Combustion inventions 11/08

20080292999 - Method for heating an industrial furnace, and apparatus suitable for carrying out the method: In a known method for heating an industrial furnace by pulsating combustion, gaseous or liquid reactants, comprising an oxidizing agent and fuel, are fed to a burner (3), with the volumetric flow of at least one of the reactants which emerges from the burner mouth (7) being changed over the... Agent: Air Liquide Intellectual Property

20080292998 - Pulse detonation cleaning apparatus: The burning of fuel (e.g., coal) in industrial equipment generates an exhaust flow containing airborne particulate. The flow is passed through a rotary heat exchanger to preheat inlet air. The heat exchanger element is subject to fouling and is cleaned by a pulsed combustion device. The device is operated by... Agent: Mccormick, Paulding & Huber LLP

20080293000 - Variable orifice gas flow modulating valve: A temperature control system for a gas appliance utilizes an improved variable orifice gas flow modulating valve (10) capable of direct modulation of gas flow through an orifice (20) directly into a gas burner (54) to provide a constantly maintained temperature in an appliance working compartment, as selected by human... Agent: Hovey Williams LLP

20080293001 - Burner ignition controller: A fuel burner controller and associated method is configured to establish fuel combustion in a fuel burner and to recycle a fuel combustion initiation process when a loss of combustion is detected and a call for heat is asserted. The controller is further configured to limit a number of recycles... Agent: Eschweiler & Associates, LLC National City Bank Building

20080293002 - Energy efficient low nox burner and method of operating same: A burner assembly that produces very low NOx emissions includes a plurality of furnace gas openings for receiving a portion of furnace gasses back into a combustion cylinder. The burner assembly includes the combustion cylinder, a plurality of combustion air inlet conduits that extend into the cylinder and a plurality... Agent: Townsend And Townsend And Crew, LLP

20080286703 - Reducing sulfur gas emissions resulting from the burning of carbonaceous fuels: A process for burning coal or other carbonaceous fuels captures sulfur and other undesirable compounds are captured and retained in non-reactive ceramic-like form after the combustion phase. The process involves addition of multiple element alkali powders and/or sorbents preferably containing oxidizing anions such as nitrates and nitrites, preferably based on... Agent: Harness, Dickey & Pierce, P.L.C

20080286704 - Method of burning a nitrogen-containing fuel: In a method of burning a nitrogen-containing fuel while reducing the emission of nitrogen oxides is provided, a sub-stoichiometric primary zone in the form of a flame core is produced and is supplied with a nitrogen oxide reducing agent that is a nitrogen compound or a hydrocarbon. Preferably, the flame... Agent: Robert W. Becker & Associates

20080286705 - Stress reduction feature to improve fuel nozzle sheath durability: A fuel nozzle sheath has a lateral opening for admitting air about a nozzle stem. The stress distribution along the perimeter of the window is smoothed out by increasing the corner radius of the window corner presenting higher stress concentration.... Agent: Ogilvy Renault LLP (pwc)

20080286706 - Heater and method of operation: A furnace, firing pattern and method of operating a heater that employs a combination of hearth burners and wall burners for the cracking of hydrocarbons is described. The firing pattern leads to improvements in the uniformity of the coil metal temperatures and vertical heat flux profiles over the firebox elevation.... Agent: Alix Yale & Ristas LLP

20080286707 - Combustion apparatus: A combustion apparatus comprising: a combustion chamber; a primary fuel input conduit for supplying a fuel to the combustion chamber; a secondary input conduit for supplying a combustion gas to the combustion chamber; and combustion gas supply means, wherein the combustion gas supply means is adapted to switchably supply one... Agent: Epstein & Gerken

20080280236 - Solid fuel compositions, processes for preparing solid fuel, and combustion processes: Solid fuel compositions consisting essentially of wet processed biomass are provided. Processes for preparing solid fuel are provided that can include pelletizing wet-processed biomass material. Combustion processes are provided that can include initiating combustion of a pelletized wet processed biomass material. Energy generation processes are included that can include gasifying... Agent: Wells St. John P.s.

20080280237 - Oil gasification burner for ash-free liquid fuel: An oil gasification burner for liquid fuel is proposed which comprises, on a centrally arranged pilot burner part, a number of supply elements arranged outside the annular channel concentrically to the burner axis with pressure atomizer nozzles for introduction of liquid fuel. The pressure atomizer nozzles are embodied such that... Agent: Siemens Corporation Intellectual Property Department

20080280238 - Low swirl injector and method for low-nox combustor: A fuel injector and a combustor including a fuel injector that enables a combustor to burn a lean fuel/oxider gas mixture while providing low emissions of oxides of nitrogen (NOx), and a method of combustion. The fuel injector includes three fuel/oxider flow path channels. The first channel includes a flow... Agent: Leydig, Voit & Mayer, Ltd

20080280239 - Method and device for burning hydrogen in a premix burner: A method and a device for combusting gaseous fuel which contains hydrogen or consists of hydrogen, includes a burner which provides a swirl generator (1) into which liquid fuel is feedable centrally along a burner axis (A), forming a liquid fuel column which is conically formed and which is enveloped... Agent: Cermak Kenealy & Vaidya LLP

20080280240 - Combustor for combustion synthesis of fullerenes: A mode of combustion and multi-component reactor to accomplish this mode of combustion are disclosed which produces fullerenes and fullerenic material by combustion. This mode consists of de-coupling an oxidation region of a flame from a post-flame region, thus giving greater control over operating parameters, such as equivalence ratio, temperature,... Agent: Wilmerhale/boston

20080280241 - Oil/slurry burner with injection atomization: An oil/slurry burner with injection atomization for the gasification of solids-containing liquid fuels under high pressures of e.g. 80 bar (8 MPa) and high temperatures of e.g. 1200 to 1900 degrees centigrade in reactors with liquid slag removal is proposed, wherein a plurality of feeding elements disposed outside the annular... Agent: Siemens Corporation Intellectual Property Department

20080280242 - Coal burner assembly: A burner assembly including a housing having an air inlet, a burner end having an opening, a longitudinal axis extending generally from the air inlet toward the burner end, a motor, an impeller mounted in the housing and being in fluid communication with the air inlet, operatively connected to the... Agent: Paul S. Weidlich Chambliss, Bahner & Stophel, P.C.

20080280243 - Burner assembly: A burner assembly including a housing having an air inlet and a burner end, a motor, and an impeller mounted in the housing. The impeller is in fluid communication with the air inlet, in mechanical communication with the motor, and adapted to direct air from the air inlet towards the... Agent: David J. Hill Chambliss, Bahner & Stophel, P.C.

20080274434 - Gas appliance: A coupling for attaching a fuel canister to an appliance such as a torch is provided that comprises a first connector on the canister. The first connector comprises a first set of screw threads where the first set of screw threads are interrupted to define a shape. A second connector... Agent: Moore & Van Allen PLLC