EP1666793A1 - Gasversorgungs-Vorrichtung für einen Brenner eines Gargerätes und Montageprozess - Google Patents

Gasversorgungs-Vorrichtung für einen Brenner eines Gargerätes und Montageprozess Download PDF

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Publication number
EP1666793A1
EP1666793A1 EP05111418A EP05111418A EP1666793A1 EP 1666793 A1 EP1666793 A1 EP 1666793A1 EP 05111418 A EP05111418 A EP 05111418A EP 05111418 A EP05111418 A EP 05111418A EP 1666793 A1 EP1666793 A1 EP 1666793A1
Authority
EP
European Patent Office
Prior art keywords
gas
burner
gas supply
support means
injection means
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.)
Withdrawn
Application number
EP05111418A
Other languages
English (en)
French (fr)
Inventor
Régis Dando
Patrick Derbois
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.)
Brandt Industries SAS
Original Assignee
Brandt Industries SAS
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 Brandt Industries SAS filed Critical Brandt Industries SAS
Publication of EP1666793A1 publication Critical patent/EP1666793A1/de
Withdrawn legal-status Critical Current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
    • F23D14/48—Nozzles
    • 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, e.g. noise reduction means
    • F23D14/62—Mixing devices; Mixing tubes
    • F23D14/64—Mixing devices; Mixing tubes with injectors
    • 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

Definitions

  • the present invention relates to a device for supplying gas to a burner of a cooking appliance.
  • It also relates to a method of assembling such a device for supplying gas to a burner, particularly for a hob with a pot burner.
  • Cooking appliances such as stoves, hotplates and stoves include at least one burner mounted remote from the control valve and shut off the gas supply.
  • the connection between the burner and the tap is made by a tube.
  • pot burner The type of gas burner referred to by the invention is commonly called pot burner.
  • pot-type burners comprise a recess in the hearth plate forming the pot whose bottom has an opening in which is mounted an injection means connected to the gas supply tube. More specifically, the gas supply tube is connected to the support means of the gas injection means. Inside the pot is assembled a burner body on which a burner cap is placed.
  • pot burners are supported by the pot bottom extending below the hearth plate which can be made for example of enamelled sheet or glass ceramic glass.
  • the pot type burner makes it possible to create a channel between the pot formed in the hearth plate and the burner. This channel allows a primary flow of air in the direction of the injection means to be mixed with the gas leaving said injection means.
  • the arrival of the gas in the pot burner is effected by injecting the gas by an injection means supported by a support means for passing through the bottom of the burner pot.
  • the axis of the injector is generally vertical.
  • the feed support means is a metal part comprising an angled injection channel for supplying the gas injection means of the burner. Additional functions are integrated in the support means of said injection means used for the operation of the burner. These additional means such as a spark plug is used to create a spark to ignite the mixture of air and gas located in the combustion chamber of the burner.
  • the complementary means may also consist of a thermocouple associated with the support means of said injection means for detecting the presence of a flame in the burner. In the situation where the flame is extinguished, the gas supply valve is shut off.
  • the support means of said injection means is a voluminous, parallelepipedic piece incorporating many functions. The complexity of this part makes it expensive to achieve it during the molding phase and requires rework by machining.
  • injector holder In order to allow the mounting of the gas supply means of the burner, it is known to fix the injection means on a molded part and then machined called injector holder. This part belonging to or being integral with the structure of the cooking appliance.
  • the means for fixing the support means of said known injection means have disadvantages. Indeed, the support means of said injection means is threaded on its outer part. It also includes a collar bearing on the hearth plate. Then the assembly is fixed by a nut tightening the support means with the hearth plate. This mounting operation is long and not ergonomic for the operator.
  • the support means of said injection means whose gas inlet channel is substantially parallel to the hearth plate is mounted with an angular orientation to allow mounting of the gas supply tube.
  • the present invention aims to provide a support means for said injection means at the lowest cost by using just the necessary material and allowing an assembly of the gas supply tube without angular orientation.
  • the gas injection means and the support means of said gas injection means form a single piece.
  • the support means of said gas injection means is a part of revolution.
  • the invention makes it possible to gain a quantity of material necessary for producing and to save time during assembly of the gas supply device.
  • the invention relates to a first method of assembling a device for supplying gas to a burner on a cooking appliance according to the invention, in which an opening extends in the cooking plate.
  • the outlet opening facing the gas supply tube, said gas supply tube is fixed on a holding piece, the hearth plate is assembled on the structure of the cooking apparatus and a means for supporting the means Injection molding is fixed by screwing through the hearth plate and the holding part, at the same time, the support means is fitted on the gas supply tube.
  • This method of supplying gas to a burner comprises attaching the gas supply tube to a holding piece, assembling the hearth plate to the structure of the cooking apparatus, and attaching the means for supporting the injection means by screwing through the hearth plate and the holding and fitting part of the support means on the gas supply tube.
  • Such a method of supplying gas to a burner makes it possible to reduce the cost of producing the assembly and a precise positioning of the injection means with respect to the burner.
  • This method of supplying gas to a burner comprises fixing the means for supporting the injection means through the hearth plate, fitting and fixing the gas supply tube to the support means. and closing the cooking apparatus.
  • Such a method of supplying gas to a burner makes it possible to assemble the cooking appliance in reverse, in a simple and economical manner.
  • the gas burner 17 shown in Figure 1 comprises a burner body 10 resting on the pot 12 of a hearth plate 3 and a burner cap 11 placed on the burner body 10.
  • the gas burner 17 is fed gas by an injection means 4 and air from above the hearth plate 3 as illustrated by the arrow 41.
  • the injection means 4 is placed under the hole 13 of the burner body 10.
  • the injection means 4 is substantially a piece of revolution of axis 14 having a cylindrical bore 15 also of axis 14 through which the gas arrives in the hole 13 of the burner body 10.
  • the gas supply device according to the invention is used to align the axis 14 and the axis 16 of the burner body 10.
  • the injection means 4 comprises on its outer part means for attaching to the support means 1. These fastening means comprise an axis threading 14 which is screwed onto a thread formed on the support means 1. This means of 4 injection is removable to allow to adapt the cooking appliance to different combustion gases such as butane gas or natural gas.
  • the injection means 4 and the support means 1 may form a single piece as illustrated in Figure 2 while maintaining the interchangeability of the single piece provided with the injection means 4. This simplification reduces costs obtaining the gas supply device.
  • the lower part of the bore 15 of the injection means 4 is opening into the bore 20 of the support means 1.
  • This bore 20 of the support means 1 has an inlet opening 40 for the feed tube 5. gas.
  • This bore 20 of the support means 1 has larger dimensions in most cases to accommodate the gas supply tube 5.
  • the bore 15 of the injection means 4 is coaxial with the bore 20 of the support means 1.
  • the axis 14 of the inlet opening 40 of the support means 1 of said injection means 4 is substantially aligned with the axis of the bore 15 of the injection means 4.
  • the connection of the gas supply tube 5 to the support means 1 of said injection means 4 is simplified.
  • the assembly is achieved by fitting the gas supply tube 5 into the bore 20 of the support means 1 with the insertion of an O-ring 7.
  • the sealing is ensured by the O-ring 7 which is compressed between the outer face of the gas supply pipe 5 and the face of the bore 20 of the support means 1.
  • the gas supply tube 5 comprises a collar 32. This collar 32 makes it possible to prevent the removal of the O-ring 7 during the insertion of the gas supply pipe 5 into the bore 20 of the support means 1.
  • the bore 20 of the support means 1 comprises a shoulder 42 so as to provide a space in which the O-ring 7 is positioned to improve the seal between the outer face of the gas supply pipe 5 and the face of the bore 20 of the support means 1.
  • the O-ring 7 has an inside diameter close to the diameter of the gas supply pipe 5 and an outside diameter slightly greater than that of the bore 20 of the support means 1 to be tight and to guarantee tightness.
  • thermocouple 8 and spark plug 9 Means complementary to the operation of the gas burner 17 are no longer carried by the support means 1 such as a thermocouple 8 and a spark plug 9.
  • the complementary means 8 and 9 are not shown in FIG. two components are represented in the form of substantially cylindrical parts and having axes substantially parallel to the axis 14.
  • the axis of the spark plug 9 is designated by the number 19 and that of the thermocouple 8 by the number 18.
  • the support means 1 is in the form of a stepped shaft which is also axially 14 following the assembly.
  • the portion of the shaft located below the flange 27 is provided with fixing means.
  • a lower flat face 28 of the flange 27 is supported, when the fastening means of the support means 1 are in the final position of the assembly, against the upper face 29 of the hearth plate 3.
  • the faces 28 and 29 are substantially perpendicular to the axis 14, so that they constitute, when they bear against each other, a relatively precise positioning of the support means 1 relative to the burner body 10 in the direction of axis 14.
  • the support means 1 comprises fastening means on its outer face such as for example a thread 31.
  • the support means 1 is screwed into a hole 30 in the pot 12 of the gas burner 17.
  • the hole 30 is substantially the axis 14 so that the support means 1 is centered with respect to the burner body 10.
  • the diameter of the hole 30 is slightly smaller than the diameter of the thread 31 of the support means 1 so that the attachment is assured.
  • the support means 1 is mounted from above the hearth plate 3.
  • the support means 1 and the burner body 10 being positioned relative to the hearth plate 3 above. assembly principle allows to control the misalignment between the axis 16 of the body of the burner 10 and the axis 14 of the injector 4. In this embodiment, it is necessary to control only the shape and the position of the top pot 12 of the hearth plate 3 to reduce the cost of manufacture.
  • the support means 1 is made of brass to withstand temperature stresses and aggression related to cooking food.
  • FIG. 4 represents a support means 1 of the injection means 4 similar to that represented in the preceding figures. It comprises means for fixing the support means 1 by elastic latching.
  • the support means 1 comprises a groove 33 below the flange 27.
  • a clip 34 is placed in the groove 33 and abuts on the inner face of the hearth plate 3 to ensure the positioning of the support means 1 .
  • the same clip 34 can also be mounted on the thread 31 of the support means 1 to perform the function of holding said support means 1 with respect to the inner face of the hearth plate 3.
  • FIG. 5 shows a gas burner 17 identical to that shown in the previous figures. It comprises means for fixing the support means 1 by screwing on the crosspiece 22.
  • the diameter of the hole 30 of the hearth plate 3 is substantially wider than the diameter of the support means 1 located under the flange 27.
  • the means support 1 has a thread on the portion below the flange 27 to be screwed on the cross member 22 having an opening 38 whose width is substantially smaller.
  • a holding piece 35 of the gas supply tube 5 has for example two lugs 36 and 37. Said two lugs 36, 37 of the holding piece 35 rest on tabs of the crosspiece 22.
  • the holding piece 35 is also provided with an opening for the passage of the gas supply tube 5.
  • the holding piece 35 is positioned below the collar 32 of the gas supply tube 5 preventing the removal of said tube 5 when the holding member 35 is fixed.
  • This assembly is implemented after mounting the gas supply tube 5 on a cross member 22 belonging to or being integral with the structure of the cooking appliance. This assembly is implemented by elastic snapping of a holding piece 35 in two tabs carried by the crosspiece 22.
  • the assembly of the gas supply device is preferably implemented after the fitting of the valves for adjusting and shutting off the gas supply. shown in the figures so that the cooking appliance will be closed when the operator will mount the support means 1 of the injection means 4.
  • the cooking apparatus is closed by assembling the hearth plate 3 on the structure of said cooking appliance. This assembly is carried out simply by positioning the hearth plate on the housing of the cooking appliance and then fixing it by known fastening means.
  • This method of assembly ensures a more precise positioning of the injection means 4 with respect to the hearth plate 3 because the positioning tolerances are more restricted. As a result, the alignment of the axis 14 of the injection means 4 and the axis 16 of the gas burner 17 is improved.
  • the seal 7 is positioned in the bore 20 of the support means 1 and abuts against the shoulder 42 of said bore 20.
  • the support means 1 is screwed onto the hearth plate 3 and the cross member 22 as illustrated in FIG. 5 until the bottom face 28 of the flange 27 is blocked on the upper face 29 of the plate. 3.
  • the engagement of the support means 1 in the cooking plate allows the bore 20 of the support means 1 to fit onto the gas supply tube 5.
  • a device for supplying gas to a burner of a cooking appliance is thus obtained, enabling an ergonomic assembly for the operator, easy maintenance of the injection means 4 for the after-sales service and then precise positioning of the injection means 4 with respect to the burner 17.
  • this method of assembly makes it possible to mount the support means 1 of the injection means 4 and the injection means 4 without opening the structure of the cooking appliance.
  • the assembly of the gas supply device is preferably implemented after mounting of the gas supply adjustment and shut-off valves not shown in the figures so that the gas supply tubes 5 will be positioned. when the operator will carry out the mounting of the support means 1 of the injection means 4 on the hearth plate 3.
  • This method of assembly allows a simplified mounting of the support means 1 of the injection means 4. No piece of maintenance is necessary for the assembly of the support means 1. As a result, the cost of performing the function is kept to a minimum.
  • the seal 7 is positioned in the bore 20 of the support means 1 and abuts against the shoulder 42 of said bore 20.
  • the support means 1 is mounted from above on the hearth plate 3 by one of the fixing means described above until the blocking of the lower face 28 of the flange 27 on the upper face 29 of the hearth plate 3 .
  • the positioning of a support means 1 is simultaneous with the fixing of said support means 1 on the hearth plate 3.
  • the cooking appliance is closed by assembling the hearth plate 3 on the structure of said cooking appliance.
  • This assembly is carried out simply by positioning the hearth plate on the housing of the cooking appliance and then fixing it by known fastening means.
  • the gas supply tube 5 is connected at one of these ends to the medium support bore 1 of the injection means 4 until contact with the collar 32 of the gas supply tube 5 with the base support means 1.
  • the attachment of the gas supply tube 5 to a support means 1 allows the attachment of said support means 1 to the hearth plate 3.
  • the hearth plate 3 is closed on the structure of the cooking appliance.
  • the gas supply tubes 5 are connected at the other end to the regulating and shutoff valves.
  • a device for supplying gas to a burner of a cooking appliance is thus obtained, enabling a simple and economical assembly.

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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)
EP05111418A 2004-12-02 2005-11-29 Gasversorgungs-Vorrichtung für einen Brenner eines Gargerätes und Montageprozess Withdrawn EP1666793A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0412912A FR2878939B1 (fr) 2004-12-02 2004-12-02 Dispositif et procede d'alimentation en gaz d'un bruleur d'un appareil de cuisson

Publications (1)

Publication Number Publication Date
EP1666793A1 true EP1666793A1 (de) 2006-06-07

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EP05111418A Withdrawn EP1666793A1 (de) 2004-12-02 2005-11-29 Gasversorgungs-Vorrichtung für einen Brenner eines Gargerätes und Montageprozess

Country Status (2)

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EP (1) EP1666793A1 (de)
FR (1) FR2878939B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2920521A1 (fr) * 2007-08-29 2009-03-06 Brandt Ind Sas Dispositif d'aliment en gaz d'un bruleur a gaz et appareil de cuisson a gaz
EP3045811A1 (de) * 2015-01-13 2016-07-20 LG Electronics Inc. Kochgerät und gasbrenner
WO2017211973A1 (en) * 2016-06-09 2017-12-14 Arcelik Anonim Sirketi A cooking device comprising an injector
WO2020260261A1 (en) 2019-06-28 2020-12-30 BSH Hausgeräte GmbH A gas cooker

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1253507A (fr) * 1960-03-22 1961-02-10 Homann Werke Brûleur formant en même temps support de casseroles
US5623917A (en) * 1995-12-21 1997-04-29 White Consolidated Industries, Inc. Sealed burner assembly
US5704778A (en) * 1997-02-28 1998-01-06 Tri Square Industrial Co., Ltd. Gas burner
EP1024328A2 (de) * 1999-01-29 2000-08-02 EGA Engineering GmbH Gasbrenner für flache Kochmulden
US6170479B1 (en) * 1998-05-02 2001-01-09 Schott Glas Arrangement for attaching an atmospheric gas burner to the burner opening of a cooking surface that is made of glass or glass ceramic as well as a cooking area with such an arrangement
US20030000512A1 (en) * 2000-04-28 2003-01-02 Paolo Moresco Gas burner for a cooking hob
EP1406043A1 (de) * 2002-10-04 2004-04-07 Burner Systems International (BSI) Gasbrenner

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1253507A (fr) * 1960-03-22 1961-02-10 Homann Werke Brûleur formant en même temps support de casseroles
US5623917A (en) * 1995-12-21 1997-04-29 White Consolidated Industries, Inc. Sealed burner assembly
US5704778A (en) * 1997-02-28 1998-01-06 Tri Square Industrial Co., Ltd. Gas burner
US6170479B1 (en) * 1998-05-02 2001-01-09 Schott Glas Arrangement for attaching an atmospheric gas burner to the burner opening of a cooking surface that is made of glass or glass ceramic as well as a cooking area with such an arrangement
EP1024328A2 (de) * 1999-01-29 2000-08-02 EGA Engineering GmbH Gasbrenner für flache Kochmulden
US20030000512A1 (en) * 2000-04-28 2003-01-02 Paolo Moresco Gas burner for a cooking hob
EP1406043A1 (de) * 2002-10-04 2004-04-07 Burner Systems International (BSI) Gasbrenner

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2920521A1 (fr) * 2007-08-29 2009-03-06 Brandt Ind Sas Dispositif d'aliment en gaz d'un bruleur a gaz et appareil de cuisson a gaz
EP3045811A1 (de) * 2015-01-13 2016-07-20 LG Electronics Inc. Kochgerät und gasbrenner
KR20160087118A (ko) * 2015-01-13 2016-07-21 엘지전자 주식회사 조리기기 및 가스 버너 유닛
US10502428B2 (en) 2015-01-13 2019-12-10 Lg Electronics Inc. Cooking appliance and gas burner
WO2017211973A1 (en) * 2016-06-09 2017-12-14 Arcelik Anonim Sirketi A cooking device comprising an injector
WO2020260261A1 (en) 2019-06-28 2020-12-30 BSH Hausgeräte GmbH A gas cooker

Also Published As

Publication number Publication date
FR2878939A1 (fr) 2006-06-09
FR2878939B1 (fr) 2007-02-09

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