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| Number | Title | Issue Date |
| 8021289 | Clean-in-place decanter centrifuge A clean-in-place decanter centrifuge for processing a combined liquid and solid material to separate the solid material from the liquid. The centrifuge is designed for use in the food processing industry, particularly for dairy products, and therefore has fluid inje... | 09/20/2011 |
| 7503888 | Centrifugal separator of heavier particulate materials from light particulate materials in a slurry using a stepped lead-in surface A centrifuge bowl for separating heavier particles from lighter particles and water comprises a conical lead-in wall leading of the bowl to a single recess or a pair of annular recesses at axially spaced positions. Each recess is generally V-shaped with an upper sid... | 03/17/2009 |
| 7500943 | Centrifugal separator of heavier particulate materials from light particulate materials in a slurry using a ring in the collection recess A centrifuge bowl for separating heavier particles from lighter particles and water comprises a conical lead-in wall leading of the bowl to a single recess or a pair of annular recesses at axially spaced positions. Each recess is generally V-shaped with an upper sid... | 03/10/2009 |
| 7448992 | Washing of separated solids in solid bowl and screen bowl decanting centrifuges A solid or screen bowl decanting-type centrifuge comprising: a rotatable bowl; a helical scroll conveyor which rotates coaxially within the bowl at a different rotational speed, the helical scroll comprising a hub carrying a plurality of flights whose radiall... | 11/11/2008 |
| 7371322 | Filtration system and dynamic fluid separation method A filtration system is provided with filter media operable to remove solids, particulate and colloidal matter from a process fluid. The filtration system may include one or more porous membranes which are anchored or secured on their periphery with a large open work... | 05/13/2008 |
| 7371246 | Barrel pinch fastener and applier Surgical fasteners (100) are disclosed for terminating flow of fluid through a body lumen, including an outer barrel (102) having an annular side wall (106) having at least a pair of radial slots (110) formed therein, and an inner barrel ... | 05/13/2008 |
| 7354388 | Separator having a centrifugal drum and a piston slide A separator including a rotatable drum having a drum top part, a vertical axis of rotation and a disk stack arranged therein. Also included is a piston slide for opening and closing solids discharge openings in the drum. A radial gap is formed between the drum top p... | 04/08/2008 |
| 7335312 | Centrifuge with combinations of multiple features A centrifuge with combinations of multiple features is disclosed. In one aspect, a centrifuge for removing more dense material from a fluid medium includes a fluid separation wall placed within a sleeve. The fluid separation wall rotates around the axis of rotation.... | 02/26/2008 |
| 7320750 | Centrifuge with controlled discharge of dense material A centrifuge with controlled discharge of dense materials disclosed. A centrifuge includes a fluid separation wall placed within a sleeve to form a containment zone therebetween. The fluid separation wall aligns and rotates parallel to an axis of rotation. A recepta... | 01/22/2008 |
| 7314441 | Method for separating particulate matter from a fluid stream A method for separating particulate matter from a fluid includes feeding a fluid containing a particulate matter into a chamber of a vessel through an inlet, the chamber being at least partially bounded by a peripheral wall and the chamber also communicating with a ... | 01/01/2008 |
| 7294274 | Filtration system with enhanced cleaning and dynamic fluid separation A filtration system is provided with filter media operable to remove solids, particulate and colloidal matter from a process fluid. Acoustic, vibration and sonic energy may be used to clean associated filter media to allow substantially continuous filtration of proc... | 11/13/2007 |
| 7282147 | Cleaning hollow core membrane fibers using vibration A filtration system is provided with hollow membrane filter elements operable to remove solids, particulate and colloidal matter from a process fluid. Acoustic, vibration and ultrasonic energy may be used to clean exterior portions of the hollow membrane filter elem... | 10/16/2007 |
| 7241281 | Blood component separation method and apparatus An apparatus and method for collecting whole blood and then separating it into components for subsequent use or storage. A self-contained bag set is used to collect the sample, which may then be placed into container adapted to fit into a centrifuge for separation o... | 07/10/2007 |
| 7204795 | Deviation ring for a self-distributing centrifuge The invention relates to a deviation ring for paste comprising an annular rebound wall (2) for a self-distributing centrifuge (1). The invention also relates to a corresponding self-distributing centrifuge (1). In the deviation ring, the angle o... | 04/17/2007 |
| 7144360 | Centrifugal separator with a separate strip insert mounted in the bowl A centrifuge concentrator bowl includes a plurality of fluidized recesses at axially spaced positions along the peripheral wall. Each recess is defined by two side walls which has water injection holes for fluidizing materials collecting in the recess. Some of the r... | 12/05/2006 |
| 7134991 | Annular centrifugal extractor with embedded stirring rotor An annular centrifugal extractor with an immersed agitation rotor. The liquid-liquid centrifugal extractor including an emulsion chamber and a settling chamber, aligned because of the addition of a section of axis to the rotor, which allows flow and operation to be ... | 11/14/2006 |
| 7090634 | Driving system for a separator having a centrifugal drum and a neck bearing A driving system for a separator having a centrifugal drum with a vertical axis of rotation. The driving system includes a vertically aligned driving spindle configured to accommodate a centrifugal drum. The driving spindle is arranged by a neck bearing and a footst... | 08/15/2006 |
| 7033311 | Cleaning device for drum centrifuge A centrifuge having a drum rotatable in a predetermined direction about a drum axis has a cleaning device with a cleaning shaft extending generally parallel to the drum axis into the drum along a shaft axis. A pair of elongated slat-shaped cutters have inner ends fi... | 04/25/2006 |
| 7001322 | Multiple processing chamber set and use thereof A multiple sample processing apparatus for a continuous flow centrifuge, including a plurality of axially aligned processing chambers and expressor chambers, each chamber comprising an axial opening, in a fixed arrangement, and a plurality of central hubs disposed i... | 02/21/2006 |
| 6997859 | Centrifugal separator with fluid injection openings formed in a separate strip insert A centrifuge concentrator bowl includes a plurality of fluidized recesses at axially spaced positions along the peripheral wall. Each recess is defined by two side walls converging toward a base which has water injection holes for fluidizing materials collecting in ... | 02/14/2006 |
| 6986732 | Centrifugal separation bowl with material accelerator A centrifuge bowl has a bottom accelerator for accelerating the materials from a feed duct extending into the bowl. The accelerator is a molded body having a top plate with a central hole arranged to receive the materials from the bottom feed mouth of the duct and a... | 01/17/2006 |
| 6971525 | Centrifuge with combinations of multiple features A centrifuge with combinations of multiple features is disclosed. In one aspect, a centrifuge for removing more dense material from a fluid medium includes a fluid separation wall placed within a sleeve. The fluid separation wall rotates around the axis of rotation.... | 12/06/2005 |
| 6969343 | Centrifuge with a sieve system and method for operating the same A centrifuge, comprising a distributor for introducing material to be centrifuged and a sieve system having a plurality of axially mutually offset membrane plates, the membrane plates being arranged radially with respect to the distributor and having at least two ax... | 11/29/2005 |
| 6962560 | Continuous centrifugal separation of slurry using balls contained in a recess of a bowl A centrifuge bowl for separating heavier particles from lighter particles and water comprises a first conical bowl wall leading to a pair of annular recesses at actually spaced positions. Each recess is generally V-shaped with an upper side wall, a lower side wall a... | 11/08/2005 |
| 6932913 | Method for vibration in a centrifuge A system and method for vibration in a centrifuge is disclosed. A centrifuge for removing more dense material from a fluid medium includes a fluid separation wall placed within a non-rotating sleeve. The fluid separation wall rotates around the axis of rotation and ... | 08/23/2005 |
| 6857997 | Bio cell cleaning centrifuge having bio cell cleaning rotor provided with cleaning liquid distributor A bio cell cleaning rotor assembled in a centrifuge. The rotor includes a plurality of test tube holders for holing a plurality of test tubes. The holders are pivotally movably supported to a rotor body so that the test tube holders are moved toward a horizontal dir... | 02/22/2005 |
| 6846281 | Bio cell cleaning centrifuge having detachable chamber body A bio cell cleaning centrifuge having a detachable inner chamber body. The centrifuge includes a rotor detachable from a drive mechanism. Test tube holders are pivotally movably supported on the rotor for holding test tubes. A cleaning liquid distributor is detachab... | 01/25/2005 |
| 6817970 | Centrifuge for extracting interstitial fluid A centrifuge is provided for recovering material of interest from the interstitial fluids of plant tissues. The centrifuge includes a rotatable centrifuge bowl having a radially outer wall inclined outwardly so that during centrifugation liquid in the bowl climbs th... | 11/16/2004 |
| 6740027 | Solid bowl centrifuge with liquid release during rotation A solid bowl centrifuge with liquid release during rotation includes a frame, solid bowl, drive device, scraper assembly, slurry spray, and liquid collection trough. The solid bowl includes a centrifuge chamber, and a liquid evacuation chamber. A plurality of openin... | 05/25/2004 |
| 6719681 | Methods for centrifugally separating mixed components of a fluid stream A multiple-component fluid mixture is separated by feeding the fluid mixture into a chamber of a vessel through an inlet, the chamber being at least partially bounded by a peripheral wall and the chamber also communicating with an outlet. The fluid mixture includes ... | 04/13/2004 |
| 6193643 | Decantation centrifuge with peripheral washing nozzles The invention refers to a decanter centrifuge particularly for sludge centrifugation, incorporating a drum, a rotor arranged therein and equipped with a helical screw for feed of sludge, a sludge outlet and a reject outlet and a flush washing device for w... | 02/27/2001 |
| 6149572 | Continuous centrifugal separator of heavier particulate materials from light particulate materials in a slurry A centrifuge bowl for separating heavier particles from lighter particles and water comprises a first conical bowl wall leading to a pair of annular recesses at actually spaced positions. Each recess is generally re-shaped with an upper side wall, a lower... | 11/21/2000 |
| 6102843 | Flow enhanced one-pass centrifuge separator A one-pass centrifuge separator for mixtures of two liquids which may also contain gas. The centrifuge uses separation zones on a rotor's inner wall to improve separation efficiency and minimize turbulent mixing. The zones consist of surface and interface... | 08/15/2000 |
| 5944649 | Method and device for the supply of control liquid to a centrifugal separator Method and device (21) for the supply of control liquid to a rotor of a centrifugal separator, which device (21) includes a cylinder (25), in which a movable wall element (26) is arranged, which axially delimits a storing chamber (29) in the cylinder (25)... | 08/31/1999 |
| 5935432 | Centrifuge reagent delivery system A device for separating components, such as fibrin I from blood, by way of centrifugation about a central axis of rotation comprises a first annular chamber defined by an outer cylindrical wall and an inner cylindrical wall, both walls being concentricall... | 08/10/1999 |
| 5935425 | Centrifuge with rotatable scroll and means to mix flocculant with feed slurry A centrifuge such as a continuous solid bowl centrifuge, for example, includes a rotatable bowl for receiving a slurry, and defines a zone in which the slurry is accelerated. The centrifuge includes a device such as a slurry feed tube for delivering slurr... | 08/10/1999 |
| 5908376 | Self-cleaning rotor for a centrifugal separator A self-cleaning rotor assembly for a centrifugal separator can be thoroughly cleaned of accumulated solids without disassembly of the separator. The rotor assembly comprises a fully welded, enclosed rotor body. The rotor assembly has a double-ended, hollo... | 06/01/1999 |
| 5895345 | Centrifugal separator with a reduced number of fluidized recesses A centrifuge concentrator bowl of the type having a plurality of fluidized recesses at axially spaced positions along the peripheral wall of the bowl is modified by providing an increase in width of the area between each fluidized recess and the next. In ... | 04/20/1999 |
| 5728039 | Centrifugal separator with pulsed fluid injection A centrifuge bowl of the type having a base onto which the intermixed particulate materials in slurry form is fed for passing over the peripheral wall of the bowl includes a plurality of annular recesses at axially spaced positions on the peripheral wall ... | 03/17/1998 |
| 5610074 | Centrifugal method and apparatus for isolating a substance from a mixture of substances in a sample liquid A centrifugal rotor effects the isolation, in a sequence of steps, of a substance from a mixture of substances dissolved, suspended or dispersed in a sample liquid. Multiple samples are processed simultaneously by means of a plurality of fractionation cel... | 03/11/1997 |
