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Fuel combustion system

  • US 9,874,349 B2
  • Filed: 04/10/2015
  • Issued: 01/23/2018
  • Est. Priority Date: 04/03/2015
  • Status: Active Grant
First Claim
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1. A fuel combustion system for burning a fuel mixture, the fuel combustion system comprising:

  • at least one discharge nozzle being supported by a fuel discharge body, and each at least one discharge nozzle having a liquid fuel orifice and a concentric air orifice surrounding the liquid fuel orifice;

    a liquid fuel supply conduit being coupled to each liquid fuel orifice supplying liquid fuel thereto from a fuel supply;

    an air supply conduit being coupled to each air orifice for supplying pressurized air thereto from a pressurized air source;

    the liquid fuel and the pressurized air only mixing with one another, to form the fuel mixture, upon being discharged from the concentric liquid fuel and air orifices;

    an inlet section of an air deflector sleeve being located for receiving the fuel mixture discharged by the at least one discharge nozzle;

    a blast tube surrounding the air deflector sleeve and an outlet end of the cylindrical blast tube supporting a flame retention head;

    a supplemental air fan for supplying supplement air into an inlet end of the blast tube to assist with combustion of the fuel mixture;

    an air deflector being located between the fuel discharge body and an inlet end of the air deflector sleeve for directing some of the supplement air to flow into the inlet section of the air deflector sleeve and redirecting a remaining portion of the supplement air toward the flame retention head; and

    the flame retention head discharging some of the supplemental air axially through plurality of plurality of apertures formed therein and redirecting a remaining portion of the supplement air radially inward through a plurality of openings formed in an outlet section of the air deflector sleeve to assist with combustion of the fuel mixture.

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