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| Number | Title | Issue Date |
| 7422429 | Heat exchange furnace and its manufacturing process A heat exchange furnace includes a combustion furnace module, a passageway module disposed around and connected removably to the combustion furnace module, and a gas-guiding unit including upper and lower guiding modules connected respectively to upper and lower end... | 09/09/2008 |
| 7393206 | Heat exchange furnace with serpentine gas flow path disposed within heat exchange space A heat exchange furnace includes a surrounding wall disposed around a combustion furnace unit so as to define an annular heat exchange space therebetween. Upright buffer plates divide the heat exchange space into a plurality of air chambers communicated with each ot... | 07/01/2008 |
| 7155917 | Apparatus and methods for converting a cryogenic fluid into gas Method and apparatus for vaporizing cryogenic fluids in which an intermediate heat transfer fluid is first heated across a heat transfer surface with ambient air, and then the heat transfer surface provides heat to vaporize the cryogenic fluid. ... | 01/02/2007 |
| 7096675 | Device for a combustion chamber in a gas turbine for controlling the intake of gas to a combustion zone A device for a combustion chamber of a gas turbine for controlling the intake of gas into the combustion zone of the combustion chamber. The device includes a control element that is arranged outside the combustion chamber. This control element has a first covering ... | 08/29/2006 |
| 7093441 | Gas turbine annular combustor having a first converging volume and a second converging volume, converging less gradually than the first converging volume A gas turbine engine combustor has inboard and outboard walls. A forward bulkhead extends between the walls and cooperates therewith to define a combustor interior volume. In longitudinal section, a first portion of the combustor interior volume converges from fore ... | 08/22/2006 |
| 7047722 | Small scale hybrid engine (SSHE) utilizing fossil fuels This invention describes a miniaturized hybrid diesel-electric engine formed by a closed-loop system powered by plasma-aided combustion of JP-8 fuel (or other hydrocarbon fuels) working in tandem with a vapor cycle utilizing miniaturized expanders and condensers. Th... | 05/23/2006 |
| 7043921 | Tube cooled combustor An innovative cooling tube assembly is disclosed for use in cooling the liner of a combustor in a gas turbine engine. Each cooling tube has a serpentine shape that conforms to the contour of the liner as the tube extends from one end of the combustor to the other to... | 05/16/2006 |
| 6527548 | Self powered electric generating space heater A self-powered space heater. At least one thermoelectric module is sandwiched between a hot surface of a combustion chamber of a fluid fired space heater and a room air-cooled heat exchanger for transferring heat from the space heater to room air. A blowe... | 03/04/2003 |
| 6296480 | Circulating oil heater A fluid heater has concentrically disposed radiantly heated and convectionally heated sections. The radiantly heated section includes a helically coiled tube defining a cylindrical chamber in which a flame produced by a burner primarily radiantly heats th... | 10/02/2001 |
| 6238207 | Portable gas burner Portable turner for combustion of a gaseous fuel comprising an elongated combustion chamber (1), the front end of which is open and the back end of which is closed with a back (2) and that is connected partly with a fuel gas conduit (4) and partly with a ... | 05/29/2001 |
| 6183241 | Uniform-burning matrix burner Computer simulation was used in the development of an inward-burning, radial matrix gas burner and heat pipe heat exchanger. The burner and exchanger can be used to heat a Stirling engine on cloudy days when a solar dish, the normal source of heat, cannot... | 02/06/2001 |
| 6139315 | Recuperator for furnaces A recuperator for furnaces includes a set of tubes, which are installed in a secondary chamber (1) which is located behind a main combustion chamber of the furnace and through which hot fumes can pass from the main combustion chamber towards an outlet. Th... | 10/31/2000 |
| 6044837 | Intertwined helical heat exchanger A combustion and heating chamber into which a fluid is pumped under pressure is provided. A burner is positioned in the combustion and heating chamber to provide a heat load to the pressurized fluid in the chamber. As the fluid is heated its internal pres... | 04/04/2000 |
| 5743728 | Method and system for multi-stage calcining of gypsum to produce an anhydrite product A method and system for calcining gypsum to recover gypsum in a form consisting essentially of calcium sulfate anhydrite is disclosed. The method includes the steps of feeding the ground gypsum material into a first kettle and heating the ground gypsum in... | 04/28/1998 |
| 5196062 | Arrangement for holding and cooling work pieces positioned next to one another An arrangement for holding and cooling bearing shell blanks (2) positioned one next to the other during a coating process in a vacuum chamber, has cooling body and work piece holding pairs (3) which are detachable from each other and which are connected t... | 03/23/1993 |
| 4944645 | Method and apparatus for loading objects into evacuated treating chamber In a method and apparatus for depicting a circuit pattern on an article such as a semiconductor wafer, glass mask or a reticle supported by a stage in an evacuated casing with an electron beam, the article is disposed in a magazine contained in a sealable... | 07/31/1990 |
| 4891009 | Apparatus for holding workpieces In an apparatus for mounting workpieces or substrates for transport between a receiving or issuing station and a coating station in the interior of a vacuum coating chamber and for the control of the temperature of the workpieces during cathode sputtering... | 01/02/1990 |
| 4731017 | Radiation heating apparatus A radiation heating apparatus comprising a heating zone, a zone to be heated, a gas non-permeable boundary member defining the boundary between the two zones, and a porous radiator member provided in the heating zone, wherein a high-temperature gas is for... | 03/15/1988 |
| 4652725 | Method and apparatus for heating a first gas flow with a second gas flow The invention relates to a method and an apparatus for heating up a first gas-flow with a second gas-flow. The first gas-flow is caused to flow along a wall in a cylindrical chamber as a rotating gas-flow and the second gas-flow is caused to flow centrall... | 03/24/1987 |
| 4642049 | Process for preheating a combustive gas by means of combustion gases and preheating device associated with a burner for carrying out the said process The present invention relates to a process and a device for preheating by combustion gases, a combustive gas intended to be mixed with a combustible gas before its combustion, comprising a box member containing a first, upper vertical exchanger in which t... | 02/10/1987 |
| 4589844 | Heat exchange apparatus for industrial furnaces A heat exchanger for heating air supplied to a burner is described. The heat exchanger includes two passages. One of the passages provides a channel through which combustion gas is exhausted from the burner while the other passage provides a channel throu... | 05/20/1986 |
| 4568425 | Pyrolysis machine and process A pyrolysis unit in which feed materials containing cellulose or oil are subjected to destructive heating to drive off gases and liquid vapors while leaving solid residue in the form of nearly pure carbon. The feed materials are conveyed in succession thr... | 02/04/1986 |
| 4560349 | Heat recuperator and method for use with gas-fired furnace using nozzle or pre-mix burners A heat recuperator and a method for recuperating heat from a furnace having a nozzle-mix burner to enhance the efficiency of combustion of one or more burners associated with the furnace. The recuperator comprises an exhaust tube which is connectable to a... | 12/24/1985 |
| 4531908 | Ceramic burner head A ceramic burner head in which the burner mouth is formed from a unitary porous ceramic body with parallel slits defining fuel-permeable walls between and which is bonded to upper, lower and lateral ceramic plates forming the burner body. The ceramic piec... | 07/30/1985 |
| 4475294 | Process for drying and curing wire insulation using heat exchange and apparatus therefor An energy efficient method of drying and curing insulation on wire, especially magnet wire, is disclosed. Heated gases are used separately to dry and cure a curable insulating coating such as a phenolic resin. Gases exhausted from the drying and curing op... | 10/09/1984 |
| 4460334 | Recuperator There is provided an improvement in a recuperator of the type having an elongated flow passage defined by an inner heat exchanger wall wherein the flow passage has a selected cross-sectional shape, a lower hot gas entrant end adjacent the gas outlet of a ... | 07/17/1984 |
| 4448578 | Curing oven for enameled wire and control system therefor The specification discloses a curing oven (10) and a control system (120) therefor. The oven (10) includes a heat exchanger (70) which preheats process air from the work chamber (36) before thermal oxidation. A separate recirculating fan (78), mixing box ... | 05/15/1984 |
| 4393925 | Stove pipe heat extractor A heat extractor for picking up waste heat from flue gases is disclosed. The extractor attaches to the stove pipe of a furnace or stove. Air is introduced into the extractor in a spiral flow pattern which is reversed after the air is heated. Air flows int... | 07/19/1983 |
| 4384850 | Recirculating air heater A recirculating air heater for an oven is fired by a burner and connected with the oven by a return air duct and an outlet duct. The return air duct has two sets of louvers for admitting controlled amounts of return air to a combustion chamber and a burne... | 05/24/1983 |
| 4375959 | Waste heat recovery in asphalt mixing plant In an asphalt mixing plant, a portion of the heat used to vaporize water in the process of drying aggregate is recovered by conducting dryer exhaust gases through parallel ducts which extend serially through the aggregate cold feed bins. These parallel du... | 03/08/1983 |
| 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 |
| 4364726 | Ceramic burner head with separate fuel and oxidizer passages A burner head of ceramic materials through which the fuel (combustible) and the oxidizing agent (oxygen or oxygen-containing gas such as air) are passed from an inlet side to an outlet side, combustion being effected at the outlet side. According to the i... | 12/21/1982 |
| 4363623 | Casings for heat exchangers and burner/recuperator assemblies incorporating such casings The invention provides a protective casing for a cube-shaped modular ceramic heat exchanger core, in which the core can easily be installed without danger of leakage between the fluid paths of the core, either while the device is new as its temperature ch... | 12/14/1982 |
| 4362500 | Unit for combustion of process exhaust gas and production of hot air Unit for thermal incineration of non-explosive gases with minor amounts of organic pollutants and for production of hot air, and which can be adapted to various types of supplementary fuel. There is a combustion chamber which consists of a flame pipe insi... | 12/07/1982 |
| 4349332 | Crown vents A combination comprising a recuperator, a crown vent and a furnace having a crown vent opening is supplied, the crown vent extending upwardly into the recuperator and downwardly beneath the wall of the crown vent opening.... | 09/14/1982 |
| 4327704 | Orchard heater Provided is an orchard heater adapted especially to radiate heat directly to the bole and middle portions of the trees, the heater comprising an upright, generally elongated and cylindrical combustion chamber having formed therein a vertically extending l... | 05/04/1982 |
| 4324545 | Recirculating heater for processing oven A recirculating processing oven heater (10) disclosed includes first and second flow paths (22,26) with an internal heat exchanger (36) located downstream from a burner (24) and upstream from a conical mixing member (28) that deflects gas from the first p... | 04/13/1982 |
| 4279592 | Heat exchanger for pre-heating intake air for rotary dryer A pre-heating chamber of transversely arcuate shape adapted to be mounted above a longitudinal portion of a rotary dryer chamber adjacent the combustion chamber of a drying apparatus for drying aggregate, such as used in the manufacture of asphalt paving ... | 07/21/1981 |
| 4255136 | Furnace for heat treatment of wire materials A furnace for the heat treatment of wire materials, comprising a cylindrical furnace body having holes at both ends through which a wire material is inserted into and out of the furnace body, a combustion chamber formed within the furnace body, a burner p... | 03/10/1981 |
| 4244421 | Process and an apparatus for cooling of waste gas bends Process of cooling waste gas bend and apparatus for carrying out same, said process comprising removing concentrated heat at said bend by feeding coolant at an adjustable pressure through cooling channels longitudinally disposed along a selected sector of... | 01/13/1981 |
