ПОЛЫЙ ФИЛЬТРУЮЩИЙ ЭЛЕМЕНТ, В ЧАСТНОСТИ, ДЛЯ ФИЛЬТРАЦИИ ГАЗА

Изобретение относится к полому фильтрующему элементу и, соответственно, кольцеобразному закрытому фильтрующему элементу, в частности, для фильтрации газа. Полый фильтрующий элемент имеет выполненный в виде пустотелой детали блок фильтрующей среды, который на торцевой стороне закрыт торцевой пластиной, причем на торцевой пластине размещен взаимодействующий с находящейся на стороне корпуса планкой позиционирующий элемент, который сформирован для принятия с геометрическим замыканием планки в двух различных поперечных направлениях, и в позиционирующем элементе сформирована позиционирующая выемка. Изобретение обеспечивает создание простыми конструктивными средствами полого фильтрующего элемента таким образом, что обеспечивается надежная сборка и размещение в корпусе фильтра. 2 н. и 8 з.п. ф-лы, 8 ил.

УСТРОЙСТВО СБОРА ГАЗООБРАЗНОЙ ТЕКУЧЕЙ СРЕДЫ ДЛЯ РАДИАЛЬНОГО РЕАКТОРА

Изобретение относится к устройству сбора газообразной текучей среды для установок, работающих на подвижном слое с радиальной циркуляцией сырья, а также реактору с радиальным слоем, содержащему такое устройство, и способу каталитической конверсии углеводородного сырья с применением такого реактора. Устройство содержит вертикальную цилиндрическую сетку, которая является проницаемой для газообразной текучей среды и непроницаемой для частиц катализатора, и вертикальную цилиндрическую трубу, которая является проницаемой для газообразной текучей среды и непроницаемой для частиц катализатора и которая закреплена на сетке и расположена концентрично относительно сетки. При этом труба содержит одну или несколько зон, проницаемых для газообразной текучей среды, и множество зон ограниченной проницаемости для газообразной текучей среды по сравнению с зоной, проницаемой для газообразной текучей среды, при этом каждая зона ограниченной проницаемости имеет меньшую пористость, чем проницаемая зона, причем ...

ФИЛЬТРУЮЩИЙ ПАТРОН (ВАРИАНТЫ) И УЗЕЛ ВОЗДУШНОГО ФИЛЬТРА (ВАРИАНТЫ)

... зобретение предназначено для фильтрования. Узел воздушного фильтра содержит кожух с впускным и выпускным отверстиями для воздушного потока, причем кожух содержит корпус и крышку доступа. Внутри кожуха расположен обслуживаемый фильтрующий патрон. Фильтрующий патрон содержит блок фильтрующего материала с первым и вторым противолежащими концами, окружающий открытое внутреннее пространство, первую торцевую крышку, расположенную на первом конце блока фильтрующего материала, уплотнение кожуха на первой торцевой крышке, вторую торцевую крышку, расположенную на втором конце блока фильтрующего материала. В первой торцевой крышке имеется центральное сквозное отверстие для воздушного потока. Вторая торцевая крышка является закрытой крышкой. На второй торцевой крышке имеется центральная выступающая часть, отходящая в направлении от первой торцевой крышки. Выступающая часть имеет форму, отличающуюся от окружности, и содержит по меньшей мере одну дугообразную секцию, которая имеет кривизну, не соответствующую ...

ФИЛЬТРУЮЩИЕ ЭЛЕМЕНТЫ, ВОЗДУХООЧИСТИТЕЛИ В СБОРЕ И СПОСОБЫ ПРИМЕНЕНИЯ И СБОРКИ

КОЛЬЦЕОБРАЗНЫЙ ФИЛЬТРУЮЩИЙ ЭЛЕМЕНТ, В ЧАСТНОСТИ, ДЛЯ ФИЛЬТРАЦИИ ГАЗА, И ФИЛЬТРУЮЩЕЕ УСТРОЙСТВО

Трехступенчатый сепаратор жидкости

Filter zum Reduzieren des Staubgehalts von Tabakabluft

Filter zum Reduzieren des Staubgehalts von Tabakabluft, umfassend eine Abluftleitung (1), einen Auffangkasten (2), ein Trennsieb (3), eine Luftleitung (4), Filtersiebe (5), ein Blasrohr (6), ein elektromagnetisches Ventil (7) und eine Steuereinrichtung (8), wobei eine Auslassöffnung (11) an einer Unterseite der Abluftleitung (1) ausgebildet ist, der Auffangkasten (2) unterhalb der Auslassöffnung (11) angebracht ist, die Luftleitung (4) an einem hinteren Ende der Abluftleitung (1) angebracht ist, das Trennsieb (3) zwischen der Abluftleitung (1) und der Luftleitung (4) angebracht ist, drei bis fünf Filtersiebe (5) regelmäßig in der Luftleitung (4) angebracht sind und die Meshzahl der Filtersiebe (5) sukzessiv zunimmt; wobei das Blasrohr (6) zum Zurückblasen von Luft zum Trennsieb (3) an der Abluftleitung (1) angeordnet ist, das elektromagnetische Ventil (7) am Blasrohr (6) angeordnet ist und die Steuereinrichtung (8) fest an der Abluftleitung (1) angebracht und mit dem elektromagnetischen ...

Filterelement und Filtersystem

LUFTFILTERVORRICHTUNG

Motor exhaust gas filter, especially for diesel motors, has a leading oxidation filter with an integrated heater in front of the particle filter

The leading oxidation filter (5) for cleaning diesel motor exhaust gas is fitted with an integrated electrical heater (8) with electrical supply connections (9). It is located within the filter housing (1) in front of the particle filter (10).

Exhaust gas soot filter for Diesel engines

Exhaust gas soot filter system for Diesel engines where an integral burner, activated by the effects characterising fouling of the filter, burns off the soot to regenerate the filter. Burner (3) is fitted upstream of filter elements (5,6) and works under atmospheric conditions, i.e. independent of exhaust back pressure. The heat exchange stream (21) passes longitudinally across large contact areas of the filters.

Filter sowie Verwendung eines Hohlfilterelements in diesem Filter

Filter (10) zur Filtrierung von Luft, mit wenigstens einem Filtergehäuse (30), welches wenigstens einen Einlass (28) für zu filtrierendes Fluid und wenigstens einen Auslass (36) für filtriertes Fluid aufweist, in dem wenigstens ein Hohlfilterelement (44) derart angeordnet ist, dass es den wenigstens einen Einlass (28) von dem wenigstens einen Auslass (36) trennt, und welches wenigstens einen ersten Gehäuseteil (42) mit wenigstens einer Einbauöffnung (40) für das wenigstens eine Hohlfilterelement (44) aufweist, die mit wenigstens einem zweiten Gehäuseteil (38) verschlossen werden kann, wobei das wenigstens eine Hohlfilterelement (44) wenigstens einen Filterbalg (46, 48) umfasst, der wenigstens ein zur Filtrierung des Fluids durchströmbares Filtermedium (50) aufweist und der wenigstens einen Elementinnenraum (60, 64) wenigstens teilweise begrenzt, wobei eine Elementachse (32) des wenigstens einen Hohlfilterelements (44) koaxial, axial oder parallel zu einer Einbau-/Ausbauachse des wenigstens ...

FILTERELEMENT

Filterverbund zum Verbau in einem Fahrzeug

Die vorliegende Erfindung betrifft einen Filterverbund 1 zum Verbau in einem Fahrzeug, insbesondere in einem Fahrgastraum eines Fahrzeugs, umfassend zwei in Reihe durchströmbare Filterelemente 2 und 3, die als jeweilige Faltenbalge ausgeführt sind, und die so zueinander angeordnet und über wenigstens ein Distanzstück 4 gleichsam so voneinander beabstandet und miteinander verbunden sind, dass Aussparungen 5 zur Aufnahme von Störkonturen des Fahrzeugs gebildet werden.Erfindungswesentlich ist dabei, dass eine einteilige, leicht handhabbare Funktionskomponente entsteht, die flexibel in jedem Fahrgastraum verbaubar ist.

Sekundärelement für ein Filtersystem

Die Erfindung betrifft ein Sekundärelement (28) mit einer Längsachse (L) und zwei Stirnseiten (54, 56), umfassend ein um die Längsachse (L) angeordnetes Filtermedium (58), wobei an wenigstens einer der zwei Stirnseiten (54, 56) eine Öffnung (30) vorgesehen ist, wobei an der ersten Stirnseite (54) ein oberes Spannelement (32) und an der zweiten Stirnseite (56) ein unteres Spannelement (34) angeordnet ist, wobei das Sekundärelement mit der Öffnung (30) auf einem Stützrohr (14) eines Filtersystems (100) anbringbar ist. Die Erfindung betrifft ferner ein Filtersystem (100) zum auswechselbaren Einbau eines solchen Sekundärelements (28).

Filter for separating floating matter from a gas

The filter unit has at least two filter bodies (1,2) with their filter tubes (4,5) concentric to each other. They are held in carriers (3,9,10), each closed at the base by a ring body.Pref. the carriers (3,9,10) and the closure are of plastics. The ends of the filter bodies (1,2) are hermetically sealed into the plastics of the carriers (3,9,10) and closure, as embedded ends. The carrier (3) has at least one ring body (9) for the outer filter(s) (1) and a central carrier disc body (10) for the central inner filter body (2), inserted into the ring body (9) in a gas tight but release mounting. The disc body (10) has an outer laying flange (11) for insertion into a ring recess at the ring body (9), and holder supports (13) for the innermost filter body (2).

Filtering apparatus, filter regulator for use with spray gun and spraying system using the same

AN APPARATUS FOR SEPARATING OIL DROPLETS FROM AIR

Environmentally friendly dual lube venturi filter cartridge

Refrigerator having air-cleaner

A fan assembly

GAS PURIFIERS

A filter assembly

Filter assembly 1 comprising a filter housing 2, first filter 3 and second filter 4 wherein the first filter 3 is a pre-motor filter and the second filter 4 is a post-motor filter and the filters 3, 4 are fixed to the housing 2 and are annular about a shared axis A, the flow direction for the first filter being opposite to the flow direction of the second filter. The cross sectional shape of one or both of the filters may be circular, elliptical or obround. The filters may be adjacent along the axis. The housing may comprise an exposed portion and an enclosed portion. The exposed portion may comprise a frame 5 extending from the enclosed portion, the first filter positioned around the frame. The first filter may comprise a layered filter medium, the second filter may comprise a pleated filter. The housing may comprise an annular seal (8, fig. 2) between the filters. A product may comprise the assembly and a motor, where the assembly overlaps with the motor along the axis.

Hand held appliance

A filter assembly

Vacuum cleaner with filter assembly 1 comprising a filter housing 2, first filter 3 and second filter 4 wherein the first filter is a pre-motor filter and the second filter is a post-motor filter and the filters are fixed to the housing and are annular about a shared axis A, the assembly overlaps with the motor in a direction along the common axis and is positioned around the motor so the first filter is positioned around an inlet to the motor and the second filter around an outlet of the motor, the motor is housed in a cylindrical motor bucket and the assembly is removable from the vacuum cleaner by sliding it over the motor bucket along the common axis. The cross sectional shape of one of the filters may be circular, elliptical or obround. The filters may be adjacent along the axis. The housing may comprise an exposed portion and an enclosed portion. The exposed portion may comprise a frame 5 extending from the enclosed portion, the first filter positioned around the frame. The enclosed ...

Rotary air purifying means

OIL/GAS SEPARATOR

Oil bath air filters

An air cleaner for an internal combustion engine is disclosed in which the air cleaner comprises a casing having an inlet and an outlet and in which air flow from the inlet to the outlet passes into contact with a pool of liquid. The main feature of said air cleaner is that there is at least one filter cartridge of the mesh or wool type, and also at least one paper filter cartridge of relatively small height positioned within the casing between the pool of liquid and the casing outlet.

Fiber collecting media strip for a mist eliminator.

Fiber collecting media strip for a mist eliminator

Well casing assembly with erosion protection for inner screen.

Fiber collecting media strip for a mist eliminator

Fiber collecting media strip for a mist eliminator

FILTER WITH A FILTER CARTRIDGE AND A PRESCREENER

INLINE FILTER WITH QUICK-COUPLER AND FILTER

AIR CLEANER WITH ANTI-SWIVELING ARRANGEMENT AND PROCEDURE

AIR CLEANER

HYGROSCOPI CARTRIDGE PARTICULARLY FOR FILTERS FOR MEDICAL USE

ABGASFILTER

Verfahren und Vorrichtung zur Reduktion von Feststoffpartikeln, insbesondere von Russ aus Abgasen von Dieselmotoren durch die direkte elektrische Widerstandserhitzung der an Filtermedien angelagerten Russpartikel. Der angelagerte Russ selbst bildet auf Grund seines ohmschen Widerstands das Heizelement und verbrennt dabei.

FLUSHING SYSTEM FOR MIST ELIMINATORS

FILTER WITH SEVERAL STAGES WITH FILTERELEMENT FOR SEPARATION AND KOALESZENZ OF PARTICLES

OIL SEPARATOR

DOME-CASH FILTER UNITS

Dust Extraction Unit

A dust extraction unit (1) is disclosed including a first (16a) and a second air filter (16b) removable and mountable within the dust extraction unit (1) and a body defining an air flow path which passes through the first and the second air filters (16a,16b) when the first and the second air filters are mounted within the body of the dust extraction unit (1). The body of the dust extraction unit (1) comprises a first portion (7) operable to receive the first air filter (16a) and a second portion (5) operable to receive the second air filter (16b) The first (7) and second (5) portions are connected by a hinge (55) so that the first portion (7) is moveable between a first configuration in which the first (7) and second (5) portion define an air flow path though the dust extraction unit (1) and a second configuration which provides access to the portion of the dust extraction unit (1) operable to receive the second air filter (16b). 39b 39a 16a 11 16b 49 7 49 5 56 11 3 \ 4c 16c 27 -- 26 ...

A STEAM FILTER FOR THE STEAM TURBINE

This invention discloses a steam filter for steam turbine, comprising a lower housing (100), an upper housing (128), a filter element, a containing cavity (135) with an upward opening arranged in the lower housing (100), a rotating cavity (137) with a downward opening arranged in the upper housing (128), a gear cavity (121) arranged at the top of the rotating cavity (137), a pump cavity (145) arranged on the right side of the rotating cavity (137), edges (118) extending outwards arranged both at an opening of the lower housing (100) and an opening of the upper housing (128). The present invention is simple in structure and convenient to use, and the working efficiency is high. 128~ 121 2C 130-- B A 148 131A1 B - 137 116 17 134 715 138- 13614 14911 103 16/4 111 106 107 108 ...

Filter for filtering gaseous media contaminated with moisture and/or oil and/or solid particles

A filter construction apparatus and method

Sterilizing method and apparatus

Methods and apparatus for sterilization are presented. An exemplary embodiment includes a sterilizing cabinet assembly. The sterilizing cabinet includes a cabinet having an access port, a door connected to the cabinet, the door moveable between an open position permitting passage through the access port to an interior of the cabinet and a closed position precluding passage through the access port. The sterilizing cabinet assembly also includes at least one of the cabinet and the door having a vent port. The sterilizing cabinet has a primary filter overlying the vent port and forming a sealed interface with an adjacent portion of the one of the cabinet and the door and a secondary filter overlying at least a portion of the primary filter.

Portable industrial air filtration device

Various embodiments of the present disclosure provide a portable industrial air filtration device employing an annular dual filter assembly to capture and remove impurities from the air surrounding the air filtration device, enabling the air filtration device to quickly and efficiently improve the quality and safety of the air. The air filtration device includes a two-piece housing including a lower housing component and a locking cover removably attachable to the lower housing component. The dual filter assembly is mounted within the housing between the locking cover and the lower housing component, and includes a removable self-supporting outer pre-filter surrounding a separately removable inner HEPA filter. The pre-filter initially filters the surrounding air by capturing relatively large or coarse impurities, and the HEPA filter further filters the air pulled through the pre-filter by capturing relatively small or fine impurities. - 100 ...

Filter devices methods and system

A pocket filter adapted for filtering grease and other liquid aerosols has first and second depth loading media with a separator that prevents wicking thereby to extend filter life and capacity. The first layer is also of lower efficiency than the second to distribute loading and further extend life. The spacer may be of unwoven fiber mesh. Various feature of the pocket filter ensure free flow of effluent streams.

Portable industrial air filtration device

H:\ejI\Intrwovn\NRPortb\DCC\EJL\I 3094488_l.docx-8/02/2017 Various embodiments of the present disclosure provide a portable industrial air filtration device employing an annular dual filter assembly to capture and remove impurities from the air surrounding the air filtration device, enabling the air filtration device to quickly and efficiently improve the quality and safety of the air. The air filtration device includes a two-piece housing including a lower housing component and a locking cover removably attachable to the lower housing component. The dual filter assembly is mounted within the housing between the locking cover and the lower housing component, and includes a removable self-supporting outer pre-filter surrounding a separately removable inner HEPA filter. The pre-filter initially filters the surrounding air by capturing relatively large or coarse impurities, and the HEPA filter further filters the air pulled through the pre-filter by capturing relatively small or fine impurities ...

FILTER FOR CLEANING EXHAUST GASES OF DIESEL ENGINES

METHOD AND APPARATUS FOR BAG COLLECTION OF DIRT

PASSIVE FILTRATION SYSTEM

A filter system including a housing (12) with an intake (13) and an outlet (16), a pleated carbon filter (18) disposed between the intake and the outlet for filtering out vapors entering the intake, and a hydrophobic solution dispersed about the pleated carbon filter (18) to inhibit adsorption of water thereby increasing the adsorption capacity of the pleated carbon filter especially in high relative humidity environments. The hydrophobic solution is selected so that it does not decrease the adsorption capacity of the carbon filter. Also disclosed is a method of making such a filter.

AIR FILTER DEVICE

Air filter device comprising: one or more pleated air filters where the pleated air filters are cylindrical and designed according to the relation Gu=fhPr,/(2roe 0.25)>0.8; and a motor for rotating the pleated air filters, wherein ?r=(r?-ri)/?s; ro=outer radius of the cylindrical pleated filter; fh= height of the cylindrical filter; ri=inner radius of the cylindrical pleated filter; ps= distance between two adjacent pleat tops on the inner radius, e=ASHRAE efficiency.

AIR FILTRATION UNIT

INVENTION: AIR FILTRATION UNIT INVENTOR: ARTHUR TIBBITS A portable top-loading air filtration unit adapted to receive sheet-like filter material comprises a housing having a compartment-defining housing portion and a cap. The compartment-defining housing portion has an open top but otherwise defines a compartment closed against passage of air. The cap is extensively apertured to define an air inlet permitting intake of large volumes of air and is releasably secured to the compartment-defining housing portion. An grate below the cap receives andsupports sheet-like filter materials which present a large effective cross-sectional flow area. These may include chemically-interactive filter materials such as activated charcoal and potassium permanganate oxidizing materials and also a HEPA filter for filtering minute particulates. An air outlet is formed in the compartment-defining housing portion below the filter support structure and an electrically-powered air flow producer is located within ...

A FILTER CONSTRUCTION APPARATUS AND METHOD

A filter construction allowing easy access to the filter is provided. The filter construction includes a yoke having a keeper, a filter supported by the yoke wherein the filter defines an opening, and a cover. The cover includes a plate for covering the opening in the filter, a tightening member connected to the plate and a catch for engaging the keeper on the yoke. An air filter assembly is also provided for removing particulate matter from an incoming dirty air stream. The assembly includes a housing having an inlet, an outlet, a dirty air chamber and a clean air chamber and a first filter construction positioned in the dirty air chamber. A method of accessing an air filter in an air filter assembly is also provided.

FILTER SYSTEM; ELEMENT CONFIGURATION; AND METHODS

A filter element includes a cylindrical media pack defining a central open volume and a longitudinal axis; a first end cap having a central aperture in flow communication with the central open volume; and a second, closed end cap having a central region closing an end of the media pack central, open volume. The closed end cap includes a projection extending axially outwardly therefrom and positioned at a location intersected by the longitudinal axis. An end cover for an air cleaner includes an inner side including a central projection thereon. Preferably, the central projection comprises a wall that includes an outer perimeter defining a regular polyhedron having at least five sides. An air cleaner comprises a cylindrical filter element having a first open end cap, a second closed end cap, and a cylindrical media pack extending therebetween. The first end cap defines an internal radial seal region. The second, closed end cap has a central region including a circular recessed portion. The ...

MICRO-POROUS TUBULAR FILTER

ELEMENT FILTER WITH ARRANGEMENT, METHOD OF FILTERING AND METHOD OF CONSTRUCTION

A filter element (10) includes a first, outer tubular construction (12) of filter media defining a first open filter interior; a second, inner tuber construction (18) of filter media defining a second open filter interior; the second construction of filter media being located within the first open filter interior and being radially spaced from the first construction of filter media; and the second open filter interior defines an unfiltered fluid channel (24). A plastic inner liner (16) is within the first open filter interior to support the first construction of filter media. A plastic outer liner (18) is within the first open filter interior to support the second construction of filter media. A filtered fluid channel (20) is defined between the inner liner and the outer liner. A brace arrangement (36) is between the first and second tubular constructions. The brace arrangement can include a spring, a plurality of gussets, or a solid spacer.

IN-LINE FILTER WITH QUICK-CHANGE COUPLING AND A FILTER

An in-line filter provided with a substantially elongated filter housing (1; 51) in which filtering material (A) is included, the filter housing being provided on a first end with an inflow opening (2) and, on a second, opposite end with an outflow opening (3), while at the inflow opening (2) and the outflow opening (3) fastening means (4 - 7) are provided for fastening a supply or discharge tube, respectively (8 or 9, respectively), while the fastening means (4 - 7) are quick-change couplings (4 - 7), a respective quick- change coupling (4, 5; 6, 7) having a coupled condition and an uncoupled condition, while in the quick-change coupling (4, 5; 6, 7) a shut-off valve (10) is provided which, in the coupled condition, assumes an open position thus allowing gas to pass and which, in an uncoupled condition, assumes a closed position thus not allowing gas to pass.

FILTER ELEMENT AND METHODS OF MANUFACTURING AND USING SAME

A coreless and spirally wound non-woven filter element is provided. The f ilter element includes at least one band of base media having a selected por osity and an interlay having a different porosity within at least one band o f base media. The presence of the interlay in the filter element can create additional surface area within the contiguous construction of a filter eleme nt for filtration. This interlay can also create the ability to change direc tion of flow and to increase the deposition of specifically sized contaminan ts.

STERILIZING METHOD AND APPARATUS

Methods and apparatus for sterilization are presented. An exemplary embodiment includes a sterilizing cabinet assembly. The sterilizing cabinet includes a cabinet having an access port, a door connected to the cabinet, the door moveable between an open position permitting passage through the access port to an interior of the cabinet and a closed position precluding passage through the access port. The sterilizing cabinet assembly also includes at least one of the cabinet and the door having a vent port. The sterilizing cabinet has a primary filter overlying the vent port and forming a sealed interface with an adjacent portion of the one of the cabinet and the door and a secondary filter overlying at least a portion of the primary filter.

CONNECTOR AND JOINED PLEATED FILTER SECTIONS

A baghouse and filter assembly is provided for at least partially removing particulate matter from a gas stream. The filter assembly includes a first and second filter sections to be coupled together by a coupler for establishing fluid communication between the first and second filter sections when connected. The coupler includes a first coupling portion including an interior passage through which the gas stream can pass in an axial direction between the first and second filter sections and a hook projecting from the first coupling portion. The coupler includes a gasket that sealingly engages both the first and second coupling portions when the first coupling portion is connected with the second coupling portion to form a substantially gas-tight seal.

PORTABLE AIR FILTRATION UNIT

A stackable, portable air filtration unit utilizing a molded plastic central housing, injection-molded plastic inlet and outlet covers and accommodating a high-efficiency particulate air ("HEPA") filter or other high efficiency particulate filter, a secondary filter and a pre-filter. The unit is versatile and flexible in that different motorized impellers can be used alternatively, depending on the desired specifications.

FLUID SEPARATION DEVICES AND METHODS OF MAKING SAME

Embodiments of this invention include pressure differential barrier members (10) for separating selected substances from fluid, gases and/or liquid, and methods of making the same. They include separation material (18) which, with respect to the fluid to be treated, is pervious and exhibits desired separation capabilities. They may also, at least in part, include material which is substantially impervious to the fluid. They include bridges (50) spanning flow paths to form lateral flow paths (15), and they may also include flow paths that are unabridged. All flow paths through such embodiments are either through structural elements which themselves have desired separation capabilities or are occupied by separation material (18) that is pervious to the fluid being treated and is of such desired characteristics.

Two Stage Vacuum Cleaner Filter

Reinigungsapparat für Luft oder andere Gase.

Filter.

Filtervorrichtung zur Filtration von Luft oder anderen gasförmigen Medien

Druckluft-Filter- und -Verteilereinrichtung

AIR CLEANER WITH REPLACEABLE FILTER ELEMENT EMPLOYMENT.

Method and apparatus for the regenerative cleaning of a filter bed composed of granular material

A filter bed (9) which is bounded by two circular-cylindrical gas-permeable walls (7, 8) having gas-impermeable upper sections is exposed for the purpose of regeneration, ie removal of adhering dust, to a continuous stream of flushing gas (21) during the regeneration phase and the supply of untreated gas is interrupted. At the same time, the granular filter bed (9) is loosened by intermittent pressurised-air jets (23), with the result that the dust is loosened and entrained by the flushing gas (21). The filter bed (9) is composed of concentric, virtually circular-cylindrical layers of different particle size, thereby combining an optimum filter efficiency with a stable filter element (E) structure. The filter is used to filter dust-laden untreated gases. ...

УЗЕЛ ОБСАДНОЙ ТРУБЫ С ЗАЩИТОЙ ВНУТРЕННЕГО ЭКРАНА ОТ ЭРОЗИИ

Узел (20) обсадной трубы для использования в нефтяных и газовых скважинах, и в частности в наклонных или горизонтальных скважинах, имеет внутреннюю трубу (22) с резьбовыми концами (22'), обеспечивающими возможность соединения нескольких узлов обсадных труб в колонну обсадных труб. Внутренняя труба (22) имеет ряд перфораций (40) вдоль отрезка (42) ее длины, которые покрыты удлиненным экраном (60), который предотвращает проход частиц песка. Концентрическая наружная деталь предохранительного кожуха (24) не имеет перфораций (50) на участках, противолежащих в радиальном направлении внутреннему экрану (60), для предотвращения повреждения экрана. Один или более перфорированных отрезков (52, 52') наружной детали (24) отделены промежутками по оси от экрана (60), так что энергия и скорость заходящего внутрь потока текучей среды из формации понижаются перед тем, как он достигнет экрана, таким образом сводя к минимуму эрозию поверхности экрана. Если желательно, перфорированные приспособления для регулирования ...

MUCH STEPPED DEVICE AND FILTER ELEMENT FOR SEPARATION/COALESCENCE OF

Elevator with automatic cleaning and deodorizing function

Combined flowerpot with air-purifying function

Filter device of electrochemical carbon monoxide sensor

DISPOSITIF D'ELIMINATION DES PARTICULES SOLIDES D'UN FLUIDE

L'INVENTION CONCERNE UN DISPOSITIF DE FILTRATION D'UN FLUIDE ASSOCIE A DES PARTICULES SOLIDES. CE DISPOSITIF EST CARACTERISE EN CE QUE SON ORGANE FILTRANT 12 COMPREND UN PREMIER ELEMENT FILTRANT 21 ET UN DEUXIEME ELEMENT FILTRANT 22, LE PREMIER ELEMENT FILTRANT 21 ETANT ADJACENT A LA PREMIERE CHAMBRE 14, LE DEUXIEME ELEMENT FILTRANT 22 ETANT ADJACENT A LA DEUXIEME CHAMBRE 16, LE PREMIER ELEMENT FILTRANT 21 ET LE DEUXIEME ELEMENT FILTRANT 22 DELIMITANT ENSEMBLE UNE CHAMBRE INTERMEDIAIRE 18 QUI NE COMMUNIQUE AVEC LA PREMIERE CHAMBRE 14 QU'A TRAVERS LE PREMIER ELEMENT FILTRANT 21 ADJACENT A CELLE-CI ET QUI NE COMMUNIQUE AVEC LA DEUXIEME CHAMBRE 16 QU'A TRAVERS LE DEUXIEME ELEMENT FILTRANT 22 ADJACENT A CETTE DERNIERE, ET EN CE QU'UN CAPTEUR MANOMETRIQUE INTERIEUR 30 EST DISPOSE DANS LA CHAMBRE INTERMEDIAIRE 18. APPLICATION A LA CONSTRUCTION DES DISPOSITIFS ET INSTALLATION DE FILTRATION AUTONOMES OU INCORPORES A DES CYCLONES, SYSTEMES DE SECHAGE A LIT FLUIDISE OU ANALOGUES.

Bloc filtrant et equipement de filtration l'incorporant

L'invention concerne la filtration d'air selon la technique dite ¦ NBC ¦. Un bloc filtrant 1, destine a etre incorpore dans un caisson d'un equipement de filtration comprenant dans un boitier, un etage de filtration en ¦ papier filtre ¦ superpose a un etage de filtration a base de ¦ charbon active ¦, avec un passage d'admission de gaz a filtrer 12 en amont de l'etage ¦ papier ¦ et un passage d'evacuation de gaz filtre 4 en aval de l'etage ¦ charbon ¦, l'un desdits passages 12 etant equipe de moyens de jonction d'etancheite peripherique 13, 13' destines a cooperer avec une paroi de caisson, se caracterise par des passages d'admission et d'evacuation 12-16 du bloc filtrant obtures par des opercules 15-16 d'etancheite lies peripheriquement aux parois 7 de boitier et susceptibles d'etre degages manuellement. L'invention s'applique essentiellement a la sauvegarde humaine dans des habitacles confines par ventilation d'air decontamine.

APPARATUS OF FILTRATION Of AIR PROVIDED With a MECHANISM OF CLEANING BY IMPACTS OF the FILTERING DEVICE

COLLECTION ASSEMBLY A GASEOUS FLUID FOR RADIAL REACTOR

L'invention se rapporte à un ensemble de collecte (8) d'un fluide gazeux apte à être disposé dans une section réactionnelle à lit mobile de catalyseur d'un réacteur radial, ledit ensemble de collecte comprenant une grille cylindrique verticale (9) perméable au gaz et imperméable aux particules de catalyseur et un tube cylindrique (10) vertical supporté par ladite grille (9) et disposé de manière concentrique par rapport à ladite grille, dans lequel le tube (10) comprend une ou plusieurs zones (17a, 17b) perméables au fluide gazeux comportant une pluralité de trous traversant et une pluralité de zones (18a, 18b, 18c, 18d) à perméabilité réduite au fluide gazeux par rapport à la zone perméable, chaque zone à perméabilité réduite ayant une porosité, définie comme étant le rapport entre la surface perméable totale de ladite zone et la surface totale développée par ladite zone, comprise entre 0 et 0,005 ...

FILTER HAS SOOT HAS IN the CURRENT OF the GASES FLARINGS INTERNAL COMBUSTION ENGINES HAS COMPRESSION Of AIR

CYLINDRICAL FILTER

AIRFIELD TRAFFIC AND PROCESS FOR PRODUCTION OF AN AIRFIELD TRAFFIC

PERFECTIONING IN FILTER

وعاء متعدد المراحل وعنصر تصفية فاصل/ مدمج

FILTER MEDIUM WITH A MULTIPLICITY OF DIFFERENT FILTER LAYERS AND USE FOR TESTING FILTER MEDIA

A fluid filter element (10) is provided which comprises a plurality of filter stages (12) and a fluid path (14) which passes sequentially through the filter stages (12). At least some of the filter stages (12) have different filter characteristics.

FILTER CARTRIDGE SYSTEM

A filter cartridge assembly and system includes a secondary filter cartridge radially nested within and radially supported by a main filter cartridge. The secondary cartridge has a flexible multi-leg crown "with slits" which engage a receptacle in bottom end disk of the main filter element for radial support and includes a central pin projection interior to the crown that is longer and more robust than the crown, extending beyond the crown to protect the crown from impact damage. The main filter cartridge bottom end disk has a plurality of axially extending, spaced apart projections configured to engaged into matched pockets or gaps provided between engaging inward projections provided on an interior end face of the filter housing, rotationally fixing or locking the filter housing and the main filter cartridge. The main filter cartridge includes an anti-rotation housing engagement member or pin which extends through an end wall of the filter housing to the exterior of the housing indicating ...

FILTER ELEMENT WITH A STAR-SHAPED FILTER FOR A SOLID FILTER

The subject of the invention is a filter element (1) for use in a solid filter having a star-shaped filter (2), of filter paper for example, and a filter pipe (3) arranged inside the star-shaped filter (2). The filter pipe (3) is intended to act as a safety layer in the event of damage to the outer star-shaped filter and also as a support to maintain the shape of the star filter.

FLUID SEPARATION DEVICES AND METHODS OF MAKING SAME

Embodiments of this invention include pressure differential barrier members (10) for separating selected substances from fluid, gases and/or liquid, and methods of making the same. They include separation material (18) which, with respect to the fluid to be treated, is pervious and exhibits desired separation capabilities. They may also, at least in part, include material which is substantially impervious to the fluid. They include bridges (50) spanning flow paths to form lateral flow paths (15), and they may also include flow paths that are unabridged. All flow paths through such embodiments are either through structural elements which themselves have desired separation capabilities or are occupied by separation material (18) that is pervious to the fluid being treated and is of such desired characteristics.

AIR FILTRATION ARRANGEMENT AND METHOD

Constructions and methods are described for collecting particulate material from gas streams. In certain specifically described air filter arrangements, a first, rigid, filter construction is used in conjunction with a removable and replaceable depth media filter, to form filter media. The preferred arrangement is configured so that the removable and replaceable depth media filter can be removed and replaced, without disengaging the first filter construction from a filter assembly or housing, if desired. Some preferred configurations and materials are described.

Dual in-series large and small droplet filters

A surgical evacuation system having dual in-series large and small droplet filters is provided. The surgical evacuation system comprises a pump, a motor operably coupled to the pump, and a flow path fluidically coupled to the pump. the flow path comprises a first fluid filter configured to extract a large droplet in a fluid moving through the flow path and a second fluid filter configured to extract a small droplet in the fluid moving through the flow path. the first fluid filter is coupled in series with the second fluid filter. The first fluid filter is positioned upstream of the second fluid filter. An outlet port of the second fluid filter is coupled to an inlet port of a non-fluid filter.

Filtration arrangement

Constructions and methods are described for collecting particulate material from gas streams. In one specifically described arrangement, a region of depth media is oriented upstream of a second region of depth media. A surface loading media is positioned downstream from the second region of depth media. In an alternate embodiment, a further region of filter media is positioned downstream from the surface loading media.

Filter cartridge

A filter cartridge (16), especially for installation in an air filter of an internal combustion engine having a housing (10) with an inlet (12) for untreated air and an outlet (13) for clean air, the filter cartridge preferably being made of a pleated filter medium, and being provided with sealing elements on end plates (18, 19) arranged at the axial end faces of the filter cartridge. A support body (17) is provided on the inner wall of the filter cartridge with support surfaces (23) for axially and radially positioning the filter cartridge. A seal element (26) extending axially along the support body is also provided in the area of the support body.

FILTERS

ASSEMBLIES; COMPONENTS AND FILTER FEATURES THEREOF; AND, METHODS OF USE AND ASSEMBLY

An air cleaner assembly is disclosed, along with related methods. In one aspect, the air cleaner assembly has a housing including a housing body and a removable cover that together define an interior volume for holding a filter cartridge. The housing body can include a first plurality of lugs, wherein each of the first plurality of lugs has a first engagement surface disposed at a first angle that is oblique to a rotational plane of the cover. A second plurality of lugs can be provided on the cover, wherein each of the second plurality of lugs has a second engagement surface disposed at the first angle. A lock mechanism can also be provided that is disposed on the cover, wherein the lock mechanism includes a lock member axially movable between a locked position and an unlocked position to selectively secure the cover to the housing body.

AIR FILTER WITH IMPROVED PERFORMANCE OR POSITIONING

Radial seal filter assemblies and filter cartridges are described. According to various embodiments, a filter includes a housing that extends along an axis between first and second axial ends. A primary filter element is disposed in the housing and axially extends between first and second axial ends that respectively are adjacent the first and second axial ends of the housing, the primary filter element has a hollow interior and a first axial length. A secondary filter element is disposed in the hollow interior of the primary filter element, the secondary filter element having a second axial length, the second axial length being longer than the first axial length of the primary filter element. The filter further includes an end cap disposed on the second axial end of the primary filter element. 18-. (canceled)9. A filter comprising:a housing that extends along an axis between first and second axial ends;a primary filter element that is disposed in the housing and axially extends between first and second axial ends that respectively are adjacent the first and second axial ends of the housing, wherein the primary filter element has a hollow interior;a secondary filter element disposed in the hollow interior of the primary filter element; andan end cap disposed on the second axial end of the primary filter element, wherein the end cap extends into an opening formed through the second axial end of the housing.10. The filter of claim 9 , wherein the second axial end of the housing comprises a cover and wherein the opening is formed through the cover.11. The filter of claim 10 , wherein a secondary filter element end cap of the secondary filter element extends through the opening.12. The filter of claim 9 , wherein the secondary filter element has secondary filter element axial length claim 9 , wherein the primary filter element has an primary filter element axial length claim 9 , and wherein the secondary filter element axial length is longer than the primary filter ...

MODULAR FILTER FOR VENTILATION AIR VENTS

A modular filter for ventilation air vents comprises a filtering fabric roll () housed within a casing provided with anchoring means () engaging the surface (S) of the container which has the air intake port (B) to be filtered; the casing has a slot () for extracting the filtering fabric (T), and has a casing () comprised of a shaped wall () enclosed at the ends by covers () or end supports () of this wall having a shape corresponding to the shaped wall () and maintaining a longitudinal slot () at the front edges of the shaped wall to allow the passage for the extraction of the front (F) of the filtering fabric (T) unwound from the filtering fabric roll (); at least one screw stay rod () is placed between two covers () or end supports () of the shaped wall and is tightened to define the proper distance between the two end supports or covers (), by tightening the end supports () or covers () to the shaped wall (), one at each end, to close the access to the casing, and containing the filtering fabric roll () floating and free to rotate when the filtering fabric is dragged from the outside of the modular filter. 1113945104044517475911374792985451747517475151. A modular filter for ventilation air vents comprising a filtering fabric roll () housed within a casing provided with anchoring means () engaging the surface (S) of the container which has the air intake port (B) to be filtered; the casing has a slot () for extracting the filtering fabric (T); characterised in that it has a casing () comprised of a shaped wall () enclosed at the ends by covers ( , , , ) or end supports ( , ) of this shaped wall having a shape corresponding to the shaped wall () and maintaining a longitudinal slot () at the front edges of the shaped wall to allow the passage for the extraction of the front (F) of the filtering fabric (T) unwound from the filtering fabric roll (); anchoring means () are applied , at least , by end supports ( , ); the supports have , in accordance with the ...

SEPARATING DEVICE

The invention relates to a separating device, in particular in the manner of a spiral separator (), for the separation of impurities, particularly in the form of solids, from a gaseous medium flow, such as air, which can be fed to a spiral-shaped guiding device () and thus brings about an at least partial separation of the respective impurities from the medium flow. The invention is characterized in that the guiding device () has a plurality of spiral arms () which delimit radially extending flow spaces () and which are arranged in an adjacent manner opposite to one another such that the medium flow is guided radially outwards. 11042424446. A separating device , in particular in form of a spiral separator () , for separating contaminants , in particular in form of solids , from a gaseous medium stream , such as air , that may be fed into a spiral-shaped guiding device () , thus causing an at least partial separation of contaminants from the medium flow , characterized in that the guiding device () is provided with a plurality of spiral arms () which are arranged in adjacent pairs and delimit radially extending flow spaces () located opposite to each other in such a way that the medium flow is directed outwards.23830484244. The separating device according to claim 1 , characterized in that the medium flow is supplied via a medium inlet () of a housing () of the device claim 1 , axial to a central area () of the guiding device () claim 1 , in which the individual spiral arms () meet.344424446484244. The separating device according to claim 1 , characterized in that at least some of the spiral arms () used for the guiding device () claim 1 , but preferably all spiral arms () claim 1 , are arranged in adjacent pairs which delimit flow spaces () claim 1 , the progression of which from a central section () of the guiding device () is either diverging towards the outside claim 1 , converging or essentially constant where the spiral arms () extend parallel to each other. ...

Air Filter Element, Filter Housing and Filter Arrangement

An air filter element () with a cylindrical central pipe () is provided wherein at one end of the central tube () a device () for transmission of torque from a tool to the air filter element () is provided and at the other end of the central tube () a fastening device () for detachably mounting the filter element () within a cylindrical support body () by means of an insertion/rotation movement is provided. 110. An filter air filter element () comprising:{'b': '11', 'a cylindrical central tube ();'}{'b': 16', '11', '11, 'an end disk () formed monolithically in one-piece as a unitary component with the cylindrical central tube () and closing off a first axial end of the cylindrical central tube () and covering an axial end face of the filter element;'}{'b': 12', '11, 'a filter material () arranged on and covering a cylindrical outer surface of the cylindrical central tube ();'}{'b': 18', '16', '11', '10, 'a torque transmission device () formed on the end disk () of the central tube (), the torque transmission device operable to transmit torque from a tool to the air filter element ();'}{'b': 14', '11', '14', '10', '21', '21, 'a fastening device () formed on or secured onto an opposing second axial end of the central tube (), the fastening device () operable to detachably secure the filter element () into an interior of a cylindrical support body () arranged in an interior of the filter housing, the cylindrical support body () cylindrically surrounding a radial exterior of the air filter element, the detachable securing accomplished by an insertion/rotation movement of the fastening device relative to the filter housing.'}2. The air filter element according to claim 1 , wherein{'b': 18', '11, 'the torque transmission device () is formed as a projection or recess that has no rotational symmetry relative to the cylinder axis of the central tube ().'}3. The air filter element according to claim 1 , wherein{'b': '17', 'the end disk includes an inwardly recessed tub-shaped ...

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 ...

OIL SEPARATOR

The objective is to improve the oil trapping rate of an oil separator. The oil separator () separates gas and liquid in air containing oil, recovers liquid that contains oil. The oil separator is provided with an introduction port () for introducing air, an oil trap () for trapping oil contained in air, a reservoir () for storing the liquid flowing out of the oil trap (), and a discharge port for discharging air from which oil has been removed. The oil trap () includes a glass fiber filter () and an impingement member (), which traps oil particles by causing the oil particles to strike the impingement member (). 1. An oil separator configured to separate gas and liquid in air containing oil to recover liquid , which contains oil , the oil separator comprising:an introduction port configured to introduce air;an oil trap configured to trap oil contained in air;a reservoir configured to store liquid that has flowed out from the oil trap; anda discharge port configured to discharge air from which the oil has been removed,wherein the oil trap includes a glass fiber filter and an impingement member, which traps oil particles by causing the oil particles to strike the impingement member.2. The oil separator according to claim 1 , whereinthe impingement member has air permeability and includes a first surface, through which air flows in, and a second surface, through which air that has passed through the impingement member flows out, andthe glass fiber filter is provided on the second surface of the impingement member.3. The oil separator according to claim 2 , wherein the glass fiber filter is formed into a sheet and covers the entire second surface of the impingement member.4. The oil separator according to claim 1 , whereinthe impingement member has air permeability and includes a first surface, through which air flows in, and a second surface, through which air that has passed through the impingement member is discharged, andthe glass fiber filter is provided on the ...

Rotating Separator with Housing Preventing Separated Liquid Carryover

A rotating separator has a housing preventing separated liquid carryover. A plenum between the annular rotating separating filter element and the housing sidewall has one or more flow path separating guides minimizing the flow of separated liquid to the outlet. The flow path guides may include one or more fins and/or swirl flow dampers and/or a configured surface.

AIR FILTER

An air filter has a housing, a filter core, a resilient abutting element, a sleeve, a threaded rod bracket, a threaded rod and a nut. The axial sealing is achieved by axially compressing the resilient abutting element, such that the user does not have to apply much physical effort to compress the resilient abutting element. The user can easily push the filter core into the housing, and then rotates and tightens the nut, which can axially compress the resilient abutting element. It is easy to apply force on rotating the nut, and better still, the nut can be rotated by an electric tool, which further facilitates the convenience in assembling. Besides, the nut only abuts the sleeve, and the threaded rod bracket does not abut the filter core. Consequently, the filter core is not blocked, thereby making the air smoothly pass through the filter core. 1. An air filter comprising: an accommodating space;', 'an inlet communicating with the accommodating space;', 'an outlet communicating with the accommodating space; and', 'a first stepped surface formed annularly around an inner wall of the housing;, 'a housing having'} a through hole formed axially through a center of the filter core; and', 'an outer diameter bigger than an inner diameter of an inner periphery of the first stepped surface of the housing;, 'a filter core mounted in the accommodating space of the housing, and having'}a resilient abutting element annularly formed on a periphery of an end surface of the filter core that is adjacent to the outlet, transversely and axially wrapping said periphery, and axially abutting the first stepped surface of the housing;a sleeve mounted in the through hole of the filter core, and adhered to a hole wall of the through hole;a threaded rod bracket mounted securely in the accommodating space of the housing, and disposed between the filter core and the outlet;a threaded rod mounted securely on the threaded rod bracket, and axially mounted through the sleeve; anda nut mounted ...

Rotating Separator with Housing Preventing Separated Liquid Carryover

A rotating separator has a housing preventing separated liquid carryover. A plenum between the annular rotating separating filter element and the housing sidewall has one or more flow path separating guides minimizing the flow of separated liquid to the outlet. The flow path guides may include one or more fins and/or swirl flow dampers and/or a configured surface. 1. A rotating separator for separating liquid from a fluid mixture , the rotating separator comprising:a housing having a sidewall with an inner surface; an inlet for supplying the mixture to the hollow interior,', 'an outlet delivering a separated component of the mixture from the plenum, and', 'a drain delivering separated liquid from the plenum, the direction of flow through the annular rotating separating filter element being inside-out from the hollow interior through the annular rotating separating filter element to the plenum; and, 'an annular rotating separating filter element positioned within the housing and rotatable about an axis extending along an axial direction in the housing, the annular rotating separating filter element having an inner periphery defining a hollow interior, and having an outer periphery facing the inner surface of the housing and spaced along a radial direction radially outwardly from the inner surface thereby defining a plenum therebetween, the housing includingone or more flow path separating guides causing a tortuous flow path through the plenum.2. The rotating separator of claim 1 , wherein the one or more flow path separating guides include a swirl flow damper positioned in the plenum.3. The rotating separator of claim 2 , wherein the plenum has an upper portion and a lower portion claim 2 , the lower portion being gravitationally below the upper portion claim 2 , and wherein the swirl flow damper is at the upper portion of said plenum.4. The rotating separator of claim 2 , further comprising a plurality of swirl flow dampers in the plenum.5. The rotating separator of ...

AIR CLEANER

In an air cleaner (), three cyclone dust collection units () are arranged on one side of a filter dust collection unit () in a mutually parallel relationship. The cyclone dust collection units are arranged along a circumferential direction of the filter dust collection unit, and the central cyclone dust collection unit has a smaller diameter than the remaining cyclone dust collection units positioned on either side of the central cyclone dust collection unit so that the dust collection units can be accommodated in a rectangular profile is a highly space efficient manner. 1. An air cleaner for an internal combustion engine , comprising:a filter dust collection unit including an annular filter element; andthree cylindrical cyclone dust collection units connected in parallel to each other to an upstream side of the filter dust collection unit;wherein the cyclone dust collection units have central axial lines that are in parallel to one another and to a central axial line of the filter dust collection unit, and are arranged along a circumferential direction of the filter dust collection unit on one side of the filter dust collection unit, the central cyclone dust collection unit having a smaller diameter than the remaining cyclone dust collection units positioned on either side of the central cyclone dust collection unit.2. The air cleaner according to claim 1 , wherein the cyclone dust collection units are arranged and dimensioned in a symmetric manner with respect to a longitudinal line passing the central axial line of the filter dust collection unit and the central axial line of the central cyclone dust collection unit.3. The air cleaner according to claim 2 , wherein the cyclone dust collection units have a combined lateral width substantially equal to a lateral width of the filter dust collection unit.4. The air cleaner according to claim 2 , wherein the air cleaner includes a substantially rectangular housing elongated along the longitudinal line claim 2 , and ...

HANDHELD VACUUM CLEANER

A handheld vacuum cleaner including a fluid flow path, a main body, a fluid flow motor, a battery, and a cyclone chamber. The fluid flow path extends from a dirty air inlet to a clean air outlet, and the main body includes a handle. The fluid flow motor is positioned in the fluid flow path. The battery is positioned below the fluid flow motor. The cyclone chamber is in the fluid flow path transverse to the dirty air inlet. The cyclone chamber includes a first end wall and a second end wall, a cyclone chamber axis passing through the first end wall and the second end wall, a cyclone dirty fluid inlet, and a cyclone clean fluid outlet. The first end wall and the second end wall of the cyclone chamber both intersect a common horizontal plane when the handheld vacuum cleaner is positioned on a horizontal surface. 1. A handheld vacuum cleaner comprising:a fluid flow path extending from a dirty air inlet to a clean air outlet;a main body including a handle;a fluid flow motor positioned in the fluid flow path;a battery positioned below the fluid flow motor; and a first end wall and a second end wall,', 'a cyclone chamber axis passing through the first end wall and the second end wall,', 'a cyclone dirty fluid inlet, and', 'a cyclone clean fluid outlet,', 'wherein the first end wall and the second end wall of the cyclone chamber both intersect a common horizontal plane when the handheld vacuum cleaner is positioned on a horizontal surface., 'a cyclone chamber in the fluid flow path transverse to the dirty air inlet, the cyclone chamber including'}2. The handheld vacuum cleaner of claim 1 , wherein the battery is a removable and rechargeable battery pack.3. The handheld vacuum cleaner of claim 1 , wherein the battery is entirely positioned below the fluid flow motor.4. The handheld vacuum cleaner of claim 1 , wherein the handheld vacuum cleaner is supported solely by the battery when the handheld vacuum cleaner is positioned on a horizontal surface.5. The handheld vacuum ...

HANDHELD VACUUM CLEANER

A handheld vacuum cleaner including a dirty air inlet, a fluid flow path, a main body, a fluid flow motor, a premotor filter, and a debris separator. The dirty air inlet is disposed at the front of the handheld vacuum cleaner and defines an inlet axis. The fluid flow path extends from the dirty air inlet to a clean air outlet. The main body includes a handle disposed at the rear of the handheld vacuum cleaner. The fluid flow motor is positioned in the main body along the fluid flow path and defines a motor axis. The premotor filter is disposed in the main body and includes an annular filter media forming a filter axis. The annular filter media includes a first end, a second end, and a longitudinal filter surface extending between the first end and second end. The annular filter media surrounds a filter air passageway along the filter axis and upstream of the fluid flow motor. The debris separator is upstream of the premotor filter in the fluid flow path and defines a debris separator axis. The filter axis is generally parallel to the motor axis. 1. A handheld vacuum cleaner comprising:a dirty air inlet disposed at the front of the handheld vacuum cleaner, the dirty air inlet defining an inlet axis;a fluid flow path extending from the dirty air inlet to a clean air outlet;a main body including a handle disposed at the rear of the handheld vacuum cleaner;a fluid flow motor positioned in the main body along the fluid flow path, the fluid flow motor defining a motor axis;a premotor filter disposed in the main body, the premotor filter including an annular filter media forming a filter axis, the annular filter media having a first end, a second end, and a longitudinal filter surface extending between the first end and second end, the annular filter media surrounding a filter air passageway along the filter axis, the filter air passageway upstream of the fluid flow motor, anda debris separator upstream of the premotor filter in the fluid flow path and defining a debris ...

Prefilter Wrap

A removable prefilter wrap having multiple layers is disclosed. The prefilter wrap may be configured to be placed around the outer circumference of a filter canister. The prefilter wrap has multiple layers for filtering water, oil(s), and/or other contaminants from an airflow. 1. A prefilter wrap for an annular filter comprising:a multilayer media adapted to removably encircle an annular filter, said multilayer media having at least a filtration first layer and a particulate retention second layer, said annular filter having a predetermined air flow rating, said multilayer media having at least said predetermined air flow rating;said first layer being a non-woven fibrous media having at least one of a hydrophobic material and an oleophobic material, said first layer forming an outer circumference of said multilayer media, said outer circumference being an in-flow surface; andsaid second layer being a non-woven fibrous media encircled by said first layer, said second layer interposed between said first layer and said annular filter.2. The prefilter wrap of wherein said first layer is formed of nonwoven polyolefin fibers.3. The prefilter wrap of wherein at least one of said first and second layers has a density gradient of increasing density in a direction from said in-flow surface toward said annular filter.4. The prefilter wrap of further comprising a fastener having a first mating portion near a first end of said multilayer media and a second mating portion near a second end of said multilayer media claim 1 , said first mating portion and said second mating portion adapted to detachably secure said first end to said second end to form said wrap.5. The prefilter wrap of wherein said fastener is a hook and loop fastener.6. The prefilter wrap of wherein said fastener further comprises mechanical snaps.7. The prefilter wrap of further comprising a fastener strap around said outer circumference of said multilayer media.8. The prefilter wrap of wherein said multilayer ...

Canister Filter with Prefiltration

An integral canister filter having multiple layers, including a prefiltration layer. The prefiltration layer may filter oil and/or water from an airflow to protect downstream components. The prefiltration layer may be treated with a water and/or oil repelling or absorbing material. The second layer may be a porous membrane filter positioned downstream of the prefiltration layer. The third layer may provide structural support for the first and/or second layers. 1. An integral canister filter , comprising:a multilayer media having at least three layers forming a hollow tube shape, said multilayer media supported by a tube structure, said multilayer media positionable in an air flow, said air flow able to pass through said at least three layers;a pre-filtration first layer forming an outer circumference and an in-flow surface of said multilayer media, said first layer including a first material that is at least one of hydrophobic, hydrophilic, oleophobic, and oleophilic;a porous membrane filtration second layer, said second layer downstream of said first layer in said air flow, said second layer interposed between said first layer and a structurally supportive third layer; andsaid third layer downstream of said first layer in said air flow, said third layer at least one of pleatable and embossable.2. The integral canister filter of further comprising an adhesive layer attaching said first layer to said second layer.3. The integral canister filter of claim 2 , said adhesive layer further comprising at least one of hot melt glue and spray adhesive.4. The integral canister filter of wherein said first layer is formed of microglass fibers.5. The integral canister filter of wherein said first material is a binder for binding said microglass fibers.6. The integral canister filter of wherein said microglass fibers have a basis weight in the range of about 25 to 105 grams per square meter.7. The integral canister filter of wherein said microglass fibers of said prefilter have ...

COMPACT FILTER ASSEMBLY FOR REMOVING OIL MIST AND ODOR FROM AN AIRSTREAM

A device for removing oil mist and odors from an airstream comprising a base having an air inlet in the lower end thereof for receiving an airstream. A first tubular filter has a first end and a second end. The first end is closed, and the second end is mounted on the base wherein the first tubular filter defines an inner chamber that is in communication with the air inlet. A second tubular filter is mounted on the base. The second tubular filter surrounds the first tubular filter and defines an outer chamber therebetween. An opening is formed through the base. The opening connects the outer chamber with the air inlet. A valve element is disposed in the base. The valve element allows flow from the outer chamber to the air inlet when pressure in the outer chamber exceeds pressure in the air inlet. 1. A device for removing oil mist and odors from an airstream , comprising:a base having an air inlet in the lower end thereof for receiving an airstream;a first tubular filter having a first end and a second end, said first end being closed and said second end mounted on said base wherein said first tubular filter defines an inner chamber that is in communication with said air inlet;a second tubular filter mounted on said base, said second tubular filter surrounding said first tubular filter and defining an outer chamber therebetween;an opening through said base, said opening connecting said outer chamber with said air inlet; anda valve element disposed in said base, said valve element allowing flow from said outer chamber to said air inlet when pressure in said outer chamber exceeds pressure in said air inlet.2. A device for removing oil mist and odors from an airstream as described in wherein said first and second filters are concentrically mounted to said base to be symmetrical about an axis through said base.3. A device for removing oil mist and odors from an airstream as described in wherein said first filter is dimensioned to filter oil from said airstream.4. A ...

Air Cleaning and Purifying Apparatus for Elevators

An air cleaning/purifying system for elevators includes: a housing, one or more fans, three filters, and a lamp. The housing, made of a chromium-nickel-molybdenum austenitic stainless steel, is formed of one or more walls that create an air tight enclosure, except for one or more air inlet openings proximate to each fan, and a plurality of air outlet openings. The three filters are positioned between the inlet and outlet openings, and include: an active carbon filter to absorb odors; a HEPA filter formed of a fiber mesh that traps particles; and a filter formed of a selective metallic compound (e.g., titanium dioxide) that emits hydroxyl radicals when illuminated by light from the lamp. The fan(s) is/are mounted to the housing and positioned to draw/direct air into the air tight enclosure through the inlet opening(s) and direct it at the filters, in the direction of the outlet openings. 1. An air cleaning and purifying system for elevators comprising:a housing, said housing comprising: one or more walls configured to form a substantially air tight enclosure; said one or more walls comprising: one or more air inlet openings formed in a first wall portion of said air tight enclosure, and one or more air outlet openings formed in a second wall portion of said air tight enclosure;a fan, said fan being mounted to said first wall portion, and positioned thereon to force air into said air tight enclosure through said air inlet opening and be directed towards said plurality of air outlet openings;a lamp, said lamp mounted within said housing and configured to emit light comprising a first wavelength configured to eliminate fungi, spores of fungi, bacteria, viruses, yeasts and protozoa;a first filter, said first filter comprising an active carbon filter configured to absorb odors; said active carbon filter impregnated with an organic essential plant oil comprising carvacrol, to eliminate bacteria, fungi, parasites, and viruses;a second filter, said second filter comprising: ...

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 ...

VERTICAL FURNACE WITH DEVICE FOR TRAPPING CONTAMINANTS

A vertical furnace includes a chamber intended for receiving a loading column an inlet channel for fresh gas, arranged at an upper end of the chamber, the loading column comprising an upper portion, and a central portion for supporting a plurality of substrates. The vertical furnace further comprises a trapping device made of at least one material suitable for trapping all or part of the contaminants present in the fresh gas. The trapping device includes a circular part arranged on the upper part of the loading column, the circular part comprising fins regularly distributed over an upper surface of the circular part in order to increase the contact surface of the trapping device with the fresh gas. 17-. (canceled)8. A vertical furnace , comprising:a chamber;a fresh gas inlet channel located at an upper end of the chamber;a charging column configured to be received in the chamber, the charging column comprising an upper portion, and a central portion having locations intended to support substrates of a plurality of substrates; and a circular part positioned on the upper portion of the charging column, the circular part comprising blades regularly distributed over an upper surface of the circular part, and comprising a central opening having a diameter from 20% to 50% of a diameter of the circular part; and', 'a plurality of screens held in the upper portion of the charging column above locations of the central portion intended to support the substrates., 'a trapping device comprising at least one material capable of trapping at least some contaminants present in fresh gas introduced into the chamber through the fresh gas inlet, the trapping device including9. The vertical furnace of claim 8 , wherein the blades are removable.10. The vertical furnace of claim 9 , wherein at least the screen placed in an upper-most location in the upper portion comprises a central orifice.11. The vertical furnace of claim 10 , wherein all or some of the screens positioned between the ...

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 ...

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 ...

SMOKE AND VAPOR FILTER DEVICE

A reusable smoke and vapor filter device having particular application to be held against the lips of a smoker to receive smoke or vapor that is blown into the device from the lungs of the smoker. The filter device includes a replaceable filter casing within which a disposable compound filter is carried by which a majority of the smoke or vapor is trapped and absorbed. By virtue of the foregoing, the presence of smoke or vapor that would otherwise be exhausted into the atmosphere is avoided. The filter casing can be removed from the reusable filter device and replaced with a new filter casing having a new compound filter without having to discard the entire device. The compound filter carried by the filter casing includes activated carbon granules to absorb the smoke and vapor and an oil soaked material having a fragrance to deodorize the smoke or vapor. 1. A filter device having first and opposite ends and into which a supply of smoke or vapor is blown , said filter device comprising:a smoke and vapor inlet located at the first end of said filter device for receipt of the supply of smoke or vapor;a filter base located at the opposite end of said filter device; anda disposable filter casing having first and opposite ends and within which a smoke and vapor filter is carried, said smoke and vapor inlet being detachably connected to the first end of said disposable filter casing and said filter base being detachably connected to the opposite end of said disposable filter casing, whereby said disposable filter casing is connected between said smoke and vapor inlet and said filter base so that said smoke and vapor filter carried by said disposable filter casing receives the supply of smoke or vapor by way of said inlet,said smoke and vapor inlet and said filter base being detachable from the respective first and opposite ends of said disposable filter casing in order for said disposable filter casing to be removed from said filter device and replaced by a different ...

AIR PURIFIER

Disclosed is an air purifier apparatus for purifying air from pollutants. The air purifier apparatus includes a housing having a front side, a rear side, a top side and a bottom side; a back cover having meshes attached to the rear side of the housing; a front cover having meshes attached to the front side of the housing; a rectangular box having one or more frames configured within the housing and in between the back cover and the front cover; an inner rotor motor configured in at least one of the frame of the rectangular box near to the front cover; a backward centrifugal wind wheel configured in at least one of the frame of the rectangular box rotates to suck air through the back cover, wherein the inner rotor motor rotates the backward centrifugal wind wheel; one or more filters configured in between the back cover and the rectangular box to filter air from pollutants received through the back cover; wherein the rotation creates a vacuum in between at least one of the one or more filters and the centrifugal wind wheel, the vacuum results in sucking of the air through the back cover and further releases the purified air through the meshes of the front cover. 2. The air purifier apparatus according to further comprising a motor mounting bracket for mounting the inner rotor motor in at least one of the frames of the rectangular box.3. The air purifier apparatus according to further comprising a motor holder for holding the inner rotor motor onto the motor mounting bracket.4. The air purifier apparatus according to further comprising air flow guide ring configured within the rectangular box for guiding the purified air through the backward centrifugal wind wheel.5. The air purifier apparatus according to further comprising a power/speed switch configured on the front cover to receive power from a power supply and further passing the power to the inner rotor motor.6. The air purifier apparatus according to further comprising a particle sensor configured in the ...

CIRCULAR CYLINDER AIR FILTER

A circular cylinder air filter includes an inner cylindrical frame, an outer cylindrical frame, a circular disc, a bonding base and a non-woven fabric cover. The outer cylindrical frame is coaxially arranged around the inner cylindrical frame. The circular disc is fastened to a first end of the inner cylindrical frame and the outer cylindrical frame. The bonding, base is fastened to an opposite second end of the inner cylindrical frame and the outer cylindrical frame. A first opening of the bonding base communicates with a first hollow region between the inner cylindrical frame and the outer cylindrical frame. A second opening of the bonding base communicates with a second hollow region within the inner cylindrical frame. The air filter medium is filled into the first hollow region through the first opening. The fabric cover encloses the outer cylindrical frame circular disc and bonding base to expose the second opening. 1. A circular cylinder air filter comprising:a hollow inner cylindrical frame having a plurality of first filter webs;a hollow outer cylindrical frame being coaxially disposed around the inner cylindrical frame and having a plurality of second filter webs;a circular disc fastened to a first end of the inner cylindrical frame and the outer cylindrical frame;a bonding base fastened to an opposite second end of the inner cylindrical frame and the outer cylindrical frame, the bonding base having a first opening and a second opening, the first opening communicates with a first hollow region between the inner cylindrical frame and the outer cylindrical frame, the second opening communicates with a second hollow region within the inner cylindrical frame;a plurality of air filter medium being filled into the first hollow region through the first opening, wherein the air filter medium has a dimension that is greater than any filter hole of the first filter webs and the second filter webs; anda non-woven fabric cover enclosing the outer cylindrical frame, the ...

APPARATUS TO PURIFY FRESH AIR USING BIODEGRADABLE FILTER

An apparatus to purify fresh air contains at least three types of filters such as high efficient particle filter chemical filter and two stage electrostatic filters The said filters are secured to fresh air unit that is secured to the wall or window of the building. Particularly, the present invention contains low noise fan to reduce noises entering from outside. The said particle filters and chemical filters are either in rolled form or in plate form with protrusions to have effective filtration. More particularly, the present invention relates to an apparatus for purifying freshly supplied air from outdoor environment and recirculates the indoor air by using new type easily installable and serviceable, filters that are environmentally friendly biodegradable filters. 1. An apparatus to purify fresh air using biodegradable filter comprises:Fresh air unit;Wherein the said fresh air unit comprises of:At least one Housing unit;At least one High efficient particle filter;At least one Chemical filter;Plurality of protrusions;Particle filter media;At least one Two-stage electrostatic filters;One or more Brush type carbon fibers;One or more Grounded frames;At least one Fresh air inlet;At least one Low pressure one way rubber valve;One or more Low noise fans;2. Apparatus as claimed in claim 1 , wherein the said particle filter is either in rolled form or in plate form.3. Apparatus as claimed in claim 1 , wherein the said particle filter media is either conductive claim 1 , medium conductive claim 1 , non-conductive or combination of all.4. Apparatus as claimed in claim 1 , wherein the said filter has plurality of protrusions formed on filter film.5. Apparatus as claimed in wherein the said chemical filter is selected from the mixture of several compounds such as activated carbon claim 1 , impregnated activated carbon claim 1 , zeolite claim 1 , sodium bicarbonate etc. having sizes of granulates claim 1 , that are suitable for gluing without blocking significantly adsorption ...

Rotating Separator with Housing Preventing Separated Liquid Carryover

A rotating separator has a housing preventing separated liquid carryover. A plenum between the annular rotating separating filter element and the housing sidewall has one or more flow path separating guides minimizing the flow of separated liquid to the outlet. The flow path guides may include one or more fins and/or swirl flow dampers and/or a configured surface.

Filter insert, and filter comprising a filter insert and a housing

A filter () for removing oil from air exiting an air compressor or a vacuum pump includes a housing () and at least one filter element (), the end region of which is adhesively bonded to a flange (). The flange () has a flanged edge () and a bead () which is adjacently arranged to the edge, the edge and the bead together forming a groove () into which the filter element () and an adhesive () is introduced. 1911. A filter insert () for separating liquids from gases , the filter insert configured for installation into a receptacle in a housing () , comprising:{'b': 12', '13, 'at least one hollow cylindrical filter element (, );'}{'b': 12', '13', '12', '13, 'a flange adhesively bonded onto an axial end of the at least one hollow cylindrical filter element (, ), the adhesive arranged at and extending into an axial end region of the at least one hollow cylindrical filter element (, );'}{'b': 14', '15', '12', '13, 'wherein the flange () has an axially inwardly extending edge () that is flanged and arranged in a radial interior of the at least one hollow cylindrical filter element (, );'}{'b': 14', '16', '15', '12', '13, 'wherein the flange () has an axially inwardly extending bead () arranged adjacently to the radially inner edge () and at a radially outer side of the at least one hollow cylindrical filter element (, );'}{'b': 17', '14, 'wherein spacing of the edge and bead form an axially inwardly open circular groove () in the axially inner side of the flange ();'}{'b': 12', '13', '17', '14, 'wherein the axial end of the at least one hollow cylindrical filter element (, ) is arrange in the circular groove () of the flange ();'}{'b': 12', '13', '12', '13', '17', '14, 'wherein the adhesive is arranged within the groove and on the axial end of the at least one hollow cylindrical filter element (, ), the adhesive securing the at least one hollow cylindrical filter element (, ) into the groove () of the flange ().'}29. The filter insert () according to claim 1 , wherein{'b': ...

FILTER BAG ASSEMBLY

Filter bag assembly for use in cleaning of process gas comprising an outer tubular filter bag and one or more inner tubular filter bags separately arranged within the outer tubular filter bag, and said one or more inner tubular filter bags also separately arranged within each other, the one or more inner tubular filter bags and the outer tubular filter bags having an open end and a closed end, and at least one of the inner tubular filter bags and/or the outer tubular filter bag being provided with catalytically active material. 1. A filter bag assembly for use in cleaning of process gas comprising an outer tubular filter bag and one or more inner tubular filter bags separately arranged within the outer tubular filter bag , and said one or more inner tubular filter bags also separately arranged within each other , the one or more inner tubular filter bags and the outer tubular filter bags having an open end and a closed end , and at least one of the inner tubular filter bags and/or the outer tubular filter bag comprising a catalytically active material.2. The filter bag assembly of claim 1 , wherein the catalytically active material in one or more upstream filter bags in flow direction of the process gas through the filter assembly is capable of actively reducing the content of a first component in the process gas claim 1 , said first component being able to reduce a catalytic activity of the catalytically active material of one or more downstream filter bags in flow direction of the process gas and said downstream active filter bag(s) is capable of actively reducing the content of a second component in the process gas.3. The filter bag assembly of claim 2 , wherein the catalytically active material in the one or more upstream filter bags comprises a vanadium oxide and titania.4. The filter bag assembly of claim 2 , wherein the catalytically active material in the one or more downstream filter bags comprises a vanadium oxide claim 2 , titania and palladium in ...

FILTER ASSEMBLY INCLUDING A REMOVABLE OUTLET CONDUIT

A filter assembly comprises a housing defining an internal volume. The housing defines an outlet. A housing ledge extends radially inwards from a rim of the outlet. An outlet conduit comprises an outlet elbow, and an outlet tube extending axially from the outlet elbow towards the housing. The outlet tube is positioned within the housing. A rib extends radially from an outer surface of the outlet tube proximate to the outlet elbow. The rib engages the housing ledge so as to couple the outlet conduit to the housing. A filter element is also positioned within the housing. 1. A filter assembly , comprising:a housing defining an internal volume, the housing defining an outlet, a housing ledge extending radially inwards from a rim of the outlet; an outlet elbow, and', 'an outlet tube extending axially from the outlet elbow towards the housing, the outlet tube positioned within the housing, and a rib extending radially from an outer surface of the outlet tube proximate to the outlet elbow, the rib engaging the housing ledge so as to couple the outlet conduit to the housing; and. a filter element positioned within the housing, the filter element comprising:', 'a filter media defining an axial channel therethrough; and', 'a first end cap coupled to a first end of the filter media proximate to the outlet, the first end cap defining a first end cap opening,', 'wherein the outlet tube extends into the first end cap opening so as to be in fluid communication with the axial channel., 'an outlet conduit, comprising2. (canceled)3. The filter assembly of claim 1 , wherein the first end cap opening defines a first non-circular shape claim 1 , and wherein the outlet tube defines a second non-circular cross-sectional shape corresponding to the first non-circular shape.4. The filter assembly of claim 3 , wherein each of the first non-circular shape and the second non-circular cross-sectional shape comprise an ellipse.5. The filter assembly of claim 3 , wherein an outer cross-sectional ...

Air Cleaner Assemblies and Methods of Use

An air cleaner assembly is disclosed. In one aspect, the air cleaner assembly includes a housing defining an inlet and an outlet, and including an access opening between the inlet and outlet. The air cleaner also includes a filter cartridge received within the housing and covering the access opening. The air cleaner also includes a lock mechanism. The lock mechanism is movable between an unlocked position in which the filter cartridge can be installed and removed from the housing and a locked position in which the filter cartridge is secured within the housing. The filter cartridge and lock mechanism include interacting features allowing the lock mechanism to be moved from the unlocked position to the locked position only when the filter cartridge is installed within the housing. 1. A side-load air filter cartridge comprising:a) a media pack configured for installation into a side opening of an air cleaner housing, the media pack extending along a longitudinal axis between an inlet end and an outlet end, the media pack defining an outer perimeter;b) a seal arrangement operatively positioned with respect to the media pack, the seal arrangement defining an axial seal surface facing towards the outlet flow end, a portion of which is arranged at an oblique angle to the longitudinal axis; andc) a first connection member configured to engage with a lock mechanism of the air cleaner to secure the media pack within the air cleaner housing, the first connection member being operably connected to the media pack with a portion of the first connection member extending axially beyond the media pack outlet flow end.2. The side-load air filter cartridge of claim 1 , further including a second connection member located opposite the first connection member and proximate the first or second axial end.3. The side-load filter cartridge of claim 2 , wherein one or both of the first and second connection members is aligned with a first plane claim 2 , the first plane extending through ...

Filter for a portable industrial air filtration device

Various embodiments of the present disclosure provide a filter for a portable industrial air filtration device. The filter generally includes a body and a limit switch actuator attached to the body. The body includes filter media and a rigidized material. The filter media is attached to the rigidized material, and the body has opposing upper and lower edges. The limit switch actuator includes a head and an actuator connected to and extending from the head. The limit switch actuator is attached to the body such the actuator extends below the lower edge of the body and is configured to actuate a limit switch actuator of an air filtration device when the filter is installed in the air filtration device.

Cover Rigidity Reinforcement Member of Air Cleaner and Air Cleaner Including the Same

An air cleaner includes an intake filter seated on an air cleaner body, an air cleaner cover spaced apart from the intake filter and coupled to the air cleaner body, and a cover rigidity reinforcement member detachably coupled to the intake filter and configured to restrict displacement toward the intake filter. The intake filter includes a non-woven fabric configured to filter foreign matters of introduced outside air, and a filter frame surrounding and fixing a circumference of the non-woven fabric.

FILTER MEDIA SUPPORT CORE

A single support core for a filter media assembly. The single support core includes a single longitudinal tube extending between a first end and a second end. A plurality of orifices are defined in the tube, the orifices align circumferentially along the longitudinal length of the tube. A first plurality of portions defined between the first end and an intermediate annular ring joint and a second plurality of portions defined between the intermediate annular ring joint and the second end. The orifices in each of the first portions and second portions are equidistance circumferentially from each other defining rings. The rings are equidistant longitudinally from each other in each of the portions and the rings are longitudinally spaced differentially in the adjacent portions. The plurality of orifices direct fluid flow through the tube to yield a high flow velocity in predetermined areas along the length of the filter assembly. 1. A filter assembly comprising:a single support core extending between a first end and a second end;a first end cap arrangement operatively releasably secured to the first end of the single support core;a second end cap arrangement operatively releasably secured to the second end of the single support core;an intermediate annular seal positioned axially on the single support core between the first and second ends;a first filtration stage of filter media releasably mounted to the single support core sealed between the first end cap arrangement and the intermediate seal; anda second filtration stage of filter media releasably mounted to the single support core sealed between the second end cap arrangement and the intermediate seal.2. The filter assembly of claim 1 , further including a first attachment mechanism proximate the first end of the single support core and a second attachment mechanism proximate the second end of the single support core; andwherein the first end cap arrangement includes a first end cap releasably secured to the first ...

WET/DRY VACUUM CLEANER FILTER FOR WET MATERIAL COLLECTION

Vacuum cleaner filters, in particular replaceable vacuum cleaner filters suitable for both wet and wet/dry type vacuum cleaners are disclosed, as well as vacuum cleaner systems incorporating the use of such filters, and methods for their use. The filters include a filter element arranged in a closed circumferential, cylindrically-shaped path, a top end cap having a central orifice capable of constricting a post on a vacuum filter cage, and optionally a molded end ring oppositely-spaced from the top end cap for engagement with the lower motor housing of a vacuum cleaner. 1. A filter for use with a wet/dry vacuum appliance , the filter comprising:an end plate having an opening extending therethrough;a plurality of support struts on the top surface of the end plate;an annular end ring oriented parallel to the end plate; anda foam filter element positioned between the end plate and the end ring and extending in a circumferential path that forms a closed, interior region and circumscribes a central longitudinal axis of the filter, the filter element being integrally formed with the end plate and the annular ring to form a single filter assembly,wherein the opening in the cap is substantially centrally located about the central longitudinal axis of the filter and is circumscribed by an integral retaining ring, andwherein the filter element is made of an open-cell polyurethane foam.2. The filter of claim 1 , wherein the open-cell polyurethane foam has a cell structure with about 10 pores per inch (ppi) to about 60 ppi.3. (canceled)4. The filter of claim 1 , further comprising a first cylindrical claim 1 , concentric mesh screen filter element oriented on the interior face of the foam filter element and extending between the end plate and the end ring claim 1 , the mesh screen filter element having a plurality of air-flow openings in the mesh.5. The filter of claim 4 , further comprising a second cylindrical claim 4 , concentric mesh screen filter element claim 4 , the ...

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 ...

Connector and joined pleated filter sections

A baghouse and filter assembly is provided for at least partially removing particulate matter from a gas stream. The filter assembly includes a first and second filter sections to be coupled together by a coupler for establishing fluid communication between the first and second filter sections when connected. The coupler includes a first coupling portion including an interior passage through which the gas stream can pass in an axial direction between the first and second filter sections and a hook projecting from the first coupling portion. The coupler includes a gasket that sealingly engages both the first and second coupling portions when the first coupling portion is connected with the second coupling portion to form a substantially gas-tight seal.

ASSEMBLED AIR CLEANER

An assembled air cleaner comprises an air blowing box, a plurality of first filter boxes that are stacked in a vertical direction and disposed above the air blowing box, and an air inlet box disposed on top of the topmost first filter box. At least one filter is provided inside the first filter boxes. Each first filter box has a bottom wall and a flange protruding upwardly around a peripheral edge of the bottom wall. The flange is configured to hold against a bottom of the filter in an airtight manner A plurality of airtight members are provided on each first filter box and can be pressed against the filter, thereby improving filtering and dust collection effects greatly. 1. An assembled air cleaner , comprising an air blowing box , a plurality of first filter boxes that are stacked in a vertical direction and disposed above the air blowing box , and an air inlet box disposed on top of the topmost first filter box; an air blower capable of generating a vacuum suction force being disposed inside the air blowing box , each first filter box being a hollow box to form an accommodating room therein , the accommodating room being configured to accommodate at least one filter , an air inlet being disposed at an outer side of the air blowing box , characterized in that:each first filter box has a bottom wall extending horizontally and inwardly from a peripheral edge of a bottom thereof, a closed flange protrudes upwardly around a peripheral edge of the bottom wall, the flange is configured to hold against a bottom of the filter in an airtight manner, a plurality of engaging seats are symmetrically disposed around an inner wall of each first filter box;a plurality of airtight members made of an elastically deformable material are slideably disposed on the engaging seats of each first filter box respectively, each airtight member includes a top surface that can be pressed down by the bottom wall of the upper first filter box and a bottom surface that can be pressed against ...

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.

METHOD OF STERILIZATION VERIFICATION

A method of verifying sterilization comprises performing a sterilization cycle on a sterilizing cabinet, opening the door with the first filter overlying the vent port by a single user being non-sterile and ungowned and examining the first filter, by the single user being non-sterile and ungowned, to verify the integrity of the sterilization cycle in the sterilizing device, determining if the integrity of the first filter is acceptable by the single user being non-sterile and ungowned, and removing, by the single user being sterile and gowned, through the access port at least one tray from the interior of the sterilizing cabinet if the integrity of the first filter is acceptable. 1. A method for verifying sterilization , the method comprising:performing a sterilization cycle on a sterilizing cabinet having an access port, an interior having at least one tray sized to retain a plurality of medical instruments, and a door having a vent port and a filter overlying the vent port, the door connected to the sterilizing cabinet and moveable between an open position and a closed position;opening the door with the first filter overlying the vent port by a single user being non-sterile and ungowned;examining the first filter, by the single user being non-sterile and ungowned, to verify the integrity of the sterilization cycle in the sterilizing device;determining if the integrity of the first filter is acceptable by the single user being non-sterile and ungowned;removing, by the single user being sterile and gowned, through the access port at least one tray from the interior of the sterilizing cabinet if the integrity of the first filter is acceptable.2. The method for verifying sterilization of claim 1 , further comprising the step of disposing the at least one tray within a sterile field.3. The method for verifying sterilization of claim 1 , wherein the door in the open position permits passage through the access port to an interior of the sterilizing cabinet and in the ...

DUST EXTRACTION UNIT

A dust extraction unit is disclosed including a first and a second air filter removable and mountable within the dust extraction unit and a body defining an air flow path which passes through the first and the second air filters when the first and the second air filters are mounted within the body of the dust extraction unit. The body of the dust extraction unit comprises a first portion operable to receive the first air filter and a second portion operable to receive the second air filter. The first and second portions are connected by a hinge so that the first portion is moveable between a first configuration in which the first and second portion define an air flow path though the dust extraction unit and a second configuration which provides access to the portion of the dust extraction unit operable to receive the second air filter. 1. A dust extraction unit comprising:a first and a second air filter removable and mountable within the dust extraction unit;a body defining an air flow path operable to receive the first and the second air filter, the air flow path passing through the body and through the first and the second air filters when the first and the second air filters are mounted within the body and exiting the dust extraction unit;the body of the dust extraction unit characterized by:a first portion operable to receive the first air filter and a second portion operable to receive the second air filter, the first and the second portions being connected by a hinge so that the first portion is moveable between a first configuration in which the first and the second portion define an air flow path though the dust extraction unit and a second configuration which provides access to the portion of the dust extraction unit operable to receive the second air filter;wherein the first and the second air filters are releasably clamped within the body of the dust extraction unit, the clamping of the air filters being such to form an air tight seal between the filter ...

AIR FILTER WITH IMPROVED PERFORMANCE OR POSITIONING

Radial seal filter assemblies and filter cartridges are described. According to various embodiments, a filter includes a housing that extends along an axis between first and second axial ends. A primary filter element is disposed in the housing and axially extends between first and second axial ends that respectively are adjacent the first and second axial ends of the housing, the primary filter element has a hollow interior and a first axial length. A secondary filter element is disposed in the hollow interior of the primary filter element, the secondary filter element having a second axial length, the second axial length being longer than the first axial length of the primary filter element. The filter further includes an end cap disposed on the second axial end of the primary filter element. 1. A filter comprising:a housing that extends along an axis between first and second axial ends;a primary filter element that is disposed in the housing and axially extends between first and second axial ends that respectively are adjacent the first and second axial ends of the housing, the primary filter element has a hollow interior, the primary filter element has a first axial length;a secondary filter element disposed in the hollow interior of the primary filter element, the secondary filter element has a second axial length, the second axial length is longer than the first axial length of the primary filter element; andan end cap disposed on the second axial end of the primary filter element.2. The filter of claim 1 , wherein the end cap includes an opening and the secondary filter element extends through the opening.3. The filter of claim 1 , wherein the housing includes a main body and a cover removably secured to the main body in a closed position.4. The filter of claim 3 , wherein the cover includes a cylindrical flange that provides an axial sealing surface for the end cap.5. The filter of claim 3 , wherein the cover includes a transparent or substantially ...

Apparatus for Collecting and Filtering Arc By-Products

An apparatus for collecting and filtering contaminated air expelled from a switchgear assembly following an arc fault. The apparatus includes a plenum extending from an inlet opening to an outlet opening, the inlet opening configured for sealing engagement with the switchgear assembly, so as to receive the contaminated air expelled thereby. At least one filter is arranged within the plenum for filtering arc by-products from the contaminated air. The apparatus is configured to direct the contaminated air through the at least one filter to produce filtered air, and to exhaust the filtered air from the outlet opening. 1. An apparatus for collecting and filtering contaminated air expelled from a switchgear assembly following an arc fault , comprising:a plenum extending from an inlet opening to an outlet opening, the inlet opening configured for sealing engagement with the switchgear assembly, so as to receive the contaminated air expelled thereby; andat least one filter arranged within the plenum for filtering arc by-products from the contaminated air;wherein the apparatus is configured to direct the contaminated air through the at least one filter to produce filtered air, and to exhaust the filtered air from the outlet opening.2. The apparatus according to claim 1 , further comprising a blast arrestor arranged upstream of the at least one filter and configured to reduce a flow rate of the contaminated air.3. The apparatus according to claim 1 , further comprising a fan configured to draw the contaminated air through the at least one filter claim 1 , and to exhaust the filtered air from the outlet opening.4. The apparatus according to claim 3 , further comprising an arc detecting device that activates the fan upon detecting the arc fault.5. The apparatus according to claim 2 , wherein the blast arrestor comprises a perforated metal sheet.6. The apparatus according to claim 5 , wherein the perforated metal sheet is arranged at the inlet opening.7. The apparatus according ...

Filter Insert as well as Fluid Filter

A filter insert for installation in a fluid filter has at least one main separator for separating liquid from aerosol. The main separator is supported at a main separator support tube. The filter insert further has at least one post separator for separating liquid from aerosol that is supported at a post separator support tube. The post separator is arranged downstream of the main separator in a flow direction of a fluid to be cleaned. The post separator is arranged concentric to the main separator and is radially spaced by an intermediate space from the main separator. The post separator support tube is configured to add axial elasticity to the support tube. 1. A filter insert for installation in a fluid filter , the filter insert comprising:at least one main separator configured to separate liquid from aerosol;a main separator support tube, wherein the at least one main separator is arranged about the main separator support tube and the main separator support tube supports the at least one main separator;at least one post separator configured to separate liquid from aerosol;a post separator support tube, wherein the at least one post separator is arranged about the post separator support tube and the post separator support tube supports the at least one post separator;wherein the at least one post separator is arranged downstream of the at least one main separator in a flow direction of a fluid to be cleaned;wherein the at least one post separator is arranged concentric to the at least one main separator and is radially spaced by an intermediate space from the at least one main separator;wherein the post separator support tube comprises axial elasticity.2. The filter insert according to claim 1 , wherein the filter insert is substantially hollow cylindrical and comprises a first end face and a second end face claim 1 , wherein the filter insert comprises a first end disk covering the first end face and a second end disk covering the second end face claim 1 , ...

FILTER BAG ASSEMBLY COMPRISING CATALYTIC MATERIAL

Filter bag assembly for use in cleaning of process gas comprising an outer filter bag and one or more inner filter bags separately arranged within the outer filter bag, and said one or more inner filter bags also separately arranged within each other, the one or more inner filter bags and the outer filter bags are provided with catalytically active material. 1. A filter bag assembly for use in cleaning of process gas comprising an outer filter bag and least a first and second inner filter bag , the first inner bag arranged within the outer filter bag , and the second inner bag arranged within the first inner bag , the at least first and second inner filter bags and the outer filter bags having an open end and a closed end , wherein the first inner bag is catalyzed with a first SCR catalyst composition comprising at least one of oxides of manganese , iron and cerium supported on titania and wherein the second inner bag is catalyzed with a second catalyst composition comprising palladium in metallic and/or oxidic form.2. The filter bag assembly of claim 1 , wherein the first SCR catalyst composition further comprises a vanadium oxide and titania.3. The filter bag assembly of claim 1 , wherein the second catalyst composition further comprises a vanadium oxide and titania.4. The filter bag assembly of claim 1 , wherein the outer filter bag is catalysed with a third catalyst composition free of palladium and comprising a vanadium oxide and titania.5. The filter bag assembly of claim 2 , wherein the vanadium oxide comprises vanadium(V)oxide.6. The filter bag assembly of claim 1 ,wherein the outer filter bag and at least first and second filter bag are made of woven fabric or needle felt of individual organic or inorganic fibers.7. The filter bag assembly of claim 6 , wherein the organic or inorganic fibers comprise glass fibre material.8. The filter bag assembly of claim 1 ,wherein the outer tube is provided with a polymeric membrane on the outside of the outer bag that ...

Filter Devices Methods and System

A pocket filter adapted for filtering grease and other liquid aerosols has first and second depth loading media with a separator that prevents wicking thereby to extend filter life and capacity. The first layer is also of lower efficiency than the second to distribute loading and further extend life. The spacer may be of unwoven fiber mesh. Various feature of the pocket filter ensure free flow of effluent streams. 17.-. (canceled)8. The filter of claim 24 , wherein the first and second filtration layers and the separation layer form a single multilayered textile.9. The filter of claim 25 , wherein the first and second filtration layers and the separation layer form a single multilayered textile sheet formed into pockets.10. The filter of claim 25 , wherein the first and second filtration layers and the separation layer form pockets arranged as a pocket filter.11. The filter of claim 25 , wherein the first and second filtration layers and the separation layer form pockets of a pocket filter claim 25 , further comprising an open cell material between the pockets and positioned to prevent the walls of adjacent pockets from directly contacting claim 25 , the open cell material permitting gas to flow therethrough.12. The filter of claim 25 , wherein the first and second filtration layers and the separation layer form pockets of a pocket filter claim 25 , further comprising a frame with respective portions extending into the interiors of each of the pockets.13. The filter of claim 25 , wherein the first and second filtration layers and the separation layer form pockets arranged as a pocket filter and the first filtration layer is of uniform structure while the second filtration layer has a backing of higher tensile strength than a remainder of the second filtration layer claim 25 , whereby the second filtration layer supports the first filtration layer and the separation layer.14. The filter of claim 25 , wherein the first and second filtration layers and the separation ...

Hollow Filter Element of a Filter for Filtering Fluid, Filter, Filter Housing, and Seal of a Hollow Filter Element

A hollow filter element, in particular a multiple-bellows hollow filter element () of a filter () for filtering fluid, in particular air, water, fuel, oil, or urea-water solution, in particular of an internal combustion engine, in particular of a motor vehicle, a filter (), a filter housing () of a filter (), and a seal () of a hollow filter element () are described. The hollow filter element () comprises at least two filter bellows (), which each comprise at least one filter medium (), through which flow can occur for filtering of the fluid. The at least two filter bellows () at least partially delimit at least one element interior (). The hollow filter element () comprises at least one end body ( ) on an axial front and/or rear end side () of the hollow filter element () with respect to an element axis (). The hollow filter element () comprises at least one seal (), which is arranged at least partially circumferentially with respect to the element axis () in the region of at least one of the end sides () of the hollow filter element (). The at least one seal () comprises at least one partially circumferential radial outer and/or radial inner seal section (), which can cooperate with at least one corresponding sealing surface () of a filter housing () of the filter () to form a radial seal with respect to the element axis (). 1. A hollow filter element of a filter for filtering fluid , comprising: at least one filter medium, through which flow can occur for filtering of the fluid, and which at least partially delimits at least one element interior;', 'at least one end body secured on an axial front and/or rear end face of the hollow filter element with respect to an element axis; and', 'at least one seal arranged at least partially circumferentially with respect to the element axis proximate to the axial front and/or rear end face of the hollow filter element;', 'wherein the at least one seal comprises at least one partially circumferential radial outer and/or ...

Filter, Hollow Filter Element, and Filter Housing of a Filter, and Seal of a Hollow Filter Element

A filter () for filtering fluid, in particular air, water, fuel, oil, or urea-water solution, in particular of an internal combustion engine, in particular of a motor vehicle, a multiple-bellows hollow filter element (), a filter housing () of a filter (), and a seal () of a hollow filter element () are described. The filter () comprises at least one filter housing (), which comprises at least one inlet () for fluid to be filtered and at least one outlet () for filtered fluid. At least one hollow filter element, in particular a multiple-bellows hollow filter element () can be arranged in the at least one filter housing () such that it separates the at least one inlet () from the at least one outlet (). The at least one filter housing () comprises at least one first housing part () having at least one installation opening () for the at least one hollow filter element (), which can be closed using at least one second housing part (). The at least one hollow filter element () comprises at least one filter bellows (), which comprises at least one filter medium (), through which flow can occur for filtering of the fluid. The at least one filter bellows () at least partially delimits at least one element interior (). An element axis () of the at least one hollow filter element () extends coaxially, axially, or in parallel in relation to an installation/removal axis of the at least one hollow filter element (), in relation to which the hollow filter element () can be installed in the filter housing () and removed from the filter housing () through the at least one installation opening () in parallel, axially, or coaxially. 1. A filter for filtering fluid , including: at least one inlet for fluid to be filtered; and', 'at least one outlet for filtered fluid;, 'at least one filter housing having'}wherein the filter housing is configured to receive at least one multiple-bellows hollow filter element such that it separates the at least one inlet from the at least one outlet; ...

METHODS, APPARATUS AND PRODUCTS FOR FILTERING

A device for filtering a gas stream, having a vessel partitioned into a first stage and a second stage, with an opening between stages. A filter element is positioned in the opening, with ends of the filter element extending into the first and second stages. The first member is removable from the second member while the filter element is positioned in the opening, to allow for replacement with a new clean member. 1. A apparatus for filtering a gas comprisingA vessel having a partition dividing the vessel into a first stage and a second stage, wherein the partition defines an opening providing liquid communication between the stages; and,A filter element positioned in the opening comprising first member having a first connection end and a first filtering characteristic, and a second member having a second connection end and a second filtering characteristic, wherein the first and second members are connected by a connection system in which the first connection end and the second connection end form a mating pair to provide the connection, wherein at least a portion of the first member extends into the first stage, and at least a portion of the second member extends into the second stage, wherein the first member is removable from the second member while the filter element is positioned in the opening, and wherein the first filtering characteristic and the second filtering characteristic are the same or different.2. The apparatus of claim 1 , wherein the first and second connection ends form a mating pair by at least one of snapping claim 1 , bolting claim 1 , friction fitting claim 1 , interlocking claim 1 , engaging claim 1 , coupling claim 1 , hook/looping claim 1 , adhering claim 1 , adhesion with a time released adhesive claim 1 , adhesion with a solvent releasing adhesive claim 1 , magnetic coupling claim 1 , locking claim 1 , and threadably engaging.3. The apparatus of claim 1 , further comprising a replacement member for the first member.4. The apparatus of ...

FILTER ASSEMBLY AND DRYER FOR THE SAME

A f filter assembly includes a primary filter; a secondary filter into which the primary filter is detachably inserted; a case detachably coupled to the primary filter and comprising a plurality of air inlet holes; and at least one blade being rotatably coupled to the secondary filter and configured to compresses first foreign substances collected in the primary filter based on the primary filter moving in a first direction in which the primary filter is drawn out from the secondary filter. 1. A filter assembly comprising:a primary filter;a secondary filter into which the primary filter is detachably inserted;a case detachably coupled to the primary filter and comprising a plurality of air inlet holes; andat least one blade being rotatably coupled to the secondary filter and configured to compresses first foreign substances collected in the primary filter based on the primary filter moving in a first direction in which the primary filter is drawn out from the secondary filter.2. The filter assembly of claim 1 , wherein the at least one blade is changed from a first position to a second position as the primary filter moves in the first direction claim 1 , and is changed back to the first position from the second position as the primary filter moves in a second direction opposite to the first direction claim 1 , the at least one blade not being in contact with an inner side of the primary filter at the first position and being in contact with the inner side of the primary filter at the second position.4. The filter assembly of claim 3 , wherein the at least one blade is configured to maintain the second position by one side of the operation projection being supported by the one of the pair of guide grooves based on the operation projection being inserted into the pair of guide grooves.5. The filter assembly of claim 3 , wherein a center of gravity of the at least one blade is deviated to one blade of the pair of main blades such that a position of the at least one ...

Filter Core and Manufacturing Method Thereof

A filter core and manufacturing method thereof, the filter core has a wavy filtering sheet and a flat filtering sheet. The filtering sheets are for filtering suspended pollutants, and respectively have multiple corrugations axially arranged apart from each other. Therefore, channels formed between the filtering sheets also have corrugations formed on inner walls of the channels after the filtering sheets are adhered. The corrugations on the inner walls of the channels are also axially arranged apart from each other, and form concave and convex portions. As a result, when fluid, such as air, axially moves in the channels, the suspended pollutants on the fluid may hit, gather and accumulate on the corrugations, thereby slowing the fluid flow and providing one more filtering process. In addition, the corrugations on the filtering sheets also increase a filtering area. To sum up, the filter core can enhance the filtering effect. 1. A filter core comprising: multiple corrugations formed on the wavy filtering sheet and axially arranged apart from each other; and', 'multiple peaks formed on the wavy filtering sheet and extending axially; wherein the peaks and the corrugations of the wavy filtering sheet are perpendicular to each other in extending direction;, 'a wavy filtering sheet for filtering suspended pollutants, the wavy filtering sheet having'} 'multiple corrugations formed on the flat filtering sheet and axially arranged apart from each other; wherein the corrugations of the wavy filtering sheet and the corrugations of the flat filtering sheet correspond to each other in amount, shape and position;', 'a flat filtering sheet for filtering suspended pollutants, the flat filtering sheet having'}wherein the wavy filtering sheet and the flat filtering sheet are rolled into shape of a cylinder and are alternately stacked to form multiple layers of the wavy filtering sheet and layers of the flat filtering sheet;multiple channels formed between the wavy filtering sheet and ...

AIR FILTER ASSEMBLY

An air filter assembly having a primary filter element, a secondary filter element, and a housing with an outlet tube is disclosed. The primary filter element is operably installed within the housing and has an interior volume. The secondary filter element is operably installed within the primary filter element interior volume and has an interior volume defined by a first wall extending between a closed end cap and an opposite open end cap. The open end cap of the secondary filter element defines a sealing structure having a first portion extending into the secondary filter interior volume. The outlet tube is operably connected to the housing air outlet opening and includes an inset collar being at least partially disposed within the secondary filter interior volume and extending over at least a part of the sealing structure first portion. 19.-. (canceled)10. A safety filter element comprising:(a) a first wall of media extending between a closed end cap and an opposite open end cap, the first wall and end caps defining an interior volume, the open end cap defining a sealing structure having a first portion extending into the interior volume;(b) an internal liner adjacent to the first wall of media and within the interior volume defined by the first wall of media; and(c) an inset collar secured to the internal liner of the safety filter element and being at least partially disposed within the interior volume adjacent to the open end cap.11. The safety filter element of claim 10 , wherein the inset collar includes registration means for positively engaging an outlet tube of an air filter assembly.12. The safety filter element of claim 10 , wherein the inset collar has a length less than a length of the first portion of the sealing structure.13. The safety filter element of claim 10 , wherein the inset collar has a length equal to or greater than a length of the first portion of the sealing structure.14. The safety filter element of claim 10 , wherein the inset collar ...

METHODS OF OPERATING A FILTERING APPARATUS

Methods for operating a device for filtering a gas stream, having a vessel partitioned into a first stage and a second stage, with an opening between stages. A filter element is positioned in the opening, with ends of the filter element extending into the first and second stages. The first member is removable from the second member while the filter element is positioned in the opening, to allow for replacement with a new clean member. 1. A method of operating a filtering apparatus , wherein the filtering apparatus comprises a vessel having a partition dividing the vessel into a first stage and a second stage , wherein the partition defines an opening providing liquid communication between the stages , a riser extending from the opening , said riser having a first end with a straight portion and a second end with a flared portion , with the straight portion positioned nearer the opening than the flared portion , and further comprises a filter element positioned in the riser comprising a first member having a first connection end and a first filtering characteristic and a second member having a second connection end and a second filtering characteristic , wherein the first and second members are connected by a connection system in which the first connection end and the second connection end form a mating pair to provide the connection , with the second connection end defining a first groove extending circumferentially around the second connection end with a first seal member residing in the first groove , wherein at least a portion of the second connection end is positioned in the riser with the first seal member engaging the straight portion of the riser , wherein at least a portion of the first member extends toward the first stage , wherein at least a portion of the second member extends toward the second stage , and wherein the first filtering characteristic and the second filtering characteristic are the same or different , the method comprising:Separating the ...

AIR PURIFIER

A portable air filtration and purification system with a portable housing having three sides and an open area. The open area facilitates filter replacement. A pre-filter is positioned within the housing. A fan assembly having a fan housing and fan blades is also positioned within the housing and is adjacent the pre-filter. A post-filter is adjacent the fan assembly and is positioned within the housing such that the pre-filer and the post-filter sandwich the fan assembly. The pre-filter intercepts the air flow into the portable air filtration and purification system before the air flows through the fan. The post-filter intercepts the air after it flows through the fan. 1. A portable air filtration and purification system comprising:a portable housing having three sides and an open area, the open area configured to facilitate filter replacement;a pre-filter positioned within the housing;a fan assembly having a fan housing and fan blades, the fan assembly positioned within the housing and being adjacent the pre-filter; anda post-filter adjacent the fan assembly and positioned within the housing such that the pre-filer and the post-filter sandwich the fan assembly;wherein:the pre-filter intercepts the air flow into the portable air filtration and purification system before the air flows through the fan, andthe post-filter intercepts the air after it flows through the fan.2. The system of claim 1 , wherein the filters are pleated filters with a Minimum Efficiency Reporting Value (MERV) rating of 8 or better.3. The system of claim 1 , wherein the pre-filter has at least two pleats claim 1 , the at least two pleats being positioned 45 degree angles apart from one another.4. The system of claim 1 , wherein the post-filter has at least two pleats claim 1 , the at least two pleats being positioned 45 degree angles apart from one another.5. The system of claim 3 , wherein the at least two pleats are positioned at unequal angles with respect to one another.6. The system of ...

AIR CLEANER

An air cleaner includes a fan that is configured to suck air in an axial direction and discharge air between the axial direction and a radial direction. The air cleaner further includes a fan motor that is configured to rotate the fan. The air cleaner further includes an air guide unit that includes a cylindrical outer wall and an inner wall that is located in a center portion of the outer wall and that defines a space that is configured to receive the fan motor. The air guide unit defines an annular air flow path that is configured to receive air discharged by the fan and that is defined by an inner circumferential surface of the outer wall and an outer circumferential surface of the inner wall. The air guide unit further includes a plurality of guide ribs. The air guide unit further includes a plurality of flow guide protrusions. 1. An air cleaner comprising:a fan that is configured to suck air in an axial direction and discharge air between the axial direction and a radial direction;a fan motor that is configured to rotate the fan; and includes (i) a cylindrical outer wall and (ii) an inner wall that is located in a center portion of the outer wall and that defines a space that is configured to receive the fan motor;', 'defines an annular air flow path that is configured to receive air discharged by the fan and that is defined by an inner circumferential surface of the outer wall and an outer circumferential surface of the inner wall;', 'includes a plurality of guide ribs that are spaced apart from each other in a circumferential direction, that are located in the annular air flow path, that each have a curved plate shape that includes a positive pressure surface that pushes air and is concave and a negative pressure surface that is opposite the positive pressure surface and that is convex, and that each include a cutoff portion that connects a lower end of a respective guide rib to a side of the respective guide rib close to the outer wall; and', 'includes a ...

FILTER ELEMENT, AIR CLEANER, AND METHODS

A filter element is provided according to the present invention. The filter element includes: (a) a media pack arrangement having first and second opposite ends, said media pack arrangement comprising: (i) an inner liner defining a safety central open volume; (ii) a multilayer laminate media construction circumscribing the inner liner and having a first end and a second end, wherein the multilayer laminate media construction comprises: (A) a filtration media layer arranged in a waved configuration, wherein the filtration media layer has a first side and a second side; (B) a first fibrous support layer adjacent the first side of the filtration media layer arranged in the waved configuration; (b) a first end cap at the first end of the media pack arrangement; said first end cap having a central aperture in flow communication with said safety central open volume; and (c) a second end cap at the second end of the media pack arrangement; said second end cap being a closed end cap. An air cleaner is provided, and a media pack is provided. 1. A filter element comprising: (i) an inner liner defining a safety central open volume;', (A) a filtration media layer arranged in a waved configuration, wherein the filtration media layer has a first side and a second side;', '(B) a first fibrous support layer adjacent the first side of the filtration media layer arranged in the waved configuration;, '(ii) a multilayer laminate media construction circumscribing the inner liner and having a first end and a second end, wherein the multilayer laminate media construction comprises], '(a) a media pack arrangement having first and second opposite ends, said media pack arrangement comprising(b) a first end cap at the first end of the media pack arrangement; said first end cap having a central aperture in flow communication with said safety central open volume; and(c) a second end cap at the second end of the media pack arrangement; said second end cap being a closed end cap.2. A filter ...

Filter frame assembly

Embodiments of the inventions include a filter frame and an air filter. The air filter has filtration media and a wood fiber-based filter frame securing filtration media. The filter frame having an upstream facing surface. The upstream facing surface having an orientation substantially perpendicular to a direction of air flow through the filter. The filter additionally having a plurality of sides coupled to the upstream facing surface, the plurality of sides having an orientation substantially parallel to the direction of air flow through the filter, the direction of air flow through the filter defining an exterior side of the filter frame; and a folded edge defined between the upstream facing surface and a first side of the plurality of sides, the folded edge having a debossing on the exterior side of the filter frame.

Sterilizing Method and Apparatus

Methods and apparatus for sterilization are presented. An exemplary embodiment includes a sterilizing cabinet assembly. The sterilizing cabinet includes a cabinet having an access port, a door connected to the cabinet, the door moveable between an open position permitting passage through the access port to an interior of the cabinet and a closed position precluding passage through the access port. The sterilizing cabinet assembly also includes at least one of the cabinet and the door having a vent port. The sterilizing cabinet has a primary filter overlying the vent port and forming a sealed interface with an adjacent portion of the one of the cabinet and the door and a secondary filter overlying at least a portion of the primary filter. 120.-. (canceled)21. A sterilizing cabinet assembly for use in a sterilization process , the sterilizing cabinet assembly , comprising:(a) a cabinet having a top wall, a bottom wall, right and left sidewalls, and a rear wall;(b) an opening in the cabinet sized to pass a plurality of trays, each tray sized to retain a plurality of medical instruments, the opening extending between the left sidewall and the right sidewall and between the top wall and the bottom wall, and lying in a plane spaced from the rear wall;(c) a door moveable between an open position permitting passage of the tray through the opening to an interior of the cabinet and a closed position precluding passage of the tray through the opening;(d) the door having a vent port; and(e) a filter overlying the vent port and forming a sealed interface between confronting surfaces of the door and the cabinet in the closed position of the door.22. The sterilizing cabinet assembly for use in a sterilization process of claim 21 , wherein the sealed interface between confronting surfaces of the door and the cabinet is a single claim 21 , continuous seal.23. The sterilizing cabinet assembly for use in a sterilization process of claim 21 , wherein the opening in the cabinet is ...

AIR CLEANER

An operation mode of an air cleaner is changed according to the degree of indoor air contamination and an indoor space condition, and one or more filters of the air cleaner can be easily cleaned. The air cleaner includes a housing, an inlet located at a lower part of the housing, a filter assembly, an outlet, and a brush unit. The filter assembly is located above the inlet, and a diameter of the filter assembly is gradually shortened in the direction from an upper part of the filter assembly to a lower part of the filter assembly. The discharge port is located above a second filter assembly. The brush unit is used to eliminate contaminants from an outer surface of the filter assembly. 1. An air cleaner comprising:a housing;an inlet located at a lower part of the housing;a filter assembly located above the inlet, a diameter of which is gradually shortened in a direction from an upper part of the filter assembly to a lower part of the filter assembly;an outlet located above the second filter assembly; anda brush unit configured to separate contaminants attached to an outer surface of the filter assembly.2. The air cleaner according to claim 1 , wherein the filter assembly includes a first filter assembly and a second filter assembly located above the first filter assembly.3. The air cleaner according to claim 1 , further comprising:a discharge member located above the filter assembly, and formed to have the outlet while movable in a vertical direction.4. The air cleaner according to claim 3 , wherein the discharge member includes:a first outlet formed at a side surface of the discharge member; anda second outlet formed at a top surface of the discharge member.5. The air cleaner according to claim 4 , wherein the discharge member is configured to operate in any one of a first discharge mode and a second discharge mode claim 4 , whereinin the first discharge mode, the first outlet is inserted into the housing, and air is discharged outside only through the second outlet ...

Bi-directional filtering air circulation cover for cardan shafts

An air circulation cover which provides circulation of air between the inner volume and the external environment and the yoke shaft and the sleeve yoke of the cardan shaft, and prevents the ingress of foreign matter into the inner volume. The cover has a ring-shaped main body providing air passage to the center part, a body support member that seats the main body inside the cover assembly housing, a diaphragm mounted in the center section of body support element, air slots providing air passage located on the body of diaphragm, a wide surface filter element, a filter support element and a body outer edge.

Filter Device, Especially an Air Filter

A filter device comprises a filter element that is comprised of at least two radially nested filter bellows, wherein at least one filter bellows is to be flown through in the radial direction and a flow space for the fluid is formed between the filter bellows. Each filter bellows is embodied as a star-shaped filter with filter folds arranged in a star shape. On at least one end face of the filter element a sealing ring is arranged between a filter bellows and the filter housing. 1. A multiple bellows air filter element configured for exchangeable installation into and use in a filter housing in which the filter element is flown through by a fluid to be filtered , and in which the filter housing has a cyclone arrangement of individual cyclones having an outflow paths oriented toward an inflow face of the filter element , the filter element comprising:a fluid flow intake side;a fluid outflow side;wherein said outflow side is spaced apart axially from said inflow side;a first flow face on one axial end of the filter element;a second flow face on an opposing axial end of the filter element;{'b': 10', '11', '14', '7, 'claim-text': [{'b': '10', 'a radially outwardly positioned filter bellows ();'}, {'b': '11', 'a filter bellows () that is radially inwardly positioned thereto;'}], 'at least two radially nested filter bellows (,) arranged radially surrounding a central axis extending through an interior () of the filter element (), the at least two filter bellows including{'b': 10', '11, 'wherein at least one filter bellows (, ) of said at least two filter bellows is to be flown through in a radial direction;'}wherein the outwardly positioned filter bellows and the inwardly positioned filter bellows each extend from the first flow face to the second flow face;wherein one of the flow faces of the filter element is an inflow face arranged at the fluid flow intake side;an annular ring-shaped flow opening extending through the second flow face into the interior of the filter ...

STERILIZING METHOD AND APPARATUS

Methods and apparatus for sterilization are presented. An exemplary embodiment includes a sterilizing cabinet assembly. The sterilizing cabinet includes a cabinet having an access port, a door connected to the cabinet, the door moveable between an open position permitting passage through the access port to an interior of the cabinet and a closed position precluding passage through the access port. The sterilizing cabinet assembly also includes at least one of the cabinet and the door having a vent port. The sterilizing cabinet has a primary filter overlying the vent port and forming a sealed interface with an adjacent portion of the one of the cabinet and the door and a secondary filter overlying at least a portion of the primary filter. 120.-. (canceled)21. A sterilization cabinet assembly comprising:(a) a cabinet having an access port;(b) a door connected to the cabinet, the door moveable between an open position permitting passage through the access port to an interior of the cabinet and a closed position precluding passage through the access port;(c) at least one of the cabinet and the door having a vent port;(d) a first filter holder engaging a primary filter overlying the vent port to an adjacent portion of the one of the cabinet and the door surrounding the vent port;(e) a secondary filter overlying at least a portion of the primary filter; and(f) a second filter holder moveable between an engaged position and a separated position, the second filter holder overlying the secondary filter, wherein the second filter holder is detached from the secondary filter and the primary filter when the second filter holder is in the separated position, while maintaining the sealed interface between the primary filter and the adjacent portion of the one of the cabinet and the door.22. The sterilization cabinet assembly according to claim 21 , wherein the secondary filter forms a sealed periphery with one of the primary filter claim 21 , an adjacent portion of the cabinet ...

Air Filtering System

An air filtering system includes a main system and a filtering module. The main system includes a main body having an air inlet, an air flow cover having an air outlet, and a primary filtering core replacably disposed in the main body, wherein the air flow cover is detachably coupled at the main body to form a basic air filtering mode for filtering air from the air inlet to the air outlet through the primary filtering core. The filtering module is detachably coupled between the main body and the air flow cover to form an advanced air filtering mode, wherein the filtering module includes a secondary filtering core arranged for filtering the air after passing through the primary filtering core and before existing the air outlet. 1. An air filtering system , comprising:a main system which comprises a main body having an air inlet, an air flow cover having an air outlet, and a primary filtering core replacably disposed in said main body, wherein said air flow cover is detachably coupled at said main body to form a basic air filtering mode for filtering air from said air inlet to said air outlet through said primary filtering core; andat least a filtering module detachably coupled between said main body and said air flow cover to form an advanced air filtering mode, wherein said filtering module comprises a secondary filtering core arranged for filtering the air after passing through said primary filtering core and before existing said air outlet.2. The air filtering system claim 1 , as recited in claim 1 , wherein said filtering module further comprises a housing to receive said second filtering core therein claim 1 , wherein said housing has a first edge rim detachably coupled at said main body and an opposed second edge rim detachably coupled at said air flow cover to support said secondary filtering core between said primary filtering core and said air outlet.3. The air filtering system claim 2 , as recited in claim 2 , further comprising a connection structure which ...

AXIAL FLOW FILTER

An axial flow filter contains: a filtration unit. The filtration unit includes at least one filtering material and plural connection materials. Each filtering material spirally rolls outward from its inner end, and said each filtering material has a small-diameter portion formed on the inner end thereof and has a large-diameter portion arranged on an outer end thereof. Between the small-diameter portion and the large-diameter portion defines a height difference, said each filtering material rolls outward to define a gap between any two adjacent filter layers, and a first connection material is fixed between said any two adjacent filter layers and is coated along a middle section of said each filtering material as said each filtering material rolls outward, such that said any two adjacent filter layers of the at least one filtering material are spaced at a fixed distance so as to stop the gap. 1. An axial flow filter comprising:a filtration unit including at least one filtering material and plural connection materials, each of the at least one filtering material spirally rolling outward from its inner end, and said each filtering material having a small-diameter portion formed on the inner end thereof and having a large-diameter portion arranged on an outer end thereof, between the small-diameter portion and the large-diameter portion defining a height difference, said each filtering material of the filtration unit rolling outward to define a gap between any two adjacent filter layers, a first connection material being fixed between said any two adjacent filter layers and being coated on and along a middle section of said each filtering material as said each filtering material rolls outward, such that said any two adjacent filter layers of the at least one filtering material are spaced at a fixed distance so as to stop the gap.2. The axial flow filter as claimed in claim 1 , wherein the small-diameter portion of said each filtering material has a first wrinkle ...

HIGH EFFICIENCY PAINT ARRESTANCE FILTER

Various examples of the inventive subject matter include a method and corresponding system for fabricating a combination paint arrestance filter for use in the painting industry. Embodiments of the system include a single-stage combination filter having a number of first layer media pockets and a number of second layer media pockets arranged downstream of the first layer pockets. An opening of each of the first layer media pockets is arranged in parallel with one another to receive an incoming airflow into the single-stage combination filter. Each of the second layer media pockets is at least 99.97% efficient at removing 0.3 micron and larger particles at a face velocity on the filter of about 37 meters per minute. 1. A method of forming a combination filter , the method comprising:cutting a first layer media material;cutting a second layer HEPA media material;alternately interleaving the first layer media material and the second layer HEPA media material to form a pair of the first layer media material and the second layer HEPA media material;folding the pair of the first layer media material and the second layer HEPA media material with the first layer media material being arranged inside of the second layer HEPA media material;sealing sides of the folded pair of the first layer media material and the second layer HEPA media, material;inserting a rigid material into an open edge of the folded pair of the firs layer media material and the second layer HEPA media material, thus forming a pocket assembly; andinserting a plurality of the pocket assemblies in parallel to one another into a header assembly.2. The method of claim 1 , further comprising selecting dimensions of the combination filter to have a form-factor to fit into a standard filter wall as used in the painting industry.3. The method of claim 1 , further comprising selecting the first layer media material and the second layer HEPA media material to have a combined initial pressure drop of about 60 Pascal ...

STERILIZING METHOD AND APPARATUS

Methods and apparatus for sterilization are presented. An exemplary embodiment includes a sterilizing cabinet assembly. The sterilizing cabinet includes a cabinet having an access port, a door connected to the cabinet, the door moveable between an open position permitting passage through the access port to an interior of the cabinet and a closed position precluding passage through the access port. The sterilizing cabinet assembly also includes at least one of the cabinet and the door having a vent port. The sterilizing cabinet has a primary filter overlying the vent port and forming a sealed interface with an adjacent portion of the one of the cabinet and the door and a secondary filter overlying at least a portion of the primary filter. 120-. (canceled)21. An apparatus for sterilizing a plurality of medical instruments , the apparatus comprising:(a) a sterilizing cabinet having a top wall, a bottom wall, sidewalls connecting the top wall and the bottom wall, and a rear wall, at least one of the sidewalls including at least one vent, the sterilizing cabinet having an access port sized to pass a plurality of trays for holding the plurality of medical instruments;(b) a door moveable relative to the access port between an open position and a closed position;(c) a first filter sized to overlie the at least one vent in the one of the sidewalls; and(d) a first filter holder moveable between a first position permitting placement of the first filter relative to the at least one vent in the one of the sidewalls and a second position retaining the first filter relative to the at least one vent in the one of the sidewalls.22. The apparatus of claim 21 , wherein the second position of the first filter holder retains the first filter against an adjacent portion of the sterilizing cabinet.23. The apparatus of claim 21 , further comprising a removable spacer to support at least one of the plurality of medical instruments or the plurality of trays holding the plurality of medical ...

Biological Fluid Filtration System

A biological fluid filtration system for scanning a biological fluid so as to filter potentially undesirable constituents from the biological fluid for therapeutic or diagnostic purposes. The biological fluid filtration system generally includes a fluid receiving device adapted to receive a biological fluid. A valve including an inlet, a first outlet, and a second outlet is fluidly connected to the fluid receiving device. The biological fluid within the fluid receiving device is scanned by a scanner to produce scanned data relating to the biological fluid. A control unit in communication with the scanner and the valve receives the scanned data and controls the valve based on the scanned data. The valve is controlled to direct the biological fluid through either the first or second outlet of the valve depending upon the constituents of the biological fluid identified by the control unit. 1. A biological fluid filtration system , comprising:a fluid receiving device adapted to receive a biological fluid;a valve comprising an inlet, a first outlet, and a second outlet, wherein the inlet of the valve is fluidly connected to the fluid receiving device;a scanner configured to scan the biological fluid within the fluid receiving device to produce a scanned data relating to the biological fluid within the fluid receiving device; anda control unit in communication with the scanner and the valve, wherein the control unit is configured to receive the scanned data from the scanner, and wherein the control unit is configured to control the valve based on the scanned data from the scanner;wherein the control unit is configured to control the valve to (a) direct the biological fluid through the first outlet if the control unit determines that the scanned data indicates a presence of an undesirable constituent within the biological fluid or (b) direct the biological fluid through the second outlet if the control unit determines that the scanned data does not indicate a presence of ...

Biological Fluid Filtration System

A biological fluid filtration system for scanning a biological fluid so as to filter potentially undesirable constituents from the biological fluid for therapeutic or diagnostic purposes. The biological fluid filtration system generally includes a fluid receiving device adapted to receive a biological fluid. A valve including an inlet, a first outlet, and a second outlet is fluidly connected to the fluid receiving device. The biological fluid within the fluid receiving device is scanned by a scanner to produce scanned data relating to the biological fluid. A control unit in communication with the scanner and the valve receives the scanned data and controls the valve based on the scanned data. The valve is controlled to direct the biological fluid through either the first or second outlet of the valve depending upon the constituents of the biological fluid identified by the control unit.

Biological Fluid Filtration System

A biological fluid filtration system for scanning a biological fluid so as to filter potentially undesirable constituents from the biological fluid for therapeutic or diagnostic purposes. The biological fluid filtration system generally includes a fluid receiving device adapted to receive a biological fluid. A valve including an inlet, a first outlet, and a second outlet is fluidly connected to the fluid receiving device. The biological fluid within the fluid receiving device is scanned by a scanner to produce scanned data relating to the biological fluid. A control unit in communication with the scanner and the valve receives the scanned data and controls the valve based on the scanned data. The valve is controlled to direct the biological fluid through either the first or second outlet of the valve depending upon the constituents of the biological fluid identified by the control unit. 1. A biological fluid filtration system , comprising:a fluid receiving device including a droplet generator, wherein the droplet generator is configured to receive a biological fluid, wherein the droplet generator is configured to encapsulate a cell from the biological fluid within a droplet, and wherein the droplet generator includes a plurality of immiscible phase channels;a valve comprising an inlet, a first outlet, and a second outlet, wherein the inlet of the valve is fluidly connected to the droplet generator;a scanner configured to scan the droplet within the droplet generator to produce a scanned data relating to the droplet; anda control unit in communication with the scanner and the valve, wherein the control unit is configured to receive the scanned data from the scanner, and wherein the control unit is configured to control the valve based on the scanned data from the scanner;wherein the control unit is configured to control the valve to (a) direct the droplet through the first outlet if the control unit determines that the scanned data indicates a presence of an ...

Biological Fluid Filtration System

A biological fluid filtration system for scanning a biological fluid so as to filter potentially undesirable constituents from the biological fluid for therapeutic or diagnostic purposes. The biological fluid filtration system generally includes a fluid receiving device adapted to receive a biological fluid. A valve including an inlet, a first outlet, and a second outlet is fluidly connected to the fluid receiving device. The biological fluid within the fluid receiving device is scanned by a scanner to produce scanned data relating to the biological fluid. A control unit in communication with the scanner and the valve receives the scanned data and controls the valve based on the scanned data. The valve is controlled to direct the biological fluid through either the first or second outlet of the valve depending upon the constituents of the biological fluid identified by the control unit. 1. A biological fluid filtration system , comprising:a fluid receiving device adapted to receive a biological fluid;a valve comprising an inlet, a first outlet, and a second outlet, wherein the inlet of the valve is fluidly connected to the fluid receiving device;a scanner configured to scan the biological fluid within the fluid receiving device to produce a scanned data relating to the biological fluid within the fluid receiving device; anda control unit in communication with the scanner and the valve, wherein the control unit is configured to receive the scanned data from the scanner, and wherein the control unit is configured to control the valve based on the scanned data from the scanner;wherein the control unit is configured to compare the scanned data to a reference data, wherein the reference data includes a characteristic of at least one desirable constituent and a characteristic of an optical artifact;wherein the control unit is configured to control the valve to (a) direct the biological fluid through the first outlet if the control unit determines that the scanned data ...

Biological Fluid Filtration System

A biological fluid filtration system for scanning a biological fluid so as to filter potentially undesirable constituents from the biological fluid for therapeutic or diagnostic purposes. The biological fluid filtration system generally includes a fluid receiving device adapted to receive a biological fluid. A valve including an inlet, a first outlet, and a second outlet is fluidly connected to the fluid receiving device. The biological fluid within the fluid receiving device is scanned by a scanner to produce scanned data relating to the biological fluid. A control unit in communication with the scanner and the valve receives the scanned data and controls the valve based on the scanned data. The valve is controlled to direct the biological fluid through either the first or second outlet of the valve depending upon the constituents of the biological fluid identified by the control unit.

Biological Fluid Filtration System

A biological fluid filtration system for scanning a biological fluid so as to filter potentially undesirable constituents from the biological fluid for therapeutic or diagnostic purposes. The biological fluid filtration system generally includes a fluid receiving device adapted to receive a biological fluid. A valve including an inlet, a first outlet, and a second outlet is fluidly connected to the fluid receiving device. The biological fluid within the fluid receiving device is scanned by a scanner to produce scanned data relating to the biological fluid. A control unit in communication with the scanner and the valve receives the scanned data and controls the valve based on the scanned data. The valve is controlled to direct the biological fluid through either the first or second outlet of the valve depending upon the constituents of the biological fluid identified by the control unit.

Biological Fluid Filtration System

A biological fluid filtration system for scanning a biological fluid so as to filter potentially undesirable constituents from the biological fluid for therapeutic or diagnostic purposes. The biological fluid filtration system generally includes a fluid receiving device adapted to receive a biological fluid. A valve including an inlet, a first outlet, and a second outlet is fluidly connected to the fluid receiving device. The biological fluid within the fluid receiving device is scanned by a scanner to produce scanned data relating to the biological fluid. A control unit in communication with the scanner and the valve receives the scanned data and controls the valve based on the scanned data. The valve is controlled to direct the biological fluid through either the first or second outlet of the valve depending upon the constituents of the biological fluid identified by the control unit. 1. A portable biological fluid filtration system , comprising:a housing including an inlet and an outlet, wherein the inlet of the housing is adapted to receive a biological fluid from a patient;a fluid filtration device including an inlet, a first outlet, and a second outlet, wherein the inlet of the fluid filtration device is fluidly connected to the inlet of the housing, wherein the fluid filtration device is adapted to receive the biological fluid, and wherein the second outlet of the fluid filtration device is fluidly connected to the outlet of the housing;wherein the fluid filtration device is configured to separate a first subset of constituents and a second subset of constituents from the biological fluid, wherein the first subset of constituents includes an undesirable constituent, wherein the second subset of constituents does not include the undesirable constituent, wherein the fluid filtration device is configured to direct the first subset of constituents through the first outlet of the fluid filtration device, and wherein the fluid filtration device is configured to ...

Biological Fluid Filtration System

A biological fluid filtration system for scanning a biological fluid so as to filter potentially undesirable constituents from the biological fluid for therapeutic or diagnostic purposes. The biological fluid filtration system generally includes a fluid receiving device adapted to receive a biological fluid. A valve including an inlet, a first outlet, and a second outlet is fluidly connected to the fluid receiving device. The biological fluid within the fluid receiving device is scanned by a scanner to produce scanned data relating to the biological fluid. A control unit in communication with the scanner and the valve receives the scanned data and controls the valve based on the scanned data. The valve is controlled to direct the biological fluid through either the first or second outlet of the valve depending upon the constituents of the biological fluid identified by the control unit. 1. A biological fluid filtration system , comprising:a presorting device adapted to receive a biological fluid, wherein the presorting device is adapted to separate a first subset of constituents of the biological fluid from a second subset of constituents of the biological fluid, wherein the presorting device includes a first outlet and a second outlet;an isolation channel fluidly connected to the first outlet of the presorting device, wherein the presorting device is adapted to direct the first subset of constituents to the isolation channel;a fluid filtration device fluidly connected to the second outlet of the presorting device, wherein the presorting device is adapted to direct the second subset of constituents to the fluid filtration device, wherein the fluid filtration device is fluidly connected to the isolation channel; anda return channel fluidly connected to the fluid filtration device;wherein the fluid filtration device is adapted to (a) direct the second subset of constituents to the isolation channel if the fluid filtration device determines that the second subset of ...

Biological Fluid Filtration System

A biological fluid filtration system for scanning a biological fluid so as to filter potentially undesirable constituents from the biological fluid for therapeutic or diagnostic purposes. The biological fluid filtration system generally includes a fluid receiving device adapted to receive a biological fluid. A valve including an inlet, a first outlet, and a second outlet is fluidly connected to the fluid receiving device. The biological fluid within the fluid receiving device is scanned by a scanner to produce scanned data relating to the biological fluid. A control unit in communication with the scanner and the valve receives the scanned data and controls the valve based on the scanned data. The valve is controlled to direct the biological fluid through either the first or second outlet of the valve depending upon the constituents of the biological fluid identified by the control unit. 1. A biological fluid filtration system , comprising:a fluid filtration device adapted to receive a biological fluid, wherein the fluid filtration device includes a first outlet and a second outlet;wherein the fluid filtration device is configured to separate a first subset of constituents and a second subset of constituents from the biological fluid, wherein the fluid filtration device is configured to direct the first subset of constituents through the first outlet, and wherein the fluid filtration device is configured to direct the second subset of constituents through the second outlet; anda drug infuser device fluidly connected to the second outlet of the fluid filtration device, wherein the drug infuser device is configured to infuse a drug within the second subset of constituents, and wherein the second outlet of the fluid filtration device is fluidly connected to a source of the biological fluid.2. The biological fluid filtration system of claim 1 , wherein the first subset of constituents includes an undesirable constituent.3. The biological fluid filtration system of claim ...

Biological Fluid Filtration System

A biological fluid filtration system for scanning a biological fluid so as to filter potentially undesirable constituents from the biological fluid for therapeutic or diagnostic purposes. The biological fluid filtration system generally includes a fluid receiving device adapted to receive a biological fluid. A valve including an inlet, a first outlet, and a second outlet is fluidly connected to the fluid receiving device. The biological fluid within the fluid receiving device is scanned by a scanner to produce scanned data relating to the biological fluid. A control unit in communication with the scanner and the valve receives the scanned data and controls the valve based on the scanned data. The valve is controlled to direct the biological fluid through either the first or second outlet of the valve depending upon the constituents of the biological fluid identified by the control unit. 1. A method of testing a drug ex vivo on a biological fluid , comprising the steps of:receiving a biological fluid by a fluid filtration device, wherein the fluid filtration device includes a first outlet and a second outlet;separating a first subset of constituents and a second subset of constituents from the biological fluid by the fluid filtration device, wherein the first subset of constituents includes an undesirable constituent;directing the first subset of constituents through the first outlet of the fluid filtration device;directing the second subset of constituents through the second outlet of the fluid filtration device; andtesting a drug on the first subset of constituents.2. The method of claim 1 , further comprising the step of isolating the first subset of constituents ex vivo.3. The method of claim 1 , further comprising the step of applying genomic profiling to the first subset of constituents.4. The method of claim 1 , further comprising the step of applying transcriptomic profiling to the first subset of constituents.5. The method of claim 1 , wherein the ...

Biological Fluid Filtration System

A biological fluid filtration system for scanning a biological fluid so as to filter potentially undesirable constituents from the biological fluid for therapeutic or diagnostic purposes. The biological fluid filtration system generally includes a fluid receiving device adapted to receive a biological fluid. A valve including an inlet, a first outlet, and a second outlet is fluidly connected to the fluid receiving device. The biological fluid within the fluid receiving device is scanned by a scanner to produce scanned data relating to the biological fluid. A control unit in communication with the scanner and the valve receives the scanned data and controls the valve based on the scanned data. The valve is controlled to direct the biological fluid through either the first or second outlet of the valve depending upon the constituents of the biological fluid identified by the control unit. 1. A biological fluid filtration system , comprising:a fluid receiving device adapted to receive a biological fluid;a valve comprising an inlet, a first outlet, and a second outlet, wherein the inlet of the valve is fluidly connected to the fluid receiving device;a scanner configured to scan the biological fluid within the fluid receiving device to produce a scanned data relating to the biological fluid within the fluid receiving device; anda control unit in communication with the scanner and the valve, wherein the control unit is configured to receive the scanned data from the scanner, wherein the control unit is configured to compare the scanned data to a reference data, and wherein the control unit is configured to control the valve based on the scanned data from the scanner;wherein the reference data includes a characteristic of a cell subset;wherein the control unit is configured to control the valve to (a) direct the biological fluid through the first outlet if the control unit determines that the scanned data indicates a presence of the cell subset within the biological fluid ...

Biological Fluid Filtration System

A biological fluid filtration system for scanning a biological fluid so as to filter potentially undesirable constituents from the biological fluid for therapeutic or diagnostic purposes. The biological fluid filtration system generally includes a fluid receiving device adapted to receive a biological fluid. A valve including an inlet, a first outlet, and a second outlet is fluidly connected to the fluid receiving device. The biological fluid within the fluid receiving device is scanned by a scanner to produce scanned data relating to the biological fluid. A control unit in communication with the scanner and the valve receives the scanned data and controls the valve based on the scanned data. The valve is controlled to direct the biological fluid through either the first or second outlet of the valve depending upon the constituents of the biological fluid identified by the control unit. 1. A biological fluid filtration system , comprising:a fluid receiving device adapted to receive a biological fluid;a valve comprising an inlet, a first outlet, and a second outlet, wherein the inlet of the valve is fluidly connected to the fluid receiving device;a scanner configured to scan the biological fluid within the fluid receiving device to produce a scanned data relating to the biological fluid within the fluid receiving device; anda control unit in communication with the scanner and the valve, wherein the control unit is configured to receive the scanned data from the scanner, and wherein the control unit is configured to control the valve based on the scanned data from the scanner;wherein the control unit is configured to control the valve to (a) direct the biological fluid through the first outlet if the control unit determines that the scanned data indicates a presence of a pathogen within the biological fluid or (b) direct the biological fluid through the second outlet if the control unit determines that the scanned data does not indicate the presence of the pathogen ...

OIL SEPARATOR

A purpose of the present invention is to improve the oil removal rate in an oil separator that separates and removes oil from gas including the oil as an impurity. The oil separator according to the present invention is characterized by including a first filter member () in a cylindrical shape made with a cylindrical filter material having an air permeability, and positioned such that the target gas flows in from a hollow part as well as a central axis is in an up-down direction, and a second filter member () made with a filter material having air permeability and wrapped around the first filter member () along an outer surface thereof with a predetermined spacing from the outer surface of the first filter member (). 1. An oil separator that separates oil from a target gas including the oil as an impurity , the oil separator comprising:a first filter member made with a cylindrical filter material in a cylindrical shape having an air permeability, and arranged such that the target gas flows in from a hollow part and a central axis is in an up-down direction; anda second filter member made with a filter material having an air permeability, and wrapped around the first filter member along an outer surface thereof with a predetermined spacing from the outer surface of the first filter member.2. The oil separator according to claim 1 , wherein the predetermined spacing is set wider than a maximum height of a foam of the oil formed on the outer surface of the first filter member by a flow of the target gas.3. The oil separator according to claim 1 , wherein the second filter member is made with a thin filter material having a mesh size larger than that of the first filter member.4. The oil separator according to claim 3 , wherein the second filter member is made of a nonwoven fabric.5. The oil separator according to claim 1 , wherein the first filter member is manufactured by wrapping a nonwoven fabric around a support tube a plurality of times.6. The oil separator ...

Upright two-stage dust collector

An upright two-stage dust collector includes a base unit, a suction blower unit, a filter unit and a dust collecting unit. The suction blower unit has a suction blower body. The filter unit includes a filter body, a coarse particle dust filter cartridge disposed in the filter body, and a fine particle dust filter element disposed in the coarse particle dust filter cartridge. The fine particle dust filter element is coaxially inserted in the coarse particle dust filter cartridge. The air after the first dust collection is filtered by the fine particle dust filter element to perform the second dust collection. Through the combination of the above units, in addition to a two-stage dust collecting effect, the dust collector occupies less space and can be used conveniently.

BREATH SAMPLING FILTER DEVICES AND GAS ANALYZER INCLUDING SAME

A filtering device for use in breath sampling including a filter configured to absorb moisture, a first connector configured to allow connection of a user interface to the filtering device, and a second connector configured for connection to the gas analyzer; wherein the filter is essentially flat, such that when the filtering device is connected to a gas analyzer, the filter is in-line with a panel of the gas analyzer; and wherein a circumference of the first and second connectors are smaller than a circumference of the filter. 1. A filtering device for use in breath sampling , said filtering device comprising:a filter configured to deflect and/or absorb moisture, said filter being essentially flat, such that when connected to a gas analyzer, said filter is in-line with a panel of said gas analyzer;a first connector configured to allow connection of a user interface to said filtering device, anda second connector configured for connection to said gas analyzer;wherein said first and second connectors comprise an inner fluid flow channel configured to allow free flow of breath samples therethrough; andwherein a circumference of said first and second connectors are smaller than a circumference of said filter.2. The filtering device of claim 1 , wherein said circumference is an outer diameter.3. The filtering device of claim 1 , wherein said filter comprises a hydrophobic material at an inner circumference thereof and a hydrophilic material at in outer circumference thereof.4. The filtering device of claim 3 , wherein a ratio of said hydrophobic material and said hydrophilic material is in a range of 1:1-1:100.5. The filtering device of claim 3 , wherein a ratio of said hydrophobic material and said hydrophilic material is in a range of 1:10-1:50.6. The filtering device of claim 3 , wherein said first and second connectors are positioned on opposite sides of said hydrophobic material claim 3 , such that breath samples flowing through said inner fluid flow channel of ...

STERILIZING METHOD AND APPARATUS

A sterilization container for retaining surgical instruments in a sterilizer comprising a plurality of walls defining an interior volume sized to receive at least one instrument tray, least one of the walls defining a venting pass through area, and a filter occluding the venting passage area, wherein a ratio of the venting pass through area to the interior volume is at least 1 square inch:125 cubic inches. 1. A sterilization container for retaining surgical instruments in a sterilizer , the sterilization container comprising:(a) an enclosing wall and a door defining an interior volume sized to receive at least one instrument tray;(b) at least one of the surrounding wall or the door defining a venting pass through area;(c) a filter occluding the venting passage area, wherein a ratio of the venting pass through area to the interior volume is at least 1 square inch to 125 cubic inches.2. The sterilization container of claim 1 , wherein the ratio of the venting pass through area to the interior volume is between 4 square inches to 250 cubic inches and 6 square inches to 1 cubic inch.3. The sterilization container of claim 1 , wherein the venting pass through area is defined by a vent.4. The sterilization container of claim 1 , wherein the venting pass through area is defined by a vent port.5. The sterilization container of claim 1 , wherein the venting pass through area is defined by a plurality of vents.6. The sterilization container of claim 1 , wherein the venting pass through area is defined by a plurality vent ports.7. The sterilization container of claim 1 , wherein the enclosing wall includes a sidewall claim 1 , a top wall and a bottom wall and the venting pass through area is located in at least one of the sidewall claim 1 , the top wall and the bottom wall.8. The sterilization container of claim 1 , wherein the door is moveable between an open and a closed position claim 1 , and wherein the venting pass through area is in the door.9. The sterilization ...

FILTER ELEMENTS, COALESCING BAFFLES, FILTRATION VESSEL AND METHODS

Improvements to filtration and vessels such as for filtration and coalescing of gas streams are shown. A filter element with a partial treated region and untreated region such as providing different surface energies or other filtration characteristics are provided. Various keying arrangements for compatibility and/or rotational locking are shown between the filtration vessel, a tubular coalescing baffle, and/or filter element. The tubular coalescing baffle also may include non-louvered pore structure, which provides for more even flow in a two stage type filtration vessel to prevent premature exiting and reduction of flow velocities along the second stage, and/or may additionally or alternatively include drainage apertures such as drain slot formed along a gravitational bottom or otherwise to facilitate additional drainage of coalesced liquid as opposed to letting such liquid be forced through fluid velocity toward the open end of the tubular baffle. 1. A filter element , comprising:a ring of filter media with an internal central flow passage;an end cap closing an end of the ring of filter media, the end cap comprising a mounting post;a key formed along the mounting post.2. The filter element of claim 1 , wherein the mounting post comprises a circular surface claim 1 , and further comprising a detent formed into the mounting post disrupting the circular surface extending axially along the circular surface.3. The filter element of claim 2 , wherein the mounting post comprises an axially extending groove to provide for the key.4. The filter element of claim 1 , wherein the mounting post comprises a tapered tip and a cylindrical body claim 1 , a key structure extending axially into the cylindrical body and the tapered tip.5. The filter element of wherein the filter element is configured for use with a tubular baffle claim 1 , wherein the key provides means for keying with the tubular baffle having a perforated extension claim 1 , wherein without the key claim 1 , the ...

Biological Fluid Filtration System

A biological fluid filtration system for scanning a biological fluid so as to filter potentially undesirable constituents from the biological fluid for therapeutic or diagnostic purposes. The biological fluid filtration system generally includes a fluid receiving device adapted to receive a biological fluid. A valve including an inlet, a first outlet, and a second outlet is fluidly connected to the fluid receiving device. The biological fluid within the fluid receiving device is scanned by a scanner to produce scanned data relating to the biological fluid. A control unit in communication with the scanner and the valve receives the scanned data and controls the valve based on the scanned data. The valve is controlled to direct the biological fluid through either the first or second outlet of the valve depending upon the constituents of the biological fluid identified by the control unit.

Biological Fluid Filtration System

A biological fluid filtration system for scanning a biological fluid so as to filter potentially undesirable constituents from the biological fluid for therapeutic or diagnostic purposes. The biological fluid filtration system generally includes a fluid receiving device adapted to receive a biological fluid. A valve including an inlet, a first outlet, and a second outlet is fluidly connected to the fluid receiving device. The biological fluid within the fluid receiving device is scanned by a scanner to produce scanned data relating to the biological fluid. A control unit in communication with the scanner and the valve receives the scanned data and controls the valve based on the scanned data. The valve is controlled to direct the biological fluid through either the first or second outlet of the valve depending upon the constituents of the biological fluid identified by the control unit.

HANDHELD VACUUM CLEANER

A handheld vacuum cleaner including a fluid flow path, a main body including a handle, a fluid flow motor positioned in the fluid flow path, a dirt collection region, and a cyclone chamber in the fluid flow path. The cyclone chamber includes a first end wall, a second end wall, a sidewall extending along a cyclone axis, a cyclone dirt outlet formed in the sidewall, a cyclone dirty fluid inlet, and a cyclone clean fluid outlet. A duct extends between the cyclone dirt outlet and the dirt collection region. The duct includes an upstream wall and a downstream flow-diverting wall forming a downstream boundary of the cyclone dirt outlet. The duct widens between the upstream wall and the downstream flow-diverting wall in a downstream direction away from the cyclone dirt outlet. 1. A vacuum cleaner comprising:a fluid flow path extending from a dirty air inlet to a clean air outlet;a main body including a handle;a fluid flow motor positioned in the fluid flow path;a dirt collection region; a first end wall, a second end wall, and a sidewall extending along a cyclone axis,', 'a cyclone dirt outlet formed in the sidewall,', 'a cyclone dirty fluid inlet, and', 'a cyclone clean fluid outlet; and, 'a cyclone chamber in the fluid flow path, the cyclone chamber including,'}a duct extending between the cyclone dirt outlet and the dirt collection region, the duct including an upstream wall and a downstream flow-diverting wall forming a downstream boundary of the cyclone dirt outlet, the downstream flow-diverting wall intersecting the fluid flow path adjacent the second end wall, wherein the duct widens between the upstream wall and the downstream flow-diverting wall in a downstream direction away from the cyclone dirt outlet.2. The vacuum cleaner of claim 1 , wherein the duct is arranged in a radial direction from the cyclone axis.3. The vacuum cleaner of claim 2 , wherein a radial line in the radial direction passes through the duct without intersecting the upstream wall or the ...

AIR CLEANER REPLACEABLE FILTER CARTRIDGES; AND, METHODS

An air cleaner assembly, a main filter element, a safety element, combinations and methods for servicing an air cleaner assembly are provided according to the present invention. The air cleaner assembly includes an air cleaner housing and a main filter element. The air cleaner housing includes a safety liner that supports the main filter element, and can be configured to help reduce the tendency of the main filter element to rotate during use of the air cleaner assembly. A safety element having two open ends, for use with such an assembly is described. 1. An air cleaner assembly comprising: (i) a housing main filter element sealing surface;', '(ii) a housing safety filter element sealing surface; and,', '(iii) a liner secured to, and extending from, the main housing first end in extension toward the second open end of the main housing; the liner having an open support structure and a remote end from the the housing first end;, '(a) an air cleaner housing comprising a main housing having: a first end with an axial air flow outlet; and, a second, open, end; the main housing including (i) the safety filter element comprising media extending between first and second ends;', '(ii) a seal member positioned on the safety filter element and oriented to form a radially directed seal with the housing safety filter element sealing surface; and,', '(iii) an end piece positioned on the second end of the safety filter and oriented with a portion thereof surrounding a portion of the liner remote end;, '(b) a safety filter element removably positioned over the liner;'} (i) the first end of the media of the main air filter element having a main filter first end cap thereon with an air flow exit aperture therethrough;', '(ii) a radially directed seal on the main filter first end cap releasably sealed to the housing main filter element sealing surface; and,', '(iii) a second, closed, main filter end piece positioned adjacent the second end of the media of the main filter element; the ...

AIR CLEANER ASSEMBLIES

A filter cartridge configured to be removably positionable within an inner opening of a housing, wherein the filter cartridge includes a media pack having an inlet end, an outlet end, and an outer surface having an outer peripheral shape, at least one of: (a) a frame member at least partially surrounding the media pack, the frame member including a frame wall having a shape that is different from the outer perimeter shape of the media pack; and (b) a shell at least partially surrounding the media pack, the shell including a shell wall having a shape that is different from the outer perimeter shape of the media pack, and a sealing member extending at least partially around the inlet end of the media pack, wherein the sealing member connects the media pack to at least one of the frame member and the shell. 1. A filter cartridge configured to be removably positionable within an inner opening of a housing , wherein the filter cartridge comprises:a media pack comprising an inlet end, an outlet end, and an outer surface having an outer peripheral shape;at least one of:(a) a frame member at least partially surrounding the media pack, the frame member comprising a frame wall having a shape that is different from the outer perimeter shape of the media pack; and(b) a shell at least partially surrounding the media pack, the shell comprising a shell wall having a shape that is different from the outer perimeter shape of the media pack; anda sealing member extending at least partially around the inlet end of the media pack, wherein the sealing member connects the media pack to at least one of the frame member and the shell.2. The filter cartridge of claim 1 , in combination with a housing comprising an inlet end claim 1 , an outlet end claim 1 , and an inner opening between the inlet and outlet ends defined by a housing wall having an inner peripheral shape.3. The combination of claim 2 , comprising the shell claim 2 , wherein the shell wall has an outer shape that generally ...

VEHICLE CABIN FILTER ASSEMBLY

A vehicle cabin filter assembly comprising a housing and a plurality of filter modules mounted to the housing. The filter modules comprise a first filter module, a second filter module positioned downstream of the first filter module, and a third filter module positioned downstream of the second filter module. Each filter module comprises a particulate filter element, and at least one of the filter modules comprises a gas filter element. The second filter module has a separation efficiency higher than the first filter module, and the third filter module has a separation efficiency higher than the second filter module. 1. A vehicle cabin filter assembly comprising:a housing; anda plurality of filter modules mounted to the housing,wherein the plurality of filter modules comprises a first filter module, a second filter module positioned downstream of the first filter module, and a third filter module positioned downstream of the second filter module, each filter module comprises a particulate filter element, the second filter module has a separation efficiency higher than the first filter module, the third filter module has a separation efficiency higher than the second filter module, and at least one of the filter modules comprises a gas filter element.2. The filter assembly in of claim 1 , wherein the at least one of the filter modules comprises a further particulate filter element claim 1 , wherein the particulate filter element is positioned upstream of the gas filter element claim 1 , the further particulate filter element is positioned downstream of the gas filter element claim 1 , and the further particulate filter element has a separation efficiency higher than the particulate filter element.3. The filter assembly of claim 1 , wherein the gas filter element comprises granules of an adsorbent.4. The filter assembly of claim 1 , wherein the third filter module provides HEPA-grade filtration.5. The filter of claim 1 , wherein the filter elements of the second and ...

FILTER ELEMENTS, COALESCING BAFFLES, FILTRATION VESSEL AND METHODS

Improvements to filtration and vessels such as for filtration and coalescing of gas streams are shown. A filter element with a partial treated region and untreated region such as providing different surface energies or other filtration characteristics are provided. Various keying arrangements for compatibility and/or rotational locking are shown between the filtration vessel, a tubular coalescing baffle, and/or filter element. The tubular coalescing baffle also may include non-louvered pore structure, which provides for more even flow in a two stage type filtration vessel to prevent premature exiting and reduction of flow velocities along the second stage, and/or may additionally or alternatively include drainage apertures such as drain slot formed along a gravitational bottom or otherwise to facilitate additional drainage of coalesced liquid as opposed to letting such liquid be forced through fluid velocity toward the open end of the tubular baffle. 1. A filter element configured for receipt into a keyed tubular baffle having a tubular extension defining a plurality of pores , the tubular extension comprises first and second open ends , a cap portion coupled to one of the first and second open ends , the cap portion comprising an end plate with a post projecting from one side that provides a hollow receiver , a key projection along the post and projecting inwardly in the hollow receiver , the filter element comprising:a tubular filter media extension with an internal central flow passage having a first stage end and a second stage end, the second stage end sized to be received within the tubular baffle;a seal disposed along the tubular filter media extension between the first stage end and the second stage end to separate a first filter stage and a second filter stage;a first stage end cap closing the first stage end of the tubular filter media extension;a second stage end cap closing the second stage end of the tubular filter media extension, the second stage end ...

COLLECTOR ASSEMBLY FOR A GASEOUS FLUID FOR A RADIAL REACTOR

The invention concerns a collector assembly () for a gaseous fluid suitable for being disposed in a reaction section with a moving bed of catalyst of a radial reactor. The collector assembly comprises a vertical cylindrical screen (), permeable to gas and impermeable to particles of catalyst, and a vertical cylindrical tube () which is supported by this screen () and disposed in a concentric manner with respect to the screen. The tube () comprises one or more zones () which are permeable to gaseous fluid, comprising a plurality of through holes and a plurality of zones () with a reduced permeability to gaseous fluid compared with the permeable zone. Each zone with a reduced permeability has a porosity, defined as the ratio between total permeable surface area of the zone and total developed surface area of this zone, in the range 0 to 0.005. 18910910171718181818a,ba,b,c,d. A collector assembly () for a gaseous fluid suitable for being disposed in a reaction section with a moving bed of catalyst of a radial reactor , said collector assembly comprising a vertical cylindrical screen () which is permeable to gaseous fluid and impermeable to particles of catalyst , and a vertical cylindrical tube () which is supported by said screen () and disposed in a concentric manner with respect to said screen , said tube being permeable to gaseous fluid and impermeable to particles of catalyst , in which the tube () comprises one or more zones () which are permeable to gaseous fluid comprising a plurality of through holes and a plurality of zones () with a “reduced permeability” to gaseous fluid compared with the permeable zone , each zone with reduced permeability having a lower porosity than that of a zone which is said to be permeable , the porosity of the zones being defined as the ratio between the total permeable surface area of said zone and the total developed surface area of said zone , and in which the porosity of a zone with reduced permeability is in the range 0 to 0. ...

Filter Insert and Method for Manufacturing a Filter Insert

A filter insert for installation in a housing, having at least one substantially hollow cylindrical filter element for separating liquid from aerosol; and at least one covering element designed to cover an axial end region of the filter element; wherein at least one of the the at least one covering element is formed from at least one metal sheet and connected with the filter element with at least one mechanical connection; wherein the mechanical connection between the at least one covering element and the filter element is formed solely by a structure of the at least one covering element produced through deforming or reforming the at least one covering element; wherein the structure of the at least one covering element is configured to clamp the filter element to the at least one covering element. 1. A filter insert for installation in a housing , comprising:at least one substantially hollow cylindrical filter element for separating liquid from aerosol; andat least one covering element designed to cover an axial end region of the filter element;wherein at least one of the at least one covering element is formed from at least one metal sheet and connected with the filter element with at least one mechanical connection;wherein the mechanical connection between the at least one covering element and the filter element is formed solely by a structure of the at least one covering element produced through deforming or reforming the at least one covering element;wherein the structure of the at least one covering element is configured to clamp the filter element to the at least one covering element.2. The filter insert according to claim 1 , whereinthe structure of the at least one covering element has at least one groove which is substantially U-shaped when seen in a section along a longitudinal axis of the filter insert and at least one radial covering element bead, which is arranged on one of two sides of the at least one groove; the at least one groove receives the axial ...

Personal air filtration apparatus and method

An apparatus and methods for air filtration are disclosed. The apparatus includes a body and first and second replaceable filters. The body of the apparatus further contains an air-exchange assembly and a filter receiver attached to the air exchange assembly. The air-exchange assembly contains an exhaust tube with an open end and a closed end, two wings on opposite sides of the exhaust tube, and an intake check valve and an exhaust check valve inside the exhaust tube. The first replaceable filter surrounds the filter receiver; and the second replaceable filter is inside the filter receiver. Several apertures and the check valves are strategically disposed in the exhaust tube to achieve optimal air filtration and avoid contamination of a user's exhaust.

ASSEMBLIES; COMPONENTS AND FILTER FEATURES THEREOF; AND, METHODS OF USE AND ASSEMBLY

An air cleaner assembly is disclosed, along with related methods. In one aspect, the air cleaner assembly has a housing including a housing body and a removable cover that together define an interior volume for holding a filter cartridge. The housing body can include a first plurality of lugs, wherein each of the first plurality of lugs has a first engagement surface disposed at a first angle that is oblique to a rotational plane of the cover. A second plurality of lugs can be provided on the cover, wherein each of the second plurality of lugs has a second engagement surface disposed at the first angle. A lock mechanism can also be provided that is disposed on the cover, wherein the lock mechanism includes a lock member axially movable between a locked position and an unlocked position to selectively secure the cover to the housing body. 131-. (canceled)32. A lock mechanism for a filter cartridge assembly having a housing body and a removable cover , the lock mechanism comprising:a) a lock member configured to engage with an engagement surface of the housing body; 'i) in the locked position, the locking member exerting a force against the engagement surface resulting from a first portion of the lock member being in a first deflected state due to engagement of the lock member against the engagement surface of the housing body and resulting from a second portion of the lock member being in a second deflected state due to engagement of the lock member against a portion of the removable cover.', 'b) the lock mechanism being movable between an unlocked position and a locked position33. The lock mechanism of claim 32 , further comprising:a) a handle portion for operating the lock mechanism.34. The lock mechanism of claim 33 , wherein the handle being is configured for insertion into the removable cover.35. The lock mechanism of claim 32 , wherein when the lock mechanism is in the unlocked position claim 32 , the first portion of the lock member is in an undeflected state ...

MULTILAYER FILTER WITH ANTIMICROBIAL PROPERTIES AND USE THEREOF IN INDUSTRIAL FILTRATION APPLICATIONS AND PROTECTIVE MASKS

The present invention falls within the area of polymeric materials applied to the sector of manufacturing materials for use in filters for filtration equipment such as ventilators and for protective masks. In particular, the invention relates to multilayer filters for ventilators and protective masks which can be biodegradable and which comprise filtration materials based on ultrafine fibers obtained by electrohydrodynamic and aerohydrodynamic processing and which exercise passive FFP1, FFP2, N95 and FFP3 protection and which can also be washable and have active antimicrobial properties. 1. A multilayer filter characterized in that it comprises at least:{'sup': '2', 'i) An inner layer composed of polymeric filter materials and has a surface density of at least 0.01 g/m;'}{'sup': '2', 'ii) An intermediate layer composed of polymeric fibers, optionally containing antimicrobial substances, and has a surface density of at least 0.01 g/m;'}{'sup': '2', 'iii) An outer layer composed of polymeric filter materials and has a surface density of at least 0.01 g/m.'}2. The multilayer filter according to claim 1 , wherein the inner layer and the outer layer are made of woven or non-woven polymeric filter materials claim 1 , with or without functional additives.3. The multilayer filter according to claim 1 , wherein the polymeric material that makes up the inner layer and the outer layer are independently selected from polypropylene claim 1 , polyamide claim 1 , polyester claim 1 , natural fibers claim 1 , cotton and cellulose claim 1 , or any of the combinations thereof.4. The multilayer filter according to claim 1 , wherein the fibers forming the intermediate layer are made of polyvinylidene fluoride claim 1 , polylactic acid or polyhydroxyalkanoates.5. (canceled)6. The multilayer filter according to claim 1 , wherein the intermediate layer contains an antimicrobial substance selected from zinc oxide claim 1 , zinc oxide nanoparticles or CTAB.7. (canceled)8. The multilayer ...

NANOFIBER STRUCTURAL BODY AND COLLECTING APPARATUS USING THE NANOFIBER STRUCTURAL BODY, AND METHOD OF PRODUCING THE NANOFIBER STRUCTURAL BODY

Based on an electrospinning method, a layer A formed of a polymer continuous phase is formed by: setting a potential difference between an ejection portion configured to eject a polymer solution and a collecting portion configured to collect the polymer nanofibers to a voltage value at which the polymer nanofibers can be spun; and setting the potential of the collecting portion to a low value with respect to a ground potential. Next, a layer B formed of polymer nanofibers and a polymer continuous phase is formed by increasing the potential of the collecting portion without stopping the application of voltages to the ejection portion and the collecting portion. Further, a layer C formed of polymer nanofibers is formed by increasing the potential of the collecting portion without stopping the application of the voltages to the ejection portion and the collecting portion. 1. A polymer nanofiber structural body , comprising:a layer A formed of a polymer continuous phase;a layer B formed of polymer nanofibers and a polymer continuous phase, which partially fills a space between the polymer nanofibers; anda layer C formed of polymer nanofibers,the layer A, the layer B, and the layer C being stacked in the stated order,wherein:polymer abundance ratios of the layer A, the layer B, and the layer C satisfy a relationship of (polymer abundance ratio of layer A)>(polymer abundance ratio of layer B)>(polymer abundance ratio of layer C);the layer C has an average pore diameter of 10 nm or more and 50,000 nm or less;the polymer continuous phase of the layer A, the polymer nanofibers and polymer continuous phase of the layer B, and the polymer nanofibers of the layer C comprise the same polymer material; andthe polymer continuous phase of the layer A is continuous with the polymer continuous phase of the layer B, and at least part of the polymer nanofibers of the layer B are continuous with the polymer nanofibers of the layer C.21. The polymer nanofiber structural body according to ...

Air cleaner

An air cleaner is provided. The air cleaner may include a circular filter assembly, in which a plurality of filters may be stacked, a circular rear or first case including a mount sleeve, on which the filter assembly may be mounted, a circular middle or second case, on which a discharge grille may be disposed, the second case being coupled to a front or first surface of the first case, a circular front or third case coupled to a front or first surface of the second case, and a circular panel attached to a surface of the third case. The filter assembly may include a first filter, a second filter disposed at a side of the first filter to accommodate the first filter, and a third filter disposed at a side of the second filter to accommodate the second filter. Edges of surfaces of the first to third filters may be flush with each other.

Air Cleaner; Replaceable Filter Cartridges; and, Methods

An air cleaner assembly, a main filter element, a safety element, combinations and methods for servicing an air cleaner assembly are provided according to the present invention. The air cleaner assembly includes an air cleaner housing and a main filter element. The air cleaner housing includes a safety liner that supports the main filter element, and can be configured to help reduce the tendency of the main filter element to rotate during use of the air cleaner assembly. A safety element having two open ends, for use with such an assembly is described.

DUST FILTER BARREL

A dust filter barrel includes a sheet filter cylinder, a mesh cylinder and a fixation base. The sheet filter cylinder has two end faces, an inner layer and an outer layer laminated on the inner layer; wherein the inner layer has a plurality of pores having a first pore diameter, the outer layer has a plurality of pores having a second pore diameter, and the second pore diameter is smaller than the first pore diameter. The mesh cylinder is non-contact with the outer layer of the sheet filter cylinder and sleeved outside the sheet filter cylinder and has two end faces. The fixation base has a first and second cover bodies disposed on the two end faces of the sheet filter cylinder and the mesh cylinder respectively, and the second cover body is formed with at least one opening communicated with the sheet filter cylinder.

NESTABLE FRAMED PLEATED AIR FILTER AND METHOD OF MAKING

A nestable framed pleated air filter, including a non-self-supporting, compressible, pleated air filter media with a plurality of oppositely-facing pleats and with a plurality of upstream pleat tips and downstream pleat tips and downstream pleat valleys, the pleated air filter media further including a plurality of bridging filaments that are bonded to at least some of the upstream pleat tips. The filter includes a frame with sidewalls that are angled so that the framed pleated air filter is nestable. 1. A method of making a nestable framed pleated air filter with an upstream face and a downstream face and a generally rectangular perimeter , the method comprising:providing a non-self-supporting, compressible, pleated air filter media with an upstream face and a downstream face and a generally rectangular perimeter with four major edges and that 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;bonding a plurality of bridging filaments to at least some of the upstream pleat tips, so that the bonded bridging filaments are in discontinuous contact with the upstream face of the non-self-supporting, compressible, pleated air filter media;and,mounting a nestable frame onto the generally rectangular perimeter of the non-self-supporting, compressible, pleated air filter media so as to form a nestable framed pleated air filter.2. The method of wherein the bridging filaments are extruded as a molten extrudate and are contacted with the upstream pleat tips while still at least semi-molten so that the bridging filaments are melt-bonded to the upstream pleat tips.3. The method of wherein the nestable frame is a pinch frame.4. The method of wherein the nestable frame comprises four frame portions and wherein each major frame portion comprises a sidewall angle of from about 100 degrees to about 160 degrees.5. The method of wherein the ...

METHOD AND DEVICE FOR FILTERING CONTAMINATED AIR

In accordance with certain techniques for filtering contaminated air, the air is sucked through at least one filter element, which is exchangeably held in a filter-holding device of an air duct system. In order to enable continuous filtering without process interruption, a plurality of filter elements is stored in the filter-holding device in such a way that, when one of the filter elements is removed, the soiled filter element is automatically replaced in the air duct system. For this purpose, the filter-holding device has a plurality of filter chambers, which are arranged relative to one another in such a way that, in the event of an exchange, the filter element can be slidingly guided from one of the filter chambers into another filter chamber. 1. A method for filtering contaminated air , in which air is suctioned through at least one filter element , and in which each filter element is held so as to be replaceable in a filter receptacle installation of an air duct system , wherein a plurality of filter elements are kept available in the filter receptacle installation in such a manner that a self-acting replacement of a contaminated filter element in the air duct system takes place when one of the filter elements is retrieved.2. The method as claimed in claim 1 , wherein the filter elements are held in filter chambers that are disposed on top of one another and claim 1 , when replacing the contaminated filter element claim 1 , are connected to one another so as to form a gravity chute.3. The method as claimed in claim 2 , wherein a vacuum for assisting the replacement of the filter elements is generated in a lower one of the filter chambers.4. The method as claimed in claim 3 , wherein the contaminated filter element upon replacement remains in the lower one of the filter chambers and supports a replacement filter element in an operating position.5. The method as claimed in claim 4 , wherein a new filter element is kept available in a plug-in chamber for ...

METHOD AND SYSTEM FOR FILTER BAG UNIT ASSEMBLY AND FILTER BAG UNIT

A method and a system to assemble a plurality of filter bags within one another by means of a pole and a pulling guide, and a filter bag unit comprising a plurality of assembled filter bags with creases and stitches oriented relative to each other. 1. Method for assembly of a plurality of filter bags within each other comprising the steps ofpulling a first filter bag on a pole until said filter bag is stretched in its length over said pole,pulling at least a second filter bag over the first filter bag until said at least second filter bag is stretched in its length over said first filter bag and said pole, andretracting the assembled plurality of filter bags as one unit from the pole.2. Method according to further comprising the step of pulling a third filter bag over the first and second filter bag until said third filter bag is stretched in its length over said first filter bag claim 1 , said second filter bag and said pole claim 1 , before the step of retracting the assembled plurality of filter bags as one unit from the pole.3. Method according to claim 1 , wherein a first open end of each of said filter bags is attached to a pulling guide before they are being pulled.4. Method according to claim 3 , wherein said pulling guide comprises a claw.5. Method according to claim 3 , wherein said pulling guide has a variable geometry adapted to connect to said first open end of each of said filter bags.6. Method according to claim 3 , wherein said pulling guide is pulling said filter bags by means of an actuator.7. Method according to claim 3 , wherein said pulling guide automatically releases each of the filter bags when they have been pulled over the pole and where said pulling guide then automatically returns to its start position claim 3 , ready to pull a further filter bag.8. Method according to claim 1 , wherein said pole has a maximum outer diameter which is smaller than the inner diameter of any of said filter bags.9. Method according to claim 1 , wherein said ...