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US 5,941,234 AGranted
Combustion cage for wood pellet and other solid fuel combustion
AssigneeThe Energex Company
InventorsRobert B. Norburn, Darryl R. Rose
Life of this patent
Estimating the term…
Abstract
A combustion cage for pellet fuel is an inclined container having at least one wall surrounding a bottom and a support structure. The surrounding wall and bottom of the container have a plurality of holes throughout imparting a hole-to-surface ratio of at least 40% to the wall and bottom. The support structure supports the inclined container in a fixed, inclined position with reference to the horizontal.
Claims23
A combustion cage for burning wood pellet and other solid fuels, said combustion cage comprising:
- an inclined container having at least one wall completely surrounding a bottom and forming at least one compartment of predetermined volume for holding a mass of wood pellet and other solid fuel;
- a plurality of holes throughout said at least one wall and said bottom wherein said at least one wall and said bottom have least a 40% hole-to-surface ratio;
- and
- a support structure operatively connected to said bottom and supporting said container in a fixed, inclined position with reference to the horizontal whereby combustion air enters through said plurality of holes of said bottom.
1 more element
A combustion cage for burning wood pellet or other solid biomass fuels, said combustion cage comprising:
- an inclined receptacle for holding a mass of wood pellet and other solid fuel, said receptacle having at least one wall completely surrounding a bottom wherein said at least one wall and said bottom form at least one compartment of a predetermined volume and have a plurality of apertures in sufficient quantity and evenly distributed throughout each of said at least one wall and said bottom to have at least a 40% hole-to-solid surface ratio;
- and
- a supporting means operatively attached to said receptacle and supporting said receptacle in a fixed, inclined position with reference to the horizontal and wherein said support means imparts an angle of inclination to said receptacle in the range of about 12 degrees to about 30 degrees.
Dependencies are inferred from the claim text.