Combustion inventions 10/07

20070248921 - Combustion apparatus: Provided is a combustion apparatus that can positively prevent a combustible gas present in the vicinity from catching fire in performing prepurge, which involves exhausting air from a combustion chamber provided with a burner, before igniting the burner. The combustion apparatus 1 contains combustion control means 6 that ignites the... Agent: Rankin, Hill, Porter & Clark LLP

20070248920 - Variable orifice combustor: A variable orifice combustor unit 10 comprises an annular combustion chamber 12 extending about a central axis 14 and ending in a discharge nozzle 16. Charging of the chamber 12 takes place from combustion fuel and air supply chambers 18 and 20 via a fuel charging orifice array 22 and... Agent: Wyatt, Tarrant & Combs, LLP

20070248922 - Secret message candle: A hidden message candle apparatus comprising a two part container divided into an inner portion and an outer portion, a candle, a message sheet, and a heat-activated covering in sticker form. The transparent top portion of the outer container forms a cylindrical gap, when the inner container is nested in... Agent: Edwin Tarver

20070248923 - Direct flame impingement burner: A direct flame impingement burner including a metal block with a fuel inlet and an oxidant inlet and at least two outlet nozzles having a set of identical nozzle outlet openings. The oxidant inlet is connected with an oxidant chamber within the block that is connected with at least one... Agent: Alfred J Mangels

20070243495 - Electronic gas control system: An electronic gas control apparatus including a variable flow valve, an igniter, a flame sensor, and an electronic controller is provided. The valve has a flow range that equals or exceeds a required flow range for any one of the types of gas suitably combusted by the burner. The electronic... Agent: Reinhart Boerner Van Deuren P.C.

20070243496 - Mixing device for mixing gas and combustion air for a gas burner and gas burner: The invention concerns a mixing device for mixing gas and combustion air for a gas burner. According to the invention, a mixture of gas and combustion air prepared in said mixing device (10) is sent to the gas burner through a blower, the mixing device (10) comprising a housing (13)... Agent: Crompton, Seager & Tufte, LLC

20070238057 - System and method for combustion-air modulation of a gas-fired heating system: A system and method for providing a gas-fired heating system with improved thermal efficiency includes modulating a quantity of combustion air flow to a combustion mixture in response to a measured change in fuel-gas pressure using a DC (e.g., brushless) motor to drive a combustion air blower. A pressure transducer... Agent: Hoffman & Baron, LLP

20070238058 - Longevity and performance improvements to flare tips: Low emissivity (low-E) coatings are applied onto surfaces of flare tips to achieve longer flare tip service life, improved flare tip structural integrity and/or a more stable flame pattern under a wide range of operating conditions. In accordance with some embodiments of the present invention, low-E coatings may be applied... Agent: Nixon & Vanderhye, PC

20070238059 - Burner system with staged fuel injection: A burner system with staged fuel injection includes at least one burner with a mixing zone. A combustion chamber is disposed downstream of the mixing zone and a first fuel introduction device is provided upstream of the mixing zone. Furthermore, a second fuel introduction device for the direct injection of... Agent: Darby & Darby P.C.

20070238060 - Oil candle apparatus: The present invention involves a combustion apparatus for utilizing as an oil candle. The apparatus is a material suitable for forming a heat sink, having a ring or cylinder for enclosing a wick which wick extends into oil suitable for oil candles, and a heat sink extending from the wick... Agent: Katy C. Fain FainIPLaw, P.C.

20070231755 - Gas fired heating device and a method of generating a flow of hot air: The invention relates to an apparatus for the heating of roofing material. The apparatus comprising: air supply means (86); an elongated tubular combustion chamber (10) with a first end (11) and a second end and having a wall (30) surrounding a longitudinal axis (A) of said combustion chamber (10) and... Agent: Darby & Darby P.C.

20070231756 - Candle extinguishing device: A candle extinguishing device comprising: a barrel; a handle in communication with the barrel; an opening located proximate to an extinguishing end of the barrel; a passage located in the barrel and the handle, and in fluid communication with the opening; a filter located in the handle and in fluid... Agent: Law Office Of Michael A. Blake

20070231757 - Thermal processing furnace, gas delivery system therefor, and methods for delivering a process gas thereto: A gas delivery system for supplying a process gas from a gas supply to a thermal processing furnace, a thermal processing furnace equipped with the gas delivery system, and methods for delivering process gas to a thermal processing furnace. The gas delivery system comprises a plurality of regulators, such as... Agent: Wood, Herron & Evans, LLP (tokyo Electron)

20070231758 - Smokeless liquid dual-phase burner system: The smokeless liquid two-phase burner system of the present invention relates to a method and apparatus for burning a wide variety of flammable liquids using an integrated burner system. The system has both a primary injection path and an alternate injection path for the liquid fuel to be burned, as... Agent: Elizabeth R. Hall

20070231759 - Trailer mounted smokeless dual-phase burner system: The smokeless liquid two-phase burner system of the present invention relates to a method and apparatus for burning a wide variety of flammable liquids using an integrated burner system. The system has both a primary injection path and an alternate injection path for the fuel to be burned, as well... Agent: Elizabeth R. Hall

20070231760 - Lantern with ignitor and valve regulator: A lantern includes a burner, a valve unit connected to the burner and configured to control a fuel flow toward the burner, an ignition unit configured to ignite the burner, and a housing. The valve unit includes a valve regulator and a control knob, and the ignition unit includes an... Agent: Mcguirewoods, LLP

20070231761 - Integration of oxy-fuel and air-fuel combustion: A furnace is heated by a burner that can be selectively operated by either air-fuel or oxy-fuel combustion. The burner comprises a conduit for fuel, a conduit for air, a conduit for oxidant, and control means for regulating flow through the air and oxidant conduits. An air-fuel fired furnace can... Agent: Praxair, Inc. Law Department - M1 557

20070231762 - Injector for liquid fuel, and staged premix burner having this injector: An injector (4) for liquid fuel (6a) and a premix burner, in particular for combustion chambers of gas turbines which burner includes an injector (4) of this type, includes a swirl nozzle (14) which is surrounded by a shielding-air passage (11) and has an enlarged cross section of flow in... Agent: Cermak Kenealy & Vaidya LLP