Abstract: A honeycomb body (300) including a plurality of radially-extending walls (322) intersecting with a plurality of circumferentially-extending walls (324), the plurality of radially-extending walls (322) and the plurality of circumferentially-extending walls (324) form a plurality of circumferential zones (334A, 334B, 334C) of cells (308). The plurality of circumferential zones (334A, 334B, 334C) of cells (308) includes a first zone of cells (334A) including two or more first rings of cells (330) and having a first cell density, and a second zone of cells (334B) including two or more rings of cells (330) having varying cell densities across the two or more rings of cells. Other structures and extrusion dies are disclosed.

Abstract: A honeycomb filter includes a honeycomb structure body having a porous partition wall disposed to surround a plurality of cells and a plugging portion disposed at one end of the cells, wherein the plurality of cells are arranged in a square grid pattern along a first direction and a second direction in a section orthogonal to an extending direction of the cells, the shape in the section is a deformed square having a specific corner, the specific corner includes a first curved portion, a second curved portion, and a connecting portion, a radius of curvature R1 of the first curved portion and a radius of curvature R2 of the second curved portion are 40 to 80 ?m, respectively, and a center distance between a center of curvature O1 of the first curved portion and a center of curvature O2 of the second curved portion is 80 to 200 ?m.

Abstract: A vehicle air cleaner is configured to improve the capability of a hydrocarbon trap mounted in a case to collect hydrocarbons. The vehicle air cleaner includes a case having an inlet port, through which external air is introduced, and an outlet port, through which filtered air is discharged, a filter assembly provided in a first space of an internal space in the case to filter the external air introduced through the inlet port and to remove foreign substances from the external air, and a hydrocarbon trap provided in a second space of the internal space in the case, through which the air filtered through the filter assembly flows, to collect hydrocarbons in the second space.

Abstract: A dust collector includes a filter frame, a cartridge filter, an end cap, and a cover. The filter frame is provided with a center column. The end cap is provided with a bottom plate, a plurality of sliding slots, a plurality of first side walls, a plurality of baffles extending from the first side walls, and a plurality of clamping members. The cover is provided with a plurality of protruding members and a plurality of extending members. The filter frame includes an accommodating space. The bottom plate is provided with a plurality of through openings that run through the bottom plate. The through openings are disposed opposite to the baffles and are configured to communicate between the sliding slots and the accommodating space. The extending members extend into the through openings. The first side walls are connected between the bottom plate and the baffles.

Abstract: Disclosed is a robot cleaner. The robot cleaner includes a cleaner main body defining an external appearance of the robot cleaner, a fan unit mounted in the cleaner main body for generating suction force, a suction unit provided in the cleaner main body and having a suction port for suctioning air containing dust via driving of the fan unit and a first discharge port and a second discharge port for discharging the air containing the dust, a first guide member coupled to the first discharge port, a second guide member coupled to the second discharge port, and a cyclone unit for separating the dust from the air suctioned through the suction port using centrifugal force, the cyclone unit having a first communication hole for communicating with the first guide member and a second communication hole for communicating with the second guide member.

Abstract: The present invention relates to an oil tank ventilation device for a hydraulic brake unit of a tramcar, comprising a vent plug, a sealing ring, a gas guide hole and a gas guide pipe; the gas guide hole is a through-hole structure arranged at an upper end inside an integrated valve block; the communications of electrical element protection case, integrated valve block and the oil tank are realized by the gas guide pipe stretched into an air chamber of the oil tank and by the vent plug configured in the electrical element protection case. When the surface of the oil tank is covered with ice or snow, the rain or snow can be effectively prevent from falling on the vent plug body and the driving safety of the train is ensured.

Abstract: An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes facing media secured to fluted media. A preferred projection/receiver arrangement is described. Also, a useful seal arrangement is described. Air cleaner assemblies, methods of assembly and use are also provided.

Abstract: A honeycomb structure body has cell walls arranged in a lattice arrangement and a plurality of cells surrounded by the cell walls. The honeycomb structure body has a cell density distribution in which a cell density is reduced continuously or stepwise from a center portion to an outer peripheral portion in a radial direction. The honeycomb structure body has wave shaped cell walls and flat shaped cell walls which extend in an axial direction. Particularly, the wave shaped cell walls are formed in a formation section having a cell density ratio of not more than 0.85 to a maximum cell density. The region having the flat shaped cell walls is inside the region having the wave shaped cell walls.

Abstract: A moisture trap for removing liquid from fluid from a tissue site treated with reduced pressure are described. The moisture trap may include a barrier adapted to be fluidly coupled to and define an indirect fluid path between a fluid reservoir and a reduced-pressure source. The barrier may have a hydrophilic surface. The moisture trap also may include a sump adapted to receive condensation from the barrier.

Abstract: A filter assembly is provided which is particularly suitable for use in filtering intake air for gas turbines. The filter assembly (6) includes a final filter (9) and a pre-filter (8) which are directly engageable one with the other to provide a complete filter assembly. By so providing, pre-filter units may easily be removed and replaced in a compact configuration. A kit of parts is also provided.

Abstract: A dehumidifier air filter system has: a dehumidifier module; a scrubber module; a dehumidifier adapter connected to the dehumidifier module; an air duct connecting the dehumidifier module to the scrubber module, and an air control window formed on the dehumidifier adapter. The air duct connects to the dehumidifier module at the dehumidifier adapter. The dehumidifier air filter system may be constructed with a front shell forming a housing for the dehumidifier apparatus within the dehumidifier module. The front shell has a front shell aperture. The front shell aperture receives the dehumidifier adapter, and the dehumidifier adapter is formed as a plate having at least two openings including: an air control window opening, and a ducting hose connector opening.

Abstract: [Problem to be Solved] To enhance the performance for separation of oil mist from blow-by gas. [Solution] A filter element 13 which is to be attached to an oil separator unit 3 includes a core 31. This core is a double tube having an internal cylindrical member 34 and an external cylindrical member 35, and a space between the internal cylindrical member and the external cylindrical member is used as a separation chamber 36. An injection hole 39 for injecting blow-by gas while increasing its flow velocity is provided in the internal cylindrical member. A surface which is an inner wall surface of the external cylindrical member and which faces the injection hole is a spraying surface onto which the blow-by gas injected from the injection hole is sprayed. Moreover, an opening for oil discharge from which oil OL condensed on the spraying surface is discharged, and an opening for discharge from which the blow-by gas from which oil mist has been separated is discharged are provided in the core.

Abstract: The present disclosure relates to a vehicle transmission service vent fitting with a hollow shaft insertable in a transmission housing, configured to allow a funnel nozzle to at least partially be inserted therein; and a release aperture formed in the shaft configured to enable exhaust from the transmission housing when the nozzle is at least partially inserted in the shaft and fluid passes through the nozzle.

Abstract: An inertial gas-liquid impactor separator includes flow director guidance structure directing and guiding flow through the housing from the inlet to the outlet along a flow path from upstream to downstream. The flow director guidance structure may include a flow controller controlling and directing flow.

Abstract: A grease filter, which includes a first channel having an inlet portion through which oil particles flow in, and a first guide unit configured to guide the oil particles flowing in through the inlet portion, and a second channel having an outlet portion through which the oil particles and air current flowing in through the inlet portion is discharged into the outside, and at least one second guide unit configured to guide the oil particles and air current to be discharged through the outlet portion. Here, the first channel and the second channel are detachably provided. The grease filter can be easily repaired and maintained, and collection efficiency can be improved due to such a configuration.

Abstract: A system for providing air to an internal combustion engine comprises a crankcase ventilation unit that receives unrefined blowby gas from a crankcase, separates oil from the unrefined blowby gas, and discharges refined blowby gas. A conduit delivers the refined blowby gas to an air cleaner housing. The air cleaner housing comprises a first chamber that receives intake air through a first port, a second chamber that receives intake air from the first chamber and refined blowby gas from the conduit through a second port, and a third chamber that receives a mixture of intake air and refined blowby gas from the second chamber and discharges the mixture through a third port. A primary filter element filters the intake air as it passes from the first chamber to the second chamber. A secondary filter element filters the mixture as it passes from the second chamber to the third chamber.

Abstract: An engine air filter box has an inlet housing and an outlet housing separated by a base plate with plural openings. Each opening is covered by a filter having a different height selected to fit between the base plate and the inlet housing while increasing air flow through the openings. The filter shape and cap shape can also be varied.

Abstract: The disclosure provides an emissions cleaning module for cleaning emissions output from an internal combustion engine. The emissions cleaning module may include a first conduit, a second conduit, a third conduit, a first end coupling and a second end coupling which together provide a continuous fluid path. The first, second and third conduits may be supported at one end by a first support member and at an opposite end by a second support member. The first, second and third conduits may be mutually parallel. The support members, conduits and couplings may be arranged with relative substantial translational movement thereof restricted.

Abstract: An inertial separation air precleaner system includes a replaceable insert removably mounted to the precleaner and altering air flow velocity through the precleaner by changing flow area of the flowpath through the precleaner housing. The replaceable insert is replaceable with a different insert for the same precleaner housing, which different insert provides a different flow area through the precleaner housing, enabling a selectable precleaner efficiency vs. restriction trade-off as chosen by a user for a particular application, enabling tuning of precleaner performance by the user.

Abstract: A cyclone has a cyclone body formed with a plurality of inlet ducts and an outlet. A first end of each of the inlet ducts is coupled to a downcomer and a second end of each of the inlet ducts is coupled to the cyclone body. The downcomer proximate the cyclone body is co-axial with and mounted to the cyclone body on a support. Each inlet duct exits the downcomer radially and enters the cyclone body tangentially.

Abstract: A blower air suction device of a motor vehicle air conditioner includes a blower with a vertical arrangement including a blower motor, a blower rotor, and a blower opening, wherein the blower is ensheathed by a blower scroll, and an air inlet housing with a fresh air opening formed in a front wall and with an ambient air opening. The installation of blower is suspended, that is, with the blower rotor under the blower motor, and the air inlet housing is arranged in the process beneath the blower.

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

Abstract: A filter for precipitating solid materials from a pressure medium or a gas includes an inlet and an outlet channel implemented in a filter housing. A filter element is disposed in the filter housing. Pressure medium flows through an outer surface of the filter element by means of the inlet channel into an interior area, and from the area to the outlet channel. The outer surface of the filter element, together with an inner surface of the filter housing, delimits an inlet chamber in which the pressure medium encompasses the filter element. The inlet channel and/or the inlet chamber are thereby embodied such that a centrifugal force acting approximately radially to the filter housing acts on the medium flowing into the inlet chamber, whereby the particles can be filtered out of the pressure medium in addition to the filter element.

Abstract: An air conditioning system duct housing has a plurality of walls coupled together, having at least one outside air intake, at least one return air intake and an air supply outlet channel; a filter; and a receiving aperture (mixed air plenum) to receive the filter therein, wherein the receiving aperture (mixed air plenum) is interposed between the at least one outside air intake, the at least one return air intake and the air supply outlet channel.

Abstract: A manifold element (210) for a filtering cartridge (200) comprising a shaped shell (215) provided with an internal volume (220) and a plurality of access ports (225, 230) communicating with said internal volume, among which a plurality of first access ports (225) and at least one second access port (230), wherein each of said first access ports (225) is adapted to be coupled with a respective filtering material element (205) so as to support it and be occluded thereby.

Abstract: The present invention relates to a separator and more specifically, but not exclusively, to a centrifugal separator for the cleaning of a gaseous fluid. A centrifugal separator is provided as comprising a housing defining an inner space, and a rotor assembly for imparting a rotary motion onto a mixture of substances to be separated. The rotor assembly is located in said inner space and is rotatable about an axis relative to the housing. The rotor assembly comprises an inlet for receiving said mixture of substances, an outlet from which said substances are ejected from the rotor assembly during use, and a flow path for providing fluid communication between the inlet and outlet, wherein the outlet is positioned more radially outward from said axis than the inlet.

Abstract: An air conditioning system duct housing has a plurality of walls coupled together, having at least one outside air intake, at least one return air intake and an air supply outlet channel; a filter; and a receiving aperture (mixed air plenum) to receive the filter therein, wherein the receiving aperture (mixed air plenum) is interposed between the at least one outside air intake, the at least one return air intake and the air supply outlet channel.

Abstract: The present invention relates to a separator and more specifically, but not exclusively, to a centrifugal separator for the cleaning of a gaseous fluid. A centrifugal separator is provided as comprising a housing defining an inner space, and a rotor assembly for imparting a rotary motion onto a mixture of substances to be separated. The rotor assembly is located in said inner space and is rotatable about an axis relative to the housing. The rotor assembly comprises an inlet for receiving said mixture of substances, an outlet from which said substances are ejected from the rotor assembly during use, and a flow path for providing fluid communication between the inlet and outlet, wherein the outlet is positioned more radially outward from said axis than the inlet.

Abstract: An inertial inlet particle separator system for a vehicle engine is provided. A separator assembly and collector assembly are coupled to the scavenge flow path and configured to receive the scavenge air. The collector inlet has a throat defining a cumulative throat area at each position along the throat length from the first throat end to the second throat end. The collector body defines a cross-sectional area associated with each position along the throat length between the first throat end and the second throat end. The collector outlet is coupled to the collector body such that scavenge air flows into the collector inlet, through the collector body, and out through the collector outlet. At a first position between the first throat end and the second throat end, the respective cross-sectional area of the collector body is greater than or equal to the respective cumulative throat area.

Abstract: The present invention relates to a separator and more specifically, but not exclusively, to a centrifugal separator for the cleaning of a gaseous fluid. A centrifugal separator is provided as comprising a housing defining an inner space, and a rotor assembly for imparting a rotary motion onto a mixture of substances to be separated. The rotor assembly is located in said inner space and is rotatable about an axis relative to the housing. The rotor assembly comprises an inlet for receiving said mixture of substances, an outlet from which said substances are ejected from the rotor assembly during use, and a flow path for providing fluid communication between the inlet and outlet, wherein the outlet is positioned more radially outward from said axis than the inlet.

Abstract: A separator comprises a separation chamber (1) with at least one inlet (11a) in its upper part, a solids outlet (12) in its lower part and two outlet pipes (2 and 3) for fractions of gas. Also described is a method which the separator uses, with the fractions of gas being sucked out in two separation zones generated inside the chamber, one with reverse flow and the other with unidirectional flow.

Abstract: The present invention relates to a separator and more specifically, but not exclusively, to a centrifugal separator for the cleaning of a gaseous fluid. A centrifugal separator is provided as comprising a housing defining an inner space, and a rotor assembly for imparting a rotary motion onto a mixture of substances to be separated. The rotor assembly is located in said inner space and is rotatable about an axis relative to the housing. The rotor assembly comprises an inlet for receiving said mixture of substances, an outlet from which said substances are ejected from the rotor assembly during use, and a flow path for providing fluid communication between the inlet and outlet, wherein the outlet is positioned more radially outward from said axis than the inlet.

Abstract: The present invention relates to a separator and more specifically, but not exclusively, to a centrifugal separator for the cleaning of a gaseous fluid. A centrifugal separator is provided as comprising a housing defining an inner space, and a rotor assembly for imparting a rotary motion onto a mixture of substances to be separated. The rotor assembly is located in said inner space and is rotatable about an axis relative to the housing. The rotor assembly comprises an inlet for receiving said mixture of substances, an outlet from which said substances are ejected from the rotor assembly during use, and a flow path for providing fluid communication between the inlet and outlet, wherein the outlet is positioned more radially outward from said axis than the inlet.

Abstract: The present invention relates to a separator and more specifically, but not exclusively, to a centrifugal separator for the cleaning of a gaseous fluid. A centrifugal separator is provided as comprising a housing defining an inner space, and a rotor assembly for imparting a rotary motion onto a mixture of substances to be separated. The rotor assembly is located in said inner space and is rotatable about an axis relative to the housing. The rotor assembly comprises an inlet for receiving said mixture of substances, an outlet from which said substances are ejected from the rotor assembly during use, and a flow path for providing fluid communication between the inlet and outlet, wherein the outlet is positioned more radially outward from said axis than the inlet.

Abstract: Sparation system 250 for separating particles of a first fluid from a flow of a second fluid, wherein the first fluid has a higher density than the second fluid comprises holder means 252 and a separation chamber 254. A lid 256 is provided for separation chamber 254. A plurality of apparatuses 200 for coalescing particles of liquid dispersed in a gas flow are arranged to be disposed in the holder means 252 such that the outlets 210 of the apparatuses are arranged to direct coalesced particles of liquid in a gas flow to enter the separation chamber 254. The separation chamber 254 comprises a gas outlet 258 and a drain 260 arranged to enable particles of solid or liquid separated from gas in the separation chamber to exit the separation chamber 254.

Abstract: A cyclone dust collector having a single or multiple dust collection bodies installed within a housing, wherein the dust collection body is composed of an upper primary cylindrical dust collection part and a lower secondary conical duct collection part, and a single or multiple slits are cut in the wall surfaces of the primary and secondary dust collection parts in such a manner that large dust particles with large inertial force are removed between the dust collection housing and the dust collection body via the slit(s), while small dust particles with small inertial force make a swirling flow motion within the dust collection body and are removed by the centrifugal force.

Abstract: A two stage gas-liquid separator assembly includes a housing having an inlet for receiving a gas-liquid stream and an outlet for discharging a gas stream. A first plenum chamber includes a pre-separator that causes liquid to separate from the gas-liquid stream and to drain to a lower portion of the first plenum chamber. A second plenum chamber includes a main separator downstream of the pre-separator that further causes liquid to separate from the gas-liquid stream and to drain to a lower portion of the second plenum chamber. A first drain port drains liquid from the lower portion of the first plenum chamber and a second drain port drains liquid from the lower portion of the second plenum chamber. Liquid drains from the first and second plenum chambers regardless of a pressure difference between a pressure in the first plenum chamber and a pressure in the second plenum chamber.

Abstract: The present invention discloses a method and apparatus for separating particles and dissolved matter from a fluid stream. Specifically, the present invention includes a first pressure source which transports untreated fluid into a separator annulus with a filter element disposed therein. The untreated fluid is placed under appropriate pressure sufficient to produce turbulent flow, increased particle kinetics and/or cavitation physics allowing the desired fluid to penetrate and pass into and through the filter media. The filtered fluid is then transported to a collection tank. The contaminant particulate matter retained on the exterior of the filter media may be removed by the instantaneous reverse pressurization of the separator annulus by a second pressure source thereby removing the contaminant particles away from contact with the filter media, and which may then be transported to a waste collection tank or a concentrator for further treatment.

Abstract: Filter systems and methods described herein include one or more spacer elements positioned in the dirty air chamber along with the filter elements attached to the spacer elements. The dirty air inlet delivers a dirty air stream into the dirty air chamber along a dirty air flow axis.

Abstract: An exhaust system is disclosed. The exhaust system may have a plenum configured to receive exhaust from an engine. The exhaust system may also have a first filter bank having a plurality of filter assemblies and configured to receive a first flow of exhaust from the plenum. The exhaust system may further have a second filter bank having a plurality of filter assemblies and configured to receive a second flow of exhaust from the plenum. In addition, the exhaust system may have a distribution device located between the first and second filter banks. The distribution device may have a plurality of perforations. A porosity of the distribution device may be configured to selectively distribute exhaust to the plurality of filter assemblies.

Abstract: A cyclone separator arrangement is made by forming a hollow cylindrical wall, making an L-shaped cut beginning at a first open end of the wall to form a flap, bending the flap inwardly to form a tangential inlet, enclosing the open end of the wall, and providing an outlet tube extending through the first end into the interior of said cylindrical wall along the central longitudinal axis.

Abstract: [Problem to be Solved] To enhance the performance for separation of oil mist from blow-by gas. [Solution] A filter element 13 which is to be attached to an oil separator unit 3 includes a core 31. This core is a double tube having an internal cylindrical member 34 and an external cylindrical member 35, and a space between the internal cylindrical member and the external cylindrical member is used as a separation chamber 36. An injection hole 39 for injecting blow-by gas while increasing its flow velocity is provided in the internal cylindrical member. A surface which is an inner wall surface of the external cylindrical member and which faces the injection hole is a spraying surface onto which the blow-by gas injected from the injection hole is sprayed. Moreover, an opening for oil discharge from which oil OL condensed on the spraying surface is discharged, and an opening for discharge from which the blow-by gas from which oil mist has been separated is discharged are provided in the core.

Abstract: An exhaust treatment device includes an insulation material positioned between an inner shell and an outer shell. An inlet tube has an end in communication with a cavity defined by the inner shell. A substrate for treating engine exhaust is positioned within the inner shell. A cast metal mounting ring is positioned between the inner and outer shells and includes a mounting provision for receipt of a fastener.

Abstract: A separator may include a body, an inlet portion, and an outlet conduit. The body may include a conical interior surface defining a conical cavity. The cavity may have a first outlet at a tip of the body. The inlet portion may be connected to the body and may include an outer surface, a cylindrical inner surface, and a first inlet passage extending between the outer surface and the inner surface. The inner surface may be defined by the longitudinal axis. The first inlet passage may be positioned relative to the inner surface such that a fluid flow through the first inlet passage is generally tangent to the inner surface. The outlet conduit may extend through the inlet portion and into the cavity. The outlet conduit may include a second inlet passage disposed inside of the cavity and a second outlet disposed outside of the body and the inlet portion.

Abstract: Apparatuses for separating solid catalyst particles from a Fluid Catalytic Cracking (FCC) vapor are provided. In one embodiment, an apparatus includes a vessel formed with a vessel wall. A conduit is positioned within the vessel and is configured to direct flow of an FCC vapor-solid stream. The apparatus also includes a channel positioned within the vessel and in fluid communication with the conduit. The channel has a channel inlet with an inlet cross-sectional area and a channel outlet with an outlet cross-sectional area less than about 75% of the inlet cross-sectional area. The channel outlet is configured to direct the vapor-solid stream tangentially toward the vessel wall to separate the solid catalyst particles from the FCC vapor.

Abstract: A portable air filtration system used in industrial environments to filter and re-circulate fumes from a fume source includes a housing that filters the fumes from the fume source. The housing defines at least one housing inlet to receive the fumes and a housing outlet to dispense the fumes. A receiving assembly is releaseably engageable with the at least one housing inlet and includes a receiver inlet and a receiver outlet. The receiver outlet is in fluid communication with the at least one housing inlet. The receiver inlet receives the fumes from the fume source and transfers the fumes to the housing inlet. The system is capable of being modified between a plurality of configurations.

Abstract: A portable dust collector comprises a rectangular box-shaped housing containing a rectangular box shaped filter chamber having a dust collection volume in a lower portion thereof and providing plenums for operative gas circulation in a compact environment. The filter chamber shares a portion of the floor with the housing and has a pair of internal parallel sidewalls spaced inwardly from the outside sidewalls of the housing. The internal sidewalls define a plurality of filter chamber dirty gas inlets located just under an apertured cell plate from which the filters hang. The system is provided with a pulse jet cleaning system located in the clean air plenum above the cell plate.

Abstract: A device for separating particles from an exhaust gas of an internal combustion engine includes at least a pot with a base having a multiplicity of openings, at least one nonwoven layer positioned on the base of the pot, and a cover. The at least one nonwoven layer is positioned between the base and the cover. A motor vehicle having the device is also provided.

Abstract: A motor-vehicle air cleaner comprises the filter assembly, an air-cleaner housing configured to fittably and removably accommodate the filter assembly and to enclose the main filter and the auxiliary filter separately when the filter assembly is accommodated in the air-cleaner housing. The motor-vehicle air cleaner further comprises a flow restrictor configured to restrict air flow to the auxiliary filter.

Abstract: The present application provides a turbine inlet air filter system for an incoming flow of air. The turbine inlet air filter system may include a gas turbine engine, a chimney, a weather hood positioned on the chimney, and a filter house. The incoming flow of air flows through the weather hood, the chimney, the filter house, and into the gas turbine engine.