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| Number | Title | Issue Date |
| 4432286 | Combustion pinhole camera system A pinhole camera system utilizing a sealed optical-purge assembly which provides optical access into a coal combustor or other energy conversion reactors. The camera system basically consists of a focused-purge pinhole optical port assembly, a conventiona... | 02/21/1984 |
| 4430949 | Shavings--or chips--fired burner unit for heating boilers The invention relates to a burner unit for shavings or chips. It is particularly intended for firing with raw shavings or raw chips in a boiler (1). It is provided with a stoker apparatus (2) for feeding the shavings or chips to the boiler. It has further... | 02/14/1984 |
| 4422067 | Dynamic self-checking safety circuit means A safety circuit which connects a condition responsive circuit to a cyclic signal detecting circuit. In order to provide the cyclic signal detecting circuit with a continuous cyclic input, the condition responsive circuit and a cyclic redundancy checker i... | 12/20/1983 |
| 4378555 | Method and apparatus for monitoring unburned particulate accumulation in the exhaust duct of a combustion system The unburned particulate accumulation within the exhaust for a combustion system, such as the liner of a flue for a stove, is monitored by a circuit which receives a temperature indicating signal from a thermo couple mounted within the flue. The circuit i... | 03/29/1983 |
| 4373998 | Ascension pipe heat shield A heat shield for hot vertical pipes and, in particular, coke oven ascension pipes. This heat shield includes a lower, open-bottomed cylindrical housing section which peripherally encloses the pipe. Vertically projecting from this housing is an arcuate wa... | 02/15/1983 |
| 4312279 | Compactor-feeder for solid waste incinerator Converging upper and lower conveyors transport loose waste from a receiving hopper toward an incinerator combustion chamber entrance at an adjustably predetermined normal rate, cooperating to compact the waste into a continuous plug and to force the plug ... | 01/26/1982 |
| 4308809 | Solid waste disposal system A method of operating a waste disposal system for the thermal conversion of municipal and industrial solid wastes into essentially pollution free products of combustion is disclosed. The waste disposal system includes a building enclosure having an interi... | 01/05/1982 |
| 4295129 | System condition indicator A system condition indicator for monitoring a number of interlock switches and fuel valves to detect what event first occurs to shut down a burner control system. The monitoring circuitry is periodically strobed once each cycle of the power line signal an... | 10/13/1981 |
| 4270466 | Method and apparatus for rendering an ignitable fuel-oxygen mixture inert Method and apparatus for operating a process in which combustible solid particles are mixed during processing with air and circulated through a plurality of stages, thereby tending to build up an oxygen enriched combustible mixture during shutdown, the in... | 06/02/1981 |
| 4193354 | Solid waste disposal system A waste disposal system for the thermal conversion of municipal and industrial solid wastes into essentially pollution free products of combustion is disclosed. The waste disposal system includes a building enclosure having an interior storage area for ac... | 03/18/1980 |
| 4187833 | Venting system for gas-fired heating plants A venting system for gas fired heating plants including a diverter box, conduit means for conducting gas from one heating plant upwardly in one leg of an inverted U pattern and downwardly into the second leg of such pattern while admitting air at the bott... | 02/12/1980 |
| 4133720 | Support apparatus for a battery of underjet coke ovens Studs projecting downwardly from the decking carrying a battery of underjet coke ovens, all received in recesses in support walls which extend only in a parallel direction to the heating walls for the over chambers. Dampers are provided between the studs ... | 01/09/1979 |
