A portable campfire apparatus has a base, a fire pan supported by the base, a gas manifold disposed in the fire pan and a quantity of low-density, non-flammable particulate material in the fire pan at a depth to cover the manifold. The fire pan and the base are substantially the same shape and size.
A portable campfire apparatus has a base, a fire pan supported by the base, a gas manifold disposed in the fire pan and a quantity of low-density, non-flammable particulate material in the fire pan at a depth to cover the manifold. The fire pan and the base are substantially the same shape and size. A cylindrical spacer can be interposed between the fire pan and the base, and a lid of geometry similar to the base and fire pan is disclosed and rests on an inwardly projecting shoulder on the rim of the fire pan. When upright, the upper rim is parallel to the ground, but when tipped over the rim is at an angle of no less than ninety degrees to the ground. Different shapes of the base and fire pan are taught, and different configurations of the manifold are shown.
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I claim: 1. A campfire apparatus adapted to be placed in an assembled state on a support surface and connected to a source of fuel, comprising: (a) a base adapted to rest on the support surface when in the assembled state; (b) a fire pan adapted to be supported by said base when in the assembled st
I claim: 1. A campfire apparatus adapted to be placed in an assembled state on a support surface and connected to a source of fuel, comprising: (a) a base adapted to rest on the support surface when in the assembled state; (b) a fire pan adapted to be supported by said base when in the assembled state, said fire pan including a main body portion having an inner surface, an upper rim and a pan interior; (c) a spacer adapted to be interposed between said fire pan and said base when in the assembled state so that said base supports said spacer and said spacer supports said fire pan; (d) a gas manifold disposed in said fire pan when in the assembled state, and having at least one gas outlet operative to introduce vaporized fuel into the pan interior when connected to the source of fuel; and (e) a quantity of low-density, non-flammable particulate material adapted to be disposed in said fire pan at a depth sufficient to cover said gas manifold when in the assembled state. 2. A campfire apparatus according to claim 1 including a connector associated with said gas manifold and adapted to connect to the source of fuel when in an assembled state. 3. A campfire apparatus according to claim 1 wherein said particulate material is selected from a group consisting of clay, shale, slate, and slag particles, zeolites, alumina hydrates, borates, perlite, vermiculite, beach sand, volcanic sand and sandblasting sand. 4. A campfire apparatus according to claim 1 wherein said particulate material is vermiculite. 5. A campfire apparatus according to claim 1 including a lid sized and adapted to enclose said pan interior when placed thereon in a mounted state, with a portion of said lid being supported by a portion of said main body. 6. A campfire apparatus according to claim 5 wherein said upper rim extends continuously around said fire pan and including an inwardly projecting shoulder portion disposed on said upper rim, said shoulder portion operative to support said lid when said lid is in the mounted state. 7. A campfire apparatus according to claim 1 wherein said gas manifold has a selected size and a shape selected from a group consisting of toroidal, serpentine, linear and linearly angled shapes. 8. A campfire apparatus according to claim 1 wherein said gas manifold is shaped so as to extend circumjacent to the inner surface of said fire pan when in the assembled state and operative when connected to a source of fuel to direct vaporized fuel laterally toward an axis that is perpendicular to the plane containing the rim of said fire pan. 9. A campfire apparatus according to claim 8 including a plurality of ports formed in spaced apart relation to one another around said gas manifold thereby to define a plurality of gas outlets therefor. 10. A campfire apparatus according to claim 1 wherein said fire pan is configured as a geometric shell selected from a group consisting of: a portion of a spherical shell, a truncated pyramidal shell, a rectangular parallelepided shell, a polyhedral shell, a conical shell, a cylindrical shell and a pyramidal shell. 11. A campfire apparatus according to claim 10 wherein said fire pan, and said base are of substantially the same size and shape. 12. A campfire apparatus according to claim 11 including a lid sized and adapted to enclose said pan interior when placed thereon in a mounted state with a portion of said lid being supported by a portion of said main body, and wherein said lid has substantially the same geometric structure as said fire pan and said base. 13. A campfire apparatus according to claim 1 wherein said upper rim extends in a plane parallel to said support surface when in an upright position, and when in a tipped-over position, the plane of said upper rim is oriented at no less than ninety degrees to said support surface. 14. A portable camping stove adapted to be placed on a support surface and connect to a source of fuel, comprising: (a) a base adapted to rest on a support surface, said base constructed as a base shell with a lower rim so as to have a base interior, said base having a selected geometric configuration and size; (b) a fire pan including a main body portion constructed as a fire pan shell with an upper rim so as to have a pan interior, said fire pan shell having a selected geometric configuration and size, said base and said fire pan being securable to one another so that the base interior and the pan interior are oppositely opening; and (c) a gas manifold disposed in the pan interior and having at least one gas outlet operative to introduce vaporized fuel into the pan interior when connected to the source of fuel. 15. A portable camping stove according to claim 14 including a connector associated with said gas manifold and adapted to connect to a source of fuel. 16. A portable camping stove according to claim 14 including a spacer having a hollow interior and interposed between said base and said fire pan. 17. A portable camping stove according to claim 14 wherein said fire pan has a central pan axis and said base has a central base axis, said base and said fire pan secured together such that the central base axis and said central pan axis are co-linear. 18. A portable camping stove according to claim 17 including a spacer having a hollow interior and interposed between said base and said fire pan and at least one bolt interconnecting said fire pan and said base, said bolt passing through the interior of said spacer. 19. A portable camping stove according to claim 14 including a lid sized and adapted to enclose said interior pan when placed thereon in a mounted state with a portion of said lid being supported by a portion of said main body. 20. A portable camping stove according to claim 19 including an inwardly projecting shoulder portion disposed on said upper rim and extending continuously around said fire pan, said shoulder portion adapted to support said lid when in a mounted state. 21. A portable camping stove according to claim 14 including a plurality of ports formed in spaced-apart relation to one another around said gas manifold thereby to define a plurality of gas outlets therefor or. 22. A portable camping stove adapted to be placed on a support surface and connect to a source of fuel, comprising: (a) a fire pan including a main body portion constructed as a fire pan shell having a central pan axis and with an upper rim and a pan interior, said fire pan shell having a selected geometric configuration and size; (b) a base operative to rest on the support surface, said base constructed as a base shell having a central base axis and with a lower rim and a base interior, said base shell having the selected geometric configuration and size; (c) a spacer formed as a hollow connector and interposed between said fire pan and said base such that when connected together, the central pan axis and the central base axis are co-linear and the pan interior and the base interior are in an opposed relationship; (d) a gas manifold disposed in the interior of said fire pan and having at least one gas outlet operative to introduce vaporized fuel into the interior of said fire pan when connected to the source of fuel; (e) a connector associated with said gas manifold and adapted to connect to the source of fuel; (f) a lid constructed as a lid shell having the selected geometric configuration and size; and (g) a quantity of low density, fire-retardant material disposed in said fire pan at a depth sufficient to cover said gas manifold. 23. A campfire apparatus adapted to be placed in an assembled state on a support surface, comprising: (a) a base adapted to rest on the support surface when in the assembled state; (b) a fire pan adapted to be releasably secured to said base and supported thereby when in the assembled state, said fire pan including a main body portion having an inner surface, an upper rim and a pan interior; (c) a reservoir adapted to provide a source of fuel; (d) a gas manifold adapted to be disposed in the pan interior when in the assembled state, and having at least one gas outlet operative to introduce vaporized fuel into the pan interior when connected to said source of fuel; and (e) a quantity of vermiculite adapted to be disposed in said fire pan at a depth sufficient to cover said gas manifold when in the assembled state. 24. A method of providing an artificial campfire on a support surface, comprising the steps of: (a) providing a fire pan having an interior and wherein said fire pan includes a gas manifold disposed in the interior thereof with said manifold having at least one gas outlet operative to introduce vaporized fuel into the interior of said fire pan; (b) positioning said fire pan in spaced relation above a base support disposed on the support surface; (c) securing said fire pan to said base such that the interior of said fire pan is upwardly opening; (d) placing a quantity of low density, fire retardant particulate material in said fire pan at a depth sufficient to cover said gas manifold thereby to achieve a surface spaced completely above said gas manifold; (e) introducing a fuel into said gas manifold at a pressure sufficient so that vaporized fuel is injected into the particulate material in a manner whereby the vaporized fuel migrates upwardly therethrough without igniting until it reaches the surface; and (f) igniting said vaporized fuel along the surface of said particulate material. 25. A method according to claim 24 wherein said particulate material is selected from a group consisting of clay, shale, slate, and slag particles, zeolites, alumina hydrates, borates, perlite, vermiculite, beach sand, volcanic sand and sandblasting sand. 26. A method according to claim 25 wherein said particulate material is vermiculite. 27. A campfire apparatus adapted to be placed in an assembled state on a support surface and connected to a source of fuel, comprising: (a) a base adapted to rest on the support surface when in the assembled state; (b) a fire pan adapted to be supported by said base when in the assembled state, said fire pan including a main body portion having an inner surface, an upper rim and a pan interior, wherein said upper rim extends continuously around said fire pan and including an inwardly protecting shoulder portion disposed on said upper rim, said shoulder portion operative to support said lid when said lid is in the mounted state; (c) a lid sized an adapted to enclose said pan interior when in the assembled state, with a portion of said lid being supported by a portion of said main body; (d) a gas manifold disposed in said fire pan when in the assembled state, and having at least one gas outlet operative to introduce vaporized fuel into the pan interior when connected to the source of fuel; and (e) a quantity of low-density, non-flammable particulate material adapted to be disposed in said fire pan at a depth sufficient to cover said gas manifold when in the assembled state. 28. A campfire apparatus adapted to be placed in an assembled state on a support surface and connected to a source of fuel, comprising: (a) a base adapted to rest on the support surface when in the assembled state; (b) a fire pan adapted to be supported by said base when in the assembled state, said fire pan including a main body portion having an inner surface, an upper rim and a pan interior, said base and said fire ran being securable to one another; (c) a gas manifold disposed in said fire pan when in the assembled state, and having at least one gas outlet operative to introduce vaporized fuel into the pan interior when connected to the source of fuel and shaped so as to extend circumjacent to the inner surface of said fire pan when in the assembled state and operative when connected to a source of fuel to direct vaporized fuel laterally toward an axis that is perpendicular to a plane containing the upper rim of said fire pan; and (d) a quantity of low-density, non-flammable particulate material adapted to be disposed in said fire pan at a depth sufficient to cover said gas manifold when in the assembled state. 29. A campfire apparatus according to claim 28 including a plurality of ports formed in spaced apart relation to one another around said gas manifold thereby to define a plurality of gas outlets therefor. 30. A campfire apparatus adapted to be placed in an assembled state on a support surface and connected to a source of fuel, comprising: (a) a base adapted to rest on the support surface when in the assembled state, said base having a central base axis; (b) a fire pan, securable to said base and adapted to be supported by said base when in the assembled state, said fire pan including (1) a main body portion having an inner surface and an aperture formed therethrough (2) an upper rim; and (3) a pan interior; (c) a gas outlet received by the aperture in said fire pan that is operative to introduce vaporized fuel into the pan interior when connected to the source of fuel; and (d) a quantity of low-density, non-flammable particulate material disposed in said fire pan. 31. A campfire apparatus adapted to be placed in an assembled state on a support surface and connected to a source of fuel, comprising: (a) a base adapted to rest on the support surface when in the assembled state; (b) a fire pan adapted to be supported by said base when in the assembled state, said fire pan including a main body portion having an inner surface, an upper rim and a pan interior; (c) a detachable spacer adapted to be supported by said base and to support said fire pan when in the assembled state; (d) a gas manifold disposed in said fire pan when in the assembled state, and having at least one gas outlet operative to introduce vaporized fuel into the pan interior when connected to the source of fuel; and (e) a quantity vermiculite adapted to be disposed in said fire pan at a depth sufficient to cover said gas manifold when in the assembled state. 32. A campfire apparatus adapted to be placed in an assembled state on a support surface and connected to a source of fuel, comprising: (a) a base adapted to rest on the support surface when in the assembled state, said base having a selected geometric size and shape; (b) a fire pan having a substantially similar geometric size and shape as said base, said fire pan adapted to be supported by said base when in the assembled state, said fire pan including a main body portion having an inner surface, an upper rim and a pan interior; (c) a spacer adapted to be interposed between said fire pan and said base when in the assembled state so that said base supports said spacer and said spacer supports said fire pan; (d) a gas manifold disposed in said fire pan when in the assembled state, and having at least one gas outlet operative to introduce vaporized fuel into the pan interior when connected to the source of fuel; and (e) a quantity of low-density, non-flammable particulate material adapted to be disposed in said fire pan at a depth sufficient to cover said gas manifold when in the assembled state. 33. A campfire apparatus according to claim 24 wherein said particulate material is vermiculite. 34. A campfire apparatus adapted to be placed in an assembled state on a support surface and connected to a source of fuel, comprising: (a) a base adapted to rest on the support surface when in the assembled state; (b) a fire pan adapted to be supported by said base when in the assembled state, said fire pan including a main body portion having an inner surface, an upper rim and a pan interior; (c) a lid sized an adapted to enclose said pan interior when in the assembled state, with a portion of said lid being supported by a portion of said main body; (d) a gas manifold disposed in said fire pan when in the assembled state, and having at least one gas outlet operative to introduce vaporized fuel into the pan interior when connected to the source of fuel; and (e) a quantity of low-density, non-flammable particulate material adapted to be disposed in said fire pan at a depth sufficient to cover said gas manifold when in the assembled state.
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Larsen Darwin W. (46 W. 1st North Logan UT 84321) Thompson Jack C. (75 W. Center Providence UT 84332), Apparatus and method for dutch oven cooking over charcoal.
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