Abstract: An inertial gas-liquid separator removes liquid particles from a gas-liquid stream and has a variable orifice area variable along an axial direction and dependent upon axial movement of a plunger relative to a housing sleeve.

Abstract: The present invention relates to an extractor hood that comprises an extraction conduit and a delivery conduit, the first one housing an air treatment unit that extracts air through the lower mouth of the same conduit, and the second one housing an air treatment unit that produces a forced air flow with inside-outside direction, which is suitably conveyed by a deflector with downward inclination to generate a pneumatic screen above the cook top that conveys fumes rising from the cook top towards the lower mouth of the extraction conduit.

Abstract: A filter element includes a flow-through element and a floor element that abut one another to form a crevice along a crevice length between the flow-through element and the floor element. The crevice traps a portion of particles that become dislodged from the flow-through element.

Abstract: In a conventional reflow furnace equipped with a fume removal device, fume solids adhere to the inside of piping connecting it to the removal device, and a great amount of trouble was required for removal of the fume solids. The present invention maintains a fumes-containing gas discharged from a furnace at a temperature of at least the liquefication temperature of the fumes until the gas reaches a removal device so that fume solids do not adhere to the inside of piping. A removal device installed on a reflow furnace according to the present invention comprises an elongated-hole filter and a labyrinth filter, and fumes are completely removed by both filters.

Abstract: A separator comprises a first vessel and a second vessel. The separator includes at least one filter assembly disposed between the first vessel and the second vessel. The separator includes at least one or a plurality of filter assemblies. Each filter assembly provides fluid communication between the first vessel and the second vessel, effectively facilitating movement of the air stream from the first vessel through the assembly(ies) and into the second vessel for further discharge or distribution. In one embodiment, an impact zone is formed within the first vessel for enhancing the removal of particulates from the fluid stream. In another embodiment, at least one deflector is disposed within the first vessel for enhancing the removal of particulates from the fluid stream.

Abstract: Apparatus and methods for separating a fluid are provided. The apparatus can include a separator and a collector having an internal volume defined at least in part by one or more surfaces narrowing toward a bottom portion of the volume. The separator can include an exit port oriented toward the bottom portion of the volume. The internal volume can receive a fluid expelled from the separator into a flow path in the collector and the flow path can include at least two directional transitions within the collector.

Abstract: A two-stage blade-type mist eliminator is provided. In general, both stages include a plurality of impingement blades arranged to form a vaulted or inverted V-shaped profile. The first stage defines a larger included angle than the second stage. Advantageously, the corresponding terminal ends of each stage can be supported by a common support member.

Abstract: One exemplary embodiment can be a vessel for receiving a fluid. The vessel may include a shell and a demister including at least one section positioned proximate to the shell. Each section can have a first surface for primarily receiving the fluid and orientated, independently, about 5—about 85° with respect to horizontal.

Abstract: Cyclone collector including a primary cyclone (1) having a first inlet (14) for drawing external air, and a first outlet (14) for discharging air, a secondary cyclone (3) connected to the primary cyclone (1), and flow guide means (200) over the first outlet for preventing a flow direction of the air discharged from the first outlet (14) from turning sharply.

Abstract: A dust collecting mechanism for an air pump, in particular, an electromagnetic vibrational pump having a compact structure, capable of realizing the efficiency of dust collecting ability is disclosed. The mechanism is simple in assembly work. An inlet and an outlet for fluid are provided in the mechanism at a barrier chamber of the mechanism provided in at least one portion of a housing. A plurality of cross walls at which 1 or 2 or more of vent holes are provided are arranged in the mechanism. At least the position of the vent hole of the adjacent cross wall is different among a plurality of the cross walls.

Abstract: The invention relates to a device for separating a gas-liquid mixture, in which the liquid portion exists in the form of small particles, especially for ventilating a crankcase of an internal combustion engine, by separating and coagulating the liquid particles on a target area. The liquid mixture, after acceleration in acceleration openings provided for this purpose, impacts the target area at an approximately right angle. The aim of the invention is to improve the aforementioned device in such a manner that it allows as high a degree of separation as possible for different sized volume flows of mixtures. For this purpose, the number and/or the cross-sections of the acceleration openings is varied, depending on the volume flow of mixtures, between a small complete cross-section for a low volume flow and a large complete cross-section for a large volume flow.

Abstract: A particle collector comprises a housing defining an enclosed chamber. An inlet opening in the housing provides fluid communication between a source of gas and particles and the chamber and an outlet opening provides fluid communication between the chamber and the exterior of the housing. The outlet opening is connected to a pump for drawing gas and particles through the housing from the inlet opening to the outlet opening. A collecting member having an adhesive on at least a portion of the surface is disposed in the chamber between the inlet opening and the outlet opening. The adhesive surface of the collecting member is positioned adjacent to the inlet opening. When gas and particles are drawn through the housing, the inlet opening directs a stream of gas and particles at the surface of the collecting member. Particles having an aerodynamic equivalent diameter of less than about 2.5 ?m are captured.

Abstract: An intake air management apparatus attached to a vehicle frame and configured for connection to an air cleaner of a vehicle includes a box having an opening defined by a pair of opposing sidewalls, a back wall, a top surface and a bottom surface having an aperture. An air drop tube is inserted into the aperture and has an inlet end and an oppositely located outlet end. A diversion baffle partially covers the opening and is configured for preventing moisture from entering the inlet end of the tube.

Abstract: A collecting unit is disposed on an exhaust passage of a semiconductor processing apparatus to collect by-products contained in an exhaust gas. The collecting unit includes a trap body detachably disposed inside a casing and configured to collect a part of the by-products. The trap body includes fins arrayed in a flow direction of the exhaust gas and having a surface on which a part of the by-products is deposited and trapped. The collecting unit further includes a receiving mechanism disposed inside the casing and configured to receive a part of the by-products that peels off from the trap body or an inner surface of the casing to prevent this part from being deposited on a bottom of the casing. The receiving mechanism is configured to allow a part of the by-products held thereon to be in contact with a cleaning gas from above and from below.

Abstract: The present invention relates to an extractor hood that comprises an extraction conduit and a delivery conduit, the first one housing an air treatment unit that extracts air through the lower mouth of the same conduit, and the second one housing an air treatment unit that produces a forced air flow with inside-outside direction, which is suitably conveyed by a deflector with downward inclination to generate a pneumatic screen above the cook top that conveys fumes rising from the cook top towards the lower mouth of the extraction conduit.

Abstract: A vane having a profile capable of formation by pultrusion is disclosed. The vane can be used for removing liquids entrained in a gas stream. The vane includes a main curved section oriented generally parallel to the gas stream and curved to reorient the gas stream, the main curved section causing a first and a second change of direction of the gas stream; a first air pocket formed on a first side of the main curved section, the first air pocket sized and oriented into the gas stream where the gas stream first changes direction; and a second air pocket formed on a second side of the main curved section, the second air pocket smaller than the first air pocket and sized and oriented into the gas stream where the gas stream makes the second direction change.

Abstract: A drift eliminator is formed from alternating curved spacers and corrugated spacer members to define tube-like passageways for the flow of air through an evaporative cooling apparatus. The formation of the corrugated blade member with beveled side walls places the back walls of the channels in a different plane than the front walls, with the lower edge of the front walls of the channels being positioned in a common plane along with the lower edge of the blade members. The angled side walls impede the formation of a film of water across the inlet opening into the channel, which requires an increase in horsepower for the fan to push air through the drift eliminator. Mechanical fastening devices molded into the respective members connects the corrugated spacer members and the blade members. A method of forming the corrugated spacer members to provide the angled side walls is also provided.

Abstract: A filter for filtering a fluid passing therethrough is provided. The filter includes a filter media having an outer periphery, an inner periphery, a first end portion, and a second end portion. The filter further includes a first end cap disposed on the first end portion. The filter further includes a second end cap disposed on the second end portion. The filter further includes a deflecting member disposed over a portion of the outer periphery, wherein the fluid is deflected by the deflecting member and a portion of the fluid is filtered by the filter media by entering through a portion of the outer periphery not covered by the deflecting member.

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

Abstract: An inertial gas-liquid separator and method is provided, including variable orifice jet nozzle structure having a variable orifice area dependent upon axial movement of a plunger relative to a housing sleeve, and in another embodiment having first and second flow branches, with the first flow branch being continuously open, and the second flow branch having a variable flow controller controlling flow therethrough.

Abstract: A method of removing moisture from inlet air flowing to a gas turbine. The method comprises the steps of providing a housing for supporting a primary air filter. The housing is operably connected with the gas turbine. A hood connected with the housing is provided. The hood has a surface disposed at an acute angle relative to horizontal. Inlet air flow is directed into a preliminary filter supported above the hood and extending in a downward direction. The preliminary filter comprises media capable of separating moisture from the inlet air flowing through the preliminary filter at an exterior portion of the preliminary filter. Separated moisture agglomerates into a drop incapable of being carried by the flow of inlet air so the drop falls onto the hood to be directed out of the flow of inlet air.

Abstract: An electrostatic precipitator includes an inertial gas-contaminant impactor separator providing two stage separation and reducing contaminant collection load on the collector electrode at the corona discharge zone to reduce contaminant build-up thereon and extend service intervals for cleaning or replacement thereof.

Abstract: Three exhaust trap units are arranged in series in an exhaust trap device for trapping substances solidified from exhaust gas and exhaust gas paths are formed inside the exhaust trap units. One or more collision plates are placed in each trap unit. The collision plates in each of the two upstream side exhaust trap units are arranged such that a space extending in the axial direction of the exhaust path is present therein without being blocked by any of the collision plates. The collision plates in the downstream side exhaust trap unit are arranged such that such a space is not present. Uneven distribution of the amount of accumulation of solidified substances is suppressed without performing complex control, and outflow of the solidified components to the downstream side of the exhaust trap device can be reliably reduced.

Abstract: A system for measuring fume generation rates and total fume emissions of welding and allied processes includes a fume collection chamber and an automated welding assembly. The fume collection chamber includes a fume chamber housing, a door attached to the housing, a filter support connected to the housing, a hood connected to the housing and a connector attached to the housing and/or the hood. The automated welding assembly includes a rail, a carriage moveably mounted on the rail, a gun arm connected to the carriage and a welding gun mounted to the gun arm.

Abstract: An efficient device for capturing fast moving particles has an adhesive particle shield that includes (i) a mounting panel and (ii) a film that is attached to the mounting panel wherein the outer surface of the film has an adhesive coating disposed thereon to capture particles contacting the outer surface. The shield can be employed to maintain a substantially particle free environment such as in photolithographic systems having critical surfaces, such as wafers, masks, and optics and in the tools used to make these components, that are sensitive to particle contamination. The shield can be portable to be positioned in hard-to-reach areas of a photolithography machine. The adhesive particle shield can incorporate cooling means to attract particles via the thermophoresis effect.

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

Abstract: A separation device for the removal of impurities extracted from a flexible conduit from a fuel such as liquefied petroleum gas is described having a housing with an inlet and an outlet, a means for channeling the fuel from the inlet onto an impingement surface in fluid communication with the fuel stream, the surface acting to condense the impurities, a gravity separation means for collecting the impurities removed from the fuel, and a means for channeling the fuel into an outlet.

Abstract: An inertial gas-liquid impactor separator has a variable flow actuator for varying cumulative gas-liquid flow through acceleration nozzle structure in response to a given parameter.

Abstract: A filter assembly is disclosed for use in connection with the filtration of products transported via pipelines, including high pressure gas pipelines. The disclosed filter assembly is comprised of a plurality of filter modules, a series of valves, inlet and outlet ports, connective piping, and spool pieces. The filter assembly will temporarily redirect flow from the pipeline, through one or more filter assemblies, and back into the original pipeline a short distance downstream from the original takeout point. If flanged connections are not readily available for a particular section of pipeline, the filter assembly can be connected to virtually any section of pipe through “hot tapping” technology, which allows a valve to be placed on an active and pressurized section of pipeline.

Abstract: A precursor delivery system includes a flow path from a precursor container to a reaction space of a thin film deposition system, such as an atomic layer deposition (ALD) reactor. A staging volume is preferably established between the precursor container and the reaction space for receiving at least one dose of the precursor material from the precursor container, from which a series of pulses is released toward the reaction space. The precursor material is typically vaporized after loading it in the precursor container by heating or reducing the pressure inside the precursor container. A vacuum line is preferably coupled to the precursor container and bypasses the reaction space for reducing pressure inside the precursor container without drawing particles into the reaction space. A high conductivity particle filter having inertial traps may be included, preferably between the precursor container and a staging volume, for filtering particles from the precursor material.

Abstract: A particle collector comprises a housing defining an enclosed chamber. An inlet opening in the housing provides fluid communication between a source of gas and particles and the chamber and an outlet opening provides fluid communication between the chamber and the exterior of the housing. The outlet opening is connected to a pump for drawing gas and particles through the housing from the inlet opening to the outlet opening. A collecting member having an adhesive on at least a portion of the surface is disposed in the chamber between the inlet opening and the outlet opening. The adhesive surface of the collecting member is positioned adjacent to the inlet opening. When gas and particles are drawn through the housing, the inlet opening directs a stream of gas and particles at the surface of the collecting member. Particles having an aerodynamic equivalent diameter of less than about 2.5 ?m are captured.

Abstract: A paper trap includes a trap chamber. An outlet of the trap chamber is preferably connected to an inlet of the exhaust bypass damper. An inlet of the trap chamber is coupled to dust capture hoods and an outlet of the bypass chamber is coupled to a dust collector. A perforated plate is disposed in the trap chamber to prevent scraps of paper from passing through the paper trap. The paper trap includes a normal operating position and a cleaning position. In a normal operating position, air from the dust capture hoods flows through the paper trap. In a cleaning position, a paper disposal opening is uncovered to remove scraps of paper from the perforated plate. A junction between the trap chamber and bypass chamber is covered and a bypass inlet uncovered. Air flows into the bypass inlet and out-of-the outlet of the bypass chamber.

Abstract: A high conductivity particle filter provides a flow path to subject a fluid stream to a series of turns. The turns require an abrupt directional change for the fluid stream. Traps are positioned in proximity to the turns to capture particles, which have greater inertia than the fluid. The flow path may be a spiral or a series of parallel paths. A cross sectional area of the flow path may be progressively decreased to increase flow velocity and particle inertia.

Abstract: A DPF apparatus includes: a container; an exhaust inlet pipe; a diesel particulate filter; a pair of perforated plugs; a pair of partition plates; and a diffusion chamber. The exhaust inlet pipe is inserted into the container and having openings formed in a pipe wall thereof. The diesel particulate filter is disposed inside the container. The perforated plugs are separately disposed inside an end portion of the exhaust inlet pipe. The partition plates have one or more openings and disposed on the pipe wall of the exhaust inlet pipe. The diffusion chamber is defined by an inner wall face of the container, the perforated plugs, the partition plates, and the pipe wall of the exhaust inlet pipe.

Abstract: Apparatus for separating solids from flue gas in a circulating fluidized bed (CFB) boiler comprises plural vertical, impact type particle separators made of a plurality of hung elements which are supported from at least one cooled support tube. The plurality of hung elements cooperate with one another at adjacent ends thereof to form a collecting channel which opens toward a flow of flue gas along the length of the support tube. Each hung element includes two mutually inverted U-shaped parts; the first U-shaped part opens towards the oncoming flow of flue gas, the second U-shaped part embraces the support tube, and the first U-shaped part is shifted relative to the second U-shaped part by some fraction of a height of the hung element. The hung elements may be made of metal or ceramic.

Abstract: Apparatus for separating solids from flue gas in a circulating fluidized bed (CFB) boiler comprises plural vertical, impact type particle separators made of a plurality of hung elements which are supported from at least one cooled support tube. The plurality of hung elements cooperate with one another at adjacent ends thereof to form a collecting channel which opens toward a flow of flue gas along the length of the support tube. Each hung element includes two mutually inverted U-shaped parts; the first U-shaped part opens towards the oncoming flow of flue gas, the second U-shaped part embraces the support tube, and the first U-shaped part is shifted relative to the second U-shaped part by some fraction of a height of the hung element. The hung elements may be made of metal or ceramic.

Abstract: Device for extraction of greases in aerosol form from an air flow in a ventilation system, which device includes a number of intermediate plates which define both an increased surface of deposition for the greases, and an extended flow path in the ventilation system, which flow path exhibits an alternating direction of flow and an alternating cross sectional area. According to the invention, each intermediate plate exhibits a turbulence inducing wing, along a free edge thereof which forms the highest situated point or line in each intermediate plate in the device, which wing is directly followed in the flow path by an increased cross-sectional area for the air flow.

Abstract: A device for separating gas and liquid/solid particles from a gas/liquid/solid particle mixture having a line in which the medium flows, a deflecting element situated in the line, which generates separating vortexes in the medium and thus separates gas from liquid/solid particles.

Abstract: A universal drum lid for vacuum systems includes an inlet port configured to intercept downwardly flowing influent at a baffle and engage a direction plate which redirects the flow laterally against an adjacent side wall of the receptacle. An outlet port is shielded by the direction plate. Maximum liquid removal and minimal liquid carryover is achieved through the use of the drum lid. Preferably, a disengagement chamber precedes the baffle for disengaging suspended particles, including liquid, and permitting debris to pass the baffle without blockage. A single float ball-valve is sensitive to flow and will seal the outlet on high liquid entrainment and on high liquid levels.

Abstract: An assembly for removing aerosol from crankcase gasses being returned to an air intake manifold is generally shown at and includes a housing having a housing wall defining a top portion and a base with at least one drain. An inlet line extends through the housing wall communicating with a crankcase. An outlet line extends through the top portion for communicating with an air intake manifold. An inertial separator generally shown at is attached to the inlet line and has a screen through which the crankcase gasses pass and an impacter plate for obstructing aerosol suspended in the gasses. A sheet wound in spaced convolutions to define a spiraled path from the exterior to a central space conveys gasses from the inertial separator to the central space. A thermal interception tube located in the central space receives gasses and has a tube wall for gasses to pass therethrough and an opening at one end for egress of gasses.

Abstract: A particle collector comprises a housing defining an enclosed chamber. An inlet opening in the housing provides fluid communication between a source of gas and particles and the chamber and an outlet opening provides fluid communication between the chamber and the exterior of the housing. The outlet opening is connected to a pump for drawing gas and particles through the housing from the inlet opening to the outlet opening. A collecting member having an adhesive on at least a portion of the surface is disposed in the chamber between the inlet opening and the outlet opening. The adhesive surface of the collecting member is positioned adjacent to the inlet opening. When gas and particles are drawn through the housing, the inlet opening directs a stream of gas and particles at the surface of the collecting member. Particles having an aerodynamic equivalent diameter of less than about 2.5 &mgr;m are captured.

Abstract: A sampling system and method for sampling particulate matter from a high-temperature, high-pressure gas stream. A cyclone sampler for use at high temperatures and pressures, and having threadless sacrificial connectors is disclosed. Also disclosed is an improved cascade impactor including jet plates with integral spacers, and alignment features provided for aligning the jet plates with their associated collection substrates. An activated bauxite alkali collector is disclosed, and includes an alumina liner. The sampling system can be operated remotely or locally, and can be permanently installed or configured as a portable system.

Abstract: An apparatus for cleaning a fluid in the form of steam from a circuit in which a given flow of water vapour is generated and led to a separator (1) and thence to a cooler or a condenser or it is discharged into the atmosphere, said separator (1) comprising a closed volume (2), a steam inlet duct (4) and a steam outlet duct (5) opposite one another on said closed volume (2) incorporating a tabular element (3) lying below the vertical and sloping downward in relation to said steam inlet (4), forming a channel (6) at the bottom with a discharge pipe (7) which moves the liquefied substances and particles adhered to said tabular element (3) to the bottom of said closed volume (2) from where they are removed through drains (8).

Abstract: A baffle system for separating entrained liquid from a gas stream including columns of U-shaped baffles extending into a liquid trough and including flashing at the top of the baffles on opposed sides, wherein the wet side flashing is longer than the dry side flashing, and a trough baffle directing the air stream upwardly reducing re-entrainment of liquid. The flange portions of the columns of baffles are spaced to provide for cleaning.

Abstract: A method of removing a liquid entrained in a gas moving at a velocity in an upward direction from a base to a top of a stack comprising the steps of imparting a swirling direction to the velocity of the gas adjacent the base of the stack and then recovering at least some of the liquid adjacent the top of the stack. Also disclosed is an apparatus for removing a liquid entrained in a gas in a stack having a base and a top comprising at least one duct having a longitudinal axis entering the stack adjacent said base and at least one vertical vane disposed at and angled to the longitudinal axis of the duct and a collector adjacent the top of the stack for recovering liquid.

Abstract: In a refrigeration system having a cooler with liquid refrigerant therein, a heat exchanger is provided above the heat transfer tubes so as to interrupt any liquid refrigerant droplets that tend to be entrained in the refrigerant vapor as it is boiled off from the heat transfer tubes and caused to pass upwardly to the compressor suction inlet. The liquid droplets that collect on the heat exchanger are boiled off with the resultant refrigerant vapor passing on to the compressor suction inlet. The heat exchanger medium passing through the heat exchanger can be the cooling fluid that subsequently passes through the heat transfer tubes, or it may be condensate that is received from the condenser.

Abstract: The present invention relates to an oil separator for separating oil from a gaseous medium discharged by a compressor. The oil separator includes an inlet for communication with the discharge outlet of a compressor, and first and second outlets. The first outlet allows separated refrigerant to escape the oil separator, and the second outlet allows separated oil to escape the oil separator. A tortuous path lies between the inlet and a first outlet, and is comprised of one or more enlarged regions and one or more narrow regions that are angularly situated with each other. The walls of the tortuous path provide surfaces on which the oil contained within the gaseous medium can be impinged, and thereby separated from the gaseous medium. The oil separator may also include a collection chamber and drainage pathways that communicate with the tortuous path. The oil separator can be a separate body that is attached to a compressor, or may be integrally formed by a housing of a compressor.

Abstract: A separator for separating entrained particles from a fluid flow incorporates a cyclone chamber having an outer wall and a cyclonic flow region; a fluid inlet for introducing a cyclonic fluid flow to the cyclonic flow region; a fluid outlet for removing the fluid flow from the cyclone chamber; a particle separation member positioned in the cyclone chamber beneath at least a portion of the cyclonic flow region, the particle separation member having an upper surface and plurality of apertures; and a particle receiving chamber disposed beneath the particle separation member for receiving particles passing into the particle receiving chamber through the apertures. In operation, a fluid is introduced to flow cyclonically in a chamber having a cyclonic flow region and a particle separation member positioned in the cyclone chamber to define a particle receiving chamber. The back pressure in the chamber is adjusted to promote the formation of a laminar boundary layer adjacent the particle separation member.

Abstract: A water separator for a gas transmission system and including a cylindrical vessel having a front end wall defining a gas inlet, a rear end wall defining a gas outlet, and a bottom wall defining at least one water discharge opening; a tank disposed below the vessel and having at least one water entry opening communicating with the one discharge opening, and a water drain opening; and at least one solid baffle projecting transversely into and obstructing gas flow through an upper portion of the vessel, the baffle being substantially axially aligned with the gas inlet and substantially transversely aligned with the discharge opening.

Abstract: A mixing chamber receives pyrophoric gas for mixing with oxygen prior to discharge into an upright housing of the apparatus. Tubular members within the housing define annular passageways through which the mixed gas and oxygen flow in a serpentine manner with reversal of flow direction promoting the precipitation of matter. A receptacle is removably attached to the housing for collection of matter with mounting means enabling periodic receptacle removal for cleaning. An enclosure about a housing end includes a door for access to the receptacle. Provision is made for ventilating of the enclosure to an exhaust conduit during door opening to prevent escape of gas and particulate to the atmosphere. A modified form of apparatus includes a filter and chemical bed for further treatment of the flow.