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| Number | Title | Issue Date |
| 6981831 | Variable device for bulk material distribution with rotary chute having variable angle of inclination A device for distributing bulk materials includes a suspension rotor is mounted in a support frame which is capable of rotating about a substantially vertical axis of rotation. A chute is suspended to the suspension rotor and is tiltable about a substantially horizo... | 01/03/2006 |
| 5794548 | Pneumatic bark distributor for continuous ash discharge stokers A furnace having a continuous ash discharge stoker which includes a fuel distributor apparatus for delivering associated particulate fuel to an associated continuous ash discharge furnace which includes a housing having an inlet for a particulate fuel and... | 08/18/1998 |
| 5148756 | Fuel feeder for furnace A chain-type fuel feeder which includes a chain conveyor that deposits coal onto a rotor which then throws the coal into a boiler-type furnace. The conveyor is driven from the shaft of the rotor by way of a novel, variable speed control assembly which inc... | 09/22/1992 |
| 5030054 | Combination mechanical/pneumatic coal feeder A combination mechanical/pneumatic fuel feeder for feeding particulate fuel into a furnace and having a closely coupled hopper, fuel metering device, rotor and air swept delivery plate.... | 07/09/1991 |
| 4954034 | Vibratory fuel feeder for furnaces A vibratory feeder in combination with a fuel fired furnace such as a coal fired steam generating boiler is disclosed. The vibratory feeder has a tray with a flat bottom in one embodiment and a step bottom in another and a hopper having vertical sides sup... | 09/04/1990 |
| 4352619 | Blast furnace installations In a blast furnace installation wherein raw material is changed in a blast furnace successively through a rotary hopper, an impeller and an inclined chute surrounding the impeller, the inclined chute is suspended from a carriage movable along rails so as ... | 10/05/1982 |
| 4326469 | Multi-fuel feeder distributor A multi-fuel feeder distributor for a stoker capable of feeding into a furnace and distributing over a grate or hearth, coal and a second fuel, such as wood or a waste fuel, either in combination or separately, comprising a coal feed and a second fuel fee... | 04/27/1982 |
| 4050679 | Method and apparatus for controlling the furnace top gas pressure of blast furnaces In a blast furnace installation comprising a blast furnace and a raw material charging apparatus including a hollow inverted frustum shaped rotary hopper mounted above the blast furnace, conveyor means for supplying the raw material to the rotary hopper, ... | 09/27/1977 |
| 3966062 | Apparatus for charging raw materials into blast furnaces A hollow inverted frustum shaped rotary hopper is provided above the furnace top to receive the raw materials from a conveyor. Beneath the rotary hopper is disposed a hollow disc shaped impeller including a dish shaped central portion facing to the lower ... | 06/29/1976 |
