Entries |
Document | Title | Date |
20080230492 | 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. | 09-25-2008 |
20080251470 | STORM SEWER DRAINAGE GRATE FILTER - A storm sewer drainage grate filter for above grade installation and use includes a frame and a screen supported by the frame. The frame may include a top ring, a bottom ring, and one or more intermediate rings. The rings may be interconnected by a plurality of risers. A method directed to fitting a storm sewer grate filter apparatus to a storm sewer opening includes installing an above grade grate filter having a frame and screen supported by the frame, allowing debris to accumulate on the exterior of the grate filter, and clearing the debris from the exterior of the grate filter. | 10-16-2008 |
20080272068 | Surface Purveyed Filtration Device & Process - A filtration appliance comprised of two types of convening disks, whereon opposing, contacting surfaces are textured or channeled, purveying passage and filtration of fluids traversing between the convening disks. A plurality of parallel, spiraling grooves on both sides of conveyance disks purvey channeling for fluid ingress and egress, inlet grooves spiral radially inward from the outside circumference, decreasing in width until terminating prior to the inside circumference, outlet grooves spiral radially outward from the inside circumference, decreasing in width until terminating prior to the outside circumference. Topologic disks conveying homogeneously textured surfaces for filtration sandwich conveyance disks. The textured topologic surface is pressed upon the conveyance surface between the grooves. Pressured dirty fluid ingresses the appliance via the conveyance disk inlet grooves, passes across the textured surface of the topologic disk surface, depositing residue thereon and egresses as clean fluid via the conveyance disk outlet grooves. | 11-06-2008 |
20080296236 | APPARATUS AND METHOD FOR INCREASING FILTER CAPACITY USING ULTRASONIC REGENERATION - A filter system and associated methods of filtering utilize a combination of ultrasonically enhanced backwashing and a modified filter media configurations for increasing the specific loading on a portion of the filter media, thereby tending to increase the total particulate holding capacity of the improved filter. Depending on factors such as the filter configuration, the particulate size distribution and the differential pressure that can be maintained across the filter, it is expected that the particulate holding capacity can be more than doubled relative to a conventional filter having similarly configured filter media. | 12-04-2008 |
20090008343 | WATER FILTRATION SYSTEM - A water filtration system ( | 01-08-2009 |
20090026152 | MODULAR FILTER AND VACUUM HEAD ASSEMBLY FOR A FILTERING APPARATUS - The disclosed modular filter may include a filter medium and an external frame structure. The filter medium may form a chamber having a front side, a back side, and a periphery. The filter medium may also have a plurality of fibers. The external frame structure has at least one aperture mounted on at least one of the front side and back side of the chamber in which the external frame structure has a thickness greater than the lengths of the plurality of fibers. | 01-29-2009 |
20090039037 | Portable Drinking Water Purification Device - A portable water disinfecting and purification apparatus comprising a first chamber into which water to be purified may be drawn by suction or negative pressure, a second chamber into which the water from the first chamber can be forced by a pumping action or positive pressure, whereby the water is passed across a micro-filter positioned within a section of the second chamber through which water can be forced by said pumping action to an outlet for purified water. | 02-12-2009 |
20090071912 | DEVICE AND METHOD FOR REMOVING LINT - [PROBLEMS] To provide a device and a method for automatically removing lint without requiring special skill and labor by improving a lint removal technique in a continuous washing machine. [MEANS FOR SOLVING PROBLEMS] An opening ( | 03-19-2009 |
20090071913 | Device and method for the cleaning of lubricant and a lubricant circuit - A cleaning device for cleaning lubricating oil which circulates in a lubricating oil circuit has an intake to be connected with the lubricating oil circuit, through which a part quantity of the lubricating oil circulating in the lubricating oil circuit is to be fed to the cleaning and a return to be connected with the lubricating oil circuit for the returning of the cleaned lubricating oil into the lubricating oil circuit. The device includes a closed cleaning circuit in which the intake terminates, a feed device for the circulating a mixture of a circulating oil contained in the cleaning circuit and the lubricating oil to be cleaned fed to the cleaning circuit through the intake, and at least one cross-flow filter arranged downstream of the feed device seen in the feed direction, which is provided with at least one filter membrane past which flows the mixture of circulating oil and lubricating oil to be cleaned, wherein a part of the mixture flows through the filter membrane into a filtrate chamber connected with the return. | 03-19-2009 |
20090211992 | WATER FILTRATION PURIFYING APPARATUS AND METHOD THEREOF - For providing a water filtration purifying apparatus and a method thereof, enabling to reduce the manufacturing costs of the apparatus as a whole, by combining a function of filtration and a function of separation/concentration, the filtration function and the separation/concentration are separated, in the structure thereof. Thus, since all sewage waters generated in respective filtration separators can be collected by only one (1) set of a magnetic separator, even if there are plural number of the filtration separators, it is possible to dissolve a problem of rising up the costs of the apparatus, as a whole. With this, it is possible to provide a water filtration purifying apparatus, for enabling high water-quality purification and also reducing low manufacturing costs thereof, by further small-sizing the magnetic separating portion. | 08-27-2009 |
20090218298 | STRAINER ASSEMBLY - A strainer system comprises a strainer housing having an inlet for raw fluid and an outlet for strained fluid; a generally cylindrical strainer basket having a strainer screen and disposed within the housing, the external surface of the strainer screen being in flow communication with the raw fluid inlet and the internal surface of the strainer screen being in flow communication with the strained fluid outlet; a backwash collector assembly comprising a backwash conduit having an opening disposed adjacent the outer surface of the strainer screen, the backwash conduit and the strainer basket being moveable relative to each other, so as to allow the opening to pass across the external surface of the strainer screen. A method of straining a fluid, in particular a liquid, is also provided. Finally, a valve assembly for use in the selective opening and closing of a plurality of backwash conduits is disclosed. | 09-03-2009 |
20090218299 | INVERTED AERATED IMMERSED SCREEN, SCREEN ASSEMBLY AND OPERATING PROCESS - A static screen used upstream of a membrane assembly within a water treatment system has a screening surface with a number of openings distributed over its area. Liquid flows through the screening surface to reach the membrane assembly. Various shapes of screening surfaces are described including three-dimensional bodies with openings at or near their lower ends. Methods for cleaning the screen are described including aeration, backwashing and lowering down the water level in an upstream section by partially or completely draining a tank. Various treatment systems or process designs incorporating the screen are described. Screen elements may be made in two or more parts comprising a supporting structure and a separation layer and may be mounted on a conduit or pan. | 09-03-2009 |
20090255880 | SINGLE USE SANITARY FILTER ASSEMBLY - A single use, disposable filtration assembly that eliminates the need for disassembly and replacement of fouled filtration modules in a pharmaceutical setting. The single use, disposable filtration assembly is a unitary assembly that is simply positioned and connected within the fluid processing system whereupon the disposable filtration assembly, upon reaching the end of its useable life, is removed from the process as a single, integral unit ready for disposal through appropriate methods. | 10-15-2009 |
20100108620 | 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. | 05-06-2010 |
20100126947 | Filter Bowl Supports and Filter Systems Comprising the Same - A support for supporting and positioning a filter bowl of a filter system may include a bracket body, a rod, an extension arm threadably connected to the rod and a support band connected to and rotatable with respect to the extension arm. The bracket body may include a top plate. The top plate may include an opening for receiving the rod. The rod may be rotatably positioned in the opening in the top plate and extend from the top plate in a direction away from the top plate of the bracket body. The extension arm may be operable to extend from the bracket body or retract towards the top plate of the bracket body when the rod is rotated. The support band may be configured for attachment to the filter bowl of the filter system. | 05-27-2010 |
20100126948 | FILTERING PROCESS AND SYSTEM TO REMOVE AICI3 PARTICULATES FROM IONIC LIQUID - A process for the filtration of an ionic liquid involves feeding an ionic liquid containing precipitated metal halides to a first filtering zone, which includes at least one first filter, to provide a partially filtered product. The process further includes subsequently feeding the partially filtered product to a second filtering zone, which includes at least one second filter having a smaller pore size than the at least one first filter, to provide a filtered product. A filter system capable of filtering precipitated metal halides from ionic liquid is also disclosed. | 05-27-2010 |
20100155344 | Method for filtering a suspension and filter device - A filter device including at least one filter chamber between a filter plate and a counter plate when the device is closed, into which chamber a suspension can be inducted on a cake side of a filter cloth through at least one filling shoe anchored in the filter plate and clamping the cloth with the filter plate in a sealing manner. The suspension permeates the cloth to the filtrate side, wherein the suspension solid content deposits on the cloth as a filter cake, and the filter and counter plates are offset from each other when the device is open, and the cake is removable from the chamber. In order to simplify the disassembly of the cloth, the shoe is movably anchored in the filter plate, and the shoe is automatically lifted off from the filter plate and the clamping of the filter cloth is released when the device is opened. | 06-24-2010 |
20100187190 | CROSS-FLOW FILTRATION SYSTEM - An apparatus and method for filtering working fluid in an appliance with a cross-flow filter located within a recirculation circuit. | 07-29-2010 |
20100206823 | TERTIARY FILTER - A filter cloth of long pile fiber bundles is used as a tertiary filter in a wastewater processing method. The filter may be backwashed by a rotating suction head which does not touch the filter cloth. A combination of countercurrent and horizontal flow dislodges entrained solids from the filter cloth. Mounting of the filter media as modular components permits increased capacity within a single tank while avoiding down time in changeover of filter media. | 08-19-2010 |
20100224575 | Device and Method for Processing Cleaning Fluids - An improved device and a method for processing cleaning fluids, with the device including at least one flushable coarse filter for coarsely filtering the cleaning fluid, a cross-flow filter for finely filtering the coarse filtrate from the at least one coarse filter, a return line through which the coarse filtrate is fed through the cross-flow filter in a circuit, a flushing device for flushing the coarse filter, and a drain branching off from the circuit and connected to the flushing device for flushing the coarse filter with the coarse filtrate fed through the cross-flow filter in the circuit. | 09-09-2010 |
20100237025 | Method and System for Cleaning Filter Media Support Structures - The present invention is related to a method and system for cleaning a media support structure in a filter cell in a liquid filter system, wherein a cleaning solution does not significantly enter a filter media zone. The method comprises supplying a cleaning solution to a filter cell to a level sufficient to submerge the media support structure, but not to significantly enter the filter media zone. Additionally, the cleaning solution level is monitored to ensure the cleaning solution does not significantly enter the filter media zone. Alternatively, the cleaning solution may be continuously recirculated and reintroduced to the filter cell during the cleaning operation. | 09-23-2010 |
20100288712 | Filtering apparatus for inlet fluid into a pressure chamber of a sprayer - A backpack sprayer having a tank with a filling opening at the top thereof and a pressure chamber therein is provided with filtering apparatus for preventing particles in the fluid in the tank from entering an inlet port of the pressure chamber located near the bottom of the tank when suction generated by a pump that depends from the bottom of the pressure chamber causes fluid in the tank to flow through the inlet port into the pressure chamber. The fluid pressurized by the pump flows through an outlet port from the pressure chamber for spraying when a valve in the nozzle at the end of a hose communicating with the outlet port is actuated by an operator. The filtering apparatus is provided by a filter in a frame removably captured in a fixture projecting outwardly from the outside of the pressure chamber on opposite sides of the inlet port. A handle extends from the frame upwardly along the outside of the pressure chamber a sufficient distance to be accessed manually when the hand of the operator extends through the filling opening of the tank. The filter prevents particles, such as sediment, in the liquid at the bottom of the tank from flowing into the pressure chamber and pump mechanism thereof thereby preventing clogging of the pump mechanism and interfering with operation of the sprayer. The filter may be manually removed from the fixture for cleaning and then replaced. The need to totally disassemble the sprayer for cleaning is thereby substantially eliminated. | 11-18-2010 |
20100300989 | 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 |
20100307988 | Filter system - A filter system includes a back-flush unit to back-flush a filter unit, the filter including a housing and a first filter element separating a raw material compartment from a filtrate compartment. The filter unit has a first filtrate outlet and is in communication with the filtrate compartment. The back-flush unit includes a first expansion vessel. The filter system also includes a pressurizing system to pressurize the filtrate when in the second compartment. The filter unit includes a second filtrate outlet spaced apart from the first filtrate outlet. The first filtrate outlet is in communication with the filtrate compartment and with the expansion vessel by a first back-flush nozzle. | 12-09-2010 |
20110017681 | FILTRATION APPARATUS FOR FILTERING A FLUID AND METHODS OF USING THE SAME - Filtration apparatuses for use in polymer processing systems and methods of using the same are provided. The filtration apparatuses can include a housing with one or more supply channels and discharge channels. The filtration apparatus can also include one or more screen-bearing pistons with filter screen cavities therein for receiving filter screens that filter material flowing from the supply channels through the filter screens and out through the discharge channels. Back flushing channels can be formed by alignment of mating channels in the pistons and the housing. The filtration apparatuses can also include a controller that can communicate with a hydraulic power unit to that can be assisted by a rapid accelerator device to control the filtration apparatus. The filtration apparatuses can include filter screen retention plates. | 01-27-2011 |
20110079562 | LIQUID SEPARATION USING RELATIVE MOTION AND FLUID EFFECTS - The embodiments disclosed herein are generally directed to the separation of mixtures of liquids and solids, of liquids and liquids, and/or liquids and solute using a separation medium. The separation medium can be a membrane with a small pore size or a fine mesh. In some embodiments the properties of interactions between the liquid and the medium and/or between components of the mixture are of significance. | 04-07-2011 |
20110108496 | Method of Filtration Using Cloth Media and Self-Aligning Backwash Assembly - The present inventions relate to water and wastewater treatment devices including stationary cloth filter media support structures forming effluent plenums for the filtered influent and self-aligning backwash assemblies for efficient periodic cleaning of the cloth filter media. | 05-12-2011 |
20110120960 | Processes for water and wastewater treatment, Including stationary cloth media filtration - The present invention relates to stationary cloth media filtration systems and devices, as well as processes and devices for uniform flow distribution and improved cloth media filter backwashing. | 05-26-2011 |
20110139731 | FILTER STRUCTURE AND METHOD FOR FILTRATING - The invention provides a filter structure. A second porous film having a plurality of second holes is disposed on a first porous film having a plurality of first holes. The second holes are smaller than the first holes. The filter structure is dried by an easy and power-saving method such as compression. | 06-16-2011 |
20110174745 | APPARATUS AND METHOD FOR SUPPLYING SLURRY FOR A SEMICONDUCTOR - Disclosed is an apparatus for supplying slurry for semiconductor, including a filter which filters slurry particles larger than a predetermined particle size; an air injector which is connected with the filter so as to back-wash the filter using compressed air injected into the filter; a slurry collecting tank which is connected with the filter so as to store the slurry filtered by the filter; and a disintegrator which is connected with the slurry collecting tank so as to crush the filtered slurry. | 07-21-2011 |
20110180495 | VORTEX-ENHANCED FILTRATION DEVICES - Embodiments 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 transfer across the membrane. | 07-28-2011 |
20110186527 | Method And A Means For The Separation Of Oil From A Coolant/Lubricant - When, according to the invention, an oil separator ( | 08-04-2011 |
20110253646 | ALGAE FILTRATION SYSTEMS AND METHODS - Systems and methods for filtering algae from fluid including a piston and pressurized air system to scrape and clean algae from the filter. | 10-20-2011 |
20110309038 | FILTERING DEVICE AND METHOD OF MANUFACTURING SAME - A filtering device uses a filtration unit for filtering raw water, and the filtration unit has a depth filter forming a filtration membrane thereof and a housing accommodating the depth filter. The housing includes a raw water inlet port for supplying the raw water to the depth filter, a filtrate water outlet port, a gas-supplying port for supplying compressed air into the filtration unit to clean the depth filter, and a drain port for discharging the compressed air together with the raw water. A pore diameter of the filtration membrane is designed within a range of 1 to 25 μm. The filtering device includes a filtrate water supplying passage connected to the filtrate water outlet port, a discharge passage connected to the drain port, a communication passage for communicating filtrate water supplying passage with the discharge passage, and a motor valve for opening and closing the communication passage. | 12-22-2011 |
20110309039 | PRE-SEPARATOR FOR A SCREEN SEPARATOR - A pre-separator for a screw press separator wherein the pre-separator increases the concentration of solid material in a water solid material mixture. The pre-separator is configured to have a frustoconical screen surface where a plurality of wiper blades engage the interior portion of the surface to provide de-watering action, and the plurality of blades are configured to reposition with respect to the center axis of the frustoconical surface to allow for engagement between the interior surface of the frustoconical screen, and the wiper blades. | 12-22-2011 |
20110315641 | CONTROLLER FOR AN ACOUSTIC STANDING WAVE GENERATION DEVICE IN ORDER TO PREVENT CLOGGING OF A FILTER - The invention relates to a method and apparatus to continuously monitor and control acoustic energy and vacuum pressure to maintain a net unidirectional flow of multi-phase heterogeneous fluids through a porous filter or membrane. The heterogenous fluid may come form a variety of sources including biological sources such as, blood, bone marrow aspirate (BMA), adipose tissue (lipoaspirate), urine, saliva, etc. | 12-29-2011 |
20120024801 | HOUSEHOLD LAUNDRY DRYER AND FILTERING METHOD - A household laundry dryer has at least one filter container which includes a chamber with an inlet for condensate water to be cleaned. The chamber has a first outlet, a second outlet and a filter element which is arranged between the inlet and the first outlet and which divides the chamber into an inlet-side first chamber part and a second chamber part. The filter container can be configured in such a way that the inlet is arranged below the filter element and the filter element is arranged below the first outlet, and the second outlet opens into the first chamber part. Particles deposited on the filter element by water being pushed through the inlet into the chamber are detachable from the filter element by water flowing back into the chamber, when no water is being pushed through the inlet, and removable through the second outlet. | 02-02-2012 |
20120103920 | IMPROVEMENTS RELATING TO FILTRATION AND DEWATERING APPARATUS - A filtration apparatus which has a filtration chamber, and the filtration chamber has a fluid inlet, a filtered fluid outlet, a residue outlet, and a filtering element. The filtering element is situated between the fluid inlet and the filtered fluid outlet. The apparatus also includes a wiping member which is situated within, or about, the filtering element and which is adapted to wipe the surface of the filtering element. The wiping member also wipes any residue toward the residue outlet when the apparatus is in use. The filtration apparatus includes a first pumping configured to create a flow toward the filtering chamber, and a second pumping situated within the filtering chamber and configured to induce a counter-flow back toward the first pumping. | 05-03-2012 |
20120125867 | FLUSHABLE FILTER DEVICE - A flushable filter for use in filtering water in a chemical dispensing system has a screen selectively placed in a water flow passage with water flowing from one side of the screen therethrough to a separate side and then to a filtered water outlet. In a flush mode, water is directed along and past the one side of the screen to flush filtrates therefrom and to a flush water discharge outlet. | 05-24-2012 |
20120132597 | CROSS-FLOW FILTRATION WITH TURBULENCE AND BACK-FLUSHING ACTION FOR USE WITH ONLINE CHEMICAL MONITORS - A filtration and monitoring system includes an online monitoring device and a filter block having a chamber therein. An inlet pipe provides fluid to the filter block chamber and has an inlet valve located therein configured to shut off the flow of the fluid through the inlet pipe. An outlet pipe removes fluid from the filter block chamber. A filtered fluid conduit fluidically connects the filter block with the monitoring device. The outlet axis of the outlet pipe is offset from the inlet axis of the inlet pipe such that the fluid undergoes a change of direction while passing through the filter block chamber thereby causing turbulent flow within the filter block chamber. The turbulent flow within the filter block sweeps off particles that accumulate on the filter block chamber-side of the filter element to reduce the buildup of filter cake on the filter element. Closing the inlet valve causes a relatively sharp stop to the flow of fluid through the filter block, resulting in a back-flushing flow of fluid through the filter element from a pressure accumulator located in the filtered fluid conduit to the filter block chamber. The back-flushing flow of fluid dislodges filter cake accumulated on the filter block chamber-side of the filter element. | 05-31-2012 |
20120152862 | Non-blocking Filter System - A non-blocking filtration system wherein the suspension filtered continuously scrubs the filter, keeping it free of deposits of solid deposits while the filtrate is removed in a variety of biological and chemical applications, substantially reducing the cost of unit operations. | 06-21-2012 |
20120160783 | WATER FILTRATION DEVICE AND METHOD THEREOF - The water filtration device and method introduce raw water into a filtration barrel where the water is purified by filter elements inside the filtration barrel. A main frame is set up in the filtration barrel and a driving motor is mounted on the main frame. The driving motor engages a holding rack inside the main frame to spin at high speed. Filter elements are stacked and interleaved on the holding rack. When the filter elements require cleaning to remove the attached contaminants from the raw water, filter elements are rotated at high speed along with the holding rack so that the contaminants are thrown off by the centrifugal force. When the filter elements are cleaned, the high-speed rotation of the filter elements could be stopped and the filtration process could be continued or terminated. | 06-28-2012 |
20120187054 | REGENERABLE FILTER DEVICE AND METHOD OF DRIVING THE SAME - A filter device may include a filter unit including a first electrode and a second electrode that are arranged so as to be spaced apart and opposite to each other. At least one of the first and second electrodes may include an electrode material layer that is electrically conductive. The electrode material layer may include a metal-adsorbing material (metal adsorbent). A voltage applier for applying voltage to the first electrode and the second electrode for a desired amount of time based on the conditions after operation of the filter unit, and a method for driving the same. | 07-26-2012 |
20120211443 | ZERO-BACKWASH LIQUID FILTER - Methods and apparatus for filtering particulate matter from a liquid are provided. The apparatus comprise: a housing defining an internal volume; a liquid inlet port; a liquid outlet port disposed above the liquid inlet port; a filter medium support membrane housed within the housing and disposed between the liquid inlet port and the liquid outlet port; and a particulate filter medium loaded onto the filter medium support membrane. The apparatus are designed such that a flow of liquid introduced into the internal volume of the housing through the liquid inlet port and exiting the internal volume of the housing through the liquid outlet port will pass upward through the filter medium support membrane. | 08-23-2012 |
20120223028 | FILTER PROXIMITY NOZZLE - A suction nozzle assembly, comprising a tube coupled to a pressure sink at a distal side thereof, a nozzle, a resilient element which couples said nozzle to a proximal side of said tube and a deformable housing which bridges a gap between said proximal side of said tube and said nozzle. Optionally, a pressure equalizer, for example, a through aperture, is formed in said nozzle. | 09-06-2012 |
20120228239 | Filter device operating method - A filter device operating method involves a plurality of filter elements ( | 09-13-2012 |
20120234775 | PRESSURE FILTER WITH A FLOW DISTRIBUTOR AND A METHOD FOR WASHING THE PRESSURE FILTER - A pressure filter for treating liquor suspensions of a cellulose pulp mill, the pressure filter including a container having tubular filtering elements suspended in a horizontal plate, through which elements filtrate flows and the interior of which communicates with a filtrate chamber located above. The filtering elements collect on their outer surface precipitate that is arranged to be periodically removed by making the filtrate in the filtrate chamber travel counter-currently through the filtration surface of the filtering elements. The filtering elements are cleaned by wash liquid passing from the filtrate chamber into the filtering elements and through their filtration surface. The interior of the filtering elements is provided with a flow distributor above the middle of a filtering element for distributing the flow from the filtrate chamber onto the filtration surface of the filtering element. | 09-20-2012 |
20120255918 | USE OF RHAMNOLIPIDS IN THE WATER TREATMENT INDUSTRY - The present invention relates to a water treatment system that uses rhamnolipids to prevent fouling and bio-film formation on the membrane and equipment and the method thereof. | 10-11-2012 |
20120318755 | WATER FILTER - Water filters which comprise a multitude of discrete filter media elements in a chamber require periodic cleaning. However, the elements tend to become adhered to one another and to the interior surface of the chamber. The invention provides a water filter for use with ponds, comprising a filter chamber for containing filter media, and a first movable cutting member provided substantially immediately adjacent the interior wall of the chamber for movement across the surface of the interior surface of the wall to break the adherence of filter media to the interior wall. | 12-20-2012 |
20130026111 | FILTERING SYSTEM WITH BACKWASH CAPABILITIES - A filtering system that may include a backwashing unit that is arranged to clean the filter when the filtering system operates in a backwashing mode; a first pipe that is couples the first auxiliary input to a first auxiliary output of the at least one auxiliary outputs; a second pipe that couples the second auxiliary input to a second auxiliary output of the at least one auxiliary output; wherein at least one of the first and second pipe comprises an external portion that is external to the input chamber, the intermediate chamber and the backwash chamber; wherein when the filtering system operates at the backwash mode, the backwash chamber maintains a backwash pressure that is lower than (a) an input chamber pressure that is maintained in the input chamber, and (b) an intermediate chamber pressure that is maintained within the filter. | 01-31-2013 |
20130105415 | METHODS AND APPARATUS FOR TREATING WATER AND WASTEWATER EMPLOYING A CLOTH DISK FILTER | 05-02-2013 |
20130112629 | MEDICAL FUNCTIONAL DEVICE, PROCESS FLUID, AND MEDICAL TREATMENT APPARATUS - A medical functional device, provided and designed for single use in a method for extracorporeally treating the blood of a patient, includes at least one process fluid circuit or sections thereof, each provided for receiving a process fluid, at least one first filter device arranged within the process fluid circuit or a section thereof and at least one second filter device arranged within the process fluid circuit or a section thereof. The present invention further relates to a process fluid and a medical treatment apparatus. | 05-09-2013 |
20130118999 | SELF-CLEARING FILTER - A self-clearing filter for filtering a fluid, the self-clearing filter comprising a filter wall having a lumenous side and an external side and a pump for creating a flux of the fluid to impinge against the external side of the filter wall. Methods for filtering a fluid by diverting a portion of the fluid flux to impinge against the filter. | 05-16-2013 |
20130213905 | AGRICULTURAL EMITTER INCLUDING A FILTER AND METHOD OF USING SAME - An unclogging filter apparatus has an irrigation outlet and a flushing outlet. A filtering element moves between at least an operational position and a flushing position. When the filtering element is in the operational position substantially all of the fluid flowing into the apparatus is directed out the irrigation outlet, while the filtering element is disposed for removing a particle from the fluid flowing into the apparatus. When the filtering element is in the flushing position, the filtering element is disposed for flushing the particle out the flushing outlet. | 08-22-2013 |
20130240459 | IRRIGATION DIVERTER, AND RELATED SYSTEMS AND METHODS - An irrigation diverter for diverting a flow of liquid from a larger flow includes a housing, a filter to trap unwanted debris, a cleaner to remove the trapped debris from the filter, and a turbine to power the cleaner. The housing has an inlet and an outlet. The filter is disposed between the inlet and the outlet and operable to allow liquid entering the housing through the inlet to flow to the outlet while preventing debris in the liquid from reaching the outlet. The cleaner scrapes the filter to remove the debris trapped by the filter, and the turbine extracts energy from the larger flow of liquid to power the cleaner. By powering the cleaner with energy extracted from the flowing liquid, one does not have to frequently visit the diverter to manually remove debris from the filter. And, the filter may be continuously cleaned to prevent a buildup of debris trapped by the filter. This, in turn, allows a substantially steady flow of liquid through the diverter and toward a desired location away from the stream, river, lake and/or canal that the diverted is located in. | 09-19-2013 |
20130248464 | FILTER ASSEMBLY WITH WATER EVACUATION AND METHODS - A filter assembly, a filter cartridge and method of filter fluid are provided. The filter assembly includes a filter base, a filter housing and a filter cartridge within the housing. The filter cartridge strips water from the dirty fluid flowing through the assembly. The filter cartridge defines a pair of fluid flow paths extending through a central cavity thereof. The fluid flow paths carry and keep separated a flow of cleaned fluid after it passes through filter media of the cartridge as well as the water that has been stripped from the dirty fluid flow. | 09-26-2013 |
20130264296 | FILTERING APPARATUS FOR REMOVING SOLID MATERIAL FROM A FLUID IN A CHANNEL - A filtering apparatus removes solid material from a fluid in a channel. The filtering apparatus comprises a housing that comprises a substantially vertical passage, a substantially horizontal passage connected to the vertical passage, and an outlet connected to the substantially horizontal passage; a filter medium comprising a plurality of transverse rods and a plurality of filter plates rotatably disposed along each of the transverse rods; a guide track system configured to guide the endless belt from the channel to the outlet; and a drive mechanism configured to convey the filter medium around the closed loop. The guide track system comprises two or more release points where the bearing portions of the filter plates can rotate about the transverse rods so as to permit dislodgement of the solid material from the filter plates. The two release points are located in a portion of the closed loop in the substantially horizontal passage. | 10-10-2013 |
20130306578 | METHOD FOR WATER TREATMENT REGENERATION STAGE - Embodiments of the invention provide a method and system for providing a regeneration stage in a water treatment system. The method can include entering a first air bleed state to allow pressurized, deoxygenated air to exit the water treatment system, entering a second air bleed state to equalize a first air pressure of remaining deoxygenated air inside the water treatment system with a second air pressure outside the water treatment system, entering a backwash state to expel remaining deoxygenated air and particulates from inside the water treatment system, and entering an air draw state to allow oxygenated air to enter the water treatment system. | 11-21-2013 |
20130319957 | METHOD OF PURIFYING FILTER, AND METHOD OF CLEANING OR DRYING OBJECT TO BE TREATED - A filter that filters carbon dioxide in the gaseous, liquid or supercritical state is efficiently purified. The carbon dioxide is used to at least clean or dry an object to be treated, or to clean or dry the object to be treated. A method of purifying a filter for filtering carbon dioxide in a gaseous, liquid or supercritical state is provided. The carbon dioxide is used to at least clean or dry the object to be treated, or to clean and dry the object to be treated. According to the method, the filter | 12-05-2013 |
20140014595 | SELF CLEANING FILTER ARRANGEMENT - A self-cleaning system for a filter includes a filter element; a filter housing with first, second, and third ports; the first port being a fluid inlet; the second port being a fluid outlet, and the third port being a recirculation outlet, the first and second ports being on the upstream side of the filter element; the third port being on the downstream side of the filter element; enabling primary and transverse flow through the filter; whereby reverse flow via the third port is used to clean the filter element; the system including a one-way valve connected to the second port to inhibit reflux of drain fluid into filter. A recirculation pump and a drain pump are controlled to periodically drain the lint removed from the filter to the system drain. | 01-16-2014 |
20140054245 | DOWNSPOUT FILTER DEVICE - A downspout filter device having an external conduit with an inlet end configured for detachable coupling with a downspout and receipt of drain water, and an outlet for dispersal of the drain water. A filter element is positioned within the external conduit, thereby defining a channel for fluid communication of the drainwater from the inlet of external conduit, through the channel and to the outlet end of the external conduit. The filter element has a filtering material adapted to remove debris from the drain water and a receptacle for the receipt of debris. | 02-27-2014 |
20140061142 | Filter Plate And Process For Filtering A Suspension - A filter plate ( | 03-06-2014 |
20140097146 | CARBON NANOSTRUCTURE SEPARATION MEMBRANES AND SEPARATION PROCESSES USING SAME - Carbon nanostructures can include a plurality of carbon nanotubes that are branched, crosslinked, and share common walls with one another, thereby defining a porous space having a tortuous path within the carbon nanostructures. The porous space can be used for sequestering a range of particulate sizes from various types of substances. Separation membranes can include a separation body having an effective pore size of about 1 micron or less and providing a tortuous path for passage of a substance therethrough. The separation body can include carbon nanostructures. | 04-10-2014 |
20140102992 | Filtration Barrier - A filtration barrier includes a filter mesh that has a plurality of groups of flexible filter elements, with each group having at least a first and second flexible filter elements disposed in spaced relation. The first flexible filter element is more flexible than the second. Each flexible filter element is secured to the first and second anchoring members of the mesh and free therebetween. During forward fluid flow, the first and second flexible filter elements are supported against downstream deflection and lie in a common plane. For reverse fluid flow, the first flexible element of a group displaces farther from the common plane than the second flexible filter element of that group, such that a first backwash opening associated with the first flexible element is larger than a second backwash opening associated with the second flexible element. Each group may have more elements, and associated methods are also disclosed. | 04-17-2014 |
20140116966 | HIGH PRESSURE FLUID FILTER SYSTEM - A fluid filter system to be used in pressure washers, high power cleaning devices, heating systems or other hydraulic equipment systems that deliver high pressure fluid through pressure lines. More particularly the present invention is related to a resilient, reusable, pre-tool filter system that is installed within the high pressure fluid flow path between the output of the high pressure pumping system and the high pressure fluid tool attachment, fluid power equipment or other high pressure device | 05-01-2014 |
20140138326 | MIXED FLUID FILTRATION SYSTEM - Embodiments of the present invention provide a filtration system that can be used to filter debris-laden water and to systems for cleaning the filtration system using a vacuum flush system to create a backwash flow through the filter of the filtration system. The filtration system described finds particular use on-board passenger transport vehicles that have a vacuum waste system, such as aircraft. The filtration system provides the ability to collect, treat, and reuse liquid resources in an environment with a vacuum waste system. | 05-22-2014 |
20140217039 | Clog Resistant Media Retainer Assembly - A media retainer assembly for retaining filter media in a filter assembly includes a top plate for supporting the filter media, the top plate having a top surface, a bottom surface and a plurality of openings extending therethrough; a bottom plate having a top surface and a plurality of openings extending therethrough; and scouring media, the scouring media being adapted to abrade the surfaces of the top and bottom plates. The top plate is connected to the bottom plate such that the top surface of the bottom plate is spaced from the bottom surface of the top plate to define at least one chamber between the top plate and the bottom plate. The top surface of the top plate is in fluid communication with the chamber via the openings in the top plate. The scouring media is supported by the bottom plate within the at least one chamber. | 08-07-2014 |
20140263104 | CLEAN WATER MOPPING SYSTEM - A filter bucket and a mop bucket movable between an upstanding use position and a drain position where, when the mop bucket is in the drain position, water in the mop bucket drains into the filter bucket. A fluid flow path connecting the filter bucket to the mop bucket such that water in the filter bucket will flow through the fluid flow path from the filter bucket to the mop bucket. A filter located in the fluid flow path. | 09-18-2014 |
20140263105 | CLEAN WATER MOPPING SYSTEM - A filter bucket and a mop bucket movable relative to the filter bucket between a use position and a drain position. When the mop bucket is in the drain position, the water in the mop bucket drains into the filter bucket. A fluid flow path is provided between the filter bucket and the mop bucket and a filter is located in the fluid flow path such that water flows through the fluid flow path and the filter when the mop bucket is moved from the drain position to the use position. | 09-18-2014 |
20140291261 | RECYCLING FILTRATE TO INLET DURING BACKWASHING - A fluid filtering system with backwashing, particularly for ballast tanks, employing a pump with its inlet connected to receive fluid to be filtered and the outlet of the pump to a unified filtering vessel with apparatus for sequentially backwashing individual filter media elements and connecting the backwash to a drain. The unified filtering vessel has a filtrate outlet connected through a valve for filtering flow to/from ballast tanks. The filtrate outlet is also connected through another valve to the inlet of the pump for including clean filtrate in the backwashing. | 10-02-2014 |
20140299557 | ARTICLE AND METHOD FOR VENTING A PROCESSING VESSEL - A device for venting a processing vessel ( | 10-09-2014 |
20140305885 | COMPACTED HYDROCYCLONE APPARATUS IN VESSELS - A strainer system comprises a strainer housing having an inlet for raw fluid and an outlet for strained fluid; a generally cylindrical strainer basket having a strainer screen and disposed within the housing, the external surface of the strainer screen being in flow communication with the raw fluid inlet and the internal surface of the strainer screen being in flow communication with the strained fluid outlet; a backwash collector assembly comprising a backwash conduit having an opening disposed adjacent the outer surface of the strainer screen, the backwash conduit and the strainer basket being moveable relative to each other, so as to allow the opening to pass across the external surface of the strainer screen. A method of straining a fluid, in particular a liquid, is also provided. Finally, a valve assembly for use in the selective opening and closing of a plurality of backwash conduits is disclosed. | 10-16-2014 |
20140332476 | ELASTOMERIC DEPTH FILTER - The present disclosure provides a depth filter medium comprising at least one elastomeric nonwoven web strengthened by combination with one or more structural support layers. The resulting material is particularly useful in the field of filtration, wherein particulates captured within the elastomeric nonwoven web can be readily released, such as by applying pressure to the web through backwashing. The elastomeric nonwoven web advantageously can stretch under such pressure and return substantially to its original structure and shape upon the removal of the pressure, rendering the filter available for reuse. | 11-13-2014 |
20140346127 | METHOD FOR FILTERING - Embodiments of the disclosure provide a filter structure. A second porous film having a plurality of second holes is disposed on a first porous film having a plurality of first holes. The second holes are smaller than the first holes. The filter structure is dried by an easy and power-saving method such as compression. | 11-27-2014 |
20140353262 | SELF-CLEANING FUEL PUMP - A method and system for removing contaminants from a filter member positioned on the inlet of a fuel pump with an electric DC motor. The polarity of the motor control circuit is reversed causing the DC motor to run in reverse discharging residual fuel in the fuel pump through the filter member. | 12-04-2014 |
20150048036 | Self cleaning swimming pool filter - Self-cleaning swimming pool filter apparatus having a hollow cylindrical filter in a filter housing and a cleaning tube rotatable with respect to the filter, with a plurality of filter cleaning orifices, a pump connected to circulate swimming, pool water through the filter in the operational filtering mode and through the cleaning tube and filter cleaning orifices in the filter cleaning mode, according to the setting of directional valves. | 02-19-2015 |
20150328816 | METHOD FOR THE PURIFICATION OF A FLUID AND FILTERING DEVICE - A method and a device for cleaning a fluid is provided, the device including a housing having at least one inlet and at least one outlet, and a slide mechanism which is movable in the housing and has at least one passage having at least two filters lying substantially symmetrically opposite each other, wherein starting from the housing inlet the fluid flows symmetrically onto the filters in the passage and downstream of the filters is directed to the outlet of the housing, wherein a part of the fluid that does not flow through the passage forms a hydrodynamic buffer in a gap between the slide mechanism and the housing, wherein the passage opens out into at least two symmetrically opposite sub-channels of the outlet and at least four flushing flows are generated in the gap between at least two inlet mouths and at least two outlet mouths of the passage. | 11-19-2015 |
20150329376 | Method and Apparatus of Flush Pump Feature for Portable Liquid Purifying Filter - A flush pump feature on a liquid purifying filter includes a segment of flexible tubing containing a small bulb pump is described. Two check valves are positioned upstream and downstream of the bulb pump which then terminates with a simple manually operated open/closed valve. The addition of this flush pump feature enables the filter unit to be easily purged of air at first use and also will make the filter easier to clean and maintain without the need to remove it from a hydration carrier. In addition, the flush bulb feature can also be used to perform a simple visual integrity test of filter while out in a remote location and also can be used to effectively remove bulk water from the filter for lighter storage when not in use which also minimizes freeze related damage when used in a cold environment. | 11-19-2015 |
20150354241 | POOL SKIMMER BASKET - A pool skimmer basket is provided and includes a top member having an opening for receiving and capturing debris into the pool skimmer basket and a base member having a plurality of apertures. It also includes a collapsible basket portion couples between the top member and the base member and an emptying device operatively coupled between the base member and the top member. The pool skimmer basket is moveable between an extended and collapsed position in response to operation of the emptying device. It also includes a handle coupled to the emptying device and a locking device operatively coupled to the handle, wherein the locking device is moveable between and locked and an unlocked position. The pool skimmer basket is moveable into the collapsed position when the locking device is in the unlocked position and retained in the extended position when the locking device is moved into the locked position. | 12-10-2015 |
20160047115 | THERMAL CATCH BASIN GRATE - Disclosed herein are catch basin grate covers comprising at least one heating block and/or at least one heating rod in thermal communication with a grate cover, wherein the grate cover comprises a) a base; b) a frame; c) a grate; and d) a power source in electric communication with the at least one heating block and/or at least one heating rod. Also disclosed are methods of preventing the clogging of a catch basin grate cover due to ice, the method comprising applying electricity to the heating block of the grate cover, whereby the resulting heat from the heating block causes the ice to thaw, thereby unclogging the catch basin grate cover. | 02-18-2016 |
20160051915 | METHOD AND DEVICE FOR OPERATING A SCREEN WHEEL FILTER - The invention relates to a method and a device for operating a screen wheel filter for highly viscous melts having pressures >10 bar and temperatures >90° C. which shall be further developed in such a way that less of the highly viscous melt is wasted and that the operation of the screen wheel filter can be made more economical. For this purpose the screen wheel ( | 02-25-2016 |
20160059156 | METHODS AND APPARATUS FOR TREATING WATER AND WASTEWATER EMPLOYING A CLOTH FILTER - A backwash header for a cloth filter includes a body having a length, a diameter, first and second ends, a longitudinal axis, and an exterior surface, the body defining at least one internal cavity. The body includes at least one suction slot sized to allow fluids and solids to enter the internal cavity from outside of the exterior surface. A structure is attached to a portion of the exterior surface of the body around and extending away from the suction slot to form an open-ended chamber defined by the structure and a portion of the exterior surface near the suction slot. The structure allows fluids and solids to enter the open-ended chamber and then the suction slot and cavity from a material being cleaned. Cloth filters and methods of treating water and wastewater using the backwash headers and cloth filters. | 03-03-2016 |
20160096147 | POINT OF USE WATER FILTRATION SYSTEM - A portable water filtration system and method for producing clean, safe drinking water from most readily available water supplies is provided. The portable water filtration system can be used in any location to produce clean drinking water without the need for a source of power. The system includes a filter made of polysulfone hollow fiber micro-tubes that is effective in filtering bacteria, protozoa, microorganisms, and other contaminants from unfiltered water sources. The system includes a connector for connecting the filter to a container holding unfiltered water via tubing. The connector has a built-in pre-filter that substantially reduces turbidity in unfiltered water in order to increase the efficiency of the filter, to extend the life of the filter, and to extend the amount of water that can be filtered between filter cleanings. | 04-07-2016 |
20160136546 | DISCHARGE DEVICE AND DISCHARGE METHOD - A discharge method and a discharge device for a cleaning device ( | 05-19-2016 |
20160185631 | AERATION CONTROL VALVE SYSTEM FOR WATER TREATMENT SYSTEM AND METHODS FOR USING SAME - An aeration control valve system may be used with a water treatment system to control aeration and flow of water in accordance with various operating cycles. The aeration control valve system causes air to be pumped or drawn into the water treatment system during an air charge cycle to provide an air charge for aerating the water to facilitate water treatment. The aeration control valve system releases the air during an air release cycle without requiring a backwash cycle. In one embodiment, the aeration control valve system includes a control valve unit configured for connection to a brine tank but instead fluidly coupled to an air intake inlet and an air release outlet for supplying and releasing air, respectively, when the valve cycle actuator is in the brine position and brine tank fill position, respectively. | 06-30-2016 |
20170232368 | LOW ENERGY CONSUMPTION BELT FILTER CLEANING SYSTEM | 08-17-2017 |