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| Number | Title | Issue Date |
| 8021290 | Oil centrifuge for extracting particulates from a fluid using centrifugal force A centrifuge is employed to continuously remove particulates from a fluid. In one embodiment, the centrifuge removes small particles of soot from lubricating oil of diesel engines. The fluid is introduced into the centrifuge through a distribution rotor so that vort... | 09/20/2011 |
| 7374678 | Apparatus and method for separating and concentrating fluids containing multiple components An apparatus that allows for separating and collecting a fraction of a sample. The apparatus, when used with a centrifuge, allows for the creation of at least three fractions in the apparatus. It also provides for a new method of extracting the buffy coat phase from... | 05/20/2008 |
| 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 |
| 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 |
| 7306556 | Entrainment device for a centrifugal rotor An entrainment device for a centrifugal rotor, which is rotatable about a central rotational axis, having a number of entrainment members arranged in said space for entrainment of entering liquid in the rotation of the centrifugal rotor. The entrainment device compr... | 12/11/2007 |
| 7297272 | Separation apparatus and method A separation apparatus and method are employed using a separation channel for rotation about an axis. Such channel includes radially spaced apart inner and outer side wall portions and an end wall portion. An inlet conveys fluid into the channel. A barrier is locate... | 11/20/2007 |
| 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 |
| 7211037 | Apparatus for the continuous separation of biological fluids into components and method of using same The present invention provides an apparatus for separating components of a fluid having an outer housing containing a core wherein three separate fluid pathways are provided to allow continuous separation of biological fluids. ... | 05/01/2007 |
| 7189197 | Centrifuge with a split shaft construction A centrifuge for separating out particulate matter from a fluid includes a rotor shell that is rotatably coupled to a shaft through a first bushing and a second bushing. The shaft includes a first shaft section that is detachably coupled to a second shaft section in... | 03/13/2007 |
| 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 |
| 7144361 | Continuous flow type centrifuge having rotor body and core body disposed therein A continuous flow type centrifuge to which a liquid sample is continuous supplied. The centrifuge includes a rotor rotatably supported by a main housing and drivingly rotated by a motor. The rotor includes a cylindrical rotor body, a hollow cylindrical core body, an... | 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 |
| 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 |
| 6984200 | Centrifugal separator for separating solid contaminants from a liquid, rotor for use therein and method of separating contaminants from liquids A centrifugal separator 110 (FIG. 1) for removing contaminants from a pumped liquid such as engine lubricant, having a separation rotor 130 rotatable about axis 124 at high speed by a jet 178 of the liquid impinging upon impulse tu... | 01/10/2006 |
| 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 |
| 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 |
| RE38855 | Centrifugal separator with one or more internal contaminant barriers A centrifugal separtor for non-cohesive particulates, such as are found in transmission oils and hydraulic liquids, rather than the cohesive combustion products found within internal combustion engine lubricants, consists of a housing enclosing a vertical spindle on... | 10/25/2005 |
| 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 |
| 6849039 | Blood processing systems and methods for collecting plasma free or essentially free of cellular blood components Blood separation systems and methods introduce blood into an annular separation channel between a low-G wall and a high-G wall while rotating the separation channel about an axis, for separation of the blood into blood components. The annular separation channel has ... | 02/01/2005 |
| 6773389 | Fluid separation devices, systems and/or methods using a fluid pressure driven and/or balanced configuration A centrifugal fluid separation system separates a composite fluid into components. The system includes a rotor that has a composite fluid containment area, an inlet channel, a peripheral separation channel, outlet channels and separated component collection areas, w... | 08/10/2004 |
| 6736768 | Fluid separation devices, systems and/or methods using a fluid pressure driven and/or balanced approach A centrifugal separation device separates a composite fluid, such as blood, into the components thereof. The fluid is delivered to a fluid receiving area in a rotor from which area the fluid travels through a radial inlet channel having an inlet channel height to a ... | 05/18/2004 |
| 6699169 | Centrifugal extractor with neutron absorption body A centrifugal extractor has a rotor supported rotatably in a housing 10, and an aqueous phase liquid and an organic phase liquid are supplied to the outer circumference of the rotor and mixed between the housing and the rotor. A mixed phrase liquid is suc... | 03/02/2004 |
| 6629919 | Core for blood processing apparatus The invention is directed to a centrifugation bowl with a rotating core. The centrifugation bowl includes a rotating bowl body which defines a primary separation chamber. The core, which is generally cylindrically shaped and is disposed within the bowl bo... | 10/07/2003 |
| 6616590 | Low-shear feeding system for use with centrifuges There is provided a centrifugal separator for solid-liquid separations. The centrifugal separator comprises (a) an accelerator rotatable at an angular velocity, ω about an axis, and having an inside surface with a point on the axis, and (b) a nozzle for ... | 09/09/2003 |
| 6551230 | Molded spiral vane and linear component for a centrifuge A self-driven centrifuge for separating particulate matter out of a circulating liquid includes a stand pipe that is constructed and arranged to deliver fluid. A vane assembly is adapted to receive fluid from the stand pipe. The vane assembly includes a l... | 04/22/2003 |
| 6533713 | Entraining device for a centrifugal separator The invention is an entrainment device for a centrifugal separator. The entrainment device is comprised of two axial delimiting surfaces. One axial delimiting surface turns axially towards and the other turns axially away form an inlet chamber outlet of t... | 03/18/2003 |
| 6440054 | Apparatus for liquid-liquid extraction Liquid--liquid extraction apparatus includes a separator tank rotatable about an axis extending through the tank, a tank inlet for a mixture of two liquids of different densities and which are substantially insoluble in each other, a tank outlet on the ax... | 08/27/2002 |
| 6398706 | Centrifugal mud separator A centrifugal mud separator includes a base frame, a lower cap, a movable disk, a vane ring, an upper cap, a converging impeller, a soil retention speed reducer and a soil scraping means. Through high speed rotation, a centrifugal force and a stepless rot... | 06/04/2002 |
| 6238331 | Centrifugal separator with separation funnel A self-powered centrifugal separator for removing particulate contaminants from engine lubricant includes a rotor canister which is spun at high speed about a vertical axle by ejection of the lubricant supplied to the canister at elevated pressure by way ... | 05/29/2001 |
| 6238329 | Centrifugal separator for mixed immiscible fluids A machine for separation two liquids of different densities from a mixture has a separation chamber with radially disposed fins that rotates about a central axis. The separation chamber has an outside wall with a first weir extending toward the central ax... | 05/29/2001 |
| 6234949 | Centrifugal separator with one or more internal contaminant barriers A centrifugal separtor for non-cohesive particulates, such as are found in transmission oils and hydraulic liquids, rather than the cohesive combustion products found within internal combustion engine lubricants, consists of a housing enclosing a vertical... | 05/22/2001 |
| 6149569 | Centrifuge apparatus with measuring device on a transparent cover The present invention is a centrifuge essentially comprised of a rotor and a transparent cover which can be fixed to the rotor. The cover is provided with a plurality of spaced concentration lines each extending around the cover and a plurality of differe... | 11/21/2000 |
| 6126587 | Centrifugal separator apparatus including a plow blade assembly A centrifugal separator system for substantially separating a combination of material into a substantially pure solid portion and a substantially pure liquid portion. In one form of the centrifugal separator a plow blade assembly is rotatable relative to ... | 10/03/2000 |
| 6123655 | Cell separation system with variable size chamber for the processing of biological fluids This invention proposes an improved portable and disposable centrifugal apparatus having a centrifugal processing chamber (13) of variable dimensions that can process a variable quantity of biological fluid, even down to very small quantities, by displace... | 09/26/2000 |
| 6095965 | Centrifugal separator for dry components A centrifugal separator for separating two components of a dry mixture has an annular surface inclined upwardly outwards and having a vertical axis of symmetry and a drive mechanism for rotating the surface around the vertical axis of symmetry. A centrall... | 08/01/2000 |
| 6068587 | Centrifugal separator for separating solids and liquids in a slurry A centrifugal separator for separating solid from liquid comprises a stand, a lower cover, a leaf-blade base, an upper cover, a fender wall, and a scrape assembly. The centrifugal force produced by high-speed rotation of the upper and the lower cover enab... | 05/30/2000 |
| 6059712 | Apparatus for continuous separation of fine solid particles from a liquid by centrifugal force The apparatus for the continuous separation of liquid and relatively fine particles from a liquid slurry includes one or more centrifuge vessels disposed about a longitudinal axis of rotation, and a driver for rotating the centrifuge vessel or vessels. A ... | 05/09/2000 |
