CN102906501A - Gas burner with multiple flame rings - Google Patents

Gas burner with multiple flame rings Download PDF

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Publication number
CN102906501A
CN102906501A CN2011800245766A CN201180024576A CN102906501A CN 102906501 A CN102906501 A CN 102906501A CN 2011800245766 A CN2011800245766 A CN 2011800245766A CN 201180024576 A CN201180024576 A CN 201180024576A CN 102906501 A CN102906501 A CN 102906501A
Authority
CN
China
Prior art keywords
burner
flame separate
separate orchestration
frame
flame
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
CN2011800245766A
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Chinese (zh)
Other versions
CN102906501B (en
Inventor
C·帕埃萨尼
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.)
E. G.O. electric tools Co., Ltd
Original Assignee
Defendi Italy SRL
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
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Publication of CN102906501A publication Critical patent/CN102906501A/en
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Publication of CN102906501B publication Critical patent/CN102906501B/en
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    • 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
    • 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
    • F23D14/46Details, e.g. noise reduction means
    • F23D14/62Mixing devices; Mixing tubes
    • F23D14/64Mixing devices; Mixing tubes with injectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D2203/00Gaseous fuel burners
    • F23D2203/007Mixing tubes, air supply regulation
    • 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
    • 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
    • F23D2900/14063Special features of gas burners for cooking ranges having one flame ring fed by multiple venturis

Abstract

A gas burner with multiple flame rings, comprising an injector holder piece (2), a flame divider (4) having an outer portion (26) of overall annular shape and an inner portion (28) of overall circular shape, and means (6) for upperly closing said outer and inner portions, characterised in that: -said injector holder piece (2) carries, applied thereto, at least two injectors (20, 20') of substantially vertical axis positioned in a substantially diametrical plane of the burner, -said flame divider (4) comprises at least two substantially vertical conduits (46, 46') facing the two injectors (20, 20') of the injector holder (2) and opening upperly into a horizontal venturi effect chamber, bounded upperly by said closure means (6), -the region downstream of said horizontal vertical effect chamber is connected in a fluidic manner to the inner portion (28) of said flame divider (4),; via two channels (36, 60).

Description

Gas burner with a plurality of flame rings
Technical field
The present invention relates to a kind of gas burner with a plurality of flame rings.
Background technology
Known single control gas burner processed with a plurality of concentric flame rings, that is, fuel gas supply is by the burner of single cock control.These burners generally include: injector retainer cup; Flame separate orchestration, this flame separate orchestration are shelved on the injector retainer cup and by two parts and form, and these two parts are joined together to form inside center part and outside annular section; Annular cover, the annular section of this annular cover sealing flame separate orchestration; With the plate-like lid, the core of this plate-like closed with covers flame separate orchestration.
Therefore, the known gas burner with a plurality of concentric rings is formed by altogether five elements that fit together.
A kind of in these known burner for example is described in EP-B1-0797048.
Summary of the invention
The gas burner that the purpose of this invention is to provide a kind of a plurality of concentric ring types, wherein the quantity of parts reduces.
Another object of the present invention provides a kind of gas burner of a plurality of concentric ring types, and this gas burner has limited total height, in order to can be installed on traditional built-in cooking frame.
Another object of the present invention provides a kind of burner of a plurality of concentric ring types, wherein primary air is inhaled into from the cooking frame top, in order to prevent from shoving (steaming), that is, and the flame disturbance when throwing open the fire door that is arranged in below the cooking frame or furniture.
According to the present invention, by the gas burner with a plurality of concentric rings as describing in the claim 1, obtain from following description obvious these and other objects.
Description of drawings
Further illustrate the present invention below by the preferred embodiments more of the present invention that are described with reference to the drawings, wherein:
Fig. 1 is the decomposition diagram of seeing from the top according to the first embodiment of burner of the present invention,
Fig. 2 is its decomposition diagram of seeing from the below,
Fig. 3 is mounted in its perspective view that is in its assembled state on the cooking frame,
Fig. 4 is with its perspective view shown in the vertical section,
Fig. 5 is with its second embodiment shown in the view identical with Fig. 4, and
Fig. 6 illustrates its 3rd embodiment with three injectors.
The specific embodiment
As seeing from figure, in the embodiment shown in Fig. 1-4, burner of the present invention comprises the three basic parts, and these three basic parts are comprised of injector retainer 2, flame separate orchestration 4 and lid 6.
Injector retainer 2 has substantially microscler extension and is configured as two cups 8 that restriction links together by two baffle plates 10.These two cups are in the bottom and sidepiece is closed and at their open-top, wherein sidewall is provided with outwards outstanding flange 12, in order to be shelved on the downside of metallic plate of cooking frame 14, this burner is fixed to this cooking frame by screw.
The sidewall of each cup 8 extends upward above flange 12 forming frame 16, and this frame exposes and serve as support component for flame separate orchestration 4 from cooking frame 14.
Injector retainer 2 also comprises fuel gas supply conduit 18; The fuel gas supply conduit extends on the lower horizontal of the base portion of two cups 8 ground, and open ended so that combustion gas enters and be communicated with two injectors 20 of the base portion that medially tightens to cup at one.
Flame separate orchestration 4 be shelved on the injector retainer 2 so that two downwards outstanding shaped projection 22 be shelved on the upper side frame 16 of two cups 8.These shaped projections 22 are not to extend along the whole extension of corresponding upper side frame 16, but only extend along two sidepieces of upper side frame and along the inside of upper side frame, in order between flame separate orchestration 4 and injector retainer 2, limit two holes so that the primary air that derives from above the cooking frame 14 enters in two cups 8.
Around 2 centering of injector retainer, described projection is from flame separate orchestration 4 to downward-extension and be attached to the inner surface of the sidewall of two cups 8 by their outside vertically edge by projection 24 for flame separate orchestration 4.
Flame separate orchestration 4 comprises the outer part 26 of annular shape generally and round-shaped interior part 28 generally.
More specifically, outer part 26 has outer rim 30 and interior frame 32, and this outer rim 30 circumferentially extends, and then some part of frame curves inwardly to be connected to the circular frame 34 of interior part 28 along the circumference extension concentric with the circumference of outer rim 30 in this.By this way, obtain two basically radial slot roads 36, described conduit provides the fluid between the outer part 26 of the interior part 28 of circle of flame separate orchestration 4 and annular to connect.Therefore, these two parts are defined by single continuous frame, this single continuous frame comprises a plurality of master ports 38 and time port 40 along its whole extension (except the part relevant with two radial channels 36), these a plurality of master ports and time port form the outer shroud of the flame that outwards points at frame 30, form the adapter ring of the flame that inwardly points at frame 32, and form the interior ring of the flame that outwards points at frame 34.
Two frames that define radial channels 36 also have inferior hole 42, its objective is flame is transferred to interior ring from adapter ring.
In addition, two conduits 43 are set in the outer part 26 of flame separate orchestration 4, these two conduits are provided with two little ports 44 in order to mutually light a fire between the flame of the flame of outer shroud and adapter ring and interior ring.
Flame separate orchestration 4 also comprises two vertical conduits 46, this vertical conduit is faced two injectors 20 in their bottom, and open wide at projection 48 places on top, this projection limits the bottom of two Venturi effect chambers, this venturi effect compartment is defined by lid 6 on top, and four centering post 50 places of described lid in being arranged on the flame separate orchestration are shelved on the flame separate orchestration 4.
When flame separate orchestration 4 is shelved on the upper side frame 16 of two cups 8 by its shaped projection 22, the flame separate orchestration keeps metallic plate interval one distance with cooking frame 14, in order to be identified for the path of auxiliary air with metallic plate, this auxiliary air is used for the interior part 28 of flame separate orchestration.
Lid 6 forms single part and comprises radially coupling part 56 of annular, outer 52, inner 54 and two moulding of plate-like.
The burner of this embodiment operates in the following manner: according to the path of arrow 58 indications among Fig. 4, leave from injector 20 from the combustion gas that conduit 18 enters, and two vertical conduits 46 that enter flame separate orchestration 4, thereby carry primary air secretly, this primary air is by by the outside of the shaped projection 22 of each cup 8 be positioned at the hole that the flame separate orchestration of top limits and be inhaled into from cooking frame 14 tops.
Finish it in the combustion gas that begins to mix and the radially venturi chamber of stream in correspondence of primary air and mix in each of vertical conduit 46, this venturi chamber is limited by the surface of projection 48 in the bottom and is limited by lid 6 on top.
Then the mixture that obtains by this way propagates to supply with its two rings outside and middle flame along the annular section 26 of flame separate orchestration 4, then further propagates to supply with the inner center ring that divides 28 flame along two radial conduit 36.
According to above-mentioned, clearly, burner of the present invention has more advantages than the traditional flame rings of manying burner, and particularly:
-it forms by three parts only, and therefore, owing to the flame separate orchestration is that single-piece die casting structure does not have machined, so its manufacturing is simple and economical,
Although-lid is used for three flame rings burners, also forms a part, again so that the burner manufacturing is simple and economical,
-because use radially venturi mixing chamber, so it has little vertical height and is easily mounted in the common cooking frame.The fact with two mixing chambers means the much higher power of conventional burners that can form than having single radially venturi mixing chamber,
-last, when being inhaled into from the cooking frame top owing to primary air, so it is in fact insensitive to shoving.
Among the embodiment shown in Figure 5, by two radially the combustion gas of the burner of the present invention that produces of venturi chamber/primary air mixture divide in 28 but two radial channels 60 that define by flame separate orchestration 4 and injector retainer 2 not as the central inner that the radial channels that define by flame separate orchestration and lid like that in the previous embodiment are sent to flame separate orchestration 4.For this purpose, be provided with two radial channels 60 in the coupling part of injector retainer 2 between two cups 8, these two radial channels with two radially the venturi mixing chamber be connected to the interior part 28 of flame separate orchestration 4, these two radial channels also are provided with baffle plate 62 so that at the described conduit 60 of closed upper part.
In this embodiment, its purpose of lid 6(no longer is to define the radial channels that two mixing chambers is connected to the interior part 28 of flame separate orchestration 4 on top) can form the part of two separation, wherein exterior section is that sub-circular shape and interior section are disc shaped.
Embodiment shown in Fig. 6 is different from the previous embodiment part and is to add to two cup 8(and is provided with corresponding injector at their base portion) the 3rd center cup 8 ', the 3rd center cup is provided with the 3rd injector 20 ' at its base portion, and the 3rd injector also is communicated with same fuel gas supply conduit 18.
In this case, the interior part 28 of flame separate orchestration 4 is communicated with cup 8 ' by the vertical conduit 46 ' of himself, supplies with combustion gas/primary air mixture by this vertical conduit.
Flame separate orchestration 4 only partly is shelved on and is positioned on the following injector retainer 2, in order to be defined for the hole that enters of the primary air that derives from cooking frame top.

Claims (12)

1. gas burner with a plurality of flame rings, described gas burner comprises: injector retainer (2); Flame separate orchestration (4), described flame separate orchestration have the outer part (26) of annular shape generally and round-shaped interior part (28) generally; Locking device (6) with being used in the described outer part of closed upper part and interior part is characterized in that:
Described injector retainer (2) is with at least two injectors (20,20 ') that are applied to the basically vertical axis on it, and described vertical axis is arranged in the approximate diameter plane of described burner,
Described flame separate orchestration (4) comprises at least two basically vertical conduits (46,46 '), described at least two basically vertical vessel cover to two injectors (20 of described injector retainer (2), 20 ') lead to horizontal Venturi effect chamber and on top, described horizontal Venturi effect chamber is defined by described locking device (6) on top
The zone in downstream, described horizontal Venturi effect chamber is connected to the interior part (28) of described flame separate orchestration (4) in the mode of fluid by two conduits (36,60).
2. burner as described in claim 1, it is characterized in that, two injectors (20) are applied to described injector retainer (2), described two injectors be arranged in that two tops are opened and the base portion of the cup (8) of sidepiece sealing on, described cup with their side walls enclose in the face of the described vertical conduit (46) of corresponding injector (20).
3. as or the burner described in more of aforementioned claim, it is characterized in that, the sidewall of each cup (8) extends upward metallic plate above cooking frame (14) with the form of frame (16), and receive and shelve the shaped projection (22) of correspondence thereon, described shaped projection is outstanding and partly interrupt forming the hole downwards from described flame separate orchestration (4), and the primary air that the described cooking frame of described Kong Weicong top sucks provides the entrance of the inside of leading to described cup.
4. burner as described in claim 3, it is characterized in that, the described flame separate orchestration (4) that is shelved on by its shaped projection (22) on the upper side frame (16) of each cup (8) keeps described flame separate orchestration to rise the amount that is enough to determine betwixt two paths from the metallic plate of described cooking frame (14), and described two paths are used for supplying with the auxiliary air of the interior part (28) of described flame separate orchestration (4).
5. as or the burner described in more of aforementioned claim, it is characterized in that, the interior part (28) of described flame separate orchestration (4) is for round-shaped generally, described outer part (26) is annular shape generally, comprise two widened sections, described horizontal Venturi effect chamber is arranged on described two widened sections.
6. burner as described in claim 5, it is characterized in that, the outer part (26) of described flame separate orchestration (4) has the outer rim (30) that circumferentially extends, with interior frame (32), some part of described interior frame is along the circumference extension concentric with aforementioned circumference in inside, and remainder forms two the recessed zones corresponding with the widened section of described outer part.
7. burner as described in claim 5, it is characterized in that, the interior part (28) of described flame separate orchestration (4) is defined by frame (34), and this frame has round-shaped, outside the part of the outer rim (32) of the part (26) of the annular that is connected to described flame separate orchestration.
8. burner as described in claim 7, it is characterized in that the radial slot road (36) that the fluid that the coupling part between the outer rim (32) of the frame (34) of the interior part (28) of described flame separate orchestration (4) and the outer part (26) of described flame separate orchestration limits to be provided between described radially Venturi effect chamber and the described interior part (28) connects.
9. burner as described in claim 8 is characterized in that described locking device (6) is comprised of lid, and described lid comprises: annular, outer (52), described annular, outer are used for sealing the outer part (26) of the annular of described flame separate orchestration (4); Circular interior (54), described circular interior are used for sealing the interior part (28) of the circle of described flame separate orchestration; With two moulding sections (56) radially, described two radially moulding section described annular, outer (52) and described circular interior (54) are linked together and are used in the described radial slot of closed upper part road (36).
10. as or the burner described in more of aforementioned claim, it is characterized in that, two conduits (60) of base portion that each horizontal Venturi effect chamber are connected to the interior part (28) of described flame separate orchestration (4) are provided in the part that described two cups (8) are linked together of described injector retainer (2).
11. as one or the burner described in more of aforementioned claim, it is characterized in that, three injectors (20,20 ') be applied to described injector retainer (2), described three injectors be arranged on the base portion of three cups (8,8 ') and substantial alignment in the diametral plane of described burner.
12. one or the burner described in more such as aforementioned claim is characterized in that described cup (8,8 ') is provided with the hole that enters for described primary air, described primary air is inhaled into from described cooking frame top.
CN201180024576.6A 2010-05-19 2011-05-17 There is the gas burner of multiple flame rings Active CN102906501B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT2010A000023 2010-05-19
ITVE2010A000023A IT1400182B1 (en) 2010-05-19 2010-05-19 GAS BURNER WITH MORE FLAME CHAINS.
PCT/EP2011/057994 WO2011144630A2 (en) 2010-05-19 2011-05-17 Gas burner with multiple flame rings

Publications (2)

Publication Number Publication Date
CN102906501A true CN102906501A (en) 2013-01-30
CN102906501B CN102906501B (en) 2016-08-03

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EP (1) EP2572141B1 (en)
CN (1) CN102906501B (en)
BR (1) BR112012027693B1 (en)
ES (1) ES2526144T3 (en)
IT (1) IT1400182B1 (en)
MX (1) MX345708B (en)
PL (1) PL2572141T3 (en)
WO (1) WO2011144630A2 (en)

Cited By (8)

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Publication number Priority date Publication date Assignee Title
WO2016145744A1 (en) * 2015-03-13 2016-09-22 广东美的厨房电器制造有限公司 Burner
WO2016145745A1 (en) * 2015-03-13 2016-09-22 广东美的厨房电器制造有限公司 Burner
WO2016145746A1 (en) * 2015-03-13 2016-09-22 广东美的厨房电器制造有限公司 Burner and gas appliance
CN108317544A (en) * 2018-02-08 2018-07-24 吴联凯 A kind of Chinese meal type gas cooking stove
CN108332238A (en) * 2018-02-08 2018-07-27 吴联凯 A kind of Chinese meal type gas-cooker
CN109416174A (en) * 2016-07-04 2019-03-01 Bsh家用电器有限公司 Gas burner and domestic cooking appliance
CN113785159A (en) * 2019-04-01 2021-12-10 萨巴夫股份有限公司 Gas burner
CN114321917A (en) * 2022-01-26 2022-04-12 佛山市顺德区美的洗涤电器制造有限公司 Burner and gas stove

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ITVE20130027A1 (en) * 2013-05-29 2014-11-30 Defendi Italy Srl PERFECTED GAS BURNER.
EP3002513B1 (en) * 2014-09-30 2019-01-16 Electrolux Appliances Aktiebolag Gas burner assembly for a cooking hob
KR102297756B1 (en) * 2014-12-17 2021-09-03 엘지전자 주식회사 Burner
KR102297799B1 (en) * 2014-12-17 2021-09-03 엘지전자 주식회사 Burner
KR102301481B1 (en) * 2014-12-17 2021-09-14 엘지전자 주식회사 Burner
MX2017011520A (en) * 2015-03-10 2018-01-25 Defendi Italy Srl Improved gas bruner.
ES2717549A1 (en) * 2017-12-21 2019-06-21 Bsh Electrodomesticos Espana Sa INJECTOR DEVICE FOR A GAS BURNER OF A DOMESTIC APPLIANCE, GAS BURNER, AND DOMESTIC APPLIANCES (Machine-translation by Google Translate, not legally binding)
IT202100001640A1 (en) 2021-01-27 2022-07-27 Sabaf Spa ATMOSPHERIC GAS BURNER FOR COOKING APPLIANCES.
US11940148B2 (en) 2021-10-28 2024-03-26 Electrolux Appliances Aktiebolag Multi injection dual ring gas burner for domestic gas cooking units

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CN101487592A (en) * 2004-02-02 2009-07-22 电气联合股份有限公司 Gas burner
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Cited By (13)

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Publication number Priority date Publication date Assignee Title
EP3270056A4 (en) * 2015-03-13 2018-10-17 Guangdong Midea Kitchen Appliances Burner
WO2016145745A1 (en) * 2015-03-13 2016-09-22 广东美的厨房电器制造有限公司 Burner
WO2016145746A1 (en) * 2015-03-13 2016-09-22 广东美的厨房电器制造有限公司 Burner and gas appliance
US20180045406A1 (en) * 2015-03-13 2018-02-15 Guangdong Midea Kitchen Appliances Manufacturing Co., Ltd. Burner
WO2016145744A1 (en) * 2015-03-13 2016-09-22 广东美的厨房电器制造有限公司 Burner
US10465903B2 (en) 2015-03-13 2019-11-05 Guangdong Midea Kitchen Appliances Manufacturing Co., Ltd. Burner
CN109416174A (en) * 2016-07-04 2019-03-01 Bsh家用电器有限公司 Gas burner and domestic cooking appliance
CN109416174B (en) * 2016-07-04 2020-03-03 Bsh家用电器有限公司 Gas burner and household cooking appliance
CN108317544A (en) * 2018-02-08 2018-07-24 吴联凯 A kind of Chinese meal type gas cooking stove
CN108332238A (en) * 2018-02-08 2018-07-27 吴联凯 A kind of Chinese meal type gas-cooker
CN108317544B (en) * 2018-02-08 2019-12-31 佛山市顺德区吉孚电器有限公司 Chinese meal type gas cooking stove
CN113785159A (en) * 2019-04-01 2021-12-10 萨巴夫股份有限公司 Gas burner
CN114321917A (en) * 2022-01-26 2022-04-12 佛山市顺德区美的洗涤电器制造有限公司 Burner and gas stove

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WO2011144630A3 (en) 2012-08-02
BR112012027693B1 (en) 2020-10-27
MX345708B (en) 2017-02-13
CN102906501B (en) 2016-08-03
EP2572141B1 (en) 2014-10-15
PL2572141T3 (en) 2015-03-31
IT1400182B1 (en) 2013-05-17
BR112012027693A2 (en) 2016-08-16
EP2572141A2 (en) 2013-03-27
ITVE20100023A1 (en) 2011-11-20
ES2526144T3 (en) 2015-01-07
MX2012013002A (en) 2013-03-05
WO2011144630A2 (en) 2011-11-24

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Effective date of registration: 20200721

Address after: Baden wuertenberg, Germany

Patentee after: E. G.O. electric tools Co., Ltd

Address before: Carmelano, Italy

Patentee before: DEFENDI ITALY S.R.L.

TR01 Transfer of patent right