CN103438161A - Double-clutch automatic gearbox - Google Patents

Double-clutch automatic gearbox Download PDF

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Publication number
CN103438161A
CN103438161A CN2013103470377A CN201310347037A CN103438161A CN 103438161 A CN103438161 A CN 103438161A CN 2013103470377 A CN2013103470377 A CN 2013103470377A CN 201310347037 A CN201310347037 A CN 201310347037A CN 103438161 A CN103438161 A CN 103438161A
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CN
China
Prior art keywords
gear
gears
input shaft
driven
driving
Prior art date
Application number
CN2013103470377A
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Chinese (zh)
Inventor
孙峰
傅灵玲
蔡丽洁
罗大国
陈勇
冯擎峰
Original Assignee
浙江吉利汽车研究院有限公司
浙江吉利控股集团有限公司
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Application filed by 浙江吉利汽车研究院有限公司, 浙江吉利控股集团有限公司 filed Critical 浙江吉利汽车研究院有限公司
Priority to CN2013103470377A priority Critical patent/CN103438161A/en
Publication of CN103438161A publication Critical patent/CN103438161A/en

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Abstract

The invention discloses a double-clutch automatic gearbox. The double-clutch automatic gearbox comprises seven forwarding gears and one reversing gear; a seventh gear driving gear, a first gear driving gear, a fifth gear driving gear and a third gear driving gear are fixedly arranged on a first input shaft respectively and independently, and a fourth gear driving gear and a second gear driving gear are fixedly arranged on a second input shaft respectively and independently; in the double-clutch automatic gearbox, the fourth gear driving gear is also used as a sixth gear driving gear, other gear gears are not used in common, so that the reduction of the overall axial length of the gearbox is facilitated, the arrangement of the whole vehicle is facilitated, the speed ratio ranges of other gears are not affected by the sharing of gear sets, and the double-clutch automatic gearbox can be applicable to more vehicle types; besides, the second gear driving gear is also used as a reversing gear driving gear, a second gear driven gear is used a reversing gear intermediate gear, a reversing gear shaft is accordingly omitted, the radial size in the gearbox is effectively reduced, the assembly is enabled to be simpler, and the implementation of light weight is also facilitated.

Description

A kind of double-clutch automatic gearbox

Technical field

The present invention relates to the automotive transmission field, particularly relate to a kind of double-clutch automatic gearbox.

Background technique

Along with the development of automotive industry, automatic transmission has become development trend.Drive line, as the main body of double-clutch automatic gearbox, is the most important condition of follow-up hardware and software design, so double-clutch speed changer is particularly important to the layout design of transmission scheme.At present, although many double-clutch automatic gearbox shafting designs have been obtained very large progress, yet there are some because consider the defect do not caused comprehensively; Do not consider that the car load inner space is to the integrally-built restricted problem of speed changer during such as design, again such as for some factors, may adopt the shared structure of driving gear between gear, such structure can cause again the gear ratio coverage to be restricted, final also can limiting transmission utilization in multi-vehicle-type more.

In addition, during the drive line design, need to make its compact structure, in the situation that proof strength reduces the axial and radial space of drive line as far as possible, to adapt to the light-weighted requirement of speed changer.During but existing double-clutch automatic gearbox drive line is arranged, because reverse gear is 3 grades of transmissions, reverse gear driven gear or reverse idler gear need be arranged on independent reverse gear shaft, and reverse idler gear is mostly duplicate gear, be perhaps rigidly connected two gears, the power of reverse gear engine is by the process of the reverse driving gear on input shaft reverse idler gear, be passed to again the reverse gear driven gear, so just fail to take full advantage of the characteristic of double output shaft in speed changer, increase the radial space of speed changer, be unfavorable for the light-weighted enforcement of speed changer.

Summary of the invention

An object of the present invention is to provide a kind of compact structure and use wider double-clutch automatic gearbox.Another object of the present invention is further to reduce above-mentioned speed changer warp-wise length and inner body quantity, optimizes assembly process.Another purpose of the present invention is to make above-mentioned speed changer operation safer stable.

To achieve these goals, the invention provides a kind of double-clutch automatic gearbox, comprising:

The first input shaft, it has the first input shaft first end and the first input shaft the second end contrary with described the first input shaft first end; First clutch, it is connected to described the first input shaft at described the first input shaft first end place;

The second input shaft, it has the second input shaft first end and the second input shaft the second end contrary with described the second input shaft first end; Second clutch, it is connected to described the second input shaft at described the second input shaft first end place; Described the second input shaft is hollow shaft, and it is sleeved on described the first input shaft;

The independent seven gear driving gears that arrange, a gear driving gear, five gear driving gears and three gear driving gears, it is fixedly attached to respectively described the first input shaft; The independent four gear driving gears that arrange and two gear driving gears, it is fixedly attached to respectively described the second input shaft; Wherein, described four gear driving gears are simultaneously as six gear driving gears; Described two gear driving gears are simultaneously as reversing gear driving gear, to omit reverse gear shaft; The first output shaft and the second output shaft, on it respectively empty set be provided with the driven gear of engagement corresponding to each driving gear.

Alternatively, described seven gear driving gears, a described gear driving gear, described five gear driving gears and described three gear driving gears set gradually along the direction from described the first input shaft the second end to described the first input shaft first end on described the first input shaft.

Alternatively, described four gear driving gears, described six gear driving gears and described two gear driving gears set gradually along the direction from described the second input shaft the second end to described the second input shaft first end on described the second input shaft.

Alternatively, the position corresponding with a described gear driving gear, three gear driving gears, four gear driving gears and second gear driving gear on described the first output shaft is separately installed with a gear driven gear, three gear driven gears, four gear driven gears and two gear driven gears.

Alternatively, be fixed with one or three gear synchronizers on described the first output shaft between a described gear driven gear and three gear driven gears; Be fixed with two or four gear synchronizers on described the first output shaft between described four gear driven gears and two gear driven gears.

Alternatively, the position corresponding with described seven gear driving gears, five gear driving gears, four gear driving gears and two gear driving gears on described the second output shaft is separately installed with seven gear driven gears, five gear driven gears, six gear driven gear and the driven gears that reverse gear.

Alternatively, be fixed with six reverse gear synchronizers on described six gear driven gears and described the second output shaft of reversing gear between driven gear; Be fixed with five or seven gear synchronizers on described the second output shaft between described seven gear driven gears and five gear driven gears.

At least there is following useful technique effect in the present invention:

1), in double-clutch automatic gearbox of the present invention, in forward gear, outside 4 grades and 6 grades of shared driving gears, the driving gear of other gears is not shared, and is conducive to like this reduce the whole axial length of speed changer, and is easy to the layout of car load; In addition, the ratio coverage of other gears is not subject to the shared impact of gear train, makes speed changer more easily according to the demand of the vehicle of mating, carry out the adjustment of speed ratio, can adapt to more vehicle.

2), in double-clutch automatic gearbox of the present invention using the second gear driving gear as reverse driving gear, the second gear driven gear is used as reverse idler gear simultaneously, form a triple gear by second gear driving gear, second gear driven gear and reverse gear driven gear, realize the reverse gear function; Such structure can reduce the use of a reverse gear shaft and related components, has effectively reduced the radial dimension in speed changer, makes assembling simpler, also is conducive to light-weighted realization.

3), in double-clutch automatic gearbox of the present invention, will be arranged on the first input shaft outermost end as seven gear gear trains of top gear, can slow down the impact on the first input shaft of the centrifugal force that produces due to High Rotation Speed, extend working life, further made the speed changer running safer stable.

The accompanying drawing explanation

Fig. 1 is structural configuration schematic diagram in speed changer of the present invention;

Wherein:

1-the first input shaft, 2-the second input shaft, 3-the first output shaft, 4-the second output shaft, 5-mono-or three gear synchronizers, 6-bis-or four gear synchronizers, 7-six reverse gear synchronizers, 8-five or seven gear synchronizers, 9-deceleration driven gear, K1 is first clutch, K2 is second clutch,

17-seven gear driving gears, 11-mono-gear driving gear, 15-five gear driving gears, 13-tri-gear driving gears, 24-tetra-gear driving gears, 22-bis-gear driving gears,

31-mono-gear driven gear, 33-tri-gear driven gears, 34-tetra-gear driven gears, 32-bis-gear driven gears, 38-the first output gear,

47-seven gear driven gears, 45-five gear driven gears, 46-six gear driven gears, the 42-driven gear that reverses gear, 48-the second output gear.

Embodiment

For the purpose, technological scheme and the advantage that make the embodiment of the present invention is clearer, below in conjunction with accompanying drawing, specific embodiment is described in detail.

As shown in Figure 1, the embodiment of the present invention provides a kind of double-clutch automatic gearbox, and speed changer can comprise the housing (not shown), and housing seals the gear apparatus of speed changer at least in part.This gear apparatus can comprise various axles, intermeshing co-planar gear set, double clutch assembly and the synchronizer can selectivity engaged, as described herein.

Axle of the present invention can comprise the first input shaft 1 and second input shaft 2 of coaxial setting.

The first input shaft 1 can have the first input shaft first end and the first input shaft the second end contrary with described the first input shaft first end.The second input shaft 2 can have the second input shaft first end and the second input shaft the second end contrary with described the second input shaft first end.The two ends of the first input shaft 1 and the second input shaft 2 normally are arranged on case of transmission by bearing.

The second input shaft 2 is hollow shaft, and it is sleeved on described the first input shaft 1, makes between the first input shaft 1 and the second input shaft 2 and can rotate relatively freely.

Double clutch assembly of the present invention can comprise first clutch K1 and the second clutch K2 of nested, concentric.First clutch K1 is connected to the first input shaft 1 at the first input shaft first end place, in order to jointly rotate with the first input shaft 1.Second clutch K2 is connected to the second input shaft 2 at the second input shaft first end place, can jointly rotate with the second input shaft 2 equally.

Axle of the present invention can also comprise the first output shaft 3 and the second output shaft 4 parallel and that separation arranges.

Intermeshing co-planar gear set of the present invention can comprise seven groups of forward gear gear trains and a reverse gear group, is to be separately positioned on above-mentioned the first input shaft 1, the second input shaft 2, the first output shaft 3 and the second output shaft 4.

Particularly, be fixedly installed successively seven gear driving gears 17, a gear driving gear 11, five gear driving gears 15 and three gear driving gears 13 along the direction from the first input shaft the second end to the first input shaft first end on the first input shaft 1.And be fixedly installed successively four gear driving gears 24 and two gear driving gears 22 along the direction from the second input shaft the second end to the second input shaft first end on the second input shaft 2.And, in the present invention, four gear driving gears 24 are simultaneously as six gear driving gears; Two gear driving gears 23 are also simultaneously as reversing gear driving gear.

Simultaneously, the position corresponding with a described gear driving gear 11, three gear driving gears 13, four gear driving gears 24 and second gear driving gear 22 on described the first output shaft 3 is separately installed with a gear driven gear 31, three gear driven gears 33, four gear driven gears 34 and two gear driven gears 32.The position corresponding with described seven gear driving gears 17, five gear driving gears 15, four gear driving gears 24 and two gear driving gears 22 on described the second output shaft 4 is separately installed with seven gear driven gears 47, five gear driven gears 45, six gear driven gear 46 and the driven gears 42 that reverse gear.Therefore can find out, in speed changer of the present invention, in forward gear, outside 4 grades and 6 grades of shared driving gears, the driving gear of other gears is not shared, and so both has been conducive to reduce the whole axial length of speed changer, and is easy to the layout of car load; In addition, the ratio coverage of other gears is not subject to again the shared impact of gear train, makes speed changer more easily according to the demand of the vehicle of mating, carry out the adjustment of speed ratio, can adapt to more vehicle.

It in the present invention, between each corresponding driving gear and driven gear, is normal engagement.Particularly, wherein seven gear driving gears 17 and seven gear driven gears 47 are normal engagement, form seven grades of gear trains; One gear driving gear 11 and a gear driven gear 31 are normal engagement, form one grade of gear train; Five gear driving gears 15 and five gear driven gears 45 are normal engagement, form five grades of gear trains; Three gear driving gears 13 and three gear driven gears 33 are normal engagement, form the three-range transmission group; Four gear driving gears 24 and four gear driven gears 34 are normal engagement, form the fourth gear group; Four gear driving gears 24 and six gear driven gears 46 are normal engagement, form the six step tooth wheels; Two gear driving gears 22 and two gear driven gears 32 are normal engagement, form the intermediate gear group.In addition, two gear driven gears 32 are normal engagement with reverse gear driven gear 42, by using second gear driven gear 32 as reverse idler gear, by second gear driving gear 23, second gear driven gear 32 and reverse gear driven gear 42, form a triple gear in this example, realize the reverse gear function; Such structure can reduce the use of a reverse gear shaft and related components, has effectively reduced the radial dimension in speed changer, makes assembling simpler, also is conducive to light-weighted realization.

It should be noted that, in the present invention, be no matter gear order of placement on the first input shaft 1 or the second input shaft 2 not necessarily according to shown in Fig. 1, from left to right be followed successively by seven gears, a gear, five gears, three gears, four gears, six gears, two gear/R and keep off.Can be also that modes such as three gears, five gears, a gear, seven gears, four gears, six gears, two gear/R gears is arranged, be equally in protection domain of the present invention.But, consider in top gear gear rotary course particularly and can produce very large centrifugal force, if now the top gear gear is arranged on the first inclined to one side intermediate portion of input shaft 1, the phenomenon such as may more easily cause the first input shaft 1 bending or fracture; So be according to the arrangement in Fig. 1 in this example, to be arranged on the first input shaft 1 outermost end as seven gear gear trains of top gear, near bearing is installed, can extend like this working life of the first input shaft 1, further make the speed changer running safer stable.

Synchronizer of the present invention can comprise four, is separately positioned between the driven gear of adjacent two gears.Particularly, on the first output shaft 3 between a gear driven gear 31 and three gear driven gears 33, be fixed with one or three gear synchronizers 5, optionally the first gear moment of torsion and the 3rd gear moment of torsion passed to the first output shaft 3.Be fixed with two or four gear synchronizers 6 on the first output shaft 3 between four gear driven gears 34 and two gear driven gears 32, optionally the 4th gear moment of torsion and the moment of torsion that reverses gear passed to the first output shaft 3.Be fixed with six reverse gear synchronizers 7 on six gear driven gears 46 and the second output shaft 4 of reversing gear between driven gear 42, optionally the 6th gear moment of torsion and the second gear moment of torsion passed to the second output shaft 4.Be fixed with five or seven gear synchronizers 8 on the second output shaft 4 between seven gear driven gears 47 and five gear driven gears 45, optionally the 7th gear moment of torsion and the 5th gear moment of torsion passed to the second output shaft 4.

Finally, the first output shaft 3 ends of the present invention can also be fixedly connected with the first output gear 38, are used for exporting the moment of torsion of described the first output shaft 3.Equally, in the second output shaft 4 ends, also can be fixedly connected with the second output gear 48, be used for exporting the moment of torsion of described the second output shaft 4, the output torque mode is similar to most of double clutch construction herein, repeats no more.

Seven forward gears of the present invention and a power transmission line reversed gear are as follows:

During one gear, first clutch K1 closure, the moment of torsion of motor is passed to the first input shaft 1 by first clutch K1; A gear driving gear 11 on the first input shaft 1 is passed to a gear driven gear 31; One gear driven gear 31 engages with one or three gear synchronizers 5, transfers a torque to the first output shaft 3, then through the first output gear 38 be passed to deceleration driven gear 9 also finally transmission go out.

When vehicle enters a gear, second clutch K2 is in off state, transferring power not, when vehicle accelerates to the shifting points of two gears, automatic gearshift can change to two gears in advance by gear, is about to two or four gear synchronizers 6 and engages with two gear driven gears 32, then first clutch K1 disconnects, second clutch K2 closure, shift process finishes, and vehicle enters two gears.

During two gears, second clutch K2 closure, the moment of torsion of motor is passed to the second input shaft 2 by second clutch K2; Two gear driving gears 22 on the second input shaft 2 are passed to two gear driven gears 32; Two gear driven gears 32 engage with two or four gear synchronizers 6, transfer a torque to the first output shaft 3, then through the first output gear 38 be passed to deceleration driven gear 9 also finally transmission go out.

When vehicle enters two gears, the electrical control unit of automatic transmission in general vehicle can judge according to relevant sensor signals the state of the current operation of vehicle, so the judgement vehicle be about to hang into gear, as vehicle accelerates, next gear is three gears, and as vehicle deceleration, next gear is a gear.And a gear and three gears are by first clutch K1 control, because first clutch K1 is now in off state, transferring power not, therefore can change in advance the gear that is about to carry out work by automatic gearshift.When vehicle reaches shifting points, only need the second clutch K2 that will work to disconnect, first clutch K1 is closed simultaneously gets final product, the transfer sequence of two clutches of working good, whole shift process completes.The handoff procedure of other forward gears is also so, is below no longer repeated.

During three gears, first clutch K1 closure, the moment of torsion of motor is passed to the first input shaft 1 by first clutch K1; Three gear driving gears 13 on the first input shaft 1 are passed to three gear driven gears 33; Three gear driven gears 33 engage with one or three gear synchronizers 5, transfer a torque to the first output shaft 3, then through the first output gear 38 be passed to deceleration driven gear 9 also finally transmission go out.

During four gears, second clutch K2 closure, the moment of torsion of motor is passed to the second input shaft 2 by second clutch K2; Four gear driving gears 24 on the second input shaft 2 are passed to four gear driven gears 34; Four gear driven gears 34 engage with two or four gear synchronizers 6, transfer a torque to the first output shaft 3, then through the first output gear 38 be passed to deceleration driven gear 9 also finally transmission go out.

During five gears, first clutch K1 closure, the moment of torsion of motor is passed to the first input shaft 1 by first clutch K1; Five gear driving gears 15 on the first input shaft 1 are passed to five gear driven gears 45; Five gear driven gears 45 engage with five or seven gear synchronizers 8, transfer a torque to the second output shaft 4, then through the second output gear 48 be passed to deceleration driven gear 9 also finally transmission go out.

During six gears, second clutch K2 closure, the moment of torsion of motor is passed to the second input shaft 2 by second clutch K2; Four gear driving gears 24 on the second input shaft 2 are passed to six gear driven gears 46; Six gear driven gears 46 engage with six reverse gear synchronizers 7, transfer a torque to the second output shaft 4, then through the second output gear 48 be passed to deceleration driven gear 9 also finally transmission go out.

During seven gears, first clutch K1 closure, the moment of torsion of motor is passed to the first input shaft 1 by first clutch K1; Seven gear driving gears 17 on the first input shaft 1 are passed to seven gear driven gears 47; Seven gear driven gears 47 engage with five or seven gear synchronizers 8, transfer a torque to the second output shaft 4, then through the second output gear 48 be passed to deceleration driven gear 9 also finally transmission go out.

While reversing gear, second clutch K2 closure, the moment of torsion of motor is passed to the second input shaft 2 by second clutch K2; As shown in the direction of arrow in Fig. 1, first two gear driving gears 22 on the second input shaft 2 are passed to two gear driven gears 32 especially; Drive to by two gear driven gears 32 driven gear 42 that reverses gear again, the driven gear 42 that reverses gear engages with six reverse gear synchronizers 7, transfers a torque to the second output shaft 4, then is passed to deceleration driven gear 9 and final transmission is gone out through the second output gear 48.

The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (7)

1. a double-clutch automatic gearbox comprises:
The first input shaft (1), it has the first input shaft first end and the first input shaft the second end contrary with described the first input shaft first end;
First clutch, it is connected to described the first input shaft (1) at described the first input shaft first end place;
The second input shaft (2), it has the second input shaft first end and the second input shaft the second end contrary with described the second input shaft first end;
Second clutch, it is connected to described the second input shaft (2) at described the second input shaft first end place;
Described the second input shaft (2) is hollow shaft, and it is sleeved on described the first input shaft (1);
The independent seven gear driving gears (17) that arrange, a gear driving gear (11), five gear driving gears (15) and three gear driving gears (13), it is fixedly attached to respectively described the first input shaft (1);
The independent four gear driving gears (24) that arrange and two gear driving gears (22), it is fixedly attached to respectively described the second input shaft (2); Wherein, described four gear driving gears (24) are simultaneously as six gear driving gears; Described two gear driving gears (22) are simultaneously as reversing gear driving gear, to omit reverse gear shaft;
The first output shaft (3) and the second output shaft (4), on it respectively empty set be provided with the driven gear of engagement corresponding to each driving gear.
2. double-clutch automatic gearbox according to claim 1, it is characterized in that, described seven gear driving gears (17), a described gear driving gear (11), described five gear driving gears (15) and described three gear driving gears (13) above set gradually along the direction from described the first input shaft the second end to described the first input shaft first end at described the first input shaft (1).
3. double-clutch automatic gearbox according to claim 1 and 2, it is characterized in that, described four gear driving gears (24), described six gear driving gears and described two gear driving gears (22) above set gradually along the direction from described the second input shaft the second end to described the second input shaft first end at described the second input shaft (2).
4. double-clutch automatic gearbox according to claim 1, it is characterized in that, the position corresponding with a described gear driving gear (11), three gear driving gears (15), four gear driving gears (24) and second gear driving gear (22) on described the first output shaft (3) is separately installed with a gear driven gear (31), three gear driven gears (33), four gear driven gears (34) and two gear driven gears (32).
5. double-clutch automatic gearbox according to claim 4, is characterized in that, is fixed with one or three gear synchronizers (5) on described the first output shaft (3) between a described gear driven gear (31) and three gear driven gears (33); Be fixed with two or four gear synchronizers (6) on described the first output shaft (3) between described four gear driven gears (34) and two gear driven gears (32).
6. double-clutch automatic gearbox according to claim 1, it is characterized in that, the position corresponding with described seven gear driving gears (17), five gear driving gears (15), four gear driving gears (24) and two gear driving gears (22) on described the second output shaft (4) is separately installed with seven gear driven gears (47), five gear driven gears (45), six gear driven gear (46) and the driven gears that reverse gear (42).
7. double-clutch automatic gearbox according to claim 6, is characterized in that, on described the second output shaft (4) between described six gear driven gears (46) and the driven gear that reverses gear (42), is fixed with six reverse gear synchronizers (7); Be fixed with five or seven gear synchronizers (8) on described the second output shaft (4) between described seven gear driven gears (47) and five gear driven gears (45).
CN2013103470377A 2013-08-09 2013-08-09 Double-clutch automatic gearbox CN103438161A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105202126A (en) * 2014-06-30 2015-12-30 广州汽车集团股份有限公司 Seven-speed double-clutch type automatic transmission
CN105333073A (en) * 2014-06-30 2016-02-17 广州汽车集团股份有限公司 Seven-speed dual clutch type automatic transmission
CN105443673A (en) * 2014-06-30 2016-03-30 广州汽车集团股份有限公司 Seven-speed dual-clutch type automatic gearbox
CN107539092A (en) * 2016-06-29 2018-01-05 比亚迪股份有限公司 Power-driven system and vehicle

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Publication number Priority date Publication date Assignee Title
JPH0361764A (en) * 1989-07-28 1991-03-18 Toyosha Kk Transmission mechanism for agricultural tractor
CN201827306U (en) * 2010-10-21 2011-05-11 浙江吉利汽车研究院有限公司 Double-clutch type automatic transmission
CN201916428U (en) * 2010-12-20 2011-08-03 浙江吉利汽车研究院有限公司 Dual-clutch automatic transmission
CN202152833U (en) * 2011-07-21 2012-02-29 安徽江淮汽车股份有限公司 Transmission device of double clutch transmission
CN202431850U (en) * 2011-12-31 2012-09-12 绵阳新晨动力机械有限公司 Double-clutch transmission
CN203463568U (en) * 2013-08-09 2014-03-05 浙江吉利汽车研究院有限公司 Double-clutch automatic transmission

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0361764A (en) * 1989-07-28 1991-03-18 Toyosha Kk Transmission mechanism for agricultural tractor
CN201827306U (en) * 2010-10-21 2011-05-11 浙江吉利汽车研究院有限公司 Double-clutch type automatic transmission
CN201916428U (en) * 2010-12-20 2011-08-03 浙江吉利汽车研究院有限公司 Dual-clutch automatic transmission
CN202152833U (en) * 2011-07-21 2012-02-29 安徽江淮汽车股份有限公司 Transmission device of double clutch transmission
CN202431850U (en) * 2011-12-31 2012-09-12 绵阳新晨动力机械有限公司 Double-clutch transmission
CN203463568U (en) * 2013-08-09 2014-03-05 浙江吉利汽车研究院有限公司 Double-clutch automatic transmission

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105202126A (en) * 2014-06-30 2015-12-30 广州汽车集团股份有限公司 Seven-speed double-clutch type automatic transmission
CN105333073A (en) * 2014-06-30 2016-02-17 广州汽车集团股份有限公司 Seven-speed dual clutch type automatic transmission
CN105443673A (en) * 2014-06-30 2016-03-30 广州汽车集团股份有限公司 Seven-speed dual-clutch type automatic gearbox
CN107539092A (en) * 2016-06-29 2018-01-05 比亚迪股份有限公司 Power-driven system and vehicle

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Application publication date: 20131211