric vehicles
    • 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
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0034—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds
    • 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
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/2007—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with two sets of orbital gears
    • 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
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
    • F16H2200/2035—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with two engaging means
    • 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
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2097—Transmissions using gears with orbital motion comprising an orbital gear set member permanently connected to the housing, e.g. a sun wheel permanently connected to the housing

Definitions

  • the invention relates to an electric axle drive unit (also referred to as electric axle / E-axle for short) for a motor vehicle, such as a car, truck, bus or other commercial vehicle, with an electric machine, a two-speed transmission device having a two-stage Pla designated gear, wherein a The input shaft of the transmission device is non-rotatably connected to a rotor of the electrical machine and an output shaft of the transmission device can be further connected to an output of a drive train, as well as a plurality of switching devices that can be adjusted between an activated fourth position and a deactivated position.
  • the invention relates to a motor vehicle that is equipped with this electrical Achsan drive unit.
  • WO 2018/099542 A1 discloses a switchable two-speed transmission, in particular for e-drive applications. Further prior art is known from DE 10 2018 005 372 A1 and WO 2018/153403 A1.
  • an axle drive unit can be equipped either with a single fixed gear or with two gears.
  • the designs implemented with a fixed gear mostly have the disadvantage that they do not meet the requirements with regard to torque for low speeds and the requirements for high maximum speeds of the vehicle.
  • the disadvantage of the versions implemented with the two gears is that they are mostly designed for electric axles with a relatively low production volume. These axes are therefore relatively complex to manufacture. It is therefore the object of the present invention to remedy these disadvantages known from the prior art and to provide an electric axle drive unit which has an efficient mode of operation in as many required driving states of the motor vehicle as possible and can be produced with little manufacturing effort.
  • an electrical axle drive unit which is further improved in terms of its efficiency, is made available, which is simply implemented in structure and can consequently be produced in series in a particularly efficient manner.
  • a first switching device acts on a first sun gear (a first gear stage) of the planetary gear and several first planet gears in meshing engagement with the first sun gear are rotatably mounted on a first planet carrier, which first planet carrier is connected to the input shaft in a rotationally fixed manner is.
  • the first switching device can be integrated in a space-saving manner. Consequently, it is useful if the first switching device is arranged and designed in such a way that it blocks rotation of the first sun wheel in its activated position and enables free rotation of the first sun wheel in its deactivated position.
  • a second switching device acts on a second sun gear (a second gearbox stage) of the planetary gear and several second planet gears in meshing engagement with the second sun gear are rotatably mounted on a second planet carrier, which second planet carrier is non-rotatably connected to the output shaft is also the second switching device can be integrated to save space.
  • the second switching device is arranged and designed in such a way that it blocks rotation of the second sun gear in its activated position and enables free rotation of the second sun gear in its deactivated position.
  • a first shifting device is designed as a clutch that acts between the input shaft and a first sun gear (a first gear stage) of the planetary gear, so that in an activated position of the first shifting device, a drive power between the input shaft and can be transmitted to the first sun gear and, in the deactivated position of the first switching device, no drive power can be transmitted between the input shaft and the first sun gear.
  • a second switching device is designed as a clutch acting between the input shaft and a planet carrier of a first planetary gear set (a first gear stage) of the planetary gear so that, in the activated position of the second switching device, a drive power between the input shaft and the planet carrier of the first planetary gear set can be transmitted and none in the deactivated position of the second switching device Drive power between the input shaft and the planetary carrier of the first Pla designated gear set can be transmitted.
  • a first ring gear that is in meshing engagement with the first planetary gear set of the planetary gear set is rotatably coupled to a planet carrier of a second planetary gear set of the planetary gear and / or the plane carrier of the first planetary gear set is non-rotatably coupled to a second ring gear in meshing engagement with the second planetary gear set.
  • the invention relates to a motor vehicle that is equipped with at least one axle drive unit of the embodiments described above, the output shaft of the axle drive unit being coupled to output shafts for driving at least two wheels of the motor vehicle.
  • an electric axle with two gears is implemented according to the invention.
  • an electrical machine with two brakes is preferably used. No further switching devices are necessary.
  • Fig. 1 is a schematic longitudinal sectional view of an inventive
  • Axle drive unit according to a first embodiment, wherein two shifting devices enabling the different gears of a transmission device are implemented as brakes,
  • Axle drive unit according to a second embodiment, which differs from the first embodiment in particular by the design of the two switching devices as a clutch,
  • FIG. 4 shows a diagram to illustrate the operating modes that can be implemented by the axle drive unit according to FIG. 3, together with the gear ratios selected by way of example, and FIG. 4
  • FIG. 5 is a plan view of a schematically illustrated motor vehicle, as it is with one of the axle drive units of FIGS. 1 and 3 can be equipped.
  • FIGS. 1 and 3 two differently designed axle drive units 1 according to the invention are illustrated.
  • the illustrated with Fig. 1 electrical Achsan drive unit 1 according to a first embodiment is constructed and functions essentially in accordance with the axle drive unit 1 of the second embodiment according to FIG. 3.
  • FIG. 3 For the sake of brevity, only the differences between these two exemplary embodiments are described below.
  • the axle drive unit 1 is implemented as a purely electric axle drive unit 1.
  • This electric axle drive unit 1 thus has an electric machine 3 which alone forms a drive motor of a drive train 10 of a motor vehicle 2 indicated in connection with FIG.
  • the electrical machine 3 typically has a stator 25 and a rotor 7 that is rotatably mounted relative to this stator 25.
  • the rotor 7 is directly connected to an input shaft 6 of a gear unit 5 of the axle drive unit 1 in a rotationally fixed manner.
  • the transmission device 5 has furthermore a two-stage planetary gear 4.
  • the planetary gear 4 is connected non-rotatably to the input shaft 6 on the input side (on the part of a planetary carrier 16) and non-rotatably connected to an output shaft 8 on the output side.
  • the output of the axle drive unit 1, i.e. the output shaft 8 can be connected to other devices provided in the drive train 10 of the motor vehicle 2.
  • the output shaft 8 merges into an element of an output 9, referred to as final drive 26, which final drive 26 / output is in turn coupled to a differential 27.
  • Two output shafts 24a, 24b are typically coupled to the differential 27, which output shafts 24a, 24b are rotatably connected to wheels 23a and 23b of the motor vehicle 2 as shown in FIG.
  • a first gear stage of this planetary gear 4 / the gear device 5 is also formed by a first planetary gear set 19.
  • the first planetary gear set 19 is rotatably mounted on a first planet carrier 16. Consequently, a plurality of first planet gears 15 of the first planetary gear set 19, which are arranged distributed in the circumferential direction, are each rotatably supported on the first planet carrier 16.
  • the first planetary carrier 16 is connected directly and permanently to the input shaft 6 and thus to the rotor 7 in a rotationally fixed manner.
  • a first sun gear 13 is in meshing engagement with the first planetary gear set 19.
  • the first planetary gear set 19 is also in tooth engagement with a first flea wheel 20. The first flea wheel 20, the first planetary gear set 19, with the first planet carrier 16, and the first sun gear 13 thus together form the first gear stage.
  • a second gear stage of the planetary gear 4 / the gear unit 5 is also formed by a second planetary gear set 21.
  • the second planetary gear set 21 is rotatably mounted on a second planet carrier 18.
  • a plurality of second planet gears 17 of the second planetary gear set 21, which are arranged distributed in the circumferential direction, are each rotatably received on the second planet carrier 18.
  • the second planetary carrier 18 is directly rotated with the output shaft 8 verbun the.
  • the second gear stage also has a second sun gear 14, which is in meshing engagement with the second planetary gear set 21.
  • the second gear stage also has a second ring gear 22, which is also in meshing engagement with the second planetary gear set 21.
  • the first planetary carrier 16 is permanently connected to the second ring gear 22 in a rotationally fixed manner.
  • the first ring gear 20 is permanently non-rotatably connected to the second plane carrier 18.
  • no more than two shifting devices 1 1, 12 are additionally available in order to shift exactly two gears of the transmission device 5 / of the planetary gear 4.
  • the two switching devices 11 and 12 are thus used to convert two different gear ratios between the input shaft 6 and the output shaft 8.
  • a first switching device 11 and a second switching device 12 are each implemented as a brake.
  • the first switching device 1 1 acts on the first sun gear 13.
  • the second switching device 12 acts on the second sun gear 14.
  • the first switching device 11 thus holds the first sun gear 13 in its activated position relative to an area 28 fixed to the vehicle frame. In a deactivated position of the first switching device 11, the first switching device 11 enables rotation of the first sun gear 13.
  • the second Siemensein direction 12 is constructed.
  • the second switching device 12 thus has a blocking effect on the second sun gear 14 in its activated position and holds it in place relative to the area 28 fixed to the vehicle frame. In a deactivated position of the second switching device 12, free rotation of the second sun gear 14 is made possible.
  • the first switching device 11 is preferably in its deactivated position and the second switching device 12 in its activated position. This in turn results in a ratio of 1.5.
  • the illustrated with Fig. 3 second embodiment differs from the first embodiment in particular by forming the two switching devices 1 1, 12. In this embodiment, too, only two switching devices 1 1, 12 are present.
  • Each of the two switching devices 1 1, 12 is implemented as a clutch used between the input shaft 6 and an input-side component of the planetary gear 4, namely the first sun gear 13 and the first Planetenträ ger 16 acting.
  • the first switching device 1 1 is used between the input shaft 6 and the first Son nenrad 13 acting.
  • the second switching device 12 is used between the A output shaft 6 and the first planetary carrier 16 acting.
  • the input shaft 6 and the first are Sun gear 13 rotatably connected to one another.
  • the input shaft 6 is decoupled from the first sun gear 13 for rotation and thus freely rotatable relative to this.
  • the input shaft 6 is non-rotatably connected to the first plane carrier 16 and in a deactivated position of the second switching device 12 is decoupled from the latter in terms of rotation.
  • the second sun gear 14 is permanently connected to the area 28 fixed to the vehicle frame and is thus held in place relative to it.
  • a first gear in the first Antriebszu was between the input shaft 6 and the output shaft 8 by activating the first switching device 1 1 and deactivating the second switching device 12 it is enough.
  • the first switching device 1 1 is deactivated and the second switching device 12 is activated. This results in a ratio of 1.5.
  • the first switching device 11 is activated and the second switching device 12 is deactivated. This results in a ratio of 2.75.
  • the Final Drive 26 has a gear ratio of 4.8. This results in a total gear ratio of 13.2 in first gear and 7.2 in second gear.
  • a gear jump between first gear and second gear results in fleas of 1.83.
  • an electric axle 1 / e-drive with two gears is proposed.
  • two brakes 1 1, 12 are present in a preferred embodiment in order to obtain two pure electrical gears.
  • the brakes 1 1, 12 are replaced by clutches 1 1, 12.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)

Abstract

L'invention concerne une unité électrique (1) d'entraînement d'essieu pour un véhicule automobile (2) présentant un moteur électrique (3), un dispositif de transmission (5) à deux vitesses présentant un engrenage planétaire (4) à deux étages, un arbre d'entrée (6) du dispositif de transmission (5) étant relié de manière solidaire en rotation à un rotor (7) du moteur électrique (3) et un arbre de sortie (8) du dispositif de transmission (5) pouvant être relié à une prise de force (9) de la chaîne cinématique (10), ainsi que plusieurs dispositifs de commutation (11, 12) pouvant être réglés entre une position activée et une position désactivée, pas plus de deux dispositifs de commutation (11, 12) étant utilisés pour le changement de deux rapports de transmission différents entre l'arbre d'entrée (6) et l'arbre de sortie (8), les dispositifs de commutation (11, 12) étant à chaque fois mis en œuvre comme un frein agissant sur un pignon planétaire (13, 14) d'un étage de transmission de l'engrenage planétaire (4) ou les dispositifs de commutation (11, 12) étant à chaque fois mis en œuvre comme un embrayage agissant entre l'arbre d'entrée (6) et un élément (13, 16) de l'engrenage planétaire. L'invention concerne également un véhicule automobile (2) muni de cette unité (1) d'entraînement d'essieu.
PCT/DE2020/100387 2019-06-07 2020-05-08 Unité électrique d'entraînement d'axe présentant un dispositif de transmission à deux vitesses ainsi que véhicule automobile WO2020244703A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019115557.6 2019-06-07
DE102019115557.6A DE102019115557A1 (de) 2019-06-07 2019-06-07 Elektrische Achsantriebseinheit mit einer zweigängigen Getriebeeinrichtung; sowie Kraftfahrzeug

Publications (1)

Publication Number Publication Date
WO2020244703A1 true WO2020244703A1 (fr) 2020-12-10

Family

ID=70775236

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2020/100387 WO2020244703A1 (fr) 2019-06-07 2020-05-08 Unité électrique d'entraînement d'axe présentant un dispositif de transmission à deux vitesses ainsi que véhicule automobile

Country Status (2)

Country Link
DE (1) DE102019115557A1 (fr)
WO (1) WO2020244703A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113799594A (zh) * 2021-09-29 2021-12-17 合肥工业大学 一种搭载可调悬架自由转向两档轮毂动力总成
US20220307573A1 (en) * 2021-03-26 2022-09-29 Zf Friedrichshafen Ag Electric vehicle transmission

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018099542A1 (fr) 2016-11-29 2018-06-07 Gkn Automotive Ltd. Transmission à deux vitesses manuelle, notamment pour applications edrive
CN108177512A (zh) * 2017-03-29 2018-06-19 上海迪鲲机电科技有限公司 集成式两档变速电驱总成系统及应用方法
WO2018153403A1 (fr) 2017-02-27 2018-08-30 Schaeffler Technologies AG & Co. KG Dispositif de propulsion pour un véhicule automobile
DE102018111800A1 (de) * 2018-05-16 2019-01-17 Schaeffler Technologies AG & Co. KG Antriebsvorrichtung mit einer elektrischen Maschine
DE102018005372A1 (de) 2018-07-06 2019-02-28 Daimler Ag Antriebseinrichtung für ein Kraftfahrzeug, insbesondere für ein Hybrid- oder Elektrofahrzeug
WO2020083723A1 (fr) * 2018-10-24 2020-04-30 Robert Bosch Gmbh Boîte de vitesses à plusieurs rapports commandée en charge

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018099542A1 (fr) 2016-11-29 2018-06-07 Gkn Automotive Ltd. Transmission à deux vitesses manuelle, notamment pour applications edrive
WO2018153403A1 (fr) 2017-02-27 2018-08-30 Schaeffler Technologies AG & Co. KG Dispositif de propulsion pour un véhicule automobile
CN108177512A (zh) * 2017-03-29 2018-06-19 上海迪鲲机电科技有限公司 集成式两档变速电驱总成系统及应用方法
DE102018111800A1 (de) * 2018-05-16 2019-01-17 Schaeffler Technologies AG & Co. KG Antriebsvorrichtung mit einer elektrischen Maschine
DE102018005372A1 (de) 2018-07-06 2019-02-28 Daimler Ag Antriebseinrichtung für ein Kraftfahrzeug, insbesondere für ein Hybrid- oder Elektrofahrzeug
WO2020083723A1 (fr) * 2018-10-24 2020-04-30 Robert Bosch Gmbh Boîte de vitesses à plusieurs rapports commandée en charge

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220307573A1 (en) * 2021-03-26 2022-09-29 Zf Friedrichshafen Ag Electric vehicle transmission
US11732780B2 (en) * 2021-03-26 2023-08-22 Zf Friedrichshafen Ag Electric vehicle transmission
CN113799594A (zh) * 2021-09-29 2021-12-17 合肥工业大学 一种搭载可调悬架自由转向两档轮毂动力总成
CN113799594B (zh) * 2021-09-29 2023-11-03 合肥工业大学 一种搭载可调悬架自由转向两档轮毂动力总成

Also Published As

Publication number Publication date
DE102019115557A1 (de) 2020-12-10

Similar Documents

Publication Publication Date Title
DE102019202207A1 (de) Antriebsachse eines Elektrofahrzeuges
WO2014124640A2 (fr) Système de propulsion conçu pour un véhicule
WO2014154421A1 (fr) Boîte de vitesses destinée à un véhicule automobile
WO2014124639A2 (fr) Système de propulsion conçu pour un véhicule et véhicule équipé de ce système de propulsion
DE102019107538A1 (de) Torque-Vectoring-Getriebe für ein Kraftfahrzeug
DE102011085496A1 (de) Lastschaltgetriebe
EP3025073B1 (fr) Boîte de vitesses pour véhicule à moteur
DE102015101042A1 (de) Elektrisch antreibbare Achse für ein Kraftfahrzeug
WO2017101938A1 (fr) Dispositif de transmission pour véhicule et véhicule ainsi équipé
WO2021239507A1 (fr) Transmission d'essieu pour un essieu entraîné électriquement d'un véhicule à moteur
WO2018172154A1 (fr) Transmission hybride à plusieurs étages combinée et chaîne cinématique y associée
DE102012216802A1 (de) Verteilergetriebe
DE4238025A1 (de) Getriebe mit mehreren schaltbaren Gängen
WO2017108310A1 (fr) Boîte de vitesses pour un véhicule à moteur
AT524454A1 (de) Antriebsstrang für ein kraftfahrzeug
WO2020244703A1 (fr) Unité électrique d'entraînement d'axe présentant un dispositif de transmission à deux vitesses ainsi que véhicule automobile
DE102016221796B4 (de) Hybridgetriebe und Hybridantriebsstrang
DE102020200123A1 (de) Stirnraddifferential und Antriebssystem
DE102019119954A1 (de) Antriebsvorrichtung für ein Kraftfahrzeug mit gemeinsamen starren Hohlrad und gemeinsamen starren Planetenradträger
WO2020007675A1 (fr) Dispositif d'entraînement pour au moins un essieu à commande électrique d'un véhicule à moteur
DE102017204971B3 (de) Mehrstufen-Hybridgetriebe
DE102021109712A1 (de) Schalteinheit und Antriebseinheit für einen elektrifizierten Antriebsstrang eines Kraftfahrzeugs sowie Achsmodul
DE102018215232A1 (de) Getriebe für ein Kraftfahrzeug
DE102012206434B4 (de) Antriebsanordnung für ein Fahrzeug
WO2021013301A1 (fr) Dispositif d'entraînement pour un véhicule à moteur comprenant au choix un porte-satellite commutable solidaire du boîtier ou une couronne

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20726693

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 20726693

Country of ref document: EP

Kind code of ref document: A1