US2013319304A1PendingUtilityA1

Smokeless wood burner and a new process to create steam to generate electricity

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Assignee: THOMPSON DOUGLASPriority: May 30, 2012Filed: Dec 21, 2012Published: Dec 5, 2013
Est. expiryMay 30, 2032(~5.9 yrs left)· nominal 20-yr term from priority
F23B 90/04F23C 1/04F23B 60/00F23J 15/022
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Claims

Abstract

A method of burning a fuel with high efficiency comprises providing a combustion chamber having a combustion region, providing a natural fuel within the combustion chamber on one side of the combustion region, providing a filtered fuel, and providing a substantially cylindrical injector on an opposing side of the combustion region, the injector comprising: an exhaust port in an axial center of the injector; a notch surrounding a circumference of the injector; and a plurality of intake ports in a periphery of the injector and configured to port fluid from the notch to the combustion region. The flow of the fluid toward the center of the combustion region, while the natural fuel is burning within the combustion chamber, causes at least one vortex in which the combustible substances further burn with the air and the filtered fuel.

Claims

exact text as granted — not AI-modified
1 . A method of burning a fuel with high efficiency, comprising:
 providing a combustion chamber having a combustion region;   providing a natural fuel within the combustion chamber on one side of the combustion region;   providing a filtered fuel within the combustion chamber on an opposing side of the combustion region;   providing a substantially cylindrical injector on an opposing side of the combustion region, the injector comprising: an exhaust port in an axial center of the injector; a notch surrounding a circumference of the injector; and a plurality of injector ports in a periphery of the injector and configured to port fluid from the notch to the combustion region so that the fluid flows toward a center of the combustion region, the fluid comprising at least one of air or the filtered fuel; and   burning the natural fuel within the combustion chamber to produce a smoke comprising combustible substances, wherein the flow of the fluid toward the center of the combustion region, while the natural fuel is burning within the combustion chamber, causes at least one vortex in which the combustible substances further burn with the air and the filtered fuel.   
     
     
         2 . The method as claimed in  claim 1 , further comprising:
 providing a spark capture chamber;   separating exhaust from the exhaust port into gases and solids; and   collecting the solids in the spark capture chamber.   
     
     
         3 . The method as claimed in  claim 1 , wherein the filtered fuel comprises propane. 
     
     
         4 . The method as claimed in  claim 1 , wherein the fluid comprises air. 
     
     
         5 . The method as claimed in  claim 1 , wherein the fluid comprises the filtered fuel. 
     
     
         6 . The method as claimed in  claim 1 , wherein the natural fuel comprises wood. 
     
     
         7 . The method as claimed in  claim 1 , further comprising removing heat from exhaust from the exhaust port. 
     
     
         8 . The method as claimed in  claim 1 , wherein the injector ports comprise substantially straight ports channeled from the notch to an end of the injector and angled relative to a central axis of the injector by an angle of between approximately 5 and 15 degrees. 
     
     
         9 . The method as claimed in  claim 1 , wherein the injector comprises at least two injector ports. 
     
     
         10 . The method as claimed in  claim 1 , wherein the plurality of injector ports comprises a plurality of filtered fuel injector ports and a plurality of air injector ports. 
     
     
         11 . The method as claimed in  claim 1 , wherein the fluid comprises filtered fuel and air.

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