CN208845650U - A kind of integration power drive system - Google Patents
A kind of integration power drive system Download PDFInfo
- Publication number
- CN208845650U CN208845650U CN201821531194.8U CN201821531194U CN208845650U CN 208845650 U CN208845650 U CN 208845650U CN 201821531194 U CN201821531194 U CN 201821531194U CN 208845650 U CN208845650 U CN 208845650U
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- China
- Prior art keywords
- gear
- planet row
- ring
- driving motor
- engagement
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
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Abstract
The utility model discloses a kind of integrated power drive systems, comprising: case of transmission；Driving motor is arranged inside the case of transmission, has driving motor output shaft；Planetary gear train comprising planet sun gear, planet row planet carrier, planet row planetary gear and planet row ring gear；Clutch collar connects the planet row ring gear；Brake apparatus is fixed on the case of transmission inner wall, and selective makes the case of transmission and the planet row ring gear combine and separate；First engagement gear ring, is connected with the planet row planet carrier；Second engagement gear ring, is connected with the brake apparatus；Wherein, the two sides of the clutch collar are arranged in the first engagement gear ring and the second engagement gear ring, and the clutch collar selectivity is connect with the first engagement gear ring and the second engagement gear ring.This system can reduce the rotary inertia at synchronous end when putting into gear, and reduces gear shifting force, overcomes the problems, such as that structure is complicated.
Description
Technical field
The utility model relates to a kind of integrated power drive systems, belong to electric car field.
Background technique
Automobile plays pole in national economy and people's daily life as the indispensable vehicles of modern society
Its important role.Auto industry not only represents the level of National Industrial development, has embodied a concentrated reflection of new material, new work
The application of skill, new technology and new equipment, and auto industry is that have the technology-intensive industries of scale and benefit and high added value,
It is the powerful motive force of developing national economy.As mainstay of the national economy industry, it is each that the development of auto industry receives the world
The great attention of state, keen competition promote automobile production and R & D Level to be continuously improved.
With the development of economy, people's quality of life level is by improve, and automobile is increasingly at the main friendship in for people's lives
Logical walking-replacing tool, in recent years, car ownership is continuously increased, and environmental pollution is consequently increased, in ecological environmental pollution and change
Under the social background of stone fuel energy crisis, the new-energy automobile of electric drive traveling comes into being.
Electric car is novel, energy-saving and environmental protection vehicle, and electric car is started using motor instead of orthodox car
Machine, motor can start with carrying, and meet automobile requirement by reasonably configuration, have compared with orthodox car very big
Progress.
However, the existing existing arrangement form using parallel-axis type of electronic automobile-used two-gear transmission, and have using planet
The arrangement form of row's formula.If electric vehicle uses the arrangement form of parallel-axis type, synchronizer or clutch collar conduct can be generally selected
Shifting element, gear shifting actuating mechanism is small, but parallel-axis type space is bigger, is unfavorable for integrating with motor, is unfavorable for the cloth of vehicle
It sets；It if electric vehicle uses the arrangement form of planet row type, can generally select multiplate clutch as shifting element, and execute machine
The included hydraulic system of structure increases the volume and complexity of whole system, is not easy to the arrangement of vehicle.
Utility model content
The utility model has designed and developed a kind of integrated power drive system, by planet row, clutch collar and brake apparatus collection
At Yu Yiti, the powershift of power drive system is realized by the coordinated control to clutch collar and brake apparatus, avoids conjunction gear
Circle is rigidly connected with shell completely, effectively reduces the shift shock of system.
Technical solution provided by the utility model are as follows:
A kind of integration power drive system, comprising:
Case of transmission；
Driving motor is arranged inside the case of transmission, has driving motor output shaft；
Planetary gear train comprising planet row sun gear, planet row planet carrier, planet row planetary gear and planet row internal tooth
Circle；
Wherein, the planet row sun gear is connect with the driving motor output shaft；
Brake apparatus is fixed on the case of transmission inner wall, the selective case of transmission and described of making
Planet row ring gear combines and separation；
Clutch collar is connect with the planet row ring gear；
First engagement gear ring, is connected with the planet row planet carrier；
Second engagement gear ring, is connected with the brake apparatus；
Wherein, the two sides of the clutch collar are arranged in the first engagement gear ring and the second engagement gear ring, described to connect
Trap selectivity is connect with the first engagement gear ring and the second engagement gear ring；
Driving motor output shaft is connect with the planet row planet carrier；
Wherein, when in a gear, the brake apparatus engagement, the clutch collar is connect with the second engagement gear ring,
The planet row ring gear is fixed；When being in second gear, the brake apparatus is separated, the clutch collar and first soldered tooth
Circle connection, the planet row ring gear and the planet row planet carrier rotate synchronously.
Preferably, the case of transmission includes the first accommodating chamber and the second accommodating chamber, first accommodating chamber and institute
It states and is provided with inner wall between the second accommodating chamber.
Preferably, driving motor is laid in first accommodating chamber, lays planetary gear train in second accommodating chamber.
Preferably, through-hole is laid in second accommodating chamber, the drive system output shaft is rotatably supported at
On the through-hole and it is pierced by outside the through-hole to the case of transmission.
Preferably, the first engagement gear ring is arranged on the output shaft of the driving motor by spring bearing.
Preferably, when selection is reversed gear, the brake apparatus engagement, the driving motor reversion, power is through the row
Star seniority among brothers and sisters carrier is transmitted on the output shaft of the driving motor, realizes power output.
Preferably, when selecting neutral gear, the clutch collar engages gear ring and the second engagement gear ring with described first
It does not connect, the driving motor output shaft is disconnected with the drive system output shaft, cutting power transmitting.
It is described in the utility model the utility model has the advantages that effectively reducing axial direction compared to parallel-axis type structure using planet row structure
Size, and power density is high, is easily integrated；It, can be to avoid using engagement nested structure compared to structures such as multi-disc wet clutches
The use of hydraulic system only can realize shift by shift motor, greatly simplify gear shifting actuating mechanism, reduction system at
This；Using brake apparatus, the connection of the second engagement gear ring perfect rigidity is avoided, the impact of system is reduced, improves components
Service life；Meanwhile the rotary inertia at synchronous end when hanging a gear is reduced, gear shifting force is reduced, shift success rate is improved
Detailed description of the invention
Fig. 1 is the structural schematic diagram of Allinone Driving System described in the utility model.
Fig. 2 is the downshift procedure chart of Allinone Driving System described in the utility model.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation
Book text can be implemented accordingly.
As shown in Figure 1, the utility model provides a kind of Allinone Driving System, including motor part and transmission portion,
Wherein transmission portion includes: planetary gear train, clutch collar 220, engagement gear ring and brake apparatus 240.
Case of transmission 100 includes the first accommodating chamber and the second accommodating chamber, is set between the first accommodating chamber and the second accommodating chamber
It is equipped with the inner wall for separation, motor part is arranged in the first accommodating chamber, and transmission portion is arranged in the second accommodating chamber.?
In first accommodating chamber, the output shaft 140 of driving motor passes through perforative through-hole on inner wall and is rotatably supported on inner wall, the
In two accommodating chambers, the output shaft 150 of speed changer passes through running through outside through-hole to case of transmission 100 on case of transmission 100
Portion.
Motor part is laid in the first accommodating chamber, comprising: driving motor rotor 120 and driving motor stator 130, driving
Motor stator 130 is supported on the inner wall of case of transmission 100 by driving motor rotor supports bearing 110, and driving motor is fixed
Son 120 is connect by interference fit with case of transmission 100.
Speed changer part is laid in the second accommodating chamber, including planetary gear train, wherein planetary gear train includes: planet
Rank carrier 360, planet row sun gear 340, planet row planetary gear 320 and planet row ring gear 310.
Wherein planet row sun gear 340 is connect with driving motor output shaft 140, planet row planet carrier 360 and drive system
Output shaft 150 connects, and planet row planetary gear 320 is mounted on planet rows of planetary frame 360 by needle bearing, the planet row sun
Wheel 340 is meshed with planet row planetary gear 320；Planet row ring gear 310 is connect with the brake disc of brake, and is ranked with planet
Star-wheel 320 engages.
Brake apparatus 240 includes brake disc and brake hub, wherein brake hub is connected to the inner wall of case of transmission 100
On, fixed, the brake disc of brake apparatus 240 is connect by spline with planet row ring gear 310, passes through brake apparatus 240
Separation in conjunction with come the rotation and braking of realizing planet row ring gear 310, and then realize planet row ring gear 310 and speed changer
The separation and fixation of 100 inner wall of shell.
Clutch collar 220 is connect with planet row ring gear 310, and 220 two sides of clutch collar are provided with first and combine gear ring 210
With the second engagement gear ring 230, the selectivity of clutch collar 220 engage gear ring 210 and second with first and engages gear ring 230 and tied
It closes.Wherein, the first engagement gear ring 210 is connect with planet row planet carrier, and the second engagement gear ring 230 is connect with brake apparatus；Pass through
Clutch collar 220 with second engage the separation of gear ring 230 in conjunction with come the rotation and braking of realizing planet row ring gear 310；Pass through
Planet row planet carrier 360 and planet row ring gear 310 are realized in the separation and engagement that clutch collar 220 engages gear ring 210 with first
Be connected and disconnected from.
The gear switching of power drive system engages the switching of gear ring with two by brake apparatus 240 and clutch collar 220 Lai real
It is existing.Wherein, brake apparatus 240 is electrically connected with shift control unit, and clutch collar 220 is electrically connected with gear shifting actuating mechanism.
When driving, driving motor is in electric motor mode, and when braking, driving motor is in generator mode.
When one gear, driving motor rotates forward and (realizes that the direction of motor rotation that vehicle advances is forward rotation direction), brake apparatus 240
Work is in on-position.Gear shifting actuating mechanism drives clutch collar 220 to engage gear ring 230 with second and engages, and makes the second soldered tooth
Circle is connect with planet row ring gear 310, realizes the fixation of planet row ring gear 310.The power of driving motor is defeated through driving motor
Shaft 140 passes to planet row sun gear 340, then is transmitted to driving device output shaft 150 through planet row planet carrier 360, realizes dynamic
Power output.
When second gear, gear shifting actuating mechanism drives clutch collar 220 to engage gear ring 210 with first and engages, and realizes the first soldered tooth
Circle 210 is connect with planet row ring gear 310, realizes that planet row ring gear 310 is linked together with planet row planet carrier 360.Driving
Motor rotates forward, and the power of driving motor passes to planet row sun gear 340 through driving motor output shaft 140, then through planet rows of planetary
Frame 360 is transmitted to drive system output shaft 150, realizes power output.
One when blocking up step, and shift control unit sends instruction, and brake apparatus 240 does not work, and is in discrete state.Shift control
Unit processed sends instruction, and gear shifting actuating mechanism drives clutch collar 220 to engage gear ring 230 with second and engages, and realizes the second soldered tooth
Circle 230 is connect with planet row ring gear 310.Shift control unit sends instruction, and brake apparatus 210 works, and is in on-position,
Realize the fixation of planet row ring gear 310.Driving motor rotates forward, and 360 revolving speed of planet row planet carrier gradually rises.Driving motor
Power passes to planet row sun gear 340 through driving motor output shaft 140, then is transmitted to drive system through planet row planet carrier 360
Output shaft 150 realizes power output.
One gear rises second gear process, and shift control unit sends instruction, and brake apparatus 240 does not work, and is in discrete state, changes
Gear executing agency driving clutch collar 220 is separated with the second engagement gear ring 230, and the engagement of gear ring 210 is then engaged with first.Realize the
One engagement gear ring 210 is connect with planet row ring gear 310, realizes that planet row ring gear 310 and planet row planet carrier 360 are linked as one
Body.Driving motor rotates forward, and the power of driving motor passes to planet row sun gear 340 through driving motor output shaft 140, then through planet
Seniority among brothers and sisters carrier 360 is transmitted to drive system output shaft 150, realizes power output.
One gear process of second gear drop, shift control unit send instruction, and brake apparatus 240 does not work, and is in discrete state.It changes
It keeps off control unit and sends instruction, gear shifting actuating mechanism driving clutch collar 220 engages gear ring 210 with first and separates, then with second
It engages gear ring 230 to engage, realizes that the second engagement gear ring 230 is connect with planet row ring gear 310.Shift control unit transmission refers to
It enables, brake apparatus 240 works, and is in engagement state, realizes the fixation of planet row ring gear 310.Driving motor rotates forward, driving electricity
The power of machine passes to planet row sun gear 340 through driving motor output shaft 140, then is transmitted to driving through planet row planet carrier 360
System output shaft 150 realizes power output.
When reversing gear, shift control unit sends instruction, and brake apparatus 240 does not work, and is in discrete state.Shift control is single
Member sends instruction, and gear shifting actuating mechanism drives clutch collar 220 to engage gear ring 230 with second and engages, and realizes the second engagement gear ring
230 connect with planet row ring gear 310.Shift control unit sends instruction, and brake apparatus 240 works, and is in on-position, real
The fixation of existing planet row ring gear 310.Driving motor inverts (opposite with forward rotation direction), and the power of driving motor is through driving motor
Output shaft 140 passes to planet row sun gear 340, then is transmitted to drive system output shaft 150 through planet row planet carrier 360, realizes
Power output.
When neutral gear, clutch collar 220 does not engage gear ring 210 with first and the second engagement gear ring 230 engages, and planet row is all
Element is unfettered, connect so that driving motor output shaft 140 is disconnected with drive system output shaft 150, has cut off power
Transmitting.
When vehicle need to be braked with a gear traveling, driving motor is switched to generator mode by electric motor mode, to transmission
System plays the role of dragging, and the traveling kinetic energy of vehicle is converted to electric energy.
When vehicle need to be braked with second gear traveling, driving motor is switched to generator mode by electric motor mode, and sliding sleeve moves
Right working position is moved, plays the role of dragging to transmission system, improves the recovery efficiency of braking energy.
Brake apparatus 240 makes entire drive system during one blocks up step and second gear one gear of drop, avoids second and connects
The connection of 230 perfect rigidity of gear ring is closed, the impact of system is reduced, improves the service life of components；Meanwhile it reducing and hanging a gear
When synchronous end rotary inertia, reduce gear shifting force, improve shift success rate.
The shift executive component of the power drive system works according to table 1.
Table 1
Wherein, "○" indicates separation in table 1, and "●" indicates engagement.
The control method of the drive system specifically includes: starting-up process, upshift process and downshift process, wherein downshift process
It further include the first downshift process and the second downshift process.
1, starting-up process, be divided into 3 stages: brake apparatus 240 does not work, driving motor starts, clutch collar 220 moves right
It is dynamic.Detailed process is as follows:
Brake apparatus 240 does not work, and the second engagement gear ring 230 is in free state；
Driving motor starting；Driving motor work so that clutch collar 220 gradually displacement is dynamic to the right；
Judge whether clutch collar 220 engages gear ring 230 with second and engage by clutch collar position sensor；Work as clutch collar
220, which engage gear ring 230 with second, is fully engaged, and brake apparatus restPoses；Driving motor work.
2, upshift process, a gear rise second gear and be divided into 6 stages: brake apparatus 240 is not worked, driving motor starting, is engaged
To middle position, mobile, slippage revolving speed controls set 220, slippage revolving speed slop control and clutch collar 220 are located at left station.Specifically
Process is as follows:
Brake apparatus does not work, and the second engagement gear ring is in free state.
Driving motor starting；
Driving motor works so that clutch collar 220 is gradually mobile to middle position；Judged by clutch collar position sensor
Whether clutch collar 220 separates with the second engagement gear ring；When clutch collar 220 is separated with the second engagement gear ring, brake apparatus 240 restores
Original state；
Judge whether revolving speed declines by the speed probe of driving motor output shaft 140；When under the revolving speed of driving motor
When drop, input speed becomes smaller, and ring gear starts turning, slippage revolving speed rapid decrease；Wherein, slippage revolving speed=driving motor turns
Speed-output shaft revolving speed × 2 gear transmission ratios, it may be assumed that Vs=Vd-Vo× n, wherein VsFor slippage revolving speed, unit r/s, VdFor driving electricity
Machine revolving speed, unit r/s, VoFor driving motor output shaft revolving speed, unit r/s, n are transmission ratio.Simultaneously by CAN communication to
Driving motor sends the request that torque reduces, and driving motor torque is reduced a preset value；
After slippage revolving speed drops to preset value, into the slippage relative speed variation decline stage.This stage clutch collar is gradually
Station is mobile to the left, and slippage revolving speed is close to 0；
Clutch collar is completely in left station
3, downshift process, as shown in Fig. 2, the downshift process of downshift process and Power-on including Power-off, wherein
The downshift process of Power-off is the first downshift process, and the downshift process of Power-on is the second downshift process, specific as follows:
The downshift process of 3.1Power-off is divided into 6 stages: driving motor starts, clutch collar 220 is dynamic to middle displacement,
Brake apparatus 240 do not work, the control of slippage revolving speed, slippage revolving speed slop control, clutch collar are located at right working position.Detailed process is such as
Under:
Driving motor starting；
Driving motor works so that clutch collar 220 is gradually mobile to middle position.
Judge whether clutch collar 220 engages gear ring 210 with first and separate by clutch collar position sensor；Work as clutch collar
220 separate with the first engagement gear ring 210, and brake apparatus 240 does not work；
Judge whether driving motor revolving speed rises by the speed probe of driving motor output shaft 140, works as driving motor
Revolving speed rise when, planet row planet carrier output revolving speed be basically unchanged, input speed becomes larger, and 310 revolving speed of planet row ring gear subtracts
It is small, slippage revolving speed rapid decrease；Wherein, slippage revolving speed=driving motor revolving speed-output shaft revolving speed * 1 keeps off transmission ratio；
The request that torque increases is sent to driving motor by CAN communication simultaneously, driving motor torque increase by one is pre-
If value；
After slippage revolving speed drops to preset value, into the slippage relative speed variation decline stage；This stage clutch collar 220 by
Gradually mobile to right working position, slippage revolving speed is close to 0；Clutch collar is completely in right working position；Brake apparatus gradually engages, and plays braking and makees
With until being fully engaged.
The downshift process of 3.2Power-on
Power-on downshift process is divided into 6 stages: driving motor startup stage, the clutch collar 220 dynamic, braking to middle displacement
Device 240 do not work, driving motor output shaft revolving speed rapid increase stage, driving motor output shaft relative speed variation rapid decrease
Stage, clutch collar move right and synchronize.
Driving motor starting；
Driving motor works so that clutch collar 220 is moved to middle position；
The load of driving motor reduces, so that driving motor revolving speed increases sharply；
Judge whether clutch collar engages gear ring 210 with first and separate by clutch collar position sensor；When clutch collar and
One engagement gear ring 210 separates, and brake apparatus 240 does not work；
The request that torque reduces is sent to driving motor by CAN communication simultaneously, driving motor torque reduction by one is pre-
If value；After driving motor revolving speed increases to preset value, into the revolving speed of driving motor output shaft 140 change rate it is quick under
Drop；
Clutch collar 220 is gradually moved to right working position, and driving motor torque is promptly restored to the torque before shift, is connect at this time
Trap 220 is completely in right working position；Brake apparatus 240 gradually engages, and plays braking action, until being fully engaged.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (7)
1. a kind of integration power drive system characterized by comprising
Case of transmission；
Driving motor is arranged inside the case of transmission, has driving motor output shaft；
Planetary gear train comprising planet row sun gear, planet row planet carrier, planet row planetary gear and planet row ring gear；
Wherein, the planet row sun gear is connect with the driving motor output shaft；
Brake apparatus is fixed on the case of transmission inner wall, and selective makes the case of transmission and the planet
Ring gear is arranged to combine and separate；
Clutch collar is connect with the planet row ring gear；
First engagement gear ring, is connected with the planet row planet carrier；
Second engagement gear ring, is connected with the brake apparatus；
Wherein, the two sides of the clutch collar, the clutch collar is arranged in the first engagement gear ring and the second engagement gear ring
Selectivity is connect with the first engagement gear ring and the second engagement gear ring；
Drive system output shaft is connect with the planet row planet carrier；
Wherein, when in a gear, the brake apparatus engagement, the clutch collar is connect with the second engagement gear ring, described
Planet row ring gear is fixed；When being in second gear, the brake apparatus separation, the clutch collar engages gear ring with described first and connects
It connects, the planet row ring gear and the planet row planet carrier rotate synchronously.
2. integration power drive system according to claim 1, which is characterized in that the case of transmission includes the first appearance
It receives chamber and the second accommodating chamber, is provided with inner wall between first accommodating chamber and second accommodating chamber.
3. integration power drive system according to claim 2, which is characterized in that lay driving in first accommodating chamber
Motor, second accommodating chamber is interior to lay planetary gear train.
4. integration power drive system according to claim 3, which is characterized in that be laid in second accommodating chamber logical
Hole, the drive system output shaft is rotatably supported on the through-hole and to be pierced by the through-hole external to the transmission case
Portion.
5. integration power drive system according to claim 4, which is characterized in that the first engagement gear ring passes through support
Bearing is arranged on the output shaft of the driving motor.
6. integrated power drive system according to claim 1 or 5, which is characterized in that when selection is reversed gear, the braking
Means for engaging, the driving motor reversion, power is transmitted in the driving motor output shaft through the planet row planet carrier, real
Existing power output.
7. integration power drive system according to claim 6, which is characterized in that when selecting neutral gear, the clutch collar
It is not connect with the first engagement gear ring and the second engagement gear ring, the driving motor output shaft and the drive system
Output shaft disconnects, cutting power transmitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821531194.8U CN208845650U (en) | 2018-09-19 | 2018-09-19 | A kind of integration power drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821531194.8U CN208845650U (en) | 2018-09-19 | 2018-09-19 | A kind of integration power drive system |
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| Publication Number | Publication Date |
|---|---|
| CN208845650U true CN208845650U (en) | 2019-05-10 |
Family
ID=66372034
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821531194.8U Expired - Fee Related CN208845650U (en) | 2018-09-19 | 2018-09-19 | A kind of integration power drive system |
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| Country | Link |
|---|---|
| CN (1) | CN208845650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843751A (en) * | 2018-09-19 | 2018-11-20 | 吉林大学 | A kind of integration power drive system and its control method |
-
2018
- 2018-09-19 CN CN201821531194.8U patent/CN208845650U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843751A (en) * | 2018-09-19 | 2018-11-20 | 吉林大学 | A kind of integration power drive system and its control method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Wei Inventor after: Lei Yulong Inventor after: Fu Yao Inventor after: Yan Bo Inventor after: Chu Tianzheng Inventor before: Chen Wei Inventor before: Lei Yulong Inventor before: Fu Yao Inventor before: Yan Bo Inventor before: Chu Tianzheng |
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| CB03 | Change of inventor or designer information | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190510 Termination date: 20210919 |
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| CF01 | Termination of patent right due to non-payment of annual fee |