F - Mech Eng,Light,Heat,Weapons – 23 – D
Patent
F - Mech Eng,Light,Heat,Weapons
23
D
F23D 14/84 (2006.01) F23C 5/08 (2006.01) F24C 3/00 (2006.01)
Patent
CA 2174198
A gas burner for gas fireplaces has a housing defining a shallow chamber with an extended top and surface which covers most of the grate area of a gas fireplace and supports non-combustible logs and embers. The chamber has an opening receiving gas or a mixture of gas and primary air, which is discharged through areas of perforations formed in a top wall of the chamber, these areas including both relatively broader and relatively narrower and elongated areas irregularly distributed and oriented over the top wall to provide flames between the logs and to render the embers incandescent, with the areas connected or adjacent to promote the spread of flame between them during ignition. The top wall may be formed by laminating two metal sheets, one perforated and the other formed with slots and holes defining the perforated areas.
Un brûleur à gaz pour foyer de cheminée au gaz a un logement définissant une chambre peu profonde avec un dessus étendu dont la surface couvre la plus grande partie de la surface de grille d'un foyer au gaz et supporte des bûches et des braises non combustibles. La chambre a un orifice recevant le gaz ou un mélange de gaz et d'air primaire qui est distribué à des zones de perforations pratiquées dans la paroi supérieure de la chambre, ces zones comprenant des zones relativement larges et des zones relativement étroites et allongées distribuées et orientées de façon irrégulière sur la paroi supérieure pour fournir des flammes entre les bûches et rendre les braises incandescentes, les zones étant reliées ou adjacentes pour favoriser la propagation des flammes entre elles quand on allume le brûleur. On peut former la paroi supérieure par laminage de deux tôles, l'une perforée et l'autre comportant des fentes et des trous définissant les zones perforées.
Mcdonald Brian A.
Ridout & Maybee Llp
LandOfFree
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