EP0552135A2 - Gaskochherdbrenner mit drei konzentrischen Flammen - Google Patents

Gaskochherdbrenner mit drei konzentrischen Flammen Download PDF

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Publication number
EP0552135A2
EP0552135A2 EP93830005A EP93830005A EP0552135A2 EP 0552135 A2 EP0552135 A2 EP 0552135A2 EP 93830005 A EP93830005 A EP 93830005A EP 93830005 A EP93830005 A EP 93830005A EP 0552135 A2 EP0552135 A2 EP 0552135A2
Authority
EP
European Patent Office
Prior art keywords
holes
gas
burner
flame
secondary air
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.)
Granted
Application number
EP93830005A
Other languages
English (en)
French (fr)
Other versions
EP0552135A3 (en
EP0552135B1 (de
Inventor
Roberto Bertazzoni
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.)
Smeg SpA
Original Assignee
Smeg SpA
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 Smeg SpA filed Critical Smeg SpA
Publication of EP0552135A2 publication Critical patent/EP0552135A2/de
Publication of EP0552135A3 publication Critical patent/EP0552135A3/en
Application granted granted Critical
Publication of EP0552135B1 publication Critical patent/EP0552135B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/08—Arrangement or mounting of burners
    • F24C3/085—Arrangement or mounting of burners on ranges
    • 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
    • F23D14/065—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 with injector axis inclined to the burner head axis
    • 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
    • F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
    • F23D14/725—Protection against flame failure by using flame detection devices
    • 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

Definitions

  • This invention concerns an improved gas cooker burner with three concentric flames, and precisely of the type with flame dividing member in a single piece.
  • At least one of the burners intended to be used with the cooking containers of greater diameter, is preferably provided with multiple concentric flames, typically three, to improve the distribution of heat on the bottom of the container itself and thereby have a greater cooking efficiency.
  • This can be achieved with burners and relative flame dividers dismountable into several pieces, but presenting in such a case drawbacks caused by the poor maintenance practicality and the difficulty in obtaining a satisfying level of cleanliness of the pieces themselves.
  • burners have been used with three concentric flames or crowns obtained by two rings in a single piece, but with two separate gas deliveries on the inner ring and the outer ring, separately controlled by two different gastaps or even a single gastap which controls the gas feeding to the outer ring only from a certain level of opening of the delivery onwards, while for reduced supplies the gas flows only from one of the rings or crowns, usually from the innermost one.
  • gastaps which controls the gas feeding to the outer ring only from a certain level of opening of the delivery onwards
  • it proves to be particularly difficult to achieve an even distribution of the gas in the different members which give rise to the concentric flames, so as to have both an exact balancing of the pressures and an adequate flow of secondary air by the different flame areas, while assuring the propagation and preservation of the flame itself, without the presence of frequent flame separation phenomena.
  • the object of this invention is to provide a burner of the above-mentioned type which is free from the aforesaid faults and drawbacks, since it may be fed by a single gas delivery with a single control tap and therefore has a single spark-plug and a single safety thermocouple. In this way the flames spread immediately from the ignition point on the outer crown all the way to the innermost one and there remain, with no flame separation, even for reduced gas delivery, controlled by a single gastap quite similar to the conventional ones for single flame burners.
  • a burner comprising a basic distributing body, connected to a gas delivery tube of known type and having three radial gas passage areas and three intermediate secondary air inlet areas, with a flame dividing member, fit to be placed on said distributing body, comprising two concentric rings connected by three radial members fit to form the cover of the above-mentioned gas passages, with intermediate apertures for the secondary air, the inner ring having on its periphery two staggered rows of holes one on top of the other as well as are present on the surface confronting the latter on the inner periphery of the outer ring, whose outer periphery has other two series of holes one on top of the other and level with the latter a single spark-plug and a thermocouple connected to a known-type gas safety valve are provided.
  • the burner according to this invention fed by the outlet 10a of a gas delivery tube 10 of conventional type, is formed by a body 1 of the real burner upon which a flame dividing member 2 is placed, as it generally occurs in the known single flame burners.
  • the body of the burner 1 serves the purpose, particularly important in this case, of properly distributing the gas, or rather the mixture of gas and primary air fed by the tube 10, to the different flames of the member 2.
  • the body 1 has radial passages 3 communicating with a central hole 5 coaxial with 10a, and separated one from the other by the raised walls 7 defining the vertical passages 9, therefore perpendicular to the plane of the body 1, for the entry of the secondary air by the central flames.
  • the passages 3, as shown in fig.1, are preferably ,three, as well as the secondary air inlet areas 9.
  • the flame dividing member 2 in a single piece according to the invention, substantially includes an outer ring 4 and an inner disc 6.
  • the three flames rise from proper holes on the outer and inner periphery of the ring 4, as well as on the outer periphery of the disc 6.
  • the outer ring 4 and the inner disc 6 are connected by radial connecting members 8, coinciding in number and position with said passages 3 of which they define the upper wall or closing cover.
  • the holes on the flame divider 2 through which the gas comes out and by which the flame is formed, are shown in greater detail.
  • the holes on the inner crown 6 are indicated by 12 and those on the outer ring 4 by 14 and 16, on the inner and outer side respectively. All the holes are preferably oriented upwards and particularly those indicated by 12 and 14, on confronting surfaces, are directed one against the other so as to produce converging gas flows, thus meeting in an intermediate position, substantially along a circumference having its diameter included between that of the central crown 6 and the inner diameter of the ring 4.
  • all the holes 12, 14 and 16 are arranged as two series of holes one on top of the other, which are staggered by the two inner flames in order to make the reciprocal preservation of the flame easier, in that the lower row of holes, alternating with the upper ones, gives rise to the so called "pilot light” which ignites and supports the flame on the upper row of holes, or vice versa.
  • the gas flow is directed radially outwards, as already said before, while the flame spreads inwards starting from the external spark-plug 11.
  • the gas has a higher pressure, consequently their diameter will be smaller than that of the holes 14 and even smaller compared to the outer holes 16.
  • a projecting ledge 18 is provided, capable of reducing this pressure and the occurrence of this phenomenon.
  • each hole 16a is preferably vertically aligned with an upper hole 16 for which it acts as pilot light, as besides is known in prior art.
  • the secondary air for the outer flame reaches the holes 16 and 16a with no particular problems, but this is made easier by a preferred shape of the worktop 20, which forms a raised area 21 on which the burner body 1 is mounted, so that between the latter and the surrounding top remains a space of some millimeters, suitable to make the passage of the secondary air easier, especially in the inner part through the ducts 9.
  • thermocouple 13 is single too and controlled by the existence of the outer flame, which presupposes the presence of the two innermost flame crowns too.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)
  • Control Of Combustion (AREA)
EP93830005A 1992-01-13 1993-01-12 Gaskochherdbrenner mit drei konzentrischen Flammen Expired - Lifetime EP0552135B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI920031 1992-01-13
ITMI920031A IT1258754B (it) 1992-01-13 1992-01-13 Bruciatore perfezionato per fornelli di cottura a gas a tre fiamme concentriche

Publications (3)

Publication Number Publication Date
EP0552135A2 true EP0552135A2 (de) 1993-07-21
EP0552135A3 EP0552135A3 (en) 1993-10-20
EP0552135B1 EP0552135B1 (de) 1997-11-19

Family

ID=11361512

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93830005A Expired - Lifetime EP0552135B1 (de) 1992-01-13 1993-01-12 Gaskochherdbrenner mit drei konzentrischen Flammen

Country Status (4)

Country Link
EP (1) EP0552135B1 (de)
DE (1) DE69315233T2 (de)
ES (1) ES2110588T3 (de)
IT (1) IT1258754B (de)

Cited By (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0797048A1 (de) * 1996-03-19 1997-09-24 SABAF S.p.A. Gasbrenner für Küchengeräte
EP0903538A1 (de) * 1997-09-23 1999-03-24 SABAF S.p.A. Gasbrenner
EP0926437A1 (de) * 1997-12-23 1999-06-30 BSH Bosch und Siemens Hausgeräte GmbH Gasbrenneranordnung für Kochstellen
EP1016823A1 (de) * 1998-12-30 2000-07-05 Brandt Cooking Gasbrenner mit Sekundärdruckluftzufuhr
EP1067334A1 (de) 1999-07-09 2001-01-10 BSH Bosch und Siemens Hausgeräte GmbH Gasbrenner für Geräte zum Garen von Nahrungsmitteln
DE20019731U1 (de) * 2000-09-23 2001-12-13 Ega Engineering Gmbh Zweikreisbrenner mit Brennerring und Mittenbrenner
EP1180642A1 (de) * 2000-08-02 2002-02-20 SMEG S.p.A. Hochgeschwindigkeitsbrenner für eine Kochstelle
US6508645B1 (en) 2001-08-28 2003-01-21 Power Flame Incorporated Manifold diffuser assembly for a gas burner
WO2005080870A1 (fr) 2004-01-23 2005-09-01 Burner Systems International (Bsi) Bruleur a gaz pour appareil culinaire
EP1621814A2 (de) * 2004-07-30 2006-02-01 Orkli, S. Coop. Thermoelementsicherheitsvorrichtung für flammenkontrolle und thermoelementkörper
WO2008104832A3 (en) * 2007-02-27 2009-04-23 Indesit Co Spa Cooking top
US7901205B2 (en) * 2005-07-29 2011-03-08 Burner Systems International (Bsi) Gas burner with multiple concentric flame rings
CN102121716A (zh) * 2011-04-11 2011-07-13 美的集团有限公司 装有易清洁燃烧器的红外线燃气灶
WO2011072357A3 (en) * 2009-12-15 2012-03-22 Whirlpool S.A. A burner for a cooking table
US8662069B2 (en) 2005-09-30 2014-03-04 Indesit Company S.P.A. Cooking top with gas burner comprising a semi-permeable element
EP2708813A1 (de) * 2012-09-17 2014-03-19 ELECTROLUX PROFESSIONAL S.p.A. Brenner für Gaskochfeld
CN103727540A (zh) * 2012-10-16 2014-04-16 刘洪凯 高效燃烧器总成
US8746229B2 (en) 2007-02-26 2014-06-10 Indesit Company S.P.A. Gas burner system for food cooking appliances
CN104235851A (zh) * 2014-10-13 2014-12-24 慈溪市神驹节能科技有限公司 逆火富氧聚能燃气灶逆火环组件
EP2806213A3 (de) * 2013-05-23 2015-04-01 LG Electronics, Inc. Kochvorrichtung und Brenner
CN104807009A (zh) * 2015-04-02 2015-07-29 郝乾坤 一种红外线燃烧器的炉头
CN104807007A (zh) * 2015-05-27 2015-07-29 李家敏 燃气灶燃烧器
US9285115B2 (en) 2007-02-27 2016-03-15 Indesit Company S.P.A. Cooking top
EP3030839A2 (de) * 2013-08-09 2016-06-15 Intell Properties B.V. Gasbrenner und brennerabdeckung
CN105782980A (zh) * 2016-05-10 2016-07-20 广东星立方厨房科技有限公司 一种燃烧器的分火器座及灶具燃烧器
EP3404324A1 (de) * 2017-05-15 2018-11-21 BSH Hausgeräte GmbH Für gaskochfeld verwendeter brennerdeckel eines brenners, brennerkopf, brenner und gaskochfeld
CN109556141A (zh) * 2018-12-18 2019-04-02 成都前锋电子有限责任公司 一种方便清洗且节能环保的触屏感应式灶具
US10393371B2 (en) 2016-12-30 2019-08-27 Whirlpool Corporation Gas burner
CN110410786A (zh) * 2018-04-28 2019-11-05 宁波方太厨具有限公司 一种灶具燃烧器
EP3591289A1 (de) * 2018-07-04 2020-01-08 BSH Hausgeräte GmbH Zweikreisbrenner, gasbrenneranordnung und gasherd
CN110793028A (zh) * 2019-11-18 2020-02-14 杭州德意电器股份有限公司 一种高热负荷高热效率燃烧器
CN111256128A (zh) * 2018-11-30 2020-06-09 宁波方太厨具有限公司 一种用于燃气灶的燃烧器
CN111964064A (zh) * 2020-08-28 2020-11-20 宁波方太厨具有限公司 外环火盖及燃气灶
CN111964065A (zh) * 2020-08-28 2020-11-20 宁波方太厨具有限公司 外环火盖及燃气灶

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1317527C (zh) * 2005-08-09 2007-05-23 宁波方太厨具有限公司 多腔一体式燃烧器
CN101025267B (zh) * 2006-02-17 2010-11-10 纳蒂尼·塔纳敦龙塞 煤气炉头或燃烧器
CN101403500B (zh) * 2007-10-06 2010-09-01 吴成年 一种内焰燃气灶的燃烧器
ES2375855B1 (es) 2009-01-26 2012-10-10 Butsir S.L Quemador doble de gas.
US11940148B2 (en) 2021-10-28 2024-03-26 Electrolux Appliances Aktiebolag Multi injection dual ring gas burner for domestic gas cooking units

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH166409A (fr) * 1932-12-03 1933-12-31 Le Reve Sa Brûleur à gaz.
US2649850A (en) * 1950-02-11 1953-08-25 Perfection Stove Co Top burner assembly, including a flash tube lighter for cooking stoves or ranges
DE3346929A1 (de) * 1983-12-24 1985-07-11 Paul Isphording Metallwerke GmbH & Co KG, 5952 Attendorn Brenneroberteil fuer eine gaskochstelle
GB2223302A (en) * 1988-09-28 1990-04-04 Tiao Ho Yen Gas burner
GB2233444A (en) * 1989-08-16 1991-01-09 Lee Cheng San Cooking apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH166409A (fr) * 1932-12-03 1933-12-31 Le Reve Sa Brûleur à gaz.
US2649850A (en) * 1950-02-11 1953-08-25 Perfection Stove Co Top burner assembly, including a flash tube lighter for cooking stoves or ranges
DE3346929A1 (de) * 1983-12-24 1985-07-11 Paul Isphording Metallwerke GmbH & Co KG, 5952 Attendorn Brenneroberteil fuer eine gaskochstelle
GB2223302A (en) * 1988-09-28 1990-04-04 Tiao Ho Yen Gas burner
GB2233444A (en) * 1989-08-16 1991-01-09 Lee Cheng San Cooking apparatus

Cited By (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100453121B1 (ko) * 1996-03-19 2004-12-23 사바프 에스. 피. 에이. 주방용버너
EP0797048A1 (de) * 1996-03-19 1997-09-24 SABAF S.p.A. Gasbrenner für Küchengeräte
EP0903538A1 (de) * 1997-09-23 1999-03-24 SABAF S.p.A. Gasbrenner
US6035846A (en) * 1997-09-23 2000-03-14 Sabaf S.P.A. Gas burner
EP0926437A1 (de) * 1997-12-23 1999-06-30 BSH Bosch und Siemens Hausgeräte GmbH Gasbrenneranordnung für Kochstellen
EP1016823A1 (de) * 1998-12-30 2000-07-05 Brandt Cooking Gasbrenner mit Sekundärdruckluftzufuhr
FR2788111A1 (fr) 1998-12-30 2000-07-07 Europ Equip Menager Bruleur a gaz alimente en air secondaire force
EP1067334A1 (de) 1999-07-09 2001-01-10 BSH Bosch und Siemens Hausgeräte GmbH Gasbrenner für Geräte zum Garen von Nahrungsmitteln
EP1180642A1 (de) * 2000-08-02 2002-02-20 SMEG S.p.A. Hochgeschwindigkeitsbrenner für eine Kochstelle
DE20019731U1 (de) * 2000-09-23 2001-12-13 Ega Engineering Gmbh Zweikreisbrenner mit Brennerring und Mittenbrenner
US6508645B1 (en) 2001-08-28 2003-01-21 Power Flame Incorporated Manifold diffuser assembly for a gas burner
WO2005080870A1 (fr) 2004-01-23 2005-09-01 Burner Systems International (Bsi) Bruleur a gaz pour appareil culinaire
EP1621814A3 (de) * 2004-07-30 2014-02-26 Orkli, S. Coop. Thermoelementsicherheitsvorrichtung für flammenkontrolle und thermoelementkörper
EP1621814A2 (de) * 2004-07-30 2006-02-01 Orkli, S. Coop. Thermoelementsicherheitsvorrichtung für flammenkontrolle und thermoelementkörper
US7901205B2 (en) * 2005-07-29 2011-03-08 Burner Systems International (Bsi) Gas burner with multiple concentric flame rings
US8662069B2 (en) 2005-09-30 2014-03-04 Indesit Company S.P.A. Cooking top with gas burner comprising a semi-permeable element
US8746229B2 (en) 2007-02-26 2014-06-10 Indesit Company S.P.A. Gas burner system for food cooking appliances
WO2008104832A3 (en) * 2007-02-27 2009-04-23 Indesit Co Spa Cooking top
US9285115B2 (en) 2007-02-27 2016-03-15 Indesit Company S.P.A. Cooking top
US8683991B2 (en) 2007-02-27 2014-04-01 Indesit Company, S.P.A. Cooking top
WO2011072357A3 (en) * 2009-12-15 2012-03-22 Whirlpool S.A. A burner for a cooking table
CN102121716A (zh) * 2011-04-11 2011-07-13 美的集团有限公司 装有易清洁燃烧器的红外线燃气灶
CN102121716B (zh) * 2011-04-11 2012-11-07 美的集团有限公司 装有易清洁燃烧器的红外线燃气灶
CN103672900A (zh) * 2012-09-17 2014-03-26 伊莱克斯专业股份公司 燃气灶台的燃烧器
US9534792B2 (en) 2012-09-17 2017-01-03 Electrolux Professional S.P.A. Burner for a gas cooktop
RU2635749C2 (ru) * 2012-09-17 2017-11-15 Электролюкс Профешинал С.П.А. Горелка для газовой варочной панели
EP2708813A1 (de) * 2012-09-17 2014-03-19 ELECTROLUX PROFESSIONAL S.p.A. Brenner für Gaskochfeld
CN103672900B (zh) * 2012-09-17 2017-11-03 伊莱克斯专业股份公司 燃气灶台的燃烧器
CN103727540A (zh) * 2012-10-16 2014-04-16 刘洪凯 高效燃烧器总成
CN103727540B (zh) * 2012-10-16 2016-01-27 刘洪凯 高效燃烧器总成
EP2806213A3 (de) * 2013-05-23 2015-04-01 LG Electronics, Inc. Kochvorrichtung und Brenner
US9528708B2 (en) 2013-05-23 2016-12-27 Lg Electronics Inc. Cooking appliance and burner
EP3030839B1 (de) * 2013-08-09 2022-04-06 Intell Properties B.V. Gasbrenner und brennerabdeckung
EP3030839A2 (de) * 2013-08-09 2016-06-15 Intell Properties B.V. Gasbrenner und brennerabdeckung
CN104235851A (zh) * 2014-10-13 2014-12-24 慈溪市神驹节能科技有限公司 逆火富氧聚能燃气灶逆火环组件
CN104807009A (zh) * 2015-04-02 2015-07-29 郝乾坤 一种红外线燃烧器的炉头
CN104807007A (zh) * 2015-05-27 2015-07-29 李家敏 燃气灶燃烧器
CN105782980A (zh) * 2016-05-10 2016-07-20 广东星立方厨房科技有限公司 一种燃烧器的分火器座及灶具燃烧器
US10393371B2 (en) 2016-12-30 2019-08-27 Whirlpool Corporation Gas burner
EP3404324A1 (de) * 2017-05-15 2018-11-21 BSH Hausgeräte GmbH Für gaskochfeld verwendeter brennerdeckel eines brenners, brennerkopf, brenner und gaskochfeld
EP3404325A1 (de) * 2017-05-15 2018-11-21 BSH Hausgeräte GmbH Brennerdeckelsockel für gaskochfeld, herd, brenner und gaskochfeld
CN110410786A (zh) * 2018-04-28 2019-11-05 宁波方太厨具有限公司 一种灶具燃烧器
CN110410786B (zh) * 2018-04-28 2024-04-16 宁波方太厨具有限公司 一种灶具燃烧器
EP3591289A1 (de) * 2018-07-04 2020-01-08 BSH Hausgeräte GmbH Zweikreisbrenner, gasbrenneranordnung und gasherd
ES2737125A1 (es) * 2018-07-04 2020-01-10 Bsh Electrodomesticos Espana Sa Quemador de doble circuito, disposicion de quemador de gas, y cocina de gas
CN111256128B (zh) * 2018-11-30 2021-12-03 宁波方太厨具有限公司 一种用于燃气灶的燃烧器
CN111256128A (zh) * 2018-11-30 2020-06-09 宁波方太厨具有限公司 一种用于燃气灶的燃烧器
CN109556141A (zh) * 2018-12-18 2019-04-02 成都前锋电子有限责任公司 一种方便清洗且节能环保的触屏感应式灶具
CN109556141B (zh) * 2018-12-18 2023-12-29 成都前锋电子有限责任公司 一种方便清洗且节能环保的触屏感应式灶具
CN110793028A (zh) * 2019-11-18 2020-02-14 杭州德意电器股份有限公司 一种高热负荷高热效率燃烧器
CN111964064B (zh) * 2020-08-28 2021-06-04 宁波方太厨具有限公司 外环火盖及燃气灶
CN111964065A (zh) * 2020-08-28 2020-11-20 宁波方太厨具有限公司 外环火盖及燃气灶
CN111964064A (zh) * 2020-08-28 2020-11-20 宁波方太厨具有限公司 外环火盖及燃气灶

Also Published As

Publication number Publication date
DE69315233T2 (de) 1998-03-19
IT1258754B (it) 1996-02-27
ITMI920031A0 (it) 1992-01-13
ITMI920031A1 (it) 1993-07-13
EP0552135A3 (en) 1993-10-20
DE69315233D1 (de) 1998-01-02
EP0552135B1 (de) 1997-11-19
ES2110588T3 (es) 1998-02-16

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