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US 12,498,115 B2Granted
Non-gas fire pit
AssigneeLamplight Farms Incorporated
InventorsSteven Merrill Harrington, Michael Sawalski, Ryan Butrym, Robert Woodruff, Joel Kramka, Megan Piunti, Montel Caruthers
Life of this patent
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Abstract
A fire pit includes an combustion chamber having at least one wall defining an inner chamber. At least one primary air aperture is defined through the inner chamber wall at a first, lower level, and at least one secondary air aperture is defined through the inner chamber wall at a second, upper level. A fuel grate is supported within the inner chamber at a level between the lower level and the upper level.
Claims2
A fire pit comprising:
- a combustion chamber having at least one wall defining an inner chamber;
- at least one primary air aperture defined through the inner chamber wall at a first, lower level;
- at least one secondary air aperture defined through the inner chamber wall at a second, upper level;
- a fuel grate supported within the inner chamber at a level between the lower level and the upper level;
- a shroud surrounding the at least one wall and being spaced apart therefrom to define an intake chamber;
- wherein solid fuel supported by the fuel grate, when combusted, is provided primary combustion air from below the fuel grate by the primary air apertures and provided secondary combustion air from above the solid fuel by the secondary air apertures, the secondary combustion air promoting combustion of unburned gasified combustibles rising within the inner chamber;
- wherein the at least one wall is formed into a frustoconical configuration with a narrower upper end and a wider bottom end;
- wherein the shroud defines at least one aperture for admitting air to the intake chamber from outside the firepit;
- and
- wherein the shroud comprises a frustoconical configuration with a taper opposite a taper of the at least one inner wall.
7 more elements
Dependencies are inferred from the claim text.