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| Number | Title | Issue Date |
| 6390668 | Blackbody source using a heat pipe principle and transition region A source of thermal radiation for calibrating or testing infrared thermometers or detectors, in which improved temperature uniformity of the radiation-emitting surface is achieved by supplying heat to that surface by condensation of a working fluid as in ... | 05/21/2002 |
| 4636169 | Unit for regenerating the heat produced by exhaust gases in movable hearth furnaces used for baking or rebaking carbonaceous materials A unit for regenerating the heat produced by exhaust gases in movable hearth baking furnaces not altering the operating conditions of the furnace and not causing any damage thereto, either obtaining steam or heating at high temperature diathermic oil to b... | 01/13/1987 |
| 4574744 | Waste heat boiler system, and method of generating superheated high pressure steam A waste heat boiler system includes a vertically elongated waste heat boiler having an upper portion with a waste gas inlet and a lower portion with an exhaust line connection which in addition to its vapor generating tubes includes evaporator tube nests ... | 03/11/1986 |
| 4424024 | Bulk curing with solid fuel Apparatus for bulk curing tobacco comprising a barn having a heat exchanger therein defining interior flow paths for heated water and exterior heat exchange surfaces disposed within the curing air flow path within the barn, hot water storage tank unit, a ... | 01/03/1984 |
| 4371150 | Sintering plant A sintering plant of the type sintering raw materials, such as pulverized ores, while transporting them with a conveyor, in which quicklime is fed to the lower layer of the raw materials on the conveyor so that SOx produced during sintering pro... | 02/01/1983 |
| 4362504 | Apparatus for manufacturing a rapidly cooled solidified gas having rotating cooling drum An apparatus for manufacturing a rapidly cooled solidified slag, which comprises: at least one rotating cooling drum rotating around a horizontal center axis thereof, said cooling drum being cooled by a cooling medium, and having an outer peripheral surfa... | 12/07/1982 |
| 4346758 | Heat exchanger for cooling slag-containing gases from coal gasification A tube bundle heat exchanger having an additional tube bottom with insertion tubes arranged in the inlet chamber upon the inlet side of the hot gases for the tubes located between the tube bottoms of the tube bundle. The additional tube bottom is arranged... | 08/31/1982 |
| 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 |
| 4212628 | Recovery furnace safety system During a clean-out period when black liquor supply lines to paper pulp mill recovery furnace fuel spray guns are circulated with purge water or when black liquor firing is interrupted due to low consistency solids, the removal and unauthorized insertion o... | 07/15/1980 |
| 4197085 | Gas injectors for fluidized beds In an injector for supplying gas into a fluidized bed, a distributor having a plurality of spaced elements located within a particulate material forming a fluidized bed to extend generally transversely therein.... | 04/08/1980 |
| 4105397 | Bark burning system Green bark particles are conveyed slowly downward through a drying chamber countercurrently to rising hot combustion gases in a surrounding annular combustion zone. Bark discharges from the bottom of the drying chamber as fuel into the combustion zone. Ho... | 08/08/1978 |
| 4052148 | Integrated reaction process A process in which a substance undergoes endothermic change within a predetermined temperature range in at least one stage of the process and is subsequently subjected to a substantially higher temperature in a further stage of the process, characterised ... | 10/04/1977 |
| 4050884 | Slag waste heat boiler A process for absorbing the heat from the cooling and solidification of metallurgical slags and converting of said heat into a useful form of energy such as steam. The molten slag is poured against a moving heat-transfer surface and is cooled by contact w... | 09/27/1977 |
