CN205185841U - Hybrid drive system - Google Patents
Hybrid drive system Download PDFInfo
- Publication number
- CN205185841U CN205185841U CN201521031888.1U CN201521031888U CN205185841U CN 205185841 U CN205185841 U CN 205185841U CN 201521031888 U CN201521031888 U CN 201521031888U CN 205185841 U CN205185841 U CN 205185841U
- Authority
- CN
- China
- Prior art keywords
- shaft
- output shaft
- power
- electrical generator
- power take
- 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.)
- Active
Links
Classifications
-
- 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
- Y02T10/62—Hybrid vehicles
Abstract
The utility model provides a hybrid drive system, hybrid drive system includes: engine (10), generator (20) are with engine (10) coaxial coupling, power output shaft (30), the dead in line of the output shaft of clutch (70) and generator (20), the axis of power output shaft (30) and the output shaft of generator (20) is passed through in power output shaft (30), motor (40), the output shaft and power output shaft (30) the transmission of motor (40) are connected, and motor (40) are connected with generator (20) electricity, wherein, the output shaft of generator (20) combines or the separation through clutch (70) with power output shaft (30). The technical scheme of the utility model hybrid drive system's the problem that the structure is complicated among the prior art has been solved effectively.
Description
Technical field
The utility model relates to electric vehicle engineering field, in particular to a kind of hybrid power system.
Background technology
At present, hybrid vehicle is equipped with electrical motor and driving engine simultaneously, improves low speed power and exports and fuel oil consumption.Hybrid power system comprises series connection type hybrid power system, parallel connection type hybrid power system and series-parallel hybrid electric system.
Series connection type hybrid power system is generally generated electricity by the direct drive electrical generators of combustion engine, and the electric energy of generation passes to battery by control unit, then is transferred to motor by battery and is converted into kinetic energy, drives automobile finally by speed-changing mechanism.Serial type hybrid automobile controls simple, and driving engine is operated in optimum fuel consumption region for a long time, and automobile significantly can reduce oil consumption when city operations, is applicable to city operations.But because fuel drives vehicle again after generating, efficiency is lower, when car load high-speed working condition, inefficiency, on the contrary excessive fuel consumption.
Parallel connection type hybrid power system comprises two cover drive systems: traditional internal-combustion engine system and motor driven systems.Two systems both can co-ordination simultaneously, and also can work independently driving automobile separately.Parallel type system driving engine often runs on different operating mode, less economical.In addition, change-speed box bears the moment of torsion summation of driving engine and electrical motor, and require higher to high pulling torque automatic transmission with hydraulic torque converter, domestic do not have associated transmissions, increases cost.
The feature of series-parallel hybrid electric system is that internal-combustion engine system and motor driven systems respectively have a set of mechanical variable speed device, and Liang Tao mechanism is combined by train of gears or planet gear type structure, thus the rotation speed relation between comprehensive adjustment combustion engine and electrical motor.Series parallel type power system technical sophistication, cost is high.
Utility model content
Main purpose of the present utility model is to provide a kind of hybrid power system, to solve the baroque problem of hybrid power system in prior art.
To achieve these goals, the utility model provides a kind of hybrid power system, comprising: driving engine; Electrical generator, is coaxially connected with driving engine; Power take-off shaft, power take-off shaft is connected with the output shaft of electrical generator by power-transfer clutch, the dead in line of the axis of power take-off shaft and the output shaft of electrical generator; Electrical motor, the output shaft of electrical motor is connected with pto, and electrical motor is electrically connected with electrical generator; Wherein, output shaft and the power take-off shaft of electrical generator are combined by power-transfer clutch or are separated.
Further, the output shaft of electrical generator has the primary importance be separated with power take-off shaft, driven by engine electrical power generators, the output shaft rotation of the controlling electric energy electrical motor that electrical generator produces, electrical motor drives power take-off shaft to rotate, power take-off shaft outputting power, hybrid power system forms series connection type hybrid power system.
Further, the output shaft of electrical generator has the second place be combined with power take-off shaft, and the power of driving engine and electrical motor is exported by power take-off shaft, and hybrid power system forms parallel connection type hybrid power system.
Further, the output shaft of electrical generator has the primary importance be separated with power take-off shaft, and the power of electrical motor is exported by power take-off shaft, and hybrid power system is in the mode of operation that electrical motor drives separately.
Further, the output shaft of electrical generator has the second place be combined with power take-off shaft, and the power of driving engine passes through output shaft and the power take-off shaft output of electrical generator, and hybrid power system is in the mode of operation that driving engine drives separately.
Further, the output shaft of electrical motor and the output shaft of electrical generator be arranged in parallel.
Further, driving engine is connected by power connecting mechanism with electrical generator.
Further, the output shaft of electrical motor is connected by gear drive with power take-off shaft.
Further, gear drive comprises intermeshing first gear and the second gear, and the first gear is arranged on the output shaft of electrical motor, and the second gear is arranged on power take-off shaft.
Further, power-transfer clutch comprises initiative part, follower and steering unit, and initiative part is arranged on the output shaft of electrical generator, and follower is arranged on power take-off shaft, and steering unit drives initiative part combine with follower or be separated.
Application the technical solution of the utility model, driving engine is connected with generator coaxle and coaxial with power take-off shaft, adopt a power-transfer clutch to realize the output shaft of electrical generator connect with the power between power take-off shaft or be separated, thus realize the series and parallel connections of hybrid power system.Can initiatively switch series operation and parallel operation according to actual vehicle running state like this, make driving engine operate in Optimum Economic region always, thus effectively reduce energy consumption, improve Fuel Economy for Hybrid Electric Vehicles.Said structure is simple, and arrangement convenience is with low cost.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural representation of the embodiment according to hybrid power system of the present utility model.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
10, driving engine; 20, electrical generator; 30, power take-off shaft; 40, electrical motor; 50, power connecting mechanism; 60, gear drive; 61, the first gear; 62, the second gear; 70, power-transfer clutch; 71, initiative part; 72, follower; 73, steering unit.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
As shown in Figure 1, the hybrid power system of the present embodiment comprises driving engine 10, electrical generator 20, power take-off shaft 30 and electrical motor 40.Electrical generator 20 is coaxially connected with driving engine 10, power take-off shaft 30 is connected with the output shaft of electrical generator 20 by power-transfer clutch 70, the dead in line of the axis of power take-off shaft 30 and the output shaft of electrical generator 20, output shaft and the power take-off shaft 30 of electrical motor 40 are in transmission connection, and electrical motor 40 is electrically connected with electrical generator 20.Wherein, the output shaft of electrical generator 20 is combined with power take-off shaft 30 by power-transfer clutch 70 or is separated.
The hybrid power system of application the present embodiment, driving engine 10 and electrical generator 20 be coaxial to be connected and coaxial with power take-off shaft 30, adopt a power-transfer clutch 70 to realize the output shaft of electrical generator 20 connect with the power between power take-off shaft 30 or be separated, realize driving engine 10 and electrical motor 40 tandem drive or parallel drive, thus realize the series and parallel connections of hybrid power system.Can initiatively switch series operation and parallel operation according to actual vehicle running state like this, make driving engine operate in Optimum Economic region always, thus effectively reduce energy consumption, improve Fuel Economy for Hybrid Electric Vehicles.Said structure is simple, and arrangement convenience is with low cost.
Alternatively, the output shaft of electrical generator 20 has the primary importance be separated with power take-off shaft 30, driving engine 10 drive electrical generators 20 generates electricity, the output shaft rotation of the controlling electric energy electrical motor 40 that electrical generator 20 produces, electrical motor 40 drives power take-off shaft 30 to rotate, power take-off shaft 30 outputting power, hybrid power system forms series connection type hybrid power system.That is, under series model type of drive, transmission of power is not had between the output shaft of electrical generator 20 and power take-off shaft 30, driving engine 10 works, electrical generator 20 works in the mode of generating, electrical motor 40 works in electronic mode, and the output shaft rotation of electrical motor 40 drives power take-off shaft 30 to rotate, power take-off shaft 30 outputting power.
Alternatively, the output shaft of electrical generator 20 has the second place be combined with power take-off shaft 30, and the power of driving engine 10 and electrical motor 40 is exported by power take-off shaft 30, and hybrid power system forms parallel connection type hybrid power system.That is, under paralleling model type of drive, the output shaft of electrical generator 20 is combined with power take-off shaft 30, the output shaft of electrical generator 20 and power take-off shaft 30 operate in same rotating speed mode, driving engine 10 works, electrical generator 20 does not work, and electrical motor 40 works in electronic mode, and the power of driving engine 10 and the power of electrical motor 40 are exported by power take-off shaft 30.
Alternatively, the output shaft of electrical generator 20 has the primary importance be separated with power take-off shaft 30, and the power of electrical motor 40 is exported by power take-off shaft 30, and hybrid power system is in the mode of operation that electrical motor drives separately.That is, under pure motorized motions mode, transmission of power is not had between the output shaft of electrical generator 20 and power take-off shaft 30, driving engine 10, electrical generator 20 do not work, electrical motor 40 works in electronic mode, the output shaft rotation of electrical motor 40 drives power take-off shaft 30 to rotate, power take-off shaft 30 outputting power.
Alternatively, the output shaft of electrical generator 20 has the second place be combined with power take-off shaft 30, and the power of driving engine 10 is exported by the output shaft of electrical generator 20 and power take-off shaft 30, and hybrid power system is in the mode of operation that driving engine drives separately.That is, under the independent type of drive of driving engine, the output shaft of electrical generator 20 is combined with power take-off shaft 30, the output shaft of electrical generator 20 and power take-off shaft 30 operate in same rotating speed mode, driving engine 10 works, electrical generator 20 does not work, and electrical motor 40 does not work, and the power of driving engine 10 is directly exported by power take-off shaft 30.
Alternatively, the output shaft of electrical motor 40 and the output shaft of electrical generator 20 be arranged in parallel.Make electrical motor 40 and driving engine 10 disalignment arrange like this, the layout of electrical motor 40 is more prone to, and structure is simple, simple installation, reduces the labour intensity of operating personal.
Alternatively, driving engine 10 is connected by power connecting mechanism 50 with electrical generator 20.The output shaft of driving engine 10 can be conveniently connected to by power connecting mechanism 50 on the output shaft of electrical generator 20 by power connecting mechanism 50, and structure is simple, easy to connect.Preferably, power connecting mechanism is torsion vibration absorber or two quality wind wheel.
Alternatively, the output shaft of electrical motor 40 is connected by gear drive 60 with power take-off shaft 30.The structure of gear drive 60 is simple, easy to use, with low cost.Alternatively, gear drive 60 comprises intermeshing first gear 61 and the second gear 62, first gear 61 is arranged on the output shaft of electrical motor 40, and the second gear 62 is arranged on power take-off shaft 30.Adopt gear drive 60 structure of two gears simple, characteristics of compact layout.Preferably, gear drive is fixed speed ratio gear drive or derailleur.By the speed ratio of adjusting gear transmission device, the fuel economy of car load when engine direct drives can be optimized.
Alternatively, power-transfer clutch 70 comprises initiative part 71, follower 72 and steering unit 73, and initiative part 71 is arranged on the output shaft of electrical generator 20, and follower 72 is arranged on power take-off shaft 30, and steering unit 73 drives initiative part 71 to combine with follower 72 or be separated.By driving steering unit 73 to make initiative part 71 combine with follower 72 or be separated, thus the transmission of power realized between the output shaft of electrical generator 20 and power take-off shaft 30 or disconnection.
The method of work of hybrid power system uses above-mentioned hybrid power system, the mode of operation of hybrid power system comprise following any one: driving engine and motor in series drive, driving engine and electrical motor parallel drive, electrical motor drive separately, driving engine drives separately and feedback braking, and the method for work of hybrid power system comprises:
Under the mode of operation that driving engine and motor in series drive, the output shaft of the electrical generator 20 of hybrid power system is separated with the power take-off shaft 30 of hybrid power system, driving engine 10 drives the electrical generator 20 of hybrid power system to generate electricity, the output shaft rotation of the controlling electric energy electrical motor 40 that electrical generator 20 produces, electrical motor 40 drives power take-off shaft 30 to rotate, power take-off shaft 30 outputting power; Or
Under the mode of operation of driving engine and electrical motor parallel drive, the output shaft of electrical generator 20 is combined with power take-off shaft 30, and the power of driving engine 10 and electrical motor 40 is exported by power take-off shaft 30; Or
Under the mode of operation that electrical motor drives separately, the output shaft of electrical generator 20 is separated with power take-off shaft 30, and the power of electrical motor 40 is exported by power take-off shaft 30; Or
Under the mode of operation that driving engine drives separately, the output shaft of electrical generator 20 is combined with power take-off shaft 30, and the power of driving engine 10 is exported by the output shaft of electrical generator 20 and power take-off shaft 30; Or
Under the mode of operation of feedback braking, electrical motor 40 is in generator mode, and electrical motor 40 reclaims the braking kinetic energy of electronlmobil.
In sum, the hybrid power system of the present embodiment comprises driving engine, power connecting mechanism, electrical generator, power-transfer clutch, gear drive, power take-off shaft and electrical motor.One end of power connecting mechanism and the output shaft fixed connection of electrical generator, the other end of power connecting mechanism and the output shaft fixed connection of driving engine, be connected driving engine with generator power, and this power connecting mechanism can be the mechanism such as torsion vibration absorber, double mass flywheel.Power connecting mechanism, electrical generator, initiative part are connected on the output shaft of electrical generator, and follower is connected on power take-off shaft, the output shaft of electrical generator and power take-off shaft coaxial line, the connection that can be realized initiative part and follower by operating mechanism be separated.Electrical generator is engine starting and power generation all-in-one machine, adopts power connecting mechanism to be connected between electrical generator with driving engine.Electrical motor is drive motor, by transmission device by transmission of power on power take-off shaft, and by power take-off shaft outputting power, this transmission device can be fixed speed ratio gear transmission also can be speed-changing mechanism transmission.The hybrid power system of the present embodiment by the combination that controls initiative part and follower be separated realize pure motorized motions, series model drives, paralleling model drives, driving engine drives separately, feedback braking five kinds of mode of operations.
The mode of operation of the hybrid power system of the present embodiment is:
Under pure motorized motions mode, operating mechanism is in released state, does not have transmission of power between initiative part and follower, and driving engine, electrical generator do not work, and electrical motor works in electronic mode, is exported by transmission of power by transmission device to power take-off shaft.
Under series model type of drive, operating mechanism is in released state, does not have transmission of power between initiative part and follower, engine operation, electrical generator works in the mode of generating, and electrical motor works in electronic mode, is exported by transmission of power by transmission device to power take-off shaft.
Under paralleling model type of drive, operating mechanism is in bonding state, initiative part and follower combine, the output shaft of electrical generator and power take-off shaft operate in same rotating speed mode, engine operation, electrical generator does not work, and electrical motor works in electronic mode, and the power of driving engine and the power of electrical motor are exported by power take-off shaft.
Under the independent type of drive of driving engine, operating mechanism is in bonding state initiative part and follower combines, the output shaft of electrical generator and power take-off shaft operate and transferring power in same rotating speed mode, engine operation, electrical generator does not work, electrical motor does not work, and the power of driving engine is directly exported by power take-off shaft.
Under feedback braking mode, electrical motor works in electrical generator mode, reclaims vehicle braking kinetic-energy.
As can be seen from the above description, the utility model the above embodiments achieve following technique effect:
Driving engine is connected with generator coaxle and coaxial with power take-off shaft (output shaft of electrical generator and power take-off shaft place are on the same axis), electrical motor passes through a sets of transmission mechanism by transmission of power to power take-off shaft, arrange a power-transfer clutch between the output shaft of electrical generator and power take-off shaft, realize driving engine, power between electrical generator with power take-off shaft connects and is separated.When the clutch is disengaged, driving engine and electrical generator form power generating system, and realize electricity generate function, car load operates in series model; When power-transfer clutch in conjunction with time, driving engine, electrical generator and electrical motor can simultaneously outputting power be to wheel, and realize the Parallel opertation of power, car load operational mode is paralleling model; When power-transfer clutch in conjunction with time, driving engine also can drive separately vehicle to advance.
The hybrid power of the present embodiment ties up on conventional tandem hybrid power basis, can realize driving engine Direct driver, improves Fuel Economy for Hybrid Electric Vehicles, can also realize the series and parallel connections of hybrid power system.Initiatively switch series operation and parallel operation according to actual vehicle running state, make driving engine operate in Optimum Economic region always, thus effectively reduce energy consumption, structure is simple, and cost is low.Because electrical motor and driving engine disalignment are arranged, the layout of electrical motor is more prone to, and by the speed ratio of adjusting transmission mechanism, can optimize the fuel economy of car load when engine direct drives.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a hybrid power system, is characterized in that, comprising:
Driving engine (10);
Electrical generator (20), is coaxially connected with described driving engine (10);
Power take-off shaft (30), described power take-off shaft (30) is connected by the output shaft of power-transfer clutch (70) with described electrical generator (20), the dead in line of the axis of described power take-off shaft (30) and the output shaft of described electrical generator (20);
Electrical motor (40), output shaft and the described power take-off shaft (30) of described electrical motor (40) are in transmission connection, and described electrical motor (40) is electrically connected with described electrical generator (20);
Wherein, the output shaft of described electrical generator (20) is combined with described power take-off shaft (30) by described power-transfer clutch (70) or is separated.
2. hybrid power system according to claim 1, is characterized in that,
The output shaft of described electrical generator (20) has the primary importance be separated with described power take-off shaft (30), described driving engine (10) drives described electrical generator (20) to generate electricity, the output shaft rotation of electrical motor (40) described in the controlling electric energy that described electrical generator (20) produces, described electrical motor (40) drives described power take-off shaft (30) to rotate, described power take-off shaft (30) outputting power, described hybrid power system forms series connection type hybrid power system.
3. hybrid power system according to claim 1, is characterized in that,
The output shaft of described electrical generator (20) has the second place combined with described power take-off shaft (30), the power of described driving engine (10) and described electrical motor (40) is exported by described power take-off shaft (30), and described hybrid power system forms parallel connection type hybrid power system.
4. hybrid power system according to claim 1, it is characterized in that, the output shaft of described electrical generator (20) has the primary importance be separated with described power take-off shaft (30), the power of described electrical motor (40) is exported by described power take-off shaft (30), and described hybrid power system is in the mode of operation that electrical motor drives separately.
5. hybrid power system according to claim 1, it is characterized in that, the output shaft of described electrical generator (20) has the second place combined with described power take-off shaft (30), the power of described driving engine (10) passes through output shaft and described power take-off shaft (30) output of described electrical generator (20), and described hybrid power system is in the mode of operation that driving engine drives separately.
6. hybrid power system according to claim 1, is characterized in that, the output shaft of described electrical motor (40) and the output shaft of described electrical generator (20) be arranged in parallel.
7. hybrid power system according to claim 1, is characterized in that, described driving engine (10) is connected by power connecting mechanism (50) with described electrical generator (20).
8. hybrid power system according to claim 1, is characterized in that, the output shaft of described electrical motor (40) is connected by gear drive (60) with described power take-off shaft (30).
9. hybrid power system according to claim 8, it is characterized in that, described gear drive (60) comprises intermeshing first gear (61) and the second gear (62), described first gear (61) is arranged on the output shaft of described electrical motor (40), and described second gear (62) is arranged on described power take-off shaft (30).
10. hybrid power system according to claim 1, it is characterized in that, described power-transfer clutch (70) comprises initiative part (71), follower (72) and steering unit (73), described initiative part (71) is arranged on the output shaft of described electrical generator (20), described follower (72) is arranged on described power take-off shaft (30), and described steering unit (73) drives described initiative part (71) combine with described follower (72) or be separated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521031888.1U CN205185841U (en) | 2015-12-11 | 2015-12-11 | Hybrid drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521031888.1U CN205185841U (en) | 2015-12-11 | 2015-12-11 | Hybrid drive system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205185841U true CN205185841U (en) | 2016-04-27 |
Family
ID=55778869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521031888.1U Active CN205185841U (en) | 2015-12-11 | 2015-12-11 | Hybrid drive system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205185841U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105383282A (en) * | 2015-12-11 | 2016-03-09 | 北京新能源汽车股份有限公司 | Hybrid power system and working method of hybrid power system |
-
2015
- 2015-12-11 CN CN201521031888.1U patent/CN205185841U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105383282A (en) * | 2015-12-11 | 2016-03-09 | 北京新能源汽车股份有限公司 | Hybrid power system and working method of hybrid power system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100476253C (en) | Multimode transmission system of mixing dynamical automobile | |
| CN102259584B (en) | Hybrid power driven system and vehicle comprising same | |
| CN102910060B (en) | Reconfigurable power dividing dynamical system for electric motor car | |
| CN102815198B (en) | Mixed power automobile driving system based on variable transmission | |
| CN209159399U (en) | Hybrid electric drive system and vehicle | |
| CN101209667A (en) | Mixed power outputting device | |
| CN101209666A (en) | Mixed power outputting device | |
| CN207809033U (en) | Hybrid electric drive system and vehicle | |
| CN208867853U (en) | Two gear hybrid power coupled systems and vehicle | |
| CN207809032U (en) | Hybrid electric drive system and vehicle | |
| CN203093717U (en) | Hybrid power driving device | |
| CN109130831B (en) | Automobile multi-mode hybrid power coupling device | |
| CN102848898A (en) | Hybrid drive assembly and hybrid drive car applying hybrid drive assembly | |
| CN109080428A (en) | A kind of series-parallel hybrid electric system and the vehicle including the hybrid power system | |
| CN101342866A (en) | Electric coupling apparatus of hybrid power machine with dual-coupling mode | |
| CN111055672A (en) | Two keep off hybrid coupling system and vehicle | |
| CN208290960U (en) | Hybrid electric drive system and vehicle | |
| CN114274760A (en) | Dual-motor hybrid power system, control method and hybrid power automobile | |
| CN102717694B (en) | Hybrid power transmission device | |
| CN108944409A (en) | Novel hybrid coupling mechanism and hybrid power control method, device | |
| CN101585314B (en) | Hybrid power-driven system | |
| CN108839550B (en) | Hybrid power system | |
| CN203093719U (en) | Hybrid power driving system | |
| CN208290955U (en) | hybrid power coupling mechanism and automobile | |
| CN111016618A (en) | Hybrid power driving system and hybrid power automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |