CN2695764Y - Mechanically-driven pump group integral oil spray closed lubrication system - Google Patents
Mechanically-driven pump group integral oil spray closed lubrication system Download PDFInfo
- Publication number
- CN2695764Y CN2695764Y CN 200420050949 CN200420050949U CN2695764Y CN 2695764 Y CN2695764 Y CN 2695764Y CN 200420050949 CN200420050949 CN 200420050949 CN 200420050949 U CN200420050949 U CN 200420050949U CN 2695764 Y CN2695764 Y CN 2695764Y
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- Prior art keywords
- oil
- mist
- pump
- lubrication system
- group
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- 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.)
- Expired - Lifetime
Links
- 238000005461 lubrication Methods 0.000 title claims abstract description 31
- 239000007921 spray Substances 0.000 title abstract description 15
- 239000003921 oil Substances 0.000 claims description 205
- 239000003595 mist Substances 0.000 claims description 122
- 239000000314 lubricant Substances 0.000 claims description 37
- 238000000605 extraction Methods 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 10
- 239000002828 fuel tank Substances 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 2
- 239000000295 fuel oil Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000001050 lubricating effect Effects 0.000 abstract description 14
- 238000012545 processing Methods 0.000 abstract description 3
- 230000005494 condensation Effects 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- 238000012958 reprocessing Methods 0.000 abstract 1
- 230000032258 transport Effects 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 239000012141 concentrate Substances 0.000 description 5
- 238000007670 refining Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001351 cycling effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to a mechanically-driven pump group integral oil spray closed lubrication system, which is a forcing lubrication system. The utility model is a combination which transports oil sprays from an oil spray generative apparatus to multi-bearing (lubricating point). The oil spray generative apparatus generates continuous quantitative oil sprays which are transported to each branch pipe line through transportation main pipe lines; each branch pipe line changes 'dry sprays' into 'wet sprays' by a condensation nozzle after allocating by an oil spray allocator, and 'wet sprays' are sprayed to bearings of the pump, which can reach the purpose of lubricating bearings. Surplus oil sprays in the pump cavity body enter an oil spray recovering device to proceed multiple special processing, and oil sprays agglomerate into lubrications to be collected; the utility model is provided with the apparatus which can collect surplus lubrications from bearings; surplus oil sprays and lubrications can be reduced and collected into a container by the apparatus and can be used for reprocessing.
Description
Technical field
The utility model relates to a kind of enforced lubricating system, is used for the lubricated of many each bearing of bearing apparatus of cluster control.Be specifically related to petrochemical industry pump group and concentrate the group of pump that proper lubrication is provided to concentrate mist of oil sealing lubrication system, belong to International Classification of Patents F16N7/34 " oil atomization device " technical field.
Background technique
The oil refining apparatus reliability of operation is the key of influence oil refining benefit in the petrochemical industry.The operational reliability of pump directly influences the operational reliability of oil refining apparatus.And the lubrication problem of pump is the key factor that influences pump rate of fault, reliability.What the middle-size and small-size pump of petrochemical industry use at present generally adopted is oil, grease lubrication optional, that disperse oil supply, like this, the deficiency of artificial factor and structure makes when having expended too many lubricant oil and/or machine oil, does not have enough lubricant oil and is used for lubricated purpose.Do not cause life of equipment high or break down.It mainly shows following several respects: the oil film that (1) produces is inhomogeneous, causes the wearing and tearing of pump bearing; (2) heat of Chan Shenging is difficult for taking away, and produces spot corrosion, the life-span of having reduced bearing; (3) wearing and tearing of pump bearing are caused at the secondary position of the easy engaging friction of introduced contaminants; (4) because entering bearing, the corrosive gas at petrochemical industry scene accelerated bearing failure; (5) bearing may produce the fault that some personal factors cause owing to adopt the hand oiling mode, has also increased the weight of labor intensity of operating personnel; (6) lubrication system can't be connected with DCS and can not accomplish monitoring in real time automatically.
The oil mist system that develops recent years can provide the lubricated of continuous and effective to the bearing of wheel commentaries on classics equipment (such as centrifugal pump, motor, gas-turbine, gear-box, blower and fan etc.).The typical oil mist system of one cover has an oil fog generator.In oil fog generator, pressurized air mixes mutually with fluid lubricant, forms trickle floating elaioleucite mixture in air stream.The diameter of these elaioleucites is generally all at 1 to 5 micron.By pipe-line system, mist of oil is transported on the bearing housing of wheel commentaries on classics equipment then.The continuous lubricating utensil bearing of mist of oil makes bearing housing keep a kind of slight positive pressure, the pollution that comes from the outside with minimizing.
After mist of oil produced, lubricant oil can form very trickle particle.Like this, mist of oil will keep a kind of stable form, can grow distance ground then and carry, and can not retain on the channel wall of carrying mist of oil as far as possible.These fine particles (promptly so-called " dry fog ") must convert bigger particle (promptly so-called " wet fog ") to, so that become wet on the lubricated equipment bearing surface of needs.Make mist of oil pass through a special device (promptly so-called " condensing mouth ") and promptly can realize this process.Condensing mouth has reduced the torrent degree of mist of oil, before mist of oil arrives the equipment axis bearing sleeve, makes small-particle become bigger particle.Which type of condensing mouth each point of application selects depend on needing the concrete bearing structure of each parts of lubricating utensil in the system.
Although nearest mist of oil system provides effective lubricating more, under many circumstances, this system is very not perfect.(1), general oil mist system all do not consider the application requirements of petrochemical industry, as high reliability, integrated explosion proof system require, with petrochemical equipment master control system communication contact etc.; (2), be subjected to the criticism of environmental pollution aspect.Some mist of oil particle, especially those the most tiny mist of oil particles do not become wet in the metal surface of wanting lubricating utensil, and these fine particle may enter in the atmosphere by bearing housing; (3) though in the oil mist system near the lubricating bearings residual residue lubricant oil reduced, but still have a certain amount of residue lubricant oil wherein remaining; Cause the waste of lubricant oil.No matter past is oil mist system or traditional old-fashioned lubrication system, and they all provide the oil container of accepting residue lubricant oil, and the lubricant oil of receiving can regularly reclaim (perhaps utilizing) again.But under many circumstances, residue lubricant oil is accepted with an open-air container.In a lot of outmoded systems, this residue lubricant oil even also directly enter in the drainage pipeline.
Summary of the invention
The purpose of this utility model is to provide a kind of bearing lubrication that is applicable to petrochemical equipment pump group, and concentrates the group of pump that provides lasting sealing to lubricate for these bearings and concentrate mist of oil sealing lubrication system.
The technical solution of the utility model is as follows.
A kind of group of pump is concentrated mist of oil sealing lubrication system, it comprises the oil supply system of being made up of fuel tank, oil pump, air supply system, effective mist of oil generating apparatus (can have multiple), a cover oil mist concentration detection device, one cover mist of oil delivery line, one cover electrical apparatus control system, at least one point distributes and main line oil extraction device, and at least one is used for the drier oil mist was converted to the condensing mouth of wet oil mist before being about to arrive lubricating bearings, remove mist resistant filter, a kind of container of collecting residue lubricant oil.This container can also comprise a pump, and the lubricant oil in the inlet of pump and the closed container joins, and its outlet is connected with a recovering device, oil can be discharged in case of necessity, extraction or cycling and reutilization.
Control system connects oil pump, mist of oil generating apparatus and oil mist concentration detection device respectively, and fuel tank is connected with oil pump, and the oil mist concentration detection device inserts in the main pipe rail; Main pipe rail can have a plurality of branch lines, and each branch line connects corresponding point respectively and distributes and main line oil extraction device, corresponding condensing mouth and corresponding pump, and pump connects corresponding oil mist recovering device.
The described mist resistant filter that removes can be built in the closed container of collecting residue lubricant oil, or independent design.
Describedly remove the ball that mist resistant filter comprises two-layer at least employing oil resistant material, and the ball diameter is 0.5～8 millimeter.
Described mist of oil delivery line comprises that at least a point distributes and main line oil extraction device and at least one condensing mouth, and condensing mouth front end connects fuel oil supply nozzle, rear end connection bearing.
Described some distribution and main line oil extraction device are provided with an import and link to each other with mist of oil, also are provided with one or more outlets, distribute to one or more condensing mouths by set outlet.
It is transparent tube that the oil level that is used to observe the mist of oil situation and condense situation in described some distribution and the main line oil extraction device is observed body.
Described oil mist recovering device is one only an outlet pipe and the extraneous closed container that communicates, and it is coupled to be provided with one or more bearing delivery pipelines.
Described control system, should be provided with at least one can with the port of master control system communication.
The utility model group of pump is concentrated mist of oil sealing lubrication system, can be pump bearing (bearing group) the persistency good lubrication is provided, and splendid detection, control, communication function are arranged.In addition, the application of the residue mist of oil processing method of this invention all is to become possibility under the environment of complete closed with the collection of lubricant oil and circulation.This has improved the influence of mist of oil to environment significantly.
The many useful feature that native system has is as follows: A, by reduce bearing malfunctioning, get rid of pollution beyond the bearing housing, eliminate undue or not enough lubricated result, pump reliability and performance are strengthened, thereby improve the operational reliability of oil refining apparatus.B, mist of oil are taken away the heat that friction produces turns round the pump bearing under colder state, will save a large amount of energy.C, because mist of oil has certain pressure, therefore can play good seal action, avoided extraneous impurity, moisture, corrosive gas etc. to invade friction pair.D, owing to adopted centralized lubrication, lubrication system can be controlled automatically, and can monitor it by DCS.E, this invention have satisfied the requirements at the higher level to environmental standard.Owing to eliminated the possibility of mist of oil row to atmosphere, the situation of the outer spray of mist of oil has not had yet.Do not have again lubricant oil or mist of oil directly to discharge, guaranteed the machine operation of safely cleaning more from equipment.The cost of the consumption of lubricant oil and processing waste oil has reduced, because lubricant oil and mist of oil constantly obtain collecting, filter and utilize.Because the daily oil-feed and the oil extraction of equipment no longer need open-air container, and the potential oily phenomenon of spattering has been reduced to minimum level.Fundamentally eliminate the hydrocarbon that is loaded on the effluent treatment facility, significantly reduced the pollution of environment.
The superior function of oil mist system is that also rational environmental investment cost, centralization and full automation system mean higher efficient.Native system is applicable to arduous and extremely high temperature, cold, humidity and the environment of dust is arranged.Because dangerous manually lubricated operation has been eliminated by this system, thereby safety coefficient is strengthened greatly.This system can be installed on the existing equipment easily, can be improved the not too economic comprehensive lubrication system of former installation, makes the cost of these systems more become reasonable.Generally speaking, the concentrating type sealing oil mist system in this invention provides higher greasy property, and can satisfy the requirement of user to environment and cost.
Description of drawings
Fig. 1 concentrates the annexation schematic representation of mist of oil sealing lubrication system for the utility model group of pump;
Fig. 2 is the structural representation of oil mist system;
Fig. 3 is the structural representation of oil mist recovering device in the oil mist system.
Among the figure: 1. control system 2. fuel tanks 3. gasoline pumps 4. mist of oil generating apparatus 5. oil mist concentration detection devices 6. transmit first pump JB1 in 8. distribution of main pipe rails 7. transmission branch pipelines and main line oil extraction device 9. condensing mouth 10. group of pump, 11. oil mist recovering device, 12. 13. fens parts 14. of interface are observed 18. oil extractions of body 15. connecting bodys 16. valve bodies 17. springs and emitted 19. interfaces, mist resistant filter 22. multilayer nets 23. Turbogrid plates 24. containers 25. fuel outlets are removed in 20. air outlets 21..JB1, JB2, JB3, JB4---lubricated pump.
Embodiment
It is a kind of enforced lubricating system that group of pump is concentrated mist of oil sealing lubrication system; A kind of combination of carrying mist of oil from the mist of oil generating apparatus to multiple bearing (lubricating point); The mist of oil that the mist of oil generating apparatus generates continuous and quantitative is delivered to each branch line through the transmission main pipe rail, and each branch line becomes " dry fog " on the bearing that " wet fog " be sprayed onto pump through condensing mouth after the mist of oil distributor distributes again, reaches the purpose of lubricating bearings.Unnecessary mist of oil in the pump cavity enters oil mist recovering device and carries out multiple special processing, and mist of oil condenses into lubricant oil and is collected; It contains the device of collecting unnecessary lubricant oil from bearing, unnecessary mist of oil and lubricant oil can be reduced, collects in the container by this device, can use for handling again.
The utility model comprises that specifically a cover oil supply system is (by fuel tank, oil pump is formed), one cover air supply system, a kind of effective mist of oil generating apparatus (this generating apparatus has multiple), one cover oil mist concentration detection device, one cover mist of oil delivery line, one cover electrical apparatus control system, at least one point distributes and main line oil extraction device, at least one condensing mouth (being used for the drier oil mist was converted to the wet oil mist before being about to arrive lubricating bearings), remove mist resistant filter, a kind of closed container of collecting residue lubricant oil.Container can also comprise a pump, and the lubricant oil in the inlet of pump and the closed container joins, and its outlet links to each other with a recovering device, oil can be discharged/extract out or cycling and reutilization in case of necessity.
As shown in Figure 1: oil supply system is made up of fuel tank 2, oil pump 3, and their supply with an amount of lubricant oil of mist of oil generating apparatus 4; Air supply system is supplied with the used pressurized air of mist of oil generating apparatus 4; Lubricant oil and air supply system compressed and supplied air mixing that mist of oil generating apparatus 4 is supplied with oil supply system generate mist of oil, and the mist of oil generation system can have multiple principle; Mist of oil generates the back and is detected by oil mist concentration detection device 5, and testing result is passed to control system 1 by transmission line, as unusual control system 1 occurs and notify master control system with communication port; Mist of oil after testing passes to some a distribution and a main line oil extraction device 8 by transfer conduit; Point distributes and oil extraction device 8 in main line is dispensed to condensing mouth 9 with mist of oil, simultaneously the oil under condensing in the main line is delivered to container by oil exit pipe; Condensing mouth 9 is transformed into wet fog with the drier oil mist, lubricating bearings; The residue mist of oil is sent to except that mist resistant filter 21 by pipeline A, and remaining lubricant oil is sent to container by pipeline B; Remove mist resistant filter 21 and will remain lubricant oil and air separation in the mist of oil, lubricant oil is admitted in the container, and air is discharged from.
As shown in Figure 2: point distributes and main line oil extraction device 8 is made up of minute part 13, valve body 16 and observation body 14 etc., and connecting rod 15 is used for connecting and divides part 13, valve body 16 and observe body 14.Observing body 14 is transparent tube, can observe the situation of mist of oil in the mist of oil distributor and the lubricant level of condensing.Dividing on the part 13 has two or more interfaces 12, and mist of oil is linked to each other with condensing mouth 9.On the valve body 16 discharge equipment is arranged, when observing oil to oil level by observation body 14, need push oil extraction and emit 18, unnecessary lubricant oil is discharged.Have spring 17 to be used for oil extraction in the discharge equipment and emit and reset, outlet 19 is closed under the normal condition.
Mist of oil in a distribution and main line oil extraction device 8, is distributed to one or more condensing mouths 9 by interface 12 by transmission main pipe rail 6 then.When the mist of oil particle in the process of transmission when condensing, mist of oil becomes oil droplet and accumulates in the transparent tube 14, its oil level will can be seen and draw by looking pipe.If lubricant oil reaches certain position, to open oil extraction and emit 18, lubricant oil and mist of oil will be discharged by outlet 19.Lubricant oil and the mist of oil assembled will be discharged in the container.
As shown in Figure 3: oil mist recovering device 11 is provided with one or more imports.Recovering device is formed by removing mist resistant filter 21 and container 24, and the below of removing mist resistant filter 21 is provided with multilayer net 22, is provided with Turbogrid plates 23 below.Unnecessary lubricant oil or mist of oil flow to recovering device by these imports, and recovering device keeps air in the mist of oil and lubricating oil separation with lubricant oil, air is discharged.Recovering device guarantees that unnecessary mist of oil condenses into oil droplet.
Claims (8)
1, a kind of group of pump is concentrated mist of oil sealing lubrication system, it is characterized in that: it comprises a cover oil supply system, this oil supply system comprises fuel tank (2) and oil pump (3), and cover air supply system, a mist of oil generating apparatus (4), a cover oil mist concentration detection device (5), a cover mist of oil delivery line (6,7), a cover electrical apparatus control system (1), at least one point distributes and main line oil extraction device (8), at least one condensing mouth (9), remove mist resistant filter (21), a kind of oil mist recovering device (11) of collecting residue lubricant oil; Control system (1) connects oil pump (3), mist of oil generating apparatus (4) and oil mist concentration detection device (5) respectively, and fuel tank (2) is connected with oil pump (3), and oil mist concentration detection device (5) inserts in the main pipe rail (6); Main pipe rail (6) can have a plurality of branch lines (7), and each branch line (7) connects corresponding point respectively and distributes and main line oil extraction device (8), corresponding condensing mouth (9) and corresponding pump (10), and pump (10) connects corresponding oil mist recovering device (11).
2, group of pump according to claim 1 is concentrated mist of oil sealing lubrication system, it is characterized in that: the described mist resistant filter (21) that removes can be built in the closed container (24) of collecting residue lubricant oil, or independent design.
3, group of pump according to claim 1 is concentrated mist of oil sealing lubrication system, it is characterized in that: describedly remove the ball that mist resistant filter (21) comprises two-layer at least employing oil resistant material, and the ball diameter is 0.5～8 millimeter.
4, group of pump according to claim 1 is concentrated mist of oil sealing lubrication system, it is characterized in that: described mist of oil delivery line comprises that at least a point distributes and main line oil extraction device, with at least one condensing mouth, condensing mouth front end connects fuel oil supply nozzle, rear end connection bearing.
5, group of pump according to claim 1 is concentrated mist of oil sealing lubrication system, it is characterized in that: described some distribution and main line oil extraction device are provided with an import and link to each other with mist of oil, also be provided with one or more outlets, distribute to one or more condensing mouths by set outlet.
6, group of pump according to claim 1 is concentrated mist of oil sealing lubrication system, it is characterized in that: the oil level that is used to observe the mist of oil situation and condense situation in described some distribution and the main line oil extraction device is observed body (14) and is transparent tube.
7, group of pump according to claim 1 and 2 is concentrated mist of oil sealing lubrication system, it is characterized in that: described oil mist recovering device (11) is one only an outlet pipe and the extraneous closed container that communicates, and it is coupled to be provided with one or more bearing delivery pipelines.
8, group of pump according to claim 1 is concentrated mist of oil sealing lubrication system, it is characterized in that: described control system, should be provided with at least one can with the port of master control system communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420050949 CN2695764Y (en) | 2004-05-14 | 2004-05-14 | Mechanically-driven pump group integral oil spray closed lubrication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420050949 CN2695764Y (en) | 2004-05-14 | 2004-05-14 | Mechanically-driven pump group integral oil spray closed lubrication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2695764Y true CN2695764Y (en) | 2005-04-27 |
Family
ID=34777044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420050949 Expired - Lifetime CN2695764Y (en) | 2004-05-14 | 2004-05-14 | Mechanically-driven pump group integral oil spray closed lubrication system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2695764Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313126A (en) * | 2011-10-17 | 2012-01-11 | 赵大平 | Integrated lubricating grease recovery system |
| CN102322563A (en) * | 2011-10-17 | 2012-01-18 | 赵大平 | Grease centralized lubrication and recovery system |
| CN107120513A (en) * | 2017-06-28 | 2017-09-01 | 何奕为 | Mist of oil reclaims adjuster |
| CN107131418A (en) * | 2017-06-28 | 2017-09-05 | 何奕为 | Fog lubrication and recovery all-in-one |
| CN114263833A (en) * | 2021-12-01 | 2022-04-01 | 北京智束科技有限公司 | Liquid metal lubrication bearing filling device and method |
-
2004
- 2004-05-14 CN CN 200420050949 patent/CN2695764Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313126A (en) * | 2011-10-17 | 2012-01-11 | 赵大平 | Integrated lubricating grease recovery system |
| CN102322563A (en) * | 2011-10-17 | 2012-01-18 | 赵大平 | Grease centralized lubrication and recovery system |
| CN102313126B (en) * | 2011-10-17 | 2013-04-10 | 赵大平 | Integrated lubricating grease recovery system |
| CN102322563B (en) * | 2011-10-17 | 2013-06-12 | 赵大平 | Grease centralized lubrication and recovery system |
| CN107120513A (en) * | 2017-06-28 | 2017-09-01 | 何奕为 | Mist of oil reclaims adjuster |
| CN107131418A (en) * | 2017-06-28 | 2017-09-05 | 何奕为 | Fog lubrication and recovery all-in-one |
| CN114263833A (en) * | 2021-12-01 | 2022-04-01 | 北京智束科技有限公司 | Liquid metal lubrication bearing filling device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING LANGRUNDE SCIENCE AND TECHNOLOGY CO.,LTD. Free format text: FORMER OWNER: PAN ZHILING Effective date: 20061215 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20061215 Address after: 100071 Beijing city Fengtai District West Fourth Ring Road No. 76 room 16 room C03 Patentee after: Beijing Langrunde Science and Technology Co., Ltd. Address before: 100841 No. 46, building 13, East 19, middle third ring road, Beijing Patentee before: Pan Zhiling |
|
| C32 | Full or partial invalidation of patent right | ||
| IP01 | Partial invalidation of patent right |
Decision date of declaring invalidation: 20080526 Decision number of declaring invalidation: 11609 |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140514 Granted publication date: 20050427 |