CN201437326U - Hybrid power driving system - Google Patents
Hybrid power driving system Download PDFInfo
- Publication number
- CN201437326U CN201437326U CN2009201333938U CN200920133393U CN201437326U CN 201437326 U CN201437326 U CN 201437326U CN 2009201333938 U CN2009201333938 U CN 2009201333938U CN 200920133393 U CN200920133393 U CN 200920133393U CN 201437326 U CN201437326 U CN 201437326U
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- Prior art keywords
- dynamotor
- rotating element
- driving engine
- power
- transmission device
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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
- Y02T10/62—Hybrid vehicles
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Abstract
The utility model relates to a hybrid power driving system, which comprises an engine, a first electric motor generator, a second electric motor generator, an energy storage device, a transmission mechanism and a clutch, wherein the energy storage device is connected with the first electric motor generator and the second electric motor generator. The system also comprises a planet gear mechanism, wherein the planet gear mechanism comprises a first rotating element, a second rotating element and a third rotating element; the engine, the first electric motor generator, the clutch and the first rotating element are sequentially connected with each other; the second rotating element is connected with the transmission mechanism; and the third rotating element is connected with the second electric motor generator. For the hybrid power driving system, according to the characteristics of the planet gear mechanism, the engine can always run at the oil consumption economical area by adjusting the rotating speed of the second electric motor generator, so as to reduce the oil consumption of the engine better.
Description
Technical field
The utility model relates to the hybrid vehicle field, relates in particular to a kind of hybrid electric drive system.
Background technology
Prior art discloses and has a kind ofly comprised driving engine by driving engine and motor-driven hybrid vehicle, motor, change-speed box and wheel drive shaft.Change-speed box comprises sun and planet gear and the free-wheel clutch with first to the 3rd rotating element.First rotating element (as sun wheel) of sun and planet gear is connected to the output shaft of driving engine, and second rotating element (as gear ring) is connected to the output shaft of motor, and the 3rd rotating element (as pinion carrier) is connected to wheel drive shaft.Free-wheel clutch is arranged between first rotating element and the driving engine, guarantees that driving engine rotates along a direction, drags engine inversion when avoiding the sun wheel counter-rotating.
According to technique scheme, vehicle can be driven jointly by driving engine and motor, by the driving engine independent drive, and by the motor independent drive.During by the motor independent drive, can make change-speed box at underdrive operating, thereby motor can provide enough propulsive efforts to come powered vehicle to travel at vehicle, be dragged by counter when free-wheel clutch avoids driving engine not work simultaneously.
On the basis of this technical scheme, can also between the gear ring of sun and planet gear and sun wheel, arrange power-transfer clutch, perhaps between gear ring and case of transmission, arrange drg, perhaps between gear ring and sun wheel, arrange free-wheel clutch, perhaps between gear ring and wheel drive shaft, arrange free-wheel clutch, or the like, to satisfy different vehicle design requirements.
In above-mentioned each technical scheme, can realize different vehicular drive patterns.But, its fuel economy problem when these technical schemes do not fully take into account driving engine participation work.
The utility model content
The utility model does not take into full account the shortcoming of engine fuel economy when overcoming driving engine participation work in the hybrid electric drive system, a kind of hybrid electric drive system is provided, wherein when driving engine participated in driving, described driving engine can always move in the oil consumption economic zone.
A kind of hybrid electric drive system of the present utility model, comprise: driving engine, first dynamotor, second dynamotor, the closed-center system that all links to each other with first dynamotor and second dynamotor, transmission device and power-transfer clutch, wherein, this system also comprises: sun and planet gear, described sun and planet gear comprises first rotating element, second rotating element and the 3rd rotating element, described driving engine, first dynamotor, power-transfer clutch links to each other successively with first rotating element, described second rotating element links to each other with described transmission device, and described the 3rd rotating element links to each other with described second dynamotor.
Hybrid electric drive system of the present utility model can be according to the characteristics of sun and planet gear, thereby make driving engine always in the operation of oil consumption economic zone by the rotating speed of regulating second dynamotor, thereby reduce the oil consumption of driving engine better.
Description of drawings
Fig. 1 is a kind of embodiment structural representation of the utility model hybrid electric drive system;
Fig. 2 is the scheme drawing according to rotation speed relation between expression gear ring, pinion carrier and the sun wheel of a kind of embodiment of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.
According to a kind of embodiment of the present utility model, as shown in Figure 1, a kind of hybrid electric drive system, comprise: driving engine 1, first dynamotor 2, second dynamotor 9, the closed-center system 12 that all links to each other with first dynamotor 2 and second dynamotor 9, transmission device 10 and power-transfer clutch 3, wherein, this system also comprises: sun and planet gear 4, sun and planet gear 4 comprises first rotating element 5, second rotating element 6 and the 3rd rotating element 7, driving engine 1, first dynamotor 2, power-transfer clutch 3 links to each other successively with first rotating element 5, second rotating element 6 links to each other with transmission device 10, and the 3rd rotating element 7 links to each other with second dynamotor 9.
Further, this drive system also comprises synchro 8, and synchro 8 is arranged between second rotating element 6 and the 3rd rotating element 7.
Driving engine 1, first dynamotor 2, power-transfer clutch 3 and first rotating element 5 are preferably same axle mounting, can save disalignment required connecting device when installing like this, and as gear cluster etc., thereby simplified structure is saved installing space.
First rotating element 5, second rotating element 6 and the 3rd rotating element 7 can be respectively a kind of in gear ring or pinion carrier or the sun wheel, as a kind of embodiment, first rotating element 5 is a gear ring, and second rotating element 6 is a pinion carrier, and the 3rd rotating element 7 is a sun wheel.Driving engine 1, first dynamotor 2, power-transfer clutch 3 link to each other successively with gear ring, and pinion carrier links to each other with transmission device 10, and sun wheel links to each other with second dynamotor 9.
Driving engine 1 can adopt gasoline or diesel oil etc. to act as a fuel, and can pass through the outside outputting power of output shaft.
Closed-center system 12 is a controlled energy storage units, can be lithium cell, iron cell, Ni-MH battery, Ni-Cr battery etc.Closed-center system 12 of the present utility model can also have external charge interface (not shown), and therefore drive system of the present utility model also has the external power charging operating mode.That is be closed-center system 12 chargings, by the external charge interface.By this operating mode, charge period at low power consumption, for example evening or the late into the night, can the reasonable use civil power.And, utilize commercial power charged Billy with the fuel engines cost of electricity-generating will be low many, therefore reduced the vehicle operation cost, and reduced environmental pollution.
Further, between closed-center system 12 and two dynamotors, can also be connected with first power inverter and the second power inverter (not shown) respectively, first power inverter and second power inverter can carry out the beidirectional Power Conversion, thereby the conversion by the Power Conversion unit, two dynamotors can be converted to takeoff output with the electric energy that closed-center system 12 stores, simultaneously, two dynamotors can also be that electrical power storage is in closed-center system 12 with power conversion.
Control for convenience, power-transfer clutch 3 is preferably electric control clutch.
Synchro 8 is arranged between pinion carrier and the sun wheel, promptly is arranged between the output shaft of the pinion carrier and second dynamotor 9.
Synchro 8 can adopt normally used synchronizer structure in traditional change-speed box, for example friction-type inertia synchronizer.As a kind of embodiment, synchro 8 can comprise the splined hub that is fixed on second dynamotor, 9 output shafts, can be on splined hub sliding hub in axial sliding, and can with the lock ring of pinion carrier (the normally satellite gear on the pinion carrier) frictional engagement.In the time need engaging the output shaft of pinion carrier and the sun wheel or second dynamotor 9 by synchro 8, can stir sliding hub by existing shifting fork mechanism, lock ring is engaged with pinion carrier, thereby pinion carrier can be rotated with splined hub, realize the transmission of power between pinion carrier and the motor output shaft.
In this embodiment, when pinion carrier engages by synchro 8 with sun wheel and rotates synchronously, whole sun and planet gear 4 will be done as a whole being rotated.At this moment, driving engine 1 can provide power, and a part of power is exported to wheel drive shaft by sun and planet gear 4, and another part power can be used to drive 9 generatings of second dynamotor.At this moment, second dynamotor 9 also can provide power, outputs power to wheel drive shaft with driving engine 1.Perhaps, when power-transfer clutch 3 disconnects, can also be by second dynamotor, 9 independent drive vehicle '.Therefore, by this structure, can realize the various mode of operations of hybrid electric drive system easily.
Fig. 2 is the scheme drawing according to rotation speed relation between expression gear ring, pinion carrier and the sun wheel of a kind of embodiment of the utility model.Wherein, N1 represents the rotating speed of driving engine 1 or the driving engine 1 and first dynamotor 2; N2 represents the rotating speed that the input speed of transmission device 10 is promptly exported from sun and planet gear 4; N3 represents the rotating speed of second dynamotor 9.The joint of each rotation speed relation connection lead is represented the rotating speed in driving engine 1 corresponding oil consumption economic zone among Fig. 2.Rotation speed relation between three rotating elements is: N3+kN1=(1+k) N2, and k=Z1/Z3, wherein Z1 is the gear ring number of teeth, Z3 is the sun wheel number of teeth.As shown in Figure 2, when Vehicle Speed is determined, the input speed of transmission device 10 is determined, because it is definite that driving engine 1 is operated in the rotating speed in oil consumption economic zone, according to the rotation speed relation between three rotating elements: N3+kN1=(1+k) N2, k=Z1/Z3, wherein Z1 is the gear ring number of teeth, Z3 is the sun wheel number of teeth, can make the rotating speed of the rotating speed of rotating speed, transmission device 10 of driving engine 1 and second dynamotor 9 satisfy the rotation speed relation between three rotating elements by the rotating speed of regulating second dynamotor 9.The rotating speed of driving engine 1 is in the rotating speed in oil consumption economic zone at this moment.Therefore,, can reduce the oil consumption of driving engine 1 better, improve the fuel economy of whole drive system by the technical solution of the utility model.
Simultaneously, when the rotating speed of driving engine 1 was in the oil consumption economic zone, by regulating the rotating speed of second dynamotor 9, the rotating speed of transmission device 10 can gradually change in certain speed range, promptly can realize the infinite speed variation in the certain limit.When driving engine 1 during corresponding to other rotating speed, by regulating the rotating speed of second dynamotor 9, the rotating speed of transmission device 10 also can change thereupon, so just can realize infinite speed variation.Promptly this drive system can realize infinite speed variation.
According to a kind of embodiment of the present utility model, this drive system can be operated in the following various operating mode:
Pure electronic operating mode: as propulsion source, at this moment, power-transfer clutch 3 separates by second dynamotor 9, and synchro 8 combinations make that sun wheel and the pinion carrier in the sun and planet gear 4 is synchronous, and power is delivered to transmission device 10 by pinion carrier, and then powered vehicle is travelled.
Engine operating condition: provide power separately by driving engine 1, at this moment, and power-transfer clutch 3 combinations, power is delivered to transmission device 10 by pinion carrier, and then powered vehicle is travelled.Synchro 8 combinations simultaneously, driving engine 1 also drive first dynamotor 2 and 9 generatings of second dynamotor and give closed-center system 12 chargings.
The series connection operating mode: as propulsion source, at this moment, power-transfer clutch 3 separates by second dynamotor 9, and synchro 8 combinations make that sun wheel and the pinion carrier in the sun and planet gear 4 is synchronous, and power is delivered to transmission device 10 by pinion carrier, and then powered vehicle is travelled; Driving engine 1 starts simultaneously, thereby drives 2 generatings of first dynamotor and give closed-center system 12 chargings, and promptly this moment, vehicle operation was in the series connection operating mode.
Operating mode 1 in parallel: provide power jointly by first dynamotor 2, second dynamotor 9 and driving engine 1, at this moment, power-transfer clutch 3 combinations, synchro 8 separates, power is imported simultaneously by gear ring 5 and sun wheel 7, and is delivered to transmission device 10 by pinion carrier 6, thereby powered vehicle is travelled.At this moment, according to shown in Figure 2, when the rotating speed of transmission device 10 is determined, can make the rotating speed of driving engine 1 be in the rotating speed in oil consumption economic zone by the rotating speed of regulating second dynamotor 9.When the rotating speed of driving engine 1 is in the rotating speed in oil consumption economic zone, be the rotating speed of scalable transmission device 10 by the rotating speed of regulating second dynamotor 9, promptly can realize infinite speed variation.
Series-parallel connection operating mode 1: provide power jointly by second dynamotor 9 and driving engine 1, power-transfer clutch 3 combinations this moment, synchro 8 separates, power is imported simultaneously by gear ring 5 and sun wheel 7, and be delivered to transmission device 10 by pinion carrier 6, thereby powered vehicle is travelled, and driving engine 1 drives 2 generatings of first dynamotor simultaneously to give closed-center system 12 chargings.At this moment, according to shown in Figure 2, when the rotating speed of transmission device 10 is determined, can make the rotating speed of driving engine 1 be in the rotating speed in oil consumption economic zone by the rotating speed of regulating second dynamotor 9.When the rotating speed of driving engine 1 is in the rotating speed in oil consumption economic zone, be the rotating speed of scalable transmission device 10 by the rotating speed of regulating second dynamotor 9, promptly can realize infinite speed variation.
Series-parallel connection operating mode 2: provide power jointly by second dynamotor 9 and driving engine 1, power-transfer clutch 3 combinations this moment, synchro 8 combinations, power is imported simultaneously by gear ring 5 and sun wheel 7, and be delivered to transmission device 10 by pinion carrier 6, thereby powered vehicle is travelled, and driving engine 1 drives 2 generatings of first dynamotor simultaneously to give closed-center system 12 chargings.
Series-parallel connection operating mode 3: provide power by the driving engine 1 and first dynamotor 2, at this moment, and power-transfer clutch 3 combinations, synchro 8 combinations, power is delivered to transmission device 10 by pinion carrier, and then powered vehicle is travelled; Simultaneously, drive second dynamotor 9 generating and give closed-center system 12 chargings.
Hybrid electric drive system of the present utility model can also be operated under the following generating operation mode as required:
Feedback generating operation mode 1: power-transfer clutch 3 combinations, synchro 8 combinations, transmission device 10 drives first dynamotor 2 and 9 generatings of second dynamotor simultaneously and gives closed-center system 12 chargings, at this moment, transmission device 10 also can only drive 2 generatings of first dynamotor and 9 idle running of second dynamotor.
Feedback generating operation mode 2: power-transfer clutch 3 separates, synchro 8 combinations, and transmission device 10 drives 9 generatings of second dynamotor and gives closed-center system 12 chargings.
The power generation in parking operating mode: this moment stationary vehicle, power-transfer clutch 3 separates, driving engine 1 starts and also drives 2 generatings of first dynamotor to give closed-center system 12 chargings.
As mentioned above, because three rotating elements (gear ring, pinion carrier, sun wheel) of sun and planet gear 4 link to each other with the output shaft of output shaft, transmission device 10 and second dynamotor 9 of the driving engine 1 and first dynamotor 2 respectively, therefore the rotation speed relation between driving engine 1, transmission device 10 and second dynamotor, 9 threes meets the rotation speed relation of three rotating elements of sun and planet gear 4, as shown in Figure 2.Therefore, by the rotating speed of suitable control second dynamotor 9, can make driving engine 1, thereby can reduce the oil consumption of driving engine 1 better, improve fuel economy always in the operation of oil consumption economic zone.
Claims (4)
1. hybrid electric drive system, comprise: driving engine, first dynamotor, second dynamotor, the closed-center system that all links to each other with first dynamotor and second dynamotor, transmission device and power-transfer clutch, it is characterized in that, this system also comprises: sun and planet gear, described sun and planet gear comprises first rotating element, second rotating element and the 3rd rotating element, described driving engine, first dynamotor, power-transfer clutch links to each other successively with first rotating element, described second rotating element links to each other with described transmission device, and described the 3rd rotating element links to each other with described second dynamotor.
2. drive system according to claim 1 is characterized in that described drive system also comprises synchro, and described synchro is arranged between described second rotating element and described the 3rd rotating element.
3. drive system according to claim 2 is characterized in that, described first rotating element is a gear ring, and described second rotating element is a pinion carrier, and described the 3rd rotating element is a sun wheel.
4. drive system according to claim 3 is characterized in that, described synchro is arranged between the output shaft of the described pinion carrier and second dynamotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201333938U CN201437326U (en) | 2009-06-30 | 2009-06-30 | Hybrid power driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201333938U CN201437326U (en) | 2009-06-30 | 2009-06-30 | Hybrid power driving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201437326U true CN201437326U (en) | 2010-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201333938U Expired - Lifetime CN201437326U (en) | 2009-06-30 | 2009-06-30 | Hybrid power driving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201437326U (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870258A (en) * | 2010-07-07 | 2010-10-27 | 天津市松正电动科技有限公司 | Hybrid power driving device |
| CN101985274A (en) * | 2010-11-12 | 2011-03-16 | 北京航空航天大学 | Five-gear automatic transmission-based hybrid vehicle transmission system |
| CN102050001A (en) * | 2010-12-30 | 2011-05-11 | 上海交通大学 | Four-die stepless speed change series-parallel hybrid power driving system |
| WO2012000325A1 (en) * | 2010-06-29 | 2012-01-05 | 北汽福田汽车股份有限公司 | Hybrid propulsion system |
| WO2014000390A1 (en) * | 2012-06-26 | 2014-01-03 | 湖南三一智能控制设备有限公司 | Method for controlling transmission system of electrically-driven tramcar and tramcar using method |
| CN104494415A (en) * | 2014-12-31 | 2015-04-08 | 上海交通大学 | Multi-purpose adaptive second-gear multimode stepless speed changing electric transmission integrated power system |
| CN104653719A (en) * | 2013-11-25 | 2015-05-27 | 现代自动车株式会社 | Hybrid Power Train For Vehicle |
| CN104827882A (en) * | 2014-12-16 | 2015-08-12 | 北汽福田汽车股份有限公司 | Power transmission system and driving control method thereof for hybrid vehicle |
| CN104842772A (en) * | 2015-03-27 | 2015-08-19 | 比亚迪股份有限公司 | Power transmission system and vehicle provided with same |
| WO2018077265A1 (en) * | 2016-10-31 | 2018-05-03 | 比亚迪股份有限公司 | Power train system and vehicle having same |
| CN108237900A (en) * | 2016-12-27 | 2018-07-03 | 比亚迪股份有限公司 | Drive shaft locking system and power-driven system and vehicle |
| CN108237905A (en) * | 2016-12-27 | 2018-07-03 | 比亚迪股份有限公司 | Drive shaft locking system and power-driven system and vehicle |
| CN108944389A (en) * | 2018-05-08 | 2018-12-07 | 上海汽车集团股份有限公司 | The coaxial electric drive system of multi gear |
| CN109795309A (en) * | 2019-03-22 | 2019-05-24 | 合肥工业大学 | A kind of double clutch coupled hybrid systems |
| CN110143125A (en) * | 2019-04-18 | 2019-08-20 | 浙江吉利控股集团有限公司 | A kind of hybrid power system and vehicle |
| CN110682790A (en) * | 2018-07-04 | 2020-01-14 | 比亚迪股份有限公司 | Vehicle transmission device and vehicle |
| CN111016881A (en) * | 2019-12-06 | 2020-04-17 | 义乌吉利自动变速器有限公司 | Hybrid power assembly gear control system and vehicle |
-
2009
- 2009-06-30 CN CN2009201333938U patent/CN201437326U/en not_active Expired - Lifetime
Cited By (25)
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| US8753241B2 (en) | 2010-06-29 | 2014-06-17 | Beiqi Foton Motor Co., Ltd. | Hybrid propulsion system |
| WO2012000325A1 (en) * | 2010-06-29 | 2012-01-05 | 北汽福田汽车股份有限公司 | Hybrid propulsion system |
| CN101870258A (en) * | 2010-07-07 | 2010-10-27 | 天津市松正电动科技有限公司 | Hybrid power driving device |
| CN101985274A (en) * | 2010-11-12 | 2011-03-16 | 北京航空航天大学 | Five-gear automatic transmission-based hybrid vehicle transmission system |
| CN101985274B (en) * | 2010-11-12 | 2012-12-19 | 北京航空航天大学 | Five-gear automatic transmission-based hybrid vehicle transmission system |
| CN102050001A (en) * | 2010-12-30 | 2011-05-11 | 上海交通大学 | Four-die stepless speed change series-parallel hybrid power driving system |
| WO2014000390A1 (en) * | 2012-06-26 | 2014-01-03 | 湖南三一智能控制设备有限公司 | Method for controlling transmission system of electrically-driven tramcar and tramcar using method |
| CN104653719B (en) * | 2013-11-25 | 2018-08-31 | 现代自动车株式会社 | Hybrid power system for vehicle |
| CN104653719A (en) * | 2013-11-25 | 2015-05-27 | 现代自动车株式会社 | Hybrid Power Train For Vehicle |
| CN104827882A (en) * | 2014-12-16 | 2015-08-12 | 北汽福田汽车股份有限公司 | Power transmission system and driving control method thereof for hybrid vehicle |
| CN104494415A (en) * | 2014-12-31 | 2015-04-08 | 上海交通大学 | Multi-purpose adaptive second-gear multimode stepless speed changing electric transmission integrated power system |
| CN104842772A (en) * | 2015-03-27 | 2015-08-19 | 比亚迪股份有限公司 | Power transmission system and vehicle provided with same |
| CN104842772B (en) * | 2015-03-27 | 2016-04-13 | 比亚迪股份有限公司 | Power drive system and there is its vehicle |
| WO2018077265A1 (en) * | 2016-10-31 | 2018-05-03 | 比亚迪股份有限公司 | Power train system and vehicle having same |
| CN108237905A (en) * | 2016-12-27 | 2018-07-03 | 比亚迪股份有限公司 | Drive shaft locking system and power-driven system and vehicle |
| CN108237900A (en) * | 2016-12-27 | 2018-07-03 | 比亚迪股份有限公司 | Drive shaft locking system and power-driven system and vehicle |
| CN108237905B (en) * | 2016-12-27 | 2020-03-31 | 比亚迪股份有限公司 | Drive shaft locking device, power drive system and vehicle |
| CN108237900B (en) * | 2016-12-27 | 2020-05-22 | 比亚迪股份有限公司 | Drive shaft locking device, power drive system and vehicle |
| CN108944389A (en) * | 2018-05-08 | 2018-12-07 | 上海汽车集团股份有限公司 | The coaxial electric drive system of multi gear |
| CN108944389B (en) * | 2018-05-08 | 2020-10-30 | 上海汽车集团股份有限公司 | Multi-gear coaxial electric driving system |
| CN110682790A (en) * | 2018-07-04 | 2020-01-14 | 比亚迪股份有限公司 | Vehicle transmission device and vehicle |
| CN110682790B (en) * | 2018-07-04 | 2021-12-07 | 比亚迪股份有限公司 | Vehicle transmission device and vehicle |
| CN109795309A (en) * | 2019-03-22 | 2019-05-24 | 合肥工业大学 | A kind of double clutch coupled hybrid systems |
| CN110143125A (en) * | 2019-04-18 | 2019-08-20 | 浙江吉利控股集团有限公司 | A kind of hybrid power system and vehicle |
| CN111016881A (en) * | 2019-12-06 | 2020-04-17 | 义乌吉利自动变速器有限公司 | Hybrid power assembly gear control system and vehicle |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20100414 |