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| Number | Title | Issue Date |
| 8181570 | Plug screw feeder for feeding cellulose pulp/chips A screw pipe unit intended to cooperate with and at least partly enclose a screw in a plug screw feeder for cellulose chips/pulp is provided. The screw pipe unit comprises a plurality of openings for filtrate dewatered from the chips/pulp in the screw pipe when the ... | 05/22/2012 |
| 8151702 | Device for dehumidifying and compacting solids contained in sewage for disposal The device for dehumidifying and compacting solids contained in sewage for disposal, is designed to be applicable to machinery (1) comprising: a tubular screen (2) having at least an inlet (4) for a product to be separated, at least an outlet ( | 04/10/2012 |
| 8087353 | Machine having an improved draining grid for compacting humid waste The machine (4) having an improved drainage grid (1) for compacting humid waste (2) comprises at least an Archimedes screw (7) which rotates internally of a containing structure (11) in which a support structure (13) is affo... | 01/03/2012 |
| 7987778 | Pre-separator for a screen separator A pre-separator for a screw press separator wherein the pre-separator increases the concentration of solid material in a water solid material mixture. The pre-separator is configured to have a frustoconical screen surface where a plurality of wiper blades engage the... | 08/02/2011 |
| 7963218 | Screw press with radial gate valve and supported screw shaft A screw press is provided having a radial gate valve and supported longitudinally-extending screw shaft. The screw shaft includes a central shaft and helical threads which is driven by a drive package. The screw shaft is encapsulated within a housing including a hop... | 06/21/2011 |
| 7958820 | Compactor construction A compactor for compacting and dewatering debris comprises a housing having an inlet for enabling debris to be delivered to forwarding augers which forward the debris to a compaction chamber at the discharge end of the housing. The chamber has an outlet opening of l... | 06/14/2011 |
| 7461591 | Screw press for squeezing out fibrous material A screw press for pressing fibrous material, in particular sugar beet pulp, having a pair of adjacent counter-rotating shafts parallel axes, the shafts each having a helical structure winding in the opposite direction to the helical structure of the other shaft, a p... | 12/09/2008 |
| 7438810 | Sieve device A sieve device for insertion in a shaft has a connection for wastewater arriving in a supply device, which supply device is connected to a sieve surface of the sieve device for separating material to be separated from the wastewater. A worm conveyor transports the m... | 10/21/2008 |
| 7410568 | 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... | 08/12/2008 |
| 7398886 | Press for dewatering a humid substance, in particular residual refuse A press for the dehumidification of humid matter, in particular of residual waste is disclosed, which comprises a worm gear whereby the residual waste may be compressed mechanically. During transport with the aid of the worm gear, the humid matter is subjected to a ... | 07/15/2008 |
| 7357074 | Compression screw with combination single and double flights A screw for a compression dewatering device comprising an elongated shaft having axially spaced apart first and second ends, a conveying section at the first end of the shaft, having a single helical screw flight rigidly projecting from the shaft, a flightless trans... | 04/15/2008 |
| 7347140 | Screw press for separation of liquid from solid-liquid mixtures especially pulp suspensions Screw press for separation of liquid from solid liquid mixtures, especially pulp suspensions, with a casing with perforations for liquid and a screw shaft provided in it between which a circular gap is formed through which the solid liquid mixture is pressed. Furthe... | 03/25/2008 |
| 7344033 | Solid-liquid separator To provide a solid-liquid separator in which a treatment object such as sludge can be transported without clogging, liquid can be efficiently separated from the treatment object, and a maintenance operation can be easily conducted. Movable plates 12 and fixed... | 03/18/2008 |
| 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 |
| 7267049 | Screw press for pressing fibrous material, in particular sugar beet pulp A screw press (1) for pressing fibrous material, in particular sugar beet pulp, comprising: at least one pair of helical elements (30) which are disposed mutually parallel and side by side and comprise at least one helix (32, 33) disposed about ... | 09/11/2007 |
| 7255223 | Mixture with a smooth throughput A transport device for transporting a transportable product, especially a bulk-type product, includes an essentially cylindrical chamber containing at least one shaft which extends along the cylindrical chamber and comprises a plurality of first transport elements f... | 08/14/2007 |
| 7195084 | Systems and methods for storing and handling drill cuttings Vessels for selectively holding drilling cuttings material and methods employing such vessels; the vessels, in at least certain aspects, having a body with a hollow container with an interior space for receiving drilling cuttings material and from which the material... | 03/27/2007 |
| 7191700 | Solid-liquid separator A system is provided with a solid-liquid separator which can transport sludge and other material for treatment without clogging and can efficiently separator liquid from such material for treatment. The system includes movable plates and fixed plates alternatingly d... | 03/20/2007 |
| 7189306 | Process of treating lignocellulosic material to produce bio-ethanol This invention relates to a process of treating a lignocellulosic material to produce bio-ethanol. The process includes the steps of: (a) exposing the lignocellulosic material to conditions including a pH not less than about 8, and steam at a first pressure, to prod... | 03/13/2007 |
| 7152522 | Screw press with radial gate valve and supported screw shaft A screw press is provided having a radial gate valve and supported longitudinally-extending screw shaft. The screw shaft includes a central shaft and helical threads which is driven by a drive package. The screw shaft is encapsulated within a housing including a hop... | 12/26/2006 |
| 7143690 | Screw compressor for compressing wet matter and a method for compressing and washing The invention relates to a screw compressor for compressing matter that passes through the screw compressor. The screw compressor comprises a screw having an outer thread with a pitch that decreases in the longitudinal direction of the screw, and a casing that encas... | 12/05/2006 |
| 7101164 | Containment system for continuous flow hydrolyzers A material handling system for a hydrolyzer comprises a material injection assembly having a ram; a sleeve in which the ram reciprocates during use; a gate plate operable from between an open position, wherein a plug of municipal solid waste may exit the sleeve, and... | 09/05/2006 |
| 7086405 | Screenings washer A screenings washer having a hopper, a grinder downstream of the hopper, and a washer downstream of the grinder. The washer includes an auger rotor that receives the screenings ground by the grinder, a spray wash system that sprays a wash fluid directly onto a porti... | 08/08/2006 |
| 7079935 | Valve control for an engine with electromechanically actuated valves A system and method to control engine valve timing of an internal combustion engine. Electromechanical valves are controlled to improve engine fuel economy. Further, the method can adjust valve operation to provide air-fuel charge motion and increase combustion stab... | 07/18/2006 |
| 7073433 | Auger dewatering system A system for transporting and dewatering solids in a fluid system. An auger is used to transport solids and provide first stage compaction. A dewatering plate having a restricted opening provides second stage compaction and dewatering. The auger maybe be shafted or ... | 07/11/2006 |
| 7063062 | Valve selection for an engine operating in a multi-stroke cylinder mode A method to control valve patterns in a cylinder operating in a multi-stroke cylinder mode. Valves are controlled to improve drivability and emissions. ... | 06/20/2006 |
| 7031821 | Electromagnetic valve control in an internal combustion engine with an asymmetric exhaust system design A system and method to control engine valves of an internal combustion engine is shown. Electromechanical valves are controlled in a manner to reduce hydrocarbon emissions of an internal combustion engine. Further, the method can adjust valve operation to account fo... | 04/18/2006 |
| 7005077 | Shipboard human waste treatment for removing solids A method and system for separating human waste solids from liquid for a shipboard toilet system that allows for the separation of solid waste, compaction of the solid waste and storage of solid waste. Wastes are deposited into a shipboard toilet system that uses vac... | 02/28/2006 |
| 6946072 | Method and apparatus for washing a fibre suspension A method for washing a fibre suspension with washing liquid, in which, in accordance with the invention, the fibre suspension is introduced into an annular treatment channel (24) that has an inlet end (72) and an outlet end (73) and is concentri... | 09/20/2005 |
| 6936092 | Positive pressure drilled cuttings movement systems and methods Methods for moving drilled cuttings, the methods, in certain aspects, including conveying with air under positive pressure, drilled cuttings to flow conduit apparatus; applying air under positive pressure to the flow conduit apparatus to continuously move the drille... | 08/30/2005 |
| 6925929 | Screw press A screw press provided with a rear excess fluid outlet is described herein. The rear excess fluid outlet includes a circular screen provided at a longitudinal end of the screw press body, near a material inlet. Scraper blade assemblies are provided to prevent the sc... | 08/09/2005 |
| 6854382 | Device for extracting juice from plant A device for extracting juice from one of various plants (e.g., grass, soybeans, or wheat) comprises a motor, a hollow container, a spindle in the container and is rotatably coupled to the motor, a strainer surrounded a portion of the spindle and fastened in the con... | 02/15/2005 |
| 6792850 | Screw press The invention relates to a screw press for separating liquids from solid-liquid mixtures, especially pulp suspensions, which has a casing provided with liquid passages, especially divided into segments, a screw rotating inside the casing, a shaft, preferably hollow,... | 09/21/2004 |
| 6736054 | Screw press A screw press provided with a rear excess fluid outlet is described herein. The rear excess fluid outlet includes a circular screen provided at a longitudinal end of the screw press body, near a material inlet. Scraper blade assemblies are provided to prevent the sc... | 05/18/2004 |
| 6730219 | Filter for liquid products The filter has a framework with an inlet end, a solids outlet end and an outlet for a separated product between the ends. A fabric filter extends in the framework from end to end and is supported by movable rings, resilient members and dampers enabling axial extensi... | 05/04/2004 |
| 6688217 | Twin screw extruder with conical non-parallel converging screws An improved twin screw extruder device (14) is provided which is capable of producing a wide variety of high quality extrudates having greatly varying final properties, without the need for extensive machine modifications. The extruder (14) includes a bar... | 02/10/2004 |
| 6673247 | Sludge dewatering and pasteurization process A process for dewatering and reducing pathogens in liquid waste sludge having a liquid component and a sludge solids component. Alkaline material is added to the liquid waste sludge. Flocculent may then be mixed with the liquid waste sludge. The liquid wa... | 01/06/2004 |
| 6651822 | Horizontal solids recycler Horizontal solids recycler to treat waste water comprising refuse solids from hog farms which comprises an intake and loading hopper adapted to establish a uniform curtain of the waste water, a mesh to which an over flow of the waste water is directed, a ... | 11/25/2003 |
| 6637323 | Juice extractor A juice extractor including a helical spindle connected to a power driven source, and a housing having an inlet in the upper part and an outlet in the lower part. The helical spindle includes a fine grinding portion and a refine grinding portion. At the e... | 10/28/2003 |
| 6634508 | Screw press In a screw press, an outer tube (5), over which a screen (4) is tensioned, is divided into a freely rotatable condensing zone at the front half thereof, and a filtering and dewatering zone at the rear half thereof, a freely rotatable screw shaft (7) is pr... | 10/21/2003 |
