• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a planetary gear (4) with a sun gear (6) rotatably mounted about a central axis (12), with at least one first planet gear (7) in meshing engagement with the sun gear (6) and coaxial with the sun wheel (6 ) is in meshing engagement with at least one second planetary gear (8) which meshes with a second ring gear (11) coaxial with the sun gear (6), the first and second planet gears (6, 7 ) are rotatably mounted on a about the central axis (12) rotatably mounted common planetary carrier (9). The first planetary gear (7) is in meshing engagement with the second planetary gear (8).
    公开号:AT511843A4
    申请号:T1284/2011
    申请日:2011-09-08
    公开日:2013-03-15
    发明作者:Helmut Dipl Ing Melde-Tuczai；Stefan Lichtenegger；Dieter Dipl Ing Fh Grillenberger
    申请人:Avl List Gmbh；
    IPC主号:
    专利说明:

    The invention relates to a planetary gear with a rotatably mounted about a central axis sun gear, with at least one sun gear in meshing with the first Platenrad, which is coaxial with the sun gear arranged first ring gear meshing with at least one second planetary, soft with a coaxial arranged to the sun gear second ring gear is in meshing engagement, wherein the first and the second planetary gear are rotatably mounted on a rotatably mounted about the central axis common planet carrier. Furthermore, the invention relates to a planetary gear having drive train for a vehicle.
    Planetary gears are differentiated into plus and minus. Minus transmissions have at least one planet gear, which is arranged between sun gear and ring gear, wherein the direction of rotation of the ring gear is different from the direction of rotation of the sun gear. By contrast, positive transmissions, for example, achieve the same direction of rotation in the ring gear through a second planetary gear between the sun gear and the ring gear as with the sun gear.
    KR 2002-0 007 944 A1 discloses a planetary gear with a driven sun gear, a first planetary gear and a second planetary gear, wherein the two planet gears are arranged on a common planet carrier. The first planet gear acts on a first ring gear and the second planet gear on a housing-fixed second ring gear. The ring gear is connected to a driven shaft.
    The object of the invention is to allow different translations in the simplest possible and space-saving manner.
    According to the invention, this is achieved in that the first planet gear meshes with the second planet gear.
    Preferably, it is provided that the second ring gear has a larger inner diameter than the first ring gear. It can be provided in particular that the axis of rotation of the second planetary gear is further spaced from the axis of rotation of the sun gear than the axis of rotation of the first planetary gear, wherein preferably the axis of rotation of the second planetary gear 2 * 4 · ** * «·« · · «* * * Is arranged between the axis of rotation of the first plane $ 5t4rfrai5e.fiin < i daiTi second ring gear ** ··· «· · # # m φ.
    The sun gear can be connected to a driving or driving off first shaft and the planet carrier with a driving off or driving second shaft. In this case, for example, the planet carrier can be made hollow and within the planet carrier the sun gear or connectable to the sun gear first shaft can be arranged.
    The Pianetengetriebe invention is particularly suitable for use in a drive train for a vehicle, in particular for a hybrid vehicle with an internal combustion engine and at least one electric machine. It can be provided that at least one ring gear rotatably mounted about the central axis, preferably the second ring gear, is drivingly connected to the electric machine, preferably this ring gear is fixedly connected to the rotor of the electric machine or formed integrally with the rotor of the electric machine ,
    At least one ring gear rotatably mounted about the central axis, preferably the first ring gear, may be connected to a preferably wet-releasing brake. Thus, the first ring gear can be held.
    The sun gear may be drivably connectable to a first shaft connected to an internal combustion engine via a preferably first dry clutch.
    It is particularly advantageous if the planet carrier is rotatably connected via a preferably wet-running second clutch with the second ring gear. The second clutch thus makes it possible, if necessary, to connect or disconnect the planetary gear carrier, which is preferably connected via a gear intermediate stage with an abortive second shaft, to the second ring gear.
    The invention will be explained in more detail below with reference to FIG.
    1 shows a drive train with a planetary gear according to the invention, Fig. 2 shows the drive train with combined drive in the first
    Fig. 3 shows the drivetrain in the case of a purely electric drive in first gear, Fig. 5 shows the drivetrain in the case of purely electric gear 6 shows the drive train with torque distribution in first gear, FIG. 7 shows the driveline with torque distribution in second gear, FIG. 8 shows the driveline in recuperative operation in first gear, and FIG. 9 shows the driveline in recuperative operation in second gear ,
    Fig. 1 shows schematically a drive train 1 for a hybrid vehicle with a driven by a not further dargesteliten engine first shaft 2 and an abortive second shaft 3, wherein between the first and second shaft 2, 3, a planetary gear 4 is arranged. The planetary gear 4 has a connected to the first shaft 2 via an example dry first clutch 5 sun gear 6, first planetary gears 7 and second planetary gears 8, which are rotatably mounted on a planet carrier 9, and a first ring gear 10 and a second ring gear 11. Sun gear 6, planet carrier 9 and the two ring gears 10, 11 are rotatably mounted about a central axis 12.
    The first ring gear 10 in this case has a smaller inner diameter di, as the second ring gear 11, whose diameter is denoted by d2. The first planetary gears 7, 8 are in meshing engagement with the sun gear 6 and with the inner first ring gear 10, respectively. The second planetary gears 7, 8 in turn are in meshing engagement with the first planet gears 7 and the outer second ring gear 11, respectively.
    The first ring gear 10 can be held by a brake 13. About eihe second clutch 14 can be a rotary connection of the second ring gear 11 with the planet carrier 9 produce. The brake 13 and the second clutch 14 are preferably made wet. i
    The second ring gear 11 can further be driven by an electric machine 15. In the example, for the rotor 16 of the electric machine 15 is fixedly connected to the second ring gear 11 or carried out integrally therewith.
    The planet carrier 9 is fixedly connected to the hollow shaft 17 which surrounds the first shaft 2 designed as a torsion shaft and which has a downstream one
    Transmission intermediate stage 18 and a Getrjebffin ^ lStiffe 19 eäej · a transfer case ···· * p ··· »·· is drive-connected with drive wheels.
    With the drive train 1, the operating modes described below can be realized. In FIGS. 2 to 9, the torque fluxes are respectively indicated by arrows MiC,
    Mem indicated, in each case with Μκ the torque flow of the internal combustion engine and MEm of the torque flux of the electric machine is designated.
    In the first gear, the torque Mrc can be brought from the internal combustion engine via the first shaft 2 to the closed first clutch 5 and passed through the sun gear 6 in the planet carrier 9. The smaller first ring gear 10 is held by the brake 13 and the first planetary gears 7 move the planet carrier 9, whereby the torque Mrc is passed through the downstream intermediate gear 18 and optionally a differential gear having Getriebefinalstufe I9in the drive wheels of the vehicle not shown. Via the second ring gear 11, the torque MEm of the electric machine 15 can be introduced into the planet carrier 9. The wet second clutch 14 is open (see Fig. 2).
    In the second gear, the torque MIC can be brought from the internal combustion engine via the first shaft 2 to the closed first clutch 5 and passed through the sun gear 6 in the planet carrier 9. The brake 13 is open. The smaller first ring gear 10 is thus no longer held by the open brake 13 and the planetary gears 7, 8 move the second ring gear 11. By the closed second clutch 14, a direct rotational connection between the planet carrier 9 and the second ring gear 11 is produced , the torque MiC via the planet carrier 9, the downstream intermediate transmission stage 18 and the transmission gearbox having a differential gear 19 is passed into the non-illustrated drive wheels of the vehicle. Via the second ring gear 11, the torque MEm of the electric machine 15 can be introduced into the planet carrier 9. The wet second clutch 14 is closed and the brake 13 is opened (FIG. 3). The transmitted torque is lower in second gear than in first gear.
    In each gear, additional torque Mem may be introduced from the electric machine 15 to the drive, or torque Mem may be applied to the electric machine 15 for braking or for power generation. The second <-> -> «# · t" ·
    Ring gear 11 additionally driven by the electric machine 15 (Fig. 2, 3) or delayed by this (Fig. 5, 7) by the electric machine 15 is operated as a generator.
    After opening the first clutch 5, purely electric drive via the electric machine 15 (Fig. 4, 5) is possible.
    In the case of the purely electric drive in 1st gear transmits torque MEm of the electric machine 15 via the second ring gear 11 in the planet carrier 9. The wet second clutch 14 is opened and the brake 13 is closed. Via the intermediate gear stage 18, the torque MEm is conducted into the gearbox final stage 19 (FIG. 4).
    In the case of the purely electric drive in 2nd gear reaches torque MEm of the electric machine 15 via the second ring gear 11 in the planet carrier 9. The wet second clutch 14 is closed and the brake 13 is opened. Via the intermediate stage 18, the torque MEm is conducted into the gearbox final stage 19 (FIG. 5).
    A division of the torque MEm of the internal combustion engine between the vehicle drive and the drive of the generator-operated electric machine 15 for charging a battery not shown in 1 l.Gang by the torque MEm brought from the engine via the first shaft 2 to the closed clutch 5 is and is passed over the Sonnenrac) 6 in the planet carrier 9. The smaller first ring gear 10 is held by the brake 13, the first planetary gear 7 thus moves the Planetenträgeir 9 via the intermediate gear 18 passes on the one hand a part of the torque Mem in the Getriebefinalstufe 19 with the differential gear in the drive wheels of the vehicle and on the other hand, the other part via the second Hohlradll in the electric machine 15, which now acts as a generator. The wet second clutch 14 is open (FIG. 6).
    In second gear, the torque split between vehicle drive and charging the battery is carried out by the torque Mem of the engine is brought via the first shaft 2 to the closed clutch 5 and is passed through the sun gear 6 in the planet carrier 9. The smaller first ring gear 6 10 no longer moves from the brake 13 and the second ring gear 11 moves connected to the planet carrier 9. About the intermediate gear stage 18 enters a portion of the torque in the Getriebefinalstufe 19 with the differential in the drive wheels of the vehicle and the other part via the second ring gear 11 in the electric machine 15, which now acts as a generator. The wet second clutch 14 is closed and the brake 13 is opened (FIG. 7).
    When charging the battery through the vehicle, the path of torque reverses. In the first gear, the torque passes from the drive wheels via the Getriebefinalstufe 19 in the intermediate gear 8 and from there into the planet carrier 9. About the second ring gear 11, the electric machine 15 is driven and now acts as a generator. The wet second clutch 14 is open and the brake 13 is closed (FIG. 8)
    When charging the battery by the vehicle in the second gear, the torque passes from the drive wheels via the Getriebefinalstufe 19 in the intermediate gear 18 and from there into the planet carrier 9. About the second ring gear 11, the electric machine 15 is driven and now acts as a generator. The wet second clutch 14 is closed and the brake 13 is opened (FIG. 9).
    权利要求:
    Claims (9)
    [1]
    7 PATENTiÄSi / u 1. Pianetengetriebe (4) with a about a central axis (12) rotatably mounted sun gear (6), with at least one with the sun gear (6) meshing with the first planetary gear (7) which is coaxial with the sun gear (6) arranged first ring gear (10) is in meshing engagement with at least one second planet gear (8) which is in mesh with a coaxial with the sun gear (6) arranged second ring gear (11), wherein the first and the second planet gear (6 , 7) are rotatably mounted on a common planetary carrier (9) rotatably mounted about the central axis (12), characterized in that the first planetary gear (7) meshes with the second planetary gear (8).
    [2]
    2. Planetary gear (4) according to claim 1, characterized in that the second ring gear (11) has a larger inner diameter (d2) than the first ring gear (10).
    [3]
    3. planetary gear (4) according to claim 1 or 2, characterized in that the axis of rotation (8 ') of the second planetary gear (8) further from the central axis (12) is spaced as the axis of rotation (7') of the first planetary gear (7 ), wherein preferably the axis of rotation (8 ') of the second planetary gear (8) between the axis of rotation (7') of the first planetary gear (7) and the second ring gear (11) is arranged.
    [4]
    4. planetary gear (4) according to one of claims 1 to 3, characterized in that the sun gear (6) with a driving or abstreibenden first shaft (2) and the planet carrier (9) with a abbeziehungsweise driving second shaft (3) connectable is.
    [5]
    5. powertrain (1) for a vehicle, comprising a planetary gear (4) according to claim 1, characterized in that at least one ring gear rotatably mounted about a central axis (12), preferably the second ring gear (11) an electric machine (15) is drivingly connected, wherein preferably this ring gear (11) with the rotor (16) of the electric machine (15) fixedly connected or integral with the rotor (16) of the electric machine (15) is formed. 8 * · ♦ * * * ft «« »« ········ ftft · · ·
    [6]
    6. drivetrain (1) according to claim 1, characterized *** in that at least one ring gear rotatably mounted about the central axis (12), preferably the first ring gear (10), is connected to a preferably wet-running brake (13).
    [7]
    7. powertrain (1) according to claim 5 or 6, characterized in that the sun gear (6) via a preferably dry-running first clutch (5) with a connected to an internal combustion engine first shaft (1) is drive-connected.
    [8]
    8. Drive train (1) according to one of claims 5 to 7, characterized in that the planet carrier (9) via a preferably wet-running second clutch (14) with the second ring gear (11) is rotatably connected.
    [9]
    9. Drive train (1) according to one of claims 5 to 8, characterized in that the planet carrier (9), preferably via a transmission intermediate stage (18), is drivingly connected to a driven-off second shaft (3). 2011 09 08 Fu / St

    Patent Attorney Dipi.-Ing, Mag. Michael Bab A-115Ü Vienna, Tel: &lt; +43 1J 532 äs 33 0 far
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    同族专利:
    公开号 | 公开日
    AT511843B1|2013-03-15|
    WO2013034538A1|2013-03-14|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    EP1426223A2|2002-12-04|2004-06-09|Nissan Motor Company, Limited|Hybrid Transmission|
    KR20020007944A|2000-08-22|2002-01-29|김석윤|High ratio differential planetary gear reducer|
    DE102006037576A1|2006-08-11|2008-04-10|Daimler Ag|Auxiliary drive for a motor vehicle|
    DE102008052009A1|2008-10-10|2010-04-15|Dr.Ing.H.C.F.Porsche Aktiengesellschaft|Machine unit for parallel-hybrid-vehicle, has drive head arranged between engine and manual transmission and including planetary transmission, which includes circuit element i.e. brake, for braking or blocking auxiliary transmission inlet|
    FR2952590B1|2009-11-16|2012-01-13|Pierre Guy Tosi|GEARBOX WITH PLANETARY TRANSMISSIONS|WO2014086680A1|2012-12-06|2014-06-12|Magna Powertrain Ag & Co Kg|Hybrid drive system|
    JP6263889B2|2013-07-23|2018-01-24|トヨタ自動車株式会社|Hybrid vehicle drive device|
    JP5942228B2|2013-11-22|2016-06-29|ジヤトコ株式会社|Automatic transmission|
    FR3021592B1|2014-05-27|2016-06-10|Punch Powerglide Strasbourg|AUTOMATIC TRANSMISSION FOR HYBRID VEHICLE|
    FR3026062B1|2014-09-24|2016-10-28|Punch Powerglide Strasbourg|AUTOMATIC TRANSMISSION FOR THERMAL / ELECTRIC HYBRID VEHICLE|
    FR3039243B1|2015-07-20|2019-05-17|IFP Energies Nouvelles|HYBRID VEHICLE COMPRISING TORQUE BREAKING TO SINGLE PROPULSION MODE CHANGES|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    ATA1284/2011A|AT511843B1|2011-09-08|2011-09-08|PLANETARY GEAR|ATA1284/2011A| AT511843B1|2011-09-08|2011-09-08|PLANETARY GEAR|
    PCT/EP2012/067190| WO2013034538A1|2011-09-08|2012-09-04|Planetary gearing and drive train therewith|
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