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| Number | Title | Issue Date |
| 7291854 | Radiation attenuation corridor A radiation attenuation corridor couples a radiation therapy room and a control room. The radiation attenuation corridor is made of a material that substantially absorbs ionizing radiation and substantially blocks the transmission of the ionizing radiation. Specific... | 11/06/2007 |
| 7287934 | Stratum disposal monitoring system In monitoring a stratum disposal field for wastes, running tubes installed in the vicinity of a gallery or disposal holes, in a nearby rock bed, or within a gallery support or buffer members in the disposal holes have installed therein a movable monitoring device pr... | 10/30/2007 |
| 6923043 | Method and device for detecting a leak in a heat exchanger, especially a plate-type heat exchanger The invention relates to a device for detecting a leak between two circuits of a plate-type heat exchanger (1) provided with means for filling two circuits with fluid at a different pressure, characterized in that said device comprises automatic control means... | 08/02/2005 |
| 6840765 | Multi-layered heat treatment furnace, heat treatment unit, and method of heat treatment There is provided a heat treatment unit which uses a multi-layered heat treatment furnace (1) comprising a layer of fluidized bed (2) composed of particles and another layer of atmosphere layer (3) composed of gases, the former being excellent i... | 01/11/2005 |
| 6210157 | Fuel reformer combustion process A regenerative furnace without flue gas circulation to the regenerator beds is heated by combusting synthesis gas with an oxidant. The synthesis gas is produced from steam and methane in a first regenerator bed, heated in the previous cycle while a second... | 04/03/2001 |
| 6183243 | Method of using nuclear waste to produce heat and power A method of using nuclear waste material and exploiting heat generated by radioactive decay of said radioactive waste, comprising the steps of incorporating solid nuclear waste into glass, ceramic, or cementitious blocks, covering the blocks in heat absor... | 02/06/2001 |
| 5888063 | Method and apparatus for quick purging a multiple bed regenerative fume incinerator A method of quick purging beds of a regenerative fume incinerator which is practically applicable for use in 2, 3 and 4 bed incinerators. For a very short purge period near the end of an operating time cycle, the bed being switched from receiving impure g... | 03/30/1999 |
| 5762010 | Method and device for processing waste having a calorific value A thermal method for continuously processing waste having a calorific value and any degree of moisture, wherein waste is put in a flow of hot, heat-resistant, heat-exchanging material which is warmer than 100° C. The heat exchanging material cools due to... | 06/09/1998 |
| 5217373 | Limiting the presence of the oxides of nitrogen in regenerative heating systems The presence of the oxides of nitrogen in the exhaust gas leaving a regenerator is limited by injecting water or water vapour into the regenerator 1 during its firing phase and causing the water or water vapour to reach the combustion chamber 26 of the re... | 06/08/1993 |
| 5184951 | Regenerative thermal oxidizer An apparatus having an incineration chamber and at least one burner for oxidizing fumes is provided. First and second regenerators are in fluid communication with the incineration chamber, as is a bypass which introduces unburnt fumes to the incineration ... | 02/09/1993 |
| 5052921 | Method and apparatus for reducing NOx emissions in industrial thermal processes Nitrous oxide emissions are reduced in an industrial thermal process and system which operates a gas fired burner at substantially sub-stoichiometric conditions to produce products of combustion rich in combustibles and control flame temperatures at tempe... | 10/01/1991 |
| 4986749 | Method for determining a leak in a breast wall of a regenerative heat recuperator The method is to determine a leak in a breast wall of a regenerative heat recuperator having a combustion chamber and a heat storage chamber containing a heat storage medium adjacent to the combustion chamber and separated therefrom by a breast wall. The ... | 01/22/1991 |
| 4957430 | Limiting the presence of the oxides of nitrogen in regenerative heating systems The presence of the oxides of nitrogen in the exhaust gas leaving a regenerator is limited by injecting water or water vapor into the regenerator 1 during its firing phase and causing the water or water vapor to reach the combustion chamber 26 of the rege... | 09/18/1990 |
| 4923391 | Regenerative burner A method of combusting fuel in a furnace having a pair of regenerative burners, each burner having a combustion chamber and a regenerative bed having an exhaust means incorporated therewith introducing simultaneously into said combustion chamber of each b... | 05/08/1990 |
| 4828483 | Method and apparatus for suppressing NOx formation in regenerative burners A method and apparatus for repressing NOx formation in twinned regenerative burner pairs includes inducing a stream of hot flue gas, preferably containing enriched products of combustion, from the main hot flue gas exhaust stream and vitiating the preheat... | 05/09/1989 |
| 4812117 | Method and device for pre-heating waste metal for furnaces This invention relates to a method and a device for pre-heating waste metal for furnaces, fuel gases generated in a furnace (1) being supplied simultaneously or sequentially to two pre-heating places (3, 4) with waste metal containers (14), said flue gase... | 03/14/1989 |
| 4807695 | Regenerator for a regenerative heating system A regenerator for a regenerative heating system comprises a chamber 2 for storing a heat storage bed in the form of discrete particles 45, a closable inlet 16 for introducing fresh particles into the chamber 2 to replace contaminated particles and a closa... | 02/28/1989 |
| 4655436 | Method and apparatus for recovering and reusing energy from a melting furnace A heat recovery and storage system for use in connection with a melting furnace. In such system, heat from the exhaust gas of a melting furnace is recovered and used to preheat scrap metal and to maintain such preheated scrap metal in its preheated form u... | 04/07/1987 |
| 4615768 | Vapor generating and recovery apparatus including continuous conveying means through a vapor zone An apparatus for vaporizing a liquid and condensing the vapor includes at least one chamber in which the liquid is vaporized and at least one chamber in which the vapor is condensed. The apparatus has a conveyor inlet channel preferably at one end of the ... | 10/07/1986 |
| 4592723 | Process for reusing scrap glass A method of removing coatings from scrap glass is disclosed. The scrap glass is milled in the presence of particulate batch, preheated and fed to a glass melting furnace. The particulate batch aids in the milling of the scrap glass. The process removes th... | 06/03/1986 |
| 4488870 | Method for firing article or the like The present invention relates to a method for the continuous firing of green ceramic articles, such as capacitors. In accordance with the invention a mixture of articles to be fired and heat resistant particulate matter in selected proportions is caused t... | 12/18/1984 |
| 4478574 | Scrap preheating system for an electric furnace This disclosure relates to a system for preheating scrap before charging in an electric furnace and for preventing the release of malodorous or noxious gas. The system includes a first duct leading from the furnace exhaust gas outlet to a chimney; a branc... | 10/23/1984 |
| 4444554 | Heating method and apparatus Method and apparatus for heating materials such as metal rods whereby hot combustion gases are blown against the material and allowed to pass through a gas-permeable partition located inside the heating apparatus so that the partition is heated to radiate... | 04/24/1984 |
| 4422847 | Preheating glass batch A method and apparatus for preheating particulate glass batch comprises a rotatable drum for mixing the batch with particulate heat transfer media in a heat transfer relationship where the batch is separated from the media in a media exit vestibule having... | 12/27/1983 |
| 4421734 | Sulfuric acid-sulfur heat storage cycle A method of storing heat is provided utilizing a chemical cycle which interconverts sulfuric acid and sulfur. The method can be used to levelize the energy obtained from intermittent heat sources, such as solar collectors. Dilute sulfuric acid is concentr... | 12/20/1983 |
| 4410373 | Process for heat treatment of a metal workpiece A process for heat treatment of a metal workpiece, such as a casting (steel, aluminum based alloy or white cast iron). The casting is heated in a fluidized particulate bed (sand) to a relatively constant first temperature. Then, the casting is held (e.g.,... | 10/18/1983 |
| 4375958 | Method for preheating steel scrap by exhaust gas from steelmaking electric furnace A method for preheating steel scrap by an exhaust gas from a steelmaking electric furnace, which comprises: directing, when manufacturing steel from steel scrap in an electric furnace, an exhaust gas produced in said electric furnace to an exhaust gas com... | 03/08/1983 |
| 4358291 | Solid state renewable energy supply A solid state renewable energy supply is provided by the oxidation of a passivating oxide forming solid state material in the presence of oxygen under the control of a passivating oxide preventing agent forming thereby an oxide reaction product, heat and ... | 11/09/1982 |
| 4313722 | Fluid shielded burner tip for use with a glass melting furnace A burner tip for passing fuel into a glass melting chamber having a fuel passageway and discrete cooling fluid passageways therein for cooling and shielding the burner tip from attack by a hostile gaseous chamber environment. A ceramic collar member is pr... | 02/02/1982 |
| 4299561 | Recovery of heat from flue gas A system for recovering heat from combustion flue gas, which transfers heat from the flue gas into combustion-supporting air, which is then used to burn a fuel in a combustion zone in a furnace or the like, so that useful heat is generated and a hot combu... | 11/10/1981 |
| 4242084 | Air pollution control and heat recovery system for industrial ovens A system of air pollution control and heat recovery is provided for an arrangement of industrial ovens, especially for drum manufacture. A plurality of paint bake ovens of various capacities, lengths and heat input are provided for multi-stage processing in th... | 12/30/1980 |
| 4188185 | Method and apparatus for the treatment of particulate materials A process and apparatus for treating materials, such as solid, particulate material, wherein the particulate material is introduced into a heat transfer medium, the density of such medium being different from that of the particulate material and the tempe... | 02/12/1980 |
| 4141797 | Method of operating a battery of coke ovens The operation of a battery of coke ovens with regenerative change of draught on heating flues includes adjustably controlling the combustion of gases in the heating flues to insure uniform vertical heating of the coking coal in the coke oven chambers. Con... | 02/27/1979 |
| 4088180 | Regenerator flow control In a regenerative furnace of the type used for melting glass, localized overheating of the regenerator packing is minimized, heating of the regenerator packing is made more uniform, and regenerator efficiency is improved by employing a movable baffle in t... | 05/09/1978 |
| 4021192 | Furnace system for and method of melting and preheating metal This invention provides a furnace system for and method of melting metal charges which utilizes hot gases generated by a burner, and are ordinarily discharged from the furnace as waste, for the dual purpose of preheating metal to be subsequently melted an... | 05/03/1977 |
| 3947240 | Method and apparatus for generating a vapor for soldering fusing or brazing articles A heat transfer liquid having a boiling point at atmospheric pressure at least equal to the temperature at which a soldering, fusing or brazing operation is to be performed, is floated on a pool of a liquifiable metal having a density greater than, a melt... | 03/30/1976 |
