Class / Patent application number | Description | Number of patent applications / Date published |
210407000 | With residue removing means or agitation of liquid | 49 |
20120024772 | Fluid treatment equipment and treatment method - Equipment for treating a matter to be treated more stably and uniformly between approaching/receding treatment planes in a treatment section where at least one plane can rotate relatively to the other plane. Treatment is performed by introducing a first fluid containing a matter to be treated between the treatment planes, introducing a second fluid containing the matter to be treated between the treatment planes from a channel independent from the channel which introduced the first fluid and communicating with the space between the treatment planes and then mixing and stirring them between the treatment planes. The outlet portion of the channel introducing the second fluid to the space between the treatment planes is provided with a plurality of split channels. | 02-02-2012 |
20130098827 | APPARATUS AND METHOD FOR FILTER CLEANING BY ULTRASOUND BACKWASHING AND FILTER MOVEMENT DURING THE FILTRATION OF BIOLOGICAL SAMPLES - The present application is directed to the separation of a solid fraction from a fluid sample particularly a therapeutic cellular fraction from a biological sample such as a bone marrow sample by a porous filter which separates a filtration unit into an upper pre-filtration chamber into which a fluid sample requiring cell separation is introduced and a lower post-filtration chamber into which a fluid capable of transmitting an acoustic standing wave is introduced. An acoustic element is coupled to a substrate which is located within and at the bottom of the lower chamber and which resonates in response to the acoustic generating element and generates a standing wave through the two fluid phases and the filter to agitate the sample. Simultaneously, a cyclic process of vacuum draw, causes movement of the sample downwards through the filter. Vacuum pressure, fluid flow rate and frequency of vibration are controlled from a remote unit housing appropriate pumps and valves. | 04-25-2013 |
20130264271 | BLOOD CELL SEPARATOR - A blood cell separator includes a receiving container that includes an opening and a bottom surface, a tubular collection container that has a first opening, a second opening that is opposite to the first opening, and a filter that closes the second opening, and a vibration mechanism that vibrates the receiving container, at least part of the collection container being placed in the receiving container in a state in which the bottom surface of the receiving container faces the filter. The blood cell separator is thus configured so that clogging of the filter is suppressed, and the separation efficiency is improved. | 10-10-2013 |
20140034568 | FILTER MECHANISM - The present invention is a filter mechanism provided in a pump or the like, and the purpose thereof is to provide a filter mechanism that can eliminate foreign matter adhering to the surface of a filter and thereby can prevent clogging of filters because of foreign matter. According to the present invention, an area toward the inside in the direction of the radius of the filter is linked to an intake opening ( | 02-06-2014 |
20150034548 | SYSTEM FOR TREATING WATER AND/OR WASTEWATER HAVING A PLURALITY OF LATERALS THAT CAN BE READILY CLEANED WITHOUT DAMAGING OR SACRIFICING THE LATERALS - A plurality of laterals operably associated with a treatment unit for treating water and/or wastewater. The plurality of laterals can form many systems including a sludge removal system and a fluid scour system. The treatment unit can take many forms including but not limited to a filter and a sludge collection basin. Preferably, each of the plurality of laterals has a hollow passageway for permitting at least one of a fluid and a material to flow through each of the plurality of laterals. Each of the plurality of laterals includes means for permitting cleaning of a corresponding lateral to remove one or more obstructions obstructing the flow of one of a fluid and a material through at least a portion of the hollow passageway without damaging or altering the corresponding lateral. Preferably, the means for cleaning is configured to seal an opening in the corresponding lateral. | 02-05-2015 |
20170232393 | NOVEL SHAPES FOR TANGENTIAL FLOW SEPERATION MULTICHANNEL TUBULAR ELEMENTS INCORPORATING TURBULENCE PROMOTERS, AND METHOD OF FABRICATION | 08-17-2017 |
210408000 | Diverse, e.g., combined agitators, scrapers, aeration blowback | 5 |
20080210620 | Device For Treating Fluids, Especially Waste Water, Comprising a Stack of Disks - The invention relates to a device for treating waste water, said device comprising a closed housing ( | 09-04-2008 |
20110163026 | AUTOMATICALLY CLEANED FILTER - An automatically cleaned filter comprises a motor; a base above the motor; the base being formed with at least one filter seat, a water inlet, a water draining hole and an annular groove; at least one filter core installed on a respective one of the filter seat; the filtering material being formed on an outer side of the filter core; a cleaning unit installed on a center portion of the base; a bottom of the cleaning unit being connected to the spindle; a gear being installed at an upper side of the base and being engaged to the spindle; an upper cover combined to the base by using at least one supporting posts; a lower side of each filter core being installed with a gear; and the gear at the lower side of the filter core being engaged to the gear of the cleaning unit. | 07-07-2011 |
20130001151 | PRESSURE FILTER - Pressure filter for filtering pulp which pressure filter comprises a pulp container ( | 01-03-2013 |
20150108059 | METALLIC FILTRATION BODY - This descriptive report refers to an invention patent for the improvement in a metallic filtration body, belonging to the area of filtration equipment components for liquids, particularly the equipment named turbo filter ( | 04-23-2015 |
20160250572 | FILTRATION DEVICE | 09-01-2016 |
210409000 | Fluid cleaning | 33 |
20090301960 | System for Filtering a Liquid - The present invention concerns a system for filtering a liquid, comprising a pump designed to be immersed in a reservoir intended to contain a liquid in order to pump it, the pump being provided with a filter able to filter the liquid admitted into the pump. According to the invention, the filtration system comprises a device intended to reduce the clogging of the filter during the functioning of the pump. Thus, the filtration system functions for longer before it is necessary to proceed with its cleaning or replacement. | 12-10-2009 |
20120024773 | FILTER AND APPLIANCES INCLUDING THE FILTER - A filter for use in a washing appliance is disclosed. The filter includes an inlet, an outlet, a filter chamber and a mesh strainer placed between the inlet and outlet. The mesh strainer strains water or liquid flowing into the filter as the water flows into the inlet and out of the outlet. The mesh strainer filters out particulate matter from the flow through the filter. The liquid flowing into the filter flows across the mesh to clean the filter and dislodge at least some of the particulate matter trapped in the mesh. The filter chamber includes at least one baffle within it. The baffle divides the filter chamber into an upper portion and lower portion. The particulate matter washed off collects in the lower portion of the filter chamber due to rotational flows created in the filter due to the filter chamber boundaries and the baffles. | 02-02-2012 |
20120111788 | SELF CLEANING, CONTINUOUSLY OPERATING FILTER APPARATUS FOR FLUIDS - The filter apparatus for an incoming liquid which includes a retentate and a permeate includes a housing with a frame and a hollow drum assembly mounted for rotation within the housing. An inlet assembly delivers the incoming liquid under pressure to the drum assembly. A filter assembly is mounted to the inside of the drum. A trough assembly is mounted so as to be in a fluid-tight relationship to the interior surface of the filter assembly as the drum rotates past the trough assembly. A manifold is fixedly mounted and configured to cover successive columns of openings of the drum wall as the drum rotates. Pressurized gas is directed to the manifold, so that as the drum turns, and retentate is collected on the interior surface of the filter, pressurized fluid from the manifold dislodges the retentate into the trough and out an outlet assembly. | 05-10-2012 |
20120279917 | SYSTEMS AND METHODS FOR FILTRATION - Systems for filtration are disclosed. A feed mixture including at least one liquid component and at least one solid component and a flow of gas may be directed to a filter element and filtrate and gas may be passed through a filter medium from a feed fluid side to a filtrate side. | 11-08-2012 |
20130026089 | DUAL SIDE CLEANING AND TRAVERSING SCREEN FILTRATION SYSTEM - A dual-side cleaning traversing screen filtration system which generally comprises a main trough water containment housing, a traversing manifold having a multitude of top and bottom disposed spray heads, flexible plumbing, a substantially planar, rectangular supported screen which is disposed over, and spans the opening of, the main trough water containment housing which, in the preferred embodiment, has a rectangular box like shape, with the combined assemblage functioning as a filter to separate unwanted debris from the water that passes through the screen into the slightly inclined main trough water containment housing where it can be continually removed and re-used. | 01-31-2013 |
20130206677 | Self-Cleaning Fluid-Filtering Apparatus - A self-cleaning fluid-filtering apparatus includes a container, a driving unit, a filtered-water pipe, a filtering unit and a connecting unit. The filtered-water pipe is inserted through the container, and formed with apertures. The filtering unit includes filtering bags co-axially provided on the filtered-water pipe, and each formed with an opening in communication with a respective aperture. The connecting unit includes water-guiding elements and bridging elements. Each water-guiding element is placed between two respective filtering bags, and formed with an annular body, an axial opening defined in the annular body, and radial channels in communication with the axial opening. Each bridging element connects a respective radial channel of a respective water-guiding element to a respective radial channel of another respective water-guiding element. | 08-15-2013 |
20130319928 | Filter Candle and Cleaning Method and Device - A filter candle for precoat filtration has an end piece for connecting the filter candle to a separating wall of a precoat candle filter, a candle wall which together with a precoated precoat layer forms the active filter layer, and a terminating piece for separating an interior candle space from an unfiltrate space. An immersion tube is arranged in the interior candle space and reaches from outside the end piece, through the separating wall and the end piece, into a lower end portion of the interior candle space. At least one opening is provided in the immersion tube within the lower end portion, and a gap is formed between the immersion tube and the end piece. | 12-05-2013 |
20140054212 | SYSTEM AND METHOD FOR REPLACING RESIST FILTER TO REDUCE RESIST FILTER-INDUCED WAFER DEFECTS - System and method for replacing a resist filter in such a manner as to reduce filter-induced wafer defects are described. In one embodiment, the system comprises a filtration system connected to a dispenser, the filtration system comprising a filter; and a switch connected to the filter for selectively connecting the filtration system to throughput one of a first chemical solution and a second chemical solution. | 02-27-2014 |
210410000 | Air pump type | 2 |
20100219119 | IMPURITIES REMOVAL APPARATUS FOR A FLUID INCLUSION - Disclosed is an apparatus for exhausting impurities included in a fluid, the apparatus including: a filtering net installation body; an impurity filtering net body; a fluid inflow pipe; a fluid exhaust pipe; a ball valve; and an air chamber housing ( | 09-02-2010 |
20160199761 | A FILTER APPARATUS | 07-14-2016 |
210411000 | Backwash or blowback | 23 |
20090014379 | Filtration faucet system - A filtration faucet system includes a filter housing for mounting underneath a faucet countertop and a filter cartridge. The filter housing has a filter compartment, a water inlet adapted for operatively linking to a water source, a filtered water outlet adapted for operatively linking to a first water opening of a faucet device, and an unfiltered water outlet adapted for operatively linking to a second water opening of the faucet device. The filter cartridge is supported in the filter compartment and is adapted not only for filtering water flowing from the water inlet to the filtered water outlet before the water exits at the first water opening but also for guiding the water directly flowing from the water inlet to the unfiltered water outlet before the water exits at the second water opening. | 01-15-2009 |
20090101569 | SLUDGE FILTRATION APPARATUS AND FILTER ASSEMBLY THEREOF - A sludge filtration apparatus has a sludge tank configured to store sludge and at least one filter assembly. The filter assembly includes a filtration membrane for filtering the sludge and a pipe insertable in the filtration membrane to supply air to a secondary side of the filtration membrane for dislodging the sludge from the filtration membrane. The pipe has a plurality of holes for discharging gas, namely air, to an area in which the filtration membrane inclines downwardly with the secondary side thereof. The sludge filtration apparatus can prevent thickened sludge from remaining in an upper portion of the filter assembly. | 04-23-2009 |
20090120866 | SELF-CLEANING FILTER FOR AGRICULTURAL IRRIGATION WATER - The invention relates to an improved self-cleaning filter for agricultural irrigation water having a support base ( | 05-14-2009 |
20090159524 | Filter Cartridge for a Reversible Flow Filter - In order to produce a filter cartridge for a reversible flow filter for filtering a fluid which comprises a filter cartridge interior surrounded by a filtering medium, whereby the filtering medium is adapted to be cleaned in a particularly effective and uniform manner during the back flushing phase, it is proposed that the filter cartridge should comprise a reverse flow damming body which is arranged in the interior of the filter cartridge and is movable in a longitudinal direction of the filter cartridge by the reverse flow when back flushing the filter cartridge and produces a local increase in the dynamic pressure of the reverse flow, whereby the reverse flow damming body does not abut against the filtering medium when back flushing the filter cartridge. | 06-25-2009 |
20100163480 | BACKFLUSH DEVICE FOR A FILTER SYSTEM - The invention relates to a backflush device ( | 07-01-2010 |
20100276356 | FILTER DEVICE - The invention relates to a filter device, comprising a plurality of filter elements ( | 11-04-2010 |
20100300957 | Backwash assembly and method having a rotating backwash arm for cleaning cloth filter media - The present invention relates to stationary cloth media filtration systems and devices, as well as processes and devices, including improved cloth media filter backwashing using a rotating backwash arm assembly. | 12-02-2010 |
20110253617 | CYLINDRICAL BACK WASHING PURIFICATION APPARATUS - A cylindrical back washing purification apparatus comprises a main body ( | 10-20-2011 |
20120103894 | Reflux backwashing mechanism for automatic fluid filtration - A reflux backwashing mechanism for automatic fluid filtration, includes a hollow shaft sleeve ( | 05-03-2012 |
20120125834 | FILTER DEVICE AND FILTER ELEMENT ARRANGEMENT FOR USE IN THE FILTER DEVICE - A filter device having a multiplicity of filter elements ( | 05-24-2012 |
20130048553 | SUCTION APPARATUS FOR FABRIC FILTER AND FILTERING DEVICE FOR LIQUID FILTRATION USING THE SAME - Provided are a suction apparatus for a fabric filter and a filtering device for liquid filtration using the same. A main suction slit and a sub-suction slit are provided in parallel by a partition. Thereby, pile threads undergo delayed straightening and fluctuation while going through the sub-suction slit and then are rapidly straightened in the main suction slit. Thus, a back-washing effect can be further improved. | 02-28-2013 |
20130068685 | Stationary Cloth Media Filtration - The present inventions relate to water and wastewater treatment devices including stationary cloth filter media support structures which support structures also form the effluent plenum for the filtered influent. | 03-21-2013 |
20130134086 | FLUME SYSTEM FOR A FILTER SYSTEM INCLUDING AT LEAST ONE FILTER HAVING A FITLER BED THAT IS PERIODICALLY WASHED WITH LIQUID, GAS OR A BOMBINATION THEREOF - A filter system having a filter bed for filtering water or wastewater, where the filter bed is periodically washed between service runs by directing washing liquid and washing gas upwardly through the filter bed. The filter system includes a filter bed and at least one flume. The flume is in fluid communication with the filter bed. Preferably, the flume is configured such that no washing liquid and washing gas interface is present in the flume. The flume may be configured such that during washing of the filter bed between service runs the flume receives a washing gas and directs the washing gas upwardly through the filter bed to assist in cleaning the filter bed between service runs. The flume may further be configured such that during washing the only liquid directed from the flume to the filter bed is residual liquid that may be present in the flume from a prior service run. | 05-30-2013 |
20130161252 | Filter with Automatic Declogging - Disclosed is an arrangement of distribution columns that can be used to discharge the declogging fluid from a filter with automatic declogging or backwashing. A stationary divider is arranged coaxially in a stack of filter elements and has distinct ducts, e.g. embodied by fins, the ducts establishing communication between a rotary distributor and groups of passages in the stack that are in alignment along generator lines of the stack. | 06-27-2013 |
20130292321 | FILTER DEVICE - The invention relates to a filter device comprising at least one filter housing ( | 11-07-2013 |
20130306546 | REVERSIBLE-FLOW FILTER WITH SCAVENGING DEVICE - A reversible-flow filter with a filter insert in a filter housing, the inner space of which being connected to a fluid inlet, an outlet and a backwash device being rotatable and having a backwash body with a washing gap, reaching near the surface of the filter wall, for cleaning off the filter wall in backwash operation. The backwash device is coupled at one axial end to a rotary drive and at its other end to a sludge discharge. The backwash body having a suckaway slot openable into the inner space, separate from the washing gap and having a larger opening cross-section than the washing gap, wherein the backwash device has a hollow shaft partially movable in relation to the backwash body and rotatable for connecting the washing gap or suckaway slot to the sludge discharge as a function of the relative position between the backwash body and the hollow shaft. | 11-21-2013 |
20140183124 | FILTER CLEANING APPARATUS - A filter cleaning apparatus used in a reaction system including; a reaction tank having a filter, first feed line connected to the filter at one end, a recovery tank connected to the other end of the first feed line, and second feed line connected to the recovery tank at one end, is provided. The filter cleaning apparatus includes; first return line connected the second feed line at one end, first and second reverse cleaning solution tanks connected to the first return line, a first flow rate adjusting valve that can adjust filtered fluid to be supplied to the first reverse cleaning solution tank, a second flow rate adjusting valve that can adjust filtered fluid to be supplied to the second reverse cleaning solution tank, and a switching section that carries either one of the filtered fluids accommodated in these reverse cleaning solution tanks by switching. | 07-03-2014 |
20150122723 | DISC FILTERS - A disc filter including a stack of apertured filter discs arranged about an axis, the stack having an outer surface and an inner surface and being mounted such that during backflush, individual discs are rotatable relative to adjacent discs about the axis and a disc cleaning assembly operative to rotate at least some of the discs about the axis relative to others of the discs, the disc cleaning assembly including at least one first fluid conduit for producing at least one outer liquid jet directed generally tangentially into engagement with the outer surface of the stack for rotationally driving the at least some of the discs about the axis relative to others of the discs and at least one second fluid conduit for producing at least one inner backflushing liquid jet directed into engagement with the inner surface of the stack. | 05-07-2015 |
20150129483 | Backwash Arrangement for Cleaning a Cylindrical Filter Screen - A backwash arrangement for cleaning a cylindrical filter screen includes a cylindrical filter screen within which extends an axial central conduit. A number of radial branch conduits extend outwards from the central conduit towards the cylindrical filter screen, each provided with a spring-loaded nozzle arrangement. The spring-loaded nozzle arrangement is biased into contact with the cylindrical filter screen, and includes a nozzle opening for passing across the cylindrical filter screen, and a pair of wheels deployed on opposing sides of the nozzle opening for rolling engagement with the cylindrical filter screen. | 05-14-2015 |
20160151726 | BACKFLUSHING FILTER AND FILTER INSERT FOR THE SAME | 06-02-2016 |
20160184745 | Device for taking samples from municipal and/or industrial wastewater - The invention refers to a device for taking samples from municipal and/or industrial wastewater that contains a filter ( | 06-30-2016 |
210412000 | Liquid pulsator | 2 |
20110132833 | Self-Cleaning Filter and Filtration System for Lubricants - The disclosed self-cleaning filtration system and self-cleaning filter solves various problems by replacing a standard filter cartridge with an adapter screwed in place of the cartridge, a filter of limited size with a motor for rotating an inlet cover plate and an outlet cover plate over a body with a plurality of longitudinal channels inside of a circumferential filtration media where the different parts of the media are used alternately in forward and backward flow. In another embodiment, instead of entry and drain openings, the oil is placed directly in contact with each longitudinal channel with the exception of the channel in fluidic communication with the drain opening. The self-filtration system includes a self-cleaning filter used in tandem with an adapter, a decanter, and a series of hoses. In yet another embodiment, the self-cleaning filter includes either in replacement of the rotating shaft or in addition to the shaft a body with an expandable chamber for storage of oil used as driving force of a back flushing valve. | 06-09-2011 |
20130193059 | Reverse osmosis filter flush device and method - An apparatus and method for reversing the flow in a reverse osmosis system is described utilizing a single unitary valve. The improved system and method provides a means to reduce operating costs, maintenance and down time associated with a reverse osmosis system by providing a reliable and robust means to reverse the flow of fluid thereby flushing filter membranes. | 08-01-2013 |
210413000 | Fixed filter medium and movable stirrer or cleaner | 5 |
20110203988 | Scrapping Device for a Pressurised Filtration Plant - The present invention relates to a pressurized filtration plant that includes: a sealed tank ( | 08-25-2011 |
20130032527 | SYSTEM OF CONTINUOUS SAMPLING OF FILTRATION OF A MUD - A system for filtering and sampling, preferably but not exclusively, of oil drilling mud for the purpose of analyzing the gaseous component contained in debris produced by well-drilling and transported by said mud. The system is provided with a filtering surface developed in three dimensions and with various methods for cleaning the filtering surface with which any contact is avoided between the cleaner and the filtering surface. This prevents further and excessive incrustations of debris on the meshes of the filter and avoids an undesirable passage of air in the aspiration pipe when the filter is partially immersed. | 02-07-2013 |
20140042078 | INCLINED MESH PANEL TYPE FILTERING APPARATUS - An inclined mesh panel type filtering apparatus capable of easily removing suspended solids from water. In a conventional apparatus, a filtration fabric is contaminated from use even when it is cleaned by a brush unit or a cleaning unit, and is almost clogged, in the course of one to two years after being put into operation, to such an extent that scale is not even removed even by additional manual cleaning. Thus, the entire apparatus should be disassembled to replace the filtration fabric with a new one or exchange an entire filter drum. This problem is resolved by the inclined mesh panel type filtering apparatus that can be continuously operated for a long time in which a filtration panel formed with fine openings having a typical size of 0.2 to 1.2 mm is not clogged and does not require high-pressure cleaning-water or air showers that consume high energy. | 02-13-2014 |
210415000 | Nontranslatory rotary | 2 |
20130087495 | Self-Cleaning Filter Module - A filter module according to the present invention comprises a housing having an inlet and an outlet, said housing enclosing a tubular, elongate filter element defining a longitudinal axis and a cleaning head connected by means of a conduit to a coaxially arranged and rotatably mounted pipe, said cleaning head being resiliently biased towards the internal surface of said tubular, elongate filter element. Moreover, said cleaning head has an opening of adjustable size facing said internal surface of said filter element and providing fluid communication be-tween the interior of said housing and the interior of said pipe. The filter module further com | 04-11-2013 |
20150048020 | ROTOR ELEMENT AND A ROTOR FOR A SCREENING APPARATUS - The present invention relates to a turbulence element for use with a rotor and a rotor featuring turbulence elements. The rotor is used in a screening apparatus of the pulp and paper industry. The turbulence element has a longitudinal centerline (CL); two longitudinal edges, a leading edge and a trailing edge; two opposite ends, a first end and a second end; and two surfaces, a top surface and a bottom surface arranged between the leading edge and the trailing edge. The top surface is divided into a leading surface having its origin at the leading edge, and a trailing surface having its origin at the trailing edge. The leading edge and the leading surface are provided with undulations (U). | 02-19-2015 |