Matches 1 - 50 out of 74 1 2 >
Match Document Document Title
6718889 Draft controlled boiler fuel nozzle  
A multi-fuel boiler having multiple, independent draft or combustion air sources and controls. A conventional oil/gas burner and nozzle assembly is fitted to an injector tube and isolated from a...
5787846 Variable flow volume control baffle for water heater  
Apparatus for improving the efficiency of a water heater having a tank, a burner and a flue, the flue being disposed within said tank for evacuation of burned combustion gases therethrough with...
5584269 Engine block heater  
An engine block heater comprising a propane circulation heater in which engine coolant is heated in a jacket surrounding an inner chamber which is open at both ends to accommodate an industrial...
5579756 Combination heater  
Heating apparatus for producing both central heat and tap water, specifically adapted for trailers and similar mobile houses with small spaces is provided. The heat source is a burner combusting...
5429059 Retrofitted coal-fired firetube boiler and method employed therewith  
A coal-fired firetube boiler and a method for converting a gas-fired firetube boiler to a coal-fired firetube boiler, the converted boiler including a plurality of combustion zones within the...
5385120 Fluid heater  
A fluid heater or boiler is disclosed which has a fire tube or combustion chamber surrounded by a reservoir containing a fluid to be heated. The combustion chamber is defined by an inner shell and...
5313914 Potable hot water storage vessel and direct-fired heat exchanger  
The inner surface of a hot water storage vessel is lined with a removable rigid plastic liner layer with injected foam insulation located between the liner and storage vessel. A heat exchanger is...
5220888 Cyclonic combustion  
A process for cyclonic combustion of fuel in a combustor comprising mixing the fuel and oxidant forming a fuel/oxidant mixture prior to injection into said combustor, tangentially injecting the...
5209187 Low pollutant - emission, high efficiency cyclonic burner for firetube boilers and heaters  
A low pollutant emission, high efficiency cyclonic burner and cyclonic combustion process for firetube boilers and heaters in which the combustion air required for complete combustion is introduced...
5207212 Submersible high-efficiency combustion chamber for a water heater  
An apparatus for heating water in a water tank includes a first tubular member and a second tubular member that has an input end and an exhaust end. The second tubular member is disposed at least...
5029557 Cyclone combustion apparatus  
A cyclone combustion apparatus includes a combustion chamber having a substantially cylindrical wall, a substantially cylindrical exit throat at the rear end of the combustion chamber, means for...
5020479 Watertube boiler and its method of combustion  
A watertube boiler for all types of boilers including natural circulation, forced circulation and one-through types. The boiler includes a plurality of heat absorption water tubes forming a heat...
4989549 Ultra-low NO.sub.x combustion apparatus  
A combustion apparatus for staged combustion inside the Morison tube of a firetube boiler for lowering the concentration of NO x in the exhaust gases. Combustion occurs in a first and second...
4920925 Boiler with cyclonic combustion  
A boiler with a cyclonic combustor includes a first chamber which is substantially uncooled and refractory lined, a second chamber in fluid communication with the first chamber, ducts for supplying...
4869208 Compact modular fluid storage and heating system  
A modular fluid storage and heating system is provided which includes a plurality of different, interconnectable tank components of standardized dimensions such as fluid storage tanks, closure...
4825813 Multi-pipe once-through type boiler  
A multi-pipe once-through boiler having at least one row of a plurality of circumferentially arranged pipes on which a plurality of fins are arranged in such a manner that the fins are in contact...
4790268 Submersible chamber water heater  
A water heater having improved efficiency. The water heater includes a tubular member that is mounted in an opening in the side of the tank and extends generally horizontally across the tank. The...
4730578 Method for operating a heating boiler plant and apparatus suitable therefor  
A method for operating a heating plant having a boiler with a heat exchanger following the combustion chamber, such that it can be operated continuously and the exhaust gas temperature maintained...
4714052 Industrial gas operated liquid heater  
An industrial gas operated liquid heater is provided comprising a tubular hearth or furnace a front end face of which is provided with a gas burner and a heat exchanger in which the liquid to be...
4714050 Pre-heater  
An industrial oven, including the combination of a steam generating tank having a water inlet and a steam outlet; walls depending from said tank for defining a combustion chamber therebelow; a...
4671213 Structural improvement in the burning chamber of a horizontal boiler  
The present disclosure is related to a structural improvement in the burning chamber of a horizontal boiler, adopting a hollow flame-conducting element therein, which is attached with a pair of...
4624218 Heater, particularly an auxiliary vehicle heater  
A vehicle auxiliary heating device of the type which has a burner aggregate, a burner pipe forming a combustion chamber and a heat transfer arrangement that contains an inner jacket with ribs and...
4590888 Water heater  
A water heater having a burner unit and a combustion chamber from which the combustion gases are discharged and deflected into an annular out-flow space through which they flow along a heat...
4584969 Dirty water heat exchanger  
A dirty water heat exchanger keeps solids from settling out while passing through the heat exchanger and includes a cylindrical furnace duct, connected at a first end to a conventional burner,...
4488514 Solid fuel boiler of the radiating furnace tube type, method for converting a boiler and means for carrying out said method  
The boiler comprises a primary furnace in which the combustion reactions are initiated, a secondary furnace extended by a radiating tube in which the combustion reactions are terminated, a heating...
4473351 Vertical feed stick wood fuel burning furnace system  
A new and improved stove or furnace for efficient combustion of wood fuel including a vertical feed combustion chamber for receiving and supporting wood fuel in a vertical attitude or stack, a...
4453498 Gas- or oil-burning warm water, hot water or steam boiler  
The invention relates to gas-, or oil-burning warm water, hot water or steam boilers, mainly for the supply of households, communal institutions, and industrial plants, the surfaces of which...
4433645 Heat exchanger  
A heat exchanger includes elongated inner and outer tubular members defining an elongated generally annular passage therebetween. A burner mounted adjacent one end of the tubular members discharges...
4421065 Heating equipment for an installation using steam and heated gas  
Heating equipment for supplying steam and heated gas, including a combustion chamber from which come flue gases which flow through an enclosure, heating on the way at least one bundle of tubes in...
4418649 Boiler structure  
A boiler comprising a long tank lying on its side and having a fire box at one end which is adjacent to a recessed bulkhead that is spaced from a partition in the end of the tank. The top of the...
4412509 Energy conversion system and components thereof  
The energy conversion system disclosed is especially adapted for use with hydrocarbon or fossil fuels, for instance natural gas, with which substantial quantities of water vapor are developed when...
4409926 Horizontal sheel boiler  
A horizontal shell boiler has a horizontal furnace section which communicates with a flue gas transfer section at its end which transfers the flue gases from the furnace section to flue tubes...
4407353 Waste heat recovery device for preventing corrosion by sulfur oxides  
In a boiler or an industrial furnace, a temperature detecting sensor is mounted at the heat absorbing side of a heat pipe of a waste heat recovery device which is disposed in part of the path of...
4377133 Cryogenic heater  
An apparatus for heating a confined liquid medium having a closed vessel with a heat transfer liquid therein, a burner housing within the vessel submerged in the heat transfer liquid, a burner...
4327672 Fuel burning boiler  
A fuel burning boiler comprises a water holding shell of sheet steel having front and rear walls defining axially aligned openings. An insert body passes through the openings and is affixed...
4299194 Hot oil heater with helical coil baffle  
A helical coil of tubing is disposed in a cylindrical tank in spaced relation thereto so as to act as a baffle for the products of combustion introduced thereinto by creating a tortuous passageway...
4295447 Heating boiler and temperature control therefor  
A heating boiler has a substantially horizontally extending combustion chamber for combustion of liquid or gaseous fuel, a boiler water chamber surrounding the combustion chamber, a thermostat...
4294198 Heating boiler for liquid or gaseous fuels  
A heating boiler is provided which includes a water jacket including front and rear walls with fuel flues being employed in the boiler. A tube is provided which extends through the water jacket and...
4291649 Process and apparatus for ducting flue gas within a boiler  
In the boiler plant the flue gases coming from the firing space undergo division into at least two part-currents which are cooled to different degrees by giving up heat to a heat exchange medium...
4232634 High efficiency hot water boiler  
Apparatus and method for high efficiency transfer of heat from a combustion process to a working fluid wherein the combustion flame directly impinges upon a special material in contact with conduit...
4215655 Crescent heat exchanger liquid heater  
This invention relates to a novel liquid heater and more particulary to a water heater having a crescent-shaped heat receiving heat exchanger and element therefor.
4192259 Steel heating boiler for liquid or gaseous fuels  
A steel heating boiler for liquid or gaseous fuels, with a water-bearing housing, between the front and rear walls of which is arranged in a liquid-tight manner a cylindrical installation unit...
4169431 Boiler  
The fire box unit inserted into a water casing of a boiler includes a tubular cast iron body fluid-tightly mounted in the apertures of the end walls of the steel sheet casing. The cast iron body is...
4157698 Water heating boiler  
A boiler comprises a water-carrying housing of sheet steel and a thin-walled cast iron casing arranged within the housing and having regions connected by condensate which are not machined. The...
4102309 Boiler for liquid or gaseous fuels  
A water boiler comprising a housing for the water, which is comprised of front, rear and side walls, the side wall ends being connected to the rear and front walls by external fillet weld seams. A...
4022163 Boiler using combustible fluid  
A modular boiler having a cylindrical combustion chamber made of three modules and a module comprising a cover and a module comprising an expansion vessel mounted coaxially on the boiler adjacent...
3903868 Hot water boiler  
A hot water boiler comprising an elongated cylindrical combustion chamber surrounded by an annular water jacket, said boiler comprising means for directing the flue gases forwardly through said...
3851625 LIQUID HEATER  
A firetube is mounted on a tube sheet for immersion in liquids to be heated in a vessel, or container. A web plate is connected between the tube legs and the tube sheet. A restraining structure is...
3810447 ANTI-POLLUTION STEAM GENERATION SYSTEM  
An anti-pollution steam generation system including an outer housing and a secondary combustion chamber spaced inwardly therefrom. An oil burner including a primary combustion chamber is connected...
3802397 WATER HEATER AND METHOD OF CONSTRUCTING THE SAME  
A small, inexpensive water heater is disclosed, of the type which uses an atmospheric burner to heat the water, together with a method for making the same from lightweight sheet metal material....
Matches 1 - 50 out of 74 1 2 >