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| Number | Title | Issue Date |
| 7462225 | Gas separator agitator assembly An agitator assembly for use in a gas separator includes a central hub and at least one blade affixed to the central hub. The blade includes a leading end, a trailing end, a first curved portion adjacent to the leading end and a second curved portion adjacent to the... | 12/09/2008 |
| 7416661 | Mechanical flotation device for reduction of oil, alkalinity and undesirable gases A mechanical vessel may effectively and simultaneously displace a first undesired gas from within water with a second desired gas, and remove at least one alkaline species and oily matter from the water. The vessel raises the pH of the water and reduces the lime req... | 08/26/2008 |
| 7329086 | Rotor shaft, in particular for a gas turbine A rotor shaft, particularly for a gas turbine, includes a cooling air supply disposed inside the rotor shaft and a plurality of cooling air ducts connected to the cooling air supply and extending essentially radially outward toward an outside of the shaft, wherein e... | 02/12/2008 |
| 7232476 | Apparatus for scum removal An apparatus for scum removal is disclosed wherein toothed paddle induces turbulent effect on the fluids present in the reactor by means of its rotary motion. This results in both breaking and radial displacement of the scum, accumulated on the fluid during the cour... | 06/19/2007 |
| 7032444 | Module for extracting gas from an underground liquid and installation equipped therewith This invention concerns a module for extracting samples in gas phase of compounds present in an underground working liquid, the extractor module including a receptacle for the liquid, associated with a device for stirring the liquid, a liquid inlet duct, a liquid ev... | 04/25/2006 |
| 6962618 | Device for separating air from flotation foam Device and process for the removal of air from flotation foam formed during the flotation of a paper-fiber-containing suspension. The device includes a driven rotor that includes a shaft and at least one rotor blade positioned on the shaft, and a non-rotating wall a... | 11/08/2005 |
| 6761215 | Downhole separator and method A downhole separator has a housing defining an interior cavity divided into a first chamber and a second chamber by a flow restricting bearing housing. A shaft driven impeller pumps production fluid into the first chamber and to the bearing housing. The bearing hous... | 07/13/2004 |
| 6723158 | Gas separator improvements A gas separator has a separator member that rotates with a shaft for separation of fluid components. A flow divider directs more dense fluid to the pump and less dense fluid into an annulus surrounding the pump. An impeller is located within the flow divider for urg... | 04/20/2004 |
| 6716273 | Method and device for eliminating oxygen contained in aqueous monomer solutions A continuous process for removing oxygen from aqueous monomer solutions, including flowing an inert gas and a monomer solution in a column-shaped apparatus as a countercurrent, wherein the monomer solution is added at the head of the apparatus, flows through the app... | 04/06/2004 |
| 6660067 | Mechanical oxygen scavenger device It has been discovered that a mechanical device may be used to effectively displace a first undesired gas from within a liquid with a second desired or at least inert gas. The device is a vessel that receives the liquid containing the first gas and passes... | 12/09/2003 |
| 6629821 | Pump apparatus The present invention provides a multipurpose pump apparatus of high achievement, which can continuously pump and convey liquid even containing a large amount of foams and can make high level defoaming function and degassing function, and pumped liquid st... | 10/07/2003 |
| 6613128 | Twin screw extruder, method of making aromatic polycarbonate using a twin screw extruder, and method of removing volatiles from an aromatic polycarbonate melt An aromatic polycarbonate extruder which is a twin screw extruder for kneading components into a molten aromatic polycarbonate, the extruder having at least one module consisting of a kneading unit, a material seal unit, a back kneading unit and full-flig... | 09/02/2003 |
| 6391094 | Method and apparatus for removing gas from drilling mud An apparatus and method that is used for removing gas from drilling mud coming from gas and oil well-bores. The apparatus receives the gas ladened drilling mud and utilizes the energy from the gas ladened mud to power blower fans that are used to discharg... | 05/21/2002 |
| 6345908 | Device for mixing and degassing a flowable mass The device is used to mix and degas a flowable mass (5), in particular a filler-containing casting resin. It is provided with a cylindrically constructed, evacuatable container (1), the container axis (2) of which is oriented essentially vertically. Guide... | 02/12/2002 |
| 6197095 | Subsea multiphase fluid separating system and method A subsea multiphase fluid separation system and method are disclosed which provide for efficient and reliable remote separation operation at deep and ultra deep water depths including depths of ten thousand feet or more. The system is preferably of modula... | 03/06/2001 |
| 6155345 | Downhole gas separator having multiple separation chambers A submergible pumping system having a gas separator with multiple separation chambers. The gas separator includes an outer housing having a hollow interior divided into a plurality of separation chambers. A shaft and an inducer are rotatably mounted withi... | 12/05/2000 |
| 6117217 | Agricultural liquid ammonia pump-vapor stripper A liquid ammonia pump-vapor stripper unit is disclosed having an impeller pump assembly which increases the system pressure before it is delivered to a receiver-accumulator where the ammonia vapor mass formed along its path from the storage tank is separa... | 09/12/2000 |
| 6103128 | Method and apparatus for mixing gas with liquid A mixing device in the form of a centrifugal pump is used to mix gas (typically air) with liquid (typically effluent water, dispersion water, or waste paper pulp suspension, etc.). The pump is provided with a common inlet conduit for both the liquid and t... | 08/15/2000 |
| 6071331 | Method and apparatus for separating gas from a gaseous material Gas is separated from fluent material, particularly a liquid or a cellulose fiber suspension having a consistency of about 8-18%, utilizing a closed separation apparatus having a spiral housing with a central axis, a fluent material inlet channel, a fluen... | 06/06/2000 |
| 5792246 | Defoaming apparatus A defoaming apparatus is used in a reactor in which a chemical reaction, involving the formation of foam, is effected. The defoaming apparatus includes an impeller disposed at an upper portion of an interior of the reactor, and a motor for rotating the im... | 08/11/1998 |
| 5720799 | Multistage two-phase turbine A multistage two-phase turbine having multiple stages to receive fluid, each stage having an inlet and outlet including nozzles at the inlet to each stage to accelerate the fluid that consists of a mixture of gas and liquid, to form two-phase jets; a rota... | 02/24/1998 |
| 5634963 | Degassing apparatus and use thereof An apparatus suitable in particular for degassing fluoropolymers which have been subjected to thermal degradation contains--in the direction of flow of the product--a product intake, a coolable conveyor section, a comminution apparatus, a heated conveyor ... | 06/03/1997 |
| 5580214 | Multiphase fluid treatment An apparatus for the treatment of a multiphase fluid, comprising a rotatable shaft having a fluid flow path coaxial with the shaft. A fixed guide member surrounds the shaft and comprises annular plural helical channels for imparting centrifugal forces to ... | 12/03/1996 |
| 5577575 | Method and apparatus for sweeping moisture and dirt from returning oil of a circulating lubrication system A method and an arrangement in a circulation lubrication system including a lubricating oil tank; pressure pipe lines for supplying oil to parts to be lubricated; return pipe lines for returning the oil from the parts to be lubricated to the oil tank. To ... | 11/26/1996 |
| 5554343 | Particle and light and heavy fluid separator A fluid centrifuge device for separating fluids and/or solids comprises a non-rotatable containment vessel (6) and a rotatable shroud (6A) of conical or other form within said vessel (6). The vessel (6) is located between an inlet assembly (2) including a... | 09/10/1996 |
| 5525146 | Rotary gas separator A rotary gas separator for use with a progressive cavity pump which includes a separation housing having an internal separation chamber with a bladed separator rotatably mounted therewithin for separating introduced fluid into a gas constituent and a liqu... | 06/11/1996 |
| 5516360 | Abrasion resistant gas separator A gas separator for a submersible centrifugal pump or well has hardened cases on the components exposed to well fluid within the interior of the gas separator. The gas separator has a cylindrical sidewall with a bore. A shaft driven by a motor of the pump... | 05/14/1996 |
| 5494501 | Lubricant separator for a pneumatic tool lubrication system Lubricant in exhaust fluid from a pneumatic motor is extracted by a separator. The separator comprises a housing in which a cyclonic flow of the exhaust is created to expel the lubricant in the exhaust. The exhaust is directed through a turbine within the... | 02/27/1996 |
| 5462585 | Method and apparatus for separating gas from a gaseous material Gas is separated from fluent material, particularly a liquid or a cellulose fiber suspension having a consistency of about 8-18%, utilizing a closed separation apparatus having a spiral housing with a central axis, a fluent material inlet channel, a fluen... | 10/31/1995 |
| 5279709 | Method and apparatus for improving the control and treatment of fiber suspension flow A method and apparatus for controlling the flow of a fiber suspension having a direction of flow and a consistency from 5-25% including a treatment chamber having an axis extending in the direction of flow of the fiber suspension, a suspension inlet and a... | 01/18/1994 |
| 5269836 | Passive inline membrane degasser and liquefier The present invention describes a passive membrane degasser device in which solid chunks of photographic materials (15) are pumped past a hydrophobic membrane (10). Air from in between the chunks is forced through the membrane by pump pressure including a... | 12/14/1993 |
| 5266160 | Method of an apparatus for treating pulp The present invention relates to a method of and an apparatus for treating pulp. The apparatus according to the present invention is especially suitable for carrying out bleaching processes of the wood processing industry and for separation of residual ga... | 11/30/1993 |
| 5254145 | Centrifugal oil de-aerator A centrifugal oil de-aerator includes a centrifuging bowl which is mounted for rotation about its axis, and radial blades mounted within the bowl at one end such that the oil to be de-aerated can be projected as a jet onto the blades to cause the bowl to ... | 10/19/1993 |
| 5141535 | Apparatus for separating gas from a suspension A method of and an apparatus for separating gas from a gas containing suspension, generally a liquid medium, which may contain solid material, such as fibers in the pulp and paper industry. At least a portion of the suspension is first subjected to the ce... | 08/25/1992 |
| 5084189 | Method and apparatus for separating fluids having different specific gravities An axial flow-type pump for separating immiscible fluids having different specific gravities and a discharge manifold fluid connected to the fluid pump for drawing of the fluid having the heavier specific gravity. The fluid pump employs a rotatable impell... | 01/28/1992 |
| 5078573 | Liquid ring pump having tapered blades and housing A liquid ring vacuum pump includes a vacuum pump housing composed by two opposed end walls spaced by an annular wall defining a vacuum pump chamber; a shaft extends into the vacuum pump chamber; a rotor is mounted on the shaft and is arranged eccentricall... | 01/07/1992 |
| 5019136 | Method and apparatus for separating gas with a pump from a medium being pumped The method and apparatus include that the rear vanes (11) of the pump or the members operating therewith are arranged so that they either direct the flow of the medium, generated by the combined effect of forces with different directions and different int... | 05/28/1991 |
| 5004407 | Method of scavenging air and oil and gear pump therefor A method of scavenging air and oil from a component (3) of an aircraft for returning the oil to a reservoir (4) for recirculation to the component involves the use of a gear pump (1) for scavenging the oil and gas. The gear pump centrifugally separates oi... | 04/02/1991 |
| 4900335 | Centrifugal pump wheel and method of pumping gas containing liquid by means of a centrifugal pump A centrifugal pump wheel (4) comprises a rear (6) and/or a front (9) covering plate or dish, which has a plurality of gas evacuation openings (8) located leeward of the pump wheel vanes (5). To increase the effectivity of the gas evacuation and thereby im... | 02/13/1990 |
| 4886530 | Single stage pump and separator for two phase gas and liquid mixtures Difficulties in pumping mixtures of gases and liquids are avoided in a rotary machine which both pumps and separates the mixture and which includes a generally tubular, elongated pump housing 10 having a suction inlet 22 at one end, a first outlet 32 for ... | 12/12/1989 |
