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| Number | Title | Issue Date |
| 7624690 | Starved air inclined hearth combustor An inclined hearth combustor which generally includes a primary combustion chamber having a plurality of stepped hearths, a secondary combustion chamber in communication with the primary combustion chamber and a boiler having an inlet in communication with the secon... | 12/01/2009 |
| 7426891 | System for converting animal waste into an environmentally friendly energy source A simplified energy producing system that utilizes natural animal waste and/or by-products and converts such waste into a usable clean energy source. The system incorporates a grinder/dehydration system, waste transport, a holding container, fuel air regulator, and ... | 09/23/2008 |
| 7305924 | Apparatus and method for delivery of biomass fuel A method and apparatus for delivering biomass fuel to a structure through an external wall of the structure is disclosed. The apparatus comprises a hopper disposed within a delivery vehicle. The hopper includes an inlet disposed on its top surface to receive biomass... | 12/11/2007 |
| 7128004 | Supplying apparatus for supplying combustible material, a gasification apparatus for gasifying combustible material and method for gasifying combustible material A supplying apparatus supplies a combustible material capable of enhancing the sealing effects of a supplying system for supplying a combustible material, such as combustible wastes, to a fluidized-bed chamber, stably supplies a combustible material having an undefi... | 10/31/2006 |
| 6928936 | Device for feeding pulverized coal to furnace The present invention provides a device for feeding pulverized coal to a furnace, such as a drop tube furnace. The feeding system consists of a feed hopper, a pneumatic vibrator positioned on the periphery of the feeder hopper, a needle valve arrangement in the said... | 08/16/2005 |
| 6739331 | Charcoal dispensing system A charcoal dispensing system for storing and dispensing charcoal. The charcoal dispensing system includes a bin member being designed for receiving and storing charcoal. A dispensing assembly is coupled to the bin member. The dispensing assembly is designed for perm... | 05/25/2004 |
| 6386124 | Waste treatment system A waste treatment system for solidifying and increasing the speed at which manure would dry. The waste treatment system includes support members; and also includes an elongate tubular member being mounted upon the support members and having an inlet end a... | 05/14/2002 |
| 6223737 | Pellet fuel burning device A pellet fuel burner, such as a cooking grill, has a fire box with a generally open top plane. A pellet burner unit is disposed in the fire box below the cooking surface. A pellet feeding device opens into the fire box and is disposed so as to feed pellet... | 05/01/2001 |
| 5941234 | Combustion cage for wood pellet and other solid fuel combustion A combustion cage for pellet fuel is an inclined container having at least one wall surrounding a bottom and a support structure. The surrounding wall and bottom of the container have a plurality of holes throughout imparting a hole-to-surface ratio of at... | 08/24/1999 |
| 5806441 | Automatic carbon black discharging device in waste tire decomposing apparatus An automatic carbon black discharging device for a waste tire decomposing apparatus including a collecting hopper connected to a carbon black discharging portion of the waste tire decomposing apparatus. The automatic carbon black discharging device also i... | 09/15/1998 |
| 5655463 | Apparatus and method for burning waste material A furnace includes a decomposition chamber configured to form a fire pit for controlled decomposition of combustible waste material, a preheat chamber connected to and located generally above the decomposition chamber, and an afterburn chamber operably co... | 08/12/1997 |
| 5485812 | Multiple sources refuel mechanism A refuel mechanism for refueling solids into a reaction chamber, operating at pressure, is described which is capable of premixing several different solid materials before inserting these premixed materials into the reaction chamber. A number of hoppers, ... | 01/23/1996 |
| 5454333 | M/A for feeding hazardous waste fuels with high solids content into a cement kiln A method and apparatus for continuously feeding hazardous waste fuels having a relatively high solids content to a rotary cement kiln by delivering the fuel to a feed hopper with screw-conveyor which transfers the fuel to a filling zone where a piston pum... | 10/03/1995 |
| 5415110 | Refuse incinerator A refuse incinerator includes an installation with two covered hoppers connected at their lower ends by a movable plate to a combustion chamber. A series of plates have been placed in the combustion chamber and have a cadenced movement for moving and oxyg... | 05/16/1995 |
| 5411714 | Thermal conversion pyrolysis reactor system A thermal conversion pyrolysis reactor system (10) is provided for use in providing a continuous flow type pyrolysis reaction for conversion of carbonizable input materials ("MW") (12). The reactor system (10) utilizes a diffusion material ("MD") (14) whi... | 05/02/1995 |
| 5357877 | Feed for particulate burners A particulate delivery system is disclosed for particulate burners in which a hopper is provided for supplying particulate fuel to a hopper discharge opening. A rotating turntable is provided below the hopper discharge opening and includes at least one an... | 10/25/1994 |
| 5261335 | Firebox furnace with automatic feeding system An automatic firebox provided with a fuel hopper that delivers fuel through a pivoting funnel to a grate burning area. The grate burning area is provided with at least one pivoting fuel grate which operates automatically in sequence with the fuel feed and... | 11/16/1993 |
| 5183028 | Burning apparatus with pellet fuel burner A pellet fuel burning apparatus which includes a housing and a display chamber defined within the housing. Window structure enables viewing of the interior of the chamber from outside the housing. Pellet fuel is burned in a zone remote from the display ch... | 02/02/1993 |
| 5144939 | Biomass pellet-burning orchard heaters An orchard heater burns wood or other biomass pellets substantially without the production of soot or smudge. The heater assembly includes demountable, telescoping components including a combustion chamber, a chimney, a firebox, and a hopper. Combination ... | 09/08/1992 |
| 5099769 | Door mechanism A door mechanism for supplying solid fuel to a store of a solid fuel burning appliance has a body defining a transfer chamber having an inlet and an outlet. An inner door is movably mounted to the body for closing the outlet thereof, the inner door normal... | 03/31/1992 |
| 5074225 | Mechanism for feeding solid materials A mechanism for feeding solid material, e.g. wood in a wood-burning furnace, has a pair of rollers. The rollers are rotatably mounted, so as to be generally horizontal and substantially parallel to one another. The rollers are spaced apart to permit the s... | 12/24/1991 |
| 5046643 | Vibratory type storage bin arrangement with internal baffling and low profile bottom A storage bin arrangement especially suited for receiving, storing and discharging, in accordance with a combination of induced vertical flow and impelled retrieving concepts, bulk solid materials, in one embodiment of which essentially the entire bin its... | 09/10/1991 |
| 4991519 | Incinerating furnace An incinerating furnace which utilizes mineral particles as a hearth bed. Hearth particles are supplied and automatically flow down by gravity into the combustion chamber and onto a movable plane member, such as a rotary table, disposed at the bottom of t... | 02/12/1991 |
| 4989521 | Gravity fed pellet burner A gravity operated burner for particulate fuel. Fuel held in a hopper drops downwardly through a fuel tube to fall on an inclined chute. The chute feeds a shelf where burning takes place in a high heat zone. Material on the shelf stops unhindered flow of ... | 02/05/1991 |
| 4941414 | Stove having a rotating feed cylinder for particulate fuel A pellet fired stove has a rotating fuel feed cylinder for reliably and uniformly transporting pellet fuel from a hopper to the stove's combustion chamber. An open upstream end of the rotatable hollow feed cylinder communicates with a hopper containing so... | 07/17/1990 |
| 4878797 | Method and apparatus for correcting the falling path in a loading installation of a shaft furnace The process is intended to compensate for the random movements and inclinations of a loading installation of a shaft furnace having a storage lock chamber which is carried by a framework independent of the shaft furnace and which is connected to the shaft... | 11/07/1989 |
| 4865016 | Automatic log feeder for fireplaces An automatic log feeder for fireplaces is provided which includes an upper horizontal conveyor, an intermediate carriage mechanism and a lower horizontal conveyor. The upper horizontal conveyor is used to store a plurality of logs outside of a building an... | 09/12/1989 |
| 4844289 | Vibratory type storage bin arrangement with low profile bottom and rectilinear discharge chute characteristics A storage bin arrangement especially suited for bulk solid material storing and discharge in accordance with impelled retrieving concepts, in one embodiment of which essentially the entire bin itself is arranged for responding to a circular conveying type... | 07/04/1989 |
| 4829911 | Pollution-free, resource recovery, garbage disposal/fuel burning plant The invention is a method and apparatus for burning combustibles, particularly garbage and coal, in such a manner as to prevent the venting of unwanted pollutants into the atmosphere and for recovering valuable resources. The combustibles are burned in a ... | 05/16/1989 |
| 4812092 | Feed hopper for a loading installation of a shaft furnace The hopper comprises a cylindrical side wall supported by an annular rolling ring so as to be rotatable about its vertical axis, and a funnel shaped bottom with a central outflow orifice controlled by a valve. To allow rapid removal of the rolling ring, t... | 03/14/1989 |
| 4812100 | Rolling track for a rotary hopper The rolling track comprises a series of rollers which are supported by a fixed reinforcement and on which travels the circular pedestal of the hopper. This circular pedestal is equipped with a toothed ring in order to be driven in rotary movement about it... | 03/14/1989 |
| 4782767 | Solid fuel burning stove apparatus This apparatus relates to stoves, to devices for heating that use sawdust, ground corn cobs and other suitable materials gravity fed through a conical truncated feeder-hopper into a firebox. The heat generated raises the temperature of a tubular cylindric... | 11/08/1988 |
| 4774894 | Smokeless burning system and method System and method for burning wood and other fuel materials in a substantially smokeless manner. The fuel material is fed to the inlet end of an inverse pile burning chamber through an air lock chamber having inlet and outlet gates to prevent smoke from e... | 10/04/1988 |
| 4744311 | System for feeding solid particulate material for combustion in a reactor vessel A new and improved system for feeding solid particulate material such as refuse derived fuel for burning in a combustion reactor vessel such as a boiler includes a fuel injector chute having a lower end for directing a flow of said solid particulate mater... | 05/17/1988 |
| 4693189 | Fluidized bed feeder A method and apparatus for fluidizing combustible material and feeding it to the burner of a furnace is disclosed. The apparatus includes a conventional hopper with a tubular element coupled to the lower most portion of a conical portion thereof. A fluidi... | 09/15/1987 |
| 4643109 | Gasification of coal A fixed bed dry bottom coal gasifier has a cylindrical wall providing a gasification chamber for gasifying coal to produce synthesis gas. It also has a coal lock above the chamber. The coal lock has a coal discharge opening leading into the chamber. A gas... | 02/17/1987 |
| 4586443 | Method and apparatus for in-flight combustion of carbonaceous fuels A method and apparatus for combusting solid fuel by introducing a mixture of fuel particles and carrier fluid into a reaction chamber near the center of one end of a combustion chamber and injecting oxidizer gas tangentially into the chamber to establish ... | 05/06/1986 |
| 4571137 | Device for supplying solid fuel to a furnace A device for supplying solid fuel to a furnace comprises a cell wheel (16) for receiving fuel portions in the cells (19) open axially. The cell wheel is rotatably mounted between two stationary end walls (12, 13) forming two openings (20, 21) facing each ... | 02/18/1986 |
| 4543890 | Wood fuel combustion system A furnace adapted to burn wood chips and wood particles and including an inner cylinder adapted to be positioned in horizontal relation and including a primary combustion area. A funnel assembly is provided for supporting a quantity of wood particles and ... | 10/01/1985 |
| 4536120 | Feeding means for feeding solid fuel from a storage silo or equivalent into a solid fuel heating boiler The invention concerns an apparatus for feeding solid fuel from a storage silo or equivalent to a solid fuel-using heating boiler. The feeding apparatus comprises a piston, which has been disposed to carry out a reciprocating motion within a tube which th... | 08/20/1985 |
