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1. WO2020201990 - GAS BURNER

Publication Number WO/2020/201990
Publication Date 08.10.2020
International Application No. PCT/IB2020/053016
International Filing Date 30.03.2020
IPC
F24C 3/08 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
COTHER DOMESTIC STOVES OR RANGES; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
3Stoves or ranges for gaseous fuels
08Arrangement or mounting of burners
F23D 14/06 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23COMBUSTION APPARATUS; COMBUSTION PROCESSES
DBURNERS
14Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
02Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
04induction type, e.g. Bunsen burner
06with radial outlets at the burner head
CPC
F23D 14/065
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23COMBUSTION APPARATUS; COMBUSTION PROCESSES
DBURNERS
14Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
02Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
04induction type, e.g. Bunsen burner
06with radial outlets at the burner head
065with injector axis inclined to the burner head axis
F23D 2900/14063
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23COMBUSTION APPARATUS; COMBUSTION PROCESSES
DBURNERS
2900Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
14Special features of gas burners
14063for cooking ranges having one flame ring fed by multiple venturis
F23N 2225/16
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23COMBUSTION APPARATUS; COMBUSTION PROCESSES
NREGULATING OR CONTROLLING COMBUSTION
2225Measuring
08temperature
16burner temperature
F24C 3/085
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
COTHER DOMESTIC STOVES OR RANGES; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
3Stoves and ranges for gaseous fuels
08Arrangement or mounting of burners
085on ranges
Applicants
  • SABAF S.P.A. [IT]/[IT]
Inventors
  • DORA, Massimo
Agents
  • MARIETTI, Andrea
  • ERCOLANI, Simone Pietro
Priority Data
10201900000486701.04.2019IT
Publication Language English (EN)
Filing Language Italian (IT)
Designated States
Title
(EN) GAS BURNER
(FR) BRÛLEUR À GAZ
Abstract
(EN)
Gas burner (1) for cooktops, of the type comprising at least one outer annular flame spreader (6a), having a respective annular distribution chamber (5) of the mixture, at least one first fluidic inlet (2a) for the fuel gas, at least one first axial venturi mixer (3a), configured to receive as an input said gas from said first fluidic inlet (2a) and primary air from a first atmospheric air inlet (4a), said at least one annular distribution chamber (5) being fluidically connected to said first venturi mixer (3a) through a partition chamber (70) of the fuel mixture leaving said first venturi mixer (3a), said partition chamber (70) being fluidically connected to at least two fluidic passages (71, 72) connecting said first venturi mixer (3a) to two regions of said annular distribution chamber (5) of the outer annular flame spreader (6) which are oppositely arranged with respect to said first venturi mixer (3a), and at least one ignition device (10) to light said mixture that leaves said outer annular flame spreader (6a), and wherein, considering a plan view of the burner (1) in use condition, said outer annular flame spreader (6a) defines a geometric figure (F) having a centroid (G), and wherein an axis (A) orthogonal to said plan view and passing through said centroid (G) is outside the first venturi mixer (3a).
(FR)
L'invention concerne un brûleur à gaz (1) destiné à des plaques de cuisson, le brûleur étant du type comprenant au moins un diffuseur de flamme annulaire externe (6a) comportant une chambre de distribution annulaire respective (5) du mélange ; au moins une première entrée de fluide (2a) destiné au gaz combustible ; au moins un premier mélangeur venturi axial (3a) conçu afin de recevoir, en tant qu'entrée, ledit gaz à partir de ladite première entrée de fluide (2a), et de l'air primaire à partir d'une première entrée d'air atmosphérique (4a), la ou les chambres de distribution annulaires (5) étant en communication fluidique avec ledit premier mélangeur venturi (3a) à travers une chambre de séparation (70) du mélange combustible sortant dudit premier mélangeur venturi (3a), ladite chambre de séparation (70) étant en communication fluidique avec au moins deux passages de fluide (71, 72) reliant ledit premier mélangeur venturi (3a) à deux régions de ladite chambre de distribution annulaire (5) du diffuseur de flamme annulaire externe (6) disposées à l'opposée par rapport audit premier mélangeur venturi (3a) ; et au moins un dispositif d'allumage (10) destiné à allumer ledit mélange sortant dudit diffuseur de flamme annulaire externe (6a). Selon une vue en plan du brûleur (1) en état d'utilisation, ledit diffuseur de flamme annulaire externe (6a) définit une figure géométrique (F) comportant un centroïde (G), et un axe (A), orthogonal à ladite vue en plan et traversant ledit centroïde (G), se trouve à l'extérieur du premier mélangeur venturi (3a).
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