Class / Patent application number | Description | Number of patent applications / Date published |
210437000 | Central internal liquid receiver, e.g., tube | 53 |
20080283462 | Filter Element - A sub-component of a replaceable filter element that is interfacably sealing a standpipe includes an end cap, said second end cap defining a first central opening; a central tube extending from the first central opening of the second end cap, wherein the central tube defines an inner surface, an outer surface and a top surface, wherein the top surface defines a second central opening, wherein the central tube includes an actuator excluding keys, free ends, or projections; and a standpipe seal disposed proximate the top surface of the central tube, wherein the standpipe seal defines a third central opening. | 11-20-2008 |
20080290019 | Scavenging Filter - A scavenging filter includes a volume containing activated beads or fiber particles of a scavenging material housed in a removable housing in a cartridge filter body having an axial inlet extending to a space below a permeable false bottom, the fluid permeating upwards through the material, and cleaned liquor leaving via an annular space surrounding the chamber. | 11-27-2008 |
20090090668 | FUEL FILTER ASSEMBLY WITH FLOW RESTRICTION VALVE - A “no filter, no run” filtration system that is designed to verify that an appropriate filter cartridge is installed. A flow control valve is provided on a standpipe to control the flow of fuel into the standpipe. The valve has a component that has a first position at which any flow through the flow passage past the valve is insufficient to permit engine operation, and a second position at which a greater amount of flow through the flow passage is permitted by the valve in an amount sufficient to permit engine operation, and the component rotates about the longitudinal axis when it moves from the first position to the second position and from the second position to the first position. | 04-09-2009 |
20090250390 | Filter - A filter is disclosed. The filter comprises a canister, filter media disposed within the canister, the filter media having a first axial end, a second axial end and circumscribing a central axis and an end cap having an inner radial surface disposed adjacent the first axial end of the filter media, the end cap defining a centralized axial passage therethrough having a sidewall surrounding said passage that extends to a valve actuation portion that is axially offset from the inner radial surface of the end cap, wherein the actuation portion includes at least one cross member that extends from a position on the sidewall across the centralized axial passage, the cross member having a first radial surface closer to the inner radial surface of the end cap than a second radial surface, and wherein the first radial surface of the at least one cross member is substantially planar. | 10-08-2009 |
20100012575 | Channel Filter Having Surface Topology For Filtering Micro Particles And Method For Manufacturing Same - Disclosed is a channel filter for separating microparticles, and more particularly to a channel filter which can easily separate a sample having various sized microparticles by using a surface topology. In the disclosed channel filter, a topology having an upward/downward reference height from a sample inlet to an outlet is continuously or discontinuously formed, and thus it is possible to efficiently separate microparticles from a sample liquid. | 01-21-2010 |
20100176051 | ADSORPTION CARRIER CONTAINING COMPOSITE FIBER - An adsorption carrier includes fibers A having a diameter of 0.5 or more to 8 μm or less and fibers B having a diameter of 8 μm or more to 50 μm or less, the fibers B having a larger diameter than the fibers A, and the fibers B being sheath-core or islands-in-sea composite fibers. | 07-15-2010 |
20110005995 | Fluid filter and method of construction - An axial flow depth filter having a cellulose filter medium of tissue paper spirally wound about a paperboard core is secured to a paperboard inner flow tube for operation by a full surface coating of high performance polyamide hot melt adhesive applied between the I.D. of the paperboard core and the O.D. of the inner flow tube along the entire axial length of the core. | 01-13-2011 |
20110017657 | Filter Device, Especially Liquid Filter - A filter device comprises a hollow cylindrical filter element in a filter housing. The fluid that is to be purified is to radially flow through the filter element. The interior of the filter element forms an axial flow chamber for the fluid. An end plate is arranged on the front side of the filter element. An annular neck, onto which a sealing element is injection-molded, is connected to the end plate. | 01-27-2011 |
20110049040 | MOLECULAR EXCHANGE DEVICE - The present relates to a molecular exchange device. In particular, the present invention relates to a molecular exchange device comprising an outer tube extending from an approximal end to a distal end of the device; an inner tube defining at least one fluid passageway, the inner tube positioned concentrically within the outer tube and the area between the inner and the outer tube defining at least one fluid passageway; and a projection positioned within the area between the inner and the outer tube, wherein the projection prevents displacement of the inner tube with respect to the outer tube. | 03-03-2011 |
20110062076 | SPIRAL WOUND TYPE FILTER CARTRIDGE - Disclosed herein is a spiral wound type filter cartridge and more specifically, a spiral wound type filter cartridge in which activated carbon fiber is provided. The inside of spiral wound type filter cartridge is capable of serving as a carbon filter in a water purifier, thus eliminating the necessity of the use of any carbon filter for pre- or post-treatment in the process of purifying raw water, reducing an overall size of the water purifier and considerably reducing costs associated therewith. | 03-17-2011 |
20110253618 | CIRCULAR FILTERING DISC AND FILTER DEVICE HAVING THE SAME - A circular filtering disc and a filter device having the filtering disc. The filtering disc includes a circular partition plate having an inner hub and an outer rim, with radial inlet holes formed in the outer rim and introducing water to the partition plate, and a vertical outlet hole formed in the center of the inner hub and discharging pure water; and a filter fabric placed on or below the partition plate, wherein water supplied to the filtering disc passes through the filter fabric and becomes concentrated at the vertical outlet hole, and is discharged from the filtering disc through the vertical outlet hole. In the filter device, raw water is supplied through the circumferential edges of the circular filtering discs stacked on top of one another in the filter device and is filtered prior to being discharged from the filter device through the center of the filtering discs. | 10-20-2011 |
20120097600 | MOLECULAR EXCHANGE DEVICE - The present relates to a molecular exchange device. In particular, the molecular exchange device comprises at least one fluid passageway; and an actuator, the actuator positioned to provide a secondary fluid passageway within at least one of the fluid passageways. | 04-26-2012 |
20130206679 | FILTER DEVICE - A filter device includes a main body portion having a cylinder shape, and the main body portion is inserted along a center axis of the pipe. One end portion of the main body portion structuring a filter device is blocked. At least one portion of a flange portion is provided between both end portions of the cylinder, and the flange portion divides a space inside the pipe in a liquid-tight state by elastically deforming and by being attached firmly to an inner surface of the pipe. A first passing portion of the liquid is provided in a cylinder side portion between the one end portion of the cylinder and the flange portion, and a second passing portion of the liquid is provided on a side close to the other end portion of the cylinder than the flange portion. | 08-15-2013 |
20140284263 | Fuel Filter of an Internal Combustion Engine and Filter Element of a Fuel Filter - A fuel filter has a housing with fuel inlet for fuel to be purified, fuel outlet for purified fuel, and water outlet for water separated from the fuel. A filter element is arranged in the housing and separates seal-tightly fuel inlet from fuel outlet. The filter element has a filter medium formed as a hollow body and flowed through from the interior to the exterior of the filter element or in reverse. A coalescing medium formed as a hollow body is arranged in a flow path of the fuel downstream of the filter medium for separating water from the fuel. The coalescing medium surrounds the filter medium or is arranged in the interior. The coalescing medium has at least one nonwoven layer that coalesces water and has a main orientation of fibers transverse to a main flow path of separated water downstream of the coalescing medium. | 09-25-2014 |
20140284264 | Fuel Filter of an Internal Combustion Engine, and Filter Element of a Fuel Filter - Disclosed is a fuel filter ( | 09-25-2014 |
20140311965 | Liquid Filtering Device - A filter arrangement for liquids has a filter housing and a functional carrier arranged inside the filter housing. A cylindrical filter element is inserted axially into the filter housing and defines an unfiltered side and a filtered side inside the filter housing. A non-return diaphragm is secured within the filter housing, wherein the non-return diaphragm is arranged on the functional carrier so as to effect an axial and/or radial sealing action of the unfiltered side relative to the filtered side of the filter arrangement. | 10-23-2014 |
20150096931 | FILTER ELEMENT WITH UNDULATING SEAL - Provided is a filter element having an annular resilient sealing device having a bead that undulates axially back and forth for mating with a correspondingly undulating top surface of a base in a filter assembly. The undulating bead provides for a fluid tight seal while restricting relative rotation of the filter element relative to the base. | 04-09-2015 |
20160131096 | FILTER FOR FLUID SUPPLY SYSTEM - A filter includes housing and a filter device disposed within the housing to define a circumferential cavity therebetween. The filter further includes a cap coupled to an inlet port and the cap includes a first thread portion. The filter further includes a first seal member attached to a first end of the filter device to restrict entry of fluid from the circumferential cavity into a hollow center tube disposed within the filter device. The filter further includes an engagement member provided on the first seal member and the engagement portion includes a second thread portion. The first thread portion of cap is adapted to engage with the second thread portion of the engagement member for removing filter device from the housing. Further, a second seal member is attached to a second end of the filter device to restrict flow of the fluid from the circumferential cavity into a drain port. | 05-12-2016 |
20160151723 | WATER SEPARATING SCREEN FOR A FILTER ELEMENT IN A LIQUID FILTER | 06-02-2016 |
210438000 | Imperforate central liquid tube | 6 |
20080314819 | Filter assembly center tube with upstream diverter - A diverter module is incorporated into a filter cartridge. The module employs a radial passage which diverts fluid to be filtered to the radial periphery of a filter element. The filtered fluid flows inwardly and axially through a transfer passage for discharge from the filter cartridge. | 12-25-2008 |
20090134087 | Noncircular replaceable fuel filter elements and systems including the same - One embodiment is a filter assembly wherein the shape of the filter is a non-circular geometry. Other embodiments include unique apparatus, devices, systems, and methods to remove contaminates from a flow of fuel while at the same time providing a unique filter and filter assembly geometry. Further embodiments, forms, objects, features, advantages, aspects, and benefits of the present application shall become apparent from the detailed description and figures included herewith. | 05-28-2009 |
20110127210 | FILTER UNIT AND FILTER CARTRIDGE - A filter unit of type in which liquid to be filtered is made to flow from a center channel through a bottom channel to a side channel. The filter unit has enhanced air removing performance, and the residual amount of the liquid is reduced by reducing the so-called hold-up volume. A filter unit constructed such that liquid to be filtered, introduced into a housing ( | 06-02-2011 |
210439000 | Axial flow through filter element | 3 |
20090084725 | Permeate adapter for multi-tube pressure vessel - A permeate adapter is provided. The permeate adapter may be used within a pressure vessel. The permeate adapter includes a front portion and an oppositely disposed back portion. The front portion includes a permeate opening for receiving an end of a permeate passage tube of a membrane cartridge and for being in fluid communication with a permeate reservoir. The front portion and the back portion each include one or more fluid openings. Fluid passageways are connected between the one or more front portion fluid openings and the back portion fluid openings. The fluid passageways receive an end of a membrane cartridge at the front portion. At the back portion, the fluid passageways are in fluid communication with a fluid reservoir adjacent the back portion of the permeate adapter. | 04-02-2009 |
20130008844 | Fluid Filter - A straight-through flow filter element is provided in which an L-shaped ring is spaced from one of the inlet and outlet flow faces. The seal member may extend therefrom in a cantilevered manner away from one of the flow faces. The spacing may be facilitated by way of spacer elements which may contact the flow face and thereby also support the flow face toward the outer perimeter. | 01-10-2013 |
20130168310 | LIQUID FILTER ARRANGEMENT; COMPONENTS; AND, METHODS - Liquid filter arrangements are described and shown. The arrangements generally include a filter member comprising a shell enclosing a filter cartridge. Unique features for interface between the enclosed filter cartridge and the shell are provided. Also provided are unique features for interaction between the cartridge and a filter head, in use. | 07-04-2013 |
210440000 | Inlet and outlet at same end | 13 |
20080308486 | LIQUID FILTER ARRANGEMENT AND METHODS - A filter element includes filter media, first and second end caps, a latch arrangement projecting from the first end cap, a tubular neck extending from the first end cap and a valve head oriented within the first end cap aperture constructed and arranged to move between a position sealing the first end cap aperture and exposing the first end cap aperture. A filter assembly includes a filter element, as characterized herein, and including a filter base and a service cover. A method of servicing includes removing an old filter element, operably mounting a new filter element in a filter base including engaging a valve head against a spring member in the filter base, and operably mounting the service cover over the new filter element and filter base. A method of filtering includes directing liquid into a filter assembly, blocking a first end cap aperture by using a spring member in the filter base to urge the valve head against a rim of a tubular neck extending from the filter element, and directing liquid through the filter media to filter the liquid. | 12-18-2008 |
20090008320 | Fluid Filter and Methods - A fluid filter arrangement includes a housing defining a slot arrangement. A filter cartridge is oriented within the housing. A projection arrangement engages the slot arrangement in the housing and spaces the filter cartridge from a wall of the housing to define a fluid flow path between the cartridge and the housing wall. A filter cartridge includes a tubular construction of filter media and a projection arrangement. A filter assembly includes the filter arrangement connected to a filter head. Preferably, the filter cartridge and filter head are made of plastic. Methods of assembling a filter includes inserting a filter cartridge and projection arrangement into an open end of a housing, engaging projections against through-slots defined by the housing to secure the filter cartridge in the housing. In some arrangements, a filter housing includes a plastic wall having an interior side with a support structure in the form of ribs extending from the interior side of the housing. In some arrangements, the plastic filter head is modular and may include male threads molded as part of the filter head. | 01-08-2009 |
20090008321 | WATER TREATMENT DEVICES AND CARTRIDGES THEREFOR - A cartridge for treating water, the cartridge capable of releasably engaging a water treatment device. The cartridge includes a housing, an inlet for introducing untreated water into the cartridge, an outlet port for egress of treated water from the cartridge, and a treatment media for treating untreated water. The treatment media is in fluid communication with the inlet and the outlet port. The cartridge further includes a first tube having an inside surface, an outside surface, a proximal end, and a distal end, where the inside surface and/or the outside surface is a sealing surface. The cartridge further includes a second tube having an inside surface, an outside surface, a proximal end, and a distal end, where the inside surface and/or the outside surface is a sealing surface. The first tube extends from the housing and surrounds the outlet port. At least a portion of $he first tube or the second tube surrounds the other such that a gap is formed between the first tube and the second tube. The gap is capable of holding a volume of water. The first tube extends outwardly from the housing and surrounds the outlet port, and the second tube extends outwardly from the housing and surrounds the first tube such that a gap is formed between the first and second tubes, the gap capable of holding from about 0.1 ml to about 6 ml of water when the cartridge is not sealingly engaged to the water treatment device, and such that the distal end of the second tube extends a greater distance than the distal end of the first tube from the housing, and such that at least one of the sealing surfaces of the second tube extends a greater distance than at least of one of the sealing surfaces of the first tube from the housing. | 01-08-2009 |
20090026127 | FILTER BOWL ASSEMBLY - A disposable filter bowl assembly includes i) a filter bowl; ii) a filter located in the filter bowl; and iii) a non-removable retainer ring with tabular portions engaging an annular groove internal to the filter bowl in a manner permanently securing the element in the bowl. | 01-29-2009 |
20090127183 | Filter device - The invention relates to a filter device with a housing ( | 05-21-2009 |
20100126928 | FILTER CARTRIDGE RETENTION TO NUTPLATE - A filter assembly where the filter cartridge is secured to the nutplate and a seal is provided between the filter cartridge and the nutplate. The sealing relationship between the filter cartridge and the nutplate is maintained during use of the filter assembly without using a spring engaged with the filter cartridge that biases the filter cartridge into engagement with the nutplate. | 05-27-2010 |
20100270231 | Bottom Feed Liquid Filter - A liquid filter, with a housing inlet port and outlet port arranged at the bottom of the liquid filter. The liquid filter may also be configured with an inward projecting domed top cover and/or an eccentric septum plate supporting a desired filter element and/or filter basket. The inward projecting domed top cover configurable with respect to the septum plate to retain the desired filter element and/or filter basket in place when in a closed position. | 10-28-2010 |
20110005996 | Liquid filter, in particular an oil filter - A liquid filter with a filter housing ( | 01-13-2011 |
20110036770 | Sealing Device of a Filter System for Filtering Fluids - A sealing device ( | 02-17-2011 |
20120080372 | Filter System with Fuel-Water Separator - A canister filter system includes a base, a canister attachable to the base, and a fluid separator filter having filter media positioned inside the canister. A drain engages and forms a seal with the filter in a closed position. In an open position, the drain allows fluid to be removed from the canister. The structure of the filter is such that the filter may more efficiently separate fluids. | 04-05-2012 |
20130206680 | Filter Cartridge Assembly and Method of Manufacture Thereof - A filter cartridge has a longitudinal axis. A cartridge housing has first and second shell portions. The first shell portion has a cartridge housing opening and an annular element retention lip which is disposed axially inward of the opening and coaxial with the longitudinal axis. The filter element has a first end cap, a second end cap, and a continuous ring of filter media disposed between the first and second end caps. The first end cap defines a fuel flow port which is coaxial with the longitudinal axis. A plurality of resilient element retention arms extend axially from the first end cap, and surround the fuel flow port. The arms terminate in retention barbs which are mateable with the annular lip. The resilient retention arms hold the retention barbs against the annular lip, suspending the filter element within the cartridge. | 08-15-2013 |
20140166569 | WATER FILTER - A water filter has a filter body, a filtering tube and an assembling cover. The engaging portion of the filtering tube securely engages with the water channel of the assembling cover, and the engaging disk of the filtering tube securely engages with the engaging circular rib of the filtering space, such that the filtering tube is securely limited and positioned between the filter body and the assembling cover; furthermore, the filtering tube, the filter body and the assembling cover respectively engage with each other and are combined together by the welding process, to completely prevent the filtering tube from deforming and misplacing. | 06-19-2014 |
20160023133 | Composite Filter Cartridge - Cartridge components are configured to trap the upper end of a concave housing portion to define an enclosure surrounding a filter element. A disclosed embodiment includes a concave metal housing portion and plastic cartridge components, but other materials may be employed. An upper end cap spans the open end of the housing portion and defines at least one fluid flow aperture. A retainer surrounds the housing portion and is secured to the first component, with engagement features on the housing portion trapped between the upper end cap and retainer. The upper end cap and retainer may be secured to each other by spin welding, threads, adhesive or other suitable means. The outside circumference of one or both of the upper end cap and retainer may be provided with lugs, threads, bosses or other features to interface with complimentary features on the head for securing the cartridge to a head. | 01-28-2016 |
210441000 | Attached to casing | 15 |
20080283463 | Filter with protruding member for engaging valve in head - A fuel filtration apparatus for use in an internal combustion engine comprises an interrupter valve in a flow path from an inlet port of a filter head to a compliant filter. The interrupter valve has an open state and a closed state. In the open state a protruding member of the filter depresses a bottom end of the valve and opens the flow path when the compliant filter is connected to the filter head. The interrupter valve also has a closed state wherein the flow path is closed in the absence of the protruding member of the filter (as with a non-compliant filter). | 11-20-2008 |
20080283464 | Filter assembly with valve requiring compliant filter for open flow path - A fuel filtration apparatus for use in an internal combustion engine comprises an interrupter valve in a flow path from an inlet port of a filter head to a compliant filter. The interrupter valve has an open state and a closed state. In the open state a protruding member of the filter depresses a bottom end of the valve and opens the flow path when the compliant filter is connected to the filter head. The interrupter valve also has a closed state wherein the flow path is closed in the absence of the protruding member of the filter (as with a non-compliant filter). | 11-20-2008 |
20090045130 | CONSTRUCTION OF THE WEDGE FILTRATION MEDIA LAMINATED BY WEDGE FILTER PLATE - 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. | 02-19-2009 |
20090071894 | HOLLOW FIBRE MEMBRANE MODULE WITH A FIXED STRUCTURE - A hollow fibre membrane module with a fixed structure comprises: a bearing shell ( | 03-19-2009 |
20090127184 | Flow-Through Device for The Treatment of a Fluid and Flow-Through Element Used Thereby - Flow-through device for treating a fluid, mainly including a housing in the shape of a pot ( | 05-21-2009 |
20110084016 | FILTRATION ASSEMBLY INCLUDING A CENTRAL TUBE INTERACTING WITH A FILTRATION CARTRIDGE AND WITH A SEAL PERMANENTLY MOUNTED ON SAID CENTRAL TUBE - A filtration assembly is provided for a fluid flowing in an engine or an apparatus that includes a tank on which a central tube is mounted for interaction with a filtration cartridge including an upper flange and a lower flange between which extends a filtration medium. The central tube is permanently mounted on a bearing member connected to the tank. The central tube bears a first seal and a second seal. The cartridge has a collar forming an extension of the lower flange, the collar being adapted for interaction with the first seal on the central tube in order to ensure tightness between the tube and the cartridge. The second seal is adapted for interaction with the bearing member and/or the collar in order to ensure tightness between the tank and the tube. | 04-14-2011 |
20120223006 | FILTER DEVICE AND FILTER ELEMENT FOR USE WITH SUCH A FILTER DEVICE - A filter device having at least one filter housing ( | 09-06-2012 |
20130001152 | FILTER DEVICE - The invention relates to a filter device for fluids, especially for fuels such as diesel fuel, comprising a filter housing ( | 01-03-2013 |
210442000 | Head and base connected | 7 |
20080302717 | MULTI-LAYER FILTER INCLUDING RETAINERS - A multi-layer filter including a first media layer surrounded by a second media layer, a third media layer surrounding the second media layer, and at least one retainer disposed between the first and second media layers or between the second and third media layers. The first, second and third media layers surround the central axis of the filter. The filter has multiple media layers in a compact package, providing increased media surface area which allows greater contaminant holding capacity, lower pressure drop, and lower face velocity. | 12-11-2008 |
20090008322 | Filter Element - A filter element ( | 01-08-2009 |
20090301961 | Hollow Fiber Membrane Separation Device - The present invention refers to a hollow fiber membrane separation device with two flow spaces, of which a first space is formed by the capillary tube passages of a hollow-fiber bundle cast at its ends into a sealing compound, and a second space is formed by a housing enclosing the fiber bundle, wherein the first space is sealed off by caps, placed on the sealing compounds, with seals running over the peripheral areas of the sealing compounds, and wherein the housing, into which the hollow-fiber bundle is drawn, at each end of its casing has tooth-like or pinnacle-like projections formed by axial notches or indentations running out freely. According to the invention, the housing has, between the tooth-like or pinnacle-like projections, extensions extending from said projections and extending to the adjacent tooth-like or pinnacle-like projection. | 12-10-2009 |
20120118812 | FILTER CARTRIDGE FOR LIQUID FILTRATION; ASSEMLBY; AND, METHODS - A liquid filter cartridge is provided. Preferred seal arrangements are provided, to provide for preferred axial load conditions, with respect to one or more of the end caps of the cartridge. Some cartridge configurations provided include no core structure or outer liner structure therein, to support axial load. Assemblies using the cartridge, and methods of assembly and use, are provided. The liquid filter cartridge can be a serviceable cartridge, or it can be retained permanently in a housing. | 05-17-2012 |
20130056409 | SPIN-ON FILTER WITHOUT A NUT PLATE - A spin-on filter that eliminates the use of a nut plate and reduces the number of separate components. Instead, the spin-on filter utilizes the end plate of the filter cartridge to perform a number of functions, including closing the open end of the filter shell, sealing between the dirty and clean fluid sides, sealing between the filter and the mounting head to prevent leakage outside the filter to environment, attaching the filter cartridge to the shell, and sealing the end of the filter media. | 03-07-2013 |
20140014570 | BLOOD-PURIFYING COLUMN - A blood purification column includes a cylindrical body, a first header having a first blood channel, a second header having a second blood channel, an adsorbent carrier, a first end plate, a second end plate, and a blood flow tube, wherein: one end of the blood flow tube communicates with the first blood channel and the other end is closed; the first end plate has its outer circumferential surface closely contacting the inner circumferential surface of the cylindrical body; a gap is provided between the outer circumferential surface of the second end plate and the inner circumferential surface of the cylindrical body; the ratio of the outer diameter of the blood flow tube in the cross-section vertical to the longitudinal direction, to the inner diameter of the cylindrical body in the cross-section vertical to the longitudinal direction, is 0.35 to 0.50; and the blood capacity is 6 to 10 mL. | 01-16-2014 |
20160158675 | SPIN-ON FILTER WITHOUT A NUT PLATE - A spin-on filter that eliminates the use of a nut plate and reduces the number of separate components. Instead, the spin-on filter utilizes the end plate of the filtercartridge to perform a number of functions, including closing the open end of the filter shell, sealing between the dirty and clean fluid sides, sealing between the filter and the mounting head to prevent leakage outside the filter to environment, attaching the filter cartridge to the shell, and sealing the end of the filter media. | 06-09-2016 |