CN103696826A - Oil-gas separator for supercharged engine - Google Patents
Oil-gas separator for supercharged engine Download PDFInfo
- Publication number
- CN103696826A CN103696826A CN201210368521.3A CN201210368521A CN103696826A CN 103696826 A CN103696826 A CN 103696826A CN 201210368521 A CN201210368521 A CN 201210368521A CN 103696826 A CN103696826 A CN 103696826A
- Authority
- CN
- China
- Prior art keywords
- oil
- gas
- gas separation
- outlet
- separation passage
- 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.)
- Granted
Links
- 239000003921 oil Substances 0.000 claims abstract description 69
- 238000000926 separation method Methods 0.000 claims abstract description 51
- 239000000203 mixture Substances 0.000 claims abstract description 15
- 239000007789 gas Substances 0.000 claims description 75
- 239000010721 machine oil Substances 0.000 claims description 21
- 238000007599 discharging Methods 0.000 claims description 6
- 230000003467 diminishing effect Effects 0.000 claims description 4
- 238000006664 bond formation reaction Methods 0.000 claims 1
- 238000005192 partition Methods 0.000 abstract 4
- 239000010705 motor oil Substances 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
Images
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention discloses an oil-gas separator for a supercharged engine. The oil-gas separator comprises an oily gas inlet, an oil-gas separation passage, an oil outlet and a first gas outlet, which are sequentially communicated, wherein the oil-gas separation passage is formed by adhering an upper cover plate and a lower cover plate; the oily gas inlet and the oil outlet are formed in the lower cover plate; the oil-gas separation passage is a U-shaped passage of which the cross sectional area is gradually reduced along the flowing direction of an oil-gas mixture, and is separated from the oily gas inlet through a partition plate with through holes; a filter element opposite to the through holes is arranged on the back surface of the partition plate; a first baffle plate close to the oily gas inlet is arranged in front of the partition plate; a second L-shaped baffle plate is arranged behind the partition plate, and oil return holes are formed in the second baffle plate, and engine oil flows to the oil outlet through the oil return holes; an oil return groove is formed in the bottom of the oil-gas separation passage behind the second baffle plate, and the engine oil flows to the oil outlet through the oil return groove. According to the oil-gas separator, oil and gas can be more completely separated, the separation efficiency is improved, the consumption of the engine oil is lowered, the emission performance is improved, and the mounting space is reduced.
Description
Technical field
the invention belongs to technical field of automobile engine, be specifically related to a kind of deaerator of supercharged engine.
Background technique
Motor car engine has inflammable mixture in operation process and waste gas enters crankcase, is dissolved in machine oil, makes oil dilution, degradation, and the pollutants such as the particle containing in waste gas mix with machine oil, make machine oil rotten, corrosion component; Simultaneously engine running produces heat, machine oil volatilization, and crankcase internal pressure increases, and machine oil can ooze out loss from crankcase oil seal etc., and machine oil loss can cause oil consumption excessive, and the steam that machine oil volatilization produces also can pollute atmosphere.Therefore, motor all adopts crankcase ventilation system to remove crankcase gas blowby, prevents that machine oil is rotten, gradually consumption of lubricating oil, reduction discharge etc. less.
At present, the deaerator in engine crankshaft ventilation system mainly contains following several:
The first, the labyrinth type oil-gas separator that adopts baffle plate to form; This deaerator, in order to make good separating effect, needs more baffle plate, takes up room large, is unfavorable for motor miniaturization and general arrangement; Meanwhile, baffle plate is more, and when high engine speeds turns round, crankcase pressure is high, easily makes oil return not smooth.
Second: filer element type deaerator; It is separated with gas by machine oil by the mode of filtering, and the separation effect of this deaerator is low, and when the fuel-air mixture of needs separation is more, Oil-gas Separation is not thorough, and effect is bad.
The the 3rd: cyclone type oil-gas separator; Its component that contain are more, and dismounting process is complicated, and maintenance difficult is poor for applicability.
Summary of the invention
The deaerator that the object of this invention is to provide a kind of supercharged engine, so that Oil-gas Separation is more thorough, improves its separation effect, reduces oil consumption, improves emission performance, dwindles installing space.
The deaerator of supercharged engine of the present invention, comprise the oil-containing gases entrance, Oil-gas Separation passage, oil outlet and the first air outlet that communicate successively, described Oil-gas Separation passage is by upper cover plate and lower cover plate is bonding forms, and described oil-containing gases entrance and oil outlet are located on lower cover plate, described Oil-gas Separation passage is the U-shaped passage that diminishes gradually along fuel-air mixture flow direction cross-section area (be conducive to machine oil condense backflow), Oil-gas Separation passage and oil-containing gases entrance are by the baffle for separating with through hole, this dividing plate back side be provided with through hole over against filter core, dividing plate the place ahead is provided with the first baffle plate near oil-containing gases entrance, dividing plate rear is provided with L shaped second baffle, the horizontal position of this second baffle is in filter core below and be positioned at oil outlet top, on it, offer the spill port that flows to oil outlet for machine oil, the Oil-gas Separation channel bottom that is positioned at second baffle rear is provided with the oil-return groove that flows to oil outlet for machine oil.Filter core and the first baffle plate, second baffle combine, and that fuel-air mixture is carried out to major part is separated, residue fraction fuel-air mixture is when the U-shaped passage diminishing gradually by cross-section area, machine oil condenses, and flow back to oil outlet from oil-return groove, can improve oil-gas separation efficiency, make separation more thorough simultaneously, reduce oil consumption, improve emission performance.
Further, in order to increase Oil-gas Separation path, at the bypass tube near being provided with convolution on the upper cover plate of the first air outlet, this bypass tube communicates with Oil-gas Separation passage, and the gas after separation can be discharged from the second air outlet of bypass tube.
Further, in order to make motor can both reach comparatively ideal oil gas separation under various operating modes, prevent oil gas suck-back simultaneously, at bypass tube and Oil-gas Separation passage joint, be provided with pressure controlled valve, near in the Oil-gas Separation passage of the first air outlet, be provided with the first one-way valve, near in the bypass tube of the second air outlet, be provided with the second one-way valve.
Further, in order to prevent that the machine oil flowing out from oil outlet from blowing back in deaerator, described oil outlet is connected with funnelform oil-discharging device.
When work, above-mentioned deaerator is arranged in valve mechanism cover by bolton and inclination, the latter half part of Oil-gas Separation passage is compared with front half part high (be conducive to machine oil and flow to oil-return groove), oil-containing gases entrance communicates with the oil-containing gases gas blowby mouth in valve mechanism cover, oil outlet communicates with the return opening in valve mechanism cover, the first air outlet is connected with the intake manifold of supercharged engine, and the second air outlet is connected with suction tude before pressurized machine.
The present invention adopts filter core to combine with the first baffle plate, second baffle, and adopt the U-shaped passage that cross-section area diminishes gradually to carry out Oil-gas Separation to fuel-air mixture, make Oil-gas Separation more thorough, improved separation effect, reduced oil consumption, improve emission performance, dwindled arrangement space, be conducive to motor miniaturization and general arrangement; Bypass tube has increased Oil-gas Separation path, has also improved emission performance; The use of pressure controlled valve and first, second one-way valve, makes motor under various operating modes, all reach comparatively ideal oil gas separation, and prevents oil gas suck-back; Deaerator is arranged in valve mechanism cover and uses, and dismounting is simple, easy to maintenance.
Accompanying drawing explanation
Fig. 1 is axonometric drawing of the present invention.
Fig. 2 is internal structure schematic diagram of the present invention.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 be in the present invention air-fuel mixture gas flow to schematic diagram (arrow represent gas stream to).
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
The deaerator of supercharged engine as shown in Figure 1, Figure 2, Figure 3 shows, comprises the oil-containing gases entrance 10, Oil-gas Separation passage 16, oil outlet 13 and the first air outlet 14 that communicate successively, and oil outlet 13 is connected with funnelform oil-discharging device 12.Wherein,
Oil-gas Separation passage 16 is by upper cover plate 2 and the bonding U-shaped passage diminishing gradually along fuel-air mixture flow direction cross-section area forming of lower cover plate 4, oil-containing gases entrance 10, oil outlet 13 and the first air outlet 14 are located on lower cover plate 4, Oil-gas Separation passage 16 is separated by the dividing plate 6 with a plurality of through holes 19 with oil-containing gases entrance 10, these dividing plate 6 back sides be provided with a plurality of through holes 19 over against filter core 7, dividing plate 6 the place aheads are provided with the first L shaped baffle plate 17 near oil-containing gases entrance 10, dividing plate 6 rears are provided with L shaped second baffle 18, dividing plate 6, the first baffle plate 17 and second baffle 18 are one-body molded, the vertical portion of the first baffle plate 17 is provided with a horizontal impingement plate 20, the horizontal position of second baffle 18 is in filter core 7 belows and be positioned at oil outlet 13 tops, the horizontal part of second baffle 18 offers a plurality of spill ports 11 that flow to oil outlet 13 for machine oil, part spill port is positioned under filter core 7, another part spill port is near second baffle 18 vertical portions, Oil-gas Separation passage 16 bottoms at second baffle 18 rears are provided with the oil-return groove 9 that flows to oil outlet 13 for machine oil.At the bypass tube 3 near being bonded with a convolution on the upper cover plate 2 of the first air outlet 14, this bypass tube 3 communicates with Oil-gas Separation passage 16, bypass tube 3 has the second air outlet 15, in bypass tube 3 and Oil-gas Separation passage 16 joints, be provided with pressure controlled valve 1, in near Oil-gas Separation passage 16 the first air outlet 14, be provided with the first one-way valve 5, near the bypass tube 3 the second air outlet 15, be provided with the second one-way valve 8.
When work, above-mentioned deaerator is arranged in valve mechanism cover by bolton and inclination, the latter half part of Oil-gas Separation passage 16 is high compared with front half part, oil-containing gases entrance 10 communicates with the oil-containing gases gas blowby mouth in valve mechanism cover, oil outlet 13 communicates with the return opening in valve mechanism cover, the first air outlet 14 is connected with the intake manifold of supercharged engine, and the second air outlet 15 is connected with suction tude before pressurized machine.
As shown in Figure 4, the present invention is when carrying out Oil-gas Separation:
First, the oil-containing gases gas blowby mouth of fuel-air mixture valve mechanism cover out enters by oil-containing gases entrance 10, end face, the first baffle plate 17 and impingement plate 20 collisions with upper cover plate 2, carry out first Oil-gas Separation, make above a part of machine oil is attached to, condense into large oil droplet, from oil-containing gases entrance 10, be back to motor.
Secondly, the fuel-air mixture after first Oil-gas Separation, through through hole 19, filters through filter core 7, carry out Oil-gas Separation for the second time, machine oil condenses into large particle oil droplet, then from the spill port 11 being positioned under filter core 7, flows into oil outlets 13, and is refluxed and entered motor by funnelform oil-discharging device 12.
Again, fuel-air mixture completely separated after Oil-gas Separation for the second time collides with the vertical portion of second baffle 18, form oil droplet, then from the spill port 11 near second baffle 18 vertical portions, flow into oil outlet 13, and reflux and enter motor by funnelform oil-discharging device 12.
Then, not by the vertical portion of second baffle 18 from fuel-air mixture, the U-shaped passage diminishing gradually by cross-section area, has oil droplet and condenses, and flows into oil outlets 13 by oil-return groove 9, and is refluxed and entered motor by funnelform oil-discharging device 12.
Finally, gas arrives pressure controlled valve 1, pressure controlled valve 1 is controlled the first one-way valve 5 or the second one-way valve 8 opening/closings according to the pressure of gas, when pressure is less than or equal to setting value, the first one-way valve 5 is opened, and the intake manifold that oil gas enters supercharged engine through the first air outlet 14, when pressure is greater than setting value, the second one-way valve 8 is opened, and gas enters the front suction tude of pressurized machine through the second air outlet 15 on bypass tube 3.
Claims (4)
1. the deaerator of a supercharged engine, comprise the oil-containing gases entrance (10) that communicates successively, Oil-gas Separation passage (16), oil outlet (13) and the first air outlet (14), described Oil-gas Separation passage (16) is by upper cover plate (2) and bonding formation of lower cover plate (4), and described oil-containing gases entrance (10) and oil outlet (13) are located on lower cover plate (4), it is characterized in that: the U-shaped passage of described Oil-gas Separation passage (16) for diminishing gradually along fuel-air mixture flow direction cross-section area, Oil-gas Separation passage and oil-containing gases entrance (10) are separated by the dividing plate (6) with through hole (19), this dividing plate back side be provided with through hole over against filter core (7), dividing plate the place ahead is provided with the first baffle plate (17) near oil-containing gases entrance (10), dividing plate rear is provided with L shaped second baffle (18), the horizontal position of this second baffle is in filter core below and be positioned at oil outlet top, on it, offer the spill port (11) that flows to oil outlet (13) for machine oil, Oil-gas Separation passage (16) bottom that is positioned at second baffle (18) rear is provided with the oil-return groove (9) that flows to oil outlet (13) for machine oil.
2. the deaerator of supercharged engine according to claim 1, it is characterized in that: at the bypass tube (3) near being provided with convolution on the upper cover plate (2) of the first air outlet (14), this bypass tube communicates with Oil-gas Separation passage, and the gas after separation can be discharged from second air outlet (15) of bypass tube.
3. the deaerator of supercharged engine according to claim 2, it is characterized in that: in bypass tube (3) and Oil-gas Separation passage (16) joint, be provided with pressure controlled valve (1), near in the Oil-gas Separation passage of the first air outlet (14), be provided with the first one-way valve (5), near in the bypass tube of the second air outlet (15), be provided with the second one-way valve (8).
4. according to the deaerator of the supercharged engine described in claim 1 or 2 or 3, it is characterized in that: described oil outlet (13) is connected with funnelform oil-discharging device (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210368521.3A CN103696826B (en) | 2012-09-28 | 2012-09-28 | A kind of deaerator of supercharged engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210368521.3A CN103696826B (en) | 2012-09-28 | 2012-09-28 | A kind of deaerator of supercharged engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103696826A true CN103696826A (en) | 2014-04-02 |
| CN103696826B CN103696826B (en) | 2015-10-07 |
Family
ID=50358469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210368521.3A Expired - Fee Related CN103696826B (en) | 2012-09-28 | 2012-09-28 | A kind of deaerator of supercharged engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103696826B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065087A (en) * | 2015-08-12 | 2015-11-18 | 安徽江淮汽车股份有限公司 | Integrated oil and gas separation structure |
| CN105065083A (en) * | 2015-08-12 | 2015-11-18 | 安徽江淮汽车股份有限公司 | Engine oil and gas separation structure |
| CN106593577A (en) * | 2016-12-27 | 2017-04-26 | 宁波神通模塑有限公司 | Oil-gas separator finish separation structure |
| CN107939479A (en) * | 2017-12-28 | 2018-04-20 | 美嘉帕拉斯特汽车零部件（上海）有限公司 | Gas and oil separating plant |
| CN108180086A (en) * | 2017-12-27 | 2018-06-19 | 美嘉帕拉斯特汽车零部件（上海）有限公司 | Camshaft the cover |
| CN108825329A (en) * | 2018-08-10 | 2018-11-16 | 安徽凤凰滤清器股份有限公司 | Crankcase oils gas separating device and engine system |
| CN109595054A (en) * | 2018-12-10 | 2019-04-09 | 宁波赛铂睿特汽车部件有限公司 | The multi-level gas and oil separating plant of automobile engine |
| CN112815076A (en) * | 2021-03-05 | 2021-05-18 | 重庆长安汽车股份有限公司 | Clutch oil discharge structure of hybrid electric vehicle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200989227Y (en) * | 2006-11-17 | 2007-12-12 | 哈尔滨哈飞汽车工业集团有限公司 | Valve cover oil-gas separator |
| KR20090064096A (en) * | 2007-12-14 | 2009-06-18 | 현대자동차주식회사 | Oil seperator set |
| JP2010203253A (en) * | 2009-02-27 | 2010-09-16 | Toyota Boshoku Corp | Oil mist separator |
| CN201635800U (en) * | 2010-01-29 | 2010-11-17 | 奇瑞汽车股份有限公司 | Oil and gas separating device of engine |
| DE102010042883A1 (en) * | 2009-10-28 | 2011-05-05 | Toyota Boshoku Kabushiki Kaisha, Kariya-shi | Oil mist separator for use at cylinder head cover of prime mover of vehicle, has housing comprising ports and passage, and gap formed between section of filter and upper wall of housing in proximity to proximal end of plate |
| KR101052771B1 (en) * | 2008-11-28 | 2011-08-01 | 쌍용자동차 주식회사 | Automobile cylinder head cover integrated ventilation device |
| CN202431328U (en) * | 2011-10-29 | 2012-09-12 | 长城汽车股份有限公司 | Oil-gas separation system with baffle boards |
-
2012
- 2012-09-28 CN CN201210368521.3A patent/CN103696826B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200989227Y (en) * | 2006-11-17 | 2007-12-12 | 哈尔滨哈飞汽车工业集团有限公司 | Valve cover oil-gas separator |
| KR20090064096A (en) * | 2007-12-14 | 2009-06-18 | 현대자동차주식회사 | Oil seperator set |
| KR101052771B1 (en) * | 2008-11-28 | 2011-08-01 | 쌍용자동차 주식회사 | Automobile cylinder head cover integrated ventilation device |
| JP2010203253A (en) * | 2009-02-27 | 2010-09-16 | Toyota Boshoku Corp | Oil mist separator |
| DE102010042883A1 (en) * | 2009-10-28 | 2011-05-05 | Toyota Boshoku Kabushiki Kaisha, Kariya-shi | Oil mist separator for use at cylinder head cover of prime mover of vehicle, has housing comprising ports and passage, and gap formed between section of filter and upper wall of housing in proximity to proximal end of plate |
| CN201635800U (en) * | 2010-01-29 | 2010-11-17 | 奇瑞汽车股份有限公司 | Oil and gas separating device of engine |
| CN202431328U (en) * | 2011-10-29 | 2012-09-12 | 长城汽车股份有限公司 | Oil-gas separation system with baffle boards |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065087A (en) * | 2015-08-12 | 2015-11-18 | 安徽江淮汽车股份有限公司 | Integrated oil and gas separation structure |
| CN105065083A (en) * | 2015-08-12 | 2015-11-18 | 安徽江淮汽车股份有限公司 | Engine oil and gas separation structure |
| CN105065087B (en) * | 2015-08-12 | 2017-07-04 | 安徽江淮汽车集团股份有限公司 | A kind of integrated form gas oil separation structure |
| CN105065083B (en) * | 2015-08-12 | 2017-11-03 | 安徽江淮汽车集团股份有限公司 | A kind of gas-oil separation structure of engine |
| CN106593577A (en) * | 2016-12-27 | 2017-04-26 | 宁波神通模塑有限公司 | Oil-gas separator finish separation structure |
| CN108180086A (en) * | 2017-12-27 | 2018-06-19 | 美嘉帕拉斯特汽车零部件（上海）有限公司 | Camshaft the cover |
| CN108180086B (en) * | 2017-12-27 | 2024-02-02 | 美嘉帕拉斯特汽车零部件（上海）有限公司 | Camshaft cover |
| CN107939479A (en) * | 2017-12-28 | 2018-04-20 | 美嘉帕拉斯特汽车零部件（上海）有限公司 | Gas and oil separating plant |
| CN107939479B (en) * | 2017-12-28 | 2024-02-02 | 美嘉帕拉斯特汽车零部件（上海）有限公司 | Oil-gas separation device |
| CN108825329A (en) * | 2018-08-10 | 2018-11-16 | 安徽凤凰滤清器股份有限公司 | Crankcase oils gas separating device and engine system |
| CN109595054A (en) * | 2018-12-10 | 2019-04-09 | 宁波赛铂睿特汽车部件有限公司 | The multi-level gas and oil separating plant of automobile engine |
| CN109595054B (en) * | 2018-12-10 | 2023-09-22 | 宁波赛铂睿特汽车部件有限公司 | Multi-level oil-gas separation device for automobile engine |
| CN112815076A (en) * | 2021-03-05 | 2021-05-18 | 重庆长安汽车股份有限公司 | Clutch oil discharge structure of hybrid electric vehicle |
| CN112815076B (en) * | 2021-03-05 | 2023-02-24 | 重庆长安汽车股份有限公司 | Clutch oil discharge structure of hybrid electric vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103696826B (en) | 2015-10-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103696826B (en) | A kind of deaerator of supercharged engine | |
| CN203394609U (en) | Crankcase ventilation device | |
| US20060254566A1 (en) | Oil separator | |
| CN101479446B (en) | Internal combustion engine | |
| US8408190B2 (en) | Air-oil separator for extracting oil from engine blowby gas | |
| KR101014532B1 (en) | Device for separating oil from blow-by gas | |
| CN201635800U (en) | Oil and gas separating device of engine | |
| CN101545390A (en) | Gas and oil separating plant | |
| CN201705426U (en) | Oil-gas prefilter of engine crankcase | |
| JP2009203977A (en) | Breather device for internal combustion engine | |
| CN109113833B (en) | Dual-cavity independent oil-gas separator | |
| CN201568110U (en) | Novel valve chamber housing labyrinth structure | |
| CN202645675U (en) | Engine filter core type crankcase ventilation maze structure | |
| JP2017180261A (en) | Surge tank integrated intake manifold | |
| CN202883050U (en) | Cylinder head cover with efficient oil-gas separation efficiency | |
| CN206681815U (en) | A kind of gas and oil separating plant for engine PCV system | |
| CN105201681A (en) | Cover | |
| CN201884095U (en) | Oil-gas separating system of automobile engine | |
| CN109469531B (en) | Crankcase ventilation system oil and gas separator assembly and vehicle | |
| JP4582003B2 (en) | Blowby gas recirculation structure of internal combustion engine | |
| CN102425475A (en) | Forced ventilation system of engine crankcase | |
| CN209308849U (en) | A kind of valve chamber cover | |
| CN201377345Y (en) | Oil-gas separating device of internal combustion engine | |
| CN201858013U (en) | Oil and gas separating structure of engine cylinder head cover | |
| CN101956590B (en) | Gas-oil separation structure of engine cylinder head cover |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 |