1
Robert S Didner: Zoned control system. Thomas L Adams, October 30, 1984: US04479604 (103 worldwide citation)

In this thermal system there is a central plant feeding a plurality of adjustable zone regulators which bring their respective zones to corresponding target temperatures. The system has a controller including a plurality of temperature sensors. The sensors are distributed one to a zone. Each of the ...


2
Herbert D Michelson, James P Stumbar: Low NO.sub.x premix burner. Exxon Research & Engineering Co, R Yablonsky, December 16, 1986: US04629413 (79 worldwide citation)

The invention relates to an improved premix burner and a method of its operation for combustion with a minimum of NO.sub.x emissions. The improvement is achieved by combining staged combustion with a premix burner in a manner such that mixing of the secondary air with the flame is delayed.


3
Grigory M Gitman: Variable heat generating method and apparatus. American Combustion, Sumner C Rosenberg, William H Needle, November 11, 1986: US04622007 (73 worldwide citation)

Method and apparatus for high temperature heating, melting, refining and superheating of materials, such as steel scrap, metals, ceramics or glass. The invention provides an economizing method of hydrocarbon fluid fuel combustion in an ongoing flame in a liquid cooled combustion chamber by separatel ...


4
Grigory M Gitman: Method and apparatus for generating highly luminous flame. American Combustion, Needle & Rosenberg, January 10, 1989: US04797087 (67 worldwide citation)

A burner and method is disclosed in which a first oxidizing gas containing a high oxygen concentration is injected as a stream into the central zone of combustion tunnel, and part of the fuel is injected into said central pyrolysis zone to mix with said first oxidizing gas to create a highly luminou ...


5
Robert E Schwartz, Richard T Waibel, Paul M Rodden, Samuel O Napier: Methods and apparatus for burning fuel with low NO.sub.x formation. John Zink Company a Division of Koch Engineering Company, Laney Dougherty Hessin & Beavers, October 13, 1992: US05154596 (62 worldwide citation)

Improved methods and burner apparatus are provided for discharging mixtures f fuel and air into furnace spaces wherein said mixtures are burned and flue gases having low NO.sub.x content are formed therefrom. The methods basically comprise discharging a first fuel mixture containing a portion of the ...


6
Rolf Oppenberg, Helmut Wiehn: Method of and burner for burning liquid or gaseous fuels with decreased NO.sub.x formation. Deutsche Babcock Werke Aktiengesellschaft, Max Fogiel, March 11, 1986: US04575332 (61 worldwide citation)

To allow liquid and/or gaseous fuels to be burned with decreased NO.sub.x formation, the combustion air is fed in at axial intervals one after the other. The percentage of primary air is higher than that of secondary air. The injector effect of the primary air draws flue gas out of the firebox and s ...


7
Noboru Okigami, Hiroshi Hayasaka, Yoshitoshi Sekiguchi, Harushige Tamura: Multi-stage combustion method for inhibiting formation of nitrogen oxides. Hitachi Shipbuilding & Engineering, Armstrong Nikaido Marmelstein & Kubovcik, July 26, 1983: US04395223 (60 worldwide citation)

A method comprising injecting a primary fuel and air into a furnace to burn the fuel and form a first-stage combustion zone, the fuel being diluted with surrounding combustion gas and the air being supplied at a rate in excess of the stoichiometric rate required for the combustion of the fuel, and i ...


8
Robert E Schwartz, Samuel O Napier, Andrew P Jones: Low NO.sub.x gas burner apparatus and methods. John Zink Company, Dougherty Hessin Beavers & Gilbert, August 24, 1993: US05238395 (59 worldwide citation)

Improved gas burner apparatus and methods of burning fuel gas-air mixtures are provided whereby flue gases having low NO.sub.x contents are formed. The burner apparatus includes a refractory burner tile having an air discharge opening therein and a wall surrounding the opening which extends into the ...


9
Robert E Schwartz, Richard T Waibel, Paul M Rodden, Samuel O Napier: Methods and apparatus for burning fuel with low NO.sub.x formation. John Zink Company, Laney Dougherty Hessin & Beavers, March 24, 1992: US05098282 (57 worldwide citation)

Improved methods and burner apparatus are provided for discharging mixtures of fuel and air into furnace spaces wherein said mixtures are burned and flue gases having low NO.sub.x content are formed therefrom. The methods basically comprise discharging a first fuel mixture containing a portion of th ...


10
David L Hagen, Gary Ginter, Bill Goheen, Allan McGuire, Janet Rankin: Trifluid reactor. Vast Power Portfolio, Ostrolenk Faber Gerb & Soffen, April 28, 2009: US07523603 (56 worldwide citation)

A thermally diluted exothermic reactor system is comprised of numerous orifices distributed within a combustor by distributed perforated contactor tubes or ducts. The perforated contactors deliver and mix diluent fluid and one or more reactant fluids with an oxidant fluid. Numerous micro-jets about ...



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