Patent ID: 6263868
Filing Date: 2001-07-24
Classification: F23D

Abstract:
A gas stove burner comprising:a base having an annular outer edge;a lower ring sitting on the base, forming therewith a lower compartment, and having an outer edge forming with the base outer edge an outwardly open annular slot communicating with the lower compartment;an upper ring sitting on the lower ring, forming therewith an upper compartment, and having an outer edge forming with the lower-ring outer edge an array of outwardly open holes communicating with the upper compartment, the upper-ring outer edge having a diameter generally equal to a diameter of the lower-ring outer edge; andmeans including respective independently operable and closable valves connected to the compartments for feeding respective gas/air mixtures to the compartments such that when both valves are open the gas will issue from the holes to form an upper flame and from the slot to form a lower flame of substantially the same diameter and when either of valves is closed the respective flow is completely cut off to completely eliminate the respective flame.