EP2439449A1 - Brûleur à gaz pour un réchaud - Google Patents

Brûleur à gaz pour un réchaud Download PDF

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Publication number
EP2439449A1
EP2439449A1 EP11183792A EP11183792A EP2439449A1 EP 2439449 A1 EP2439449 A1 EP 2439449A1 EP 11183792 A EP11183792 A EP 11183792A EP 11183792 A EP11183792 A EP 11183792A EP 2439449 A1 EP2439449 A1 EP 2439449A1
Authority
EP
European Patent Office
Prior art keywords
burner
gas
burner head
region
flame
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
EP11183792A
Other languages
German (de)
English (en)
Other versions
EP2439449B1 (fr
Inventor
Christophe Cadeau
Elena LEINMÜLLER
Jörn Naumann
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 Bosch und Siemens 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 Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to EP11183792.8A priority Critical patent/EP2439449B1/fr
Publication of EP2439449A1 publication Critical patent/EP2439449A1/fr
Application granted granted Critical
Publication of EP2439449B1 publication Critical patent/EP2439449B1/fr
Not-in-force 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
    • F23D14/02—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
    • F23D2207/00—Ignition devices associated with burner
    • 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
    • F23D2900/14061—Special features of gas burners for cooking ranges having a coated burner cap

Definitions

  • a flame outlet region As a flame outlet region with a conical outer cross section, which tapers upwards, a flame outlet region is designated according to the invention, the outer diameter of which decreases from its lower end to its upper end.
  • the outer wall of the flame outlet area thus forms the shape of a truncated cone.
  • the largest dimensions of the burner cover and the burner head body are understood in the radial direction.
  • the radial outer dimensions of the burner head here denote the dimensions that has the burner head body over most of its circumference and height.
  • the upper region of the burner head main body is understood to be the region of the gas burner between the flame exit region and the covering surface.
  • the points of the burner cover and of the burner head main body furthest in the radial direction from the center axis of the gas burner lie on a vertically extending line due to the cylinder shape formed according to the invention.
  • a line is hereby preferably referred to, which is perpendicular to the horizontal.
  • a line that is at an angle between 85 ° and 95 ° to the horizontal referred to as a vertical line.
  • the efficiency is thus optimized compared to conventional gas burners.
  • part of the flame energy is conducted into the gas burner itself and heats it up.
  • the diameter of the burner cap is greater than the diameter of the flame distributor.
  • the flame exit angle is therefore flattened and the thermal exchange distance between the flame and a pot located on the burner is therefore reduced.
  • the flames touch the burner cover over a long distance, whereby the entire burner is heated more.
  • the burner temperature is reduced and increased efficiency.
  • the disturbance of the flame outlet angle is minimized by the burner cap.
  • the diameter of the burner cap would have to be equal to the diameter of the flame outlet region at its upper end.
  • the diameter of the burner cap is greater than the diameter of the upper diameter of the flame outlet region by the conical outer cross section according to the invention and the cylindrical shape of the upper part of the gas burner.
  • the conical flame outlet region ensures that it has the desired distance above the outer diameter of the burner head at the top and has a diameter at the base which essentially corresponds to that of the burner head.
  • the cleanability is further improved in the gas burner according to the invention characterized in that the geometry of the gas burner, in particular of the burner head body and the burner cap, is selected so that they fit into a cylinder. A foot with a horizontal surface no longer exists. This allows impurities to fall directly onto the cover surface. As this is usually made of stainless steel, glass ceramic, heat treated glass or enameled steel, it is easier to clean than the burner itself.
  • Embodiment is the line that connects the outer radial dimensions of the gas burner in the upper region in the vertical direction perpendicular to the horizontal.
  • the outer diameter of the burner cap can be larger than the outer diameter of the base body of the burner head.
  • the difference between the diameter of the body of the burner head and the burner cap is preferably small and is, for example, in the range of 0.5mm to 2mm and preferably 1mm, the risk of occurrence of disturbance in the exit of the flames from the flame outlet area, the Flattening of the vertical flame outlet angle lead, only slightly increased.
  • channels are introduced, which are inclined in a vertical plan view of the top of the burner head to the direction of the diameter of the burner head.
  • the flame exit region preferably represents an annular region in which the channels are introduced.
  • the embodiment in which the channels are inclined to the radial direction of the gas burner has a number of advantages. In particular, due to the increased length of the channels in the flame exit region in the body of the burner head, the gas mixture is guided over a greater distance, whereby the stability of the flames emerging from the flame exit region is increased.
  • the burner cover preferably has a projection in the region of the outer circumference on the lower side.
  • the burner cap according to the invention is placed on the burner head so that it rests on the top of the flame outlet area.
  • a projection is provided on the underside of the burner cap, which is directed downward, this projection gets in the radial direction in front of the upper part of the gas outlet openings provided in the flame outlet region.
  • the flow direction of the gas mixture emerging from the gas outlet openings is changed by the projection. While the gas mixture can escape unhindered over the wider region of the gas outlet openings, the upper part of the gas flow is slowed down by the projection.
  • the slowed down by the projection part of the gas mixture, which also as Flame is also called a holding flame.
  • the height of the projection is chosen so that it only partially covers the flame outlet region when the burner cover is placed on the burner head. The height of the projection is thus less than the height of the flame outlet area.
  • the projection on the outer circumference of the burner cap is preferably created by introducing a groove into the underside of the burner cap. The top of the annular region of the flame outlet region is in the mounted state in the groove.
  • a radial projection is provided at the lower region of the burner head main body.
  • the radial projection which may also be referred to as a support projection, is provided only over part of the circumference of the burner head main body.
  • the projection covers a maximum of an angular range of 50 ° to 70 ° of the circumference of the burner head body.
  • the shape of the flame outlet region 21 is on the outside of a truncated cone shape.
  • the flame outlet region 21 distributed over the circumference gas outlet openings 22 are provided in the form of vertical slots.
  • a radial projection 23 which is also referred to as a support projection, is provided over part of the circumference of the burner head base body 20.
  • This projection 23 has the shape of a pitch circle in plan view. The diameter of the pitch circle is smaller than the diameter of the burner head main body 20.
  • passage openings 231 provide that extend vertically. Through these passage openings 231, a spark plug 6 and, on the other hand, a thermocouple 7 are guided on the one hand.
  • FIG. 2 is a side view of the gas burner 1 after FIG. 1 shown in the assembled state.
  • burner angle 4 can be seen.
  • the burner head 2 is stretched in the illustrated embodiment by a mounting device 5 from below against the cover surface 9, that is pulled down.
  • the burner according to the invention With the burner according to the invention, however, a modern design is created in which also the efficiency and cleanability of the gas burner is increased.
  • the increase in efficiency is achieved in particular by the fact that the heat emission is minimized in the burner.
  • the burner according to the invention is also easy to clean and grease does not burn into the surfaces, as the surfaces of the burner according to the invention are aligned substantially vertically, a. Due to the lower temperatures prevailing at the burner head, this can also be provided with cheaper coatings.
  • inexpensive aluminum alloys can be used for the burner head, which have a lower melting point than high-grade alloys.
  • the tightness of the burner is guaranteed against the covering reliably over longer periods of operation.
  • lower temperatures prevail on the other cooktop components.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)
EP11183792.8A 2010-10-11 2011-10-04 Brûleur à gaz pour un réchaud Not-in-force EP2439449B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11183792.8A EP2439449B1 (fr) 2010-10-11 2011-10-04 Brûleur à gaz pour un réchaud

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP10290546 2010-10-11
EP11183792.8A EP2439449B1 (fr) 2010-10-11 2011-10-04 Brûleur à gaz pour un réchaud

Publications (2)

Publication Number Publication Date
EP2439449A1 true EP2439449A1 (fr) 2012-04-11
EP2439449B1 EP2439449B1 (fr) 2016-07-27

Family

ID=44993272

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11183792.8A Not-in-force EP2439449B1 (fr) 2010-10-11 2011-10-04 Brûleur à gaz pour un réchaud

Country Status (2)

Country Link
EP (1) EP2439449B1 (fr)
ES (1) ES2590103T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016157006A1 (fr) * 2015-03-31 2016-10-06 BSH Hausgeräte GmbH Brûleur à gaz et plaque de cuisson à gaz
EP3165828A1 (fr) * 2015-11-04 2017-05-10 Aga Rangemaster Limited Brûleur à gaz de plaque de cuisson
CN113574319A (zh) * 2019-03-08 2021-10-29 Somipress注射金属协会股份责任有限公司 带低温盖的燃烧器
CN115962465A (zh) * 2021-10-09 2023-04-14 佛山市顺德区美的洗涤电器制造有限公司 燃烧器及具有其的燃气灶

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR79976E (fr) * 1961-06-17 1963-02-22 Gaz De France Perfectionnements aux brûleurs à combustible gazeux
FR2734889A3 (fr) 1995-06-02 1996-12-06 Defendi Off Mec Bruleur a gaz pour appareils menagers
US5649822A (en) * 1992-02-08 1997-07-22 Elektro-Und Gas-Armaturen-Fabrik Gmbh Gas burner
EP0844437A2 (fr) * 1996-11-20 1998-05-27 EGA Engineering GmbH Brûleur à gaz avec chapeau de brûleur

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR79976E (fr) * 1961-06-17 1963-02-22 Gaz De France Perfectionnements aux brûleurs à combustible gazeux
US5649822A (en) * 1992-02-08 1997-07-22 Elektro-Und Gas-Armaturen-Fabrik Gmbh Gas burner
FR2734889A3 (fr) 1995-06-02 1996-12-06 Defendi Off Mec Bruleur a gaz pour appareils menagers
EP0844437A2 (fr) * 1996-11-20 1998-05-27 EGA Engineering GmbH Brûleur à gaz avec chapeau de brûleur

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016157006A1 (fr) * 2015-03-31 2016-10-06 BSH Hausgeräte GmbH Brûleur à gaz et plaque de cuisson à gaz
US10655845B2 (en) 2015-03-31 2020-05-19 BSH Hausgeräte GmbH Gas burner and gas cooktop
EP3165828A1 (fr) * 2015-11-04 2017-05-10 Aga Rangemaster Limited Brûleur à gaz de plaque de cuisson
CN113574319A (zh) * 2019-03-08 2021-10-29 Somipress注射金属协会股份责任有限公司 带低温盖的燃烧器
CN115962465A (zh) * 2021-10-09 2023-04-14 佛山市顺德区美的洗涤电器制造有限公司 燃烧器及具有其的燃气灶

Also Published As

Publication number Publication date
EP2439449B1 (fr) 2016-07-27
ES2590103T3 (es) 2016-11-18

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