EP2923115A1 - Boîte de vitesses à trains planétaires à 10 rapports - Google Patents
Boîte de vitesses à trains planétaires à 10 rapportsInfo
- Publication number
- EP2923115A1 EP2923115A1 EP13782710.1A EP13782710A EP2923115A1 EP 2923115 A1 EP2923115 A1 EP 2923115A1 EP 13782710 A EP13782710 A EP 13782710A EP 2923115 A1 EP2923115 A1 EP 2923115A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- clutch
- gear
- planetary gear
- closed
- gear set
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/0008—Transmissions for multiple ratios specially adapted for front-wheel-driven 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
- F16H2200/0069—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising ten 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
- F16H2200/201—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
- F16H2200/2046—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with six engaging means
-
- 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
- F16H2200/2094—Transmissions using gears with orbital motion using positive clutches, e.g. dog clutches
Definitions
- Two elements are in particular referred to as connected to each other if there is a fixed, in particular rotationally fixed connection between the elements. In particular, such connected elements rotate at the same speed.
- Two elements are hereinafter referred to as connectable if there is a releasable rotationally fixed connection between these elements.
- connectable if there is a releasable rotationally fixed connection between these elements.
- such elements rotate when the connection is at the same speed.
- the various components and elements of said invention can be connected to each other via a shaft or a connecting element, but also directly, for example by means of a welding, pressing or other connection.
- the six shifting elements particularly preferably comprise a first brake, a second brake, a first clutch, a second clutch, a third clutch and a fourth clutch.
- a non-actuated clutch is understood to mean an opened clutch. This means that a relative movement between the two components is possible.
- the clutch is actuated or closed, the two components accordingly rotate at the same speed in the same direction.
- the transmission comprises a first planetary gear set, a second planetary gear set and a third planetary gear set.
- a minus planetary gear a single planetary gear set with a planet carrier to which the planet gears are rotatably mounted, with a sun gear and a ring gear, wherein the teeth of at least one of the planetary gears both with the teeth of the sun gear, as well as with the teeth of Ring gear meshes, whereby the ring gear and the sun gear rotate in opposite directions of rotation when the sun gear rotates at a fixed planet carrier.
- a plus planetary gear set differs from the negative planetary gear set just described in that the plus planetary gear set has inner and outer planetary gears rotatably supported on the planetary carrier.
- the toothing of the inner planet gears meshes on the one hand with the teeth of the sun gear and on the other hand with the teeth of the outer planetary gears.
- the toothing of the outer planetary gears also meshes with the teeth of the ring gear.
- planetary gear sets particularly compact gear can be realized, whereby a large freedom in the arrangement of the transmission is achieved in the vehicle.
- the elements of a planetary gear set are understood in particular to mean the sun gear, the ring gear, the planet carrier and the planet wheels of the planetary gear set.
- the switching elements are selectively, ie individually and as needed operable, whereby ten forward gears and one reverse gear can be realized by different gear ratios between the drive shaft and the output shaft. Due to the numerous gears, it is possible to realize a fine gear ratio with a large gear spread and thus, for example, the internal combustion engine in an optimal speed range and thus operate economically. At the same time this contributes to an increase in ride comfort, since the internal combustion engine is preferably operable at a low speed level. Thus, for example, noise emissions are reduced, which arise due to the operation of the internal combustion engine.
- the drive shaft and the output shaft are mutually axially offset. This leads, for example, to a particularly small axial space requirement of the transmission.
- the transmission is particularly suitable for use in a vehicle with a front-transverse arrangement of the drive train.
- the drive source such as an internal combustion engine
- the drive source is installed transversely to the direction of travel in the vehicle and preferably the wheels of the front axle are driven by the drive source or the transmission.
- the drive shaft is connectable via the first clutch to the sun gear of the third planetary gear set and to the second brake. More preferably, the drive shaft via the second clutch to the planet carrier of the third planetary gear set is connectable, wherein the planet carrier of the third planetary gear set is further connectable to the first brake.
- the three planetary gear sets starting at the transmission input in the order of the first planetary gear set, second planetary gear set, third planetary gear set are arranged coaxially to the drive shaft.
- the switching elements are particularly preferably arranged so that they are easily accessible from the outside.
- the efficiency of the transmission can preferably be increased by requiring energy in the switching elements for changing the switching state, but not for maintaining the switching state itself.
- switching elements which can be actuated according to demand such as electromechanical switching elements or electromagnetic switching elements, are particularly suitable. They are characterized, in particular in comparison to conventionally hydraulically actuated switching elements, by a particularly low and efficient energy requirements, since they are virtually lossless operable.
- it can advantageously be dispensed with in the above solution, permanently maintain a control pressure for the operation of, for example, conventionally hydraulic switching elements, or to act on the switching element in the switched state permanently with the required hydraulic pressure.
- further components such as a hydraulic pump can be dispensed with, as far as these are excluded.
- a transmission input describes a location of a transmission on which torque is introduced from the drive source into the transmission during driving operation.
- a transmission output is to be understood as a location of the transmission at which the torque, taking into account the corresponding transmission ratios, is introduced, for example, into a transfer case or transmitted to drive shafts of the vehicle.
- the transmission is particularly preferred for use in vehicles with a front-transverse arrangement of the drive train, since a small axial space is claimed by the axially offset arrangement of the drive shaft and the output shaft.
- a small axial space is claimed by the axially offset arrangement of the drive shaft and the output shaft.
- this is of particular importance, since the available space for the drive source and the transmission is limited in a special way by the vehicle width.
- further drive train arrangements are conceivable, for example in rear-wheel drive vehicles.
- the fact that the individual planetary gear sets and switching elements can be nested in one another in this arrangement also contributes to a particularly space-saving embodiment.
- the space-saving arrangement can be realized, since, for example, the different waves do not intersect in said arrangement.
- At least each of a spur gear of the first spur gear and a spur gear of the second spur gear is arranged coaxially with the drive shaft.
- a spur gear is a single or multi-stage spur gear with at least two spur gears, which are engaged with each other.
- the respective shafts of the spur gears or the axes of rotation of the shafts and spur gears are arranged parallel to one another.
- the state ratio indicates the ratio between the sun and ring gear when the planet carrier is fixed.
- all elements of the first planetary gear set, the second planetary gear set and the third planetary gear set are rotatable. This means that there is no permanent connection between the elements of the planetary gear sets and a stationary element, for example the housing, but a connection can be produced selectively by actuating the switching elements. A blocking of the individual elements of the planetary gear sets is exclusively produced by actuation of the respective switching elements. This also contributes advantageously to the fact that a high number of gears can be realized by means of a small number of planetary gearsets.
- the first clutch, the second clutch, the third clutch, the first brake and the second brake are arranged coaxially with the drive shaft.
- the fourth clutch is preferably coaxial with the exhaust arranged drive shaft.
- first clutch, the second clutch, the first brake and the second brake are arranged coaxially with the drive shaft.
- the third clutch and the fourth clutch are preferably arranged coaxially with the output shaft. This arrangement also has a particularly low space requirement.
- first clutch, the second clutch, the third clutch, the fourth clutch, the first brake and the second brake are arranged coaxially with the drive shaft.
- elements of Pianetenradsatzes can be nested well together and thus again results in a low space requirement.
- the drive shaft via the second clutch with the ring gear of the second Pianetenradsatzes is connectable. More preferably, the drive shaft via the third clutch to the sun gear of the first Pianetenradsatzes connectable.
- the planet carrier of the first Pianetenradsatzes is connected to a first spur gear and the first spur gear further to the output shaft. More preferably, the planet carrier of the second Pianetenradsatzes is connected to the ring gear of the first Pianetenradsatzes.
- the sun gear of the second Pianetenradsatzes is preferably connected to the ring gear of the third Pianetenradsatzes and with a second spur gear, wherein the second spur gear via the fourth clutch to the output shaft is connectable.
- the drive shaft is connected to the sun gear of the first Pianetenradsatzes and connectable via the second clutch with the ring gear of the second Pianetenradsatzes.
- the planet carrier of the first Pianetenradsatzes is preferably connected via the third clutch with a first spur gear, wherein the second spur gear is further connected to the output shaft.
- the planet carrier of the second planetary gear set is connected to the ring gear of the first planetary gear set.
- the sun gear of the second planetary gear set is preferably connected to the ring gear of the third planetary gear set and a second spur gear, wherein the second spur gear via the fourth clutch to the output shaft is connectable.
- the drive shaft is connected to the sun gear of the first planetary gear set and connectable via the second clutch with the ring gear of the second planetary gear set.
- the planet carrier of the first planetary gear set is preferably connected to a first spur gear, wherein the first spur gear via the third clutch to the output shaft is connectable. More preferably, the planet carrier of the second planetary gear set is connected to the ring gear of the first planetary gear set.
- the sun gear of the second planetary gear set is preferably connected to the ring gear of the third planetary gear set and a second spur gear, wherein the second spur gear via the fourth clutch to the output shaft is connectable.
- the drive shaft via the second clutch with the ring gear of the second planetary gear set is connected and connected to the sun gear of the first planetary gear set.
- the planet carrier of the first planetary gear set with a first spur gear and the first spur gear is further connected to the output shaft.
- the planet carrier of the second planetary gear set is preferably connectable via the third clutch with the ring gear of the first planetary gear set.
- the sun gear of the second planetary gear set is connected to the ring gear of the third planetary gear set and a second spur gear, wherein the second spur gear via the fourth clutch to the output shaft is connectable.
- the drive shaft via the second clutch and the third clutch with the ring gear of the second planetary gear set is connectable. More preferably, the drive shaft is connected to the sun gear of the first planetary gear set.
- the planet carrier of the first planetary gear set is preferably further connected to a first spur gear and the first spur gear to the output shaft. More preferably, the planet carrier of the second planetary gear set is connected to the ring gear of the first planetary gear set.
- the sun gear of the second planetary gear set is preferably connected to the ring gear of the third planetary gear set and a second spur gear, wherein the second spur gear via the fourth clutch to the output shaft is connectable.
- the drive shaft via the second clutch with the ring gear of the second planetary gear set is connectable and connectable via the third clutch with the sun gear of the first planetary gear set.
- the planet carrier of the first planetary gear set is preferably connected to a first spur gear, wherein the first spur gear is further connected to the output shaft. More preferably, the planet carrier of the second planetary gear set is connected to the ring gear of the first planetary gear set.
- the sun gear of the second planetary gear set is preferably connected to the ring gear of the third planetary gear set and connectable via the fourth clutch with a second spur gear, wherein the second spur gear is further connected to the output shaft.
- the first forward gear is represented by the closed first brake, the closed first clutch and the closed third clutch. Due to the closed first brake, the closed second brake and the closed third clutch, the second forward gear is preferred. adjustable.
- the third forward gear is preferably represented by the closed first brake, the closed third clutch and the closed fourth clutch. Due to the closed second brake, the closed third clutch and the closed fourth clutch, the fourth forward gear is particularly preferably represented.
- the fifth forward gear is preferably represented by the closed first clutch, the closed third clutch and the closed fourth clutch. Due to the closed second clutch, the closed third clutch and the closed fourth clutch, the sixth forward gear is preferably displayed.
- the seventh forward gear is preferably represented by the closed first clutch, the closed second clutch and the closed third clutch.
- the closed second brake, the closed second clutch and the closed third clutch preferably the eighth forward speed can be displayed.
- the ninth forward gear is preferably represented by the closed first clutch, the closed second clutch and the closed fourth clutch. Due to the closed second brake, the closed second clutch and the closed fourth clutch, the tenth forward gear is preferably displayed.
- the reverse gear is preferably represented by the closed first brake, the closed first clutch and the closed fourth clutch.
- a method of operating a transmission is proposed.
- preferably ten forward gears can be selected so that in each gear each three switching elements are closed and the other switching elements are open.
- this leads to a low energy consumption of the switching elements, which ultimately has an advantageous effect on the consumption of, for example, fuel in an internal combustion engine as a drive source of the vehicle.
- a gear change to an adjacent higher gear or to an adjacent lower gear is respectively through
- Closing of at least one previously opened and realized by opening at least one previously closed switching element The geometric position of the individual wheelsets and switching elements is freely selectable, as long as it allows the bindability of the elements. This means that the individual elements can be moved as desired in their position in the housing, as long as the individual connecting elements or waves do not intersect.
- All switching elements can basically act in each case frictionally or positively.
- the first brake and the third clutch are particularly suitable for the use of a claw switching element. This leads to a significantly improved efficiency and thus to significant fuel consumption advantages, for example in vehicles with internal combustion engine.
- an electric machine or another power Z power source can additionally be arranged on each shaft or each connecting element.
- a freewheel to the housing or to another shaft can in principle be arranged on each shaft. This results in that the corresponding switching element can be made smaller, since at least part of the torque is absorbed by the freewheel.
- a fourth embodiment of the transmission described in Fig. 1 is shown schematically.
- the embodiment of the transmission shown in Fig. 4 differs significantly from the embodiment described in Fig. 1 in the arrangement of the third clutch K3 ⁇ "The resulting differences in the positioning of the individual components and the respective interfaces will be discussed in more detail below
- Third clutch K3 ' is arranged in the embodiment shown in Fig. 4 between the second planetary PR2 and the third planetary PR3 coaxial with the drive shaft 1.
- the drive shaft 1 is now directly connected to the sun gear S1 of the first planetary PR1.
- Fig. 7 shows a further embodiment of the transmission described in Fig. 1.
- An essential difference of the embodiment shown in Fig. 7 is compared to the embodiment of the transmission shown in Fig. 1 in the arrangement of the fourth clutch K4 '. This is accompanied by deviations in the connections or interfaces, which will be discussed in more detail below.
- the fourth clutch K4 ' is arranged coaxially with the drive shaft 1 between the second spur gear ST2 and the first planetary gearset PR1.
- the sun gear S2 of the second planetary PR2 is further connected via the seventh shaft 7 with the ring gear H3 of the third planetary PR3.
- FIG. 7 shows a further embodiment of the transmission described in Fig. 1.
- FIG. 8 shows in a table a switching matrix of the transmission described in FIGS. 1 to 7.
- An X in the respective field indicates which of the switching elements is closed for the realization of the first to tenth forward gear and the reverse gear.
- the first forward gear can be represented by the closed first brake B1, the closed first clutch K1 and the closed third clutch K3.
- the second forward gear can be represented by the closed first brake B1, the closed second brake B2 and the closed third clutch K3.
- the third forward gear can be represented by the closed first brake B1, the closed third clutch K3 and the closed fourth clutch K4.
- the fourth forward gear can be represented by the closed second brake B2, the closed third clutch K3 and the closed fourth clutch K4.
- the fifth proposal forward gear is represented by the closed first clutch K1, the closed third clutch K3 and the fourth clutch K4 closed.
- the sixth forward gear can be represented by the closed second clutch K2, the closed third clutch K3 and the closed fourth clutch K4.
- the seventh forward gear can be represented by the closed first clutch K1, the closed second clutch K2 and the closed third clutch K3.
- the eighth forward gear can be represented by the closed second brake B2, the closed second clutch K2 and the closed third clutch K3.
- the ninth forward gear can be represented by the closed first clutch K1, the closed second clutch K2 and the closed fourth clutch K4.
- the tenth forward gear can be represented by the closed second brake B2, the closed second clutch K2 and the closed fourth clutch K4.
- the reverse gear can be represented by the closed first brake B1, the closed first clutch K1 and the closed fourth clutch K4.
- the switching states of the alternative embodiments of the third clutch ⁇ 3 ', K3 ", ⁇ 3'", K3 "" are identical to the switching states of the third clutch K3.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
Boîte de vitesses, comprenant un arbre d'entrée (1), un arbre de sortie (2), un carter (G), un premier train planétaire (PR1), un deuxième train planétaire (PR2) et un troisième train planétaire (PR3), six organes de changement de vitesses, comportant un premier frein (B1), un deuxième frein (B2), ainsi qu'un premier embrayage (K1), un deuxième embrayage (K2), un troisième embrayage (K3, K3', K3'', K3''', K3'''', K3''''') et un quatrième embrayage (K4, K4'), les organes de changement de vitesses étant actionnables sélectivement, ce qui permet d'obtenir dix vitesses de marche avant et une vitesse de marche arrière par différents rapports de démultiplication entre l'arbre d'entrée (1) et l'arbre de sortie (2), chaque train planétaire (PR1, PR2, PR3) présentant un pignon solaire (S1, S2, S3), un satellite, un porte-satellites (PT1, PT2, PT3) et une couronne (H1, H2, H3), caractérisée en ce que l'arbre d'entrée (1) et l'arbre de sortie (2) sont disposés en présentant un décalage axial, et en ce que l'arbre d'entrée (1) peut être relié au pignon solaire (S3) du troisième train planétaire (PR3) et au deuxième frein (B2) par l'intermédiaire du premier embrayage (K1) et au porte-satellites (PT3) du troisième train planétaire (PR3) par l'intermédiaire du deuxième embrayage (K2), le porte-satellites (PT3) du troisième train planétaire (PR3) étant également relié au premier frein (B1).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012221236.1A DE102012221236A1 (de) | 2012-11-21 | 2012-11-21 | Getriebe |
PCT/EP2013/072225 WO2014079642A1 (fr) | 2012-11-21 | 2013-10-24 | Boîte de vitesses à trains planétaires à 10 rapports |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2923115A1 true EP2923115A1 (fr) | 2015-09-30 |
Family
ID=49485724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13782710.1A Withdrawn EP2923115A1 (fr) | 2012-11-21 | 2013-10-24 | Boîte de vitesses à trains planétaires à 10 rapports |
Country Status (5)
Country | Link |
---|---|
US (1) | US9951846B2 (fr) |
EP (1) | EP2923115A1 (fr) |
CN (1) | CN104797855B (fr) |
DE (1) | DE102012221236A1 (fr) |
WO (1) | WO2014079642A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6218601B2 (ja) * | 2013-12-26 | 2017-10-25 | アイシン・エィ・ダブリュ株式会社 | 自動変速機の制御装置 |
BE1024420B1 (fr) | 2015-06-12 | 2018-02-19 | Glaxosmithkline Biologicals Sa | Polynucleotides et polypeptides d'adenovirus |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10115983A1 (de) | 2001-03-30 | 2002-10-10 | Zahnradfabrik Friedrichshafen | Mehrstufengetriebe |
US6988972B2 (en) * | 2004-03-24 | 2006-01-24 | General Motors Corporation | Wide ratio transmissions having three planetary gear sets and three brakes |
US7086986B2 (en) | 2004-06-04 | 2006-08-08 | General Motors Corporation | Wide ratio transmissions with two fixed interconnecting members and at least three clutches |
JP4852933B2 (ja) * | 2004-12-28 | 2012-01-11 | トヨタ自動車株式会社 | 車両用多段変速機 |
US7686732B2 (en) * | 2007-02-23 | 2010-03-30 | Gm Global Technology Operations, Inc. | Wide ratio transmissions with multiple gear ratios |
US7828688B2 (en) | 2007-07-09 | 2010-11-09 | Gm Global Technology Operations, Inc. | 10-speed transmission |
DE102007055808A1 (de) * | 2007-12-14 | 2009-06-18 | Zf Friedrichshafen Ag | 10-Gang-Automatgetriebe |
DE102009006587B4 (de) * | 2008-02-01 | 2017-11-30 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Mehrganggetriebe |
US8157697B2 (en) * | 2008-02-21 | 2012-04-17 | GM Global Technology Operations LLC | Ten-speed transmission |
KR100903340B1 (ko) * | 2008-04-24 | 2009-06-16 | 현대자동차주식회사 | 차량용 자동 변속기의 기어 트레인 |
DE102009023046B4 (de) * | 2008-05-30 | 2016-10-13 | Hyundai Motor Company | Automatisch schaltbares Getriebe eines Kraftfahrzeuges |
US20090305837A1 (en) * | 2008-06-09 | 2009-12-10 | Kazuyoshi Hiraiwa | Planetary gear type multi-stage transmission |
US8353803B2 (en) * | 2008-08-07 | 2013-01-15 | Honda Motor Co., Ltd. | Automatic transmission |
JP5138514B2 (ja) * | 2008-09-05 | 2013-02-06 | 本田技研工業株式会社 | 自動変速機 |
US8177675B2 (en) * | 2009-02-13 | 2012-05-15 | GM Global Technology Operations LLC | Multi-speed transmission |
US8454472B2 (en) * | 2010-10-11 | 2013-06-04 | GM Global Technology Operations LLC | Multi-speed transmission with external drive gearsets |
KR101305818B1 (ko) * | 2011-09-21 | 2013-09-06 | 현대자동차주식회사 | 차량용 변속기 |
KR101283035B1 (ko) * | 2011-09-21 | 2013-07-08 | 현대자동차주식회사 | 차량용 변속기 |
-
2012
- 2012-11-21 DE DE102012221236.1A patent/DE102012221236A1/de not_active Withdrawn
-
2013
- 2013-10-24 CN CN201380060233.4A patent/CN104797855B/zh not_active Expired - Fee Related
- 2013-10-24 US US14/646,602 patent/US9951846B2/en not_active Expired - Fee Related
- 2013-10-24 WO PCT/EP2013/072225 patent/WO2014079642A1/fr active Application Filing
- 2013-10-24 EP EP13782710.1A patent/EP2923115A1/fr not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO2014079642A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2014079642A1 (fr) | 2014-05-30 |
CN104797855A (zh) | 2015-07-22 |
DE102012221236A1 (de) | 2014-05-22 |
US9951846B2 (en) | 2018-04-24 |
CN104797855B (zh) | 2017-11-28 |
US20150285341A1 (en) | 2015-10-08 |
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