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| Number | Title | Issue Date |
| 6280279 | Self-aligning wing A self-aligning wing structure and method of assembly utilizes a main spar formed with spaced apart notch openings. The main spar is positioned on a substantially flat surface for receiving a plurality of ribs formed with leading edge slot openings and tr... | 08/28/2001 |
| 5510085 | Fluidized bed reactor including a stripper-cooler and method of operating same A fluidized bed reactor and method of operating same in which a bed of particulate material including fuel is formed in a furnace section. A stripper-cooler is located adjacent the furnace section for receiving particulate material from the furnace sectio... | 04/23/1996 |
| 5500195 | Method for reducing gaseous emission of halogen compounds in a fluidized bed reactor A method for reducing gaseous emission of halogen compounds in a fluidized bed reactor in which the fine particles entrained in flue gases are used to form a temporary layer of particles on the baghouse filter to absorb halogen gases.... | 03/19/1996 |
| 5489202 | Vibration of systems comprised of hot and cold components A system and method for resisting thermoacoustic oscillations in systems comprised of hot and cold components is disclosed. More particularly, a combined cycle power generation system 32 having a gas turbine 40, a gas turbine discharge duct 34, and a gas ... | 02/06/1996 |
| 5486670 | Pilot probe for orbital welding apparatus An orbital type welding apparatus adapted for use in welding tubes into a tubesheet by an inert gas electric arc welding process. The welding apparatus includes a housing, a rotor rotatably mounted within the housing, and a pilot probe unit extending from... | 01/23/1996 |
| 5471955 | Fluidized bed combustion system having a heat exchanger in the upper furnace A fluidized bed combustion system in which a fluidized bed of particulate fuel material is established in a furnace. A duct is formed in the upper portion of said furnace for passing a mixture of flue gases and entrained particulate fuel material to a sep... | 12/05/1995 |
| 5469698 | Pressurized circulating fluidized bed reactor combined cycle power generation system A combined cycle power generation system incorporates a carbonizer and a pressurized fluidized bed reactor for the generation of fuel gas and flue gases, respectively. A combustor is provided for the combustion of the fuel gas in the presence of the flue ... | 11/28/1995 |
| 5469699 | Method and apparatus for generating electrical energy utilizing a boiler and a gas turbine powered by a carbonizer An apparatus and method for generating electrical energy utilizing a boiler and a gas turbine powered by a carbonizer. A carbonizer is provided which produces low-Btu gases which are passed to a gas turbine for driving the turbine, and a char which is pas... | 11/28/1995 |
| 5463968 | Fluidized bed combustion system and method having a multicompartment variable duty recycle heat exchanger A fluidized bed combustion system and method in which a recycle heat exchanger is located adjacent the furnace section of the recycle heat exchanger. Heat exchange surfaces are provided in a compartment of the recycle heat exchanger for removing heat from... | 11/07/1995 |
| 5464597 | Method for cleaning and cooling synthesized gas A method and apparatus for treating gas introduced into a vessel containing a particulate material at a temperature less than that of the gas in a manner so that said material reduces the temperature of the gas and the gas entrains at least a portion of t... | 11/07/1995 |
| 5461990 | Mounting and linkage system for burners in a furnace A mounting and linkage system for mounting an air or air-fuel discharge device for pivotal and axial movement relative to a furnace in a manner so that the device is isolated from the walls of the furnace. The system includes a linkage apparatus extending... | 10/31/1995 |
| 5462718 | System for decreasing NOx emissions from a fluidized bed reactor A system and method are disclosed for lowering NOx levels in flue gases of a fluidized bed reactor using selective non-catalytic reduction. A reactor is connected to a separator by a duct, and a reactant is introduced into the duct for decreasi... | 10/31/1995 |
| 5443022 | Fluidized bed reactor and method utilizing refuse derived fuel An apparatus and method of operating a fluidized bed reactor for combusting refuse derived fuel is disclosed. The reactor includes a fluidized furnace section 30 and stripper/cooler section 80. A downwardly sloping grid 28 extends across the furnace secti... | 08/22/1995 |
| 5440871 | Circulating fluidized bed reactor combined cycle power generation system A combined cycle power generation system and method in which a fluidized bed reactor is incorporated in a combined cycle system to recover heat from the hot exhaust gases from the gas turbine and to drive a series of steam turbines. Additional heat is pro... | 08/15/1995 |
| 5425331 | Circulating fluidized bed reactor for low grade fuels A fluidized bed reactor in which a plurality of air bars are supported by a plurality of tubes in an upright enclosure. The air bars support a bed of particulate material and discharge air into the bed to fluidize the material. A cooling fluid is passed t... | 06/20/1995 |
| 5417811 | Closure device for upper head of coking drums A closure device adapted for attachment onto the upper head of a coking drum to prevent hot vapors escaping during drum decoking operations. The closure device includes a cylindrical-shaped housing having a rotatable ball valve and horizontal elongated st... | 05/23/1995 |
| 5408943 | Split stream burner assembly A burner assembly in which an annular passage is provided for transporting an fuel/air mixture to a furnace inlet. A conical divider member is disposed within the annular passage for dividing the stream of fuel/air passing through the passage into two rad... | 04/25/1995 |
| 5395596 | Fluidized bed reactor and method utilizing refuse derived fuel An apparatus and method of operating a fluidized bed reactor for combusting refuse derived fuel is disclosed. The reactor includes a fluidized furnace section 30 and stripper/cooler section 80. A downwardly sloping grid 28 extends across the furnace secti... | 03/07/1995 |
| 5392736 | Fludized bed combustion system and process for operating same A fluidized bed combustion system and process is disclosed, in which full load stoichiometry is maintained at lower loads. The system and process includes an enclosure and a partition disposed in the enclosure to define a furnace section and an overfire a... | 02/28/1995 |
| 5390612 | Fluidized bed reactor having a furnace strip-air system and method for reducing heat content and increasing combustion efficiency of drained furnace solids A fluidized bed reactor having a furnace strip-air system and method for reducing heat content and increasing combustion efficiency of drained furnace solids in which a bed of particulate material is supported in a furnace section. A portion of the bed re... | 02/21/1995 |
| 5375408 | Combined-cycle power generation system using a coal-fired gasifier An integrated gasification combined cycle power generation system in which a carbonaceous material, such as coal, is gasified combusted in a gasifier to provide synthesis gas which mixes with ash produced as a result of the gasification. The mixture is co... | 12/27/1994 |
| 5372791 | Fluidized bed system and a fluidization and cooling nozzle for use therein A fluidized bed system in which a plate is disposed in an enclosure and is adapted to support particulate material. A nozzle is supported by the plate for receiving air and water and directing the air and water and into the particulate material to fluidiz... | 12/13/1994 |
| 5366255 | Expansion seal assembly An expansion seal assembly for sealingly connecting first and second conduits which experience relative thermal expansion and contraction due to the flow of hot material through the conduits. The conduits each comprise a plurality of hollow tubes integral... | 11/22/1994 |
| 5365889 | Fluidized bed reactor and system and method utilizing same A fluidized bed reactor and system and method utilizing same for the combustion of waste fuels in which the reactor vessel is divided into three vessels. Waste fuel is introduced into the fluidized bed within one vessel where it is mixed with bed make-up ... | 11/22/1994 |
| 5355725 | Method for determining the mass flow rate of solids in a cyclone separator for a fluidized bed reactor The present invention is directed to a method for determining the mass flow rate of solids in a cyclone separator having an inlet for receiving a mixture of solids and gases and an outlet for discharging the separated gases. The method includes measuring ... | 10/18/1994 |
| 5349813 | Vibration of systems comprised of hot and cold components A system and method for resisting thermoacoustic oscillations in systems comprised of hot and cold components is disclosed. More particularly, a combined cycle power generation system 32 having a gas turbine 40, a gas turbine discharge duct 34, and a gas ... | 09/27/1994 |
| 5347954 | Fluidized bed combustion system having an improved pressure seal A fluidized bed combustion system in which a separator receives a mixture of flue gases and entrained particulate material from a fluidized bed in a furnace. A pressure seal valve, in the form of two ducts, connects an outlet of the separator to the furna... | 09/20/1994 |
| 5347937 | Split stream burner assembly A burner assembly in which an annular passage is provided for transporting an fuel/air mixture to a furnace inlet. A conical divider member is disposed within the annular passage for dividing the stream of fuel/air passing through the passage into two rad... | 09/20/1994 |
| 5347953 | Fluidized bed combustion method utilizing fine and coarse sorbent feed A fluidized bed combustion method utilizing fine and coarse sorbent feed to control the temperature of a cooling fluid such as water or steam circulating through a fluid flow circuit of a fluidized bed combustor. Fuel particles, such as coal, along with r... | 09/20/1994 |
| 5344632 | Method for reducing sulfur oxides emissions in a combustion process A method for reducing sulfur oxides emissions in a combustion process in which flue gases containing entrained fuel and sorbent particles are humidified so that the sulfur oxides are absorbed on the sorbent particles to reduce the discharge of the sulfur ... | 09/06/1994 |
| 5344614 | Reactor for reducing sulfur oxides emissions in a combustion process A reactor for reducing sulfur oxides emissions in a combustion process in which flue gases containing entrained fuel and sorbent particles are humidified so that the sulfur oxides are absorbed on the sorbent particles to reduce the discharge of the sulfur... | 09/06/1994 |
| 5339774 | Fluidized bed steam generation system and method of using recycled flue gases to assist in passing loopseal solids A fluidized bed steam generation system and method in which recycled flue gases are used to assist in passing solid particulate material from the separator, through the loopseal, and back into the furnace. The solid particulate material separated in the c... | 08/23/1994 |
| 5340275 | Rotary throat cutoff device and method for reducing centrifugal fan noise A rotary cutoff device for reducing noise generated by the impeller blading of rotating centrifugal fans. The rotary device includes a casing partially enclosing a rotor mounted near the centrifugal fan discharge opening. The rotor containing a plurality ... | 08/23/1994 |
| 5333838 | Blade damper with extensions to reduce boundary leakage A blade damper for use in fluid flow control devices having damper blades mounted on an axle and having extension ears mounted at opposite ends of the damper blades. The extension ears are mounted in a 90 degree relationship to the damper blades and are s... | 08/02/1994 |
| 5327726 | Staged furnaces for firing coal pyrolysis gas and char A pyrolyzer unit and two-staged furnaces are provided in a compact furnace assembly for combusting coal to generate power. Coal is reacted in the pyrolyzer to produce a clean hot fuel gas and char. The hot fuel gas is combusted in the first-stage furnace,... | 07/12/1994 |
| 5325796 | Process for decreasing N2 O emissions from a fluidized bed reactor Emissions of nitrous oxide (N2 O) are lowered in a fluidized bed reactor utilizing two-staged combustion. A lower region of the furnace section is operated under substoichiometric conditions so that combustion in the lower region is incomplete,... | 07/05/1994 |
| 5325823 | Large scale fluidized bed reactor A fluidized bed reactor in which partitions disposed within a vessel form first and second furnace sections, first and second troughs and a heat exchange section such that the first trough is disposed between the first furnace section and the heat recover... | 07/05/1994 |
| 5314008 | Fluid-cooled jacket for an air-swept distributor A fluid-cooled jacket formed by a plurality of panels surrounding and cooling the inlet portion of an air-swept distributor, a component of a fluidized bed reactor system. Each panel contains inlet and outlet tubes, inlet and outlet headers, and a heat ex... | 05/24/1994 |
| 5311844 | Internested superheater and reheater tube arrangement for heat recovery steam generator A heat recovery steam generator (HRSG) which contains multiple superheater and reheater tube units, each unit including an upper and lower header connected pressure-tightly together by a plurality of vertically-oriented tubes provided in alternate paralle... | 05/17/1994 |
| 5299532 | Fluidized bed combustion system and method having multiple furnace and recycle sections A fluidized bed combustion system and method in which a plurality of enclosures, each having a furnace section and integral recycle section are joined using common walls. Openings are provided in lower portions of the common walls for permitting the fluid... | 04/05/1994 |
