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| Number | Title | Issue Date |
| 7044618 | Motion sensitive light and battery assembly switched on and off by the oscillation of a helical spring A light emitting diode having a helical spring around one of its leads. The spring extends so that it has a free end which is cantilevered. As the free end of the spring moves it completes an electrical circuit intermittently lighting the light emitting diode. ... | 05/16/2006 |
| 6659024 | Powdery fuel combustion apparatus A powdery fuel combustion apparatus disposed on furnace side plane (7) of vertical square body type furnace in which a vertical plane passing through a fuel jetting directional axis (8) does not cross the furnace side plane orthogonally, and thus the work... | 12/09/2003 |
| 6561894 | Clean box, clean transfer method and apparatus therefor Using a clean box 30 which includes a box body 31 having an annular groove 33 for suction surrounding a side aperture 32 and an intake/exhaust port 34 in communication therewith, a side lid 35 for closing the aperture 32 while being sucked by a pressure d... | 05/13/2003 |
| 6460472 | Fluidized bed material, method for its production, and method in a fluidized bed process A fluidized bed material including mineral particles of a gabbro class or darker rock type. The rock type includes several minerals and having a quartz content of 5 wt-% or less. The particles are made by comminuting a gabbro class or darker rock type. A ... | 10/08/2002 |
| 6378447 | Furnace with liquid-cooled grate elements and cooling circuit The furnace with liquid-cooled grate elements has an inflow and a return to these grate elements, the inflow and the return being connected to a condensation device open to the atmosphere. The inflow has arranged in it a U-shaped cooling-liquid seal, one ... | 04/30/2002 |
| 6368104 | Rotary hearth furnace An improved rotary hearth furnace having a cylindrical enclosure containing a radially moving belt for transporting pellets containing metal oxide and carbon is disclosed. One or more oxy-fuel burners preferably having a flat flame shape are positioned so... | 04/09/2002 |
| 6351895 | Method for making drying more effective The invention relates to a method for making the drying of materials, particularly finely divided materials, more effective, in which method, of a slurry containing liquid and solids there is made a filter cake (2,12,22) onto the surface of the filter med... | 03/05/2002 |
| 6330980 | Dry installation of a radiant floor or wall hydronic heating system, metal radiating plates that attach to the edges of side-by-side boards and provide metal slots for holding hot water tubing In a hydronic heating system including a heating element that is a length of tubing that conducts water and is against a radiating metal plate, all mounted in a floor, wall or ceiling, the element being held by two spaced apart providing an elongated spac... | 12/18/2001 |
| 6331141 | Fluid extraction apparatus A fluid extraction apparatus comprises a passage 20 for the pumped flow therealong of a first fluid, for example air. A fluid flow area control device in the form of an apertured plug 22 is present in the passage. An inlet 26 to the passage 20 is provided... | 12/18/2001 |
| 6321690 | Device, system and method for on-line explosive deslagging A device, system and method permitting on-line explosives-based cleaning and deslagging of a fuel burning facility such as a boiler, furnace, incinerator, or scrubber. A coolant, such as ordinary water, is delivered to the explosives to prevent them from ... | 11/27/2001 |
| 6302039 | Method and apparatus for further improving fluid flow and gas mixing in boilers This invention improves fluid flow, gas mixing and combustion in the furnaces of recovery boilers which burn liquor from various pulping processes, namely, the kraft process, the soda process, the sodium-based sulphite process, the closed-cycle CTMP (chem... | 10/16/2001 |
| 6298795 | Mounting device for the movable part of a cooling or heating grate A mounting device for supporting the movable part of a cooling or heating grate, while permitting the movable part to oscillate in the feed direction. The mounting device comprises a plurality of leaf springs connected by transmission members. The upper a... | 10/09/2001 |
| 6289827 | Process for the control of ash accumulation and corrosivity associated with selective catalytic reduction technology A process for the utilization and strategic addition of ash modifying compounds, into selective catalytic reduction units, to modify the resultant ash chemistry to control ash accumulation and corrosive effects of the combustion products, and problems ass... | 09/18/2001 |
| 6286443 | Method for treating combustibles by slagging combustion The present invention relates to a method for treating combustibles by slagging combustion, such as municipal wastes, plastic wastes, sewage sludges, or automobile wastes. Combustibles and oxygen-containing gas are supplied to a slagging combustion furnac... | 09/11/2001 |
| 6283748 | Continuous pusher furnace having traveling gas barrier A continuous pusher furnace includes a product carrier assembly forming a traveling gas barrier. The product carrier assembly comprises a pusher plate disposed to receive product thereon and a gas barrier extending upwardly from the pusher plate. The peri... | 09/04/2001 |
| 6279494 | Method and apparatus for operation control of melting furnace An operation control method and apparatus are provided for a melting furnace 1 having a supply opening 2 for incineration ash 6, a discharge opening 3 for molten slag 7, and a heat source 9 for applying an amount of heat to the supplied incineration ash. ... | 08/28/2001 |
| 6279491 | Method of treating exhaust gas A method of removing dioxins from an exhaust gas, including the steps of introducing gamma-alumina into a stream of the dioxin-containing exhaust gas, and sorbing dioxins on the gamma-alumina.... | 08/28/2001 |
| 6279493 | Co-combustion of waste sludge in municipal waste combustors and other furnaces A system and method for treating, injecting and co-combusting sludge in a municipal waste or other combustor is disclosed. The system includes a sludge receiving and treatment module and a sludge injection and combustion module. The sludge is received and... | 08/28/2001 |
| 6276286 | Compression device for feeding a waste material to a reactor A compression device for feeding a waste material to a reactor includes a waste material feed assembly having a hopper, a supply tube and a compression tube. Each of the supply and compression tubes includes feed-inlet and feed-outlet ends. A feed-dischar... | 08/21/2001 |
| 6276287 | Iron compound catalyst for inhibiting generation of dioxin and incineration process of municipal solid waste using the same An iron compound catalyst for inhibiting the generation of dioxin of the present invention, comprise iron oxide particles, iron oxide hydroxide particles or mixed particles thereof having a catalytic activity capable of converting not less than 15 % of ca... | 08/21/2001 |
| 6273008 | Chlorinated hydrocarbon waste incinerator and valorization of chlorinated residuals process unit A closed-loop process for incinerating chlorinated hydrocarbon-containing material without the emission of air borne pollutants. The chlorinated hydrocarbon-containing material is incinerated, preferably in the substantial absence of air, thereby producin... | 08/14/2001 |
| 6273009 | Method for automatized combustion and combustion apparatus A method for automatized combustion of solid fuel in a combustion apparatus which comprises a burner with a device, which is rotatable about the center axis of the burner for stirring the fuel in the burner which is connected to a boiler and has a feeding... | 08/14/2001 |
| 6269754 | Steam generator for superheated steam for incineration plants with corrosive flue gases The invention relates to a steam generator (1) for superheated steam for incineration plants with corrosive flue gases, essentially comprising a radiation section (2) and a convection section (5), having at least one superheater (8) and having plates (10)... | 08/07/2001 |
| 6269755 | Burners with high turndown ratio Various burner configurations for combustion of a particulate fuel such as sawdust, and many types of varying moisture content biomass fuels such as poultry litter. The burners exhibit a high turndown ratio. the burners include a housing defining an uprig... | 08/07/2001 |
| 6263909 | Valve assembly A valve assembly for a hydraulic discharge device and including a piston displaceable in a bore of a housing of the discharge device against a biasing force and having an outer surface, which sealingly engages an inner wall of the housing bore and blocks ... | 07/24/2001 |
| 6264550 | Clean room and method of remodeling clean room The present invention is to provide a method of remodeling an existing clean room building into a clean room which satisfies a new required specification. A working room (11) is expanded by removing a wall (29) between the working room (11) and a general ... | 07/24/2001 |
| 6260571 | Inflation valve assembly for liferafts A raft inflation valve has an elongated valve body with first and second ends, and a center bore. A cylindrical member has first and second ends slidably mounted in the center bore. A spring urges the cylindrical member towards the first end of the valve ... | 07/17/2001 |
| 6260490 | Burner isolation valve for pulverized fuel systems A burner isolation valve or gate for use in the coal-delivery pipes of coal-fired power plants. Safety regulations often require that two valves be placed in the coal delivery line between a combustion chamber and an exhauster or pulverizer type deliver s... | 07/17/2001 |
| 6260491 | Nozzle for feeding combustion providing medium into a furnace A nozzle for feeding combustion maintaining medium into a furnace at high temperature conditions includes a nozzle tip, at least partly protruding into the furnace, and a feeding mechanism for feeding the combustion medium from a source of the medium to t... | 07/17/2001 |
| 6257157 | Refuse incineration plant and exhaust gas filtration system and method for use therewith A refuse incineration plant is disclosed which utilizes a continuous rail system to transport refuse from a loading area into a burn core, from the burn core to an ash removal area, and back to the refuse loading area. Smoke and exhaust generated by the i... | 07/10/2001 |
| 6257155 | Curved blade by-pass damper with flow control A damper vane assembly for controlling the flow of flue gas between a flue gas pass of a combustion vessel which generates flue gas and a selective catalytic reactor operable to catalytically treat flue gas in a combustion system is provided. The damper v... | 07/10/2001 |
| 6257156 | Wind box for a chemical recovery furnace The present document describes a wind box used in the air supply of a chemical recovery furnace, the wind box comprising a frame (1) having at least one air inlet opening (2) and at least one air supply opening (3) through which air is led from an air cha... | 07/10/2001 |
| 6254474 | Operating device for a ventilation system in a vehicle The invention relates to a control unit for a ventilation arrangement in a vehicle. The control unit is designed to indicate and initiate supply of an air flow to at least three intake air regions in the vehicle, which regions may include a defroster regi... | 07/03/2001 |
| 6250236 | Multi-zoned waste processing reactor system with bulk processing unit A preferred waste treatment system and method employs multiple reactor zones for processing heterogeneous waste. In one embodiment, the reactor system (10) includes the following components: first (12) and second (14) solid waste feed subsystems; a liquid... | 06/26/2001 |
| 6250235 | Method and product for improved fossil fuel combustion A method of treating a fossil fuel for combustion, which includes heating the fossil fuel and an additive in a combustion zone. The additive contains a lime flux that lowers the melting point of lime sufficiently so that lime in the combustion zone melts ... | 06/26/2001 |
| 6247416 | Method of operating a furnace and device for implementing the method The invention relates to a method of operating a furnace (1) comprising a flue pipe (11) for discharging the smoke, means (19) of introducing ambient air into the said flue pipe (11) and a smoke extractor (16) arranged in the said flue pipe (11). Accordin... | 06/19/2001 |
| 6244197 | Thermal induced cooling of industrial furnace components Chimney-like cooling passages that have opposite outlet and inlet end regions open to ambient air also have central regions that extend through heated components of industrial furnaces. The passages preferably are defined by conduits that are oriented and... | 06/12/2001 |
| 6244198 | Method and equipment for pyrolytic treatment of organic material The present invention refers to a method and an equipment for pyrolytic treatment of organic material comprising a supply storage receiving the organic material to be treated, a number of containers with meshlike walls, each to be charged with a batch of ... | 06/12/2001 |
| 6244195 | Safety incinerator for rubbish in volume and flammable waste This invention is a mass incinerator for burning various rubbishes (life rubbishes, industry wastes, hospital rubbishes and like) and flammable wastes (hospital wastes, poison material and like) under high temperature atmosphere. In particularly; to an in... | 06/12/2001 |
| 6243970 | Stack of lumber having low resistance to airflow therethrough and associated method A stack of lumber that can be efficiently dried includes a plurality of layers of lumber that are arranged one above the other and extend longitudinally and laterally. Each layer of lumber includes a first edge that extends in the longitudinal direction a... | 06/12/2001 |
