| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 055484000 | Spaced for parallel flow of gas | 42 |
| 20080282657 | FILTER AND METHOD OF MAKING - A filter, comprising: a plurality of individual elongated members arranged into a configuration, each of the plurality of elongated members having an internal cavity extending completely therethrough, the plurality of individual elongated members being formed from a filter media for filtering a fluid, the filter having a first end and a second end defined by the ends of the plurality of individual elongated members and a plurality of areas defined between each of the plurality of individual elongated members, wherein fluid flow is blocked at the first end by sealing the plurality of areas at the first end with a sealing material and fluid flow is blocked at the second end by sealing the internal cavity of each of the plurality of individual elongated members at the second end with a sealing material, wherein fluid flow through the filter must pass through the filter media. | 11-20-2008 |
| 20090100812 | Particulate filter - A particulate filter for separating particulates out of an exhaust gas flow of an internal combustion engine has a filter body with an inflow region and an outflow region. The filter body is formed by alternately arranged inflow ducts that are open toward the inflow region and are closed toward the outflow region, and outflow ducts that are open toward the outflow region and closed toward the inflow region. The filter body has a plurality of substantially planar filter plates arranged parallel to one another. Each of the inflow ducts and the outflow ducts is formed by adjacent filter plates, and is arranged in a housing. The inflow ducts are open at at least one of their lateral regions in such a way that the inflow region extends over at least two sides of the filter body. At least one sealing element is provided for sealing off the filter body in the outflow region relative to the housing. | 04-23-2009 |
| 20090113862 | Volume-Efficient Filter - A filter includes a housing with multiple flow passages and filter elements providing volume-efficient bottom-in, top-out flow or top-in, bottom-out flow. In another embodiment, parallel filtering flow paths are provided with multiple filter elements having respective overlapped sections axially aligned, with at least one filter element having a radial extension section non-axially aligned with another of the filter elements. | 05-07-2009 |
| 20090193774 | Modular gas-separating adsorbers - In a modular gas-separating adsorber assembly, a pair of cylindric vessels, filled-in by a given amount of an adsorbing material (either a mainly adsorbing or a mainly adsorbing material) are always operatively assembled with a top plate and a bottom plate, the top and bottom plates being mutually coupled by tie rods, engaged in the plate corners, the bottom plates and top plates forming plate chambers and being operatively connected with the chamber formed by adjoining cylindric vessel, the plates having projecting fittings to be assembled with the plate chambers included in adjoining vessels. | 08-06-2009 |
| 20090235623 | DEVICE FOR DEPOLLUTING EXHAUST GASES OF A THERMAL ENGINE - A device for depolluting a heat engine exhaust gases includes an outer casing ( | 09-24-2009 |
| 20100313533 | Filtering device, in particular an air filter for an internal combustion engine - A filter device comprises a filter element that is comprised of at least two radially nested filter bellows, wherein at least one filter bellows is to be flown through in the radial direction and a flow space for the fluid is formed between the filter bellows. Each filter bellows is embodied as a star-shaped filter with filter folds arranged in a star shape. On at least one end face of the filter element a sealing ring is arranged between a filter bellows and the filter housing. | 12-16-2010 |
| 20110179756 | REMOVABLE DUST COLLECTING DEVICE FOR AN AIR CONDUIT - A dust collecting device ( | 07-28-2011 |
| 20120055127 | 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. | 03-08-2012 |
| 20120079798 | Filter Structure for Removing Contaminants from Stream of Fluid - Various methods and apparatus are disclosed that relate to one or more aspects of a filter structure that may remove contaminants from a stream of fluid. In various aspects the filter structure includes a front portion having a first orientation and a rear portion having a second orientation unique from the first orientation. | 04-05-2012 |
| 20120102902 | Filter Apparatus With Porous Ceramic Plates - A filter apparatus comprises a filter stack including a plurality of porous ceramic plates that are axially spaced from one another to define plurality of axially spaced apart radial flow areas. In one example, the filter stack is mounted within a housing. In further examples, the plurality of porous ceramic plates alternate between a first set of porous ceramic plates that are nested with a second set of porous ceramic plates. In still further examples, at least one of the sides of the porous ceramic plates defines a plurality of radial flutes arranged in a radial array. | 05-03-2012 |
| 20120151890 | Method of Forming An Electrically Conductive Hollow Fibre Separation Module - A method of forming a fluid separation filter for use in a fluid separation device includes aligning a series of fluid separation or drying fibers ( | 06-21-2012 |
| 20120198803 | FILTER DEVICE - A filter device has a compact filter made of a filter material that is wound spirally. A star filter that is made of a filter material that has folds arranged in a star shape surrounds the compact filter. The filter device has a cylindrical shape. A fluid to be filtered passes the compact filter in an axial direction and the star filter in a radial direction. The filter device is exchangeable and is mounted in a filter housing such that the compact filter and the star filter have a common raw side and a common clean side that are separated from each other. | 08-09-2012 |
| 20130086878 | FILTER ASSEMBLY; COMPONENTS THEREFOR; AND, METHODS - Air filter assemblies and components therefor are described. The air filter assembly typically includes an air filter cartridge. Air filter cartridges including a media pack comprising at least a first stack of single facer strips are described. In examples described, at least a portion of the first stack of single facer strips is arcuate. Air filter assemblies are characterized that are configured, for example, to advantageously use such air filter cartridges. Example air filter assemblies are described that include pulse jet air cleaning systems. | 04-11-2013 |
| 20130167493 | V-BANK FILTER ASSEMBLY WITH REPLACEABLE FILTERS - A V-bank filter assembly and a replaceable air filter are provided. In one embodiment, the V-bank filter assembly includes a top panel and bottom panel coupled in a spaced apart relation, each of the top and bottom panels having a first edge and a second edge, a plurality of panel end seal struts extending between the top and bottom panels, each panel end seal struts having a first mating sealing feature facing the first edge of the top and bottom panels, the first mating sealing feature configured to sealingly engage a replaceable filter panel, wherein the plurality of panel end seal struts are located adjacent the second edge, and a plurality of filter panel receiving tracks defined between the top and bottom panels configured to align filter panels disposed in the tracks with a respective first mating sealing feature. | 07-04-2013 |
| 20130199140 | SYSTEM AND METHOD FOR COUPLING AND SEALING FILTERS - In some embodiments, an air filter coupling device may include an elongated member, an elongated first cap, and an elongated second cap. The elongated member may include a substantially planar first side, a substantially planar second side positioned substantially opposite the first side, and a fourth side positioned substantially opposite the third side. In some embodiments, the elongated first cap may be coupled to the third side in a substantially orthogonal orientation relative to the elongated member. In some embodiments, the elongated second cap may be coupled to the fourth side in a substantially orthogonal orientation relative to the elongated member. A second distance between the first cap and the second cap adjacent each first end portion of the first and second caps inhibits removal of the first air filter. The air filter coupling device inhibits conveyance of materials between the first air filter and the second air filter. | 08-08-2013 |
| 20130247525 | HONEYCOMB STRUCTURE AND MANUFACTURING METHOD OF HONEYCOMB STRUCTURE - The honeycomb structure includes a honeycomb structure part having porous partition walls, and porous plugged portions, and when there is drawn a straight line as an inner boundary line which is positioned at a distance of 30% of a distance between an outer end surface and an inner end surface, from the inner end surface, and there is drawn a straight line as an outer boundary line which is positioned at a distance of 70% of the distance between the outer end surface and the inner end surface, from the inner end surface, each of the plugged portions has an outer region, and an inner region which is the region between the inner end surface and the inner boundary line and whose porosity is larger than a porosity of the outer region. | 09-26-2013 |
| 20130255207 | HONEYCOMB STRUCTURE AND MANUFACTURING METHOD OF THE SAME - There is disclosed a honeycomb structure which has an excellent collecting performance of a particulate matter and in which a pressure loss during flowing of a fluid through the honeycomb structure is low. The honeycomb structure includes a honeycomb base material having porous partition walls with which a plurality of cells are formed to become through channels of a fluid, a value of a ratio of an average open frontal area diameter of pores which are open in the surfaces of the partition walls to an average pore diameter of the pores formed in the partition walls is from 0.05 to 0.45, the partition walls have a single layer structure, and preferably, an open frontal area diameter of each of the pores which are open in the surfaces of the partition walls is from 0.5 to 10 μm. | 10-03-2013 |
| 20140000228 | AIR FILTER ELEMENT | 01-02-2014 |
| 20140047806 | FILTER MODULE AND FILTER SYSTEM COMPRISING SAME - A filter module comprises block-shaped units, each unit comprising filter elements and clean gas ducts, and a clean gas collecting and discharge arrangement at a discharge side of the units. The elements have open first ends and closed second ends, the open ends located on a feed side of the module. The ducts are open at one end forming a clean gas outlet and closed at their opposite end, the closed ends at the feed side, and their open ends adjacent to the discharge side opposite the feed side. The open ends of the elements and closed ends of the ducts form a feed side surface of a unit, and the open ends of the ducts and closed ends of the elements form a discharge side surface. The arrangement extends across the gas outlets of the ducts, the arrangement comprising clean gas channels communicating with gas outlets. | 02-20-2014 |
| 20140090342 | FILTER INLET - A filter including a filter housing with a horizontal partition wall dividing the filter housing into a dean-gas chamber and a dust chamber. The filter has an inlet part in open communication with the dust chamber. The inlet part is configured for supplying a dust-containing flow of gas to the dust chamber. The gas flow is conveyed through the filter elements and upwards into the dean-gas chamber where the filtered gas is discharged through a dean-gas outlet. In the filter housing, a cylindrical inner portion is arranged that encircles the filter elements. A round-going inlet part is opposed to the cylindrical inner part. The round-going inlet part has a larger diameter than at least a portion of the filter housing that adjoins the inlet part. Gas flow is divided into an upwardly and downwardly oriented gas flow controlled by arrangement of the cylindrical inner part. | 04-03-2014 |
| 20140150386 | 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. | 06-05-2014 |
| 20140165516 | FILTER ELEMENT, FILTER SYSTEM COMPRISNG SUCH ELEMENT, METHODS OF MAKING AND USING SUCH ELEMENT AND SYSTEM - A filter system that includes a filter element having an opening and an annular shaped sealing lip surrounding the opening. The system includes an end cap engaging and covering the opening, having an annular shaped sealing edge engaging the sealing lip, and having a parallel sided cylindrical guide portion positioned within the opening, and having an elongated cavity portion having a non-threaded first portion and a threaded second portion. | 06-19-2014 |
| 20140182251 | FILTRATION MEDIA PACK, FILTER ELEMENT, AND METHODS - A filtration media pack is provided having a plurality of layers of single facer media. The layer of single facer media includes a fluted sheet, a facing sheet, and a plurality of flutes extending between the fluted sheet and the facing sheet and having a flute length extending from a first face to a second face of the filtration media pack. A first portion of the plurality of flutes are closed to unfiltered fluid flowing into the first portion of the plurality of flutes, and a second portion of the plurality of flutes are closed to unfiltered fluid flowing out of the second portion of the plurality of flutes so that fluid passing into one of the first face and the second face of the media pack and out the other face of the media pack passes through media to provide filtration of the fluid. | 07-03-2014 |
| 20140250845 | FILTER ASSEMBLY - A filter assembly is provided which is particularly suitable for use in filtering intake air for gas turbines. The filter assembly ( | 09-11-2014 |
| 20140311108 | AIR FILTER ARRANGEMENT - An air cleaner arrangement is shown. The air cleaner arrangement includes a serviceable filter cartridge comprising strips of media arranged in a stacked configuration. The strips of media each comprise a corrugated sheet secured to a facing sheet. A preferred filter cartridge positioned within the air cleaner arrangement, is depicted. | 10-23-2014 |
| 20150033687 | Filter Structure for Removing Contaminants from Stream of Fluid - Various methods and apparatus are disclosed that relate to one or more aspects of a filter structure that may remove contaminants from a stream of fluid. In various aspects the filter structure includes a front portion having a first orientation and a rear portion having a second orientation unique from the first orientation. | 02-05-2015 |
| 20150059301 | Filter system with filter element - A filter system is provided with a housing having a housing wall and a cover, the housing having a longitudinal axis. An inlet is arranged on the housing and feeds a fluid to be filtered into the housing. An outlet is arranged on the housing and discharges the filtered fluid. Filter elements each having at least one filter medium are arranged in the housing. At least one of the filter elements extends along the longitudinal axis. The filter medium has pleats extending along the longitudinal axis with outer and inner pleat edges. The outer pleat edges extend on the first side of the filter medium and the inner pleat edges on the second side of the filter medium and are opposite the outer pleat edges. The filter medium has a variable flow resistance along the longitudinal axis. | 03-05-2015 |
| 20150059302 | Filter System Having a Support Tube - A filter system has a housing with a housing wall and at least one cover. An inlet port is arranged on the housing and supplies a fluid to be filtered to the housing. An outlet port is arranged on the housing and discharges the fluid that has been filtered from the housing. A support tube is arranged in an interior of the housing and accommodates a filter element. The support tube extends along a housing axis of the housing and has a receiving side, wherein the support tube is connected to the housing by a first detent connection provided on the receiving side. | 03-05-2015 |
| 20150107201 | AIR FILTER CARTRIDGE FOR I.C. MOTORS, METHOD FOR ITS MANUFACTURE AND AIR FILTER INCORPORATING SAID CARTRIDGE - Air filter cartridge for I.C. motors, including a body in which there are defined, in the flow direction of the air to be filtered, an upstream face and a downstream face of the cartridge, wherein the body includes at least one pair of panels of filtering material provided in a substantially V-shaped arrangement, so that at least one channel for the passage of air is define between the panels of the at least one pair of panels, wherein the filtering material of at least one of the panels includes a corrugated sheet of filtering material, wherein, on opposite surfaces thereof, a succession of corrugations and grooves are defined. The invention further concerns the method of manufacturing the cartridge as well as a filter equipped with the cartridge. | 04-23-2015 |
| 20150290573 | BACKING NET STRUCTURE - A backing net for a filter media is disclosed. The backing net includes a plurality of longitudinal beams and at least one cross beam. The height of at least one of the longitudinal beams varies along the length of the longitudinal beam such that said height is reduced towards the first end thereof. A filter media and a V-type filter including such backing net are also disclosed. | 10-15-2015 |
| 20150298038 | Filter Systems with Dirty Air Chamber Spacer Elements and Methods of Using the Same - Filter systems and methods described herein include one or more spacer elements positioned in the dirty air chamber along with the filter elements attached to the spacer elements. The dirty air inlet delivers a dirty air stream into the dirty air chamber along a dirty air flow axis. | 10-22-2015 |
| 20160010601 | AIR FILTRATION ELEMENT | 01-14-2016 |
| 20160016460 | FILTER SYSTEM - An air filter arrangement for use in a truck pneumatic product transfer system using a generally rectangular housing and two air filter cartridges to alter the shape thereof (primarily reduce the width thereof) allowing the unit to be mounted centrally behind a truck cab or in other locations. The design and shape allows mounting on the truck in preferred areas that are less utilized for accessory equipment and can increase truck aerodynamics. Additionally the filter arrangement can reduce overall truck weight compared to traditional units. | 01-21-2016 |
| 20160030869 | AIR FILTER DEVICE AND AIR FITLER ELEMENT HAVING AN INTEGRATED BYPASS - A filter element has a filter media hollow body with a hollow interior circumferentially enclosing an outflow passage. A second filter as a bypass filter element is arranged at or integrated into the end cap the filter element. The bypass filter element is configured as an ambient airflow restriction device providing a significantly higher pressure drop relative to the in the filter media of the filter element, the significantly higher pressure drop is operable to limit or prevent airflow through the auxiliary inflow path. When the primary inflow path is obstructed, the ambient airflow restriction device operates to provide auxiliary airflow into the outflow passage, bypassing filtering of the filter media hollow body of the filter element. | 02-04-2016 |
| 20160074794 | Filter Element for a Filter Device for Gas Filtration - A filter element for a filter device for gas filtration has at least two individual filters which are disposed adjacent to each other and through which the gas to be purified can flow orthogonally to the filter plane. On at least two sides, the individual filters delimit a gas collection chamber that is open on the edge side and that is fluidically connected to the clean sides of the individual filters and used to accommodate the purified gas. | 03-17-2016 |
| 20160074795 | FILTER ELEMENTS AND A FILTER DEVICE HAVING AT LEAST ONE FILTER ELEMENT - The invention is directed to filter elements ( | 03-17-2016 |
| 20160082379 | FILTER ELEMENT - A filter element having a longitudinal center axis for a fresh air system of an internal combustion engine may include a first plate filter body composed of a pleated filter material and a separate second plate filter body composed of a pleated filter material. The filter element may include first wall body and a second wall body, and a first end body and a second end body. The first wall body, the second wall body, the first end body and the second end body may be connected to the first plate body and the second plate filter body to define an inner space. At least one of the first plate filter body and the second plate filter body may include a curvature projecting to the interior space in a profile extending transversely to a longitudinal direction with respect to the longitudinal center axis. | 03-24-2016 |
| 20160101379 | Filter Frame Adapter - A filter apparatus is provided. The filter apparatus includes a filter element. The filter element includes filter media supported in a frame construction. The frame construction having opposed side panels and a rectangular border flange along a first end. The rectangular border flange projects outward from and extending around the opposed side panels. The first end is an inlet end or an outlet end of the filter element. The filter apparatus includes a filter frame adapter formed separately from the frame construction and secured to the frame construction to adapt the filter element for a different mounting interface. The filter frame adapter includes a pair of complimentary adapter flanges each projecting outward relative to one of the opposed side panels. The adapter flanges are at a second end that is opposite a first end. The second end is at the inlet end or the outlet end. | 04-14-2016 |
| 20160184757 | Air Filter Arrangement; Assembly; and, Methods - An air cleaner arrangement is shown. The air cleaner arrangement includes a serviceable filter cartridge. A preferred filter cartridge positionable within an air cleaner arrangement, is depicted. | 06-30-2016 |
| 20170232375 | FILTER APPARATUS FOR COMPRESSED AIR | 08-17-2017 |
| 20170234278 | DUAL BELLOW FILTER ELEMENT WITH COMMUNICATION CHANNELS | 08-17-2017 |
| 20180021712 | FILTER SYSTEMS WITH DIRTY AIR CHAMBER SPACER ELEMENTS AND METHODS OF USING THE SAME | 01-25-2018 |
