Class / Patent application number | Description | Number of patent applications / Date published |
055498000 | Spiral or cylindrical | 61 |
20080196370 | PLEATED DIESEL PARTICULATE FILTER ASSEMBLY - A filter assembly is configured to be incorporated into an exhaust treatment device. The filter assembly comprises a frame, a filter media element, and a plurality of dividers supporting the filter media element within the frame. The frame has a first end and a second end defining a frame length therebetween. The filter media element is disposed within the frame and extends generally perpendicular to the frame length as a series of pleated contours. The plurality of dividers includes a first divider and a second divider. The first divider is disposed adjacent to the filter media element at the first end of the frame. The second divider is disposed adjacent to the filter media element at the second end of the frame. | 08-21-2008 |
20080209874 | Filter arrangement; sealing system; and methods - A filter pack includes a filter construction and a sealing system for sealing the construction within a duct or housing. The filter construction has first and second opposite flow faces and is configured for a straight-through flow. The sealing system includes a frame construction and a compressible seal member. The compressible seal member is molded around a portion of the frame construction. The compressible seal member is sufficiently compressible to form a radial seal between and against the frame construction and a surface of a housing when the filter pack is inserted within the housing. | 09-04-2008 |
20080209875 | Radial Seal Filter With Open End Pleats - A filter, comprising: a filter element comprising pleated filter media having a plurality of pleats configured into a closed loop of filter media, the filter element having an outer perimeter defined by a plurality of outer pleat tips, and an inner perimeter defined by a plurality of inner pleat tips, the plurality of inner pleat tips defining an inner chamber extending through the filter element; a cap disposed on a first end of the filter element the cap being configured to seal a first opening of the first end of the filter; a first plurality of open end pleats positioned between an edge of the cap and the outer perimeter of the filter element, the first plurality of open end pleats defining a first fluid path through the filter media into the inner chamber; a sealing ring disposed on a second end of the filter element the sealing ring being configured to provide an inlet opening providing fluid communication to the inner chamber; and a second plurality of open end pleats positioned between an edge of the sealing ring and the outer perimeter of the filter element, the second plurality of open end pleats defining a second fluid path through the filter media into the inner chamber. | 09-04-2008 |
20080245039 | Exhaust Filter - An exhaust filter having a pleated filter media mounted between end caps is disclosed herein. The filter has a construction suitable for high temperature environments such as engine exhaust systems. | 10-09-2008 |
20080250766 | Z-Filter Media Pack Arrangement; and, Methods - Z-filter media pack arrangements and methods for providing them are described. Certain aspects concern a cured-in-place seal on an outside of a coiled z-filter media combination. Other aspects concern a cured-in-place center core, most preferably one that has opposite concave ends with seal arrangements configured to seal a lead end portion of the coiled z-filter media combination. | 10-16-2008 |
20080276583 | Filter, Especially Air Filter - A filter has a housing and a filter element with a first filter medium, wherein the filter element is arranged in the housing. A releasable lid is provided at an end face of the housing and closes off the housing. The releasable lid and the filter element together form a unitary component and the releasable lid forms a terminal disk at a first end of the filter element. The releasable lid forming the terminal disk of the filter element is glued to an end face of the first filter medium. The unitary construction of the filter element and the lid simplifies changing the filter element. | 11-13-2008 |
20080314010 | COMPOSITE FILTER MEDIA - A composite filter media structure includes, in an exemplary embodiment, a base substrate that includes a nonwoven synthetic fabric formed from a plurality of fibers with a spunbond process. The base substrate has a minimum filtration efficiency of about 50%, measured in accordance with ASHRAE 52.2-1999 test procedure A nanofiber layer is deposited on one side of the base substrate. The composite filter media structure has a minimum filtration efficiency of about 75%, measured in accordance with ASHRAE 52.2-1999 test procedure. | 12-25-2008 |
20090094951 | Air cleaner arrangments with end support for cartridge; components; and, methods - An air cleaner assembly is described and shown which includes a housing having an air flow inlet, an air flow outlet and a housing body and access cover. A serviceable filter cartridge is positioned within the housing. A projection/receiver arrangement providing for engagement between the cartridge and the access cover is provided. The projection/receiver arrangement can be configured in a manner that inhibits both cantilevered motion and rotational motion of the cartridge, once installed. An example projection/receiver arrangement is provided, which includes a serpentine receiving groove on the access cover and a serpentine projection on the filter cartridge. | 04-16-2009 |
20090205302 | COMPACT AIR FILTER ELEMENT WITH KNOCK PROTECTION - A compact filter element ( | 08-20-2009 |
20090249756 | Air cleaner; air filter cartridge and method of manufacturing - According to the present disclosure an air cleaner and air filter cartridge arrangement is provided. The air filter cartridge is a removable and replaceable cartridge for use in the air cleaner. The cartridge includes, among other things, an end cap having a preferred outwardly directed radial seal and a groove. The air cleaner includes a housing with a stabilizing ring projecting into an interior, positioned to project at least partially into the groove of the filter cartridge, when the filter cartridge is mounted for use. Methods of assembly and installation are described. | 10-08-2009 |
20090255227 | Seal arrangement for filter element; filter element assembly; and, methods - A filter element arrangement is provided which includes a media pack comprising Z-filter media, a preform and an overmold sealing a portion of the interface between the preform and the media pack, and also forming an air cleaner seal for the filter element. The overmold preferably comprises molded, foamed, polyurethane. A variety of media pack shapes can be used. | 10-15-2009 |
20090266041 | Seal arrangement for filter element; Filter element assembly; and, methods - A filter cartridge arrangement is provided which includes a media pack comprising Z-filter media, a preform and a housing seal member. Improvements in the preform and seal member are described which include: a single beveled surface of the seal member to facilitate installation; and, an inside region of the seal member having a tip adjacent in inwardly directed lip of the preform, to control flash during molding. A variety of media pack configurations and features are described. | 10-29-2009 |
20090301045 | Seal Arrangement for Filter Element; Filter Element Assembly; and, Methods - A filter cartridge arrangement is provided which includes a media pack comprising Z-filter media, a preform and a housing seal member. Improvements in the preform and seal member are described which include: a single beveled surface of the seal member to facilitate installation; and, an inside region of the seal member having a tip adjacent in inwardly directed lip of the preform, to control flash during molding. A variety of media pack configurations and features are described. | 12-10-2009 |
20090320423 | Fluted Filter with Integrated Frame - A filter element includes a filter media pack, a frame, an annular seal, and a sealing means independent of the annular seal. The frame is integrally secured to the fluted filter media pack with material of the frame integrally bonding the frame thereto. | 12-31-2009 |
20100000189 | GAS-SOLID SEPARATOR - A gas-solid separator has: an inner cylinder | 01-07-2010 |
20100024370 | COMPOSITE FILTER MEDIA - A composite filter media structure includes, in an exemplary embodiment, a base substrate that includes a nonwoven synthetic fabric formed from a plurality of fibers with a spunbond process. The base substrate has a filtration efficiency of about 35% to less than 50%, measured in accordance with EN 1822 (1998) test procedure A nanofiber layer is deposited on one side of the base substrate. The composite filter media structure has a minimum filtration efficiency of about 70%, measured in accordance with EN 1822 (1998) test procedure. | 02-04-2010 |
20100024371 | COMPACT AIR FILTER ELEMENT - In a compact air filter element ( | 02-04-2010 |
20100126130 | FILTER ELEMENT WITH HIGH TEMPERATURE POLYMER RETAINING STRAPS AND METHOD OF MANUFACTURE - A filter element for removing particles from a particulate laden fluid stream includes, in an exemplary embodiment, a filtration media formed into a tubular configuration and that a plurality of circumferentially spaced apart pleats. The filter element also includes at least one melt-extruded retention strap extending circumferentially around the filtration media to limit radial movement of the filtration media at operating temperatures up to about 500° F. Each melt-extruded retention strap is formed from a melt extrudable amorphous thermoplastic polyimide. | 05-27-2010 |
20100126131 | Air cleaner; replaceable filter cartridges; and, methods - The disclosure concern air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. An optional mechanical interlock, operated with a non-threaded, movement of the cartridge, is provided between the primary filter cartridge and the housing. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided. | 05-27-2010 |
20100242425 | Fluted Filter With Axial Seal - A filter element includes a filter media pack and an axial seal member configured to axially seal against a filter housing. The axial seal member may be supported by and attached to the filter media pack by a media pack seal member. Alternatively, the axial seal member may be carried by a frame, which is attached to the filter media pack by the media pack seal member. | 09-30-2010 |
20100326027 | FILTER AND METHOD OF MAKING - A filter formed by the following steps is provided. The steps including: forming a plurality of sheets of filter media, each sheet of filter media having an inlet end and an outlet end, wherein each of the plurality of sheets of filter media are formed by the steps of: thermoforming a first layer of filtration media to have a plurality of channels, the first layer having an upper surface and a lower surface; sonically welding a portion of a second layer of filtration media to the first layer of filtration media after the first layer is thermoformed to form the sheet of filtration media, wherein at least one edge of the first layer is not sonically welded to at least one edge of the second layer, wherein the sheet of filtration media has a plurality of fluid channels each having an inlet opening at the at least one edge of the first layer and the second layer and a sealed end at another end of the sheet; and securing the plurality of sheets together by applying a strip of adhesive between each upper surface of each first layer facing the second layer of another sheet of filter media stacked upon the upper surface of the first layer of the filtration media. | 12-30-2010 |
20110041469 | Ceramic Radial Wall Flow Particulate Filter - The present disclosure relates to radial wall flow particulate filters comprised of ceramic material. The filters include a filter body that has a plurality of adjacent troughs circumferentially arranged around a longitudinal axis. | 02-24-2011 |
20110061353 | FILTER ELEMENT CONSTRUCTIONS - A filter element comprises a pleated filter ( | 03-17-2011 |
20110094197 | Filter System - The invention relates to a filter system ( | 04-28-2011 |
20110173938 | MULTI-LAYERED FILTER WEB - A multi-layered filter web having at least one at least one filter layer bonded to at least one additional filter layer. The filter layers are bonded together by at least one of ultrasonically and matted. The bonding is in at least one of at least one knurled edge region and in at least one matting region. | 07-21-2011 |
20110197556 | FILTER ELEMENT - A filter element, and filter apparatus, include a filter pack, a seal member, and a seal support frame operatively connecting the seal member to the filter pack. The seal support frame includes an annular extension, which is preferably canted at an oblique angle to a longitudinal axis, for supporting the seal member. The seal support frame also preferably includes a first end thereof including the annular extension, and a second end thereof spaced from the first end thereof along the longitudinal axis, with the first and second ends of the seal support frame joined by a hub of the outer peripheral sidewall of the seal support frame to define a cavity within the seal support frame for receiving the filter pack. The first and second ends of the seal support frame, and the filter pack are preferably joined and sealed to one another by a single bead of adhesive. | 08-18-2011 |
20110203241 | SEAL, ARRANGEMENT FOR FILTER ELEMENT; FILTER ELEMENT ASSEMBLY; AND, METHODS - A filter element arrangement is provided which includes a media pack comprising Z-filter media, a preform and an overmold sealing a portion of the interface between the preform and the media pack, and also forming an air cleaner seal for the filter element. The overmold preferably comprises molded, foamed, polyurethane. A variety of media pack shapes can be used. | 08-25-2011 |
20110232244 | Z-FILTER MEDIA PACK ARRANGEMENT; AND, METHODS - Z-filter media pack arrangements and methods for providing them are described. The preferred arrangements have a cured-in-place jacket around an outside of a coiled z-filter media combination. The preferred cured-in-place jacket is a mold-in-place overmold which includes, integral therein, a housing seal arrangement. Preferably a cured-in-place center core is used, most preferably one that has opposite concave ends with seal arrangements configured to seal a lead end portion of the coiled z-filter media combination. | 09-29-2011 |
20110247310 | EXHAUST GAS TREATMENT DEVICE FOR AN EXHAUST GAS SYSTEM AND METHOD OF MANUFACTURING AN EXHAUST GAS TREATMENT DEVICE - An exhaust gas treatment device for an exhaust system has a housing with an inlet and an outlet. At least one hollow body, which is configured to be gas permeable is arranged in the flow path from the inlet to the outlet. The hollow body is formed of at least one basic element made from a porous substrate. Each basic element includes at least two connecting regions, and two connecting regions each of one or different basic elements overlaps in the region of a connection to form the hollow body. The connecting regions to be connected are pressed with each other to form the hollow body. | 10-13-2011 |
20110283669 | AIR CLEANER; REPLACEABLE FILTER CARTRIDGES; AND, METHODS - The disclosure concern air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. An optional mechanical interlock, operated with a non-threaded, movement of the cartridge, is provided between the primary filter cartridge and the housing. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided. | 11-24-2011 |
20110302891 | FILTER ARRANGEMENT; SEALING SYSTEM; AND METHODS - A filter pack includes a filter construction and a sealing system for sealing the construction within a duct or housing. The filter construction has first and second opposite flow faces and is configured for a straight-through flow. The sealing system includes a frame construction and a compressible seal member. The compressible seal member is molded around a portion of the frame construction. The compressible seal member is sufficiently compressible to form a radial seal between and against the frame construction and a surface of a housing when the filter pack is inserted within the housing. | 12-15-2011 |
20110308212 | Filter Element and Filter System - The invention relates to a filter element, comprising a filter medium ( | 12-22-2011 |
20120090286 | FILTER ELEMENT - A cylindrical pleated filter part is made from spunbond whose section is approximately star-shaped. Cylindrical soft joining materials are installed at an upper end portion and at a lower end portion of the pleated filter part respectively, and soft connecting materials intervene between the cylindrical soft joining materials and the cylindrical pleated filter part, respectively, in order to be able to remove the cylindrical pleated filter part of the filter element and dispose of it. Therefore, it becomes possible to install the filter element even if standard structures or sizes of various installation portions of bag filters or the like are different in some measure. A retainer part can be separated from the pleated filter part and reused, so disposal volume can be largely decreased and disposal costs can be decreased. | 04-19-2012 |
20120144791 | CAPTIVE TOOLEES FASTENER FOR SECURING AN ENGINE INTAKE AIR FILTER AND CLAMP ASSEMBLY FOR AIR FILTER HOUSING - The invention has a captive tooless fastener for securing the engine intake air filter. The tooless fastener comprises shaft and associated bodies. The body has two arms oriented about 180 degrees apart. The shaft is threaded through a sealing washer and an aperture in a closed end cap of the air filter. The shaft is expanded so it cannot be removed from the end cap. The body's threaded inner diameter mates with a threaded portion of a central shaft in an air filter housing. The body's arms are rotated to screw the fastener and the shaft of the housing together. When tightened, the sealing washer closes the aperture. To remove the air filter, the fastener is unscrewed from the shaft of the housing and in the shaft floats in the aperture. A person in the field can remove the air filter by inserting fingers under the arms and pulling. | 06-14-2012 |
20120180444 | FILTERS AND METHODS FOR IMPARTING STRUCTURAL SUPPORT TO PLEATED FILTER MEDIA - Certain embodiments of the invention may include filters and methods for imparting structural support to a pleated filter material. According to an example embodiment, the method includes forming a filter structure from one or more sections of pleated filter media, wherein the filter structure comprises one or more filter pleats. The method also includes extruding a banding material to form one or more radial support regions in at least circumferential contact with at least one of an inner or an outer surface of the filter structure, and maintaining spacing between the one or more filter pleats of the filter structure with the one or more radial support regions. | 07-19-2012 |
20120297743 | SEAL, ARRANGEMENT FOR FILTER ELEMENT; FILTER ELEMENT ASSEMBLY; AND, METHODS - A filter element arrangement is provided which includes a media pack comprising Z-filter media, a preform and an overmold sealing a portion of the interface between the preform and the media pack, and also forming an air cleaner seal for the filter element. The overmold preferably comprises molded, foamed, polyurethane. A variety of media pack shapes can be used. | 11-29-2012 |
20120304609 | Z-filter media pack arrangement; and, methods - Z-filter media pack arrangements and methods for providing them are described. The preferred arrangements have a cured-in-place jacket around an outside of a coiled z-filter media combination. The preferred cured-in-place jacket is a mold-in-place overmold which includes, integral therein, a housing seal arrangement. Preferably a cured-in-place center core is used, most preferably one that has opposite concave ends with seal arrangements configured to seal a lead end portion of the coiled z-filter media combination. | 12-06-2012 |
20120324850 | Air Filter Element with Covered Terminal Disks - In order to provide a seal function and a protection of the sealing surfaces for an air filter element ( | 12-27-2012 |
20130025246 | Seal Devices for Filters - A filter element having an end cap is provided with a seal that can better accommodate non-round holes. The seal may be a chevron type seal and/or other similar seal having a sealing flange for forming a radial seal. Methods of replacing a filter having an O-ring gasket to improve upon sealing are provided as well as filtration systems employing the filter element. | 01-31-2013 |
20130180223 | Filter Element with Percussion Band - A filter element has a reinforcement band or ring along at least a portion of the perimeter thereof and performing a support function thereat preventing or minimizing damage upon attempted percussive cleaning of the filter element by service personnel striking the perimeter against an impact surface. Alternatively, a failure band or ring is provided along at least a portion of the perimeter and performs a designated failure function to a failure condition thereat upon attempted percussive cleaning, with the failure condition providing at least one of: a) an indication to service personnel that the filter element has been damaged and should not be re-installed; and b) a deformed condition preventing re-installation. | 07-18-2013 |
20130305672 | Helical/Spiral Seal Air Filter - A fluid filter has an annular filter element and a particular annular seal, which has axial first and second surfaces, an outer circumferential surface, and an inner circumferential surface. The seal includes a sealing protrusion, defined by the axial first surface of the annular seal, with a section forming an axially oriented seal surface, as well as a filter element receptacle defined by the axial second surface. The receptacle receives an axial end of the annular filter element therein. To assist with installation, a feature defining a helix is included as part of the inner circumferential surface of the annular seal, and forms part of a radially oriented seal, surface. | 11-21-2013 |
20140033667 | SEAL ARRANGEMENT FOR FILTER ELEMENT; FILTER ELEMENT ASSEMBLY; AND, METHODS - A filter cartridge arrangement is provided which includes a media pack comprising Z-filter media, a preform and a housing seal member. Improvements in the preform and seal member are described which include: a single beveled surface of the seal member to facilitate installation; and, an inside region of the seal member having a tip adjacent in inwardly directed lip of the preform, to control flash during molding. A variety of media pack configurations and features are described. | 02-06-2014 |
20140123610 | Z-FILTER MEDIA PACK ARRANGEMENT; AND, METHODS - Z-filter media pack arrangements and methods for providing them are described. The preferred arrangements have a cured-in-place jacket around an outside of a coiled z-filter media combination. The preferred cured-in-place jacket is a mold-in-place overmold which includes, integral therein, a housing seal arrangement. Preferably a cured-in-place center core is used, most preferably one that has opposite concave ends with seal arrangements configured to seal a lead end portion of the coiled z-filter media combination. | 05-08-2014 |
20140130471 | FILTER ARRANGEMENT; SEALING SYSTEM; AND METHODS - A filter pack includes a filter construction and a sealing system for sealing the construction within a duct or housing. The filter construction has first and second opposite flow faces and is configured for a straight-through flow. The sealing system includes a frame construction and a compressible seal member. The compressible seal member is molded around a portion of the frame construction. The compressible seal member is sufficiently compressible to form a radial seal between and against the frame construction and a surface of a housing when the filter pack is inserted within the housing. | 05-15-2014 |
20140196422 | WAVY COMPOSITE CORE AND MANUFACTURING METHOD THEREOF - A wavy composite core is provided. The wavy composite core includes wavy filtering layers and flat filtering layers alternately stacked and rolled to form a barrel shape for filtering suspended pollutants. Each wavy filtering layer has a plurality of peak portions extending axially, a plurality of axial sealing adhesive layers formed on the peak portions by coating sealing adhesive on the peak portions so as to bond the wavy filtering layer to the flat filtering layers adjacent to the wavy filtering layer, and two end sealing adhesive layers formed on opposite sides by coating sealing adhesive on the wavy filtering layer to bond the wavy filtering layer to the adjacent flat filtering layers. | 07-17-2014 |
20140260141 | Filter Element and Method for Production Thereof - A filter element for filtering air includes a filter body ( | 09-18-2014 |
20140260142 | OVATE TUBULAR FILTER CARTRIDGES AND FILTER SYSTEMS USING THE SAME - Filter cartridges including tubular filter media having ovate cross-sections and filter systems using the ovate tubular filter cartridges are described herein. The inner perimeters of the ovate cross-sections of one or more of the filter cartridges may be asymmetric, i.e., the inner perimeters of the cross-sections of the tubular filter media in the filter cartridges may have no lines about which they are symmetric. The inner perimeters of the ovate cross-sections of the tubular filter media in one or more of the filter cartridges may have only one line of symmetry | 09-18-2014 |
20140298763 | Intake Air Filter for Internal Combustion Engines - The intake air filter according to the invention is for cleaning intake air for internal combustion engines, in particular in vehicles. To this end, the intake air filter comprises an openable housing ( | 10-09-2014 |
20140325947 | FILTER ELEMENTS; AIR CLEANER; ASSEMBLY; AND, METHODS - A filter element, a safety element and fluid cleaner assembly. The fluid cleaner assembly generally includes a housing having a cover and a primary fluid cleaner section. The element generally comprises z-filter media, arranged in a straight through configuration, and an axial seal gasket positioned to extend continuously around at outer perimeter of the straight through flow construction. The fluid cleaner assembly can have a precleaner positioned therein. Methods of assembly and use are provided. | 11-06-2014 |
20140338294 | FILTER ELEMENT HAVING SEALING MEMBERS AND METHODS - A filter arrangement includes a media construction comprising a corrugated sheet secured to a flat sheet rolled into a coiled construction. A frame and a first seal member are provided. The frame secures the first seal member to the coiled construction. The first seal member is preferably oriented to form a radial seal with a housing. A second seal member is secured to the outer annular surface of the coiled construction. The second seal member includes a gasket extension having first and second opposite ends; an attachment portion; and a protrusion extending from the attachment portion. The second seal member is preferably oriented to form an axial seal with a housing. Air cleaners preferably utilizing filter arrangements as described herein operably installed within housings. Methods of installing, filtering, assembling, and servicing preferably include arrangements as described herein. | 11-20-2014 |
20150013290 | FILTER AND FILTER MEDIA HAVING REDUCED RESTRICTION - A pleated filter media comprises a plurality of pleats comprised of pleat segments extending in an axial direction between first and second axial ends and extending in a transverse direction that is perpendicular to the axial direction between first and second sets of pleat tips at least partially defined by first and second sets of bend lines. Axial flow channels are defined between the pleat segments in the lateral direction and the plurality of pleats has a width in the transverse direction that varies along the axial direction. | 01-15-2015 |
20150101297 | Air cleaner arrangements with end support for cartridge; components; and, methods - Air cleaner assemblies are described and shown. A serviceable filter cartridge is positioned within a housing. A unique axial projection arrangement is positioned on the cartridge, and it can be used as part of a projection/receiver arrangement. | 04-16-2015 |
20150113930 | FILTER ASSEMBLIES AND METHODS FOR PRODUCING FILTER ASSEMBLIES - A filter assembly having at least two filter caps produced from a planar composite sheet of heat liquefied adhesive and metal layer (typically sheet metal). The filter caps are adhered to a porous, typically pleated, filter media positioned, which is generally an air filter, within channels of each filter cap wherein the adhesive, typically a plastisol, adheres the filter caps to the filter media and can impregnate the filter media. | 04-30-2015 |
20150113931 | Filter Element and Filter Assembly - A filter element has a filter medium with a first end and a second end in an axial direction of the filter medium. A first end disk is connected to the first end and has an outflow opening. A second end disk is connected to the second end and has an engaging section, wherein the engaging section engages a counter engaging section of a filter housing of the filter element such that the filter element is received, secured against rotation, in the filter housing. The second end disk is provided with an aperture. | 04-30-2015 |
20150143785 | FILTER - The present invention provides a filter, which includes an enclosure ( | 05-28-2015 |
20150308311 | SUBSTRATE WITH SINUOUS WEB AND PARTICULATE FILTER INCORPORATING THE SAME - Described herein is a substrate including a central longitudinal axis, a first support web, and a second support web. A sinuous web may be positioned between the first support web and the second support web. The sinuous web may include transverse web portions and bridging web portions, where the bridging web portions alternatively connect ends of adjacent transverse web portions. The sinuous web may be connected to the first support web by support legs extending between bridging web portions and a surface of the first support web. The sinuous web may be connected to the second support web by support legs extending between bridging web portions and a surface of the second support web. A support leg length to distance between transverse web portions ratio may be from about 1.0 to about 4.0. | 10-29-2015 |
20150328575 | FILTER ARRANGEMENTS; COMPONENTS; ASSEMBLIES; AND, METHODS - Filter cartridge arrangements, features, and methods of construction are described. Also described are filter assemblies having the filter cartridge installed therein as a removable service component. The filter cartridge generally comprises a media pack having an end with an end cap positioned thereon. The end cap includes an end cap section, a seal support and a seal member secured thereto. Methods of assembly and use are described. | 11-19-2015 |
20150343364 | SEAL ARRANGEMENT FOR FILTER ELEMENT; FILTER ELEMENT ASSEMBLY; AND, METHODS - A filter cartridge arrangement is provided which includes a media pack comprising Z-filter media, a preform and a housing seal member. Improvements in the preform and seal member are described which include: a single beveled surface of the seal member to facilitate installation; and, an inside region of the seal member having a tip adjacent in inwardly directed lip of the preform, to control flash during molding. A variety of media pack configurations and features are described. | 12-03-2015 |
20150367271 | FILTER MEDIA CARTRIDGE - A filter media cartridge and method of making filter media wherein the filter media has a plurality of folds formed into a tube with an internal support core supporting the media material. A plurality of retention bands mounted about the filter media to retain the filter media in position and prevent media from expanding outwardly sufficiently to damage the filter media. At least a one glue bead located circumferentially about the filter media. The glue bead adhering adjacent folds of the media together to provide support and regular spacing of the folds so that the folds are prevented from collapsing with respect to one another. | 12-24-2015 |
20150367272 | Pleated Filter Media - A filter element includes a center tube and a blank of a filter media. The center tube has a first end and a second end. The blank is folded into a plurality of triangles. Each triangle is disposed adjacent to another of the plurality of triangles to form a series of triangular pleats to form a pleated filter media. The pleated filter media is disposed about the center tube. A cross sectional area of the pleated filter media proximal to each of the first end and the second end is greater than a cross sectional area of the pleated filter media at a point between the first end and the second end. | 12-24-2015 |
20160121250 | Separation Element and Pressure Accumulator System - A separation element for a pressure accumulator system for separating liquid from a media stream is provided with a hollow cylindrical filter body. The filter body has a support body and a coalescing stage filter medium radially outwardly of the support body. The filter body is flowed through radially by the media stream and separates a dirty side from a clean side of the separation element. First and second end disks are disposed on opposite sides of the filter body. A receiving recess is arranged centrally on the first end disk and is open toward the filter body interior. The receiving recess supports the separation element on a central tube of the pressure accumulator system. The second end disk has an outlet opening. Liquid that has been separated by the filter body from the media stream drains via the outlet opening of the second end disk from the separation element. | 05-05-2016 |