EP3102878A1 - Gasbrenner, kochstelle und herd - Google Patents
Gasbrenner, kochstelle und herdInfo
- Publication number
- EP3102878A1 EP3102878A1 EP15704382.9A EP15704382A EP3102878A1 EP 3102878 A1 EP3102878 A1 EP 3102878A1 EP 15704382 A EP15704382 A EP 15704382A EP 3102878 A1 EP3102878 A1 EP 3102878A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gas
- primary air
- mixing
- burner
- guide element
- 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
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
- 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
-
- 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
- F23D14/46—Details
- F23D14/62—Mixing devices; Mixing tubes
- F23D14/64—Mixing devices; Mixing tubes with injectors
-
- 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
- F23D2900/14021—Premixing burners with swirling or vortices creating means for fuel or air
Definitions
- the present invention relates to a gas burner, a cooking station and a stove.
- Gas burners use a Venturi nozzle to mix the fuel gas with primary air.
- JP 3109608 U describes a gas burner having vanes arranged to direct the primary air to a fuel gas jet for good combustion
- an object of the present invention is to provide an improved gas burner.
- a gas burner for a cooking station with a burner housing, a mixing section provided on the burner housing for mixing fuel gas with primary air and a gas nozzle arranged at the mixing section.
- the gas nozzle is adapted to inject the fuel gas into a mixing chamber of the mixing section, wherein the mixing section comprises at least one primary air inlet for sucking the primary air from an environment of the gas burner into the mixing space.
- the at least one primary air inlet has a guide element, which is set up to direct the primary air sucked into the mixing chamber onto the fuel gas injected into the mixing space in such a way that the primary air mixes with the fuel gas, wherein the guide element has a first end edge and a second end edge has, wherein the
- Guide element is curved such that the primary air flows along the guide element from the first end edge toward the second end edge and that the guide element in the region of the second end edge points past the gas nozzle.
- the guide element is curved such that the primary air of the
- Guide element is directed tangentially to the injected in the mixing chamber fuel gas. As a result, a deflection of the injected fuel gas jet is prevented. Furthermore, a better turbulence of the primary air is thereby achieved. Due to the fact that the second end edge points past the gas nozzle, it is achieved, in particular, that the primary air does not impinge directly on the injected fuel gas jet. This prevents the fuel gas jet from being deflected. Furthermore, as a result of the fact that the primary air flows laterally past the injected jet of fuel, a turbulence of the primary air can be achieved, so that the primary air flows helically around the injected fuel gas flow on the outside and uniformly mixes with the fuel gas flow through the vortex formation, without deflecting it.
- the guide element is a guide vane.
- the first end edge is in particular a leading edge of the guide vane and the second end edge is in particular a trailing edge of the
- the guide element is arcuately curved at least in sections.
- the guide element can be curved in a circular arc.
- the guide element may further comprise non-curved, that is straight, sections.
- the guide element may be partially curved and partially straight.
- Distribution chamber of the gas burner wherein the distribution chamber is adapted to distribute a fuel gas-primary air mixture on burner nozzles of the gas burner. As a result, a deflection of the fuel gas jet is dispensable.
- the mixing section has a plurality
- each primary air inlet is associated with a guide element.
- the primary air inlets are uniform around an extent of the
- a second end edge of a guide element points towards an adjacently arranged guide element.
- a tangent to the second end edge of the guide element intersects the adjacently arranged guide element.
- the primary air inlets are distributed uniformly around a circumference of the mixing section.
- a perpendicular to a tangent of the second end edge simultaneously cuts a central axis of the gas nozzle and the second end edge.
- the guide element is adapted to divert the sucked into the mixing chamber primary air such that it is swirled.
- the primary air is swirled so that it flows helically around the injected fuel gas.
- the gas nozzle is positioned centrally at a bottom of the mixing space.
- the bottom preferably has a circular geometry.
- the gas nozzle preferably protrudes into the mixing chamber.
- the gas nozzle can be screwed into the floor.
- Burner housing formed in several parts.
- the mixing section and the burner housing are each one
- the mixing section for example, with the
- the gas burner further comprises an on the
- Burner housing arranged burner head for burning the mixed with the primary air fuel gas.
- the burner head preferably has a plurality of burner nozzles, which are arranged in particular evenly distributed around a circumference of the burner head. From the burner nozzles, the primary air-fuel gas mixture flows out and burns. According to another embodiment, the burner head is downstream of the burner head
- the primary air fuel gas mixture for all burner nozzles is mixed simultaneously in the mixing chamber. This allows a structurally simple construction of the gas burner.
- the hob is a gas stove.
- the cooking area can be part of a household appliance.
- a stove is proposed with such a gas burner and / or such a cooking place.
- the stove is a gas stove.
- the stove is in particular a household appliance.
- Fig. 1 shows a schematic perspective view of an embodiment of a gas burner
- FIG. 2 shows a schematic partial sectional view of the gas burner according to FIG. 1;
- FIG. Fig. 3 shows a sectional view of the gas burner according to the section line III-III of Fig. 2;
- Fig. 4 shows schematically the mixing process of a fuel gas with primary air in the
- Fig. 5 shows the mixing process of a fuel gas with primary air in a known gas burner.
- FIG. 1 shows a schematic perspective view of a gas burner 1.
- FIG. 2 shows the gas burner 1 in a schematic partial sectional view.
- Fig. 3 shows a sectional view of the gas burner 1 according to the section line III-III of Fig. 2.
- FIGS. 1 to 3 simultaneously.
- the gas burner 1 may be associated with a cooking point 2, in particular a gas hob, a hearth 3, in particular a gas range.
- the gas burner 1 has a burner housing 4 and a top side placed on the burner housing 4 Burner head 5 on.
- the burner housing 4 may rest on a hob plate and / or be attached thereto.
- the burner housing 4 and the burner head 5 are preferably designed as metal components, for example as aluminum or steel components.
- a plurality of burner nozzles 6 are provided, of which in Figs. 1 and 2 only one is provided with a reference numeral.
- the burner nozzles 6 are preferably distributed uniformly around a circumference of the burner head 5.
- a distribution chamber 7 is provided between the burner housing 4 and the burner head.
- a distribution chamber 7 is provided between the burner housing 4 and the burner head.
- the distribution chamber 7 also serves the uniform distribution of the fuel gas-primary air mixture to the burner nozzles. 6
- the gas burner 1 also has a provided on the burner housing 4
- the mixing section 8 on.
- the mixing section 8 is in particular on the underside of the
- Burner housing 4 is arranged.
- the mixing section 8 is cylindrical and extends out of a lower side 9 of the burner housing 4.
- the mixing section 8 can be embodied in one piece with the burner housing 4. Further, the mixing section 8 and the burner housing 4, as shown in FIG. 2, be made of several parts. For this purpose, the mixing section 8, for example, with the
- a gas nozzle 10 is provided at the mixing section 8.
- the gas nozzle 10 is arranged in particular centrally in the cylindrical mixing section 8.
- the gas nozzle 10 is disposed on a bottom 1 1 of the mixing section 8.
- a mixing chamber 12 is provided in the mixing section 8.
- the bottom 11 is a bottom of the mixing space 12.
- the gas nozzle 10 is arranged in the mixing space 12 and / or protrudes into it.
- the mixing chamber 12 is fluidically connected to the distribution chamber 7.
- the distribution chamber 7 and the burner head 5 are arranged downstream of the mixing chamber 12.
- the gas nozzle 10 is adapted to inject fuel gas into the mixing chamber 12 of the mixing section 8.
- the mixing section 8 has at least one primary air inlet 13.
- a plurality of primary air inlets 13 are provided, which are arranged in particular uniformly distributed around a circumference u of the mixing section 8.
- Primary air inlet 13 is adapted to receive primary air from an environment 14 of the Gas burner 1 to suck.
- the mixing section 8 with the gas nozzle 10 acts in particular as a Venturi nozzle. That is, with the aid of the fuel gas flowing into the mixing chamber 12, primary air is sucked in laterally through the primary air inlets 13.
- Each primary air inlet 13 has a guide element 15, which is set up to direct the primary air sucked into the mixing chamber 12 onto the fuel gas injected into the mixing chamber 12.
- the guide element 15 is in particular a guide blade.
- the guide element 15 is arcuately curved at least in sections.
- the guide element 15, as shown in FIG. 3, has a leading edge or first end edge 16 and a trailing edge or second end edge 17.
- the first end edge 16 is assigned to the circumference u of the mixing section 8.
- the first end edge 16 may lie on the circumference u.
- the second end edge 17 is remote from the circumference u.
- Guide element 15 is in particular curved in such a way that the primary air flows along the guide element 15 from the first end edge 16 toward the second end edge 17. As a result, the primary air is passed to the gas nozzle 10.
- the guide element 15 is also curved in such a way that the second end edge 17 points past the gas nozzle 10.
- the primary air is directed tangentially by the guide element 15 onto the fuel gas injected into the mixing chamber 12.
- the guide elements 15 are arranged such that the second end edge 17 of a respective guide element 15 faces an adjacently arranged guide element 15.
- a respective tangent 18 is arranged on the second end edge 17 such that it intersects an adjacent guide element 15.
- the guide elements 15 are also to
- a vertical 19 on the tangent 18 simultaneously cuts a central axis 20 of the gas nozzle 10 and the second end edge 17.
- FIG. 4 shows the mixing of the primary air with the fuel gas injected from the gas nozzle 10 into the mixing chamber 12.
- the primary air is thereby deflected by the guide elements 15 such that this is swirled and mixed so evenly in the mixing chamber 12 with the fuel gas.
- the swirling primary air flows around the
- Fuel gas stream spirally and mixes with the fuel gas without the
- FIG. 5 shows, for comparison, the flow situation in a mixing chamber of a known gas burner. In this case, the primary air flows laminar laterally on the
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201430127A ES2542346B1 (es) | 2014-02-03 | 2014-02-03 | Quemador de gas, punto de coccion, y cocina |
| PCT/IB2015/050781 WO2015114600A1 (de) | 2014-02-03 | 2015-02-02 | Gasbrenner, kochstelle und herd |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3102878A1 true EP3102878A1 (de) | 2016-12-14 |
| EP3102878B1 EP3102878B1 (de) | 2019-04-10 |
Family
ID=52469874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP15704382.9A Active EP3102878B1 (de) | 2014-02-03 | 2015-02-02 | Gasbrenner, kochstelle und herd |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3102878B1 (de) |
| ES (1) | ES2542346B1 (de) |
| WO (1) | WO2015114600A1 (de) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1141977A (fr) * | 1955-12-14 | 1957-09-12 | Brûleur tous gaz à mélangeur vertical pour table de cuisson de cuisinières domestiques | |
| US4729734A (en) * | 1986-07-18 | 1988-03-08 | Polomchak Robert W | Device for improved combustion |
| US4673350A (en) * | 1986-08-26 | 1987-06-16 | Eclipse, Inc. | Burner assembly for radiant tube heating system |
| JPH03109608U (de) | 1990-02-26 | 1991-11-11 | ||
| US5380194A (en) * | 1992-09-22 | 1995-01-10 | Polomchak; Robert W. | Heating device |
| GB2276715B (en) * | 1993-03-29 | 1995-10-04 | Yue Stoves Manufactory Limited | Gas burner |
| TWI257994B (en) * | 2004-12-03 | 2006-07-11 | Ind Tech Res Inst | Flame generator |
| EP2072895B1 (de) * | 2007-12-18 | 2014-07-23 | Electrolux Home Products Corporation N.V. | Gasbrenner mit verbesserter primärer Luftleitung |
-
2014
- 2014-02-03 ES ES201430127A patent/ES2542346B1/es not_active Expired - Fee Related
-
2015
- 2015-02-02 EP EP15704382.9A patent/EP3102878B1/de active Active
- 2015-02-02 WO PCT/IB2015/050781 patent/WO2015114600A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP3102878B1 (de) | 2019-04-10 |
| ES2542346B1 (es) | 2016-05-17 |
| ES2542346A1 (es) | 2015-08-04 |
| WO2015114600A1 (de) | 2015-08-06 |
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