EP2584260B1 - Vollständig belüfteter Brenner - Google Patents

Vollständig belüfteter Brenner Download PDF

Info

Publication number
EP2584260B1
EP2584260B1 EP11185667.0A EP11185667A EP2584260B1 EP 2584260 B1 EP2584260 B1 EP 2584260B1 EP 11185667 A EP11185667 A EP 11185667A EP 2584260 B1 EP2584260 B1 EP 2584260B1
Authority
EP
European Patent Office
Prior art keywords
plate
combustion
burner
chamber
air
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.)
Not-in-force
Application number
EP11185667.0A
Other languages
English (en)
French (fr)
Other versions
EP2584260A1 (de
Inventor
Kazuyuki Akagi
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.)
Rinnai Corp
Original Assignee
Rinnai Corp
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 Rinnai Corp filed Critical Rinnai Corp
Priority to EP11185667.0A priority Critical patent/EP2584260B1/de
Publication of EP2584260A1 publication Critical patent/EP2584260A1/de
Application granted granted Critical
Publication of EP2584260B1 publication Critical patent/EP2584260B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • 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
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details
    • F23D14/70—Baffles or like flow-disturbing devices
    • 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
    • F23D2900/00003—Fuel or fuel-air mixtures flow distribution devices upstream of the outlet

Definitions

  • the present invention relates to a totally aerated combustion burner (or a fully primary aerated burner) which is equipped with a combustion plate having formed therein a multiplicity of flame holes and which discharges a premixed gas from the flame holes to perform totally aerated combustion (or fully primary aerated combustion) of the gas.
  • JP-2001-090913 A As this kind of totally aerated combustion burner, there is known one described in JP-2001-090913 A .
  • a side of the burner as is equipped with a combustion plate is defined as an upper surface, that a width direction of the burner is defined as a lateral direction, and that a depth direction of the burner is defined as a longitudinal direction, respectively.
  • the burner has: a distribution chamber facing the lower surface of the combustion plate; a mixing chamber located on the lower side of the distribution chamber; an air supply chamber located on the lower side of the mixing chamber, thereby supplying the primary air from a combustion fan; and a plurality of nozzle holes parallely formed in the front surface of the mixing chamber at a lateral distance from one another.
  • the burner has disposed therein an inclined plate extending from the front side of the mixing chamber in a manner to be inclined upward toward the rear thereof.
  • the inclined plate is provided with a plurality of openings at a lateral distance from one another so as to introduce therein the primary air from the air supply chamber. It is so arranged that the fuel gas ejected from each of the nozzle holes comes into collision with that portion of the inclined plate which is free from formation of the openings (also referred to as "an opening-free portion"), thereby diffusing the fuel gas.
  • the diffused fuel gas gets mixed with the primary air introduced from the openings so that the mixing of the fuel gas with the primary air is accelerated.
  • the primary air flows from the air supply opening through the ventilation clearance between the front surface of the mixing chamber and the wall plate. Then, the fuel gas ejected from each of the nozzle holes collides with the wall plate and is diffused. The diffused fuel gas gets mixed with the primary air that flows through the ventilation clearance, and the mixing of the fuel gas and the primary air is accelerated.
  • openings for introducing the primary air need not be formed in the wall plate. Therefore, even if the nozzle holes are deviated sidewise in some degree relative to the wall plate, it is possible to cause the fuel gas to collide with the wall plate to thereby stably mix the fuel gas and the primary air together. Accurate alignment between the nozzle holes and the wall plate consequently becomes unnecessary. As a result, the assembly of the burner becomes easy, and the cost reduction thereof can be achieved.
  • the wall plate is preferably inclined forward in an upward direction. According to this arrangement, the primary air introduced from the air inlet into the ventilation clearance collides with the wall plate from the lower side, so that the mixing of the primary air with the fuel gas flowing along the wall plate is accelerated.
  • the air inlet is wide and the ventilation clearance becomes gradually smaller toward the upper side, whereby the pressure loss can be reduced.
  • the air supply chamber has an air supply opening which is formed on the bottom surface of the air supply chamber at a position rearward of the air inlet so that the primary air from the combustion fan flows into the air inlet, there will be generated a flow of the primary air along the ceiling portion of the air supply chamber toward the air inlet.
  • the primary air will flow into the air inlet while it has a forward-looking directional component.
  • the primary air flows partially toward that portion of the ventilation clearance which lies closer to the front end thereof. Consequently, the primary air will not collide with the wall plate successfully.
  • a guide plate is disposed vertically downward at a longitudinal position between the air inlet in a ceiling portion of the air supply chamber and the air supply opening such that the flow of the primary air directed to the air inlet along the ceiling portion of the air supply chamber is curved downward to a portion below the air inlet.
  • the primary air can be effectively prevented from flowing into the air inlet while it maintains a forward-looking directional component.
  • the primary air efficiently collides with the wall plate, so that the mixing of the fuel gas with the primary air can be accelerated.
  • the burner further comprises gutter-shaped baffle plates each being disposed in the ventilation clearance so as to be longitudinally elongated under the respective nozzle holes, and rising plate portions on respective lateral sides of each baffle plate are laterally inclined so that the upper-side distance of the rising plate portions becomes larger.
  • the primary air is obstructed by the baffle plates and does not collide with the fuel gas to be ejected from each of the nozzle holes. It is consequently possible to make the fuel gas surely collide with the wall plate without being influenced by the primary air even at the time of a weak burn at which the ejection of the fuel gas is made small in quantity. The mixing of the fuel gas and the primary air can thus be accelerated. Moreover, because the rising plate portions on respective lateral sides of each baffle plate are inclined so that the upper-side distance of the rising plate portions becomes larger, the primary air does not hit the fuel gas ejected from each of the nozzle holes even if the nozzle holes are somewhat deviated sidewise relative to the baffle plates. Accurate alignment of the nozzle holes and the baffle plates therefore becomes unnecessary.
  • baffle plates and the guide plate are disposed, preferably a plurality of the baffle plates are integrally press-formed into a single piece of plate member with a rear end portion thereof being bent downward to form the guide plate. According to this arrangement, the number of parts of the burner can be reduced, and a still further cost reduction thereof can be achieved.
  • FIGS. 1 and 2 show a totally aerated combustion burner 1 according to the invention.
  • the burner 1 has a burner main body 2 which is formed into a box shape, and a combustion plate 3 which is made of ceramics and which is provided with a multiplicity of flame holes 3a. By the way, the flame holes 3a are not illustrated in FIG. 1 .
  • the description is made in the following on condition that such a side of the burner as is equipped with the combustion plate 3 is defined as an upper surface, that the width direction of the burner 1 is defined as a lateral direction, and that the depth direction of the burner 1 is defined as a longitudinal direction.
  • the burner main body 2 On an outer peripheral part of the upper surface of the burner main body 2, there is disposed a flange portion 2a to which is connected a lower end of a combustion housing (not illustrated) in which are housed an object to be subjected to heating, such as a heat exchanger, and the like. Further, the burner main body 2 contains therein: a distribution chamber 4 which faces the lower surface of the combustion plate 3; and, on the lower side thereof, a mixing chamber 5 which is partitioned from the distribution chamber 4 by a floor wall 2b which is integral with the burner main body 2. Still furthermore, an air supply chamber 6 is disposed on the lower side of the mixing chamber 5. It is thus so arranged that the primary air is supplied to the air supply chamber 6 by a combustion fan 7.
  • a laterally elongated opening portion 41 which is communicated with the mixing chamber 5.
  • the distribution chamber 4 is partitioned into an upper and a lower, i.e., a total of two, spaces by a partition plate 42. It is thus so arranged that a premixed gas that has flown into the lower space of the distribution chamber 4 through the opening portion 41 is introduced into the combustion plate 3 through a multiplicity of distribution holes 42a, formed in the partition plate 42, and the upper space of the distribution chamber 4.
  • the premixed gas introduced into the combustion plate 3 is ejected from the flame holes 3a so as to perform totally aerated combustion.
  • the front surface 51 of the mixing chamber 5 is closed by a vertical wall 2c which is integral with the burner main body 2.
  • the front surface 51 is provided with a plurality of nozzle holes 52 which are made up of holes penetrating the vertical wall 2c in a manner parallel with, and at a lateral distance from, one another.
  • a gas manifold 8 through a partition plate 81 which defines a nozzle passage 52a communicating with the plurality of nozzle holes 52.
  • the partition plate 81 is provided with an opening (not illustrated) which communicates a gas passage 82 inside the gas manifold 8 and the nozzle passage 52a together.
  • the gas manifold 8 is provided with a solenoid valve 83 having a valve body 83a which opens and closes the above-mentioned opening. It is thus so arranged that, when the solenoid valve 83 is opened, the fuel gas is supplied to the nozzle passage 52a so that the fuel gas is ejected from each of the nozzle holes 52.
  • a wall plate 55 upright in a manner to lie opposite to the front surface 51 of the mixing chamber 5 while leaving (or maintaining) a ventilation clearance 54 between the front surface 51 and the wall plate 55 so that the fuel gas to be ejected from each of the nozzle holes 52 collides with the wall plate 55.
  • the wall plate 55 is inclined upward in a forward direction at a predetermined angle ⁇ . If this inclination angle ⁇ is set to be too large, the pressure loss at the ventilation clearance 54 increases. Accordingly, the inclination angle ⁇ shall preferably be set to a range of 5 degrees to 45 degrees. In this embodiment, the inclination angle ⁇ is set to about 20 degrees.
  • a laterally elongated air inlet 56 which introduces the primary air from the air supply chamber 6 into the mixing chamber 5.
  • the wall plate 55 and the air inlet 56 by bending a front portion of a plate member which is other than the burner main body 2 that constitutes the bottom surface 53 of the mixing chamber 5.
  • the ventilation clearance 54 is provided with a longitudinally elongated baffle plate 57 so as to be positioned under each of the nozzle holes 52.
  • Each of the baffle plates 57 is formed, as shown in FIG. 3 , into a gutter (or trough) shape having rising (or erected) plate portions 57a, 57a on respective lateral sides of each baffle plate 57.
  • the rising plate portions 57a, 57a on lateral sides are inclined in the lateral direction so that the lateral distance between the rising plate portions 57a, 57a becomes larger toward the upper side.
  • the rising plate portions 57a are not disposed in that rear portion of the baffle plates 57 which is closer to the wall plate 55.
  • the bottom surface 61 of the air supply chamber 6 is provided with an air supply opening 62 into which the primary air from the combustion fan 7 flows.
  • a guide plate 63 vertically downward so as to introduce the flow of the primary air which is directed to the air inlet 56 along the ceiling portion of the air supply chamber 6, by curving it (i.e., the flow of the primary air) downward to a position below the air inlet 56.
  • a single piece of plate member 9 is press-formed to thereby integrally form a plurality of baffle plates 57. The rear end portion of this plate member 9 is bent downward to thereby form the guide plate 63.
  • the primary air flows from the air inlet 56 through the ventilation clearance 54 between the front surface 51 of the mixing chamber 5 and the wall plate 55.
  • the fuel gas ejected from each of the nozzle holes 52 collides with the wall plate 55 and is diffused.
  • the diffused fuel gas gets mixed with the primary air that flows through the ventilation clearance 54 to thereby accelerate the mixing of the fuel gas and the primary air.
  • the fuel gas and the primary air get sufficiently mixed with each other while they flow from the ventilation clearance 54 to that portion of the mixing chamber 5 which lies rearward of the wall plate 55, whereby a homogeneous premixed gas sufficiently mixed together is generated.
  • the opening portion for introducing the primary air it is not necessary in this invention to form in the wall plate 55 the opening portion for introducing the primary air. Accordingly, even if the nozzle holes 52 are somewhat deviated sidewise relative to the wall plate 55, it is still possible to cause the fuel gas to collide with the wall plate 55 to thereby stably mix the fuel gas and the primary air together. Consequently, accurate positional alignment of the nozzle holes 52 with the wall plate 55 becomes unnecessary. As a result, the assembly of the burner becomes easy, and the cost reduction thereof can be achieved.
  • the wall plate 55 stands upright, there is a possibility that the primary air flowing through the ventilation clearance 54 is not sufficiently supplied to the neighborhood of the wall plate 55, and that part of the fuel gas which is collided with the wall plate 55 flows to the upper end of the wall plate without getting mixed with the primary air.
  • the wall plate 55 since the wall plate 55 is forwardly inclined in the upward direction, the primary air to be introduced from the air inlet 56 into the ventilation clearance 54 collides with the wall plate 55 from the lower part thereof to thereby accelerate the mixing of the primary air with the fuel gas flowing along the wall plate 55.
  • the air inlet 56 remains wider and the ventilation clearance 54 gradually gets narrower toward the upper end. Therefore, the pressure loss can be reduced and the rotational number of the combustion fan 7 can be made smaller. As a result, the noise of the fan can be reduced.
  • the primary air that has flown from the air supply opening 62 into the air supply chamber 6 along the ceiling portion of the air supply chamber 6 while maintaining the forward-looking directional component will flow partially to the forward-side portion of the ventilation clearance 54. As a result, the primary air will not collide with the wall plate 55. According to this embodiment, however, due to the guide plate 63 vertically and downwardly disposed on the ceiling portion of the air supply chamber 6, the flow of the primary air that is directed toward the air inlet 56 along the ceiling portion of the air supply chamber 6 will be guided downward. It is thus possible to effectively prevent the primary air from flowing into the air inlet 56 while maintaining the forward-looking directional component.
  • the primary air efficiently collides with the wall plate 55 and the mixing of the fuel gas and the primary air can be accelerated. Further, the fact that the rear portion of the baffle plates 57 is not provided with the rising plate portions 57a also contributes to the improvement in the efficiency of collision of the primary air with the wall plate 55.
  • the primary air is disturbed by the baffle plates 57, the primary air will not collide with the fuel gas ejected from each of the nozzle holes 52. Therefore, even at the time of weak burning at which the amount of ejection of the fuel gas is made small, the fuel gas can be caused to surely collide with the wall plate 55 without being influenced by the primary air, whereby the mixing of the fuel gas and the primary air can be accelerated. Further, since the distance between the upper ends of the rising plate portions 57a, 57a on both lateral sides of the baffle plates 57 is made larger, the primary air will not collide with the fuel gas ejected from the nozzle holes 52 even if the nozzle holes 52 may be slightly deviated sidewise relative to the baffle plates 57. Accordingly, accurate positional alignment between the nozzle holes 52 and the baffle plates 57 becomes unnecessary.
  • the plurality of baffle plates 57 and the guide plate 63 are integrally press-formed into a single piece of sheet plate member 9 in this embodiment, the number of parts can be reduced, and further cost reduction can be achieved.
  • the invention is not limited to the embodiment.
  • a gas manifold may be installed on the front surface 51 of the mixing chamber 5 so as to close the front surface 51.
  • a plurality of nozzle holes are formed in parallel with one another on the gas manifold.
  • the upper and the lower directions do not define the direction at the time of using the burner.
  • This invention includes not only a burner to be used in an overhead posture in which the combustion plate 3 is directed upward, but also a burner to be used in a downward posture in which the combustion plate 3 is directed downward, as well as in a lateral posture in which the combustion plate 3 is directed laterally.

Landscapes

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

Claims (4)

  1. Vollständig durchlüfteter Brenner (1), der mit einer Verbrennungsplatte (3) ausgestattet ist, in der eine Vielzahl von Flammenlöchern (3a) gebildet sind, um eine vollständig durchlüftete Verbrennung durch Ausstoßen eines vorgemischten Gases aus den Flammenlöchern auszuführen, wobei der Brenner, wenn solch eine Seite des Brenners, die mit der Verbrennungsplatte (3) ausgestattet ist, als eine obere Fläche definiert ist, eine Breitenrichtung des Brenners als eine Querrichtung definiert ist und eine Tiefenrichtung des Brenners als eine Längsrichtung definiert ist, umfasst:
    eine Verteilerkammer (4), die einer unteren Fläche der Verbrennungsplatte (3) zugewandt ist;
    eine Mischkammer (5) an einer Unterseite der Verteilerkammer (4);
    eine Luftzufuhr (6) an einer Unterseite der Mischkammer (5), um dadurch Primärluft von einem Brennergebläse (7) zuzuführen,
    wobei die Mischkammer (5) eine Vorderfläche (51) mit mehreren Düsenbohrungen (52) aufweist, die parallel zueinander und in einem Seitenabstand voneinander angeordnet sind, sodass ein Brenngas, das aus den Düsenbohrungen (52) auszustoßen ist, und die Primärluft von der Luftzufuhrkammer (6) in der Mischkammer (5) gemischt werden, um dadurch das vorgemischte Gas zur Einführung dessen in die Verbrennungsplatte (3) durch die Verteilerkammer (4) zu erzeugen;
    eine Wandplatte (55), die auf einer unteren Fläche der Mischkammer auf eine Weise aufrecht angeordnet ist, dass sie sich gegenüber der Vorderfläche der Mischkammer befindet, während ein Belüftungsspielraum (54) zur Vorderfläche (51) verbleibt, sodass das Brenngas, das von jeder der Düsenbohrungen (52) ausgestoßen wird, mit der Wandplatte (55) kollidiert;
    einen Lufteinlass (56), der in solch einem Abschnitt an der unteren Fläche (53) der Mischkammer gebildet ist, dass er dem Belüftungsspielraum (54) zugewandt ist, wobei der Lufteinlass (56) dazu dient, die Primärluft von der Luftzufuhrkammer (6) in die Mischkammer (5) einzuführen; und
    gekennzeichnet durch rinnenförmige Prallbleche (57), von denen jedes im Belüftungsspielraum (54) angeordnet ist, sodass es in Längsrichtung unter den entsprechenden Düsenbohrungen (52) verlängert ist, wobei ansteigende Plattenabschnitte (57a) an entsprechenden lateralen Seiten jedes Prallblechs (57) seitlich geneigt sind, sodass der Oberseitenabstand der ansteigenden Plattenabschnitte (57a) größer wird.
  2. Vollständig durchlüfteter Brenner nach Anspruch 1, wobei die Wandplatte (55) in einer Aufwärtsrichtung nach vorne geneigt ist.
  3. Vollständig durchlüfteter Brenner nach Anspruch 2, wobei die Luftzufuhrkammer (6) eine Luftzufuhröffnung (62) aufweist, die an der unteren Fläche (61) der Luftzufuhrkammer (6) an einer Position hinter dem Lufteinlass (56) gebildet ist, sodass die Primärluft vom Brennergebläse (7) in den Lufteinlass (56) strömt,
    wobei der Brenner weiter eine Führungsplatte (63) umfasst, die an einer Längsposition zwischen dem Lufteinlass (56) in einem Deckenabschnitt der Luftzufuhrkammer (6) und der Luftzufuhröffnung (62) derart vertikal nach unten angeordnet ist, dass der Strom der Primärluft, die entlang dem Deckenabschnitt der Luftzufuhrkammer zum Lufteinlass (56) gelenkt wird, nach unten zu einem Abschnitt unter dem Lufteinlass (56) eine Biegung macht.
  4. Vollständig durchlüfteter Brenner nach Anspruch 3, wobei die mehreren Prallbleche (57) durch Pressformen eines einzelnen Teils eines Plattenelements einstückig gebildet sind, und wobei die Führungsplatte (63) durch Biegen eines Abschnitts des Hinterendes des Plattenelements nach unten gebildet ist.
EP11185667.0A 2011-10-18 2011-10-18 Vollständig belüfteter Brenner Not-in-force EP2584260B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11185667.0A EP2584260B1 (de) 2011-10-18 2011-10-18 Vollständig belüfteter Brenner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11185667.0A EP2584260B1 (de) 2011-10-18 2011-10-18 Vollständig belüfteter Brenner

Publications (2)

Publication Number Publication Date
EP2584260A1 EP2584260A1 (de) 2013-04-24
EP2584260B1 true EP2584260B1 (de) 2017-03-08

Family

ID=44799889

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11185667.0A Not-in-force EP2584260B1 (de) 2011-10-18 2011-10-18 Vollständig belüfteter Brenner

Country Status (1)

Country Link
EP (1) EP2584260B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6755816B2 (ja) * 2017-02-14 2020-09-16 伸和コントロールズ株式会社 空気調和装置
PT110115B (pt) 2017-05-31 2024-09-11 Bosch Termotecnologia Sa Dispositivo de mistura.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62206318A (ja) * 1986-03-05 1987-09-10 Matsushita Electric Ind Co Ltd ガスバ−ナ
GB2260806A (en) * 1991-10-22 1993-04-28 Peter Bellis Gas burner with associated distributor
JP3053696B2 (ja) * 1992-06-10 2000-06-19 パロマ工業株式会社 燃焼装置
US5423675A (en) * 1993-11-08 1995-06-13 Kratsch; Kenneth Burner mixing chamber
GB2284883B (en) * 1993-12-06 1997-10-22 John Poole Atmospheric gas burner
JP3429460B2 (ja) 1999-09-20 2003-07-22 リンナイ株式会社 混合部ユニット
KR100883796B1 (ko) * 2008-01-16 2009-02-19 주식회사 경동나비엔 린-리치 연소방식을 이용한 분젠버너

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2584260A1 (de) 2013-04-24

Similar Documents

Publication Publication Date Title
US8827693B2 (en) Totally aerated combustion burner
US9970679B2 (en) Burner assembly for a heating furnace
EP3012526A1 (de) Verbrennungsplatte
EP3477199B1 (de) Verbrennungsvorrichtung
CN101611263A (zh) 燃气锅炉的燃烧器
EP1930656A2 (de) Primärbrenner
CN105737150A (zh) 燃烧装置
EP2584260B1 (de) Vollständig belüfteter Brenner
JP2016011825A (ja) 燃焼装置
US20150369478A1 (en) Flat burner
EP2116773A1 (de) Ofen
AU2011236078B2 (en) Totally aerated combustion burner
CN115013810B (zh) 燃烧装置
CN108980828B (zh) 燃烧装置
TWI640724B (zh) 後通氣口及具備其之燃燒裝置
EP2458277A2 (de) Mager-fett-brenner
US6598599B2 (en) Hot air space heater
JP5368386B2 (ja) 全一次燃焼式バーナ
CN113137749A (zh) 燃烧器及燃气热水器
CN113503539A (zh) 一种一体式浓淡燃烧系统
JP6049094B2 (ja) 偏平バーナ
CN222143058U (zh) 火排及燃烧器
TWI894398B (zh) 燃燒裝置
US11988383B2 (en) Combustion apparatus
CN219222402U (zh) 一种引射组件、引射系统及应用有该引射系统的燃气灶具

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

17P Request for examination filed

Effective date: 20131021

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

RIC1 Information provided on ipc code assigned before grant

Ipc: F23D 14/70 20060101ALI20160919BHEP

Ipc: F23D 14/64 20060101ALI20160919BHEP

Ipc: F23D 14/04 20060101AFI20160919BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20161125

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

Ref country code: AT

Ref legal event code: REF

Ref document number: 873865

Country of ref document: AT

Kind code of ref document: T

Effective date: 20170315

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602011035655

Country of ref document: DE

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20170308

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170608

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170609

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170308

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170308

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170308

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 873865

Country of ref document: AT

Kind code of ref document: T

Effective date: 20170308

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170608

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170308

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170308

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170308

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170308

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170308

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170308

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170308

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170308

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170308

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170308

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170710

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170308

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170308

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170708

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602011035655

Country of ref document: DE

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170308

26N No opposition filed

Effective date: 20171211

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170308

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 602011035655

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170308

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20180629

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180501

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20171031

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20171031

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20171018

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20171031

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20171031

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20171031

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20171018

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20171018

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20111018

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170308

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170308

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170308

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170308

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20221026

Year of fee payment: 12

Ref country code: GB

Payment date: 20221020

Year of fee payment: 12

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20231018

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20231018

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20231018

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20231018

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20231018