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7601545 |
Automated macromolecule sample preparation system
An apparatus for preparing a macromolecule sample from a complex liquid mixture includes a hydraulic system adapted for control by an automated controller, comprising a pump and one or more valves....
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7517376 |
Reverse pulse cleaning of filter elements
An air supply system and valve is disclosed which provides a reverse pulse of air for cleaning a filter element located in a filter house. A valve is also disclosed for use in the air supply...
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7494809 |
Automated cell sample enrichment preparation method
A method for automated cell enrichment preparation where biological cells are injected into a first subchamber and flowed through the first subchamber, through a large pore filter and into a second...
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7468082 |
Self cleaning gas filtering system and method
A self cleaning gas filtration system for filtering contaminants from a flow of gas. A filter element is disposed within a housing and configured to receive a first flow of gas from an inlet in the...
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7390419 |
Waste water recovery system
A waste water recovery system to filter and recirculate waste water to a wash system including a fluid recovery line, a fluid supply line and a fluid backwash line comprising a filter assembly...
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7332007 |
Dusting device with multiple stream nozzles
A dedusting device 1 with a demister 15 advantageously arranged standing obliquely has a very compact construction because sufficient moistening or wetting of dust-containing crude air 24 is...
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7276171 |
Method for cleaning separation membrane
When an out-of-basin type separation membrane, which is connected to a biological treatment tank through a circulation passageway for filtering tank water, is cleaned, a part or all of the backwash...
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7195659 |
Reverse-flow cleaning systems and methods
A device and method for cleaning a filter element. The device including a valve interconnected to a blowpipe. A nozzle is positioned at an end of the blowpipe and to direct a pulse of compressed...
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7192528 |
Self-cleaning filter apparatus
A self-cleaning filter system is disclosed that includes an inlet fitting that is adapted to be inserted into an existing filter body. A spray tube having a plurality of outlets that slideably...
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7186282 |
Motor-vehicle air cleaner
A motor-vehicle air cleaner provided with a check valve mechanism on the lower cap of the air cleaner for drainage and ventilation, and a protection disposed on the outer edge; the check valve...
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7083735 |
High debris content strainer
A high debris content strainer that utilizes a cylindrically-shaped screen having four removal assemblies positioned evenly around the screen periphery. Each removal assembly includes a backwash...
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7081207 |
Method for cleaning a filter element in a filtering chamber and filter carrying out the method
The invention relates to a method for cleaning a filter element ( 9 ) located in a filtering chamber ( 10, 11 ) and to a filter implementing the method. The filter includes an inlet ( 4 ) leading...
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7074338 |
Filtering method and filtering device
Using the filter auxiliary agent separated by backwashing from a filter element repeatedly and effectively, the consumption amount of a filter auxiliary agent and the generation of industrial waste...
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7066336 |
Micro-filtration
A filter assembly for ultra-filtration of fluids such as waste water comprises a porous tube which is incrementally advanced into the fluid so as to expose a fresh portion periodically and maintain...
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6991737 |
Filtering method
A filtering method including the steps of preparing a water purifying apparatus 1 with a cell structure 2 having units for constituting cell structure 4 , and a cap portion 3 , and making raw...
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6929753 |
Coal bed methane wastewater treatment system
A coal bed methane wastewater treatment system for efficiently and cost effectively treating wastewater generated from coal bed methane production. The coal bed methane wastewater treatment system...
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6878293 |
Automatic valve assembly for water circulation systems
A filtration and backwash system for a water source such as a swimming pool is provided including a fluid source, a pump, a filter and a specially designed five-port valve which is easily adaptable...
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6878294 |
Running method and treatment system for spiral wound membrane element and spiral wound membrane module
A spiral wound membrane element allowing back wash reverse filtration at 0.05 MPa to 0.3 MPa is employed for a spiral wound membrane module. Air injection of injecting air of not more than 0.3 MPa...
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6875364 |
Self-cleaning fluid filter system
A self-cleaning, back-washable filter apparatus and method for use with a pumping apparatus which is lowered into a well casing. The filter apparatus includes a filter basket having a manifold with...
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6821429 |
Method and device for capturing fine particles by trapping in a solid mixture of carbon dioxide snow type
The invention concerns a method for capturing very fine particles present in a fluid flux in liquid, gaseous or supercritical state and a device therefor. The method is characterized in that it...
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6773606 |
System for straining septic tank effluent before discharge to a drain field
A system for limiting the size of particulate matter entering a septic tank pump contains a strainer that has a straining screen through which the pump draws liquid from the septic tank. A nozzle...
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6723246 |
Filter cleaning method
A method of cleaning a filter clogged with flocculating materials is provided. The method comprises determining the flocculated materials clogged on the filter and adding a dispersing agent to...
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6716361 |
Renewable filter
A twist-on renewable filter comprising a one-piece hollow housing, made of polymeric material having a threaded adapter for attachment to a distribution head assembly. The filter housing is...
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6709586 |
Dewatering method and device
A method and device for dewatering most liquid/solid solutions and slurries is described. A dewatering device having a dewatering pump in fluid communication with a filter rack with vertically...
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6692638 |
Method and apparatus for removing particulate contaminants from commercial laundry wastewater
A filtration apparatus includes a laundry waste sump, a primary 50 micron static screen filter, a 9,000 gallon equalization tank, at least one secondary media/carbon filter, a sludge holding tank...
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6638361 |
Method for cleaning filters
In a method and apparatus for cleaning filters, the cleaning is efficiently performed by selecting cleaning steps according to the degree of contamination of the filter media. The degree of...
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6576146 |
Filtration element employing improved backwash feature and method of utilizing same
A diffuser rod for use in a filter stalk having deflector disks rigidly mounted thereon to deflect liquid radially during the backwash process is disclosed. A backwashable filter element containing...
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6461525 |
Method for backwashing granular media filters and bioreactors
A method for removal of solids in a water treatment system having multiple filters, each filter comprising an air backwash system and a water backwash system, comprising a series of steps to enable...
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6439273 |
Method and apparatus for cleaning filter candles in a candle filter
A method and apparatus for cleaning candles in a candle filter using a cleaning fluid that flows inside the candle from the side of the filtrate, whereby said fluid is pressed in an opposite...
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6387271 |
Method for separating solid particulates from a liquid
A method for removing iron-containing contaminants from condensate from a power generating plant includes passing the condensate through a plurality of pleated filter elements contained within a...
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6375856 |
Method of recovering blood filtration residues
The invention provides a method of recovering filtration residues of blood which comprises filtering blood by a blood filtering device comprising a blood filtering material which is a depth...
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6368513 |
Filtering assembly and method including removal of impurities from a backwash fluid
An assembly for automatically and continuously purifying a polluted fluid P includes a main separator 1 , a secondary separator 2 having a centrifuge 21 and filter 22 therein, and a...
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6365054 |
Plant for filling containers and a method for operating a plant for filling containers
A method of operating a plant for filling containers by moving a liquid such as water through an apparatus with at least one portion for receiving the liquid before it is filtered and at least one...
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6355173 |
Cleaning method for membranes
Oils, extracted from vegetables and animal tissues contain impurities such as waxes that can be removed in a refining process, including dewaxing of the oils that include removal of oils by...
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6258274 |
Method for reducing sludge within a river or the like
A river is divided into a plurality of river sections via a plurality of partitions which are spaced apart along the direction of the flow of the river. Polluted water at or near the surface of the...
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6248246 |
Continuous-action filtering method and apparatus
The invention relates to a continuous-action filtering method, a filtering apparatus, as well as to the use of the discussed apparatus, as an automatic filter in the fuel or lubrication system of...
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6203714 |
Device for filtering a liquid and method for disinfecting such a device
Device for filtering a liquid. The filter device is provided with at least two filter elements (8, 15) placed parallel to each other. A three-way cock (6, 13) is accommodated in the pipe (4, 5) to...
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6159373 |
Cleaning of hollow fibre membranes
A method and apparatus for recovering fine solids from a liquid feed suspension is disclosed. The apparatus has an operating cycle including a concentration part of the cycle in which solids...
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6136202 |
Forced fluid induced backwash
A system for filtering fluids uses the pressure differential across a filter element between an internal filter volume and an external filter volume to control the rate of fluid flow through the...
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6129852 |
Flow control member for a filter cartridge cleaning system
The present invention relates to flow control devices (4) for use with cartridge filter cleaning systems. The flow control device (4) includes a cylindrical portion (8) which extends away from a...
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6110389 |
Filtration unit
A filtration tank (1) for purification of polluted water includes a chamber (12). Upper and lower filtration screens (20, 22) are supported within the chamber. Filtration particles (18) are...
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6074561 |
Apparatus and method for recovering photoresist developers and strippers
In a developing, etching and stripping apparatus, photoresist developing and stripping chemicals are drawn off into separate circulatory paths in each of which they are pumped through a heat...
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6071425 |
Method and apparatus for washing the filter fabric of a filter press
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6054059 |
Use of a ceramic metal oxide filter whose selection depends upon the Ph of the feed liquid and subsequent backwash using a liquid having a different Ph
A filter for removing particles from a feed liquid. The filter includes a filtration material having a metal oxide composition selected to provide the material with an affinity for the particles of...
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5989441 |
Recovery of functional human leukocytes from recycled filters
A method of recovering functional human leukocytes from blood filters used to deplete leukocyte content from leukocyte-containing blood-cell suspensions is provided. More particularly, this method...
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5972228 |
Filters employing "filling bodies" to reduce the amount of backwashing fluid remaining in the filters after backwashing
A filtering apparatus comprises: a pressure vessel; a plurality of filter elements arranged within the pressure vessel, the filter elements each having an upper end, a lower end and a side wall;...
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RE36297 |
Method and apparatus for treating a fiber suspension
A method and apparatus for fibrous suspensions in the wood processing industry and more specifically to a so-called drum cylinder, the basic construction of which comprises a vessel, into which...
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5945006 |
Method and apparatus for cleaning filters contaminated by polymers and hot-melting resins, in situ, without removing the filtering elements
A method and an apparatus for cleaning filters contaminated by hot-melting resins and polymers in situ, without removing the filtering elements. The method comprises a preliminary step, during...
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5910249 |
Method and apparatus for recovering water from a sewer main
A process and apparaus for recovery water from raw sewage extracted directly from the sewer including a screen(2) operable to obtain from raw sewage a screened effluent having a maximum particle...
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5906751 |
Filtering apparatus with improved quick-opening backwash valve
A filtering apparatus is provided wherein the filter can be backwashed by an explosive-like surge of backwashing fluid. The backwashing assembly includes a quick-opening backwash valve which is not...
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