Abstract: The present application provides an inlet air pulse filtration system. The inlet air pulse filtration system may include an inlet filter house and a number of pulse filters positioned therein. One or more of the pulse filters may include a conical section, a transitional section, and a tapered section.

Abstract: The present invention relates to device and method for reducing soot particles. The device for reducing soot particles includes a first filter provided to an exhaust gas flow passage through which exhaust gas from a diesel engine flows to have a predetermined volume of a plurality of grains to be operated as a volumetric filtration system, and a second filter provided to a predetermined position of the second filter to be operated as a surface filtration system.

Abstract: An air purifier has a housing with an inlet for receiving air and an outlet for exhausting air. The housing provides an air flow path for the flow of air in a downstream direction, from the inlet towards the outlet. Particulate pre-filtration is located within the housing downstream from the air inlet. VOC pre-filtration is located within the housing downstream from the particulate pre-filtration. UV filtration is located within the housing downstream from the VOC pre-filtration. VOC post-filtration is located within the housing downstream from the UV filtration. Final particulate filtration is located within the housing downstream from the VOC post-filtration.

Abstract: An air purifier has a housing with an inlet for receiving air and an outlet for exhausting air. The housing provides an air flow path for the flow of air in a downstream direction, from the inlet towards the outlet. Particulate pre-filtration is located within the housing downstream from the air inlet. VOC pre-filtration is located within the housing downstream from the particulate pre-filtration. UV filtration is located within the housing downstream from the VOC pre-filtration. VOC post-filtration is located within the housing downstream from the UV filtration. Final particulate filtration is located within the housing downstream from the VOC post-filtration.

Abstract: Embodiments of recirculating filtration and exhaust systems for material processing systems are disclosed herein. A material processing system configured in accordance with one embodiment includes an enclosure for processing a workpiece, the enclosure having an enclosure inlet and an enclosure outlet. The system also includes a first flow path fluidly coupled to the enclosure inlet and the enclosure outlet, and a first filtration assembly in the first flow path. The first filtration assembly draws airflow from the enclosure and returns the airflow to the enclosure. The system further includes a second flow path in fluid communication with the first flow path upstream from the enclosure inlet, and a second filtration assembly in the second flow path. The second filtration assembly draws airflow from the first flow path and returns airflow to the first flow path.

Abstract: A filter, in particular for compressed gas systems, includes a filter top part having at least one inlet channel and at least one outlet channel and a filter bottom part having a filter element, wherein the filter top part has a pressure-resistant housing and an insert which is suited in an optimal manner to the course of the inlet and outlet channels.

Abstract: An apparatus is provided for implementing water separation in the vacuum system of a paper machine. The apparatus includes a guiding baffle structure connected to an inlet pipe and a water trap vessel, and a droplet separation cell mounted at the mouth of an outlet pipe.

Abstract: A system for capturing and separating solids, liquids, and gases, such as during air drilling of a well, can include a cylindrical vessel with an inlet for receiving an input. A target plate can impact the input, remove solid and liquid therefrom, and direct flow from the inlet, forming a vortex. A first chevron baffle, a second chevron baffle, and a demister baffle can further remove solid and liquid from the input, forming a cleaned gas. The cleaned gas can be burned, the solid can be dried, and the liquid can be recycled for reuse in drilling operations.

Abstract: A system for ridding the working area of a nail salon work station of fumes and nail dust. The system is self-contained within the particular work station and has a vacuum system that draws air in from the area surrounding and proximate the working area to remove the fumes and dust. A fan draws that air into a chamber containing a bag-type, particulate filter that filters out the nail dust. Downstream of the bag-type filter is a fume filter that receives the air from the bag-type filter, having been pressurized by the fan, and provides a filter of the fumes. The air, now having passed through a particulate filter and a fume filter is exhausted into the room at a location remote from the working area. The bag-type filter is inexpensive and readily replaced.

Abstract: A cyclone dust collecting apparatus for a vacuum cleaner includes a first chamber; an entering passage disposed above the first chamber, the entering passage guiding outer air to form a downwardly whirling air current in the first chamber; a second chamber formed at a position higher than that of an outlet of the entering passage above the first chamber, the second chamber in which the outer air entering from the first chamber whirls; a contaminants-blocking member disposed to be spaced apart from a bottom surface of the first chamber at a center of the first chamber, the contaminants-blocking member preventing contaminants and water separated in the first chamber from moving into the second chamber; and a grill disposed inside the second chamber to be in fluid communication with an air discharging port through which clean air is discharged.

Abstract: One example embodiment includes a system for removing cooling liquid from a mist. The system includes an intake, where the intake is configured to receive the cooling mist. The system also includes a mist filter, where the mist filter is configured to remove cooling liquid from the mist. The system further includes an exhaust, where the exhaust is configured to output the demisted air.

Abstract: A method and apparatus for practicing the method are provided for separating droplets of finely aerosolized elemental mercury from a gaseous stream in which the droplets are dispersed. In the method a gold plated metallic capillary surface is contacted with the gaseous stream, causing the aerosolized droplets to deposit on the capillary surface and by capillary action to coalesce with other of such droplets to form increasingly large drops of mercury. The surface is oriented to allow the mercury to flow by gravitational forces and capillary action to the lowermost portions of the surface, at which it accumulates, and is then collected at a suitable vessel.

Abstract: A fluid separation device (400) for separating water from a stream of compressed air, has a housing (402) defining a first volume (404) with two apertures (406, 408) therein in communication with the first volume, the first volume and the apertures being adapted to have a stream of air flowing there through, a first filter (414) contained within the first volume for separating liquid water from the air stream, and a plurality of desiccant beads contained within the first volume for separating water vapour from the air. An exhaust silencer for the fluid separation device is also disclosed.

Abstract: A cyclonic separation device in accordance with an embodiment of the present application preferably includes a first cyclone chamber having a cylindrical shape with a predetermined diameter, the first cyclone chamber including, a tangential inlet positioned on a first longitudinal end of the first cyclone chamber, a baffle plate positioned in the first cyclone chamber a predetermined distance from the tangential inlet, a tangential dirt outlet positioned on a second end of the cyclone chamber, opposite the inlet and on an opposite side of the baffle plate from the tangential inlet and a center exit duct mounted in the center of the cyclone chamber having an inlet opening positioned upstream from the baffle plate such the centrifuged fluid without particles flows into the center exit duct and out of the cyclone chamber.

Abstract: A system for depressurizing and cooling a high pressure, high temperature fine solid particles stream having entrained gas therein. In one aspect, the system has an apparatus for cooling the high pressure, high temperature fine solid particles stream having entrained gas therein and a pressure letdown device for depressurization by separating the cooled fine solid particles from a portion of the fine solid particles stream having entrained gas therein, resulting in a lower temperature, lower pressure outlet of solid particles for disposal or handling by downstream equipment.

Abstract: The invention relates to an adsorptive filtering material endowed with integrated particle- and/or aerosol-protection and with protective performance with regard to biological and/or chemical noxiants, in particular biological and/or chemical warfare agents, the adsorptive filtering material having a multilayered construction comprising a support layer, an adsorptive layer associated to and preferably fixed to the support layer, and optionally a covering layer disposed on that side of the adsorptive layer that is remote from the support layer, wherein the adsorptive filtering material is additionally equipped with a particle- and/or aerosol-filtering layer. The adsorptive filtering material is particularly useful in NBC protective materials of any kind (as in protective apparel for example) and for producing filters.

Abstract: The invention relates to a combination filter with a housing having an inlet and an outlet for a fluid to be cleaned, a coalescence filter element and a processing filter element, wherein the filter elements are arranged in the housing such that after the fluid has entered the housing through the inlet, the fluid flows through the filter elements in the described sequential order, before the fluid exits the housing again through the outlet.

Abstract: An air filter for purging unwanted substances from air, the air filter comprising: an acid-purging stage, wherein the acid-purging stage comprises an air-permeable skeleton which has an acid-neutralizing substance mounted thereto, wherein the air-permeable skeleton comprises fiberglass fibers, open cell polyurethane foam, etc. and the acid-neutralizing substance comprises sodium bicarbonate, and further wherein the sodium bicarbonate is secured to the fiberglass fibers, open cell polyurethane foam, etc. using an adhesive; and a solvent-purging stage, wherein the solvent-purging stage comprises solvent-purging granules captured between two air-permeable screens, and further wherein the solvent-purging granules comprise activated carbon granules.

Abstract: A filter head, designed to hold at least two filter elements. The filter head having a housing, into which feed channels to, and return channels from, the filter elements are integrated. A rotatable switching drum is provided for selectively opening or closing the channels to control the flow of fluid to the filter elements. The filter head has a cover, which closes off the housing, and a spring element, which produces an axial force which presses one of the sealing surfaces of the switching drum against the cover and the other sealing surface of the switching drum against the housing.

Abstract: A system and an associated method for improving mercury removal from a flow containing combustion exhaust. The system includes a filtration arrangement that includes at least one layer of ePTFE, with the at least one ePTFE layer being configured to have a geometry that retains at least some accumulated particulate matter. The system includes an arrangement for providing at least some particulate matter in the flow for accumulation on the filtration arrangement by the geometry.

Abstract: In order to provide a device for separating wet paint overspray from an exhaust air flow containing overspray particles, passing into the exhaust air flow in an application region of a painting assembly, the device includes at least one separation device for separating the overspray from at least a part of the exhaust air flow. Clogging of a wall surface of the device with wet paint overspray is prevented. It is proposed that the device is divided into a plurality of sections below the application region. At least one separation device is provided in one of the sections. The device includes at least one air curtain producing device for generating an air curtain on a wall surface, which delimits the flow path of the exhaust air flow and is arranged on the at least one flow guide element.

Abstract: The invention concerns a self-propelled vehicle, in particular an aircraft, comprising an onboard equipment such as an inerting system, means for vapour pollutant filtering (1) arranged between an air intake (8) connected to a compressed air source and an air outlet (9) connected to the equipment. The invention is characterized in that the vapour pollutant filtering means (1) comprise adsorption filtering means such as molecular sieve and/or activated carbon.

Abstract: A system for the selective removal of CO2, H2S, and H2 from a gaseous fluid mixture comprising CO2, H2S, and H2, which system includes a first membrane section having a nonporous metal oxide membrane, a second membrane section having a CO2-selective membrane, and a third membrane section having an H2-selective membrane. Each membrane section has a feed side and a permeate side and the membrane sections are arranged in series whereby the gaseous fluid mixture contacts the feed side, in sequence, of the first membrane section, the second membrane section and the third membrane section, resulting first in the separation or removal of H2S, second in the separation or removal of CO2, and third in the separation or removal of H2. The process can be used to process synthesis gas generated from the gasification or reforming of carbonaceous materials for hydrogen production and carbon dioxide capture.

Abstract: A trap device (18) for removing species from a gas stream drawn from an enclosure by a vacuum pump is described, the device (18) comprising a casing having an inlet (16) for receiving the gas stream, an outlet (20) for exhausting the gas stream from the casing, and first and second chambers (136, 138) each for receiving the gas stream from the inlet and conveying the gas stream to the outlet; means (170, 174) for selectively diverting the gas stream from the inlet to a selected one of the chambers; a first plurality of cartridges (32) each being removably insertable into the casing to provide a plurality of flow passages for gas passing through the first chamber; and a second plurality of cartridges (132) each being removably insertable into the casing to provide a plurality of flow passages for gas passing through the second chamber, each flow passage extending between an inlet and an outlet of a respective cartridge, each cartridge housing means for removing species from the gas passing therethrough as soli

Abstract: An air filter assembly for an evaporative emissions control canister used with an internal combustion engine fuel system. The assembly includes: a housing having: an air inlet formed in an upper portion of the housing; and an air outlet; and; a baffle disposed within the housing. The baffle extends vertically downward from the air inlet in the upper portion of the housing towards a bottom portion of the housing. The baffles forming a plurality of vertically extending channels interconnected through a horizontally interconnecting channel formed between a bottom edge of the baffle and the bottom portion of the housing. A first one of the vertically extending channel receives air entering the housing from the air inlet.

Abstract: The invention relates to a system for separating a mixture of gas and liquid into a heavy fraction and a light fraction, the system comprising:—a separation vessel having a vessel inlet for the supply of the mixture to be separated, an upper vessel outlet for the discharge of the light fraction and a lower vessel outlet for the discharge of the heavy fraction;—at least one inlet device for pretreatment of the incoming mixture, the inlet device, comprising a casing having a liquid outlet for the discharge of a first mixture part mainly containing liquid to a lower compartment of the separation vessel; and at least one demister element arranged at a position below the liquid outlet for separating liquid from the gas in the first mixture part flowing from the liquid output.

Abstract: A gas-liquid separator assembly has dual flow first and second split partial paths. The first path is an impaction separation path effecting liquid particle separation from a gas-liquid stream by inertial impaction. The second path is a coalescence-separation path effecting liquid particle separation from the gas-liquid stream by coalescence.

Abstract: A method and apparatus for separating liquid droplets from a gas stream. The method includes the steps of conditioning the gas stream which contains the droplets so that the gas stream exhibits substantially turbulent flow, passing the gas stream generally axially through a flowpath so that the gas stream is in communication with a collector surface, collecting the droplets on the collector surface, and draining the collector surface to remove the collected droplets from the collector surface. The apparatus includes a flowpath, a collector surface for collecting the droplets, a flow conditioner for conditioning the gas stream, and a drainage mechanism for draining the collected droplets from the collector surface.

Abstract: The present invention is a mobile air contaminant control system that includes a filter assembly enclosed by a mobile outer chamber. The filter assembly is tapered to create a large volume air way downstream from the filter assembly that enables more even air flow and filter loading. One or more exhaust fans pull the air through the filter assembly and exhaust it to the exterior of the chamber. The system is functionally attached to an exterior structure having at least one air intake and housing a work piece. As airborne contaminants are generated from the work piece(s), the control system exhausts them from the exterior structure through the filter assembly and into the external environment.

Abstract: A dust collecting apparatus for a vacuum cleaner is provided. The dust collecting apparatus includes a dust separating chamber separating dust from dust-laden air, a dust collecting chamber storing the dust separated by the dust separating chamber, and an air discharge guide duct guiding the air discharged from the dust separating chamber to an air outlet at a lower end of the dust collecting chamber. The air discharge guide duct includes a first duct formed on a rear surface of the dust collecting apparatus so as to guide the air discharged from the dust separating chamber downwards, a second duct being coupled with the first duct and extending into the dust separating chamber, and a third duct formed in the dust separating chamber so as to connect the second duct with the air outlet.

Abstract: A dust separating and collecting apparatus is provided. The dust separating and collecting apparatus includes a dust bin housing a centrifugal dust separating portion therein, and an inner cover comprising a passage shifting protrusion extended to an open surface of the centrifugal dust separating portion through which dusts may be discharged, the inner cover covering an open surface of the dust bin.

Abstract: The present invention relates to a cap for hermetically sealing receiver driers, in which a cap body and a filter are separated and detachably engaged with each other and an O-ring is installed between the cap body and the filter, thereby facilitating the replacement of parts and the installation of the O-ring, favoring automatic assembly due to a tool insertion groove that can be formed long, achieving compactness of the cap due to the reduction of a total height of the cap when the cap body and the filter are engaged, improving a filtering effect by increasing the size of the filter with the cap being maintained in the same size, and facilitating engagement between the cap body and the filter and preventing the cap body from being released from a tank by discharging the air between the cap body and the filter.

Abstract: An air filter assembly for removing particulate contaminants, chemical contaminants, or both, from an incoming dirty air stream. The resulting filtered or clean air is supplied to catalytic equipment, such as a fuel cell. The filter assembly can include a physical filter portion for removing physical or particulate contaminants, a chemical filter portion for removing chemical contaminants, or can have both portions.

Abstract: A high-pressure separator with improved efficiency is provided. The separator comprises a centrifugal separator located inside of a gravity separator. The centrifugal separator has an enclosed upper portion and desirably comprises a single cylinder. The high-pressure separator is particularly suitable for use in the production of low-density polyethylene under high pressure.

Abstract: The invention relates to a device for filtering contaminants, such as particulates and vapor phase contaminants, from a confined environment such as electronic or optical devices susceptible to contamination (e.g. computer disk drives) by providing an improved reduced fiber filter.

Abstract: A filter, in particular for compressed gas systems, includes a filter top part having at least one inlet channel and at least one outlet channel and a filter bottom part having a filter element, wherein the filter top part has a pressure-resistant housing and an insert which is suited in an optimal manner to the course of the inlet and outlet channels.

Abstract: An exhaust after treatment system includes a wall-flow particulate filter and a flow-through substrate positioned upstream of the filter. The substrate has a plurality of channels defining a mean channel length, a first flow-through region including a first portion of the channels, and a second flow-through region including a second portion of the channels. The first flow-through region includes unplugged channels having lengths less than the mean channel length and the second flow-through region includes unplugged channels having lengths greater than the mean channel length.

Abstract: A gas-liquid separator assembly has dual flow first and second split partial paths. The first path is an impaction separation path effecting liquid particle separation from a gas-liquid stream by inertial impaction. The second path is a coalescence-separation path effecting liquid particle separation from the gas-liquid stream by coalescence.

Abstract: A planar omni-directional inlet assembly is provided for installing on a device, such as a dry filter unit, that draws a fluid medium, such as ambient air, to collect particulate matter suspended in the fluid medium onto a filter. The inlet assembly includes an annular platform removably positionable on the device; an annular nozzle to direct the air from the platform; an annular impactor disposed downstream of the nozzle; a housing that disposes the filter downstream of the impactor; and an exit for passing the air from the filter to the device. The impactor presents a flow obstacle for a portion of the particulate matter. The housing directs the air through the filter. The housing includes a base with a first cavity and a lid with a second cavity such that the filter is disposable between the first and second cavities.

Abstract: A method and apparatus for practicing the method are provided for separating droplets of finely aerosolized elemental mercury from a gaseous stream in which the droplets are dispersed. In the method a gold plated metallic capillary surface is contacted with the gaseous stream, causing the aerosolized droplets to deposit on the capillary surface and by capillary action to coalesce with other of such droplets to form increasingly large drops of mercury. The surface is oriented to allow the mercury to flow by gravitational forces and capillary action to the lowermost portions of the surface, at which it accumulates, and is then collected at a suitable vessel.

Abstract: A mass spectrometer system includes an inlet system having an aerodynamic lens system for collimating charged particles into a beam, and an aerodynamic kinetic energy reducing device for receiving and slowing the charged particles to near zero kinetic energy. A detection system receives and identifies a mass of the charged particles. The aerodynamic kinetic energy reducing device can be a reverse jet or a pathway through a stagnant volume of gas. Such mass spectrometer systems can operate in a mass range from 1 to 1016 DA.

Abstract: A vacuum cleaner, in which a dust bag or a cyclone dust collecting apparatus can be selectively mounted, includes a body case having a dust collecting chamber and a connecting hole formed at a side surface of the dust collecting chamber so that outside air enters through the connecting hole, a pair of securing brackets formed on an inner surface of the dust collecting chamber of the body case at both sides of the connecting hole in parallel with each other so that the cyclone dust collecting apparatus or the dust bag is selectively secured to the pair of securing brackets, and a body cover disposed at the body case and being opened and closed in order to open and close the dust collecting chamber.

Abstract: An emission treatment system includes a separation device having a vessel that includes an inlet for receiving an emission stream having entrained solid particles. A first outlet from the vessel discharges captured solid particles from the emission stream and a second outlet from the vessel discharges a clean stream having fewer entrained solid particles than the emission stream received into the separation device. A particle collector is fluidly connected with the separation device and includes a collection portion for capturing solid particles from the emission stream.

Abstract: A gas-liquid separator assembly has a flow passage providing expansion of and reduced flow velocity of the post-separation gas stream, and in some embodiments provides pre-escape regions facilitating partial pre-transition of some of the flow.

Abstract: The present invention is directed to porous composite materials comprised of a porous base material and a powdered nanoparticle material. The porous base material has the powdered nanoparticle material penetrating a portion of the porous base material; the powdered nanoparticle material within the porous base material may be sintered or interbonded by interfusion to form a porous sintered nanoparticle material within the pores and or on the surfaces of the porous base material. Preferably this porous composite material comprises nanometer sized pores throughout the sintered nanoparticle material. The present invention is also directed to methods of making such composite materials and using them for high surface area catalysts, sensors, in packed bed contaminant removal devices, and as contamination removal membranes for fluids.

Abstract: A filter assembly for removing particulates in an exhaust gas in a fuel engine is provided. The filter assembly comprises a primary filter having a first side and a second side, the primary filter configured to remove an amount of particulates from the exhaust gas flowing from the first side to second side; and a foam element disposed proximate to the first side of the primary filter, the foam element configured to remove another amount of particulates from the exhaust gas.

Abstract: This invention can provide the apparatus for collecting smoke and dust with a deodorizing function which has an excellent capability of maintenance, an improved deodorizing and silencing effect. The apparatus is comprised of: a bulkhead having an opening and disposed in the housing to separate a space for deodorizing and filtering exhaust gas from a space for discharging exhaust gas, a vacuuming means for vacuuming the exhaust gas disposed in the space for discharging and communicated with the opening of the bulkhead, a filtering means for filtering the exhaust gas disposed in the space for deodorizing and filtering and communicated with the vacuuming means through the opening of the bulkhead, and a deodorizing means for deodorizing the exhaust gas concentrically disposed at the outer side of the filtering means.

Abstract: Separation device for separating a liquid/gas mixture in a heavy fraction mainly containing liquid and a light fraction mainly containing gas, comprising:—a separation vessel comprising at least one inlet, at least a first outlet for the discharge of the heavy fraction and at least a second outlet for the discharge of the light fraction,—separator for separating the mixture into the heavy and light fraction;—a vane type inlet device connected to the inlet for admitting the gas/liquid mixture to the vessel en for distributing the admitted gas/liquid mixture in the vessel, the inlet device comprising: an elongated support structure; is—a plurality of curved guiding vanes placed one behind the other and attached to the support structure, the guiding vanes being arranged so as intercept and deflect the admitted gas/liquid mixture sideways;—at least an agglomerator arranged close to the guiding vanes for agglomerating the liquid in the gas/liquid mixture.

Abstract: An air dryer includes a housing with an air inlet, an air outlet and a liquid drain outlet; and a membrane separator having surfaces extending between a first and second ends of the membrane. A first passage in the housing is connected to the air inlet and air outlet at it respective ends and extends between the first and second ends of the membrane separator along the surfaces of the membrane separator. A second passage in the housing is connected to the drain outlet and air outlet at it respective ends and extends between the first and second ends of the membrane along a surface of the membrane separator. A valve is connected between the second passage and the drain outlet for controlling the draining of the liquid and sweep air flow through the second passage. The dryer is to be inserted in a reservoir at its inlet or outlet. A coalescing filter may be provided in the housing in series with the membrane separator and the housing would include a second drain for the coalescing filter.

Abstract: A multi-cyclone apparatus is capable of separating and collecting contaminants by three stages. The multi-cyclone apparatus has a first collecting unit which separates large-sized contaminants from an air which is drawn through an air suction port, a cyclone body comprising a second cyclone which is communicated with the first collecting unit and separates middle-sized contaminants from the drawn air, and a plurality of third cyclones arranged around the second cyclone and separate small-sized contaminants from the drawn air, an air discharge port communicated with the cyclone body, through which the air is discharged after passing through the third cyclones, and a contaminant receptacle provided to a lower end of the cyclone body, and collects contaminants separated from the second and the third cyclones.