Gas burner with improved primary port arrangement

Details Gas burner with improved primary port arrangement Gas burner with improved primary port arrangement

F - Mech Eng,Light,Heat,Weapons

23

D

F23D 14/46 (2006.01) F23D 14/06 (2006.01)

Patent

CA 2058058

PATENT - Docket 9D-RG-17887 - Ghassemzadeh GAS BURNER WITH IMPROVED PRIMARY PORT ARRANGEMENT ABSTRACT An improvement to conventional atmospheric gas burners particularly advantageously applied to the type used as surface heating units in gas cooking appliances such as ranges and cooktops, which typically comprise a burner head having a plurality of primary burner ports formed at port locations equally spaced about the periphery of the burner head. Improvement is realized by not forming primary burner ports at selected ones of the equally spaced port locations. The unused port cations are selected so as to separate the primary ports into groups. ? reduction in the number of ports reduces the total port area thereby ducing the amount of primary air entrained in the air/gas mixture ivered to the burner. In addition the resulting spacing of the groups ports has the effect of reducing the amount of secondary air per port ative to that which would be entrained by the same number of ports, if ally distributed about the periphery. The net result being more trolled combustion under normal operating conditions and in particular der delayed ignition conditions.

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