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Class 110/102 - Shavings and sawdust


Subclass of Class 110 - Furnaces
Definition: Fuel-feeding devices especially adapted for feeding shaving
No. of patents: 48
Last issue date: 01/15/2008


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NumberTitleIssue Date
7318431Biomass 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
6196144Device for carrying out high-temperature recycling of heterogenously occurring waste and process for charging thereof
The invention relates to a device, and a process for its charging, for carrying out high-temperature recycling for heterogeneously occurring waste in compact packages. The compact packages are introduced into a heated channel for evaporation of liquids an...
03/06/2001
5678494Biomass-fueled furnace
A biomass-fueled furnace for residential or institutional space and hot water heating. Wood chips, the preferred fuel, are purchased "green and/or wet" and are stored in a dryer/storage assembly which uses waste clean exhaust gases produced by the furnace...
10/21/1997
5359945Balanced pressure solid fuel heating unit
A method and apparatus for a pellet fuel burning heating unit for burning corn or wood pellets having a balanced pressure system having a four-way split combustion intake airstream. The invention includes a combustion air blower system for providing combu...
11/01/1994
5357877Feed 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
5355782Smoke generator for food smoking kilns
The smoke generator produces smoke from combustible matter, such as sawdust or particulated wood, under a controlled set of smoke generation parameters which can be varied over a range of operating set-points. The pyrolysis and partial combustion phases o...
10/18/1994
5351633Balanced pressure solid fuel heating unit
A pellet fuel burning heating unit having a firebox with a burner therein connected to a combustion air duct, an exhaust pipe to remove combustion gases from the firebox, a blower to provide combustion air and a pressure regulator and air splitter to divi...
10/04/1994
5341637System for burning biomass to fuel a gas turbine
A system for burning biomass to fuel a gas turbine 10 which generally comprises a pressurized combustion chamber 54, a feeder device 14 for feeding biomass particles into the combustion chamber 54, an air compressor 82 for supplying compressed air to the ...
08/30/1994
5251385Method of heating a grain dryer and apparatus therefor
A stove for burning corn (maize) including a heat exchanger having an input chamber in which corn is burned, and an output chamber where heat from the burning corn is absorbed in air, which is directed to a conventional grain drying machine for drying the...
10/12/1993
5183028Burning 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
5123360Pellet stove with enhanced air circulation efficiency
A pellet stove has an arrangement for improving the flow of air therethrough. Air entering the stove is split into first and second portions. The first portion is diverted upwardly through a combustion chamber, wherein pellets are burned, thereby aiding i...
06/23/1992
5070798Pellet burner appliances and burners therefor
A pellet burning appliance with an improved burner is disclosed. This improved burner includes an open ended retort in communication with a feed auger at the inlet end opposite the open end. The feed auger delivers solid fuel pellets through the inlet end...
12/10/1991
5010831Particulate fuel burner and method of operation
Burner having two coaxially mounted tubes (3,4). The outer tube (3) is provided with means to introduce both air and particulate matter in the space between both tubes. For conveying of solid matter between both tubes screw conveyor means (5) are provided...
04/30/1991
4989521Gravity 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
4953474Fuel metering bin level control
A fuel metering bin level control for a wood chip bin feeding a boiler wherein the wood chips have a high propensity to bridge the bin when packed, the level control includes a short chute through which the chips are fed into the upper portion of the bin ...
09/04/1990
4922839Fuel reactor
A fuel reactor particularly adopted for the efficient combustion of wood and wood-product fuels includes a core comprised of an inner fuel tube and an outer gas tube. Fuel is introduced into one end of the fuel tube and the combustion process is initiated...
05/08/1990
4850289Incinerator
The incinerator is made of a loading member, a burning chamber, a combustion chamber and a duct member having a restricted dimension for connecting the burning and the combustion chambers. The loading member is an upstanding cylinder for receiving the was...
07/25/1989
4782767Solid 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
4781128Combustion apparatus having a defined geometric configuration
A combustible element has a defined geometrical configuration and comprises a fragmented non-consolidated content of combustible material and a combustible enclosure for the material. A plurality of such elements define in a combustion chamber a channel h...
11/01/1988
4633790Combustion chamber apparatus and method
An apparatus and method for burning fuel in a combustion chamber having an exhaust port. The invention includes a combustion device having a burner head for burning fuel to produce a volitilization zone of high heat. The burner head is positioned in the c...
01/06/1987
4598649Particle fuel diversion structure with dome-shaped cavity
A particle fuel burning furnace has an upper combustion chamber holding a pile of particle fuel and burning the same from the bottom. The furnace includes a lower combustion chamber for afterburning combustible gases off by burning solid fuel in the upper...
07/08/1986
4593628Heating 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
4574711Granulated solid fuel burner
A burner for use in burning granulated solid fuel including a burner head having a combustion chamber and inlet and outlet openings at opposite ends thereof communicated with the combustion chamber. Means is provided to deliver granulated solid fuel to th...
03/11/1986
4562777Heat 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
4559882Biomass-fueled furnace
A combustion system for domestic or small industrial heating needs, utilizing biomass fuels such as wood and brush chips, sawdust, logs, nut hulls, peat, leaves and other organic waste products of forestry, agriculture and industry with essentially smokel...
12/24/1985
4549490Furnace construction
A furnace having a fuel hopper in communication with a combustion chamber provided with an inclined, fuel-supporting grate. A rotary, flexible feed arm composed of a helically coiled wire serves to feed fuel from the hopper on to the grate. A draft is ind...
10/29/1985
4545309Furnace 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
4543890Wood 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
4531464Particle fuel diversion structure
A particle fuel burning furnace has an upper combustion chamber for holding a pile of particle fuel and burning the same from the bottom thereof. The furnace also includes a lower combustion chamber for afterburning combustible gases given off by the burn...
07/30/1985
4517903Solid fuel furnace
A furnace using pelletized wood as a fuel and a system for controlling the operation of the furnace are described. Pelletized wood stored in a hopper is fed into the combustion chamber of the furnace from an elevated position; and combustion of the pellet...
05/21/1985
4515088Burner for pellets
In the combustion of granular fuels in current use the ash causes problems in fusing, in connection with combustion and ash extraction and additionally in the form of fuel lost when it becomes intermingled with the ash. In the burner according to the inve...
05/07/1985
4480557Steam generator with integral down-draft dryer
A steam generating furnace which burns high moisture content fuel has a panel of heat absorbing tubes dividing it into two vertical interconnecting passageways: (a) a combustion chamber for burning the predried fuel and (b) a drying shaft for extracting m...
11/06/1984
4454827Ignition and control system for fragmented wood-type fuel furnaces
A furnace system for automatic, continuous and efficient burning of fragmented wood-type fuel incorporates a wood-type fuel combustion chamber, a fragmented wood-type fuel feeder or conveyor for trickle feeding fuel into the chamber at selected uniform ra...
06/19/1984
4430949Shavings--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
4431405Gas pollution control apparatus and method and wood drying system employing same
Pollution control apparatus and method are disclosed in which hot exhaust gas containing pollutants including solid particles and hydrocarbon vapors is treated by transmitting such exhaust gas through a container containing wood members, such as wood chip...
02/14/1984
4414904Waste-burning furnace
The furnace includes an upstanding hopper-like member having an increasing cross-sectional area from a fuel inlet at its upper end to a hollow box-like grate releasably and removably mounted within its lower end portion at an elevation slightly below the ...
11/15/1983
4414906Fuel cartridge and burner
A burner casing having a vertical support sleeve mounted at its center forms a combustion chamber below the sleeve and an annular duct space that surrounds the sleeve. A self supporting fuel cartridge containing consolidated solid fuel particles fits slid...
11/15/1983
4412814Apparatus and method for operating a brick kiln
Heated waste gases are directed from the tunnel of a brick kiln into a dryer for effective drying of sawdust which is then fed from the dryer into a grinder which reduces the sawdust to finely divided wood fibers and then delivers the ground sawdust to a ...
11/01/1983
4387655Method for controlled burnout of abandoned coal mines and waste banks
A method is provided for recovering energy from wasted coal by the steps of creating at least one channel through the wasted coal, igniting the wasted coal in said channel, subjecting said wasted coal, at least at said channel, to a negative pressure appl...
06/14/1983
4337711Method for combustion of petroleum and solid wastes
A method and apparatus for the combustion of semi-solid and liquid petroleum wastes are disclosed. The petroleum wastes such as crankcase oil are mixed with particulate combustible solids such as wood chips and shavings in a ratio in the range of, by volu...
07/06/1982
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