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| Number | Title | Issue Date |
| 8313269 | Pneumatic particulate material fill systems and methods Pneumatic particulate material fill systems and methods are disclosed. A particulate material fill system includes a cyclone separator having an inlet adapted to receive pneumatically conveyed particulate material. The cyclone separator has a first outlet adapted to... | 11/20/2012 |
| 7637699 | Steam/water conical cyclone separator A conical cyclone separator for separating steam from water in a steam/water mixture supplied to a steam drum of a boiler. A widened tangential inlet extends the axial length of the conical portion of the separator, increasing the width of the inlet while causing no... | 12/29/2009 |
| 7104743 | Vacuum receiver with positive dump valve control A vacuum receiver for a pneumatic conveyor for conveying, e.g., plastic pellets, having a receiving vessel with a material inlet, a material outlet and a conveying gas outlet. A first valve member is provided for opening and closing the conveying gas outlet, and a s... | 09/12/2006 |
| 7082955 | Axial input flow development chamber A system for conveying fluid through a conduit that creates a strong laminar flow of the material surrounded by a boundary layer flow of the same or a different flowable material, such that long transport distances through dramatic elevation and directional changes ... | 08/01/2006 |
| 7066207 | Flow development chamber A system and method for conveying flowable material through a conduit that creates a strong laminar flow of the material surrounded by a boundary layer flow of the same or a different flowable material, such that long transport distances through dramatic elevation a... | 06/27/2006 |
| 6988507 | Axial input flow development chamber A system for conveying fluid through a conduit that creates a strong laminar flow of the material surrounded by a boundary layer flow of the same or a different flowable material, such that long transport distances through dramatic elevation and directional changes ... | 01/24/2006 |
| 6974279 | Ejector, fine solid piece recovery apparatus and fluid conveyor An ejector is configured to generate a high negative pressure capable of sucking and conveying fine metal pieces or chips, such as machinings or cuttings, for example, when using the ejector as a driving source for a fluid conveyor. The ejector includes a convergent... | 12/13/2005 |
| 6932681 | Cleaning method and cleaning device for fluid dynamic bearings component The present invention provides a method and device for cleaning the oxide layer created on the bearing surface of a fluid dynamic bearing by the electrochemical machining of pressure generating grooves onto the bearing surface, wherein the method involves spraying a... | 08/23/2005 |
| 6659118 | Flow development chamber A system and method for conveying flowable material through a conduit that creates a strong laminar flow of the material surrounded by a boundary layer flow of the same or a different flowable material, such that long transport distances through dramatic ... | 12/09/2003 |
| 6461086 | Method and apparatus for delivering particulate material to an air stream An apparatus and process for directing particulate material (22) into a moving gas stream includes a delivering of the particulate material (22) from a particulate reservoir (24) along a delivery direction (118) into a housing (30) having a housing axis (... | 10/08/2002 |
| 6428245 | Method of and apparatus for transporting particulate materials from a lower level to a higher level A method of and apparatus for transporting particulate materials from a lower level to a higher level are disclosed, the method comprising: establishing a flow loop comprising a closeable chamber for receiving batches of the particulate materials, a first flow... | 08/06/2002 |
| 6394708 | Receiver for pneumatic conveyor A receiver for a pneumatic conveyor for receiving and discharging particulate matter includes an upstanding receptacle having an inlet port and a gravity feed discharge opening. A flow control valve at the discharge opening controls discharge flow of part... | 05/28/2002 |
| 6308375 | Organic debris collection device with curved blower conduit A curved blower exhaust conduit, delivering an air stream carrying pulverized or granulated entrained solids to a substantially sealed cargo chamber enclosure of fixed volume, is provided with a pressure relief vent mounted at an "inner" peripheral region... | 10/30/2001 |
| 6231273 | Fuel particle separator disposed upstream from a boiler, and provided with an isolating valve member A separator is disposed between a grinder and a boiler so as to select, on the basis of size, particles produced by grinding a fuel in the grinder and conveyed by a flow of air from the grinder to the separator, and then to the boiler. The separator exten... | 05/15/2001 |
| 6202576 | Process for recycling fine-particle solids discharged from a reactor vessel with a gas In a process for recycling fine-particle solids (4) discharged from a reactor vessel (1) at a discharging position of the reactor vessel (1) by means of a gas, at a recycling position (16) of the reactor vessel (1), the solids (4) are separated in a solid... | 03/20/2001 |
| 6197266 | System for sealing a cyclone leg A cyclone leg sealing system is composed of one or more intermediate solids-accumulation chambers delimited by two sealing valves and in series, the function of the valves being to prevent the back-flow of particulate material towards the inside of the se... | 03/06/2001 |
| 6155751 | Flow development chamber for creating a vortex flow and a laminar flow A pneumatic conveying system for conveying particulate material through a conduit that creates a strong laminar flow of materials and air surrounded by a boundary layer flow of air, such that long transport distances through dramatic elevation and directi... | 12/05/2000 |
| 6110242 | Apparatus for separating solids from a gas An apparatus for separating solids, such as scrap material, from a gas such as an air stream. The apparatus includes a horizontally mounted outer cylinder or drum and an inner perforated cylindrical member is mounted concentrically within the drum to prov... | 08/29/2000 |
| 6089795 | Mobile apparatus for pneumatic conveyance of gravel or similar granular material An apparatus for pneumatically conveying granular material such as gravel. The apparatus includes a vehicle base mounting plate, a prime mover such as a diesel engine, a hydraulically driven air blower, a hopper for receiving gravel to be conveyed, and a ... | 07/18/2000 |
| 6036407 | Solids conveying system for compacted, friable solids that can not be pushed or compressed A gas conveying system capable of conveying a solid material without pushing or compressing the solid material. The system comprising: at least one conduit assembly comprising a conduit, a lance assembly disposed about a first end of the conduit which is ... | 03/14/2000 |
| 5908032 | Method of and apparatus for expanding tobacco A method of and an apparatus for expanding tobacco, particularly tobacco impregnated with solid carbon dioxide are disclosed. The apparatus comprises an arcuate, generally C-shaped duct for conveying the tobacco material in a hot gaseous medium to sublima... | 06/01/1999 |
| 5803673 | Portable pneumatic precision metering device The present invention is a device and method for the transportation and metering of precise amounts of particulate matter. The device provides an environmentally and operator safe means of transporting and dispensing precise amounts of particulate matter ... | 09/08/1998 |
| 5800578 | Air separation system including a tangential separator and a pneumatic relay conveyer A separating system for separating material transported by air utilizing apparatus having a tangential inlet for a stream of air and entrained material, a bottom material exit, a boundary wall air exit and a central interior air exit. Each air exit includ... | 09/01/1998 |
| 5791830 | Feed system for particulate material and transition hopper therefor This invention relates to a feed system for conveying loose pieces of a coarse particulate or pelletized hot melt material such as adhesives from a storage container to a melt tank. The system includes a transition hopper having insulation between the hop... | 08/11/1998 |
| 5791073 | Vacuum excavation system A vacuum excavation system is provided in which a vacuum is generated for withdrawing dirt, water or other material from a vacuum excavation site, and whereby such material is delivered to a containment structure, preferably of the hopper type having a di... | 08/11/1998 |
| 5727909 | Closed loop pneumatic transport system A closed looped pneumatic transport unloading system in a cotton gin transports seed cotton from a trailer or module into the cotton gin. The closed looped pneumatic transport unloading system includes a fan, a cotton receiving unit, a separator, and a cy... | 03/17/1998 |
| 5669741 | Device for separating powder material from an air flow A device is disclosed for automatically collecting powder material displaced from between a belt conveyor and a chute which is disposed above the belt conveyor for feeding the powder material onto the belt conveyor, and for placing the collected powder ma... | 09/23/1997 |
| 5645381 | Variable-split blowdown coal feed system A variable-split blowdown coal feed system supplies two streams of air entrained pulverized coal in a uniform, well-metered steady state manner. Splitter dampers control a split of a coal and air mixture into two streams which are fed to respective cyclon... | 07/08/1997 |
| 5641339 | Tangential separator and method A method and apparatus for separating material transported by air is disclosed which includes a separator casing having a tangential inlet adapted to receive a stream of air and entrained material and a plurality of exits. One of the exits of the disclose... | 06/24/1997 |
| 5598647 | Material transfer apparatus and method In a material transfer system, material from an excavation is drawn into a vessel by suction from a vacuum source. The vessel has discharge flaps at the bottom that are held closed by the suction. When the weight of the material in the vessel reaches a pr... | 02/04/1997 |
| 5575596 | Closure device for a conveying unit operating in a vacuum A closure device for the discharge outlet of a bulk material conveying unit which operates under vacuum. The outlet has a circular cross-section, and the outlet opening of the conveying unit is closed by means of a freely movable closure element, particul... | 11/19/1996 |
| 5518343 | Dust-free powder substance delivery and filter system A substance delivery and filter system for use in delivering or conveying a dry, fluid powder substance from a closed container to an open receptacle is provided. The delivery and filter system includes a filter housing having a heavy particle cyclone sep... | 05/21/1996 |
| 5519420 | Air system to protect ink jet head A system for cleaning documents of dust particles as the documents are moved to a print station in a terminal where an ink jet printer is used to print on the documents. A vacuum manifold is positioned upstream of the print station to clean a document of ... | 05/21/1996 |
| 5518529 | Method and device for ash discharge A method of feeding out dust in a dust discharge system in a power plant including feeding out dust pneumatically from a separator via a suction nozzle by using transport gas with a pressure exceeding atmospheric pressure, supplying diluting gas into the ... | 05/21/1996 |
| 5478172 | Apparatus for feeding ultrafine powder in quantitative batch operation Ultrafine powder is stored in a pneumatic transportation tank (20), and is discharged to a transporting conduit (23) while being fluidized by the pressurized air fed through a fluidizing air port (24). The ultrafine powder is fed to a weigher (30) provide... | 12/26/1995 |
| 5294218 | Centrifugal discharger for waste materials having a low weight/area ratio A centrifugal discharger, particularly for cigarette manufacturing and/or packing machines, for disposing of waste fibrous and/or sheet material inside a fluidtight bin; wherein a centrifugal separator presents a cylindrical lateral wall, the bottom porti... | 03/15/1994 |
| 5294217 | Apparatus for feeding powder coating apparatus with a powder-air mixture An apparatus for feeding powder coating apparatus with a powder-air mixture, whereby the powder is fluidized in a reservoir, the powder-air mixture that has thereby arisen is conveyed to a dosing container via conveyor lines and is prepared in this dosing... | 03/15/1994 |
| 5269637 | Single-loop dust separation cyclone A dust-separation cyclone is disclosed which includes a volute-shaped separation chamber constructed so that the path of dust containing gas circulating therein describes substantially one single loop, and the gas flow is separated into two separate sub-s... | 12/14/1993 |
| 5265984 | Method for reducing pressure losses in cyclone separator and ducting system for cyclone separator A method for reducing pressure losses in a cyclone separator includes introducing a gas entraining a particulate material into a duct connected to the cyclone separator, separating at least a portion of the particulate material through an opening formed i... | 11/30/1993 |
| 5252008 | Granular material transfer system A material transfer system for loading lightweight granular plastic material into injection molding machines and the like includes a reservoir sight glass assembly connected to the associated machine and a lightweight pressure relief chamber attached to t... | 10/12/1993 |
