• 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 transmission (1) with a drive train having a primary drive with a primary drive shaft (16), in particular for a vehicle, with a Ravigneaux planetary gear set (2) with a two sun gear shafts (10, 13), a bridge shaft (18) and a ring gear shaft (12) having double planetary gear, and an upstream, designed as a reduction gear simple planetary gear set (3) with the gear elements sun gear (5a), web (8a) and ring gear (6a), wherein a first of the transmission elements of the simple planetary gear set (2) , in particular the sun gear (5a), is fixed to the housing. In order to achieve high functionality with little effort and space, it is provided that a first sun gear shaft (10) of the Ravigneaux planetary gearset (2) permanently with a second transmission element of the simple planetary gear set (3), preferably with the web (8 a) of the simple Planet set (3), is drive connected.
    公开号:AT512929A4
    申请号:T50463/2012
    申请日:2012-10-22
    公开日:2013-12-15
    发明作者:Konstantin Dipl Ing Erjawetz
    申请人:Avl List Gmbh；
    IPC主号:
    专利说明:

    [10: 2012750463 56504
    The invention relates to a transmission with a prime mover with a primary drive shaft having drive train, in particular for a vehicle, with a Ravigneaux Pianetensatz with a two Sonnenradwellen, a ridge and a ring gear having double planetary gear, and an upstream, designed as a reduction gear simple planetary gear set with the Gear elements sun gear, web and ring gear, wherein a first of the transmission elements of the simple planetary gear set is fixed to the housing. Furthermore, the invention relates to a method for operating the transmission.
    A transmission of the type mentioned is known from US 5,106,352 A. Such so-called Lepelletier gearboxes are used, for example, in automatic transmissions of vehicles and represent a further development of the so-called Ravigneaux set - a double planetary gear -. The Lepelletier set is created by a Ravigneaux sentence preceded by a simpler planetary gear set and connected with clutches. The ring gear of the simple planetary gear set is permanently connected to the motor drive shaft. This means that even at idle the simple planetary gear is always rotated. The output takes place via the ring gear of the Ravigneaux set and is connected via the differential with the drive wheels. The sun gear of the simple planetary gearset is permanently blocked. The disadvantage is that a large number of clutches and brakes, as well as for starting separate starting devices, such as hydrodynamic torque converter or the like, are required.
    DE 10 2004 053 044 A1 discloses a transmission for a hybrid drive with a double planetary gear set and a simple planetary gear set, each sun gear shaft of the double planetary gearset being drive-connected to one electric machine each.
    The object of the invention is to avoid the disadvantages mentioned and to achieve high functionality in a transmission of the type mentioned with little effort and space.
    According to the invention this is achieved in that a first sun gear of the Ravigneaux planetary gear set permanently with a second gear element of the simple planetary gear set, preferably with a web of simple 2
    Planet set, is drive connected. The simple planetary gearset forms a reduction gear and is preferably designed as a negative gear. Minus transmissions are planetary gears in which - with a locked shaft - the two lateral shafts rotate in different directions of rotation.
    In this case, at least one element of the Ravigneaux planetary gear set, preferably the ridge shaft, can be drive-connected to the primary drive - for example an internal combustion engine, in particular via a first clutch device. The same element of the Ravigneaux planetary gear set can alternatively, preferably permanently, be drive-connected to a drive machine formed for example by an electric machine.
    A very compact design can be achieved if the Ravigneaux planetary gear set and / or the simple planetary gear set is disposed within a rotor of the primary secondary drive.
    On the one hand to enable a stepless power-split operating range and on the other hand three speed ratios for combined drive and purely electric drive, the transmission requires only a single braking device for blocking a sun gear of the Ravigneaux planetary gear set and three coupling devices. In this case, a first coupling device between the primary drive shaft and the Stegweile the Ravigneoux planetary gear set, a second clutch device between the two Sonnenradwellen the Ravigneaux planetary gear set and a third clutch means between the gear input shaft and the ridge shaft of the Ravigneaux planetary gear set.
    In the infinitely power-split operating range, only the first clutch device is activated - ie closed - while the other coupling devices, as well as the brake device are deactivated - that is, they are open. In the infinitely power-driven operating range, the primary drive can be operated stationary or the secondary drive as a generator or motor. , bfitrieben-werderw With steplessly power-split start-up, current can be generated during start-up - up to a certain limit speed. Furthermore, a continuous electrodynamic starting is possible. A separate starting element, such as a hydrodynamic torque converter, can
    Printed: 23-10-2012 E014 10 2012/50463 3 omitted. The first coupling device has only separating or
    Connection function and does not serve as a startup clutch. At least one gear stage operating range, the brake device, the second clutch device or the third clutch device are activated.
    The changeover from the continuously split-power operating range to one of the three speed ranges (gears) can be done during the ferry operation. During operation in one of the three shiftable gears, the secondary operation can optionally be operated as a generator or as a motor to provide hybrid functionality such as " boost " (Supporting the drive torque of the prime mover), " recuperation ", " load point shift " or " sailing " perform. In all gears an electromotive torque application can take place. During the Rekuperierens a very high efficiency can be achieved because between the output and the electric machine little losses (only idling losses) occur.
    In comparison to known Lepelletier transmissions results in a significant reduction in Kuppiungs- and braking devices.
    The invention will be explained in more detail below with reference to FIG.
    1 shows a transmission according to the invention, FIG. 2 shows a speed-ladder diagram and FIG. 3 shows a switching matrix of the transmission.
    The transmission 1 has a Ravigneaux planetary gearset 2 with an upstream simple planetary gearset 3, wherein the simple planetary gearset 3 is designed as a Reduzierpianetensatz formed by a minus gear.
    The Ravigneaux planetary gearset 2, essentially formed by a double planetary gearset, has a first and a second sun gear 10a, 13a, which are connected to corresponding first and second sun gear shafts 10, 13, and a ring gear 12a which is connected to a ring gear shaft 12. A set of first Planetenräder_.18a meshes with the ring gear 12a and the second sun gear 13a.
    A set of second sun gears 18b mesh with the harvested sun gear 10a and the first planet gears 18a.
    Printed: 23-10-2012 E014 10 2012/50463 4
    The simple planetary gearset 3 has a permanently coupled to the housing 4 of the transmission 1 first differential shaft 5 of the sun gear 5a. The second differential shaft 6 of the ring gear 6a of the simple planetary gearset 2 is permanently rotatably connected to the gear input shaft 7. The sum shaft 8 of the web 8a of the simple planetary gear set 3 is permanently connected to the first sun gear shaft 10 of the Ravigneaux planetary gear set 2 via a first gear shaft 9. The output is via a transmission output shaft 11, which is permanently rotatably connected to a ring gear 12 of the Ravigneaux planetary gear set 2 in combination. The second sun gear shaft 13 of the Ravigneaux planetary gear set 2 is rotatably connected to a second transmission shaft 14 in connection. The first and second transmission shafts 9, 14, and the Getriebeantriebs- and output shafts 7, 11 may be designed as a coaxially formed central shafts.
    The transmission input shaft 7 can be drive-connected via a first clutch device 15 and a primary drive shaft 16 to a primary drive (not shown). The prime mover may be, for example, an internal combustion engine.
    A second coupling device 17 makes it possible to connect the first and second gear shaft 9, 14, that is, the two sun gear shafts 10, 13 of the Ravigneaux planetary gear set 2. The web shaft 18 can be rotatably connected to the transmission input shaft 7 via a third clutch device 19. Furthermore, the second sun gear shaft 13 of the Ravigneaux planetary gear set 2 or the second gear shaft 14 can be blocked via a brake device 20.
    The rotor of the secondary drive 21 formed by an electric machine is permanently connected to the ridge shaft 18 of the Ravigneaux planetary gear set 2.
    FIG. 2 shows the possible operating modes of the transmission 1 shown in FIG. 1 on the basis of a ladder diagram for the rotational speeds n with the input rotational speed n 1 of the primary drive.
    By activating the second or third clutch device 17, 19 or the brake device 20, three forward gears gl, g2, g3 can be switched. The first coupling device 15 is used to disconnect the prime mover and is only
    (i02Ö1 ^ 504 | 3 deactivated, if the drive is taken over by the secondary drive only or if no drive is made.
    If none of the coupling or braking devices 17,19, 20 is activated, the drive train can be operated in a continuously power-split operating range by advantageously the stationary drive is operated stationary and the secondary drive 21 in a first operating range bl regenerated and operated in a second operating range b2 motor becomes. As a result, a continuous electrodynamic starting is possible, whereby a separate starting element such as a hydrodynamic torque converter or a starting clutch can be omitted. The switchover from the continuously split-mode operation into one of the three shiftable gears gl, g2, g3 can take place while driving. During operation in one of the three switchable speeds g1, g2, g3, the secondary mode can optionally be operated as a generator or as a motor, in order to use hybrid functionalities such as " boost ", recuperation ", " load point shift " or " sailing " to enable.
    FIG. 3 shows a switching matrix of the coupling devices 15, 17, 19 and the braking device 20 for the operating modes shown in FIG. 2, wherein a " X " represents the activated state of the corresponding coupling devices 15, 17, 19 or braking device 20. The operating modes (gear stages) el, e2 and e3 for pure secondary operation are equivalent to the operating modes (gear stages) gl, g2 and g3 for combined drive and may be both forward and reverse gears.
    The terms " primary " and " secondary " in primary and secondary drive are used here weitungsfrei and only to distinguish the drives. Both the primary drive, as well as the secondary drive can be designed as a main or predominantly used standard or main drive for the vehicle, the respective other drive can be designed as a temporary switchable auxiliary drive. It is equally possible to carry out both drives equally and - possibly alternately - to use both as a standard or main drive, and also as an auxiliary drive. Furthermore, a common equivalent use of the two drives in the switching ranges gl, g2, g3 is possible.
    权利要求:
    Claims (18)
    [1]
    10 20112/50463 AI 6 PATE CLAIMS 1. Transmission (1) having a prime mover with a primary drive shaft (16) having a powertrain, in particular for a vehicle, with a Ravigneaux planetary gear set (2) with a two sun gear shafts (10, 13) , a ridge shaft (18) and a ring gear (12) having double planetary gear, and an upstream, designed as a reduction gear simple planetary gear set (3) with the gear elements sun gear (5a), web (8a) and ring gear (6a), wherein a first of the Transmission elements of the simple planetary gear set (2), in particular the sun gear (5a), is fixed to the housing, characterized in that a first sun gear (10) of the Ravigneaux planetary gear set (2) permanently with a second gear element of the simple planetary gear set (3), preferably with the web (8 a) of the simple planetary gear set (3) is drivingly connected.
    [2]
    2. Transmission (1) according to claim 1, characterized in that at least one element of the Ravigneaux planetary gear set (2), preferably the web shaft (18), is drive-connected to the primary drive.
    [3]
    3. Transmission (1) according to claim 1 or 2, characterized in that the primary drive is formed by an internal combustion engine.
    [4]
    4. gearbox (1) according to one of claims 1 to 3, characterized in that at least one element of the Ravigneaux planetary gear set (2), preferably the web shaft (18), particularly preferably permanently, with a secondary drive (21) is drivingly connected.
    [5]
    5. Transmission (1) according to claim 4, characterized in that the secondary drive (21) is formed by an electric machine.
    [6]
    6. Transmission (1) according to one of claims 1 to 5, characterized in that the simple planetary gear set (3) is designed as a reduction gear and / or as a minus gear.

    mmm
    [7]
    7, transmission (L) according to one of claims 1 to 6, characterized in that the Ravigneaux planetary gear set (2) and / or the simple planetary gear set (3) within a rotor of the primary or secondary drive (21) is arranged.
    [8]
    8. Transmission (L) according to one of claims 1 to 7, characterized in that the primary drive shaft (16) and a transmission input shaft (7) by means of a first coupling means (15) are drehverbindbar.
    [9]
    9. transmission (L) according to one of claims 1 to 8, characterized in that the two sun gear shafts (10, 13) of the Ravigneaux planetary gear set (2) by means of a second coupling means (17) are drehverbindbar.
    [10]
    10. Transmission (1) according to one of claims 1 to 9, characterized in that the gear drive shaft (7) and the web shaft (18) of the Ravigneaux planetary gear set (2) by means of a third coupling means (19) are drehverbindbar.
    [11]
    11. Transmission (1) according to one of claims 1 to 10, characterized in that a second sun gear (13) via a brake device (20) is blockable.
    [12]
    12. A method for operating a transmission (1) according to any one of claims 8 to 11, characterized in that in a continuously power-split operating range (bl, b2), only the first clutch means (15) is activated, and that in at least one gear stage operating range (gl , g2, g3, el, e2, e3) the brake device (20), the second clutch device (17) or the third clutch device (19) is activated.
    [13]
    13. The method according to claim 12, characterized in that in the continuously power-split operating range (bl, b2) of the prime mover and the secondary drive (21) are activated, preferably the stationary drive stationary, and the secondary drive (21) are operated by a motor or generator.
    [14]
    14. The method according to claim 12 or 13, characterized in that in at least one Gangstufenbetriebsbereich (gl, g2, g3) of the prime mover [ίΐϋ $ ϋ§463 δ is transiently operated and the secondary drive (21) is operated by a motor or generator.
    [15]
    15. The method according to any one of claims 12 to 14, characterized in that in at least one gear stage operating range (el, e2, e3) of the primary drive is deactivated and the secondary drive (21) is operated by a motor or generator.
    [16]
    16. The method according to any one of claims 12 to 15, characterized in that in a first gear stage operating range (gl; el), the braking device (20) is activated.
    [17]
    17. The method according to any one of claims 12 to 16, characterized in that in a second gear stage operating range (g2, e2), the third Kuppiungseinrichtung (19) is activated.
    [18]
    18. The method according to any one of claims 12 to 17, characterized in that in a third gear stage operating range (g3, e3), the second coupling means (17) is activated. 2012 10 22 feet
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    同族专利:
    公开号 | 公开日
    DE102013110710A1|2014-04-24|
    AT512929B1|2013-12-15|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE102005007688A1|2005-02-19|2006-08-31|Volkswagen Ag|Automatic gearbox, for a motor vehicle, has an additional gear selection switch for a direct coupling between the input and output shafts for a fifth gear|
    US20070275808A1|2006-05-25|2007-11-29|Aisin Aw Co., Ltd.|Hybrid drive device|
    FR2656055B1|1989-12-18|1994-04-29|Lepelletier Pierre|MULTI-SPEED AUTOMATIC TRANSMISSION FOR MOTOR VEHICLE.|
    DE102004053044A1|2004-11-03|2006-05-04|Daimlerchrysler Ag|Transmission for a hybrid drive|DE102014212005A1|2014-06-23|2015-12-24|Zf Friedrichshafen Ag|Reversible axle drive|
    DE102015208581A1|2015-05-08|2016-11-10|Zf Friedrichshafen Ag|Transmission for a motor vehicle|
    KR20180062638A|2016-12-01|2018-06-11|현대자동차주식회사|Hybrid powertrain for vehicle|
    CN109017266A|2018-07-24|2018-12-18|浙江吉利控股集团有限公司|Hybrid gearbox and the automobile for using the speed changer|
    CN111412253B|2020-04-13|2021-07-23|四川铭宏芯瑞科技有限公司|Automatic gear shifting transmission without cutting off power|
    法律状态:
    2021-06-15| MM01| Lapse because of not paying annual fees|Effective date: 20201022 |
    优先权:
    申请号 | 申请日 | 专利标题
    ATA50463/2012A|AT512929B1|2012-10-22|2012-10-22|transmission|ATA50463/2012A| AT512929B1|2012-10-22|2012-10-22|transmission|
    DE201310110710| DE102013110710A1|2012-10-22|2013-09-27|Gearbox i.e. double planetary gearbox, for vehicle, has simple planetary gearset whose sun wheel is fixed to housing, and ravigneaux planetary gearset whose sun gear shaft is fixed to bar of simple planetary gearset|
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