Did You Know...
...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8091515 | Heat exchanger for hot air generator and boiler A heat exchanger includes at least one exchanger module, including a combustion chamber for the generation of an exchange fluid, a slotted wall for the passage of the exchange fluid and an expulsion chamber for the exchange fluid provided with a discharge flue. Said... | 01/10/2012 |
| 7784434 | Heat exchange element and heating system provided with such heat exchange element The invention relates to a heat exchange element intended for a central heating boiler, which heat exchange element is designed as a monocasting from substantially aluminum, the heat exchange element being provided with walls which bound a water-carrying channel, an... | 08/31/2010 |
| 7431225 | Methods of operating a liquid vaporizer The present invention is generally directed to a vaporizer with positive liquid shut-off. In one illustrative embodiment, the vaporizer is comprised of a body, a liquid inlet and a carrier gas inlet coupled to the body, a nozzle positioned within the body, the nozzl... | 10/07/2008 |
| 7360507 | Energy saving apparatus An energy saving apparatus is described. The energy saving apparatus is attached to a standard gas-powered water heater. All gas-powered water heaters typically have an air vent which vents hot air from the water heater. The apparatus takes advantage of this fact by... | 04/22/2008 |
| 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 |
| 7334419 | Heat pump water heater A heat pump water heater system including a water storage tank and a heat exchange system. The heat exchange system includes a heat absorber positioned below the water storage tank and a heat rejecter in fluid communication with the heat absorber and positioned with... | 02/26/2008 |
| 7309395 | System for forming composite polymer dielectric film A system for depositing a composite polymer dielectric film on a substrate is disclosed, wherein the composite polymer dielectric film includes a low dielectric constant polymer layer disposed between a first silane-containing layer and a second silane-containing la... | 12/18/2007 |
| 7258081 | Compact water vaporizer for dynamic steam generation and uniform temperature control A compact cylindrical vaporizer for simultaneous reduction of a reformate stream temperature and generation of a process stream is disclosed. The vaporizer utilizes counter flowing nested tubular portions that spiral between an outer section of the vaporizer and a c... | 08/21/2007 |
| 7234512 | Heat exchanger with internal baffle and an external bypass for the baffle A shell and tube heat exchanger has at least one baffle to support the tubes within the casing of the heat exchanger, wherein the baffle intersects the inner casing wall along a substantial portion of the arc. The baffle has a bypass through which flows at least a p... | 06/26/2007 |
| 7195059 | Heat exchanger and method of performing chemical processes A heat exchanger including a passageway having an internal passage adapted to form a first flow path, and an array of conduits having internal passages that collectively form a second flow path. The conduits extend through the internal passage of the passageway, and... | 03/27/2007 |
| 7162864 | Method for control of NOx emission from combustors using fuel dilution A method of controlling NOx emission from combustors. The method involves the controlled addition of a diluent such as nitrogen or water vapor, to a base fuel to reduce the flame temperature, thereby reducing NOx production. At the same time, a gas capable of enhanc... | 01/16/2007 |
| 7140328 | Miniature vaporizers for use with chemical converters and energy devices A miniature vaporizer for effectively vaporizing a process fluid (e.g., a liquid media) in small energy system applications, such as systems employing chemical reformers and fuel cells. The vaporizer of the present invention can employ a heating medium, such as a ho... | 11/28/2006 |
| 7114669 | Methods of operating a liquid vaporizer The present invention is generally directed to a vaporizer with positive liquid shut-off. In one illustrative embodiment, the vaporizer is comprised of a body, a liquid inlet and a carrier gas inlet coupled to the body, a nozzle positioned within the body, the nozzl... | 10/03/2006 |
| 7100356 | Heat recovery apparatus with aerodynamic diffusers A sound attenuating duct unit suitable for connection to an outlet of a gas turbine and an improved heat recovery apparatus for use with such a turbine are disclosed. The former unit includes a duct housing having exterior sides, an air inlet at one end and first an... | 09/05/2006 |
| 7059134 | Gas seal apparatus and method for use in cogeneration applications A cogeneration system having a gas turbine generator (10) that provides combustion air via an exhaust to a heat recovery steam generator (13) has a gas-seal stack (19) coupled there between. The gas-seal stack (19) prevents substantial po... | 06/13/2006 |
| 6997403 | Liquid vaporizer with positive liquid shut-off The present invention is generally directed to a vaporizer with positive liquid shut-off. In one illustrative embodiment, the vaporizer is comprised of a body, a liquid inlet and a carrier gas inlet coupled to the body, a nozzle positioned within the body, the nozzl... | 02/14/2006 |
| 6951456 | Microcombustor and combustion-based thermoelectric microgenerator A generally toroidal counterflow heat exchanger is the main element of a combustor that operates at a micro scale. The combustor includes a central combustion region with openings to a reactant gas channel and an exhaust gas channel. The reactant channel and exhaust... | 10/04/2005 |
| 6948455 | Finned tube heat exchanger and method A high efficiency heat exchanger is shown which can be incorporated into a finned tube water heater. The heat exchanger has a pair of flow manifolds each having a water inlet and a water outlet and a series of connecting openings. Circular flow tubes have connecting... | 09/27/2005 |
| 6827046 | System and method for converting a liquid into a vapor A system and method for converting a liquid into a vapor are described. The system includes a housing, a liquid receptor disposed within the housing for accepting the liquid, a liquid inlet for delivering the liquid from outside the housing to the liquid receptor, a... | 12/07/2004 |
| 6823821 | Combustion method and apparatus for NOx reduction Combustion method and apparatus for NOx reduction are capable of easily achieving NOx reduction to an exhaust NOx value of 30 ppm or under. The combustion method is to perform in combination a first NOx reduction step for ... | 11/30/2004 |
| 6772712 | Energy system A low-pressure energy system is provided that includes a combustion chamber immersed in water within an insulated container. Low-pressure air flow is introduced into one end of the combustion chamber. Fuel, sparks and water are also introduced to the combustion cham... | 08/10/2004 |
| 6688261 | Heating system for liquids A heater comprises an enhanced-surface area heat transfer vessel which is situated co-axially in a hot flue gas plenum. The plenum is formed by dual-wall heating jacket. Liquid flowing through the jacket is heated co-currently by the flue gas before the p... | 02/10/2004 |
| 6675746 | Heat exchanger with internal pin elements A heat exchanger/heater comprising a tubular member having a fluid inlet end, a fluid outlet end and plurality of pins secured to the interior wall of the tube. Various embodiments additionally comprise a blocking member disposed concentrically inside the... | 01/13/2004 |
| 6668762 | Indirect fired process heater An indirect fired process heater apparatus and method. The apparatus includes a toroidal shell having an outer cylinder and an inner cylinder forming a fluid tight enclosure. A plurality of helical heat transfer coils have transfer fluid passing therethro... | 12/30/2003 |
| 6666172 | Energy system A low-pressure energy system is provided that includes a combustion chamber immersed in water within an insulated container. Low-pressure air flow is introduced into one end of the combustion chamber. Fuel, sparks and water are also introduced to the comb... | 12/23/2003 |
| 6606969 | Tubular oven A thermal processing plant having heating tubes that are arranged in a zigzag or undulating line in an oven chamber. Burners generate a gas stream which is directed against a wall of the oven opposite the wall in which the burners are positioned. The burn... | 08/19/2003 |
| 6497199 | Catalytic combustion heat exchanger A catalytic combustion heater having, in a fuel gas flow passage in which an inflammable gas- and combustion support gas-containing fuel gas flows, tubes in which an object fluid to be heater flows, and an oxidation catalyst provided on outer surfaces of ... | 12/24/2002 |
| 6397787 | Catalytic combustion heater A catalytic combustion heater having, in a fuel gas flow passage in which an inflammable gas- and combustion support gas-containing fuel gas flows, tubes in which an object fluid to be heater flows, and an oxidation catalyst provided on outer surfaces of ... | 06/04/2002 |
| 6352054 | Catalytic combustion heater A catalytic combustion heat exchanger includes a fuel gas passage and a number of tubes, which are located in the fuel gas passage. Fuel gas flows in the fuel gas passage. An object fluid, which is heated by the heat exchanger, flows in the tubes. Fins, w... | 03/05/2002 |
| 6334411 | High efficiency, glass-lined, combination space and hot water heater A combination space and hot water heater is comprised of an inner tank having an outer casing spaced therebout with insulation being interposed between the casing and the inner tank. The inner tank has a glass-lined inner surface and a heater is provided ... | 01/01/2002 |
| 6318305 | Water-tube boiler The invention provides a water-tube boiler which allows further NOx reduction and CO reduction with a simple construction of the boiler body and the burner itself. The water-tube boiler includes a first water tube array made up of a plurality of first wat... | 11/20/2001 |
| 6295980 | Composite polymer manifold for water heating unit A header for a heat exchanger having a plurality of parallel hollow tubes mounted between a pair of flat mounting plates and defining a plurality of passages through the plates. The header comprises a tubular elongated body portion having an outer surface... | 10/02/2001 |
| 6269782 | Water-tube boiler Boiler efficiency is further improved and the whole boiler body is slimmed down by totally improving heat transfer surfaces confronting gas flow passages, i.e., by forming the heat transfer surface structure into three stages, and moreover by making effec... | 08/07/2001 |
| 6253715 | Water-tube boiler A water-tube boiler which allows further NOx reduction and CO reduction to be implemented with an uncomplicated construction of the boiler body itself, and which is improved in boiler efficiency. The water-tube boiler includes a first water tub... | 07/03/2001 |
| 6170440 | Gas fired booster The invention is a gas fired water booster comprising a holding tank, a centrifugal pump, an infrared burner enclosed by a woven ceramic fiber sleeve, a primary and a secondary heat exchanger, and a gas/air supply source. Preferably, the tank and the burn... | 01/09/2001 |
| 6167846 | Catalytic combustion heater Multiple heat-receiving fluid passages, through which heat-receiving fluid flows, are arranged in layers in a fuel gas passage provided in a container. Multiple fins, on which an oxidation catalyst is carried, are provided on outer peripheries of the heat... | 01/02/2001 |
| 6161506 | Pulsed air combustion high capacity boiler A pulsed combustion high capacity boiler has air inlet flapper valves at an inlet air decoupler toward a combustion chamber, with a fuel supply and an ignitor upstream of the combustion chamber along a flow path. The combustion chamber is immersed in a wa... | 12/19/2000 |
| 6116196 | Water-tube boiler In a water-tube boiler in which pollutant (especially NOx) emissions are reduced, a plurality of water tubes arranged in an annular shape are provided. At least some of the water tubes thereof are spaced apart along an annulus so as to provide a plurality... | 09/12/2000 |
| 6105538 | Waste heat boiler with variable output A self-regulating exhaust gas boiler intended for the recovery of thermal energy from the exhaust gases of diesel engines or the like, has a steam/water cylinder acting as the water and steam space. There is a convection part acting as the vaporizer and b... | 08/22/2000 |
| 6101984 | Fluid heater and method of heating fluid A fluid heater, comprising a tank having an inner chamber for accommodating a fluid to be heated, a heat exchanger having a tube bundle and a shell surrounding the tube bundle, the shell being introduced in the tank so that a wall of the shell is in conta... | 08/15/2000 |
