Abstract: A filter system for a vacuum cleaner is disclosed. The system comprises a housing reconfigurable relative to a bin between an operative configuration in which the housing is disposed upon the bin so that dirt separated from dirt-laden air can collect in the bin, and an idle configuration in which the housing is removed from the bin. The housing comprises an inlet for receiving dirt-laden air into the housing, an outlet via which cleaned air can exit the housing. The system further comprises first filtering means and second filtering means disposed within the housing, the first filtering means being positioned upstream of the second filtering means. The first and second filtering means comprises a filter medium configured to separate dirt from the dirt-laden air passing from the inlet to the outlet through the filter medium.

Abstract: A method for cleaning a particulate matter filter is discussed. The particulate filter can include an inlet and an outlet, where the outlet includes openings to a plurality of outlet channels, and the inlet includes openings to a plurality of inlet channels. The outlet channels and the inlet channels are separated by a filer barrier. A fluid nozzle is positioned in contact with the outlet of the particulate filter over a first set of outlet channels. Fluid form the fluid nozzle is injected into the first set of outlet channels. While injecting the fluid, the position of the fluid nozzle is changed such that the fluid nozzle is positioned over a second set of outlet channels.

Abstract: The invention relates to a dust collector for gaseous fluids and to a method for manufacturing the dust collector. The dust collector includes one or more filtering assemblies (1) that have filtering elements (2). The filtering elements (2) have a tubular extension. They are kept in contact with each other along a direction parallel to their length; the filtering elements (2) enclose, between them, flow channels (3). The method for manufacturing a filtering assembly (1) of the dust collector includes the steps of: permanently deforming a sheet of a filtering material so as to obtain a corrugated sheet (8) with a cross-section defined by repetitions of ??-shaped forms that are connected to each other; and coupling two deformed sheets, so as to keep the straight parts of the ??-shaped forms in contact and to obtain rows of filtering elements (2).

Abstract: A method for manufacturing a panel includes disposing one or several supports in a respective cavity(ies) in a honeycomb structure having a first skin and a second skin clasping the honeycomb structure. The supports are made of a fugitive material such as a thermoplastic and are auxetic so that, under the effect of an increase in temperature, their dimension between the first and the second skins remains below a predetermined value.

Abstract: A gas supply device is provided with a heating unit that heats gas flowing into a filter provided in a filter unit.

Abstract: Devices, systems and methods are disclosed which relate to using a wet foam elution method for removal of particles from a flat filter. Particles are captured from the atmosphere onto the flat filter. The flat filter is then placed into an extractor which passes a stream of wet foam through the flat filter. Expansion of the foam works to efficiently remove captured particles. The foam flows from the filter along with the captured particles into a sample container. Once in the sample container, the foam quickly breaks down leaving an analysis ready liquid sample.

Abstract: Industrial air filtering technology and a new component for their internal cleaning system are disclosed leading to dramatic increase in system cleaning efficiency as well as energy efficiency. A telescopic cleaning mechanism is able to move at the front of filtering cassette bodies via linear guiding rollers and servo motors transfer cleaning air into the cassettes and extends till to the end of surfaces for enabling better cleaning functionality. A suction blockage paddle further enhances cleaning performance via avoiding suction power only at the right time that is needed.

Abstract: This invention is related with the internal cleaning system (Telescopic Cleaning System (10)) of centralized extraction and filtration units (1) of industrial exhaust gases aiming to reduce overall energy consumption of such system by; avoiding the usage of compressed air being replaced with available exhaust air of the system, accelerated and applied thoroughly all surfaces of the cassette filters (2) by the help of Telescopic Cleaning System (10) and delivering efficiently cleaned filters, generating less resistance over the filter unit (1) versus comparable existing designs by the help of such efficiently cleaned filters, leading to less energy consumption on exhaust air fan.

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

Abstract: A vaporization device for a motor vehicle exhaust system vaporizes an oxidizable liquid and introduces a vapor produced from the oxidizable liquid into an exhaust gas flow of the motor vehicle exhaust system. The vaporization device includes a heating element that is arranged in a housing, and which has the form of a glowing filament. The housing has an inlet for the liquid, at least one vaporization chamber, and an outlet for the vapor. The glowing filament is embedded in a glow tube surrounding the glowing filament. The glowing filament and the glow tube constitute a prefabricated unit which is fastened on a side of the housing by the glow tube being mounted directly to the housing. Furthermore, an exhaust system having a vaporization device, and a method of producing a vaporization device are described.

Abstract: A wall flow type particulate filter is arranged inside the exhaust passage of an internal combustion engine where combustion is performed under an excess of oxygen. The particulate filter carries an ash atomization agent. To remove the ash from the particulate filter, ash atomization processing for rendering the state of the particulate filter a state where the exhaust gas which flows into the particulate filter is lowered in concentration of oxygen and the particulate filter is raised in temperature is temporarily performed.

Abstract: An emissions cleaning module includes a first conduit including an inlet and an outlet and containing a particulate filter; a second conduit including an inlet and an outlet; and an end coupling fluidly connecting the outlet of the first conduit to the inlet of the second conduit. The end coupling is provided with a cleaning port including a cover which closes an aperture in the end coupling. Providing the cleaning port in the end coupling fluidly connecting the outlet of the first conduit to the inlet of the second allows for improved access and cleaning of the emissions cleaning module.

Abstract: An air intake system for a work vehicle may include a filter assembly having a pre-cleaner and an air filter. The filter assembly may define at least one outlet port. The air intake system may also include an air valve movable between an opened position and a closed position and a blower coupled to the outlet port via a conduit. The blower may be configured to create a vacuum within the conduit such that particulates are removed from the filter assembly through the outlet port. When the air valve is in the opened position, an airflow may be directed through the filter assembly in an intake direction from the pre-cleaner through the air filter and, when the air valve is in the closed position, the airflow may be directed through the air filter in a reverse direction.

Abstract: A system enables the use of solar heat energy together with electromagnetic energy and optionally energy produced during fermentation of organic products to produce fresh water from salt water, wastewater and water vapor contained in the atmosphere. The resulting fresh water can optionally be rendered drinkable by adding mineral salts at the desired concentration. A method and reactors combine electromagnetic and solar heating steps and optionally heat exchanges with a hot gas originating from combustion, to evaporate droplets of a spray produced from salt water or wastewater. The vapor obtained is separated from the salt particles or agglomerated impurities during evaporation using a cyclone system. The vapor can then be transported over a large distance before being condensed by bearings, in order to separate the water from any additives or impurities that may be present. Additives can be used to lower the vapor pressure of the liquid water and to facilitate droplet fractionation.

Abstract: A method is provided for cleaning a gas flow made of top gas and/or off gas and/or export gas from a direct reduction plant or a melt reduction plant, which is loaded with dust and/or fine particulate solids. The gas flow is subjected to a dry cleaning using at least one dry filter, wherein dusts and/or fine particulate raw materials are separated from the gas flow. The cleaned gas flow is fed into a CO2 separating device, wherein CO2 is separated, forming a product gas that is substantially free of water and CO2 and is used for backflushing the dry filter.

Abstract: A fracking trailer includes a particulate storage enclosure to receive a mixture of particulate and air in an interior of the particulate storage enclosure having a front end and a rear end. The fracking trailer also includes a filtration system connected to the particulate storage enclosure at the front end to filter particulate from the air in the mixture and exhaust filtered air.

Abstract: A filter cleaning system for cleaning a filter element is provided. The filter cleaning system includes a set of pulse nozzles and a compressed air supply, which rotate together during a cleaning cycle to release pulse blasts at predetermined time intervals to clean the filter element.

Abstract: A method for regenerating a particulate filter of an internal combustion engine. The method includes passing an exhaust gas stream through the particulate filter, determining what kind of fuel is being combusted in the internal combustion engine, and determining a burn-off temperature that is capable of burning off a kind of soot formed in the particulate filter as a result of the combustion of the kind of fuel. The burn-off temperature is based on the kind of fuel.

Abstract: A method of removing ash from a wall flow type particulate filter which is arranged in an exhaust passage of an internal combustion engine in which combustion is performed in an excess of oxygen for trapping particulate matter in exhaust gas, using a solid acid which is carried on the particulate filter, renders the state of the particulate filter a state where the exhaust gas which flows into the particulate filter is lowered in concentration of oxygen and the particulate filter is raised in temperature, and then renders the state of the particulate filter a state where the exhaust gas which flows into the particulate filter in an oxidizing atmosphere contains SOx.

Abstract: A process chamber is configured to contain a work piece in a controlled atmosphere and to perform a process that emits pyrophoric particulates. A closed recirculating loop connected with the process chamber recirculates gas defining the controlled atmosphere through the process chamber. A filter in the closed recirculating loop captures the generated pyrophoric particulates in the recirculating gas. A valve set has a work configuration defining the closed recirculating loop including the connection of the process chamber with the filter, and a filter regeneration configuration in which the filter is blocked off from the process chamber and is connected with an exhaust. A work piece is loaded into the process chamber. With the valve set in the work configuration, the process is performed on the loaded work piece. Thereafter, regeneration gas containing oxygen is delivered to the filter with the valve set in the regeneration configuration.

Abstract: A process for the combustion of a carbon-containing fuel, wherein the flue gases are filtered so as to achieve a solid particle concentration of less than 1 mg/m3 before compression, purification and sequestration or transport is presented.

Abstract: A method of removing ash from a wall flow type particulate filter which is arranged in an exhaust passage of an internal combustion engine in which combustion is performed in an excess of oxygen for trapping particulate matter in exhaust gas, using a solid acid which is carried on the particulate filter, renders the state of the particulate filter a state where the exhaust gas which flows into the particulate filter is lowered in concentration of oxygen and the particulate filter is raised in temperature, and then renders the state of the particulate filter a state where the exhaust gas which flows into the particulate filter in an oxidizing atmosphere contains SOx.

Abstract: An air filter (111) comprising a duct (118, 120) forming a passageway extending between an inlet (116) and an outlet (113) of the air filter, the duct comprising bristles (310) extending from a wall of the duct across at least a portion of the passageway so as to remove entrained particles from air passing through the duct.

Abstract: According to an exemplary embodiment of the present disclosure, a system for removing matter from a filtering device of a work machine includes a gas pressurization assembly. An element of the gas pressurization assembly is removably attachable to a first orifice of the filtering device without removing the filtering device from a work machine to which the filtering device is connected. The system also includes a heat source fluidly connected to the gas pressurization assembly.

Abstract: A method for cleaning and checking a particle filter of a motor vehicle is provided. In a first step soot particles which have collected in the particle filter are burnt oil. In a second step ash located in the particle filter is blown, out using compressed air. A cleaning device for a particle filter of a motor vehicle is also provided.

Abstract: A method of cleaning a filter element includes directing a jet of pressurized gas from a nozzle onto a filter element, with the jet having a non-round cross-sectional shape that is a same general cross-sectional shape as the opening in a tube sheet holding the filter element. The nozzle has a channel for the pressurized gas that is obstruction-free.

Abstract: This invention proposes a method of removing pollutants from high temperature gasses prior to their introduction in to a heat exchanger of a steam generating boiler within a power generation system. The method comprises placing a filter system (100) in a hot gas flow path upstream of a waste-heat boiler. The filter system comprising at least two banks of substantially hollow elongate filters (110), each of which filters particles from the gas flow as it flows from an external surface thereof to an internal surface thereof. Valves (104, 106) enable each bank of filters to be isolated from the hot gas flow path. The method included periodically isolating at least one bank of filters while passing hot gasses through at least another of the banks of filters, and cleaning the isolated bank of filters. After cleaning the filters (110) lime is injected into the flow path so that it coats the outer surface of the filters (110) to produce a loose lime coating thereon.

Abstract: A process chamber is configured to contain a work piece in a controlled atmosphere and to perform a process that emits pyrophoric particulates. A closed recirculating loop connected with the process chamber recirculates gas defining the controlled atmosphere through the process chamber. A filter in the closed recirculating loop captures the generated pyrophoric particulates in the recirculating gas. A valve set has a work configuration defining the closed recirculating loop including the connection of the process chamber with the filter, and a filter regeneration configuration in which the filter is blocked off from the process chamber and is connected with an exhaust. A work piece is loaded into the process chamber. With the valve set in the work configuration, the process is performed on the loaded work piece. Thereafter, regeneration gas containing oxygen is delivered to the filter with the valve set in the regeneration configuration.

Abstract: A filter device (19) is proposed for cleaning gas entraining foreign bodies, comprising: at least one filter unit (12) having at least one filter surface on a raw gas side to which a raw gas stream (44) containing foreign bodies can be supplied, wherein filtration aids can be supplied to the raw gas stream (44) and/or the filter surface, and wherein filtration aids and/or foreign matter attached to the filter surface can be cleaned off. The filter device (10) additionally comprises a fluidized bed arrangement (55) in which a carrier fluid stream (54) can be generated such that cleaned-off filtration aids and/or foreign matter can be held at least in part as filtration aerosol in a surrounding of the filter unit (12) and/or can re-attach to a filter surface.

Abstract: Particles smaller than 50 nanometers emitted from an internal combustion engine, and serving as nuclei for forming PM (particulate matter), are removed to decrease the number of PM particles that are emitted to atmosphere. High efficiency filters are provided in passages that feed fluids into the combustion chamber, e.g., intake air, fuel and engine oil, in order to remove particles smaller than 50 nanometers serving as nuclei for forming PM.

Abstract: An apparatus 100 for cleaning a filter for removing particulate matter comprises: a filter 3 installed in a exhaust passage 2 of an internal combustion engine 1 and capturing the particulate matter 19 included in the exhaust gas; an injector 4 being able to inject high-pressure air and high-pressure vapor to the filter 3 in a opposite direction to a flow direction of the exhaust gas; a high-pressure air feeder 5 being able to feed the high-pressure air to the injector 4; and a high-pressure vapor feeder 6 being able to feed the high-pressure vapor to the injector 4.

Abstract: A headgear assembly for a baghouse filter can include a headgear configured to allow for concentric arrangement of first and second filters coupled thereto, where at least one of the first filter, second filter, and headgear can include an opening through which accumulated particulate from the second filter can pass. The headgear assembly can also include a cleaning assembly configured to facilitate cleaning of at least one of the first and second filters. Methods of facilitating on-line cleaning of a baghouse filter are also described wherein an exhaust stream is passed through concentrically arranged first and second filters to produce a filtered stream. At least one of the first and second filters can be cleaned using a cleaning assembly to remove accumulated particulate, which can pass through an opening in at least one of the first filter, the second filter, and the headgear.

Abstract: According to an exemplary embodiment of the present disclosure, a system for removing matter from a filtering device of a work machine includes a gas pressurization assembly. An element of the gas pressurization assembly is removably attachable to a first orifice of the filtering device without removing the filtering device from a work machine to which the filtering device is connected. The system also includes a heat source fluidly connected to the gas pressurization assembly.

Abstract: Disclosed herein is a filter apparatus comprising a fluid inlet for a fluid to be filtered in the apparatus; a first fluid outlet for fluid that has been filtered; and one or more barrier filters arranged between the fluid inlet and the first fluid outlet for filtering material from the fluid. In use, the fluid to be filtered is directed from the fluid inlet so as to promote a continuous erosion of material built up on the barrier filter(s). Also disclosed is a method of filtering particles from a particle laden fluid.

Abstract: The support structure is used in a filter bag for filtering gas and has a plurality of tubular pipe elements extending in the longitudinal direction of the filter bag. The tubular pipe elements are connected to annular elements located at a distance from each other in the longitudinal direction. The annular elements include elements formed by a number of parts, each part having two ends and extending between adjacent longitudinally extending tubular pipe elements.

Abstract: A method of cleaning a vehicle exhaust system filter (1), the filter (1) having a first end (11) and a second end (10) and comprising a plurality of elongate channels (6) containing debris (19) to be removed, comprises the steps of: (i) providing a chamber (14) having an outlet in fluid communication with the first end (11) of the filter (1); (ii) covering the second end (10) of the filter (1) to hinder fluid flow out of the second end of the filter; (iii) introducing a flow of liquid into the chamber (14); (iv) stopping the flow of liquid into the chamber (14) when the chamber and channels (6) of the filter are substantially filled with liquid; (v) introducing a pulse of compressed gas into the chamber (14), and (vi) uncovering the second end (11) of the filter (1) to allow the gas to force said debris (19) and liquid (17) out of the second end (10) of the filter (1). The invention also provides apparatus for use in the method.

Abstract: The present disclosure relates to a pulse cleaner for cleaning a diesel exhaust aftertreatment device. The pulse cleaner includes a cabinet, a diesel exhaust aftertreatment device mount positioned within the cabinet for mounting the diesel exhaust aftertreatment device during pulse cleaning, and a collection filter positioned within the cabinet for collecting material displaced from the diesel exhaust aftertreatment device during cleaning. The pulse cleaner can be equipped with features such as an exhaust aftertreatment device core temperature sensor, an air flow concentrator or an air swirling vane. The pulse cleaner can also include adapters for providing system compatibility with different styles of exhaust aftertreatment devices.

Abstract: According to an exemplary embodiment of the present disclosure, a system for removing matter from a filtering device of a work machine includes a gas pressurization assembly. An element of the gas pressurization assembly is removably attachable to a first orifice of the filtering device without removing the filtering device from a work machine to which the filtering device is connected. The system also includes a heat source fluidly connected to the gas pressurization assembly.

Abstract: An apparatus for cleaning an air filter includes a body, a closed chamber formed within the body, a fluid dispersing member having a portion thereof mounted for rotation within the body and passing through the chamber, a plurality of orifices formed through the wall of the fluid dispersing member and an arrangement for rotating the fluid dispersing member. The arrangement either includes a combination of nozzles secured to the fluid dispersing member and positioned within the chamber and an irregular inner wall surface of the chamber capable of providing resistance to a fluid flow discharged into the chamber or fins disposed on the fluid dispersing member and a passageway through the body for directing fluid under pressure onto the fins. Fluid supplied under pressure to the fluid dispersing member exits through the plurality of orifices toward an inner surface of a air filter filtering medium causing contaminants to exit therefrom.

Abstract: The present disclosure provides a method and apparatus for removing debris from an air cleaner of an internal combustion engine. The method includes receiving a flow of air from a source of air flow associated with an internal combustion engine at a first end portion of a conduit and passing the flow of air towards a second end portion of the conduit. The method also includes passing the flow of air into a scavenging conduit of the air cleaner towards an exhaust end of the scavenging conduit and creating a suction pressure at an end of the scavenging conduit connected to the air cleaner. The suction pressure results in a drawing in of the debris from the air cleaner.

Abstract: According to an apparatus for inspecting defects of a honeycomb structure that is provided with a current plate and an air current formation means (air source and a header tube), fine defects or defects taking place in the vicinity of an outer periphery of the honeycomb structure can be detected with high sensitivity.

Abstract: A system for removing matter from a filtering device is disclosed. The system may have an impact wave generating device. The system may further have a vacuum source to draw matter away from the filtering device.

Abstract: Systems and methods for treating a fluid with a body are disclosed. Various aspects involve treating a fluid with a porous body. In select embodiments, a body comprises ash particles, and the ash particles used to form the body may be selected based on their providing one or more desired properties for a given treatment. Various bodies provide for the reaction and/or removal of a substance in a fluid, often using a porous body comprised of ash particles. Computer-operable methods for matching a source material to an application are disclosed. Certain aspects feature a porous body comprised of ash particles, the ash particles have a particle size distribution and interparticle connectivity that creates a plurality of pores having a pore size distribution and pore connectivity, and the pore size distribution and pore connectivity are such that a first fluid may substantially penetrate the pores.

Abstract: The present disclosure provides a method and apparatus for removing debris from an air cleaner of an internal combustion engine. The method includes receiving a flow of air from a source of air flow associated with an internal combustion engine at a first end portion of a conduit and passing the flow of air towards a second end portion of the conduit. The method also includes passing the flow of air into a scavenging conduit of the air cleaner towards an exhaust end of the scavenging conduit and creating a suction pressure at an end of the scavenging conduit connected to the air cleaner. The suction pressure results in a drawing in of the debris from the air cleaner.

Abstract: A system for removing matter from a filtering device is disclosed. The system may have a reactive propellant located downstream of the filtering device. The reactive propellant may be configured to generate an impact wave.

Abstract: A layered filter membrane with improved anti-clogging characteristics is provided. In one embodiment, a filter membrane includes multiple polymer layers, each with different pore diameters formed by stretching the polymer layers. Furthermore, the multiple filter layers are coupled together before being stretched and the different pore sizes are formed during co-stretching of the filter layers.

Abstract: A method for operating a filter includes forcibly passing a stream of a fluid through a filter wall of the filter from a raw gas side to a clean gas side of the filter so as to separate out particles and particle constituents from the stream, wherein the particles and particle constituents are collected on the raw gas side and performing a regeneration process on the filter during operation of the filter. The regeneration process includes removing particles and particle constituents from the raw gas side of the filter and moving the removed particle constituents to a receiving device disposed on the raw gas side. Alternatively, the filter walls includes a plurality of channels on the raw gas side, each channel closed by a closure wall configured to be partially opened to enable the disposing of the particle constituents.

Abstract: By using catalytic partial oxidation or autothermal reforming process, a catalytic oxidizer installed in the engine's Exhaust Gas Recycle (EGR) line can be used to produce from fossil fuels or bio-fuels a reformate gas containing H2 and CO for an IC engine or a gas turbine. Thus, a system consisting of an EGR Oxidizer and an IC engine/gas turbine can be used by itself as a driving device, or can be combined with an electric generator and a battery bank to produce, store and transmit electricity to be used in stationary or mobile power generation, transportation and utility etc. The Oxidizer can also be used to provide reducing gases to regenerate the NOx or diesel particulate traps, so that the traps can continuously be used for reducing emissions from IC engine, diesel truck, gas turbine, power plant etc.

Abstract: A method for discharging the dust that occurs from pressurized gasification, using a dust precipitator having at least one discharge container assigned to it, is supposed to be configured in such a manner that nitrogen introduction into the raw gas is minimized or completely avoided, in order to free subsequent chemical syntheses from introduction of nitrogen, if at all possible, right from the start. This is achieved in that filter elements are positioned in the dust precipitator, which elements are back-flushed by means of a gas that contains carbon dioxide or pure CO2 gas.

Abstract: A high temperature filter and a self-cleaning filtering system for filtering media, such as biomass materials, are provided. The filter and filtering system is particularly useful in the filtration of syngas in a plasma arc gasification process to remove char and other particles of down to a submicron size from the syngas. The filter is formed from a pleated metal mesh material including end caps secured by a high-temperature metallic paste or adhesive, such that the filter is capable of withstanding operating temperatures up to 2000° F. The system includes a backflush unit for injecting cleaning media therein to remove trapped char and other debris from the filter. At least two filtering systems can be placed in parallel so that one system can be cleaned while the other is operating. A method for filtering media is also disclosed.