CN107676784A - A kind of cooker burner - Google Patents
A kind of cooker burner Download PDFInfo
- Publication number
- CN107676784A CN107676784A CN201710956363.6A CN201710956363A CN107676784A CN 107676784 A CN107676784 A CN 107676784A CN 201710956363 A CN201710956363 A CN 201710956363A CN 107676784 A CN107676784 A CN 107676784A
- Authority
- CN
- China
- Prior art keywords
- outer shroud
- fire cover
- air cavity
- distributor
- burner
- 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.)
- Pending
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000002828 fuel tank Substances 0.000 claims abstract description 15
- 239000000567 combustion gas Substances 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims abstract description 10
- 230000006698 induction Effects 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 claims abstract description 7
- 238000003780 insertion Methods 0.000 claims abstract description 6
- 230000037431 insertion Effects 0.000 claims abstract description 6
- 238000002485 combustion reaction Methods 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
- F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
- F23D14/08—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with axial outlets at the burner head
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
A kind of cooker burner, including burner, distributor, inner fire cover, external ring fire cover, ignition electrode and thermocouple, the burner includes outer shroud and mixes air cavity, outer induction tunnel, inner fire cover pedestal and inner ring inlet channel, inner fire cover pedestal includes seat board and inner fire cover seat, and inner ring inlet channel includes vertical component effect and horizontal part；Distributor includes annular pedestal, the outer shroud fuel tank being arranged on upper axial end face, the intake interface being arranged on lower axial end face, several axial blast tube and the radial second airports for connecting intake interface with outer shroud fuel tank；The intake interface insertion outer shroud of distributor is mixed in the inner joint of air cavity, and outer shroud mixes the upper end support annular pedestal of air cavity, and external ring fire cover fastens with outer shroud fuel tank；Inner fire cover fastens with inner fire cover seat.Combustion gas and air Mixture are mixed in air cavity in outer shroud to be evenly distributed, and the quantity of axle gas blast tube is more, is evenly distributed into the combustion gas in outer shroud fuel tank, and combustion gas is abundant, improves efficiency.
Description
Technical field
The present invention relates to a kind of cooker burner.
Background technology
Currently available technology, a kind of cooker burner, including burner, distributor, inner fire cover, external ring fire cover, ignition electrode and
Thermocouple, external ring fire cover fasten with distributor.Problem be present is：Combustion gas skewness, efficiency are low.
The content of the invention
The purpose of the present invention is：A kind of cooker burner is provided, it has combustion gas and is evenly distributed, and burning is abundant, and efficiency is high
Feature.
What the present invention was realized in：A kind of cooker burner, including burner, distributor, inner fire cover, external ring fire cover, point
Fiery pin and thermocouple, external ring fire cover fasten with distributor；It is characterized in that：The outer shroud that the burner includes annular mixes gas
Chamber, outer induction tunnel, inner fire cover pedestal and the inner ring inlet channel that air cavity communicates are mixed with outer shroud,
Inner fire cover pedestal includes seat board and is arranged on the inner fire cover seat at seat board center, the inner chamber insertion seat board of inner fire cover seat, seat board
On be provided with fire point pin mounting hole and thermocouple mounting hole；Inner ring inlet channel includes vertical component effect and horizontal part；
Seat board covering outer shroud mixes the top of the inner ring wallboard of air cavity, and the bottom that horizontal part mixes air cavity through outer shroud stretches into, vertical component effect with
The lower end connection of inner fire cover seat；Outer induction tunnel mixes air cavity with outer shroud and communicated；Burner one-shot forming is made；
Distributor includes annular pedestal, the outer shroud fuel tank being arranged on upper axial end face, is arranged on lower axial end face
Intake interface, several axial blast tubes that intake interface is connected with outer shroud fuel tank and positioned at adjacent two axial combustion gas
Radial second airport between passage；
The intake interface insertion outer shroud of distributor is mixed in the inner joint of air cavity, and outer shroud mixes the upper end support annular pedestal of air cavity,
External ring fire cover fastens with outer shroud fuel tank；Inner fire cover fastens with inner fire cover seat.
A kind of described cooker burner, it is characterized in that：The outer induction tunnel and outer shroud mix air cavity and are connected place
For basic point, outer shroud mix air cavity bottom plate is left-handed and clockwise direction spiral, outer shroud mixes the volume of air cavity to left-handed and dextrorotation side
To tapering into.
A kind of described cooker burner, it is characterized in that：The radial second airport and axial blast tube
It is rounded.
A kind of described cooker burner, it is characterized in that：Also include rosette, rosette include cylinder portions and
Truncated cone portion；
Annular seat board is provided with the annular pedestal, annular seat board is located at the annular pedestal on radial second airport top
On；The distributor is stretched into cylinder portions, annular seat board support tube housing portion, the upper surfaces of cylinder portions and distributor it is upper
End face is concordant；Or cylinder portions are stretched into the upper end of distributor.
A kind of described cooker burner, it is characterized in that：The inner fire cover include lamina tecti, tubular burning seat and
The igniting guide plate being arranged on lamina tecti, set electric discharge raised on guide plate of lighting a fire；Burner port is provided with tubular burning seat
With ignition hole；
The axis of burner port and the horizontal plane of lower section have acute angle, and it is in turbination that axis is intersecting；The axis in ignition hole
With plane-parallel, ignition hole and the raised gap between ignition electrode of electric discharge are relative, the discharge end of the ignition electrode with
Electric discharge is raised relative；
The external ring fire cover is ignited block including inner ring wallboard, apical ring shape plate portion, outer shroud wallboard and igniting, and apical ring shape plate portion includes top
Annulus plate portion and rounding taper type plate portion；The large-scale combustion hole of circular distribution and the small burning of circular distribution are provided with outer shroud wallboard
Hole, large-scale combustion hole position is in small burner port top and the alternate setting of large and small burner port；
Igniting block of igniting be connected with rounding taper type plate portion, and lighting a fire to ignite is arranged on igniting fire tank on block, fire tank edge of lighting a fire
Igniting ignite block radial direction and penetrate apical ring shape plate portion and communicated with external ring fire cover inner chamber；Igniting fire tank and electric discharge projection and point
Gap between fiery pin is relative.
A kind of described cooker burner, it is characterized in that：The igniting guide plate is adjacent with the lamina tecti
One end is provided with ignition slot；Ignition slot circumference both ends open.
A kind of described cooker burner, it is characterized in that：Also include gas injection valve, spring and swivel nut,
It is equally distributed that the inlet end of the horizontal part of the inner ring inlet channel is provided with internal thread, external screw thread and circular horizontal part
At least two air ejection holes, gas injection valve and internal screw-thread screw；Spring housing is on horizontal part, the annular of one end and horizontal part
Platform coordinates, the other end and swivel nut coordinate；The area in swivel nut regulation air ejection hole..
A kind of cooker burner of the present invention, due to structure as use, combustion gas and air Mixture mix air cavity in outer shroud
Inside it is evenly distributed, the quantity of axle gas blast tube is more, is evenly distributed into the combustion gas in outer shroud fuel tank, and combustion gas is abundant, improves
Efficiency.
Brief description of the drawings
Fig. 1 is the top view of the present invention.
Fig. 2 is Fig. 1 A-A views.
Fig. 3 is Fig. 1 B-B views.
Fig. 4 is Fig. 1 C-C views.
Fig. 5 is one of three-dimensional exploded view of the present invention.
Fig. 6 is the two of the three-dimensional exploded view of the present invention.
Fig. 7 is the sectional perspective exploded view of the present invention.
Fig. 8 is the stereogram of the present invention.
Fig. 9 is the overall pattern of burner of the present invention.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of cooker burner, including burner 1, distributor 2, inner fire cover 3, external ring fire cover 4,
Ignition electrode 5 and thermocouple 6, external ring fire cover 3 fasten with distributor 2；The outer shroud of the burner 1 including annular mix air cavity 11, with
Outer shroud mixes outer induction tunnel 12, inner fire cover pedestal and the inner ring inlet channel 13 that air cavity communicates,
Inner fire cover pedestal includes seat board 141 and is arranged on the inner fire cover seat 142 at seat board center, the inner chamber insertion of inner fire cover seat 142
Seat board 141, fire point pin mounting hole 1411 and thermocouple mounting hole 1422 are provided with seat board 141；Inner ring inlet channel 13 includes
Vertical component effect 131 and horizontal part 132；
Seat board 141 covers the top that outer shroud mixes the inner ring wallboard of air cavity 11, and the bottom that horizontal part 132 mixes air cavity 11 through outer shroud is stretched
Enter, vertical component effect 131 connects with the lower end of inner fire cover seat 142；Outer induction tunnel 12 mixes air cavity 11 with outer shroud and communicated；Burner 1 once into
Type is made；
Distributor 2 includes annular pedestal 21, the outer shroud fuel tank 22 being arranged on upper axial end face, is arranged on lower axial end face
On intake interface 23, several axial blast tubes 24 for connecting intake interface 23 with outer shroud fuel tank 22 and positioned at adjacent
Radial second airport 25 between two axial blast tubes；
The intake interface 23 of distributor 2 inserts outer shroud and mixed in the inner joint of air cavity 11, and outer shroud mixes the upper end support annulus of air cavity 11
Shape pedestal 21, external ring fire cover 4 fasten with outer shroud fuel tank 22；Inner fire cover 3 fastens with inner fire cover seat 142.
It is basic point that the outer induction tunnel 12 mixes the place of being connected of air cavity 11 with outer shroud, and the bottom plate that outer shroud mixes air cavity 11 is left-handed and right
Direction spiral is revolved, the volume that outer shroud mixes air cavity 11 tapers into left-handed and clockwise direction.
The radial second airport 25 and axial blast tube 24 are rounded.
Outer shroud mixes air cavity 11, and the setting of several axial blast tubes 24, it is ensured that into outer shroud fuel tank 22
Combustion gas and air Mixture are uniformly distributed, and combustion gas is abundant, improve Energy Efficiency Ratio.
Also include rosette 7, rosette 7 includes cylinder portions 71 and truncated cone portion 72；
Annular seat board 211 is provided with the annular pedestal 21, annular seat board 211 is located at the top of radial second airport 25
On annular pedestal 21；The distributor 2 is stretched into cylinder portions 71, the annular support tube housing portion 71 of seat board 211, cylinder portions
71 upper surface is concordant with the upper surface of distributor 2；Or cylinder portions 51 are stretched into the upper end of distributor 2.Using such structure,
Prevent it being that external ring fire cover burning produces upward pulling force, and air moves up using process, truncated cone portion 72 can to
On gas barrier, it is ensured that into radial second airport.
The inner fire cover 3 includes lamina tecti 31, tubular burning seat 32 and the igniting guide plate 33 being arranged on lamina tecti, point
Electric discharge projection 331 is set on fiery guide plate 33；Burner port 321 and ignition hole 322 are provided with tubular burning seat 32；
The axis of burner port 321 and the horizontal plane of lower section have acute angle, and it is in turbination that axis is intersecting；Ignition hole 322
Axis and plane-parallel, ignition hole 322 and electric discharge projection 331 and ignition electrode 5 between gap it is relative, the igniting
The discharge end of pin 5 is relative with electric discharge projection 331；
The igniting guide plate 33 one end adjacent with the lamina tecti 31 is provided with ignition slot 332；332 circumferential both ends of ignition slot
Opening.
The external ring fire cover 4 is ignited block 44 including inner ring wallboard 41, apical ring shape plate portion 42, outer shroud wallboard 43 and igniting, top
Annular plate portion 42 includes tip circle ring flat-plate portion 421 and rounding taper type plate portion 422；Rounded distribution is provided with outer shroud wallboard 43
Large-scale combustion hole 431 and the small burner port 432 of circular distribution, large-scale combustion hole 431 are located at the top of small burner port 432 and large and small combustion
Hole burning 431,432 alternate settings；
Igniting block 44 of igniting is connected with rounding taper type plate portion 422, and igniting is ignited and is arranged on fire tank 441 of lighting a fire, point on block 44
Fiery fire tank 441 along igniting ignite block 44 radial direction and penetrate apical ring shape plate portion 42 and communicated with the inner chamber of external ring fire cover 4；Igniting is drawn
Gap between fiery groove 441 and electric discharge projection 331 and ignition electrode 5 is relative.
As a further improvement on the present invention：As shown in Fig. 1, Fig. 4 and Fig. 7, in addition to gas injection valve 8, spring 9 and spiral shell
Set 10,
It is uniform that the inlet end of the horizontal part 132 of the inner ring inlet channel 13 is provided with internal thread, external screw thread and circular horizontal part
At least two air ejection holes 1321 of distribution, gas injection valve 8 and internal screw-thread screw；Spring 9 is enclosed on horizontal part 132, and one
Hold and coordinate with the cooperation of the annular table of horizontal part 132, the other end and swivel nut 10；Swivel nut 10 adjusts the area in air ejection hole 1321.
Above-described is only the preferred embodiments of the present invention.It should be pointed out that the ordinary skill for this area
For personnel, without departing from the principles of the present invention, some improvement and modification can also be made, this is also considered as the present invention's
Protection domain.
Claims (7)
1. a kind of cooker burner, including burner, distributor, inner fire cover, external ring fire cover, ignition electrode and thermocouple, external ring fire cover
Fastened with distributor；It is characterized in that：The outer shroud of the burner including annular mixes air cavity, outer drawing of being communicated with the mixed air cavity of outer shroud
Pipe, inner fire cover pedestal and inner ring inlet channel are penetrated,
Inner fire cover pedestal includes seat board and is arranged on the inner fire cover seat at seat board center, the inner chamber insertion seat board of inner fire cover seat, seat board
On be provided with fire point pin mounting hole and thermocouple mounting hole；Inner ring inlet channel includes vertical component effect and horizontal part；
Seat board covering outer shroud mixes the top of the inner ring wallboard of air cavity, and the bottom that horizontal part mixes air cavity through outer shroud stretches into, vertical component effect with
The lower end connection of inner fire cover seat；Outer induction tunnel mixes air cavity with outer shroud and communicated；Burner one-shot forming is made；
Distributor includes annular pedestal, the outer shroud fuel tank being arranged on upper axial end face, is arranged on lower axial end face
Intake interface, several axial blast tubes that intake interface is connected with outer shroud fuel tank and positioned at adjacent two axial combustion gas
Radial second airport between passage；
The intake interface insertion outer shroud of distributor is mixed in the inner joint of air cavity, and outer shroud mixes the upper end support annular pedestal of air cavity,
External ring fire cover fastens with outer shroud fuel tank；Inner fire cover fastens with inner fire cover seat.
A kind of 2. cooker burner according to claim 1, it is characterised in that：The outer induction tunnel mixes air cavity phase with outer shroud
Connectivity part is basic point, outer shroud mix air cavity bottom plate is left-handed and clockwise direction spiral, outer shroud mix the volume of air cavity to left-handed and
Clockwise direction tapers into.
A kind of 3. cooker burner according to claim 1, it is characterised in that：The radial second airport and axially combustion
Gas passage is rounded.
A kind of 4. cooker burner according to claim 1, it is characterised in that：Also include rosette, rosette includes cylinder
Housing portion and truncated cone portion；
Annular seat board is provided with the annular pedestal, annular seat board is located at the annular pedestal on radial second airport top
On；The distributor is stretched into cylinder portions, annular seat board support tube housing portion, the upper surfaces of cylinder portions and distributor it is upper
End face is concordant；Or cylinder portions are stretched into the upper end of distributor.
A kind of 5. cooker burner according to claim 1, it is characterised in that：The inner fire cover includes lamina tecti, tubular
Burning seat and the igniting guide plate that is arranged on lamina tecti, set electric discharge raised on guide plate of lighting a fire；Set on tubular burning seat
There are burner port and ignition hole；
The axis of burner port and the horizontal plane of lower section have acute angle, and it is in turbination that axis is intersecting；The axis in ignition hole
With plane-parallel, ignition hole and the raised gap between ignition electrode of electric discharge are relative, the discharge end of the ignition electrode with
Electric discharge is raised relative；
The external ring fire cover is ignited block including inner ring wallboard, apical ring shape plate portion, outer shroud wallboard and igniting, and apical ring shape plate portion includes top
Annulus plate portion and rounding taper type plate portion；The large-scale combustion hole of circular distribution and the small burning of circular distribution are provided with outer shroud wallboard
Hole, large-scale combustion hole position is in small burner port top and the alternate setting of large and small burner port；
Igniting block of igniting be connected with rounding taper type plate portion, and lighting a fire to ignite is arranged on igniting fire tank on block, fire tank edge of lighting a fire
Igniting ignite block radial direction and penetrate apical ring shape plate portion and communicated with external ring fire cover inner chamber；Igniting fire tank and electric discharge projection and point
Gap between fiery pin is relative.
A kind of 6. cooker burner according to claim 5, it is characterised in that：The igniting guide plate and the lamina tecti
Adjacent one end is provided with ignition slot；Ignition slot circumference both ends open.
A kind of 7. cooker burner described in claim 1,2,3,4,5 or 6, it is characterised in that：Also include gas injection valve, bullet
Spring and swivel nut,
It is equally distributed that the inlet end of the horizontal part of the inner ring inlet channel is provided with internal thread, external screw thread and circular horizontal part
At least two air ejection holes, gas injection valve and internal screw-thread screw；Spring housing is on horizontal part, the annular of one end and horizontal part
Platform coordinates, the other end and swivel nut coordinate；The area in swivel nut regulation air ejection hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710956363.6A CN107676784A (en) | 2017-10-16 | 2017-10-16 | A kind of cooker burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710956363.6A CN107676784A (en) | 2017-10-16 | 2017-10-16 | A kind of cooker burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107676784A true CN107676784A (en) | 2018-02-09 |
Family
ID=61141501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710956363.6A Pending CN107676784A (en) | 2017-10-16 | 2017-10-16 | A kind of cooker burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107676784A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595608A (en) * | 2018-12-18 | 2019-04-09 | 成都前锋电子有限责任公司 | It is a kind of it is easy adjust, high combustion efficiency and have energy-gathering ring kitchen range |
| CN109595603A (en) * | 2018-12-18 | 2019-04-09 | 成都前锋电子有限责任公司 | A kind of fire distributor for gas cookers |
| TWI798340B (en) * | 2018-02-20 | 2023-04-11 | 日商林內有限公司 | Cooking stove burner |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2793563Y (en) * | 2005-05-27 | 2006-07-05 | 浙江普田电器有限公司 | Double jetting burner with upward air intake of household gas cooker |
| CN203980281U (en) * | 2014-07-21 | 2014-12-03 | 中山市星立方厨房科技有限公司 | A kind of burner that improves air ejection |
| CN206207411U (en) * | 2016-10-08 | 2017-05-31 | 广东星立方厨房科技有限公司 | A kind of high-power upper air inlet cooker burner |
| CN206291208U (en) * | 2016-11-16 | 2017-06-30 | 中山金木楠智能家居有限公司 | A kind of high-power formula cooker burner easy to clean |
| CN107062228A (en) * | 2017-01-17 | 2017-08-18 | 中山市华创燃具制造有限公司 | A kind of high-power three fire-ring stove burner |
| CN206556020U (en) * | 2017-01-17 | 2017-10-13 | 中山市华创燃具制造有限公司 | A kind of high-power three fire-ring stove burner |
| CN207501146U (en) * | 2017-10-16 | 2018-06-15 | 中山市华创燃具制造有限公司 | A kind of cooker burner |
-
2017
- 2017-10-16 CN CN201710956363.6A patent/CN107676784A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2793563Y (en) * | 2005-05-27 | 2006-07-05 | 浙江普田电器有限公司 | Double jetting burner with upward air intake of household gas cooker |
| CN203980281U (en) * | 2014-07-21 | 2014-12-03 | 中山市星立方厨房科技有限公司 | A kind of burner that improves air ejection |
| CN206207411U (en) * | 2016-10-08 | 2017-05-31 | 广东星立方厨房科技有限公司 | A kind of high-power upper air inlet cooker burner |
| CN206291208U (en) * | 2016-11-16 | 2017-06-30 | 中山金木楠智能家居有限公司 | A kind of high-power formula cooker burner easy to clean |
| CN107062228A (en) * | 2017-01-17 | 2017-08-18 | 中山市华创燃具制造有限公司 | A kind of high-power three fire-ring stove burner |
| CN206556020U (en) * | 2017-01-17 | 2017-10-13 | 中山市华创燃具制造有限公司 | A kind of high-power three fire-ring stove burner |
| CN207501146U (en) * | 2017-10-16 | 2018-06-15 | 中山市华创燃具制造有限公司 | A kind of cooker burner |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI798340B (en) * | 2018-02-20 | 2023-04-11 | 日商林內有限公司 | Cooking stove burner |
| CN109595608A (en) * | 2018-12-18 | 2019-04-09 | 成都前锋电子有限责任公司 | It is a kind of it is easy adjust, high combustion efficiency and have energy-gathering ring kitchen range |
| CN109595603A (en) * | 2018-12-18 | 2019-04-09 | 成都前锋电子有限责任公司 | A kind of fire distributor for gas cookers |
| CN109595603B (en) * | 2018-12-18 | 2023-12-29 | 成都前锋电子有限责任公司 | Distributor for gas cooker |
| CN109595608B (en) * | 2018-12-18 | 2024-04-05 | 成都前锋电子有限责任公司 | Easy-to-adjust stove with energy-gathering ring and high combustion efficiency |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180209 |