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US 4,311,130 AGranted
Flue device
OwnerTheodore Nooseinventor
Life of this patent
Estimating the term…
Abstract
A fire starter having a relatively short chimney extending upwardly from a skirt in the form of a truncated cone is made more effective by the use of a venturi at the junction of skirt and chimney, and by the use of radial flow directors at the underside of the skirt, and by giving the chimney a truncated conical form. The short chimney, which unfolds, and division of the skirt into two generally semi-circular sections facilitates assembly and disassembly and adds portability.
Claims14
An improved portable flue device comprising, in combination:
- a chimney;
- a frusto-conical skirt extending downwardly and outwardly from said chimney, said skirt comprises flow channeling means for directing air flow radially inward from the edge to the central opening of said skirt, said flow channeling means acting to limit the area, at the edge of the skirt, available to accommodate air flow to the chimney;
- and
- means in the form of a venturi restriction for accelerating gas flow from skirt to chimney.
1 more element
Dependencies are inferred from the claim text.