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
Grant status
Application
Patent type
Prior art keywords
burner
characterised
injector
portion
flame divider
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

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F23D14/04Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
    • F23D14/06Premix 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
    • F23D14/065Premix 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D2900/00Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/14Special features of gas burners
    • F23D2900/14062Special features of gas burners for cooking ranges having multiple flame rings

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 (2)

Application Number Priority Date Filing Date Title
ITVE20040031 2004-07-09
ITVE2004A000031 2004-07-09

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP20050773155 EP1781989B1 (en) 2004-07-09 2005-06-24 Gas burner with multiple flame rings
ES05773155T ES2564581T3 (en) 2004-07-09 2005-06-24 Gas burner multiple rings of flames
CN 200580023265 CN1985126B (en) 2004-07-09 2005-06-24 Burner with multiple flame sectors
KR20067027025A KR101196106B1 (en) 2004-07-09 2005-06-24 Burner with multiple flame sectors

Publications (1)

Publication Number Publication Date
WO2006005428A1 true 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 (4)

Country Link
EP (1) EP1781989B1 (en)
CN (1) CN1985126B (en)
ES (1) ES2564581T3 (en)
WO (1) WO2006005428A1 (en)

Cited By (11)

* 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
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Electrolux Home Products Corporation N.V. 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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100578091C (en) 2007-12-12 2010-01-06 孙凤枝 Split combined gas range
JP5393369B2 (en) 2008-10-23 2014-01-22 リンナイ株式会社 Stove burner
CA2799681C (en) * 2010-06-30 2018-02-20 Sabaf S.P.A. 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 Having a double-ejector wind burner motivated
CN104713084B (en) * 2015-03-12 2017-10-27 广东美的厨房电器制造有限公司 Burners and gas appliances
CN104713083B (en) * 2015-03-12 2017-05-03 广东美的厨房电器制造有限公司 Burners and gas appliances

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1102916A (en) * 1951-07-28 1955-10-27 Fonderie Soc Gen De Improvements in gas kitchen appliances
DE1092622B (en) * 1957-01-09 1960-11-10 Homann Werke od safety device for gas burners for cooking appliances. like.
FR2356078A1 (en) * 1976-06-23 1978-01-20 Morice Roger Domestic cooker gas burner - is pot shaped and cover has horizontal jet holes alternating with sloping flame channels
GB2223302A (en) * 1988-09-28 1990-04-04 Tiao Ho Yen Gas burner
US5704778A (en) * 1997-02-28 1998-01-06 Tri Square Industrial Co., Ltd. Gas burner
US20010010897A1 (en) 2000-01-28 2001-08-02 Bernard Dane Gas burner with multiple gas rings
EP1180642A1 (en) * 2000-08-02 2002-02-20 SMEG S.p.A. Ultra-high-speed burner for a cooking range or a gas cooker

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2655711B1 (en) 1989-12-13 1992-02-07 Applic Electrotech Meca Burner for gaseous aero-mixture fuel.
WO1999008046A1 (en) * 1997-08-11 1999-02-18 Officine Meccaniche Defendi S.R.L. Gas burner with several flame sectors
US6742514B1 (en) * 2002-06-07 2004-06-01 Eastman Outdoors Burner assembly, outdoor stove including same, and stove kit

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1102916A (en) * 1951-07-28 1955-10-27 Fonderie Soc Gen De Improvements in gas kitchen appliances
DE1092622B (en) * 1957-01-09 1960-11-10 Homann Werke od safety device for gas burners for cooking appliances. like.
FR2356078A1 (en) * 1976-06-23 1978-01-20 Morice Roger Domestic cooker gas burner - is pot shaped and cover has horizontal jet holes alternating with sloping flame channels
GB2223302A (en) * 1988-09-28 1990-04-04 Tiao Ho Yen Gas burner
US5704778A (en) * 1997-02-28 1998-01-06 Tri Square Industrial Co., Ltd. Gas burner
US20010010897A1 (en) 2000-01-28 2001-08-02 Bernard Dane Gas burner with multiple gas rings
EP1180642A1 (en) * 2000-08-02 2002-02-20 SMEG S.p.A. Ultra-high-speed burner for a cooking range or a gas cooker

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1781989A1 *

Cited By (25)

* 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
US7967004B2 (en) 2006-03-23 2011-06-28 Steel Time S.P.A. 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
US9127838B2 (en) 2007-03-23 2015-09-08 Defendi Italy S.R.L. Gas burner for cooking appliances
WO2008116773A3 (en) * 2007-03-23 2009-04-16 Defendi Italy Srl 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
WO2009000754A3 (en) * 2007-06-28 2009-11-26 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
WO2009053125A1 (en) * 2007-10-23 2009-04-30 Electrolux Home Products Corporation N.V. Improved gas burner
EP2258982A3 (en) * 2007-10-23 2015-08-26 Electrolux Home Products Corporation N.V. Improved gas burner
KR101479807B1 (en) * 2007-10-23 2015-01-06 일렉트로룩스 홈 프로덕츠 코오포레이션 엔.브이. Improved gas burner
US8221116B2 (en) 2007-10-23 2012-07-17 Electrolux Home Products Corporation N.V. Gas burner
WO2010096403A1 (en) 2009-02-18 2010-08-26 Electrolux Home Products, Inc. Gas burner
CN102317684B (en) 2009-02-18 2014-10-01 伊莱克斯家用产品公司 A gas burner
CN102317684A (en) * 2009-02-18 2012-01-11 伊莱克斯家用产品公司 Gas burner
US8973569B2 (en) 2009-02-18 2015-03-10 Electrolux Home Products, Inc. Gas 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Electrolux Home Products Corporation N.V. Improved gas burner
WO2011081917A3 (en) * 2009-12-14 2013-01-03 Electrolux Home Products, Inc. Burner designed for wide range of inputs
US20110151385A1 (en) * 2009-12-18 2011-06-23 Jose Arturo Lona Santoyo Triple Flame Section Burner
US8747108B2 (en) * 2009-12-18 2014-06-10 Mabe, S.A. De C.V. Triple flame section burner
EP2884176A3 (en) * 2013-12-11 2015-08-12 Whirlpool Corporation Additional primary air supply for cooktop gas burners
US9513012B2 (en) 2013-12-11 2016-12-06 Whirlpool Corporation Additional primary air access for surface 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
WO2017051364A3 (en) * 2015-09-24 2017-10-26 Defendi Italy S.R.L. A gas burner with multiple rings of flames for cooking hobs

Also Published As

Publication number Publication date Type
ES2564581T3 (en) 2016-03-23 grant
CN1985126B (en) 2011-02-02 grant
EP1781989B1 (en) 2015-12-09 grant
CN1985126A (en) 2007-06-20 application
EP1781989A1 (en) 2007-05-09 application

Similar Documents

Publication Publication Date Title
US3592180A (en) Gas burner device
EP0552135A2 (en) Improved gas cooker burner with three concentric flames
US7291009B2 (en) Dual stacked gas burner and a venturi for improving burner operation
US6780008B2 (en) Gas stove burner with simmer flame
US5800159A (en) Atmospheric gas burner assembly for improved flame stability
US20050142511A1 (en) Cooperating bridge burner system
US6322354B1 (en) Stacked dual gas burner
US6607378B2 (en) Ignition flame for gas cooking burners
US4757801A (en) Flat type gas burner
US5649822A (en) Gas burner
US6135764A (en) Ribbon port burner for gas range
US6851420B2 (en) Burner with piloting ports
US6318993B1 (en) Plurality fingered burner
US6371754B1 (en) Flame stabilizing channel for increased turn down of gas burners
GB2256268A (en) Cooker burner mounting
US5639232A (en) Gas burner
US4810188A (en) Spark ignited gas burner assembly
US5899681A (en) Atmospheric gas burner assembly for improved flame retention and stability
US20010010897A1 (en) Gas burner with multiple gas rings
US5765542A (en) Cooktop gas burner
US20100206293A1 (en) Gas burner
US20070218414A1 (en) Gas burner
EP0797048A1 (en) Gas burner for kitchen appliances
US7001176B2 (en) Burner with internal separator
US3809055A (en) Burner cap assembly

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: PA/a/2006/015017

Country of ref document: MX

WWE Wipo information: entry into national phase

Ref document number: 1020067027025

Country of ref document: KR

WWE Wipo information: entry into national phase

Ref document number: 200580023265.2

Country of ref document: CN

NENP Non-entry into the national phase in:

Ref country code: DE

WWW Wipo information: withdrawn in national office

Country of ref document: DE

WWE Wipo information: entry into national phase

Ref document number: 2005773155

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 1020067027025

Country of ref document: KR

WWP Wipo information: published in national office

Ref document number: 2005773155

Country of ref document: EP

ENP Entry into the national phase in:

Ref document number: PI0513197

Country of ref document: BR