CN104296145A - Burner fire cover used for gas cooking appliance and burner with fire cover - Google Patents
Burner fire cover used for gas cooking appliance and burner with fire cover Download PDFInfo
- Publication number
- CN104296145A CN104296145A CN201410457721.5A CN201410457721A CN104296145A CN 104296145 A CN104296145 A CN 104296145A CN 201410457721 A CN201410457721 A CN 201410457721A CN 104296145 A CN104296145 A CN 104296145A
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- China
- Prior art keywords
- annular sidewall
- fire
- burner
- hole
- fire hole
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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
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
- F23D14/56—Nozzles for spreading the flame over an area, e.g. for desurfacing of solid material, for surface hardening, or for heating workpieces
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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
The invention discloses a burner fire cover used for a gas cooking appliance and a burner with the fire cover. The burner fire cover comprises a fire cover body. The fire cover body comprises annular side walls with fire holes. The burner fire cover is characterized in that at least two annular side walls are arranged, the corresponding fire holes are formed in each layer of annular side wall, and a gap is reserved between every two adjacent annular side walls to form a buffering layer. Compared with the prior art, the burner fire cover has the advantages that the buffer layers are formed between the adjacent side walls, after gas is buffered through the buffering layers in the process of flowing out of the fire holes in the outer layer annular side wall from the fire holes in the inner layer annular side wall, the blow-off limitation can be extremely increased, the back-fire limitation can be extremely reduced, and in other words, the adaptability of the gas can be improved on the premise of not increasing the depth of the fire holes; accordingly, according to the burner with the burner fire cover, gas in a gas mixing chamber of the burner can sequentially pass the gas mixing cavity and the fire holes in the inner layer annular side wall and then enters the buffering layer on the innermost side, and the adaptability of gas is improved after buffering is sequentially conducted through the multiple buffering layers.
Description
Technical field
The present invention relates to a kind of burner of gas kitchen ranges, especially relate to the burner that a kind of burner fire lid for gas kitchen ranges and application have this fire cover.
Background technology
The burner fire lid structure of existing gas kitchen ranges is generally ring-shaped fire cover, and it is made up of annular upper wall and annular sidewall, and the bottom of ring-shaped fire cover is formed with cannelure, and the annular sidewall of ring-shaped fire cover has several main fire holes along its circumferencial direction.In order to promote the combustion gas applicability of burner, current people, when designed combustion device, design the annular sidewall thickness of fire cover thicker usually, and like this, the degree of depth of fire hole can correspondingly increase, thus make the de-fiery limit increase and the tempering limit is reduced.But after fire cover thickness increases, the weight of fire cover can increase, and then causes the waste of material and the increase of manufacturing cost.In addition, existing in the burner of gas kitchen ranges, the burner of the burner fire lid adopting the fire hole degree of depth to increase, combustion gas adaptability is mostly poor.In sum, need to be further improved existing burner fire lid and burner.
Summary of the invention
First technical problem to be solved by this invention is for above-mentioned prior art present situation, just can promote the adaptive burner fire lid for gas kitchen ranges of combustion gas under providing a kind of prerequisite not increasing the fire hole degree of depth.
Second technical problem to be solved by this invention is for above-mentioned prior art present situation, provides one can promote the adaptive burner of combustion gas.
The present invention solves the technical scheme that above-mentioned first technical problem adopt: this is used for the burner fire lid of gas kitchen ranges, comprise fire cover body, described fire cover body has the annular sidewall of band fire hole, it is characterized in that: described annular sidewall has at least two-layer, every layer of annular sidewall all has described fire hole, leaves space between adjacent layer annular sidewall and form cushion.
Atmidometer to reduce, the fire hole one_to_one corresponding on described every layer of annular sidewall, and the fire hole of described correspondence is coaxial setting.
In order to make the fire hole intensity from-inner-to-outer on each layer annular sidewall reduce one by one, the fire hole one_to_one corresponding on described every layer of annular sidewall, and the aperture from-inner-to-outer of described corresponding fire hole increases one by one.
The number of plies of annular sidewall can have multiple choices, and preferably, the number of plies of described annular sidewall is 2 ~ 10 layers.Each annular sidewall can be integral piece, also can be that separable assembled forms.
As a kind of preferred version, described annular sidewall comprises internal layer annular sidewall and outer annular sidewall, described internal layer annular sidewall is circumferentially distributed with internal layer fire hole, described outer annular sidewall is circumferentially distributed with and outer fire hole.
Further preferably, the outer circle wall of described outer annular sidewall has steady flame groove, the inner of described steady flame groove communicates with described outer fire hole, described outer annular sidewall is circumferentially intervally distributed with stable flame hole, the inner of described stable flame hole is connected with the cushion between internal layer annular sidewall with outer annular sidewall, and the outer end of described stable flame hole is connected with described steady flame groove.By arranging steady flame groove and stable flame hole, the speed of giving vent to anger of stable flame hole combustion gas can be reduced, reach steady flame effect.In addition, in order to obtain better steady flame effect, described steady flame groove is horizontal annular groove, and described stable flame hole is inclined hole and is positioned at the below of described steady flame groove.
As another kind of preferred version, described annular sidewall comprises internal layer annular sidewall, intermediate layer annular sidewall and outer annular sidewall, described internal layer annular sidewall is circumferentially distributed with internal layer fire hole, described intermediate layer annular sidewall is circumferentially distributed with intermediate layer fire hole, is circumferentially distributed with outer fire hole at described outer annular sidewall.
Further preferably, the outer circle wall of described outer annular sidewall has steady flame groove, the inner of described steady flame groove communicates with described outer fire hole, described outer annular sidewall and intermediate layer annular sidewall have stable flame hole, described stable flame hole is through the cushion between outer annular sidewall and intermediate layer annular sidewall, the inner of described stable flame hole is connected with the cushion between intermediate layer annular sidewall with internal layer annular sidewall, and the outer end of described stable flame hole is connected with described steady flame groove.In addition, in order to obtain better steady flame effect, described steady flame groove is horizontal annular groove, and described stable flame hole is inclined hole and is positioned at the below of described steady flame groove.
The present invention solves the technical scheme that above-mentioned second technical problem adopt: this application has the burner of said burner fire cover, comprise mixing chamber, described fire cover body is located on this mixing chamber, between the top of described mixing chamber and the bottom of described fire cover body, be formed with mixed air cavity, it is characterized in that: described mixed air cavity is positioned at the inner side of innermost layer annular sidewall and is connected with the cushion of inner side by the fire hole on innermost layer annular sidewall.Like this, the combustion gas of mixing chamber can enter the cushion of inner side successively by mixed air cavity and internal layer fire hole.
Further preferably, the annular sidewall of described fire cover body is shelved on described mixing chamber, and isolated with outside bottom described cushion.Like this, can prevent the combustion gas entering cushion from running in bottom and overflow, thus effectively avoid efficiency gas to reduce.
Compared with prior art, the invention has the advantages that: this burner fire lid is by arranging at least two-layer annular sidewall, and between adjacent layer annular sidewall, leave gap and form cushion, after the buffering of cushion is passed through in combustion gas from the fire hole outer layers annular sidewall fire hole outflow process of internal layer annular sidewall, the de-fiery limit can be made to increase and the reduction of the tempering limit, namely by the adaptability of combustion gas just can be promoted under the number of plies that increases annular sidewall and the prerequisite not increasing the fire hole degree of depth, fire cover can not be caused because the increase fire hole degree of depth to cause weight increase and waste of material.Correspondingly, application has the burner of this burner fire lid, and the combustion gas in its mixing chamber can enter the cushion of inner side successively by mixed air cavity and internal layer fire hole, if there is multi-buffering-layer, then to promote combustion gas adaptability after cushioning successively.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention one;
Fig. 2 is the structural representation of another angle of the embodiment of the present invention one;
Fig. 3 is the sectional view of the embodiment of the present invention one;
Fig. 4 is the mounting structure schematic diagram of the embodiment of the present invention one;
Fig. 5 is the structural representation of the embodiment of the present invention two;
Fig. 6 is the sectional view of the embodiment of the present invention two;
Fig. 7 is the mounting structure schematic diagram of the embodiment of the present invention two.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Embodiment one:
As shown in Figure 1 to Figure 3, the burner fire lid for gas kitchen ranges in the present embodiment comprises fire cover body 1, and fire cover body 1 has double-deck annular sidewall, is specially internal layer annular sidewall 21 and outer annular sidewall 23.Leave space between internal layer annular sidewall 21 and outer annular sidewall 23 and form cushion 3, internal layer annular sidewall 21 is circumferentially distributed with internal layer fire hole 41, outer annular sidewall 23 is circumferentially distributed with outer fire hole 43, outer fire hole 43 is with internal layer fire hole 41 one_to_one corresponding and corresponding fire hole is coaxial setting, thus minimizing combustion gas go out atmidometer.Further, the aperture of outer fire hole 43 is greater than the aperture of corresponding internal layer fire hole 41, thus makes high, the outer fire hole intensity of internal layer fire hole intensity low, and ensure the internal layer fire hole not tempering of burner, outer fire hole is not from flame.
In the present embodiment, the outer circle wall of outer annular sidewall 23 has steady flame groove 5, the inner of steady flame groove 5 communicates with outer fire hole 43, and steady flame groove 5 cuts the outer end of wearing outer fire hole 43.Outer annular sidewall 23 is circumferentially intervally distributed with stable flame hole 6, and the inner of stable flame hole 6 is connected with the cushion 3 between internal layer annular sidewall 21 with outer annular sidewall 23, and the outer end of stable flame hole 6 is connected with steady flame groove 5.Further, steady flame groove 5 is horizontal annular groove, and stable flame hole 6 is inclined hole and is positioned at the below of steady flame groove 5.After adopting the structure of above-mentioned steady flame groove 5 and stable flame hole 6, combustion gas arrives the steady flame groove 5 communicated with it by stable flame hole 6 from cushion 3, fuel gas flow occurs to turn and circulation area sudden enlargement can make air velocity decrease, thus make the air velocity of combustion gas and burning velocity reach steady in the exit of steady flame groove 5, and the combustion gas of flowing out steady flame groove is steady not from flame when burning, both increase the steady flame scope of flame, also can play the effect of heating fire hole combustion gas root temperature.
As shown in Figure 4, burner in the present embodiment comprises mixing chamber 7 and described burner fire lid, fire cover body 1 is located on mixing chamber 7, between the top of mixing chamber 7 and the bottom of fire cover body 1, be formed with mixed air cavity 8, mixed air cavity 8 is positioned at the inner side of internal layer annular sidewall 21 and is connected with cushion 3 by internal layer fire hole 41.In addition, run bottom cushion for preventing the combustion gas entering cushion 3 and overflow, the annular sidewall of fire cover body 1 is shelved on mixing chamber 7, and isolated with outside bottom cushion 3.During burner operation, the combustion gas of mixing chamber 7 is passed through mixed air cavity 8 and internal layer fire hole 41 successively and is entered cushion 3, and combustion gas enters outer fire hole 43 again after cushion 3 is able to diffusing, buffering, thus promotes the adaptability of combustion gas.
Embodiment two:
As shown in Figure 5 and Figure 6, in the present embodiment, the fire cover body 1 of burner fire lid has shellring shape sidewall, be specially internal layer annular sidewall 21, intermediate layer annular sidewall 22 and outer annular sidewall 23, between internal layer annular sidewall 21 and intermediate layer annular sidewall 22 and leave space between intermediate layer annular sidewall 22 and outer annular sidewall 23 and form cushion 3.Internal layer annular sidewall 21 is circumferentially distributed with internal layer fire hole 41, intermediate layer annular sidewall 22 is circumferentially distributed with intermediate layer fire hole 42, be circumferentially distributed with outer fire hole 43 at outer annular sidewall 23.Internal layer fire hole 41, intermediate layer fire hole 42 and outer fire hole 43 one_to_one corresponding and the fire hole of correspondence are coaxial setting, and that reduces combustion gas with this goes out atmidometer.Identical with embodiment one, in order to ensure the internal layer fire hole 41 not tempering of burner, outer fire hole 43 is not from flame, and the aperture of intermediate layer fire hole 42 is greater than the aperture of internal layer fire hole 41 and is less than the aperture of outer fire hole 43.
In the present embodiment, the outer circle wall of outer annular sidewall 23 has steady flame groove 5, the inner of steady flame groove 5 communicates with outer fire hole 43, and steady flame groove 5 cuts the outer end of wearing outer fire hole 43.Outer annular sidewall 23 and intermediate layer annular sidewall 22 have stable flame hole 6, stable flame hole 6 is through the cushion 3 between outer annular sidewall 23 and intermediate layer annular sidewall 22, the inner of stable flame hole 6 is connected with the cushion 3 between intermediate layer annular sidewall 22 with internal layer annular sidewall 21, and the outer end of stable flame hole 6 is connected with steady flame groove 5.Further, steady flame groove 5 is horizontal annular groove, and stable flame hole 6 is inclined hole and is positioned at the below of steady flame groove 5, similarly, after adopting the structure of above-mentioned steady flame groove and stable flame hole, can reduce the speed of giving vent to anger of stable flame hole combustion gas, reach steady flame effect.
As shown in Figure 7, mixed air cavity 8 in the present embodiment is connected with the cushion 3 between internal layer annular sidewall 21 with intermediate layer annular sidewall 22 by internal layer fire hole 41, like this, during burner operation, first the combustion gas of mixing chamber 7 carries out diffusing, buffering by mixed air cavity 8 and internal layer fire hole 41 at the cushion 3 of inner side, then the cushion 3 that the combustion gas after diffusing, buffering enters outside by intermediate layer fire hole 42 carries out further diffusing, buffering, flowed out by outer fire hole 43 finally by the combustion gas after twice diffusing, buffering, thus promote combustion gas adaptability.
Claims (10)
1. the burner fire lid for gas kitchen ranges, comprise fire cover body (1), described fire cover body (1) has the annular sidewall of band fire hole, it is characterized in that: described annular sidewall has at least two-layer, every layer of annular sidewall all has described fire hole, leaves space between adjacent layer annular sidewall and form cushion (3).
2. the burner fire lid for gas kitchen ranges according to claim 1, is characterized in that: the fire hole one_to_one corresponding on described every layer of annular sidewall, and the fire hole of described correspondence is coaxial setting.
3. the burner fire lid for gas kitchen ranges according to claim 1, is characterized in that: the fire hole one_to_one corresponding on described every layer of annular sidewall, and the aperture from-inner-to-outer of described corresponding fire hole increases one by one.
4. the burner fire lid for gas kitchen ranges according to claim 1, is characterized in that: the number of plies of described annular sidewall is 2 ~ 10 layers.
5. the burner fire lid for gas kitchen ranges according to claim arbitrary in Claims 1-4, it is characterized in that: described annular sidewall comprises internal layer annular sidewall (21) and outer annular sidewall (23), described internal layer annular sidewall (21) is circumferentially distributed with internal layer fire hole (41), described outer annular sidewall (23) is circumferentially distributed with and outer fire hole (43).
6. the burner fire lid for gas kitchen ranges according to claim 5, it is characterized in that: on the outer circle wall of described outer annular sidewall (23), have steady flame groove (5), the inner of described steady flame groove (5) communicates with described outer fire hole (43), described outer annular sidewall (23) is circumferentially intervally distributed with stable flame hole (6), the inner of described stable flame hole (6) is connected with the cushion (3) between internal layer annular sidewall (21) with outer annular sidewall (23), the outer end of described stable flame hole (6) is connected with described steady flame groove (5).
7. the burner fire lid for gas kitchen ranges according to claim arbitrary in Claims 1-4, it is characterized in that: described annular sidewall comprises internal layer annular sidewall (21), intermediate layer annular sidewall (22) and outer annular sidewall (23), described internal layer annular sidewall (21) is circumferentially distributed with internal layer fire hole (41), described intermediate layer annular sidewall (22) is circumferentially distributed with intermediate layer fire hole (42), outer fire hole (43) is circumferentially distributed with at described outer annular sidewall (23).
8. the burner fire lid for gas kitchen ranges according to claim 7, it is characterized in that: on the outer circle wall of described outer annular sidewall (23), have steady flame groove (5), the inner of described steady flame groove (5) communicates with described outer fire hole (43), described outer annular sidewall (23) and intermediate layer annular sidewall (22) have stable flame hole (6), described stable flame hole (6) is through the cushion (3) between outer annular sidewall (23) and intermediate layer annular sidewall (22), the inner of described stable flame hole (6) is connected with the cushion (3) between intermediate layer annular sidewall (22) with internal layer annular sidewall (21), the outer end of described stable flame hole (6) is connected with described steady flame groove (5).
9. an application is had the right the burner of burner fire lid described in requirement 1, comprise mixing chamber (7), described fire cover body (1) is located on this mixing chamber (7), between the top of described mixing chamber (7) and the bottom of described fire cover body (1), be formed with mixed air cavity (8), it is characterized in that: described mixed air cavity (8) is positioned at the inner side of innermost layer annular sidewall and is connected with the cushion (3) of inner side by the fire hole on innermost layer annular sidewall.
10. burner according to claim 9, is characterized in that: the annular sidewall of described fire cover body (1) is shelved on described mixing chamber (7), and described cushion (3) bottom is isolated with outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410457721.5A CN104296145B (en) | 2014-09-10 | 2014-09-10 | A kind of burner fire lid and application for gas kitchen ranges has the burner of the fire cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410457721.5A CN104296145B (en) | 2014-09-10 | 2014-09-10 | A kind of burner fire lid and application for gas kitchen ranges has the burner of the fire cover |
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| CN104296145A true CN104296145A (en) | 2015-01-21 |
| CN104296145B CN104296145B (en) | 2017-09-01 |
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| CN201410457721.5A Active CN104296145B (en) | 2014-09-10 | 2014-09-10 | A kind of burner fire lid and application for gas kitchen ranges has the burner of the fire cover |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402729A (en) * | 2015-12-10 | 2016-03-16 | 宁波方太厨具有限公司 | Flame stabilizing fire cover |
| CN105605576A (en) * | 2016-03-11 | 2016-05-25 | 广东美的厨房电器制造有限公司 | Fire cover, burner and gas stove |
| CN106196069A (en) * | 2016-08-16 | 2016-12-07 | 宁波方太厨具有限公司 | A kind of interior ring fire cover of gas stove burner |
| CN107726318A (en) * | 2017-10-17 | 2018-02-23 | 珠海格力电器股份有限公司 | Combustor reaches gas-cooker including it |
| CN108443882A (en) * | 2018-04-04 | 2018-08-24 | 广东美的厨房电器制造有限公司 | Fire cover, burner and burning kitchen tools |
| CN108469025A (en) * | 2018-04-04 | 2018-08-31 | 广东美的厨房电器制造有限公司 | Fire cover, burner and burning kitchen tools |
| CN108613188A (en) * | 2018-04-04 | 2018-10-02 | 华帝股份有限公司 | Fire cover |
| CN109458637A (en) * | 2018-11-21 | 2019-03-12 | 华帝股份有限公司 | Combustor and gas stove with same |
| CN110207123A (en) * | 2018-07-17 | 2019-09-06 | 华帝股份有限公司 | Gas stove fire cover with multilayer fire holes |
| WO2019192186A1 (en) * | 2018-04-04 | 2019-10-10 | 佛山市顺德区美的洗涤电器制造有限公司 | Burner cap, burner, and burner cooker |
| CN110440259A (en) * | 2018-05-02 | 2019-11-12 | 宁波方太厨具有限公司 | A kind of burner having the burner fire lid for the burner fire lid of gas cooker and application |
| WO2019233152A1 (en) * | 2018-06-03 | 2019-12-12 | 宁波方太厨具有限公司 | Burner cap |
| CN110966603A (en) * | 2018-09-30 | 2020-04-07 | 宁波方太厨具有限公司 | Burner for gas stove and gas stove with same |
| CN110966599A (en) * | 2018-09-30 | 2020-04-07 | 宁波方太厨具有限公司 | Fire cover for gas stove |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402729A (en) * | 2015-12-10 | 2016-03-16 | 宁波方太厨具有限公司 | Flame stabilizing fire cover |
| CN105402729B (en) * | 2015-12-10 | 2018-05-25 | 宁波方太厨具有限公司 | A kind of steady fireworks lid |
| CN105605576A (en) * | 2016-03-11 | 2016-05-25 | 广东美的厨房电器制造有限公司 | Fire cover, burner and gas stove |
| CN106196069B (en) * | 2016-08-16 | 2018-12-14 | 宁波方太厨具有限公司 | A kind of interior ring fire cover of gas stove burner |
| CN106196069A (en) * | 2016-08-16 | 2016-12-07 | 宁波方太厨具有限公司 | A kind of interior ring fire cover of gas stove burner |
| CN107726318B (en) * | 2017-10-17 | 2023-03-10 | 珠海格力电器股份有限公司 | Combustor reaches gas-cooker including it |
| CN107726318A (en) * | 2017-10-17 | 2018-02-23 | 珠海格力电器股份有限公司 | Combustor reaches gas-cooker including it |
| CN108469025A (en) * | 2018-04-04 | 2018-08-31 | 广东美的厨房电器制造有限公司 | Fire cover, burner and burning kitchen tools |
| CN108613188A (en) * | 2018-04-04 | 2018-10-02 | 华帝股份有限公司 | Fire cover |
| CN108443882A (en) * | 2018-04-04 | 2018-08-24 | 广东美的厨房电器制造有限公司 | Fire cover, burner and burning kitchen tools |
| CN108443882B (en) * | 2018-04-04 | 2020-04-21 | 佛山市顺德区美的洗涤电器制造有限公司 | Fire cover, burner and burning kitchen ware |
| WO2019192186A1 (en) * | 2018-04-04 | 2019-10-10 | 佛山市顺德区美的洗涤电器制造有限公司 | Burner cap, burner, and burner cooker |
| CN108469025B (en) * | 2018-04-04 | 2019-10-25 | 广东美的厨房电器制造有限公司 | Fire cover, burner and burning kitchen tools |
| CN110440259A (en) * | 2018-05-02 | 2019-11-12 | 宁波方太厨具有限公司 | A kind of burner having the burner fire lid for the burner fire lid of gas cooker and application |
| WO2019233152A1 (en) * | 2018-06-03 | 2019-12-12 | 宁波方太厨具有限公司 | Burner cap |
| CN110207123A (en) * | 2018-07-17 | 2019-09-06 | 华帝股份有限公司 | Gas stove fire cover with multilayer fire holes |
| CN110966599A (en) * | 2018-09-30 | 2020-04-07 | 宁波方太厨具有限公司 | Fire cover for gas stove |
| CN110966603A (en) * | 2018-09-30 | 2020-04-07 | 宁波方太厨具有限公司 | Burner for gas stove and gas stove with same |
| CN110966603B (en) * | 2018-09-30 | 2021-11-02 | 宁波方太厨具有限公司 | Burner for gas stove and gas stove with same |
| CN109458637A (en) * | 2018-11-21 | 2019-03-12 | 华帝股份有限公司 | Combustor and gas stove with same |
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| CN104296145B (en) | 2017-09-01 |
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