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| Number | Title | Issue Date |
| 7392753 | Process and apparatus for disposal of wastes An apparatus 1 for disposal of wastes comprises a measuring hopper 2 for measuring a charging amount of a waste to be disposed such as domestic wastes, industrial wastes or the like or a charging amount of a solid fuel such as coke, coal or the like, a... | 07/01/2008 |
| 7318431 | Biomass fuel burning stove and method A biomass pellet burning stove has a hopper storing biomass pellets which are transported from the hopper to a feeder tube with a rotating disc having slots for holding biomass pellets and allowing the biomass pellets to move from the slots into a feeder tube which ... | 01/15/2008 |
| 7284550 | Burn pot for furnace A method of combusting a fuel in a burn pot includes forming an ash column within the burn pot, and removing a portion of the ash column. The burn pot includes a first sidewall portion, a second sidewall portion, and a translatable plate interposed between the first... | 10/23/2007 |
| 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 |
| 6928935 | Incinerator pre-fill chamber An incinerator pre-fill chamber for installation on an incinerator for burning combustible material which allows the operator to continuously re-fill the container of the incinerator with new combustible material while the contents within the container is burning. T... | 08/16/2005 |
| 6802268 | Device for discharging dust from a dry dust collector of a blast furnace A device for discharging dust from a dry dust collector of a blast furnace includes a dust discharge vent located downstream of a dust discharge opening of the dry dust collector. A fully enclosed dust conveying system is located downstream of the dust discharge val... | 10/12/2004 |
| 6722294 | Method and apparatus for feeding a pulverized material An apparatus and method are provided for feeding a pulverized material which includes a first storage container for receiving and for discharging a flow of the pulverized material. The apparatus includes a separation chamber attached to the first storage container, ... | 04/20/2004 |
| 6382112 | Chute of a feed system for a refuse incineration plant having a cutting apparatus The chute is provided with a cutting apparatus which has a mating holder, a clamping slide and a cutting slide. To close the chute, the mating holder is moved inward approximately into the center of the chute and is locked. Then, the clamping slide is mov... | 05/07/2002 |
| 6293208 | Method of installation of supply of air of solid and pulverized fuel burner In a method of supplying air to a pulverized solid fuel burner passing through the burner cowl of a furnace, the fuel is dried and then conveyed by means of a given large quantity of hot air, which may or may not be depleted in oxygen in a separator in wh... | 09/25/2001 |
| 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 |
| 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 |
| 6170411 | Waste tire incinerating and post-treating system A waste tire incinerating and post-treatment system in which waste tires are continuously and efficiently burned. The system includes a waste tire reservoir tank, a hoist, a conveyor system, a tire-size sensing system, an incinerating part, a waste oil pu... | 01/09/2001 |
| 6067979 | Combustion system A combustion system includes a primary combustion chamber divided into left and right sides by fuel-retaining standards defining a canyon or void extending into a secondary combustion chamber is provided. The floor of the primary combustion chamber and th... | 05/30/2000 |
| 6021723 | Hazardous waste treatment method and apparatus A method and apparatus for heat treating of hazardous waste by heating the waste in a pyrolyzing chamber and forming an off-gas, heating the off-gas for a sufficient time to destroy dioxins and furans, then reducing and cooling the off-gas in a secondary ... | 02/08/2000 |
| 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 |
| 5725738 | Method and apparatus for producing wood charcoal by pyrolysis of wood-like products or vegetable biomasses in general A method and apparatus for producing wood charcoal by pyrolysis of wood products or vegetable biomasses in general, the method including the steps of: loading the wood products, or vegetable biomasses in general, onto transport trolleys; introducing the t... | 03/10/1998 |
| 5517929 | Thermal treatment device for loose materials Device for thermally treating loose materials, such as earth, sand, sewage sludge, gravel etc, and, in particular, for sterilizing garden soil and sand used for playing with. The device has a reception device with a surface arrangement having at least one... | 05/21/1996 |
| 5331943 | Wood pellet stove A wood pellet stove comprising a body, a burning means, a heat exchanger means, a waste gas exhaust means, a feeding means, a cleaning means and a control system. The burning means includes a seat member, a container, a bottom member, a top member, two fi... | 07/26/1994 |
| 5295474 | Combustion grate with rods for pellet fueled stove Stoves fueled by biomass pellets are provided with a grate assembly that supports the pellets for combustion and directs combustion gas into the fire. The grate assembly includes a passive grate of unequally spaced rods. The design of the rods serves to p... | 03/22/1994 |
| 5148798 | Stove for burning solid fuel A stove for burning solid fuel, such as coke or coal, comprises a feed hopper for storing a stock of fuel and a supporting member for supporting fuel present in a fireplace. The feed hopper is in communication near its lower side with the space incorporat... | 09/22/1992 |
| 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 |
| 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 |
| 4836115 | Vertical furnace A down-draft, gravity fed, bio-mass, solid fuel burning stove or furnace comprises an upright cylindrical housing having a top cover and a fire resistant openable air-tight floor. Fuel drops onto the center of the floor through a central feed tube where i... | 06/06/1989 |
| 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 |
| 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 |
| 4787321 | Solid waste conversion plant The present invention is directed to a solid waste conversion plan for the conversion of such solid waste as old tires to a gas or liquid hydrocarbon product, wherein the partial pyrolysis of the solid waste is carried out in a reactor having a grate in t... | 11/29/1988 |
| 4747355 | Combustion apparatus and method of generating gas A first stage, sub-stoichiometric reaction chamber (12) reacts a carbon-based fuel with an oxygen-carrying gas to produce a combustible gas, heat, and residual ash. A rectangular grate (B) supports a fuel pile (34) in the reaction chamber. A fuel supply (... | 05/31/1988 |
| 4718360 | Metering Feeder A metering feeder for delivering solid fuels, such as municipal or industrial refuse, for combustion includes a pair of generally vertically arranged hoppers. An upper hopper containing relatively compacted or intertangled fuel discharges metered amounts ... | 01/12/1988 |
| 4699069 | Boiler or furnace A boiler has a cylindrical body separated into two chambers by a transverse inner water chamber. A fuel magazine leads to one of the chambers, while a cyclone with a flue leads from the second chamber, the two chambers being connected by a sinuous combust... | 10/13/1987 |
| 4688544 | Self loading wood burning stove A self loading wood burning stove is provided and consists of a storage bin, a fire box and a conveyor for delivering automatically logs individually from the storage bin to the fire box.... | 08/25/1987 |
| 4686913 | Refuse derived fuel delivery system and distribution conveyors Apparatus for feeding solid waste material to one or more chargers of the type for forcing solid waste material into a furnace or boiler. An elongated auger housing is mounted above the chargers and includes a plurality of openings along its length and fo... | 08/18/1987 |
| 4630553 | Dual stage combustion furnace A dual stage combustion furnace has primary and secondary combustion chambers. The primary combustion chamber contains a solid fuel, such as wood or coal. The secondary combustion chamber is formed adjacent to and in communication with the primary combust... | 12/23/1986 |
| 4616573 | Metering feeder A metering feeder for delivering solid fuels, such as municipal or industrial refuse, for combustion includes a pair of generally vertically arranged hoppers. An upper hopper containing relatively compacted or intertangled fuel discharges metered amounts ... | 10/14/1986 |
| 4606282 | Self feeding wood burning stove In the stove, pluralities of elongated logs are stacked on top of one another, substantially on parallels to a generally horizontal axis, to form a pair of sloping, single-log-wide, axially extending stacks of the same which are spaced apart but converge ... | 08/19/1986 |
| 4593628 | Heating unit A particulate material fired convection heating unit including a combustion chamber, a shaped flue duct, and a fan means to draw therefrom gases and draw them through at least one convector pipe before the flue gases return and pass to a flue to be allowe... | 06/10/1986 |
| 4562777 | Heat generator A heat generator comprising a fuel supply chamber (7a), having at its lower end an inwardly tapered section (12), comprising at its lower end a burner plate (14) with mixing strips (33) and a combustion pipe (20), said tapered section (12) being provided ... | 01/07/1986 |
| 4545309 | Furnace for burning flammable particles There is disclosed a furnace for burning wooden wastes and, more specifically, sawdust and/or barks. The furnace is provided with an oil burner required for starting the fire. The draught from the oil burner fan is directed within a perforated box, locate... | 10/08/1985 |
| 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 |
| 4532872 | Char reinjection system for bark fired furnace A furnace (10) in which bark or other cellulosic fuel (64) is burned on a traveling grate (24). Char (62) separated (48, 54) from the furnace exhaust gases is reinjected into the furnace beneath baffle plate (40) in such a manner that the raw bark (64) be... | 08/06/1985 |
