Burner for gas range

Claim 1

IN A GAS BURNER FOR A RANGE HAVING A VARIABLE SOURCE OF AIR-GAS MIX, THE COMBINATION OF A BURNER BODY OF HOLLOWER ANNULAR CONSTRUCTION HAVING A TOP CIRCULAR OPENING BOUNDED BY A PERIPHERAL LEDGE WHICH MERGES INTO A DEPENDING INNER SKIRT PORTION AND HAVING A BOTTOM CIRCULAR OPENING ALINED THEREWITH BUT OF LESSER DIAMETER, A BURNER HEAD HAVING A CENTRAL TUBULAR PORTION AND A PERIPHERAL PORTION SPACED RADIALLY OUTWARDLY THEREFROM, SAID PERIPHERAL PORTION HAVING A CONTINUOUS SERIES OF PRIMARY AND AUXILIARY BURNER PORTS FORMED THEREIN AND TERMINATING IN A NECKED-DOWN OUTER SKIRT PORTION, SAID OUTER SKIRT PORTION BEING DIMENSIONED TO MATE WITH THE UPPER OPENING IN THE BURNER BODY AND SAID TUBULAR PORTION BEING DIMENSIONED TO MATE WITH THE LOWER OPENING IN THE BURNER BODY WHEN THE BURNER HEAD AND BURNER BODY ARE TELESCOPED TOGETHER TO FORM A BURNER, MEANS FOR ADMITTING AIR-GAS MIX FROM THE SOURCE INTO THE BURNER BODY, AT LEAST ONE OF SAID SKIRT PORTIONS BEING INTURNED AND INWARDLY EXTENDING TOWARD THE TUBULAR PORTION OF THE HEAD SO AS TO PROVIDE A NARROW ANNULAR PASSAGEWAY BETWEEN THE BURNER BODY AND THE HAD TO LOWER THE PRESSURE IN THE HEAD BELOW THE POINT OF BLOW-AWAY OF THE FLAME AT HIGH RATES OF FLOW AND TO PROVIDE A FLOW WHICH IS EVENLY DISTRIBUTED ABOUT THE ENTIRE SERIES OF PORTS, SAID PRIMARY PORTS BEING HORIZONTAL ELONGATED AND RELATIVELY CLOSELY SPACED TO PROVIDE POSITIVE CARRYAROUND OF THE FLAME AT LOW RATES OF FLOW, AND SAID AUXILIARY PORTS BEING OF RELATIVELY SMALL DIAMETER AND ARRANGED IN CENTERED RELATIONSHIP BELOW THE PRIMARY PORTS FOR MAINTAINING THE MIX IGNITED AT HIGH RATES OF FLOW.