CN102872994B - Long-distance air supply mist and smoke spraying machine - Google Patents
Long-distance air supply mist and smoke spraying machine Download PDFInfo
- Publication number
- CN102872994B CN102872994B CN201210141935.2A CN201210141935A CN102872994B CN 102872994 B CN102872994 B CN 102872994B CN 201210141935 A CN201210141935 A CN 201210141935A CN 102872994 B CN102872994 B CN 102872994B
- Authority
- CN
- China
- Prior art keywords
- combustor
- spray
- mentioned
- air inlet
- wall
- 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
Landscapes
- Nozzles (AREA)
Abstract
The invention discloses a long-distance air supply mist and smoke spraying machine, which comprises a machine frame, a generator set, a power distribution control device, an oil agent box, an oil agent liquid pump, an oil tank, an oil pump, a support, a spray cylinder (1) and a fan (2), wherein a steady state smog combustor (3) is arranged in the spray cylinder (1); an agent spraying nozzle (37) is arranged on a spray pipe (34); a combustor air inlet cylinder (4) is arranged between the steady state smog combustor (3) and the spray cylinder (1), and a partition board (41) is arranged in the middle of the combustor air inlet cylinder (4); one side of the partition board (41), the inner wall of the combustor air inlet cylinder (4) and the outer wall of a combustion chamber outer shell (31) form a front cavity m for combustion air intake, and the other side of the partition board (41), the inner wall of the combustor air inlet cylinder (4) and the outer wall of a fuming pipe (33) form a rear cavity p; the outer wall of the combustor air inlet cylinder (4) and the inner wall of the spray cylinder (1) form an air supply air injection cavity n; the spray cylinder (1) is provided with a plurality of sprayers (5); and the machine frame is provided with a water aqua agent box and a water aqua agent pump. According to the long-distance air supply mist and smoke spraying machine, the smoke spraying combustor (3) is arranged in the spray cylinder (1), so that a structure is compact, and one fan is eliminated; and the long-distance air supply mist and smoke spraying machine can spray smoke and mist and has two purposes, so that the directional target spraying to high-altitude crown canopies is realized.
Description
Technical field
What the present invention relates to is a kind of special arrangement of the liquid injection device for destruction of pest, relates to a kind of spraying equipment for fields such as forestry, agricultural, health concretely.
Technical background
Smog spraying equipment for eliminating harmful lively thing in prior art is disclosed by following patent document.
As Chinese patent application: its name is called " high-firing-range spraying machine ", (publication number is CN101053859A), above-mentioned high-firing-range spraying machine draws together support, rotating disk, cluster engine, distribution control device, aerosol producer and support, support is equipped with a left side, right-hand rotation supports, left, spray canister is equipped with in right-hand rotation supporting, difference is: above-mentioned spray canister is made up of axial flow blower and contraction air duct, axial flow blower is by casing, impeller and rotating shaft A form, the nozzle gas flow spout of above-mentioned aerosol producer is arranged in the passage of the jet in above-mentioned spray canister, right spindle is put respectively in above-mentioned spray canister both sides, left rotary shaft, above-mentioned support is equipped with the swing mechanism that above-mentioned spray canister can be made to swing up and down.But; the aerosol producer of this fog machine adopts aeropulse engine and forms for medicine system; this pulsejet type fogger adopts aeropulse engine to be power; engine carries out work at ambient pressure; there is the problem of job insecurity; external environment condition slightly changes, and aeropulse engine can be shut down suddenly at work.Secondly, aerosol producer and spray canister are contained on different parts respectively, and this aerosol producer is positioned at outside spray canister, and aerosol producer is contained on support, and spray canister is contained on the support on support, not only occupies on support, and machine volume is large.
But, also has a kind of large smoke machine, such as Chinese patent: its name is called " stable state combustion large smoke machine ", (Authorization Notice No. is CN101530835B), above-mentioned stable state combustion large smoke machine, it comprises frame, frame is equipped with engine, generator, control system, blower fan, combustor component, fuel oil supply system, chemical liguid supply system, ignition system, ignition system comprises high pressure generator, ignitor, engine is connected with generator and blower fan respectively through transmission mechanism, it is characterized in that, this stable state combustion large fog machine relies on and is arranged on combustor component generation smog in frame, the thermal current of high temperature and high speed can be produced, the liquid of initial atomization is made to obtain quick aerosolization under the effect of the thermal current of high temperature and high speed, spray in dense smoke condition, large area fills the air diffusion, be attached to target surface, and then kill to sick worm or germ, and the Pesticide use amount of unit are can be reduced.Above-mentioned fog machine or fog machine can only machine one use, or can only spray, or can only smog.
Therefore, above-mentioned stable state combustion large smoke machine and above-mentioned wide range blast system are combined, by high velocity air, smog is delivered directly in crown canopy, realize directed target to spray, a machine dual-purpose can be realized simultaneously, can can also spray by aerosol spraying, be the important topic that the present invention solves the quick smog control of single file forest.
Summary of the invention
For the technical problem existed in above-mentioned prior art, the object of this invention is to provide a kind of long-range air-assisted spraying fog machine, stable performance in this spraying fog machine, the stable state smoke combustion device that the ability of generation smog is large is placed in spray canister, not only compact conformation, save a blower fan, volume is little, can also exactly by the soot containing medicament component directly to eminence or at a distance (shock) is sprayed on blade face or other surface, sick worm or germ are killed, and desinsection cost is low, kill virus effective, low in the pollution of the environment, can also by the tiny globule particle jetting containing aqueous pesticide composition to blade face at a distance or object, realize a machine dual-purpose, can can also spray by aerosol spraying.
In order to achieve the above object, the present invention solves the problems of the technologies described above adopted technical scheme and is:
A kind of long-range air-assisted spraying fog machine, it comprises frame, generating set, distribution control device, finish medicine-chest, finish spray pump, fuel tank, oil pump, support, frame upper is equipped with spray canister 1, spray canister 1 is built with blower fan 2, it is characterized in that, stable state smoke combustion device 3 is also housed in above-mentioned spray canister 1, this stable state smoke combustion device 3 is positioned at blower fan 2 front, stable state smoke combustion device 3 is by combustor outer casing body 31, combustion chamber 32, fuming pipe 33, jet pipe 34 forms, combustor outer casing body 31 outer wall is equipped with into air holes 311, combustion chamber 32 outer wall distributes fresh air inlet 321, igniter 35 is housed bottom combustion chamber 32, atomizer 36, atomizer 36 oil-in is connected with above-mentioned oil pump liquid outlet, spraying nozzle 37 is equipped with in jet pipe 34 exit, spraying nozzle 37 inlet is connected with the liquid outlet of above-mentioned finish spray pump, combustor air inlet cylinder 4 is equipped with between stable state smoke combustion device 3 and spray canister 1, a demarcation strip 41 for supplying gas in above-mentioned combustor outer casing body 31 is equipped with in the middle of combustor air inlet cylinder 4, the side of this demarcation strip 41 and combustor air inlet cylinder 4 inwall, combustor outer casing body 31 outer wall forms the ante-chamber m of burning charge, the opposite side of demarcation strip 41 and combustor air inlet cylinder 4 inwall, fuming pipe 33 outer wall forms back cavity p, combustor air inlet cylinder 4 outer wall and spray canister 1 inwall form the jet chamber n that blows, above-mentioned spray canister 1 is also equipped with one or more shower nozzles 5, above-mentioned frame is also equipped with aqua medicine-chest, aqua spray pump, aqua medicine-chest liquid outlet is communicated with the inlet of aqua spray pump, the liquid outlet of aqua spray pump is communicated with one or more shower nozzle 5 inlets.
Above-mentioned combustion chamber 32 is composite chamber.
The above-mentioned demarcation strip 41 for supplying gas to above-mentioned combustor outer casing body 31 is formed and the acutangulate circular cone inclined-plane of its axis structure according to air force.
It is as follows that long-range air-assisted spraying fog machine of the present invention has advantage:
This spraying fog machine owing to being equipped with combustor air inlet cylinder between stable state smoke combustion device and spray canister, blower fan can be produced air-flow and be divided into two strands of air-flows by it, flow to ante-chamber m and the jet chamber n of air-supply of burning charge respectively, one air-flow is to the ante-chamber m of burning charge, to stable state smoke combustion device air feed, ensure the oil gas Thorough combustion in combustion chamber, do not need to arrange a blower fan specially to stable state smoke combustion device air feed, namely reduce and save a blower fan, and the fuming pipe of stable state smoke combustion device is positioned at the back cavity p of combustor air inlet drum, because the demarcation strip in combustor air inlet cylinder has cut off the contact of blower fan (2) air-flow and fuming pipe (33) outer wall, air-flow can not directly through fuming pipe outer wall, can prevent the pesticide smoke particle be atomized in the fuming pipe of stable state smoke combustion device in jet pipe from sharply lowering the temperature, again larger oil droplet is condensed upon, accumulate fluid.When the pesticide smoke particle be atomized sprays in jet pipe, converge with fuming pipe little airflow out and spray fuming pipe, should containing the little airflow of pesticide smoke particle and another plume to the jet chamber n that blows, the high velocity air that sprays from spray canister mixes, smog directly can not only be sent to eminence or crown canopy at a distance by this mixed airflow, and can high-altitude among a small circle in formed and claim to overflow region; This spraying fog machine is owing to being also equipped with one or more shower nozzles at above-mentioned contraction air duct, above-mentioned frame is also equipped with aqua medicine-chest, aqua spray pump, the small cigarette shape particle jetting of explosive component can not only will be contained to blade face at a distance or object containing finish, by containing the tiny globule particle of explosive component containing aqua to blade face at a distance or object, a spraying equipment tool two kinds of ejection functions can also be realized.Therefore, long-range air-assisted spraying fog machine of the present invention is combined by combustor air inlet cylinder and demarcation strip at above-mentioned stable state combustion large smoke machine main body and above-mentioned wide range blast system, realize stable state combustion large smoke machine by wide range blast system air feed and conveying smog, realize directed target to spray, a machine dual-purpose can also be realized simultaneously, both can also spray by aerosol spraying, solve the quick smog control of single file forest.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram (figure mid frame, generating set, distribution control device, finish medicine-chest, finish spray pump, aqua medicine-chest, aqua spray pump, fuel tank, oil pump, support etc. show draw) of long-range air-assisted spraying fog machine of the present invention;
Fig. 2 is A-A cross-sectional view in Fig. 1:
Fig. 3 is the structure for amplifying schematic diagram of combustor air inlet cylinder 4 in Fig. 1;
The structure for amplifying schematic diagram on Fig. 4 to be the demarcation strip 41 of combustor air inlet cylinder 4 be circular cone inclined-plane.
Detailed description of the invention
Below in conjunction with drawings and Examples, long-range air-assisted spraying fog machine of the present invention is described further.
As Figure 1-3, a kind of long-range air-assisted spraying fog machine, it comprises frame, generating set, distribution control device, finish medicine-chest, finish spray pump, fuel tank, oil pump, support, frame upper is equipped with spray canister 1, spray canister 1 is built with blower fan 2, it is characterized in that, stable state smoke combustion device 3 is also housed in above-mentioned spray canister 1, this stable state smoke combustion device 3 is positioned at blower fan 2 front, stable state smoke combustion device 3 is by combustor outer casing body 31, combustion chamber 32, fuming pipe 33, jet pipe 34 forms, combustor outer casing body 31 outer wall is equipped with into air holes 311, combustion chamber 32 outer wall distributes fresh air inlet 321, igniter 35 is housed bottom combustion chamber 32, atomizer 36, atomizer 36 oil-in is connected with above-mentioned oil pump liquid outlet, spraying nozzle 37 is equipped with in jet pipe 34 exit, spraying nozzle 37 inlet is connected with the liquid outlet of above-mentioned finish spray pump, combustor air inlet cylinder 4 is equipped with between stable state smoke combustion device 3 and spray canister 1, a demarcation strip 41 for supplying gas in above-mentioned combustor outer casing body 31 is equipped with in the middle of combustor air inlet cylinder 4, the side of this demarcation strip 41 and combustor air inlet cylinder 4 inwall, combustor outer casing body 31 outer wall forms the ante-chamber m of burning charge, the opposite side of demarcation strip 41 and combustor air inlet cylinder 4 inwall, fuming pipe 33 outer wall forms back cavity p, combustor air inlet cylinder 4 outer wall and spray canister 1 inwall form the jet chamber n that blows, above-mentioned spray canister 1 is also equipped with one or more shower nozzles 5, above-mentioned frame is also equipped with aqua medicine-chest, aqua spray pump, aqua medicine-chest liquid outlet is communicated with the inlet of aqua spray pump, the liquid outlet of aqua spray pump is communicated with one or more shower nozzle 5 inlets.
As shown in Figure 4, the above-mentioned demarcation strip 41 for supplying gas to above-mentioned combustor outer casing body 31 is formed and the acutangulate circular cone inclined-plane of its axis structure according to air force.
As Figure 1-4, the spraying aerosol spraying process of above-mentioned long-range air-assisted spraying fog machine is as follows: generating set generates electricity, electricity is connected with blower fan 2 and oscillating motor respectively through distribution control device, blower fan 2 rotates, blower fan 2 is produced air-flow and is divided into two strands of air-flows by the combustor air inlet cylinder 4 be contained in before blower fan 2, flow to ante-chamber m and the jet chamber n of air-supply of burning charge respectively, wherein, one flows to the ante-chamber m of burning charge, to stable state smoke combustion device 3 air feed, another plume is to the jet chamber n of air-supply, one air-flow flowing to the ante-chamber m of burning charge enters in combustor outer casing body 31 and is divided into two parts again, a part enters air holes 311 air inlet to combustor outer casing body 31 side radial direction, enter gas flow distribution cavity, in gas flow distribution cavity, a part of air-flow is through the radial distribution fresh air inlet 321 of side or the conical surface, enter in combustion chamber 32, simultaneously, Oil pump electrical machinery connects electricity, the fuel oil in fuel tank is made to enter in combustion chamber 32 through atomizer 36 atomization, spark plug in cut-in point firearm 35, fire fuel gaseous mixture, ensure the oil gas Thorough combustion in combustion chamber 32, meanwhile, apart from exit, spraying nozzle 37 is housed at jet pipe 34, electricity connected by finish spray pump motor, the finish liquid in finish medicine-chest is made to enter jet pipe 34 through spraying nozzle 37, at high temperature, under action of high-speed airflow, liquid is rapidly evaporated, spray from the spout of jet pipe 34, another part air-flow is along fuming pipe 33 to its outlet, due to fuming pipe 33 be positioned at the back cavity p preventing jet pipe 34 fast cooling of combustor air inlet cylinder 4, prevent the pesticide smoke particle be atomized in jet pipe 34 from sharply lowering the temperature, and then can prevent the pesticide smoke particle be atomized from again being condensed upon larger oil droplet, accumulate fluid, impact virus killing effect.What another strand of air-flow of the jet chamber n of flow direction air-supply and above-mentioned jet pipe 34 sprayed converges containing the pesticide smoke particle air-flow be atomized, soot containing medicament component can directly be sprayed to eminence or blade face, distant place or other surface by above-mentioned spray canister 1 direction and spray (shock) by this mixed airflow exactly, directly sick worm or germ are killed, and can also the eminence of spraying or at a distance blade face or other surface among a small circle in formed and claim to overflow region, continue to kill sick worm or germ.High-altitude among a small circle in formed and claim unrestrained region, also there is suitable distance in the ground of sinking, namely causes to fall and break, and the soot major part containing medicament component is scattered on blade face, improves virus killing effect, reduce desinsection cost, reduce environmental pollution.When need by containing aqueous pesticide composition by tiny globule particle jetting to distant place blade face or object time, by Oil pump electrical machinery power-off, fuel oil in fuel tank is stopped to combustion chamber 32 oil spout, by the power-off of finish spray pump motor, the liquid in finish medicine-chest is made to stop carrying finish liquid to jet pipe 34, meanwhile, aqua spray pump can be connected electricity, make the aqua liquid in aqua medicine-chest deliver to through pipeline each shower nozzle 5 being contained in spray canister 1 spout to spray, the tiny droplet formed, the high velocity air sprayed in company with above-mentioned spray canister 1 blows down, eminence or blade face or other surface virus killing is at a distance sprayed onto by above-mentioned spray canister 1 axial direction.
Claims (3)
1. a long-range air-assisted spraying fog machine, it comprises frame, generating set, distribution control device, finish medicine-chest, finish spray pump, fuel tank, oil pump, support, frame upper is equipped with spray canister (1), spray canister (1) is built with blower fan (2), it is characterized in that, stable state smoke combustion device (3) is also housed in above-mentioned spray canister (1), this stable state smoke combustion device (3) is positioned at blower fan (2) front, stable state smoke combustion device (3) is by combustor outer casing body (31), combustion chamber (32), fuming pipe (33), jet pipe (34) forms, combustor outer casing body (31) outer wall is equipped with into air holes (311), combustion chamber (32) outer wall distributes fresh air inlet (321), igniter (35) is equipped with in bottom, combustion chamber (32), atomizer (36), atomizer (36) oil-in is connected with above-mentioned oil pump liquid outlet, spraying nozzle (37) is equipped with in jet pipe (34) exit, spraying nozzle (37) inlet is connected with the liquid outlet of above-mentioned finish spray pump, combustor air inlet cylinder (4) is equipped with between stable state smoke combustion device (3) and spray canister (1), a demarcation strip (41) for supplying gas in above-mentioned combustor outer casing body (31) is equipped with in the middle of combustor air inlet cylinder (4), the side of this demarcation strip (41) and combustor air inlet cylinder (4) inwall, combustor outer casing body (31) outer wall forms the ante-chamber m of burning charge, the opposite side of demarcation strip (41) and combustor air inlet cylinder (4) inwall, fuming pipe (33) outer wall forms back cavity p, combustor air inlet cylinder (4) outer wall and spray canister (1) inwall form the jet chamber n that blows, above-mentioned spray canister (1) is also equipped with one or more shower nozzles (5), above-mentioned frame is also equipped with aqua medicine-chest, aqua spray pump, aqua medicine-chest liquid outlet is communicated with the inlet of aqua spray pump, the liquid outlet of aqua spray pump is communicated with one or more shower nozzles (5) inlet.
2. long-range air-assisted spraying fog machine according to claim 1, is characterized in that, above-mentioned combustion chamber (32) are composite chamber.
3. long-range air-assisted spraying fog machine according to claim 1 and 2, it is characterized in that, the above-mentioned demarcation strip (41) for supplying gas to above-mentioned combustor outer casing body (31) is formed and the acutangulate circular cone inclined-plane of its axis structure according to air force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210141935.2A CN102872994B (en) | 2012-05-01 | 2012-05-01 | Long-distance air supply mist and smoke spraying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210141935.2A CN102872994B (en) | 2012-05-01 | 2012-05-01 | Long-distance air supply mist and smoke spraying machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102872994A CN102872994A (en) | 2013-01-16 |
| CN102872994B true CN102872994B (en) | 2015-05-13 |
Family
ID=47474637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210141935.2A Active CN102872994B (en) | 2012-05-01 | 2012-05-01 | Long-distance air supply mist and smoke spraying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102872994B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665172B (en) * | 2013-02-23 | 2017-12-12 | 李耀强 | A kind of spraying machine |
| CN104941844A (en) * | 2015-07-08 | 2015-09-30 | 福建省雾精灵环境科技有限公司 | Air-conveying spraying machine |
| CN105665174B (en) * | 2016-04-05 | 2018-07-06 | 中国科学技术大学 | A kind of axis stream induction type spraying device |
| CN108464291B (en) * | 2018-05-17 | 2024-03-26 | 广东飞翔达科技有限公司 | Pulse combustion diffuse spraying device and flying pesticide diffuse sprayer |
| CN110237956A (en) * | 2019-03-27 | 2019-09-17 | 福建爱溥环保设备有限公司 | Haze spraying device drops |
| CN114766455B (en) * | 2022-04-20 | 2023-07-25 | 芜湖快螳螂智能设备有限公司 | Medicine spraying structure of steam sprayer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB797315A (en) * | 1955-03-05 | 1958-07-02 | Jean Mocquard | Device for atomising liquids |
| CN2196878Y (en) * | 1994-09-23 | 1995-05-17 | 刘铭汤 | Smoking machine |
| CN101053859A (en) * | 2006-04-10 | 2007-10-17 | 南通市广益机电有限责任公司 | High-firing-range spraying machine |
| CN101530835A (en) * | 2009-04-21 | 2009-09-16 | 南京林业大学 | Stable state combustion large smoke machine |
| CN202715498U (en) * | 2012-05-01 | 2013-02-06 | 南通市广益机电有限责任公司 | Remote air supply mist and smoke spraying machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006007143A (en) * | 2004-06-28 | 2006-01-12 | Kaken:Kk | Chemicals diluting/spraying apparatus |
-
2012
- 2012-05-01 CN CN201210141935.2A patent/CN102872994B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB797315A (en) * | 1955-03-05 | 1958-07-02 | Jean Mocquard | Device for atomising liquids |
| CN2196878Y (en) * | 1994-09-23 | 1995-05-17 | 刘铭汤 | Smoking machine |
| CN101053859A (en) * | 2006-04-10 | 2007-10-17 | 南通市广益机电有限责任公司 | High-firing-range spraying machine |
| CN101530835A (en) * | 2009-04-21 | 2009-09-16 | 南京林业大学 | Stable state combustion large smoke machine |
| CN202715498U (en) * | 2012-05-01 | 2013-02-06 | 南通市广益机电有限责任公司 | Remote air supply mist and smoke spraying machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102872994A (en) | 2013-01-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102872994B (en) | Long-distance air supply mist and smoke spraying machine | |
| JP2004524500A (en) | Air auxiliary fuel nozzle | |
| CN201225656Y (en) | Air atomizing nozzle | |
| CN101530835B (en) | Stable state combustion large smoke machine | |
| CN101965824B (en) | Jet type smog spraying machine | |
| JP2010274249A (en) | Nozzle | |
| CN202715498U (en) | Remote air supply mist and smoke spraying machine | |
| RU84715U1 (en) | FIRE FIGHTING PLANT | |
| CN102872995B (en) | Long-distance air supply smoke spraying machine | |
| CN201410434Y (en) | Steady-state combustion large-scale fog machine | |
| CN202852883U (en) | Fuel atomization device | |
| CN104061598A (en) | Afterburner oil supply device | |
| CN202700696U (en) | A long-distance pneumatic conveying fog machine | |
| CN102889615A (en) | Fuel oil atomizing device | |
| CN104115808B (en) | Ignition system for smoke sprayers | |
| CN201938263U (en) | Jet type smog drug sprayer | |
| CN108464291B (en) | Pulse combustion diffuse spraying device and flying pesticide diffuse sprayer | |
| CN203290118U (en) | Mist sprayer | |
| KR102030540B1 (en) | Water mist sprayer | |
| CN211563389U (en) | Mist making device, atomizing device and carrier | |
| JPH0331681B2 (en) | ||
| CN102029030B (en) | Method and device for generating foam in high-speed gas jet | |
| CN103931596B (en) | Fog machine | |
| CN2736020Y (en) | Spraying smoke-eliminating machine | |
| JP7085198B2 (en) | Intake cooling device and intake cooling method |
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 |