US 11,953,198 B2
Non-gas fire pit
Steven Merrill Harrington, Cardiff by the Sea, CA (US); Michael Sawalski, Racine, WI (US); Ryan Butrym, Cardiff by the Sea, CA (US); Robert Woodruff, Oconomowoc, WI (US); Joel Kramka, Madison, WI (US); Megan Piunti, Fitchburg, WI (US); and Montel Caruthers, Madison, WI (US)
Assigned to Lamplight Farms Incorporated, Menomonee Falls, WI (US)
Filed by Lamplight Farms Incorporated, Menomonee Falls, WI (US)
Filed on Nov. 3, 2020, as Appl. No. 17/088,300.
Application 17/088,300 is a continuation in part of application No. 16/578,926, filed on Sep. 23, 2019, granted, now 11,092,342.
Claims priority of provisional application 62/734,753, filed on Sep. 21, 2018.
Prior Publication US 2021/0048188 A1, Feb. 18, 2021
Int. Cl. F23B 20/00 (2006.01); F23B 60/02 (2006.01); F23L 9/02 (2006.01)
CPC F23B 20/00 (2013.01) [F23B 60/02 (2013.01); F23L 9/02 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A fire pit comprising:
a combustion chamber having at least one wall defining an inner chamber and further comprising a pair of spaced apart end walls and a pair of spaced apart side walls, the pair of spaced apart side walls and pair of spaced apart end walls defining the inner chamber therebetween;
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; and
a shroud surrounding the combustion chamber and spaced apart therefrom to form 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 pair of spaced apart side walls and pair of spaced apart end walls form a parallelepiped configuration; and
wherein the shroud has a parallelepiped configuration with a taper opposite a taper of the combustion chamber.