Fuel element for melting plate candle assembly
First Claim
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1. A fuel element for a melting plate candle assembly, comprising:
- a core of meltable fuel material;
a wick extending axially through the core and exposed at an end of the fuel element;
an outer shell of meltable fuel material disposed around the core, the outer shell disposed a distance from the wick sufficient to allow the outer shell to be melted when a flame is burning on the wick; and
an amount of fuel additive that slows capillary flow of liquid fuel to the flame through the wick entrained in the outer shell sufficient to thicken the meltable fuel material after being melted to slow flow of the melted fuel material along the wick to the flame, as compared to flow without the fuel additive, without preventing the melted fuel material from feeding the flame.
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Abstract
A fuel charge for use with a melting plate candle assembly includes an outer shell of fuel material surrounding an inner core of fuel material having different properties than the fuel material of the outer shell. The outer shell is substantially solid and may contain fuel additive that slows capillary flow of liquid fuel to the flame through the wick. The inner core may include liquid fuel, discrete solid fuel particles, or a solid fuel mass. The fuel additive is disposed in the fuel charge so as to slow migration of liquefied fuel to a flame on a wick only after a substantial portion of the fuel charge has been liquefied by heat from the flame.
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Citations
20 Claims
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1. A fuel element for a melting plate candle assembly, comprising:
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a core of meltable fuel material; a wick extending axially through the core and exposed at an end of the fuel element; an outer shell of meltable fuel material disposed around the core, the outer shell disposed a distance from the wick sufficient to allow the outer shell to be melted when a flame is burning on the wick; and an amount of fuel additive that slows capillary flow of liquid fuel to the flame through the wick entrained in the outer shell sufficient to thicken the meltable fuel material after being melted to slow flow of the melted fuel material along the wick to the flame, as compared to flow without the fuel additive, without preventing the melted fuel material from feeding the flame. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A fuel element for a melting plate candle assembly, comprising:
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a core of meltable fuel material; a wick extending axially through the core and exposed at an end of the fuel element; an outer shell of meltable fuel material disposed around the core, the outer shell disposed a distance from the wick sufficient to allow the outer shell to be melted when a flame is burning on the wick; and an amount of fuel additive that slows capillary flow of liquid fuel to the flame through the wick sufficient to thicken the meltable fuel material after being melted to slow flow of the melted fuel material along the wick to the flame, as compared to flow without the fuel additive, without preventing the melted fuel material from feeding the flame; wherein the fuel additive is disposed in the fuel element at a location sufficient to slow the flow of melted fuel material along the wick only after a substantial portion of the fuel material has been melted. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification