WO2018114024A1 - Dispositif de transmission de véhicule à moteur - Google Patents

Dispositif de transmission de véhicule à moteur Download PDF

Info

Publication number
WO2018114024A1
WO2018114024A1 PCT/EP2017/001252 EP2017001252W WO2018114024A1 WO 2018114024 A1 WO2018114024 A1 WO 2018114024A1 EP 2017001252 W EP2017001252 W EP 2017001252W WO 2018114024 A1 WO2018114024 A1 WO 2018114024A1
Authority
WO
WIPO (PCT)
Prior art keywords
transmission
drive
ring gear
axle
gear
Prior art date
Application number
PCT/EP2017/001252
Other languages
German (de)
English (en)
Inventor
Tobias Schilder
Klaus Riedl
Original Assignee
Daimler 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 Daimler Ag filed Critical Daimler Ag
Publication of WO2018114024A1 publication Critical patent/WO2018114024A1/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
    • F16H3/46—Gearings having only two central gears, connected by orbital gears
    • F16H3/48—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears
    • F16H3/52—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears comprising orbital spur gears
    • F16H3/54—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears comprising orbital spur gears one of the central gears being internally toothed and the other externally toothed
    • 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
    • F16H2200/2005—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with one 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
    • F16H2200/2002—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
    • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/201—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with three 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

Definitions

  • the invention relates to a motor vehicle transmission device and a drive train with the motor vehicle transmission device.
  • a motor vehicle transmission device is already known with at least one transmission to provide a translation, which has at least one ring gear, and with at least one output side coupled to the transmission axle drive. Especially with a transverse installation of a
  • Automotive gear device must be represented by a crankshaft on the side shaft axis offset. In manual transmissions and dual clutch transmissions this misalignment is usually solved so that one translates from a main shaft to the countershafts and then a final drive directly on a
  • the at least one ring gear of the transmission is arranged in the axial direction on an end of the transmission facing the drive unit
  • the at least one ring gear of the transmission has an external toothing, which meshes directly with a toothing of the transaxle.
  • the invention relates to a drive train with a
  • Motor vehicle transmission device with at least one transmission, which has at least one ring gear, and with at least one output side coupled to the transmission axle drive.
  • the at least one ring gear of the transmission has an external toothing, via which the ring gear is coupled to the axle drive.
  • the at least one ring gear of the transmission via the external teeth is permanently coupled to the axle drive.
  • the transmission is in particular formed by a mechanical transmission gear. The transmission is particularly intended to provide a translation of a speed.
  • Motor vehicle transmission device can be provided.
  • a motor vehicle transmission device can be provided, in which an axial offset between the transmission and the axle drive and / or between a drive unit and the axle drive takes place directly.
  • a number of components can be kept small.
  • Preferably can be dispensed with a driven side spur gear of the transmission.
  • a rotating mass can thereby be kept low. This can / CO 2 savings and / or advantageous fast circuit speeds can be achieved. Under one
  • Motor vehicle transmission device is to be understood in this context, in particular a device of a motor vehicle, which is intended to transmit a drive movement of a drive unit of the motor vehicle, in particular an engine, for example an internal combustion engine, to drive wheels of the motor vehicle.
  • the drive unit has an electric motor with a rotor and a stator.
  • a "ring gear” should be understood to mean, in particular, an annular toothed wheel with internal toothing, particularly preferably a radially outer toothed wheel ring of a planetary gear set and / or a planetary gear set
  • a "axle drive” is to be understood as meaning, in particular, a transmission of a motor vehicle, which is intended to provide a force of a motor vehicle Drive unit of the motor vehicle to be transmitted to the axis of the drive wheels of the motor vehicle.
  • the axle gear is provided to transmit a force from the transmission to the shaft of the drive wheels of the motor vehicle.
  • exital toothing is to be understood as meaning, in particular, a toothing which extends along an outer circumference, preferably a toothing which is arranged on a radially outer surface of the ring gear
  • provided is meant in particular specially designed and / or equipped understood.
  • the fact that an object is intended for a specific function should in particular mean that the object fulfills and / or executes this specific function in at least one application and / or operating state.
  • the external toothing of the ring gear meshes directly with a toothing of the transaxle.
  • the external teeth of the ring gear meshes directly with a drive wheel of the axle drive, such as a ring gear and / or a spur gear of the transaxle.
  • Motor vehicle transmission device can be achieved.
  • the transmission is designed to provide at least two shiftable ratios and that the axle drive is arranged radially outside the ring gear.
  • the external toothing of the at least one ring gear is arranged radially outside the internal toothing of the at least one ring gear.
  • the at least one ring gear of the transmission is arranged coaxially with respect to a drive shaft of a drive unit driving the transmission.
  • the transmission is arranged at least substantially coaxially with the drive shaft of the drive unit.
  • an engine of the motor vehicle in particular an electric motor, or also for example an internal combustion engine, to be understood.
  • a ring gear of the transmission coaxial with a rotor as an electric motor
  • the at least one ring gear of the transmission and the drive wheel of the transaxle are arranged in a common wheel plane.
  • an internal toothing of the at least one ring gear is arranged axially at the same height with an external toothing of the at least one ring gear and also axially at the same height with a toothing of the drive wheel of the transaxle.
  • the at least one transmission is at least partially formed by a planetary gear.
  • this is to be understood in particular as meaning that the transmission comprises at least one planetary gear set.
  • the transmission does not necessarily have to be a pure planetary gear, but can
  • the ring gear is associated with a drive side first planetary gear set.
  • the ring gear is particularly preferably associated with a planetary gear, which is the drive unit of the motor vehicle closest.
  • the axle drive is advantageously arranged close to the drive unit.
  • the drive unit can be advantageously arranged centrally. This is particularly advantageous in a motor vehicle with front-transverse transmission, so with transverse mounting and front-wheel drive.
  • Plantary gearset should be understood to mean, in particular, a unit having a sun gear, a ring gear and at least one planet gear guided by a planet carrier on a circular path around the sun gear.
  • a transmission can be provided with an axially small overall length.
  • a transmission with a ring gear can be provided.
  • a "planetary gear” should in particular be understood to mean a gear which has at least one planetary gear connected to a planet carrier, which is coupled in the radial direction outwards with a ring gear and in the radial direction inwards with a sun gear.
  • the transmission has exactly two planetary gear sets, the first planetary gear set having at least one ring gear, exactly one sun gear and exactly one planet carrier, and wherein a second planetary gearset of exactly two planetary gear sets has a second sun gear, a second planet carrier and a second ring gear.
  • the drive shaft rotatably coupled to the sun of the transmission.
  • the drive unit particularly preferably has an electric motor which has a rotor which is coupled to the drive shaft. In this way, a very compact and suitable for a transverse installation in a vehicle powertrain can be displayed.
  • the motor vehicle transmission device has a housing which forms an oil chamber and is provided to receive the at least one transmission and the at least one axle drive.
  • the transmission and the axle drive in a common housing and a
  • a "housing" is to be understood in this context in particular a structural unit, which is provided for receiving and protecting the at least one transmission and the at least one axle drive.
  • the housing surrounds the at least one gear and the at least one axle drive.
  • the housing can be formed in one piece as well as in several parts.
  • the housing is at least rotationally fixed relative to a body of the motor vehicle, in particular stationary.
  • an "oil space” is to be understood as meaning, in particular, a space which, at least in one operation, is at least partially filled with oil, preferably with gear oil.
  • a switching element is meant an element for coupling two transmission elements or an element for coupling a transmission element to the housing.
  • the transmission element is meant one of the sun gears or one of the ring gears or one of the planet carriers of the transmission.
  • the axle drive is arranged spatially below the at least one transmission.
  • the axle drive is arranged spatially relative to a standing plane of the motor vehicle below the at least one transmission.
  • at least a part of the axle transmission is arranged spatially between the transmission and the level of the vehicle.
  • a minimum distance of an axis of rotation of the axle gear to the level is less than a minimum distance of a rotation axis of the transmission to the
  • Motor vehicle should be understood in this context, in particular a plane which extends through the tire support points of the wheels of the motor vehicle.
  • the at least one ring gear of the transmission causes a reversal of the direction of rotation of the at least one transmission to the axle drive.
  • the direction of rotation reversal is due to the direct connection of the ring gear to the axle, so in particular without an intermediate.
  • the transmission therefore has in particular a plurality of "reverse gears" and at least one
  • the invention is based on a drive train with the drive unit and with the motor vehicle transmission device. It is proposed that the at least one ring gear of the transmission of the motor vehicle transmission device is arranged in the axial direction on a half of the transmission facing the drive side. This can be achieved in particular that the axle drive advantageous close to the
  • Drive unit is arranged.
  • the drive unit can be advantageously arranged centrally.
  • the "ring gear is arranged in the axial direction on one of the drive side facing half of the transmission” should be understood in this context in particular, that the ring gear, with an imaginary division of the transmission in two halves, wherein a parting plane in particular perpendicular to a rotation axis of the transmission and passes through a geometric center, is arranged in the half of the transmission, which is assigned to the drive unit.
  • the ring gear viewed in the axial direction, arranged in an end portion of the transmission facing the drive unit.
  • Fig. 1 is a schematic representation of a motor vehicle with a
  • FIG. 2 shows the drive train with a drive unit and with a
  • the motor vehicle 22 is exemplified by a car.
  • the motor vehicle 22 is of a front-wheel drive
  • the motor vehicle 22 comprises a drive train 20, via which driving wheels 23 of the motor vehicle 22 are not further visible.
  • the drive train 20 comprises a drive unit 15.
  • the drive unit 15 is formed by an internal combustion engine.
  • the drive unit 15 is installed transversely.
  • the drive train 20 is installed transversely.
  • the drive unit 15 is transverse to a
  • the drive train 20 has a motor vehicle transmission device 10.
  • the drive unit 15 has a driven drive shaft 14.
  • the drive shaft 14 extends perpendicular to an intended straight ahead direction of the motor vehicle 22nd
  • the motor vehicle transmission device 10 has a transmission 11.
  • the transmission 11 is provided for providing a translation.
  • the transmission 11 is connected to the
  • the transmission 11 is connected to the drive shaft 14 of the
  • Drive unit 15 coupled.
  • the drive unit 15 is in an operation to do so
  • the transmission 11 is intended to translate a speed of the drive unit 15 from a drive side to an output side.
  • the transmission 11 is at least partially formed by a planetary gear.
  • the transmission 11 is exemplified by a planetary gear.
  • the transmission 11 different from a planetary gear comprises translation-forming elements.
  • the transmission 11 comprises at least one planetary gearset 16, 17, 18.
  • the transmission 11 comprises three planetary gear sets 16, 17, 18. In principle, however, another would be useful to a person skilled in the art
  • the planetary gear sets 16, 17, 18 each have a sun gear 24, a ring gear 12 and a plurality of planetary gears 26 guided by a planet carrier 25 on a circular path around the sun gear 24.
  • a first planetary gear set 16 is shown schematically completely (FIG. 2).
  • the transmission has exactly two planetary gear sets, namely the first planetary gear 16 of the planetary gear sets 16, 17, 18 and a second
  • the transmission 11 has the ring gear 12.
  • the ring gear 12 forms a first ring gear of the transmission 11.
  • the ring gear 12 of the transmission 1 1 is coaxial with the drive shaft 14 of the transmission 11 driving drive unit 15 is arranged.
  • the entire transmission 1 1 is arranged coaxially with the drive shaft 14.
  • the ring gear 12 is the first
  • the ring gear 12 is associated with the first planetary gear 16.
  • the ring gear 12 forms the ring gear of the first planetary gear set 16.
  • Motor vehicle transmission device 10 is arranged in the axial direction 21 on a drive side facing half of the transmission 11.
  • the ring gear 12 is, in an imaginary division of the transmission 11 in two halves, wherein a parting plane perpendicular to a rotational axis of the transmission 11 and through a geometric center, arranged in the half of the gear 11, which faces the drive unit 15.
  • Rotation axis of the transmission 11 extends parallel to the axial direction 21 of the transmission 11. Further, the ring gear 12 of the transmission 11 has an external toothing.
  • the ring gear 12 has an internal toothing and an external toothing (FIG. 2).
  • the motor vehicle transmission device 10 has a driven axle coupled to the transmission 11 axle drive 13.
  • the axle drive 13 is provided to transmit a force transmitted by the drive unit 15 to the transmission 11 on shafts 27, 28 of the drive wheels 23 of the motor vehicle 22.
  • the shafts 27, 28 are connected directly to the drive wheels 23.
  • the axle drive 13 has for this purpose a spur gear 29, which is coupled directly to the shafts 27, 28.
  • the axle 13 is for example, formed by a differential gear.
  • the axle drive 13 is arranged spatially below the transmission 11.
  • the axle drive 13 is spatially arranged relative to a standing plane 30 of the motor vehicle 22 below the transmission 11.
  • the axle drive 13 is arranged spatially between the transmission 11 and the level 30 of the motor vehicle 22.
  • Achsgetriebes 13 to the level 30 is therefore less than a minimum distance of an axis of rotation of the transmission 11 to the level 30 ( Figure 2).
  • the ring gear 12 of the transmission 11 is coupled via the external toothing with the axle drive 13.
  • the ring gear 12 of the transmission 11 is permanently coupled via the external teeth with the axle 13.
  • the external teeth of the ring gear 12 meshes directly with a toothing of the transaxle 13.
  • the external teeth of the ring gear 12 meshes directly permanently with a toothing of the spur gear 29 of the final drive 13.
  • a final offset on the output side of the transmission 11 therefore takes place via the external teeth of the ring gear 12th Since the internally toothed ring gear 12 also has an external toothing at the same time, which leads directly to the final drive, that is to say the axle gear 13, this gear ratio stage can be realized in a space-neutral manner in the axial length.
  • the ring gear 12 of the transmission 11 causes a reversal of the direction of rotation of the transmission 11 to the axle drive 13.
  • the direction of rotation is reversed due to the direct connection of the ring gear 12 to the axle transmission 13.
  • the transmission 11 therefore has several "reverse gears” and a "forward gear", because these gears are reversed by the connection to the axle 13 without intermediate ( Figure 2).
  • the motor vehicle transmission device 10 has a housing 19.
  • the housing 19 forms an oil chamber.
  • the housing 19 is filled with oil, in particular with gear oil.
  • the housing 19 is integrally formed. In principle, however, it would also be conceivable that the housing 19 is designed in several parts.
  • the housing 19 is provided to receive the transmission 11 and the axle 13.
  • the housing 19 receives the gear 11 and the axle 13.
  • the gear 11 and the axle 13 are arranged in the oil chamber ( Figure 2).
  • the transmission 11 is designed such that exactly two
  • the transmission 11 has exactly two switching elements 31, 32, namely a first switching element 31 and a second switching element 32.
  • the switching elements 31, 32 are shown only schematically.
  • the switching elements 31, 32 can be used to couple two gear elements of one and the same planetary gear sets 16, 17 or to a coupling of a transmission element of the first planetary gear set 16 with a transmission element of the second planetary gear set 17 or to a coupling of one of the transmission elements of the planetary gear sets 16, 17 may be provided with the housing 19.

Abstract

L'invention concerne un dispositif de transmission de véhicule à moteur, le dispositif comprenant au moins une transmission (11) qui permet d'obtenir une multiplication et qui présente au moins une couronne (12), et au moins une transmission finale (13) qui est accouplée côté sortie à la transmission (11), la ou les couronnes (12) de la transmission (11) présentant une denture extérieure par l'intermédiaire de laquelle la couronne (12) est accouplée à la transmission finale (13).
PCT/EP2017/001252 2016-12-21 2017-10-25 Dispositif de transmission de véhicule à moteur WO2018114024A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016015183.8A DE102016015183A1 (de) 2016-12-21 2016-12-21 Kraftfahrzeuggetriebevorrichtung
DE102016015183.8 2016-12-21

Publications (1)

Publication Number Publication Date
WO2018114024A1 true WO2018114024A1 (fr) 2018-06-28

Family

ID=60182520

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/001252 WO2018114024A1 (fr) 2016-12-21 2017-10-25 Dispositif de transmission de véhicule à moteur

Country Status (2)

Country Link
DE (1) DE102016015183A1 (fr)
WO (1) WO2018114024A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004033396A1 (de) 2003-07-09 2005-02-10 Tochigi Fuji Sangyo K.K. Untersetzungsgetriebe
US20110028260A1 (en) * 2009-07-31 2011-02-03 Nippon Soken, Inc. Power transmission device and power transmission system
DE102014006145A1 (de) 2013-12-12 2015-06-18 Daimler Ag Hybrid-Mehrstufengetriebe für ein Kraftfahrzeug
DE112013006628T5 (de) * 2013-02-08 2015-10-22 Toyota Jidosha Kabushiki Kaisha Fahrzeugantriebsvorrichtung
DE102016201489A1 (de) * 2015-02-02 2016-08-04 Suzuki Motor Corporation Antriebssteuersystem

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009216189A (ja) * 2008-03-11 2009-09-24 Toyota Motor Corp 複合遊星歯車装置
JP5742778B2 (ja) * 2012-04-26 2015-07-01 アイシン・エィ・ダブリュ株式会社 デファレンシャルギヤ
JP6322819B2 (ja) * 2013-12-20 2018-05-16 日産自動車株式会社 ハイブリッド車両の駆動装置
JP6363533B2 (ja) * 2015-02-25 2018-07-25 トヨタ自動車株式会社 ハイブリッド車両用電動機格納装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004033396A1 (de) 2003-07-09 2005-02-10 Tochigi Fuji Sangyo K.K. Untersetzungsgetriebe
US20110028260A1 (en) * 2009-07-31 2011-02-03 Nippon Soken, Inc. Power transmission device and power transmission system
DE112013006628T5 (de) * 2013-02-08 2015-10-22 Toyota Jidosha Kabushiki Kaisha Fahrzeugantriebsvorrichtung
DE102014006145A1 (de) 2013-12-12 2015-06-18 Daimler Ag Hybrid-Mehrstufengetriebe für ein Kraftfahrzeug
DE102016201489A1 (de) * 2015-02-02 2016-08-04 Suzuki Motor Corporation Antriebssteuersystem

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