MULTI-RING GAS BURNER FOR AN APPLIANCE
A multi-ring gas burner for an appliance is provided. The burner includes an inner burner ring and an outer burner ring. The outer burner ring has a regulator positioned within a fuel chamber of the outer burner ring. The regulator controls a flow of fuel to outlets of the outer burner ring adjacent the regulator. The regulator can improve a uniformity of fuel flow through the outlets and thereby improve a uniformity of flames at the outlets.
1 . A multi-ring gas burner for an appliance, the gas burner defining a radial direction and a circumferential direction, the gas burner comprising:
an inner burner ring;
an outer burner ring spaced apart from said inner burner ring along the radial direction, said outer burner ring defining an inlet, a fuel chamber, and a plurality of outlets, the inlet configured for directing fuel into the fuel chamber, the outlets spaced apart from one another along the circumferential direction and configured for directing fuel out of the fuel chamber; and
a regulator mounted to said outer burner ring within the fuel chamber of said outer burner ring, said regulator positioned adjacent the inlet of said outer burner ring, said regulator disposed between the inlet and at least one of the plurality of outlets along the radial direction, said regulator defining at least one slot;
wherein said regulator and said outer burner ring define a regulating chamber, said regulator configured for directing fuel from the fuel chamber of said outer burner ring through the at least one slot of said regulator into the regulating chamber, the regulating chamber configured for directing fuel out of the regulating chamber through the at least one of the plurality of outlets of said outer burner ring.
2 . The multi-ring gas burner of claim 1 , wherein the at least one slot of said regulator and the at least one of the plurality of outlets are unaligned along the radial direction.
3 . The multi-ring gas burner of claim 1 , wherein said outer burner ring comprises a first inlet and a second inlet, the first inlet spaced apart from the second inlet along the circumferential direction, said regulator positioned adjacent the first inlet.
4 . The multi-ring gas burner of claim 3 , further comprising an additional regulator mounted to said outer burner ring within the fuel chamber of said outer burner ring, said additional regulator positioned adjacent the second inlet of said outer burner ring, said additional regulator disposed between said second inlet and at least one of the plurality of outlets along the radial direction, said additional regulator defining at least one slot.
5 . The multi-ring gas burner of claim 1 , wherein said regulator hinders fuel from entering the regulating chamber except through the at least one slot of said regulator.
6 . The multi-ring gas burner of claim 1 , wherein each slot of the at least one slot of said regulator has a cross-sectional area in a plane that is perpendicular to the radial direction and each outlet of the at least one outlet of said outer burner ring has a cross-sectional area in a plane that is perpendicular to the radial direction, a total cross-sectional area of the at least one slot being between about forty percent and about sixty percent of a total cross-sectional area of the at least one outlet.
7 . The multi-ring gas burner of claim 1 , wherein said inner burner ring defines an entrance and a plurality of exits, the exits spaced apart from one another along the circumferential direction, the entrance configured for directing fuel to the exits.
8 . The multi-ring gas burner of claim 1 , wherein the at least one slot of said regulator is positioned adjacent the inlet.
9 . The multi-ring gas burner of claim 1 , wherein the inlet comprises a Venturi mixing tube.
10 . The multi-ring gas burner of claim 1 , wherein fuel exits each outlet of the plurality of outlets at a substantially uniform pressure and velocity.
11 . A cooktop appliance, the cooktop appliance defining a radial direction and a circumferential direction, the cooktop appliance comprising:
a panel having a top surface for supporting food items for cooking; and
a multi-ring gas burner mounted to said panel at the top surface of said panel, said multi-ring gas burner configured for heating food items, said multi-ring gas burner comprising
an inner burner ring;
an outer burner ring spaced apart from said inner burner ring along the radial direction, said outer burner ring defining an inlet, a fuel chamber, and a plurality of outlets, the inlet configured for directing fuel into the fuel chamber, the outlets spaced apart from one another along the circumferential direction and configured for directing fuel out of the fuel chamber; and
a regulator mounted to said outer burner ring within the fuel chamber of said outer burner ring, said regulator positioned adjacent the inlet of said outer burner ring, said regulator disposed between the inlet and at least one of the plurality of outlets along the radial direction, said regulator defining at least one slot;
wherein said regulator and said outer burner ring define a regulating chamber, said regulator configured for directing fuel from the fuel chamber of said outer burner ring through the at least one slot of said regulator into the regulating chamber, the regulating chamber configured for directing fuel out of the regulating chamber through the at least one of the plurality of outlets of said outer burner ring.
12 . The cooktop appliance of claim 11 , wherein the at least one slot of said regulator and the at least one of the plurality of outlets are unaligned along the radial direction.
13 . The cooktop appliance of claim 11 , wherein said outer burner ring comprises a first inlet and a second inlet, the first inlet spaced apart from the second inlet along the circumferential direction, said regulator positioned adjacent the first inlet.
14 . The cooktop appliance of claim 13 , wherein said multi-ring gas burner further comprises an additional regulator mounted to said outer burner ring within the fuel chamber of said outer burner ring, said additional regulator positioned adjacent the second inlet of said outer burner ring, said additional regulator disposed between the second inlet and at least one of the plurality of outlets along the radial direction, said additional regulator defining at least one slot.
15 . The cooktop appliance of claim 11 , said regulator hinders fuel from entering the regulating chamber except through the at least one slot of said regulator.
16 . The cooktop appliance of claim 11 , wherein each slot of the at least one slot of said regulator has a cross-sectional area in a plane that is perpendicular to the radial direction and each outlet of the at least one outlet of said outer burner ring has a cross-sectional area in a plane that is perpendicular to the radial direction, a total cross-sectional area of the at least one slot being between about forty percent and about sixty percent of a total cross-sectional area of the at least one outlet.
17 . The cooktop appliance of claim 11 , wherein said inner burner ring defines an entrance and a plurality of exits, the exits spaced apart from one another along the circumferential direction, the entrance configured for directing fuel to the exits.
18 . The cooktop appliance of claim 11 , wherein the at least one slot of said regulator are positioned adjacent the inlet.
19 . The cooktop appliance of claim 11 , wherein the inlet comprise a Venturi mixing tube.
20 . A multi-ring gas burner for an appliance, the gas burner defining a radial direction and a circumferential direction, the gas burner comprising:
an inner burner ring;
an outer burner ring spaced apart from said inner burner ring along the radial direction, said outer burner ring defining at least two inlets, a fuel chamber, and a plurality of outlets, the inlets spaced apart from one another along the circumferential direction and configured for directing fuel into the fuel chamber, the outlets spaced apart from one another along the circumferential direction and configured for directing fuel out of the fuel chamber; and
a plurality of regulators mounted to said outer burner ring within the fuel chamber of said outer burner ring, each regulator of said plurality of regulators positioned adjacent a respective one of the inlets of said outer burner ring, each regulator of said plurality of regulators disposed between the respective one of the inlets and at least one of the plurality of outlets along the radial direction, each regulator of said plurality of regulators defining at least one slot;
wherein each regulator of said plurality of regulators and said outer burner ring define a respective regulating chamber, said regulators configured for directing fuel from the fuel chamber of said outer burner ring through the at least one slot of said regulators into the regulating chambers, the regulating chambers configured for directing fuel out of the regulating chambers through the respective at least one of the plurality of outlets of said outer burner ring.