EP1714076A1 - Bruleur double pour cuisinieres a gaz equipe d'un ensemble de couronnes de flamme concentriques - Google Patents

Bruleur double pour cuisinieres a gaz equipe d'un ensemble de couronnes de flamme concentriques

Info

Publication number
EP1714076A1
EP1714076A1 EP05703266A EP05703266A EP1714076A1 EP 1714076 A1 EP1714076 A1 EP 1714076A1 EP 05703266 A EP05703266 A EP 05703266A EP 05703266 A EP05703266 A EP 05703266A EP 1714076 A1 EP1714076 A1 EP 1714076A1
Authority
EP
European Patent Office
Prior art keywords
burner
gas
fact
flames
dish
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
EP05703266A
Other languages
German (de)
English (en)
Other versions
EP1714076B1 (fr
Inventor
Piero Armanni
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.)
SOMIPRESS - SOCIETA ' METALLI INIETTATI S.R.L.
Original Assignee
Somi Press - Metalli Iniettati SpA Soc
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 Somi Press - Metalli Iniettati SpA Soc filed Critical Somi Press - Metalli Iniettati SpA Soc
Publication of EP1714076A1 publication Critical patent/EP1714076A1/fr
Application granted granted Critical
Publication of EP1714076B1 publication Critical patent/EP1714076B1/fr
Anticipated expiration legal-status Critical
Active legal-status Critical Current

Links

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
    • 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

  • Double burner for gas cookers of the type provided with multiple concentric flame crowns.
  • the present patent application refers to a double burner for gas cookers, of the type provided with multiple concentric flame crowns.
  • double burner is used to indicate a burner with two different gas inlets provided with taps that supply gas to two or more concentric flame crowns separately.
  • the flame crowns can be turned on or off selectively, since gas is supplied by means of two separate independent channels ending into the aforementioned inlets.
  • traditional burners are characterized by the presence of one gas inlet with tap, which feeds all channels used to bring the air-gas mixture to the burner head.
  • concentric flame crowns of traditional burners operate simultaneously, meaning they are turned on or off together.
  • the purpose of the present invention is to devise a double burner for gas cookers capable of being converted with simple, inexpensive modifications into a standard burner, that is to say a burner with one tap mounted near one of the inlets, without losing the possibility of supplying gas to all flame crowns of the double burner.
  • a connection pipe must be applied outside the body of the burner to provide communication between the mouths of the two gas inlets, so that the gas introduced in one inlet can flow freely through the connection pipe towards the other inlet that, consequently, does not require to be connected to the gas supply and equipped with a tap.
  • the purpose of the present invention is to devise a double burner for gas cookers that can be converted into a standard burner without the introduction of external elements, such as the connection pipe situated outside the body of the burner, by simply removing the internal wall of the body that separates the two gas inlets.
  • An additional purpose of the present invention is to devise a double burner for gas cookers that can be converted as illustrated above, characterised by versatility of use thanks to the replacement of some elements according to different market requirements. It is worth mentioning that pots with flat bottom are normally used in Western countries for cooking, while the use of pots with spherical bottom is popular in Asian countries. In the latter case, to ensure good thermal performance of burners, the flames should be tilted upwards, while in the first case the flames should have a perfectly horizontal direction.
  • the double burner of the invention has been designed in such a way as to be equipped with two types of interchangeable caps, with the first cap being suitable for emission of flames in horizontal direction and the second cap being suitable for emission in vertical direction.
  • a further purpose of the present invention is to devise a double burner for gas cookers characterised by the aforementioned modification and versatility of use and provided with compact volume.
  • the burner of the invention traditionally comprises a tub-shaped body that contains partition walls used to define two different, not-communicating channels, of which one channel is used to supply gas to the external flame crowns and one channel is used to supply gas to the central flame crowns.
  • the bottom of the body traditionally features two different, not- communicating gas inlets with horizontal axes used to supply gas to the aforementioned channels selectively.
  • the two gas inlets are characterised by the fact that they both reach the centre of the body at a slightly different height. Because of the above, communication between the inlets can be provided, if necessary, by simply drilling a hole with vertical axis from the upper inlet to the lower inlet. According to the preferred embodiment of the present invention, the axes of the two inlets lay on orthogonal vertical planes.
  • a vertical channel branches off from the upper inlet provided with the first gas nozzle designed to introduce gas into the supply channel of central flame crowns, while a diverging pair of ascending channels branches off from the lower inlet provided with nozzles designed to introduce gas into the supply channel of external flame crowns.
  • a Venturi chamber is provided downstream each gas nozzle to favour mixing of gas with primary air.
  • the burner of the invention has three Venturi chambers, one central chamber with vertical axis above the first nozzle and two chambers in opposite position with inclined axis, respectively above the other two aforementioned nozzles.
  • the chambers are situated inside the head of the burner, that is to say the circular dish characterised by the presence of a concentric series of multiple toothed crowns, where caps rest to close the cavities of the toothed crowns, it being known that flames come out from each cavity.
  • Another characteristic of the burner of the invention consists in the fact that it comprises a head formed by a lower dish and an upper dish that perfectly match together to define the opposite pair of Venturi chambers with inclined axis.
  • the third Venturi chamber is situated in central position in the upper dish, which is provided with the concentric series of multiple toothed crowns.
  • - Fig. 1 is a cross-section of the burner of the invention with a vertical diametral plane passing through the axis of the first gas inlets;
  • - Fig. 2 is a cross-section of the burner of the invention with a vertical diametral plane passing through the second gas inlet, which in this case is at a higher height than the first inlet;
  • - Fig. 3 is the same cross-section as Fig. 1 , except for the fact that it refers to the converted version of the burner, as shown by the communication created between the two gas inlets by means of a hole with vertical axis;
  • - Fig. 4 is the same cross-section as Fig. 2, except for the fact that it refers to the converted version of the burner, as shown by the communication created between the two gas inlets by means of a hole with vertical axis;
  • FIG. 5 is a top view of the body of the burner of the invention.
  • - Fig. 6 is a top view of the head of the burner without caps
  • Fig. 7 is an axonometric view of the burner of the invention, sectioned with two orthogonal vertical planes passing through the axes of the two gas inlets, respectively;
  • the double burner of the invention traditionally comprises a circular body (1) that contains partition walls used to define two different, not-communication channels, of which channel (E) is used to supply gas to the crowns of external flames (FE) and channel (C) to supply gas to central flames (FC).
  • the bottom of the body (1) traditionally features two different, not- communicating gas inlets (3 and 4) used to supply gas to channels (C and E), selectively and respectively.
  • the two gas inlets (3 and 4) reach the centre of the body (1) at a slightly different height; more precisely, the upper inlet (3) exactly ends in the centre of the body (1) and the lower inlet (4) goes beyond the centre.
  • a vertical channel (3a) branches off from the upper inlet (3) provided with the first gas nozzle (5), that is to say the nozzle used to supply gas into the central channel (C) that feeds the central flame crowns (FC), while a diverging pair of ascending channels (4a) branches off from the lower inlet (4) provided with gas nozzles (6) used to supply gas into the channel (E) that feeds the crowns of external flames (FE).
  • a Venturi chamber (5a) with vertical axis is provided downstream the nozzle (5), and a pair of Venturi chambers (6a) with inclined axis, preferably from 40 to 60°, is provided downstream the pair of nozzles (6).
  • the burner of the invention comprises a head (T) formed by a lower dish (7) and an upper dish (8) that match perfectly.
  • the lower dish (7) has a truncated conical shape and a stepped external border (7a) that acts as support and centring for the upper dish (8) provided with a stepped perimeter collar (8a).
  • the upper dish (8) finds a second centring and support in the flat flange
  • the nozzle (5) is situated in central position inside the partition walls (9), while the nozzles (6) are situated in external opposite position with respect to the walls (9).
  • the two dishes (7 and 8) are provided with semi-conduits (7b and 8b) that form the aforementioned Venturi chambers (6a).
  • a V-shaped deflector wail (10) is situated downstream the chambers (6a) on the lower dish (7) to favour the bifurcation of the air-gas flow coming from the chambers (6a), which is conveyed inside a semi-circular corridor (11) and feeds the concentric crowns of central flames (FC), as shown in Fig.
  • the corridor (11) is closed by an annular cap (13), on whose external border the concentric crowns of external flames (FE) are formed.
  • the Venturi chamber (5) is situated inside the upper dish (8) and ends a circular space laterally closed by the toothed crown (12) with lower diameter and by a circular cap (14), on whose external border the concentric crown of central flames (FC) is formed.
  • the double burner of the invention can be converted into an ordinary burner with three concentric flame crowns by drilling a hole with vertical axis (15) on the body in central position from the lower gas inlet (4) to the coaxial vertical channel (3a) with the nozzle (5).
  • the simple connection of the lower inlet (4) to the gas supply allows to feed the three nozzles - that is to say the central (5) and the lateral (6) nozzles - simultaneously, it being evident that in this case the upper gas inlet (3) must be closed to prevent the gas introduced in the lower inlet (4) from exiting the body of the burner by travelling backwards in the upper inlet (3) .
  • the length of the inlet (3) can be suitably reduced, as shown in Fig. 4 . Since the body (1) is obtained from die-casting, the reduction in length can be easily and economically obtained by simply moving backwards the pin that is used as "core" for the upper inlet (3). As shown in Fig.

Landscapes

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

Abstract

La présente invention a trait à un brûleur double pour cuisinières à gaz équipé d'un ensemble de couronnes de flamme concentriques (FE, FC) comportant deux orifice d'entrée de gaz (3, 4) qui atteignent le centre du corps (1) à une hauteur légèrement différente, de sorte que la communication peut être assurée entre les orifices d'entrée de gaz, le cas échéant, par le simple perçage d'un trou (15) avec un axe vertical depuis l'orifice d'entrée supérieur (3) jusqu'à l'orifice d'entrée inférieur (4).
EP05703266.6A 2004-02-13 2005-01-17 Bruleur double pour cuisinieres a gaz equipe d'un ensemble de couronnes de flamme concentriques Active EP1714076B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000024A ITMC20040024A1 (it) 2004-02-13 2004-02-13 Doppio bruciatore per cucine a gas, del tipo a piu' corone concentriche di fiamme
PCT/IT2005/000018 WO2005078342A1 (fr) 2004-02-13 2005-01-17 Bruleur double pour cuisinieres a gaz equipe d'un ensemble de couronnes de flamme concentriques

Publications (2)

Publication Number Publication Date
EP1714076A1 true EP1714076A1 (fr) 2006-10-25
EP1714076B1 EP1714076B1 (fr) 2016-10-19

Family

ID=34856901

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05703266.6A Active EP1714076B1 (fr) 2004-02-13 2005-01-17 Bruleur double pour cuisinieres a gaz equipe d'un ensemble de couronnes de flamme concentriques

Country Status (12)

Country Link
EP (1) EP1714076B1 (fr)
KR (1) KR20060126558A (fr)
CN (1) CN100526715C (fr)
AU (1) AU2005212730B2 (fr)
BR (1) BRPI0507358B1 (fr)
CA (1) CA2555326A1 (fr)
EC (1) ECSP066769A (fr)
EG (1) EG24857A (fr)
IT (1) ITMC20040024A1 (fr)
RU (1) RU2350842C2 (fr)
UA (1) UA87831C2 (fr)
WO (1) WO2005078342A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1875132B1 (fr) * 2005-04-29 2016-06-08 Somipress - Societa ' Metalli Iniettati S.R.L. Bruleur double haute puissance destine a des cuisinieres a gaz, avec de multiples couronnes de flammes concentriques
WO2017097639A1 (fr) * 2015-12-08 2017-06-15 Arcelik Anonim Sirketi Brûleur comprenant un élément de centrage

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2889293B1 (fr) * 2005-07-29 2009-12-18 Burner Systems Int Bsi Bruleur a gaz a multiples couronnes de flammes concentriques
ITTO20050685A1 (it) 2005-09-30 2007-04-01 Indesit Co Spa Piano di cottura con bruciatore a gas comprendente un elemento semipermeabile
ITMI20060535A1 (it) 2006-03-23 2007-09-24 Enzo Inzaghi Bruciatore modulare per piastra di cottura
ITTO20070133A1 (it) 2007-02-26 2008-08-27 Indesit Co Spa Sistema di bruciatori di gas per apparecchi di cottura per alimenti
ITRN20070013A1 (it) 2007-02-27 2008-08-28 Indesit Company Spa Piano cottura.
ITRN20070012A1 (it) 2007-02-27 2008-08-28 Indesit Company Spa Piano cottura
ITMC20070130A1 (it) * 2007-06-28 2008-12-29 Somi Press Soc Metalli Iniettati Spa Doppio bruciatore, di tipo perfezionato, per fornelli a gas a piu' corone di fiamme.
EP2258982B1 (fr) 2007-10-23 2019-01-16 Electrolux Home Products Corporation N.V. Brûleur à gaz amélioré
ES2504516T3 (es) 2007-12-18 2014-10-08 Electrolux Home Products Corporation N.V. Quemador de gas con conducto de aire principal mejorado
SI2359061T1 (sl) * 2008-12-12 2018-12-31 Sabaf S.P.A. Plinski gorilnik za gospodinjske kuhalnike
ES2528199T3 (es) * 2009-03-18 2015-02-05 Electrolux Home Products Corporation N.V. Quemador de gas mejorado
CN103062767A (zh) * 2013-01-29 2013-04-24 浙江安德电器有限公司 双通道炉头
ITVE20130027A1 (it) 2013-05-29 2014-11-30 Defendi Italy Srl Bruciatore a gas perfezionato.
CN104713086A (zh) * 2015-03-12 2015-06-17 广东美的厨房电器制造有限公司 燃烧器及燃气用具
CA2934675A1 (fr) 2015-07-02 2017-01-02 Mabe, S.A. De C.V. Ovni multibruleur

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69030090T2 (de) * 1990-11-12 1997-08-28 Longhi Spa De Brenner, insbesondere für Gaskochervorrichtung, mit einer grossen Betriebsflexibilität
SG45044A1 (en) * 1993-08-06 1997-12-19 Tri Suqare Ind Co Ltd Gas burner
IT1294585B1 (it) * 1997-08-11 1999-04-12 Defendi Srl Off Mec Bruciatore a gas a piu' settori di fiamma.
IT1311777B1 (it) * 1999-01-29 2002-03-19 Ohg Defendi Srl Bruciatore a gas, particolarmente per piani di cottura ad incasso.
FR2804496B1 (fr) * 2000-01-28 2002-07-19 Sourdillon Sa Bruleur a gaz a multiples couronnes de flammes
IT1320580B1 (it) * 2000-08-02 2003-12-10 Smeg Spa Bruciatore ultrarapido per piano di cottura o per una cucina a gas.
KR100908352B1 (ko) * 2002-11-12 2009-07-20 사바프 에스. 피. 에이. 개별적인 화염공급크라운부를 갖춘 가스버너

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2005078342A1 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1875132B1 (fr) * 2005-04-29 2016-06-08 Somipress - Societa ' Metalli Iniettati S.R.L. Bruleur double haute puissance destine a des cuisinieres a gaz, avec de multiples couronnes de flammes concentriques
WO2017097639A1 (fr) * 2015-12-08 2017-06-15 Arcelik Anonim Sirketi Brûleur comprenant un élément de centrage

Also Published As

Publication number Publication date
AU2005212730A1 (en) 2005-08-25
CA2555326A1 (fr) 2005-08-25
BRPI0507358B1 (pt) 2017-10-24
RU2350842C2 (ru) 2009-03-27
EG24857A (en) 2010-10-31
CN1926382A (zh) 2007-03-07
AU2005212730B2 (en) 2009-08-20
KR20060126558A (ko) 2006-12-07
RU2006129274A (ru) 2008-02-20
EP1714076B1 (fr) 2016-10-19
CN100526715C (zh) 2009-08-12
UA87831C2 (ru) 2009-08-25
BRPI0507358A (pt) 2007-07-03
WO2005078342A1 (fr) 2005-08-25
ITMC20040024A1 (it) 2004-05-13
ECSP066769A (es) 2006-11-16

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