CN203248629U - Multi-gear multi-clutch speed change device - Google Patents
Multi-gear multi-clutch speed change device Download PDFInfo
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- CN203248629U CN203248629U CN 201320224690 CN201320224690U CN203248629U CN 203248629 U CN203248629 U CN 203248629U CN 201320224690 CN201320224690 CN 201320224690 CN 201320224690 U CN201320224690 U CN 201320224690U CN 203248629 U CN203248629 U CN 203248629U
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Abstract
The utility model relates to a multi-gear multi-clutch speed change device. The multi-gear multi-clutch speed change device comprises a main input shaft, a main output shaft, input side multiple clutches, output side multiple clutches and a middle shaft. The input side multiple clutches comprise input ends which are in coaxial transmission connection with the main input shaft, two clutch output shafts and an input clutch mechanism. The output side multiple clutches comprise output ends in coaxial transmission connection with the main output shaft, two clutch input shafts and an output clutch mechanism. More than two gear selecting and changing gear sets are arranged between each clutch output shaft and the corresponding section of the middle shaft and between each clutch input shaft and the corresponding section of the middle shaft respectively and used for transmitting torque between the middle shaft and the corresponding input side multiple clutches or the corresponding output side multiple clutches. Corresponding idler gears and corresponding synchronizers are included in each gear selecting and changing gear set, and the main input shaft and the main output shaft are coaxially arranged. The multi-gear multi-clutch speed change device can meet the demands for multiple gears.
Description
Technical field
The utility model relates to a kind of many grades of multi-clutch speed change gears.
Background technique
At present speed changer technical development is rapid, double-clutch automatic gearbox particularly, and its technology is comparative maturity and because it has solved the problem that power transmission interrupts preferably, recently uses more and more.For example application number is 20082009555.6, notification number is disclosed a kind of double clutch five gear automatic speed variators of the Chinese patent of CN 201265630Y, comprise that for the primary input axle that connects power source, double clutch, jack shaft and the main output shaft that is connected with primary input shaft drive double clutch comprises the input end, odd number shelves transmission shaft, the even number shelves transmission shaft that are connected with primary input axle coaxial transmission, reaches the clutch mechanism that is connected with odd number shelves transmission shaft or even number shelves transmission shaft driven for the selection input end.Be equipped with between the corresponding section of described odd number shelves transmission shaft and even number shelves transmission shaft and jack shaft corresponding strange, even number shelves gear train and corresponding very, even number shelves synchronizer, very, even number shelves gear train includes the free gear that on the corresponding axle of its transmitting torque empty set is rotated assembling, free gear that can be in paired odd number shelves gear train or the even number shelves gear train during corresponding synchronizer action and place axle another continuation maintenance empty set with transmitting torque that is connected.Because the corresponding odd number shelves of a clutch in the double clutch, the corresponding even number shelves of another clutch, when vehicle is hung into a gear, another clutch and corresponding next gear are in readiness by corresponding synchronizer, as long as separating, current gear just can engage at once next gear, therefore two clutch gearboxes select switching speed very fast, solved preferably the problem that power transmission interrupts.
Yet, although dual-clutch transmission of the prior art can solve the problem that power transmission interrupts preferably, but, gear complicated at applying working condition requires in the more situation, and existing dual-clutch transmission can't satisfy the demand for control in the above-mentioned situation.
The model utility content
The purpose of this utility model provides a kind of many grades of multi-clutch speed change gears that can satisfy many gears demand.
The technical solution adopted in the utility model is: a kind of many grades of multi-clutch speed change gears, comprise for the primary input axle of power input, the main output shaft of outputting power, and also comprise input side multi-clutch, outlet side multi-clutch, jack shaft; The input side multi-clutch comprises the input end that is connected with primary input axle coaxial transmission, two clutch output shafts and be used for the input clutch mechanism of selecting input end and one of them clutch output shaft to be in transmission connection, the outlet side multi-clutch comprises the output terminal that is connected with the main output shaft coaxial transmission, two clutch input shafts and be used for the output clutch mechanism of selecting output terminal and one of them clutch input shaft to be in transmission connection, between the corresponding section of described each root clutch output shaft and jack shaft, be respectively equipped with between the corresponding section of described each root clutch input shaft and jack shaft in jack shaft and the corresponding plural change gear group of selecting of transmitting torque between input side multi-clutch or the outlet side multi-clutch, described each select and include the free gear that on the corresponding axle of its transmitting torque empty set is rotated assembling in the change gear group, corresponding with same clutch output shaft or same clutch input shaft plurally select the free gear in the change gear group to select the gear shift gear with in couples adjacent arrangement of one-to-one relationship by what set, be provided with the synchronizer that for selecting this one of them right free gear and place axle to be connected another free gear continues the maintenance empty set between the two paired free gears.
Described primary input axle, jack shaft, main output shaft are radially to be arranged in parallel side by side.
Describedly select one group in the change gear group to be provided with reverse idler gear, the reverse gear shaft of described reverse idler gear by correspondence rotates and is assemblied on the many grades of multi-clutch speed change gears.
Described many grades of multi-clutch speed change gears are provided be used to the clutch operation of controlling described input clutch mechanism and the action of output clutch mechanism, for the selector device that selects of controlling each described synchronizer action.
Described many grades of multi-clutch speed change gears comprise corresponding described primary input axle, main output shaft, jack shaft, two clutch input shafts, the speed probe for detection of the rotating speed of each root axle that two clutch output shafts and reverse gear shaft arrange, also comprise be used to the rotary speed information that obtains described speed probe and according to rotary speed information and control described clutch operation and the electronic control unit that selects the selector device action, the signal output part of speed probe is connected with the signal input part of electronic control unit, electronic control unit and described clutch operation and select the selector device control connection.
Described input side multi-clutch also comprise for to the load output shaft of the load device output torque of correspondence, be used for load clutch mechanism that input end and load output shaft are in transmission connection.
Adopt the technique scheme in the utility model, by the input side multi-clutch, corresponding change gear group and the synchronizer of selecting, the primary input axle can be to jack shaft output kind of the number rotating speed identical with the corresponding group number that selects the change gear group, again by the outlet side multi-clutch, corresponding change gear group and the synchronizer of selecting, the a certain rotating speed that jack shaft can be obtained be transformed into the rotating speed that kind of number equals the group number that select change gear group corresponding with the outlet side multi-clutch again, finally can equal the rotating speed that selects the change gear group group number product that select change gear group group number corresponding with the outlet side multi-clutch corresponding to input side multi-clutch to main output shaft output kind of a number, can satisfy many gears demand.
Description of drawings
Fig. 1 a: embodiment's of a kind of many grades of multi-clutch speed change gears of the utility model drive mechanism schematic diagram;
Fig. 2: the spatial relation schematic representation of the main output shaft in the utility model, primary input axle, jack shaft and reverse gear shaft.
The name of each reference character is called among the figure: the 1-housing, the 2-reverse gear shaft, the 3-reverse idler gear, 4-load output shaft, the 5-reverse driving gear, 6-input side II shelves driving gear, 7-even number shelves clutch output shaft, 8-input side III shelves driving gear, 9-odd number shelves clutch output shaft, 10-input side I shelves driving gear, 11-input side odd number shelves clutch, 12-input side even number shelves clutch, 13-load output clutch, 14-input side clutch housing, the 15-speed probe, 16-primary input axle, 17-motor, 18-input side I shelves driven gear, 19-input side odd number shelves synchronizer, 20-input side III shelves driven gear, 21-outlet side IV shelves driving gear, 22-outlet side II shelves driving gear, 23-input side II shelves driven gear, 24-input side even number shelves synchronizer, 25-reverse gear driven gear, the 26-jack shaft, 27-outlet side III shelves driving gear, 28-outlet side odd number shelves synchronizer, 29-outlet side I shelves driving gear, the 30-clutch operation, the 31-main output shaft, 32-outlet side even number shelves clutch, 33-outlet side odd number shelves clutch, 34-outlet side clutch housing, 35-outlet side I shelves driven gear, 36-outlet side III shelves driven gear, 37-odd number shelves clutch input shaft, 38-selects selector device, 39-outlet side II shelves driven gear, 40-outlet side even number shelves synchronizer, 41-outlet side IV shelves driven gear, 42-even number shelves clutch input shaft, the 43-electronic control unit.
Embodiment
An embodiment of the present utility model such as Fig. 1 ~ shown in Figure 2, many grades of multi-clutch speed change gears that use in a kind of many grades of tractors, comprise housing 1, with primary input axle 16, jack shaft 26, main output shaft 31, input side multi-clutch and outlet side multi-clutch that the output shaft of motor 17 is in transmission connection, also comprise by the clutch operation 30 of correspondence, the speed change gear control system of selecting selector device 38, speed probe 15 and electronic control unit 43 etc. to consist of.
The input side multi-clutch comprises input side clutch housing 14, the input end that is connected with primary input axle 16 coaxial transmissions, odd number shelves clutch output shaft 9, even number shelves clutch output shaft 7 and is used for the input clutch mechanism of selecting input end and one of them clutch output shaft to be in transmission connection, also comprises for to the load output shaft 4 of the farm implements even load device output torque of correspondence, for the load clutch mechanism that input end and load output shaft 4 are in transmission connection.Input end and corresponding clutch output shaft, input clutch mechanism are equivalent to a clutch, input end and corresponding load output shaft 4, load clutch mechanism also are equivalent to a clutch, and input side multi-clutch corresponding in the present embodiment comprises input side odd number shelves clutch 11, input side even number shelves clutch 12 and load output clutch 13.Wherein load output shaft 4 is solid shaft forms, and odd number shelves clutch output shaft 9 and even number shelves clutch output shaft 7 are that coaxial sleeve is located at the axle sleeve form on the load output shaft 4.The input side that is equipped with for transmitting torque between jack shaft 26 and input side multi-clutch between the corresponding section of each root clutch output shaft and jack shaft 26 selects the change gear group, and described input side selects the change gear group to comprise that the two group input side odd number shelves corresponding with odd number shelves clutch output shaft 9 select the change gear group, select change gear group and one group of reverse gear to select the change gear group with one group of input side even number shelves corresponding to even number shelves clutch output shaft 7.
Select the gear shift gear according to what set, input side odd number shelves select the change gear group to comprise that input side I shelves select change gear group, input side III shelves to select the change gear group.Input side I shelves select the change gear group to comprise input side I shelves driving gear 10 and input side I shelves driven gear 18, and input side III shelves select the change gear group to comprise input side III shelves driving gear 8 and input side III shelves driven gear 20.
Input side even number shelves select the change gear group to comprise that input side II shelves select the change gear group, and input side II shelves select the change gear group to comprise input side II shelves driving gear 6 and input side II shelves driven gear 23.Reverse gear selects the change gear group to comprise reverse driving gear 5, reverse idler gear 3 and reverse gear driven gear 25, described reverse idler gear 3 is that the reverse gear shaft 2 by correspondence rotates and is assemblied on the housing 1 of many grades of multi-clutch speed change gears, is used for changing turning to of jack shaft 26.
Wherein input side I shelves driving gear 10, input side III shelves driving gear 8 are to be installed on the odd number shelves clutch output shaft 9, input side II shelves driving gear 6, reverse driving gear 5 are to be installed on the even number shelves clutch output shaft 7, and input side I shelves driven gear 18, input side III shelves driven gear 20, input side II shelves driven gear 23, reverse gear driven gear 25 all to be empty sets rotate is assemblied on the jack shaft 26.Input side I shelves driven gear 18, input side III shelves driven gear 20 are in couples adjacent arrangements, are provided with the input side odd number shelves synchronizer 19 of another continuation maintenance empty set for selecting one of them and jack shaft 26 to be connected between the two; Input side II shelves driven gear 23, reverse gear driven gear 25 also are in couples adjacent arrangements, are provided with the input side even number shelves synchronizer 24 of another continuation maintenance empty set for selecting one of them and jack shaft 26 to be connected between the two.It is to select the setting of gear shift gear according to what set that each group is selected the velocity ratio of change gear group.
The outlet side multi-clutch comprises outlet side multi-clutch shell, the output terminal that is connected with main output shaft 31 coaxial transmissions, odd number shelves clutch input shaft 37, even number shelves clutch input shaft 42 and is used for the output clutch mechanism of selecting output terminal and one of them clutch input shaft to be in transmission connection.Output terminal and corresponding clutch input shaft, output clutch mechanism are equivalent to a clutch, and outlet side multi-clutch corresponding in the present embodiment comprises outlet side odd number shelves clutch 33 and outlet side even number shelves clutch 32.Wherein even number shelves clutch input shaft 42 is solid shaft forms, and odd number shelves clutch input shaft 37 is that coaxial sleeve is located at the axle sleeve form on the even number shelves clutch input shaft 42.The outlet side that is equipped with for transmitting torque between jack shaft 26 and outlet side multi-clutch between the corresponding section of each root clutch input shaft and jack shaft 26 selects the change gear group, and described outlet side selects the change gear group to comprise that the two group outlet side odd number shelves corresponding with odd number shelves clutch input shaft 37 select the change gear group, select the change gear group with two groups of outlet side even number shelves corresponding to even number shelves clutch input shaft 42.
Select the gear shift gear according to what set, outlet side odd number shelves select the change gear group to comprise that outlet side I shelves select change gear group and outlet side III shelves to select the change gear group.Outlet side I shelves select the change gear group to comprise outlet side I shelves driving gear 29 and outlet side I shelves driven gear 35, and outlet side III shelves select the change gear group to comprise outlet side III shelves driving gear 27 and outlet side III shelves driven gear 36.
Outlet side even number shelves select the change gear group to comprise that outlet side II shelves select change gear group and outlet side IV shelves to select the change gear group, outlet side II shelves select the change gear group to comprise outlet side II shelves driving gear 22 and outlet side II shelves driven gear 39, and outlet side IV shelves select the change gear group to comprise outlet side IV shelves driving gear 21 and outlet side IV shelves driven gear 41.
Wherein outlet side I shelves driving gear 29, outlet side III shelves driving gear 27 all are that the empty set rotation is assemblied on the jack shaft 26, outlet side II shelves driving gear 22, outlet side IV shelves driving gear 21 all are to be installed on the jack shaft 26, and outlet side I shelves driven gear 35, outlet side III shelves driven gear 36 are to be installed on the odd number shelves clutch input shaft 37, and outlet side II shelves driven gear 39, outlet side IV shelves driven gear 41 are that empty set is rotated and is assemblied on the even number shelves clutch input shaft 42.Outlet side I shelves driving gear 29 is in couples adjacent arrangements with outlet side III shelves driving gear 27, is provided with the outlet side odd number shelves synchronizer 28 of another continuation maintenance empty set for selecting one of them and jack shaft 26 to be connected between the two; Outlet side II shelves driven gear 39, outlet side IV shelves driven gear 41 also are in couples adjacent arrangements, are provided with the outlet side even number shelves synchronizer 40 of another continuation maintenance empty set for selecting one of them and even number shelves clutch input shaft 42 to be connected between the two.It is to select the setting of gear shift gear according to what set that each group is selected the velocity ratio of change gear group.
As shown in Figure 2, described primary input axle 16, jack shaft 26, main output shaft 31 are radially to be arranged in parallel side by side, and the three with axially vertical plane in projection be triangularly arranged, can reduce the overall dimensions of speed change gear.
Clutch operation 30 is used for each clutch operating of control, selects selector device 38 to be used for each synchronizer action of control.In the prior art, utilize the clutch operation 30 corresponding clutch operatings of control and selectively with the combination of the input end of corresponding clutch and clutch output shaft or output terminal and clutch input shaft or separate, and utilize select selector device realize the control of synchronizer is in transmission connection selectively respective axes of rotation and on it gear of empty set all are conventional techniques means of related domain, concrete structure corresponding in the present embodiment is that those skilled in the art can realize, repeats no more herein.
Corresponding described primary input axle 16 on many grades of multi-clutch speed change gears, main output shaft 31, jack shaft 26, two clutch input shafts, two clutch output shafts, reverse gear shaft 2 and load output shafts 4 are provided with the speed probe 15 for detection of the rotating speed of each root axle.Electronic control unit is ECU, is that related domain is used to control the conventional means that selects selector device and clutch operation action, and concrete structure corresponding in the present embodiment is that those skilled in the art can realize, repeats no more herein.Electronic control unit 43 can obtain the rotary speed information of described speed probe 15 and control described clutch operation 30 and select selector device 38 actions according to rotary speed information, the signal output part of speed probe 15 is connected with the signal input part of electronic control unit 43, and electronic control unit 43 is with described clutch operation 30 and select selector device 38 control connections.
During work, the separately relatively independent work of input side multi-clutch and outlet side multi-clutch, each synchronizer, each speed probe 15 can detect the rotating speed of each corresponding shaft and send to electronic control unit 43, thereby the running state of identification and judgement speed change gear, according to the process of power shift that selects of setting, when needs select gear-change operation, by clutch operation 30 with select selector device 38 to control respectively each clutch and select the gear shift action with each synchronizer, realization automatic speed changing.
In the input side multi-clutch combination of each clutch with separate and the rotating speed of the bonding state of input side odd number shelves synchronizer 19, input side even number shelves synchronizer 24 on can co-controlling jack shaft 26.In the outlet side multi-clutch, the a certain rotating speed that jack shaft 26 obtains is through the bonding state of outlet side odd number shelves synchronizer 28, outlet side even number shelves synchronizer 40, and the combination of outlet side odd number shelves clutch 33 and outlet side even number shelves clutch 32 can be exported different rotating speeds to main output shaft 31 with separating.The many grades of multi-clutch speed change gears of the utility model above-described embodiment can be realized 12 forward gearss and 4 reverse gears, realized more gear with better simply structure, size is little, volume is little, the gear wide ranges, can satisfy the requirement to speed under various working conditions of middle-size and small-size tractor.
When selecting gear shift, can keep the input side clutch state constant and change the outlet side clutch state and select gear shift, keep the outlet side clutch state constant and change the input side clutch state and select gear shift, the state of the state of input side clutch and outlet side clutch is changed simultaneously select gear shift.
The transfer route of each grade is similar during many grades of multi-clutch speed change gear work, and transfer principle is identical.Tell about specifically hereinafter that reverse gear is the most high-grade, reverse gear lowest gear and forward gears is the most high-grade, state and the power transmission line of each parts during four kinds of situations of forward gears lowest gear, the rest may be inferred for all the other gears, no longer specifically narration.
Forward gears lowest gear: load output clutch 13 combinations, carry out load output, 11 combinations of input side odd number shelves clutch, 32 combinations of outlet side even number shelves clutch, the left side combination of input side odd number shelves synchronizer 19 in Fig. 1, the left side combination of outlet side odd number shelves synchronizer 28 in Fig. 1.Power transmission line is: primary input axle 16 reaches odd number shelves clutch output shaft 9, engagement through the driving and driven gear of input side I shelves reaches jack shaft 26, reach even number shelves clutch input shaft 42 by jack shaft 26 through the engagement of the driving and driven gear of outlet side IV shelves again, reach at last main output shaft 31.
Forward gears is the most high-grade: 13 combinations of load output clutch, carry out load output, 11 combinations of input side odd number shelves clutch, 33 combinations of outlet side odd number shelves clutch, the right side combination of input side odd number shelves synchronizer 19 in Fig. 1, the right side combination of outlet side even number shelves synchronizer 40 in Fig. 1.Power transmission line is: primary input axle 16 reaches odd number shelves clutch output shaft 9, engagement through the driving and driven gear of input side III shelves reaches jack shaft 26, reach odd number shelves clutch input shaft 37 by jack shaft 26 through the engagement of the driving and driven gear of outlet side I shelves again, reach at last main output shaft 31.
Reverse gear lowest gear: load output clutch 13 combinations, carry out load output, 12 combinations of input side even number shelves clutch, 32 combinations of outlet side even number shelves clutch, the right side combination of input side even number shelves synchronizer 24 in Fig. 1, the left side combination of outlet side odd number shelves synchronizer 28 in Fig. 1.Power transmission line is: primary input axle 16 reaches even number shelves clutch output shaft 7, reach jack shaft 26 through reverse driving gear 5 and the engagement of reverse idler gear 3 and the engagement of reverse idler gear 3 and reverse gear driven gear 25, reach even number shelves clutch input shaft 42 by jack shaft 26 through the engagement of the driving and driven gear of outlet side IV shelves again, reach at last main output shaft 31.
Reverse gear is the most high-grade: 13 combinations of load output clutch, carry out load output, 12 combinations of input side even number shelves clutch, 33 combinations of outlet side odd number shelves clutch, the right side combination of input side even number shelves synchronizer 24 in Fig. 1, the right side combination of outlet side even number shelves synchronizer 40 in Fig. 1.Power transmission line is: primary input axle 16 reaches even number shelves clutch output shaft 7, reach jack shaft 26 through reverse driving gear 5 and the engagement of reverse idler gear 3 and the engagement of reverse idler gear 3 and reverse gear driven gear 25, reach odd number shelves clutch input shaft 37 by jack shaft 26 through the engagement of the driving and driven gear of outlet side I shelves again, reach at last main output shaft 31.
Input side in above-described embodiment is strange, even number shelves synchronizer and outlet side odd number shelves synchronizer 28 are arranged on the jack shaft 26, outlet side even number shelves synchronizer 40 is arranged on the even number shelves clutch input shaft 42, in other embodiments of the present utility model, input side is strange, even number shelves synchronizer also can correspondence be arranged on that input side is strange, on the even number shelves transmission shaft, outlet side odd number shelves synchronizer 28 also can be arranged on the odd number shelves clutch input shaft 37, and outlet side even number shelves synchronizer 40 also can be arranged on the jack shaft 26.In addition, input side is strange, even number shelves gear train and outlet side quantity strange, even number shelves gear train middle gear group also can be set to more than three, to adapt to the gear demand of varying number.And reverse idler gear 3 is arranged in the input side even number shelves gear train in above-described embodiment, and in other embodiments of the present utility model, reverse idler gear 3 can be arranged on also that input side odd number shelves gear train or outlet side are strange, in the even number shelves gear train.
Claims (6)
1. one kind many grades multi-clutch speed change gears comprise for the primary input axle of power input, the main output shaft of outputting power, it is characterized in that: also comprise input side multi-clutch, outlet side multi-clutch, jack shaft; The input side multi-clutch comprises the input end that is connected with primary input axle coaxial transmission, two clutch output shafts and be used for the input clutch mechanism of selecting input end and one of them clutch output shaft to be in transmission connection, the outlet side multi-clutch comprises the output terminal that is connected with the main output shaft coaxial transmission, two clutch input shafts and be used for the output clutch mechanism of selecting output terminal and one of them clutch input shaft to be in transmission connection, between the corresponding section of described each root clutch output shaft and jack shaft, be respectively equipped with between the corresponding section of described each root clutch input shaft and jack shaft in jack shaft and the corresponding plural change gear group of selecting of transmitting torque between input side multi-clutch or the outlet side multi-clutch, described each select and include the free gear that on the corresponding axle of its transmitting torque empty set is rotated assembling in the change gear group, corresponding with same clutch output shaft or same clutch input shaft plurally select the free gear in the change gear group to select the gear shift gear with in couples adjacent arrangement of one-to-one relationship by what set, be provided with the synchronizer that for selecting this one of them right free gear and place axle to be connected another free gear continues the maintenance empty set between the two paired free gears.
2. a kind of many grades of multi-clutch speed change gears according to claim 1, it is characterized in that: described primary input axle, jack shaft, main output shaft are radially to be arranged in parallel side by side.
3. a kind of many grades of multi-clutch speed change gears according to claim 1 and 2, it is characterized in that: describedly select one group in the change gear group to be provided with reverse idler gear, the reverse gear shaft of described reverse idler gear by correspondence rotates and is assemblied on the many grades of multi-clutch speed change gears.
4. a kind of many grades of multi-clutch speed change gears according to claim 3 is characterized in that: many grades of multi-clutch speed change gears are provided be used to the clutch operation of controlling described input clutch mechanism and the action of output clutch mechanism, are used for the selector device that selects of each described synchronizer action of control.
5. a kind of many grades of multi-clutch speed change gears according to claim 4, it is characterized in that: many grades of multi-clutch speed change gears comprise corresponding described primary input axle, main output shaft, jack shaft, two clutch input shafts, the speed probe for detection of the rotating speed of each root axle that two clutch output shafts and reverse gear shaft arrange, also comprise be used to the rotary speed information that obtains described speed probe and according to rotary speed information and control described clutch operation and the electronic control unit that selects the selector device action, the signal output part of speed probe is connected with the signal input part of electronic control unit, electronic control unit and described clutch operation and select the selector device control connection.
6. a kind of many grades of multi-clutch speed change gears according to claim 1 and 2 is characterized in that: described input side multi-clutch also comprise for to the load output shaft of the load device output torque of correspondence, be used for load clutch mechanism that input end and load output shaft are in transmission connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320224690 CN203248629U (en) | 2013-04-28 | 2013-04-28 | Multi-gear multi-clutch speed change device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320224690 CN203248629U (en) | 2013-04-28 | 2013-04-28 | Multi-gear multi-clutch speed change device |
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| Publication Number | Publication Date |
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| CN203248629U true CN203248629U (en) | 2013-10-23 |
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| CN 201320224690 Withdrawn - After Issue CN203248629U (en) | 2013-04-28 | 2013-04-28 | Multi-gear multi-clutch speed change device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277467A (en) * | 2013-04-28 | 2013-09-04 | 河南科技大学 | Multi-gear multi-clutch speed change device |
| CN106979282A (en) * | 2016-01-15 | 2017-07-25 | 杭州航验环境技术有限公司 | A kind of automatic transmission |
| ES2705089A1 (en) * | 2017-09-21 | 2019-03-21 | Univ Miguel Hernandez | MULTIPLE CLUTCH GEARBOX (Machine-translation by Google Translate, not legally binding) |
-
2013
- 2013-04-28 CN CN 201320224690 patent/CN203248629U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277467A (en) * | 2013-04-28 | 2013-09-04 | 河南科技大学 | Multi-gear multi-clutch speed change device |
| CN103277467B (en) * | 2013-04-28 | 2015-07-15 | 河南科技大学 | Multi-gear multi-clutch speed change device |
| CN106979282A (en) * | 2016-01-15 | 2017-07-25 | 杭州航验环境技术有限公司 | A kind of automatic transmission |
| ES2705089A1 (en) * | 2017-09-21 | 2019-03-21 | Univ Miguel Hernandez | MULTIPLE CLUTCH GEARBOX (Machine-translation by Google Translate, not legally binding) |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131023 Effective date of abandoning: 20150715 |
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| RGAV | Abandon patent right to avoid regrant |