CN101210547A - Disc type multi-cylinder slurry pump - Google Patents
Disc type multi-cylinder slurry pump Download PDFInfo
- Publication number
- CN101210547A CN101210547A CNA2006101706991A CN200610170699A CN101210547A CN 101210547 A CN101210547 A CN 101210547A CN A2006101706991 A CNA2006101706991 A CN A2006101706991A CN 200610170699 A CN200610170699 A CN 200610170699A CN 101210547 A CN101210547 A CN 101210547A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- valve
- type multi
- housed
- clutch release
- 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
Landscapes
- Details Of Reciprocating Pumps (AREA)
- Reciprocating Pumps (AREA)
Abstract
Disclosed is a disc-type multi-cylinder slime pump. A motor thereof is mounted on a motor bracket and connected with a central shaft via a transmission mechanism, and an eccentric disc is mounted on the central shaft; a plurality of working cylinders are mounted on a base equispacedly along the circumference in a radial direction, the end of a push rod of each working cylinder is directed towards the center and connected with rollers via a roller frame, and each of the rollers contacts the circumference surface of the eccentric disc; the inlet of each working cylinder is connected with a valve and a low-pressure pipeline respectively via a water inlet valve box, and the outlet of each working cylinder is connected with the valve and a high-pressure pipeline via a drainage valve box. The invention effectively improves the stability of pressure in operation and prolongs the service life; working cylinders can be maintained or changed without stopping the pump, thus drilling speed can be multiplied, one pump can achieve the function of two pumps, energy is saved, consumption is reduced, drilling cycle is shortened, and cost of drilling engineering is lowered. The invention is an up-to-date and ideal equipment for drilling engineering.
Description
Technical field
The present invention relates to a kind of disc type multi-cylinder slurry pump.Belong to oil drilling engineering construction equipment.
Background technique
Existing oil drilling is a lot of with the slurry pump kind, divides double cropping, single-acting with working state, counts branch two cylinders, three cylinders with clutch release slave cylinder.But basic structure all is toward complex form.Driving mode is the crank throw structure, and the deficiency of existence is:
1, less, the crest height of wave of cylinder number, the pump pressure poor stability must have air tank to go to regulate;
2, body weight is big;
3, processing, the assembling strict, assembling difficulty is big;
4, the easily damaged parts life-span short, repairs morely, repair difficulty, repairing must termination of pumping.
Summary of the invention
Purpose of the present invention just provides a kind of disc type multi-cylinder slurry pump, and to solve less, the crest height of wave of cylinder number that prior art exists, the pump pressure poor stability must have air tank to go to regulate; Body weight is big; Processing, the assembling strict, assembling difficulty is big; The easily damaged parts life-span is short, repairs morely, repairs difficulty, repair must termination of pumping problem.
Technological scheme of the present invention is: comprise motor, driving mechanism, central shaft, eccentric disc, set upright dish and a plurality of clutch release slave cylinder, motor is installed on the motor bracket, and is in transmission connection by driving mechanism and central shaft, and eccentric disc is loaded on the central shaft; A plurality of clutch release slave cylinders radially and being installed on the base of being uniformly distributed along the circumference, the piston push rod end of each this clutch release slave cylinder is rotationally connected towards the center and by turning rolls and roller, each this roller contacts with the side face of described eccentric disc, and turning rolls is installed on the slideway on the base; The two ends of described central shaft are respectively by setting upright the dish rotational support up and down on described base and described motor bracket; The import of described each clutch release slave cylinder is connected with low-pressure line with valve by a water supply valve case respectively, and the outlet of each clutch release slave cylinder is connected with a high pressure line with valve by a draining valve case respectively; The push rod roller of described driving mechanism, eccentric disc and each clutch release slave cylinder all places in the outer cover, and is provided with the system that each parts in this outer cover are lubricated.
The present invention has following advantage:
1, this pump is made up of 8 cylinders, becomes the horizontal radiation shape to distribute, and pump pressure is steady during work;
2, motivational drive becomes vertical, and processing and assembling is convenient, and single cylinder independently exists, and it is convenient to repair, and can carry out not termination of pumping and repair, and reduces downtime;
3, do not stop rotation in the valve body running of two clack boxes, the valve seat self-locking, it is convenient to repair, long service life;
4, the plunger of clutch release slave cylinder connects (nothing is threaded) by jump ring, the stuffing box gland good reliability, and sense of rotation reduces eccentric wear at any time, and the life-span is long, and it is convenient to change;
5, the sealing system of the plunger of clutch release slave cylinder or piston can integral replacing, repairs easy;
6, the valve seat of clack box is straight tube and the sealing of O shape is housed, and fixes by lock pin, changes conveniently, and sealing is reliable;
7, be added with the auxiliary cylinders test, clutch release slave cylinder is full of lubricant oil, and plunger, piston can use for a long time; The rotation that does not stop in the pistons work in the auxiliary cylinders, it is long to reduce eccentric wear and thorn groove, life-span;
8, water supply valve is provided with pressure monitor system, can grasp promptly and accurately on the draining situation, be convenient to accurately judge and repair.
Description of drawings
Fig. 1 is a general structure cross-sectional schematic of the present invention;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the sectional structure schematic representation of water supply valve case of the present invention and draining valve case;
Fig. 4 is the B-B sectional view of Fig. 3;
Fig. 5 is the sectional structure schematic representation of plunger type clutch release slave cylinder of the present invention;
Fig. 6 is the sectional structure schematic representation of piston type clutch release slave cylinder of the present invention;
Fig. 7 is the sectional structure schematic representation of auxiliary cylinders of the present invention.
Description of reference numerals: 1, motor; 2, motor bracket; 3, set upright wheel ball bearing; 4, high pressure line; 5, draining valve case; 6, safety valve; 7, water supply valve case; 8, clutch release slave cylinder; 9, outer cover; 10, base; 11, base upper plate; 12, turning rolls; 13, roller; 14, oil sump; 15, load-bearing ball; 16, set upright wheel ball bearing down; 17, central shaft; 18, eccentric disc; 19, drive gearwheel; 20, set upright dish on; 21, set upright dish down; 22, driving gear; 23, push rod; 24, auxiliary cylinders; 25, high pressure valve; 26, Low pressure valve; 27, enclosure wall; 28, low-pressure line; 29, plunger, piston balancing pole; 30, the pressure cap of clack box; 31, the valve body of clack box; 32, clack box shell; 33, the spring of clack box; 34, the wheel ball bearing of clack box; 35, the rubber seal of clack box; 36, the valve seat of clack box; 37, the valve lead angle of clack box; 38, the fixator pins of clack box; 39, the cylinder body of plunger case; 40, plunger; 41, the sealing of plunger case; 42, the sealing top cover of plunger case; 43, the cylinder body of piston cylinder; 44, the cylinder sleeve of piston cylinder; 45, piston; 46, the cylinder body of auxiliary cylinders; 47, the cylinder sleeve of auxiliary cylinders; 48, floating piston; 49, diagonal rib; 50, the pressure cap of clutch release slave cylinder and auxiliary cylinders; 51, lubricated oil cylinder; 52, pressure regulator valve.
Embodiment
Referring to Fig. 1 and Fig. 2, motor 1 of the present invention is installed on the motor bracket 2, and is in transmission connection by driving mechanism and central shaft 17, and eccentric disc 18 is loaded on the central shaft 17.A plurality of clutch release slave cylinders 8 radially and being installed on the base 10 of being uniformly distributed along the circumference, piston push rod 23 ends of each this clutch release slave cylinder 8 are rotationally connected towards the center and by turning rolls 12 and roller 13, each this roller 13 contacts with the side face of described eccentric disc 18, and turning rolls 12 is installed on the slideway of base upper plate 11.The two ends up and down of described central shaft 17 are respectively by setting upright dish 20 and 21 rotational support up and down between described base 10 and described motor bracket 2.The import of described each clutch release slave cylinder 8 is connected with low-pressure line 28 with Low pressure valve 26 by a water supply valve case 7 respectively, and the outlet of each clutch release slave cylinder 8 is connected with a high pressure line 4 with high pressure valve 25 by a draining valve case 5 respectively.On described high pressure line 4, safety valve 6 is housed.
It is uniform along central shaft that motor 1 can be matched two or four on demand.
Described driving mechanism is made up of driving gear 22 and driving gearwheel 19, the output shaft of each described motor 1 is parallel with described central shaft 17, one driving gear 22 respectively is housed on the output shaft of this motor 1, and driving gearwheel 19 is installed on the described central shaft 17 and with described driving gear 22 and is meshed.The push rod roller 13 and the turning rolls 12 of described driving gear 22 and driving gearwheel 19, eccentric disc 18 and each clutch release slave cylinder all place in the outer cover 9, and are provided with the system that each parts in this outer cover are lubricated.
In described base 10, oil sump 14 is housed, is provided with load-bearing ball 15 above the oil sump 14 and between the described eccentric disc 18 at this; Set upright wheel ball bearing 16 under described being equipped with between the center hole of this oil sump 14 and the described central shaft 17.
Pressure monitoring inductor (routine techniques, not shown) is housed on described water supply valve case 7, so that promptly and accurately find the abnormal conditions of slurry pump working condition at a distance, maintenance at any time.
Referring to Fig. 3 and Fig. 4, the structure of described water supply valve case 7 and draining valve case 5 is: valve seat 36 is installed in the bottom of clack box shell 32 by fixator pins 38, valve body 31 is loaded in the clack box shell 32, the radially triangle flange of this valve body 31 is corresponding with the inclined-plane of valve seat 36, valve lead angle 37 is being housed below this triangle flange and between the valve seat 36, at this seal ring 35 is housed above the triangle flange, wheel ball bearing 34 is housed above the sealing circle 35, in the upper end of described clack box shell 32 pressure cap 30 is housed, on described wheel ball bearing 34 and between the pressure cap 30, spring 33 is housed.
Referring to Fig. 5 and Fig. 6, described clutch release slave cylinder 8 is plunger case (as shown in Figure 5) or piston cylinder (as shown in Figure 6); Be rotationally connected by jump ring between described plunger or piston and the connecting rod.In use, (in the 20MPa) uses piston when adopting low pressure, and (in the 60MPa) uses plunger when adopting high pressure.
The primary seal of described plunger case (sealing 41 and sealing top cover 42 are referring to Fig. 5) is an assembly, and integral body is packed in the cylinder body 39; Left end at plunger 40 is connected with a coaxial balancing pole 29, and these balancing pole 29 sealings pass the center hole of the pressure cap 50 of cylinder body 39 left ends, to set upright balance plunger, reduce eccentric wear.
Described plunger 40 can adopt hollow-core construction.
Referring to Fig. 7, the present invention has set up auxiliary cylinders 24 in addition, and the floating piston 48 that does not have connecting rod is housed in the cylinder body 46 of this auxiliary cylinders 24, and a side of this floating piston 48 is provided with diagonal rib 49, is full of lubricant oil in this side, and is communicated with described clutch release slave cylinder 8; These auxiliary cylinders 24 the other ends are connected with clack box, and the opposite side of floating piston 48 contacts with mud.Because the effect of diagonal rib 49, this floating piston 48 can rotate under mud promotes, and auxiliary cylinders 24 is because piston is a free body does not stop rotation again and also can improve its working life.Simultaneously, can improve the sealing life of plunger or piston so greatly.Auxiliary cylinders 24 is as testpieces.
Knot assembly process of the present invention further specifies its structure and use below:
Oil sump 14 is placed on the base 10, puts central shaft 7, put eccentric wheel 18 again, put driving gearwheel 19.On set upright the dish 20, down set upright the dish 21, install on motor bracket 2.Cylinder body 8 connects as one with push rod 23 and turning rolls 12 and roller 13, is connected on the cylinder body, is placed on the slideway on the turning rolls 12.Motor bracket 2 is placed in fixation on the base 10 with outer cover 9, installs water valve case 7 and draining valve case 5 again.Water supply valve case 7 directly connects with low-pressure line 28, and draining valve case 5 connects with high-voltage tube 4.High pressure line 4 has a water outlet to lead to the standpipe water hose.The charge pump that low-pressure line 28 has the logical special use of a water intake to have certain low pressure.
In the operation process of the present invention, the stroke size of each clutch release slave cylinder 8 is by the throw of eccentric decision of eccentric disc 18.Single pump displacement size is by the jig frequency of per minute and the diameter and the decision of stroke size of plunger or piston.
Clutch release slave cylinder 8 is identical with conventional cylinder body, and the piston in oil, plunger life-span are very long.The other end joins with water supply valve case 7 and draining valve case 5, implements the purpose of suction, draining.Because the piston in the auxiliary cylinders 24 is can be reciprocal in the work, rotatable again structure so be difficult for eccentric wear, be not prone to groove and damage, and has prolonged working life.
The repairing of this slurry pump mainly occurs in the valve of two clack boxes 5 and 7, piston 45, plunger 40 and the sealing position of clutch release slave cylinder 8.Because each clutch release slave cylinder 8 is not with being fixedly coupled locking mechanism between the eccentric wheel 18, so as long as close the Low pressure valve 26 and the high pressure valve 25 of single cylinder, just can be in the condition place under repair of not termination of pumping.Like this,, also have 7 clutch release slave cylinders 8, suitably regulate jig frequency, realize the steady of pressure and discharge capacity, reach the function that a pump substitutes two pumps within the specific limits in work though stopped a clutch release slave cylinder.
On the high pressure line 4 of this slurry pump safety valve 6 is housed, can regulates as required.Lubrication system is joined by institute, mainly satisfies the lubricated work of plunger seal and roller.
The plunger of clutch release slave cylinder 8 or piston can make things convenient for arbitrarily and rotate with being to be connected by jump ring between the connecting rod, reduce eccentric wear.The primary seal of plunger is an assembly, once packs into during replacing, whole convenient to remove saving time.The sealing box can rotate outside clutch release slave cylinder, reduces eccentric wear, life-saving.The other end of plunger has a balance bar 29, reduce because the sagging eccentric wear phenomenon that produces of an end that plunger weight causes to play, simultaneously, it at any time rotary plunger make its uniform wear, be difficult for causing the groove damage.In addition, described plunger is a hollow-core construction, to alleviate the active force of sagging eccentric wear.
Be added with wheel ball bearing 34 on the valve body 31 of clack box, the valve body has rotation lead angle 37 (referring to Fig. 3 and Fig. 4) for 31 times, makes that valve is in service can certain rotation kinetic energy, prevent stuck, uniform wear, life-saving.Valve seat 36 is straight-tubes, leans on seal ring 35 to prevent that string from leaking mud, by 38 lockings of dedicated fixed pin, the phenomenon of valve seat 36 bobs can not take place, has overcome the middle problem of taking out difficulty of changing of repairing.The pressure cap 50 of clack box 5 and 7 pressure cap 30 and clutch release slave cylinder adopts taper sawtooth buttons, improves repairing speed.
The lubricated of the sealing 41 of described clutch release slave cylinder 8 is to be undertaken by pump work pressure, and a termination of special lubricated oil cylinder 51 is lubricated pipeline, Yi Bian be connected on the high pressure line 4, and pressure regulator valve 52 is housed.
Can be furnished with monitor unit to the working environment of slurry pump of the present invention, the thorn that remote reviewing is grasped pump leaks with unusual.
Claims (10)
1. disc type multi-cylinder slurry pump, it is characterized in that: comprise motor, driving mechanism, central shaft, eccentric disc, set upright dish and a plurality of clutch release slave cylinder, motor is installed on the motor bracket, and is in transmission connection by driving mechanism and central shaft, and eccentric disc is loaded on the central shaft; A plurality of clutch release slave cylinders radially and being installed on the base of being uniformly distributed along the circumference, the piston push rod end of each this clutch release slave cylinder is rotationally connected towards the center and by turning rolls and roller, each this roller contacts with the side face of described eccentric disc, and turning rolls is installed on the slideway on the base; The two ends of described central shaft are respectively by setting upright the dish rotational support up and down on described base and described motor bracket; The import of described each clutch release slave cylinder is connected with low-pressure line with valve by a water supply valve case respectively, and the outlet of each clutch release slave cylinder is connected with a high pressure line with valve by a draining valve case respectively; The push rod roller of described driving mechanism, eccentric disc and each clutch release slave cylinder all places in the outer cover, and is provided with the system that each parts in this outer cover are lubricated.
2. disc type multi-cylinder slurry pump according to claim 1, it is characterized in that: described driving mechanism comprises driving gear and drives gearwheel, the output shaft of each described motor and described central axes, one driving gear respectively is housed on the output shaft of this motor, and the driving gearwheel is installed on the described central shaft and with described driving gear and is meshed.
3. disc type multi-cylinder slurry pump according to claim 1 is characterized in that: in described base oil sump is housed, is provided with the load-bearing ball above the oil sump and between the described eccentric disc at this; Set upright wheel ball bearing under described being equipped with between the center hole of this oil sump and the described central shaft.
4. disc type multi-cylinder slurry pump according to claim 1, it is characterized in that: also comprise auxiliary cylinders, the floating piston that does not have connecting rod is housed in this auxiliary cylinders, a side of this floating piston is provided with diagonal rib, in this side, be full of lubricant oil, and be communicated with described clutch release slave cylinder; The opposite side of this floating piston is a mud.
5. disc type multi-cylinder slurry pump according to claim 1 is characterized in that: described clutch release slave cylinder is plunger or piston cylinder; Be rotationally connected by jump ring between described plunger or piston and the connecting rod.
6. disc type multi-cylinder slurry pump according to claim 5 is characterized in that: the primary seal of described plunger case is an assembly, and integral body is packed in the cylinder body; The other end at this plunger is connected with a coaxial balancing pole, and this balancing pole sealing passes the gland of the other end of cylinder body.
7. disc type multi-cylinder slurry pump according to claim 6 is characterized in that: described plunger is a hollow-core construction.
8. disc type multi-cylinder slurry pump according to claim 1 is characterized in that: on described water supply valve case the pressure monitoring inductor is housed, promptly and accurately finds the abnormal conditions of working conditions of pump at a distance, at any time maintenance.
9. disc type multi-cylinder slurry pump according to claim 1 is characterized in that: on described high pressure line safety valve is housed.
10. disc type multi-cylinder slurry pump according to claim 1, it is characterized in that: the structure of described water supply valve case and draining valve case is: valve seat 36 is installed in the bottom of clack box shell 32 by fixator pins 38, valve body 31 is loaded in the clack box shell 32, the radially triangle flange of this valve body 31 is corresponding with the inclined-plane of valve seat 36, valve lead angle 37 is being housed below this triangle flange and between the valve seat 36, at this offset plate 35 is housed above the triangle flange, wheel ball bearing 34 is housed above this offset plate 35, in the upper end of described clack box shell 32 pressure cap 30 is housed, on described wheel ball bearing 34 and between the pressure cap 30, spring 33 is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610170699A CN101210547B (en) | 2006-12-27 | 2006-12-27 | Disc type multi-cylinder slurry pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610170699A CN101210547B (en) | 2006-12-27 | 2006-12-27 | Disc type multi-cylinder slurry pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101210547A true CN101210547A (en) | 2008-07-02 |
| CN101210547B CN101210547B (en) | 2010-05-19 |
Family
ID=39610770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610170699A Expired - Fee Related CN101210547B (en) | 2006-12-27 | 2006-12-27 | Disc type multi-cylinder slurry pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101210547B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168662A (en) * | 2011-05-12 | 2011-08-31 | 中煤科工集团西安研究院 | Hydraulic direct-drive vertical multi-cylinder mud pump |
| CN115382893A (en) * | 2022-09-05 | 2022-11-25 | 南阳中联水泥有限公司 | Ecological high-efficient spraying prosthetic devices in mining area |
| CN115653880A (en) * | 2022-11-04 | 2023-01-31 | 烟台东德氢能技术有限公司 | Vertical hydrogen ion hydraulic compressor of eccentric wheel structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2417183A (en) * | 1944-08-11 | 1947-03-11 | James E Smith | Variable stroke radial cylinder type pump |
| US2662484A (en) * | 1949-12-19 | 1953-12-15 | Robert L Eller | Hydraulic pump or motor |
| US2674195A (en) * | 1950-01-20 | 1954-04-06 | Aluja Juan Martorell | Rotary pump |
| DE4213359A1 (en) * | 1992-04-23 | 1993-10-28 | Fft Flexible Fertigungstechnik | Piston dispenser for viscous reactive media - contains bore passing from piston through piston rod to outlet for dispensing material after certain reaction time. |
| CN2705626Y (en) * | 2004-03-12 | 2005-06-22 | 中国石化集团江汉石油管理局第四机械厂 | Five cylinder mud pump |
-
2006
- 2006-12-27 CN CN200610170699A patent/CN101210547B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168662A (en) * | 2011-05-12 | 2011-08-31 | 中煤科工集团西安研究院 | Hydraulic direct-drive vertical multi-cylinder mud pump |
| CN102168662B (en) * | 2011-05-12 | 2012-09-05 | 中煤科工集团西安研究院 | Hydraulic direct-drive vertical multi-cylinder mud pump |
| CN115382893A (en) * | 2022-09-05 | 2022-11-25 | 南阳中联水泥有限公司 | Ecological high-efficient spraying prosthetic devices in mining area |
| CN115653880A (en) * | 2022-11-04 | 2023-01-31 | 烟台东德氢能技术有限公司 | Vertical hydrogen ion hydraulic compressor of eccentric wheel structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101210547B (en) | 2010-05-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110801885B (en) | Multi-cylinder hydraulic cone crusher | |
| CN113464392B (en) | High-power five-cylinder drilling pump, drilling pump set, solid control system and drilling machine | |
| CN201818454U (en) | Five-cylinder single-acting slurry pump | |
| CN101210547B (en) | Disc type multi-cylinder slurry pump | |
| CN109751402B (en) | Vehicle-mounted coalbed methane drill power head reduction gearbox | |
| CN202811242U (en) | High-pressure reciprocation pump | |
| CN112555118B (en) | High-pressure high-flow hydraulic grouting pump operation system for ground | |
| CN206299532U (en) | A kind of new five cylinders slush pump | |
| CN203784244U (en) | Top driving device sealing structure | |
| CN206608728U (en) | A kind of vertical electric lubrication pump | |
| CN205956069U (en) | Novel end suction centrifugal pump | |
| RU92698U1 (en) | DRILLING PIPE THREE-PISTON SINGLE-SIDED ACTION TYPE 8T-650 | |
| CN201335010Y (en) | Viscose staple fibre metering pump | |
| CN101503992B (en) | Positive displacement type water pump by utilization of sea water surge energy | |
| CN102168662B (en) | Hydraulic direct-drive vertical multi-cylinder mud pump | |
| CN216950328U (en) | Novel petroleum relay pump | |
| CN105298787A (en) | Three-cylinder and single-action plunger pump | |
| CN209041555U (en) | A kind of permanent magnet direct-driven mechanical seal driving device | |
| CN102734622B (en) | Plunger pump | |
| CN212296206U (en) | Bear formula motor direct drive's top and drive | |
| CN108457605B (en) | Built-in passive full-automatic anti-eccentric wear oil pipe rotator | |
| CN207750190U (en) | Ventilated electric engine-driven air compressor | |
| CN102052274A (en) | Integrated valve assigning plunger pump | |
| CN213981300U (en) | Liftable formula intelligence water pump for engineering | |
| CN105822537B (en) | A kind of fatigue experimental device of membrane pump diaphragm of rubber |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20171227 |