CN101638980A - Full-balance hydraulic transmission oil sucking machine - Google Patents
Full-balance hydraulic transmission oil sucking machine Download PDFInfo
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- CN101638980A CN101638980A CN200810145306A CN200810145306A CN101638980A CN 101638980 A CN101638980 A CN 101638980A CN 200810145306 A CN200810145306 A CN 200810145306A CN 200810145306 A CN200810145306 A CN 200810145306A CN 101638980 A CN101638980 A CN 101638980A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 16
- 239000003921 oil Substances 0.000 claims description 66
- 239000002828 fuel tank Substances 0.000 claims description 7
- 239000010720 hydraulic oil Substances 0.000 claims description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 2
- 230000007306 turnover Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 230000033001 locomotion Effects 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 238000009432 framing Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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Abstract
The invention relates to a full-balance hydraulic transmission oil sucking machine. The machine comprises a two-way hydraulic device, wherein the hydraulic device comprises an oil cylinder, an oil pump, a hydraulic pipeline and an automatic reverse device, the oil pump is connected with the oil cylinder by the hydraulic pipeline, and the automatic reverse device is fixedly connected with a pistonrod; a moveable pulley block is fixedly installed on the piston rod, and a pulley block frame and a machine frame are fixedly installed on a base; a rope is connected with a balance box installed in the machine frame by the moveable pulley block and an intermediary fixed pulley in the pulley frame; and the balance box is hollow and can contain balancing weights, and the oil sucking rope is connected with an oil suction rod by an oil suction guide pulley on the machine frame. The invention adopts the hydraulic device as a source of power, which can do work in the process of movement of the oilsucking machine in an upper direction and a lower direction, the source of power is connected with load by the pulley block, the long stroke of the oil suction rod can be realized under the circumstance of short stroke of the hydraulic device, and as two-way working is realized, the oil sucking machine can achieve 1:1 full balance, thereby greatly reducing energy consumption.
Description
One, technical field
The present invention relates to the oil pumper of from deep-well recover petroleum or liquid, is a kind of full-balance hydraulic transmission oil sucking machine.
Two, background technology
Since the thirties, hydraulic technique develops and is applied to industrial every field rapidly.In recent years, hydraulic technique all had tangible ascendant trend in the application of pumping unit both at home and abroad.For example, on oil pumper, use hydraulic technique, realize long stroke, the low jig frequency of oil pumper easily, the complete machine weight and the floor space of oil pumper are all significantly reduced.
Notification number discloses a kind of hydraulic drive oil pumping machine for the CN2514171Y Chinese patent literature, it has realized the hydraulic jack reciprocating motion by hydraulic oil pump, 3-position 4-way solenoid operated directional valve, leading block, wire rope etc., drive leading block and carry out the lifting operation, tractive sucker rod back and forth operation oil pumping in pit shaft then.
Application number is that 2006100919651 patent application discloses a kind of machinery hydraulic drive oil pumping machine of control automatically, the applicant has done further improvement simultaneously on the basis of this patent, utilize mechanical commutation device to replace solenoid operated directional valve in the CN2514171Y Chinese patent, improved its operational reliability greatly.
But all there is following shortcoming in above-mentioned patent: the one, only utilized the up acting of hydraulic cylinder, and motor flogs a dead horse when descending; The 2nd, because hydraulic cylinder does not do work when descending, tandem-driving bogie just can't reach the full balance with sucker rod; The 3rd, obtain the long stroke of oil pumper by the length that increases hydraulic cylinder, make length of stroke be subjected to greatly limiting and bringing a lot of potential faults.
The present invention passes through to realize that the two-way work doing of hydraulic cylinder is to realize the full balance of tandem-driving bogie and sucker rod; Owing to realize the two-way work doing and the full bascule of hydraulic cylinder, under identical load power, as long as the motor of full-balance hydraulic transmission oil sucking machine configuration reaches a half-power of traditional oil pumper motor; Utilize the long stroke under the short hydraulic cylinder device of running block realization simultaneously.
Three, summary of the invention
Technical scheme of the present invention realizes by following measure: a kind of full-balance hydraulic transmission oil sucking machine, comprise hydraulic means, this hydraulic means comprises oil cylinder, piston and hydraulic pump, the rodless cavity of oil cylinder and rod chamber are connected with hydraulic pump by fluid pressure line, fixed installation organic frame and assembly pulley framework on machinery bed; Tandem-driving bogie is arranged in machine frame, and the machine frame top above tandem-driving bogie is equipped with leading block and oil pumping leading block, and an end of oil pumping rope is fixedly mounted on the tandem-driving bogie, and the other end is connected with sucker rod by the oil pumping leading block; On machinery bed, vertically installing oil cylinder, be equipped with in piston tip and be no less than one group running block, this running block comprises up movable pulley and descending movable pulley, one end of up rope is fixed on the tandem-driving bogie, bottom at machine frame is equipped with leading block, and its other end is connected with the assembly pulley framework behind the leading block of up rope by the machine frame bottom and the up movable pulley; One end of descending rope is fixed on the tandem-driving bogie, on the top of machine frame leading block is installed also, and its other end is connected with the assembly pulley framework behind the leading block of descending rope by machine frame top and the descending movable pulley.
In above-mentioned machine frame guide rail is installed, tandem-driving bogie moves up and down along guide rail; Tandem-driving bogie hollow can built-in balance weight.
Above-mentioned hydraulic means can comprise the hydraulic pump of variable, motor-driven reversal valve, pilot operated directional control valve, flow speed control valve, hydraulic control one-way valve, Three-way rotary valve, oil cylinder, on turn over oil cylinder, the discharge capacity of the hydraulic pump output of variable is passed through pilot operated directional control valve, hydraulic control one-way valve, Three-way rotary valve, entering oil cylinder rodless cavity promotion piston rod stretches out, the hydraulic control one-way valve on the rod chamber loop is opened in the effect of system pressure, hydraulic oil is through pilot operated directional control valve, Three-way rotary valve, radiator, strainer is to fuel tank, stir motor-driven reversal valve machine handle commutation with the control link stopper on the Fill argon clamping fixture that the piston rod end is connected, control oil channel promotes the pilot operated directional control valve commutation, pressure oil enters cylinder rod chamber, piston rod descends, hydraulic control one-way valve on the rodless cavity loop is opened, the hydraulic oil oil sump tank has just been finished a working cycles; On the cylinder rod chamber in-line, be provided with flow speed control valve; Oil return is passed through radiator, winter through rotating three way cock, return filter to fuel tank through pilot operated directional control valve, Three-way rotary valve, summer; Stable and the protection of hydraulic system pressure is to be carried out by accumulator, safety valve, pressure switch.
Above-mentioned running block has one group, and it comprises a up movable pulley and the assembly pulley that descending movable pulley is formed, and realizes that the oil pumper stroke reaches the twice of beam hanger stroke.
Above-mentioned running block has two groups, realizes that the oil pumper stroke reaches four times of beam hanger stroke.Compact conformation of the present invention, volume is little, in light weight, energy consumption is low, fault rate is low, security performance is good, working stability is reliable, improved balance quality, realize that sucker rod is according to the oil production technology needs, do upper and lower variable motion, improve the mechanical performance of equipment operation, improved the stability of system.
Four, description of drawings
Accompanying drawing 1 is a structural representation of the present invention.
Accompanying drawing 2 is hydraulic transmission principle figure of the present invention.
Accompanying drawing 3 is the i.e. wire rope transmission schematic diagram of four multiplication speed systems of the embodiment of the invention 1.
Accompanying drawing 4 is the wire rope transmission schematic diagram of twice speedup system for the embodiment of the invention 2.
Accompanying drawing 5 is ballast box schematic diagram of the present invention.
Coding in the accompanying drawing is respectively: 1 is leading block, and 2 is intermediary's fixed pulley, and 3 is the lanyard end points, 4 is oil cylinder, and 5 is machinery bed, and 6 is hydraulic pump, 7 is motor, and 8 is radiator, and 9 is strainer, 10 is fuel tank, and 11 is electric control box, and 12 is reversal valve, 13 are the commutation link stopper, and 14 is reversing gear bracket, and 15 is running block, 16 is up rope, and 17 is descending rope, and 18 is up movable pulley, 19 is descending movable pulley, and 20 are the oil pumping directive wheel, and 21 are the oil pumping rope, 22 is tandem-driving bogie, 23 is machine frame, and 24 is the assembly pulley framework, and 25 is sucker rod, 26 is the counterweight chamber, and 27 is the tandem-driving bogie housing; 28 is accumulator, and 29 is safety valve, and 30 are the oil-feed strainer, and 31 is Three-way rotary valve, and 32 is hydraulic control one-way valve, and 33 is flow speed control valve, and 34 is pilot operated directional control valve, and 35 is damper, and 36 is pressure meter, and 37 is pressure controller, and 38 is hydraulic hose,
Five, the specific embodiment
The present invention is not subjected to the restriction of following embodiment, can determine concrete embodiment according to technical scheme of the present invention and actual conditions.
Below in conjunction with embodiment and accompanying drawing the present invention is further described:
Shown in accompanying drawing 1 to 4, hydraulic means comprises the hydraulic pump 6 of variable, motor-driven reversal valve 35, pilot operated directional control valve 34, flow speed control valve 33, hydraulic control one-way valve 32, Three-way rotary valve 31, oil cylinder 4, the discharge capacity of hydraulic pump 6 outputs of variable is by pilot operated directional control valve 34, hydraulic control one-way valve 32, Three-way rotary valve 31, entering oil cylinder 4 rodless cavities promotion piston rod stretches out, the hydraulic control one-way valve on the rod chamber loop 32 is opened in the effect of system pressure, hydraulic oil is through pilot operated directional control valve 35, Three-way rotary valve 31, radiator 8, strainer 9 is to fuel tank 10, control link stopper 13 on the Fill argon clamping fixture 14 that is connected with the piston rod end is stirred motor-driven reversal valve 12 machine handles commutation, control oil channel promotes pilot operated directional control valve 34 commutations, pressure oil enters oil cylinder 4 rod chambers, piston rod descends, hydraulic control one-way valve on the rodless cavity loop 32 is opened, hydraulic oil oil sump tank 10 has just been finished a working cycles; On the cylinder rod chamber in-line, be provided with flow speed control valve 33; Oil return is arrived fuel tank 10 through pilot operated directional control valve 34, Three-way rotary valve 31, summer through radiator 8, process rotation in winter three way cock 31, return filter 9; Stable and the protection of hydraulic system pressure is to be carried out by accumulator 41, safety valve 40, pressure switch 37.
Above technical characterictic has constituted most preferred embodiment of the present invention, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
Claims (5)
1, a kind of full-balance hydraulic transmission oil sucking machine, by the hydraulic means that comprises motor, two-way outputting power, assembly pulley variable speed drive, counterweigh case and associated mechanical part are assembled into the Hydraulic Power Transmission System of two-way work doing, the stand arrangement that this system and base, support, machine frame and bindiny mechanism thereof constitute constitutes the agent structure of this machine, it is characterized in that: the vertical hydraulic jack that the piston-type variable flow direction is installed on machinery bed, be connected with hydraulic pump by fluid pressure line, formation can be exported the hydraulic power supply of both direction power up and down; Be equipped with in piston tip and be no less than one group running block, this assembly pulley comprises up movable pulley and descending movable pulley, the guiding fixed pulley is installed on base and machine frame, by rope, running block and guiding fixed pulley and the component of machine of fixedlying connected thereof assembly can two-way work doing variable speed drive; The counterweigh case that moves up and down only is installed in machine frame, and tandem-driving bogie hollow can be placed the balance weight of varying number as required, and the upper and lower of tandem-driving bogie all is connected with rope in the assembly pulley, forms the bascule identical with rod weight.
2, full-balance hydraulic transmission oil sucking machine according to claim 1, it is characterized in that hydraulic means comprises the hydraulic pump of variable, motor-driven reversal valve, pilot operated directional control valve, flow speed control valve, hydraulic control one-way valve, Three-way rotary valve, oil cylinder, on turn over oil cylinder, the discharge capacity of the hydraulic pump output of variable is passed through pilot operated directional control valve, hydraulic control one-way valve, Three-way rotary valve, entering oil cylinder rodless cavity promotion piston rod stretches out, the hydraulic control one-way valve on the rod chamber loop is opened in the effect of system pressure, hydraulic oil is through pilot operated directional control valve, Three-way rotary valve, radiator, strainer is to fuel tank, stir the reversal valve commutation with the control link stopper on the Fill argon clamping fixture that the piston rod end is connected, control oil channel promotes the pilot operated directional control valve commutation, pressure oil enters cylinder rod chamber, piston rod descends, hydraulic control one-way valve on the rodless cavity loop is opened, the hydraulic oil oil sump tank has just been finished a working cycles; On the cylinder rod chamber in-line, be provided with flow speed control valve; Oil return is passed through radiator, winter through rotating three way cock, return filter to fuel tank through pilot operated directional control valve, Three-way rotary valve, summer; Stable and the protection of hydraulic system pressure is to be carried out by accumulator, safety valve, pressure switch.
3, full-balance hydraulic transmission oil sucking machine according to claim 1 and 2, it is characterized in that the upper and lower intermediary's fixed pulley that respectively is equipped with of assembly pulley framework, in piston tip two groups running block is installed, every group of movable pulley all comprises up movable pulley and descending movable pulley; One end of up rope is fixed on the tandem-driving bogie, and its other end is connected with the assembly pulley framework behind the following intermediary fixed pulley of the leading block of up rope by the machine frame bottom, first up movable pulley, rope drive system framework and second the up movable pulley; One end of descending rope is fixed on the tandem-driving bogie, and its other end is connected with the assembly pulley framework behind the last intermediary fixed pulley of the leading block of descending rope by machine frame top, first descending movable pulley, assembly pulley framework and second the descending movable pulley.
4, full-balance hydraulic transmission oil sucking machine according to claim 3 is characterized in that running block has one group, and it comprises a up movable pulley and the assembly pulley that descending movable pulley is formed, and realizes that the oil pumper stroke reaches the twice of beam hanger stroke.
5, full-balance hydraulic transmission oil sucking machine according to claim 3 is characterized in that running block has two groups, realizes that the oil pumper stroke reaches four times of beam hanger stroke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810145306 CN101638980B (en) | 2008-07-30 | 2008-07-30 | Full-balance hydraulic transmission oil sucking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810145306 CN101638980B (en) | 2008-07-30 | 2008-07-30 | Full-balance hydraulic transmission oil sucking machine |
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| Publication Number | Publication Date |
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| CN101638980A true CN101638980A (en) | 2010-02-03 |
| CN101638980B CN101638980B (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200810145306 Expired - Fee Related CN101638980B (en) | 2008-07-30 | 2008-07-30 | Full-balance hydraulic transmission oil sucking machine |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949279A (en) * | 2010-09-29 | 2011-01-19 | 叶江波 | Counterweight balancing vertical hydraulic pumping unit |
| CN102182429A (en) * | 2011-04-02 | 2011-09-14 | 中国石油大学(华东) | Air balance hydraulic pumping unit for offshore platform |
| CN102937013A (en) * | 2012-10-30 | 2013-02-20 | 南通新中国际贸易有限公司 | Derrick type long-stroke hydraulic pumping unit |
| CN103291247A (en) * | 2012-02-27 | 2013-09-11 | 姜成华 | Vertical hydraulic pumping unit |
| CN103510920A (en) * | 2012-06-16 | 2014-01-15 | 姜汝诚 | Hydraulic energy-storage oil pumping unit |
| CN105635517A (en) * | 2016-01-07 | 2016-06-01 | 福州锐创工业设计有限公司 | Book/file scanning device |
| CN105649911A (en) * | 2016-03-09 | 2016-06-08 | 湖南景翔泵业有限公司 | Hydraulic pushing reciprocating single-cylinder pump |
| CN107061391A (en) * | 2017-05-08 | 2017-08-18 | 山西大学 | Automatic reverse is plowed machine hydraulic system |
| CN107150969A (en) * | 2017-06-01 | 2017-09-12 | 崔会斌 | The rope winding jib of lifting altitude can be increased on a kind of crane |
| CN110578499A (en) * | 2019-08-19 | 2019-12-17 | 青岛北海俊惠电子仪表有限公司 | Hydraulic suction machine |
| CN111411919A (en) * | 2020-03-17 | 2020-07-14 | 李文斌 | Forced lifting type automatic reversing hydraulic pumping unit and oil pumping system |
| CN111810089A (en) * | 2020-06-19 | 2020-10-23 | 合立智能装备有限责任公司 | Automatic stepless speed regulation vertical oil pumping machine and automatic stepless speed regulation control method of oil pumping machine |
| CN111810090A (en) * | 2020-06-19 | 2020-10-23 | 合立智能装备有限责任公司 | Vertical rope chain transmission oil pumping machine |
| CN112112607A (en) * | 2020-10-09 | 2020-12-22 | 中国石油天然气股份有限公司 | Vertical pulley block dynamic balance oil pumping unit |
| CN112177573A (en) * | 2019-12-31 | 2021-01-05 | 姜经志 | Intelligent hydraulic pumping unit |
| CN113107822A (en) * | 2021-05-17 | 2021-07-13 | 山东泰富智能科技有限公司 | Balanced type non-impact hydraulic pumping unit |
| CN113123766A (en) * | 2021-05-11 | 2021-07-16 | 姜经志 | Energy-saving and environment-friendly high-reliability pump control hydraulic system of hydraulic pumping unit |
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2008
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Patent Citations (4)
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Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949279A (en) * | 2010-09-29 | 2011-01-19 | 叶江波 | Counterweight balancing vertical hydraulic pumping unit |
| CN102182429A (en) * | 2011-04-02 | 2011-09-14 | 中国石油大学(华东) | Air balance hydraulic pumping unit for offshore platform |
| CN102182429B (en) * | 2011-04-02 | 2014-04-02 | 中国石油大学(华东) | Air balance hydraulic pumping unit for offshore platform |
| CN103291247B (en) * | 2012-02-27 | 2015-12-09 | 姜成华 | Vertical hydraulic oil pumper |
| CN103291247A (en) * | 2012-02-27 | 2013-09-11 | 姜成华 | Vertical hydraulic pumping unit |
| CN103510920A (en) * | 2012-06-16 | 2014-01-15 | 姜汝诚 | Hydraulic energy-storage oil pumping unit |
| WO2014067036A1 (en) * | 2012-10-30 | 2014-05-08 | 南通新中国际贸易有限公司 | Derrick-type long-stroke hydraulic pumping unit |
| CN102937013B (en) * | 2012-10-30 | 2015-07-29 | 上海联创实业有限公司 | Headframe type long stroke hydraulic pumping unit |
| CN102937013A (en) * | 2012-10-30 | 2013-02-20 | 南通新中国际贸易有限公司 | Derrick type long-stroke hydraulic pumping unit |
| US9903361B2 (en) | 2012-10-30 | 2018-02-27 | Shanghai Lianchuang Industrial Co., Ltd. | Derrick-type long-stroke hydraulic pumping unit |
| CN105635517B (en) * | 2016-01-07 | 2018-07-06 | 福州锐创工业设计有限公司 | Books apparatus for scanning archives |
| CN105635517A (en) * | 2016-01-07 | 2016-06-01 | 福州锐创工业设计有限公司 | Book/file scanning device |
| CN105649911A (en) * | 2016-03-09 | 2016-06-08 | 湖南景翔泵业有限公司 | Hydraulic pushing reciprocating single-cylinder pump |
| CN107061391A (en) * | 2017-05-08 | 2017-08-18 | 山西大学 | Automatic reverse is plowed machine hydraulic system |
| CN107150969A (en) * | 2017-06-01 | 2017-09-12 | 崔会斌 | The rope winding jib of lifting altitude can be increased on a kind of crane |
| CN110578499A (en) * | 2019-08-19 | 2019-12-17 | 青岛北海俊惠电子仪表有限公司 | Hydraulic suction machine |
| CN112177573A (en) * | 2019-12-31 | 2021-01-05 | 姜经志 | Intelligent hydraulic pumping unit |
| CN112177573B (en) * | 2019-12-31 | 2024-04-12 | 威海地源节能环保科技有限公司 | Intelligent hydraulic pumping unit |
| CN111411919A (en) * | 2020-03-17 | 2020-07-14 | 李文斌 | Forced lifting type automatic reversing hydraulic pumping unit and oil pumping system |
| CN111411919B (en) * | 2020-03-17 | 2023-09-22 | 李文斌 | Forced take-off and landing type automatic reversing hydraulic pumping unit and pumping system |
| CN111810089A (en) * | 2020-06-19 | 2020-10-23 | 合立智能装备有限责任公司 | Automatic stepless speed regulation vertical oil pumping machine and automatic stepless speed regulation control method of oil pumping machine |
| CN111810090A (en) * | 2020-06-19 | 2020-10-23 | 合立智能装备有限责任公司 | Vertical rope chain transmission oil pumping machine |
| CN111810090B (en) * | 2020-06-19 | 2022-08-30 | 合立智能装备有限责任公司 | Vertical rope chain transmission oil pumping unit |
| CN112112607A (en) * | 2020-10-09 | 2020-12-22 | 中国石油天然气股份有限公司 | Vertical pulley block dynamic balance oil pumping unit |
| CN113123766A (en) * | 2021-05-11 | 2021-07-16 | 姜经志 | Energy-saving and environment-friendly high-reliability pump control hydraulic system of hydraulic pumping unit |
| CN113107822A (en) * | 2021-05-17 | 2021-07-13 | 山东泰富智能科技有限公司 | Balanced type non-impact hydraulic pumping unit |
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Effective date of registration: 20171013 Address after: 830011 Room 1901, building B, Mustang tower, 158 Kunming Road, Xinshi District, Xinjiang, Urumqi Patentee after: Wang Xinyu Address before: 834000 No. 20, No. 18 communication village, the Xinjiang Uygur Autonomous Region, Karamay Co-patentee before: Wang Xinyu Patentee before: Xu Hongde |
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Effective date of registration: 20190411 Address after: 834000 No. 3400, Pingbei Second Road, Baijiantan District, Karamay City, Xinjiang Uygur Autonomous Region Patentee after: Joint Intelligent Equipment Co.,Ltd. Address before: Room 1901, Block B, Mustang Building, 158 Kunming Road, Urumqi, Xinjiang Patentee before: Wang Xinyu |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220630 Address after: 834000 No. 3400, Pingbei Second Road, Baijiantan District, Karamay City, Xinjiang Uygur Autonomous Region Patentee after: Joint Intelligent Equipment Co.,Ltd. Patentee after: XINJIANG JINNIU ENERGY INTERNET OF THINGS TECHNOLOGY CO.,LTD. Address before: 834000 No. 3400, Pingbei Second Road, Baijiantan District, Karamay City, Xinjiang Uygur Autonomous Region Patentee before: Joint Intelligent Equipment Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 |