CN102192202B - Energy accumulator station formed by welding air tank and mixing piston energy accumulator - Google Patents
Energy accumulator station formed by welding air tank and mixing piston energy accumulator Download PDFInfo
- Publication number
- CN102192202B CN102192202B CN2011101674332A CN201110167433A CN102192202B CN 102192202 B CN102192202 B CN 102192202B CN 2011101674332 A CN2011101674332 A CN 2011101674332A CN 201110167433 A CN201110167433 A CN 201110167433A CN 102192202 B CN102192202 B CN 102192202B
- Authority
- CN
- China
- Prior art keywords
- necked earthen
- earthen jar
- gas narrow
- narrow
- piston
- 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.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Abstract
The invention provides an energy accumulator station formed by welding an air tank and a mixing piston energy accumulator. The energy accumulator station is composed of multiple types of single tanks, multiple tanks and multiple air tank sets with different air tank capacity and piston energy accumulators with different capacity, and is characterized by being composed of high-pressure large-capacity welding air tanks with bases, the piston energy accumulators and a magnetic filter device, wherein the piston energy accumulators are arranged on the bases of the welding air tanks and are provided with piston position detecting devices; the air tank capacity has small type, medium type and large type, or even larger type, and the piston energy accumulator station is formed by equipping corresponding piston energy accumulators with multiple types of gas and oil ratios in design. The energy accumulator station provided by the invention has the advantages of simple structure, fewer external pipelines and easiness for installation; nitrogen is clean, and the service lives of a guide sleeve and a seal piece can be prolonged; the response speed of a hydraulic system is quick; the design and selection of the energy accumulator station are simple, which is convenient to monitor and control the hydraulic system; and the manufacturing cost is lower.
Description
Technical field
The present invention relates to a kind of accumulator station of being formed by welding gas narrow-necked earthen jar gentle, oily non-isolation combined piston accumulator, be mainly used in belonging to saving energy-accumulating device technical field in energy storage, the energy-conservation hydraulic system.
Background technique
Accumulator uses more in some hydraulic systems, also is important auxiliary in the hydraulic system, to system normally operation, protecting against shock, do supplementary energy, energy-conservation etc. playing a significant role, be the widely used product of mature and reliable very.Use more accumulator at present, be mainly bladder type hydropneumatic accumulator and piston accumulator, they respectively have pluses and minuses, narrow limitation is also respectively arranged and be suitable for scope and occasion separately.The piston accumulator capacity is big, the life-span long, simple in structure, install simply easy, easy to maintenance workload little, reliable, advantage such as approved product arranged.Gas leakage, system response time are slow, piston is arranged, and then surface friction drag increases, seal life is lacked, the supporting use with it of a plurality of outside gas cylinders need be arranged on it but also have, shortcomings such as floor space is big, the external connecting pipe line is many, it is applicable to that bigger capacity makes the energy-conservation hydraulic system occasion of supplementary energy.In many large-scale energy-saving type hydraulic systems, need the reliable piston accumulator of big capacity station.
Along with the world energy sources anxiety, environmental pollution is serious, natural disaster takes place frequently, or else notice that energy-saving and emission-reduction will threaten human survival, energy-conservation is again the state basic policy of China, situation need be many with piston accumulator power-saving technologies in a large amount of hydraulic systems, especially to jumbo piston accumulator it improved on the original basis again and improve a step, promote the use of to promote piston accumulator power-saving technology.
Summary of the invention
The purpose of this invention is to provide the accumulator station that a kind of capacity simple in structure, big, distribution are easy to high pressure welding gas narrow-necked earthen jar and gas, oily non-isolation combined piston accumulator composition.
In order to achieve the above object, technological scheme of the present invention has provided the accumulator station of a kind of many gas narrow-necked earthen jar and piston accumulator composition, it is characterized in that: comprise the piston accumulator, bottom at the piston accumulator is provided with safety valve, safety valve places trench, be provided with piston position detecting device at the piston accumulator, import and export of nitrogen place at the piston accumulator is provided with first high-pressure ball valve, first high-pressure ball valve connects one first three-way connector, the right side port of first three-way connector connects second high-pressure ball valve, second high-pressure ball valve connects drain pipe, drain pipe is connected to trench, the left side port of first three-way connector connects seamless steel pipe, outside seamless steel pipe, be surrounded by strong bar magnet, seamless steel pipe and the welding of second three-way joint element, be provided with pneumatic safety valve on the top of second three-way joint element, the left side port of second three-way joint element links to each other with the 3rd gas narrow-necked earthen jar high-pressure ball valve by screwed union, the 3rd high-pressure ball valve links to each other with at least one welding gas narrow-necked earthen jar by link, welding gas narrow-necked earthen jar is installed on the flooring base by the base of itself, bottom at welding gas narrow-necked earthen jar is provided with sewage outlet, each welding gas narrow-necked earthen jar links to each other with the blowdown high-pressure ball valve by pipe fitting, the piston accumulator places on the base of welding gas narrow-necked earthen jar, be support with welding gas narrow-necked earthen jar, the two sides is fixedly clamped by stay bolt with angle steel, be provided with rubber cushion blocks between the narrow-necked earthen jar wall of welding gas narrow-necked earthen jar and the angle steel, welding gas narrow-necked earthen jar is operated by control panel.
Further, be provided with gas narrow-necked earthen jar pressure gauge, oily narrow-necked earthen jar pressure gauge, oil pressure pressure-measuring head, inflated with nitrogen joint and nitrogen discharge high-pressure ball valve at described control panel, be provided with piston position detecting device at described piston accumulator.
That described welding gas narrow-necked earthen jar adopts is small-sized, gas narrow-necked earthen jar capacity is single welding gas narrow-necked earthen jar that 200-450 rises, and described piston accumulator then adopts with this list and welds the small capacity piston accumulator that the gas narrow-necked earthen jar adapts.
That described welding gas narrow-necked earthen jar adopts is medium-sized, gas narrow-necked earthen jar capacity is many welding gas narrow-necked earthen jar that 600-1800 rises, middle capacity piston accumulator that described piston accumulator then adopts and these many welding gas narrow-necked earthen jars adapt.
That described welding gas narrow-necked earthen jar adopts is large-scale, gas narrow-necked earthen jar capacity is the welding gas narrow-necked earthen jar body group that 2000-5000 rises, and the piston accumulator then adopts the big capacity piston accumulator that adapts with this welding gas narrow-necked earthen jar body group.
Advantage of the present invention is: 1, simple in structure, exterior tubing is few, installs easily; 2, be provided with magnetic filter before the gas narrow-necked earthen jar, the nitrogen cleaning can be prolonged working life of normal guide pin bushing and Sealing; 3, fast to the hydraulic system speed of response; 4, design selects for use the accumulator station simple, need only change gas narrow-necked earthen jar height and quantity namely; 5, the piston position control detection device of multiple piston accumulator is arranged, be convenient to hydraulic system is monitored and controlled; 6, cost is lower.
Description of drawings
Fig. 1 is the accumulator station principle schematic that a kind of many gas narrow-necked earthen jar and piston accumulator are formed;
Fig. 2 is the accumulator station side view that a kind of many gas narrow-necked earthen jar and piston accumulator are formed;
Fig. 3 is the accumulator station schematic representation that single gas narrow-necked earthen jar and piston accumulator are formed;
Fig. 4 is the accumulator station schematic representation that many gas narrow-necked earthen jar body group and piston accumulator are formed.
Embodiment
For the present invention is become apparent, now with preferred embodiment, and conjunction with figs. is described in detail below.
Embodiment 1
As shown in Figures 1 and 2, accumulator station for a kind of many gas narrow-necked earthen jar provided by the invention and piston accumulator composition, comprise piston accumulator 7, be provided with safety valve 2 in the bottom of piston accumulator 7, safety valve 2 places trench 1, be provided with piston position detecting device 7-1 at piston accumulator 7, be provided with first high-pressure ball valve 9 at the import and export of nitrogen place of piston accumulator 7, first high-pressure ball valve 9 connects one first three-way connector, the right side port of first three-way connector connects second high-pressure ball valve 11, second high-pressure ball valve 11 connects drain pipe 10, drain pipe 10 is connected to trench 1, the left side port of first three-way connector connects seamless steel pipe 14, outside seamless steel pipe 14, be surrounded by strong bar magnet 13, seamless steel pipe 14 and the welding of second three-way joint element, be provided with pneumatic safety valve 15 on the top of second three-way joint element, the left side port of second three-way joint element links to each other with the 3rd gas narrow-necked earthen jar high-pressure ball valve 16 by screwed union, the 3rd high-pressure ball valve 16 links to each other with a plurality of welding gas narrow-necked earthen jars 8 by link, welding gas narrow-necked earthen jar 8 bases by itself are installed on the flooring base, bottom at welding gas narrow-necked earthen jar 8 is provided with sewage outlet 5, each welding gas narrow-necked earthen jar 8 links to each other with blowdown high-pressure ball valve 4 by pipe fitting, piston accumulator 7 places on the base of welding gas narrow-necked earthen jar 8, be support with welding gas narrow-necked earthen jar 8, the two sides is fixedly clamped by stay bolt folder 17 with angle steel 12, be provided with rubber cushion blocks between the narrow-necked earthen jar wall of welding gas narrow-necked earthen jar 8 and the angle steel, welding gas narrow-necked earthen jar 8 is by control panel 6 operations, be provided with gas narrow-necked earthen jar pressure gauge 6-1 at control panel 6, oil narrow-necked earthen jar pressure gauge 6-2, oil pressure pressure-measuring head 6-3, inflated with nitrogen joint 6-4 and nitrogen discharge high-pressure ball valve 6-5 are provided with piston position detecting device 7-1 at piston accumulator 7.
When inflated with nitrogen in welding gas narrow-necked earthen jar 8, earlier first high-pressure ball valve 9 of piston accumulator 7 turnover nitrogen is closed, the nitrogen hose coupling that fills by Nitrogen filling vehicle inserts inflated with nitrogen joint 6-4, the pressure that is shown in the gas narrow-necked earthen jar by pressure gauge 15 in the inflated with nitrogen then.When work in the accumulator station, nitrogen is come in and gone out from welding gas narrow-necked earthen jar 8, and through magnetic filter 13, carrying magnetic pollutant in the filter nitrogen passes in and out piston accumulator 7 then, and piston accumulator 7 is provided with piston position detecting device 7-1.During piston accumulator 7 work, pressure oil content two-way, wherein one road pressure gauge 6-2 to the control panel 6 also is provided with pressure measuring tie-in 6-3 on the pipeline, and piston accumulator 7 another road pressure oils are through oil pressure relief valve 2, and 2-1 leads to oil cylinder through the pressure oil interface.After producing a period of time, during a certain amount of magnetic impurity of accumulation, magnetic filter 13 is taken off in the stainless-steel seamless pipe 14, stainless-steel seamless pipe 14 losss of excitation, magnetic impurity are scattered in the pipe, this time open second high-pressure ball valve 4, utilize high pressure nitrogen to wash away impurity, enter trench 1 through drain pipe 10.After producing a period of time, accumulate some waste liquids in the gas narrow-necked earthen jar, open blowdown high-pressure ball valve 4 respectively, enter in the trench 1 through drain pipe 10.After producing a period of time, piston accumulator 7 inner seal liners etc. damage when needing maintenance, the 3rd high-pressure ball valve 16 of gas narrow-necked earthen jar top is closed, simultaneously piston accumulator 7 following oil pressure relief valves are also closed, this the time back out the connecting screw of high-pressure ball valve back and the connecting screw on the piston accumulator 7, the high-pressure ball valve of magnetic filter 13, stainless-steel seamless pipe 14, blowdown high-pressure ball valve 11, accumulator top all can be taken off, take piston accumulator 7 loam cakes again apart, can safeguard piston accumulator 7.The welding gas narrow-necked earthen jar 8 of present embodiment is many welding gas narrow-necked earthen jar that 600-1800 rises for medium-sized, gas narrow-necked earthen jar capacity.Wherein, but the structure application reference of welding gas narrow-necked earthen jar No. 8 is 201120190629.9 patent of invention, and piston accumulator 7 can application reference number be 201120190671.0 patent of invention.
Embodiment 2
As shown in Figure 3, present embodiment and embodiment's 1 difference is, that welding gas narrow-necked earthen jar 8 adopts is small-sized, gas narrow-necked earthen jar capacity is single welding gas narrow-necked earthen jar 8-1 that 200-450 rises, 7 of piston accumulators adopt small capacity piston accumulator 7-1 to be combined as an accumulator station, and other is all identical with embodiment 1 at structure, function and employing parts.
Embodiment 3
As shown in Figure 4, present embodiment and embodiment's 1 difference is, that welding gas narrow-necked earthen jar 8 adopts is large-scale, gas narrow-necked earthen jar capacity is the welding gas narrow-necked earthen jar body group 8-2 that 2000-5000 rises, 7 of piston accumulators adopt big capacity piston accumulator 7-2 to be combined as an accumulator station, it is in gas narrow-necked earthen jar quantity and arrange that difference is arranged, the gas narrow-necked earthen jar has lateral arrangement and vertical the layout to combine, and other is all identical with embodiment 1 at structure, function and employing parts.
Claims (5)
1. the accumulator station formed of gas narrow-necked earthen jar more than a kind and piston accumulator, it is characterized in that: comprise piston accumulator (7), be provided with safety valve (2) in the bottom of piston accumulator (7), safety valve (2) places trench (1), be provided with piston position detecting device (7-1) at piston accumulator (7), be provided with first high-pressure ball valve (9) at the import and export of nitrogen place of piston accumulator (7), first high-pressure ball valve (9) connects one first three-way connector, the right side port of first three-way connector connects second high-pressure ball valve (11), second high-pressure ball valve (11) connects drain pipe (10), drain pipe (10) is connected to trench (1), the left side port of first three-way connector connects seamless steel pipe (14), outside seamless steel pipe (14), be surrounded by strong bar magnet (13), seamless steel pipe (14) and the welding of second three-way joint element, be provided with pneumatic safety valve (15) on the top of second three-way joint element, the left side port of second three-way joint element links to each other with the 3rd gas narrow-necked earthen jar high-pressure ball valve (16) by screwed union, the 3rd high-pressure ball valve (16) links to each other with at least one welding gas narrow-necked earthen jar (8) by link, welding gas narrow-necked earthen jar (8) is installed on the flooring base by the base of itself, bottom at welding gas narrow-necked earthen jar (8) is provided with sewage outlet (5), each welding gas narrow-necked earthen jar (8) links to each other with blowdown high-pressure ball valve (4) by pipe fitting, piston accumulator (7) places on the base of welding gas narrow-necked earthen jar (8), with the welding gas narrow-necked earthen jar (8) be support, the two sides is fixedly clamped by stay bolt folder (17) with angle steel (12), be provided with rubber cushion blocks between the narrow-necked earthen jar wall of welding gas narrow-necked earthen jar (8) and the angle steel, welding gas narrow-necked earthen jar (8) is by control panel (6) operation.
2. the accumulator station formed of a kind of many gas narrow-necked earthen jar as claimed in claim 1 and piston accumulator, it is characterized in that: be provided with gas narrow-necked earthen jar pressure gauge (6-1), oily narrow-necked earthen jar pressure gauge (6-2), oil pressure pressure-measuring head (6-3), inflated with nitrogen joint (6-4) and nitrogen discharge high-pressure ball valve (6-5) at described control panel (6), be provided with piston position detecting device (7-1) at described piston accumulator (7).
3. the accumulator station formed of a kind of many gas narrow-necked earthen jar as claimed in claim 1 and piston accumulator, it is characterized in that: it is single welding gas narrow-necked earthen jar (8-1) that 200-450 rises that described welding gas narrow-necked earthen jar (8) adopts small-sized, gas narrow-necked earthen jar capacity, and described piston accumulator (7) then adopts with this list and welds the small capacity piston accumulator (7-1) that gas narrow-necked earthen jar (8-1) adapts.
4. the accumulator station formed of a kind of many gas narrow-necked earthen jar as claimed in claim 1 and piston accumulator, it is characterized in that: it is many welding gas narrow-necked earthen jar that 600-1800 rises that described welding gas narrow-necked earthen jar (8) adopts medium-sized, gas narrow-necked earthen jar capacity, and described piston accumulator (7) then adopts and should weld the middle capacity piston accumulators that the gas narrow-necked earthen jars adapt more.
5. the accumulator station formed of a kind of many gas narrow-necked earthen jar as claimed in claim 1 and piston accumulator, it is characterized in that: it is the welding gas narrow-necked earthen jar body group (8-2) that 2000-5000 rises that described welding gas narrow-necked earthen jar (8) adopts large-scale, gas narrow-necked earthen jar capacity, the big capacity piston accumulator (7-2) that piston accumulator (7) then adopts and this welding gas narrow-necked earthen jar body group (8-2) adapts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101674332A CN102192202B (en) | 2011-06-21 | 2011-06-21 | Energy accumulator station formed by welding air tank and mixing piston energy accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101674332A CN102192202B (en) | 2011-06-21 | 2011-06-21 | Energy accumulator station formed by welding air tank and mixing piston energy accumulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102192202A CN102192202A (en) | 2011-09-21 |
| CN102192202B true CN102192202B (en) | 2013-07-03 |
Family
ID=44600886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101674332A Active CN102192202B (en) | 2011-06-21 | 2011-06-21 | Energy accumulator station formed by welding air tank and mixing piston energy accumulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102192202B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734237B (en) * | 2012-07-16 | 2015-07-15 | 北京市三一重机有限公司 | Energy accumulator system and water pump system |
| CN105855255A (en) * | 2015-01-22 | 2016-08-17 | 天津金牛电源材料有限责任公司 | Cleaning method for lithium ion battery electrolyte packing barrel |
| CN108679004A (en) * | 2018-07-30 | 2018-10-19 | 本钢板材股份有限公司 | A kind of hydraulic system energy accumulator station and the method using energy accumulator station inflated with nitrogen |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4243856A (en) * | 1978-02-27 | 1981-01-06 | Gratzmuller J | Piston-type hydropneumatic accumulator equipped with a gas shortage detection device |
| CN2057462U (en) * | 1989-09-28 | 1990-05-23 | 吉林工业大学 | After-treatment device for exhaust particles of diesel |
| CN201507500U (en) * | 2009-06-15 | 2010-06-16 | 何学才 | Stepping type heating furnace hydraulic balance energy-saving device |
| CN101782085A (en) * | 2009-12-30 | 2010-07-21 | 中国第一重型机械股份公司 | Method for storing and releasing hydraulic energy and gas, water and oil storage device applying same |
| CN201666281U (en) * | 2009-05-07 | 2010-12-08 | 何学才 | Hydraulic system energy-saving device fully using piston accumulator for feeding liquid |
| CN201696368U (en) * | 2010-07-05 | 2011-01-05 | 何学才 | Gas and liquid cylinder combination barrierless multi-type piston accumulator of low pressure difference |
| CN101956732A (en) * | 2010-11-04 | 2011-01-26 | 何学才 | Gas and oil canister combined non-isolated multiple piston accumulator |
| CN202149088U (en) * | 2011-06-21 | 2012-02-22 | 何学才 | Accumulator station formed by welding canisters and mixed piston accumulators |
-
2011
- 2011-06-21 CN CN2011101674332A patent/CN102192202B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4243856A (en) * | 1978-02-27 | 1981-01-06 | Gratzmuller J | Piston-type hydropneumatic accumulator equipped with a gas shortage detection device |
| CN2057462U (en) * | 1989-09-28 | 1990-05-23 | 吉林工业大学 | After-treatment device for exhaust particles of diesel |
| CN201666281U (en) * | 2009-05-07 | 2010-12-08 | 何学才 | Hydraulic system energy-saving device fully using piston accumulator for feeding liquid |
| CN201507500U (en) * | 2009-06-15 | 2010-06-16 | 何学才 | Stepping type heating furnace hydraulic balance energy-saving device |
| CN101782085A (en) * | 2009-12-30 | 2010-07-21 | 中国第一重型机械股份公司 | Method for storing and releasing hydraulic energy and gas, water and oil storage device applying same |
| CN201696368U (en) * | 2010-07-05 | 2011-01-05 | 何学才 | Gas and liquid cylinder combination barrierless multi-type piston accumulator of low pressure difference |
| CN101956732A (en) * | 2010-11-04 | 2011-01-26 | 何学才 | Gas and oil canister combined non-isolated multiple piston accumulator |
| CN202149088U (en) * | 2011-06-21 | 2012-02-22 | 何学才 | Accumulator station formed by welding canisters and mixed piston accumulators |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102192202A (en) | 2011-09-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102927437A (en) | Efficient and energy-saving type large-discharge double-line hydraulic gas substation system | |
| CN102192202B (en) | Energy accumulator station formed by welding air tank and mixing piston energy accumulator | |
| CN202149088U (en) | Accumulator station formed by welding canisters and mixed piston accumulators | |
| CN202915048U (en) | High-efficiency energy-saving type large-output double-line hydraulic air-entrapping substation device | |
| CN208576595U (en) | A kind of integrated hydraulic system | |
| CN102182714A (en) | Gas and oil non-isolated mixed type piston energy accumulator | |
| CN201696368U (en) | Gas and liquid cylinder combination barrierless multi-type piston accumulator of low pressure difference | |
| CN204383429U (en) | A kind of hydraulic pressure aerating superimposed trailer | |
| CN202884469U (en) | Vehicle liquefied natural gas bottle control pipeline structure | |
| CN201352165Y (en) | Device for detecting the air tightness of pipe fittings | |
| CN201141453Y (en) | Two-position three-way valve device | |
| CN104329562B (en) | A kind of movable hydraulic substation car | |
| CN214844414U (en) | Liquid pressure pulse circulation automatic test device | |
| CN204628704U (en) | The concentric compressive force switch of service water process | |
| CN201688131U (en) | Automobile-used LNG horizontal welding thermal-insulation gas cylinder self-pressurization device | |
| CN204187267U (en) | A kind of hydraulic pressure aerating type bundled tube shipping container | |
| CN201865997U (en) | Heavy type mining dumper hydraulic oil tank | |
| CN2835975Y (en) | Hydraulic system leakage alarm device for vehicle | |
| CN201277365Y (en) | Dephosphorizing gas-control lowest liquid-elevating valve | |
| CN202911728U (en) | Safe hydraulic brake system for parking brake | |
| CN201569551U (en) | Multifunctional detection pump station | |
| CN202546268U (en) | Bottle group for 6.78-cube gas station | |
| CN202900837U (en) | Return oil integrating machine | |
| CN202158353U (en) | Gas trailer back room hydraulic pipe | |
| CN216734301U (en) | Mining locomotive hydraulic braking control integrated assembly |
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 |