Matches 1 - 50 out of 183 1 2 3 4 >


Match Document Document Title
8006651 Reverse-flow condensing economizer and heat recovery method  
A condensing heat exchange economizer wherein upwardly flowing hot flue gas is redirected to flow in a downward direction over a bundle of heat exchange tubes carrying a counter-flowing heat...
7891324 Method and apparatus for heating a circulating fluid in an indirect heat exchanger  
A heater and a method for heating a circulating liquid in a gas-to-liquid heat exchanger and an indirect heat exchanger to produce a hot liquid stream for use for heat exchange in a selected...
7841305 Heat exchange apparatus  
A heat exchange apparatus for use in transferring heat to a heat sink. Preferably, the heat sink is comprised of a natural gas supply line at a pressure reduction station. Alternately, the heat...
7647897 Heating apparatus  
A heating apparatus 1 includes a shell 2, a primary heat exchanger (sensible heat exchanger) 3, a burner (combustion means) 5, and a fan 6. A secondary heat exchanger (latent heat exchanger) 7 has...
7644686 Water heating distribution system  
A water heating apparatus including a tank divided into first and second chambers, wherein water in the first and second chambers has first and second temperatures, respectively, a first outlet for...
7617802 Condensation heat exchanger  
The invention relates to a condensation heat exchanger. The inventive heat exchanger consists of two co-axial helicoidal tube bundles which are positioned end-to-end, one of said bundles (2a)...
7600489 Heat exchanger having plural tubular arrays  
A heat exchange apparatus including a housing, a first array of fluid conduits provided within the housing, and a second array of fluid conduits provided within the housing. The first and second...
7552701 Boiler for making super heated steam and its use  
A boiler for making super heated steam by indirect heat exchange of water against a hot gas, said boiler being a vertically oriented vessel comprising a spirally formed conduit around the vertical...
7523721 Heat exchanger and water heater  
A heat exchanger A1 includes a partition 19 partitioning the space 35 surrounded by a coiled tube 60 at an axially intermediate portion of a housing 2 into a first and a second regions 35a and 35b...
7458340 Water heater  
A secondary heat exchanger B for recovering latent heat from combustion gas includes water tubes 5 each of which is so inclined that a first end 50a is positioned lower than a second end 50b....
7392767 Method and apparatus for heating a circulating fluid using a quench column and an indirect heat exchanger  
A quench column heater and a method for heating a circulating liquid in a gas-to-liquid heat exchanger and an indirect heat exchanger to produce a hot liquid stream for use for heat exchange in a...
7353781 Arrangement structure of heat exchanger in condensing gas boiler  
An arrangement structure of heat exchangers in a condensing gas boiler is provided, which includes a casing provided with a combustion chamber therein, and a gas burner provided in the lower...
7302916 Condensation heat exchanger with a gas/air heat collector  
A condensation heat exchanger adapted to interface with a gas or fuel-oil burner, the condensation heat exchanger including two coaxial tube bundles placed end-to-end, one of which acts as primary...
7232471 Hydrogen generator and fuel cell system comprising the same  
A hydrogen generator comprises a burner for generating a combustion gas, a reformer provided around the burner to generate a reformed gas containing hydrogen by a steam reforming reaction based on...
6990930 Steam generation apparatus and method  
In one aspect, the invention provides a steam generation apparatus that is liquid fuel fired and addresses conversion of gaseous fuel SIB units to operate with liquid fuel. The invention also...
6983723 Method and apparatus for providing on-demand hot water  
Waste heat from a steam cycle employing a steam boiler is used to heat water, on an on-demand basis, in a steam-to-water heat exchanger wherein the supply of steam into the heat exchanger is...
6367429 Intermediate fluid type vaporizer  
An intermediate fluid type vaporizer is provided which employs a heat source fluid capable of providing a relatively large temperature difference utilizable for vaporization, and which can make an...
6152086 Heating apparatus and method for operation thereof  
Apparatus for heating fluid, comprising a first supply for supplying fuel, a second supply for supplying oxidizing agent, a burner for combusting fuel and oxidizing agents after mixing thereof and...
6026889 Single shell boiler  
An improved single shell boiler is provided. The single shell boiler includes a closed vessel for containing a liquid heat transfer medium, with the liquid heat transfer medium having a surface. A...
5775267 Instant hot water boiler structure  
The boiler has on the top thereof, a smoke discharging cover with a water receiving tank, the interior thereof includes an upper combustion chamber and a lower water storage chamber, a water...
5588400 Method of generating steam in a forced-through-flow boiler  
A method and apparatus for generating steam in a forced-through-flow boiler. During operation, water is conveyed through a preheater, an evaporator and, if needed, a superheater. For such a boiler...
5529020 Tube lane pivoting device for nuclear steam generator with superposed elements  
Tube lane blocking is accomplished by a plurality of removable blocks which can be fitted and extracted from the central region, in the inner casing of the steam generator. The blocks are...
5359966 Energy converter using imploding plasma vortex heating  
A heating system for heating a heat sink via a heat transfer medium. The invention includes a vortex chamber having opposite first and second inwardly curved end walls, a combustion chamber fluidly...
5315938 Heat accumulator  
Liquid accumulators which substantially include several or at least one type of energy generation, such as heatable to almost the temperature of fresh air by solar irradiation with the thermal...
5207211 Multiple U-tube down fired water heater  
The top storage tank end wall of a down-fired water heater has a first circumferentially spaced series of circular openings formed therethrough and centered about the tank axis, and a second...
5162104 Apparatus and method for indirectly heating a gas  
A stream of process gas is indirectly heated in an elongated reaction chamber (1) with a longitudinal axis, a first end (12) and a second end (13) and defined by an outside shell (2) and a...
5101772 Heat recovery system  
There is disclosed an apparatus for burning a waste gaseous stream having a residual heating value represented by a heat of combustion of from 50 to 900 BTU/SCF. to heat an intermediate heat...
5069169 Tube-in-shell heating apparatus  
The present invention relates to a heating apparatus having an object to form a construction of high thermal efficiency so that a heat transfer area of a surface to be heated in a heating chamber...
5037510 Integrated water distiller and/or water heater and/or furnace  
An integrated system provides combined space heating, water heating and water distillation. The system is adapted for supplying combined services to residential and commercial buildings. The system...
4938204 Water heater or boiler with improved thermal efficiency  
A water heater/boiler design is shown having a tank with a submergible, pressurized combustion chamber so that all of the heating surfaces of the combustion chamber are submerged under water. The...
4909316 Dual-tube heat pipe type heat exchanger  
Herein disclosed is a dual-tube heat pipe type heat exchanger comprising a heat pipe confined with a working fluid for transferring a heat as a latent heat by repeating evaporations and...
4903641 Method and apparatus for extracting saturated steam in the synthesis of hydrogen chloride gas  
A method and apparatus for generating saturated steam by the combustion of chlorine and hydrogen to produce hydrogen chloride gas includes combusting chlorine and hydrogen to produce hydrogen...
4878533 Vaporization apparatus and method for producing curing gas  
A process for vaporizing a liquid curing agent includes heating the liquid curing agent while it is stored in a container. Heat is delivered to the container by a heated fluid passed through a...
RE33082 Combustion product condensing water heater  
In a water heating system, vapor in the products of combustion gases is condensed in a secondary heat exchanger positioned in a housing with the primary heat exchanger and combustion chamber. The...
4836891 Self-contained oil well salt water concentration system  
A method for concentrating salt water. Salt water is separated from oil-water mixture which has been produced from a well. Salt water is introduced into a recirculating weir and mixed with more...
4730577 Steam generator for thermal recovery system  
A system and method for producing steam for use in a thermal recovery process for crude oil. The system is particularly useful in combination with a cogeneration plant that produces high...
4691666 Liquid heater with closed loop heat transfer system  
A system for heating large volumes of liquid in an industrial or commerical tank. The system includes a gas fired heat generating sender located adjacent the tank, a heating element or receiver...
4674446 Gas dehydrator with gas recovery system  
A heating chamber is provided for receiving well effluent therein including oil, water and gas and a heated chamber is also provided for containing glycol to be heated. Heat exchange coils are...
4633819 Water-sodium steam generator with straight concentric tubes and gas circulating in the annular space  
A steam generator installation comprises an envelope, first and second tube plates defining an intermediate fluid discharge chamber; a bundle of external tubes connected to the tube plate, an...
4633820 High-efficiency thermal group  
A thermal plant comprises a clear blue flame burner and a multi-tank boiler of stainless steel. The burner has a nosepiece welded to the boiler and a rear portion removably fixed to the nosepiece....
4621681 Waste heat boiler  
A system for recovering waste heat from a stream of heated gas is disclosed. The system includes a convection heat transfer chamber, a boiler tank, and a plurality of heat pipes thermally...
4458138 Fast recovery electric fluid  
A high efficiency fast recovery electric fluid heating system includes a closed elongated housing having thermostatically controlled high-wattage electric immersion heating elements extending from...
4425902 Submersible device for heating liquids  
A gas burner associated with a combustion chamber constitutes a fluid-tight removable heating unit immersible in a liquid to be heated. The unit has a caisson including a chamber for premixing and...
4414923 Heat recovery boiler for high pressure gas  
A boiler for generating steam by the recovery of heat from a hot gas stream including an enclosed pressure vessel, a baffle dividing the interior of the vessel into upper and lower compartments,...
4398503 Method and apparatus for metering a feed of hydrogen fluoride vapor  
A boiler for vaporizing liquid hydrogen fluoride has a heat transfer surface arranged to be covered increasingly by the liquid as the liquid level rises so that the heat supplied to the boiler can...
4386583 Moisture separator reheater apparatus  
A moisture separator reheater apparatus having a shell member and a plurality of tube members situated therein with the shell member having a plurality of cycle steam inlets and a plurality of...
4377737 Electrically heated steam boiler for generating superheated steam  
A steam boiler for producing superheated steam directly in the boiler from saturated steam being generated therein includes a plurality of vertical sealed high pressure boiler water heating tubes,...
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...
4360003 Wood burning hot water heater  
A heating device for supplying hot water to home heating systems and hot water faucet outlets in the home includes a combustion chamber which is adapted to burn wood fuel for supplying the...
4346673 Apparatus and method for metering and controlling a feed of hydrogen fluoride vapor  
A boiler for vaporizing liquid hydrogen fluoride has a heat transfer surface arranged to be covered increasingly by the liquid as the liquid level rises so that the heat supplied to the boiler can...
Matches 1 - 50 out of 183 1 2 3 4 >