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Class 210/340 - Parallel filters with flow controller


Subclass of Class 210 - Liquid purification or separation
Definition: Apparatus having means for interrupting flow to at least
No. of patents: 177
Last issue date: 10/18/2011


1          
NumberTitleIssue Date
8038879Fluid strainer assembly
A fluid strainer device is disclosed. The device includes a housing which defines an open chamber, the chamber having both at least one fluid input port and at least one fluid outlet port. A plurality of spaced strainer baskets are disposed within the chamber. Each ...
10/18/2011
8029672Filter head
A filter head, designed to hold at least two filter elements. The filter head having a housing, into which feed channels to, and return channels from, the filter elements are integrated. A rotatable switching drum is provided for selectively opening or closing the c...
10/04/2011
7429324Device for in-line preparation of liquid for an extracorporeal blood treatment apparatus
A method for in-line preparation of liquid for an extracorporeal blood treatment apparatus that makes provision for placing a filter in correspondence with each of two successive filtration stations, for carrying out a liquid preparation cycle, for removing the filt...
09/30/2008
7381335Method and arrangement for continuous filtering of particles out of a liquid
Method and arrangement for continuous filtering of particles out of a contaminated liquid by means of a number of separate filtering units (14) in order continuously to feed purified liquid to a consumer. Each filtering unit (14) comprises a rotatable,...
06/03/2008
7361281High efficiency ion exchange system and method for removing chromium from water
The disclosed invention is a fixed bed ion exchange water purification system. It employs a combination of electronically controlled process steps and specific systems configurations to duplicate the effects of moving resin beds from one operating position to anothe...
04/22/2008
7354510Extracting apparatus
A mechanism for introducing pressurized air into an extracting cartridge comprises an air pump, an on-off valve, and a pressure sensor for detecting an internal pressure within the extracting cartridge. The on-off valve is turned on in order to introduce the pressur...
04/08/2008
7331469Vibratory separator with automatically adjustable beach
A vibratory separator having a basket for supporting screen apparatus for treating material, the basket pivotably mounted on a base, vibratory apparatus connected to the basket for vibrating the basket, the material forming a pool on the screen apparatus, and a beac...
02/19/2008
7309430Filtration system utilizing a single valve to direct fluid streams between filter assemblies and corresponding methods
A filtration assembly for filtering polymer fluids at varying flow rates includes at least two filter housing assemblies releasably attached to a filter support or main block. Polymer fluid is delivered to the filter housing assemblies via an inlet passage in the ma...
12/18/2007
7278540Adjustable basket vibratory separator
A vibratory separator having a base, a basket movably mounted on the base and for supporting screen apparatus for treating material introduced into the vibratory separator, the basket on a base and pivotable with respect thereto, vibratory apparatus connected to the...
10/09/2007
7267234Backflushable filter device for molten material and distribution unit for a filter device of this type
A backflushable filtering apparatus for a molten material, particularly for a plastic melt, comprises a housing (1) in which a sieving arrangement (17) is provided which includes at least two sieving sections (16) separated from one another. The...
09/11/2007
7250109Back-wash filter
In the backflush filter (10) according to the invention, in which the flushing back of the filter inserts (15) which are received in several filter chambers takes place by means of flushing filtrate loaded by compressed air, the flush valve (35)...
07/31/2007
7223298Filter assembly for pipelines
A filter assembly is disclosed for use in connection with the filtration of products transported via pipelines, including high pressure gas pipelines. The disclosed filter assembly is comprised of a plurality of filter modules, a series of valves, inlet and outlet p...
05/29/2007
7195084Systems and methods for storing and handling drill cuttings
Vessels for selectively holding drilling cuttings material and methods employing such vessels; the vessels, in at least certain aspects, having a body with a hollow container with an interior space for receiving drilling cuttings material and from which the material...
03/27/2007
7147772Low spillage replaceable water filter assembly
A filter assembly includes a water filter assembly having a filter element sealingly disposed in a cartridge, and having an inlet and an outlet, the water filter assembly being substantially dripless when charged with water and disposed substantially horizontally. A...
12/12/2006
7111739Wet fine particle sizing and separating apparatus
A particle sizing and separating apparatus is disclosed. The apparatus includes a base and a frame that is movably connected to the base. A motor assembly is provided to vibrate the frame and at least two screens are connected to the frame. Means also are provided f...
09/26/2006
7080960Apparatus and method for transporting waste materials
An apparatus for transporting solid waste drill cuttings material produced in the drilling of an oil or gas well, the apparatus including: a waste supply apparatus; a feeder to transport the material; a pneumatic conveying apparatus to which the material is transfer...
07/25/2006
7059480Continuous blood filtration apparatus
This invention provides a continuous blood filtration apparatus capable of filtering a plurality of blood samples continuous by using blood filter units to prepare plasma or serum samples in a short period, which comprises, a conveyor conveying a plurality of blood ...
06/13/2006
6998046Filter system and methods of operating the same
A filter system employing a modular filter and at least one high rate pre-treatment system for expeditiously and effectively filtering water. The modular filter includes a reservoir housing for containing fluid. A plurality of filter cells are disposed in the reserv...
02/14/2006
6936092Positive pressure drilled cuttings movement systems and methods
Methods for moving drilled cuttings, the methods, in certain aspects, including conveying with air under positive pressure, drilled cuttings to flow conduit apparatus; applying air under positive pressure to the flow conduit apparatus to continuously move the drille...
08/30/2005
6908545Hydraulic filter assembly with priority valve
A filter module assembly utilizes a priority valve installed in a manifold to allow for continuous filtration of hydraulic fluid up to a predetermined flow value and diverts occasional high flow to a secondary circuit. This arrangement provides both a low pressure d...
06/21/2005
6773588Purified water supply system
A system (11) for providing purified water comprises a plurality of individual modules, each of which includes a separable head (13) and a canister (17), which modules are joined one to another via these heads to create a composite manifold (...
08/10/2004
6660160Apparatus for separation of solids from a liquid
A separation apparatus, in particular intended for separation of amalgam from water, includes a pre-settling chamber, a distribution chamber and a fine settling zone. The fine settling zone includes a plate package, with a plurality of plates fixed with s...
12/09/2003
6652760Internal filter for fischer-tropsch catalyst/wax separation
The present invention encompasses a process for producing synthetic hydrocarbon products in a reactor. The focus of the present invention is on a novel filtering system for separating synthetic hydrocarbon products from catalyst within the reactor. The fi...
11/25/2003
6645380Membrane separation apparatus
An apparatus for the separation of fluid mixtures into a permeate and a retentate comprises separation modules each having fluid containment chambers stacked therein. Each fluid containment chamber is defined by a pair of selectively permeable membranes h...
11/11/2003
6607660Liquid filtration device with backwashing feature
A liquid filtration device having a backwashing feature in which liquid flow through the device is reversed with a plate being rotated under the filtration cartridges to allow reverse liquid flow into the individual filtration cartridges to produce the ba...
08/19/2003
6607661Filtering apparatus
The invention relates to a filtering apparatus, the operation of which is based on alternating filtering and flushing stages. The apparatus comprises one or several filter elements placed into a filter housing supported by a casing, the filter housing bei...
08/19/2003
6605210Hydraulic fluid filter device
A filter device for filtering hydraulic fluid includes first and second subelements 40, 42 within a filter housing having separate inflows 20, 24 thereto for the respective subelements and a common outflow 22. The first subelement has a higher filter fine...
08/12/2003
6599421Reversing valve for a filter arrangement with at least two filter chambers
A filter arrangement includes at least two filter chambers that are alternately impinged upon through the activation of a reversing valve, a manually operated reversing lever, a compensation valve which can be activated for pressure compensation between t...
07/29/2003
6592641Integral porous filter/fail-safe/regenerator/gas separation membrane module
A combined hot gas cleanup system and gas separation unit is contained within a single pressure vessel. Preferably, the combined unit is an integral structure that is retrofittable to replace existing candle filters in their installed holders. The integra...
07/15/2003
6558554Method for switching filters on-line without bubbles and with zero liquid waste
A method for switching filters on-line while continuously supplying a fluid to a downstream operation such as a photographic product coating device comprising transmitting the fluid to a filter selection valve having a first flow path therethrough to a fi...
05/06/2003
6485634Filtration system for industrial coolants
A filtration system includes a magnetic drum for removing ferrous shavings and a dual canister filter unit equipped with replaceable filter bags. This palletized system may be plugged into most machine tools to filter the shavings-laden coolant to remove ...
11/26/2002
6474289Automatic switching duplex filterhead and diesel fuel conditioning system
An apparatus for conditioning fluid. In one embodiment of the present invention, there is an apparatus which comprises two filters and an electrically actuatable switching valve. Fluid provided to the apparatus may be routed to either filter by the switch...
11/05/2002
6432301Device for obtaining a desalinated solution
A device for producing a permeate from a concentrate has a separating chamber and a filter membrane dividing the separating chamber into a concentrate chamber and a permeate chamber. An inlet line is connected to the concentrate chamber and introduces the...
08/13/2002
6368513Filtering 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 backwashing device 11. In operation, the backwashing device returns a frac...
04/09/2002
6355170Dual manifold filtering system
In accordance with the present invention there is provided a dual manifold filtering system. The dual manifold filtering system of the present invention, unlike the currently available filtering systems, allows the filter elements to be cleaned from both ...
03/12/2002
6342158Filter elements
A filter assembly comprises a tube plate supporting the open ends of a plurality of substantially tubular filter elements, the filter elements being provided in groups of three, the elements of each group being connected one to another in the group by thr...
01/29/2002
6334950Automated oil filter replacement assembly
An automatic oil filter replacement assembly for a locomotive including a plurality of oil filters mounted within a cartridge. The filters are mounted within the chamber. An indexing plate, mounted to the cartridge, has a single portal for alignment withi...
01/01/2002
6251275Membrane filtration module and membrane filtration system
A membrane filtration module, comprising a housing, a semi-permeable membrane, which is accommodated in the housing and has a liquid side for the introduction of liquid to be filtered and a concentrate side opposite the liquid side, as well as a permeate ...
06/26/2001
6248246Continuous-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 an engine. According to the invention, the apparatus compri...
06/19/2001
6244929Chemical-mechanical-polishing system with continuous filtration
A chemical-mechanical-polishing system having a slurry distribution system, a polisher, a deionized water supply, and a drain, includes a slurry filtration system. The filtration system has two filters for alternately filtering particles in slurry and bei...
06/12/2001
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