CN105003633B - A kind of shift transmission of modified eight - Google Patents
A kind of shift transmission of modified eight Download PDFInfo
- Publication number
- CN105003633B CN105003633B CN201510422364.3A CN201510422364A CN105003633B CN 105003633 B CN105003633 B CN 105003633B CN 201510422364 A CN201510422364 A CN 201510422364A CN 105003633 B CN105003633 B CN 105003633B
- 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
- F16H2200/006—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising eight 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention provides a kind of shift transmission of modified eight, 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 and five coupling members rotates or fixed, and wherein torque transmitter can be with the engagement of at least two combining form selectivity, so as to which eight forward gear speed can be set up between described input shaft and output link than comparing with a speed of reversing gear, forward gear is five gears that slow down, one direct gear and two overgears；The speed changer structure is compact, lightweight, 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 shift transmission of modified eight, belong to system of vehicle transmission technical field.
Background technology
Typical multi-speed transmission is realized many 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 with the popularization of automobile, people to it is new-type and the need for improving speed changer configuration it is real
It is continual in matter.
The improvement of the speed changer configuration is mainly set about in terms of following two, and one is performance, specifically includes the model of gearratio
Enclose, the angle of response and flatness；Two be encapsulation, mainly the size and weight of reduction, when gear is determined, realizes and fixes
The quantity of component needed for gear mutually should determine that the improvement therefore 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, difficult point and core as 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 constituted, above-mentioned two speed changer realizes eight forward gear speed ratios and the speed ratio that reverses gear, but exists
The problem of speed is smaller, transmission stability is relatively low.
The content of the invention
It can reduce the volume of decelerator it is an object of the invention to provide a kind of, lower the difficulty of control and with more
The shift transmission of modified eight of wide transmission gear ratio scope.
Technical scheme that the object of the invention used is realized for a kind of, shift transmission of modified eight, including gearbox case
And it is installed on input shaft, output shaft, epicyclic gear train group, coupling member group and moment of torsion transmission dress inside gearbox case
Put, the epicyclic gear train group includes the first epicyclic gear train, the second epicyclic gear train, the third line installed successively from front to back
Star gear is arranged and fourth planet gear row, and each epicyclic gear train is constituted by sun gear, planet carrier, planetary gear and gear ring, described
Torque transmitter 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, and the coupling member group includes the first coupling member, second
Connection member, the 3rd coupling member, the 4th coupling member and the 5th coupling member, wherein the first coupling member connects the first planet tooth
The sun gear of the sun gear of schedule and the second epicyclic gear train, the second coupling member connects the gear ring and the of the first epicyclic gear train
The gear ring of two epicyclic gear trains, the 3rd coupling member connects the tooth that the planet carrier of the second epicyclic gear train is arranged with third planet gear
Circle, the planet carrier and the gear ring of fourth planet gear row of the 4th coupling member connection third planet gear row, the 5th coupling member
Connect the sun gear that the sun gear of third planet gear row is arranged with fourth planet gear；
First brake is connected with the second coupling member, and the planet carrier of second brake and the first epicyclic gear train connects
Connect, the 3rd brake is connected with the 3rd coupling member, the 4th brake is connected with the 4th coupling member；
The input shaft and the first coupling member are connected, and the planet carrier that output shaft is arranged with fourth planet gear is connected, input
Axle is connected by first clutch with the planet carrier that third planet gear is arranged, and passes through second clutch and third planet gear
The sun gear connection of row.
As shown from the above technical solution, the shift transmission of modified eight that provides of the present invention, by four epicyclic gear trains and
Six torque transmitters realize eight forward gear speed of speed changer than comparing with a speed of reversing gear, the formation of the fast ratio of each gear
Obtained by engaging two torque transmitters；Wherein first clutch is selectively engagable to connect input shaft and the 3rd
The planet carrier of epicyclic gear train rotates together；Second clutch is selectively engagable to connection input shaft and the 4th coupling member
Rotate together；First brake is selectively engagable to the second coupling member of connection and gearbox case, in order to hinder
Only rotation of second coupling member relative to gearbox case；Second brake is selectively engagable to connect the first planet tooth
The planet carrier and gearbox case of schedule, in order to prevent the planet carrier of the first epicyclic gear train relative to gearbox case
Rotation；3rd brake is selectively engagable to the 3rd coupling member of connection and gearbox case, in order to prevent
Rotation of 3rd coupling member relative to gearbox case；4th brake is selectively engagable to connect the 4th coupling member
With gearbox case, in order to prevent the 4th coupling member relative to the rotation of gearbox case.
Two clutches and four brakes are selectively engaged so that moving link (sun gear, planet carrier, gear ring or
Some in five coupling members) rotation or fixed, and wherein torque transmitter can be with least two combination
The engagement of formal character is fallen to set up eight forward gear speed ratios and one between described input shaft and output shaft
Gear speed ratio, eight forward gears include five slow down gear, a direct gear and two overgears, are specially：
1) the first brake and the engagement of the 4th brake, realize the foundation reversed gear, and the gearratio reversed gear is -8；
2) second brake and the engagement of the 4th brake, realize the foundation of a gear (slow down gear), the gearratio of a gear is 8；
3) second clutch and the engagement of the 4th brake, realize the foundation of two gears (slow down gear), the gearratio of two gears is 5,
Speed is 1.6 than step；
4) second clutch and second brake engagement, realize the foundation of three gears (slow down gear), and the gearratio of three gears is
3.5, speed is 1.43 than step.
5) second clutch and the engagement of the 3rd brake, realize the foundation of four gears (slow down gear), and the gearratio of four gears is
2.3, speed is 1.52 than step；
6) second clutch and the engagement of the first brake, realize the foundation of five gears (slow down gear), and the gearratio of five gears is
1.75, speed is 1.31 than step；
7) first clutch and second clutch engagement, realize the foundation of six gears (direct gear), the gearratio of six gears is 1,
Speed is 1.75 than step；
8) first clutch and the engagement of the first brake, realize the foundation of seven gears (overgear), and the gearratio of seven gears is
0.73, speed is 1.37 than step；
9) first clutch and the engagement of the 3rd brake, realize the foundation of eight gears (overgear), and the gearratio of eight gears is
0.67, speed is 1.09 than step.
Compared with prior art, beneficial effects of the present invention are：
1st, eight shift transmissions that the present invention is provided use Gear Planet Transmission, and gear concentrates on centre, and its power can lead to
Cross several planetary gears to be driven, the modulus of gear is small, compact conformation, lighter in weight is easily arranged on automobile；
2nd, the number of torque-transfer members is reduced, eight shift transmissions are only with six torque-transfer members, very
Reduce the volume of speed changer in big degree；
3rd, the control of each gear only needs to two basic change component (clutch or brake), and control is simple；
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 are utilized
Five coupling members, connecting mode empirical tests are feasible, and by the characterisitic parameter that preferably obtains so that each gear of the speed changer
Gearratio between speed the requirement of speed changer is more conformed to than step, the total slewing range of each gear reaches 12, than classical
The slewing range 7.37 of ZF8 speed transmissions and the slewing range 6.71 of Lexus LS460 speed changers are wider
5th, the speed of two overgears is smaller than step, and respectively 1.37 and 1.04, it can smoothly be driven, improve automobile
Power performance.
Brief description of the drawings
The structure diagram for the shift transmission of modified eight that Fig. 1 provides for the present invention.
Wherein, 1- input shafts, 2- output shafts, 3- gearbox cases, the coupling members of 5- first, the coupling members of 6- second, 7-
3rd coupling member, the coupling members of 8- the 4th, the coupling members of 9- the 5th, 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 ranks carrier, and 44- fourth planets gear row's sun gear, C1- first clutches, C2- second clutches, B1- first makes
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.
Eight shift transmissions that the present invention is provided, its structure are 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 constituted, 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 of gearbox case 3；
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 9 of component 8 and the 5th, wherein the first coupling member 5 is by the first epicyclic gear train sun gear 14 and the second planetary gear
Row's sun gear 24 is interconnected；Second coupling member 6 interconnects the first planetary gear toothrow circle 11 and the second epicyclic gear train gear ring 21；
3rd coupling member 7 interconnects the second epicyclic gear train planet carrier 33 and fourth planet gear toothrow circle 41；4th coupling member 8
Third planet gear seniority among brothers and sisters carrier 33 is interconnected with fourth planet gear toothrow circle 41；5th coupling member 9 is by third planet tooth
Schedule sun gear 34 is interconnected with fourth planet gear row's sun gear 44；
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, it is mutual that input shaft 1 and third planet gear are ranked carrier 33 by first clutch C1
Even；Second clutch C2 interconnects the coupling member 9 of input shaft 1 and the 5th；First brake B1 is by the He of the second coupling member 6
Gearbox case 3 is interconnected；Are ranked into carrier 13 by first planetary gear by the second brake B2 and gearbox case 3 is mutual
Even；The 3rd brake B3 interconnects the 3rd coupling member 7 and gearbox case 3；The 4th brake B4 is by institute
State the 4th coupling member 8 and gearbox case 3 is interconnected；
The output end of the input shaft 1 is connected with the first coupling member 5 all the time, and the input of input shaft 1 is connected all the time
To engine or the turbine of torque-converters, the input of output shaft 2 is connected with fourth planet gear seniority among brothers and sisters carrier 43 all the time, is exported
The output end of axle 2 is connected to next stage decelerator.
The variable block principle of the shift transmission of modified eight provided below the present invention is introduced, and the speed changer can realize eight
Individual forward gear speed with a speed of reversing gear than comparing, and the formation of the fast ratio of each gear is obtained by engaging two torque transmitters
, the course of work of each gear is described in detail below：
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 gearbox case 3, the second coupling member 6 is prevented relative to the rotation of gearbox case 3
Turn.4th brake B4 is engaged so that the 4th coupling member 8 is connected with gearbox case 3, prevents the 4th coupling member 8
Relative to the rotation of gearbox case 3.Thus, the gearratio reversed gear is set up between input shaft 1 and output shaft 2.
The foundation of one gear (slow down gear), second brake B2 and the 4th brake B4 are engaged.Specifically, the second braking
Device B2 is engaged to the first planetary gear of connection seniority among brothers and sisters carrier 13 and gearbox case 3, prevents the first planetary gear rows of planetary
Rotation of the frame 13 relative to gearbox case 3.4th brake B4 is engaged so that the 4th coupling member 8 and gearbox case
3 are connected, and prevent the 4th coupling member 8 relative to the rotation of gearbox case 3.Thus, between input shaft 1 and output shaft 2
Establish the gearratio of a gear.
The foundation of two gears (slow down gear), second clutch C2 and the 4th brake B4 are engaged.Specifically, the second clutch
Device C2 is engaged to the 5th coupling member 9 of connection and input shaft 1 rotates together.4th brake B4 is engaged so that tetrad
Connection member 8 is connected with gearbox case 3, prevents the 4th coupling member 8 relative to the rotation of gearbox case 3.Thus defeated
Enter the gearratio that two gears are established between axle 1 and output shaft 2.
The foundation of three gears (slow down gear), second clutch C2 and second brake B2 are engaged.Specifically, the second clutch
Device C2 is engaged to the 5th coupling member 9 of connection and input shaft 1 rotates together.Second brake B2 is engaged so that the first row
Star gear seniority among brothers and sisters carrier 13 be connected with gearbox case 3, prevent the first planetary gear seniority among brothers and sisters carrier 13 relative to speed changer outside
The rotation of shell 3.Thus, the gearratio of three gears is established between input shaft 1 and output shaft 2.
The foundation of four gears (slow down gear), second clutch C2 and the 3rd brake B3 are engaged.Specifically, the second clutch
Device C2 is engaged to the 5th coupling member 9 of connection and input shaft 1 rotates together.3rd brake B3 is engaged so that the 3rd
Connection member 7 is connected with gearbox case 3, prevents the 3rd coupling member 7 relative to the rotation of gearbox case 3.Thus, defeated
Enter the gearratio that four gears are established between axle 1 and output shaft 2.
The foundation of five gears (slow down gear), second clutch C2 and the first brake B1 are engaged.Specifically, the second clutch
Device C2 is engaged to the 5th coupling member 9 of connection and input shaft 1 rotates together.First brake B1 is engaged so that second
Connection member 6 is connected with gearbox case 3, prevents the second coupling member 6 relative to the rotation of gearbox case 3.Thus, defeated
Enter the gearratio that five gears are established between axle 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
The engaged connection input shafts 1 of device C1 rotate together with planet carrier 33.Second clutch C2 is engaged to connect input shaft 1 and the 4th
Coupling member 9 rotates together.Thus, the gearratio of six gears is established between input shaft 1 and output shaft 2.
The foundation of seven gears (overgear), first clutch C1 and the first brake B1 are engaged.Specifically, the first clutch
The engaged connection input shafts 1 of device C1 rotate together with planet carrier 33.First brake B1 is engaged so that the second coupling member 6
It is connected with gearbox case 3, prevents the second coupling member 6 relative to the rotation of gearbox case 3.Thus, in the He of input shaft 1
The gearratio of seven gears is set up between output shaft 2.
The foundation of eight gears (overgear), first clutch C1 and the 3rd brake B3 are engaged.Specifically, the first clutch
The engaged connection input shafts 1 of device C1 rotate together with planet carrier 33.3rd brake B3 is engaged so that the 3rd coupling member 7
It is connected with gearbox case 3, prevents the 3rd coupling member 7 relative to the rotation of gearbox case 3.Thus, in the He of input shaft 1
The gearratio of eight gears is set up between 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 to engage and transmit moment of torsion, and O represents to engage but do not transmit moment of torsion.
Claims (1)
1. a kind of shift transmission of modified eight, including gearbox case and the input shaft, defeated that is installed on inside gearbox case
Shaft, epicyclic gear train group, coupling member group and torque transmitter, the epicyclic gear train group include successively pacifying from front to back
The first epicyclic gear train, the second epicyclic gear train, third planet gear row and the fourth planet gear row of dress, each epicyclic gear train
By sun gear, planet carrier, planetary gear and gear ring constitute, the torque transmitter include first clutch, second clutch,
First brake, second brake, the 3rd brake and the 4th brake, each brake are consolidated with the housing of gearbox case
Even, it is characterised in that：The coupling member group includes the first coupling member, the second coupling member, the 3rd coupling member, tetrad
Connection member and the 5th coupling member, wherein the first coupling member connects the sun gear and the second planetary gear of the first epicyclic gear train
The sun gear of row, the second coupling member connects the gear ring of the first epicyclic gear train and the gear ring of the second epicyclic gear train, the 3rd
Connection member connects the gear ring that the planet carrier of the second epicyclic gear train is arranged with third planet gear, and the 4th coupling member connects the third line
The gear ring that the planet carrier of star gear row is arranged with fourth planet gear, the sun gear of the 5th coupling member connection third planet gear row
The sun gear arranged with fourth planet gear；
First brake is connected with the second coupling member, and second brake is connected with the planet carrier of the first epicyclic gear train,
3rd brake is connected with the 3rd coupling member, and the 4th brake is connected with the 4th coupling member；
The input shaft and the first coupling member are connected, and the planet carrier that output shaft is arranged with fourth planet gear is connected, and input shaft leads to
Cross first clutch and be connected with the planet carrier that third planet gear is arranged, and arranged by second clutch and third planet gear
Sun gear is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510422364.3A CN105003633B (en) | 2015-07-17 | 2015-07-17 | A kind of shift transmission of modified eight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510422364.3A CN105003633B (en) | 2015-07-17 | 2015-07-17 | A kind of shift transmission of modified eight |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105003633A CN105003633A (en) | 2015-10-28 |
| CN105003633B true CN105003633B (en) | 2017-11-07 |
Family
ID=54376426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510422364.3A Expired - Fee Related CN105003633B (en) | 2015-07-17 | 2015-07-17 | A kind of shift transmission of modified eight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105003633B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101807051B1 (en) * | 2016-02-03 | 2017-12-08 | 현대자동차 주식회사 | Planetary gear train of automatic transmission for vehicles |
| CN106402293B (en) * | 2016-09-30 | 2021-02-23 | 中国北方车辆研究所 | Eight-gear planetary automatic transmission |
| CN106917849B (en) * | 2017-04-27 | 2023-04-21 | 广州汽车集团股份有限公司 | Eight-speed automatic transmission |
| CN107387688A (en) * | 2017-07-25 | 2017-11-24 | 罗灿 | Anti-espionage connects planet row gearing |
| CN109854690A (en) * | 2018-12-21 | 2019-06-07 | 中国北方车辆研究所 | A kind of eight-gear planetary automatic speed changer |
| CN109812550B (en) * | 2019-02-28 | 2022-03-04 | 东华大学 | Eight-gear gearbox for bulldozer |
| CN110608270B (en) * | 2019-09-24 | 2024-05-14 | 陕西法士特齿轮有限责任公司 | Hydraulic automatic transmission |
| CN112984060A (en) * | 2021-04-27 | 2021-06-18 | 北京航空航天大学 | Eight-front two-reverse planetary gear automatic transmission |
| CN113251119A (en) * | 2021-06-03 | 2021-08-13 | 北方汤臣传动科技有限公司 | Eight-gear automatic transmission |
| CN116379112B (en) * | 2023-06-05 | 2023-07-28 | 北京航空航天大学 | Multi-gear planetary gear speed change mechanism and automatic speed changer thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100793883B1 (en) * | 2006-07-20 | 2008-01-15 | 현대자동차주식회사 | Power train for automatic transmission |
| JP2008215396A (en) * | 2007-02-28 | 2008-09-18 | Aisin Aw Co Ltd | Automatic transmission |
| CN202418448U (en) * | 2012-01-13 | 2012-09-05 | 江福荣 | Composite type automatic stepless speed change device |
| CN104565238B (en) * | 2014-12-26 | 2017-08-11 | 燕山大学 | A kind of 8 speed automatic transmissions |
| CN104595435B (en) * | 2014-12-26 | 2017-08-29 | 燕山大学 | Eight shift transmissions |
-
2015
- 2015-07-17 CN CN201510422364.3A patent/CN105003633B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105003633A (en) | 2015-10-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105003633B (en) | A kind of shift transmission of modified eight | |
| CN105179615B (en) | A kind of nine speed transmission | |
| CN105090394B (en) | A kind of nine speed transmission | |
| CN104343934B (en) | Multiple-speed gear-box | |
| CN103322141B (en) | Multi-speed transmission | |
| CN104565238B (en) | A kind of 8 speed automatic transmissions | |
| CN103807379B (en) | Quad-clutch multi-speed transmission | |
| US6849022B2 (en) | Automatic transmission | |
| CN101545523B (en) | Multi-speed split dual clutch transmission | |
| CN103511564B (en) | Multi-speed transmission | |
| CN103807381B (en) | Multi-speed transmission | |
| US9285014B2 (en) | Multi-speed transmission | |
| US9435403B2 (en) | Multi-speed transmission | |
| CN104235279B (en) | Multi-speed transmission | |
| CN103573935A (en) | Multiple speed transmission | |
| CN104455245B (en) | Multiple-speed gear-box | |
| US20140256499A1 (en) | Multi-speed transmission | |
| CN103573937A (en) | Multiple speed transmission | |
| CN103994189A (en) | Multi-speed transmission | |
| CN103591225A (en) | Planetary gear train of automatic transmission for vehicle | |
| CN109798334A (en) | A kind of nine speed transmission | |
| CN104595435B (en) | Eight shift transmissions | |
| CN109764095A (en) | Nine speed transmission | |
| CN104896041B (en) | Automatic transmission | |
| CN103573936B (en) | Multiple-speed gear-box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171107 Termination date: 20210717 |