EP2835581B1 - Gaszufuhreinrichtung für einen Gasbrenner mit einer Abdeckeinrichtung zum Abdecken einer radialen Öffnung in einer Gaszufuhrleitung für einen Gasbrenner und Kochstelle - Google Patents

Gaszufuhreinrichtung für einen Gasbrenner mit einer Abdeckeinrichtung zum Abdecken einer radialen Öffnung in einer Gaszufuhrleitung für einen Gasbrenner und Kochstelle Download PDF

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Publication number
EP2835581B1
EP2835581B1 EP14178299.5A EP14178299A EP2835581B1 EP 2835581 B1 EP2835581 B1 EP 2835581B1 EP 14178299 A EP14178299 A EP 14178299A EP 2835581 B1 EP2835581 B1 EP 2835581B1
Authority
EP
European Patent Office
Prior art keywords
gas supply
supply line
gas
feed conduit
cover
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.)
Active
Application number
EP14178299.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2835581A3 (de
EP2835581A2 (de
Inventor
Luis Acosta Herrero
Christophe Cadeau
Javier Corral Ricalde
Melca Gutierrez Humara
Pedro Herrera Estrada
Alberto Lopez Ortiz
Jose Salvador Ochoa Torres
Luis Antonio Palacios Valdueza
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
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 BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2835581A2 publication Critical patent/EP2835581A2/de
Publication of EP2835581A3 publication Critical patent/EP2835581A3/de
Application granted granted Critical
Publication of EP2835581B1 publication Critical patent/EP2835581B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F23D14/62—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

Definitions

  • the present invention relates to a gas supply device for a gas burner with a covering device for covering a radial opening in a gas supply line for a gas burner and a cooking point.
  • a gas supply line of a gas burner In order to achieve complete gas combustion, primary air is fed into a gas supply line of a gas burner.
  • a radial opening may be provided on the gas supply line.
  • the gas burner is used for different types of gas, a cross-sectional area of the radial opening is adjustable.
  • the radial opening can be opened according to the required amount of primary air, partially covered or completely closed.
  • the US 182,952 A describes a cover device for a gas burner, which is adapted to encompass a gas supply line of the gas burner. The cover may be rotated to cover a radial opening of the gas supply line relative thereto.
  • the EP 0 309 950 A2 describes an atmospheric gas burner with a cover which is provided on a mixing tube of the gas burner to regulate the proportion of the primary air fraction in the mixture, if necessary, depending on the respective local gas pressure.
  • the US 4,686,957 A describes a rotatable cover device for covering a radial opening of a gas supply line.
  • the US 3,351,118 A describes a cover device for covering a radial opening of a gas supply line.
  • the covering device comprises an anti-rotation element which engages in a form-fitting manner around a rib provided on the outside of the gas supply line in order to prevent the covering device from rotating relative to the gas supply line.
  • the US 3,905,756 A describes a cover device for covering a radial opening of a gas supply line. To release and cover the opening, the covering device is rotatable relative to the gas supply line.
  • the US 1,406,614 A describes a cover device for covering a radial opening of a gas supply line. The cover means is axially slidable and rotatable relative to the gas supply line to cover or release the opening.
  • the US 2,494,881 A describes a retaining clip for a pipeline.
  • the retaining clip has a Umgreifabêt for grasping the pipeline.
  • the GB142159 also describes a cover device for covering a radial opening of a gas supply device.
  • an object of the present invention is to provide an improved and easy-to-handle gas supply device for a gas burner. Accordingly, a gas supply device for a gas burner with a gas supply line, which has two radial openings, and a covering device for covering the radial openings according to claim 1 is proposed.
  • the covering device is designed to change a cross-sectional area of the radial opening of the gas supply line, in particular to reduce it.
  • the cover device can be slid radially and without tools radially onto the gas supply line.
  • the gripping portion is spring biased so that it is bent when pushed onto the gas supply line and thus at least partially positively engages around.
  • an inner diameter of the Umgreifabitess is smaller than an outer diameter of the gas supply line. In this way, a spring bias of the Umgreifabitess be achieved.
  • the cover can be quickly and easily installed, disassembled or replaced in a built-in gas hob gas burner. As a result, a high flexibility in the fuel used can be achieved.
  • the gas supply line and the Umgreifabites are designed such that the Umgreifabites exerts a radial holding force in the direction of the gas supply line.
  • a sealing means may be provided between the Umgreifabites and the supply line.
  • the covering device has two anti-rotation elements.
  • the anti-rotation elements can intervene in a form-fitting manner, for example, in bores, ribs, protrusions or the like provided on an outer side of the gas supply line.
  • the anti-rotation element ensures a well-defined positioning of the covering device on the gas supply line.
  • the anti-rotation element allows easy installation of the cover, since it is automatically positioned by means of the anti-rotation element to the gas supply line.
  • the anti-rotation element is adapted to engage in the radial opening of the gas supply line to prevent twisting of the cover relative to the gas supply line.
  • the cover device has two anti-rotation elements, which engage in opposite radial openings of the gas supply line.
  • the anti-rotation element engages positively in the radial opening.
  • the anti-rotation ensures a better seal the radial opening.
  • the anti-rotation element extends out of the gripping portion in the direction of the gas supply line.
  • the Umgreifabites has, for example, a cylindrical shape with a circumferential wall portion from which extends the anti-rotation element out.
  • the anti-rotation element preferably extends toward a central axis of the cylindrical gripping portion.
  • the anti-rotation element may for example be formed as a fold of Umgreifabitess.
  • the anti-rotation element is in particular centrein Publishedig formed with the Umgreifabites. The fact that the anti-rotation element is preferably formed as a fold of Umgreifabitess, a simple and inexpensive production of the covering is possible.
  • the gripping portion and the handling portion are formed in one piece material.
  • the covering device is formed with a metal material. That is, the cover is partially or completely made of metal.
  • the covering device is a sheet-metal bending component. This results in low production costs. Also conceivable are plastic materials.
  • the covering device has an insertion section arranged on the gripping section for insertion of the gas supply line into the gripping section.
  • the insertion section preferably has two beveled introduction arms.
  • the insertion section is preferably arranged opposite the handling section on the encompassing section.
  • the insertion section is adapted to allow a radial sliding of the cover on the gas supply line. hereby a good and easy mountability of the cover is achieved on the gas supply line.
  • the gripping portion and the insertion are formed centrein Nativeig. This results in low production costs in the production of the covering.
  • the handling section is elastically deformable.
  • the handling section can be elastically deformed when the covering device is pushed onto the gas supply line.
  • the insertion section and / or the Umgreifabites may be elastically deformable. This allows a comfortable installation of the cover.
  • the covering device is designed as a sheet-metal bending component.
  • the production as Blechbie juxtaposeil is simple, inexpensive and can be done in large quantities.
  • the cover can be made of spring steel.
  • a hotplate with a gas burner and such a gas supply device is proposed.
  • the FIG. 1 shows a schematic perspective view of a gas burner 1.
  • the gas burner 1, an internal burner 2 and an external burner 3 have.
  • the inner burner 2 may be accommodated in the outer burner 3.
  • the gas burner 1 also has an ignition device 4 and a burner house or housing 5.
  • the gas burner 1 may have a gas supply device 6 of the internal burner 2 and a gas supply device 7 of the external burner 3. In the following, only the gas supply device 6 of the internal burner 2 will be discussed.
  • the gas supply device 7 of the outer burner 3 may be formed analogously to the gas supply device 6 of the inner burner 2.
  • the gas supply device 6 has a gas supply line 8.
  • the gas supply line 8 is preferably tubular.
  • the gas supply device 6 is in FIG. 2 in a schematic Section view shown.
  • the gas supply line 8 may be a mixing line of the gas burner 1.
  • a gaseous fuel such as natural gas, city gas, LPG or the like is mixed with primary air.
  • the gaseous fuel flowing through the gas supply line 8 is marked with an arrow 9.
  • the gas supply line 8 has at least one radial opening 10.
  • the radial opening 10 has, as in the FIG. 3 shown, a cross-sectional area A on.
  • two opposing radial openings 10, 11 are provided on the gas supply line 8.
  • the openings 10, 11 are preferably formed rectangular with rounded corners. In the following, only the opening 10 will be discussed for the sake of simplicity.
  • the opening 10 has, for example, a length I and a width r.
  • the opening 10 Through the radial opening 10 primary air can flow into the gas supply line 8 and mix with the gaseous fuel located there.
  • the inflow of the primary air through the opening 10 is in the FIG. 2 illustrated by an arrow 12.
  • a higher or lower volume flow of primary air is required.
  • the volume flow of primary air through the opening 10 is dependent on the size of the cross-sectional area A.
  • the opening 10 may be completely or partially covered with a covering device 13.
  • the covering device 13 is adapted to change the cross-sectional area A of the radial opening, in particular to reduce it.
  • the cover device 13 may be configured to cover the radial opening 10 completely or only partially.
  • the radial opening 10 may also be covered with a plurality of cover devices 13 arranged next to one another.
  • the cover device 13 has a gripping portion 14, which is adapted to at least partially encompass the gas supply line 8 in a form-fitting manner and to cover the radial opening 10.
  • the covering device 13 may have a sealing means which is arranged between the gripping section 14 and the gas supply line 8.
  • the cover 13 is in the FIGS. 4 and 5 shown.
  • the gripping portion 14 has a hollow cylindrical shape with a central axis 15.
  • the Umgreifabites 14 may have two opposing interruptions of its wall.
  • a handling portion 16 which is preferably formed integrally with the Umgreifabites 14 material.
  • the handling section 16 preferably has an omega shape and merges into the wall of the encompassing section 14.
  • the handling portion 16 is used to handle the cover 13 in a radial pushing them in the radial direction R on the gas supply line 8.
  • a width b of the Umgreifabites 14 may be greater than the length I of the radial opening 10.
  • the width b may be smaller than the length of the radial opening I.
  • covering devices 13 with different widths b can be used for different types of fuel.
  • the width b of the Umgreifabitess 14 is greater than the length I of the radial opening 10, the Umgreifabites 14, the radial opening 10 completely cover.
  • the handling section 16 preferably has the same width as the width b of the encompassing section 14.
  • the handling section 16 is preferably elastically deformable.
  • an insertion section 17 of the cover 13 may be provided.
  • the insertion section 17 preferably has two insertion arms 18, 19.
  • the insertion arms 18, 19 are curved with their end portions facing away from each other.
  • the insertion section 17 is preferably formed in one piece with the gripping portion 14.
  • the insertion arms 18, 19 are adapted to move away from each other with a radial sliding of the cover 13 in the direction R to the gas supply line 8, wherein the handling portion 16, the Umgreifabites 14 and / or the insertion arms 18, 19 are elastically deformed.
  • the covering device 13 is designed in particular as a sheet-metal bending component.
  • the cover 13 has a spring steel. That is, the cover 13 is completely or partially formed with a spring steel. This results in good retention properties of the cover 13, since this encloses the gas supply line 8.
  • the covering device 13 has two anti-rotation elements 20, 21.
  • the cover 13 has one or two anti-rotation elements 20, 21.
  • the anti-rotation element 20 rests on an edge of the radial opening 10, and the anti-rotation element 21 rests on an edge of the radial opening 11 such that the cover 13 is secured against rotation relative to a central axis 22 of the gas supply line 8.
  • the anti-rotation elements 20, 21 are preferably formed integrally with the Umgreifabites 14.
  • the anti-rotation elements 20, 21 extend out of the encompassing section 14 in the direction of the central axis 15 thereof or in the direction of the gas supply line 8.
  • the anti-rotation elements 20, 21 are preferably formed as folds of Umgreifabitess 14.
  • the anti-rotation elements 20, 21 are perpendicular to the Umgreifabites 14 deformed portions thereof.
  • perpendicular is meant an angle of 90 ° ⁇ 10 °, preferably 90 ° ⁇ 5 °, more preferably 90 ° ⁇ 1 °.
  • the covering device 13 has the encompassing section 14 which is adapted to at least partially embrace the gas supply line 8 in a form-fitting manner and to cover the radial opening 10.
  • At the encompassing portion 14 of the handling portion 16 for handling the cover 13 is arranged at a radial sliding of the same on the gas supply line 8. All other elements explained above are merely optional components of the cover device 13.
  • a gas cooking point 23 has a gas burner 1 as described above and a gas supply device 7 as described above.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Gas Burners (AREA)
EP14178299.5A 2013-08-09 2014-07-24 Gaszufuhreinrichtung für einen Gasbrenner mit einer Abdeckeinrichtung zum Abdecken einer radialen Öffnung in einer Gaszufuhrleitung für einen Gasbrenner und Kochstelle Active EP2835581B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201331247 2013-08-09

Publications (3)

Publication Number Publication Date
EP2835581A2 EP2835581A2 (de) 2015-02-11
EP2835581A3 EP2835581A3 (de) 2015-02-25
EP2835581B1 true EP2835581B1 (de) 2018-03-14

Family

ID=51225328

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14178299.5A Active EP2835581B1 (de) 2013-08-09 2014-07-24 Gaszufuhreinrichtung für einen Gasbrenner mit einer Abdeckeinrichtung zum Abdecken einer radialen Öffnung in einer Gaszufuhrleitung für einen Gasbrenner und Kochstelle

Country Status (3)

Country Link
EP (1) EP2835581B1 (es)
CN (1) CN104344418B (es)
ES (1) ES2664987T3 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUB20153850A1 (it) * 2015-04-24 2017-03-24 Defendi Italy Srl Bruciatore a gas con piu corone di fiamme per piani di cottura.
WO2017051364A2 (en) * 2015-09-24 2017-03-30 Defendi Italy S.R.L. A gas burner with multiple rings of flames for cooking hobs

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB142159A (es) *

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1406614A (en) * 1920-04-30 1922-02-14 Thomas W Corkell Regulator for gas-heater burners
GB182952A (en) * 1921-04-18 1922-07-18 John Smith Improvements in or relating to incandescent gas burners
US2494881A (en) * 1945-07-03 1950-01-17 Prestole Corp Fastening device for condensers or the like
US3351118A (en) * 1966-06-20 1967-11-07 Midland Ross Corp Means for supplying air to a gas burner
US3905756A (en) * 1974-05-09 1975-09-16 Lincoln Brass Works Shutter structure and mixing tube assembly for gas burner
US4686957A (en) * 1984-10-30 1987-08-18 Modern Home Products Corp. Gas nozzle attachment
JPS61272518A (ja) * 1985-05-25 1986-12-02 Nakajima Doukoushiyo:Kk 液化ガスを用いた熱加工装置
EP0309950B1 (de) * 1987-09-28 1993-06-02 Joh. Vaillant GmbH u. Co. Atmosphärischer Gasbrenner
CN202209683U (zh) * 2011-08-09 2012-05-02 北京市燃气集团有限责任公司 燃气灶具喷嘴同轴度柔性调整机构
CN202792021U (zh) * 2012-07-20 2013-03-13 陈开银 猛火节能燃气炉头

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB142159A (es) *

Also Published As

Publication number Publication date
EP2835581A3 (de) 2015-02-25
ES2664987T3 (es) 2018-04-24
EP2835581A2 (de) 2015-02-11
CN104344418A (zh) 2015-02-11
CN104344418B (zh) 2018-03-30

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