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| Number | Title | Issue Date |
| 6152729 | Spray cooled furnace discharge assembly A discharge assembly for removing material from a hearth in a rotary hearth furnace including a discharge auger and a coolant spray. The discharge auger is positioned above the hearth of the rotary hearth furnace and includes a central shaft having at lea... | 11/28/2000 |
| 5651321 | Method of and means for producing combustible gases from low grade fuel In accordance with the present invention, a method for supplying solid material such as hot carbonaceous material from a pyrolyzer or reactor to a furnace, is provided comprising providing a screw conveyor for receiving the solid carbonaceous material fro... | 07/29/1997 |
| 5362456 | Device for sterilizing products packed in cylindrical containers A device for sterilizing products packed in cylindrical containers, includes an elongate, essentially cylindrical housing and an essentially cylindrical rotor located therein which can be driven via a central shaft. The circumferential wall of the housing... | 11/08/1994 |
| 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 |
| 5339751 | Apparatus and method for charging combustible solids into a rotary kiln A firing system is provided for charging a plurality of incoming combustible fuel modules containing a known amount of a parameter of interest into a heated zone of a rotating kiln. The firing system separates incoming fuel modules into a plurality of sta... | 08/23/1994 |
| 5057288 | Device for sterilizing products packed in cylindrical containers A device for sterilizing products packed in cylindrical containers, includes an elongate, essentially cylindrical housing and an essentially cylindrical rotor located therein which can be driven via a central shaft. The circumferential wall of the housing... | 10/15/1991 |
| 4667606 | Device at incinerator The invention relates to a feed-in device for fuel in a fire-place with plane grate (5). The feed-in occurs through an opening (60) in the grate and comprises a tubular straight passageway (34), which extends upward from below to the opening (60), so that... | 05/26/1987 |
| 4636127 | Conveying screw for furnace A countercurrent fluid cooled conveying screw is disclosed. Suitable for furnace applications, the screw includes an outer shaft spatially circumscribing an inner tube. A plurality of hollow, fluid cooled flights are affixed to the outer shaft and are in ... | 01/13/1987 |
| 4631026 | Rotary turntable furnace for litharge production A turntable furnace for heating particulate material and which is particularly suited for the industrial production of litharge. The particulate material is heated inside the furnace on a turntable hearth and distributed radially outwardly from the center... | 12/23/1986 |
| 4577564 | Apparatus for feeding waste tire chips An apparatus for feeding waste tire chips to an incinerator comprises a chip container having a front wall, a rear wall and an outlet at the lower end of the front wall, and a screw feeder having a shaftless helical screw blade provided at an inner bottom... | 03/25/1986 |
| 4578011 | Device for charging steel products in a reheating or treatment furnace A treatment furnace having a longitudinally extending charging opening has a transversely extending furnace conveyor having an upstream end in the vicinity of the opening. A loading conveyor has an array of transversely extending approach rollers adjacent... | 03/25/1986 |
| 4531909 | Handling system for IC device There is provided a handling system for IC devices having a guide stage comprising a bank portion in which both sides of a IC device to be tested are held at a position other than a portion where terminals of the IC device project and a vacuum suction por... | 07/30/1985 |
| 4412813 | Rotary hearth furnace and method of loading and unloading the furnace The hearth of the furnace is indexed in such a manner that successive workpieces in a loading position are loaded in non-adjacent stations of the hearth during one revolution and are loaded in intervening stations during one or more subsequent revolutions... | 11/01/1983 |
| 4292066 | Material feeder A pair of spaced opposing upstanding surfaces are provided and an inclined upwardly facing ramp surface extends therebetween and includes a lower marginal edge. A partial cylindrical wall extends axially between the upstanding surfaces and opens in a gene... | 09/29/1981 |
| 4245983 | Screw conveyor for feeding lime sludge or cement to a lime and cement kiln, respectively The invention relates to a feed conveyor for lime sludge to a lime kiln and, respectively, of cement to a cement kiln. The conveyor, which has the form of a screw conveyor, is characterized in that its housing is cooled by a cooling liquid so that a conde... | 01/20/1981 |
| 4077528 | Treatment plant A plant for physical or thermal treatment of products supported upon rectangular carriers, said plant comprising a vertical conveyor for moving the carriers upwards and downwards from in inlet station to an outlet station, the conveyor being constituted b... | 03/07/1978 |
