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| Number | Title | Issue Date |
| 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 sink is comprised of a storage tank. The apparatus is comprised of a hea... | 11/30/2010 |
| 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 a plurality of heat receivi... | 01/19/2010 |
| 7428883 | Heat exchanger and water heater A heat exchanger A1 includes a coiled tube 60 including a plurality of loops 60a, and a space 35 surrounded by the coiled tube 60 and having an end closed by a partition 19. The heat exchanger is so designed that comb... | 09/30/2008 |
| 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 selected process to supply heat to the process. One particularly usefu... | 07/01/2008 |
| 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 portion of the combustion chamber. The arrangement structure of heat exchan... | 04/08/2008 |
| 7319814 | Heat conducting assembly for a water heater, and method for making the heat conducting assembly In a heat conducting assembly for a water heater and a method for making the heat conducting assembly, there is provided a heat-conductive housing which has inner wall surfaces that cooperate to confine a sealed chamber. A heat-conductive unit is disposed in the sea... | 01/15/2008 |
| 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 a feed material comprising a compound containing at least carbon and ... | 06/19/2007 |
| 7192271 | Method and cooling device for the subracks in a chamber furnace The invention relates to a ring furnace pit (2) cooling method, comprising the production of a flux F of cooling fluid inside the pit (2) and the flow of at least a part Fr of said flux F in a roughly vertical manner along determined surfaces of the wa... | 03/20/2007 |
| 7066396 | Method and apparatus for enhanced heat recovery from steam generators and water heaters A heating system having a steam generator or water heater, at least one economizer, at least one condenser and at least one oxidant heater arranged in a manner so as to reduce the temperature and humidity of the exhaust gas (flue gas) stream and recover a major port... | 06/27/2006 |
| 7013842 | Water heating chamber system A system that is used for converting polluted gases into a heat source for production of hot water. The system provides a combustion chamber, an incinerator chamber and mixing and/or water-heating chamber all of which are in-line with each other and contained within... | 03/21/2006 |
| 7007858 | Compact boiler with tankless heater for providing heat and domestic hot water and method of operation A small and compact boiler for providing hot water for indoor heating and domestic hot water and method of operation are provided. The boiler includes a three way valve configured to circulate boiler water through a heating circuit when indoor heat is required, and ... | 03/07/2006 |
| 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 relates to a conversion unit for a steam injection boiler, a method for co... | 01/31/2006 |
| 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 regulated so as to maintain the temperature of the heated water exiting the... | 01/10/2006 |
| 6647932 | Compact boiler with tankless heater for providing heat and domestic hot water A small and compact boiler for providing hot water for indoor heating and domestic hot water and method of operation are provided. The boiler includes a three way valve configured to circulate boiler water through a heating circuit when indoor heat is req... | 11/18/2003 |
| 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 overall size of the vaporizer more compact. The intermedia... | 04/09/2002 |
| 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 a first heat exchanger to be heated by flue gases of the b... | 11/28/2000 |
| 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 first bundle of heat source tubes is located in the closed... | 02/22/2000 |
| 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 storage tank is provided between the boiler wall and the combust... | 07/07/1998 |
| 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 operated with waste heat, the evaporator is divided into a... | 12/31/1996 |
| 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 superposed in a stack resting on the tube plate, and are immobilize... | 06/25/1996 |
| 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 communicating with the vortex chamber, fuel-air supply me... | 11/01/1994 |
| 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 supply of circulation heat, by refuse combustion with the reco... | 05/31/1994 |
| 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 circumferentially spaced series of circular openings centered ab... | 05/04/1993 |
| 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 thermally conductive inner wall (4). The inner wall defines at lea... | 11/10/1992 |
| 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 transfer fluid, and to use the thus heated heat transfer fluid t... | 04/07/1992 |
| 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 may be made small so as to miniaturize the whole equipment,... | 12/03/1991 |
| 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 may be used in retrofitting existing space heating furnac... | 08/06/1991 |
| 5033414 | 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 transfer fluid, and to use the thus heated heat transfer fluid t... | 07/23/1991 |
| 4987954 | Fuel reactor A fuel reactor particularly adopted for the efficient combustion of wood and wood-product fuels includes a core comprised of an inner fuel tube and an outer gas tube. Fuel is introduced into one end of the fuel tube and the combustion process is initiated... | 01/29/1991 |
| 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 products of combustion are routed from the submerged combus... | 07/03/1990 |
| 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 condensations. The heat pipe includes an outer tube which is disposed... | 03/20/1990 |
| 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 chloride gas in an elongated synthesis oven having an upper seg... | 02/27/1990 |
| 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 jacket which at least partially surrounds the storage containe... | 11/07/1989 |
| 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 concentrated brine. Brine is recirculated through a thermal s... | 06/06/1989 |
| 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 temperature process steam. The system uses a central steam drum-sepa... | 03/15/1988 |
| 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 means located in the tank, and a closed loop heat transfer ci... | 09/08/1987 |
| 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 disposed in the chambers and are serially connected in a loop ... | 06/23/1987 |
| 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 internal tube being arranged within each external tube, a liqui... | 01/06/1987 |
| 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. The rear portion of the burner includes a labyrinth pathwa... | 01/06/1987 |
| 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 interconnecting the convection heat transfer chamber with the boile... | 11/11/1986 |
