WO2006005428A1 - Burner with multiple flame sectors - Google Patents

Burner with multiple flame sectors Download PDF

Info

Publication number
WO2006005428A1
WO2006005428A1 PCT/EP2005/006838 EP2005006838W WO2006005428A1 WO 2006005428 A1 WO2006005428 A1 WO 2006005428A1 EP 2005006838 W EP2005006838 W EP 2005006838W WO 2006005428 A1 WO2006005428 A1 WO 2006005428A1
Authority
WO
WIPO (PCT)
Prior art keywords
burner
injector
flame
flame divider
hob
Prior art date
Application number
PCT/EP2005/006838
Other languages
French (fr)
Inventor
Carlo Paesani
Girolamo Tommaso Emiliani
Original Assignee
Defendi Italy S.R.L.
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 Defendi Italy S.R.L. filed Critical Defendi Italy S.R.L.
Priority to KR1020067027025A priority Critical patent/KR101196106B1/en
Priority to PL05773155T priority patent/PL1781989T3/en
Priority to MXPA06015017A priority patent/MXPA06015017A/en
Priority to BRPI0513197-9A priority patent/BRPI0513197B1/en
Priority to ES05773155.6T priority patent/ES2564581T3/en
Priority to EP05773155.6A priority patent/EP1781989B1/en
Priority to CN2005800232652A priority patent/CN1985126B/en
Publication of WO2006005428A1 publication Critical patent/WO2006005428A1/en
Priority to EGNA2007000014 priority patent/EG25057A/en

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
    • F23D14/065—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 with injector axis inclined to the burner head axis
    • 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 burner with multiple flame sectors. With burners having several concentric flame rings controlled by a single tap, i.e. so-called double or triple ring burners, there is an increasing tendency to require high powers for more rapid cooking. At the same time these burners must maintain very small height dimensions to enable them to be used both on cookers and on modern built-in hobs of only 30-40 mm in height.
  • availabfe tripje ring burners are substantially constructed on the radial venturi concept, as is the case with all other smaller burners, i.e. auxiliary, semi-fast and fast.
  • venturi is formed from a vertical first frusto- conical converging portion and a horizontally extending second radial diverging portion.
  • the gas is fed to a number of injectors combined with radial Venturis to divide the gas among several Venturis and hence seek to develop more power, but these solutions also have limitations.
  • the horizontally extending radial part, essential for burner operation, must necessarily have a certain surface which extends towards the burner interior and of necessity creates projections towards the burner interior which finish by limiting the secondary air within the internal part between the two burner portions, hence the internal burner must be of very small dimensions and with few flames.
  • An object of the invention is to avoid the aforesaid drawbacks by providing a burner with multiple flame rings or sectors, which is of high performance and power while being of very low cost, and not requiring the use of costly special two-way valves such as dual burners, but merely a simple tap.
  • Figure 1 is a plan view of the assembled burner without the caps
  • Figure 2 is a plan view of the cup formed by the two assembled shells
  • Figure 3 is a plan view of the complete burner
  • Figure 4 is a section therethrough on the line IV-IV of Figure 3
  • Figure 5 is a section therethrough on the line V-V of Figure 3
  • Figure 6 is a plan view of the lower shell of the injector holder cup
  • Figure 7 shows a variant of the invention.
  • the burner of the invention comprises substantially a injector holder cup 1 , known hereinafter simply as a cup, consisting of a lower shell 2 and an upper shell 3 joined together, and a flame divider 4.
  • Said cup presents a perimetral edge 9 on which the hob 12 of the cooking appliance is fixed by screws 11.
  • a gas inlet 10 is present, connected to the burner control tap by a tube.
  • the inlet 10 continues internally with a conduit 15 on which the horizontally disposed injector 14 is housed: the head of the injector 14 projects into a cavity 27 open only upwards. Opposite the injector 14 there extends a horizontal venturi conduit 26 formed from a first converging portion 16, a second more or less constant portion 17, and a third diverging portion 18.
  • the final diverging portion 18 of the venturi 26 leads to a conduit which branches into two sections 33 and 34 terminating in two opposing chambers 28 which extend externally towards the perimetral edge of the cup and internally towards the central region close to the venturi 28
  • the flame divider 4 is preferably formed as a single piece consisting of a central inner portion and a more or less annular outer portion.
  • the outer portion presents an outer edge 30 in which a series of apertures 5 are provided for passage of the air/gas mixture, an inner edge 21 in which a series of apertures 22 are provided, and a base 13.
  • a series of apertures 5 are provided for passage of the air/gas mixture
  • an inner edge 21 in which a series of apertures 22 are provided
  • a base 13 In the base 13 two opposing apertures 6 are present, externally to which there is a wall 23.
  • the burner outer portion is closed upperly by a closure element 29 or outer cap.
  • the inner portion of the flame divider presents on its lower face an edge 7 which defines a cavity 24 open centrally upwards via a hole 37 leading into a chamber 31 defined circumferentially by an outer edge 25, lowerly by a base 40, and upperly by a closure element 38 or central cap.
  • Apertures 41 for exit of the air/gas mixture are provided in the outer edge 25.
  • the edge 25 of the inner portion continues downwards and has associated with it a flange 8, the upper face 20 of which defines, with the outer edge 25 and the edge 21 of the outer portion, an annular cavity 39.
  • connection sectors 32 which between them define apertures 36.
  • the flame divider 4 is supported and centered on the cup 1 by appropriate means 44 and defines an outer annular area 47 which, via the apertures 36, supplies the annular channel 39 with the secondary air required for creating the flames present on the central inner portion of the flame divider and the flames present on the inner edge 21 of the outer portion of the flame divider.
  • the flame divider 4 On its lower face the flame divider 4 presents projecting fins 49 which, when the flame divider rests in its seat on the cup 1 , close the edge 45 to define an outward aperture 46 for passage of primary air 43.
  • the burner of the invention operates in the following manner:
  • the gas From the inlet 10 the gas reaches the injector 14 and on leaving entrains primary air 43 upperly through the aperture 46.
  • the gas/air mixture then enters the venturi 26 and at its end splits equally through the two sections which return it rearwards in the opposite direction. Said mixture then reaches the opposing chambers 28, most of it then flowing through the apertures 19, which are in correspondence with and in contact with the apertures 6 of the outer portion of the flame divider 4, and into the annular outer portion thereof. From there the mixture is distributed and emerges outwards from the apertures 5 to create the outer flame ring, and towards the burner interior from the apertures 22 to create the second flame ring.
  • the path of the terminal part of the venturi 18 to the two sections 33, to the chambers 28 and to the entrance of the flame divider 4 contributes to optimal mixing of the air/gas mixture.
  • the rest of the mixture flows through the apertures 35 into the chamber 24, defined lowerly by the cup and upperly by the central portion of the flame divider 4, and then through the hole 37 to enter the chamber 31 which is upperly closed by the inner cap 38. From there, said mixture leaves through the slits 41 provided in the edge 25 of the inner portion of the flame divider, to hence create the inner flame ring of the burner.
  • a small aperture is present in the cavity 27 housing the injector to allow primary air to also enter from its interior, but relatively small so that the opening or closure of a door located below the hob does not extinguish the burner when operating at minimum throughput.
  • the linear venturi is inclined to such an extent that the total height of the injector holder cup is always within the standard height of built-in hobs, for example by an inclination up to 25°.

Abstract

A multiple sector gas burner with flames distributed over a substantially circular inner portion and over an outer portion, characterised by the following combination: - it presents a single gas inlet in communication with at least one injector (14) disposed substantially horizontal, - with said at least one injector (14) there is associated a venturi conduit (26) of linear extension disposed substantially horizontal, - the primary air required for burner operation comes from the top external to the hob, - the secondary air required for burner operation comes from the top external to the hob.

Description

BURNER WITH MULTIPLE FLAME SECTORS The present invention relates to a burner with multiple flame sectors. With burners having several concentric flame rings controlled by a single tap, i.e. so-called double or triple ring burners, there is an increasing tendency to require high powers for more rapid cooking. At the same time these burners must maintain very small height dimensions to enable them to be used both on cookers and on modern built-in hobs of only 30-40 mm in height.
As in the case of all burners, their injector has to be replaced if converting to use a different gas, this being done from the top without opening the hob.
Another essential requirement of these burners is that the primary and secondary air required for burner operation must be withdrawn only from the outside of the appliance. This enables the hob to be sealed together with the burner, so that any food spilled from pans can in no way enler the hob, and in addition the opening and closure of doors of a cabinet or oven positioned below the hob does not prejudice proper burner operation.
To satisfy these requirements, currently availabfe tripje ring burners are substantially constructed on the radial venturi concept, as is the case with all other smaller burners, i.e. auxiliary, semi-fast and fast.
In this type of burner the venturi is formed from a vertical first frusto- conical converging portion and a horizontally extending second radial diverging portion.
This solution enables very shallow compact burners to be developed but, in the case of double or triple ring burners, the constructional characteristics limit the horizontal radial length of the venturi. This means that the developed power is relatively low, this in the case of heavy gases being a considerable limitation, especially in those markets where these burners are most used, such as Asia and the Middle East, where the requirement for high power is strongest while at the same time heavier liquid gases are very widespread.
In other solutions the gas is fed to a number of injectors combined with radial Venturis to divide the gas among several Venturis and hence seek to develop more power, but these solutions also have limitations. The horizontally extending radial part, essential for burner operation, must necessarily have a certain surface which extends towards the burner interior and of necessity creates projections towards the burner interior which finish by limiting the secondary air within the internal part between the two burner portions, hence the internal burner must be of very small dimensions and with few flames.
These solutions are constructionally very complicated and costly and in no case do they attain the power target required by today's market.
An object of the invention is to avoid the aforesaid drawbacks by providing a burner with multiple flame rings or sectors, which is of high performance and power while being of very low cost, and not requiring the use of costly special two-way valves such as dual burners, but merely a simple tap.
This and other objects which will be apparent from the ensuing description are attained according to the invention by a multiple sector gas burner with flames distributed over a substantially circular inner portion and over an outer portion as claimed in claim 1.
The present invention is further clarified hereinafter in terms of a preferred embodiment and a variant provided and described with reference to the accompanying drawings, in which:
Figure 1 is a plan view of the assembled burner without the caps, Figure 2 is a plan view of the cup formed by the two assembled shells, Figure 3 is a plan view of the complete burner, Figure 4 is a section therethrough on the line IV-IV of Figure 3, Figure 5 is a section therethrough on the line V-V of Figure 3,
Figure 6 is a plan view of the lower shell of the injector holder cup, and Figure 7 shows a variant of the invention.
As can be seen from the figures, the burner of the invention comprises substantially a injector holder cup 1 , known hereinafter simply as a cup, consisting of a lower shell 2 and an upper shell 3 joined together, and a flame divider 4.
Said cup presents a perimetral edge 9 on which the hob 12 of the cooking appliance is fixed by screws 11.
In the lower outer part a gas inlet 10 is present, connected to the burner control tap by a tube.
The inlet 10 continues internally with a conduit 15 on which the horizontally disposed injector 14 is housed: the head of the injector 14 projects into a cavity 27 open only upwards. Opposite the injector 14 there extends a horizontal venturi conduit 26 formed from a first converging portion 16, a second more or less constant portion 17, and a third diverging portion 18.
The final diverging portion 18 of the venturi 26 leads to a conduit which branches into two sections 33 and 34 terminating in two opposing chambers 28 which extend externally towards the perimetral edge of the cup and internally towards the central region close to the venturi 28
Said chambers 28 upperly present an aperture 19 towards the outside, and an aperture 35 towards the inside. The flame divider 4 is preferably formed as a single piece consisting of a central inner portion and a more or less annular outer portion.
The outer portion presents an outer edge 30 in which a series of apertures 5 are provided for passage of the air/gas mixture, an inner edge 21 in which a series of apertures 22 are provided, and a base 13. In the base 13 two opposing apertures 6 are present, externally to which there is a wall 23.
The burner outer portion is closed upperly by a closure element 29 or outer cap.
The inner portion of the flame divider presents on its lower face an edge 7 which defines a cavity 24 open centrally upwards via a hole 37 leading into a chamber 31 defined circumferentially by an outer edge 25, lowerly by a base 40, and upperly by a closure element 38 or central cap.
Apertures 41 for exit of the air/gas mixture are provided in the outer edge 25. The edge 25 of the inner portion continues downwards and has associated with it a flange 8, the upper face 20 of which defines, with the outer edge 25 and the edge 21 of the outer portion, an annular cavity 39.
The flange 8 of the inner portion is joined to the edge 21 of the outer portion by connection sectors 32, which between them define apertures 36.
The flame divider 4 is supported and centered on the cup 1 by appropriate means 44 and defines an outer annular area 47 which, via the apertures 36, supplies the annular channel 39 with the secondary air required for creating the flames present on the central inner portion of the flame divider and the flames present on the inner edge 21 of the outer portion of the flame divider.
On its lower face the flame divider 4 presents projecting fins 49 which, when the flame divider rests in its seat on the cup 1 , close the edge 45 to define an outward aperture 46 for passage of primary air 43. The burner of the invention operates in the following manner:
From the inlet 10 the gas reaches the injector 14 and on leaving entrains primary air 43 upperly through the aperture 46. The gas/air mixture then enters the venturi 26 and at its end splits equally through the two sections which return it rearwards in the opposite direction. Said mixture then reaches the opposing chambers 28, most of it then flowing through the apertures 19, which are in correspondence with and in contact with the apertures 6 of the outer portion of the flame divider 4, and into the annular outer portion thereof. From there the mixture is distributed and emerges outwards from the apertures 5 to create the outer flame ring, and towards the burner interior from the apertures 22 to create the second flame ring.
During this stage the path of the terminal part of the venturi 18 to the two sections 33, to the chambers 28 and to the entrance of the flame divider 4 contributes to optimal mixing of the air/gas mixture. The walls 23, positioned between the apertures 6 through which the mixture enters the outer portion of the flame divider and its edge 30, prevent excessive emergence in this area, which could cause flame unbalance. The rest of the mixture flows through the apertures 35 into the chamber 24, defined lowerly by the cup and upperly by the central portion of the flame divider 4, and then through the hole 37 to enter the chamber 31 which is upperly closed by the inner cap 38. From there, said mixture leaves through the slits 41 provided in the edge 25 of the inner portion of the flame divider, to hence create the inner flame ring of the burner.
The secondary air required for combustion of the air/gas mixture leaving the slits 41 of the inner portion of the flame divider 4 and the slits 22 of its outer portion is available in the annular channel 39 which is fed with air through the apertures 43 which connect the outer region 47 to said channel 39. In this manner the flame divider 4 rests and is centered on the cup 1 to form a seal on said cup: the result is that if liquids spill from a pan, said liquids tend to emerge outside the hob 12, as the face 20 is inclined slightly downwards. At the same time the edge 45 and the fins 49 mean that said spilt liquids do not enter the chamber 27 housing the injector 14. In the embodiment shown in Figure 7 two linear Venturis are provided, each associated with an injector both connected to the burner gas inlet, in order to further increase burner power.
In a further embodiment a small aperture is present in the cavity 27 housing the injector to allow primary air to also enter from its interior, but relatively small so that the opening or closure of a door located below the hob does not extinguish the burner when operating at minimum throughput.
In a different embodiment, not shown in the drawings, the linear venturi is inclined to such an extent that the total height of the injector holder cup is always within the standard height of built-in hobs, for example by an inclination up to 25°.

Claims

C L A I M S
1. A multiple sector gas burner with flames distributed over a substantially circular inner portion and over an outer portion, characterised by the following combination: - it presents a single gas inlet in communication with at least one injector (14) disposed substantially horizontal,
- with said at least one injector (14) there is associated a venturi conduit (26) of linear extension disposed substantially horizontal,
- the primary air required for burner operation comes from the top external to the hob,
- the secondary air required for burner operation comes from the top external to the hob.
2. A burner as claimed in claim 1 , characterised in that said injector (14) and said venturi conduit (26) are disposed inclined to the burner base by an angle not exceeding 25°.
3. A burner as claimed in claim 1, characterised in that said injector (14) and said venturi conduit (26) are disposed horizontally.
4. A burner as claimed in claims from 1 to 3, characterised in that the air/gas mixture is supplied to both the outer and inner portion of the flame divider (4) via the same linear venturi conduit (26).
5. A burner as claimed in claim 4, characterised in that the inner portion of the flame divider (4) consists of an annular body presenting at least two series of flame slits.
6. A burner as claimed in claim 4, characterised in that the air/gas mixture enters the outer portion of the flame divider (4) through at least two apertures (6).
7. A burner as claimed in claim 4, characterised in that the flame divider (4) when resting on then cup (1) defines two separate sectors for primary air flow to the injector and for secondary air flow to the central inner part (39) of the flame divider (4).
8. A burner as claimed in claim 4, characterised in that the air/gas mixture reaches the central part of the flame divider through an aperture (37) located at the centre of the chamber (31) of said central part.
9. A burner as claimed in claims from 1 to 3, characterised in that the linear venturi conduit consists of a first converging portion (16), a second substantially rectilinear portion (17) and a third diverging portion (18), all lying on the same axis.
10. A burner as claimed in claim 3, characterised in that the flame divider (4) is in one piece.
11. A burner as claimed in claim 4, characterised in that the flame divider (4) is in two pieces.
12. A burner as claimed in one of the preceding claims, characterised in that the flame slits are also provided on the closure caps (29, 38).
13. A burner as claimed in claims from 1 to 3, characterised in that a small aperture is present in the cavity (27) housing the injector (14) to allow a small portion of primary air to also enter from the hob interior.
14. A burner as claimed in claims from 1 to 3, characterised in that all the primary air and all the secondary air required for burner operation come from the top externa! to the hob.
15. A burner as claimed in claim 3, characterised in that the venturi conduit opens into an upperly open chamber in communication with both the inner portion and outer portion of the flame divider (4).
PCT/EP2005/006838 2004-07-09 2005-06-24 Burner with multiple flame sectors WO2006005428A1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
KR1020067027025A KR101196106B1 (en) 2004-07-09 2005-06-24 Burner with multiple flame sectors
PL05773155T PL1781989T3 (en) 2004-07-09 2005-06-24 Gas burner with multiple flame rings
MXPA06015017A MXPA06015017A (en) 2004-07-09 2005-06-24 Burner with multiple flame sectors.
BRPI0513197-9A BRPI0513197B1 (en) 2004-07-09 2005-06-24 TRIPLE GAS BURNER RING FOR CONTOURS BUILT-IN LITHIUM
ES05773155.6T ES2564581T3 (en) 2004-07-09 2005-06-24 Gas burner with multiple flame rings
EP05773155.6A EP1781989B1 (en) 2004-07-09 2005-06-24 Gas burner with multiple flame rings
CN2005800232652A CN1985126B (en) 2004-07-09 2005-06-24 Burner with multiple flame sectors
EGNA2007000014 EG25057A (en) 2004-07-09 2007-03-12 Burner with multiple flame sectors.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITVE2004A000031 2004-07-09
IT000031A ITVE20040031A1 (en) 2004-07-09 2004-07-09 MULTI-FLAME SECTOR BURNER.

Publications (1)

Publication Number Publication Date
WO2006005428A1 true WO2006005428A1 (en) 2006-01-19

Family

ID=35033727

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/006838 WO2006005428A1 (en) 2004-07-09 2005-06-24 Burner with multiple flame sectors

Country Status (9)

Country Link
EP (1) EP1781989B1 (en)
CN (1) CN1985126B (en)
BR (1) BRPI0513197B1 (en)
EG (1) EG25057A (en)
ES (1) ES2564581T3 (en)
IT (1) ITVE20040031A1 (en)
MX (1) MXPA06015017A (en)
PL (1) PL1781989T3 (en)
WO (1) WO2006005428A1 (en)

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WO2006051368A1 (en) * 2004-11-12 2006-05-18 Indesit Company S.P.A. Improved gas burner system for food cooking
WO2007107195A1 (en) * 2006-03-23 2007-09-27 Steel Time S.R.L. Modular burner for a cooking plate
WO2008116773A2 (en) * 2007-03-23 2008-10-02 Defendi Italy S.R.L. Improved gas burner for cooking appliances
WO2009000754A2 (en) * 2007-06-28 2008-12-31 So.M.I. Press - Societa' Metalli Iniettati S.P.A. Improved double burner for gas hot plates with multiple flame crowns
EP2053309A1 (en) * 2007-10-23 2009-04-29 Electrolux Home Products Corporation N.V. Improved gas burner
WO2010096403A1 (en) 2009-02-18 2010-08-26 Electrolux Home Products, Inc. Gas burner
US20110151385A1 (en) * 2009-12-18 2011-06-23 Jose Arturo Lona Santoyo Triple Flame Section Burner
JP2012520981A (en) * 2009-03-18 2012-09-10 エレクトロラクス ホーム プロダクツ コーポレーション エヌ ヴィ Improved gas burner
WO2011081917A3 (en) * 2009-12-14 2013-01-03 Electrolux Home Products, Inc. Burner designed for wide range of inputs
EP2884176A3 (en) * 2013-12-11 2015-08-12 Whirlpool Corporation Additional primary air supply for cooktop gas burners
WO2017051364A2 (en) * 2015-09-24 2017-03-30 Defendi Italy S.R.L. A gas burner with multiple rings of flames for cooking hobs
KR20180059479A (en) * 2015-04-24 2018-06-04 디펜디 이탈리아 에스.알.엘. Gas burner with multi flame ring for cooktop
US10317088B2 (en) 2015-07-02 2019-06-11 Mabe, S.A. De C.V. Triple ring flame burner
EP3980690A4 (en) * 2019-07-10 2023-03-22 Femas Metal San. Ve Tic. A.S. A burner assembly with radial outward flame

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ITVE20080070A1 (en) * 2008-09-08 2010-03-09 Defendi Italy Srl GAS BURNER FOR COOKING APPLIANCES.
JP5393369B2 (en) * 2008-10-23 2014-01-22 リンナイ株式会社 Stove burner
PT2588808T (en) * 2010-06-30 2022-03-14 Sabaf Spa Gas burner with means for preventing flame propagation
CN103423745B (en) * 2013-08-08 2015-11-18 浙江火星人厨具有限公司 gas burner
CN103742909B (en) * 2014-01-25 2017-02-08 浙江帅丰电器有限公司 Upper air incoming burner with two ejectors
CN104713083B (en) * 2015-03-12 2017-05-03 广东美的厨房电器制造有限公司 Burner and gas appliance
CN104713084B (en) * 2015-03-12 2017-10-27 广东美的厨房电器制造有限公司 burner and gas appliance
CN107830520A (en) * 2017-09-27 2018-03-23 徐州工程学院 A kind of burning-point burner
CN112236619B (en) * 2018-06-25 2023-10-03 伊莱克斯家用电器股份公司 Gas burner assembly and gas cooking appliance comprising at least one gas burner assembly

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Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006051368A1 (en) * 2004-11-12 2006-05-18 Indesit Company S.P.A. Improved gas burner system for food cooking
WO2007107195A1 (en) * 2006-03-23 2007-09-27 Steel Time S.R.L. Modular burner for a cooking plate
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CN1985126A (en) 2007-06-20
MXPA06015017A (en) 2007-05-09
ES2564581T3 (en) 2016-03-23
PL1781989T3 (en) 2016-06-30
EP1781989A1 (en) 2007-05-09
BRPI0513197B1 (en) 2017-06-13
EP1781989B1 (en) 2015-12-09
ITVE20040031A1 (en) 2004-10-09
CN1985126B (en) 2011-02-02
EG25057A (en) 2011-07-20
BRPI0513197A (en) 2008-04-29

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