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| Number | Title | Issue Date |
| 7976259 | System for feeding biomass into a pressurized vessel The present disclosure provides for a system for feeding biomass into a pressured vessel, the system includes a screw-feeding housing, a drive motor, a rotary airlock, a first conveyor screw, a second conveyor screw, a barrel, a low friction liner attached to a subs... | 07/12/2011 |
| 7335311 | Sludge treatment An apparatus for treating sludge, comprises a press for dewatering the sludge, a compaction device for receiving and compacting sludge dewatered by the press, a shredder for receiving and shredding sludge compacted by the compaction device, and a tube conveyor for c... | 02/26/2008 |
| 7314538 | Process and device for discharging lignocellulose raw materials from a digester and conveying the raw material to a refiner A process for refining lignocellulose raw materials, especially wood chips, saw dust, annual plants or wood waste, includes dewatering the lignocellulose raw materials discharged from a digester, extracting condensate produced during dewatering, and refining the dew... | 01/01/2008 |
| 7229524 | Feeding arrangement for feeding of chips to chip bins The invention relates to a feed arrangement for feeding chips to chip bins (1) in the production of cellulose pulp in continuous digesters (16), in which the chip bin is constituted by a treatment vessel having a top and a bottom, in which the chips ar... | 06/12/2007 |
| 7097079 | Automatic dosing device with a dosing screw and the use of such an automatic dosing device The present invention refers to a dosing screw unit for an automatic dosing device The purpose of the automatic dosing device is to control the dosing of stored material, kept inside (29) a container (27), out of the storage. The object of the dosing s... | 08/29/2006 |
| 6976575 | Process and device for the continuous conveyance of confections Described is a conveyor for confections having the design that the material is conveyed along a flow path which is essentially free from abrupt detours or direction changes. In the case of utilization of helix rotors as conveyors this occurs in that the helical roto... | 12/20/2005 |
| 6952936 | Refrigerator and ice maker apparatus An ice maker assembly includes, in an exemplary embodiment, an ice bucket that has a bottom wall, opposing side walls extending from the bottom wall, a front wall, and a back wall. The bottom wall, side walls, front wall, and back wall define an ice collection cavit... | 10/11/2005 |
| 6915896 | Cleaning drain apparatus for an auger assembly A drain apparatus for the intake end of an auger is disclosed. The drain apparatus comprises a bearing with radial arms, a cover with a cover portion, a drain and a drain cap for removably closing the opening of the drain. The drain apparatus facilitates a clean in ... | 07/12/2005 |
| 6830623 | Method of liquid deposition by selection of liquid viscosity and other precursor properties A plurality of liquids, the flow of each controlled by a volumetric flowrate controller, are mixed in a mixer to form a final precursor that is misted and then deposited on a substrate. A physical property of precursor liquid is adjusted by adjusting the volumetric ... | 12/14/2004 |
| 6403042 | Device for sterilizing contaminated materials An apparatus for disinfecting or sterilizing contaminated materials including a first worm screw (15) inside a pretreatment chamber (14) and a second worm screw (17) arranged close to the end of the first worm screw (15) and extending inside a treatment c... | 06/11/2002 |
| 5881649 | Magnetic transfer system, power transmission mechanism of the magnetic transfer system, and rotational driving member used for the system To provide a magnetic transfer system capable of smoothly delivering a carrier between chambers by providing a independently-rotating carrier-feed driving shaft for each chamber without using a synchronous control mechanism and used for a semiconductor fa... | 03/16/1999 |
| 5803704 | Apparatus and method for accumulating and transferring one or more stacks of articles Flat mail pieces of intermixed sizes and thicknesses are received and distributed to separately arranged storage compartments. Each such compartment contains special features and functions which ensure smooth entry of incoming mail, maintain the facing an... | 09/08/1998 |
| 5782605 | Impeller for separating a conveyed stream of material An impeller is for separating a conveyed stream of material. The impeller has a central rotatable hub with a plurality of blades extending radially therefrom. The hub and blades form a number of generally wedge-shaped material receiving spaces within the ... | 07/21/1998 |
| 5670065 | Apparatus for plasma treatment of fine grained materials "An apparatus for plasma treating fine-grained materials, having a receptacle that can be evacuated and that accepts and agitates the materials to be treated, and having an electromagnetic device that comprises an excitation device and electrodes and to a... | 09/23/1997 |
| 5615987 | Worm conveyor for bulk material Worm conveyor for bulk material, the outlet of which is separated from an outlet chamber, in which a higher gas pressure obtains than at the inlet of the worm conveyor, by a non-return flap, which is pressed by a flexible force into the closed setting. Th... | 04/01/1997 |
| 5540821 | Method and apparatus for adjustment of spacing between wafer and PVD target during semiconductor processing A heater and pedestal actuator is provided to actuate the pedestal of a deposition chamber from a first position wherein a wafer may be placed thereon to a second position adjacent to the deposition target. To adjust the inward travel of the heater to com... | 07/30/1996 |
| 5466108 | Process and apparatus for feeding fragmented material into a container under pressure Disintegrated material is supplied to a pressure chamber by a rotatable and axially translatable screw piston. The piston is rotated while in a first axial position to transport and compact the material in a receiving chamber against a closed output valve... | 11/14/1995 |
| 5417854 | Apparatus for separating solids from fluids A novel apparatus for isolating solids or wetcakes from fluids is disclosed. Said apparatus is closed to the atmosphere and comprises a slip joint and a floating auger which allows for solid recovery under pressure in the absence of substantial solvent vo... | 05/23/1995 |
| 5388537 | System for burning refuse-derived fuel A system for disposing of refuse-derived fuel ("RDF") and converting the refuse-derived fuel into a fuel gas is described. The system includes a positive pressure combustion chamber and a feed system for feeding the RDF into the combustion chamber at high... | 02/14/1995 |
| 5122263 | Continuously and automatically functioning device for the drainage of sludge, especially of sewage sludge A continuously and automatically functioning device for the drainage of sludge treated with a flocculent, especially of sewage sludge, comprising a screw conveyor installation with a driven conveyor screw consisting of shaft (16) and helix (17) and a scre... | 06/16/1992 |
| 4978369 | Process for feeding carbonaceous material into reaction spaces Disclosed is a process for feeding carbonaceous materials into pressurized reaction spaces where partial oxidation or hydrogenation occurs. The feed is compressed into a strand material in a rotable screw conveyor which strand is disintegrated by fluid me... | 12/18/1990 |
| 4922650 | System for manufacturing solid medium A system for manufacturing a solid medium for cultivating mushrooms includes a mixer for mixing and agitating medium materials, and a heater coupled to the mixer for sterilizing the medium materials from the mixer with the heat of steam. The sterilized me... | 05/08/1990 |
| 4881862 | Screw seal A screw seal for conveying bulk particulate solids between spaces at differing gas pressures with minimal leakage of gas. A tubular housing encloses a screw conveyor section and a sealing section receiving the solids and forming a sealing plug. The sealin... | 11/21/1989 |
| 4790251 | High pressure and high temperature ash discharge system A system for discharging and cooling hot ash from a coal combustion unit, such as a coal combustor or an associated filter, where the hot ash at a temperature in excess of 700° C. and at superatmospheric pressure is charged to a jacketed, cooled screw co... | 12/13/1988 |
| 4738687 | Process for the removal of residue particles from a pressurized gasification reactor In this process for the removal of residue particles from a discharge opening of a pressurized gasification reactor according to the fluidized bed or flue dust principle the residue particles are removed by a worm conveyor. To avoid pressure fluctuations ... | 04/19/1988 |
| 4668130 | Dense phase coal feeding system Carbonaceous solids such as coal and oil shale are fed to a high temperature processing vessel without bridging and plugging problems interrupting the flow of the solids into the processing vessel by passing the solids at a controlled rate from a feed ves... | 05/26/1987 |
| 4628828 | Ash handling systems for combustion equipment An ash handling system includes a conveyor and crusher extending from an ash collection trough beneath an underfeed stoker retort to a hopper from which ash is discharged into an ash receiving zone of a container. A suction nozzle is used to extract ash f... | 12/16/1986 |
| 4615647 | Pneumatic conveying device and flap valve A conveying apparatus includes a casing having a bore therethrough with an inlet for solid particulate material to be conveyed and an outlet. A screw impeller is rotatably mounted in the casing by front and rear bearings with the rear bearings being posit... | 10/07/1986 |
| 4551206 | Apparatus with moving bed pressure letdown stage for recovering retorted oil shale A dry sealing leg apparatus is comprised of four chambers through which a moving bed of retorted shale particulates from an oil shale retort is passed serially: a surge chamber, a gas injection chamber, a seal leg chamber, and a gas disengaging chamber. I... | 11/05/1985 |
| 4497605 | Centrifugal pump for transferring solid particles from a low pressure zone into a high pressure zone A centrifugal pump for transferring solid particles from a low pressure zone into a high pressure zone comprises a centrifugal rotor and a housing that are each rotatable about a central axis. The rotor debouches particles into the interior of the housing... | 02/05/1985 |
| 4466809 | Fuel supply method for a gasification chamber Method for supplying fuel material to a gasification reactor into which a mixture of finely powdered fuel material, in suspension in a liquid phase, is charged inside a pressurized combustion chamber into which the combustion-supporting gas is injected an... | 08/21/1984 |
| 4455111 | Pressure conveyor for feeding pulverulent material into a pressurized air conveyor pipeline In a system for moving large quantities of pulverulent material from receiving hoppers, such as those of a fly ash precipitator, into a pressurized air conveyor pipeline, separate auger conveyors move material from a first line of receiving hoppers and fr... | 06/19/1984 |
| 4401402 | Liquid seal lock hoppers and method of utilizing same Liquid sealed lock hoppers for use with a particulate material having a density greater than that of the sealing liquid are provided for connection to the inlet and outlet of a high pressure zone.... | 08/30/1983 |
| 4391561 | Solids pumping apparatus A pump for feeding granular material into a pressurized zone having a feed screw (14) located within a cylinder (12). The cylinder is tapered (34) at its discharge end, and the outside diameter of the flights (32) is also tapered (43). The clearance (38) ... | 07/05/1983 |
| 4363571 | System for feeding pulverulent material into a pressurized air conveyor pipeline A system for moving large quantities of pulverulent material from receiving hoppers, such as those of a fly ash precipitator, into a pressurized air conveyor pipeline. Separate auger conveyors move material from a first line of receiving hoppers and from ... | 12/14/1982 |
| 4344723 | Vacuum grain moving apparatus A vacuum grain moving apparatus connected to a three-point hitch of a tractor and operated with the power take-off drive of the tractor. The apparatus has a grain holding tank connected to a grain collection hose used to carry grain and air to the tank. A... | 08/17/1982 |
| 4279556 | Auger airlock assembly having product cutting knife An improved auger airlock is disclosed which includes a blade for preventing blockage or buildup of material conveyed through the airlock. An axially rotatable auger blade is disposed within the elongated auger tube and has a central shaft extending to th... | 07/21/1981 |
| 4274786 | Process and apparatus for continuously conveying particulate compressible fibrous material from a zone at a first gas pressure to a zone at a second gas pressure Process and apparatus are provided for continuously conveying particulate compressible fibrous material from a first zone at a first gas pressure to a second zone at a second gas pressure with a pressure differential therebetween of at least 0.5 bar while... | 06/23/1981 |
| 4255161 | Apparatus for introducing solid fuels into a pressure gasification reactor Apparatus for introducing solid fuels into a pressure gasification reactor comprising at least one conveyor worm turnable in a housing for conveying finely divided fuel, optionally mixed with a binder, and compacting the fuel into a gas-tight plug which i... | 03/10/1981 |
| 4247240 | Solids feeder having a solids-liquid separator An apparatus for transferring solid materials between zones of substantially different pressures, the solid materials being supplied to a lockhopper containing a liquid having a density less than the solid materials, the solid materials with associated li... | 01/27/1981 |
