CN103574213A - Connecting pipe for preventing condensed water - Google Patents
Connecting pipe for preventing condensed water Download PDFInfo
- Publication number
- CN103574213A CN103574213A CN201310528988.4A CN201310528988A CN103574213A CN 103574213 A CN103574213 A CN 103574213A CN 201310528988 A CN201310528988 A CN 201310528988A CN 103574213 A CN103574213 A CN 103574213A
- Authority
- CN
- China
- Prior art keywords
- conduit pipe
- cavities conduit
- lumen catheter
- outer cavities
- pipe
- 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
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L39/00—Joints or fittings for double-walled or multi-channel pipes or pipe assemblies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L43/00—Bends; Siphons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16T—STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS
- F16T1/00—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a connecting pipe for preventing condensed water. The connecting pipe comprises an external-cavity guide pipe (5) and an internal-cavity guide pipe (3), wherein the external-cavity guide pipe (5) adopts a bent pipe, a connecting part is arranged at one end of the external-cavity guide pipe (5) and connected with oil-free space of a fuel tank, the bending part of the external-cavity guide pipe (5) is a concave arc after the connecting part is connected with the oil-free space of the fuel tank, and a water discharge outlet is formed in the bottom of the concave arc; and the other end of the external-cavity guide pipe (5) is a closed end, the internal-cavity guide pipe (3) is arranged in the closed end close to the external-cavity guide pipe (5), one end of the internal-cavity guide pipe (3) extends from the transitional turning position of the closed end and the bending part of the external-cavity guide pipe (5), and the extending end is connected with a pressure sensor. When gas enters the external-cavity guide pipe (5), condensed water produced by contacting of the gas and the pipe wall is concentrated to the bottom of the concave arc under the gravity action and is discharged, further, dried gas enters the pressure sensor from the internal-cavity guide pipe (3), so that the potential hazard of a mistaken warning sent by the pressure sensor is eliminated, a metal component is protected from being corroded, and the service life of the pressure sensor is prolonged.
Description
Technical field
The present invention relates to a kind of connecting tube of condensate water-proof, relate in particular to a kind of connecting tube that is connected to the condensate water-proof between pressure transducer and fuel tank.
Background technique
Aircraft fuel tank is the enclosed space that stores fuel oil, the most of space of fuel tank is used for storing fuel oil, fraction is filled by gas without oily space, usually adopts pressure sensor collection of gas pressure value without oily space, general pressure transducer is being communicated with without oily space as aluminum pipe and fuel tank by connecting tube, when aircraft flight is day and night the temperature difference is large, in the time of cold wet area, gas without oily space easily produces condensed water in connecting tube pipeline, condensed water can finally gather pressure transducer inside along pipeline, conduction and corrosive action due to condensed water, there is on the one hand the circuit of cut-in pressure sensor internal in advance, mistake is sent warning, thereby provide error message to pilot, affect safe hidden danger, on the other hand can corroding metal parts, affect pressure transducer working life.
Summary of the invention
For easily producing condensed water in the connecting tube pipeline of solution prior art, thereby exist pressure transducer to report and corroded the problem of the hidden danger that affects working life by mistake, the invention provides a kind of connecting tube of condensate water-proof.The connecting tube of a kind of condensate water-proof of the present invention, it is characterized in that, comprise outer cavities conduit pipe and lumen catheter, described outer cavities conduit pipe is bend pipe, one end of described outer cavities conduit pipe is provided with the connected element being tightly connected with fuel tank, the curved section of described outer cavities conduit pipe outside cavities conduit pipe and fuel tank is concave arc after being tightly connected, in described outer cavities conduit pipe concave arc arc bottom, be provided with drain opening, described drain opening is provided with switch, the other end of described outer cavities conduit pipe is closed end, in the closed end of the outer cavities conduit pipe near described, be provided with lumen catheter, described lumen catheter one end is near the closed port of outer cavities conduit pipe, the other end of described lumen catheter stretches out from the closed end of outer cavities conduit pipe and the transition turning point of curved section and is provided with the connected element being tightly connected with pressure transducer.
Described outer cavities conduit pipe is right-angle elbow pipe or U-bend.
The connected element that described outer cavities conduit pipe and fuel tank are tightly connected comprises and is enclosed within the supravasal flat ozzle one of exocoel, is enclosed within the cap nut one on flat ozzle one, and described exocoel catheter port is made enlarging type, forms enlarging one.
The described drain opening that is provided with switch comprise be connected to the supravasal connecting-tube nozzle of exocoel, cover the blocking cap of described connecting-tube nozzle mouth mouth and with described connecting-tube nozzle cap nut three that be spirally connected and that described blocking cap is pressed together on to described connecting-tube nozzle mouth mouth.
Described lumen catheter outer wall is provided with fixture block, and described fixture block contacts with the endoporus of described outer cavities conduit pipe.
Described fixture block is the projection contacting with 2 of exocoel catheter diameters, polygonal sheet or the hollow out circular ring plate that is connected in lumen catheter outer wall.
The connected element that described lumen catheter and pressure transducer are tightly connected comprises the flat ozzle two that is enclosed within lumen catheter, is enclosed within the cap nut two on flat ozzle two, and described lumen catheter port is made enlarging type, forms enlarging two.
The present invention has following good effect than prior art, after being connected without oily space of one end of the outer cavities conduit pipe of the connecting tube of a kind of condensate water-proof of the present invention and fuel tank, gas without oily space enters in outer cavities conduit pipe, gas contact with exocoel catheter wall the condensed water that produces outside in cavities conduit pipe due to gravitate, can gather the concave arc bottom of the curved section formation of outer cavities conduit pipe, it is drain opening place, enter gas near the port of the lumen catheter at the closed end place of outer cavities conduit pipe for having removed the dry gas of most of condensed water, dry gas finally enters pressure transducer, thereby realize and prevent that condensed water from entering into the effect of pressure transducer inside, when condensed water is assembled when more, open outlet switch, can discharge condensed water, eliminated so on the one hand the hidden danger that pressure transducer sends false alarm, condensed water corroding metal parts have been reduced on the other hand, improved the working life of pressure transducer.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further detailed explanation.
Fig. 1 is the structural representation of the connecting tube of a kind of condensate water-proof of the present invention.
Fig. 2 is the sectional view of the connecting tube of a kind of condensate water-proof of the present invention.
In figure: 1. baffle plate, 2. fixture block, 3. lumen catheter, 4. enlarging two, 5. outer cavities conduit pipe, 6. enlarging one, 7. cap nut one, 8. flat ozzle one, the 10. flat ozzle two of cap nut two, 11., 12. connecting-tube nozzles, 13. cap nuts three, 14. blocking caps.
Embodiment
Fig. 1 and Fig. 2 show the connecting tube of a kind of condensate water-proof of the present invention.The connecting tube of a kind of condensate water-proof of the present invention, it is characterized in that, comprise outer cavities conduit pipe 5 and lumen catheter 3, described outer cavities conduit pipe 5 is bend pipes, one end of described outer cavities conduit pipe 5 is provided with the connected element being tightly connected with fuel tank, the curved section of described outer cavities conduit pipe 5 outside cavities conduit pipe 5 is concave arc after being tightly connected with fuel tank, in described outer cavities conduit pipe 5 concave arc arc bottoms, be provided with drain opening, described drain opening is provided with switch, the other end of described outer cavities conduit pipe 5 is closed ends, in the closed end of the outer cavities conduit pipe 5 near described, be provided with lumen catheter 3, described lumen catheter 3 one end are near the closed end port of outer cavities conduit pipe 5, the other end of described lumen catheter 3 stretches out from the closed end of outer cavities conduit pipe 5 and the transition turning point of curved section and is provided with the connected element being connected with pressure transducer.
Described outer cavities conduit pipe 5 is bend pipes that right-angle elbow pipe or U-bend etc. have arcuate segment.
In embodiment shown in Fig. 1 and Fig. 2, the connected element that described outer cavities conduit pipe 5 and fuel tank are tightly connected comprises the flat ozzle 1 that is enclosed within on outer cavities conduit pipe 5, is enclosed within the cap nut 1 on flat ozzle 1, described outer cavities conduit pipe 5 ports are made enlarging type, form enlarging 1.The connected element that described outer cavities conduit pipe 5 and fuel tank are tightly connected is with fuel tank except this enlarging of employing, cap nut Connecting format, and other are connected the connection interface pattern that pattern adapts also can to adopt the connecting-tube nozzle that adopts with fuel tank, quick-release type connecting-tube nozzle etc.
The described drain opening that is provided with switch comprises the connecting-tube nozzle 12 that is connected on outer cavities conduit pipe 5, cover at the blocking cap 14 of described connecting-tube nozzle 12 mouth mouths and that be spirally connected and described blocking cap is pressed together on to the cap nut 3 13 of described connecting-tube nozzle 12 mouth mouths with described connecting-tube nozzle 12.The described drain opening that is provided with switch can also be known leading class and pipeline valve class device.
For lumen catheter 3 is installed firmly more, described lumen catheter 3 outer walls are provided with fixture block 2, and described fixture block 2 contacts with the endoporus of described outer cavities conduit pipe 5.
Described fixture block 2 be connected in lumen catheter 3 outer walls with 2 projections that contact of outer cavities conduit pipe 5 internal diameter, polygonal sheet or hollow out circular ring plate.Make like this gas can enter lumen catheter 3.
The connected element that described lumen catheter 3 and pressure transducer are tightly connected comprises the flat ozzle 2 11 that is enclosed within lumen catheter 3, is enclosed within the cap nut 2 10 on flat ozzle 2 11, and described lumen catheter 3 ports are made enlarging type, form enlarging 24.The connected element that described lumen catheter 3 is tightly connected with pressure transducer can also adopt the connecting-tube nozzle that adopts with pressure transducer, quick-release type connecting-tube nozzle etc., and other are connected the connection interface pattern that pattern adapts.
The connecting tube of a kind of condensate water-proof of the embodiment shown in Fig. 1 and Fig. 2 is assembled as follows manufacture, first outer cavities conduit pipe 5 is curved to " L " or " U " shape, on cavities conduit pipe 5 one end pipelines, load onto successively after the peaceful ozzle 8 of cap nut 1 outside, externally cavities conduit pipe 5 carries out enlarging again, is processed to form enlarging 1." L " of cavities conduit pipe 5 or the perforate of " U " shape lowest part outside, and weld upper connecting tube mouth 12, on connecting-tube nozzle 12, connect blocking cap 14 and cap nut 3 13, completed the installation of drain opening, the turning point perforate of cavities conduit pipe 5 the other ends and curved section transition outside, position welding fixture block 2 in lumen catheter 3 near one end, again the lumen catheter 3 of having welded fixture block 2 is put into from the other end of outer cavities conduit pipe 5, until the other end of lumen catheter 3 stretches out the perforate aperture, turning point of outer cavities conduit pipe 5, adjust lumen catheter 3 position in cavities conduit pipe 5 outside, guarantee that one end of lumen catheter 3 is near the port of outer cavities conduit pipe 5, the perforate aperture, turning point of stretching out outer cavities conduit pipe 5 in lumen catheter 3 is welded as a whole lumen catheter 3 and outer cavities conduit pipe 5, in the external part port tube of lumen catheter 3, load onto successively after the peaceful ozzle 2 11 of cap nut 2 10, machine lumen catheter 3 enlargings, form enlarging 24, completed the installation of the outlet end of lumen catheter 3, connecting pattern is herein enlarging, cap nut pattern, also can be the connecting-tube nozzle pattern of welding, the other end welding overhead gage 1 of last cavities conduit pipe 5 outside, form closed end.So just completed the assembling manufacturing of the connecting tube of condensate water-proof.
As Fig. 2, the entrance point A of the connecting tube of condensate water-proof connects fuel tank, outlet end D Bonding pressure sensor.The condensed water forming the pressed gas coming from fuel tank and pipeline is by import A, enter in connecting tube, sealing process due to baffle plate 1, in the whole outer cavities conduit pipe 5 of the complete filling of fuel tank pressure gas, and in this process due to Action of Gravity Field, condensed water can gather the concave arc shape extreme lower position E of outer cavities conduit pipe 5, and the closed end B place of outer cavities conduit pipe 5 is for having removed the dry gas of most of condensed water, and dry gas is finally delivered in pressure transducer by the import of lumen catheter 3.
Claims (10)
1. the connecting tube of a condensate water-proof, it is characterized in that: comprise outer cavities conduit pipe (5) and lumen catheter (3), described outer cavities conduit pipe (5) is bend pipe, one end of described outer cavities conduit pipe (5) is provided with the connected element being tightly connected with fuel tank, the curved section of described outer cavities conduit pipe (5) outside cavities conduit pipe (5) is concave arc after being tightly connected with fuel tank, in described outer cavities conduit pipe (5) concave arc arc bottom, be provided with drain opening, described drain opening is provided with switch, the other end of described outer cavities conduit pipe (5) is closed end, in the closed end of the outer cavities conduit pipe (5) near described, be provided with lumen catheter (3), described lumen catheter (3) one end is near the closed end port of outer cavities conduit pipe (5), the other end of described lumen catheter (3) stretches out from the closed end of outer cavities conduit pipe (5) and the transition turning point of curved section and is provided with the connected element being connected with pressure transducer.
2. the connecting tube of a kind of condensate water-proof according to claim 1, is characterized in that: described outer cavities conduit pipe (5) is right-angle elbow pipe or U-bend.
3. the connecting tube of a kind of condensate water-proof according to claim 1 and 2, it is characterized in that: the connected element that described outer cavities conduit pipe (5) and fuel tank are tightly connected comprises the flat ozzle one (8) that is enclosed within on outer cavities conduit pipe (5), is enclosed within the cap nut one (7) on flat ozzle one (8), described outer cavities conduit pipe (5) port is made enlarging type, forms enlarging one (6).
4. the connecting tube of a kind of condensate water-proof according to claim 3, is characterized in that: the described drain opening that is provided with switch comprises the connecting-tube nozzle (12) that is connected on outer cavities conduit pipe (5), cover the blocking cap (14) of described connecting-tube nozzle (12) mouth mouth and with described connecting-tube nozzle (12) cap nut three (13) that be spirally connected and that described blocking cap is pressed together on to described connecting-tube nozzle (12) mouth mouth.
5. the connecting tube of a kind of condensate water-proof according to claim 1 and 2, is characterized in that: described lumen catheter (3) outer wall is provided with fixture block (2), and described fixture block (2) contacts with the endoporus of described outer cavities conduit pipe (5).
6. the connecting tube of a kind of condensate water-proof according to claim 4, is characterized in that: described lumen catheter (3) outer wall is provided with fixture block (2), and described fixture block (2) contacts with the endoporus of described outer cavities conduit pipe (5).
7. the connecting tube of a kind of condensate water-proof according to claim 5, is characterized in that: described fixture block (2) be connected in lumen catheter (3) outer wall with 2 projections that contact of outer cavities conduit pipe (5) internal diameter, polygonal sheet or hollow out circular ring plate.
8. the connecting tube of a kind of condensate water-proof according to claim 6, is characterized in that: described fixture block (2) be connected in lumen catheter (3) outer wall with 2 projections that contact of outer cavities conduit pipe (5) internal diameter, polygonal sheet or hollow out circular ring plate.
9. the connecting tube of a kind of condensate water-proof according to claim 4, it is characterized in that: the connected element that described lumen catheter (3) and pressure transducer are tightly connected comprises the flat ozzle two (11) that is enclosed within lumen catheter (3), is enclosed within the cap nut two (10) on flat ozzle two (11), described lumen catheter (3) port is made enlarging type, forms enlarging two (4).
10. the connecting tube of a kind of condensate water-proof according to claim 8, it is characterized in that: the connected element that described lumen catheter (3) and pressure transducer are tightly connected comprises the flat ozzle two (11) that is enclosed within lumen catheter (3), is enclosed within the cap nut two (10) on flat ozzle two (11), described lumen catheter (3) port is made enlarging type, forms enlarging two (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310528988.4A CN103574213B (en) | 2013-11-01 | 2013-11-01 | A kind of connecting tube of condensate water-proof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310528988.4A CN103574213B (en) | 2013-11-01 | 2013-11-01 | A kind of connecting tube of condensate water-proof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103574213A true CN103574213A (en) | 2014-02-12 |
CN103574213B CN103574213B (en) | 2015-09-16 |
Family
ID=50046622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310528988.4A Expired - Fee Related CN103574213B (en) | 2013-11-01 | 2013-11-01 | A kind of connecting tube of condensate water-proof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103574213B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113184215A (en) * | 2021-03-31 | 2021-07-30 | 成都飞机工业(集团)有限责任公司 | Method for installing aircraft skin exhaust guide pipe |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8702107A (en) * | 1987-09-07 | 1989-04-03 | Ubbink Nederland Bv | chimney pipe with condensed liq. drainage - has closable discharge pipe with inverted U=shaped float in chamber into which branch pipe extends at 45 deg. to main pipe |
CN2849557Y (en) * | 2005-10-28 | 2006-12-20 | 乐金电子(天津)电器有限公司 | Evaporator pipe assembly structure for air conditioner indoor unit |
CN101191685A (en) * | 2006-11-21 | 2008-06-04 | 乐金电子(天津)电器有限公司 | Air-conditioning condensator outlet connecting pipe structure |
CN201924034U (en) * | 2010-12-30 | 2011-08-10 | 中信重工机械股份有限公司 | Double-connection drainage valve mechanism for mixer furnace |
CN202756841U (en) * | 2012-09-05 | 2013-02-27 | 中国石油化工集团公司 | Backpressure proof device for discharge port of steam safety valve |
CN202927356U (en) * | 2012-10-25 | 2013-05-08 | 江西稀有金属钨业控股集团有限公司 | Concentrating mill pulp conveying pipe exhausting device |
CN103104778A (en) * | 2012-12-30 | 2013-05-15 | 深圳市广前电力有限公司 | Air congestion prevention device for water treatment system |
-
2013
- 2013-11-01 CN CN201310528988.4A patent/CN103574213B/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8702107A (en) * | 1987-09-07 | 1989-04-03 | Ubbink Nederland Bv | chimney pipe with condensed liq. drainage - has closable discharge pipe with inverted U=shaped float in chamber into which branch pipe extends at 45 deg. to main pipe |
CN2849557Y (en) * | 2005-10-28 | 2006-12-20 | 乐金电子(天津)电器有限公司 | Evaporator pipe assembly structure for air conditioner indoor unit |
CN101191685A (en) * | 2006-11-21 | 2008-06-04 | 乐金电子(天津)电器有限公司 | Air-conditioning condensator outlet connecting pipe structure |
CN201924034U (en) * | 2010-12-30 | 2011-08-10 | 中信重工机械股份有限公司 | Double-connection drainage valve mechanism for mixer furnace |
CN202756841U (en) * | 2012-09-05 | 2013-02-27 | 中国石油化工集团公司 | Backpressure proof device for discharge port of steam safety valve |
CN202927356U (en) * | 2012-10-25 | 2013-05-08 | 江西稀有金属钨业控股集团有限公司 | Concentrating mill pulp conveying pipe exhausting device |
CN103104778A (en) * | 2012-12-30 | 2013-05-15 | 深圳市广前电力有限公司 | Air congestion prevention device for water treatment system |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113184215A (en) * | 2021-03-31 | 2021-07-30 | 成都飞机工业(集团)有限责任公司 | Method for installing aircraft skin exhaust guide pipe |
CN113184215B (en) * | 2021-03-31 | 2022-06-14 | 成都飞机工业(集团)有限责任公司 | Method for installing aircraft skin exhaust guide pipe |
Also Published As
Publication number | Publication date |
---|---|
CN103574213B (en) | 2015-09-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102679149B (en) | Gas cylinder integrated valve for automotive liquefied natural gas | |
CN104321628B (en) | A kind of device for detecting fluid leakage | |
CN201184715Y (en) | Gas and liquid separator for air conditioner | |
CN103574213B (en) | A kind of connecting tube of condensate water-proof | |
CN204006701U (en) | Condensate collector | |
CN203035306U (en) | Engine silencer | |
CN105737179A (en) | Boiler service life prolonging device | |
CN201137768Y (en) | Pipe joint | |
CN211601222U (en) | Gas-liquid separator | |
CN204240660U (en) | Oil level balancer and refrigeration unit with same | |
CN201458720U (en) | Alarming anti-spilling oil gun | |
CN208535567U (en) | LNG storage tank liquid phase pressure obtaning device | |
CN102846202A (en) | Instant heating type drinking machine | |
CN203272993U (en) | Steam exhausting pipeline of steam medium safety valve | |
CN205859396U (en) | Wall-hung boiler red copper bend pipe water circuit system | |
CN202672226U (en) | Hydrant body of fire hydrant | |
CN203809941U (en) | Anti-corrosion corrugated pipe compensator | |
CN202523511U (en) | Air exhaust plug | |
CN201145393Y (en) | Glass inner container of electrical water heater | |
CN217356055U (en) | Water seal assembly | |
CN202812791U (en) | Gas cylinder integrated valve for automotive liquefied natural gas | |
CN109084057A (en) | A kind of nut check valve | |
CN202747640U (en) | Quartz heating pipe grounding safety device | |
CN219630990U (en) | Portable water vapor filtering device | |
CN208154660U (en) | The switching device and its connecting tube of air processor, air processor |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for 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: 20150916 Termination date: 20191101 |
|
CF01 | Termination of patent right due to non-payment of annual fee |