A filter for a pipe

Pleated air filter pack and air filter using same

PARTICLE FILTER FOR RESPIRATORY MASKS AND METHOD FOR MAKING SAME

Air filter element

An air filter element 10 for an internal combustion engine, the air filter element 10 having a noise reduction feature comprising first and second contiguous air-permeable regions 12, 14 wherein the first region has a thickness and/or density different from that of the first air-permeable region. The first region is preferably optimised for noise reduction and the second region is optimised for air filtration. The air-permeable material may be polyethylene terephthalate (polyester or PET). Also shown is a method of manufacture for the air filter element and its use in an air intake system.

USE OF A FILTERELEMENTS

НОСИТЕЛЬ КАТАЛИЗАТОРА, СОДЕРЖАЩИЙ ГОФРИРОВАННЫЕ ЛИСТЫ И КАНАЛЫ, ДЛЯ ОБРАБОТКИ ВЫХЛОПНЫХ ГАЗОВ ДВИГАТЕЛЕЙ ВНУТРЕННЕГО СГОРАНИЯ

Настоящее изобретение относится к носителю катализатора, содержащему гофрированные листы и каналы, для обработки выхлопных газов двигателей внутреннего сгорания. Настоящее изобретение также относится к способам изготовления и использования указанного носителя катализатора, содержащего указанные открытые каналы. Носитель катализатора (1) содержит по меньшей мере один гофрированный лист (3), имеющий углубления (3d), и один плоский лист (2) из проволочной сетки, имеющий углубления (2d), соединенный с указанным гофрированным листом (3), и между указанным плоским листом (2) и указанным гофрированным листом (3) имеются, по меньшей мере, частично открытые каналы (РОС) для потока выхлопного газа (EG), и глубина углубления (2d) указанного плоского листа (2) из проволочной сетки на 0,05-0,5 мм меньше, чем высота гофра (3с) указанного гофрированного листа (3).

НОСИТЕЛЬ КАТАЛИЗАТОРА, СОДЕРЖАЩИЙ ГОФРИРОВАННЫЕ ЛИСТЫ И КАНАЛЫ, ДЛЯ ОБРАБОТКИ ВЫХЛОПНЫХ ГАЗОВ ДВИГАТЕЛЕЙ ВНУТРЕННЕГО СГОРАНИЯ

Настоящее изобретение относится к носителю катализатора, содержащему гофрированные листы и каналы, для обработки выхлопных газов двигателей внутреннего сгорания. Настоящее изобретение также относится к способам изготовления и использования указанного носителя катализатора, содержащего указанные открытые каналы. Носитель катализатора (1) содержит по меньшей мере один гофрированный лист (3), имеющий углубления (3d), и один плоский лист (2) из проволочной сетки, имеющий углубления (2d), соединенный с указанным гофрированным листом (3), и между указанным плоским листом (2) и указанным гофрированным листом (3) имеются, по меньшей мере, частично открытые каналы (РОС) для потока выхлопного газа (EG), и глубина углубления (2d) указанного плоского листа (2) из проволочной сетки на 0,05-0,5 мм меньше, чем высота гофра (3с) указанного гофрированного листа (3).

НОСИТЕЛЬ КАТАЛИЗАТОРА, СОДЕРЖАЩИЙ ГОФРИРОВАННЫЕ ЛИСТЫ И КАНАЛЫ, ДЛЯ ОБРАБОТКИ ВЫХЛОПНЫХ ГАЗОВ ДВИГАТЕЛЕЙ ВНУТРЕННЕГО СГОРАНИЯ

Настоящее изобретение относится к носителю катализатора, содержащему гофрированные листы и каналы, для обработки выхлопных газов двигателей внутреннего сгорания. Настоящее изобретение также относится к способам изготовления и использования указанного носителя катализатора, содержащего указанные открытые каналы. Носитель катализатора (1) содержит по меньшей мере один гофрированный лист (3), имеющий углубления (3d), и один плоский лист (2) из проволочной сетки, имеющий углубления (2d), соединенный с указанным гофрированным листом (3), и между указанным плоским листом (2) из проволочной сетки и указанным гофрированным листом (3) имеются по меньшей мере частично открытые каналы (РОС) для потока выхлопного газа (EG), и глубина углубления (2d) указанного плоского листа (2) из проволочной сетки на 0,05-2,0 мм меньше, чем высота гофра (3с) указанного гофрированного листа (3).

Woven fabric using three dimensional and flat weave in combination, related methods and filter element

A woven fabric (10) comprising at least one raveling-prone weave section (12) surrounded by raveling-resistant weave (14) such that said raveling-resistant weave defines the shape of said at least one raveling-prone weave section. A method for creating a woven fabric having a plurality of raveling-prone weave sections, each surrounded by a perimeter of raveling-resistant weave, comprises programming a desired weave pattern into a dobby to weave the raveling-prone weave sections of the fabric in a prescribed pattern and change the weave to that of the raveling-resistant weave when the desired length of those raveling-prone weave sections is reached; drawing warp ends corresponding to the raveling-prone weave sections on harness frames (62) separate from those harness frames associated with warp ends corresponding to the raveling-resistant weave such that the warp ends of the raveling-prone weave sections can be independently raised or lowered by their associated harness frames; weaving fabric ...

Filterelement und Anordnung

Ein Filterelement, umfassend eine erste flächige Lage (1) und eine zweite flächige Lage (2), wobei die Lagen (1, 2) miteinander unter Bildung zumindest eines Volumens und zumindest einer Öffnung (3) miteinander verbunden sind, wobei die Lagen (1, 2) durch Mittel (4) voneinander teilweise beabstandet sind, ist im Hinblick auf die Aufgabe, eine Filteranordnung anzugeben, welche bei einfacher Fertigung einen einwandfreien Betrieb gewährleistet, dadurch gekennzeichnet, dass die Mittel (4) auf zumindest einer Lage (1, 2) herausgebildet sind. Des Weiteren ist eine Anordnung beschrieben, welche ein Filterelement und einen Rahmen umfasst. Auch ist eine Lage (1, 2) beschrieben, welche tiefgezogene Bereiche aufweist.

SUBSTRATE WITH CORRUGATED SHEET (EN) AND CHANNEL (CHANNELS) TO THE TREATMENT OF EXHAUST GASES OF INTERNAL-COMBUSTION ENGINES

METHOD AND DEVICE FOR PRECIPITATING OVERSPRAY AND INSTALLATION PROVIDED THEREWITH

In a method for precipitating overspray from the overspray-laden booth exhaust air of coating installations, in particular from painting installations, the overspray is carried by an air stream to a precipitation device (42), where a majority at least of the solid material is precipitated from the overspray. The overspray-laden booth exhaust air is guided through filter modules (40), in which overspray is precipitated and which are designed as replaceable one-way components having a filter housing (46) and a filter unit (52), wherein each filter module (40) is replaced by an empty filter module (40) after reaching a loading with overspray. Moreover, the invention relates to a device for precipitating overspray by means of such one-way filter modules, and to an installation for coating objects (4), in particular vehicle bodies.

PLEATED AIR FILTER PACK AND AIR FILTER USING THE SAME

PROBLEM TO BE SOLVED: To provide a pleated air filter pack which neither increases its mass nor reduces an effective filter media area, and has a sufficiently low pressure loss and sufficient strength, and an air filter using the air filter pack. SOLUTION: The air filter is obtained by using the pleated air filter pack where dot-shaped embossed protrusions are formed on the front and back surfaces of a filter medium made of non-woven fabric, the filter medium is folded in zigzags along folding lines of pleats, the embossed protrusions facing to each other when folded are brought into contact with each other to keep a space between the filter media, and a support for connecting the folding lines is provided. COPYRIGHT: (C)2010,JPO&INPIT ...

Partikelfilter sowie Verfahren zu dessen Herstellung

Beschrieben wird ein Verfahren zur Herstellung eines Filters (1) für Atemschutzmasken, bei dem ein Flächenpapier bereitgestellt und zu einem Faltenpaket (6) gefaltet wird. Aus dem Faltenpaket (6) wird ferner wenigstens ein Filterelement (2) herausgeteilt, das in ein Gehäuse (3) eingelegt und wenigstens punktuell mit dem Gehäuse (3) verbunden wird. Die beschriebene technische Lösung zeichnet sich dadurch aus, dass das Filterelement (2) aus dem Faltenpaket herausgeteilt wird, das in das Gehäuse (3) eingelegt wird und auf eine umfangsseitig angeordnete Außenkante des Filterelements (2) ein Schaum und/oder ein Klebstoff zur wenigstens teilweisen Kantenabdichtung (5) aufgebracht wird, der zumindest abschnittsweise eine Verbindung zum Gehäuse (3) herstellt. Ferner zeichnet sich die beschriebene Lösung dadurch aus, dass Filterelemente (2) mit einer mehreckigen Außenkontur aus einem Filterpaket (6) herausgetrennt werden.

V-TYPE FILTER FRAME

The present invention relates to a V-type filter frame for receiving at least one filter media pack, said V-typefilter frame being arranged to be mounted to a filter holding structure, the V-type filter frame comprising first and second side plates and a molded plastic rectangular front plate coupled to the side plates, said side plates each comprising a front edge portion and an opposite rear edge portion and the front plate having a front surface and a back surface,the back surface of the front plate comprising a first coupling portion comprising a first groove configured to receive the front edge portion of the first side plate, a second coupling portion comprising a second groove configured to receive the front edge portion of the second side plate, a trough for receiving a front edge of a filter media pack, extending between the first and the second coupling portion of the front plate,characterized in that said trough is in fluid connection with each of said first groove and said second ...

Has at least one pulvinata or layered filtering filter element a web of material

PARTICLE FILTER FOR RESPIRATORY MASKS AND METHOD FOR MAKING SAME

L'invention concerne un procédé de fabrication d'un filtre (1) pour des masques de protection respiratoire, selon lequel on fournit un papier surfacique et on le plie en un paquet plié. On détache ensuite du paquet plié au moins un élément filtrant (2), qui est inséré dans un boîtier (3) et qui est relié au moins ponctuellement au boîtier (3). La solution technique décrite se caractérise par le fait qu'on détache du paquet plié l'élément filtrant (2), on insère l'élément filtrant (2) dans le boîtier (3) et on applique une mousse et/ou un produit adhésif sur un bord extérieur, disposé périphériquement, de l'élément filtrant (2) afin d'obtenir un joint d'étanchéité de bord (5) au moins partiel, qui réalise au moins sectoriellement une liaison avec le boîtier (3).

Method and apparatus for separating overspray and apparatus having the same

Apparatus and methods for large particle ash separation from flue gas using screens having semi-elliptical cylinder surfaces

Apparatus for separating ash particles from a flue gas. The apparatus includes a screen that has a plurality of semi-elliptical cylinder surfaces. The semi-elliptical cylinder surfaces having holes through which said flue gas flows and through which the ash particles will not pass. The screen has a single layer for performing the separation in a manner such that the ash particles fall away from the screen and collect outside of the screen. A method of reducing velocity of a flue gas passing through screening apparatus for separating flue gas from ash particles. The method includes replacing a first screen of the screening apparatus with a second screen that has a plurality of semi-elliptical cylinder surfaces.

Filter component

There is a need to reduce the amount of overlapping parts of a nonwoven fabric of a filter component to thereby lengthen the life of the filter component. This need is met by the filter component formed of a cylindrical nonwoven fabric having a center axis, and having a plurality of polygon-shaped cross-sections which are a same shape that are formed side-by-side at predetermined intervals along the center axis. Each side of each of the polygons is formed by a mountain fold part on a plane perpendicular to the center axis, and each vertex of one polygon is connected by a mountain fold part to each vertex of another polygon, respectively.

НОСИТЕЛЬ КАТАЛИЗАТОРА

... 1. Носитель катализатора, содержащий по меньшей мере один гофрированный лист и по меньшей мере один плоский лист из проволочной сетки, где между указанным листом из проволочной сетки и указанным гофрированным листом имеются по меньшей мере частично открытые каналы, для обработки выхлопных газов двигателей внутреннего сгорания, отличающийся тем, что указанный гофрированный лист (3) выполнен из проволочной сетки и имеет поперечно расположенные углубления (3d), а лист (2) из проволочной сетки по форме повторяет форму гофрированного листа и имеет углубления (2d), причем глубина углубления (2d) листа (2) из проволочной сетки на 0,05-2,0 мм меньше, чем высота гофра (3с) гофрированного листа (3), и средний размер отверстия проволочной сетки листов (2, 3) составляет от 0,01 до 0,5 мм и диаметр проволоки проволочной сетки составляет от 0,02 до 0,24 мм.2. Носитель катализатора по п. 1, отличающийся тем, что средний размер отверстия проволочной сетки листов (2, 3) составляет от 0,05 до 0,3 мм, средний ...

Air filter element with noise reduction

PLEATED AIR FILTER PACK AND AIR FILTER USING SAME

The invention provides a filter pack of which the mass is not increased, and moreover, the effective filter medium area is not reduced, and of which the pressure drop is sufficiently low, and the strength is sufficiently high, and an air filter using this. A pleated air filter pack is configured in such a way that dot embossed projections are provided on front and rear surfaces of a filter medium made of a non-woven fabric, the filter medium is folded in zigzag shape along creases of pleats, and the opposing embossed projections are brought into contact with each other when the filter medium is folded, thus maintaining the intervals between the filter media.

Particle filter and method for the production thereof

A method for producing a filter 1 for respiratory protection masks wherein (i) a paper sheet is provided and is pleated to form a pleat pack (6, Fig 1) before (ii) least one filter element 2 is separated out of the pleat pack and then (iii) placed into a housing 3. The filter element is connected to the housing at a circumferential edge of the element (7, Fig 3) by the application of a foam 10 and/or an adhesive to provide an, at least partial, seal 5. The foam and/or adhesive may provide a connection to the housing in sections and the filter element may have a polygonal outer contour with, for example, at least three corners. The filter element may further be connected to at least one spacer (e.g. a glue strip, 12, Fig 1) for stabilizing the pleated shape.

RESPIRATORY DROPLET SUCTION DEVICE AND AN APPARATUS AND SYSTEM INCLUDING THE SAME

A respiratory droplet suction device includes an air inlet end and an exhaust end. A plurality of filtering devices are arranged between the air inlet end and the exhaust end. The filtering device is provided with a bacteria filtering screen for adsorbing bacteria and an ultraviolet sterilization lamp for inactivating the bacteria. The filtering device includes a first side wall and a second side wall. The first side wall is connected to the air inlet end, and the second side wall is connected to the exhaust end. The air entering from the first side wall is filtered by the bacteria filtering screen and discharged through the second side wall. The ultraviolet sterilization lamp is arranged corresponding to the bacteria filtering screen. A respiratory droplet filtering apparatus includes the respiratory droplet suction device, and a respiratory droplet electric suction system includes the respiratory droplet filtering apparatus are further provided.

With turbocharger of an internal combustion engine exhaust gas purifying system

The filter used for pipeline

Filterelement, insbesondere zur Gasfiltration

Power transformer for humidifier

Particle filter as well as method for the manufacture thereof

A method for manufacturing a filter (1) for gas masks includes providing a flat paper and folding the paper into a pleated preform. The filter element (2) is separated from the pleated preform (6) and is inserted into a housing (3). The inserted filter element (2) is connected to the housing (3) at least at some points. This filter elements (2) may have a polygonal outer contour, upon separating the element from the pleated filter preform (6). A foam and/or an adhesive is applied to an outer edge of the filter element (2), arranged on the circumference of the filter element, for an at least partial sealing of an edge (5). This establishes a connection to the housing (3) in at least some sections.

Air filter unit for internal combustion engine has at least one part region of wall formed as sintered body filtering ambient air entering engine

An air filter unit is for the engine of a power tool such as a saw, with a wall (10) in contact with ambient air. At least one part region of the wall is formed as a sintered body, and filters the ambient air entering the engine. The sintered body comprises several layers (11, 12) of sintered material of different filtration properties.

IRON COMPRISING A RETENTION OF SCALE PARTICLES CARRIED BY STEAM

Pleated air filter pack and air filter using same

The invention provides a filter pack of which the mass is not increased, and moreover, the effective filter medium area is not reduced, and of which the pressure drop is sufficiently low, and the strength is sufficiently high, and an air filter using this. A pleated air filter pack is configured in such a way that dot embossed projections are provided on front and rear surfaces of a filter medium made of a non-woven fabric, the filter medium is folded in zigzag shape along creases of pleats, and the opposing embossed projections are brought into contact with each other when the filter medium is folded, thus maintaining the intervals between the filter media.

Method of removing tar mist and apparatus therefor

In filtering a tar mist-containing gas to remove the tar, a filter bag having an inner surface and an outer surface is coated with a tar absorbent powder by feeding the powder into the top of the bag for free-fall therethrough while maintaining a slightly reduced pressure outside the bag to deposit the powder on the inner surface of the bag and then feeding the tar mist-containing gas into the filter bag while maintaining a greatly reduced pressure outside the filter bag to collect a layer of tar on the coating, and thereafter stripping the powder containing the absorbed tar from the inner surface of the filter bag.

A filter for a pipe

The invention provides a filter 20 for a pipe 10, the filter comprising an attachment portion 23 for attaching to the pipe, and a filter surface 25 for presentation to and filtering of an oncoming flow 13 of the pipe, wherein the filter surface has at least one pointed apex 30 for protruding into the oncoming flow. The invention also provides a pipe 10 for transporting an oncoming flow, wherein the pipe is provided with a filter surface 25 across the cross-sectional area of the pipe and wherein the filter surface has at least one pointed apex 30 protruding along the longitudinal axis of the pipe. The invention also provides an aircraft with such a filter 20 or pipe 10 and a method of filtering an oncoming flow 13 of a pipe 10.

SUBSTRATE HAVING CORRUGATED SHEET(S) AND CHANNEL(S) FOR TREATING EXHAUST GASES OF COMBUSTION ENGINES

The present invention relates a substrate having corrugated sheet(s) and chan-nel(s) for treating exhaust gases of combustion engines. The present invention also relates to methods for manufacturing and using said substrate having said open channel(s). The substrate (1) comprises at least one corrugated sheet (3) having depressions (3d) and one flat wire mesh sheet (2) having depressions (2d) which is connected to said corrugated sheet (3) and between said flat wire mesh sheet (2) and said corrugated sheet (3) there are at least partially open channels (POC) for exhaust gas (EG) flow, and the depth of depression (2d) of said flat wire mesh sheet (2) is 0.05-2.0 mm smaller than the height of the corrugation (3c) of said corrugated sheet (3). © KIPO & WIPO 2009 ...

AIR FILTER

An air filter including a base and a first and second frame element is disclosed. Each frame element is coupled to the base. The frame elements have an oscillating shape having a first portion relatively close to the base and a second portion relatively farther from the base. A filter element generally follows the oscillating shape of the frame elements. An air filter system is also disclosed. The air filter system can include the air filter and an air filter container. The air filter container contains the air filter and directs air through the air filter in a predetermined direction. An air filter is disclosed including a support structure and an oscillating shaped filter element attached to the support structure. The oscillating shape increases the air filter surface area for a given volume.

SUPER-ABSORBENT FILTER CAPABLE OF RAPIDLY AND ECONOMICALLY REMOVING MOISTURE IN LUBRICANT

Proposed is a super-absorbent filter capable of rapidly and economically removing moisture in a lubricant. More particularly, the super-absorbent filter includes: a filter body formed in a cylindrical shape by using a super-absorbent material so as to adsorb and remove free moisture in oil; and a particle filter capable of capturing contaminated particles in oil by using an internal particle filter and an external particle filter that are respectively added and sewed to an internal portion and an external portion of the filter body formed in the cylindrical shape. By using the super-absorbent filter proposed in the present disclosure, preventing of loosening of the filter body that may be caused by moisture adsorption of the super-absorbent material and blocking contaminated particles in oil by assisting a core filter installed inside the super-absorbent filter are possible. 1. A super-absorbent filter capable of rapidly and economically removing moisture in a lubricant , the super-absorbent filter comprising:{'b': '110', 'a filter body () formed in a cylindrical shape by using a super-absorbent material so as to adsorb and remove free moisture in oil; and'}{'b': 120', '121', '122', '110', '120', '110, 'a particle filter () comprising an internal particle filter () and an external particle filter () that are respectively added and sewed to an internal portion and an external portion of the filter body () that is formed in the cylindrical shape, the particle filter () being configured to prevent loosening of the filter body () that may be caused by moisture adsorption of the super-absorbent material and to block contaminated particles in the oil by assisting a core filter installed inside the super-absorbent filter.'}2110. The super-absorbent filter of claim 1 , wherein the filter body () is formed in the cylindrical shape by using the super-absorbent material claim 1 , and is configured in a structure in which an upper portion and a lower portion thereof are opened. ...

VACUUM DEVICE WITH SINTERED METAL POCKET FILTER

Die Erfindung betrifft eine Vakuumvorrichtung (10) mit einer Vakuumkammer (12) und einer Vakuumpumpe (14) zur Evakuierung der Vakuumkammer (12). Die Vakuumvorrichtung (10) kann einen Plasmagenerator (28) aufweisen, um Behandlungsgut (16) in der Vakuumkammer (12) mit einem Plasma behandeln zu können. Der Vakuumpumpe (14) ist ein Abgaspartikelfilter (18) vorgeschaltet, um die Vakuumpumpe (14) vor aggressiven Reagenzien aus der Vakuumkammer (12) zu schützen. Der Abgaspartikelfilter (18) weist ein Filterelement (20) mit einer Vielzahl von Sintermetallfiltertaschen auf. Die Sintermetallfiltertaschen sind vorzugsweise jeweils aus zwei spitz zulaufenden gesinterten Metallblechstreifen ausgebildet. Das Filterelement (20) kann als Elektrode (30) des Plasmagenerators (28) mit dem Plasmagenerator (28) verbunden sein. Die Erfindung betrifft weiterhin die Verwendung eines Abgaspartikelfilters (18) mit Sintermetallfiltertaschen zum Schutz einer Vakuumpumpe (14).

FILTER ELEMENT AND ARRANGEMENT

A filter element comprising a first areal layer (1) and a second areal layer (2), said layers (1, 2) being bonded to one another to form at least one volume and at least one orifice (3), and said layers (1, 2) being partly spaced apart from one another by means (4), is, with regard to the problem of specifying a filter arrangement which, with simple manufacture, ensures impeccable operation, characterized in that the means (4) are formed from at least one layer (1, 2). Additionally described is an arrangement which comprises a filter element and a frame. Also described is a layer (1, 2) which has thermoformed regions.

Vorrichtung zum Behandeln, insbesondere Lackieren von Gegenständen

Es wird eine Vorrichtung zum Behandeln, insbesondere Lackieren, von Gegenständen, insbesondere eine Spritzkabine (10) für Fahrzeugkarosserien (11), beschrieben. Die Vorrichtung (10) umfasst eine Einrichtung (18) zum trockenen Abscheiden von haftfähigen Lackpartikeln, insbesondere Lack-Overspray, aus einem Luftstrom (16). Die Abscheideeinrichtung (18) verfügt über wenigstens eine Abtrenneinheit (20) mit Durchtrittsöffnungen (28) für den Luftstrom (16). Die Abtrenneinheit (20) weist wenigstens eine Lage aus grobkörnigen Abscheidekörpern (26) auf, an denen die Lackpartikel haften und zwischen denen die Durchtrittsöffnungen (28) verlaufen.

세라믹 필터 제조방법

... 본 발명에 따른 세라믹 필터 제조방법은, 단면이 원, 삼각 사각, 다각형의 형상을 취하는 중공 막대형의 구조의 바디부(100); 상기 바디부(100)의 상단에 형성되고, 상기 바디부(100)의 단면 직경보다 큰 직경을 가지며 상기 바디부(100)와 동일한 중공이 형성되는 헤드부(200); 상기 바디부(100)의 하단에 형성되며, 상기 바디부(100)의 하단 중공을 밀봉하는 밀봉부(300);로 구성되는 것을 특징으로 하는 세라믹 필터 제조방법에 있어서, 규조토 20 내지 40 중량부; 실리카 30 내지 50 중량부; 규산 나트륨 1 내지 5 중량부; 목분, 겨, 숯가루, 팜열매껍질분말 중 에서 선택되는 것으로써, 목분, 겨, 숯가루, 팜열매껍질분말 중 1종 이상의 혼합물이거나 단일 종을 사용하여 구성된 기공제 15 내지 40 중량부; 셀룰로오스 2 내지 10 중량부; 제올라이트 5 내지 15 중량부;를 포함하는 혼합물의 세라믹 반죽을 혼합하는 혼합단계(S100); 상기 혼합단계(S100)를 거쳐 혼합된 세라믹 반죽을 중공 막대형의 형상으로 고압 압출 성형하는 압출 성형단계(S200); 상기 압출 성형단계(S200)에 의하여 중공 막대형으로 압출되는 바디부(100) 형상물을 원하는 길이로 절단 하는 절단단계(S300); 상기 절단단계(S300)에 의하여 원하는 길이로 절단된 바디부(100) 형상물을 1차적으로 자연건조 시키는 1차 자연건조 단계(S400); 상기 1차 자연건조 단계(S400)에 의 하여 1차 자연건조된 바디부(100) 형상물을 2차적으로 100 내지 200℃사이의 범위에서 선택되는 온도로 가열하여 건조시키는 2차 저온건조 단계(S500); 상기 2차 저온건조 단계(S500) 후 건조된 바디부(100) 형상물을 소성로에서 1100 내지 1200℃사이의 범위에서 선택되는 온도로 소성 가공하는 3차 소성 단계(S600); 상기 3차 소성 단계(S600) 후 소성된 바디부(100) 형상물에 헤드부(200) 및 밀봉부(300)를 세라믹 접착제로 접합하는 조립 ...

METHOD FOR MANUFACTURING CERAMIC FILTER

A method for manufacturing a ceramic filter according to the present invention includes: a ceramic dough mixing step (S100); an extrusion molding step (S200); a step for cutting a body part (100) shape (S300); a first natural drying step (S400); a second low temperature drying step (S500); a third firing step (S600); an assembly step (S700); and a bonding heating step (S800). The present invention can produce a filter having a desired length by solving problems of restriction on the filter length existing in conventional fiber cloth methods by selecting extrusion molding as a production method for the ceramic filter. COPYRIGHT KIPO 2017 (AA) Start (BB) End (S100) Mixing (S200) Extrusion molding (S300) Cutting (S400) First natural drying (S500) Second natural drying (S600) Third firing (S700) Assembly (S800) Bonding heating ...

SUBSTRATE HAVING CORRUGATED SHEET(S) AND CHANNEL(S) FOR TREATING EXHAUST GASES OF COMBUSTION ENGINES

The present invention relates a substrate having corrugated sheet(s) and channel(s) for treating exhaust gases of combustion engines. The present invention also relates to methods for manufacturing and using said substrate having said open channel(s). The substrate (1) comprises at least one corrugated sheet (3) having depressions (3d) and one flat wire mesh sheet (2) having depressions (2d) which is connected to said corrugated sheet (3) and between said flat wire mesh sheet (2) and said corrugated sheet (3) there are at least partially open channels (POC) for exhaust gas (EG) flow, and the depth of depression (2d) of said flat wire mesh sheet (2) is 0.05-0.5 mm smaller than the height of the corrugation (3c) of said corrugated sheet (3).

FOLDABLE FILTER FRAME

A foldable filter frame including a filter media and a rectangular support frame surrounding and secured to the filter media, having opposed side frame elements having a hingable joint formed near the midpoint that allows the support frame and a dirt-capturing surface of the filter media to fold along lateral line from a planar, extended position to a folded position. The joint includes a fold line in a dirtied-side attaching panel, and a cut formed through a base and a clean-side attaching panel, of the side frame elements, and a means for biasing the joint to the planar, extended position. The biasing means is a strip of elastic member, stapled to an inside surface of the clean-side attaching panel in a relaxed state, across the cut formed through the clean-side attaching panel. The frame can have Velcro-type fasteners in the corners to secure the frame in the folded position.

Luftfilter und Luftreiniger verwendend Filterpapier mit hoher Dichte und Fahrzeug verwendend diese

Offenbart ist ein Luftfilter, welcher ein Filterpapier mit hoher Dichte verwendet. Das Filterpapier kann ein thermisch gebundenes Vliesstofffilterpapier 10 mit einer Luftpermeabilität um Fremdstoffe von durchgeleiteter verschmutzter Luft zu filtrieren und die verschmutzte Luft in frische Luft zu wandeln, enthalten. Das thermisch gebundene Vliesstofffilterpapier enthält Faltenteil 10-1 und 10-N die in vorbestimmten Intervallen gefaltet sind. Eine Dicke der Faltenteil 10-1 und 10-N ist bereitgestellt mit dichten Schichten 15 und 17, umfassend eine erste Polyethylenterephtalat (PET) Faser 20-2 welche durch Hitze schrumpfen kann und eine zweite Polyethylenterephtalat (PET) Faser 20-1, welche sich durch Hitzebehandlung verformt.

Partikelfilter sowie Verfahren zu dessen Herstellung

Beschrieben wird ein Verfahren zur Herstellung eines Filters (1) für Atemschutzmasken, bei dem ein Flächenpapier bereitgestellt und zu einem Faltenpaket (6) gefaltet wird. Aus dem Faltenpaket (6) wird ferner wenigstens ein Filterelement (2) herausgeteilt, das in ein Gehäuse (3) eingelegt und wenigstens punktuell mit dem Gehäuse (3) verbunden wird.Die beschriebene technische Lösung zeichnet sich dadurch aus, dass das Filterelement (2) aus dem Faltenpaket herausgeteilt wird, das in das Gehäuse (3) eingelegt wird und auf eine umfangsseitig angeordnete Außenkante des Filterelements (2) ein Schaum und/oder ein Klebstoff zur wenigstens teilweisen Kantenabdichtung (5) aufgebracht wird, der zumindest abschnittsweise eine Verbindung zum Gehäuse (3) herstellt. Ferner zeichnet sich die beschriebene Lösung dadurch aus, dass Filterelemente (2) mit einer mehreckigen Außenkontur aus einem Filterpaket (6) herausgetrennt werden.

SUBSTRATE HAVING CORRUGATED SHEET(S) AND CHANNEL(S) FOR TREATING EXHAUST GASES OF COMBUSTION ENGINES

Verfahren und Vorrichtung zum Abscheiden von Overspray sowie Anlage mit einer solchen

Bei einem Verfahren zum Abscheiden von Overspray aus der mit Overspray beladenen Kabinenluft von Beschichtungsanlagen, insbesondere von Lackieranlagen, wird der Overspray von einem Luftstrom aufgenommen und zu einer Abscheidevorrichtung (42) geführt, wo ein Großteil zumindest der Feststoffe aus dem Overspray abgeschieden wird. Die mit Overspray beladene Kabinenluft wird durch Filtermodule (40) geleitet, in denen sich Overspray abscheidet und welche als austauschbare Einweg-Baueinheiten mit Filtergehäuse (46) und Filtereinheit (52) ausgebildet sind, wobei jedes Filtermodul (40) nach Erreichen einer Grenzbeladung mit Overspray gegen ein leeres Filtermodul (40) ausgetauscht wird. Es sind außerdem eine Vorrichtung zum Abscheiden von Overspray mit solchen Einweg-Filtermodulen und eine Anlage zum Beschichten von Gegenständen (4), insbesondere von Fahrzeugkarosserien, angegeben.

VERWENDUNG EINES FILTERELEMENTS

Anlage zum Beschichten, insbesondere Lackieren, von Gegenständen, insbesondere von Fahrzeugkarosserien

Eine Anlage zum Beschichten, insbesondere Lackieren, von Gegenständen, insbesondere von Fahrzeugkarosserien (54), umfasst in bekannter Weise eine Beschichtungskabine (1), in welcher die Gegenstände (24) mit Beschichtungsmaterial beschichtbar sind, eine Zulufteinrichtung (7, 53), mit welcher in der Beschichtungskabine (1) ein Luftstrom erzeugbar ist, der beim Beschichten entstehenden Overspray aufnimmt und aus der Beschichtungskabine (1) abtransportiert. Eine Abscheideeinrichtung (15) ist in dem aus der Beschichtungskabine (1) austretenden Luftstrom angeordnet und umfasst eine Schüttung aus Abscheidekörpern (61), an denen sich Overspray abscheidet. Erfindungsgemäß sind die Abscheideeinrichtung (15) und eine Entsorgungseinrichtung (25) für die mit Overspray beladenen Abscheidekörper (61) in einer Vorrichtung (50) räumlich zusammengefasst. Die Abscheidekörper (61) sind von einem im Kreis führenden Fördersystem (60) kontinuierlich oder taktweise durch den Luftstrom bewegbar. Das Fördersystem ...

Substrate having corrugated sheet(s) and channel(s) for treating exhaust gases of combustion engines

The present invention relates a substrate having corrugated sheet(s) and channel(s) for treating exhaust gases of combustion engines. The present invention also relates to methods for manufacturing and using said substrate having said open channel(s). The substrate (1) comprises at least one corrugated sheet (3) having depressions (3d) and one flat wire mesh sheet (2) having depressions (2d) which is connected to said corrugated sheet (3) and between said flat wire mesh sheet (2) and said corrugated sheet (3) there are at least partially open channels (POC) for exhaust gas (EG) flow, and the depth of depression (2d) of said flat wire mesh sheet (2) is 0.05-0.5 mm smaller than the height of the corrugation (3c) of said corrugated sheet (3).

Axial flow air filter element

An axial flow air filter system is described. The system includes an axial flow filter element having a filter media. The filter media includes an inlet face and an outlet face, the inlet face spaced apart from the outlet face. The axial flow filter element includes an upper support ring adjacent to the inlet face of the filter media. The upper support ring circumscribes the filter media and supports an upper seal. The upper seal forms a seal with a housing when the filter element is received in the housing. The axial flow filter element further includes a lower support ring adjacent to the outlet face of the filter media. The lower support ring circumscribes the filter media. In some arrangements, the lower support ring does not include a seal.

Air permeable vent filter and headlight assembly having the same

FORCING AND FIXING STRUCTURE FOR THE FILTER CYLINDERS OF A FILTER CYLINDER TYPE DUST COLLECTOR

A forcing and fixing structure for the filter cylinders of a filter cylinder dust collector includes a housing provided therein with a division plate. Plural twinned setting racks are disposed under the division plate, and plural twinned forcing rods are respectively set on the setting racks, and the forcing rods are respectively and vertically connected with a rotary handle. Further, plural assembling-and-disassembling plates are respectively mounted on each pair of the forcing rods for plurality filter cylinders to be fitted thereon. When the rotary handles are turned to actuate the forcing rods to rotate and drive the assembling-and-disassembling plate to move upward, the filter cylinders can be forced to tight fit with the division plate, thus facilitating assembly and disassembly of filter cylinders, attaining good airtight effect and elevating efficacy of air purification and quality of use of the filter cylinder type dust collector.

SUBSTRATE HAVING CORRUGATED SHEET(S) AND CHANNEL(S) FOR TREATING EXHAUST GASES OF COMBUSTION ENGINES

Apparatus and methods for separating large particle ash particles from a flue gas using screen

This invention discloses an apparatus and methods for separating large particle ash particles from a flue gas using screen. The apparatus includes a screen that has a plurality of semi-elliptical cylinder surfaces. The semi-elliptical cylinder surfaces having holes through which said flue gas flows and through which the ash particles will not pass. The screen has a single layer for performing the separation in a manner such that the ash particles fall away from the screen and collect outside of the screen. A method of reducing velocity of a flue gas passing through screening apparatus for separating flue gas from ash particles. The method includes replacing a first screen of the screening apparatus with a second screen that has a plurality of semi-elliptical cylinder surfaces.

COATING INSTALLATION WITH A RECYCLING SYSTEM FOR OVERSPRAY DEPOSITED BY MEANS OF A LOOSE FILL

An installation for coating objects (54) comprises in a known way a coating booth (1), in which the objects (54) can be coated with coating material, a supply air device (7, 53), which can be used to produce in the coating booth (1) an air stream which takes up overspray occurring during coating and transports it away out of the coating booth (1). A collecting device (15) is arranged in the air stream emerging from the coating booth (1) and comprises a fill of collecting bodies (61), on which overspray is deposited. According to the invention, the collecting device (15) and a disposal device (25) for the collecting bodies (61) laden with overspray are spatially brought together in an apparatus (50). The collecting bodies (61) can be moved through the air stream continuously or intermittently by a circulating conveying system (60). The conveying system (60) also leads the collecting bodies (61) through the disposal device (25), so that it is not necessary for the collecting bodies (61) to ...

PLEATED AIR FILTER PACK AND AIR FILTER USING SAME

The invention provides a filter pack of which the mass is not increased, and moreover, the effective filter medium area is not reduced, and of which the pressure drop is sufficiently low, and the strength is sufficiently high, and an air filter using this. A pleated air filter pack is configured in such a way that dot embossed projections are provided on front and rear surfaces of a filter medium made of a non-woven fabric, the filter medium is folded in zigzag shape along creases of pleats, and the opposing embossed projections are brought into contact with each other when the filter medium is folded, thus maintaining the intervals between the filter media.

FILTER ELEMENT AND ARRANGEMENT

substrato tendo folhas e canais corrugados para tratamento de gases de exaustço de motores de combustço

FILTER COMPONENT

There is a need to reduce the amount of overlapping parts of a nonwoven fabric of a filter component to thereby lengthen the life of the filter component. This need is met by the filter component formed of a cylindrical nonwoven fabric having a center axis, and having a plurality of polygon-shaped cross-sections which are a same shape that are formed side-by-side at predetermined intervals along the center axis. Each side of each of the polygons is formed by a mountain fold part on a plane perpendicular to the center axis, and each vertex of one polygon is connected by a mountain fold part to each vertex of another polygon, respectively.

HIGH-DENSITY SLOT-TYPE CERAMIC FILTER

According to the present invention, a ceramic filter, manufactured by an extrusion molding method, comprises: a hollow stick-type body part (100) of which the cross section has a circle, triangle, square and polygonal shape; a head part (200) formed on an upper end of the body part (100), having the larger diameter than that of the cross section of the body part and having the same hollow structure with the body part (100); and a sealing part (300) formed on a lower end of the body part (100) and sealing the hollow structure on the lower end of the body part (100). COPYRIGHT KIPO 2017 ...

Pleated filter structure with gap retention

filtration media crinkled, packets filtration media and filtration elements

FILTER ELEMENT HAVING AT LEAST ONE MAT-TYPE OR SHEET-TYPE FILTER WEB

Respiratory droplet-absorbing device and an apparatus and system including the same

A respiratory droplet suction device includes an air inlet end and an exhaust end. A plurality of filtering devices are arranged between the air inlet end and the exhaust end. The filtering device is provided with a bacteria filtering screen for adsorbing bacteria and an ultraviolet sterilization lamp for inactivating the bacteria. The filtering device includes a first side wall and a second side wall. The first side wall is connected to the air inlet end, and the second side wall is connected to the exhaust end. The air entering from the first side wall is filtered by the bacteria filtering screen and discharged through the second side wall. The ultraviolet sterilization lamp is arranged corresponding to the bacteria filtering screen. A respiratory droplet filtering apparatus includes the respiratory droplet suction device, and a respiratory droplet electric suction system includes the respiratory droplet filtering apparatus are further provided.

FILTER SYSTEM HAVING A PRIMARY AND A SECONDARY FILTER ELEMENT, SECONDARY FILTER ELEMENT AND METHOD

고밀집 슬롯형 세라믹 필터

... 본 발명에 따른 세라믹 필터는, 압출 성형 방식으로 제조되는 세라믹 필터에 있어서, 단면이 원, 삼각, 사각, 다각형의 형상을 취하는 중공 막대형의 구조의 바디부(100); 상기 바디부(100)의 상단에 형성되고, 상기 바디부(100)의 단면 직경보다 큰 직경을 가지며 상기 바디부(100)와 동일한 중공이 형성되는 헤드부(200); 상기 바디부(100)의 하단에 형성되며, 상기 바디부(100)의 하단 중공을 밀봉하는 밀봉부(300);로 구성되는 것을 특징으로 한다.

Filterelement, insbesondere zur Gasfiltration

Ein Filterelement weist einen Filtermediumkörper und an der Anströmseite und an mindestens einer weiteren Seite jeweils einen mindestens teilweise umlaufenden Dichtungsmaterialstreifen auf, der Träger einer überstehenden Haltelasche ist.

SUBSTRATE HAVING CORRUGATED SHEET(S) AND CHANNEL(S) FOR TREATING EXHAUST GASES OF COMBUSTION ENGINES

A substrate has corrugated sheet(s) and channel(s) for treating exhaust gases of combustion engines. The present invention also relates to methods for manufacturing and using the substrate having the open channel(s). The substrate (1) includes at least one corrugated sheet (3) having depressions (3d) and one flat wire mesh sheet (2) having depressions (2d) which is connected to the corrugated sheet (3) and between the flat wire mesh sheet (2) and the corrugated sheet (3) there are at least partially open channels (POC) for exhaust gas (EG) flow, and the depth of depression (2d) of the flat wire mesh sheet (2) is 0.05-2.0 mm smaller than the height of the corrugation (3c) of the corrugated sheet (3).

elemento filtrante, em particular para filtração de gás

APPARATUS FOR TREATMENT, ESPECIALLY PAINTING, OF OBJECTS

An apparatus is described for treatment, especially painting, of objects, more particularly a spray cabin (10) for vehicle bodies (11). The apparatus (10) comprises a device (18) for dry deposition of adhesive paint particles, especially paint overspray, from an air stream (16). The deposition device (18) possesses at least one removal unit (20) with passage orifices (28) for the air stream (16). The removal unit (20) has at least one layer of coarse deposition bodies (26) to which the paint particles adhere and between which the passage orifices (28) run.

Filter element, in particular for gas filtration

A filter element has a filter medium body and sealing material strips extending at least partially circumferentially in a circumferential direction of the filter medium body at an inflow side of the filter medium body and at least at one additional side of the filter medium body. A first one of the sealing material strips carries at least one holding tab. The at least one holding tab projects past the first sealing material strip. The at least one holding tab is embodied at least partially of a material of the first sealing material strip. A filter device with such a filter element arranged in a filter housing is provided.

AIR FILTER

An air filter including a base and a first and second frame element is disclosed. Each frame element is coupled to the base. The frame elements have an oscillating shape having a first portion relatively close to the base and a second portion relatively farther from the base. A filter element generally follows the oscillating shape of the frame elements. An air filter system is also disclosed. The air filter system can include the air filter and an air filter container. The air filter container contains the air filter and directs air through the air filter in a predetermined direction. An air filter is disclosed including a support structure and an oscillating shaped filter element attached to the support structure. The oscillating shape increases the air filter surface area for a given volume.

FILTER ELEMENT HAVING AT LEAST ONE MAT-TYPE OR SHEET-TYPE FILTER WEB

A filter element is disclosed having at least one mat-type or sheet-type filter web (3), which forms by its outside (5) at least in part a filter jacket (7) that is closed on the peripheral side, wherein along the outside (5) of the filter jacket (7) a surface configuration or modification takes place in such a manner that structures (11) that are delimited from the remaining surface (9) of the filter web (3), are joined to the filter jacket (7) and are of presettable contour and/or thickness are created, wherein the structures (11) are generated by spray-fibre application and shaping, in such a manner that in time sequence, first the structures (11) and then the filter jacket (7), or in reverse order in time sequence, first the filter jacket (7) and then the structures (11), or that simultaneously both the filter jacket (7) and the structures (11) are formed in negative or positive shape on the filter jacket (7). In addition, the production of the filter element and also a shaping device ...

SUBSTRATE HAVING CORRUGATED SHEET(S) AND CHANNEL(S) FOR TREATING EXHAUST GASES OF COMBUSTION ENGINES

The present invention relates a substrate having corrugated sheet(s) and chan-nel(s) for treating exhaust gases of combustion engines. The present invention also relates to methods for manufacturing and using said substrate having said open channel(s). The substrate (1) comprises at least one corrugated sheet (3) having depressions (3d) and one flat wire mesh sheet (2) having depressions (2d) which is connected to said corrugated sheet (3) and between said flat wire mesh sheet (2) and said corrugated sheet (3) there are at least partially open channels (POC) for exhaust gas (EG) flow, and the depth of depression (2d) of said flat wire mesh sheet (2) is 0.05-2.0 mm smaller than the height of the corrugation (3c) of said corrugated sheet (3).

Filterelement mit mindestens einer matten- oder schichtförmigen Filterbahn

Ein Filterelement (1) mit mindestens einer matten- oder schichtförmigen Filterbahn (3), die mit ihrer Außenseite (5) zumindest teilweise einen umfangsseitig geschlossenen Filtermantel (7) ausbildet, ist dadurch gekennzeichnet, dass entlang der Außenseite (5) des Filtermantels (7) derart eine Oberflächengestaltung oder -modifizierung stattfindet, dass von der sonstigen Oberfläche (9) der Filterbahn (3) abgegrenzt Strukturen (11) vorgebbarer Kontur und/oder Dichte geschaffen sind.

PARTICLE FILTER AS WELL AS METHOD FOR THE MANUFACTURE THEREOF

A method for manufacturing a filter (1) for gas masks includes providing a flat paper and folding the paper into a pleated preform. The filter element (2) is separated from the pleated preform (6) and is inserted into a housing (3). The inserted filter element (2) is connected to the housing (3) at least at some points. This filter elements (2) may have a polygonal outer contour, upon separating the element from the pleated filter preform (6). A foam and/or an adhesive is applied to an outer edge of the filter element (2), arranged on the circumference of the filter element, for an at least partial sealing of an edge (5). This establishes a connection to the housing (3) in at least some sections.

Abgasreinigungssystem einer Maschine mit interner Verbrennung, die einen Turbolader aufweist

Die Erfindung bezieht sich auf ein Abgasreinigungssystem, das bei einer Maschine mit interner Verbrennung eingesetzt wird. Die Maschine weist einen Turbolader (40) auf, der ein Turbinenrad (45) und ein Gehäuse (42H) zur Unterbringung des Turbinenrads umfasst. Das Gehäuse definiert einen Turbinenauslass (44), der mit einem Abgasabgabeteil (49) des Turbinenrads in Verbindung steht. Die Maschine weist weiterhin einen Abgasdurchlass (34) auf, der mit einem Abgasauslass (44O) des Turbinenauslasses in Verbindung steht. Das System umfasst eine Abgasreinigungsvorrichtung, die im Abgasdurchlass an einer Position benachbart zum Abgasauslass des Turbinenauslasses angeordnet ist. Zudem umfasst die Vorrichtung ein Abgasreinigungsteil (51). Das Teil ist so vorgesehen, dass seine Dichte in einem Umfangsteil (34P) des Abgasdurchlasses größer als in einem mittleren Teil (34C) des Abgasdurchlasses ist und ein Flussdurchlasswiderstand pro Einheitsvolumen des Teils in einem Bereich des mittleren Teils des ...

Axialströmungs-Luftfilterelement

Es wird ein Axialströmungs-Luftfiltersystem beschrieben. Das System beinhaltet ein Axialströmungs-Filterelement mit einem Filtermedium. Das Filtermedium beinhaltet eine Einlassfläche und eine Auslassfläche, wobei die Einlassfläche von der Auslassfläche beabstandet ist. Das Axialströmungs-Filterelement beinhaltet einen oberen Stützring, angrenzend an die Einlassfläche der Filtermedien. Der obere Stützring umfasst das Filtermedium und unterstützt eine obere Dichtung. Die obere Dichtung bildet eine Dichtung mit einem Gehäuse, wenn das Filterelement in dem Gehäuse aufgenommen wird. Das Axialströmungs-Filterelement beinhaltet ferner einen unteren Stützring, angrenzend an die Auslassfläche des Filtermediums. Der untere Stützring umfasst das Filtermedium. In einigen Anordnungen beinhaltet der untere Stützring keine Dichtung.

Method for producing a contoured filter element and filter element arrangement

The invention relates to a method for producing a contoured filter element, according to which method at least one filtering medium is applied to a flat backing material and is detachably secured thereto. The filtering medium is cut out on the backing material to form the contoured filter element and said contoured filter element can be detached from the backing material for use. The invention also relates to a filter element arrangement produced by means of this method.

substrate having sheet (sec) and channel (s) (sec) corrugated care exhaust gas of combustion engines

FILTER SYSTEM HAVING A PRIMARY AND A SECONDARY FILTER ELEMENT, SECONDARY FILTER ELEMENT AND METHOD

AIR PURIFYING FILTER, APPARATUS INCLUDING THE SAME, AND METHODS OF MAKING AND USING THE SAME

An air filter and air purification technology including a frame encompassing a filter channel and a filter medium across the filter channel. The air filter and air purification technology also include one or more electrical heating components, placed in the filter channel and configured to heat the filter medium and/or air in the filter channel. Thus, the air filter has a heating function, and can heat the filter medium and the air in the filter channel according to actual working conditions and/or operations, so as to prevent moisture in the air from affecting the filtering efficiency of the filter medium. The air filter and air purification technology have the characteristics of enhancing the filtering effects and improving the service life of the filter.

FILTER ELEMENT AND ARRANGEMENT

A filter element comprising a first planar layer (1) and a second planar layer (2), the layers (1, 2) being joined to one another to form at least one volume and at least one opening (3), and the layers (1, 2) being spaced apart from one another in places by means (4). With regard to the object of providing a filter assembly which is easily manufactured and ensures proper operation, the invention is characterized in that the means (4) are formed from at least one layer (1, 2). An assembly comprising a filter element and a frame is also described. Also described is a layer (1, 2) having deep-drawn areas.

AXIAL FLOW AIR FILTER ELEMENT

An axial flow air filter system is described. The system includes an axial flow filter element having a filter media. The filter media includes an inlet face and an outlet face, the inlet face spaced apart from the outlet face. The axial flow filter element includes an upper support ring adjacent to the inlet face of the filter media. The upper support ring circumscribes the filter media and supports an upper seal. The upper seal forms a seal with a housing when the filter element is received in the housing. The axial flow filter element further includes a lower support ring adjacent to the outlet face of the filter media. The lower support ring circumscribes the filter media. In some arrangements, the lower support ring does not include a seal.

SUBSTRATE HAVING CORRUGATED SHEET(S) AND CHANNEL(S) FOR TREATING EXHAUST GASES OF COMBUSTION ENGINES

Filter element and arrangement

A filter element comprising a first areal layer (1) and a second areal layer (2), said layers (1, 2) being bonded to one another to form at least one volume and at least one orifice (3), and said layers (1, 2) being partly spaced apart from one another by means (4), is, with regard to the problem of specifying a filter arrangement which, with simple manufacture, ensures impeccable operation, characterized in that the means (4) are formed from at least one layer (1, 2). Additionally described is an arrangement which comprises a filter element and a frame. Also described is a layer (1, 2) which has thermoformed regions.

Filter member

There is demand for reducing the amount of overlapping parts of nonwoven fabric for a filter member and thus increasing the life. The present invention addresses this by providing a filter member that is obtained by forming cylindrical nonwoven fabric having a center axis with a plurality of polygonal cross-sections of the same shape being formed arranged along that center axis at prescribed intervals, wherein: in each of the polygons, each side is formed by a mountain fold part on a plane perpendicular to the center axis; in the plurality of polygonal cross-sections, each vertex of one polygon is connected by a mountain fold part with each vertex of another polygon in polygons that are adjacent to each other; a valley fold part is formed between adjacent mountain fold parts of the mountain fold parts connecting the vertices of one polygon with the vertices of another polygon, and the mountain fold part and the valley fold part are connected at one vertex in one polygon and said valley ...

Method of removing tar mist and apparatus therefor

In filtering a tar mist-containing gas to remove the tar, a filter bag having an inner surface and an outer surface is coated with a tar absorbent powder by feeding the powder into the top of the bag for free-fall therethrough while maintaining a slightly reduced pressure outside the bag to deposit the powder on the inner surface of the bag and then feeding the tar mist-containing gas into the filter bag while maintaining a greatly reduced pressure outside the filter bag to collect a layer of tar on the coating, and thereafter stripping the powder containing the absorbed tar from the inner surface of the filter bag.

Respiratory droplet-absorbing device and an apparatus and system including the same

A respiratory droplet suction device includes an air inlet end and an exhaust end. A plurality of filtering devices are arranged between the air inlet end and the exhaust end. The filtering device is provided with a bacteria filtering screen for adsorbing bacteria and an ultraviolet sterilization lamp for inactivating the bacteria. The filtering device includes a first side wall and a second side wall. The first side wall is connected to the air inlet end, and the second side wall is connected to the exhaust end. The air entering from the first side wall is filtered by the bacteria filtering screen and discharged through the second side wall. The ultraviolet sterilization lamp is arranged corresponding to the bacteria filtering screen. A respiratory droplet filtering apparatus includes the respiratory droplet suction device, and a respiratory droplet electric suction system includes the respiratory droplet filtering apparatus are further provided.

Air permeable vent filter, and headlight assembly comprising same

Provided are an air permeable vent filter, and a headlight assembly comprising the same. The air permeable vent filter has a body in which a nanofiber web, which comprises a plurality of pores and is formed by accumulating a nanofiber electrospun from a spinning solution in which a polymer material and a solvent are mixed, is spirally wound, and the air permeable vent filter implements an air permeable filter function of allowing air to pass through from one lateral side of the body to the other lateral side and blocking liquids and solids.

APPARATUS AND METHODS FOR LARGE PARTICLE ASH SEPARATION FROM FLUE GAS USING SCREENS HAVING SEMI-ELLIPTICAL CYLINDER SURFACES

Apparatus for separating ash particles from a flue gas. The apparatus includes a screen that has a plurality of semi-elliptical cylinder surfaces. The semi-elliptical cylinder surfaces having holes through which said flue gas flows and through which the ash particles will not pass. The screen has a single layer for performing the separation in a manner such that the ash particles fall away from the screen and collect outside of the screen. A method of reducing velocity of a flue gas passing through screening apparatus for separating flue gas from ash particles. The method includes replacing a first screen of the screening apparatus with a second screen that has a plurality of semi-elliptical cylinder surfaces.

SUBSTRATE HAVING CORRUGATED SHEET(S) AND CHANNEL(S) FOR TREATING EXHAUST GASES OF COMBUSTION ENGINES

EXHAUST GAS PURIFYING SYSTEM

A restaurant exhaust gas purifying system for filtering an exhaust gas of a cooking process including an exhaust vent and an exhaust gas purifier coupled to the exhaust vent. The exhaust gas purifier includes a housing which has an inlet connected to the exhaust vent and an outlet, a hot box connected to and housed within the housing, a heating device connected to the housing and configured for heating the hot box, and a rotating filter rotatably mounted to and housed within the housing. The rotating filter has a rotational cycle in which at least a portion of the rotating filter passes through the hot box. The exhaust gas purifier also includes a drive connected to the housing and operably coupled to the rotating filter for rotating the rotating filter, and a stationary filter positioned in the hot box.

Air filter

An air filter including a base and a first and second frame element is disclosed. Each frame element is coupled to the base. The frame elements have an oscillating shape having a first portion relatively close to the base and a second portion relatively farther from the base. A filter element generally follows the oscillating shape of the frame elements. An air filter system is also disclosed. The air filter system can include the air filter and an air filter container. The air filter container contains the air filter and directs air through the air filter in a predetermined direction. An air filter is disclosed including a support structure and an oscillating shaped filter element attached to the support structure. The oscillating shape increases the air filter surface area for a given volume.

Exhaust gas purification system of internal combustion engine having turbocharger

The invention relates to an exhaust gas purification system applied to an internal combustion engine. The engine has a turbocharger including a turbine wheel and a housing for housing the turbine wheel. The housing defines a turbine outlet passage communicating with an exhaust gas discharging part of the turbine wheel. The engine further has an exhaust passage part communicating with an exhaust gas outlet of the turbine outlet passage. The system comprises an exhaust gas purification apparatus disposed in the exhaust passage part at a position adjacent to the exhaust gas outlet of the turbine outlet passage. Further, the apparatus includes an exhaust gas purification member. The member is provided such that its density in a peripheral part of the exhaust passage part is larger than that in a central part of the exhaust passage part and a flow passage resistance per unit volume of the member at an area of the central part of the exhaust passage part is smaller than that at an area of the ...

Filter arrangements; housings; assemblies; and, methods

Air cleaner and preferred components for an air cleaner are provided. In certain arrangements, a band is permanently mounted to the media pack, surrounding the media. Also, the cartridge is non-circular and includes a radial seal thereon.

Pleated filter medium

The invention relates to a pleated filter medium ( 1 ) having pleats ( 2 ) with rectangular sides and a length direction (L) parallel to the fold between the two sides of a pleat ( 2 ), comprising several rows of distance elements extending in a cross direction (C) relative to the folds in the pleated filter medium, said rows being distanced from each other along a length direction (L), whereby each row of distance elements is constituted of a line of glue elements ( 3 ) distanced from each other and applied to a side of the filter medium. According to the invention rows of glue elements ( 3, 4 ) are applied to both the inside and the outside of the filter medium, the rows on the inside being displaced in the length direction in relation to the rows on the outside. The invention also relates to a filter including such a filter medium.

Structural reinforcements for filter assemblies

A filter assembly is described herein for controlling the air passing therethrough. The filter assembly can include a housing comprising a cavity formed therein. The filter assembly can also include a filter positioned within the cavity and coupled to the housing. Further, the filter assembly can include a reinforcement structure coupled to an end of the housing and adjacent to a top end of the filter

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.

Air filter assembly for an engine

An engine includes a breather conduit, an intake conduit, and an air filter assembly. The air filter assembly includes a case and a filter element. The case includes a first opening for receiving the breather conduit, and a second opening for receiving the intake conduit. The filter element includes a first aperture, a second aperture, and filter media at least partially defining an interior chamber of the filter element. The first and second apertures of the filter element are at least partially aligned with the first and second openings of the case, respectively. The filter element is positioned in the case such that the breather conduit and the intake conduit are directed to or from the interior chamber of the filter element, such that air filtered by the filter media mixes with unfiltered gases from the breather conduit in the interior chamber of the filter element prior to entering the intake conduit.

Filter with Shaped Flow Path Combinations

A filter includes a plurality of annular filter elements arranged in axially staggered relation. An axial flow path includes a plurality of flow path segments, some being filtered by a respective filter element, and others bypassing a respective filter element. Various combinations are provided.

Modular air filter

An air filter for exemplary use with forced air circulation systems includes a modular media core having rigid top and bottom media supports that are connectable with a variety of axial supports to form a high efficiency air filter cartridge useful with many different types of air circulation systems.

Filter arrangement, in particular air filter arrangement

A filter arrangement may include a housing having two front walls substantially extended on both sides of a housing center plane and a circumferential wall connecting the front walls. The housing may include an untreated space inlet and a clean space outlet. A filter insert may be arranged between the inlet and the outlet and include two bottom discs that are adjacent to the side walls in the assembled state of the filter insert. The filter insert may include a filter wall extending between and connecting the bottom discs. The filter wall may extend substantially orthogonal to the housing center plane. A lateral disc may define an opening configured to be tightly connected to at least one of the inlet and the outlet. The front walls may be coupled to the bottom discs in the assembled state of the filter insert through interacting profile parts arranged on at least one of the front walls and the bottom discs into a double wall.

Filter for a pipe

The invention provides a filter for a pipe, the filter comprising an attachment portion for attaching to the pipe, and a filter surface for presentation to and filtering of an oncoming flow of the pipe, wherein the filter surface has at least one pointed apex for protruding into the oncoming flow. The invention also provides a pipe for transporting an oncoming flow, wherein the pipe is provided with a filter surface across the cross-sectional area of the pipe and wherein the filter surface has at least one pointed apex protruding along the longitudinal axis of the pipe. The invention also provides an aircraft with such a filter or pipe and a method of filtering an oncoming flow of a pipe.

Structural reinforcements for filter assemblies

A filter assembly is described herein for controlling the air passing therethrough. The filter assembly can include a housing comprising a cavity formed therein. The filter assembly can also include a filter positioned within the cavity and coupled to the housing. Further, the filter assembly can include a reinforcement structure coupled to an end of the housing and adjacent to a top end of the filter

Air filter element, air filter housing and air filter system

A filter element ( 1 ) for an air filter ( 30 ) has a tubular filter medium ( 2 ), the annular cross-section of which encloses an interior ( 6 ) of the filter element and which has an inner wall ( 7 ) that adjoins the interior of the filter element and that extends in the form of at least one convex arch ( 8 ) and at least two concave arches ( 9 ), the concave arch ( 9 ) being located between two convex arches ( 8 ) such that the interior ( 6 ) of the filter element has a constriction ( 11 ) in the area of the concave arch ( 9 ), the constriction ( 11 ) being adjoined by two wide zones ( 12 ) of the interior of the filter element.

AIR PURIFIER WITH HINGED FILTER FRAME

The present invention provides an air purifier. The air purifier according to one preferred embodiment, of the present invention may comprise: a housing; a blowing unit installed in the housing so as to draw in external air; and a filter unit having filtering surfaces, through which the air passes and which are disposed in multiple directions, and an air inflow space, which has at least a part thereof surrounded by the filtering surfaces disposed in the multiple directions and into which the air discharged from, the blowing unit flows. 1. A filter unit , comprising:a filter member having four filtering surfaces to filter air; anda filter frame on which the filter member is mounted,wherein the filter frame includes two first type frames and two second type frames,wherein one of the two first type frames is hinge-combined with one of the two second type frames to rotate between an upper limit and a lower limit of a first range of a rotation angle and is hinge-combined with the other of the two second type frames to rotate between an upper limit and a lower limit of a second range of a rotation angle,wherein the other of the two first type frames is hinge-combined with the one of the two second type frames to rotate between the upper limit and the lower limit of the second range of a rotation angle and is hinge-combined with the other of the two second type frames to rotate between the upper limit and the lower limit of the first range of a rotation angle,wherein the upper limit of the first range is smaller than the upper limit of the second range, andwherein the lower limit of the first range is smaller than the lower limit of the second range.2. The filter unit of claim 1 , wherein the lower limit of the first range is 0 degree claim 1 , the upper limit of the first range is 90 degrees claim 1 , the lower limit of the second range is 90 degrees claim 1 , and the upper limit of the second range is 180 degrees.3. The filter unit of claim 1 , wherein when an angle ...

AIR PURIFIER WITH HINGED FILTER FRAME

The present invention provides an air purifier. The air purifier according to one preferred embodiment, of the present invention may comprise: a housing; a blowing unit installed in the housing so as to draw in external air; and a filter unit having filtering surfaces, through which the air passes and which are disposed in multiple directions, and an air inflow space, which has at least a part thereof surrounded by the filtering surfaces disposed in the multiple directions and into which the air discharged from, the blowing unit flows. 1. A filter unit , comprising:a filter frame; anda filter member mounted on the filter frame, the filter member having four filtering surfaces to filter air,wherein the filter frame includes:a first frame including a first side and a second side that is opposite to the first side,a second frame including a first side and a second side that is opposite to the first side, the first side of the second frame being rotatably connected to the second side of the first frame,a third frame including a first side and a second side that is opposite to the first side, the first side of the third frame being rotatably connected to the second side of the second frame, anda fourth frame including a first side and a second side that is opposite to the first side, the first side of the fourth frame being rotatably connected to the second side of the third frame and the second side of the fourth frame being rotatably connected to the first side of the first frame,wherein the filter frame is configured to rotate between an open position and an overlapped position,wherein, in the open position, the first frame, the second frame, the third frame, and the fourth frame form a rectangle, andwherein, in the overlapped position, an angle between the first frame and the second frame is less than 90 degrees, an angle between the third frame and the fourth frame is less than 90 degrees, an angle between the second frame and the third frame is greater than 90 ...

AIR PURIFIER WITH HINGED FILTER FRAME

The present invention provides an air purifier. The air purifier according to one preferred embodiment, of the present invention may comprise: a housing; a blowing unit installed in the housing so as to draw in external air; and a filter unit having filtering surfaces, through which the air passes and which are disposed in multiple directions, and an air inflow space, which has at least a part thereof surrounded by the filtering surfaces disposed in the multiple directions and into which the air discharged from, the blowing unit flows. 1. An air purifier , comprising:a housing;a blowing unit installed in the housing to intake external air; anda filter unit including a filter member having four filtering surfaces, through which flowing air caused by the blowing unit passes and which are disposed in multiple directions, and a filter frame on which the filter member is mounted,wherein the filter frame includes:a first frame;a second frame of which one side is rotatably connected to one side of the first frame;a third frame of which one side is rotatably connected to other side of the first frame; anda fourth frame of which one side is rotatably connected to other side of the second frame, and of which other side is rotatably connected to other side of the third frame,wherein when an angle between the first frame and the second frame increases and an angle between the third frame and the fourth frame increases, an angle between the first frame and third frame decreases and an angle between the second frame and the fourth frame decreases, andwherein when the angle between the first frame and the second frame decreases and the angle between the third frame and the fourth frame decreases, the angle between the first frame and third frame increases and the angle between the second frame and the fourth frame increases.2. The air purifier of claim 1 , wherein when the second frame rotates between an upper limit and a lower limit of a first range of a rotation angle with ...

Air Intake Assembly and Methods Thereof

Disclosed herein are air intake assemblies for internal combustion engines. In some embodiments, an air intake assembly includes an air filter configured to produce filtered air, a sealed filter housing configured to house the air filter therein, and an intake tube configured to convey the filtered air to an internal combustion engine. The filter housing includes an air intake port configured to provide intake air to the air filter. The air filter is configured to remove particulate matter from the intake air and produce the filtered air. The air filter includes a multi-component coupling interface configured to accept an intake-end portion of the intake tube in the coupling interface. The filter housing includes an aperture configured to accept the coupling interface of the air filter in the aperture. Also disclosed herein are methods of the air intake assemblies.

Air Intake Assembly and Methods Thereof

Disclosed herein are air intake assemblies for internal combustion engines. In some embodiments, an air intake assembly includes an air filter configured to produce filtered air, a sealed filter housing configured to house the air filter therein, and an intake tube configured to convey the filtered air to an internal combustion engine. The filter housing includes an air intake port configured to provide intake air to the air filter. The air filter is configured to remove particulate matter from the intake air and produce the filtered air. The air filter includes a multi-component coupling interface configured to accept an intake-end portion of the intake tube in the coupling interface. The filter housing includes an aperture configured to accept the coupling interface of the air filter in the aperture. Also disclosed herein are methods of the air intake assemblies. 1. An air intake assembly for an internal combustion engine , comprising:an air filter configured to remove particulate matter from intake air to produce filtered air, the air filter including a multi-component coupling interface;a sealed filter housing configured to house the air filter therein, the filter housing including an aperture and an air intake port configured to provide the intake air to the air filter;an intake tube configured to convey the filtered air to the internal combustion engine; and wherein the coupling interface of the air filter is configured to accept an intake-end portion of the intake tube in the coupling interface, and', 'wherein the aperture of the filter housing is configured to accept the coupling interface of the air filter in the aperture., 'a service-determination enabling means for enabling a person to determine whether or not the air filter should be serviced,'}2. The air intake assembly of claim 1 , wherein the service-determination enabling means includes a window disposed in or over a window opening in a side or a top of the filter housing.3. The air intake assembly ...

PLEATED MEDIA FOR A CONICAL SHAPED FILTER ELEMENT

A frusto-conical filter includes at least one layer of a filtering material, wherein one or more layers of the at least one layer of a filtering material comprises a plurality of pleats. Each of the pleats has a center axis which essentially maintains a constant distance from the center axis of its adjoining pleats. The media filter has a first end and a second end, the second end being spaced apart from the first end, and one of the first and second ends is larger than the other of the first and second ends. A method of making this media involves cutting out a frusto-conical section from a generically shaped media and aligning it in such a way as to maintain the constant distance of the pleats from the adjacent pleats. 1. A frusto-conical filter comprising:a filter media comprising at least one layer of a filtering material;one or more layers of the at least one layer of a filtering material comprises a plurality of pleats, wherein each pleat has a center axis; andthe media filter has a first end and a second end, the second end being spaced apart from the first end, and one of the first and second ends is larger than the other of the first and second ends; andthe filter media is formed so that the distance between the center axis of each adjoining pleat of the plurality of pleats is substantially uniform along the length of the adjacent pleats.2. The frusto-conical filter of claim 1 , wherein the pleated surface has a seam and wherein the pleats form a chevron pattern at the seam.3. The frusto-conical filter of claim 1 , wherein the pleated surface has a seam and wherein one of the plurality of pleats adjacent to the seam runs substantially parallel to the seam claim 1 , and at least one other of the plurality of the pleats has an end that intersects the seam.4. The frusto-conical filter of claim 1 , wherein the pleats are of varying lengths.5. The frusto-conical filter of claim 1 , wherein a portion of the pleats extend the length of the filter media.6. The ...

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.

Clip-On Monitor for Detecting Clogged Air-Filters

A monitoring clip to be secured to the edge of a filter cartridge includes a channel connecting both sides of the filter through which air will flow in response to the filter becoming clogged. Air flow within the channel will eventually be strong enough to pivotally move a flow vane. Controlling circuitry is used to detect the angular movement of the flow vane. When the flow vane moves to a “triggering” position, it is determined that the filter is clogged and requires replacement. Controlling circuitry will sound and illuminate a local alarm, and send a signal by Bluetooth or WiFi, to a smartphone. Although a clip format is preferred, the measuring and controlling circuitry of the monitoring clip can be also built into new filters. 1) A device for indicating a obstructed status of a filter assembly positioned within an HVAC airflow , said filter assembly including filter material having a first and second side , and through which said HVAC airflow passes , said filter material being supported within a peripheral frame , said device comprising:a C-shaped housing frictionally securable to said frame of said filter assembly so that a first side of said housing resides on said first side of said filter material, and an opposing second side of said housing resides adjacent to said second side of said filter material, said housing including a passageway which is sized and shaped to allow a portion of said HVAC airflow to pass therethrough, said portion of said HVAC airflow passing through said passageway in response to said filter material becoming obstructed;a control circuit, including a power supply;a flow-sensor attached to said housing for sensing the amount of said HVAC air-flow passing through said passageway; andan indicator for indicating when said flow-sensor senses a predetermined flow rate of HVAC airflow passing through said passageway, indicating an obstructed filter.2) The device of claim 1 , wherein said indicator includes a source of illumination claim 1 ...

Air Cleaner; Replaceable Filter Cartridges; and, Methods

The disclosure concerns 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. 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. 120-. (canceled)21. An air filter cartridge comprising: (i) the cartridge first end being an open end with an air flow aperture therethrough; and,', '(ii) the cartridge second end being closed to air flow passage therethrough;, '(a) media extending between first and second cartridge ends and around an open filter interior;'}(b) a support having a portion surrounded by the media;(c) a housing seal member positioned on the air filter cartridge adjacent the filter cartridge end; and, '(i) each post projecting in a direction away from the cartridge first end.', '(d) two posts positioned on the cartridge second end;'}22. An air filter cartridge according to wherein:(a) the first and second posts are circular in cross-section.23. An air filter cartridge according to wherein:(a) a portion of the support surrounded by the media having a porous structure at least 50% open.24. An air filter cartridge according to wherein:(a) the portion of the support surrounded by the media is a porous structure comprising extensions supported by parallel spaced hoops.25. An air filter cartridge according to wherein:(a) the media is not pleated.26. An air filter cartridge according to wherein:(a) the housing seal member is configured to form a radially directed seal.27. An air filter cartridge according to wherein:(a) the housing seal member is an o-ring.28. An air filter cartridge according to wherein:(a) the media defines a circular outer perimeter in a cross-section perpendicular to a direction between the first and second cartridge ends.29. An air filter cartridge according to wherein:(a) each of the two posts is ...

FLEXIBLE FILTER CAGE FOR A MAKE-UP AIR MODULE

A flexible filter cage for receiving an air filter in an air conditioner unit includes a first frame portion and a second frame portion spaced apart from the first frame portion to define a frame cavity therebetween. A flexible bridge extends between and flexibly connects the first frame portion and the second frame portion to permit flexing of the filter cage up to a predetermined angle which facilitates easy mounting into a filter slot defined by the air conditioner unit. 1. A packaged terminal air conditioner unit defining a vertical direction , a lateral direction , and a transverse direction , the packaged terminal air conditioner unit , comprising:a bulkhead defining an indoor portion and an outdoor portion;a vent aperture defined in the bulkhead;an auxiliary fan positioned proximate the vent aperture and being configured for urging a flow of make-up air from the outdoor portion through the vent aperture to the indoor portion; and a first frame portion;', 'a second frame portion spaced apart from the first frame portion to define a frame cavity therebetween; and', 'a flexible bridge extending between and flexibly connecting the first frame portion and the second frame portion., 'a filter cage positioned adjacent the auxiliary fan and being configured for receiving an air filter, the filter cage comprising2. The packaged terminal air conditioner unit of claim 1 , wherein the first frame portion and the second frame portion are spaced apart along the lateral direction by a gap.3. The packaged terminal air conditioner unit of claim 1 , wherein the filter cage comprises an elongated flange that extends from an outer surface of the first frame portion and the second frame portion away from the frame cavity.4. The packaged terminal air conditioner unit of claim 3 , wherein the flexible bridge is a tapered portion of the elongated flange that extends between and connects the first frame portion and the second frame portion.5. The packaged terminal air conditioner ...

HVAC Home Air Filter

An apparatus and a method are provided for a heating, ventilation, and air conditioning (HVAC) home air filter to remove airborne molecular contaminants and volatile organic compounds (VOCs) from air within residential spaces. The HVAC home air filter comprises a supportive frame having a shape and size suitable to orient the HVAC home air filter within a residential HVAC system. A filter medium is retained within the supportive frame to remove the airborne molecular contaminants and VOCs from air flowing through the residential HVAC system. The filter medium comprises a combination of media layers configured to exhibit a relatively high filtration efficiency and a low air pressure drop across the filter medium. The supportive frame comprises a plurality of elongate sections and corner sections disposed along perimeter edges of the filter medium to support the filter medium within the residential HVAC system so as direct air through the filter medium. 1. A heating , ventilation , and air conditioning (HVAC) home air filter to remove airborne molecular contaminants and volatile organic compounds (VOCs) from air within residential spaces , comprising:a filter medium comprising a combination of one or more media layers disposed between a first screen and a second screen, the filter medium being configured to remove the airborne molecular contaminants and VOCs from air flowing through a residential HVAC system of a residence; anda supportive frame comprising a plurality of elongate sections and corner sections disposed along perimeter edges of the filter medium and configured to orient the filter medium within the residential HVAC system.2. The HVAC home air filter of claim 1 , wherein each of the elongate sections and corner sections comprises a U-shaped cross-sectional shape including an open side that provides a recess suitable to receive a perimeter edge of the filter medium.3. The HVAC home air filter of claim 2 , wherein the elongate sections and corner sections ...

FILTER CARTRIDGE COMPRISING A WELD SEAM

A filter cartridge has a folded filter medium that is formed into a prism at least in regions and comprises two interconnected end folds, and which filter cartridge is constantly or cyclically subjected to stresses, specifically subjected to stresses from dedusting by means of pressure surges, is characterized in that the end folds overlap one another. 1. A filter cartridge , comprising:a folded filter medium, formed into a prism at least in regions,wherein the folded filter medium includes a first and a second interconnected end fold,wherein the first and second end folds overlap one another.2. The cartridge of claim 1 , wherein the first and second end folds are welded together.3. The cartridge of claim 1 , wherein the first and second end folds are ultrasonically welded together.4. The cartridge of claim 1 , wherein the first and second end folds form a wall of a point of the folded filter medium.57. The cartridge of claim claim 1 , wherein the first and second end folds each have a depth that is smaller than a depth of the wall. Priority is claimed to European Patent Application No. 15 177 740.6, filed on Jul. 21, 2015, the entire disclosure of which is hereby incorporated by reference herein.The invention relates to a filter cartridge.Filter cartridges comprise a filter medium that surrounds a cavity. The cavity has at least one opening into which compressed air can be blown. The filter cartridges comprise a pleated or folded filter medium that can be welded or glued at end regions to form a prismatic body.Filter cartridges of this kind for filtering air contain, as a core part, a filter medium arranged in the shape of a star that is assembled from a flat medium. In addition to the folding or pleating and the fold orientation, a significant process step in the assembly is that of joining the end folds of a planar concertina to form a prism.A filter cartridge can have a relatively low resistance to pressure surges if two end folds are glued together “back-to- ...

CONFORMABLE PLEATED AIR FILTER WITH BRIDGING FILAMENTS

A conformable, unframed, non-self-supporting pleated air filter, comprising: a conformable, unframed, non-self-supporting, pleated air filter media with an upstream face and a downstream face, wherein the conformable, unframed, non-self-supporting, pleated air filter media comprises a plurality of oppositely-facing pleats with a pleat direction and with a plurality of upstream pleat tips and upstream pleat valleys and downstream pleat tips and downstream pleat valleys, the pleated air filter media further comprising a plurality of bridging filaments on the downstream face of the pleated air filter media. 1. A conformable , unframed , non-self-supporting pleated air filter , comprising: 'wherein at least some of the bridging filaments of the plurality of bridging filaments are in discontinuous contact with the upstream face of the pleated air filter media and are bonded to at least some of the upstream pleat tips; or, are in discontinuous contact with the downstream face of the pleated air filter media and are bonded to at least some of the downstream pleat tips.', 'wherein the conformable, unframed, non-self-supporting, pleated air filter media comprises a plurality of oppositely-facing pleats with a pleat direction and with a plurality of upstream pleat tips and upstream pleat valleys and downstream pleat tips and downstream pleat valleys, the pleated air filter media further comprising a plurality of bridging filaments on at least one face of the pleated air filter media,'}, 'a conformable, unframed, non-self-supporting, pleated air filter media with an upstream face and a downstream face,'}2. The pleated air filter of wherein at least some of the bridging filaments are at least generally parallel to each other and are oriented at least generally orthogonal to the pleat direction.3. The pleated air filter of wherein the bridging filaments are at least essentially parallel to each other and comprise a spacing between filaments of from about 4 mm to about 25 mm.4. ...

FLAME ARRESTOR FILTER FOR ELECTRIC EQUIPMENT

An enclosure () of an electric device includes an enclosure wall () and a flame arrestor filter () integrated into the enclosure wall (), wherein the flame arrestor filter () is configured to filter a stream () of hot gases and particles occurring during an arc fault event inside the enclosure () such that the hot gases and particles are absorbed by the filter () and a filtered stream () of cooled gases exits the filter () to an outside of the enclosure (). 112.-. (canceled)13. A variable frequency drive (VFD) configured to be coupled to a utility power source and to provide output currents , the VFD comprising:a plurality of enclosures comprising a plurality of enclosure walls, andat least one flame arrestor filter integrated into at least one of the plurality of enclosure walls, wherein the flame arrestor filter is configured to filter a stream of hot gases and particles occurring during an arc fault event inside the enclosure such that the hot gases and particles are absorbed by the filter and a clean stream of cooled gases exits the filter to an outside of the enclosure.14. The VFD of claim 13 , wherein the at least one flame arrestor filter is further configured to filter an ambient air stream entering the enclosure for cooling purposes of the VFD positioned inside the enclosure.15. The VFD of claim 13 , wherein claim 13 , during the arc fault event claim 13 , the at least one flame arrestor filter allows air to exit the enclosure thereby lowering a pressure inside the enclosure.16. The VFD of claims 13 , wherein the flame arrestor filter is adapted as a filter panel comprising porous material.17. The VFD of claim 16 , wherein the at least one enclosure wall comprises an opening with support elements for receiving the filter panel claim 16 , wherein the support elements limit insertion of the filter panel into the enclosure.18. The VFD of claim 16 , further comprising a cooling air panel including air inlets claim 16 , stationary louvers and a frame claim 16 , ...

SELF-SUPPORTING FOLDED SHEET MATERIAL, FILTER ELEMENTS, AND METHODS

A pleated media pack includes a section of media configured into a tube defining an interior volume and an open opening at one end. At least some of the pleats at both ends of the media pack are inverted. In some examples, the pleats include major pleats alternating with minor pleats. 1. A pleated media pack for use in a filter element; the media pack comprising:(a) a section of filtration media folded into pleats; at least some of the pleats having a major pleat depth;(b) the section of filtration media being configured into a tube defining an interior volume, first and second opposite ends; and an opening at the first end; the opening having a diameter; 'at least some of the pleats at the second end are inverted an opposite direction of the rest of the pleat, along at least a portion of the pleat length from the second end toward the first end.', 'wherein at least some of the pleats at the first end are inverted an opposite direction of the rest of the pleat, along at least a portion of the pleat length from the first end toward the second end; and'}2. The media pack of wherein the pleats include major pleats defining the major pleat depth claim 1 , and minor pleats having a minor pleat depth that is less that the major pleat depth.3. The media pack of wherein the major pleats and minor pleats alternate with each other.4. The media pack of wherein the major pleats and minor pleats are arranged in a repeating pattern.5. The media pack of wherein at least some of the major pleats at the first end are inverted an opposite direction of the rest of the pleat claim 2 , along at least a portion of the pleat length from the first end toward the second end.6. The media pack of wherein at least some of the minor pleats at the first end are inverted an opposite direction of the rest of the pleat claim 2 , along at least a portion of the pleat length from the first end toward the second end.7. The media pack of wherein the major pleats and minor pleats at the first end are ...

Air Filter Arrangement; Assembly; and, Methods

An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes facing media secured to fluted media. A preferred projection/receiver arrangement is described. Also, a useful seal arrangement is described. Air cleaner assemblies, methods of assembly and use are also provided. 1. An air filter cartridge for removable installation in an air cleaner housing; the air filter cartridge comprising: '(i) the media pack being configured so that air cannot pass into one face and out from the other flow face without filtering flow through the filter media;', '(a) a media pack comprising a stack of strips of fluted media secured to facing media and configured to define opposite inlet and outlet flow faces;'}(b) a housing seal arrangement including a housing seal member non-removably positioned in extension around the media pack; and, '(i) the second pair of first and second, opposite, sides extending between the first pair of first and second, opposite, sides; and,', '(c) the air filter cartridge including a first pair of first and second, opposite, sides and a second pair of first and second, opposite, sides;'} '(i) the first member of a projection/receiver arrangement comprising a receiver having opposite receiver sides that define a receiver space therebetween; the receiver space being open in a direction toward the outlet flow face and being closed by respective ones of the opposite receiver sides, along opposite sides of the receiver space, in a direction toward each side of the second pair of first and second, opposite, sides.', '(d) a first member of a projection/receiver arrangement non-removably positioned on the first side of the first pair of first and second opposite sides of the air filter cartridge and oriented for receipt therein of a second member of a projection/receiver arrangement positioned in an air cleaner housing, in use;'}2. An air filter cartridge according to wherein:(a) the media pack is a ...

SEPARATOR FOR SEPARATING SOLID MATTER FROM A FLUID

A separator comprises a separator housing section forming an at least partially cylindrical inner wall with respect to a vertical axis, a funnel-shaped upper member with a large diameter portion being attached to said inner wall, a funnel-shaped lower member with a large diameter portion being attached to said inner wall at a position lower than said large diameter portion of said funnel-shaped upper member, an inlet opening arranged for leading fluid into said separator housing section at a position between said large diameter portions of the upper and funnel-shaped members with a flow direction of said fluid having at least a tangential component at said inlet opening. Said upper and lower funnel-shaped members each have axial openings at respective lower end portions opposite to said large diameter portions. 26323434. Separator according to claim 1 , wherein an annular passage () is defined by a radial outer surface () of said upper funnel-shaped member () and a radial inner surface () of said lower funnel-shaped member ().35-. (canceled)64147. Separator according to claim 1 , wherein said axial opening () of said lower funnel-shaped member () opens to an accommodation space () for accommodating solid matter separated from said fluid.73308. Separator according to claim 1 , wherein said upper funnel-shaped member () opens with its large diameter portion () to an outlet section ().8880333. Separator according to claim 7 , wherein said outlet section () is formed with an inner wall () which is continuous with an inner surface () of said upper funnel-shaped member ().98303. Separator according to claim 7 , wherein said outlet section () is formed with a circular cross section with a maximum diameter being lager than a diameter of said large diameter portion () of said upper funnel-shaped member ().1056313303. Separator according to claim 1 , wherein a passage is formed for allowing a flow of said fluid from said inlet opening () through said annular passage () claim ...

RANGE HOOD

A range hood for collecting oil scattered from a rotating disk filter, capable of improving the cleaning workability is provided. The range hood includes a fan configured to generate an air flow, a disk filter provided on a flow path of the air flow and having a slit, a motor configured to rotate the disk filter, a rectifying plate provided upstream of the disk filter on the flow path of the air flow, and a disk cover configured to surround an outer periphery portion of the disc filter and having an outlet portion that allows oil from the disk filter to flow out to a predetermined portion of the rectifying plate. 1. A range hood comprising:a flow path;a fan disposed in the flow path to generate a flow of air that flows in the flow path;a disk filter disposed upstream of the fan in the flow path and configured to filter the air;a motor connected to the disk filter and configured to rotate the disk filter;a rectifying plate disposed upstream of the disk filter in the flow path; anda cover configured to cover an outer periphery of the disk filter, the cover including an outlet portion for oil to flow from the disk filter to the rectifying plate.2. The range hood of claim 1 , wherein the outlet portion includes:an outlet hole formed through a bottom surface of the cover, anda collection case disposed on the rectifying plate and configured to collect oil flowing from the outlet portion.3. The range hood of claim 2 ,wherein the fan, the disk filter, the collection case, and the rectifying plate are sequentially arranged in a direction from an upper side to a lower side, andwherein the outer periphery of the disk filter is formed to be inclined downward such that the oil flows to a bottom surface of the cover.4. The range hood of claim 3 ,wherein the outlet hole is formed at an outer periphery of the bottom surface of the cover, and an opening provided to allow oil drained from the outlet hole to flow into the collection case, the opening formed below the outlet hole to ...

Pre-Cleaning Air Filter

A filter element including a filter media, an end cap, and a baffle. The filter media is configured to be secured within a housing. The housing includes an inlet configured to accept a fluid for filtering and the filter media including a circumferential outer surface. The end cap is positioned at and coupled to one end of the filter media. The baffle is positioned relative to the filter media at a position such that, when the filter element is correctly installed within the housing, the baffle is proximate the inlet of the housing. The baffle extends around only a portion of the circumferential outer surface of the filter media in a radial direction. 1. A filter element , comprising:a filter media configured to be secured within a housing, the housing including an inlet configured to accept a fluid for filtering, the filter media including a circumferential outer surface;an end cap positioned at and coupled to one end of the filter media; anda baffle positioned relative the filter media at a position such that, when the filter element is correctly installed within the housing, the baffle is proximate the inlet of the housing, the baffle extending around only a portion of the circumferential outer surface of the filter media in a radial direction.2. The filter element of claim 1 , wherein the baffle is positioned proximate the end cap.3. The filter element of claim 1 , wherein the baffle includes at least two baffle sections configured to be attached along and detached from a section of the outer perimeter of the filter media.4. The filter element of claim 1 , further comprising a media keying feature located on the end cap claim 1 , the media keying feature having complementary geometry with and configured to engage a corresponding housing keying feature located on the housing.5. The filter element of claim 4 , wherein the media keying feature is a flat portion of the outer perimeter of the end cap.6. The filter element of claim 1 , further comprising a media keying ...

Motor vehicle engine air intake system, an air filter enclosure assembly and vehicle engine air intake method

Vehicle Engine Air Intake System and Method (to be accompanied by FIGS. 1 and 3 ) In a motor vehicle ( 12 ), an air filter housing ( 14 ) is at least partially defined by a cross-member ( 28 ) forming part of a structural front end module of the vehicle body. The cross-member ( 28 ) defines a recess ( 44 ) for receiving an air filter ( 90 ) and at least one air inlet aperture opening into the recess. An air filter enclosure assembly is mounted to the cross-member over an open face of the recess. The air filter enclosure assembly may include an air filter enclosure ( 42 ) and an air filter ( 90 ).

Filter arrangements; housings; assemblies; and, methods

Air cleaner and preferred components for an air cleaner are provided. In certain arrangements, a band is mounted to the media pack, surrounding the media. Also, the cartridge is non-circular and includes a seal thereon.

Animal Waste Vacuum Disposal and Bagging Device

A solid pet waste vacuum and bagging device is described. The device is equipped with a canister, collection chute, vacuum motor, and a bag cartridge. The device eliminates the need for an individual to come into any contact with pet waste, including the temperature and the smell conventionally known to emanate from pet waste. The device employs the vacuum motor to collect pet waste within the bag via the collection chute. The collection chute is lined with a plastic bag, which is sealed and released from the collection chute within the canister upon activation of a dispose button by the user. The device is powered by rechargeable batteries, and may be equipped with a charging cradle to maintain a fully charged battery. 1. A pet waste vacuum comprising:a canister;a collection chute;a vacuum motor;a bag cartridge, said bag cartridge in communication with a bag;wherein said bag is air-permeable;wherein said collection chute, said bag, and said vacuum motor are housed within said canister;wherein said canister is equipped with a rim;wherein said rim is in communication with said bag cartridge;wherein said rim is configured to rotate, in so doing twisting said bag sealed;wherein said rim is equipped with a door configured to seal the waste within the collection chute;a battery;a power button; anda dispose button.2. The pet waste vacuum of claim 1 , wherein said dispose button releases said bag cartridge from said rim upon activation.3. The pet waste vacuum of claim 1 , further comprising:a locking mechanism;a handle; said handle in communication with said dispose button and said power button; anda flashlight, said flashlight integrated into said handle.4. A method of removing pet waste from a location with vacuum suction without human touch comprising:affixing a bag cartridge to a rim of a collection chute of a canister;wherein the canister houses the vacuum;wherein the canister is in communication with a handle;wherein the handle is equipped with a flashlight powered ...

UNIFORMLY EXPANDABLE AIR FILTER

The present disclosure relates to air filters. More particularly, it relates to air filters including pleated filter media that can be uniformly expanded and contracted. In some embodiments, the air filters are adjustably sized air filter systems. In some embodiments, the air filters can be used in a window opening. 1. An air filter , comprising:a filter media assembly that is expandable from a collapsed state to an expanded state and that includes pleated filter media having a plurality of pleats; and wherein the multiple elastic, expandable elements consist of a set of extruded elastic filaments that are extruded onto the pleat tips and are thermally bonded thereto and wherein the extruded elastic filaments are all linear and parallel to each other at least when the filter media assembly is in an expanded state,', 'wherein the filter media assembly expands from the collapsed state to the expanded state substantially uniformly., 'multiple elastic, expandable elements connected to a majority of the pleat tips of the plurality of pleats;'}2. The air filter of claim 1 , wherein more than one expandable element is connected to a single pleat tip.3. The air filter of claim 1 , wherein the expandable elements are attached to at least one of the bottom pleat tips claim 1 , the top pleat tips claim 1 , and/or the top and bottom pleat tips.4. The air filter of claim 1 , wherein the filter media is at least one of moisture-resistant claim 1 , moisture-repellant claim 1 , electrostatically charged claim 1 , an electret nonwoven web claim 1 , and/or not electrostatically charged.5. The air filter of claim 1 , wherein the filter media includes at least one of carbon claim 1 , activated carbon claim 1 , a nonwoven claim 1 , a thermoplastic claim 1 , a thermosetting material claim 1 , a porous foam claim 1 , fiberglass claim 1 , paper claim 1 , a high loft spunbond web claim 1 , a low loft spunbond web claim 1 , a meltblown web claim 1 , and/or bi-modal fiber diameter meltblown ...

EXTREME ULTRAVIOLET RADIATION SOURCE AND CLEANING METHOD THEREOF

An extreme ultraviolet radiation source is provided, including a vessel, an optical collector, and a gas scrubber. The vessel has a gas inlet and a gas outlet. The optical collector is disposed within the vessel and configured to collect and reflect extreme ultraviolet light produced in the vessel. A cleaning gas is introduced into the vessel through the gas inlet to clean the surface of the optical collector. The gas scrubber is disposed within the vessel, arranged such that the cleaning gas leaves the vessel through the gas outlet after flowing through the gas scrubber. The gas scrubber has a number of gas passages to allow the cleaning gas to flow through, and the size of the gas passage close to the gas outlet is smaller than the size of the gas passage away from the gas outlet. 1. An extreme ultraviolet radiation source , comprising:a vessel having a gas supply and a gas outlet;an optical collector disposed within the vessel and configured to collect and reflect extreme ultraviolet light produced in the vessel, wherein a cleaning gas is supplied from the gas supply to clean a surface of the optical collector; anda gas scrubber disposed within the vessel, arranged such that the cleaning gas leaves the vessel through the gas outlet after flowing through the gas scrubber;wherein the gas scrubber has a plurality of gas passages to allow the cleaning gas to flow through, and a size of the gas passage close to the gas outlet is smaller than a size of the gas passage away from the gas outlet.2. The extreme ultraviolet radiation source as claimed in claim 1 , wherein the gas scrubber is a ring structure claim 1 , comprising:an upper ring;a lower ring; anda plurality of ribs connected between the upper ring and the lower ring and distributed along a circumference of the ring structure, wherein the ribs form the gas passages therebetween.3. The extreme ultraviolet radiation source as claimed in claim 2 , wherein the ribs comprise a plurality of first ribs close to the ...

FILTER ELEMENT, SYSTEMS, AND METHODS

A gas turbine air intake system uses a filter element having a seal member with radial projections and radial recesses. The seal member forms a seal with components on the tube sheet of the system and at the end opposite of the tube sheet. At the end opposite of the tube sheet, there can be an assembly cover, or alternatively, an additional filter cartridge. 1. A filter element comprising:(a) a tubular section of filter media; and (i) each of the first and second end caps having a seal arrangement along an inner radial surface of each of the end caps;', '(ii) each of the seal arrangements including a seal member having an inwardly radially directed seal surface and a thickness that varies along the seal member surface., '(b) first and second opposite open end caps secured to the filter media;'}2. The filter element of wherein each the seal arrangements has a same shape as the other.3. The filter element of wherein the tubular section of media is conical claim 1 , and the seal arrangements vary in proportion to each other.4. The filter element of further including a seal support; the seal member being supported by the seal support; wherein the seal support comprises an inner liner extending between the first and second end caps.5. The filter element of wherein the thickness of the seal member surface varies in a radial direction along the seal member surface.6. The filter element of wherein a length of the seal member surface is constant in an axial direction.7. The filter element of wherein the seal member thickness varies by a minimum thickness and a maximum thickness claim 1 , wherein the maximum thickness is at least 1.1 times the minimum thickness.8. The filter element of wherein the radially directed seal surface comprises a plurality of outwardly projecting and axially extending portions and a plurality of inwardly projecting and axially extending portions.9. The filter element of wherein the plurality of outwardly projecting and axially extending portions and ...

FILTER CARTRIDGES; AIR CLEANER ASSEMBLIES; HOUSINGS; FEATURES; COMPONENTS; AND, METHODS

According to the present disclosure, air cleaner assemblies, housings, serviceable filter cartridges and features, components, and methods, relating thereto are disclosed. In general, the features relate to systems that are configured to aid in inhibiting an improper cartridge from being installed in an air cleaner housing, during servicing. A variety of features are characterized, and in many examples, the cartridge includes a seal arrangement having radially directed seal surface with at least a first non-wavy or non-projection/recess section and a second wavy or projection/recess section. Examples are shown and described in detail. 120-. (canceled)21. An air filter cartridge comprising: (i) the first flow end comprising an inlet flow end;', '(ii) the second flow end comprising an outlet flow end; and,', '(iii) the media pack being configured to filter air flowing into the inlet flow end prior to the air exiting the outlet flow end; and,, '(a) a media pack comprising filter media and having first and second, opposite, flow ends;'} (i) the housing seal arrangement defining an air flow passageway;', '(ii) the housing seal arrangement comprising a first radially outwardly directed, seal member defining a first radial seal surface oriented to releasably, sealingly engage surrounding structure, in use;', '(iii) the first radial seal surface defining a perimeter-direction in extension around the flow passageway;', '(iv) the first radial seal surface having a modified oval perimeter shape including first and second opposite arcuate seal surface sections separated by first and second opposite non-wavy side seal surface sections; and,', '(iv) at least one of the first and second opposite arcuate seal surface sections including a radially directed portion comprising an alternating radial projection/recess configuration comprising at least two projections and three recesses in extension along a portion of the perimeter-direction., '(b) a housing seal arrangement positioned ...

FILTER ASSEMBLY AND DRYING APPARTUS HAVING THE SAME

A filter assembly and a drying apparatus having the filter assembly are proposed. The filter assembly () may purify air introduced into the main body () of the drying apparatus. The filter assembly () may be protruded by a predetermined distance to a side surface of the main body () by the moving plate (). The filter frame () protruded by the moving plate () may be removed from the moving plate () to perform maintenance of filters ().

Air Filter With Spiral-Wrapped Frame

A framed air filter in which at least one portion of the frame is provided by a spiral-wrapped frame piece in which a terminal segment of the spiral-wrapped frame piece serves as a reinforcing strut. 1. A framed air filter , comprising:an air filter media comprising a generally rectangular perimeter with four major edges; and, 'wherein each frame portion is provided by single frame piece that comprises multiple segments that are foldably connected by fold lines, which single frame piece is spiral-wrapped in a generally rectangular configuration with two segments of the single frame piece in overlapping relation with each other with an edge portion of the filter media sandwiched therebetween so as to provide a multilayer front wall of the frame portion; and, wherein a terminal segment of the single frame piece extends from an outward-front vertex of the frame portion and terminates at an inward-rear vertex of the frame portion and provides a reinforcing strut that extends at least generally diagonally across an at least generally rectangular interior space defined by inward, outward, front and rear walls of the frame portion.', 'a frame comprising four frame portions, each frame portion being mounted on one of the four major edges of the air filter media and with neighboring frame portions meeting to form corners of the frame,'}2. The framed air filter of claim 1 , wherein:first and fifth segments of the frame piece are in overlapping relation with each other, with an edge portion of the filter media sandwiched therebetween, so as to provide the multilayer front wall of the frame portion,second and fourth segments of the frame piece respectively provide outward and inward walls of the frame portion,a third segment of the sidewall provides a rear wall of the frame portion, and,a sixth, terminal segment of the frame piece extends from an outward-front vertex of the first and second frame piece segments and terminates at an inward-rear vertex of the third and fourth ...

FILTER CARTRIDGES; AIR CLEANER ASSEMBLIES; HOUSINGS; FEATURES; COMPONENTS; AND, METHODS

According to the present disclosure, air cleaner assemblies, housings, serviceable filter cartridges and features, components, and methods, relating thereto are disclosed. In general, the features relate to systems that are configured to aid in inhibiting an improper cartridge from being installed in an air cleaner housing, during servicing. A variety of features are characterized, and in many examples, the cartridge includes a seal arrangement having radially directed seal surface with at least a first non-wavy or non-projection/recess section and a second wavy or projection/recess section. Examples are shown and described in detail. 1. An air filter cartridge comprising: (i) the first flow end comprising an inlet flow end;', '(ii) the second flow end comprising an outlet flow end; and,', '(iii) the media pack being configured to filter air flowing into the inlet flow end prior to the air exiting the outlet flow end; and,, '(a) a media pack comprising filter media and having first and second, opposite, flow ends;'} (i) the housing seal arrangement defining an air flow passageway;', '(ii) the housing seal arrangement comprising a first radially outwardly directed, seal member defining a first radial seal surface oriented to releasably, sealingly engage surrounding structure, in use;', '(iii) the first radial seal surface defining a perimeter-direction in extension around the flow passageway; and,', (A) at least a first seal surface section including a radially directed portion comprising an alternating radial projection/recess configuration comprising at least two projections and three recesses in extension along a portion of the perimeter-direction; and,', '(B) at least 30% of extension of the radial seal surface, in the perimeter-direction, not comprising an alternating projection/recess configuration and having no recesses therein., '(iv) the first radial seal surface including], '(b) a housing seal arrangement positioned on the media pack;'}2. An air filter ...

PAINTING FACILITY AND METHOD FOR PAINTING A WORKPIECE, AND FILTER ELEMENT FOR THIS PURPOSE

The invention relates to a painting facility and a method for painting a workpiece, wherein, in a painting station, a coating is sprayed onto the workpiece by way of at least one painting device, and in an extraction station, which is arranged outside the painting station, air with overspray is extracted out of the painting station via an extraction device with a filter element, wherein overspray is separated out of the extracted air at the filter element. According to the invention it is provided that the exhaust air is led away via an extraction opening which is arranged in a lower region of the extraction station, wherein the filter element is placed onto the extraction opening, wherein the filter element is arranged approximately centrally in an extraction chamber of the extraction station. The invention further relates to a filter element provided for this purpose. 114.-. (canceled)15. A painting facility for painting a workpiece , havinga painting station, in which a coating can be sprayed onto the workpiece by way of at least one painting device, andan extraction station, which is arranged underneath the painting station and has an extraction device with a filter element, via which air with overspray can be extracted out of the painting station, wherein overspray is separated out of the extracted air at the filter element,wherein the painting station at the top is separated from the extraction station at the bottom via an air-permeable, preferably lattice-like separating floor, whereinan extraction opening having a centering piece in a base region for leading away exhaust air is arranged in a lower region of the extraction station,the filter element is placed onto the upward-facing extraction opening with the centering piece and can be detached therefrom by lifting,the filter element has an outer circumference region that tapers upwards from a base, andthe filter element is arranged centrally and free in an extraction chamber of the extraction station, which ...

Filter Element for Filtration and Dehumidification of a Gas

A filter element for filtration and dehumidification of a gas has at least one filter medium body with an outflow side delimiting a clean-side flow chamber. A dehumidification unit is arranged downstream of the at least one filter medium body in a flow direction of the gas in the clean-side flow chamber. A carrier body accommodates the at least one filter medium body and the dehumidification unit. The dehumidification unit is connected flow-tightly to an outflow opening of the clean-side flow chamber. The dehumidification unit is arranged in the clean-side flow chamber at a spacing relative to the at least one filter medium body. 1. A filter element for filtration and dehumidification of a gas , the filter element comprising:at least one filter medium body comprising an outflow side delimiting a clean-side flow chamber;a dehumidification unit arranged downstream of the at least one filter medium body in a flow direction of the gas in the clean-side flow chamber;a carrier body accommodating the at least one filter medium body and the dehumidification unit;wherein the dehumidification unit is connected flow-tightly to an outflow opening of the clean-side flow chamber;wherein the dehumidification unit is arranged in the clean-side flow chamber at a spacing relative to the at least one filter medium body.2. The filter element according to claim 1 , wherein the dehumidification unit is a cylindrical dehumidification cartridge.3. The filter element according to claim 1 , wherein the dehumidification unit comprises a housing claim 1 , wherein the housing of the dehumidification unit comprises one or more inflow openings and an outflow opening claim 1 , wherein the outflow opening of the housing of the dehumidification unit is connected to the outflow opening of the flow chamber claim 1 , wherein the dehumidification unit comprises a drying agent accommodated in the housing of the dehumidification unit.4. The filter element according to claim 3 , wherein the housing of the ...

SUCTION GRIPPER DEBRIS FILTER

In one embodiment, a material sorting system comprises: a suction gripper assembly, the suction gripper comprising: a body assembly that includes: an internal airflow passage configured to communicate an airflow between an airflow application port positioned at a first end of the body assembly and a gripping port positioned at the opposing second end of the body assembly; a cup fitting attached to the gripping port; a suction cup secured to the cup fitting; an attachable filer inserted into the suction cup and fastened to the cup fitting; and a mounting assembly, wherein the mounting assembly includes one or more mounting points for pivotally attaching the suction gripper assembly to a sorting robot of the material sorting system. 1. A material sorting system , the system comprising: [ an internal airflow passage configured to communicate an airflow between an airflow application port positioned at a first end of the body assembly and a gripping port positioned at the opposing second end of the body assembly;', 'a cup fitting attached to the gripping port;', 'a suction cup secured to the cup fitting;', 'an attachable filer inserted into the suction cup and fastened to the cup fitting; and, 'a body assembly that includes, 'a mounting assembly, wherein the mounting assembly includes one or more mounting points for pivotally attaching the suction gripper assembly to a sorting robot of the material sorting system., 'a suction gripper assembly, the suction gripper comprising2. The system of claim 1 , wherein the attachable filter is fastened to the cup fitting by at least one of:a threaded connection,a twist cam, ora set screw3. The system of claim 1 , wherein the suction cup is a bellowed suction cup4. The system of claim 1 , wherein the attachable filer extends in length from the cup fitting into the suction cup to at least partially restrict compression of the suction cup.5. The system of claim 1 , wherein the attachable filter comprises a suction application surface ...

FILTER ELEMENT WITH DEPRESSED SIDE PORTION

A filter element comprising a filter media and an outer surface. The filter media is formed in a closed loop, the closed loop defining a hollow interior extending along a longitudinal axis between a first end of the filter media and a second end of the filter media. The outer surface surrounds a perimeter of the filter element and is defined by a substantially circular first portion and at least one second portion. The first portion is substantially circular at a selected height of the filter media, and the at least one second portion is depressed relative to a circle defined by the substantially circular first portion at the selected height. 1. A filter element , comprising:a filter media formed in a closed loop, the closed loop defining a hollow interior extending along a longitudinal axis between a first end of the filter media and a second end of the filter media; andan outer surface surrounding a perimeter of the filter element, the outer surface defined by a substantially circular first portion and at least one second portion, the first portion being substantially circular at a selected height of the filter media, the at least one second portion being depressed relative to a circle defined by the substantially circular first portion at the selected height.2. The filter element of claim 1 , wherein the at least one second portion is substantially flat.3. The filter element of claim 1 , wherein the outer surface includes two second portions that are spaced from each other along the perimeter of the filter element claim 1 , wherein the first portion is located between the two second portions.4. The filter element of claim 1 , wherein the outer surface includes two second portions that abut each other along the perimeter of the filter element.5. The filter element of claim 1 , further comprising a first end cap coupled to the first end of the filter media claim 1 , the first end cap including a central flow passage therein that communicates with the hollow ...

Filter Element, in Particular for Gas Filtration

A filter element with at least one filter medium body and with a grip configured to hold and guide the filter element is provided. At least one locking element is arranged at the grip and configured to lock the filter element on a receiving filter housing. A filter device with such a filter element has a receiving filter housing to receive the filter element and a cover to secure the locking element in locked position on the filter housing. 1. A filter element comprising:at least one filter medium body;a grip configured to hold and guide the filter element;at least one locking element arranged at the grip and configured to lock the filter element on a receiving filter housing.2. The filter element according to claim 1 , wherein the at least one locking element and the grip together form a one-piece common component.3. The filter element according to claim 2 , wherein the one-piece common component is elastically deformable.4. The filter element according to claim 2 , wherein the grip is an ergonomic structure of the one-piece common component.5. The filter element according to claim 4 , wherein the ergonomic structure as a grip depression or a grip ring.6. The filter element according to claim 1 , wherein the grip is a bracket comprising bracket ends claim 1 , wherein the bracket ends are connected to a component of the filter element.7. The filter element according to claim 1 , further comprising a locking tab comprising a free end configured to be gripped claim 1 , wherein the at least one locking element is integrally formed on the locking tab.8. The filter element according to claim 1 , further comprising a support body claim 1 , wherein the at least one filter medium body is arranged on the support body.9. The filter element according to claim 8 , wherein the grip or the at least one locking element is formed as one piece together with the support body.10. The filter element according to claim 8 , wherein the support body is a support frame claim 8 , wherein ...

FILTER DEVICE AND FUME EXTRACTION DEVICE COMPRISING FILTER DEVICE

A filter device for a fume extraction device includes at least two filter elements arranged at an angle relative to one another, and a holding frame for holding the at least two filter elements. An edge of one of the at least two filter elements lies adjacent to an edge of the other one of the at least two filter element. Each of the at least two filter elements has a surface with a variable distance between opposite outer faces of the filter element. 114-. (canceled)15. A filter device for a fume extraction device , said filter device comprising:at least two filter elements arranged at an angle relative to one another, with an edge of one of the at least two filter elements lying adjacent to an edge of the other one of the at least two filter element, each of the at least two filter elements having a surface with a variable distance between opposite outer faces of the filter element; anda holding frame for holding the at least two filter elements.16. The filter device of claim 15 , wherein the adjacent edges of the at least two filter elements abut one another.17. The filter device of claim 15 , wherein the at least two filter elements are at an angle of less than 90° and preferably less than 40° relative to one another.18. The filter device of claim 15 , wherein the distance between the opposite outer faces of each of the at least two filter elements from one edge of the filter element in a direction of an opposite edge increases from a minimum to a maximum and from the maximum to the opposite edge decreases to the minimum claim 15 , with the filter element preferably having a diamond-shaped cross-section.19. The filter device of claim 15 , wherein the holding frame includes two end walls which abut end faces of the at least two filter elements claim 15 , and rails running between the end walls.20. The filter device of claim 19 , wherein each of the end walls has a side which faces the rails claim 19 , said holding frame including a handle formed on the side and ...

FILTER ARRANGEMENTS; HOUSINGS; ASSEMBLIES; AND, METHODS

Air cleaner and preferred components for an air cleaner are provided. In certain arrangements, a band is mounted to the media pack, surrounding the media. Also, the cartridge is non-circular and includes a seal thereon. 119-. (canceled)20. An air filter cartridge comprising:{'claim-text': ['(i) an inlet flow end and an opposite outlet flow end;', '(ii) filter media extending between the inlet flow end and the opposite outlet flow end; and,', '(iii) opposite curved ends separated by opposite sides; and,'], '#text': '(a) a filter media pack having:'}{'claim-text': ['(i) the housing seal arrangement comprising a seal member; and,', '(ii) the seal member comprising a seal surface having a racetrack shape comprising opposite curved ends separated by opposite sides; and,'], '#text': '(b) a radially outwardly directed housing seal arrangement secured around a periphery of the media pack;'}{'claim-text': ['(i) the band having a first end, a second end, and two opposite sides extending between the band first end and the band second end;', '(ii) the band having a ramp-engagable portion for engagement with an air cleaner housing ramp during installation of the filter cartridge into an air cleaner housing;', '(iii) the band being permanently mounted around the periphery of the filter media pack; and,', {'claim-text': '(A) the projection arrangement on the band comprising a handle; and,', '#text': '(iv) the band having a projection arrangement to provide for grasping of the band during handling of the air filter cartridge; the projection arrangement being in overlap with one of the band first end and the band second end and not in overlap with the other of the band first end and the band second end, and not in overlap with the two band opposite sides;'}, '(v) the band being spaced from, and separate from, the seal member.'], '#text': '(c) a band extending around a periphery of the media pack;'}21. An air filter cartridge arrangement according to wherein:(a) the projection ...

FILTER DEVICE AND OXYGEN ENRICHING APPARATUS

In a filter device, a disc-shaped filter is disposed on a main flow channel through which a gas flows, and the filter is rotated by a motor. A branch flow channel branches off at the downstream of the filter in the main flow channel, and branched gas is passed through the filter in an opposite direction. Rotation of the filter moves dust collected in a dust gathering region where the filter and the main flow channel overlap with each other to a cleaning region where the filter and the branch flow channel overlap with each other so that the dust is disengaged from the filter. Thus, the filter of the filter device can be automatically cleaned. 1. A filter device comprising:a main flow channel through which a gas flows;a disc-shaped filter disposed on the main flow channel, with the gas passing through the disc-shaped filter in one direction;a motor configured to rotate the filter; anda branch flow channel disposed downstream of the filter in the main flow channel, the branch flow channel being configured to allow part of the gas in the main flow channel to branch off and allow the branched gas to pass through the filter in the other direction that is opposite to the one direction with respect to the filter, whereinrotation of the filter moves dust collected by the filter in a dust gathering region where the filter and the main flow channel overlap with each other to a cleaning region where the filter and the branch flow channel overlap with each other, so that the dust is disengaged from the filter.2. The filter device according to claim 1 , wherein a region downstream of the cleaning region in the branch flow channel extends in a planar direction of the filter.3. The filter device according to claim 2 , whereinthe filter is disposed so that a rotation axis thereof is directed horizontally, andthe region downstream of the cleaning region in the branch flow channel extends in a vertical direction.4. The filter device according to claim 1 , wherein a region upstream of ...

Folding Air Filter Assembly and Apparatus

This document presents an apparatus for a flexible air filter media that can be configured for shipping and storage having one or more flexible inserts mounted to the filter media along one or more portions of the accordion folds of the air filter material. The current invention permits the air filter apparatus to fold along both X and Y axes, create a tri-fold, and bend in a manner that provides for a much smaller volume for shipping purposes. The invention also permits attaching the flexible material to the center of the filter media and also inserts which allow sections of the air filter media to be nested one into another to reduce both shipping and storage volume. 1. An interchangeable air filter apparatus , comprising:a plurality of air filter media portions;one or more flexible insert material portions; andbonding materials to connect the one or more flexible insert materials to the air filter media portions.2. The filter apparatus of claim 1 , wherein the air filter media portions are further comprised of material formed in folded or shaped configurations.3. The filter apparatus of claim 2 , wherein the filter media further comprises one or more flexible insert attachments along one or more edges of the air filter media portions.4. The filter apparatus of claim 1 , further comprises flexible insert material that is composed of cloth claim 1 , woven matting claim 1 , flexible plastic claim 1 , neoprene claim 1 , mylar claim 1 , rubberized flexible material claim 1 , or other like materials.5. The filter apparatus of claim 4 , wherein the separate flexible insert material further comprises compression points to attach to said filter media.6. The filter apparatus of claim 1 , where the air filter apparatus may be folded along the one or more flexible insert material panels to reduce the exterior physical dimensions of the air filter apparatus.7. The filter apparatus of claim 6 , where folding the air filter along the one or more flexible inserts permits two or ...

Method for Producing Filter Bellows

In a method for producing two or more filter bellows, a bellows with a filter medium with fold edges is provided, wherein the filter medium is running in a running direction. A cutting path is carried out in the bellows with the filter medium in a direction that, at least in some regions, is transverse relative to the fold edges such that the filter bellows are produced in parallel and the cutting path creates end edge faces and/or side faces of the filter bellows and the filter bellows are embodied lying adjacent to each other and symmetrical or point-symmetrical relative to each other in the running direction and/or transverse to the running direction. A filter element with such a filter bellows and a filter system with such a filter element and filter bellows arranged in a filter housing are provided. 1. A method for producing two or more filter bellows , the method comprising:providing a bellows comprising a filter medium with fold edges, wherein the filter medium is running in a running direction;carrying out a cutting path in the bellows comprising the filter medium in a direction that, at least in some regions, is transverse relative to the fold edges such that the filter bellows are produced in parallel and the cutting path creates end edge faces and/or side faces of the filter bellows and the filter bellows are embodied lying adjacent to each other and symmetrical or point-symmetrical relative to each other in the running direction and/or transverse to the running direction.2. The method according to claim 1 , comprising carrying out the cutting path with a directional change along the running direction.3. The method according to claim 2 , wherein the directional change is carried out with one or more angles of less than 45°.4. The method according to claim 2 , wherein the directional change is carried out with one or more radii.5. The method according to claim 1 , comprising producing at least four of the filter bellows in parallel by performing at least ...

COMBINED AIR FILTER ELEMENT FILTERING DEVICE

This present description discloses a combined air filter element filtering device, where the first filter element and second filter elements have a cube or cuboid shape. The second filter element and the first filter element are oriented in sagittal symmetry. The third filter element and the fourth filter element are oriented in symmetric distribution at the two sides of the first filter and second filter elements. The third filter element and the fourth filter element are in a semicircular or semi-arc ring structure. The first filter element, second filter element, third filter element and fourth filter element, when assembled into the combined air filter element device form a kidney-shaped or an oval three-dimensional ring-shaped combined air filter element filtering device. First, second, third and fourth filter elements are arranged to allow axial passage of air through the filter elements with decreased resistance and improved volume in order to reduce the air intake resistance in the filter element and increase the filter area so as to provide a combined air filter element filtering device of the same dimensions as conventional filters yet having a higher air inlet volume and improved clogging capacity, higher filtering efficiency and service life. 1. A combined air filter element filtering device having an oval perimeter shape with a hollow center portion comprising: a first filter element , a second filter element , a third filter element , and a fourth filter element;the first filter element and the second filter element having a generally cuboid shape;the third filter element and the fourth filter element having an elongated semicircular shape such that the third filter element has a third filter element arc internal peripheral face and the fourth filter element has a fourth filter element arc internal peripheral;the third filter element and fourth filter element arranged in a symmetric distribution near opposing ends of the combined air filter element ...

Pleated Filter Element

A filter element is provided with a folded bellows that has a first pleated section with parallel arranged first pleats and a second pleated section with parallel arranged second pleats. The first pleats of the first pleated section are positioned at an angle relative to the second pleats of the second pleated section. The end face edges of the first pleats of the first pleated section adjoin a first clean chamber. The end face edges of the second pleats of the second pleated section adjoin a second clean chamber. The second clean chamber is delimited by a longitudinal side of an edge-side pleat of the first pleated section. The first and second clean chambers are connected to each other. A filter insert with such a filter element is provided. 1. A filter element comprising:a folded bellows comprising a first pleated section with parallel arranged first pleats and a second pleated section with parallel arranged second pleats, wherein the first pleats of the first pleated section are positioned at an angle relative to the second pleats of the second pleated section;wherein end face edges of the first pleats of the first pleated section adjoin a first clean chamber;wherein end face edges of the second pleats of the second pleated section adjoin a second clean chamber;wherein the second clean chamber is delimited by a longitudinal side of an edge-side pleat of the first pleated section;wherein the first and second clean chambers are connected to each other.2. The filter element according to claim 1 , wherein the first pleats are positioned at an angle of 90° relative to the second pleats.3. The filter element according to claim 1 , wherein the first pleated section is embodied separate from the second pleated section.4. The filter element according to claim 3 , wherein the first and second pleated sections are glued or fused to each other.5. The filter element according to claim 1 , wherein the first and second pleated sections are formed together as one part.6. The ...

AIR FILTER ELEMENT AND METHOD FOR PRODUCING SAME

The invention pertains to an air filter element comprising: a filter medium pack comprising a filter medium, said filter medium pack having an optionally substantially planar first side and an optionally substantially planar second side, said first side and second side optionally being parallel; and a guiding rim comprising a sealing surface having at least a radially oriented component, arranged on at least one of said first side and said second side, wherein a circumference of the or each guiding rim comprises at least one convex portion and at least one concave portion; and wherein a contour of said filter medium pack corresponds to said convex portion of said guiding rim and at least part of said concave portion. The invention also pertains to a method for producing an air filter element. 1. An air filter element comprising:a) a filter medium pack comprising a filter medium, said filter medium pack having a first side and a second side; andb) a guiding rim comprising a sealing surface having at least a radially oriented component, arranged on at least one of said first side and said second side, said scaling surface being configured to provide radial sealing when installed in a suitably shaped cavity;c) wherein said filter medium pack has a substantially tubular shape; and 'wherein a contour of said filter medium pack corresponds to said convex portion of said guiding rim and at least part of said concave portion.', 'd) wherein a circumference of the or each guiding rim comprises at least one convex portion and at least one concave portion; and'}2. The air filter element of claim 1 , wherein said filter medium pack comprises a rolled-up length of filter medium having a tubular shape and a core that is substantially geometrically similar to said contour.3. The air filter element of claim 1 , wherein said filter medium pack comprises z-type filter media.4. The air filter element of claim 1 , wherein said filter medium pack comprises pleated filter media arranged ...

Air filter element and filter housing

Disclosed are various exemplary embodiments of an air filter element for a machine. The air filter element may include a generally rectangular body with a rounded bottom surface, where the generally rectangular body may be configured to be inserted into a filter housing in a first direction. The filter element may also include an inlet opening at a top surface opposite to the bottom surface of the generally rectangular body, where the inlet opening may face in a direction substantially perpendicular to the first direction. The filter element may also include a front surface facing substantially in the first direction and defining a discharge opening and a rear surface opposite to the front surface of the generally rectangular body. The filter element may further include a sealing element disposed on a side surface of the generally rectangular body between the front surface and the rear surface, such that the sealing element substantially may seal off a gap between the side surface of the filter housing and the generally rectangular body when the generally rectangular body is inserted into the filter housing.

IMAGE FORMING APPARATUS WITH PARTICLE COLLECTOR

An image forming apparatus includes a flow passage associated with a direction of flow and a particle collecting device including a filter to collect particles in a fluid passing through the flow passage in the direction of flow. The flow passage includes a curved portion, and a distribution in particle collecting performance of the filter in a direction perpendicular to the direction of flow results from the curved portion of the flow passage. 1. An image forming apparatus comprising:a flow passage to define a direction of flow of a fluid passing through the flow passage, wherein the flow passage includes a curved portion; anda particle collecting device installed in the flow passage, the particle collecting device comprising a filter to collect particles contained in the fluid, a distribution in flow velocity of the fluid in the direction perpendicular to the direction of flow; or', 'a distribution in average particle size of the particles contained in the fluid passing through the flow passage, and, 'wherein a distribution in particle collecting performance of the filter in a direction perpendicular to the direction of flow corresponds towherein the distribution in particle collecting performance is generated due to the curved portion of the flow passage.2. The image forming apparatus according to claim 1 ,wherein the filter includes a varying thicknesses from an inner side of the curved portion to an outer side of the curved portion of the flow passage, andwherein the distribution in particle collecting performance of the filter in the direction perpendicular to the direction of flow results from the varying thicknesses of the filter.3. The image forming apparatus according to claim 1 ,wherein the filter includes varying pore sizes from an inner side of the curved portion to an outer side of the curved portion of the flow passage, andwherein the distribution in particle collecting performance of the filter in the direction perpendicular to the direction of flow ...

Annular Filter Element, in Particular for Gas Filtration, and Filter Device

An annular filter element has a filter medium body that can be flowed through in a radial direction by a fluid to be cleaned. A central tube is arranged at an inner side of the filter medium body. A support collar is connected to the central tube and provides an end face forming an axial support surface for a housing component of a filter housing. A sealing element is connected to the support collar. The support collar has a radial side face, wherein the radial side face carries the sealing element and forms a sealing surface for the housing component, wherein the sealing surface is spaced apart from the axial support surface. The support collar is formed together with the central tube as one piece. 1. An annular filter element comprising:a filter medium body configured to be flowed through in a radial direction by a fluid to be cleaned;a central tube arranged at an inner side of the filter medium body;a support collar connected to the central tube and comprising an end face forming an axial support surface for a housing component;a sealing element connected to the support collar;wherein the support collar comprises a radial side face, wherein the radial side face carries the sealing element and provides a sealing surface for the housing component, wherein the sealing surface is spaced apart from the axial support surface;wherein the support collar is formed together with the central tube as one piece.2. The filter element according to claim 1 , wherein the support collar comprises a grid structure with grid openings configured to receive a sealing material of the sealing element.3. The filter element according to claim 1 , wherein the support collar comprises claim 1 , adjacent to an end face of the filter medium body claim 1 , a circumferentially extending support stay aligned axially with the end face of the support collar.4. The filter element according to claim 1 , wherein the support collar comprises a radial section and an axial section claim 1 , wherein the ...

FILTER CARTRIDGE ARRANGEMENTS AND ASSEMBLIES; PREFERRED FEATURES; METHODS OF ASSEMBLY AND USE

The present disclosure relates to filter assemblies. The features described and characterized are typically applied in gas (for example, air) cleaner assemblies. A typical use is in air cleaner assemblies for vehicles or other equipment. The techniques described relate, at least in part, to provision of assemblies with preferred configurations for convenient servicing and operation, while ensuring a proper cartridge is appropriately positioned, oriented and secured for use. Many of the techniques relate to arrangements in which features at opposite ends of a housing and/or cartridge are eccentrically positioned as described. 1. An air filter cartridge comprising: '(i) the filter media having first and second ends;', '(a) a filter media surrounding an open filter interior;'} '(i) the first end piece having a flow aperture therethrough;', '(b) a first end piece positioned at the first end of the filter media;'}(c) a housing seal arrangement comprising a releasable seal positioned on the first end piece including a non-circular radially directed seal member;(d) a second end piece positioned at the second end of the filter media;(e) the filter media first end defining a first media outer perimeter at a location adjacent the first end piece; and, '(i) the first and second media outer perimeters being eccentrically aligned with respect to one another.', '(f) the filter media second end defining a second media outer perimeter at a location adjacent the second end piece;'}2. An air filter cartridge according to wherein:(a) the non-circular radially directed seal member comprises a radially outwardly directed seal member.3. An air filter cartridge according to wherein:(a) the radially directed housing seal member comprises an integral portion of a molded-in-place portion of the first end piece.4. An air filter cartridge according to wherein:(a) the radially outwardly directed housing seal member defines a seal surface having at least three projection sections with recesses ...

Hollow Filter Element, in Particular for Gas Filtration

A hollow filter element for insertion into an openable filter housing has a filter medium body configured as a hollow body surrounding an inwardly positioned flow space. At least one end disk is connected to the filter medium body and covers an axial end face of the filter medium body. A positioning element is arranged at the at least one end disk and interacts with a housing-associated blade of the filter housing. The positioning element receives the housing-associated blade with form fit in two different transverse directions relative to the longitudinal axis of the filter medium body. The positioning element has a positioning recess. 1. A hollow filter element for insertion into an openable filter housing , the hollow filter element comprising:a filter medium body embodied as a hollow body surrounding an inwardly positioned flow space and comprising a longitudinal axis;at least one end disk connected to and covering an axial end face of the filter medium body;a positioning element arranged at the at least one end disk and configured to interact with a housing-associated blade of the filter housing;wherein the positioning element is configured to receive the housing-associated blade with form fit in two different transverse directions relative to the longitudinal axis of the filter medium body;wherein the positioning element comprises a positioning recess.2. The hollow filter element according to claim 1 , wherein the positioning element projects past the at least one end disk in a radial direction relative to the longitudinal axis of the filter medium body.3. The hollow filter element according to claim 1 , wherein the positioning element projects past a rim region of the at least one end disk in an axial direction relative to the longitudinal axis of the filter medium body.4. The hollow filter element according to claim 1 , wherein the positioning recess is a circumferentially closed positioning recess.5. The hollow filter element according to claim 1 , wherein ...

Air Vent Remora Air Filtering System

An indoor external air filtering and fragrance diffusing system composed of a cage like apparatus that attaches to an existing air vent and holds in place air filter. The present invention includes a device to hold a filter from the exterior of a conventional air vent, allowing the airflow into a room from the central air system and a customized air filter. The present invention incorporates a variety of air filters that can be adapted to the specific needs of a user. One variation of the filter contains an embodiment that is comprised of absorbent material where a fragrance of choice can be added. Yet another variation of the filter contains an embodiment of absorbent material that already contains fragrance.

Flat Air Filter Element and Air Filter

A flat air filter element for an air filter has a filter medium of cellulose material and a sealing element extending circumferentially about the filter medium. Sealing element and filter medium have at least one recess at an outer contour of the flat air filter element. The sealing element has a circumferentially extending holding groove to be engaged by a housing part of a filter housing. The filter housing has a housing pot, a housing cover to cover the housing pot, and a closure element for closing the filter housing. The flat air filter element is secured in the closed state of the filter housing by circumferentially clamping the sealing element between housing pot and housing cover. The circumferentially extending holding groove of the sealing element is engaged by housing pot or housing cover. The closure element of the filter housing is arranged in the region of the recess. 1. A flat air filter element comprising:a filter medium of cellulose material;a sealing element arranged at the filter medium and extending circumferentially about the filter medium:wherein the sealing element and the filter medium comprise at least one recess at an outer contour of the flat air filter element;wherein the sealing element comprises a circumferentially extending holding groove configured to be engaged by a housing part of a filter housing.2. The flat air filter element according to claim 1 , wherein the at least one recess is formed at a corner region of the flat air filter element.3. The flat air filter element according to claim 2 , wherein the at least one recess is a bevel.4. The flat air filter element according to claim 1 , wherein the at least one recess is formed at a lateral edge of the flat air filter element.5. The flat air filter element according to claim 4 , wherein the at least one recess is formed centrally at the lateral edge.6. The flat air filter element according to claim 1 , wherein the at least one recess is a curved indentation.7. The flat air filter ...

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. 1. A pleated filter media extending in an axial direction , a transverse direction that is perpendicular to the axial direction , and a lateral direction that is perpendicular to the axial direction and perpendicular to the transverse direction , the pleated filter media comprising:a plurality of pleats comprised of pleat segments extending in the axial direction between first and second axial ends and extending in the transverse direction between first and second sets of pleat tips, the plurality of pleats including a curvilinear portion that joins one of the first and second axial ends to one of the first and second sets of pleat tips.2. The pleated filter media according to claim 1 , wherein a width of the plurality of pleats in the transverse direction varies at least along a portion of the plurality of pleats.3. The pleated filter media according to claim 1 , wherein the curvilinear portion is a smooth curvilinear portion.4. The pleated filter media according to claim 1 , comprising a seal on the curvilinear portion.5. The pleated filter media according to claim 1 , wherein the curvilinear portion is one of two opposing curvilinear portions joining the first axial end to the first set of pleat tips and joining the second axial end to the second set of pleat tips claim 1 , respectively.6. The pleated filter media according to claim 1 , wherein the portion of the plurality of pleats comprises a linear portion extending at an angle to ...

Air purifier with hinged filter frame

The present invention provides an air purifier. The air purifier according to one preferred embodiment, of the present invention may comprise: a housing; a blowing unit installed in the housing so as to draw in external air; and a filter unit having filtering surfaces, through which the air passes and which are disposed in multiple directions, and an air inflow space, which has at least a part thereof surrounded by the filtering surfaces disposed in the multiple directions and into which the air discharged from, the blowing unit flows.

METHODS FOR REMOVING OVERSPRAY FROM AIR FLOW EXITING PAINTING BOOTHS

A method for removing overspray from air flow exiting a painting booth may include passing the air flow through an incoherent mass of cleaning elements, which are kept in a stirred condition, so as to release the overspray onto the cleaning elements of the incoherent mass. 112-. (canceled)13. A method for removing overspray from air flow exiting a painting booth , the method comprising:passing the air flow through an incoherent mass of cleaning elements, which are kept in a stirred condition, so as to release the overspray onto the cleaning elements of the incoherent mass.14. The method of claim 13 , wherein the cleaning elements have a size that is between 100 and 10 claim 13 ,000 times greater than an average size of paint droplets which form the overspray.15. The method of claim 13 , further comprising:producing the cleaning elements from combustible material;using the cleaning elements in the air flow in order to remove the overspray;extracting the paint-soiled cleaning elements; andburning the extracted cleaning elements, the paint on the extracted cleaning elements, or the extracted cleaning elements and the paint on the extracted cleaning elements.16. The method of claim 15 , wherein during the burning claim 15 , thermal energy is recovered claim 15 , electricity is produced claim 15 , or the thermal energy is recovered and the electricity is produced.17. The method of claim 13 , wherein the overspray comprises liquid paint.18. The method of claim 13 , wherein an average size of paint droplets which form the overspray is greater than or equal to 7×10meters and less than or equal to 1.5×10meters.19. The method of claim 14 , wherein the paint droplets comprise liquid paint.20. The method of claim 13 , wherein the cleaning elements have a size that is between 500 and 5 claim 13 ,000 times greater than an average size of paint droplets which form the overspray.21. The method of claim 13 , wherein the cleaning elements have a size that is about 1 claim 13 ,000 ...

COUGH SPREAD CONTROL DEVICE

Disclosed is a device to control the spread of airborne pathogens emanating from a cough. The device has an elongated substantially hollow body comprising a longitudinal axis and opposite proximal and distal openings. The proximal opening defines a region for engaging the device with the mouth of a user that allows exhaled air from a cough to enter an interior space of the elongated body. An end member is removably engaged to the distal opening of the elongated body. The end member has an elongated substantially hollow body comprising a longitudinal axis connecting a proximal opening and a distal wall. The proximal opening of the end member is engaged with the distal opening of the elongated body. The distal wall of the end member has one or more openings to permit air flow therethrough. A filter element is positioned within the end member adjacent the distal wall. 1. A device to control the spread of airborne pathogens from a cough , comprising:an elongated substantially hollow body comprising a longitudinal axis and opposite proximal and distal openings, and wherein the diameter of said elongated body has an increasing diameter along at least a portion of the longitudinal axis;an end member removably engaged to said distal opening of said elongated body, said end member comprises an elongated substantially hollow body comprising a longitudinal axis connecting a proximal opening and a distal wall, said proximal opening of said end member is engaged with said distal opening of said elongated body, said distal wall has a plurality of openings to permit air flow therethrough; anda filter member positioned within said end member adjacent said distal wall.2. The device of claim 1 , wherein said proximal opening of said elongated body has a substantially oval-shaped configuration.3. The device of claim 1 , wherein said distal opening of said elongated body has a substantially round configuration.4. The device of claim 1 , wherein said end member is engaged around an ...

Filter Device, in Particular Gas Filter

A filter device has an annular filter element with a filter medium body for radial fluid flow relative to a longitudinal axis. A sealing element arranged at an end face of the filter medium body seals relative to a housing component of a filter housing receiving the filter element. The sealing element has support walls delimiting a slit between them. The housing component has a receiving groove engaging across the sealing element and provided with opposed side walls. The housing component has a support rib projecting into slit. The support walls each have a first support surface at a side facing the slit and a second support surface at a side facing away from the slit. The side walls of the receiving groove are radially supported at the second support surfaces of the support walls. The support rib is supported radially at the first support surfaces of the support walls. 1. A filter device comprising:an annular filter element comprising a filter medium body configured to be flowed through in a radial direction by a fluid to be cleaned relative to a longitudinal axis of the annular filter element;at least one sealing element arranged at an end face of the filter medium body and configured to seal relative to a housing component of a filter housing configured to receive the annular filter element;wherein the at least one sealing element comprises support walls delimiting at least one slit between the support walls;wherein the housing component comprises a receiving groove engaging across the at least sealing element, wherein the receiving groove comprises opposed side walls;wherein the housing component further comprises a support rib projecting into the at least one slit;wherein the support walls each have a first support surface at a first side facing the at least one slit and a second support surface at a second side facing away from the at least one slit;wherein the side walls of the receiving groove are supported at the second support surfaces of the support walls ...

Annular Filter Element, in Particular for Gas Filtration

An annular filter element has a filter medium body configured to be flowed through by a fluid to be purified in a radial direction. A sealing element is arranged at the end face of the filter medium body and extends circumferentially around the end face. The sealing element has at least one first sealing section comprising a massive and large cross-sectional area and one or more second sealing sections with a cross-sectional area that is at least partially reduced in comparison to the large cross-sectional area. The one or more second sealing sections include a second sealing section with a groove-type recess, wherein the groove-type recess extends at least approximately across a length of the second sealing section with the groove-type recess or across a portion of said length. 1. An annular filter element comprising:a filter medium body configured to be flowed through by a fluid to be purified in a radial direction and comprising an end face;a sealing element arranged at the end face of the filter medium body and extending circumferentially around the end face;the sealing element comprising at least one first sealing section comprising a massive and larger cross-sectional area and one or more second sealing sections comprising a cross-sectional area that is at least partially reduced in comparison to the larger cross-sectional area;wherein the one or more second sealing sections include a second sealing section with a groove-type recess, wherein the groove-type recess extends at least approximately across a length of the second sealing section with the groove-type recess or across a portion of said length.2. The annular filter element according to claim 1 , wherein the one or more second sealing sections have a greater length than the at least one first sealing section.3. The annular filter element according to claim 1 , wherein the filter medium body has an oval or ovalized shape.4. The annular filter element according to claim 1 , wherein the filter medium body ...

OVAL FILTER WITH EXTERIOR ELLIPTICAL RADIAL SEAL AND INTERNAL SUPPORT STRUCTURE

Various embodiments relate to a filter element. The filter element includes a first endplate that defines a first endplate opening and a second endplate. Filter media is positioned between and extending axially between the first endplate and the second endplate. The filter media defines a central opening extending axially therein. A support structure is disposed within the central opening of the filter media and is attached to the first endplate and the second endplate. The support structure includes an axial lobed extension that extends from a first end of the support structure to a second end of the support structure. The support structure is configured to resist collapse of the filter element. 1. A filter element comprising:a first endplate defining a first endplate opening;a second endplate;filter media positioned between and extending axially between the first endplate and the second endplate, the filter media defining a central opening extending axially therein; anda support structure disposed within the central opening of the filter media and attached to the first endplate and the second endplate, the support structure comprising an axial lobed extension that extends from a first end of the support structure to a second end of the support structure, the axial lobed extension comprising a unitary extension member comprising an undulating and alternating series of first lobes and second lobes, the first lobes laterally offset from the second lobes, the support structure configured to resist collapse of the filter element.2. The filter element of claim 1 , wherein the first lobes are offset from a central axis of the unitary extension member in a first lateral direction claim 1 , and wherein the second lobes are offset from the central axis of the unitary extension member in a second lateral direction opposite the first direction.3. The filter element of claim 2 , wherein each first lobe includes a first angled portion claim 2 , a second angled portion claim 2 , ...

Particulate Filter and Methods for Removing Particulates from a Particulate Filter

In an example, a particulate filter includes a porous filter substrate including a first surface and a second surface. The porous filter substrate is configured to filter gas flowing through the porous filter substrate between the first surface and the second surface. A plurality of conductors are coupled to the porous filter substrate. The plurality of conductors are approximately parallel to each other along the porous filter substrate. The particulate filter also includes a plurality of input nodes in signal communication with the plurality of conductors and configured to receive a voltage signal from an input signal source. The plurality of conductors are configured to generate an electric field on at least one of the first surface or the second surface of the porous filter substrate in response to the plurality of input nodes receiving the voltage signal from the input signal source. 1. A filter system , comprising: a porous filter substrate comprising a first surface and a second surface, wherein the porous filter substrate is configured to filter a gas flowing through the porous filter substrate between the first surface and the second surface;', 'a plurality of conductors coupled to the porous filter substrate, wherein the plurality of conductors are approximately parallel to each other along the porous filter substrate; and', 'a plurality of input nodes in signal communication with the plurality of conductors and configured to receive a voltage signal from an input signal source, wherein the plurality of conductors are configured to generate an electric field on at least one of the first surface or the second surface of the porous filter substrate in response to the plurality of input nodes receiving the voltage signal from the input signal source; and, 'a particulate filter comprisingan electromagnetic field generator positioned upstream of the particulate filter along a flow path of the gas,wherein the electromagnetic field generator is operable to ...

Particulate Filter and Methods for Removing Particulates from a Particulate Filter

In an example, a particulate filter includes a porous filter substrate including a first surface and a second surface. The porous filter substrate is configured to filter gas flowing through the porous filter substrate between the first surface and the second surface. A plurality of conductors are coupled to the porous filter substrate. The plurality of conductors are approximately parallel to each other along the porous filter substrate. The particulate filter also includes a plurality of input nodes in signal communication with the plurality of conductors and configured to receive a voltage signal from an input signal source. The plurality of conductors are configured to generate an electric field on at least one of the first surface or the second surface of the porous filter substrate in response to the plurality of input nodes receiving the voltage signal from the input signal source.

SUCTION GRIPPER DEBRIS FILTER

In one embodiment, a material sorting system comprises: a suction gripper assembly, the suction gripper comprising: a body assembly that includes: an internal airflow passage configured to communicate an airflow between an airflow application port positioned at a first end of the body assembly and a gripping port positioned at the opposing second end of the body assembly; a cup fitting attached to the gripping port; a suction cup secured to the cup fitting; an attachable filer inserted into the suction cup and fastened to the cup fitting; and a mounting assembly, wherein the mounting assembly includes one or more mounting points for pivotally attaching the suction gripper assembly to a sorting robot of the material sorting system. 1. (canceled)2. A system , the system comprising: an internal airflow passage configured to communicate an airflow between an airflow application port positioned at a first end of the suction gripper assembly and a gripping port positioned at a second end of the suction gripper assembly;', 'a cup fitting attached to the gripping port; and', 'an attachable filter coupled to the cup fitting., 'a suction gripper assembly comprising3. The system of claim 2 , wherein the attachable filter is coupled to the cup fitting by one or more of the following: a threaded connection claim 2 , a twist cam claim 2 , or a set screw.4. The system of claim 2 , wherein the suction gripper assembly further includes a suction cup coupled to the cup fitting and wherein the suction gripper assembly is inserted into the suction cup.5. The system of claim 4 , wherein the suction cup comprises a bellows suction cup.6. The system of claim 4 , wherein the attachable filter extends from the cup fitting into the suction cup to at least partially restrict compression of the suction cup.7. The system of claim 2 , wherein the attachable filter comprises a suction application surface that includes a plurality of holes.8. The system of claim 7 , wherein the plurality of holes ...

FILTER ELEMENT, DUST COLLECTOR, AND METHODS

A filter element includes a media pack and a gasket member. The gasket member includes first and second gasket regions separated by a channel. The elements are usable in a dust collector having a dirty air inlet, a clean air outlet, and a tubesheet dividing between an unfiltered and a clean air volume. An element is removably mounted and sealed within the tube sheet. At least one projection angled relative to a plane of the tube sheet extends into the channel of the gasket member. A method of servicing a dust collector includes removing a first filter element from the tube sheet in the housing, and then sealing a second filter element against the tube sheet by orienting at least one projection extending from a plane of the tube sheet into a channel defined by a gasket member secured to the second filter element. An axial force is exerted to form a seal between the gasket member and the tube sheet. 1. A panel-style filter element comprising:(a) a media pack having first and second opposite axial ends and a side extending between the first and second axial ends; and (i) the first gasket region being nearer the media pack than the second gasket region;', (A) a length of at least 0.3 inch as measured from an end of one of the first and second gasket regions; and', '(B) a width of at least 0.15 inch as measured between the first and second gasket regions;, '(ii) the channel being an open volume between the first and second gasket regions and including], '(b) a gasket member adjacent to the side; the gasket member including first and second gasket regions separated by a channel;'} (i) the first axial gasket region being adjacent to the first axial end of the media pack;', '(ii) the second axial gasket region defining the channel; and, '(c) the gasket member further including first and second opposite axial gasket regions;'}wherein the gasket member defines at least one protrusion-receiving hole.2. A filter element according to wherein the at least one protrusion-receiving ...

Vacuum cleaner and filter for a vacuum cleaner

A vacuum cleaner including a suction inlet, a conduit in fluid communication with the suction inlet, a filter having a valve releasably connected to a filter inlet, the filter configured to collect debris drawn through the suction inlet. The vacuum cleaner further comprising a release mechanism moveable from a first position to a second position. In the first position, the filter is in fluid communication with the conduit to collect debris with the valve being open, and in the second position, the filter is disconnected from the conduit with the valve being closed. Movement of the release mechanism between the first and second positions closes the valve.

VACUUM CLEANER FILTER CARTRIDGE

The present invention relates to the field of machines for cleaning, particularly vacuum cleaning devices. There is disclosed a filter cartridge for a vacuum cleaner comprising first and second opposite end walls, a side wall or walls which extend between the end walls so as to define an enclosure which surrounds a filter interior, wherein one or more of the walls comprises filter membrane material, the cartridge having an opening provided through the first end wall for receiving air-entrained detritus into the interior, the opening being defined by a rigid support structure which spans and supports the first end wall of the cartridge. The cartridge typically includes a non-return valve which closes when suction is removed so as to help prevent collected detritus escaping from the filter cartridge interior. The valve may comprise a conical valve with flexible facets, or a cantilever flap.

Disc tube reverse osmosis module

A disc tube reverse osmosis module is provided. In various embodiments, deflector disc assemblies and associated membranes are sequentially alternately disposed from top to bottom. The upper flange is in sealing connection with the central pull rod, the upper lock nut is in threaded connection with an upper end of the central pull rod and located above the upper flange, the yielding water collecting pipe sleeves the central pull rod and is in sealing connection with a lower side of the lower flange, the lower lock nut is in threaded connection with a lower end of the central pull rod, an end of the yielding water receiving pipe is fixedly connected to the yielding water collecting pipe, an inner surface of the shell is respectively in sealing connection with the upper flange and the lower flange, and the water inlet receiving pipe and the concentrated liquid receiving pipe are fixed to the lower flange.

FILTER ELEMENT, DUST COLLECTOR, AND METHODS

A filter element includes a media pack and a gasket member. The gasket member includes first and second gasket regions separated by a channel. The elements are usable in a dust collector having a dirty air inlet, a clean air outlet, and a tubesheet dividing between an unfiltered and a clean air volume. An element is removably mounted and sealed within the tube sheet. At least one projection angled relative to a plane of the tube sheet extends into the channel of the gasket member. A method of servicing a dust collector includes removing a first filter element from the tube sheet in the housing, and then sealing a second filter element against the tube sheet by orienting at least one projection extending from a plane of the tube sheet into a channel defined by a gasket member secured to the second filter element. An axial force is exerted to form a seal between the gasket member and the tube sheet. 1. A filter element retainer for a filter element having opposite , axial flow faces; the retainer comprising:(a) a base plate defining an opening sized to expose a flow face of the filter element;(b) a fastener arrangement configured to attach to a tube sheet; the fastener arrangement constructed and arranged to exert an axial force against the base plate and form a seal between the filter element and the tube sheet, when the filter element is operably positioned therein; and(c) an accumulator secured to the base plate and oriented to retain a pulse of gas over the flow face of the filter element, when the filter element is operably positioned therein.2. The retainer of wherein the accumulator includes a hood secured to the base plate of the filter element retainer; the hood including a wall extending above the opening in the base plate; the wall having an end secured to the base plate and defining an open mouth.3. The retainer of wherein the fastener arrangement includes a pair of thumbscrews extending through the base plate.4. The retainer of wherein the base plate ...

Filter and Filter Cartridge

A filter cartridge for a filter for filtration of a fluid has a prismatic basic shape with a base face and a top face arranged parallel to each other and each having a polygonal basic shape. The prismatic basic shape is provided with a first lateral face and a second lateral face neighboring the first lateral face, wherein the first lateral face is an inflow surface and is substantially positioned perpendicular to the neighboring second lateral face. The prismatic basic shape has a third lateral face that is an outflow surface and is positioned at an angle relative to the first lateral face, wherein the angle is greater than 10° and smaller than 80°. A filter with such a filter cartridge is disclosed. 1. A filter cartridge for a filter for filtration of a fluid , the filter cartridge comprising:a prismatic basic shape comprising a base face and a top face arranged parallel to each other and each having a polygonal basic shape;the prismatic basic shape further comprising a first lateral face and a second lateral face neighboring the first lateral face, wherein the first lateral face is an inflow surface and is substantially positioned perpendicular to the neighboring second lateral face;the prismatic basic shape further comprising a third lateral face that is an outflow surface and is positioned at an angle relative to the first lateral face, wherein the angle is greater than 10° and smaller than 80°.2. The filter cartridge according to claim 1 , wherein the polygonal basic shape is a triangle claim 1 , a quadrangle claim 1 , or a pentagon.3. The filter cartridge according to claim 2 , wherein the polygonal basic shape is a quadrangle and comprises a fourth lateral face positioned parallel to and opposite the second lateral face.4. The filter cartridge according to claim 1 , further comprising a zigzag-shaped folded filter medium comprising folds.5. The filter cartridge according to claim 4 , wherein the folds comprise outer fold edges claim 4 , positioned on the ...

Filter and Filter Cartridge

A filter cartridge for a filter for filtering of fluid is provided with an inflow surface, an outflow surface, and a main flow direction extending from the inflow surface to the outflow surface. A filter body is provided. A filter cartridge frame supports the filter body. A seal is disposed on the filter cartridge frame in the area of the outflow surface and separates a filter interior of a filter into a clean side and a raw side. A spacer structure is provided that determines a spacing between the filter cartridge frame and a further downstream filter cartridge in the main flow direction. Another configuration of the filter cartridge is provided that has an edge protection extending externally circumferentially about the filter cartridge frame in the area of the inflow surface. The edge protection connects the filter body and the filter cartridge frame with each other.

Filter Element, Especially for Gas Filtration

A filter element has a filter medium body with a plurality of filter segments that are joined to one another, of which at least two filter segments run adjacent and delimit an interposing intermediate space in which a support element is arranged for support on a housing component.

Filter Holder, Filter Element and Filter Arrangement

A filter holder () for a filter element () that has an oval-shaped cross section transverse to a longitudinal direction (LR) thereof, with a receiving section () for receiving the filter element (), a fluid inlet () for allowing fluid (L) to be filtered into the filter holder (), and a fluid outlet () for letting the fluid (L) filtered with the aid of the filter element () out of the filter holder (), wherein the fluid inlet () is arranged such that an inflow direction (E) of the fluid (L) to be filtered is oriented in the direction of a lateral surface () of the filter element () that can be received in the receiving section (), whereby the fluid (L) to be filtered flows tangentially around the filter element () that can be received in the receiving section () in order to separate particles () contained in the fluid (L) to be filtered on a wall () of the receiving section () with the aid of centrifugal force. 1. A filter element for filtering a fluid , the filter element comprising:an oval-shaped cross section transverse to a longitudinal direction (LR) thereof;{'b': '7', 'a first end plate ();'}{'b': '8', 'a second end plate ();'}{'b': 4', '7', '8, 'a filter medium () arranged between the first end plate () and the second end plate ();'}{'b': 3', '12', '4, 'wherein the filter element () has an incident-flow guard () that covers the filter medium () at least partially.'}2. The filter element as set forth in claim 1 , wherein{'b': 12', '4, 'the incident-flow guard () is adhesively fixed onto, welded or fused onto the filter medium ().'}3. The filter element as set forth in claim 1 , wherein{'b': '12', 'the incident-flow guard () is fluid-tight, impermeable to fluid flow through the incident-flow guard.'}4. The filter element as set forth in claim 1 , wherein{'b': 12', '4, 'the incident-flow guard () is formed as an annular ring closing around a filter body () of the filter element.'}5. The filter element as set forth in claim 1 , wherein{'b': '3', 'claim-text': {'b ...

Collapsible Disposable Filter

The addition of a medial longitudinal score line (hinge point) along the longitudinal channels of the filter frame allows for thinner media and/or collapsing the frame on itself which will reduce scrap, save space and save tremendously on shipping costs. The additional score line can be a cut score, skip score, crush score or liquid line. The collapsed filter frame expands upon sliding into the channels of the filter frame media holder whereby the filter frame expands and widens to fit the filter assembly.

Filter Device, Especially Air Filter

A filter device comprises a filter element in a filter housing, wherein the filter housing is to be closed by a cover element. A friction section of the cover element, in an intermediate position between closed and open positions, is in friction contact with a friction member while in the closed position of the cover element the friction section is without friction contact with the friction member.

Air Filter Element Having a Circumferentially Protruding Clean Air Seal, Filter Housing and Air Filter

An air filter element for an air filter for an internal combustion engine is provided with a filter medium surrounding annularly a longitudinal axis of the air filter element. A first end disk is provided at a first end face of the air filter element, wherein the filter medium is embedded in the first end disk at the first end face. A clean air seal is configured to seal a raw side of the air filter against a clean side of the air filter. The clean air seal and the first end disk are embodied together as one piece. The clean air seal protrudes continuously radially past the filter medium. A filter housing for the air filter element is provided with a filter pot and a cover and has a clean air outlet and a raw air inlet arranged at a side wall of the filter pot.

AIR PURIFIER WITH HINGED FILTER FRAME

The present invention provides an air purifier. The air purifier according to one preferred embodiment, of the present invention may comprise: a housing; a blowing unit installed in the housing so as to draw in external air; and a filter unit having filtering surfaces, through which the air passes and which are disposed in multiple directions, and an air inflow space, which has at least a part thereof surrounded by the filtering surfaces disposed in the multiple directions and into which the air discharged from, the blowing unit flows. 1. An air purifier , comprising:a housing;a blowing unit installed in the housing to intake external air; anda filter unit including a filter frame and a filter member mounted on the filter frame, the filter member having four filtering surfaces to filter air within the air purifier,wherein the filter frame includes:a first frame including a first side and a second side that is opposite to the first side,a second frame including a first side and a second side that is opposite to the first side, the first side of the second frame being rotatably connected to the second side of the first frame,a third frame including a first side and a second side that is opposite to the first side, the first side of the third frame being rotatably connected to the second side of the second frame, anda fourth frame including a first side and a second side that is opposite to the first side, the first side of the fourth frame being rotatably connected to the second side of the third frame and the second side of the fourth frame being rotatably connected to the first side of the first frame,wherein the filter member includes:a first filter member mounted on the first frame,a second filter member mounted on the second frame,a third filter member mounted on the third frame, anda fourth filter member mounted on the fourth frame,wherein each of the first frame, the second frame, the third frame, and the fourth frame is configured in the form of a frame ...

EXHAUST GAS PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE HAVING TURBOCHARGER

The invention relates to an exhaust gas purification system applied to an internal combustion engine. The engine has a turbocharger including a turbine wheel and a housing for housing the turbine wheel. The housing defines a turbine outlet passage communicating with an exhaust gas discharging part of the turbine wheel. The engine further has an exhaust passage part communicating with an exhaust gas outlet of the turbine outlet passage. The system comprises an exhaust gas purification apparatus disposed in the exhaust passage part at a position adjacent to the exhaust gas outlet of the turbine outlet passage. Further, the apparatus includes an exhaust gas purification member. The member is provided such that its density in a peripheral part of the exhaust passage part is larger than that in a central part of the exhaust passage part and a flow passage resistance per unit volume of the member at an area of the central part of the exhaust passage part is smaller than that at an area of the peripheral part of the exhaust passage part. 1. An exhaust gas purification system applied to an internal combustion engine , having:(a1) a turbocharger including a turbine wheel and a housing for housing said turbine wheel, said housing defining a turbine outlet passage communicating with an exhaust gas discharging part of said turbine wheel, and(a2) an exhaust passage part communicating with an exhaust gas outlet of said turbine outlet passage, (b1) said exhaust passage part at a position adjacent to said exhaust gas outlet of said turbine outlet passage; and/or', '(b2) said turbine outlet passage and including an exhaust gas purification member relating to the purification of the exhaust gas,, 'said exhaust gas purification system comprising an exhaust gas purification apparatus for purifying an exhaust gas discharged from said engine, said exhaust gas purification apparatus being disposed in (c1) a density of said exhaust gas purification member located in a peripheral part of ...

Air Filter with Outlet Receiver and Housing Assembly Incorporating Same

An air filter element fits upon an air cleaner housing with a bar element that is received into the outlet face of the air filter element. The air filter element has a receiver extending into the outlet face to accommodate the bar. In the case of a deep pleated pack for the filter element, a widened split may be provided to accommodate the bar. A protective member that can be provided as part of a basket may project into the outlet face to protect the air filter element pack at the receiver. 1. An air filter element , comprising:a filter media pack defining an inlet face and an outlet face, the filter media pack including filter media extending between the inlet face and the outlet face;a housing seal extending around a periphery of the filter media pack to form a quadrilateral shape, the housing seal being positioned proximate the inlet face and distal from the outlet face; anda receiver defined into the filter media pack and extending into the outlet face.2. The air filter element of claim 1 , wherein the filter media pack has a quadrilateral shape with a pair of short sides and a pair of long sides claim 1 , the long sides being longer than the short sides claim 1 , the receiver extending longitudinally transversely between the short sides.3. The air filter element of claim 1 , wherein the filter media pack comprises:a width across the inlet face of between 5 and 75 centimeters;a length across the inlet face that is perpendicular to the width of between 10 and 75 centimeters;a depth perpendicular to the width and the length, the depth being between 10 and 40 centimeters.4. The air filter element of claim 1 , wherein the filter media pack comprises a filter media sheet that is gathered to provide a plurality of layers claim 1 , including a spacing of at least 2 layers of the filter media sheet per centimeter as measured across the inlet face and the outlet face claim 1 , wherein the receiver comprises a gap at the outlet face between adjacent members of the layers ...

SELF CLEANING LINT FILTER FOR RECIRCULATING CONDENSER DRYER

A laundry treatment appliance includes a cabinet, a door to selectively open and close the cabinet, a tub mounted within the cabinet, a drum rotatably mounted within the tub, an air circulation duct provided in the cabinet and having a first end connected to an air outlet of the tub and a second end connected to an air inlet of the tub, and a filter provided within the air circulation duct. The filter defines a cool air end having a perimeter thereof attached to an interior wall of the circulation duct and a warm air end having a perimeter thereof spaced apart from the interior wall of the circulation duct, and the second end is positioned below the first end in a vertical direction. 1. A laundry treatment appliance , comprising:a cabinet;a door to selectively open and close the cabinet;a tub mounted within the cabinet;a drum rotatably mounted within the tub;an air circulation duct provided in the cabinet and having a first end connected to an air outlet of the tub and a second end connected to an air inlet of the tub; anda filter provided within the air circulation duct, the filter defining a cool air end having a perimeter thereof attached to an interior wall of the circulation duct and a warm air end having a perimeter thereof spaced apart from the interior wall of the circulation duct, wherein the second end is positioned below the first end in a vertical direction.2. The laundry treatment appliance of claim 1 , wherein the air circulation duct comprises a condensing duct provided at a rear of the tub and a heating plenum provided at a top of the tub.3. The laundry treatment appliance of claim 2 , wherein the condensing duct is arranged vertically within the cabinet having a lower end located at a bottom of the tub and an upper end located at a top of the tub.4. The laundry treatment appliance of claim 3 , wherein the filter is provided in the condensing duct.5. The laundry treatment appliance of claim 4 , further comprising:a blower fan provided within the ...

AIR PURIFIER WITH HINGED FILTER FRAME

The present invention provides an air purifier. The air purifier according to one preferred embodiment, of the present invention may comprise: a housing; a blowing unit installed in the housing so as to draw in external air; and a filter unit having filtering surfaces, through which the air passes and which are disposed in multiple directions, and an air inflow space, which has at least a part thereof surrounded by the filtering surfaces disposed in the multiple directions and into which the air discharged from, the blowing unit flows. 1. A filter unit , comprising:a filter frame; anda filter member mounted on the filter frame, the filter member having four filtering surfaces to filter air,wherein the filter frame includes:a first frame;a second frame of which one side is rotatably connected to one side of the first frame;a third frame of which one side is rotatably connected to other side of the first frame; anda fourth frame of which one side is rotatably connected to other side of the second frame, and of which other side is hinge-combined with other side of the third frame,wherein when an angle between the first frame and the second frame increases and an angle between the third frame and the fourth frame increases, an angle between the first frame and third frame decreases and an angle between the second frame and the fourth frame decreases, andwherein when the angle between the first frame and the second frame decreases and the angle between the third frame and the fourth frame decreases, the angle between the first frame and third frame increases and the angle between the second frame and the fourth frame increases.2. The filter unit of claim 1 , wherein when the second frame rotates between an upper limit and a lower limit of a first range of a rotation angle with respect to the first frame claim 1 , the third frame rotates between an upper limit and a lower limit of a second range of a rotation angle with respect to the first frame claim 1 ,wherein when the ...

Air conditioner

Disclosed herein is an air conditioner including a suction panel which includes a suction port through which air is suctioned in inside a housing. The suction panel is formed to rotate with an axial direction of an air blowing fan or a direction perpendicular to the axial direction of the air blowing fan as a rotation axis to be coupled with or separated from the housing. Accordingly, a user may easily and intuitively separate the suction panel and falling of the suction panel, which may occur when the suction panel is separated, may be effectively reduced using a supporting unit disposed at the suction panel. Also, the housing and cover members which cover an outer perimeter of a lower portion of the housing may be coupled with each other by pressurizing the cover members toward the housing, thereby allowing the user to easily coupled the cover members.

Surgical Suction Filter

A filter assembly for use with a surgical suction tool for removing fluid and debris from a surgical site includes a conical filter element with a plurality of orifice arrays spaced along the length of the conical body with successively decreasing orifice diameters. The filter element includes an annular flange at the mouth of the filter element that is clamped between a container and a cap. The container includes conically tapered wall to define a radial space between the container and the filter element to permit fluid flow around the filter element and through the container to an outlet tube fitting. A cap covers the mouth of the container with a threaded interface defined between the cap and the container. The threaded interface includes a dual pitch triple lead thread with a coarse lead-in pitch and a fine trailing pitch. 1. A filter assembly for use with a surgical suction tool for removing fluid and debris from a surgical site , the filter assembly comprising:a filter element having an elongated truncated conical body including a mouth at one end, a closed bottom at an opposite end and a conically tapered wall between the mouth and bottom to define an interior chamber, the tapered wall defining a plurality of orifice arrays spaced along the length of the conical body, each of the plurality of orifice arrays including a plurality of orifices through the wall, the plurality of orifices in each orifice array having a successively decreasing diameter with each successive orifice array along the length of the body, the filter element further including an annular flange at the mouth of the filter element;a container for receiving the filter element, the container including a cylindrical upper wall defining a mouth, a conically tapered wall integral with the cylindrical upper wall and a conical bottom wall integral with the conically tapered wall and terminating in an outlet tube fitting adapted to engage a surgical tube connected to a suction source and/or a fluid ...

Systems and methods for controlling particulate release from large equipment

A containment system for reducing the release of harmful respirable particles through surface openings in equipment that carries sand includes a filter-receiving member configured to be coupled over an opening in a surface of the equipment and a filter member configured to be coupled to the filter-receiving member. The filter-receiving member can have a first side, a second side, and a passageway extending from the first side to the second side. The filter can have a porosity that permits air to flow through the filter member and restricts the flow of solid particulates.

Air Intake Assembly and Methods Thereof

Disclosed herein are air intake assemblies for internal combustion engines. In some embodiments, an air intake assembly includes an air filter configured to produce filtered air, a sealed filter housing configured to house the air filter therein, and an intake tube configured to convey the filtered air to an internal combustion engine. The filter housing includes an air intake port configured to provide intake air to the air filter. The air filter is configured to remove particulate matter from the intake air and produce the filtered air, The air filter includes a multi-component coupling interface configured to accept an intake-end portion of the intake tube in the coupling interface. The filter housing includes an aperture configured to accept the coupling interlace of the air filter in the aperture. Also disclosed herein are methods of the air intake assemblies. 1. A method of installing an air intake assembly for an internal combustion engine in an engine compartment of a motor vehicle , comprising:obtaining an air filter of the air intake assembly, the air filter including a multi-component coupling interface;inserting the air filter into an aperture of a filter housing of the air intake assembly by way of the coupling interface of the air filter;placing the filter housing including the air filter in the engine compartment in place of another air intake assembly; andinserting an intake-end portion of an intake tube of the air intake assembly into the coupling interface of the air filter.2. The method of claim 1 , wherein inserting the air filter into the aperture of the filter housing includes inserting a coupling-interface spigot defined by an outer annular member of the coupling interface of the air filter into a filter-housing socket defined by a lip around the aperture of the filter-housing.3. The method of claim 1 , wherein the filter housing is sealed.4. The method of claim 1 , wherein the air intake portion is configured to provide intake air to the air ...

Filter Element, Element Frame of a Filter Element, Filter Bellows of a Filter Element, Filter Housing, and Filter

A fluid filter has a filter housing with inlet opening for fluid to be cleaned and outlet opening for cleaned fluid. A filter element arranged in an element receptacle of the filter housing separates inlet opening from outlet opening. The filter housing has a housing body with an installation opening to the element receptacle, through which the filter element in an installation direction is introduced into the element receptacle. The filter housing has a housing cover for closing the installation opening. The installation opening is arranged in a transverse side of the housing body that is lateral relative to the housing axis. The filter housing has a sealing surface, surrounding the housing axis at least partially circumferentially, for contacting a seal of the filter element. The filter element has a seal support device for the seal and the filter housing has a pressing device for the seal support device. 1. A filter element of a filter for a fluid , the filter element configured to be installed in a filter housing in an installation direction extending parallel or coaxial to an installation axis; the filter element comprising:an element axis that is perpendicular or transverse to the installation axis;a radial outer circumferential side radially arranged relative to the element axis;at least one filter bellows comprising at least one filter medium, wherein the at least one filter bellows comprises a first flow face and a second flow face for fluid, wherein one of the flow faces is an inflow face and a remaining one of the flow faces is an outflow face,wherein the first and second flow faces are arranged axially opposite each other at axially oppositely positioned sides of the at least one filter bellows relative to the element axis of the filter element, the element axis extending through the first and second flow faces,wherein radial, as used herein, is a direction transverse to the element axis, and axial, as used herein, is a direction parallel to the element ...

AIR FILTER ARRANGEMENT; ASSEMBLY; AND, METHODS

An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes facing media secured to fluted media. A preferred projection/receiver arrangement is described. Also, a useful seal arrangement is described. Air cleaner assemblies, methods of assembly and use are also provided. 1. (canceled)2. An air filter cartridge comprising: (i) the filter media pack includes filter media arranged between the first flow face and the second, opposite, flow face;', '(ii) the filter media pack having a rectangular cross-sectional shape, in a direction perpendicular to a central flow axis extending between the first flow face and the second, opposite, flow face; and', '(iii) the filter media pack comprising four sides extending between the first flow face and the second, opposite, flow face, wherein the four sides include a first pair of first and second opposite sides, and a second pair of first and second opposite sides;, '(a) a filter media pack having a first flow face and a second, opposite, flow face, wherein(b) a preform extending around the filter media pack, wherein the preform comprises a flange projecting outwardly from preform, and wherein the flange is integral with the preform;(c) a housing seal arrangement comprising a seal member located on the flange of the preform, and comprising an axial pinch seal, in use; and(d) a first member of a projection/receiver arrangement located on opposite ends of the air filter cartridge, the first member of the projection/receiver arrangement comprising a first side and a second side constructed to engage an air cleaner housing when the air filter cartridge is installed therein, wherein the first side and the second side extend at a converging angle.3. An air filter cartridge according to wherein:(a) the preform is adhered to the filter media pack along the second pair of first and second opposite sides of the filter media pack.4. An air filter cartridge according to wherein:(a) ...

ENDPOINT GAS LINE FILTER FOR SUBSTRATE PROCESSING EQUIPMENT

Methods and apparatus for delivering one or more gases to a process chamber are provided herein. In some embodiments a gas delivery system includes a process chamber having an inner volume; a gas source panel; a gas line coupling the inner volume to the gas source panel; and a first gas filter disposed along the gas line proximate the inner volume, wherein the first gas filter comprises a filter element body having a first end and a second end opposite the first end, and a filtration efficiency of about 1 to about 5 log reduction value (LRV). 1. A gas delivery system , comprising:a process chamber having an inner volume;a gas source panel;a gas line coupling the inner volume to the gas source panel; anda first gas filter disposed along the gas line proximate the inner volume, wherein the first gas filter comprises a filter element body having a first end and a second end opposite the first end, and a filtration efficiency of about 1 to about 5 log reduction value (LRV).2. The gas delivery system of claim 1 , wherein the first end of the first gas filter is attached to an endpoint of the gas line.3. The gas delivery system of claim 2 , wherein the first gas filter is housed in a gas hub.4. The gas delivery system of claim 1 , wherein the gas source panel further comprises a second gas filter having a filtration efficiency of about 9 LRV.5. The gas delivery system of claim 4 , wherein the gas line further comprisesa flow splitter located downstream of the second gas filter, and a plurality of first gas filters, located downstream of the flow splitter.6. The gas delivery system of claim 1 , wherein the first gas filter comprises a material having corrosion resistance to Cl claim 1 , O claim 1 , SiCl claim 1 , NF claim 1 , NH claim 1 , and CH.7. The gas delivery system of claim 1 , wherein the filter element body is made of a metal alloy comprising nickel claim 1 , chromium claim 1 , iron claim 1 , molybdenum claim 1 , cobalt claim 1 , and tungsten.8. The gas delivery ...

EXTRUDER ARRANGEMENT AND A METHOD OF FEEDING FEED MATERIAL INTO AN EXTRUDER

An extruder arrangement and a method of feeding feed material into an extruder. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. § 1.72(b). As stated in 37 C.F.R. § 1.72(b): A brief abstract of the technical disclosure in the specification must commence on a separate sheet, preferably following the claims, under the heading “Abstract of the Disclosure.” The purpose of the abstract is to enable the Patent and Trademark Office and the public generally to determine quickly from a cursory inspection the nature and gist of the technical disclosure. The abstract shall not be used for interpreting the scope of the claims. Therefore, any statements made relating to the abstract are not intended to limit the claims in any manner and should not be interpreted as limiting the claims in any manner. 1. An extruder for processing feed material , such as plastic , rubber , powder coatings , or powdered chalk , said extruder comprising:an extruding section;a feed section configured to feed feed material into said extruding section; [ a single-screw housing; and', 'a single screw being disposed in said single-screw housing;, '(A) a single screw extruder comprising, a planetary housing comprising an inner toothing;', 'a central spindle comprising an external toothing and being disposed in said planetary housing;', 'planetary spindles, each comprising an external toothing and being disposed in said planetary housing; and', 'said external toothing of said planetary spindles being configured to engage and mesh with said inner toothing of said planetary housing and said external toothing of said central spindle; and, '(B) a planetary screw extruder comprising, the feed material is received in (A) and further processed in (B), or', 'the feed material is received in (B) and further processed in (A);, '(C) a combination of first section comprising (A) and a second section comprising (B), wherein], 'said extruding section comprising one ofsaid feed section ...

MEDICAL FILTRATION SYSTEM

A filtration system may include a chamber and a filter disposed within an interior the chamber. A closed end, or a tip, of the filter may face an inlet into the interior of the chamber. An open end, or a base, of the filter may surround an outlet from the interior of the chamber. As a sample passes through the interior of the chamber, solid and/or semisolid material in the sample may be collected between an exterior surface of the filter and an interior surface of the chamber, and may be viewed through the chamber. 1. A filtration system that filters medical aspirant obtained from a body of a subject , comprising:a chamber with a distal side including an inlet port, a chamber interior in communication with the inlet port, and a proximal side including an outlet port in communication with the chamber interior; anda filter within the chamber interior, the filter being elongated and including an open end, a closed end, and a filter interior between the open end and the closed end, the closed end having a smaller dimension than the open end, the closed end being oriented toward the distal side of the chamber, the open end being oriented toward the proximal side of the chamber.2. The filtration system of claim 1 , wherein the chamber interior is cylindrical in shape and the filter is conical or frustoconical in shape.3. The filtration system of claim 1 , wherein a wall of the chamber is transparent.4. The filtration system of claim 1 , wherein a wall of the chamber is flexible.5. The filtration system of claim 1 , wherein the filter can slide within the chamber interior claim 1 , along a length of the chamber interior.6. The filtration system of claim 5 , further comprising:a spring within the chamber interior.7. The filtration system of claim 6 , wherein the spring comprises a compression spring within the chamber interior claim 6 , between the filter and the proximal side of the chamber.8. The filtration system of claim 1 , further comprising:an aspirator; anda tube ...

Handheld vacuum cleaner

A handheld vacuum cleaner including a suction inlet, a main body, a handle defined by a portion of the main body, a motor disposed within the main body operating a suction source, and a filter coupled to the main body. The filter is configured to separate debris from a flow of fluid drawn through the suction inlet. The filter includes a housing forming a first volume and a filter media forming a second inner volume. The filter media is coupled to the housing such that the first and second inner volumes together at least partially define a collection container configured to store debris separated by the filter media from the flow of fluid. The filter further includes an inlet opening that extends through the housing to provide fluid communication into the collection container such that the flow of fluid with the debris can flow into the collection container such that the flow of fluid with the debris can flow into the collection container and a relatively clean flow of fluid exits through the filter media.

FILTRATION ASSEMBLY AND SYSTEM

A filter includes filter media and defines an inner plenum. The inner plenum has a cross-sectional dimension extending crosswise of the filter. The cross-sectional dimension decreases from adjacent the upstream side toward to downstream wall to a location disposed intermediate the upstream side and the downstream wall. The cross-sectional dimension of the inner plenum increases from adjacent the intermediate location toward the downstream wall. 1. A filter comprising:an upstream side defining a first aperture;a downstream wall comprising filter media, a length of the filter extending between the upstream side and the downstream wall;at least one side wall comprising filter media and extending lengthwise between the front side and the back wall,wherein the front side, the downstream wall and the at least one side wall together define an inner plenum in flowable communication with the first aperture;wherein the inner plenum has a cross-sectional area extending crosswise of the filter, the cross-sectional area decreasing from adjacent the upstream side toward to downstream wall to a contracted location disposed intermediate the upstream side and the downstream wall, the cross-sectional area of the inner plenum increasing from adjacent the contracted location toward the downstream wall.2. The filter according to claim 1 , wherein the inner plenum has a generally hourglass shape in longitudinal section.3. The filter according to claim 1 , wherein the at least one side wall defines a second aperture at the contacted location claim 1 , the first aperture having a cross-sectional area greater than a cross-sectional area of the second aperture.4. The filter according to claim 1 , further comprising a frame attached to the upstream side.5. The filter according to claim 4 , wherein the frame at least partially surrounds the first aperture.6. The filter according to claim 1 , further comprising a contracting retainer attached to the at least one side wall claim 1 , the ...