WO2018188695A1 - Dispositif d'entraînement conçu pour un véhicule automobile - Google Patents

Dispositif d'entraînement conçu pour un véhicule automobile Download PDF

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Publication number
WO2018188695A1
WO2018188695A1 PCT/DE2018/100323 DE2018100323W WO2018188695A1 WO 2018188695 A1 WO2018188695 A1 WO 2018188695A1 DE 2018100323 W DE2018100323 W DE 2018100323W WO 2018188695 A1 WO2018188695 A1 WO 2018188695A1
Authority
WO
WIPO (PCT)
Prior art keywords
gear
drive
differential
output shaft
planetary
Prior art date
Application number
PCT/DE2018/100323
Other languages
German (de)
English (en)
Inventor
Franz Kurth
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 WO2018188695A1 publication Critical patent/WO2018188695A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • 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
    • 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
    • B60K17/02—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
    • 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
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
    • B60K17/165—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing provided between independent half axles
    • 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
    • B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
    • B60K17/20—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing in which the differential movement is limited
    • 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
    • F16H48/00—Differential gearings
    • F16H48/06—Differential gearings with gears having orbital motion
    • F16H48/10—Differential gearings with gears having orbital motion with orbital spur gears
    • F16H48/11—Differential gearings with gears having orbital motion with orbital spur gears having intermeshing planet 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
    • F16H48/00—Differential gearings
    • F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
    • F16H48/22—Arrangements for suppressing or influencing the differential action, e.g. locking devices using friction clutches or brakes
    • 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

Definitions

  • the invention relates to a drive device with a transmission device for a motor vehicle.
  • US 2007 093 344 A1 discloses a power transmission device for a vehicle for transmitting a driving force from a drive source via a transmission device to a right and left output shaft.
  • the transmission device includes an input stage and a differential stage, the input stage having a stepped planetary gear set with a plurality of stepped planetary gears.
  • the differential stage includes a differential carrier, which is torsionally rigidly connected to the two output shaft.
  • DE 10 201 1079 975 A1 discloses a drive device for a motor vehicle, having a differential gear, which is designed as a spur gear and has a circulation housing, and a first and second spur gear received therein.
  • the drive device further comprises a planetary gear stage which is kinematically coupled to the circulation housing and a sun gear, planetary gears and a ring gear.
  • the planet gears of the planetary gear stage are stepped and each form a first Planetenstirnradabêt and a coaxially and axially offset to this arranged second Planetenstirnradabites.
  • the first planetary spur gear portion engages the sun gear and the second planetary spur gear portion engages the ring gear.
  • the planet gears run together with the circulation housing.
  • a preliminary stage is provided, wherein a switching device is provided for the selective integration or bridging of the precursor.
  • the switching device comprises a friction clutch, wherein the electric motor can be selectively coupled directly to the sun gear of the planetary gear stage by the friction clutch.
  • DE 10 2015 106 503 A1 discloses a transmission for a vehicle, the first and second drive axle half shafts defining a rotation axis, an electric motor / generator having a motor shaft parallel to the drive axle half shafts, and a differential having a differential carrier operatively connected to the drive axle half shafts.
  • the transmission comprises a planetary gear set having a first sun gear member connectable to the motor shaft continuously or selectively, with first and second pinion gears coaxial with each other, with a support member rotatably supporting the first and second pinion gears, so that the first one Pinion gear meshes with the first sun gear member, with a ring gear member which meshes with one of the pinion gears and with a non-rotating housing which radially surrounds the ring gear member.
  • the ring gear member is permanently or selectively connectable to the housing.
  • the carrier element can be functionally connected to the differential carrier.
  • the object of the present invention is to develop a drive device with a transmission device for a motor vehicle. This object is achieved by a drive device with the features of claim 1. Preferred or advantageous embodiments of the invention will become apparent from the dependent claims of the following description and the accompanying drawings.
  • a drive device for a motor vehicle comprises a prime mover operatively connected to a transmission device via a drive shaft, the transmission device having an input stage and a differential stage, the input stage comprising a stepped planetary gearset having a plurality of stepped planetary gears, each step planetary gear having first and second The gear wheels are rotatably connected to each other, wherein the stepped planetary gears are rotatably mounted on a planet carrier, wherein the first gear is meshed with a first sun gear and the second gear is meshed with a ring gear fixed to a housing, further wherein the differential stage comprises a differential carrier and is intended to distribute a drive power of the prime mover to a first and second output shaft, wherein the first and second output shaft relative to the differential carrier of the differe ntialnote are rotatable, wherein at least on one of the two output shafts, a clutch is arranged to decouple the respective output shaft on which the respective clutch is disposed of the transmission device.
  • the two output shafts are not rotatably connected to the differential carrier but can be rotated relative to the differential carrier and thus have different speeds.
  • either the first or the second output shaft has a clutch for decoupling the first or second output shaft from the transmission device.
  • both output shafts may have a respective clutch for decoupling the respective output shaft from the transmission device.
  • a coupling is to be understood as a switching element which has at least one opened and one closed state. When opened, the clutch does not transmit any torque. Thus, the clutch only transmits a torque between the transmission device and the respective output shaft in an at least partially closed state.
  • the coupling can be designed both as a load switching element, in particular as a friction clutch, as well as a form-locking switching element, in particular as a dog clutch.
  • the clutch is actuated by an actuator and disengaged and disengaged to effect an opening or closing.
  • the actuator can be actuated mechanically, hydraulically, electromechanically, electromagnetically or for example also pneumatically.
  • operatively connected is to be understood that two elements can be directly connected to each other, or between two elements are still other elements, such as one or more gears or shafts.
  • Two intermeshing or meshing gears are provided for transmitting torque and rotational speed from one gear to the other gear.
  • Under a gear is also a sun gear, a ring gear, a planetary gear and a Ménpianetenrad to understand.
  • the first gear is larger than the second gear formed.
  • the first sun gear is connected to the drive shaft.
  • the drive power of the drive motor is fed via the first sun gear in the transmission device.
  • the differential stage comprises a first and a second planetary gear set with a plurality of planetary gears, wherein the planetary gears of the first and second planetary gear are rotatably arranged on the planet carrier formed as a differential carrier, each planetary gear of the first planetary gear with a second sun gear and a respective planetary gear of the second planetary gear in Gear engagement is, each planetary gear of the second planetary gear is in meshing engagement with a third sun gear, wherein the second sun gear rotatably connected to the first output shaft, and wherein the third sun gear is rotatably connected to the second output shaft.
  • the differential stage is designed as a spur gear differential.
  • the at least one clutch is thus located in the power flow between the first and / or second sun gear and the respective output shaft.
  • a respective spline for receiving the respective output shaft is provided on the second and third sun gear.
  • the planet carrier of the input stage is non-rotatably connected to the differential carrier of the differential stage.
  • the prime mover is designed as an electric machine with a stator and a rotor.
  • the drive device for an electrical axle of a motor vehicle is provided.
  • the electrical axis can advantageously be combined with a driven by an internal combustion engine axis to a hybrid drive.
  • the drive shaft is arranged coaxially to the two output shafts, wherein the drive shaft is designed as a hollow shaft and the first output shaft is guided by the drive shaft.
  • the first, second and third sun gears are arranged coaxially with each other.
  • Figure 1 is a simplified schematic representation of a drive device according to the invention with a transmission device according to a first embodiment
  • Figure 2 is a simplified schematic representation of an inventive
  • a respective drive device according to the invention for a motor vehicle (not shown here) has an engine 1 and a transmission device 3.
  • the drive machine 1 is designed as an electric machine and has a housing-fixed stator 16 and a rotor 17 movably disposed therein.
  • the transmission device 3 is in the present case flanged to the engine 1.
  • a drive power of the drive machine 1 is introduced into the transmission device 3 via a drive shaft 2, which is arranged between the drive machine 1 and the transmission device 3.
  • the transmission device 3 comprises an input stage 4 and a differential stage 5, wherein the differential stage 5 is provided to distribute the drive power of the engine 1 to a first and second output shaft 1 1 a, 1 1 b.
  • the input stage 4 is designed as a planetary gear and comprises a planetary carrier 9a.
  • the differential stage 5 is designed as a spur gear differential and comprises a planetary carrier designed as a differential carrier 9b.
  • the first and second output shaft 1 1 a, 1 1 b are relative to the differential carrier 9b of the differential stage 5 rotatable.
  • the two output shafts 1 1 a, 1 1 b are not torsionally rigid but variably rotatably connected to the differential carrier 9 b operatively connected.
  • the input stage 4 has a stepped planetary gearset 7 with a plurality of stepped planetary gears 8, wherein each stepped planetary gear 8 has a first and a second non-rotatably connected gearwheel 8a, 8b.
  • the first gear 8a is formed larger than the second gear 8b.
  • the stepped planet gears 8 are rotatably mounted on the planetary carrier 9a, wherein the first gear 8a with a first sun gear 10a is in meshing engagement and the second gear 8b with a on a Housing 15 stationarily fixed ring gear 14 is in meshing engagement.
  • the first sun gear 10a is connected to the drive shaft 2.
  • the differential stage 5 has a first and a second planetary gear set 12a, 12b with a plurality of planetary gears 13a, 13b.
  • the planet gears 13a, 13b of the first and second planetary gear sets 12a, 12b are rotatably disposed on the differential cage 9b.
  • Each planetary gear 13a of the first planetary gear set 12a is meshed with a second sun gear 11b and a respective planet gear 13b of the second planetary gear set 12b.
  • each planetary gear 13b of the second planetary gear set 12b meshes not only with each planetary gear 13a of the first planetary gear set 12a but also with a third sun gear 10c.
  • the second sun gear 10b is rotatably connected to the first output shaft 1 1 a and the third sun gear 10c is rotatably connected to the second output shaft 1 1 b.
  • the drive shaft 2 is coaxial with the two output shafts 1 1 a, 1 1 b arranged, wherein the drive shaft 2 is formed as a hollow shaft and the first output shaft 1 1 a is guided by the drive shaft 2.
  • a clutch 6 is arranged between the first output shaft 11a and the second sun gear 10b in order to decouple the first output shaft 11a from the transmission device 3, namely from the second sun gear 10b of the differential stage 5.
  • a respective clutch 6 is arranged between the first output shaft 11a and the second sun gear 10b and between the second output shaft 11b and the third sun gear 10c in order to separate the respective output shaft 11a, 11b from the output shaft. drive device 3 to decouple.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Retarders (AREA)
  • Arrangement Of Transmissions (AREA)

Abstract

L'invention concerne un dispositif d'entraînement conçu pour un véhicule automobile, comprenant un moteur d'entraînement (1) qui coopère avec un système de boîte de vitesses (3) par l'intermédiaire d'un arbre d'entraînement (2), le système de boîte de vitesses (3) comportant un étage d'entrée (4) et un étage de différentiel (5), l'étage d'entrée (4) comportant un train planétaire étagé (7) comprenant plusieurs satellites étagés (8), chaque satellite étagé (8) comportant une première et une deuxième roue dentée (8a, 8b) reliées de manière solidaire en rotation, les satellites étagés (8) étant disposés rotatifs sur un porte-satellites (9a), la première roue dentée (8a) étant engrenée avec une première roue planétaire (10a), et la deuxième roue dentée (8b) étant engrenée avec une couronne (14) montée fixe sur un boîtier (15), l'étage de différentiel (5) comprenant en outre une cage de différentiel (9b) et étant conçu pour répartir une puissance d'entraînement du moteur d'entraînement (1) sur un premier et un deuxième arbre de sortie (11a, 11b), ce premier et ce deuxième arbre de sortie (11a, 11b) pouvant tourner par rapport à la cage de différentiel (9b) de l'étage de différentiel (5), et un embrayage (6) étant agencé sur au moins un des deux arbres de sortie (11a, 11b) pour séparer, du système de boîte de vitesses (3), l'arbre de sortie (11a, 11b) respectif sur lequel l'embrayage (6) respectif est agencé.
PCT/DE2018/100323 2017-04-13 2018-04-10 Dispositif d'entraînement conçu pour un véhicule automobile WO2018188695A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017108003.1 2017-04-13
DE102017108003.1A DE102017108003B3 (de) 2017-04-13 2017-04-13 Antriebsvorrichtung für ein Kraftfahrzeug

Publications (1)

Publication Number Publication Date
WO2018188695A1 true WO2018188695A1 (fr) 2018-10-18

Family

ID=62091623

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2018/100323 WO2018188695A1 (fr) 2017-04-13 2018-04-10 Dispositif d'entraînement conçu pour un véhicule automobile

Country Status (2)

Country Link
DE (1) DE102017108003B3 (fr)
WO (1) WO2018188695A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019203655A1 (de) * 2019-03-19 2020-09-24 Zf Friedrichshafen Ag Stirnraddifferentialgetriebe für ein Fahrzeug
DE102019203656A1 (de) * 2019-03-19 2020-09-24 Zf Friedrichshafen Ag Stirnraddifferentialgetriebe für ein Fahrzeug

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070093344A1 (en) 2005-10-25 2007-04-26 Honda Motor Co., Ltd. Power transmitting device for vehicle
DE102007037676A1 (de) * 2007-08-10 2009-02-12 Bayerische Motoren Werke Aktiengesellschaft Differentialgetriebe für Fahrzeuge, insbesondere für Allradfahrzeuge
DE102011079975A1 (de) 2011-07-28 2013-01-31 Schaeffler Technologies AG & Co. KG Antriebseinrichtung für ein Kraftfahrzeug
US20130203543A1 (en) * 2010-07-14 2013-08-08 Eaam Driveline Systems Ab Axle assembly with torque distribution drive mechanism
EP2899429A1 (fr) * 2014-01-24 2015-07-29 Dana Automotive Systems Group , LLC Différentiel à glissement limité actif
DE102015106503A1 (de) 2014-05-13 2015-11-19 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Fahrzeuggetriebe mit Planetenradsatz mit gemeinsamem Träger
DE102014209941A1 (de) * 2014-05-26 2015-11-26 Schaeffler Technologies AG & Co. KG Umlaufrädergetriebe, insbesondere wälzendes Achsgetriebe für ein Kraftfahrzeug

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070093344A1 (en) 2005-10-25 2007-04-26 Honda Motor Co., Ltd. Power transmitting device for vehicle
DE102007037676A1 (de) * 2007-08-10 2009-02-12 Bayerische Motoren Werke Aktiengesellschaft Differentialgetriebe für Fahrzeuge, insbesondere für Allradfahrzeuge
US20130203543A1 (en) * 2010-07-14 2013-08-08 Eaam Driveline Systems Ab Axle assembly with torque distribution drive mechanism
DE102011079975A1 (de) 2011-07-28 2013-01-31 Schaeffler Technologies AG & Co. KG Antriebseinrichtung für ein Kraftfahrzeug
EP2899429A1 (fr) * 2014-01-24 2015-07-29 Dana Automotive Systems Group , LLC Différentiel à glissement limité actif
DE102015106503A1 (de) 2014-05-13 2015-11-19 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Fahrzeuggetriebe mit Planetenradsatz mit gemeinsamem Träger
DE102014209941A1 (de) * 2014-05-26 2015-11-26 Schaeffler Technologies AG & Co. KG Umlaufrädergetriebe, insbesondere wälzendes Achsgetriebe für ein Kraftfahrzeug

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