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WO2006114063A1 - Brûleur à gaz - Google Patents

Brûleur à gaz Download PDF

Info

Publication number
WO2006114063A1
WO2006114063A1 PCT/CN2006/000959 CN2006000959W WO2006114063A1 WO 2006114063 A1 WO2006114063 A1 WO 2006114063A1 CN 2006000959 W CN2006000959 W CN 2006000959W WO 2006114063 A1 WO2006114063 A1 WO 2006114063A1
Authority
WO
WIPO (PCT)
Prior art keywords
central
peripheral
nozzle
gas mixing
chamber
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.)
Ceased
Application number
PCT/CN2006/000959
Other languages
English (en)
Chinese (zh)
Inventor
Guoying Zou
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.)
Zhejiang Shuaikang Electric Stock Co Ltd
Original Assignee
Zhejiang Shuaikang Electric Stock 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 Zhejiang Shuaikang Electric Stock Co Ltd filed Critical Zhejiang Shuaikang Electric Stock Co Ltd
Publication of WO2006114063A1 publication Critical patent/WO2006114063A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • F23D14/06—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 radial 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
    • F23D14/62—Mixing devices; Mixing tubes
    • F23D14/64—Mixing devices; Mixing tubes with injectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/14—Special features of gas burners
    • F23D2900/14062—Special features of gas burners for cooking ranges having multiple flame rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/14—Special features of gas burners
    • F23D2900/14064—Burner heads of non circular shape

Definitions

  • the present invention relates to a cooktop, and more particularly to a gas burner.
  • Cipheral Patent No. ZL03241583. 4 discloses a gas burner, which comprises a fire cover, a fire-breathing device, a base and an air intake device, and the fire-breathing device has a central fire ring, an inner fire ring and an outer fire ring.
  • a central gas mixing chamber is formed in the central fire ring, and a central gas mixing tube is arranged therein, and two symmetrically distributed peripheral gas mixing chambers are formed between the inner ring and the outer ring, each of the peripheral gas
  • the mixing chamber is provided with a peripheral gas mixing tube on one side, and the base is provided with a central nozzle chamber corresponding to the central gas mixing tube and two peripheral nozzle chambers corresponding to the peripheral gas mixing tube, and a separate
  • the central air passage is provided with a central nozzle corresponding to the central nozzle chamber and a peripheral nozzle corresponding to the peripheral nozzle chamber.
  • the present invention is directed to overcoming the deficiencies of the prior art described above, and provides a gas burner having a simple structure, convenient processing, uniform flame, large intermediate firepower, and ingenious control.
  • a gas burner includes a fire cover, a fire-breathing device, a base, and an air intake device, wherein the fire-breathing device has a central fire ring, an inner fire ring, and an outer fire ring, and the center fire a central gas mixing chamber is formed in the circle, and the central gas mixing chamber is provided with a central gas mixing tube; at least three uniformly distributed peripheral gas mixing chambers are formed between the inner ring and the outer ring a peripheral gas mixing tube is disposed in a middle portion of each of the peripheral gas mixing chambers, wherein the base is provided with a central nozzle chamber corresponding to the central gas mixing tube, and a pair of the peripheral gas mixing tubes _
  • the peripheral nozzle chamber should be provided, and the air intake device is provided with a central nozzle corresponding to the central nozzle chamber and a peripheral nozzle corresponding to the peripheral nozzle chamber.
  • peripheral gas mixing chamber, the peripheral nozzle chamber and the peripheral nozzle are three, and at least one of the three peripheral nozzle chambers and the central nozzle chamber are provided with a narrow passage for the primary air to flow in. .
  • An elongated passage for primary air inflow may also be provided between the three peripheral nozzle chambers and the central nozzle chamber.
  • the cross section of the outer ring and the center ring are both circular, and the cross section of the inner ring is "Y", and a plurality of shapes are formed between the inner ring and the center ring.
  • the through grooves into which the secondary air flows are separated from each of the peripheral gas mixing chambers by two pilot grooves and a partition wall.
  • the base comprises a disc, the central nozzle chamber is formed in the middle of the disc, and has a substantially circular cross section.
  • the top end is provided with an opening for the central gas mixing tube to extend, and the bottom end is provided for a through hole extending into the center nozzle;
  • the peripheral nozzle cavity is symmetrically distributed at an adjacent edge of the disk, and has a substantially trapezoidal cross section, and an opening at the top end for the peripheral gas mixing tube to extend into,
  • the bottom end is provided with a through hole through which the peripheral nozzle extends.
  • the outer end of the peripheral nozzle chamber is provided with a gap for the primary air to enter, and the space between the two adjacent peripheral nozzle chambers forms a secondary air inlet; the inner side of the top end surface of the central nozzle chamber is symmetrically arranged circumferentially;
  • the ribs, and the bottom end faces of the three ribs are in contact with the peripheral surfaces of the peripheral nozzle cavity, the central nozzle cavity and the elongated channel.
  • the central positioning raft has three sections, each of which is curved; the outer periphery of the central nozzle chamber is further provided with an ignition device and a fire extinguishing protection device.
  • the air intake device includes a peripheral nozzle air supply pipe and a central nozzle air supply pipe which are independent from each other;
  • the peripheral nozzle air supply pipe has a "Y" shape, which is formed by three tubular bodies intersecting and communicating, the center
  • the nozzle air supply pipe has a "one" shape, which intersects but does not communicate with the middle portion of the "Y" shaped peripheral nozzle air supply pipe.
  • the peripheral nozzles of u / U y are distributed at three ends of the peripheral nozzle air supply pipe, the outer nozzle of the outer nozzle is provided with an air inlet, and the other ends are closed by a plug;
  • the nozzle is disposed at an inner end of the central nozzle air supply pipe, and the outer end of the central nozzle air supply pipe is provided with an air inlet, and the inner end is closed.
  • the fire cover comprises a central fire cover and an outer fire cover, and the outer fire cover is composed of an outer fire cover decorative plate and an outer fire cover pressure plate.
  • a gas burner provided in accordance with the present invention has the following advantages over the prior art: First, the present invention designs three uniformly distributed peripheral gas mixing chambers, and at the same time, a peripheral gas mixing tube is disposed in the middle of the mixing chamber.
  • the utility model can not only make the supply of the gas required for peripheral combustion more stable, but also make the mixed gas flow evenly in the mixing chamber, thereby avoiding the gas mixing unevenness in the gas mixing chamber far away from the gas mixing tube region in the prior art, thereby ensuring The flame is uniform, and the yellow flame phenomenon does not occur as in the prior art.
  • the present invention skillfully provides three narrow passages between the peripheral nozzle chamber and the central nozzle chamber to replace the central primary air passage separately provided in the prior art, which is not only simple in structure, convenient in processing, but also advantageous in increasing the number of times.
  • the entrance area of the air makes the middle firepower large.
  • the invention has independent peripheral nozzle air supply pipe and central nozzle air supply pipe, which can realize the use of the burner three times of fire at the same time, or can be used only for the central fire alone, thereby being more convenient to control.
  • FIG. 1 is an exploded perspective view of a gas burner provided in accordance with the present invention.
  • Figure 2 is a schematic plan view of a gas burner provided in accordance with the present invention.
  • Figure 3 is a schematic cross-sectional view taken along line A-A of Figure 2;
  • FIG. 4 is a schematic bottom view of a gas burner according to the present invention after cutting a peripheral nozzle air supply pipe and a center nozzle air supply pipe;
  • Figure 5 is a schematic plan view of the base of the present invention.
  • Figure 6 is a schematic bottom view of the fire-breathing device of the present invention.
  • a gas burner according to the present invention includes a fire cover 1, a fire-breathing device 2, a base 3 and an air intake device 4; the fire cover 1 includes a central fire cover 11 and an external fire.
  • the outer fire cover is composed of an outer fire cover decorative plate 12 and an outer fire cover plate 13 having a central fire ring 21, an inner fire ring 22, and an outer fire ring 23, wherein The inner fire ring 22 is located between the central fire ring and the outer fire ring 23, a central gas mixing chamber 24 is formed in the central fire ring 21, and the central gas mixing chamber 24 is provided with a central gas mixing tube.
  • peripheral gas mixing chambers 25 are formed between the inner ring 22 and the outer ring 23, and a peripheral gas mixing tube 251 is disposed in a middle portion of each of the peripheral gas mixing chambers 25, thereby Not only can the supply of gas required for peripheral combustion be more fully stabilized, but also the mixed gas flows uniformly in the mixing chamber, so that the combustion flame is uniform;
  • the base 3 is provided with a center corresponding to the central gas mixing tube 241 Nozzle chamber 31 and said peripheral gas mixing tube 2
  • a peripheral nozzle chamber 32 corresponding to 51, the intake device 4 is provided with a central nozzle 41 corresponding to the central nozzle chamber 31 and a peripheral nozzle 42 corresponding to the peripheral nozzle chamber 32.
  • the peripheral gas mixing chamber 25, the peripheral nozzle chamber 32 and the peripheral nozzle 42 are all three; the three peripheral nozzle chambers 32 and the central nozzle chamber Between 31, there is a narrow passage 33 for primary air inflow, which is used to replace the central primary air passage in the prior art, which is not only simple in structure, convenient in processing, but also beneficial to increase the inlet area of the secondary air, so that the internal fire
  • the secondary air required for the combustion of the ring 22 and the central ring 21 is sufficiently and stably, so that the middle (i.e., the inner ring 22 and the center ring 21) is fired.
  • the outer fire ring 23 and the central fire ring 21 are both circular in cross section, and the inner fire ring 22 has a "Y" shape in cross section, and the outer shape is beautiful.
  • a plurality of through grooves 29 for inflowing secondary air are formed between the central fire rings 21, and the peripheral gas mixing chambers 25 are separated by two fire guiding grooves 26 and a partition wall 27, and the sides of the fire guiding grooves are And the partition wall separates the peripheral gas mixing chambers into separate parts, and of course, may be separated by a fire escape groove and two partition walls or three fire escape slots.
  • the base 3 includes a disc 34, and the central nozzle chamber 31 is formed in the middle of the disc, and has a substantially circular cross section, and a top end is provided for the center. a port 311 into which the gas mixing tube 241 extends, a bottom hole 312 through which the center nozzle 41 extends; the peripheral nozzle chamber 32 is symmetrically distributed at the adjacent edge of the disk 34, Section generally trapezoidal, top u / ⁇ uy is provided with an opening 321 into which the peripheral gas mixing tube 251 extends, and a bottom hole 322 through which the peripheral nozzle 42 extends.
  • the outer end of the peripheral nozzle chamber 32 is provided with a notch 323 for primary air to enter, and a space between the two adjacent peripheral nozzle cavities forms a secondary air inlet 324; an inner edge of the top end surface of the central nozzle cavity 31
  • the circumferential direction is symmetrically provided with three arc-shaped central positioning ports 313, and at least one of the peripheral nozzle chambers 32 is provided with an external positioning port 325 at the outer end, and the lower surface of the fire-spraying device 2 is provided with the center positioning
  • the ribs 313 and the outer positioning jaws 325 are matched with three ribs 28, and the bottom end faces of the three ribs are in contact with the peripheral end surfaces of the peripheral nozzle chamber 32, the central nozzle chamber 31, and the elongated channel 33.
  • the outer periphery of the central nozzle chamber 31 is further provided with an ignition device 314 and a flameout protection device 315. When it is detected that the combustion flame is extinguished, the flameout protection device 315 immediately disconnects the supply of the nozzle gas.
  • the secondary air II indicated by the double-line arrow flows from under the fire-breathing device 2, it directly supplies the inner ring 22 and the center ring 21; the single-line arrow indicates the primary air I from the fire.
  • the device flows in below, a portion is supplied to the peripheral nozzle 42 and another small portion is supplied to the center nozzle 41 through the elongated passage 33, thereby ensuring that the central nozzle 41 requires an effective supply of air once, and that the three peripheral nozzles 42 are required once again.
  • the effective supply of air does not interfere with each other; in particular, the space occupied by the primary air supply narrow passage 33 is small, and the structure ensures that the effective area of the secondary air inlet required for the inner ring 22 and the central ring is large.
  • the air intake device 4 includes a peripheral nozzle air supply pipe 43 and a central nozzle air supply pipe 44 which are independent of each other, so that the burner can be used simultaneously with three fires, or only
  • the peripheral nozzle air supply pipe 43 is in a "Y" shape, and the three tubular bodies 431 intersect and communicate with each other.
  • the central nozzle air supply pipe 44 has a "one" shape, which is The middle portions of the "Y"-shaped peripheral nozzle air supply pipes 43 intersect but are not in communication.
  • the peripheral nozzles 42 are disposed at three ends of the peripheral nozzle air supply pipe 43.
  • the center nozzle 41 is disposed at an inner end of the center nozzle air supply pipe 44, and the outer end of the center nozzle air supply pipe 44 is provided with a helium port 441, and the inner end is closed.
  • the working principle of the present invention is that the gas is injected from the central nozzle 41 into the central gas mixing pipe 241, and the primary air I from the narrow channel 33 is taken, and the mixed gas/air mixture flows into the center gas mixture.
  • the chamber 24 is ignited after flowing into the fire hole of the center ring 21; the gas emitted from the peripheral nozzle 42 and the primary air I entering the peripheral nozzle chamber 32 are mixed in the peripheral gas mixing tube 251, and the mixed gas/air mixture enters the periphery.
  • the gas mixing chamber 25 finally ignites after flowing into the fire holes in the inner ring 22 and the outer ring 23 respectively; after the secondary air II enters from the secondary air inlet 324, passes between the inner ring 22 and the center ring 21 After the groove 29, it is used for the combustion of the inner ring 22 and the center ring 21, respectively.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)

Abstract

L’invention concerne un brûleur à gaz comprenant un capot anti-incendie, une unité de pulvérisation de flamme, un socle et une unité d’arrivée de gaz. On trouve un anneau de flamme central, un anneau de flamme interne et un anneau de flamme externe aménagés sur ladite unité de pulvérisation de flamme. Une chambre de mélange de gaz centrale est formée dans l’anneau de flamme central et un tube de mélange de gaz central est disposé dans ladite chambre de mélange de gaz centrale. Au moins trois chambres de mélange de gaz périphériques réparties de manière uniforme sont formées entre ledit anneau de flamme interne et ledit anneau de flamme externe, et un tube de mélange de gaz périphérique est disposé dans la section centrale de chaque chambre de mélange de gaz périphérique. Ledit socle comporte une chambre de buse centrale correspondant audit tube de mélange de gaz central et une chambre de buse périphérique correspondant audit tube de mélange de gaz périphérique. Ladite unité d’arrivée de gaz comporte une buse centrale correspondant à ladite chambre de buse centrale et une buse périphérique correspondant à ladite chambre de buse périphérique. Le brûleur à gaz selon l’invention possède non seulement une structure simple et peut être usiné facilement, mais il peut également constituer une flamme uniforme et une grosse flamme au centre, avec trois anneaux de flamme utilisés simultanément ou bien l’anneau de flamme central utilisé seul.
PCT/CN2006/000959 2005-05-20 2006-05-15 Brûleur à gaz Ceased WO2006114063A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNU2005200186632U CN2791482Y (zh) 2005-05-20 2005-05-20 一种燃气燃烧器
CN200520018663.2 2005-05-20

Publications (1)

Publication Number Publication Date
WO2006114063A1 true WO2006114063A1 (fr) 2006-11-02

Family

ID=36807548

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2006/000959 Ceased WO2006114063A1 (fr) 2005-05-20 2006-05-15 Brûleur à gaz

Country Status (2)

Country Link
CN (1) CN2791482Y (fr)
WO (1) WO2006114063A1 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2053309A1 (fr) * 2007-10-23 2009-04-29 Electrolux Home Products Corporation N.V. Brûleur à gaz amélioré
KR20110139727A (ko) * 2009-03-18 2011-12-29 일렉트로룩스 홈 프로덕츠 코오포레이션 엔.브이. 가스 버너
CN104696962A (zh) * 2015-03-09 2015-06-10 广东美的厨房电器制造有限公司 外火盖及燃烧器及燃气灶具
KR101623979B1 (ko) * 2009-11-19 2016-05-24 엘지전자 주식회사 가스 조리기기
CN105627383A (zh) * 2016-03-17 2016-06-01 米永峰 一种燃气灶具
EP2551589A3 (fr) * 2011-07-28 2017-12-13 Turas Gaz Armatürleri Sanayi. Ve Ticaret A.S. Bruleur à gaz comportant plusieurs couronnes de flammes
JP2018508006A (ja) * 2015-03-13 2018-03-22 広東美的厨房電器制造有限公司 バーナー
EP3339731A1 (fr) * 2016-12-20 2018-06-27 Electrolux Appliances Aktiebolag Brûleur à gaz et table de cuisson comprenant un tel brûleur
CN109000246A (zh) * 2018-09-04 2018-12-14 佛山市顺德区美的洗涤电器制造有限公司 燃烧器及燃气灶具
CN109724082A (zh) * 2017-10-31 2019-05-07 宁波方太厨具有限公司 一种高效燃烧器
WO2020047936A1 (fr) * 2018-09-04 2020-03-12 佛山市顺德区美的洗涤电器制造有限公司 Brûleur et cuiseur à gaz

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100464120C (zh) * 2005-08-26 2009-02-25 浙江帅康电气股份有限公司 一种燃气燃烧器
CN105202541B (zh) * 2015-10-15 2017-07-18 宁波方太厨具有限公司 一种稳焰燃烧器
CN106500095B (zh) * 2016-11-18 2018-10-02 宁波方太厨具有限公司 一种用于燃气灶的燃烧器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2270174Y (zh) * 1996-08-10 1997-12-10 邵仲垣 双管三环火燃气炉
CN2636090Y (zh) * 2003-07-25 2004-08-25 胡诚欣 嵌入式燃气炉具的燃烧器总成
CN2658584Y (zh) * 2002-11-12 2004-11-24 萨巴夫股份公司 燃气燃烧器
CN2672495Y (zh) * 2003-12-22 2005-01-19 江苏光芒燃具股份有限公司 燃气灶强火燃烧器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2270174Y (zh) * 1996-08-10 1997-12-10 邵仲垣 双管三环火燃气炉
CN2658584Y (zh) * 2002-11-12 2004-11-24 萨巴夫股份公司 燃气燃烧器
CN2636090Y (zh) * 2003-07-25 2004-08-25 胡诚欣 嵌入式燃气炉具的燃烧器总成
CN2672495Y (zh) * 2003-12-22 2005-01-19 江苏光芒燃具股份有限公司 燃气灶强火燃烧器

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8221116B2 (en) 2007-10-23 2012-07-17 Electrolux Home Products Corporation N.V. Gas burner
WO2009053125A1 (fr) * 2007-10-23 2009-04-30 Electrolux Home Products Corporation N.V. Brûleur à gaz perfectionné
JP2011501099A (ja) * 2007-10-23 2011-01-06 エレクトロラクス ホーム プロダクツ コーポレーション エヌ ヴィ 改良されたガスバーナ
EP2053309A1 (fr) * 2007-10-23 2009-04-29 Electrolux Home Products Corporation N.V. Brûleur à gaz amélioré
EP2258982A3 (fr) * 2007-10-23 2015-08-26 Electrolux Home Products Corporation N.V. Brûler à gaz amélioré
KR101673638B1 (ko) 2009-03-18 2016-11-07 일렉트로룩스 홈 프로덕츠 코오포레이션 엔.브이. 가스 버너
US8753112B2 (en) * 2009-03-18 2014-06-17 Electrolux Home Products Corporation N.V. Gas burner
US20120070791A1 (en) * 2009-03-18 2012-03-22 Electrolux Home Products Corporation N.V. Gas burner
JP2012520981A (ja) * 2009-03-18 2012-09-10 エレクトロラクス ホーム プロダクツ コーポレーション エヌ ヴィ 改良されたガスバーナ
KR20110139727A (ko) * 2009-03-18 2011-12-29 일렉트로룩스 홈 프로덕츠 코오포레이션 엔.브이. 가스 버너
KR101623979B1 (ko) * 2009-11-19 2016-05-24 엘지전자 주식회사 가스 조리기기
EP2551589A3 (fr) * 2011-07-28 2017-12-13 Turas Gaz Armatürleri Sanayi. Ve Ticaret A.S. Bruleur à gaz comportant plusieurs couronnes de flammes
CN104696962A (zh) * 2015-03-09 2015-06-10 广东美的厨房电器制造有限公司 外火盖及燃烧器及燃气灶具
JP2018508006A (ja) * 2015-03-13 2018-03-22 広東美的厨房電器制造有限公司 バーナー
EP3270056A4 (fr) * 2015-03-13 2018-10-17 Guangdong Midea Kitchen Appliances Brûleur
US10465903B2 (en) 2015-03-13 2019-11-05 Guangdong Midea Kitchen Appliances Manufacturing Co., Ltd. Burner
CN105627383A (zh) * 2016-03-17 2016-06-01 米永峰 一种燃气灶具
EP3339731A1 (fr) * 2016-12-20 2018-06-27 Electrolux Appliances Aktiebolag Brûleur à gaz et table de cuisson comprenant un tel brûleur
WO2018114169A1 (fr) * 2016-12-20 2018-06-28 Electrolux Appliances Aktiebolag Brûleur à gaz et plaque de cuisson dotée d'un brûleur à gaz
CN109724082A (zh) * 2017-10-31 2019-05-07 宁波方太厨具有限公司 一种高效燃烧器
CN109724082B (zh) * 2017-10-31 2024-01-23 宁波方太厨具有限公司 一种高效燃烧器
CN109000246A (zh) * 2018-09-04 2018-12-14 佛山市顺德区美的洗涤电器制造有限公司 燃烧器及燃气灶具
WO2020047936A1 (fr) * 2018-09-04 2020-03-12 佛山市顺德区美的洗涤电器制造有限公司 Brûleur et cuiseur à gaz
CN109000246B (zh) * 2018-09-04 2020-07-07 佛山市顺德区美的洗涤电器制造有限公司 燃烧器及燃气灶具

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