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| Number | Title | Issue Date |
| 7998052 | Rotor defining a fluid separation chamber of varying volume A rotor having variable volumes adapted for collecting and centrifuging biological fluids including an impermeable flexible body having a cylindrical shape with stretchable vertical walls and semi pliant base and a rigid circular member seamlessly joined to the top ... | 08/16/2011 |
| 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 |
| 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 |
| 7223346 | Methods and apparatus for isolating platelets from blood A platelet collection device comprising a centrifugal spin-separator container with a cavity having a longitudinal inner surface. A float in the cavity has a base, a platelet collection surface above the base, an outer surface. The float density is below the density... | 05/29/2007 |
| 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 |
| 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 |
| 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 |
| 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 |
| 6824506 | Shaped diaphragm for a centrifuge system rotor A shaped diaphragm as a part of a fluid processing disposable set acting as a centrifuge system rotor. The fluid processing disposable set has a variable-volume chamber and a fluid port. The shaped diaphragm defines a wall of the variable-volume chamber. The chamber... | 11/30/2004 |
| 6511596 | Apparatus for cleaning liquids The invention relates to an apparatus comprising a drum drivable in rotation having a conical jacket wall which is mounted on a fixedly arranged core; supply means for carrying the contaminated liquid into the interior of the drum; discharge means for dis... | 01/28/2003 |
| 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 |
| 6248053 | Centrifugal separator comprising tubular elements The invention relates to a device and process for centrifugal separation of solid particles from a liquid. The device comprises a vessel rotatable around a vertical axis. The vessel has a separation zone with separation surface elements. The separation su... | 06/19/2001 |
| 6168715 | Device for oil treatment of sintered parts The invention concerns a device for the oil treatment of sintered parts consisting of a drum (11, 111) which is mounted so that it can rotate about a vertical axis and which can be driven. It has a drum mantle (11', 111') and loading and unloading devices... | 01/02/2001 |
| 6083147 | Apparatus and method for discontinuous separation of solid particles from a liquid A device and a process for centrifugal separation of solid particles from a liquid is disclosed. The device comprises a vessel rotatable around a vertical axis. The vessel has a separation zone with separation surface elements. The separation surface elem... | 07/04/2000 |
| 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 |
| 6059971 | Device and process for thickening and conveying waste water sludge The present invention relates to a device and a process for thickening and conveying waste water sludges, especially with a centrifuge. Here, the centrifuge has at least one lysis device for the breaking down of cells of organisms contained in the waste w... | 05/09/2000 |
| 6007472 | Variable volume cell saver bowl A variable volume cell saver bowl to centrifuge blood for collection of red blood cells therefrom. The variable volume cell saver bowl is designed to vary the interior processing volume within the bowl to accommodate blood collections of various volumes i... | 12/28/1999 |
| 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 |
| 5728040 | Variable volume cell saver bowl A variable volume cell saver bowl for to centrifuge blood for collection of red blood cells therefrom. The variable volume cell saver bowl is designed to vary the volume within the bowl to accommodate blood collections of various volumes in order to use t... | 03/17/1998 |
| 5676835 | Horizontal vibratory centrifuge A horizontal screen separator of the present invention includes a base having a housing mounted thereon which contains an horizontal screen basket for receiving product to be dried. The basket is rotatably and vibrationally driven to dry the product. The ... | 10/14/1997 |
| 5566605 | Centrifugal type extraction cell having a deformable sealing joint for a hot beverage preparation machine An extraction cell of the centrifugal type for a hot beverage preparation machine, including a grounds collection drum on which is mounted, in a sealed manner by a sealing structure, a cover provided with a liquid delivery orifice, and a filtration struct... | 10/22/1996 |
| 5487720 | Particle concentrator Upper and lower bowl members are mounted on a common linear cylindrical member and a relief valve provides controlled gas pressure within a centrifuge housing in a low speed decanting centrifuge for separating relatively large particulate material (e.g. y... | 01/30/1996 |
| 5484383 | Orbital separator for separating more dense and less dense components of a mixture having a controllable discharge passageway An orbital separator for separating denser and lighter components of a mixture employing a separation container having an inlet end and an outlet end. An inlet tube is secured to the separation container inlet end and communicates between the exterior and... | 01/16/1996 |
| 5441475 | Centrifugal separator with axially separable bowl elements A centrifugal separator has a separation chamber housing split into mating, unhinged clamshell sections. One clamshell section includes a pipe extending through the other clamshell section. The separation chamber rotates about the axis of the pipe. A spri... | 08/15/1995 |
| 5306423 | Discontinuously operating filter centrifuge with noninverting filter bag A discontinuously operated filter centrifuge has its noninverting filter bag attached only to the filter bottom which is displaceable out of the filter drum, so that when the filter bag is displaced out of the filter drum, a clearance is provided between ... | 04/26/1994 |
| 5186708 | Centrifugal separator having a rotor body with a movable wall The rotor of a centrifugal separator includes two axially separated end walls and one surrounding wall situated between the end walls. The end walls and a stack of separation discs within the rotor are maintained axially together by a central fastener. Th... | 02/16/1993 |
| 5180358 | Adjustment mechanism for low speed particle concentrator Adjustment mechanisms for a low speed decanting centrifuge (10) for separating relatively large particulate material (e.g. yeast) from a feedstock are disclosed. The centrifuge is clamped to a container (12) and the centrifuge housing (18) is pressurized ... | 01/19/1993 |
| 4840612 | Centrifugal separator and method of operating same In a centrifugal separator, the rotor of which has a separation chamber (7) with an inlet (16) for a liquid mixture, a constantly open central outlet (23) for a separated liquid and an intermittently openable peripheral outlet (13) for separated solids, a... | 06/20/1989 |
| 4832851 | Centrifugal force-enhanced filtration of fluids A filtration apparatus and method is disclosed, the apparatus including a container tube for holding a sample to be filtered and a filtering vessel inserted therein. The filtering vessel carries a filter over its lower end and includes a chamber portion f... | 05/23/1989 |
| 4820256 | Centrifugal separator In a previously known centrifugal separator the separation chamber (4) of the centrifuge rotor has an inlet (9) for a mixture of two liquids and relatively heavy solids, a central outlet (23a) for separated light liquid and a periphery outlet (12) for sep... | 04/11/1989 |
| 4813923 | Centrifugal separator A centrifugal separator comprises a rotor having two separate coaxial rotor parts, means for axially interlocking these parts, and means arranged for discharging liquid from the separation chamber of the rotor so that the liquid pressure in the separation... | 03/21/1989 |
| 4781670 | Centrifuge drum A centrifuge drum has a chamber that can accommodate fluid formed by a concentric component inserted into the drum. The concentric component has a sealing ring accommodated in an annular groove at its outer diameter. The base of the annular groove can be ... | 11/01/1988 |
| 4468215 | Centrifuge Centrifuge and in particular a tubular conifuge for the purification of liquids and for the concentration of sludge, the centrifuge consists of two drum halves and one axially displaceable tube or shell connecting the drum halves, with axial introduction ... | 08/28/1984 |
| 4347971 | Centrifuge apparatus A centrifuge is disclosed comprising an elongated shaft, rotatable about its longitudinal central axis, a bowl having upper and lower portions secured to axially spaced portions of the shaft forming a centrifuge chamber therein. The shaft has a passageway... | 09/07/1982 |
| 4343431 | Centrifugal separator This invention relates to centrifugal separators of the kind having sludge ports at the rotor periphery to be opened during operation and separate outlets for separated heavier liquid phase and separated lighter liquid phase. To reduce the losses of valua... | 08/10/1982 |
| 4288029 | Separator with pressure-responsive discharge A rotary separator has a separation vessel comprised of opposed conical sections and has an annular gap between the sections for discharge of solid material. A sleeve surrounds the separation vessel and is attached to the lower conical section thereof by ... | 09/08/1981 |
