Recreational cyclonic burner

Abstract

A cyclonic burner suitably adapted for use in either a properly vented indoor or outdoor recreational setting. The cyclonic burner comprising an external housing member, a top cover fixedly attached thereto to form and define an internal combustion chamber suitably configured to receive and burn a combustible fuel therein, and fuel burning means generally comprising an combustion air plenum chamber, an external blower motor operably attached thereto for supplying air into the combustion air plenum chamber and a plurality of air inlet ports tangentially positioned within the external housing member in a linear-like manner, with each of the air inlet ports principally serving as an effective passageway for delivery of air from the combustion air plenum chamber to the internal combustion chamber insofar to commence and sustain combustion of fuels contained therein and produce an ascending cyclonic flame capable of extending a predetermined distance beyond the top cover.

What is claimed is:  
     
         1 . A cyclonic burner suitably configured for use in either a properly vented indoor or outdoor recreational environment, said cyclonic burner comprising, in combination: 
 an external housing member having a bottom grate and an upwardly extending wall fixedly attached to said bottom grate and extending upwardly therefrom and terminating at an upper ledge;    a top cover fixedly attached to said upper ledge forming and defining an internal combustion chamber suitably configured to receive a combustible fuel; and    means for burning the combustible fuel within said internal combustion chamber to correspondingly produce a cyclonic flame capable of ascending through and beyond said top cover.    
     
     
         2 . A cyclonic burner as set forth in  claim 1 , wherein said upwardly extending wall and said top cover further comprise an internal surface adaptably configured to receive an insulating liner.  
     
     
         3 . A cyclonic burner as set forth in  claim 2 , wherein said insulating liner is fabricated from a mixture of alumina (Al 2 O 3 ) and vermiculite and having a thickness of approximately 1.5 inches.  
     
     
         4 . A cyclonic burner as set forth in  claim 1 , wherein said fuel burning means comprises an combustion air plenum chamber, an external blower motor for supplying air into said combustion air plenum chamber and a plurality of air inlet ports tangentially positioned in a linear-like manner within said upwardly extending wall, each air inlet port principally serving as an effective passageway for delivery air from said combustion air plenum chamber to said internal combustion chamber for purposes of promoting cyclonic burning of the fuel contained therein.  
     
     
         5 . A cyclonic burner as set forth in  claim 1 , wherein said internal combustion chamber comprises an inner diameter and a height being substantially equivalent to one another in terms of their dimensioning insofar to substantially promote complete combustion outside said internal combustion chamber, near and above said top cover, and a cyclonic flame capable of producing high volumetric heat releases therefrom.  
     
     
         6 . A cyclonic burner as set forth in  claim 4 , wherein the tangential positioning of each of said air inlet ports disposed within said upwardly extending wall ranges from 30° to less than 60° from an axis tangentially established at said upwardly extending wall.  
     
     
         7 . A cyclonic burner as set forth in  claim 4 , wherein the tangential positioning of each of said air inlet ports disposed within said upwardly extending wall is 45° from an axis tangentially established at said upwardly extending wall.  
     
     
         8 . A cyclonic burner as set forth in  claim 4 , wherein said combustion air plenum chamber further comprises an outer port plate having an aperture extending therethrough for passage of air needed for combustion of fuels and an adjustable damper slidably positioned within in a geometrically equivalent slot formed between said combustion air plenum chamber and said outer port plate, said adjustable damper principally serving to control the amount of air into said internal combustion chamber for sustained combustion mainly outside thereof, near said top cover.  
     
     
         9 . A cyclonic burner as set forth in  claim 4 , wherein said external blower motor is operably connected to said combustion air plenum chamber and comprises a shaft fitted with a fan having a cylindrical configuration, said fan having a plurality of elongate fins attached thereto to feed combustion air into said combustion air plenum chamber and forcibly move air into said internal combustion chamber via air inlet ports for sustained combustion of fuels residing therein.  
     
     
         10 . A cyclonic burner as set forth in  claim 9 , wherein said external blower motor further comprises the capacity to operate at {fraction (1/50)} hp for consistent delivery of air into said combustion air plenum chamber and to selectively operate on either an alternating or direct current electrical source.  
     
     
         11 . A cyclonic burner as set forth in  claim 1 , wherein said fuel burning means comprises a fuel inlet for passage of a regulated supply of a pressurized fuel and air into said internal combustion chamber, said fuel inlet being tangentially positioned within said upwardly extending wall, near said bottom grate.  
     
     
         12 . A cyclonic burner as set forth in  claim 11 , wherein said fuel inlet further comprises a fuel inlet adapter having a plurality of air inlet apertures to serve as means to supply air into said internal combustion chamber, a first end press-fitted into said upwardly extending wall and extending therebeyond into said internal combustion chamber a predetermined distance, and a second external end configurably fitted with a venturi nozzle emanating from a fuel supply hose fixedly attached to an external fuel source, said venturi nozzle being capable of introducing pressurized fuel into said internal combustion chamber and effectively drawing in combustion air and streaming therewith for sustained combustion within said internal combustion chamber insofar to produce a cyclonic flame capable of ascending through said top cover.  
     
     
         13 . A cyclonic burner as set forth in  claim 1 , wherein said upwardly extending wall comprises a handle swingably connected thereto to serve as means to transport and carry said burner during an inoperable state.  
     
     
         14 . A cyclonic burner as set forth in  claim 1 , wherein said top cover further comprises a centralized opening having a tapered wall at the periphery thereof, said tapered wall comprising upper and lower portions, said lower portion being located more radially inward than said upper portion to control the extent to which the ascending cyclonic flame disperses upon exiting said centralized opening.  
     
     
         15 . A cyclonic burner as set forth in  claim 14 , wherein the angular relationship between said upper and lower portions relative to an axis normal to said top cover ranges from 20° to 45°.  
     
     
         16 . A cyclonic burner as set forth in  claim 14 , wherein the angular relationship between said upper and lower portions relative to an axis normal to said top cover is 30°.  
     
     
         17 . A cyclonic burner as set forth in  claim 14 , wherein said centralized opening comprises an effective diameter at said lower portion that is smaller than said internal combustion chamber's inner diameter at its widest part, near said top cover.  
     
     
         18 . A cyclonic burner as set forth in  claim 17 , wherein the effective diameter of said centralized opening relative to the inner diameter of said internal combustion chamber ranges from 0.40 to 0.70.  
     
     
         19 . A cyclonic burner as set forth in  claim 17 , wherein the effective diameter of said centralized opening relative to the inner diameter of said internal combustion chamber is 0.50.  
     
     
         20 . A cyclonic burner suitably configured for use in either a properly vented indoor or outdoor recreational environment, said cyclonic burner comprising, in combination: 
 an external housing member having a bottom grate and an upwardly extending wall fixedly attached to said bottom grate and extending upwardly therefrom and terminating at an upper ledge, said upwardly extending wall comprising a plurality of air inlet ports tangentially positioned in a linear-like manner therewithin to principally serve as an effective air passageway;    a top cover fixedly attached to said upper ledge forming and defining an internal combustion chamber suitably configured to receive a combustible fuel, said top cover comprising a centralized opening having a tapered wall at the periphery thereof, said tapered wall comprising upper and lower portions, said lower portion being located more radially inward than said upper portion to purposefully control the extent to which an ascending cyclonic flame disperses upon exiting said centralized opening; and    an combustion air plenum chamber having an external blower motor for supplying air into said combustion air plenum chamber and forcibly moving air therefrom into said internal combustion chamber for combustion of fuel, said combustion air plenum chamber further comprising an outer port plate having an aperture extending therethrough for passage of air needed for combustion of fuels and an adjustable damper slidably positioned within in a geometrically equivalent slot formed between said combustion air plenum chamber and said outer port plate, said adjustable damper principally serving to control the amount of air into said internal combustion chamber.    
     
     
         21 . A cyclonic burner as set forth in  claim 20 , wherein said upwardly extending wall and said top cover further comprise an internal surface adaptably configured to receive an insulating liner made from a mixture of alumina (Al 2 O 3 ) and vermiculite.  
     
     
         22 . A cyclonic burner as set forth in  claim 20 , wherein said top cover is adaptably fitted with a grilling device possessing the capacity to cook foods and the like thereon, said grilling device further comprising a grate adaptably configured with a plurality of legs extending therefrom, each of said legs comprising a foot having a geometric configuration substantially corresponding to a peripheral edge of said top cover to laterally stabilize said grilling device about said top cover during operation thereof, said grate being held above said top cover a predetermined distance to enable access to said centralized opening for the addition and removal of a solid fuel.  
     
     
         23 . A cyclonic burner as set forth in  claim 20 , wherein said external blower motor is operably connected to said combustion air plenum chamber and comprises a shaft fitted with a fan having a cylindrical configuration, said fan having a plurality of elongate fins attached thereto to feed combustion air into said combustion air plenum chamber and forcibly move air into said internal combustion chamber via air inlet ports for sustained combustion of fuels residing therein.  
     
     
         24 . A cyclonic burner as set forth in  claim 20 , wherein the angular relationship between said upper and lower portions relative to an axis normal to said top cover is 30°.  
     
     
         25 . A cyclonic burner as set forth in  claim 20 , wherein the tangential positioning of each of said air inlet ports disposed within said upwardly extending wall is 45° from an axis tangentially established at said upwardly extending wall.  
     
     
         26 . A plurality of cyclonic burners collectively arranged to generate high volumetric heat releases for use in an industrial application, said cyclonic burners comprising, in combination: 
 a steel shell comprising an insulating material having a plurality of internal combustion chambers formed therein and configured in series, each of said internal combustion chambers comprising a centralized opening extending through said steel shell, said centralized opening comprising a tapered wall having upper and lower portions, said lower portion being located more radially inward than said upper portion insofar to control the extent to which an ascending cyclonic flame disperses as it exits each of said centralized openings;    a plurality of air inlet ports tangentially positioned within said insulating material at each of said internal combustion chambers, said air inlet ports being hydraulically connected with one another to serve as an air passageway for combustion of fuels residing in each of said internal combustion chambers;    a main air supply duct extending lengthwise about said steel shell and having a plurality of upwardly extending ducts in hydraulic communication with each of said air inlet ports; and    a combustion air plenum chamber having an external blower motor operably attached thereto for supplying air into said main air supply duct and forcibly moving air therefrom into each of said internal combustion chambers via air inlet ports to promote and sustain combustion of fuels contained therewithin, said combustion air plenum chamber further comprising an outer port plate having an aperture extending therethrough for passage of air needed for combustion of fuels and an adjustable damper slidably positioned within in a geometrically equivalent slot formed between said combustion air plenum chamber and said outer port plate, said adjustable damper principally serving to control the amount of air into said main air supply duct.    
     
     
         27 . A cyclonic burner as set forth in  claim 26 , wherein said insulating material is made from a mixture of alumina (Al 2 O 3 ) and vermiculite.  
     
     
         28 . A cyclonic burner as set forth in  claim 26 , wherein the angular relationship between said upper and lower portions relative to an axis normal to said centralized opening ranges from 20° to 45°.  
     
     
         29 . A cyclonic burner as set forth in  claim 26 , wherein the effective diameter of each of said centralized openings relative to an inner diameter of each of said internal combustion chambers ranges from 0.40 to 0.70.  
     
     
         30 . A cyclonic burner as set forth in  claim 26 , wherein the tangential positioning of each of said air inlet ports disposed within said insulating material is 45° from an axis tangentially established at said internal combustion chamber.