CN205013264U - Compressor tolerance infinitely variable control system - Google Patents
Compressor tolerance infinitely variable control system Download PDFInfo
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- CN205013264U CN205013264U CN201520767894.7U CN201520767894U CN205013264U CN 205013264 U CN205013264 U CN 205013264U CN 201520767894 U CN201520767894 U CN 201520767894U CN 205013264 U CN205013264 U CN 205013264U
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- hydraulic actuator
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Abstract
The utility model relates to a compressor tolerance infinitely variable control system, specially adapted reciprocating compressor not only is suitable for new compressor assembly, and the compressor that is applicable to too having put into operation into operation disposes. Microprocessor passes through the business turn over oil circuit of guide's formula high speed switch valve control second grade machinery valve, makes second grade machinery valve reach the control voltol oil through the switching -over and gets into or outflow hydraulic piston working chamber, and hydraulic piston drive the ejector pin, and opening and the shut -in time of snifter valve is realized controlling by the snifter valve of ejector pin driving band off -load ware to realize from 0-100% within range tolerance infinitely variable control that the pressure control precision can reach 0.01MPa between the compressor stage moreover, maring through industry and can economizing on electricity more than 40%, energy -conserving effect is showing. But wide application in fields such as chemical plant, oil plant, gaseous warehousing and transportation factory and joint steam power plant.
Description
Technical field
The utility model relates to a kind of compressor tolerance stepless regulating system, is specially adapted to reciprocal compressor.This amount regulating system can realize step-less adjustment in 0 ~ 100% scope, and be not only suitable for new compressor assembling, the compressor be applicable to too having put into operation is configured.The fields such as chemical plant, oil refinery, gas storage and transportation factory and combined heat and power factory can be widely used in.
Background technique
In the technological processes such as oil refining, petrochemical industry, due to working conditions change and other factors, compressor tolerance needs to regulate at any time, is: the continuous adjustment that can realize flow, makes flow equal with air consumption at any time to the requirement regulated; Regulating system makes every effort to simple and reliable, easy to operate; The power consumpiton of specific discharge does not increase.The most conventional is return stream, and clearance regulates gentle valve regulation.Return the regulative mode waste energy of stream; Clearance regulative mode regulation range is little, can partly cause pressure and temperature to redistribute; When all can not avoid in these regulative modes starting shooting, rapid pressure causes the impact to unit and system, and inter-stage pressure ratio can not regulate, and energy consumption crosses the problems such as high.Pressing-off suction valve carries out tolerance and regulates in numerous method, and Yi Qi economizes energy consumption, simple structure and the advantage such as easy for installation and is widely used, and occurs as far back as the twenties in last century.Pressing-off suction valve tolerance regulates and mainly contains two kinds of modes: a kind of is total travel pressing-off suction valve, namely in compressor operation, makes a certain Aspirating valves keep standard-sized sheet; Another kind is partial journey pressing-off suction valve, and namely in Partial shrinkage process, Aspirating valves is held open state, and residual compression process Aspirating valves cuts out.But consult numerous data to find, the domestic application overwhelming majority regulated pressing-off suction valve air displacement is all confined to total travel and presses off technology so far, therefore can only realize being interrupted adjustment (as 0-50%-100%).
Successfully develop tolerance stepless regulating system abroad now, injecting-unit technology in this system reference large-sized diesel motor, and combine digital computer technique can control technique, hydraulic transmission relief arrangement is utilized to make compressor Aspirating valves in compression process keep the unlatching of certain hour, by the mode of late release suction valve, realize the step-less adjustment of air displacement, what its core component electro-hydraulic actuator adopted is the scheme that single-stage high-speed switch valve Direct driver performs cylinder, and control principle sketch as shown in Figure 1.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, develops compressor tolerance stepless regulating system, realizes compressor air-discharging amount from step-less adjustment in 0 ~ 100% scope, most final stage full admission pressure 16MPa; The highest intake temperature 120 DEG C; Unloader is maximum unloads load forces 8000N; Compressor rotary speed 120 ~ 1200r/min; Maximum governing series reaches 6 grades.
A kind of compressor tolerance stepless regulating system, mainly comprises: the Aspirating valves of electro-hydraulic actuator, compressor, hydraulic oil unit and control system, electro-hydraulic actuator is for driving opening and closedown of compressor suction valve, by the status data in Computer real-time processing compressor operating process in control system, and by signal feed back to the microprocessor of electro-hydraulic actuator, microprocessor sends instruction through computing to electro-hydraulic actuator, electro-hydraulic actuator controls the open and close time of Aspirating valves, realize compressor air-discharging amount to regulate, it is characterized in that the Aspirating valves of compressor is the Aspirating valves of band unloader, comprise unloader, valve seat, spring and valve block, Aspirating valves connects with push rod, the push rod the other end connects with high-pressure plunger, electro-hydraulic actuator is made up of upper valve body, lower valve body and electric panel room three part, and upper valve body is connected with lower valve body by bolt, mainly comprises high-speed switch valve, secondary valve, high-pressure plunger, pressure transducer, high-speed switch valve switches oil pressure for controlling, control the action of high-pressure plunger, and then the opening and closing of Aspirating valves are controlled by push rod: the inlet and outlet of fuel channel of Speed On-off Valve secondary valve, make secondary valve reach control high pressure oil by commutation enter or flow out high-pressure plunger active chamber, high-pressure plunger drives push rod, the Aspirating valves of top rod driving band unloader, realizes controlling Aspirating valves, lower valve body is connected with compressor suction valve pressure valve lid by bolt, lower valve body mainly comprises black box, temperature transducer, leakage hydraulic fluid port and process gas leakage hole, the black box of high-pressure plunger and push rod and lower valve body, be with the Aspirating valves center of unloader at same axis, when high-speed switch valve obtains electric, the push rod of unloader from the high-pressure plunger acceptable solution pressure of electro-hydraulic actuator, thus backs down the valve block of Aspirating valves, when high-speed switch valve dead electricity, the power be applied on unloader push rod disappears, and unloader resets by the spring be installed in unloader, and now the valve block of Aspirating valves is closed, electric panel room comprises microprocessor, pressure transducer, and microprocessor, for controlling the ON/OFF action of high-speed switch valve, is triggered by input control signal level, realizes communication and control.
Compressor tolerance stepless regulating system of the present utility model, mainly comprises electro-hydraulic actuator, the Aspirating valves being with unloader, hydraulic oil unit and control system four part.Electro-hydraulic actuator is installed on compressor air suction valve pressure valve and covers, and push rod is fixed on the Aspirating valves of band unloader.Push rod, from electro-hydraulic actuator acceptable solution pressure, backs down Aspirating valves; When the hydraulic coupling on push rod disappears, the Returnning spring be installed in unloader resets, and now Aspirating valves cuts out.
The effect of electro-hydraulic actuator is the late release being controlled unloader Aspirating valves by push rod, the pressure valve that it is installed vertically on the Aspirating valves of compressor band unloader covers, and the black box of the high-pressure plunger of upper valve body and push rod and lower valve body, unloader Aspirating valves center are at same axis.Lower valve body Main Function stops process gas to be leaked along push rod, stops hydraulic oil to leak in compressor casing along push rod simultaneously.Electric panel room preferably includes microprocessor, pressure transducer and Explosion-proof cap etc., and it is arranged on the side of bonnet by bolt.Microprocessor, for controlling the ON/OFF action of high-speed switch valve, is triggered by input control signal level, and it generally comprises power module, CPU module, sensor assembly, communication module and driver module, can realize each task of communication and control.
Hydraulic oil unit provides power source to electro-hydraulic actuator, and it mainly comprises the parts such as anti-explosion motor, plunger pump, fuel tank, oil dispenser, reduction valve, liquid-level switch, oil strainer, oil cooler and oil heater.Hydraulic fluid pressure, by being arranged on the constant pressure variable plunger pump in fuel tank, is brought up to setting value by anti-explosion motor, supplies electro-hydraulic actuator at different levels by oil dispenser, reduction valve; The hydraulic oil of discharging from electro-hydraulic actuator flows to fuel tank through oil cooler, oil strainer.
Control system comprises dead center sensor, PLC and supervisory control comuter etc.Dead center sensor mainly transmits cylinder piston at different levels present position in the cylinder, after its signal imports the microprocessor of electro-hydraulic actuator into, and the actual opening and closing time of the high-speed switch valve in Microprocessor S3C44B0X electro-hydraulic actuator.PLC control system mainly comprises controller, I/O module, supervisory control comuter, power supply, relay, guard grating and power supply etc., the signal transmitted according to the status data (exhaust pressure, air displacement etc.) in compressor operating, microprocessor and working control data (exhaust pressure, each stage load and air displacement etc.), carry out PI computing and program process by controller, calculate the Time Transmission of corresponding late release suction valve to the microprocessor of electro-hydraulic actuator.The function mainly working procedure software suite of supervisory control comuter, provides good human-computer interaction interface.
The purpose of this utility model is achieved in that control system processes the status data in compressor operating process in time, and by signal feed back to the microprocessor of electro-hydraulic actuator, controlled the open and close time of air valve by hydraulic transmission, realize compressor air-discharging amount 0 ~ 100% total travel scope step-less adjustment.Its principle: delayed breathing valve closing time, when piston starts revesal motion, portion gas, under the promotion of piston, is back to air inlet pipeline again.In cycle period, only compression needs the tolerance of compression, thus greatly saves energy consumption of compressor, reduces the overall cost of compressor operating phase.
The adjustment of the utility model amount regulating system adopts the principle of partial journey pressing-off suction valve, and its control principle sketch as shown in Figure 2.The utility model utilizes the hydraulic transmission relief arrangement of prior art to make compressor Aspirating valves in compression process keep the unlatching of certain hour equally, by the mode of late release suction valve, realize the step-less adjustment of air displacement, but institute's difference is the inlet and outlet of fuel channel of electro-hydraulic actuator by Speed On-off Valve secondary valve, make secondary valve reach control high pressure oil by commutation enter or flow out high-pressure plunger active chamber, high-pressure plunger drives push rod, push rod drives the Aspirating valves with unloader, realizes controlling Aspirating valves.The response time that its advantage is not only fast electro-hydraulic actuator can meet the requirement of compressor tolerance stepless regulating system, and solve electro-hydraulic actuator response time that high-speed switch valve causes not due to flow slow problem, amplify owing to adopting two-stage hydraulic pressure, the driving force of electro-hydraulic actuator obviously increases, and can be widely used in the working conditions of compressor that pressure is high, flow is large.
Compressor tolerance stepless regulating system of the present utility model is compared with external regulating system, electro-hydraulic actuator can control compressor suction valve under the prerequisite of precise time action, its load driving force significantly improves, and is more suitable for that compressor pressure is high, the occasion of large discharge.
The utility model is reasonable in design, advanced person is reliable, continuous security of operation; Compressor air-discharging amount can not only be made to realize 0 ~ 100% automatic stepless regulate, and between compressor stage, pressure controling precision can reach ± 0.01MPa; Demarcate through industry and can economize on electricity more than 40%, energy-saving effect is remarkable.
Accompanying drawing explanation
Fig. 1 is that in prior art, electro-hydraulic actuator adopts single-stage control principle drawing;
Fig. 2 is that electro-hydraulic actuator of the present utility model adopts serials control schematic diagram;
Fig. 3 is the electrodeless regulating system schematic diagram of application a kind of compressor tolerance of the present utility model;
In figure:
1------valve seat, 2-spring, 3-valve block, 4-unloader, the Aspirating valves of 5-band unloader,
6-hydraulic oil unit, 7-electro-hydraulic actuator.
Fig. 4 a is electro-hydraulic actuator sectional drawing of the present utility model;
Fig. 4 b is electro-hydraulic actuator outline drawing of the present utility model;
Fig. 4 c is electro-hydraulic actuator cross sectional view of the present utility model;
In figure:
8-upper valve body, 9-high-pressure plunger, 10-black box, 11-detect mouth, 12-push rod,
13-leak hydraulic fluid port, 14-microprocessor, 15-electric panel room, 16-pressure transducer,
17-temperature transducer, 18-lower valve body, 19-return opening, 20-secondary valve,
21-high-speed switch valve, 22-filler opening.
Fig. 5 is that first order control drawing of the present utility model controls second level exhaust pressure;
Fig. 6 is that the second level of the present utility model control drawing controls second level suction pressure;
Fig. 7 is that electro-hydraulic actuator of the present utility model regulates compressor flowrate flow chart.
Embodiment
Below in conjunction with accompanying drawing, compressor tolerance stepless regulating system of the present utility model is described.
As shown in Figure 3, apply a kind of compressor tolerance stepless regulating system of the present utility model, mainly comprise the compositions such as electro-hydraulic actuator, the Aspirating valves being with unloader, hydraulic oil unit, PLC control system, dead center sensor detection unit and supervisory control comuter.Hydraulic fluid pressure is increased to setting value (accurate setting value depends on the suction pressure of compressor afterbody) by the constant pressure variable displacement pump of hydraulic oil unit, is all provided with electro-hydraulic actuator at each suction valve of compressor.Now arbitrary process parameter (as: air displacement of compressor, exhaust pressure, suction pressure etc.) can controlled variable be chosen as, its numerical value passes to the controller in PLC through user DCS, the setting value that controller is relatively required, calculates time and the corresponding piston position now of Aspirating valves late release; Accept the dead center sensor signal that micro-process passes over, via controller infers the actual piston position in cylinder simultaneously.By the comparison to this two signal, via controller PI regulates the time calculating Aspirating valves late release, by RS485 communication, instruction is passed to the microprocessor of electro-hydraulic actuator in time, microprocessor-based control part will start high-speed switch valve to control supply and the pressure release of high pressure liquid force feed, to promote secondary valve, and then promote high-pressure plunger and suction valve push rod, thus realize controlling opening and closedown of Aspirating valves, make the keying of suction valve be in effective state of a control all the time, realize compressor air-discharging amount 0 ~ 100% total travel scope step-less adjustment.
As shown in Figure 4, the core component electro-hydraulic actuator of a kind of compressor tolerance stepless regulating system of the present utility model.The supply pressure oil pipeline of hydraulic oil unit is communicated with return opening with the uuper valve block filler opening of electro-hydraulic actuator respectively with return line.During without control signal, the electromagnet dead electricity of high-speed switch valve, spool is in normally off, filler opening cuts off by high-speed switch valve, and the oil circuit of control port and return opening is connected, the oil circuit of angle of rake active chamber and return opening is connected, at this moment, the pressure of control chamber is normal pressure, and the pressure of active chamber is also normal pressure.Push rod is in free state, and the Aspirating valves spring of compressor is by push rod jack-up, and Aspirating valves is in closed condition, and now, the compression chamber of this compressor is delivery exhaust.
When bent axle forwards suction location to, microprocessor provides signal, the electromagnet of high-speed switch valve obtains electric, armature controls spool and is cut off by the oil circuit of the control port of high-speed switch valve and return opening, the oil circuit of control port and filler opening (pressure oil port) is connected simultaneously, at this moment, the hydraulic oil that hydraulic oil unit system exports acts on secondary mechanical valve core right-hand member by high-speed switch valve, this secondary valve (two position three way directional control valve) compared with big orifice is promoted by its boosting function, the oil circuit of control port and active chamber is connected, cut off the oil circuit of active chamber and return opening simultaneously, the hydraulic oil that hydraulic oil unit system is exported acts on high-pressure plunger upper end, high-pressure plunger promotes push rod and moves down, the Aspirating valves of compressor is opened, compression chamber starts air-breathing, after bent axle turns over suction stroke, enter gas pressuring stroke, now Aspirating valves is in opening state, so compressor still exports without discharge capacity.
When compressor needs to export discharge capacity, controller output signal, the electromagnet dead electricity of high-speed switch valve, the spool of high-speed switch valve resets under spring force, the oil circuit of the control port of high-speed switch valve and filler opening (pressure oil port) is cut off, the oil circuit of control port and oil return is connected simultaneously, now the control chamber of secondary valve is normal pressure, then the spool of secondary selector valve resets under spring force, the oil circuit of angle of rake active chamber and filler opening (pressure oil port) is cut off, the oil circuit of active chamber and return opening is connected simultaneously, active chamber unloads, high-pressure plunger and push rod resilience under the effect of the Aspirating valves spring of compressor, the Aspirating valves of compressor cuts out, and at this moment, compressor has discharge capacity to export.
According to said process loop cycle, by controlling the Aspirating valves shut-in time, different output discharge capacities can be obtained.
Electro-hydraulic actuator comprises electric panel room, upper valve body and lower valve body.The cover of electric panel room is bolted on upper valve body, and microprocessor is bolted on cover.Upper valve body is provided with high-speed switch valve and secondary valve, in addition in-line, return line, pressure and temperature transducer is also installed; Upper valve body is connected together with lower valve body by bolt.Lower valve body mainly comprises lower valve body housing, black box, return line and processing medium and detects mouth.
As shown in Figure 5, for compressor two stage compression, as secondary exhaust pressure actual value and exhaust pressure setting value input PI controller, load is in auto state; Directly provide load setting point, load is in manual mode.One-level suction valve is provided by one-level PI controller according to the deviation of secondary exhaust pressure setting value and actual value retard time.
As shown in Figure 6, secondary inlet valve is provided by secondary PI controller according to the deviation of secondary inlet pressure setting value (by formulae discovery) and actual value retard time.
As shown in Figure 7, load transition is become to postpone Air Valve Control time feedbacking to the microprocessor of electro-hydraulic actuator by the PI controller in PLC control system, controls suction valve late release, and then control compressor air-discharging amount by hydraulic transmission.
Claims (7)
1. a compressor tolerance stepless regulating system, mainly comprises: the Aspirating valves of electro-hydraulic actuator, compressor, hydraulic oil unit and control system, electro-hydraulic actuator is for driving opening and closedown of compressor suction valve, by the status data in Computer real-time processing compressor operating process in control system, and by signal feed back to the microprocessor of electro-hydraulic actuator, microprocessor sends instruction through computing to electro-hydraulic actuator, electro-hydraulic actuator controls the open and close time of Aspirating valves, realize compressor air-discharging amount to regulate, it is characterized in that the Aspirating valves of compressor is the Aspirating valves of band unloader, comprise unloader, valve seat, spring and valve block, Aspirating valves with unloader connects with push rod, the push rod the other end connects with high-pressure plunger, electro-hydraulic actuator is made up of upper valve body, lower valve body and electric panel room three part, and upper valve body is connected with lower valve body by bolt, mainly comprises high-speed switch valve, secondary valve, high-pressure plunger, pressure transducer, high-speed switch valve switches oil pressure for controlling, control the action of high-pressure plunger, and then by the opening and closing of the Aspirating valves of push rod control cincture unloader: the inlet and outlet of fuel channel of Speed On-off Valve secondary valve, make secondary valve reach control high pressure oil by commutation enter or flow out high-pressure plunger active chamber, high-pressure plunger drives push rod, the Aspirating valves of top rod driving band unloader, realizes controlling Aspirating valves, lower valve body is connected with compressor suction valve pressure valve lid by bolt, mainly comprise black box, temperature transducer, leakage hydraulic fluid port and process gas leakage hole, the black box of high-pressure plunger and push rod and lower valve body, be with the Aspirating valves center of unloader at same axis, when high-speed switch valve obtains electric, the push rod of unloader from the high-pressure plunger acceptable solution pressure of electro-hydraulic actuator, thus backs down the valve block of Aspirating valves, when high-speed switch valve dead electricity, the power be applied on unloader push rod disappears, and unloader resets by the spring be installed in unloader, and now the valve block of Aspirating valves is closed, electric panel room comprises microprocessor, pressure transducer, and microprocessor, for controlling the ON/OFF action of high-speed switch valve, is triggered by input control signal level, realizes communication and control.
2. compressor tolerance stepless regulating system according to claim 1, is characterized in that microprocessor comprises power module, CPU module, sensor assembly, communication module and driver module.
3. compressor tolerance stepless regulating system according to claim 1, is characterized in that hydraulic oil unit comprises anti-explosion motor, plunger pump, fuel tank, oil dispenser, reduction valve, liquid-level switch, oil strainer, oil cooler and oil heater parts.
4. compressor tolerance stepless regulating system according to claim 3, it is characterized in that anti-explosion motor passes through the constant pressure variable plunger pump be arranged in fuel tank, hydraulic fluid pressure is brought up to setting value, supplies electro-hydraulic actuator at different levels by oil dispenser, reduction valve.
5. compressor tolerance stepless regulating system according to claim 3, is characterized in that the hydraulic oil of discharging from electro-hydraulic actuator flows to fuel tank through oil cooler, oil strainer.
6. compressor tolerance stepless regulating system according to claim 1, is characterized in that control system comprises dead center sensor, PLC control system and supervisory control comuter; After the signal of dead center sensor imports the microprocessor of electro-hydraulic actuator into, the actual opening and closing time of the Microprocessor S3C44B0X electro-hydraulic actuator of electro-hydraulic actuator.
7. compressor tolerance stepless regulating system according to claim 6, is characterized in that PLC control system mainly comprises controller and I/O module, power supply, supervisory control comuter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520767894.7U CN205013264U (en) | 2015-10-05 | 2015-10-05 | Compressor tolerance infinitely variable control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520767894.7U CN205013264U (en) | 2015-10-05 | 2015-10-05 | Compressor tolerance infinitely variable control system |
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| Publication Number | Publication Date |
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| CN205013264U true CN205013264U (en) | 2016-02-03 |
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| CN201520767894.7U Expired - Fee Related CN205013264U (en) | 2015-10-05 | 2015-10-05 | Compressor tolerance infinitely variable control system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939660A (en) * | 2017-11-22 | 2018-04-20 | 北京航天石化技术装备工程有限公司 | A kind of reciprocating compressor tolerance stepless regulating system |
| CN108005993A (en) * | 2017-11-22 | 2018-05-08 | 北京航天石化技术装备工程有限公司 | A kind of electrohydraulic actuator for reciprocating compressor amount regulating system |
| CN110748477A (en) * | 2019-11-27 | 2020-02-04 | 湖北文理学院 | Method and system for realizing stepless regulation of air quantity of compressor |
| CN110778490A (en) * | 2019-11-11 | 2020-02-11 | 无锡康茨压缩机配件与系统有限公司 | Stepless air quantity regulating air valve operation method and hydraulic damping device thereof |
| CN114017293A (en) * | 2021-10-21 | 2022-02-08 | 北京化工大学 | Squeeze film buffer type hydraulic actuating mechanism |
| CN117365935A (en) * | 2022-12-22 | 2024-01-09 | 珠海全润科技有限公司 | High-speed blanking and punching oil plunger pump |
-
2015
- 2015-10-05 CN CN201520767894.7U patent/CN205013264U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939660A (en) * | 2017-11-22 | 2018-04-20 | 北京航天石化技术装备工程有限公司 | A kind of reciprocating compressor tolerance stepless regulating system |
| CN108005993A (en) * | 2017-11-22 | 2018-05-08 | 北京航天石化技术装备工程有限公司 | A kind of electrohydraulic actuator for reciprocating compressor amount regulating system |
| CN107939660B (en) * | 2017-11-22 | 2023-12-15 | 北京航天石化技术装备工程有限公司 | Stepless air quantity regulating system of reciprocating compressor |
| CN108005993B (en) * | 2017-11-22 | 2023-12-15 | 北京航天石化技术装备工程有限公司 | Electrohydraulic actuator for gas flow regulating system of reciprocating compressor |
| CN110778490A (en) * | 2019-11-11 | 2020-02-11 | 无锡康茨压缩机配件与系统有限公司 | Stepless air quantity regulating air valve operation method and hydraulic damping device thereof |
| CN110748477A (en) * | 2019-11-27 | 2020-02-04 | 湖北文理学院 | Method and system for realizing stepless regulation of air quantity of compressor |
| CN114017293A (en) * | 2021-10-21 | 2022-02-08 | 北京化工大学 | Squeeze film buffer type hydraulic actuating mechanism |
| CN114017293B (en) * | 2021-10-21 | 2023-08-29 | 北京化工大学 | Extrusion oil film buffering type hydraulic actuating mechanism |
| CN117365935A (en) * | 2022-12-22 | 2024-01-09 | 珠海全润科技有限公司 | High-speed blanking and punching oil plunger pump |
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| 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: 20160203 Termination date: 20181005 |