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WO2006010186A1 - Unite a engrenage differentiel a repartition de couple de rotation et de vitesse de rotation reglable - Google Patents

Unite a engrenage differentiel a repartition de couple de rotation et de vitesse de rotation reglable Download PDF

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Publication number
WO2006010186A1
WO2006010186A1 PCT/AT2005/000294 AT2005000294W WO2006010186A1 WO 2006010186 A1 WO2006010186 A1 WO 2006010186A1 AT 2005000294 W AT2005000294 W AT 2005000294W WO 2006010186 A1 WO2006010186 A1 WO 2006010186A1
Authority
WO
WIPO (PCT)
Prior art keywords
gear
differential
auxiliary drive
drive
sun
Prior art date
Application number
PCT/AT2005/000294
Other languages
German (de)
English (en)
Inventor
Ferdinand Tangl
Franz ZÖHRER
Original Assignee
Magna Steyr Fahrzeugtechnik 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 Magna Steyr Fahrzeugtechnik Ag & Co Kg filed Critical Magna Steyr Fahrzeugtechnik Ag & Co Kg
Priority to DE112005001821.0T priority Critical patent/DE112005001821B4/de
Publication of WO2006010186A1 publication Critical patent/WO2006010186A1/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
    • F16H48/00—Differential gearings
    • F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
    • F16H48/30—Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
    • B60K23/04—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for differential gearing
    • 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
    • F16H48/08—Differential gearings with gears having orbital motion comprising bevel 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
    • F16H48/06—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
    • F16H48/36—Differential gearings characterised by intentionally generating speed difference between outputs
    • 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
    • F16H2048/204—Control of arrangements for suppressing differential actions
    • 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
    • F16H48/36—Differential gearings characterised by intentionally generating speed difference between outputs
    • F16H2048/364—Differential gearings characterised by intentionally generating speed difference between outputs using electric or hydraulic motors

Definitions

  • the invention relates to a differential gear unit with controllable torque and rotational speed distribution comprising a housing, a differential gear, a superposition gear and an auxiliary drive, wherein the differential gear comprises an input member driven by the vehicle engine, differential gears and two output members each having an output shaft, and wherein the superposition gear is a planetary gear, which feeds a Aus ⁇ output shaft generated by the auxiliary drive torque with a controllable speed.
  • a differential compensates for differences in speed between the two output shafts, the distribution of the torques resulting from the geometry, in particular the numbers of teeth in the differential.
  • a differential gear unit according to the above definition also makes it possible to selectively influence the torque distribution. For example, when used as an axle differential, additional driving force can be supplied to the faster rotating wheel with a curving exterior. This intervenes in the driving dynamics of the vehicle. That 's why we also speak of "torque vectoring".
  • Such differential gear units can both as axle differential
  • the additional drive force is either branched off upstream at a suitable point in the force flow or provided by an additional drive.
  • the main requirement is that the additional drive is stationary when the rotational speed of the two output shafts is equal.
  • the driving force applied by the auxiliary drive must be able to be controlled very precisely.
  • Such a differential gear unit is known from US 5,387,161.
  • the superposition gear is a simple planetary gear whose Pla ⁇ netenarme is rotatably connected to an output shaft whose sun gear is rotatably connected to the auxiliary drive and the ring gear via a festachsige translation stage with the planet carrier of the planetary gear also designed as a differential gear, and thus with the other output shaft, is drive-connected.
  • the disadvantage is first of all that the additional drive does not act exclusively on the one output shaft. This results in complex torque ratios which make accurate control of the additional drive more difficult.
  • the auxiliary drive is indeed, but results in the coupling with the differential extremely high Dreh ⁇ pay.
  • the additional drive for effective engagement needs a considerable torque of the auxiliary drive. Overall, the arrangement is heavy, bulky and structurally complex.
  • Differential gear is connected to the auxiliary drive and to a single output shaft.
  • the latter brings simple torque ratios, which benefits a precise control and also offers the possibility to attach the superposition gear on one side to an existing differential gear.
  • the differential can in principle be of any Bau ⁇ type, and designed for unbalanced basic torque distribution.
  • the differential gear unit according to the invention can also be used uneinge ⁇ limited as Eisenachsdifferential.
  • the superposition gear a Geographical Component planetary gear, comprising a first and a second sun gear, a first and a second ring gear and first and second planet gears on a common planet carrier, wherein the first and second planetary gears respectively mesh with the first and second sun gears and the first and second ring gear, respectively.
  • a planetary transmission a high transmission ratio for the auxiliary drive can be represented, and the functionality is independent of the driving speed, which results in a relatively simple and very fine control.
  • Another advantage is that the additional drive takes up only little power, which also benefits the Bau ⁇ size. Since it involves a control of the driving dynamics, that is to say a control intervention at high speed, the control range does not need to be very far. On the effect as a traction aid in Gelän ⁇ de or on icy road is deliberately omitted.
  • the first sun gear is rotatably connected to the housing of the differential gear unit, the second sun gear is driven by the auxiliary drive, the second ring gear with an output member or an output shaft of the differential gear and the first
  • Ring gear rotatably connected to the input member and the common planet carrier is freely rotatable (claim 3).
  • the peripheral forces to be absorbed by the planetary gears are very small, so that the two sets of planetary gears are small and very narrow.
  • the entire differential gear unit is only insignificantly larger than an ordinary differential gear.
  • the auxiliary drive can be of any kind per se, as long as it allows only the train and brake operation controllable in both directions.
  • it is an electric motor with reduction gear. Installation, power supply and connection to a control unit located elsewhere are thus particularly simple. However, it could also be a hydraulic motor that can be regulated in the four quadrants of the characteristic diagram.
  • the entire differential gear unit is located in a vehicle-fixed housing 1.
  • the driving force for the vehicle is provided via a drive shaft 2 either directly or indirectly from a motor-gear unit, not shown, depending on the disposition of Antrieb ⁇ strand, and whether it is a Axle differential or an interaxle differential tial acts.
  • a first output shaft 3 and a second output shaft 4 are led out of the housing 1 on opposite sides. They are either axles leading to the wheels of an axle or shafts leading to two driven axles.
  • Inside the housing is a differential gear 6, a superposition gear 7 and a controllable auxiliary drive. 8
  • the differential gear 6 is in the illustrated embodiment completely konven ⁇ tional. But it could also be a planetary gear or when used as emb ⁇ differential axle a differential with unbalanced Drehmomentver ⁇ division.
  • it consists of a differential housing 11 as an input member with rotationally fixed thereto a large gear 13 which is driven by a seated on the drive shaft 2 pinion 12, from a number in the differential housing 11 mounted bevel gears 14, and two output members, namely a first output gear 15 and a second output gear 16.
  • the first (15) is rotatably connected to the first output shaft 3, the second (16) with the coaxial pointing in the opposite direction second Aus ⁇ output shaft 4.
  • the differential housing 11 has on one side a cylindrical extension 17th
  • the superposition gearing 7 is a two-stage planetary gearing, in other words two planetary gear sets arranged next to one another.
  • a first ring gear 20 of the first stage meshes with first planetary gears 21, which in turn mesh with a first sun gear 22.
  • the first ring gear 20 is non-rotatably connected to the first output shaft 3 and thus to the first output gear 15 of the compensating gear 6.
  • the sun gear 22 is rotatably connected via a pipe 23 to the housing 1, so it is always quiet.
  • a second ring gear 25 of the second stage meshes with second planetary gears 26, which in turn mesh with a second sun gear 27 again.
  • the planet gears 21,26 of the two stages are rotatably mounted on a planet carrier 28 which is freely rotatably mounted on the first output shaft 3.
  • the second sun gear 27 is part of a hollow shaft 31, with which the matterssiere- wheel 30 of the auxiliary drive 8 is rotatably connected.
  • the auxiliary drive consists here of a controllable in all four quadrants of his characteristic electric motor and a reduction gear 34, from which the controllableificatmo ⁇ ment is transmitted via a gear 32 to the input gear 30 of the auxiliary drive 8. But it could also be a hydraulic motor.
  • the described arrangement behaves as follows: In slippery straight ahead driving of the vehicle, in which the two output shafts 3,4 rotate equally fast, so that the differential gear 6 rotates as a block, the two ring gears 20,25 rotate equally fast. If no torque is to be superimposed on one side in this operating state, the auxiliary drive 8 stands still. Thus, the two sun gears 22,27 stand still. The two planetary gear sets roll freely between their respective hollow and sun gears. If the additional drive 8 is to accelerate the first output shaft 3 by supplying a torque, this is introduced via the second sun gear 27; it rotates with respect to the space-fixed first sun gear 22. The resulting faster rotational movement of the second planetary gears 26 and with them the common planet carrier 28 causes a higher speed of the first Plan ⁇ tengan 21 and thus also the first output shaft. 3
  • the auxiliary drive 8 is set in the opposite direction in motion.
  • the Studentslagerungsgetrie ⁇ be behaves accordingly analog.
  • the first output shaft 3 is decelerated, which leads to a higher rotational speed of the second output shaft 4 due to the action of the differential gear 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Retarders (AREA)

Abstract

La présente invention concerne une unité à engrenage différentiel à répartition de couple de rotation et de vitesse de rotation réglable, comprenant un boîtier (1), un engrenage d'équilibrage (6), un engrenage de superposition (7) et un entraînement supplémentaire (8), l'engrenage d'équilibrage (6) comprenant un organe d'entrée (11) entraîné par un moteur de véhicule, des roues d'équilibrage (14) et deux organes de sortie (15,16) avec arbre de sortie (3,4). Pour obtenir une commande précise pour un espace réduit avec un entraînement supplémentaire faible, l'engrenage de superposition (7) est relié au boîtier fixe (1) de l'unité à engrenage différentiel, à l'organe d'entrée (11) de l'engrenage d'équilibrage, à l'entraînement supplémentaire (8) et à un seul arbre de sortie (3). L'engrenage de superposition (7) est un engrenage planétaire à cinq éléments qui comprend une première (22) et une seconde (27) roue solaire, une première (20) et une seconde (25) roue creuse, et une première (21) et une seconde (26) roue planétaire, sur un support planétaire commun (28), la première et la seconde roue planétaire (21,26) s'engrenant respectivement avec la première et avec la seconde roue solaire (22,27), et respectivement avec la première et avec la seconde roue creuse (20,25).
PCT/AT2005/000294 2004-07-26 2005-07-26 Unite a engrenage differentiel a repartition de couple de rotation et de vitesse de rotation reglable WO2006010186A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112005001821.0T DE112005001821B4 (de) 2004-07-26 2005-07-26 Differentialgetriebeeinheit mit steuerbarer Drehmoment- und Drehzahlverteilung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT5282004 2004-07-26
ATGM528/2004 2004-07-26

Publications (1)

Publication Number Publication Date
WO2006010186A1 true WO2006010186A1 (fr) 2006-02-02

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PCT/AT2005/000294 WO2006010186A1 (fr) 2004-07-26 2005-07-26 Unite a engrenage differentiel a repartition de couple de rotation et de vitesse de rotation reglable

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DE (1) DE112005001821B4 (fr)
WO (1) WO2006010186A1 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008141887A1 (fr) * 2007-05-19 2008-11-27 Zf Friedrichshafen Ag Transmission superposée permettant de répartir un couple moteur sur au moins deux arbres secondaires
WO2008125364A3 (fr) * 2007-04-12 2008-12-11 Fzgmbh Boîte de transfert pour véhicules à moteur
DE102008001050A1 (de) * 2008-04-08 2009-10-15 Zf Friedrichshafen Ag System zur Schwingungsreduzierung in einem Achsgetriebe eines Kraftfahrzeugs
DE102008002686A1 (de) 2008-06-26 2009-12-31 Robert Bosch Gmbh Differential- oder Verteilergetriebe bzw. Nebenaggregatantrieb mit Reibradgetriebestufe
DE102009028384A1 (de) * 2009-08-10 2011-02-17 Zf Friedrichshafen Ag Vorrichtung zum Verteilen eines Drehmomentes einer Antriebsmaschine in Fahrzeugquerrichtung
WO2012082059A1 (fr) * 2010-12-15 2012-06-21 Borgwarner Torqtransfer Systems Ab Dispositif de guidage de couple
RU2459988C2 (ru) * 2009-07-29 2012-08-27 Либхерр-Компонентс Биберах Гмбх Привод, содержащий средство защиты от перегрузок, для приведения в движение кольцевой шестерни
DE102014015793A1 (de) 2014-10-24 2016-04-28 Audi Ag Antriebsvorrichtung für ein Kraftfahrzeug, Kraftfahrzeug und Verfahren zum Betrieb eines Kraftfahrzeugs
EP3372430A1 (fr) * 2017-03-08 2018-09-12 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Appareil de réglage de force d'entraînement
CN113217600A (zh) * 2021-06-01 2021-08-06 吉林大学 一种具有转矩矢量分配功能的汽车差速器
CN115356023A (zh) * 2022-08-19 2022-11-18 郑州机械研究所有限公司 一种扭矩测试装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4408587A1 (de) * 1993-04-16 1994-10-20 Honda Motor Co Ltd Drehmomentverteilermechanismus für ein Differential
DE4423951A1 (de) * 1993-07-07 1995-01-12 Honda Motor Co Ltd Fahrzeug mit Drehmomentverteilungssystem
US5387161A (en) * 1991-04-19 1995-02-07 Honda Giken Kogyo Kabushiki Kaisha Torque distributing mechanism in differential
FR2844858A1 (fr) * 2002-09-25 2004-03-26 Peugeot Citroen Automobiles Sa Differentiel asymetrique a caractere actif pour vehicule automobile

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4759946B2 (ja) 2004-05-10 2011-08-31 株式会社ジェイテクト 左右輪駆動装置、前後輪駆動装置及びその制御方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5387161A (en) * 1991-04-19 1995-02-07 Honda Giken Kogyo Kabushiki Kaisha Torque distributing mechanism in differential
DE4408587A1 (de) * 1993-04-16 1994-10-20 Honda Motor Co Ltd Drehmomentverteilermechanismus für ein Differential
DE4423951A1 (de) * 1993-07-07 1995-01-12 Honda Motor Co Ltd Fahrzeug mit Drehmomentverteilungssystem
FR2844858A1 (fr) * 2002-09-25 2004-03-26 Peugeot Citroen Automobiles Sa Differentiel asymetrique a caractere actif pour vehicule automobile

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008125364A3 (fr) * 2007-04-12 2008-12-11 Fzgmbh Boîte de transfert pour véhicules à moteur
US8430779B2 (en) 2007-04-12 2013-04-30 Fzgmbh Power-dividing gear train assembly for motor vehicles
US8272989B2 (en) 2007-05-19 2012-09-25 Zf Friedrichshafen Ag Variable ratio transmission for distributing a drive torque to at least two output shafts
WO2008141887A1 (fr) * 2007-05-19 2008-11-27 Zf Friedrichshafen Ag Transmission superposée permettant de répartir un couple moteur sur au moins deux arbres secondaires
DE102008001050A1 (de) * 2008-04-08 2009-10-15 Zf Friedrichshafen Ag System zur Schwingungsreduzierung in einem Achsgetriebe eines Kraftfahrzeugs
DE102008002686A1 (de) 2008-06-26 2009-12-31 Robert Bosch Gmbh Differential- oder Verteilergetriebe bzw. Nebenaggregatantrieb mit Reibradgetriebestufe
RU2459988C2 (ru) * 2009-07-29 2012-08-27 Либхерр-Компонентс Биберах Гмбх Привод, содержащий средство защиты от перегрузок, для приведения в движение кольцевой шестерни
DE102009028384A1 (de) * 2009-08-10 2011-02-17 Zf Friedrichshafen Ag Vorrichtung zum Verteilen eines Drehmomentes einer Antriebsmaschine in Fahrzeugquerrichtung
WO2012082059A1 (fr) * 2010-12-15 2012-06-21 Borgwarner Torqtransfer Systems Ab Dispositif de guidage de couple
US9353847B2 (en) 2010-12-15 2016-05-31 BorgWarner Torq Transfer Systems AB Torque vectoring device
DE102014015793A1 (de) 2014-10-24 2016-04-28 Audi Ag Antriebsvorrichtung für ein Kraftfahrzeug, Kraftfahrzeug und Verfahren zum Betrieb eines Kraftfahrzeugs
WO2016062384A1 (fr) 2014-10-24 2016-04-28 Audi Ag Dispositif d'entraînement pour un véhicule à moteur, véhicule à moteur et procédé permettant de faire fonctionner un véhicule à moteur
US10400877B2 (en) 2014-10-24 2019-09-03 Audi Ag Drive unit for a motor vehicle, motor vehicle, and method for operating a motor vehicle
EP3372430A1 (fr) * 2017-03-08 2018-09-12 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Appareil de réglage de force d'entraînement
CN113217600A (zh) * 2021-06-01 2021-08-06 吉林大学 一种具有转矩矢量分配功能的汽车差速器
CN113217600B (zh) * 2021-06-01 2022-05-06 吉林大学 一种具有转矩矢量分配功能的汽车差速器
CN115356023A (zh) * 2022-08-19 2022-11-18 郑州机械研究所有限公司 一种扭矩测试装置

Also Published As

Publication number Publication date
DE112005001821A5 (de) 2008-06-26
DE112005001821B4 (de) 2021-07-29

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