CN102434647B - Mechanical hydraulic composite continuously variable transmission of engineering vehicle with brake energy recovering function - Google Patents
Mechanical hydraulic composite continuously variable transmission of engineering vehicle with brake energy recovering function Download PDFInfo
- Publication number
- CN102434647B CN102434647B CN201110310215XA CN201110310215A CN102434647B CN 102434647 B CN102434647 B CN 102434647B CN 201110310215X A CN201110310215X A CN 201110310215XA CN 201110310215 A CN201110310215 A CN 201110310215A CN 102434647 B CN102434647 B CN 102434647B
- Authority
- CN
- China
- Prior art keywords
- gear
- hydraulic
- gear set
- fixed shaft
- shaft
- 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
Images
Landscapes
- Transmission Devices (AREA)
Abstract
一种具有制动能量回收功能的工程车辆机液复合无级变速器，输入轴上设有机液联动定轴齿轮组，该齿轮组的从动轴的一端设有液压变量泵，液压变量泵的两端与液压马达的两端相连构成液压回路；液压变量泵的两端还分别接有溢流阀一、溢流阀二和换向阀一、换向阀二；换向阀一和换向阀二之间设有蓄能器，单向阀一和单向阀二的一端接油箱、另一端接在液压变量泵和液压马达的液压回路中；液压马达的输出轴上设有辅助定轴齿轮组一、二，辅助定轴齿轮组一与输入轴上的行星排一及行星排二相连，辅助定轴齿轮组二与输入轴上的行星排三相连；液压马达的输出轴上还设有制动器。它兼有液压传动无级调速和机械传动高效率的特点，又可进行能量回收，实现节能。
A mechanical-hydraulic compound continuously variable transmission for engineering vehicles with braking energy recovery function. The input shaft is equipped with a mechanical-hydraulic linkage fixed-axis gear set. One end of the driven shaft of the gear set is equipped with a hydraulic variable pump. The two hydraulic variable pumps The two ends of the hydraulic variable pump are connected with the two ends of the hydraulic motor to form a hydraulic circuit; the two ends of the hydraulic variable pump are also respectively connected with relief valve 1, relief valve 2, reversing valve 1, and reversing valve 2; reversing valve 1 and reversing valve There is an accumulator between the two, and one end of the check valve 1 and check valve 2 is connected to the oil tank, and the other end is connected to the hydraulic circuit of the hydraulic variable pump and the hydraulic motor; the output shaft of the hydraulic motor is provided with an auxiliary fixed shaft gear Groups 1 and 2, auxiliary fixed shaft gear set 1 is connected with planetary row 1 and planetary row 2 on the input shaft, auxiliary fixed shaft gear set 2 is connected with planetary row 3 on the input shaft; the output shaft of the hydraulic motor is also equipped with brakes. It combines the characteristics of stepless speed regulation of hydraulic transmission and high efficiency of mechanical transmission, and can also perform energy recovery to realize energy saving.
Description
Technical field
The present invention relates to a kind of speed changer of engineering vehicle.
Background technique
The every field of the extensive use such as engineering vehicle such as excavator, loader, bulldozer and tractor and social construction, to improving operating speed and quality, reduce labor intensity, reduce engineering cost and all play an important role.Due to the work under bad environment of engineering vehicle, load change is large, and operating mode is changeable, must have gearbox to adapt to this variation, each tool advantage of traditional mechanical transmission and hydraulic transmission gearbox, also each own narrow limitation.
In addition, some engineering journey vehicle (as tractor, excavator, loader etc.) needs to brake frequently in the course of the work, and present vehicle nearly all noenergy reclaims function, and the energy that in braking process, machinery inertial produces has all lost.
Summary of the invention
Purpose of the present invention just proposes a kind of compound stepless speed variator of engineering vehicle machine liquid with braking energy recovering function, and it has hydraulic transmission stepless speed regulation and the high efficiency characteristics of mechanical transmission concurrently, can carry out the energy recovery again, realizes energy-conservation.
The present invention solves its technical problem, the technological scheme that adopts is, a kind of compound stepless speed variator of engineering vehicle machine liquid with braking energy recovering function, comprise the clutch, break, planet row one, planet row two, the planet row three that are located on input shaft, a plurality of fixed axis gear groups that are connected with three planet rows, and a plurality of clutches on output shaft, it is characterized in that:
On described input shaft, establish organic liquor interlock fixed axis gear group, an end of the driven shaft of machine liquid interlock fixed axis gear group is provided with hydraulic variable displacement pump, and the two ends of hydraulic variable displacement pump are connected with the two ends of oil hydraulic motor and form oil hydraulic circuit; The two ends of hydraulic variable displacement pump also are connected to respectively relief valve one, relief valve two and selector valve one, selector valve two; Between selector valve one and selector valve two, be provided with accumulator, a termination fuel tank of one-way valve one and one-way valve two, the other end is connected in the oil hydraulic circuit of hydraulic variable displacement pump and oil hydraulic motor; One end of relief valve is by selector valve three access fuel tanks, and the other end is connected in the loop of hydraulic variable displacement pump and oil hydraulic motor; The output shaft of oil hydraulic motor is provided with auxiliary fixed axis gear group one, auxiliary fixed axis gear group two, and auxiliary fixed axis gear group one is connected with planet row one and planet row two, and auxiliary fixed axis gear group two is connected with planet row three; On the output shaft of oil hydraulic motor, also be provided with break.
Compared with prior art, the invention has the beneficial effects as follows:
One, during vehicle operating: the break on input shaft, planet row one, planet row two, planet row three, a plurality of fixed axis gear groups that are connected with three planet rows, and a plurality of clutches on output shaft, form three forward gears, two mechanical transmission branch roads that retreat shelves, carry out high efficiency mechanical transmission; Simultaneously, selector valve one, two, three all cuts out, the power of input shaft forms the hydraulic transmission branch road through machine liquid interlock fixed axis gear group, hydraulic variable displacement pump, oil hydraulic motor, the output shaft of oil hydraulic motor, auxiliary fixed axis gear group one, two, three planet rows of auxiliary fixed axis gear group, carries out infinite variable speed hydraulic transmission.
Visible, the present invention is connected in parallel mechanical transmission and hydraulic transmission by three planet rows and machine liquid interlock fixed axis gear group, has realized hydraulic transmission and mechanically operated organic assembling.Have the high efficiency characteristics of hydraulic transmission stepless speed regulation and mechanical transmission concurrently, and then can increase substantially power character, Economy and the operation automation level of vehicle.
Two, during car brakeing: the break locking of hydraulic motor output shaft, oil hydraulic motor is in the braking stop state, clutch and the break of input shaft are all opened, selector valve one, selector valve two, all be in unidirectional opening state, selector valve three cuts out, power drives hydraulic variable displacement pump to input shaft through machine liquid interlock fixed axis gear group by the output shaft anti-pass and rotates, and makes the hydraulic oil of high pressure one side flow to accumulator; Relief valve plays a part voltage-limiting protection.Thereby realize the recovery of braking energy.
During vehicle launch: the break of hydraulic motor output shaft is opened, the break locking of input shaft, input shaft maintains static, selector valve one, selector valve two, all be in closed condition, selector valve three is opened, accumulator starts vehicle by oil hydraulic motor, auxiliary fixed axis gear group one, planet row one, driver output axle, and this moment, vehicle can realize that pure hydraulic power starts.
Visible, the present invention is recovered as hydraulic energy by braking energy when braking, and the hydraulic energy of recovery is for the startup of vehicle, and the startup that makes vehicle is pure hydraulic starting.Can reach energy-conservation purpose, also improve the startup power performance of vehicle simultaneously.
The gear ring of above-mentioned planet row one connects with input shaft, and sun gear connects with the driven gear of auxiliary fixed axis gear group one, and planet carrier connects with the driving gear of fixed axis gear group one, and the driven gear of fixed axis gear group one is connected with output shaft through clutch one.
This Placement, form the transmission link of a grade of advancing of the present invention, and its working procedure is: selector valve one, two, three all is in closed condition, and the power of clutch one closure, motor output is divided into two-way on input shaft; One tunnel is mechanical branch road, by input shaft, is input to the mechanical branch road of the gear ring of planet row one; Another road is the hydraulic pressure branch road: input shaft is through machine liquid interlock fixed axis gear group, hydraulic variable displacement pump, oil hydraulic motor, and auxiliary fixed axis gear group one is to the sun gear of planet row one.The power of machinery branch road and hydraulic pressure branch road confluxes by the planet carrier of planet row one, fixed axis gear group one, clutch one, output shaft output.
The gear ring of above-mentioned planet row one connects with input shaft, sun gear connects with the driven gear of auxiliary fixed axis gear group one, planet carrier connects with the driving gear of fixed axis gear group two, the driven gear of fixed axis gear group two is idle pulley, this idle pulley is again the driving gear of fixed axis gear group three, and the driven gear of fixed axis gear group three is connected with output shaft through clutch two.
This Placement, form the transmission link that keeps off that falls back of the present invention.Its working procedure is: selector valve one, two, three all is in closed condition, and the power of clutch two closures, motor output is divided into two-way on input shaft; One tunnel is mechanical branch road, by input shaft, is input to the gear ring of planet row one; Another road is the hydraulic pressure branch road: input shaft is through machine liquid interlock fixed axis gear group, hydraulic variable displacement pump, oil hydraulic motor, and auxiliary fixed axis gear group one is to the sun gear of planet row one.The power of machinery branch road and hydraulic pressure branch road confluxes by the planet carrier of planet row one, fixed axis gear group two, fixed axis gear group three, clutch two, output shaft output.Because the driven gear of fixed axis gear group two is idle pulley, this idle pulley is again the driving gear of fixed axis gear group three, thereby has changed the sense of rotation of output shaft, has realized that a gear of vehicle falls back.
The sun gear of above-mentioned planet row two connects with the driven gear of auxiliary fixed axis gear group one, and planet carrier and input shaft connect, and gear ring connects with the driving gear of fixed axis gear group four, and the driven gear of fixed axis gear group four is connected with output shaft through clutch three.
This Placement, form the transmission link of the second gear that advances of the present invention, and its working procedure is: selector valve one, two, three all is in closed condition, and the power of clutch three closures, motor output is divided into two-way on input shaft; One tunnel is mechanical branch road, by input shaft, is input to the planet carrier of planet row two; Another road is the hydraulic pressure branch road: input shaft is through machine liquid interlock fixed axis gear group, hydraulic variable displacement pump, oil hydraulic motor, and auxiliary fixed axis gear group one is to the sun gear of planet row two.The power of machinery branch road and hydraulic pressure branch road confluxes by the gear ring of planet row two, fixed axis gear group four, clutch three, output shaft output.
The above-mentioned compound stepless speed variator of a kind of machine liquid, it is characterized in that: the sun gear of described planet row two connects with the driven gear of auxiliary fixed axis gear group one, planet carrier and input shaft connect, gear ring connects with the driving gear of fixed axis gear group five, the driven gear of fixed axis gear group five is idle pulley, this idle pulley is again the driving gear of fixed axis gear group six, and the driven gear of fixed axis gear group six is connected with output shaft through clutch four.
This Placement, form the two transmission links that keep off that fall back of the present invention.Its working procedure is: selector valve one, two, three all is in closed condition, and the power of clutch four closures, motor output is divided into two-way on input shaft; One tunnel is mechanical branch road, by input shaft, is input to the planet carrier of planet row two; Another road is the hydraulic pressure branch road: input shaft is through machine liquid interlock fixed axis gear group, hydraulic variable displacement pump, oil hydraulic motor, and auxiliary fixed axis gear group one is to the sun gear of planet row two.The power of machinery branch road and hydraulic pressure branch road confluxes by the gear ring of planet row two, fixed axis gear group five, fixed axis gear group six, clutch four, output shaft output.Because the driven gear of fixed axis gear group five is idle pulley, this idle pulley is again the driving gear of fixed axis gear group six, thereby has changed the sense of rotation of output shaft, has realized that two gears of vehicle fall back.
The gear ring of above-mentioned planet row three and input shaft connect, and sun gear connects with the driven gear of auxiliary fixed axis gear group two, and planet carrier connects with the driving gear of fixed axis gear group seven, and the driven gear of fixed axis gear group seven is connected with output shaft through clutch five.
This Placement, form the transmission link of the third gear of advancing of the present invention, and its working procedure is: selector valve one, two, three all is in closed condition, and the power of clutch five closures, motor output is divided into two-way on input shaft; One tunnel is mechanical branch road, by input shaft, is input to the mechanical branch road of the gear ring of planet row three; Another road is the hydraulic pressure branch road: input shaft is through machine liquid interlock fixed axis gear group, hydraulic variable displacement pump, oil hydraulic motor, and auxiliary fixed axis gear group two is to the sun gear of planet row three.The power of machinery branch road and hydraulic pressure branch road confluxes by the planet carrier of planet row three, fixed axis gear group seven, clutch five, output shaft output.
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
The accompanying drawing explanation
Fig. 1 is the structural relation schematic diagram of the embodiment of the present invention.
Embodiment
Embodiment
Fig. 1 illustrates, a kind of embodiment of the present invention is, a kind of compound stepless speed variator of engineering vehicle machine liquid with braking energy recovering function, comprise the clutch 14 that is located on input shaft 10, break 16, planet row 1, planet row 2 12, planet row 3 13, a plurality of fixed axis gear groups that are connected with three planet rows 11,12,13, and a plurality of clutches on output shaft 30, wherein:
On input shaft 10, establish organic liquor interlock fixed axis gear group 15, an end of the driven shaft of machine liquid interlock fixed axis gear group 15 is provided with hydraulic variable displacement pump 21, and the two ends of hydraulic variable displacement pump 21 are connected with the two ends of oil hydraulic motor 27 and form oil hydraulic circuit; The two ends of hydraulic variable displacement pump 21 also are connected to respectively relief valve one 22A, relief valve two 22B and selector valve one 23A, selector valve two 23B; Between selector valve one 23A and selector valve two 23B, be provided with accumulator 25, the termination fuel tank of one-way valve one 29A and one-way valve two 29B, the other end are connected in the oil hydraulic circuit of hydraulic variable displacement pump 21 and oil hydraulic motor 27; One end of relief valve 24 is by selector valve 3 26 access fuel tanks, and the other end is connected in the loop of hydraulic variable displacement pump 21 and oil hydraulic motor 27; The output shaft 20 of oil hydraulic motor 27 is provided with auxiliary fixed axis gear group 1, auxiliary fixed axis gear group 2 18, and auxiliary fixed axis gear group 1 is connected with planet row 1 and planet row 2 12, and auxiliary fixed axis gear group 19 2 19 is connected with planet row 3 13; On the output shaft 20 of oil hydraulic motor 27, also be provided with break 28.
The gear ring of this routine planet row 1 connects with input shaft 10, sun gear connects with the driven gear of auxiliary fixed axis gear group 1, planet carrier connects with the driving gear of fixed axis gear group 1, and the driven gear of fixed axis gear group 1 is connected with output shaft 30 through clutch 1.This is the linkage structure of a grade of advancing.
The gear ring of this routine planet row 1 connects with input shaft 10, sun gear connects with the driven gear of auxiliary fixed axis gear group 1, planet carrier connects with the driving gear of fixed axis gear group two 31A, the driven gear of fixed axis gear group two 31A is idle pulley, this idle pulley is again the driving gear of fixed axis gear group three 31B, and the driven gear of fixed axis gear group three 31B is connected with output shaft 30 through clutch two 301A.This is the linkage structure of a grade of falling back.
The sun gear of this routine planet row 2 12 connects with the driven gear of auxiliary fixed axis gear group 1, planet carrier and input shaft 10 connect, gear ring connects with the driving gear of fixed axis gear group 4 32, and the driven gear of fixed axis gear group 4 32 is connected with output shaft 30 through clutch 3 302.This is the linkage structure of second gear of advancing.
The sun gear of this routine planet row 2 12 connects with the driven gear of auxiliary fixed axis gear group 1, planet carrier and input shaft 10 connect, gear ring connects with the driving gear of fixed axis gear group five 32A, the driven gear of fixed axis gear group five 32A is idle pulley, this idle pulley is again the driving gear of fixed axis gear group six 32B, and the driven gear of fixed axis gear group six 32B is connected with output shaft 30 through clutch four 302A.This is the linkage structure of second gear of falling back.
The gear ring of this routine planet row 3 13 and input shaft 10 connect, sun gear connects with the driven gear of auxiliary fixed axis gear group 2 18, planet carrier connects with the driving gear of fixed axis gear group 7 33, and the driven gear of fixed axis gear group 7 33 is connected with output shaft 30 through clutch 5 303.This is the linkage structure of third gear of advancing.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110310215XA CN102434647B (en) | 2011-10-13 | 2011-10-13 | Mechanical hydraulic composite continuously variable transmission of engineering vehicle with brake energy recovering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110310215XA CN102434647B (en) | 2011-10-13 | 2011-10-13 | Mechanical hydraulic composite continuously variable transmission of engineering vehicle with brake energy recovering function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102434647A CN102434647A (en) | 2012-05-02 |
| CN102434647B true CN102434647B (en) | 2013-11-20 |
Family
ID=45982896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110310215XA Expired - Fee Related CN102434647B (en) | 2011-10-13 | 2011-10-13 | Mechanical hydraulic composite continuously variable transmission of engineering vehicle with brake energy recovering function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102434647B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102943859B (en) * | 2012-11-23 | 2015-07-08 | 天津工程机械研究院 | Hydraulic mechanical continuously variable transmission for loader |
| CN103453104B (en) * | 2013-07-22 | 2015-12-02 | 北京理工大学 | Four-segment hydraulic mechanical composite transmission device |
| CN104442371B (en) * | 2014-12-02 | 2017-01-04 | 吉林大学 | Power dividing type hydraulic hybrid power loader power drive system |
| CN105402350B (en) * | 2015-12-11 | 2018-01-30 | 贵州凯星液力传动机械有限公司 | One kind seven keeps off Hydrodynamic transmission hydraulic system |
| CN107082073B (en) * | 2017-05-18 | 2019-03-01 | 西南交通大学 | A kind of descending energy regenerating for electro-hydraulic railcar and slow system |
| CN110206864A (en) * | 2019-03-18 | 2019-09-06 | 江苏大学 | A kind of tractor machines-fluid power parallel power coupling gearbox |
| CN110360293B (en) * | 2019-08-06 | 2024-04-19 | 江苏农林职业技术学院 | Hydraulic mechanical stepless speed changer |
| GB2596367B (en) * | 2019-10-08 | 2022-12-07 | Univ Jiangsu | Hydro-mechanical hybrid transmission device with multiple power distribution modes and control method thereof |
| CN110822053B (en) * | 2019-10-08 | 2022-04-26 | 江苏大学 | Multi-power distribution mode mechanical-hydraulic composite transmission device and control method |
| CN111306279B (en) * | 2020-02-21 | 2021-08-03 | 江苏大学 | A single-pump-controlled double-motor mechanical-hydraulic composite transmission device |
| CN111946793B (en) * | 2020-07-20 | 2021-08-03 | 江苏大学 | A machine-hydraulic composite transmission with an energy management mechanism |
| US11499616B2 (en) | 2020-07-20 | 2022-11-15 | Jiangsu University | Hydro-mechanical hybrid transmission device with energy management mechanism |
| CN112128338B (en) * | 2020-08-03 | 2021-10-12 | 江苏大学 | Mechanical-hydraulic composite transmission device with participation of double hydraulic transmission mechanisms |
| CN113983140B (en) * | 2021-11-22 | 2023-10-20 | 浙江盘毂动力科技有限公司 | Large-torque hydraulic mechanical combined type comprehensive transmission device and vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2072546U (en) * | 1990-07-10 | 1991-03-06 | 李建启 | Hydraulic shovel slewing system with reclaiming brake energy |
| US5967927A (en) * | 1997-05-27 | 1999-10-19 | Honda Giken Kogyo Kabushiki Kaisha | Continuously variable transmission for use on vehicle |
| CN1466665A (en) * | 2000-09-26 | 2004-01-07 | Hydro-mechanical transmission | |
| CN101413572A (en) * | 2007-06-11 | 2009-04-22 | 赵宏坚 | Mechanical and hydraulic combined transmission device |
| CN202301824U (en) * | 2011-10-13 | 2012-07-04 | 西南交通大学 | Engineering vehicle machine liquid compounding stepless speed change device with braking energy recovering function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2398992C1 (en) * | 2006-08-03 | 2010-09-10 | Тойота Дзидося Кабусики Кайся | Automotive transmission |
-
2011
- 2011-10-13 CN CN201110310215XA patent/CN102434647B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2072546U (en) * | 1990-07-10 | 1991-03-06 | 李建启 | Hydraulic shovel slewing system with reclaiming brake energy |
| US5967927A (en) * | 1997-05-27 | 1999-10-19 | Honda Giken Kogyo Kabushiki Kaisha | Continuously variable transmission for use on vehicle |
| CN1466665A (en) * | 2000-09-26 | 2004-01-07 | Hydro-mechanical transmission | |
| CN101413572A (en) * | 2007-06-11 | 2009-04-22 | 赵宏坚 | Mechanical and hydraulic combined transmission device |
| CN202301824U (en) * | 2011-10-13 | 2012-07-04 | 西南交通大学 | Engineering vehicle machine liquid compounding stepless speed change device with braking energy recovering function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102434647A (en) | 2012-05-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102434647B (en) | Mechanical hydraulic composite continuously variable transmission of engineering vehicle with brake energy recovering function | |
| CN109185417B (en) | Quick reversing power-dividing hydraulic mechanical stepless speed changer | |
| CN102943859B (en) | Hydraulic mechanical continuously variable transmission for loader | |
| US7744499B2 (en) | Hydro-mechanical transmission | |
| CN104121346B (en) | Single planetary row confluxes hydraulic machinery compound split path transmission wheel box | |
| CN104088978B (en) | Single planetary row confluxes hydraulic machinery stepless change case | |
| CN107191568B (en) | Mechanical-hydraulic mixed drive gearbox | |
| CN202301824U (en) | Engineering vehicle machine liquid compounding stepless speed change device with braking energy recovering function | |
| CN104854374A (en) | Continuously variable transmission and a working machine including a continuously variable transmission | |
| HK1211652A1 (en) | A composite type hydraulic actuator and starter | |
| WO2012031496A1 (en) | Driving device and grader using the same | |
| CN213899786U (en) | Hydrostatic stepless speed change device of high-horsepower tractor | |
| CN202510651U (en) | Full-automatic continuously variable transmission of tractor | |
| CN112013087A (en) | Speed change device and speed change method | |
| CN104401219B (en) | Power split type hydraulic hybrid power system of loading machine | |
| CN204323063U (en) | A kind of seven gear speed changing structures | |
| CN206568867U (en) | Load series-parallel machine hydraulic hybrid control system | |
| CN205553895U (en) | High -power engineering vehicle's hybrid gearbox | |
| CN104494425A (en) | Transmission with transfer case | |
| CN203348495U (en) | Double-power-flow speed-changing box for bulldozer | |
| CN109281898A (en) | Dual-accumulator braking energy recovery system based on hydromechanical continuously variable transmission | |
| CN204296442U (en) | The power dividing type hydraulic hybrid power system of loader | |
| CN203309051U (en) | Hydraulic mechanical composite transmission mechanism | |
| CN202971769U (en) | Power gear-shifting transmission suitable for high-power vehicle | |
| CN2620798Y (en) | Planet transmission automatic speed variator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Huanlong Inventor after: Yu Lanying Inventor after: Wei Chouyuan Inventor after: Wang Guozhi Inventor after: Ke Jian Inventor after: Wu Wenhai Inventor before: Liu Huanlong Inventor before: Yu Lanying Inventor before: Wang Guozhi Inventor before: Ke Jian Inventor before: Wu Wenhai |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LIU HUANLONG YU LANYING WANG GUOZHI KE JIAN WU WENHAI TO: LIU HUANLONG YU LANYING WEI CHOUYUAN WANG GUOZHI KE JIAN WU WENHAI |
|
| 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: 20131120 Termination date: 20171013 |