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CN113251414A - Combustor with Venturi tube structure and manufacturing method thereof - Google Patents

Combustor with Venturi tube structure and manufacturing method thereof Download PDF

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Publication number
CN113251414A
CN113251414A CN202110578467.4A CN202110578467A CN113251414A CN 113251414 A CN113251414 A CN 113251414A CN 202110578467 A CN202110578467 A CN 202110578467A CN 113251414 A CN113251414 A CN 113251414A
Authority
CN
China
Prior art keywords
ring
inner ring
venturi tube
tube
venturi
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
Application number
CN202110578467.4A
Other languages
Chinese (zh)
Inventor
黄安奎
黄卫斌
吴贤焘
胡浩
康刘胜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marssenger Kitchenware Co Ltd
Original Assignee
Marssenger Kitchenware Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Marssenger Kitchenware Co Ltd filed Critical Marssenger Kitchenware Co Ltd
Priority to CN202110578467.4A priority Critical patent/CN113251414A/en
Publication of CN113251414A publication Critical patent/CN113251414A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means
    • F23D14/62Mixing devices; Mixing tubes
    • F23D14/64Mixing devices; Mixing tubes with injectors

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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 provides a burner with a Venturi tube structure and a manufacturing method thereof, the burner comprises a gas distribution disc, the gas distribution disc comprises an inner ring gas disc and an outer ring gas disc which are sleeved inside and outside, a lower central cavity and a lower middle ring cavity are separated from the inner ring gas disc, the lower middle ring cavity surrounds the outer ring of the lower central cavity, the outer ring gas disc is provided with a lower outer ring cavity, the lower outer ring cavity is symmetrically communicated with two outer ring ejector pipes, the two outer ring ejector pipes are bent arc type pipelines, the lower central cavity is communicated with the inner ring ejector pipe, the lower middle ring cavity is communicated with the middle ring ejector pipe, the inner ring ejector pipe and the middle ring ejector pipe are both straight tubular pipelines, the inner ring ejector pipe is fixedly embedded with an inner ring Venturi pipe, the middle ring ejector pipe is fixedly embedded with a middle ring Venturi pipe, the inner ring Venturi pipe and the middle ring Venturi pipe both comprise an aperture reduction section, a straight tubular section and an aperture expansion section which are connected in sequence, a large-diameter outlet of the aperture expansion section of the inner ring Venturi pipe is connected with the lower central cavity, the large-diameter outlet of the aperture expanding section of the middle ring Venturi tube is connected with the lower middle ring cavity.

Description

Combustor with Venturi tube structure and manufacturing method thereof
Technical Field
The invention belongs to the technical field of kitchen cookers, and relates to a gas stove, in particular to a burner with a venturi tube structure and a manufacturing method thereof.
Background
The upper air inlet burner is more and more applied to the gas stove due to the characteristics of safety and easiness in cleaning, but the injection capacity is not strong due to the short injection pipe, so that the injection capacity is improved by adopting a multi-nozzle mode. At present, the performance of an upper air inlet combustor in the industry is generally poor, the main bottleneck is that the injection capacity of the combustor is limited, and the primary air coefficient is lower than that of a lower air inlet combustor.
The upper air inlet burner in the existing industry adopts the following modes:
1. the nozzles are vertically arranged: the design is limited by the structure of the stove, the height of the burner is too large, the Venturi pipeline is too short, and the air injection capacity and the mixing capacity are lower.
2. The nozzles are transversely arranged: the design has two design forms, but is limited by the mould process problem, and the first one is the straight pipeline, and this kind of design can not form the venturi structure, and the rear end can't form speed reduction pressure boost effect, mixes the effect relatively poor.
3. The injection mold has a Venturi structure, the injection effect is good, the gravity pouring can be adopted in the processing technology, the mold is complex to process, and the qualified rate of finished products is low.
4. At venturi pipeline rear end, make the technology hole, after the mould shaping, do sealed processing again, this kind of design mould expense is higher, increases the gas leakage risk point, destroys the outward appearance wholeness.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a combustor with a venturi tube structure and a manufacturing method thereof, wherein the combustor adopts a mode that an air distributing disc is embedded into a venturi tube, so that the primary air coefficient of an upper air inlet combustor is improved, and the process is optimized.
The purpose of the invention can be realized by the following technical scheme: a burner with a Venturi tube structure comprises an air distribution disc, wherein the air distribution disc comprises an inner ring air disc and an outer ring air disc which are in inner and outer ring sleeving, a lower central cavity and a lower middle ring cavity are separated from the inner ring air disc, the lower middle ring cavity surrounds the outer ring of the lower central cavity, a lower outer ring cavity is arranged in the outer ring air disc, the lower outer ring cavity is symmetrically communicated with two outer ring ejector pipes which are in bent arc type pipelines, the lower central cavity is communicated with an inner ring ejector pipe, the lower middle ring cavity is communicated with a middle ring ejector pipe, the inner ring ejector pipe and the middle ring ejector pipe are both straight cylindrical pipelines, a Venturi tube is fixedly embedded in the inner ring ejector pipe, a middle ring Venturi tube is fixedly embedded in the middle ring ejector pipe, and the inner ring Venturi tube and the middle ring Venturi tube both comprise a reduced aperture section, a straight cylindrical section and an enlarged aperture section which are sequentially connected, the large-diameter outlet of the aperture expanding section of the inner ring Venturi tube is connected with the lower central chamber, and the large-diameter outlet of the aperture expanding section of the middle ring Venturi tube is connected with the lower middle ring chamber.
In the burner with the venturi tube structure, the inner ring venturi tube and the inner ring injection tube are fixedly embedded and connected through interference fit, riveting or screw locking.
In the combustor with the venturi tube structure, the inner ring injection pipe, the middle ring injection pipe and the outer ring injection pipe are separated from each other and are arranged independently, the inner ring injection pipe and the middle ring injection pipe are arranged in parallel, and the air inlet directions of the inner ring injection pipe and the middle ring injection pipe are opposite.
In the burner with the venturi tube structure, the large-diameter inlet of the reduced-aperture section of the inner ring venturi tube is connected with the inner ring nozzle; the large-diameter inlet of the aperture reduction section of the middle ring Venturi tube is connected with the middle ring nozzle.
In the burner with the venturi tube structure, the outer ring injection pipe comprises an aperture reducing conical pipe section, an aperture expanding conical pipe section and an aperture-consistent bent pipe section which are sequentially connected, a large-diameter inlet of the aperture reducing conical pipe section is connected with the outer ring nozzle, and an outlet of the aperture-consistent bent pipe section is connected with the lower outer ring chamber.
In the combustor with the Venturi tube structure, the air inlets of the two outer ring injection tubes are arranged in opposite directions, and the air outlets of the two outer ring injection tubes are arranged in the same clockwise direction.
In the above burner with the venturi tube structure, the inner ring gas disk and the outer ring gas disk are fixedly connected through the inner ring ejector pipe and the middle ring ejector pipe.
The manufacturing method of the burner with the Venturi tube structure comprises the following steps:
1) a bottom hole for embedding a Venturi tube is reserved through core pulling of a mold or drilling, an air distribution disc is formed after pouring and cooling are carried out in the mold, and a straight-cylinder-shaped inner ring injection pipe and a straight-cylinder-shaped middle ring injection pipe are formed on the air distribution disc;
2) inserting the inner ring Venturi tube into the inner ring injection tube, enabling the large-diameter inlet of the aperture reducing section of the inner ring Venturi tube to face outwards, and enabling the large-diameter outlet of the aperture expanding section to face inwards to be connected with the lower central chamber; inserting the middle ring venturi tube into the middle ring ejector tube, enabling a large-diameter inlet of an aperture reduction section of the middle ring venturi tube to face outwards, and enabling a large-diameter outlet of an aperture expansion section to face inwards to be connected with a lower middle ring chamber;
3) the inner ring venturi tube and the inner ring injection tube are fixedly embedded and connected in any one of the following modes:
a) the diameter of the outer wall of the Venturi tube is in interference fit with the diameter of the inner wall of the injection tube, and the outer wall of the Venturi tube is fixedly connected with the inner wall of the injection tube through friction force;
b) the venturi tube is placed in the injection tube, the end part of the gas distribution plate adopts an extrusion deformation riveting process, and the venturi tube is tightly pressed to form fixed connection;
c) the lateral part of the Venturi tube is provided with a threaded hole, the Venturi tube is compressed through the locking screw, and the Venturi tube is limited to move to form and be fixedly connected.
In the above method for manufacturing the burner with the venturi tube structure, the inner ring venturi tube and the middle ring venturi tube are manufactured by aluminum die casting, copper or steel tube process.
Compared with the prior art, the combustor with the Venturi tube structure and the manufacturing method thereof have the following advantages:
1. in order to ensure the primary air injection capacity, the design adopts the design of a horizontal Venturi pipeline, the length of the Venturi pipeline is ensured, the gas-air mixing degree is increased, and the performance of the combustor is enhanced.
2. In order to meet the mixing principle of the Venturi pipeline, the design continues to use the processes of contraction acceleration, mixing and final deceleration pressurization, so that the maximum primary air injection capacity and mixing capacity are ensured, and the combustion performance of the combustor is met.
3. In order to meet the requirement of processing products, the processing technology is limited, the design adopts a mode that the air distribution disc is embedded into the Venturi tube, and the integrity of the appearance design is kept in appearance; structurally, the risk points of gas leakage of the combustor are reduced; in the aspect of process, the sealing process difficulty is reduced, the complex difficulty of a die is reduced, and the installation difficulty of product components is reduced.
Drawings
Fig. 1 is a sectional structural view of the present burner with venturi structure.
Fig. 2 is an assembly structural view of the burner having the venturi structure.
Fig. 3 is a structural view of the riveting process with the venturi structure.
Fig. 4 is a structural view of the screw locking process with the venturi structure.
In the figure, 1, an inner ring air disc; 2. a lower central chamber; 3. a lower-middle ring chamber; 4. an outer annular gas disc; 5. an outer ring injection pipe; 6. an inner ring injection pipe; 7. an inner ring venturi; 8. a middle ring injection pipe; 9. a medium ring venturi tube; 10. and (4) screws.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, the burner with the venturi tube structure comprises a gas distribution disc, the gas distribution disc comprises an inner ring gas disc 1 and an outer ring gas disc 4 which are sleeved in an inner ring and an outer ring, a lower central chamber 2 and a lower middle ring chamber 3 are separated from the inner ring gas disc 1, the lower middle ring chamber 3 surrounds the outer ring of the lower central chamber 2, the outer ring gas disc 4 is provided with a lower outer ring chamber, the lower outer ring chamber is symmetrically communicated with two outer ring injection pipes 5, the two outer ring injection pipes 5 are curved pipes, the lower central chamber 2 is communicated with the inner ring injection pipe 6, the lower middle ring chamber 3 is communicated with a middle ring injection pipe 8, the inner ring injection pipe 6 and the middle ring injection pipe 8 are both straight pipes, an inner ring 7 is fixedly embedded in the inner ring injection pipe 6, a middle ring venturi pipe 9 is fixedly embedded in the middle ring injection pipe 8, the inner ring venturi pipe 7 and the middle ring venturi pipe 9 both comprise a reduced aperture section, a straight cylinder section and an enlarged aperture section which are connected in sequence, the large-diameter outlet of the aperture expansion section of the inner ring Venturi tube 7 is connected with the lower central chamber 2, and the large-diameter outlet of the aperture expansion section of the middle ring Venturi tube 9 is connected with the lower middle ring chamber 3.
The inner ring venturi tube 7 and the inner ring injection tube 6 are in interference fit, riveted or locked by a screw 10 to form a fixedly embedded connection.
The inner ring draws and penetrates pipe 6, zhonghuan and penetrates pipe 8, outer loop and draws and penetrate pipe 5 alternate segregation and independent setting separately, and the inner ring draws and penetrates pipe 6 and zhonghuan and penetrate pipe 8 parallel arrangement, and the opposite direction of admitting air between them.
The large-diameter inlet of the aperture reduction section of the inner ring Venturi tube 7 is connected with an inner ring nozzle; the large-diameter inlet of the reduced aperture section of the middle ring Venturi tube 9 is connected with the middle ring nozzle.
The outer ring injection pipe 5 comprises an aperture reducing taper pipe section, an aperture expanding taper pipe section and an aperture uniform bend pipe section which are sequentially connected, a large-diameter inlet of the aperture reducing taper pipe section is connected with an outer ring nozzle, and an outlet of the aperture uniform bend pipe section is connected with a lower outer ring chamber.
The air inlets of the two outer ring injection pipes 5 are arranged along opposite directions, and the air outlets of the two outer ring injection pipes 5 are arranged along the same clockwise direction.
The inner ring air disc 1 and the outer ring air disc 4 are fixedly connected with a middle ring injection pipe 8 through an inner ring injection pipe 6.
The manufacturing method of the burner with the Venturi tube structure comprises the following steps:
1) a bottom hole for embedding a Venturi tube is reserved through core pulling of a mold or drilling, an air distribution disc is formed after pouring and cooling are carried out in the mold, and a straight-cylinder-shaped inner ring injection pipe 6 and a straight-cylinder-shaped middle ring injection pipe 8 are formed on the air distribution disc;
2) inserting the inner ring venturi tube 7 into the inner ring injection tube 6, enabling the large-diameter inlet of the aperture reduction section of the inner ring venturi tube 7 to face outwards, and enabling the large-diameter outlet of the aperture expansion section to face inwards to be connected with the lower central chamber 2; inserting the middle ring venturi tube 9 into the middle ring ejector tube 8, enabling the large-diameter inlet of the aperture reduction section of the middle ring venturi tube 9 to face outwards, and enabling the large-diameter outlet of the aperture expansion section to be connected with the lower and middle ring chambers 3 inwards;
3) the inner ring venturi tube 7 and the inner ring injection tube 6 are connected in a fixedly embedded mode through any one of the following modes:
a) the diameter of the outer wall of the Venturi tube is in interference fit with the diameter of the inner wall of the injection tube, and the outer wall of the Venturi tube is fixedly connected with the inner wall of the injection tube through friction force;
as shown in fig. 3, b) placing a venturi tube in the injection pipe, and pressing the venturi tube to form fixed connection by adopting an extrusion deformation riveting process at the end part of the gas distribution plate;
as shown in fig. 4, c), the lateral part of the venturi tube is provided with a threaded hole, and the venturi tube is pressed tightly by the locking screw 10 to limit the movement of the venturi tube to form fixed connection.
The inner ring Venturi tube 7 and the middle ring Venturi tube 9 are manufactured by aluminum die casting, copper or steel tube technology.
Compared with the prior art, the combustor with the Venturi tube structure and the manufacturing method thereof have the following advantages:
1. in order to ensure the primary air injection capacity, the design adopts the design of a horizontal Venturi pipeline, the length of the Venturi pipeline is ensured, the gas-air mixing degree is increased, and the performance of the combustor is enhanced.
2. In order to meet the mixing principle of the Venturi pipeline, the design continues to use the processes of contraction acceleration, mixing and final deceleration pressurization, so that the maximum primary air injection capacity and mixing capacity are ensured, and the combustion performance of the combustor is met.
3. In order to meet the requirement of processing products, the processing technology is limited, the design adopts a mode that the air distribution disc is embedded into the Venturi tube, and the integrity of the appearance design is kept in appearance; structurally, the risk points of gas leakage of the combustor are reduced; in the aspect of process, the sealing process difficulty is reduced, the complex difficulty of a die is reduced, and the installation difficulty of product components is reduced.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the inner annular gas disk 1 is used more here; a lower central chamber 2; a lower middle ring chamber 3; an outer annular gas disk 4; an outer ring injection pipe 5; an inner ring injection pipe 6; an inner ring venturi tube 7; a middle ring injection pipe 8; a medium ring venturi tube 9; screw 10, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims (9)

1. The combustor with the Venturi tube structure comprises an air distribution disc and is characterized in that the air distribution disc comprises an inner ring air disc and an outer ring air disc which are sleeved with an inner ring and an outer ring, a lower central cavity and a lower middle ring cavity are separated from the inner ring air disc, the lower middle ring cavity surrounds the outer ring of the lower central cavity, a lower outer ring cavity is arranged in the outer ring air disc and is symmetrically communicated with two outer ring injection pipes, the two outer ring injection pipes are bent arc-shaped pipelines, the lower central cavity is communicated with the inner ring injection pipe, the lower middle ring cavity is communicated with a middle ring injection pipe, the inner ring injection pipe and the middle ring injection pipe are both straight-tube pipelines, an inner ring Venturi tube is fixedly embedded in the inner ring injection pipe, a middle ring Venturi tube is fixedly embedded in the middle ring injection pipe, and the inner ring Venturi tube and the middle ring Venturi tube comprise sequentially connected aperture reduction sections, The large-diameter outlet of the aperture expanding section of the inner ring Venturi tube is connected with the lower central chamber, and the large-diameter outlet of the aperture expanding section of the middle ring Venturi tube is connected with the lower middle ring chamber.
2. The burner with the venturi structure of claim 1, wherein the inner ring venturi and the inner ring ejector pipe form a fixed-embedded connection through interference fit, riveting or screw locking.
3. The burner with the venturi tube structure according to claim 1, wherein the inner ring injection tube, the middle ring injection tube and the outer ring injection tube are separated from each other and are disposed independently, the inner ring injection tube and the middle ring injection tube are disposed in parallel, and the air inlet directions of the inner ring injection tube and the middle ring injection tube are opposite.
4. The burner with venturi structure of claim 1, wherein the large diameter inlet of the reduced bore section of the inner ring venturi is connected to an inner ring nozzle; the large-diameter inlet of the aperture reduction section of the middle ring Venturi tube is connected with the middle ring nozzle.
5. The burner with the venturi structure of claim 1, wherein the outer ring injection pipe comprises a hole-diameter reducing conical section, a hole-diameter expanding conical section and a hole-diameter-consistent bent section, which are connected in sequence, wherein a large-diameter inlet of the hole-diameter reducing conical section is connected with the outer ring nozzle, and an outlet of the hole-diameter-consistent bent section is connected with the lower outer ring chamber.
6. The burner with the venturi tube structure as claimed in claim 1, wherein the air inlets of the two outer ring injection pipes are arranged in opposite directions, and the air outlets of the two outer ring injection pipes are arranged in the same clockwise direction.
7. The burner with the venturi structure of claim 1, wherein the inner ring gas disk and the outer ring gas disk are fixedly connected with the middle ring injection pipe through the inner ring injection pipe.
8. The method for manufacturing a burner with a venturi structure according to claim 1, comprising the steps of:
1) a bottom hole for embedding a Venturi tube is reserved through core pulling of a mold or drilling, an air distribution disc is formed after pouring and cooling are carried out in the mold, and a straight-cylinder-shaped inner ring injection pipe and a straight-cylinder-shaped middle ring injection pipe are formed on the air distribution disc;
2) inserting the inner ring Venturi tube into the inner ring injection tube, enabling the large-diameter inlet of the aperture reducing section of the inner ring Venturi tube to face outwards, and enabling the large-diameter outlet of the aperture expanding section to face inwards to be connected with the lower central chamber; inserting the middle ring venturi tube into the middle ring ejector tube, enabling a large-diameter inlet of an aperture reduction section of the middle ring venturi tube to face outwards, and enabling a large-diameter outlet of an aperture expansion section to face inwards to be connected with a lower middle ring chamber;
3) the inner ring venturi tube and the inner ring injection tube are fixedly embedded and connected in any one of the following modes:
a) the diameter of the outer wall of the Venturi tube is in interference fit with the diameter of the inner wall of the injection tube, and the outer wall of the Venturi tube is fixedly connected with the inner wall of the injection tube through friction force;
b) the venturi tube is placed in the injection tube, the end part of the gas distribution plate adopts an extrusion deformation riveting process, and the venturi tube is tightly pressed to form fixed connection;
c) the lateral part of the Venturi tube is provided with a threaded hole, the Venturi tube is compressed through the locking screw, and the Venturi tube is limited to move to form and be fixedly connected.
9. The method for manufacturing a burner with a venturi tube structure as claimed in claim 8, wherein the inner ring venturi tube and the middle ring venturi tube are manufactured by aluminum die casting, copper or steel tube process.
CN202110578467.4A 2021-05-26 2021-05-26 Combustor with Venturi tube structure and manufacturing method thereof Pending CN113251414A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110578467.4A CN113251414A (en) 2021-05-26 2021-05-26 Combustor with Venturi tube structure and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110578467.4A CN113251414A (en) 2021-05-26 2021-05-26 Combustor with Venturi tube structure and manufacturing method thereof

Publications (1)

Publication Number Publication Date
CN113251414A true CN113251414A (en) 2021-08-13

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Application Number Title Priority Date Filing Date
CN202110578467.4A Pending CN113251414A (en) 2021-05-26 2021-05-26 Combustor with Venturi tube structure and manufacturing method thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113864825A (en) * 2021-09-30 2021-12-31 佛山市顺德区美的洗涤电器制造有限公司 Ejector, upper air inlet burner and gas stove

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100233643A1 (en) * 2007-10-23 2010-09-16 Electrolux Home Products Corporation N.V. Gas burner
CN102661606A (en) * 2012-05-29 2012-09-12 迅达科技集团股份有限公司 Top-intake burner of gas cooker
CN203501172U (en) * 2013-08-13 2014-03-26 芜湖美的厨房电器制造有限公司 Bottom cup assembly of upper air inlet burner and gas stove with bottom cup assembly
CN207831349U (en) * 2018-02-07 2018-09-07 佛山市高厨电器有限公司 Burner and use its gas-cooker
CN112432171A (en) * 2020-12-10 2021-03-02 火星人厨具股份有限公司 Integrally die-cast upper air inlet burner and operation method thereof
CN216244257U (en) * 2021-05-26 2022-04-08 火星人厨具股份有限公司 Combustor with venturi structure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100233643A1 (en) * 2007-10-23 2010-09-16 Electrolux Home Products Corporation N.V. Gas burner
CN102661606A (en) * 2012-05-29 2012-09-12 迅达科技集团股份有限公司 Top-intake burner of gas cooker
CN203501172U (en) * 2013-08-13 2014-03-26 芜湖美的厨房电器制造有限公司 Bottom cup assembly of upper air inlet burner and gas stove with bottom cup assembly
CN207831349U (en) * 2018-02-07 2018-09-07 佛山市高厨电器有限公司 Burner and use its gas-cooker
CN112432171A (en) * 2020-12-10 2021-03-02 火星人厨具股份有限公司 Integrally die-cast upper air inlet burner and operation method thereof
CN216244257U (en) * 2021-05-26 2022-04-08 火星人厨具股份有限公司 Combustor with venturi structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113864825A (en) * 2021-09-30 2021-12-31 佛山市顺德区美的洗涤电器制造有限公司 Ejector, upper air inlet burner and gas stove

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