Abstract: Mist and vapor eliminating filters, devices, methods of filtering aircraft air using the devices, and systems including the devices, are disclosed.

Abstract: A sampling device comprising a filter to remove particulates greater than about 10 microns, a dryer active to remove water vapor present in the air sample, a chemical scrubber active to remove contaminants from the air sample, a cold trap to capture analytes which is configurable to be put into fluid communication with a spectroscopic analyzer. A method of obtaining and analyzing a sample utilizing the device is also disclosed.

Abstract: An air cleaning module includes a filter, a fan, a light source unit, a housing and a guide structure. The fan is configured to provide a suction direction and a blowing direction of a fluid which are substantially aligned. The light source unit is arranged to be adjacent to the filter to emit a light toward the filter. The light having a property that sterilizes a contaminant source in a fluid. The housing includes a fluid passage space. The guide structure is arranged between the fan and the filter and configured to guide a fluid to move along a fluid passage path set by the guide structure. The filter and the light source unit are arranged in the fluid passage space such that the light source unit sterilizes a fluid as a fluid flows toward the light source unit.

Abstract: A filter device has a housing plate with a sleeve extending along a longitudinal axis perpendicular to the housing plate. The sleeve guides fluid containing particles along an inner sleeve surface to separate particles from the fluid and discharge the particles via a discharge window of the sleeve. An immersion tube plate opposite the housing plate has an immersion tube projecting coaxially into the sleeve for outflow of the fluid. The immersion tube has a sealing and centering section about an outer circumference of the immersion tube that forms a sealing surface parallel to the longitudinal axis and radially seals with an inner surface of the sleeve. The sealing and centering section extends about the immersion tube to provide coaxial alignment with the sleeve. A radial and/or axial expansion of the sealing and centering section is reduced in a predetermined region of the immersion tube opposite the discharge window.

Abstract: A pleated media pack includes a section of media configured into a tube defining an interior volume and an open opening at one end. A ratio of the pleat depth to a diameter of the opening is greater than 0.2. At least some of the pleats at one end of the media pack are inverted. In some examples, the pleats include major pleats alternating with minor pleats.

Abstract: A pleated media pack includes a section of media configured into a tube defining an interior volume and an open opening at one end. At least some of the pleats at both ends of the media pack are inverted. In some examples, the pleats include major pleats alternating with minor pleats.

Abstract: A fiber bed assembly used to remove aerosols and/or wetted soluble solids from a moving gas stream includes a fiber bed support and a fiber bed supported by the fiber bed support so that the gas stream passes through the fiber bed moving from an upstream space to a downstream space with respect to the fiber bed. A re-entrainment control device is located within a downstream space defined by the fiber bed so that at least a portion of the gas stream passes through the re-entrainment control device. The re-entrainment control device is shaped to change the direction of the average flow path of the gas stream as the gas stream passes through the re-entrainment control device so as to cause aerosols and/or wettable solids contained therein to be separated from the gas stream by inertial force. A re-entrainment control device and method of use are also disclosed.

Abstract: A dust-collecting device of a secondary dust-collecting machine includes a wind guide barrel having a wind intake and a bottom disposed with a dust-collecting barrel. The wind guide barrel further has its topside mounted with a wind duct installed thereon with a blowing fan and connected with a dust-collecting box, which has a plurality of centrifugal type dust collectors set therein. Thus, outside dust accompanying air can be sucked into the wind guide barrel through the wind intake by the suction of the blowing fan to have the dust with comparatively large diameter first collected by the dust-collecting barrel. Then, the remaining dust with lighter mass will be collected for a second time by the centrifugal type dust collectors and filtrated by the filter screen for completely filtrating and removing the dust from the operation environment.

Abstract: An oil mist separator includes at least one filter device for separating off liquid suspended particles from a carrier gas. The filter device includes a housing having at least one inlet opening for introducing the carrier gas and at least one outlet opening for discharging the filtered carrier gas. Arranged in the housing is at least one filter insert through which the carrier gas can flow along a flow direction. There is also provided at least one guide device by which the flow path can be deflected. The at least one filter device can be arranged releasably in the oil mist separator, and a seal is provided preferably between a first fixing surface of the oil mist separator and a second fixing surface, to be fixed thereto, of the filter device.

Abstract: An air filter is provided and may include a first housing and a filter media disposed within the first housing. A second housing may include an inlet port receiving air at a first pressure from the first housing and an outlet port returning the air to the first housing at a second pressure, less than the first pressure. The second housing may remove debris from the air prior to returning the air to the first housing.

Abstract: A method for improving fuel efficiency of a vehicle and an exclusive energy saving and emission reduction device thereof are provided. The key points of the technical solutions are as follows. An exhaust separation device is installed in a crankcase of an engine. An oil-gas separation technology is adopted to manufacture an oil-gas separator and a diffusion vortex chamber. According to an aerodynamic principle, the separation degree of the exhaust is improved through compression and high speed vortex in the energy saving device, in such a manner that engine oil vapor in the exhaust is separated from combustible mixed gases, and then sent to the engine via an air intake throttle. The present invention enables complete combustion of the fuel, so as to achieve effects of oil-saving and emission-reducing.

Abstract: A purification arrangement for a gas pipeline system includes a pressure vessel and at least first and second purification assemblies in the interior of the pressure vessel. An openable/closable barrier is positioned in the pressure vessel between the first and second purification assemblies. A gas flow may be established through the pressure vessel, and the gas may pass through the first purification assembly, the open barrier, and the second purification assembly to remove liquid and/or solid particulates from the gas.

Abstract: A dust collecting apparatus in which, when a filter cover is attempted to be closed in a state in which the filter is not installed, the filter cover is prevented from closing by a simple configuration, and a vacuum cleaner having the same. The dust collecting apparatus includes a filter, a cover including a filter installation part in which the filter is installed and a catching rib which is provided at the filter installation part, and a filter cover which covers an upper portion of the cover, and the filter cover includes a closing prevention rib which is restricted by the catching rib so as to prevent the filter cover from closing when the filter is not installed.

Abstract: A dustproof device is disclosed. The first blade set includes a plurality of first blades. The first blade has a first linking portion and a first blocking portion. The first blocking portion forms a first opening with another first linking portion of an adjacent first blade. The second blade set includes a plurality of second blades. The second blade has a second linking portion and a second blocking portion. The second blocking portion forms a second opening with another second linking portion of an adjacent second blade. Dust or particles entering the first blade set will be blocked by the second blade set and fallen between the first blade set and the second blade set.

Abstract: Systems and methods to improve the separation of drill cuttings from drilling fluids using cyclone devices are described. Specifically, a system for separating three phases of a gas/liquid/solid mixture is described. The system includes a cyclone for separating the gas/liquid/solid mixture into a solids component and a gas/liquid mixture; a gas/liquid separator for separating the gas/liquid mixture into a gas component and a liquid component; and a vacuum system for providing a motive force for moving the gas/liquid/solid mixture into the cyclone, moving the separated gas/liquid mixture into the gas/liquid separator and for removing the gas component from the gas/liquid separator.

Abstract: A purification arrangement for a gas pipeline system includes a pressure vessel and at least a modular separator assembly and a modular filter assembly in the interior of the pressure vessel. A gas flow may be established through the pressure vessel, and the gas may pass through the modular separator and filter assemblies to remove liquid and/or solid particulates from the gas.

Abstract: A fiber bed assembly used to remove aerosols and/or wetted soluble solids from a moving gas stream includes a fiber bed support and a fiber bed supported by the fiber bed support so that the gas stream passes through the fiber bed moving from an upstream space to a downstream space with respect to the fiber bed. A re-entrainment control device is located within a downstream space defined by the fiber bed so that at least a portion of the gas stream passes through the re-entrainment control device. The re-entrainment control device is shaped to change the direction of the average flow path of the gas stream as the gas stream passes through the re-entrainment control device so as to cause aerosols and/or wettable solids contained therein to be separated from the gas stream by inertial force. A re-entrainment control device and method of use are also disclosed.

Abstract: Methods and apparatus for vacuum operated sorting. The apparatus may include a plurality of casing members each having a passageway with a filter member across the passageway. The casing members may be removably coupled to one another in a desired order and/or quantity and attached to a vacuum source to provide sorting of objects such as beads into a plurality of size ranges.

Abstract: A versatile compact air precleaner, air cleaning method and disposable air filter cartridge for air precleaner for separating heaver-than-air particulate debris from debris laden air to provide a clean airflow, wherein a flow path for air passing through a separator chamber of the air precleaner is retroflexed en route to the outlet. A plurality of independently rotatably adjustable housing sections of a housing provide utility with multiple clean air outlet configurations, freedom of direction of ejection of particulate debris from the ejector ports, different inlet configurations, mounting of the precleaner from different sides, accommodation of different sizes of filters, and different clean airflow rate capabilities. A separator chamber end section including the ejector ports is connected to the filter as a removable, disposable air filter cartridge to obviate ejector port clogging with change of filters.

Abstract: A system for purifying as includes at least one housing (2) having a first chamber (6) into which the gas to be purified can flow, and a second chamber (10) forming a filter chamber, out of which the purified gas exits and with a filter device through which the gas can flow. The filter device has filter media (54) for separating out solid particles and for dehumidifying the gas for precipitating coalesced fluid. The first chamber (6) has a cyclone (60) for pre-dehumidifying the gas, from which dirt particles and fluids can be discharged into a third chamber (14) of the housing (2). The housing (2) is composed of an upper housing part (8) with the second chamber (10) forming the filter chamber, a middle housing part (4) with a first chamber (6) having the cyclone (60), and a lower housing part (12) forming the third chamber (14), that can be clamped together by at least one tensioning bolt (32), forming a closed pressure vessel.

Abstract: A centrifugal separator for separating particles from a fluid has a housing with a structural element provided with an opening. A cyclone cell having an inflow opening and an outflow opening is provided and is adapted to produce a swirl in a fluid that is flowing in through the inflow opening and exits through the outflow opening. The cyclone cell is secured in the opening of the structural element by being form-fittingly embedded by injection molding in the structural element. In a method for producing the centrifugal separator, at least one cyclone cell is provided and is embedded by injection molding so as to form the structural element that secures at least one cyclone cell in the housing.

Abstract: Aseptic bottling or container filling plant with a clean room arrangement enclosing the aseptic bottling or container filling plant and a filter unit for filtering air entering the clean room, and a method of operation thereof.

Abstract: A particle separator and air filter system are provided and may include a housing having an inlet and an outlet. The housing may remove debris from air entering the housing at the inlet prior to expelling cleansed air at the outlet. A baffle may be disposed within the housing and may define a first path for directing cleansed air to the outlet and may cooperate with an inner surface of the housing to define a second path that causes the air to circulate within the second housing. The baffle may include an opening permitting communication between the first path and the second path.

Abstract: An apparatus for separating a liquid from a mixed gas stream can include a wall, a mixed gas stream passageway, and a liquid collection assembly. The wall can include a first surface, a second surface, and a plurality of capillary condensation pores. The capillary condensation pores extend through the wall, and have a first opening on the first surface of the wall, and a second opening on the second surface of the wall. The pore size of the pores can be between about 2 nm to about 100 nm. The mixed gas stream passageway can be in fluid communication with the first opening. The liquid collection assembly can collect liquid from the plurality of pores.

Abstract: The invention relates to an oil mist separator of an internal combustion engine, comprising at least one gas-permeable diffusion separation body, through which a crankcase ventilation gas of the internal combustion engine can flow and in which oil mist present in the crankcase ventilation gas can be separated from the gas. The novel oil mist separator is characterized in that in the or each diffusion separation body additionally continuous free gas channels are formed, and that, viewed in the flow direction of the crankcase ventilation gas, behind the gas channels at least one further diffusion separation body, or an impingement separation surface is disposed at a distance from the or each diffusion separation body.

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: An air filter unit (1) for a carburetor (2) of a portable handheld work apparatus includes a filter element (3) and at least one clean air channel (10, 11) arranged between the filter element (3) and the carburetor (2). At least one condensation rib (29, 30, 31, 32) is arranged in the clean air channel (10, 11) running in flow direction.

Abstract: An apparatus for separating a liquid from a mixed gas stream can include a wall, a mixed gas stream passageway, and a liquid collection assembly. The wall can include a first surface, a second surface, and a plurality of capillary condensation pores. The capillary condensation pores extend through the wall, and have a first opening on the first surface of the wall, and a second opening on the second surface of the wall. The pore size of the pores can be between about 2 nm to about 100 nm. The mixed gas stream passageway can be in fluid communication with the first opening. The liquid collection assembly can collect liquid from the plurality of pores.

Abstract: A system for use with an inlet of a gas turbine through which an airflow toward the gas turbine proceeds is provided and includes a first self-cleaning stage to remove dust, snow and ice from the airflow, a second water tight stage, disposed downstream from the first stage, to prevent aerosol droplets and aqueous solutions of deliquesced particulates, which include at least portions of the dust not removed by the first stage and which are re-released into the airflow from the first stage, from proceeding along the airflow and to remove solid particulates not removed by the first stage from the airflow, and a third water removal stage, disposed downstream from the second stage, to remove from the airflow aerosol droplets leaking from the second stage.

Abstract: A system for use with an inlet of a gas turbine through which airflow toward the gas turbine proceeds is provided and includes a first stage to remove primary aerosol droplets from the airflow by coalescing the primary aerosol droplets into secondary aerosol droplets, which are larger than the primary aerosol droplets, and to remove solid particulates from the airflow, a second water tight stage, disposed downstream from the first stage, to prevent the secondary aerosol droplets and aqueous solutions of deliquesced particulates, which are not removed by the first stage and which are re-released into the airflow from the first stage, from proceeding along the airflow and to remove solid particulates not removed by the first stage from the airflow, and a third water removal stage, disposed downstream from the second stage, to remove from the airflow the remaining secondary aerosol droplets leaking from the first and second stages.

Abstract: A filter housing structure adapted to a projector having a first encircled hook-and-loop fastening layer, a housing, a filtering layer, and a second encircled hook-and-loop fastening layer is provided. The first encircled hook-and-loop fastening layer is fixed on the casing of the projector and surrounds the openings arrayed on the casing. The housing has a central portion and a boundary portion. The central portion has a plurality of through holes thereon corresponding to the openings of the casing. The boundary portion surrounds the central portion and is corresponding to the first encircled hook-and-loop fastening layer. The filtering layer is assembled in the central portion and is disposed between the through holes and the openings for shielding the through holes. The second encircled hook-and-loop fastening layer is fixed on the boundary portion for fastening the housing to the first encircled hook-and-loop fastening layer.

Abstract: A rolling regeneration diesel particulate filter and filtering process that utilizes NO produced in the process to generate additional amounts of NO2 than the NO2 produced by the diesel engine. The process includes the step of flowing diesel engine combustion exhaust through a filter system including a first section and a second section. The first section is positioned upstream of the second section with respect to the direction of the flow of the diesel engine exhaust through the filter. The first section includes a foam constructed and arranged to trap carbon-based particulates in the exhaust. A first catalyst is carried by the foam to promote the conversion of NO in the exhaust from the diesel engine to NO2. The first catalyst also promotes the reaction of NO2 with at least a portion of the carbon-based particulates trapped by the foam to form CO and NO.

Abstract: Device for extracting droplets of a liquid agent suspended in a gaseous fluid displaced in a machine for displacement of such a gaseous fluid, the extraction device comprising a first part and a second part. The first part comprising a first element, which is of elongated shape, with a longitudinal axis termed the first axis, and is intended to ensure a filtration function inside the apparatus; and a second element, which is intended to enable at least one of the following functions, which are a function of grasping at least by hand the first part and a function of fixing this first part to the second part. The second part comprising a wall that defines a chamber which is intended to be traversed by the gaseous fluid to be filtered and receives said first element in a position termed the operational position; and comprises an opening that delimits a passageway sufficient for the insertion of the first element into the chamber.

Abstract: An electronics assembly (48) is disclosed that utilizes a filter (24) within a plenum (50). The filter (24) may be electrically isolated from at least certain portions of the electronics assembly (48) by an electrical insulator (64). The electronics assembly (48) furthermore alleviates the need for a separate filter tray, and in this regard it may be such that only a first filter end (80) and a second filter end (82) of the filter (24) are supported within the electronics assembly (48).

Abstract: A microstructured nozzle consists of a number of channels produced by microstructuring a plate-shaped member. In the nozzle the channels are located between projections which are arranged side by side in rows and project from a base plate. This microstructured base plate is covered with a cover plate. The channels are narrowly defined in terms of shape, cross sectional area and length. The nozzle contains a filter as the primary structure and a secondary structure downstream of the filter. The nozzle is used, for example, with an atomiser which produces an aerosol from a fluid containing a medicament.

Abstract: A dust collector includes a collector housing and a filter arrangement. The collector housing includes a hopper and has walls defining an unfiltered air plenum, a filter region, a filtered air plenum, an air inlet, and an air outlet. The air inlet has a first dimension across a widest portion of the air inlet. A filter arrangement is operably positioned in the filter region of the collector housing. Unfiltered air flows through the air inlet, into the unfiltered air plenum, through the filter arrangement, into the filtered air plenum and out through the air outlet. The hopper is located under the filter region in a position to catch particulate matter that falls by gravity from the filter arrangement and the unfiltered air plenum. The unfiltered air plenum includes a pre-separation region that is spaced both laterally and axially relative to the filter region. The pre-separation region is spaced laterally relative to the filter region at least 0.5 times the first dimension of 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: The invention relates to an oil mist separator of an internal combustion engine, comprising at least one gas-permeable diffusion separation body, through which a crankcase ventilation gas of the internal combustion engine can flow and in which oil mist present in the crankcase ventilation gas can be separated from the gas. The novel oil mist separator is characterized in that in the or each diffusion separation body additionally continuous free gas channels are formed, and that, viewed in the flow direction of the crankcase ventilation gas, behind the gas channels at least one further diffusion separation body, or an impingement separation surface is disposed at a distance from the or each diffusion separation body.

Abstract: Disclosed is an improved axial flow unitary filter element for filtering a fluid stream, examples including a gaseous or an air stream. The filter element includes a primary filter portion and a pre-separation filter portion. The portions of said filter element are permanently integrated such that the portions form said unitary or one-piece filter element. The pre-separation portion is permanently secured and fully peripherally sealed about its peripheral portions to the primary filter such that a gaseous stream entering said inlet face of the primary filter must first pass through the pre-separation filter portion of the filter element. The pre-separation portion protects the primary filter portion from becoming water logged due to the presence of water droplets or snow in the fluid stream.

Abstract: An air cleaner, which includes a casing having an enclosed air passage with a ventilation pipe for guiding in outdoor air, a windpipe affixed to one side of the casing for circulation of indoor air, a damper pivotally mounted in between the casing and the windpipe for controlling the passage the casing and the windpipe and flowing direction of air between the casing and the windpipe, and an air filter and a negative ion generator mounted in the windpipe for cleaning air passing through the windpipe.

Abstract: An inertial gas-liquid separator has a variable flow actuator movable to open and close a variable number of accelerating flow nozzles.

Abstract: The present invention relates to a device for treating a gas/liquid mixture, comprising: —an upright vessel (1) with a lower and upper compartment; —an inlet (2) for admitting the flow of mixture into the lower compartment; —an agglomerating unit (10) placed between the lower and upper compartment for enlarging the liquid droplets in the mixture; —a lower outlet (4) for discharging the substantially liquid-containing mixture part from the lower compartment; —an upper outlet (5) for discharging the substantially gas-containing mixture part from the upper compartment; characterized by —collecting means (11) for collecting on the downstream side of the agglomerating unit liquid droplets which have broken through the agglomerating unit; —recycling means (12) for recycling the collected liquid to the lower compartment from the collecting means.

Abstract: A method of operating a plurality of clean room in a compound within a common enclosure and supplying each room with filtered air by a blower-filter unit by arranging the clean rooms and the blowers connected thereto in two parallel spaced rows with a corridor therebetween, and permitting filtered air to escape the clean rooms from beneath the walls of the clean rooms. Continuous operation of the blowers produces a bubble-like volume of air surrounding the blowers which consists primarily of clean, recirculated air escaping from the clean rooms. By arranging the clean rooms and blowers so that the clean air bubble produced by each blower overlaps the bubbles produced by at least two other blowers, the entire compound can be contained in a highly purified atmosphere consisting primarily of recirculated filtered air. A portion of the air from one or more clean rooms may be discharged in an upward direction through an opening in its top wall.

Abstract: A combined building air-conditioning unit and NBC protection system, containing an enclosed space housing a building air-conditioning unit and further including a plurality of chambers, a first chamber having an ambient air inlet port, one prefilter and a blower for sucking air through the prefilter, a second chamber having a valve including an open and closed state, receiving air from the blower and accommodating a C-detector and a valve actuator responsible, at least indirectly to, and operable by, the C-detector, and a third chamber housing at least one C-filter and a blower for sucking air from the second chamber via the C-filter into the building when the valve is in its closed state. A method for economically controlling air purity within a protected space is also provided.

Abstract: A serviceable gas/liquid separator is provided. The gas/liquid separator has a cross-section with one long axis and one short axis, with an aspect ratio of at least 1.3. A preferred cross-section, is an elliptical cross-section. Assemblies in which the separator unit can be used, are provided. In addition methods of use and construction are provided.

Abstract: An oil separator for separating entrained oil from a gas stream, the separator being arranged on a housing wall which divides a housing interior from a housing exterior. A support tube, which is arranged inside an outer casing and carries a filter element on its outer circumference through which gas can flow radially. The support tube is closed at its upper axial end face and communicates at its lower axial end face with the housing interior. An impingement separator is arranged in the vicinity of the lower axial end face of the support tube. The outer casing is closed at its bottom relative to the housing in a sealed manner.

Abstract: The separator has a vane assembly made up of a number of corrugated vanes that provide serpentine paths for the gas stream therethrough. As the gas stream flows through the serpentine paths, it changes direction and liquid in the gas stream impacts the surfaces of the vanes. The upstream section of the vane assembly has roughened surfaces to decrease the surface tension of the liquid, thereby causing the liquid to coalesce. The downstream section of the vane assembly has smooth surfaces so as to increase the surface tension of the liquid. The vane assembly is followed by filters, which capture the liquid that passes through the vane assembly. The vane assembly coalesces the liquid to enable the filters to operate more effectively.

Abstract: Device for the ventilation of a transmission case (11) that is normally intended to hold liquid lubricant for transmission components and includes a residual internal volume of air inside the transmission case that is connected to the atmospheric pressure by way of a passage. With the aim of reducing the quantity of dirt particles than can get into the transmission case by way of the said passage, the passage includes a first section (27) with a certain flow area and a second section (26) with, by comparison, an at least approximately 50% larger flow area. The first section (27) is situated between the atmosphere and the second section (26). A compressed air source (18) is connected to the passage between the internal volume of the transmission case (11) and the first section (27).

Abstract: A gas-liquid separator having two or more vertically spaced rows of parallel horizontally spaced upwardly facing gutters, the gutters having an upwardly extending gutter wall, wherein the upper end of the gutter wall is provided with a U-turn deflector.

Abstract: An upright vacuum cleaner with a cyclonic airflow path includes a floor-engaging base unit, a body unit pivotally mounted to the base unit and a motor/fan assembly mounted on one of the base unit or body units. A dirt collecting enclosure is also mounted on the body unit and includes a first large chamber and a second smaller chamber. A filter unit is disposed in the first large chamber. Dirt laden air is introduced into the first large chamber in a tangential manner so as to impart a cyclonic action to the airflow. The filter in the first large chamber is effective for removing larger particles of debris from the airflow. The remaining airflow is communicated to the second chamber where smaller particles of debris are removed. Airflow from the second smaller chamber is then communicated through a cyclonic chamber disposed above and transverse to the dirt collecting enclosure, to a third chamber where a second filter is disposed.