CN105090394B - A kind of nine speed transmission - Google Patents
A kind of nine speed transmission Download PDFInfo
- Publication number
- CN105090394B CN105090394B CN201510424662.6A CN201510424662A CN105090394B CN 105090394 B CN105090394 B CN 105090394B CN 201510424662 A CN201510424662 A CN 201510424662A CN 105090394 B CN105090394 B CN 105090394B
- Authority
- CN
- China
- Prior art keywords
- gear
- coupling member
- brake
- planet
- epicyclic
- 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.)
- Expired - Fee Related
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
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0065—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising nine 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
- F16H2200/2012—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with four sets of orbital gears
Abstract
The invention provides a kind of nine speed transmission, mainly include input shaft, output shaft, epicyclic gear train, coupling member and torque transmitter, these components are each provided in transmission case body, each epicyclic gear train includes sun gear, planet carrier, planetary gear and gear ring, described torque transmitter includes two clutches and four brakes, two clutches and four brakes are selectively engaged, so that sun gear, planet carrier, some in gear ring or five coupling members rotates or fixed, and wherein torque transmitter can be with the engagement of at least two combining form selectivity, set up between input shaft and output shaft nine forward gears speed than with the fast ratio that reverses gear, nine forward gears include five gears that slow down, one direct gear and three overgears；Speed changer structure provided by the invention is compact, in light weight, small volume, is easily arranged on automobile, and the speed between the gearratio of each gear of speed changer meets the requirement of speed changer than step.
Description
Technical field
The present invention relates to a kind of nine speed transmission, belongs to system of vehicle transmission technical field.
Background technology
Typical multi-speed transmission is realized more using the combination of friction clutch, epicyclic gearing and fixed interconnection
Individual gearratio.The quantity and physics of planetary gearsets are set generally to be provided by encapsulation, cost and desired speed ratio.Although current
Speed changer realizes its expected purpose, but as the popularization of automobile, people need reality to new-type and improvement speed changer configuration
It is continual in matter.
The improvement of speed changer configuration is mainly set about in terms of following two, first, performance, specifically includes the model of gearratio
Enclose, the angle of response and flatness；Second, encapsulation, the mainly size and weight of reduction, when gear determines, realize and fix
The quantity of component needed for gear mutually should determine that the therefore improvement to speed changer mainly improves the performance of speed changer, in speed changer
, can be real to increase speed changer how by improving the annexation of each inter-module in the case that composition component remains unchanged substantially
Existing gear number and gearratio parameter, turn into the difficult point and core of transmissions improved.Chinese invention application " eight shift transmissions " (Shen
Please number：) and Chinese invention application " a kind of wider array of speed changer of slewing ranges of CN201410826601- " CN201410829472
(application number：CN201110094929) disclose a kind of by four planetary gear trains, six torque transmitters and four connections
Eight shift transmissions that component is formed, above-mentioned two speed changer realize eight forward gears speed than and the fast ratio that reverses gear, but presence
The problem of speed is smaller, transmission stability is relatively low.
The content of the invention
It is an object of the invention to provide a kind of volume that can reduce decelerator, lowers the difficulty of control and expands speed change
The nine speed transmission of the ratio coverage of device.
Technical scheme is used by realizing the object of the invention, a kind of nine speed transmission, including gearbox case and peace
It is described loaded on the input shaft inside gearbox case, output shaft, epicyclic gear train group, coupling member group and torque transmitter
Epicyclic gear train group includes the first epicyclic gear train, the second epicyclic gear train, the third planet gear installed successively from front to back
Row and fourth planet gear row, each epicyclic gear train are formed by sun gear, planet carrier, planetary gear and gear ring, and the moment of torsion passes
Delivery device includes first clutch, second clutch, the first brake, second brake, the 3rd brake and the 4th brake,
Each brake is connected with the housing of gearbox case, the coupling member group include the first coupling member, the second coupling member,
3rd coupling member, the 4th coupling member and the 5th coupling member, wherein the first coupling member connects the first epicyclic gear train
The sun gear of planet carrier and the second epicyclic gear train, the second coupling member connect the gear ring and the second planet of the first epicyclic gear train
The gear ring of gear row, the 3rd coupling member connect the planet carrier and the sun gear of third planet gear row of the second epicyclic gear train,
The gear ring and the planet carrier of fourth planet gear row of 4th coupling member connection third planet gear row, the connection of the 5th coupling member
The planet carrier of third planet gear row and the gear ring of fourth planet gear row；
First brake is connected with the second coupling member, and second brake is connected with the 3rd coupling member, the 3rd system
Dynamic device is connected with the planet carrier of the first epicyclic gear train, and the 4th brake is connected with the planet carrier that third planet gear is arranged；
The sun gear of the input shaft and the first epicyclic gear train is connected, output shaft and the planet carrier of fourth planet gear row
Connection, input shaft is connected by first clutch with the sun gear that fourth planet gear is arranged, and passes through second clutch and the
Five coupling members connect.
As shown from the above technical solution, nine speed transmission provided by the invention, turned round by four epicyclic gear trains and six
Square transfer device realize nine forward gears of speed changer speed than with the fast ratio that reverses gear, the formation of the fast ratio of each gear is by connecing
Close two torque transmitters and obtain；Wherein first clutch is selectively engagable to connect input shaft and fourth planet tooth
The sun gear of schedule rotates together；Second clutch is selectively engagable to connection input shaft and revolved together with the 5th coupling member
Turn；First brake is selectively engagable to connect the second coupling member and gearbox case, in order to prevents second
Coupling member relative to gearbox case rotation；Second brake is selectively engagable to connect the 3rd coupling member with becoming
Fast device shell, in order to prevent rotation of the 3rd coupling member relative to gearbox case；3rd brake is alternative
Ground is engaged to connect the planet carrier of the first epicyclic gear train and gearbox case, the planet carrier of the first epicyclic gear train and first
Connection member interconnects, in order to prevents rotation of first coupling member relative to gearbox case；4th brake may be selected
Property engage with connect third planet gear row planet carrier and gearbox case, third planet gear row planet carrier and the 5th
Coupling member interconnects, in order to prevents rotation of the 5th coupling member relative to gearbox case.
Two clutches and four brakes are selectively engaged (rotation) or fixed moving link (sun gear, planet
Some in frame, gear ring or five coupling members), and wherein torque transmitter can be with least two combining form
The engagement of selectivity is compared and a speed of reversing gear to set up nine forward gears speed between described input shaft and output shaft
Than nine forward gears include five slow down gear, a direct gear and three overgears, are specially：
1) the first brake and the engagement of the 4th brake, realize the foundation reversed gear, and the gearratio to reverse gear is -7.5；
2) the 3rd brake and the engagement of the 4th brake, the foundation of a gear (slow down gear) is realized, the gearratio of a gear is 5；
3) first clutch and the engagement of the 4th brake, the foundation of two gears (slow down gear) is realized, the gearratio of two gears is 3,
Speed is 1.67 than step；
4) first clutch and the engagement of the 3rd brake, realize the foundation of three gears (slow down gear), and the gearratio of three gears is
2.27, speed is 1.32 than step.
5) first clutch and second brake engagement, realize the foundation of four gears (slow down gear), and the gearratio of four gears is
1.67, speed is 1.36 than step；
6) first clutch and the engagement of the first brake, realize the foundation of five gears (slow down gear), and the gearratio of five gears is
1.51, speed is 1.11 than step；
7) first clutch and second clutch engagement, the foundation of six gears (direct gear) is realized, the gearratio of six gears is 1,
Speed is 1.51 than step；
8) second clutch and the engagement of the first brake, realize the foundation of seven gears (overgear), and the gearratio of seven gears is
0.7, speed is 1.43 than step；
9) second clutch and second brake engagement, realize the foundation of eight gears (overgear), and the gearratio of eight gears is
0.67, speed is 1.04 than step；
10) second clutch and the engagement of the 3rd brake, realize the foundation of nine gears (overgear), and the gearratio of nine gears is
0.59, speed is 1.14 than step.
Compared with prior art, beneficial effects of the present invention are：
1st, nine speed transmission provided by the invention uses Gear Planet Transmission, and gear concentrates on centre, and its power can lead to
Several planetary gears are crossed to be driven, the modulus of gear is small, compact-sized, lighter in weight, is easily arranged on automobile；
2nd, the number of torque-transfer members is reduced, nine speed transmission is only with six torque-transfer members, very greatly
Reduce the volume of speed changer in degree；
3rd, the control of each gear only needs two basic change component (clutch or brake), and control is simply；
4th, the speed changer is linked together the component of different gear trains using coupling member, can form new speed changer machine
Structure, the quantity of coupling member and the different differences by the transmission mechanism resulted in substantially of position.The speed changer utilizes
Four coupling members, connecting mode empirical tests are feasible, and the gearratio of the characterisitic parameter speed changer by preferably obtaining
Scope is wider, and the total slewing range of each gear is up to 8.52, than the slewing range 7.37 and rake Sa of the ZF8 speed transmissions of classics
The slewing range 6.71 of this LS460 speed changer is wider；
5th, the speed of three overgears is smaller than step, respectively 1.43,1.04 and 1.14, can steadily be driven, and improves
The power performance of automobile.
Brief description of the drawings
Fig. 1 is the structure diagram of nine speed transmission provided by the invention.
Wherein, 1- input shafts, 2- output shafts, 3- gearbox cases, the coupling members of 4- the 5th, the coupling members of 5- first, 6-
Second coupling member, the coupling members of 7- the 3rd, the coupling members of 8- the 4th, 11- the first planetary gear toothrow circles, the planets of 12- first
Gear ranks star-wheel, the planetary gears of 13- first seniority among brothers and sisters carrier, 14- the first epicyclic gear train sun gears, the planetary gears of 21- second
Toothrow circle, 22- the second epicyclic gear train planetary gears, 23- the second epicyclic gear train planet carriers, 24- the second epicyclic gear train sun
Wheel, 31- third planet gear toothrow circles, 32- third planets gear seniority among brothers and sisters star-wheel, 33- third planets gear seniority among brothers and sisters carrier, 34-
Third planet gear arranges sun gear, 41- fourth planet gear toothrow circles, 42- fourth planets gear seniority among brothers and sisters star-wheel, 43- fourth lines
Star gear seniority among brothers and sisters carrier, 44- fourth planets gear row's sun gear, C1- first clutches, C2- second clutches, B1- first make
Dynamic device, B2- second brakes, the brakes of B3- the 3rd, the brakes of B4- the 4th.
Embodiment
The present invention is illustrated in detail with reference to the accompanying drawings and examples, present disclosure is not limited to following
Embodiment.
Nine speed transmission provided by the invention, its structure is as shown in figure 1, including gearbox case 3 and be installed on speed change
Input shaft 1, output shaft 2, epicyclic gear train group, coupling member group and the torque transmitter of device enclosure, the planet tooth
Schedule group includes the first epicyclic gear train, the second epicyclic gear train, third planet the gear row and the installed successively from front to back
Four epicyclic gear trains, each epicyclic gear train is by sun gear (14,24,34 and 44), planet carrier (13,23,33 and 43), planetary gear
(13,23,33 and 43) and gear ring (12,22,32 and 42) are formed, wherein the planetary gear in epicyclic gear train and sun gear and gear ring
Intermeshed by gear pair, the torque transmitter includes first clutch C1, second clutch C2, the first brake
B1, second brake B2, the 3rd brake B3 and the 4th brake B4, each brake are connected with the housing 3 of gearbox case；
The coupling member group includes the first coupling member 5, the second coupling member 6, the connection of the 3rd coupling member the 7, the 4th
The coupling member 4 of component 8 and the 5th, wherein the first planetary gear is ranked the planetary gear of carrier 13 and second by the first coupling member 5
Row's sun gear 124 interconnects；Second coupling member 6 is mutual by the first planetary gear toothrow circle 11 and the second epicyclic gear train gear ring 21
Even；3rd coupling member 7 interconnects the second epicyclic gear train planet carrier 23 and third planet gear row's sun gear 34；4th connection
Component 8 interconnects third planet gear toothrow circle 31 and fourth planet gear seniority among brothers and sisters star-wheel 43；5th coupling member 4 is by the third line
Star gear ranks carrier 33 and fourth planet gear toothrow circle 41 interconnects；
The torque transmitter includes first clutch C1, second clutch C2, the first brake B1, second brake
Input shaft 1 and fourth planet gear are arranged sun gear by B2, the 3rd brake B3 and the 4th brake B4, wherein first clutch C1
44 interconnection；Second clutch C2 interconnects the coupling member 4 of input shaft 1 and the 5th；First brake B1 by the second coupling member and
Case of transmission 3 interconnects；Second brake B2 interconnects the 3rd coupling member 7 with case of transmission 3；3rd brake B3 is by
One coupling member 5 and case of transmission 3 interconnect；4th brake B4 interconnects the 5th coupling member 4 and case of transmission 3；
The output end of the input shaft 1 is connected with the first epicyclic gear train sun gear 14 all the time, and the input of input shaft 1 begins
The turbine of engine or torque-converters is connected to eventually, and the input of output shaft 2 ranks carrier 43 with fourth planet gear all the time
Connection, the output end of output shaft 2 are connected to next stage decelerator.
The variable block principle of nine speed transmission provided by the invention is introduced below, the speed changer can realize nine advances
Gear speed is obtained than the formation with the fast ratio that reverses gear, the fast ratio of each gear by engaging two torque transmitters, under
The course of work of each gear is discussed in detail in face：
The foundation reversed gear, the first brake B1 and the 4th brake B4 engagements.Specifically, the first brake B1 is engaged
To cause the second coupling member 6 to be connected with case of transmission 3, rotation of second coupling member 6 relative to case of transmission 3 is prevented
Turn.4th brake B4 is engaged so that the 5th coupling member 4 is connected with case of transmission 3, prevents the 5th coupling member 4
Relative to the rotation of case of transmission 3.Thus, the gearratio to reverse gear is set up between input shaft 1 and output shaft 2.
The foundation of one gear (slow down gear), the 3rd brake B3 and the 4th brake B4 are engaged.Specifically, the 3rd braking
Device B3 is engaged to the first coupling member of connection 5 and case of transmission 3, prevents the first coupling member 5 relative to transmission case
The rotation of body 3.4th brake B4 is engaged so that the 5th coupling member 4 is connected with case of transmission 3, prevents 5-linked
Connection member 4 relative to case of transmission 3 rotation.Thus, the transmission of a gear is established between input shaft 1 and output shaft 2
Than.
The foundation of two gears (slow down gear), first clutch C1 and the 4th brake B4 are engaged.Specifically, the first clutch
Device C1 is engaged to connect sun gear 14 and sun gear 44 rotates together.4th brake B4 is engaged so that the 5th connection structure
Part 4 is connected with case of transmission 3, prevents rotation of the 5th coupling member 4 relative to case of transmission 3.Result in formation of list
Epicyclic gear train is driven, and the gearratio of two gears is thus established between input shaft 1 and output shaft 2.
The foundation of three gears (slow down gear), first clutch C1 and the 3rd brake B3 are engaged.Specifically, the first clutch
Device C1 is engaged to connect sun gear 14 and sun gear 44 rotates together.3rd brake B3 is engaged so that the second connection structure
Part 6 is connected with case of transmission 3, prevents rotation of second coupling member 6 relative to case of transmission 3.Thus, in input shaft
The gearratio of three gears is established between 1 and output shaft 2.
The foundation of four gears (slow down gear), first clutch C1 and second brake B2 are engaged.Specifically, the first clutch
Device C1 is engaged to connect sun gear 14 and sun gear 44 rotates together.Second brake B2 is engaged so that the 3rd connection structure
Part 7 is connected with case of transmission 3, prevents rotation of the 3rd coupling member 7 relative to case of transmission 3.Thus, in input shaft
The gearratio of four gears is established between 1 and output shaft 2.
The foundation of five gears (slow down gear), first clutch C1 and the first brake B1 are engaged.Specifically, the first clutch
Device C1 is engaged to connect sun gear 14 and sun gear 44 rotates together.First brake B1 is engaged so that the second connection structure
Part 6 is connected with case of transmission 3, prevents rotation of second coupling member 6 relative to case of transmission 3.Thus, in input shaft
The gearratio of five gears is established between 1 and output shaft 2.
The foundation of six gears (direct gear), first clutch C1 and second clutch C2 are engaged.Specifically, the first clutch
Device C1 is engaged to connect the first epicyclic gear train sun gear 14 and fourth planet gear row's sun gear 44 rotates together.Second from
Clutch C2 is engaged to the connection coupling member 4 of sun gear 14 and the 5th and rotated together.Thus, between input shaft 1 and output shaft 2
Establish the gearratio of six gears.
The foundation of seven gears (overgear), second clutch C2 and the first brake B1 are engaged.Specifically, the second clutch
Device C2 is engaged to the connection coupling member 4 of sun gear 14 and the 5th and rotated together.First brake B1 is engaged so that second
Coupling member 6 is connected with case of transmission 3, prevents rotation of second coupling member 6 relative to case of transmission 3.Thus, exist
The gearratio of seven gears is set up between input shaft 1 and output shaft 2.
The foundation of eight gears (overgear), second clutch C2 and second brake B2 are engaged.Specifically, the second clutch
Device C2 is engaged to the connection coupling member 4 of sun gear 14 and the 5th and rotated together.Second brake B2 is engaged so that the 3rd
Coupling member 7 is connected with case of transmission 3, prevents rotation of the 3rd coupling member 7 relative to case of transmission 3.Thus, exist
The gearratio of eight gears is set up between input shaft 1 and output shaft 2.
The foundation of nine gears (overgear), second clutch C2 and the 3rd brake B3 are engaged.Specifically, the second clutch
Device C2 is engaged to the connection coupling member 4 of sun gear 14 and the 5th and rotated together.3rd brake B3 is engaged so that first
Coupling member 5 is connected with case of transmission 3, prevents rotation of first coupling member 5 relative to case of transmission 3.Thus, exist
The gearratio of nine gears is set up between input shaft 1 and output shaft 2.
The gearratio of each gear, speed are more as shown in the table than step and each gear torque transfer device engagement：
In table：X represents engagement and transmits moment of torsion, and O represents engagement but do not transmit moment of torsion.
Claims (1)
1. a kind of nine speed transmission, including gearbox case and the input shaft, the output shaft, OK that are installed on inside gearbox case
Star gear row group, coupling member group and torque transmitter, the epicyclic gear train group include the installed successively from front to back
One epicyclic gear train, the second epicyclic gear train, third planet gear row and fourth planet gear row, each epicyclic gear train is by too
Positive wheel, planet carrier, planetary gear and gear ring are formed, and the torque transmitter includes first clutch, second clutch, the first system
Dynamic device, second brake, the 3rd brake and the 4th brake, each brake are connected with the housing of gearbox case, and it is special
Sign is：The coupling member group includes the first coupling member, the second coupling member, the 3rd coupling member, the 4th coupling member
With the 5th coupling member, wherein the first coupling member connect the first epicyclic gear train planet carrier and the second epicyclic gear train too
Sun wheel, the second coupling member connect the gear ring of the first epicyclic gear train and the gear ring of the second epicyclic gear train, the 3rd coupling member
Connect the planet carrier and the sun gear of third planet gear row of the second epicyclic gear train, the 4th coupling member connection third planet tooth
The gear ring of schedule and the planet carrier of fourth planet gear row, the planet carrier of the 5th coupling member connection third planet gear row and the
The gear ring of four epicyclic gear trains；
First brake is connected with the second coupling member, and second brake is connected with the 3rd coupling member, the 3rd brake
It is connected with the planet carrier of the first epicyclic gear train, the 4th brake is connected with the planet carrier that third planet gear is arranged；
The sun gear of the input shaft and the first epicyclic gear train is connected, and output shaft and the planet carrier of fourth planet gear row connect
Connect, input shaft is connected by first clutch with the sun gear that fourth planet gear is arranged, and passes through second clutch and the 5th
Coupling member connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510424662.6A CN105090394B (en) | 2015-07-17 | 2015-07-17 | A kind of nine speed transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510424662.6A CN105090394B (en) | 2015-07-17 | 2015-07-17 | A kind of nine speed transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105090394A CN105090394A (en) | 2015-11-25 |
| CN105090394B true CN105090394B (en) | 2018-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510424662.6A Expired - Fee Related CN105090394B (en) | 2015-07-17 | 2015-07-17 | A kind of nine speed transmission |
Country Status (1)
| Country | Link |
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| CN (1) | CN105090394B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101786691B1 (en) * | 2015-12-02 | 2017-10-18 | 현대자동차 주식회사 | Planetary gear train of automatic transmission for vehicles |
| KR20170064952A (en) * | 2015-12-02 | 2017-06-12 | 현대자동차주식회사 | Planetary gear train of automatic transmission for vehicles |
| CN109798334A (en) * | 2019-02-25 | 2019-05-24 | 燕山大学 | A kind of nine speed transmission |
| CN109764095B (en) * | 2019-02-25 | 2022-02-18 | 燕山大学 | Nine-gear transmission |
| CN112324877B (en) * | 2020-11-19 | 2023-04-18 | 中国地质大学（武汉） | Nine-gear automatic transmission |
| CN112324876B (en) * | 2020-11-19 | 2023-05-26 | 中国地质大学（武汉） | Nine-gear automatic transmission with large speed ratio range |
| CN112324875B (en) * | 2020-11-19 | 2023-04-18 | 中国地质大学（武汉） | Nine-gear automatic transmission with small step ratio |
| CN112324874B (en) * | 2020-11-30 | 2023-05-26 | 中国地质大学（武汉） | Nine-gear automatic transmission with stable step ratio |
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|---|---|---|---|---|
| EP0239205A2 (en) * | 1986-02-27 | 1987-09-30 | General Motors Corporation | Transmission gearing arrangement |
| CN101344147A (en) * | 2007-07-13 | 2009-01-14 | 通用汽车环球科技运作公司 | Multi-speed transmission |
| CN101676583A (en) * | 2008-09-15 | 2010-03-24 | 福特环球技术公司 | Multiple speed transmission |
| CN101852278A (en) * | 2010-07-09 | 2010-10-06 | 中国北方车辆研究所 | Nine-gear planetary automatic transmission |
| CN102588532A (en) * | 2011-01-06 | 2012-07-18 | 通用汽车环球科技运作有限责任公司 | Nine speed automatic transmission |
| CN102758889A (en) * | 2011-04-27 | 2012-10-31 | 通用汽车环球科技运作有限责任公司 | Multi-speed transmission |
| CN102900815A (en) * | 2011-07-27 | 2013-01-30 | 现代自动车株式会社 | Planetary gear train of automatic transmission for vehicles |
-
2015
- 2015-07-17 CN CN201510424662.6A patent/CN105090394B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0239205A2 (en) * | 1986-02-27 | 1987-09-30 | General Motors Corporation | Transmission gearing arrangement |
| CN101344147A (en) * | 2007-07-13 | 2009-01-14 | 通用汽车环球科技运作公司 | Multi-speed transmission |
| CN101676583A (en) * | 2008-09-15 | 2010-03-24 | 福特环球技术公司 | Multiple speed transmission |
| CN101852278A (en) * | 2010-07-09 | 2010-10-06 | 中国北方车辆研究所 | Nine-gear planetary automatic transmission |
| CN102588532A (en) * | 2011-01-06 | 2012-07-18 | 通用汽车环球科技运作有限责任公司 | Nine speed automatic transmission |
| CN102758889A (en) * | 2011-04-27 | 2012-10-31 | 通用汽车环球科技运作有限责任公司 | Multi-speed transmission |
| CN102900815A (en) * | 2011-07-27 | 2013-01-30 | 现代自动车株式会社 | Planetary gear train of automatic transmission for vehicles |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105090394A (en) | 2015-11-25 |
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