EP0125965A1 - Brenner für gasförmigen Brennstoff mit eingebautem Zünd- und Sicherheitssystem - Google Patents

Brenner für gasförmigen Brennstoff mit eingebautem Zünd- und Sicherheitssystem Download PDF

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Publication number
EP0125965A1
EP0125965A1 EP84400831A EP84400831A EP0125965A1 EP 0125965 A1 EP0125965 A1 EP 0125965A1 EP 84400831 A EP84400831 A EP 84400831A EP 84400831 A EP84400831 A EP 84400831A EP 0125965 A1 EP0125965 A1 EP 0125965A1
Authority
EP
European Patent Office
Prior art keywords
burner
burner body
cap
grooves
burner according
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
EP84400831A
Other languages
English (en)
French (fr)
Other versions
EP0125965B1 (de
Inventor
Jacques François Pistien
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.)
Engie SA
Original Assignee
Gaz de France SA
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 Gaz de France SA filed Critical Gaz de France SA
Priority to AT84400831T priority Critical patent/ATE35451T1/de
Publication of EP0125965A1 publication Critical patent/EP0125965A1/de
Application granted granted Critical
Publication of EP0125965B1 publication Critical patent/EP0125965B1/de
Expired legal-status Critical Current

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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
    • F23D14/72—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
    • 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

Definitions

  • the present invention relates generally to burners for gaseous fuels, in particular for cooking appliances, equipped with ignition and extinguishing safety devices.
  • the invention relates more particularly to a burner for gaseous fuels with ignition and safety systems incorporated, with main flame and with pilot flame to stabilize the latter, comprising a burner body which defines an annular distribution chamber receiving the gas mixture.
  • primary fuel-air, main passages being formed in the burner body to supply the main flame with fuel mixture from said chamber and auxiliary passages also being formed in the burner body for supplying the pilot flame with fuel mixture from from the room; at least one ignition electrode; a security feature; and a protective cap disposed on the burner body.
  • the ignition of the burners can be carried out electrically by sparks emitted by an electrode or spark plug by means of a piezoelectric or electronic system.
  • the safety device can be constituted by an expansion device (metallic, liquid or vapor), a device producing an electromotive force, such as for example a thermocouple, or an electronic device using for example an ionization detection electrode.
  • an expansion device metallic, liquid or vapor
  • a device producing an electromotive force such as for example a thermocouple
  • an electronic device using for example an ionization detection electrode such as for example a thermocouple
  • the electrodes ignition, and the safety elements are arranged outside the burners, near the flame exit orifices, in the axis of the latter and at a determined distance from the orifices.
  • the present invention aims precisely to remedy the aforementioned drawbacks and to provide a burner ensuring effective protection of the ignition and safety devices against the risks of damage or adjustment.
  • a burner of the type defined at the top of the present document characterized in that the burner body defines a central well coaxial with the distribution chamber, located under the cap and opening out at the bottom of the burner to allow the 'secondary air supply; in that radial grooves opening at least locally into the distribution chamber are formed in the upper part of the burner body located under the cap and in that the ignition electrode and the safety element are arranged at the inside the central well under the protective cap.
  • the ignition electrodes and safety elements can be effectively protected against external aggressions.
  • the holes and grooves in the upper part of the burner head allow ignition by electrode and safety by thermocouple from inside the burner while ensuring interignition.
  • the radial grooves are formed in the burner body in the vicinity of the ignition electrode and the safety element.
  • the ignition electrode and the safety element are placed diametrically opposite inside the central well.
  • the ignition electrode and the safety element are mounted on flanges of the burner body which form protrusions inside the central well.
  • the grooves formed in the upper part of the burner body allow communication with the distribution chamber by means of two orifices forming an angle between them.
  • the grooves formed in the upper part of the burner body are flared at the peripheral part of the burner body.
  • the grooves formed in the burner body have a width of between about 1 and 4mm.
  • the cap rests on the burner head by ribs delimiting between them radial passages.
  • the radial passages formed between the ribs are of constant width or are slightly narrowed towards the periphery of the cap.
  • the height of the ribs is at least about 4mm.
  • the particular configuration of the bottom surface of the hat allows both better distribution of the calories absorbed during operation burner and greater ventilation in the flames, which improves combustion.
  • FIGS. 1 and 2 show a burner according to the invention, which has no ignition or safety device located outside the burner body 100.
  • the burner body itself is made up of three main parts.
  • a lower annular part 102 delimits a distribution chamber for the primary fuel-air gas mixture which arrives via a lateral duct 101 opening into the annular distribution chamber 20.
  • the inner annular wall of the distribution chamber 20 delimits a free space 50 which opens out at the lower part of the burner while being isolated from the interior of the distribution chamber 20.
  • the main flames and the pilot flame are supplied with combustible mixture from the distribution chamber 20 by passages 22, 21 respectively arranged in the intermediate part 103 of the burner.
  • the annular passage 21 for supplying the pilot flame can be delimited for example by two separate parts 103, 103 ′ of the intermediate part of the burner while the passages 22 for supplying the main flames can be formed on the upper surface external part of the upper part 103 ′ of the intermediate part 103, 103 ′.
  • the passages 22 are distributed uniformly over the entire periphery of the burner.
  • the upper part 104 of the burner body 100 which cooperates with the intermediate part 103, 103 ′ to define the main passages 22 for supplying the main flames, has the form of a cylindrical sleeve provided with a flange 107 (FIG. 3 ).
  • a protective cap 105 rests on the flange 107 of the upper part 104 of the burner.
  • a vertical central well 50 is formed inside the burner over the entire height thereof and is only closed at its upper part by the cap 105.
  • An electrode 10 and a safety element 15 are arranged inside the central well 50 and are fixed on pairs of flanges 51, 52 and 53, 54 respectively.
  • one 53, 51 is secured to the upper part 104 of the burner body
  • the other 54, 52 is secured to the lower part 102 of the burner body.
  • the security element 15 fastened to the flange 54 by nuts 13,: 14, has its active portion 16 (e.g. a thermocouple located immediately below the cap 105, in the vicinity of the upper portion 104.
  • the electrode 10 presents its active part 11 immediately under the cap 105 in the vicinity of the upper part 104.
  • the security element 15 and the electrode 10 are arranged diametrically opposite inside the cylindrical well 50 and are parallel to the axis of the burner.
  • the electrode 10 and the safety element 15 which pass through the flanges 51, 52 and 53, 54 respectively are connected by conductors 12, 17 respectively to the conventional electric burner control devices, not shown.
  • FIG. 1 we will now consider more particularly Figures 1, 3 and 4 where we can observe the presence of grooves 41, 42 formed in the upper face of the upper part 104 of the burner body 100.
  • the radial grooves 42, 41 are located in look at the active parts 11, 16 of the electrode 10 and of the safety element 15 respectively.
  • the grooves 41, 42 are thus aligned along a diameter of the flange 107.
  • Each groove 41, 42 communicates through an orifice 43, 45 respectively with the annular space 47 for distributing the fuel mixture at the main passages 22 main flame supply.
  • the orifices 43, 45 are intended to allow interignition.
  • Additional orifices 44, 46 whose axes are inclined for example by about 50 to 60 ° relative to the axis of the first orifices 43, 45 respectively, put in communication with the annular space 47 for distribution of the fuel mixture to the main passages 22, vertical groove parts 41b, 42b which extend the horizontal groove parts 41a, 42a of the grooves 41 42.
  • the orifices 43, 45 also contribute to allowing interignition.
  • the grooves 41, 42 may have slightly different configurations from those shown in the figures, but it is essential that each of the grooves communicates at least locally, with the annular space 47 for distributing the fuel mixture at the main passages 22.
  • Each groove 41 , 42 may for example have a greater width at its upper part and be extended by a narrower slot communicating with the annular space 47. It is advantageous that the grooves 41, 42 are slightly flared in the zone where they open out. at the periphery of the burner body.
  • a groove 41, 42 may have a width on the order of 2 to 2.5 mm and a depth on the order of 1.2 to 1. , 5mm, the orifices 43, 44, 45, 46 may have a diameter close to the width of the grooves.
  • the protective cap 105 rests on the upper surface of the flange 107 of the part 104 by planar projections or ribs 151 regularly distributed around the periphery of the lower face. of the cap 105.
  • Radial passages 152 of substantially constant width or slightly increasing towards the outside are reserved between the ribs 151.
  • the passages 152 favor the passage of secondary air and the aeration of the flames while the lower surfaces
  • the ribs 151 in contact with the burner head 104 participate in the diffusion of the calories absorbed during the operation of the burner.
  • the ribs 151 may for example be twelve in number and are regularly distributed over the peripheral part of the underside of the cap 105.
  • the ribs 151 may have a height of the order of 3 to 5mm.
  • Pawns 153 are engaged in corresponding housings 141 (FIG. 4) of the flange 107 of the part 104 to correctly position the cap 105 on the burner body 100.
  • the cap 105 has a diameter equal to or slightly greater than the diameter of the burner body 100 at the pilot flame.
  • the grooves 41, 42 and orifices 43 to 46 formed in the upper part 104 of the burner head have the role of enabling the ignition by electrode and the safety by thermocouple from the inside. of the burner.
  • the diameter of the orifices 43 to 46, their location, and the dimensional characteristics of the grooves 41, 42 are adapted to ensure inter-ignition and safety over a whole determined range of use of the burner between full flow and reduced flow.
  • the parameters of these elements can thus be adapted to different operating conditions.
  • the orifices 46, 44 are essential for maintaining a residual flame in the vicinity of the elements 10 and 15 and ensuring inter-ignition by the annular zone 47 while the orifices 45, 43 do not have only a more secondary role.
  • the burner body as described above is particularly easy to manufacture and can be made, for example, of aluminum. It is particularly suitable for extra-flat cooktops.
  • the assembly of the electrodes and safety elements is also particularly simple.

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)
EP84400831A 1983-04-29 1984-04-25 Brenner für gasförmigen Brennstoff mit eingebautem Zünd- und Sicherheitssystem Expired EP0125965B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84400831T ATE35451T1 (de) 1983-04-29 1984-04-25 Brenner fuer gasfoermigen brennstoff mit eingebautem zuend- und sicherheitssystem.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8307170 1983-04-29
FR8307170A FR2545196B1 (fr) 1983-04-29 1983-04-29 Bruleur pour combustibles gazeux a systemes d'allumage et de securite incorpores

Publications (2)

Publication Number Publication Date
EP0125965A1 true EP0125965A1 (de) 1984-11-21
EP0125965B1 EP0125965B1 (de) 1988-06-29

Family

ID=9288409

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84400831A Expired EP0125965B1 (de) 1983-04-29 1984-04-25 Brenner für gasförmigen Brennstoff mit eingebautem Zünd- und Sicherheitssystem

Country Status (8)

Country Link
US (1) US4518346A (de)
EP (1) EP0125965B1 (de)
JP (1) JPS6086316A (de)
AT (1) ATE35451T1 (de)
CA (1) CA1223516A (de)
DE (1) DE3472444D1 (de)
ES (1) ES287342Y (de)
FR (1) FR2545196B1 (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2594213A1 (fr) * 1986-02-13 1987-08-14 Madec Mater France Bruleur perfectionne pour combustibles gazeux a systemes d'allumage et de securite incorpores
FR2618881A2 (fr) * 1986-02-13 1989-02-03 Madec Mater France Bruleur perfectionne pour combustibles gazeux a systemes d'allumage et de securite incorpores
GB2209593A (en) * 1987-09-08 1989-05-17 Sourdillon Airindex Sa Gas burner
GB2240840A (en) * 1990-02-12 1991-08-14 Lin Shing Juh A gas burner
GB2272283A (en) * 1992-10-22 1994-05-11 Fagor S Coop Ltda Super-slim gas safety burner
EP0634608A2 (de) * 1993-07-16 1995-01-18 Officine Meccaniche Defendi S.R.L: Doppelring-Gasbrenner
AU685865B2 (en) * 1993-12-09 1998-01-29 Ausmark International Pty Ltd Wok burner with dispersement plate
EP1067334A1 (de) 1999-07-09 2001-01-10 BSH Bosch und Siemens Hausgeräte GmbH Gasbrenner für Geräte zum Garen von Nahrungsmitteln
CN111271740A (zh) * 2020-03-09 2020-06-12 嵊州市圣华智控科技有限公司 一种高稳定性燃气点火装置

Families Citing this family (50)

* Cited by examiner, † Cited by third party
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US4626196A (en) * 1985-09-23 1986-12-02 Harper-Wyman Company Spark ignited gas burner
JPS6358019A (ja) * 1986-08-29 1988-03-12 Matsushita Electric Ind Co Ltd ガスコンロ
JPH01142308A (ja) * 1987-11-28 1989-06-05 Rinnai Corp こんろ用バーナ
US4810188A (en) * 1988-03-09 1989-03-07 Harper-Wyman Company Spark ignited gas burner assembly
US4846671A (en) * 1988-03-09 1989-07-11 Harper-Wyman Company Integral spark ignited gas burner assembly
JPH05660Y2 (de) * 1988-07-22 1993-01-11
US5085202A (en) * 1989-12-12 1992-02-04 Robertshaw Controls Company Burner construction and method of making the same
US5133334A (en) * 1989-12-12 1992-07-28 Robertshaw Controls Company Burner construction and method of making the same
US5325842A (en) * 1992-07-24 1994-07-05 Maytag Corporation Dual mode downdraft gas range
US5209217A (en) * 1992-07-24 1993-05-11 Maytag Corporation Downdraft gas range with dual mode burner system
ES2063663B1 (es) * 1992-10-22 1996-02-01 Fagor S Coop Ltda Quemador de gas extraplano con seguridad.
US5364264A (en) * 1993-11-15 1994-11-15 Harper-Wyman Company Electrode assembly for gas burner spark ignition
US5397234A (en) * 1993-11-15 1995-03-14 Harper-Wyman Company Gas stove top burner assembly
US5639232A (en) * 1995-06-26 1997-06-17 Middleby Marshall Inc. Gas burner
US5865615A (en) * 1997-02-12 1999-02-02 Lincoln Brass Works, Inc. Sealed burner
US6067978A (en) * 1997-08-07 2000-05-30 Schlosser; Erich J. Outdoor cooking apparatus with improved auxiliary gas burner
DE19757733A1 (de) * 1997-12-23 1999-06-24 Bosch Siemens Hausgeraete Gasbrenneranordnung
FR2788840B1 (fr) 1999-01-22 2001-04-27 Lacanche Soc Ind De Bruleur a gaz pour appareil de cuisson
US6817353B2 (en) * 2003-04-10 2004-11-16 Maytag Corporation Front serviceable ignition system for a cooking appliance
US20050056268A1 (en) * 2003-09-17 2005-03-17 General Electric Company Gas burner for a cooking appliance
US20050277079A1 (en) * 2004-06-15 2005-12-15 Tsen-Tung Wu Gas burner
US20060147865A1 (en) * 2005-01-05 2006-07-06 Charles Czajka Cooking range burner head assembly
US20100154776A1 (en) * 2005-01-05 2010-06-24 Charles Czajka Cooking range burner head assembly
ITVE20050004A1 (it) * 2005-01-20 2006-07-21 Ohg Defendi S R L Bruciatore a gas per apparecchiature di cottura.
DE102006053426A1 (de) * 2006-11-13 2008-05-15 BSH Bosch und Siemens Hausgeräte GmbH Brennerring
ITVE20070096A1 (it) * 2007-12-11 2009-06-12 Defendi Italy Srl Bruciatore a gas per apparecchi di cottura.-
KR101182530B1 (ko) * 2007-12-14 2012-09-12 엘지전자 주식회사 탑버너 및 이를 포함하는 조리기기
US7841332B2 (en) * 2008-02-14 2010-11-30 Electrolux Home Products, Inc. Burner with flame stability
EP2278225B1 (de) * 2008-03-24 2018-10-17 Shinfuji Burner Co., Ltd. Brenner
KR101533867B1 (ko) * 2008-12-12 2015-07-03 사바프 에스. 피. 에이. 가정용 조리기를 위한 가스버너
CN201582887U (zh) * 2009-11-23 2010-09-15 惠而浦产品研发（深圳）有限公司 火盖及灶头
ITVA20100010U1 (it) * 2010-03-25 2011-09-26 Whirlpool Co Sistema di fissaggio per un elettrodo di accensione di un bruciatore a gas.
GR1007692B (el) * 2010-12-16 2012-09-18 Λαζαριδης Δ. Γεωργιος & Σια Εβεε, Καυστηρας καυσιμου αεριου
JP5770703B2 (ja) * 2012-10-22 2015-08-26 リンナイ株式会社 コンロ用バーナ
JP5946778B2 (ja) * 2013-01-28 2016-07-06 リンナイ株式会社 コンロ用バーナ
CN104534472B (zh) * 2014-12-11 2017-03-22 广东阿诗丹顿电气有限公司 一种火盖和灶具燃烧器
CN104696959B (zh) * 2015-03-03 2017-03-29 兆轩能科技有限公司 一种燃烧器及其点火器
USD787041S1 (en) 2015-09-17 2017-05-16 Whirlpool Corporation Gas burner
US10837651B2 (en) 2015-09-24 2020-11-17 Whirlpool Corporation Oven cavity connector for operating power accessory trays for cooking appliance
US11777190B2 (en) 2015-12-29 2023-10-03 Whirlpool Corporation Appliance including an antenna using a portion of appliance as a ground plane
US10145568B2 (en) 2016-06-27 2018-12-04 Whirlpool Corporation High efficiency high power inner flame burner
US10627113B2 (en) 2016-12-29 2020-04-21 Whirlpool Corporation Distributed vertical flame burner
US10551056B2 (en) 2017-02-23 2020-02-04 Whirlpool Corporation Burner base
US10451290B2 (en) 2017-03-07 2019-10-22 Whirlpool Corporation Forced convection steam assembly
US10660162B2 (en) 2017-03-16 2020-05-19 Whirlpool Corporation Power delivery system for an induction cooktop with multi-output inverters
US10753617B2 (en) * 2017-08-16 2020-08-25 Haier Us Appliance Solutions, Inc. Cooktop appliance with a gas burner assembly
ES2703850A1 (es) * 2017-09-12 2019-03-12 Bsh Electrodomesticos Espana Sa Quemador de gas, disposicion de quemadores de gas, y aparato de coccion domestico
US10627116B2 (en) 2018-06-26 2020-04-21 Whirlpool Corporation Ventilation system for cooking appliance
US10619862B2 (en) 2018-06-28 2020-04-14 Whirlpool Corporation Frontal cooling towers for a ventilation system of a cooking appliance
US10837652B2 (en) 2018-07-18 2020-11-17 Whirlpool Corporation Appliance secondary door

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GB1032381A (en) * 1964-01-01 1966-06-08 Gas Council Improvements in or relating to gas cookers
FR2062094A1 (de) * 1969-10-10 1971-06-25 Thomson Csf
GB1348245A (en) * 1970-07-31 1974-03-13 Parkinson Cowan Appliances Ltd Gas burner
GB1443553A (en) * 1973-07-25 1976-07-21 British Gas Corp Gas burners
GB1543618A (en) * 1977-02-18 1979-04-04 British Gas Corp Gas burners

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1032381A (en) * 1964-01-01 1966-06-08 Gas Council Improvements in or relating to gas cookers
FR2062094A1 (de) * 1969-10-10 1971-06-25 Thomson Csf
GB1348245A (en) * 1970-07-31 1974-03-13 Parkinson Cowan Appliances Ltd Gas burner
GB1443553A (en) * 1973-07-25 1976-07-21 British Gas Corp Gas burners
GB1543618A (en) * 1977-02-18 1979-04-04 British Gas Corp Gas burners

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2594213A1 (fr) * 1986-02-13 1987-08-14 Madec Mater France Bruleur perfectionne pour combustibles gazeux a systemes d'allumage et de securite incorpores
FR2618881A2 (fr) * 1986-02-13 1989-02-03 Madec Mater France Bruleur perfectionne pour combustibles gazeux a systemes d'allumage et de securite incorpores
GB2209593A (en) * 1987-09-08 1989-05-17 Sourdillon Airindex Sa Gas burner
GB2209593B (en) * 1987-09-08 1991-10-30 Sourdillon Airindex Sa Improvements in or relating to a gas burner
GB2240840A (en) * 1990-02-12 1991-08-14 Lin Shing Juh A gas burner
GB2240840B (en) * 1990-02-12 1993-08-04 Lin Shing Juh A gas burner
GB2272283A (en) * 1992-10-22 1994-05-11 Fagor S Coop Ltda Super-slim gas safety burner
ES2109119A1 (es) * 1992-10-22 1998-01-01 Fagor S Coop Ltda Mejoras introducidas en el quemador de gas extraplano de la solicitud de patente n- 9202120.
EP0634608A2 (de) * 1993-07-16 1995-01-18 Officine Meccaniche Defendi S.R.L: Doppelring-Gasbrenner
EP0634608A3 (de) * 1993-07-16 1995-06-21 Defendi Off Mec Srl Doppelring-Gasbrenner.
AU685865B2 (en) * 1993-12-09 1998-01-29 Ausmark International Pty Ltd Wok burner with dispersement plate
EP1067334A1 (de) 1999-07-09 2001-01-10 BSH Bosch und Siemens Hausgeräte GmbH Gasbrenner für Geräte zum Garen von Nahrungsmitteln
CN111271740A (zh) * 2020-03-09 2020-06-12 嵊州市圣华智控科技有限公司 一种高稳定性燃气点火装置

Also Published As

Publication number Publication date
JPH0137644B2 (de) 1989-08-08
FR2545196A1 (fr) 1984-11-02
FR2545196B1 (fr) 1985-08-16
ATE35451T1 (de) 1988-07-15
ES287342U (es) 1986-05-01
CA1223516A (en) 1987-06-30
DE3472444D1 (en) 1988-08-04
EP0125965B1 (de) 1988-06-29
ES287342Y (es) 1987-01-16
US4518346A (en) 1985-05-21
JPS6086316A (ja) 1985-05-15

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