Class 431/211 - One feed heated before being fed to section

Subclass of Class 431 - Combustion
Definition: Apparatus including means to heat one of the fluids prior
No. of patents: 22
Last issue date: 04/03/2001

Number	Title	Issue Date
6210150	Method and an apparatus of operating a boiler fired with liquid or gaseous hydrocarbons A method and an apparatus of operating a boiler fired with liquid or gaseous hydrocarbons are described. Fuel and atomizing air are supplied to the burner of the boiler wherein the atomizing air is subjected to a moistening process prior to mixing with th...	04/03/2001
6174160	Staged prevaporizer-premixer Method and apparatus to prevaporize and premix liquid and/or gaseous fuels with air in two stages at two different temperatures prior to combustion. The invention is directed to the entry of a finely atomized liquid fuel, such as No. 2 diesel, into an inl...	01/16/2001
6123540	Heavy oil emulsion fuel combustion apparatus A heavy oil emulsion fuel combustion apparatus is arranged, in a combustion apparatus using a heavy oil emulsion fuel, to prevent a decrease in the combustion efficiency due to water content in the fuel and to prevent an increase in the sulfuric acid dew ...	09/26/2000
6042368	Appliance for burning a combustible gas, and method of burning such a gas An appliance for burning a combustible gas, for example a liquefied petroleum gas. The appliance includes a relatively massive metal body forming a heat sink, in which there is formed a passage for flow of the combustible gas from a feed inlet to a discha...	03/28/2000
6036473	Heavy oil emulsified fuel combustion apparatus A heavy oil emulsified fuel combustion apparatus is provided in which steam bubbles generated in the pressure reduction operation for dewatering a heavy oil emulsified fuel before combustion are prevented from mixing into a dewatered heavy oil side result...	03/14/2000
5816790	Heavy oil emulsified fuel combustion equipment A heavy oil emulsified fuel combustion furnace is provided which prevents lowering of combustion efficiency due to water content in the fuel as well as prevents elevation of sulfuric acid dew point due to water content in the flue gas of the combustion fu...	10/06/1998
5149260	Device and method for combustion of waste oil The present invention concerns a device sequence for burning waste oil and includes a circulating system having a pump for circulating the oil therein and a heater for heating the oil to a suitable combustion temperature during this circulation. A combust...	09/22/1992
5135386	Hydrocarbon flare system Method and apparatus are provided whereby a hydrocarbon gas and liquid mixture is separated into a first fluid and a second fluid. The first fluid is vaporized to form a vapor which is commingled with the second fluid. The commingled fluid is passed throu...	08/04/1992
5054546	Vaporizer for generating a mixture of superheated steam and fuel vapor Hot effluent gas from a burner or combustor passes over a pair of nested helical coils forming a steam generator 1 and a vapor mixing conduit 2. Liquid fuel is injected at 12 into a stream of superheated steam and vaporizes. The resulting mixture is combu...	10/08/1991
5051090	Method and apparatus for burning liquid fuel A method for burning foamed liquid fuel in a combustion chamber comprises the steps of foaming the liquid fuel and separately supplying air required for continuous stable combustion of the foamed fuel. An apparatus for carrying out the method is also disc...	09/24/1991
5030086	Agricultural burner device An agricultural burner device produces a flame from the combustion of liquid propane and is used to control weeds, insects, vines, micro-organisms, and the like. The burner devices are typically mounted on the draw bar of an agricultural implement, and ar...	07/09/1991
4734029	Burner for campstove A campstove burner includes a burner box which is located above the burner pan of the burner. The burner rings are positioned between the burner pan and the burner box, and a fuel and air mixture within the burner box flows through the burner rings where ...	03/29/1988
4720257	Burner for campstove A campstove burner includes a burner box which is located above the burner pan of the burner. The burner rings are positioned between the burner pan and the burner box, and a fuel and air mixture within the burner box flows through the burner rings where ...	01/19/1988
4445570	High pressure combustor having a catalytic air preheater A combustor for generating a mixture of steam and combustion gas is located downhole in an oil well, so that the mixture can be injected directly into the reservoir, to displace heavy oil from the reservoir. The combustion is built up in stages, with each...	05/01/1984
4443180	Variable firing rate oil burner using aeration throttling A pressure atomizing liquid fuel burner having an improved turndown ratio is disclosed along with a method of increasing the turndown ratio in such burners. The burner includes means for adding an amount of gas to the liquid fuel prior to the injection of...	04/17/1984
4389185	Combustor for burning a volatile fuel with air A combustor in which fuel is premixed with rather large amounts of primary air in order to obtain a high temperature, rich mixture of volatized fuel and air prior to ignition is designed as a tubular vaporizer provided with a swirl inlet opening in a preh...	06/21/1983
4369029	Ceramic recuperator and method for the heating of combustion air A ceramic recuperator for the heating of combustion air, e.g. for an oil-fired burner or boiler, which prepares at least the air in the formation of a fuel-air mixture which is ignitable at the burner. According to the invention the recuperator is provide...	01/18/1983
4302177	Fuel conversion apparatus and method Apparatus and method are described for the vaporization of liquid fuel oils to produce a gaseous mixture suitable for burning in a burner normally designed for operation utilizing natural gas....	11/24/1981
4203963	Staged vaporization of liquid hydrocarbon fuels A method for vaporization of liquid hydrocarbon fuel wherein liquid hydrocarbon fuel is mixed with vapor to provide a vapor product which is heated. The heated vapor product is mixed with additional liquid hydrocarbon fuel to provide a second vapor produc...	05/20/1980
4089639	Fuel-water vapor premix for low NOx burning A method and apparatus for burning fuels with air, with reduced production of NOx, involves the premixing of water vapor with the fuel prior to the burning operation. Because of the low retention of water vapor at low temperatures, means are provided for ...	05/16/1978
4008038	Fuel conditioning apparatus and method An oil burner, heating system has a supplementary system for delivering enriched, flammable, vapor, under pressure, to a vapor burner tip located within the flame pattern produced by the conventional atomized fuel burner tip. The vapor is formed by divert...	02/15/1977
3938934	Fuel economizer process and apparatus Combustion air feed to a fuel burner is warmed with water otherwise destined for evaporative cooling in a cooling tower or spray pond; then the resulting warmed air is sent to combustion while the resulting cooled water is further cooled by evaporation fo...	02/17/1976

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Class 431/211 - One feed heated before being fed to section