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Class 210/321.63 - Rotating mechanical agitator adjacent membrane


Subclass of Class 210 - Liquid purification or separation
Definition: Apparatus including a rotating mechanical agitator (e.g.,
No. of patents: 59
Last issue date: 02/15/2011


1    
NumberTitleIssue Date
7887702Filtering apparatus employing the rotor for multistage generating variable vortex flow
A filtering apparatus is provided for filtering raw water containing various impurities and mixtures into purified water, and more particularly, a multistage filtering apparatus is provided in which a rotor for generating vortex are installed in each of multiple lay...
02/15/2011
7666305Rotor for generating vortex water flow, and filtering apparatus employing the same
Disclosed are a rotor for generating vortex water flow that creates shear intensity for removing solid material adhered to the separation membranes during the processing of water containing pollutant material, and a filtering apparatus employing the same. The rotor ...
02/23/2010
7566399Water purifier
A water purifier includes a base, an outer casing mounted on the base, a fresh water conduit demountably mounted in the outer casing, a plurality of filtering units demountably mounted on the fresh water conduit and a cover demountably mounted on the outer casing. E...
07/28/2009
7425265Vortex-enhanced reverse osmosis filtration device and methods
Preferred aspects of the present invention relate to advances in rotating, vortex-enhanced reverse osmosis filtration. More particularly, the filtration device and methods incorporate a rotational drive mechanism adapted to use the flow of pressurized process fluid ...
09/16/2008
7396462Filtering device
A filtering device includes: a fluid-collecting tube; a plurality of positioning trays sleeved around the fluid-collecting tube and stacked one above the other; and a plurality of membranes alternating with the positioning trays. Each of the membranes is sandwiched ...
07/08/2008
7374677Two stage hemofiltration that generates replacement fluid
The present invention relates to a system for two-stage blood dialysis of a patient. In one embodiment, the system comprises a first filtration device for receiving the blood from the patient and for producing a first filtrate and processed blood. The system further...
05/20/2008
7285212Method and apparatus for treatment of wastewater employing membrane bioreactors
Methods and apparatus employing membrane filtration in biodegradation processes for treatment of wastewater are described. A bioreactor system is described having an equalization system, a membrane bioreactor system, and a controller. Aeration systems for a membrane...
10/23/2007
7276446Planarizing solutions, planarizing machines and methods for mechanical or chemical-mechanical planarization of microelectronic-device substrate assemblies
Planarizing solutions, planarizing machines and methods for planarizing microelectronic-device substrate assemblies using mechanical and/or chemical-mechanical planarizing processes. In one aspect of the invention, a microelectronic-device substrate assembly is plan...
10/02/2007
7243721Methods and apparatus for heating oil production reservoirs
Methods and apparatus employing inert gases injected into the lower level of sloping underground oil-bearing formations as a driving mechanism and water injected into the upper level of the formations as a gas blocking mechanism for increasing and extending the prod...
07/17/2007
7232524Methods and apparatus for increasing and extending oil production from underground formations nearly depleted of natural gas drive
Methods and apparatus employing inert gases injected into the lower level of sloping underground oil-bearing formations as a driving mechanism and water injected into the upper level of the formations as a gas blocking mechanism for increasing and extending the prod...
06/19/2007
7220354Vortex-enhanced filtration devices
Preferred aspects of the present invention relate to a device for filtration comprising at least one rotor configured to create Taylor vortices on at least one side of a filtration membrane, thereby providing substantially enhanced mass or heat transfer across the m...
05/22/2007
7169303Sorbent reactor for extracorporeal blood treatment systems, peritoneal dialysis systems, and other body fluid treatment systems
Systems and methods for extracorporeal processing of blood or other body fluid for the treatment of conditions, such as sepsis, autoimmune disease, or toxemia related to kidney failure, liver failure, or drug overdose are provided. In an extracorporeal treatment sys...
01/30/2007
7122475Methods for using bi-modal abrasive slurries for mechanical and chemical-mechanical planarization of microelectronic-device substrate assemblies
A method and apparatus for making and using slurries for planarizing microelectronic-device substrate assemblies in mechanical and/or chemical-mechanical planarization processes. In one aspect of the invention, a bi-modal slurry is fabricated by removing a first typ...
10/17/2006
7089681Method and apparatus for filtering and drying a product
The present invention relates to a method and apparatus for filtering and drying a product. In a preferred embodiment, the apparatus comprises a container having a plurality of porous walls and a plurality of solid walls that divide the container into a plurality of...
08/15/2006
7052599Method and apparatus for reuse of abrasive fluid used in the manufacture of semiconductors
An apparatus and method recycles the abrasive fluid or slurry effluent used in the polishing step in the manufacture of semiconductors. Agglomerations of abrasive grains built up in the slurry effluent are crushed using a mill, ultrasonic oscillation, or pressurized...
05/30/2006
6969343Centrifuge 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
6962654Methods and apparatus for supplying high concentrations of dissolved oxygen and ozone for chemical and biological processes
A method and apparatus for supplying dissolved gases (such as oxygen, ozone, chlorine etc.) for chemical and biological processes is described. The methods and apparatus described are particularly suitable for use in the biodegradation of organic matter (such as in ...
11/08/2005
6960294Apparatus for the separation of solids from liquids by dissolved gas floatation
The present invention relates to methods and apparatus for separation of solids from liquids and separation of liquids from liquids (such as oil from water) by dissolved gas floatation. A dissolved gas floatation clarifier is described as is a liquid-gas mixer, a li...
11/01/2005
6616734Dynamic filtration method and apparatus for separating nano powders
A method and apparatus for separating nanometer-sized particles of a powder. The method includes (a) feeding the powder particles into a pressurized gas stream which carries the particles into a first stage filter device of a multiple-stage separator syst...
09/09/2003
6508943Filtering device and a filtering method
The present invention refers to a filtering device comprising at least one filtering membrane, at least one counter surface opposite to the filtering membrane, and at least one gap-shaped liquid space formed between the filtering membrane and the counter ...
01/21/2003
6416666Simplified filtration system
A filtration apparatus includes a container (24) that surrounds at least one rapidly rotating membrane pack (32, FIG. 2) and stationary turbulators (36A, 36B ) slightly spaced from the membrane pack surfaces to leave thin gaps (40A, 40B ) between them, wh...
07/09/2002
6300142Device and apparatus for conducting an assay
A apparatus for assaying glycated proteins and other analytes in biological samples such as blood, in which a sample is presented to the apparatus, includes an inlet port between moveable between first and second inlets, such that the inlet can be brought...
10/09/2001
6247840Dialysis container with sample saver
A Revolutionary Dialysis Container for safe dialysis of biological samples is described. A handle with wide top gives a non-slippery grip to lift and carry the container by a human hand. On its bottom, the buffer reservoir possesses a Sample Saver, which ...
06/19/2001
6209727Separation device having abutment rings as an outer cover
The invention relates to an improved separation device in which a plate unit containing the filter comprises a separate abutment ring and a cassette which can be easily connected thereto, said cassette comprising at least one filter together with, if requ...
04/03/2001
6193883Microfiltration apparatus
A filtration apparatus for separating and/or enriching dissolved substances from a suspension or suspensions having at least one filter means through which flow takes place, there being arranged on the retentate side of the filter means a means for produc...
02/27/2001
6117322Dynamic filter system
A dynamic filter system includes a dynamic filter assembly including one or more filter elements and one or more members disposed within a housing. The filter elements and the members are interleaved and arranged to rotate with respect to one another. The...
09/12/2000
6106713Dynamic filter system
A dynamic filter system comprises a dynamic filter assembly including one or more filter elements and one or more members disposed within a housing. The filter elements and the members are interleaved and arranged to rotate with respect to one another....
08/22/2000
6106714Filtering apparatus with stirrer in a CMP apparatus
A chemical-mechanical polishing (CMP) apparatus includes a filtering apparatus for filtering slurry. The filtering apparatus includes an input aperture located at the top of the filter housing and connected to a slurry supplying machine. An output apertur...
08/22/2000
6027656Separation method and apparatus
The invention concerns a method and a device for separation of separable constituents from a liquid medium. The separation device comprises only one cell or a stack of a plurality of adjacent cell, whereby each cell consists of a plate unit containing a f...
02/22/2000
5993674Rotary disc filtration device with means to reduce axial forces
Rotary disc filtration devices and filtration processes using those devices are disclosed. The devices have one or more fluid filtration gaps into which fluid to be filtered into permeate and retentate is placed. Each fluid filtration gap is defined by a ...
11/30/1999
5944998Rotary filtration device with flow-through inner member
Rotary filtration devices and processes are disclosed. The devices have at least one inner member and at least one outer member, one or both of which rotate so that they rotate with respect to one another and which define a fluid filtration gap therebetwe...
08/31/1999
5925247Carrier disc and membrane cushion for filtration and separation
Membrane element consisting of carrier disk and membrane cushion for filtering and separating flowing media, especially in devices for filtering and separating fluids by membrane techniques. Aim of the membrane element according to the invention is the es...
07/20/1999
5925246Apparatus for aseptic vortex flow concentration
An apparatus is provided having a rotor inside a membrane for the aseptic vortex flow concentration of a liquid or semisolid dispersion which has a shed-resistant bearing interface so that unwanted bearing material does not contaminate the substances, e.g...
07/20/1999
5900142Mass and thermal transfer means for use in heart lung machines, dialyzers, and other applications
The process, particularly useful in blood oxygenators, whereby a differential velocity between a fluid and a diffusing surface of hollow tubes by a rotating member such that the boundary layer is perturbed enhancing the coefficient of mass and thermal tra...
05/04/1999
5872015Molecular diversity screening method
A device and method is disclosed for the identification, concentration and isolation of a chemical compound from a mixture of compounds on the basis of the binding affinity of the chemical compound to a macromolecule or complex thereof, that is, to a rece...
02/16/1999
5830370Mass and thermal transfer means for use in heart lung machines dialyzers and other applications
The process, particularly useful in blood oxygenators, whereby a differential velocity between a fluid and a diffusing surface of hollow tubes by a rotating member such that the boundary layer is perturbed enhancing the coefficient of mass and thermal tra...
11/03/1998
5738792Method for separation of matter from suspension
A process for filtration of matter from a liquid suspension through a membrane uses a rotor within a concentric shell rotating with a surface velocity which, together with the rotor-shell gap and suspension viscosity, establishes vigorous vortex cells abo...
04/14/1998
5679249Dynamic filter system
A dynamic filter system comprises a dynamic filter assembly including one or more filter elements and one or more members disposed within a housing. The filter elements and the members are interleaved and arranged to rotate with respect to one another....
10/21/1997
5505842Filtering apparatus having individual filtrate drains and rod-shaped filters
A filter apparatus comprises a plurality of rod-shaped filter elements disposed within a cylindrical vessel on at least one circular array concentric with the vessel axis, and extending parallel to the vessel axis, said filter elements being mounted in on...
04/09/1996
5417650Apparatus for separating plasma and other wastes from blood
An apparatus is provided for separating cellular components of blood (red blood cells, white blood cells and platelets) from waste components (plasma, anticoagulant, toxins, and other relatively small molecules). The presently preferred embodiment is a tw...
05/23/1995
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