EP2791586A1 - Diffuseur de brûleur à gaz à flamme pour équipements de cuisson - Google Patents

Diffuseur de brûleur à gaz à flamme pour équipements de cuisson

Info

Publication number
EP2791586A1
EP2791586A1 EP12812511.9A EP12812511A EP2791586A1 EP 2791586 A1 EP2791586 A1 EP 2791586A1 EP 12812511 A EP12812511 A EP 12812511A EP 2791586 A1 EP2791586 A1 EP 2791586A1
Authority
EP
European Patent Office
Prior art keywords
diffuser
barriers
accordance
cooking
burner
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Withdrawn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
EP12812511.9A
Other languages
German (de)
English (en)
Inventor
Marcos Raphael da SILVA
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.)
Whirlpool SA
Original Assignee
Whirlpool 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 Whirlpool SA filed Critical Whirlpool SA
Publication of EP2791586A1 publication Critical patent/EP2791586A1/fr
Withdrawn legal-status Critical Current

Links

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
    • F24C15/00—Details
    • F24C15/10—Tops, e.g. hot plates; Rings
    • F24C15/107—Pan supports or grates therefor
    • 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
    • F24C3/082—Arrangement or mounting of burners on stoves
    • 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
    • F24C15/00—Details
    • F24C15/10—Tops, e.g. hot plates; Rings
    • F24C15/101—Tops, e.g. hot plates; Rings provisions for circulation of air
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the present invention generally refers to a flame gas burner diffuser used in cooking equipments, more preferably in household stoves, comprising technical and functional features capable of improving the efficiency of burners. More particularly, said diffuser, according to the present invention, comprises a structure provided with passages or channels formed on the surface over which a cooking utensil bottom of the cooking equipment rests, thereby increasing heat transfer levels.
  • Stoves and cooking equipments known in the art usually comprise a series of burners upon which cooking utensils are disposed, wherein a configuration of said burners is intended to produce a flame capable of heating the utensil bottom and, preferably, such heating must be as uniform as possible.
  • Burners provided with grills comprising elements and configurations which try to help to conduct and distribute flame and hot gas flow under cooking utensils are known from the state of the art, such as, for example, the following documents: US Patent 5,701 ,881 that discloses grate for non-domestic burners containing some shields which, however, only aim at accommodating the material to be incinerated without, however, maximizing circulation of the heated gas; and US Patent Application 2003-232300, which refers to a microcombustion device used in the manufacture of semiconductors. Nevertheless, said device comprises upper and lower closed surfaces intended to render uniform the temperature on the heat emission surfaces instead of aiming at utilizing the heated flow beneath a cooking surface.
  • burners used in cooking equipments known in the art could be improved, especially relative to their efficiency in exchanging heat with a cooking utensil. More specifically, it can be observed that such cooking equipments lack burners capable of conducting a suitable - maximized - heat distribution under the utensil bottom, thereby resulting in low heat efficiency. This leads to a high consumption of fuels, mainly to a great heat loss to the atmosphere.
  • one object of the invention is to provide a flame gas diffuser to be applied in burners of cooling equipments in general, where said diffuser is capable of significantly enhancing the heat exchange efficiency, thus improving those state-of-the art burners.
  • an object of the present invention is to provide a combustion gas diffuser comprising technical features, which allow for a uniform, prolonged and more suitable circulation of such gases under the bottom of cooking utensils before they are expelled to the atmosphere.
  • Another object of the present invention is to provide a diffuser comprising barriers spread out over an upper surface, wherein said barriers are disposed such that they form pathways or channels so as to retard the passage of a flow gas generated when fuel is being burned by the burners.
  • a further object of the invention is to provide a flame gas diffuser that is capable of extending the time period at which gases generated by burners are kept in contact with an utensil bottom, thereby making the heat transfer as high as possible.
  • the present invention refers to a combustion gas diffuser, which enhances the functioning of burners disposed at cooking equipments, wherein said diffuser comprises at least a body provided with at least a surface comprising at least an opening for accommodating a burner, and further comprising a plurality of barriers disposed on the surface.
  • barriers are arranged such that they form passage multi-pathways for allowing the hot gas flow generated by the burner flame to pass, wherein at least one passage pathway starts at the proximities of the opening and terminates at the outer radial end of the surface.
  • said barriers can comprise arched segments, linear segments, triangular segments or also spiral segments.
  • said barriers comprise means for reducing the gas flow rate from the burner output up to the outmost edge of the cooking utensil.
  • said diffuser of the present invention can be applied to a conventional or cooktop stove-type cooking equipment.
  • Figs. 1 and 2 illustrate a perspective view of exemplary embodiments of the flame gas diffuser
  • Figs. 3 and 6 illustrate a plain view the flame gas diffuser.
  • the flame gas diffuser in accordance with the present invention, comprises a cup 1 provided with a central opening 2 at which the cooking equipment burner is disposed, wherein on the surface 4 of said cup 1 barriers 3 are disposed, wherein said barriers are duly arranged and positioned in order to promote an extended passage pathways and channels for allowing the hot gas flow generated by the burner to pass.
  • Figs. 1 to 4 illustrate mere examples of configurations, in which said barriers 3 are in a form capable of retaining or interrupting, at least partially, the continuous gas flow generated by the burner flame.
  • said barriers 3 are intended to disturb or whirl the gas flow beneath the cooking utensil bottom, causing reduction in the speed of this flow and, as a result, the time period that such gases are kept in contact with said cooking utensil is increased as well as the levels and efficiency of exchanging heat therewith.
  • barriers 3 form passage pathways and/or extended channels for allowing the hot gas flow generated by the burner flame to pass.
  • such pathways are integrally defined by the composition between barriers 3, surface 4 and (not shown) lower face of the (not shown) cooking utensil.
  • said lower face of the cooking utensil can be substituted by a plate disposed between said barriers 3.
  • Fig. 1 shows an embodiment in which said barriers 3 have an arched shape or spherically arched shape, which are disposed such that the flame gas flow is partially or substantially retained or interrupted in such way that it is constrained to pass through areas or spaces between said barriers 3 prior to being expelled to the outside.
  • Fig. 2 illustrates an embodiment in which said barriers 3 comprise prevalently triangular shape, which are also disposed so as to maximize the hot air circulation and permanence under the cooking utensil.
  • Fig. 3 refers to an embodiment comprising barriers 3 formed by substantially straight segments and spaced therebetween.
  • Fig. 4 shows another exemplary embodiment, in which barriers 3 are formed by substantially elliptical segments which are disposed so as to block the direct passage of heated air of segments proximal to the burner.
  • a central opening 2 disposed at body 1 can be the own burner of a cooking utensil.
  • a burner structure itself comprises a diffuser formed by a body 1 whose upper surface is provided with a series of barriers 3, which are duly arranged and positioned in order to form passage pathways and channels for allowing the hot gas flow generated by the burner flame to pass.
  • a surface 4 of the body 1 can be constituted by a texture forming a non-smooth surface, that is, it has some grooves or protuberances which can help to retain water or reduce speed of gases.
  • barriers 3 comprise combining and mixing shapes, for example, barriers in arched form combined with triangular form, or a segmented form combined with sinuous form, etc.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)
  • Baking, Grill, Roasting (AREA)

Abstract

La présente invention concerne de manière générale un diffuseur de brûleur à gaz à flamme à utiliser dans des équipements de cuisson de type cuisinière, de préférence des cuisinières ménagères, comprenant des caractéristiques fonctionnelles et techniques aptes à améliorer l'efficacité d'échange de chaleur avec la partie inférieure d'ustensiles de cuisson. Plus particulièrement, ledit diffuseur, conformément à la présente invention, comprend une coupe (1) comportant une surface (4) comprenant une ouverture (2) où est reçu un équipement de cuisson, une série de barrières (3) étant dûment agencées et positionnées au-dessus de ladite surface (4) afin de former des chemins de passage et/ou des canaux étendus pour autoriser le passage du flux de gaz chaud généré par la flamme du brûleur.
EP12812511.9A 2011-12-15 2012-12-14 Diffuseur de brûleur à gaz à flamme pour équipements de cuisson Withdrawn EP2791586A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BRPI1105163-9A BRPI1105163A2 (pt) 2011-12-15 2011-12-15 Dispositivo difusor de gás de chama para equipamentos de cocção
PCT/BR2012/000521 WO2013086598A1 (fr) 2011-12-15 2012-12-14 Diffuseur de brûleur à gaz à flamme pour équipements de cuisson

Publications (1)

Publication Number Publication Date
EP2791586A1 true EP2791586A1 (fr) 2014-10-22

Family

ID=47520645

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12812511.9A Withdrawn EP2791586A1 (fr) 2011-12-15 2012-12-14 Diffuseur de brûleur à gaz à flamme pour équipements de cuisson

Country Status (5)

Country Link
US (1) US20140345591A1 (fr)
EP (1) EP2791586A1 (fr)
BR (1) BRPI1105163A2 (fr)
MX (1) MX2014007185A (fr)
WO (1) WO2013086598A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR102012024539A2 (pt) * 2012-09-26 2014-07-01 Whirlpool Sa Dispositivo direcionador de fluxo de gases para queimadores de equipamentos de cocção
USD787041S1 (en) * 2015-09-17 2017-05-16 Whirlpool Corporation Gas burner
CN114110587B (zh) * 2020-09-01 2022-10-14 宁波方太厨具有限公司 火盖及包含其的燃烧器

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US928634A (en) * 1908-08-12 1909-07-20 Arthur Benjamin Cruickshank Heat-distributer for cooking utensils.
US1158727A (en) * 1912-11-29 1915-11-02 Stanley Sauvage Heat-distributer plate for cooking purposes.
US1613534A (en) * 1925-06-04 1927-01-04 Rice Norman Earl Heat distributor
US1737498A (en) * 1928-04-21 1929-11-26 Hanes Lewis Francis Heat distributor for cooking vessels
US1808550A (en) * 1930-04-18 1931-06-02 Charles A Harpman Heat distributor for cook stoves
US1836156A (en) * 1931-05-21 1931-12-15 Forest V Detwiler Cooking plate stove top
US1941866A (en) * 1931-07-21 1934-01-02 Kirk John Safety gas grate
US1948124A (en) * 1931-07-23 1934-02-20 John T Mergan Waterless cooking utensil
US1867957A (en) * 1931-09-16 1932-07-19 Kurt O Wetzel Heat equalizer for burners
US1922419A (en) * 1932-02-17 1933-08-15 Earl V Coulston Accessory for cooking vessels
US2169660A (en) * 1936-07-18 1939-08-15 Standard Gas Equipment Corp Gas range
US2280061A (en) * 1940-01-29 1942-04-21 William G Cartter Radiant mantle
US2400508A (en) * 1942-05-22 1946-05-21 Hermann Richard Gas cooker
US2764970A (en) * 1952-08-18 1956-10-02 Attilio D Carani Adapter for stove burner grills
US3664256A (en) * 1969-08-14 1972-05-23 Inez H Peirce Cooking grill
US3687127A (en) * 1970-09-25 1972-08-29 Donald P Mossman Sr Cook stove grid
US3805765A (en) * 1972-07-24 1974-04-23 L Nodae Heat distributor
US4059092A (en) * 1976-10-29 1977-11-22 Bourboulis Cedric D Heat deflector
GB2169699A (en) * 1985-01-10 1986-07-16 Howard Lin Utensil support for a gas cooker
US4716819A (en) * 1985-05-01 1988-01-05 Pizza Hut, Inc. Heat transfer device for use in cooking pizzas
US4896022A (en) * 1988-09-20 1990-01-23 Schroeder Alfred A Coffee pot having a temperature regulating base
US5701881A (en) * 1993-09-28 1997-12-30 Hyun; Kwangsoo Fire grate having fluctuational profile in circumferential direction thereof
FR2735562B1 (fr) * 1995-06-19 1997-08-14 Eurokera Plaque de cuisson au gaz en vitroceramique et procede pour sa fabrication
JP3184951B2 (ja) * 1996-03-04 2001-07-09 東京瓦斯株式会社 炎漏出防止型コンロ
US5875974A (en) * 1998-04-10 1999-03-02 Ranco Of Delaware Wave washer port ring gas top burner
US6523463B1 (en) * 2000-11-17 2003-02-25 Richard E. Hogle Controlled burn smoking device
JP3921134B2 (ja) * 2002-06-18 2007-05-30 薫 丸田 マイクロ燃焼加熱器
JP4639319B2 (ja) * 2004-06-11 2011-02-23 パロマ工業株式会社 コンロ
WO2006051631A1 (fr) * 2004-11-15 2006-05-18 Paloma Industries, Limited Cuisiniere a gaz
JP4873549B2 (ja) * 2006-07-28 2012-02-08 株式会社パロマ ガスコンロ
US20090078247A1 (en) * 2007-06-11 2009-03-26 Yizhong Sun Removable flame heat transfer regulating apparatus including an inner hollow shell and outer wall incorporated with a burner having improved burner ports for a gas stove
US8590526B2 (en) * 2007-06-11 2013-11-26 Yizhong Sun Gas stove having improved burners incorporated with removable flame heat transfer regulating apparatus concealed by top plates of the stove
US7708006B2 (en) * 2007-06-11 2010-05-04 Yizhong Sun Removable flame heat regulating apparatus including an inner hollow shell and an outer wall for a burner of a gas stove
US20090007898A1 (en) * 2007-07-06 2009-01-08 Herbert Bennett Stove top device
US20090064987A1 (en) * 2007-09-10 2009-03-12 Paul Bryan Cadima Grate apparatus and method
CN101737782B (zh) * 2008-11-21 2012-08-29 博西华电器（江苏）有限公司 燃气灶炉头火盖及带有该种火盖的炉头
US8720324B2 (en) * 2009-02-20 2014-05-13 Stephen Coutts Stovetop grilling device
BRPI1105207A2 (pt) * 2011-12-08 2013-10-22 Whirlpool Sa Grelha para equipamentos de cocção
BRPI1105194A2 (pt) * 2011-12-21 2013-11-19 Whirlpool Sa Queimador para equipamentos de cocção
BR102012024539A2 (pt) * 2012-09-26 2014-07-01 Whirlpool Sa Dispositivo direcionador de fluxo de gases para queimadores de equipamentos de cocção

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2013086598A1 *

Also Published As

Publication number Publication date
WO2013086598A8 (fr) 2014-07-31
US20140345591A1 (en) 2014-11-27
BRPI1105163A2 (pt) 2013-10-08
MX2014007185A (es) 2014-11-21
WO2013086598A1 (fr) 2013-06-20

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