Spaced Filters Patents (Class 210/314)
  • Publication number: 20120168361
    Abstract: The cylindrical or conical shaped particle separator operates based on cyclone-induced flow sweeping the face of the cylindrical separator screen, creating inertial separation of suspended particles. The separator screen comprises of multitude of parallel, evenly spaced, asymmetrically profiled, linear, screen elements arranged in a cylindrical or conical grid-like shape parallel with the axis of the cylinder or cone. The cyclone effect is created by the rotational, helical path of the fluid inside or outside of the cylindrical or conical separator screen. The spinning, rotating fluid sweeps the inner or outer side of the stationary or rotating screen, passing approximately perpendicularly over the linear grid-like elements and gaps between the elements. The screen elements may be wires, bars, narrow strips, airfoil vanes or other similar linear elements with a flow separation edge on the trailing end of the profile of the element.
    Type: Application
    Filed: January 17, 2012
    Publication date: July 5, 2012
    Inventor: Abbas Motakef
  • Patent number: 8192617
    Abstract: Treatment of contaminated liquid is provided including an integrated ultra-filtration and clarification apparatus. Clarification of liquid occurs in a gap between a casing and a tank of the apparatus. Solids settle and aggregate in the bottom of the tank. The solids act as a secondary filter prior to contact of the liquid with the ultra-filtration filters. Clarified liquid is drawn through the ultra-filtration filters. An upstream electrocoagulation unit and a downstream reverse osmosis unit may be included in combination. Electrocoagulation can occur in the tank by reaction plates mounted within the tank. One embodiment includes dual integrated ultra-filtration and clarifier apparatuses and corresponding electrocoagulation units.
    Type: Grant
    Filed: April 25, 2011
    Date of Patent: June 5, 2012
    Inventor: Scott W. Powell
  • Patent number: 8182685
    Abstract: A gas baffle for a waste water treatment plant filter housing that includes a first and second deflecting plate. The gas baffle has at least one flow-through opening defined by the first and second deflecting plates. The combination of the first and second deflecting plates deflects rising gas bubbles and any solid particulates so that the bubbles and particulates do not enter the filter housing. The gas baffle may include exterior apertures to dissipate the rising gas bubbles that travel on the bottom surface of each deflecting plate. The gas baffle may be integrally formed with the filter housing or created separately and subsequently connected.
    Type: Grant
    Filed: December 9, 2011
    Date of Patent: May 22, 2012
    Assignee: Bear Onsite, LLC
    Inventor: Theophilus B. Terry
  • Patent number: 8147685
    Abstract: A container (10) for liquids is provided, in which pressurization of the container is used to force the liquid through one or more membranes to an output. The membranes are disposed across substantially an entire length of the container, and pass liquid in preference to air. As a result, the liquid may be extracted from the container in any orientation. A particular use for this kind of container is as a portable water bottle containing a filter (20).
    Type: Grant
    Filed: September 25, 2007
    Date of Patent: April 3, 2012
    Inventor: Michael Pritchard
  • Publication number: 20120074072
    Abstract: A gas baffle for a waste water treatment plant filter housing that includes a first and second deflecting plate. The gas baffle has at least one flow-through opening defined by the first and second deflecting plates. The combination of the first and second deflecting plates deflects rising gas bubbles and any solid particulates so that the bubbles and particulates do not enter the filter housing. The gas baffle may include exterior apertures to dissipate the rising gas bubbles that travel on the bottom surface of each deflecting plate. The gas baffle may be integrally formed with the filter housing or created separately and subsequently connected.
    Type: Application
    Filed: December 9, 2011
    Publication date: March 29, 2012
    Inventor: Theophilus B. Terry, III
  • Patent number: 8128829
    Abstract: Cross flow filter device comprising a longitudinal first filter element (1) having a first width (w1) and a longitudinal central axis (8), a longitudinal second filter element (2) having a second width (w2) and being longitudinally installed substantially concentrically inside said first filter element (1), a housing (3) surrounding said first filter element (1), said cross flow filter device having respectively a raw material inlet (4), a concentrate outlet (5), and a first filtrate outlet (6) connected to said first filter element (1). The ratio between the second width (w2) and the first width (w1) is 65%, preferably at least 70% and more preferably about 75%.
    Type: Grant
    Filed: June 2, 2011
    Date of Patent: March 6, 2012
    Assignees: Bekaert Advanced Filtration
    Inventors: Martin Eurlings, Philippe Albert, Stefan Vandendijk
  • Patent number: 8083941
    Abstract: An improved construction of filtration media of a wedge filter provides a performance on both surface and inner filtration mechanisms with offering many times recycled use by washable functions. Particularly a wedge filter plate is used to construct a hollow cylindrical type media of wedge filter.
    Type: Grant
    Filed: August 8, 2008
    Date of Patent: December 27, 2011
    Inventor: Huan-Jun Chien
  • Patent number: 8075774
    Abstract: A gas baffle for a waste water treatment plant filter housing that includes a first and second deflecting plate. The gas baffle has at least one flow-through opening defined by the first and second deflecting plates. The combination of the first and second deflecting plates deflects rising gas bubbles and any solid particulates so that the bubbles and particulates do not enter the filter housing. The gas baffle may include exterior apertures to dissipate the rising gas bubbles that travel on the bottom surface of each deflecting plate. The gas baffle may be integrally formed with the filter housing or created separately and subsequently connected.
    Type: Grant
    Filed: September 14, 2009
    Date of Patent: December 13, 2011
    Assignee: Bear Onsite, LLC
    Inventor: Theophilus B. Terry, III
  • Patent number: 8070952
    Abstract: The invention relates to an apparatus and method for simultaneous extrarenal blood purification therapy and respiration support therapy. The apparatus includes a CO2 removing means having a first inlet for receiving a flow of blood for CO2 removal and a first outlet for expelling blood deprived of CO2. The apparatus also includes filtering means having a first inlet for receiving the flow of blood, a first outlet for expelling purified blood, and at least one drain channel. The drain channel directs a diluting liquid obtained from the blood expelled during purification of the blood. The drain channel is directly connected to the first inlet of the CO2 removing means to supply the diluting liquid to the CO2 removing means without submitting the diluting liquid to any filtering treatment during passage along the drain channel.
    Type: Grant
    Filed: April 30, 2008
    Date of Patent: December 6, 2011
    Assignee: Medical Service S.R.L.
    Inventor: Gianni Pasqualini
  • Patent number: 8052867
    Abstract: A filter apparatus has a housing, an inlet port on one side of the housing and an outlet port on an opposed side of the housing. Sheet media is disposed in the housing having a first opening through the sheet media. Also dispersed in the housing is a bag media comprising an enclosed bag with a second opening into the bag. The first opening and the second opening are connected in fluid communication with each other and the sheet media is disposed before the bag media in the direction of flow through the housing so that both media are mounted inside the housing. Some fluid entering the inlet passes through both openings and through the bag media and into the outlet, and other fluid entering the inlet passes through the sheet media and then to the outlet.
    Type: Grant
    Filed: December 24, 2008
    Date of Patent: November 8, 2011
    Assignee: Filtran LLC
    Inventors: Ibrahim Khalil, John W. Shaw
  • Patent number: 7998347
    Abstract: An assembly for filtering contaminants from automatic transmission fluid includes a housing including a first inlet and a second inlet, through which fluid enters the housing, and an outlet, through which fluid exits the housing; a first media filter located within the housing in a first fluid flow path between the first inlet and the outlet; and a second media filter located within the housing in a second fluid flow path between the second inlet and the outlet.
    Type: Grant
    Filed: May 29, 2008
    Date of Patent: August 16, 2011
    Assignee: Ford Global Technologies, LLC
    Inventors: Lev Pekarsky, Robb D. Pratt
  • Patent number: 7992723
    Abstract: A filter includes filter media and a housing surrounding the media. The housing has an outlet and is sealed such that all fluid flow out of the outlet must first enter the cartridge and pass through the media. The housing has multiple inlet flow paths configured so that fluid impinging on the housing is diffused as it enters the cartridge and is prevented from flowing directly towards the filter media.
    Type: Grant
    Filed: October 25, 2007
    Date of Patent: August 9, 2011
    Assignee: PTI Technologies, Inc.
    Inventors: Michael S. Sandford, Kanwar Suri, Michael L. Gao, Rowland Ellis
  • Patent number: 7935255
    Abstract: A filter cartridge configured as a filter-in-filter design with an inner filter and an outer filter. The filter cartridge has features, for example an overhanging lip, to engage with a lid of a filter housing in which the cartridge is installed such that the lid is connected to the cartridge. As a result, the cartridge can be connected to the lid to facilitate installation and removal of the cartridge. Alternatively, the same features that allow connection with the lid permit a user to manually grasp the cartridge during installation and removal so that the cartridge can be used without a lid having attachment features. The filter cartridge is also designed to enable use of a longer inner filter within the outer filter. A longer inner filter increases the amount of filter media available for filtering the fluid.
    Type: Grant
    Filed: September 6, 2007
    Date of Patent: May 3, 2011
    Assignee: Cummins Filtration IP, Inc.
    Inventor: Zemin Jiang
  • Publication number: 20110062072
    Abstract: A fluid filter providing several degrees of filtering is designed to be receivable in a filter container that is closable by a cover. The filter itself includes both an annular main filter element, through which fluid to be filtered can pass radially to undergo primary filtration, and a supplemental filter element, to which fluid discharged from the main filter element passes to provide supplemental filtration additional to the primary filtration. The main filter element, the supplemental filter element, or both may be oblong or circular in cross section. At least one of a pair of end caps disposed on opposed ends of the main filter element carries the supplemental filter element as well as one end of the main filter element. That end cap may or may not be permanently secured to the one filter element end.
    Type: Application
    Filed: September 14, 2010
    Publication date: March 17, 2011
    Applicant: Purolator Filters NA LLC
    Inventor: Daniel LUCAS
  • Patent number: 7862714
    Abstract: The present invention is a reclamation unit (1) for a liquid comprising a housing (4) with a detachable upper (2) and lower (3) part in which the lower part (3) is connected with a base part (13). The lower part (3) comprises at least one heating unit (17) and inlets (14) and outlets (15,34). The upper part (2) encloses at least one filter unit (8). The lower part (3) and the base part (13) form an evaporation chamber (27), wherein the connection between the lower part (3) and the base part (13) includes a separator plate (19) which guides the liquid from the filter unit (8) onto side walls (37) of the evaporator chamber (27). The heating unit (17) protrudes into the evaporator chamber (27) with no conductive contact to the side walls (37).
    Type: Grant
    Filed: September 24, 2004
    Date of Patent: January 4, 2011
    Assignee: Greenoil Standard APS
    Inventors: Lars Brejnbjerg, Bjarne Egelind
  • Publication number: 20100314303
    Abstract: A fuel filter has a coalescent element for separating water from fuel, a prefilter element, a main filter element, and a common central tube, wherein the coalescent element, the prefilter element, and the main filter element are arranged sequentially along the common central tube. A fuel filter arrangement has a housing in which the fuel filter is arranged. The common central tube of the fuel filter is attached to the housing, wherein between the fuel filter and the housing an annular space is formed.
    Type: Application
    Filed: June 15, 2010
    Publication date: December 16, 2010
    Applicant: MANN+HUMMEL GMBH
    Inventors: Jochen Reyinger, Martin Weindorf, Sven Brall
  • Patent number: 7824545
    Abstract: According to an aspect of the present disclosure, a fluid supply assembly fluidly connectable to a source of fluid is provided. The fluid supply assembly includes a housing (702); a hydraulic assembly (710) supported within the housing (702), wherein the hydraulic assembly (710) is configured and adapted to pressurize the fluid which is supplied to a solenoid shut-off valve (724); a tank assembly (714) supported within the housing (702) for retaining a quantity of pre-conditioned fluid therein; and a filter assembly (720) supported within the housing (702) and in fluid communication with the hydraulic assembly (710).
    Type: Grant
    Filed: November 21, 2005
    Date of Patent: November 2, 2010
    Inventor: David Mitchell Windmiller
  • Patent number: 7820040
    Abstract: A filtration device and method for removing pollutants from fluid such as storm-water. The filtration device has a chamber including a series of pivotal filtration assemblies each including a weir and filter. The filters are selected and positioned for sequentially filtering larger then smaller pollutant particles from the water flowing through the device. The weirs are configured and positioned for sequentially permitting water overflow of (and thereby taking off-line) the smaller-particle size filters then the larger-particle size filters from the water flowing through the device. And the filtration assemblies are pivotally mounted to the chamber walls and configured so that, when one of the filters becomes clogged, the water pressure against it causes that filter assembly to pivot into a bypass position permitting water to flow under it.
    Type: Grant
    Filed: September 27, 2007
    Date of Patent: October 26, 2010
    Inventors: John Sebastian Moll, Clark Joseph Use
  • Publication number: 20100264076
    Abstract: A filtering apparatus includes a microsieve with a membrane. The microsieve is coupled between a supply and drain channel. The membrane contains pores between the upstream surface and the downstream surface, as well as a spatial pattern of height variations in the upstream surface of the membrane, so that in a vicinity of a majority of the pores, within a distance of less than ten pore sizes from each of the pores in the majority, at least one of the height variations is provided. The height variations impede proper adhesion of larger particles from the liquid to the upstream surface and thereby reduce clogging problems.
    Type: Application
    Filed: February 16, 2010
    Publication date: October 21, 2010
    Inventors: Franciscus Antonius Pronk, Ressy Charles Reenis, Stefan Sanchez-de Vries, Gerardus Franciscus, M. M. Roothans, Stefan Konstantijn van Trigt
  • Publication number: 20100206799
    Abstract: The fluid treatment system of the present invention includes a liquid filtering method and apparatus. Generally, the liquid filtering apparatus has a housing with at least one inlet, at least one outlet, and an internal chamber extending therebetween such that the at least one inlet and the at least one outlet are in fluid communication with the internal chamber of the housing. The liquid filtering apparatus also has a first filter disposed in the internal chamber of the housing in proximity to the at least one inlet, the first filter capable of removing particulate matter from a liquid entering the internal chamber of the housing via the inlet thereof; and a second filter disposed in the internal chamber of the housing in proximity to the at least one outlet, the second filter capable of removing dissolved impurities from the liquid entering the internal chamber of the housing via the Inlet thereof.
    Type: Application
    Filed: February 17, 2009
    Publication date: August 19, 2010
    Inventors: David Leavitt, John Famula, Christer Broman, Jeremy Hess
  • Patent number: 7749383
    Abstract: A filter cartridge in a filter-in-filter design with an inner filter and an outer filter. A mechanism, for example crush ribs, connects an upper end plate of the outer filter and an upper end plate of the inner filter to prevent relative axial and radial movement therebetween when assembled. Relative axial or radial motion can create a rattling noise which is sometimes perceived as a low quality filter. The crush ribs are, for example, formed on an interior surface of the upper end plate of the outer filter, and the ribs engage an outer perimeter of the upper end plate of the inner filter. One or more of the ribs crush when the inner filter is installed into the outer filter to ensure tight axial and radial engagement between the filters.
    Type: Grant
    Filed: September 6, 2007
    Date of Patent: July 6, 2010
    Assignee: Cummins Filtration IP, Inc.
    Inventor: Zemin Jiang
  • Publication number: 20100140177
    Abstract: A fluid processing system comprising a housing (12) and at least one of a first type and at least one of a second type module, (25-28), The first and second modules having different fluid processing characteristics each module comprising a body of wound layers of a sheet material, said body having an inner and an outer peripheral surface, a first and a second end face, a passage (42, 44) extending along the winding axis of said body and in fluid communication with said inner peripheral surface, the passage of one of the first type and one of the second type modules being closed at one end thereof, said sheet material having a plurality of openings formed therein, said openings forming a first and a second type of channels within the wound layers of sheet material of said body, extending in a direction from the inner peripheral surface to the outer peripheral surface, the first type of channels being open at one end at said outer peripheral surface of the body and closed at the other end located adjacent to sa
    Type: Application
    Filed: February 1, 2008
    Publication date: June 10, 2010
    Applicant: PALL CORPORATION
    Inventors: Wolfgang Diemer, Martin Zeiler, Klaus Feifel
  • Patent number: 7731845
    Abstract: A fuel filter has a filter housing and an annular filter element arranged in the filter housing. Between the bottom of the filter housing and the bottom area of the filter element a water collecting chamber is formed. The filter element has a coalescing element and a particle filter element. Fuel flows radially from the interior to the exterior of the coalescing element and from the exterior to the interior of the particle filter element. A riser tube extends through the clean chamber and the raw chamber from the bottom of the filter housing to the top. The riser tube has a clean channel and a guide channel. A seal on the riser tube separates a clean chamber from a raw chamber of the filter. A water removal tube is arranged inside the guide channel for removing water from the water collecting chamber.
    Type: Grant
    Filed: October 27, 2007
    Date of Patent: June 8, 2010
    Assignee: Mann + Hummel GmbH
    Inventors: Johannes Lampert, Andre Rösgen
  • Publication number: 20100126934
    Abstract: To provide a purification process where a fluorine-based solvent can be obtained at a high purity by relatively small equipment without using a distillation apparatus. A purification process of a mixed solution containing a fluorine-based solvent which is a process for purifying a fluorine-based solvent from a mixed solution containing a fluorine-based solvent, a water-soluble organic solvent contaminant, an organic contaminant and an ion contaminant, the process comprising: step (1): washing the mixed solution with water to obtain a first treated solution in which the water-soluble organic solvent concentration is reduced to 0.
    Type: Application
    Filed: February 4, 2008
    Publication date: May 27, 2010
    Inventors: Daisuke Nakazato, Hiromi Kofuse
  • Publication number: 20100051533
    Abstract: A flexible blood filter allowing smooth flow of a liquid and being excellent in separation resistance, pressure resistance and centrifugation resistance. The blood processing filter, comprising a first filter element for removing aggregates from blood, a second filter element for removing leukocytes provided in the downstream of the first filter element, and the third filter element having gas permeability of 3 to 40 cc/cm2/sec per thickness of 1 cm provided between the second filter element and the outlet port side container.
    Type: Application
    Filed: November 10, 2009
    Publication date: March 4, 2010
    Applicant: ASAHI MEDICAL CO., LTD
    Inventors: Shin-ichiroh OKA, Yoshimasa MATSUURA, Tomohisa YOKOMIZO
  • Patent number: 7662278
    Abstract: A self-cleaning assembly comprising an enclosed casing 1 with a movable piston 31 and filters 32,33 therein. The preferred assembly has a casing 1 with a dirty water inlet 5, a first outlet 6 for clean filtered water and a second outlet 7 for the removal of sludge from the casing. The filter assembly is constructed and arranged to provide, in its normal operating mode, a liquid flow path through the filter 32,33 in a first direction between the dirty water inlet 5 and the clean water outlet 6 and, in a cleaning mode, to provide a liquid flow path in a second direction between the dirty water inlet 5 and the sludge outlet 7. In the cleaning mode, the movable member 31 compresses the filters 32,33 during the liquid flow in the second direction and contaminant is released therefrom for removal from the filter assembly via the second outlet 7. In an alternative embodiment, the sludge outlet 7 is omitted and sludge is removed from the casing via the outlet 6.
    Type: Grant
    Filed: April 10, 2003
    Date of Patent: February 16, 2010
    Assignee: Pet Mate Ltd.
    Inventors: Steve Martin Brooks, Robert Ivan John Wiedemann, David Goodwin
  • Publication number: 20090314703
    Abstract: The present invention is a portable water filtration/purification system that may be used for educational purposes. It includes a plurality of stackable filtration/purification housings, each of which accommodates a different type of water filtration/purification subsystem. A pressurization cap connectable to each housing provides for pressurizing one, several or all housings stacked in a particular combination or sub-combination. The housings may be color-coded for easy identification of each the type of filter within a particular housing. The water filters or purifiers in the various housing may include, but are not limited to, a sediment filter, a carbon filter, a reverse osmosis filter, a forward osmosis filter, a chemical purifier (or purification sub-system), and/or an ultraviolet light water purifier (or purification sub-system).
    Type: Application
    Filed: June 20, 2008
    Publication date: December 24, 2009
    Inventors: Kelsey E. Beach, Paul M. Boyle, Clint C. Corcoran, Ali N. Hamshari, James J. Tuttle, Brent C. Houchens, David M. McStravick
  • Publication number: 20090166301
    Abstract: The present disclosure is directed to a capsule configured to direct fuel flow within a fuel filter assembly housing. The capsule has a tubular element configured to define a flow path between the capsule and a fuel filter assembly housing. The tubular element defines an interior chamber, a proximal end, and a distal end defining a manifold. The tubular element is configured to be removably received by the fuel filter assembly housing. The interior chamber is configured to receive a fuel filter element. The capsule is configured to direct fuel flow from the proximal end of the capsule, around the tubular element, to a point beyond the distal end of the capsule, and to receive fuel flow from the point beyond the distal end of the capsule and direct the fuel flow via the manifold to the filter element, thereby providing at least two passes of the fuel flow through filter elements within the fuel filter assembly housing.
    Type: Application
    Filed: December 28, 2007
    Publication date: July 2, 2009
    Inventor: Rhett Dakota Ringenberger
  • Publication number: 20090127178
    Abstract: A portable water purification device includes a base, a fixed sleeve, a tube, a filtering unit, and a movable sleeve. The base includes a channel for providing filtered liquid. The fixed sleeve is fixed on the base and includes a first peripheral wall and a first axial hole. The tube on where the filtering unit is mounted is secured on the base and held in the first axial hole to define a penetrated hole communicating with the channel. The movable sleeve is mounted on an external surface of the fixed sleeve, and slid between a first position away from the base and a second position adjacent to the base. The movable sleeve includes a second peripheral wall and a second axial hole whereby the first axial hole communicates with the second axial hole to define a containing room when the movable sleeve is located on the first position.
    Type: Application
    Filed: November 19, 2007
    Publication date: May 21, 2009
    Applicant: NEW CENTURY MEMBRANE CO., LTD.
    Inventor: Chi-Chang Kuo
  • Patent number: 7527739
    Abstract: An apparatus, system, and method are disclosed for multistage water separation. A first separation layer separates water droplets from a fuel flow by repelling the first water droplets. A coalescing layer may coalesce fine water droplets in the fuel flow. In one embodiment, a centrifugal separator directs the fuel flow tangentially to a filter wall and the centrifugal force of the fuel flow directed tangentially along the filter wall biases water droplets from the fuel flow. A second separation layer separates second water droplets from the fuel flow.
    Type: Grant
    Filed: August 15, 2005
    Date of Patent: May 5, 2009
    Assignee: Fleetguard Inc
    Inventors: Zemin Jiang, Ted S. Loftis, Mark J. Johnson, Barry M. Verdegan
  • Patent number: 7507338
    Abstract: A universal water purifier unitary assembly device comprising a device housing unit support structure, a manually operated air pump, a force-fed water filter cartridge of multiple separable stages and a separable sealing means to seal the junction and opening between said universal water purifier unitary assembly device housing unit support structure and water container of water to be filtered wherein junction and opening between of said water purifier unitary assembly device housing unit support structure and said water container is sealed to retain compressed air. Water of said container is filtered, treated and used as needed on demand as in a group environment wherein individual use and consumption of purified water is relevant. The water is stored in a container, being pumped from the container by compressed air provided by an air pump.
    Type: Grant
    Filed: October 13, 2006
    Date of Patent: March 24, 2009
    Assignee: Filtrex Holdings Pte Ltd.
    Inventors: Govind Bommi, Krishna Murthy Bommi
  • Patent number: 7445711
    Abstract: The invention relates to an assembly with a filter housing and at least one filter cartridge. The at least one filter cartridge is tubular, has a tube wall provided with a filter and comprises a central discharge channel with a discharge connection for discharge of filtered medium. The tube wall has a filter through which the medium to be filtered is able to flow transversely to the tube wall. The filter housing has a filter chamber, surrounded by a side wall, in which the at least one filter cartridge is accommodated with the longitudinal direction parallel to the side wall. The invention furthermore is directed to a filter cartridge intended for such an assembly.
    Type: Grant
    Filed: October 23, 2003
    Date of Patent: November 4, 2008
    Assignee: Indufil B.V.
    Inventors: Peter Alexander Josefus Pas, Frits Nicolaas Johannes Jacobus Greter
  • Patent number: 7431081
    Abstract: The invention relates to a device for removal and filtration of drilling fluid at top hole drilling, where a suction module (10) comprises an extended, pipe-formed body (30), open at the top and which is arranged to an ocean-bottom penetrating pipe, through which a drill stem is led for drilling of the top hole, and where the pipe-formed body (30) comprises at least one outlet passage (32) in the pipe wall for export of return drilling fluid from the bore hole to a pump module (12). The invention is characterized in that the pipe-formed body (30) comprises a filtration device with through openings, where the mentioned openings are arranged to let through, to at least one outlet passage (32), return drilling fluid containing suspended material, such as swelling clay and stones, having a size that is less that the diameter of the inlet pipe of the pump or the openings of the pump.
    Type: Grant
    Filed: November 17, 2004
    Date of Patent: October 7, 2008
    Inventor: Roger Stave
  • Patent number: 7413653
    Abstract: A portable filtered drinking water system for removing undesirable tastes, odors, and contaminants from potable water to improve the quality of the water for drinking or consumption. The device consists of a container that holds the potable water and has an air tight screw on cap. Mounted on the cap is an opening for a screw-in hand air pump to create air pressure inside the container and an opening for a faucet for dispensing filtered drinking water. Pulling up and pushing down several times on the hand air pump creates air pressure in the container that forces the potable water through a water filter located inside the container and up to a faucet to be dispensed when a lever is pushed down.
    Type: Grant
    Filed: August 23, 2005
    Date of Patent: August 19, 2008
    Inventor: James Dennis Powell
  • Patent number: 7413587
    Abstract: A fluid handling device having a support frame and a plurality of filter frames attached thereto. Each of the filter frames has an outer frame member that removably secures a filter; the filters being either a planar filter, pocket filter, or multiple pocket filter. The various filters can be arranged to correlate the change-out schedule of all of the filters across the fluid flow area. The filters with the highest particulate capacity can be arranged to be in the zone of the fluid flow area with the highest particulate concentration. The filters are easily constructed from a single piece of filtration media and collapsible to save space when storing or shipping.
    Type: Grant
    Filed: June 27, 2006
    Date of Patent: August 19, 2008
    Inventor: Scott B. Beier
  • Publication number: 20080179263
    Abstract: A combined filter apparatus includes a first filter element, a second filter element disposed in stacking arrangement to the first filter element, a housing enclosing the filter elements, a seal sealing the dirty side of the first filter element from the dirty side of the second filter element, a first inlet disposed in the housing for fluid flow to the first filter element, a second inlet disposed in the housing for fluid flow to the second filter element, and an outlet disposed in the housing for fluid flow from at least one of the filter elements.
    Type: Application
    Filed: July 31, 2007
    Publication date: July 31, 2008
    Inventors: Mark T. Wieczorek, Naren Shaam, Charles W. Hawkins, Chad M. Thomas, Ted Loftis, Barry M. Verdegan, Zemin Jiang
  • Publication number: 20080135469
    Abstract: A device for filtering fuel, in particular diesel, the device comprising a housing containing a flow circuit, a first particle filter element, a second particle filter element, and a water separation fabric. The fuel flow circuit extends between an inlet and an outlet. The first particle filter element is adapted to cause the water contained in the fuel to coalesce in the form of droplets. The second particle filter element is disposed downstream from the first filter element in the fuel flow circuit. The water separation fabric is interposed between the first filter element and the second filter element in the fuel flow circuit and is adapted to form a barrier against droplets of water.
    Type: Application
    Filed: December 13, 2006
    Publication date: June 12, 2008
    Applicant: FILTRAUTO
    Inventors: Laurent Fremont, Mathieu Petiteaux
  • Patent number: 7316778
    Abstract: An improved oil conditioning filter, for use with an internal combustion engine, includes a mechanically active filter element and a chemically active filter element having a reactive basic conditioner therein. The reactive basic conditioner is provided to counteract acidic combustion products in lubricating oil in an internal combustion engine. In a preferred embodiment of the invention, the chemically active conditioning agent is provided in a plurality of pellets disposed within the oil filter housing. The pellets may be bonded together to form an integral porous filter element having spaces defined between the pellets thereof. The pellets are made of a mixture including a polymeric binder and the chemically active conditioning agent, in a defined weight ratio and in a narrow range of particle sizes. The chemically active filter element reacts with acids present in the oil to form a product which may be filtered out of the oil. The pellets are made either by a hot extrusion process or by a solvent process.
    Type: Grant
    Filed: January 26, 2004
    Date of Patent: January 8, 2008
    Assignee: Honeywell International, Inc.
    Inventors: Ronald Paul Rohrbach, Gordon William Jones, Peter D. Unger, Daniel E. Bause, Lixin L. Xue, Greg Kemenah
  • Patent number: 7285209
    Abstract: The invention discloses an apparatus for filtration of water from hydrocarbons comprised of a fresh-feed inlet, a first dead end filter, that is hydrophobic, a second sweeping-flow filter, that is hydrophobic, a common housing containing both the first and second filters, a system for the recirculation of the retentate, a chamber for water settling, and an outlet for clean fuel permeate. This invention takes advantage of the properties of the functional groups of a surfactant, by using the surfactant to allow a hydrophobic medium to attract water, attach the water molecules to the hydrophobic medium, and then allow for agglomeration of the water molecules, which finally become large enough to detach and be swept away by the sweeping-flow. This invention can thus be used to remove high concentrations of water, up to 5%, in hydrocarbons, while allowing a high flow rate by preventing blockage of the final filter by water.
    Type: Grant
    Filed: June 9, 2004
    Date of Patent: October 23, 2007
    Inventors: Guanghua Yu, Chang-Wei Jen, Montfort Thierry
  • Patent number: 7285213
    Abstract: The subject of the invention is a conveying unit (2) with a baffle (5), with a fuel pump (6) arranged therein and with a filter (14) which is arranged at the bottom (7) of the baffle (5) and which precedes an inlet orifice (8) arranged at the bottom (7) of the baffle (5). On that side of the baffle (5) which faces the tank bottom (9), ducts (11) are arranged, which are designed in such a way that fuel can flow from the circumference of the baffle (5) to the inlet orifice (8), and that shaped elements (13) forming filters (14) are arranged in the ducts (11).
    Type: Grant
    Filed: March 2, 2005
    Date of Patent: October 23, 2007
    Assignee: Siemens Aktiengesellschaft
    Inventor: Torsten Barz
  • Patent number: 7270754
    Abstract: According to the present invention, there is provided a wastewater processing apparatus and method comprising a rotating filter thickener (20) receiving and filtering a wastewater mixture and producing a first filtrate output and a first sludge output, a screw press thickener (24) receiving the first sludge output and forming a final sludge output and a second filtrate output, a dissolved air floatator (46) receiving the first filtrate output from the rotating filter thickener (20) and producing a first solid output and a third filtrate output.
    Type: Grant
    Filed: December 23, 2005
    Date of Patent: September 18, 2007
    Assignee: Meri Entsorgungstechnik fur die Papierindustrie GmbH
    Inventors: Lucas Menke, George Troubounis, Brad Leitner, Bob Knoll, Carl Theunis
  • Patent number: 7135114
    Abstract: In a filtration device (1) comprising a pressure-resistant housing (2) with a liquid inlet opening (3) and an outlet opening (4) for filtered matter, into which a collecting channel (12) terminates, at least one filter element (8–11) designed as flat membrane is connected to the collecting channel (12) in a pressure-tight manner. This device provides a high liquid throughput at the same time having a compact construction.
    Type: Grant
    Filed: November 19, 2003
    Date of Patent: November 14, 2006
    Assignee: ItN Nanovation GmbH
    Inventors: Ralph Nonninger, Olaf Binkle, Romeo Volz, Hans-Jürgen Schmidt
  • Patent number: 7105089
    Abstract: A liquid-liquid extraction system including an outer chamber and an inner chamber. The outer chamber is adapted to contain one of a feed solution and a liquid extractant and defines a containment region. The inner chamber is adapted to contain the other of the feed solution and the liquid extractant within a lower portion of the inner chamber. The inner chamber is defined by a microporous membrane sleeve that internally maintains a frame. Upon final assembly, at least the lower portion of the inner chamber is positioned within the containment region of the outer chamber such that the microporous membrane sleeve establishes an extraction interface between contents of the inner and outer chambers. In one embodiment, the flow region of the microporous membrane sleeve is immersed within a feed solution otherwise contained within the outer chamber.
    Type: Grant
    Filed: March 13, 2003
    Date of Patent: September 12, 2006
    Assignee: 3M Innovative Properties Company
    Inventors: Dan L. Fanselow, Todd W. Johnson
  • Patent number: 7077272
    Abstract: An antibacterial member is constituted such that a propolis component is contained in, or adhered to, a water-insoluble base member. This antibacterial member is mixed into a filter member to be disposed in a flow passage in an antibacterial filter. Water in the antibacterial filter receives the antibacterial action from the propolis component when coming in contact with the antibacterial member. Thus, microorganisms in water is extinguished, and generation and propagation of germs, bacteria, algae and the like are suppressed.
    Type: Grant
    Filed: December 19, 2001
    Date of Patent: July 18, 2006
    Assignee: Healthybank Co., Ltd.
    Inventor: Kazunori Shimada
  • Patent number: 7056441
    Abstract: According to the present invention, there is provided a wastewater processing apparatus and method comprising a rotating filter thickener (20) receiving and filtering a wastewater mixture and producing a first filtrate output and a first sludge output, a screw press thickener (24) receiving the first sludge output and forming a final sludge output and a second filtrate output, a dissolved air flotator (46) receiving the first filtrate output from the rotating filter thickener (20) and producing a first solid output and a third filtrate output, a first conductor (10, 12, 29) for mixing incoming raw manure wastewater and the second filtrate output from the screw press thickener (24) to produce the wastewater mixture for input to the rotating filter thickener (20), and a second conductor (34) for branching off a part of the first filtrate output to a spray cleaner (38) for spraying the part of the first filtrate output onto the filtration disks (70) for their cleaning.
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: June 6, 2006
    Assignee: Meri Entsorgungstechnik fur die Papierindustrie GmbH
    Inventors: Lucas Menke, George Troubounis, Brad Leitner, Bob Knoll, Carl Theunis
  • Patent number: 6986428
    Abstract: The present invention includes a membrane construction for selectively transferring a constituent to or from a fluid. The membrane construction includes a multi-layer fluid impermeable support sheet having a plurality of supports on at least one side of the support sheet that form a plurality of flow channels. At least one layer of the multi-layer support sheet is a bonding layer. A fluid permeable layer extends over the flow channels and is bonded to the plurality of the supports by the bonding layer.
    Type: Grant
    Filed: May 14, 2003
    Date of Patent: January 17, 2006
    Assignee: 3M Innovative Properties Company
    Inventors: Jonathan F. Hester, Brian E. Spiewak, Philip D. Radovanovic, Stefan R. Reimann, Robert S. Kody
  • Patent number: 6979308
    Abstract: A scaled-up multi-coaxial fiber bioreactor, and variations of this bioreactor. The device is characterized by a hollow housing and an array of from about 20 to about 400 modules of hollow fibers, where each module includes at least three coaxial semipermeable hollow fibers. The innermost fiber provides a boundary for an innermost compartment which is connected to inlet and outlet ports. Arranged coaxially around the central hollow fiber are several other hollow fibers with their respective compartments, each compartment defined by a respective annular space between adjacent fibers and each including inlet and outlet ports. An outermost compartment for permitting integral aeration is the space between the outer side of the outermost fibers and the inner side of the housing, and has inlet and outlet ports. The hollow housing has inlet and outlet manifolds and flow distributors for each of the compartments. In a preferred embodiment the bioreactor is used as an extracorporeal liver.
    Type: Grant
    Filed: June 5, 2000
    Date of Patent: December 27, 2005
    Assignee: University of North Carolina at Chapel Hill
    Inventors: Jeffrey M. MacDonald, Stephen P. Wolfe
  • Patent number: 6926827
    Abstract: A fuel dispenser filter for filtering fuel is adapted to be connected to a support in a fuel distribution system. The filter comprises a housing including an adaptor constructed and arranged to be secured to the support and a bowl operatively connected to the adaptor. A stud/spacer is secured in the adaptor. The stud/spacer defines a centrally disposed outlet flow passage and outwardly disposed inlet flow passages. A sleeve member is movably supported in the adaptor between the stud/spacer and the adaptor. The sleeve member is constructed and arranged to open and close the fuel flow through the inlet flow passages. A filter assembly including filter media is provided in the bowl for filtering the fuel passing through the filter. When the bowl is firmly engaged with the adaptor, the sleeve member is moved to open position to permit the flow of fuel through the filter and when the bowl is removed from the adaptor, the sleeve member is moved to a closed position to stop the flow of fuel.
    Type: Grant
    Filed: May 2, 2003
    Date of Patent: August 9, 2005
    Assignee: Champion Laboratories, Inc.
    Inventors: Michael J. Gruca, David E. Hahn, W. Scott Atteberry
  • Patent number: 6893571
    Abstract: An apparatus for storing water separated from fuels by a fuel filter is provided. The apparatus includes an absorber connected to a water accumulator of the fuel filter. The stored water may then be released again through heating or pressure using commercially available components and supplied to a further use.
    Type: Grant
    Filed: December 6, 2002
    Date of Patent: May 17, 2005
    Assignee: Filterwerk Mann & Hummel GmbH
    Inventors: Michael Harenbrock, Andre Roesgen
  • Patent number: 6863804
    Abstract: A pre-filter device for use with filter canisters is described which will prevent pressure build-up, clogging and engine damage. The pre-filter device comprises a metal screen having a relief port positioned within the pre-filter device for collecting the majority of the larger metallic particles and debris suspended within the oil.
    Type: Grant
    Filed: January 31, 2003
    Date of Patent: March 8, 2005
    Inventor: Howard C. Stewart