EP3336427B1 - Gasbrenner - Google Patents

Gasbrenner Download PDF

Info

Publication number
EP3336427B1
EP3336427B1 EP16382614.2A EP16382614A EP3336427B1 EP 3336427 B1 EP3336427 B1 EP 3336427B1 EP 16382614 A EP16382614 A EP 16382614A EP 3336427 B1 EP3336427 B1 EP 3336427B1
Authority
EP
European Patent Office
Prior art keywords
gas
air
main
distribution means
communicated
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.)
Active
Application number
EP16382614.2A
Other languages
English (en)
French (fr)
Other versions
EP3336427A1 (de
Inventor
Ricardo Marin Marin
Luis Diaz Lecumberri
Iker URRESTI UGARTEBURU
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.)
Ikerlan S Coop
Original Assignee
Ikerlan S Coop
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 Ikerlan S Coop filed Critical Ikerlan S Coop
Priority to ES16382614T priority Critical patent/ES2747398T3/es
Priority to EP16382614.2A priority patent/EP3336427B1/de
Publication of EP3336427A1 publication Critical patent/EP3336427A1/de
Application granted granted Critical
Publication of EP3336427B1 publication Critical patent/EP3336427B1/de
Active 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
    • F23D14/20—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
    • F23C2900/9901—Combustion process using hydrogen, hydrogen peroxide water or brown gas as fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2203/00—Gaseous fuel burners
    • F23D2203/10—Flame diffusing means
    • F23D2203/105—Porous plates
    • 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
    • F23D2900/00012—Liquid or gas fuel burners with flames spread over a flat surface, either premix or non-premix type, e.g. "Flächenbrenner"
    • 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
    • F23D2900/14641—Special features of gas burners with gas distribution manifolds or bars provided with a plurality of nozzles

Definitions

  • the present invention relates to gas burners, and more specifically to burners for gas boilers.
  • a burner is a device for burning gas, liquid and solid fuel (for example, pellets) such that heat is generated by means of flame.
  • a burner is usually associated with a boiler or a generator for heating water.
  • burners in which said gas, usually mixed with air, burns when a spark is generated. Burners of this type in which gas and air are mixed before ignition occurs are called premix burners. However, burners called diffusion burners in which combustible gas and oxygen are not mixed beforehand, but rather mixed where ignition occurs are also known.
  • patent document JP2006056743A discloses a gas burner comprising a structure in which gas distribution means direct a combustible gas, such as hydrogen, to a mixing area, and oxygen distribution means direct oxygen to the mixing area.
  • the gas distribution means comprise an open chamber arranged inside said structure and the oxygen distribution means comprise a plurality of conduits arranged inside said open chamber such that the combustible gas flows between the oxygen conduits.
  • the gas distribution means are communicated with a combustible gas inlet conduit and the oxygen distribution means with an oxygen inlet conduit.
  • DE4317797C1 discloses a gas burner wherein a fuel gas and a gas comprising oxygen are guided independently through concentric conduits.
  • the gas burner comprises a chamber for the fuel gas and another chamber for the gas with oxygen.
  • DE4339012A1 discloses a gas burner comprising an air distribution means communicated with an air inlet conduit and gas distribution means communicated with a gas inlet conduit.
  • the gas distribution means comprise main conduits communicated with the gas inlet conduit and which transport the combustible gas to a mixing area.
  • the air distribution means comprises an air chamber communicated with the air inlet conduit, part of each main conduit being allocated in said chamber.
  • the air distribution means also comprise a distribution plate comprising a plurality of passage openings for directing the air towards the outlets of each main conduit and a centering plate arranged below said distribution plate, so that a gap is provided between said centering plate and the distribution plate. The air from the air chamber passes into said gap and is directed to the surface through the passage openings.
  • DE10052614A1 also discloses a gas burner comprising an air distribution means communicated with an air inlet conduit and gas distribution means communicated with a gas inlet conduit.
  • the gas distribution means comprise main conduits communicated with the gas inlet conduit and which transport the combustible gas to a mixing area.
  • the air distribution means comprises an air chamber communicated with the air inlet conduit, part of each main conduit being allocated in said chamber.
  • the air distribution means also comprise a distribution plate comprising a plurality of passage openings for directing the air towards the outlets of each main conduit.
  • the gas distribution means also comprise a main chamber which is divided into two auxiliary chambers by a separation wall, the first auxiliary chamber being communicated with the gas inlet conduit and the second auxiliary chamber being communicated with each main conduit. Both auxiliary chambers are communicated through holes disposed in the separation wall.
  • the object of the invention is to provide a gas burner, as defined in the claims.
  • the gas burner according to the invention comprises a structure comprising gas distribution means which are configured for directing combustible gas to a mixing area, and air distribution means configured for directing air to said mixing area.
  • the gas distribution means are communicated with a combustible gas inlet conduit and the air distribution means are communicated with an air inlet conduit.
  • the gas distribution means comprise a plurality of main conduits communicated with the gas inlet conduit and configured for transporting combustible gas to the mixing area providing a mixing point at the outlet of each main conduit.
  • the air distribution means comprise an air chamber communicated with the air inlet conduit in which at least part of each main conduit is housed.
  • the air distribution means also comprise a distribution plate arranged in the mixing area comprising a plurality of passage openings, each passage opening being configured for directing air to at least one mixing point.
  • the gas distribution means comprise a main chamber, which is communicated with the gas inlet conduit and with each main conduit, and a constricted area disposed between the main chamber and each main conduit.
  • Each main conduit is communicated with the main chamber through a respective constricted area.
  • the gas burner of the invention allows efficiently directing the required air to the combustible gas so that it burns quickly and effectively when the ignition means, for example, a spark generator, are activated.
  • the ignition means for example, a spark generator
  • Focusing the passage of air through the passage openings of the distribution plate assures, on one hand, that the amount of air required for combustible gas ignition to occur reaches each mixing point, and on the other hand, that the same amount of air reaches all the mixing points, leading to the flames that burn at the outlet of the main conduits being similar, so a homogenous distribution of flames throughout the burner is achieved.
  • FIG. 1 shows an embodiment of a gas burner 1 according to the invention.
  • Said burner 1 comprises a structure 1A comprising gas distribution means which are configured for directing combustible gas to a mixing area 7, and air distribution means configured for directing air to said mixing area 7.
  • the gas distribution means are communicated with a combustible gas inlet conduit 2 and the air distribution means are communicated with an air inlet conduit 3.
  • the gas distribution means comprise a plurality of main conduits 4b, as shown in Figures 2 to 5 , configured for transporting combustible gas to the mixing area 7 providing a mixing point at the outlet of each main conduit 4b.
  • the air distribution means comprise an air chamber 5 which is communicated with the air inlet conduit 3, said main conduits 4b being at least partially housed in said air chamber 5.
  • the air distribution means also comprise a distribution plate 5' arranged in the mixing area 7 comprising a plurality of passage openings 5a, each passage opening 5a being configured for directing air to at least one mixing point.
  • the required air is efficiently directed to the combustible gas so that it burns quickly and effectively when ignition means, not shown in the drawings, for example a spark generator, are activated.
  • Focusing the passage of air through the passage openings 5a of the distribution plate 5' assures, on one hand, that the amount of air required for combustible gas ignition to occur reaches each mixing point, and on the other hand, that the same amount of air reaches all the mixing points equally, leading to the flames that burn at the outlet of the main conduits 4b being similar, so a homogenous distribution of flames throughout the burner 1 is achieved.
  • the air inlet conduit 3, the gas inlet conduit 2 and the air and gas distribution means are independent from one another, i.e., the combustible gas and air are transported to the mixing area 7 in an independent manner and further in a fragmented manner through the different main conduits 4b and the different passage openings 5a of the distribution plate 5'.
  • each main conduit 4b a mixing point is generated since it is there where the combustible gas and the oxygen contained in the air transported by the air distribution means will mix, the oxygen being necessary for combustion to occur, i.e., to generate the flame, when the ignition means are activated.
  • the mixing points generated at the outlet of all the main conduits 4b define the mixing area 7 of the burner 1, successfully improving the quality of the air-gas mixture in the burner 1 of the invention since this leads to the air-gas mixture in said mixing area 7 being homogenous, which will give rise to the formation of homogenous flames throughout the burner 1.
  • the combustible gas used in the preferred embodiment of the invention is hydrogen, although it is also possible to use natural gas, liquefied petroleum gas, such as propane or butane, as well as hydrogenated mixtures of natural gas and/or biogas which can comprise up to 25% or even up to 50% of hydrogen.
  • each main conduit 4b is configured in the form of a tube and each passage opening 5a of the distribution plate 5' is a circular hole arranged coaxially with a respective main conduit 4b, as seen in Figure 4 , the diameter of said passage opening 5a logically being larger than the corresponding main conduit 4b to allow the passage of air through the distribution plate 5' and the respective main gas conduit 4b.
  • the diameter of the passage opening 5a is twice the diameter of the corresponding main conduit 4b.
  • the air passage openings 5a are at the same height as the outlets of the main gas conduits 4b, as seen in Figures 3, 4 or 5 , i.e., the outer surface of the distribution plate 5' is arranged at the same height as the outlets of the main conduits 4b.
  • the air passage openings 5a are arranged above the main gas conduits 4b.
  • the air passage openings 5a are arranged below the main gas conduits 4b.
  • the distribution plate 5' of the preferred embodiment of the invention comprises a reduced thickness in comparison with the height of the structure 1A of the burner 1, as seen in Figure 4 , said thickness being the smallest possible thickness so that said plate 5' can withstand the high temperatures to which it will be subjected when the burner 1 is in use without deforming excessively.
  • the material of the distribution plate 5' according to the preferred embodiment of the invention is steel, preferably steel that is resistant to high temperatures. above 900°C for example.
  • the passage openings 5a have the same section along the entire width of the distribution plate 5', as seen in the detail of Figure 4 , i.e., the wall of the passage openings 5a is a straight wall.
  • the section of the passage openings 5a increases along the width of the distribution plate 5' in the air exit direction.
  • the section of the passage openings 5a decreases along the width of the distribution plate 5' in the air exit direction.
  • variants like the variants described above, are also intended for favoring, according to need and to the properties of the combustible gas used, the mixing of combustible gas with air to assure the correct ignition. Likewise, it would also be possible to combine all these variants with one another, or with the preferred embodiment, for optimizing the correct mixing of combustible gas and air.
  • the gas distribution means comprise a main chamber 4 which is communicated with the gas inlet conduit 2 as well as with each main conduit 4b, as seen in Figures 2 or 3 .
  • Said main chamber 4 is independent of the air chamber 5, i.e., both chambers 4 and 5 are not communicated with one another.
  • the main chamber 4 as well as the gas inlet conduit 2 are arranged in the lower part of the burner 1, the air chamber 5 being arranged above the main chamber 4 and the air conduit 3 being arranged above the gas conduit 2. Both chambers 4 and 5 are separated by a separation plate 8, as shown in Figures 3, 4 or 5 .
  • the gas distribution means of the gas burner 1 of the invention comprise a constricted area 4a between the main chamber 4 and each main conduit 4b.
  • there is one constricted area 4a for each main conduit 4b such that each main conduit 4b is communicated with the main chamber 4 through a respective constricted area 4a, as seen in Figure 3 .
  • Said constricted areas 4a allow regulating combustible gas head loss so that all the main conduits 4b conduct the same amount of combustible gas.
  • constricted areas 4a are arranged in the lower part of the separation plate 8, one of the ends of each constricted area 4a being in contact with the main chamber 4.
  • the corresponding main conduits 4b are arranged in contact with the other end of each constricted area 4a, said main conduits 4b being housed in a corresponding housing comprised in the separation plate 8. Each housing is arranged after a corresponding constricted area 4a.
  • the cross-section of the main conduits 4b is larger than the section of the constricted areas 4a, as shown in Figures 3, 4 or 5 .
  • the speed of the combustible gas directed to the corresponding mixing point in all the main conduits 4b is therefore slowed down.
  • the sections and lengths of all the constricted areas 4a are the same, as well as of all the main conduits 4b. This thereby assures that the same amount of gas reaches all the mixing points and with the same intensity, therefore, the flame generated in all the mixing points will be similar, which favors a homogenous distribution of the flames in the mixing area 7, giving rise to uniform heat distribution in said mixing area 7.
  • the main chamber 4 comprises a cross-section which gradually decreases as it moves away from the gas inlet conduit 2, as shown in Figure 3 , resembling a triangular cross-section.
  • the speed of the combustible gas in all the constricted areas 4a can thereby be kept equal.
  • the main conduits 4b of the distribution means are parallel to one another, said main conduits 4b in the preferred embodiment of the invention being arranged in a staggered manner, as shown in Figures 2 or 4 .
  • the gas burner 1 comprises a ceramic structure 6, preferably of silicon carbide fibers, arranged on the mixing area 7, said ceramic structure 6 being fixed preferably on the distribution plate 5'.
  • said ceramic structure 6 has been depicted in a transparent manner to favor understanding of the drawings.
  • the ceramic structure 6 is a porous structure and the flames generated at each mixing point can be partially contained inside said ceramic structure 6, flame peaks that may give rise to a poor operation of the gas boiler 1 being prevented.
  • the ceramic structure 6 As a result of the ceramic structure 6, combustible gas and air blend together so that the air-gas mixture also expands horizontally, i.e., according to a direction substantially perpendicular to the gas exit direction of the corresponding main conduit 4b, such that a homogeneous distribution of the air-gas mixture is obtained not only in the gas exit direction of the main conduits 4b, but also in a direction perpendicular to it. Therefore, the distribution of flames obtained in the mixing area 7 will be a uniform and homogenous distribution throughout the entire burner 1, flame peaks and valleys being prevented.
  • the length of the gas burner 1 is in a range between 100 mm and 200 mm, the width is in a range between 80 mm and 120 mm and the height is in a range between 25 mm and 40 mm.
  • the gas burner 1 of the invention is suitable to be used in a gas boiler, preferably in a domestic boiler as a result of its small dimensions, giving rise to a safe and reliable boiler where it is assured that heat distribution throughout the entire burner 1 is homogenous, while at the same time preventing flame flashback.

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. Gasbrenner für einen Gaskessel, umfassend eine Trägerstruktur (1A), wobei die genannte Trägerstruktur (1A) umfasst: Gasverteilungsmittel, die zur Leitung von brennbarem Gas in einen Mischbereich (7) ausgebildet sind, wobei die genannten Verteilungsmittel mit einer Gaseintrittsleitung (2) verbunden sind, und Luftverteilungsmittel, die zur Leitung von Luft in den Mischbereich (7) ausgebildet sind, wobei die genannten Gasverteilungsmittel mit einer Lufteintrittsleitung (3) verbunden sind, wobei die Gasverteilungsmittel eine Vielzahl von mit der Gaseintrittsleitung (2) verbundenen Hauptleitungen (4b) umfassen, die zur Förderung von brennbarem Gas in den Mischbereich (7) ausgebildet sind und einen Mischpunkt am Ausgang jeder Hauptleitung (4b) aufweisen, wobei die Luftverteilungsmittel eine mit der Lufteintrittsleitung (3) verbundene Luftkammer (5) umfassen, wobei mindestens ein Teil jeder Hauptleitung (4b) in der genannten Luftkammer (5) untergebracht ist, wobei die genannten Luftverteilungsmittel auch eine Verteilungsplatte (5') umfassen, die in dem Mischbereich (7) angeordnet ist und eine Vielzahl von Durchgangsöffnungen (5a) umfasst, wobei jede Durchgangsöffnung (5a) zum Leiten von Luft zu mindestens einem Mischpunkt ausgebildet ist, wobei die Gasverteilungsmittel eine Hauptkammer (4) umfassen, die mit der Gaseintrittsleitung (2) und mit jeder Hauptleitung (4b) verbunden ist, dadurch gekennzeichnet, dass die Gasverteilungsmittel auch einen verengten Bereich (4a) zwischen der Hauptkammer (4) und jeder Hauptleitung (4b) umfassen, wobei jede Hauptleitung (4b) durch einen jeweiligen verengten Bereich (4a) mit der Hauptkammer (4) verbunden ist.
  2. Gasbrenner nach Anspruch 1, wobei die Hauptleitungen (4b) der Verteilungsmittel parallel zueinander liegen.
  3. Gasbrenner nach Anspruch 1, wobei die Hauptleitungen (4b) der Gasverteilungsmittel versetzt angeordnet sind.
  4. Gaskessel, dadurch gekennzeichnet, dass er mindestens einen Gasbrenner (1) nach einem der vorstehenden Ansprüche umfasst.
EP16382614.2A 2016-12-16 2016-12-16 Gasbrenner Active EP3336427B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES16382614T ES2747398T3 (es) 2016-12-16 2016-12-16 Quemador de gas
EP16382614.2A EP3336427B1 (de) 2016-12-16 2016-12-16 Gasbrenner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16382614.2A EP3336427B1 (de) 2016-12-16 2016-12-16 Gasbrenner

Publications (2)

Publication Number Publication Date
EP3336427A1 EP3336427A1 (de) 2018-06-20
EP3336427B1 true EP3336427B1 (de) 2019-07-03

Family

ID=57906402

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16382614.2A Active EP3336427B1 (de) 2016-12-16 2016-12-16 Gasbrenner

Country Status (2)

Country Link
EP (1) EP3336427B1 (de)
ES (1) ES2747398T3 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2024101B1 (en) * 2019-10-25 2021-07-19 Bekaert Combustion Tech Bv Surface stabilized fully premixed gas premix burner for burning hydrogen gas, and method for starting such burner
DE102020133955A1 (de) * 2020-12-17 2022-06-23 Vaillant Gmbh Verfahren und Vorrichtung zum Schutz eines Heizgerätes beim Zünden eines Gemisches aus Luft und wasserstoffhaltigem Brenngas
EP4253837A1 (de) 2022-03-28 2023-10-04 Orkli, S. Coop. Gasbrenner

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1249366A (en) * 1916-12-23 1917-12-11 Arthur B Lewis Gas-burning grate.
FR639438A (fr) * 1927-01-24 1928-06-21 Brûleur à gaz
DE4317797C1 (de) * 1993-05-28 1994-12-15 Jenaer Glaswerk Gmbh Außenmischender Brenner
DE4339012A1 (de) * 1993-11-10 1995-06-08 Witeg Mbh Außenmischender Flächenbrenner für gasförmige Brennstoffe
ATE198658T1 (de) * 1994-10-06 2001-01-15 Viessmann Werke Kg Gasheizkessel
US5601073A (en) * 1995-01-06 1997-02-11 Shimek; Ronald J. Flat pan gas burner for gas fireplaces
DE10052614B4 (de) * 2000-10-13 2006-01-26 Alfons Krapf Außenmischender Gasbrenner
JP2006056743A (ja) 2004-08-19 2006-03-02 Sumitomo Electric Ind Ltd ガラス母材の加熱方法
ES2546645T3 (es) * 2005-01-12 2015-09-25 Babcock & Wilcox Power Generation Group, Inc. Medios de matriz para reducir el volumen de combustión
AU2014324120A1 (en) * 2013-09-23 2016-03-03 Clearsign Combustion Corporation Porous flame holder for low NOx combustion

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
EP3336427A1 (de) 2018-06-20
ES2747398T3 (es) 2020-03-10

Similar Documents

Publication Publication Date Title
US10760784B2 (en) Burner including a perforated flame holder spaced away from a fuel nozzle
EP3336427B1 (de) Gasbrenner
JP7244526B2 (ja) バーナおよびその使用方法
US9593848B2 (en) Non-symmetrical low NOx burner apparatus and method
EA001292B1 (ru) Горелка
US11499717B2 (en) Combustion chamber
US3247884A (en) Burner means for furnaces
EA030991B1 (ru) Блок горелки и способ сжигания газового или жидкого топлива
RU2768639C2 (ru) Радиационная стеновая горелка
US3391982A (en) Gas burner
RU2432530C1 (ru) Горелка для сжигания газообразного и/или жидкого топлива с пониженным выбросом окислов азота
CN203703970U (zh) 一种红外线加热装置
US3481680A (en) Direct fired burner
RU2529436C1 (ru) Воздухонагреватель с верхним обогревом
KR101185906B1 (ko) 가열로 점화용 파일럿 버너 및 그 조립체
RU2216689C1 (ru) Горелочное устройство
US9726372B2 (en) Burner nozzle, burner and a surface treatment device
RU98537U1 (ru) Горелка для сжигания газообразного и/или жидкого топлива с пониженным выбросом окислов азота
EP4253838A1 (de) Gasbrenner mit niedriger nox-emission
RU2293917C1 (ru) Инжекторная газовая горелка и котел с инжекторными газовыми горелками
RU2633442C1 (ru) Способ группового розжига сводовых горелок тепловых агрегатов
WO2020261286A1 (en) A domestic cooking burner for piped natural gas
RU2618137C1 (ru) Инжекционная горелка низкого давления
WO2022249047A1 (en) Burner, apparatus and method for the firing of ceramic articles
RU2234031C2 (ru) Газовая многофакельная горелка

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

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

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

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

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

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20181220

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

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

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

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20190426

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

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

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

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: 1151470

Country of ref document: AT

Kind code of ref document: T

Effective date: 20190715

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: 602016016247

Country of ref document: DE

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: DENNEMEYER AG, CH

REG Reference to a national code

Ref country code: NL

Ref legal event code: FP

REG Reference to a national code

Ref country code: NO

Ref legal event code: T2

Effective date: 20190703

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1151470

Country of ref document: AT

Kind code of ref document: T

Effective date: 20190703

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

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: 20190703

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: 20190703

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: 20190703

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: 20190703

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: 20190703

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: 20190703

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: 20191003

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: 20191104

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

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: 20191103

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: 20190703

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: 20190703

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: 20190703

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: 20191004

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2747398

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20200310

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: 20190703

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

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: 20190703

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: 20190703

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: 20190703

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: 20190703

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

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: 20190703

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: 20200224

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: 20190703

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602016016247

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

PG2D Information on lapse in contracting state deleted

Ref country code: IS

26N No opposition filed

Effective date: 20200603

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: 20190703

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: 20190703

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

Ref country code: LU

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

Effective date: 20191216

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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190703

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: 20161216

Ref country code: MT

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: 20190703

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: 20190703

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230530

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

Ref country code: GB

Payment date: 20231227

Year of fee payment: 8

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

Ref country code: NO

Payment date: 20231227

Year of fee payment: 8

Ref country code: NL

Payment date: 20231226

Year of fee payment: 8

Ref country code: IT

Payment date: 20231220

Year of fee payment: 8

Ref country code: IE

Payment date: 20231227

Year of fee payment: 8

Ref country code: FR

Payment date: 20231227

Year of fee payment: 8

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

Ref country code: BE

Payment date: 20231227

Year of fee payment: 8

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

Ref country code: ES

Payment date: 20240105

Year of fee payment: 8

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

Ref country code: DE

Payment date: 20231229

Year of fee payment: 8

Ref country code: CH

Payment date: 20240102

Year of fee payment: 8