CN208349291U - A kind of shade type gas burner - Google Patents
A kind of shade type gas burner Download PDFInfo
- Publication number
- CN208349291U CN208349291U CN201820458686.2U CN201820458686U CN208349291U CN 208349291 U CN208349291 U CN 208349291U CN 201820458686 U CN201820458686 U CN 201820458686U CN 208349291 U CN208349291 U CN 208349291U
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- Prior art keywords
- orifice
- fire hole
- interior
- hole wall
- vertical fire
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- 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.)
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Links
- 238000002156 mixing Methods 0.000 claims abstract description 35
- 238000010276 construction Methods 0.000 claims abstract description 20
- 238000005192 partition Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000009826 distribution Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005457 optimization Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 65
- 238000000034 method Methods 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000000567 combustion gas Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000002737 fuel gas Substances 0.000 description 3
- 239000008246 gaseous mixture Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Landscapes
- Gas Burners (AREA)
Abstract
The utility model discloses a kind of shade type gas burners, it is related to technical field of burner, including inner casing, shell, inner casing is equipped with light side gas access, dense side gas access, gas mixing channel and dense side gas vent, casing is set to outside inner casing and forms the dense side blending space of connection between the two, dense side gas access, dense side gas vent is connected to dense side blending space, inner casing top is equipped with orifice construction section, orifice component is equipped in orifice construction section, orifice construction section inner surface is equipped with partition-type structures, partition-type structures make the gap being positioned above as no flow region；Orifice component includes interior orifice and outer orifice, and interior orifice is nested in outer orifice, and gas mixing channel, the gap below partition-type structures and orifice component form the light side blending space of connection.The utility model reaches better gas/air distribution effects, and improve the adaptability of burner by optimization design.
Description
Technical field
The utility model relates to technical field of burner, more particularly to a kind of shade type gas burner.
Background technique
Bias combustion is that nitrogen oxides (NO can be effectively reduced in one kindX) discharge fuel gas buring mode, in domestic gas
Water heater and domestic hot water/heating dual-purpose stove field are widely used.
When studying fuel gas buring process, quality or flowrate proportioning between air and combustion gas are primary problems.Deep or light combustion
The basic principle of burning is: the air/gas mixture before burning is divided into the different two parts of gas concentration, it is part thereof of
Gas concentration is higher, and the gas concentration of another part is then corresponding lower.In this way, NO can be effectively reducedXRow
It puts, which is verified and widely applies in practice.Such as the Japan Patent of Publication No. Japanese Laid-Open Patent Publication 7-42917, compared with
A kind of shade type gas burner early is described, and is widely applied；For another example application No. is CN201080070477's
For the low-NOx combustor of water heater, it is also provided that similar shade type gas burner, obtains good NOx emission
Effect.
Conventional shade burner as depicted in figs. 1 and 2 is mainly made of three parts: inner casing 1a, shell 2a, fire hole
Plate 3a wherein forms dense side blending space between inner casing 1a and shell 2a, gas concentration is relatively high in the space；Orifice 3a
It is placed within inner casing 1a, and forms light side blending space, gas concentration is relatively low in the space, and most of gas/air is mixed
It closes object and all flows through the space.
In inner casing 1a, after combustion gas and air through inlets inflow, a degree of mixing is carried out, and transport along inner casing 1a cavity
It moves to orifice 3a, finally flows out and form flame.In the design, it is necessary to ensure that mixed gas is uniform before flowing into orifice 3a
Distribution, to keep the consistent and uniform of final flame, to reach the target, needs to continue to optimize runner knot in the design process
Structure carries out multiple mold modification, needs very high cost.In addition, fluid has when burner overall width is larger
Biggish diffusion space is easy to reach preferable uniform distribution, once burner overall width becomes smaller, then that is got well is uniform
Property design it is extremely difficult.
For above-mentioned household gas burner, mould development expense is relatively large, and the development cycle is relatively long, and one
It is difficult to carry out subsequent improvement and promotion after denier design typification；And the product type to be adapted to is numerous, it is also difficult to be adjusted to unanimously compared with
Good emission level.Therefore, the change in design space for expanding this design, enhances its adaptability, is problem to be solved.
Utility model content
The utility model in view of the above technical problems, the shortcomings that overcoming the prior art, provides a kind of shade type fuel gas buring
Device reaches better gas/air distribution effects by optimization design, and improves the adaptability of burner.
In order to solve the above technical problems, the utility model provides a kind of shade type gas burner, including it is inner casing, outer
Shell, inner casing are equipped with light side gas access, dense side gas access, gas mixing channel and dense side gas vent, and light side gas enters
Mouth is located at the front end in gas mixing channel, and casing is set to outside inner casing and is formed between the two the dense side blending space of connection, dense
Side gas access, dense side gas vent are connected to dense side blending space, and inner casing top is equipped with orifice construction section, orifice installation
Orifice component is equipped in section, there are gap between orifice construction section and orifice component, on orifice construction section inner surface
Equipped with partition-type structures, partition-type structures make the gap being positioned above as no flow region；
Orifice component includes interior orifice and outer orifice, and interior orifice is nested in outer orifice, and gas mixing is logical
Road, the gap below partition-type structures and orifice component form the light side blending space of connection.
Technical effect: it emphasizes that optimization mixing section is evenly distributed in width direction to reach gaseous mixture with traditional technology, and leads
The bigger feature of burner design difficulty for causing size smaller is different, and the utility model can be into for various sizes of burner
Accommodating adjusted design.The utility model is designed by corresponding orifice, weakens the design of mixing runner before orifice
It is required that can targetedly adjust gaseous mixture distribution regardless of the gaseous mixture distribution after mixing section, reach left and right fire
The uniform purpose of flame.Therefore, the utility model can improve mixed airflow field uniformity while reducing burner width,
It is adaptable, at low cost.
The technical solution that the utility model further limits is:
Further, interior orifice is in N-shaped, including interior vertical fire hole wall one, interior vertical fire hole wall two and interior horizontal fire hole
Wall, interior vertical fire hole wall one and interior vertical fire hole wall two are oppositely arranged and are formed between the two vertically inner flow passage, interior horizontal fire hole
The top of vertical fire hole wall one and interior vertical fire hole wall two in wall connection；Interior horizontal fire hole wall is equipped with several equally distributed interior
Fire hole.
A kind of preceding shade type gas burner is symmetrically arranged on interior vertical fire hole wall one and interior vertical fire hole wall two
Several equally distributed interior locating slots, the partition between interior locating slot and adjacent interior fire hole are aligned.
A kind of preceding shade type gas burner, outer orifice is U-shaped, including outer vertical fire hole wall one, outer vertical
Fire hole wall two and outer water mean flow wall, outer vertical fire hole wall one and outer vertical fire hole wall two are oppositely arranged vertically, outer vertical fire hole
It is respectively formed outer flow passage between wall one and interior vertical fire hole wall one, between outer vertical fire hole wall two and interior vertical fire hole wall two, outside
The bottom of the connection of water mean flow wall outer vertical fire hole wall one and outer vertical fire hole wall two；Outer water mean flow wall is equipped with several uniform
The equal discharge orifice of distribution.
A kind of preceding shade type gas burner, the spacing between adjacent equal discharge orifice determine identical or not on demand
Together, equal discharge orifice is along outer vertical fire hole wall one and outer vertical fire hole wall two upwardly extends and its shape, extending direction determine on demand.
A kind of preceding shade type gas burner is symmetrically arranged on outer vertical fire hole wall one and outer vertical fire hole wall two
Several equally distributed outer locating slots, the partition between outer locating slot and adjacent interior fire hole is aligned and inwardly orifice is recessed, tool
There is vertical inner surface, vertical inner surface is bonded with interior vertical fire hole wall one and interior vertical fire hole wall two respectively.
A kind of preceding shade type gas burner, partition-type structures are as follows: orifice construction section is equipped with strip and outward fire
The partition grooves and limiting slot of orifice plate recess, partition grooves are located above limiting slot, and partition grooves and limiting slot have and outer orifice patch
The position of conjunction.
A kind of preceding shade type gas burner, cover top portion are equipped with the gantry of several connection two sidewalls.
A kind of preceding shade type gas burner is respectively equipped on shell and inner casing in being overlapped the several outer of position
Location hole and interior location hole, interior location hole are equipped with riveting flange.
The beneficial effects of the utility model are:
(1) partition grooves ensure that all mixed gas in gas mixing channel all flow into fire hole in the utility model
In board group part, so that having the isolated area flowed through without gas between internal light fire hole and external dense fire hole, in the isolated area
It will form certain air flow swirl, reinforce the viscosity between thick and thin flame, avoid the generation of de- fire and combustion vibration；
(2) limiting slot has the position being bonded with outer orifice in the utility model, and the lower edge of external orifice plays branch
Support positioning action, it is ensured that orifice component is mounted as a whole on correct position；
(3) equal discharge orifice can adjust gas flowfield before mixed gas enters orifice component in the utility model
It is whole, make into outer orifice mixed gas distribution it is more uniform and steady, in addition, discharge orifice distribution can easily into
Row adjusts, for example the size and spacing in each hole are adjusted according to air flow method；
(4) the internal orifice of outer locating slot on the utility model China and foreign countries orifice plays fixed function；
(5) in the utility model on the one hand the portal structure of cover top portion plays the role of positioning shell two sides, avoids
Two sidewalls expand outwardly after solution thermal expansion；On the other hand cooperate with the limiting slot of inner casing, play to orifice component up and down direction
Positioning action；
(6) the utility model China and foreign countries location hole and interior location hole not only act as positioning action, while also having riveting effect,
Ensure the leakproofness of inside and outside shell.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of shade burner in background technique；
Fig. 2 is the inner casing schematic diagram of shade burner in background technique；
Fig. 3 is shade burner entirety perspective view of the explosion in embodiment 1；
Fig. 4 is orifice component diagram in embodiment 1；
Fig. 5 is interior orifice schematic diagram in embodiment 1；
Fig. 6 is 1 China and foreign countries' orifice schematic diagram of embodiment；
Fig. 7 is inner casing schematic diagram in embodiment 1；
Wherein: 1, inner casing；11, orifice construction section；111, partition grooves；112, limiting slot；12, interior location hole；2, shell；
21, outer location hole；22, gantry；31, interior orifice；311, interior vertical fire hole wall one；312, interior vertical fire hole wall two；313, interior
Horizontal fire hole wall；；314, interior fire hole；315, interior locating slot；32, outer orifice；321, outer vertical fire hole wall one；322, outer vertical
Fire hole wall two；323, outer water mean flow wall；324, equal discharge orifice；325, outer locating slot；4, light side gas access；5, dense side gas enters
Mouthful；6, gas mixing channel；7, dense side gas vent.
Specific embodiment
Embodiment 1
A kind of shade type gas burner provided in this embodiment, structure as shown in fig. 3 to 7, including inner casing 1, shell 2.Outside
The gantry 22 of several connection two sidewalls is equipped at the top of shell 2.It is respectively equipped on shell 2 and inner casing 1 in the several outer of coincidence position
Location hole 21 and interior location hole 12, interior location hole 12 are equipped with riveting flange.
Inner casing 1 is equipped with light side gas access 4, dense side gas access 5, gas mixing channel 6 and dense side gas vent 7,
Light side gas access 4 is located at the front end in gas mixing channel 6.Shell 2 is sheathed on outside inner casing 1 and forms the dense of connection between the two
Side blending space, dense side gas access 5, dense side gas vent 7 are connected to dense side blending space.
1 top of inner casing is equipped with orifice construction section 11, and there are gap, fire between orifice construction section 11 and orifice component
11 inner surface of orifice plate construction section is equipped with partition-type structures, and partition-type structures make the gap being positioned above as no flow region.
Partition-type structures specifically: orifice construction section 11 is equipped with the partition grooves 111 and limiting slot that strip and outside orifice 32 are recessed
112, partition grooves 111 are located at 112 top of limiting slot, and partition grooves 111 and limiting slot 112 can be horizontal strip, it is possible to have
Radian, limiting slot 112 can be determined continuously or discontinuously according to actual needs.Partition grooves 111 and limiting slot 112 have with
The position that outer orifice 32 is bonded.
It is equipped with orifice component in orifice construction section 11, forms light side blending space between inner casing 1 and orifice component,
Gas mixing channel 6 is connected to light side gas access 4, light side blending space respectively, dense side gas vent 7 respectively with dense side gas
Entrance 5, the connection of dense side blending space.
Orifice component includes interior orifice 31 and outer orifice 32, and interior orifice 31 is nested in outer orifice 32, gas
Body hybrid channel 6, the gap below partition-type structures and orifice component form the light side blending space of connection.
Interior orifice 31 is in N-shaped, including interior vertical fire hole wall 1, interior vertical fire hole wall 2 312 and interior horizontal fire hole wall
313, interior vertical fire hole wall 1 and interior vertical fire hole wall 2 312 are oppositely arranged and are formed between the two vertically inner flow passage, interior stream
The width in road about 0.7-1.5mm.Interior horizontal fire hole wall 313 connects interior vertical fire hole wall 1 and interior vertical fire hole wall 2 312
Top, interior horizontal fire hole wall 313 are equipped with 4 equally distributed interior fire holes 314, and the size of interior fire hole 314 is 14 × 0.6mm,
The length and width can be modified according to actual needs, and the size of each interior fire hole 314 can also be mixed according to before interior fire hole 314
The distribution situation for closing airflow field changes.It is symmetrically arranged on interior vertical fire hole wall 1 and interior vertical fire hole wall 2 312 several
Equally distributed interior locating slot 315, the partition between interior locating slot 315 and adjacent interior fire hole 314 are aligned.
Outer orifice 32 is U-shaped, including outer vertical fire hole wall 1, outer vertical fire hole wall 2 322 and outer water mean flow wall
323, outer vertical fire hole wall 1 and outer vertical fire hole wall 2 322 are oppositely arranged vertically, outer vertical fire hole wall 1 and interior perpendicular
Outer flow passage, outer water are respectively formed between straight fire hole wall 1, between outer vertical fire hole wall 2 322 and interior vertical fire hole wall 2 312
Mean flow wall 323 connects the bottom of outer vertical fire hole wall 1 and outer vertical fire hole wall 2 322.It is set on outer water mean flow wall 323
There are several equally distributed equal discharge orifices 324, width, spacing and the quantity of equal discharge orifice 324 are according to the gas before outer orifice 32
Flow field is adjusted, and equal discharge orifice 324 may not be uniformly distributed, it may be possible to which non-uniform, the spacing between adjacent equal discharge orifice 324 is on-demand
Determine it is same or different, meanwhile, the shape of equal discharge orifice 324 also adjusts according to the actual situation.Equal discharge orifice 324 is along outer vertical fire hole
Wall 1 and outer vertical fire hole wall 2 322 upwardly extends and its shape, extending direction determine on demand, further to adjust flow field.
Several equally distributed outer locating slots are symmetrically arranged on outer vertical fire hole wall 1 and outer vertical fire hole wall 2 322
325, the partition between outer locating slot 325 and adjacent interior fire hole 314 is aligned and inwardly orifice 31 is recessed, and has table in vertical
Face, vertical inner surface are bonded with interior vertical fire hole wall 1 and interior vertical fire hole wall 2 312 respectively.
When work, the combustion gas of major part and air mixture enter from light side gas access 4, and in gas mixing channel
It is mixed in 6, subsequently enters the outer flow passage that the outer orifice 32 installed in orifice construction section 11 and interior orifice 31 are constituted
It is final to flow out burner and burn in inner flow passage, form the relatively low light side flame of gas concentration；Smaller part of combustion gas
Then enter from dense side gas access 5 with air mixture, is then sprayed from dense side gas vent 7, and enter shell 2 and inner casing 1
It is mixed in the interlayer fluid channel of composition, it is final to flow out burner and burn, form the relatively high dense side of gas concentration
Flame.On the whole, dense side flame is in the outside of combustion zone, and flow is few, and flame is lower；Light side flame is in combustion zone
Inside, flow is big, and flame is higher.On the one hand this combustion system has good effect to reduction discharged nitrous oxides, on the other hand
It also ensures the stability of flame and passes the reliability of fiery process.
Embodiment 2
A kind of installation method of shade type gas burner applied to embodiment 1, comprising the following steps:
Interior orifice 31 is placed within outer orifice 32, orifice component is formed；
Orifice component is placed in the orifice construction section 11 of inner casing 1；
Shell 2 is sheathed on outside inner casing 1, outer location hole 21 is aligned and is riveted with interior location hole 12, is formed deep or light
Type gas burner finished product.
In addition to the implementation, the utility model can also have other embodiments；It is all to use equivalent replacement or equivalent change
The technical solution to be formed is changed, the protection scope of the requires of the utility model is all fallen within.
Claims (8)
1. a kind of shade type gas burner, including inner casing (1), shell (2), the inner casing (1) is equipped with light side gas access
(4), dense side gas access (5), gas mixing channel (6) and dense side gas vent (7), the light side gas access (4) are located at
The front end of the gas mixing channel (6), the shell (2) are sheathed on the inner casing (1) outside and form connection between the two
Dense side blending space, the dense side gas access (5), the dense side gas vent (7) are connected to the dense side blending space,
Be characterized in that: inner casing (1) top is equipped with orifice construction section (11), and orifice is equipped in the orifice construction section (11)
Component, there are gap between the orifice construction section (11) and the orifice component, the orifice construction section (11) is interior
Surface is equipped with partition-type structures, and the partition-type structures make the gap being positioned above as no flow region；The fire
Orifice plate component includes interior orifice (31) and outer orifice (32), and the interior orifice (31) is nested in the outer orifice (32)
Interior, the gas mixing channel (6), the gap below the partition-type structures and the orifice component, which are formed, to be connected
Logical light side blending space；
The interior orifice (31) is in N-shaped, including interior vertical fire hole wall one (311), interior vertical fire hole wall two (312) and interior level
Fire hole wall (313), the interior vertical fire hole wall one (311) and the interior vertical fire hole wall two (312) are oppositely arranged and two vertically
Form inner flow passage between person, the interior horizontal fire hole wall (313) connect the interior vertical fire hole wall one (311) and it is described it is interior vertically
The top of fire hole wall two (312)；The interior horizontal fire hole wall (313) is equipped with several equally distributed interior fire holes (314).
2. a kind of shade type gas burner according to claim 1, it is characterised in that: the interior vertical fire hole wall one
(311) and on the interior vertical fire hole wall two (312) several equally distributed interior locating slots (315) are symmetrically arranged with, it is described default
Position slot (315) is aligned with the partition between the adjacent interior fire hole (314).
3. a kind of shade type gas burner according to claim 1, it is characterised in that: the outer orifice (32) is in U
Type, including outer vertical fire hole wall one (321), outer vertical fire hole wall two (322) and outer water mean flow wall (323), it is described outer vertical
Fire hole wall one (321) and the outer vertical fire hole wall two (322) are oppositely arranged vertically, the outer vertical fire hole wall one (321) and
Between the interior vertical fire hole wall one (311), the outer vertical fire hole wall two (322) and the interior vertical fire hole wall two (312)
Between be respectively formed outer flow passage, the outer water mean flow wall (323) connects the outer vertical fire hole wall one (321) and described outer erects
The bottom of straight fire hole wall two (322)；The outer water mean flow wall (323) is equipped with several equal discharge orifices (324).
4. a kind of shade type gas burner according to claim 3, it is characterised in that: the adjacent equal discharge orifice (324)
Between spacing determine on demand same or different, the equal discharge orifice (324) is along the outer vertical fire hole wall one (321) and described
Outer vertical fire hole wall two (322) upwardly extends and its shape, extending direction determine on demand.
5. a kind of shade type gas burner according to claim 3, it is characterised in that: the outer vertical fire hole wall one
(321) and on the outer vertical fire hole wall two (322) several equally distributed outer locating slots (325) are symmetrically arranged with, it is described outer fixed
Partition between position slot (325) and the adjacent interior fire hole (314) is aligned and is recessed to the interior orifice (31), and it is vertical to have
Inner surface, the vertical inner surface are pasted with the interior vertical fire hole wall one (311) and the interior vertical fire hole wall two (312) respectively
It closes.
6. a kind of shade type gas burner according to claim 1, it is characterised in that: the partition-type structures are as follows: described
The partition grooves (111) and limiting slot (112) that orifice construction section (11) is equipped with strip and is recessed to the outer orifice (32), institute
It states partition grooves (111) to be located above the limiting slot (112), the partition grooves (111) and the limiting slot (112) have and institute
State the position of outer orifice (32) fitting.
7. a kind of shade type gas burner according to claim 1, it is characterised in that: be equipped at the top of the shell (2)
The gantry (22) of several connection two sidewalls.
8. a kind of shade type gas burner according to claim 1, it is characterised in that: the shell (2) and inner casing (1)
On be respectively equipped in be overlapped position several outer location holes (21) and interior location hole (12), the interior location hole (12) be equipped with
Flange is used in riveting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820458686.2U CN208349291U (en) | 2018-04-03 | 2018-04-03 | A kind of shade type gas burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820458686.2U CN208349291U (en) | 2018-04-03 | 2018-04-03 | A kind of shade type gas burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208349291U true CN208349291U (en) | 2019-01-08 |
Family
ID=64884699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820458686.2U Withdrawn - After Issue CN208349291U (en) | 2018-04-03 | 2018-04-03 | A kind of shade type gas burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208349291U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361699A (en) * | 2018-04-03 | 2018-08-03 | 苏州来美精密机械有限公司 | A kind of shade type gas burner and its installation method |
-
2018
- 2018-04-03 CN CN201820458686.2U patent/CN208349291U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361699A (en) * | 2018-04-03 | 2018-08-03 | 苏州来美精密机械有限公司 | A kind of shade type gas burner and its installation method |
| CN108361699B (en) * | 2018-04-03 | 2024-04-19 | 来美能源科技无锡有限公司 | Thick and thin type gas burner and installation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190108 Effective date of abandoning: 20240419 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190108 Effective date of abandoning: 20240419 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |