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| Number | Title | Issue Date |
| 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 |
| 7331919 | Centrifugal drum for a separator A centrifugal drum for a separator having a vertical axis of rotation, including a drum bottom part and a drum cover fastened to the drum bottom part by a locking ring. Also included is a centering ring arranged between the drum bottom part and the drum cover such t... | 02/19/2008 |
| 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 |
| 7074173 | Centrifuge having a centrifugal drum and a groove including a seal A centrifuge including a centrifugal drum that includes a centrifugal chamber and a centrifugal chamber bottom part displaceable relative to the centrifugal drum. Also included is a piston slide axially displaceably arranged to be in and/or on the centrifugal drum. ... | 07/11/2006 |
| 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 |
| 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 |
| 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 |
| 5935051 | Blood separation device A separator and a method for quickly separating an aliquot of plasma or serum from cells in a sample of blood is provided herein. The separator includes a housing which defines a separation container, an outlet aperture, a valve which selectively seals th... | 08/10/1999 |
| 5865719 | Self-emptying centrifugal drum A self-emptying centrifuge drum has a collecting channel for emptying the drum and a fitting for introducing water into the collecting channel. The drum is rotatable and is hydraulically actuatable by water introduced into the collecting channel through t... | 02/02/1999 |
| 5792037 | Centrifugal rotor and a slide for such a rotor In the rotor of a centrifugal separator there is an annular slide (6) for opening and closing of a periphery outlet (12, 13) from a separation chamber (9). The slide (6) at its radially inner edge is connected with and axially fixed relative to the rotor ... | 08/11/1998 |
| 5163895 | Centrifuge-drier A centrifugal drier for a product, comprises a horizontally supported rotating drive shaft including an axial passageway adapted to be a filling pipe for the product; a drum having a closed end secured to one end of the drive shaft and an open end; a coni... | 11/17/1992 |
| 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 |
| 4925442 | Operating system for centrifugal separator In a centrifugal rotor an annular slide (5) exposes its one side towards a separation chamber (7) and its opposite side towards an annular chamber (9). The slide (5) can be moved axially by radial displacement of the free liquid surface of liquid bodies i... | 05/15/1990 |
| 4882094 | Separation system for dewatering radioactive waste materials Disposal container structure for the disposal of waste radioactive materials includes inner structure comprising a cover member with an inlet port and an annular seal surface portion, and depending filter structure attached to the cover structure that inc... | 11/21/1989 |
| 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 |
| 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 |
| 4758216 | Bowl for a centrifuge for clarifying or separating mixtures of liquids A bowl for a centrifuge for clarifying or separating mixtures of liquids. The bowl has a valve or slide that is maintained in the closure position by a closure fluid. The closure fluid circulates at the same angular velocity as the bowl. A closure chamber... | 07/19/1988 |
| 4717376 | Centrifuge with a self-emptying drum The centrifuge has a self-emptying drum. The jacket of the drum has expulsion apertures that lead from the solids space and that can be closed off by a piston slide. With the piston slide is associated a closure chamber. The closure chamber has channels f... | 01/05/1988 |
| 4710159 | Centrifugal separator In a centrifugal separator for instance for purifying oil from water and solids there is a central outlet for separated water, comprising an overflow outlet maintaining a free water surface at a certain level in the door. According to the present inventio... | 12/01/1987 |
| 4680164 | Centrifugal analyzer An analysis system of the centrifugal analyzer type has an analysis station for receiving a multi-cuvette rotor unit with means at the analysis station for performing analyses on the contents of a plurality of cuvettes of a multi-cuvette rotor unit concur... | 07/14/1987 |
| 4670005 | Centrifuge with a self-emptying drum The centrifuge has a self-emptying drum. There are expulsion apertures in the bottom of the drum. The apertures lead from a solids space and can be closed off with a piston slide. A closure chamber that can be charged with closure liquid is associated wit... | 06/02/1987 |
| 4643708 | Centrifuge operating system A centrifugal rotor has (a) an axially movable primary slide (5) for closing or opening peripheral outlets (11) and bordering a closing chamber (14) having inlet (15) and outlet (16) for a closing liquid, and (b) an axially movable secondary slide (20) fo... | 02/17/1987 |
| 4636319 | Maintaining closing-liquid level in centrifuges, for operating slide valves In order to subject a valve within the rotor of a centrifugal separator to a certain liquid pressure, the rotor being supported by a vertical drive shaft (13), a liquid surface is maintained during operation of the rotor very close to the axis of the roto... | 01/13/1987 |
| 4589865 | Centrifugal separator with central sludge discharge In a centrifuge rotor provided with sludge channels (25) for conveying sludge radially inwards to a sludge receiving chamber (15), from which the sludge is discharged by means of a central sludge discharge means, the openings of the sludge channels (25) i... | 05/20/1986 |
| 4533344 | Self-emptying centrifuge drum A self-emptying centrifuge drum has at its periphery an annular gap between its cover and bottom. The gap can be opened and closed with a piston slide. The cover and bottom of the drum are connected by a strainer basket. The basket is rigid enough to ensu... | 08/06/1985 |
| 4514183 | Centrifuge with self-emptying drum A centrifuge with a self-emptying drum is provided with expulsion openings in its jacket that lead from the solids space and that can be closed off by a piston slide. The piston slide is associated with a closure chamber, which can be supplied with a clos... | 04/30/1985 |
| 4512759 | Device for the separation of particles from a stream of gas A device for the separation of particles from a stream of gas by centrifugal action, comprising a driven rotatable hollow conically diverging body 1,2 and a feeding apparatus for directing the contaminated gas stream toward the inside wall of said body in... | 04/23/1985 |
| 4505700 | Centrifuge with a self-emptying drum A centrifuge has ejection openings in the jacket of the drum to which channels extending from the solids space lead. The flow through the channels can be blocked off by an annular valve body. A closure compartment is associated with the valve body. Closur... | 03/19/1985 |
| 4505698 | Self-emptying centrifuge drum A self-emptying centrifuge drum has a piston slide that controls openings in the jacket. The piston slide is fastened without play and without axial motion to the drum in the vicinity of the inner centering surface. The requisite axial motion of the slide... | 03/19/1985 |
| 4498897 | Centrifuge with a self-emptying drum A centrifuge with a self-emptying drum including drum jacket having ejection openings for the solids that collect in the solids space. The openings can be blocked off with a piston valve with which is associated a closure compartment that can be charged w... | 02/12/1985 |
| 4490133 | Self-discharging centrifugal drum outlet valve regulating device A device that regulates an outlet valve on a self-discharging centrifugal drum which diverts the closure fluid from a closure compartment that moves the piston valve from a closure position while the solids space is being partly or completely emptied, has... | 12/25/1984 |
| 4479788 | Centrifuge with a self-emptying drum A centrifuge with a self-emptying drum has ejection openings in its jacket that lead out of a solids space and can be blocked off with a piston valve. It has a closure compartment that can be charged with closure fluid and is associated with the piston va... | 10/30/1984 |
| 4416655 | Centrifuges and centrifuge cleaning methods The drum of a centrifugal filter is cleaned by stopping the rotation of blades which normally rotate with the drum, while allowing the drum to continue to rotate, and retracting the bottom of the drum to open an annular aperture through which accumulated ... | 11/22/1983 |
| 4401429 | Self-emptying solid bowl centrifuge A solid bowl centrifuge for separating substances of varying densities particularly for separating solid liquid mixtures having a self-emptying feature where the heavier material is discharged through an annular gap, the size of which is controlled by an ... | 08/30/1983 |
