Abstract: A muffler may include a thin plate mesh provided in an internal space of an inlet chamber formed at a side opposite to an outlet chamber of a muffler housing such that gas contained in exhaust fluid passes through the thin plate mesh by collision of the exhaust fluid against the thin plate mesh and water contained in the exhaust fluid is separated from the gas; a water movement guide fluidically-connected to the inlet chamber and the outlet chamber for allowing the water gathered at the front side of the thin plate mesh in the internal space of the inlet chamber to flow therein and move to the outlet chamber; and a muffler pipe connected to the inlet chamber and the outlet chamber for allowing the gas gathered at the rear side of the thin plate mesh in the internal space of the inlet chamber to move to the outlet chamber.

Abstract: In order to improve safety in a refrigerant compressor system comprising a refrigerant compressor and an electric drive motor for driving the refrigerant compressor, and, arranged in a protected manner in an interior of a control housing, a control electronics system, comprising electric components or electronic power components, for controlling the electronic drive motor, it is proposed that, during operation of the refrigerant compressor system with combustible refrigerant, the control housing is provided with a refrigerant drain, which does not impair at least one protection criterion of the control housing, for discharging refrigerant which enters the interior due to a refrigerant leakage, said refrigerant drain causing the refrigerant entering into the interior due to the refrigerant leakage to pass out of the interior into the surroundings of the refrigerant compressor system.

Abstract: A filter assembly that includes a filter housing with a housing interlocking feature, a filter cover with a filter cover interlocking feature, and a filter element with a filter element interlocking feature is disclosed. The filter element is positionable within the filter housing, and the filter cover is attachable to a top portion of at least one of the filter element and the filter housing. The housing interlocking feature, the filter cover interlocking feature, and the filter element interlocking feature are interlockable with each other and extend in a nonplanar configuration along at least one side of the filter element when the filter housing, the filter cover, and the filter element are assembled together.

Abstract: Disclosed is an arrangement of a filtering element for a device for purifying gas from the crankcase of an internal combustion engine, which includes: a filtering element mounted so as to rotate about an axis and having an annular filtering medium; a rotor element capable of being part of a rotating system, making it possible to turn the filtering element by way of notches formed on the outer surface of a sleeve. The flanges of the filtering element are attached to one another in an inner space defined by the medium, typically by snap-fitting, using at least one retaining member and an anchor portion engaging with one another with an anti-rotation effect. The anchoring portion is provided with inner projections forming contact surfaces, preferably angular, which are inserted into the notches of the sleeve when the rotor element is inserted into the inner space.

Abstract: Surface modified filter media, including surface modified filter media having enhanced performance characteristics, are provided. In some embodiments, a filter media may comprise two or more layers designed to enhance fluid separation efficiency. One or more of the layers may have at least a portion of a surface that is modified to alter and/or enhance the wettability of the surface with respect to a particular fluid. In certain embodiments involving a filter media including more than one surface modified layer, at least one surface modified layer may have a greater air permeability and/or mean flow pore size than that of another surface modified layer. Such a configuration of layers may result in the media having enhanced fluid separation properties compared to filter media that do not include such modified layers or configuration of layers, all other factors being equal. The filter media may be well-suited for a variety of applications, including filtering fuel, air, and lube oil.

Abstract: An air filtration for detecting hazardous particles includes a housing having an air flow pathway extending therethrough. The housing is configured to receive air flow from an inlet of the housing and to expel air flow from an outlet of the housing. A pair of electrodes are positioned within the air flow pathway. A sensor system is operatively connected to the pair of electrodes to measure electrical current flowing therebetween. A processor is operatively connected to the sensor system to compare the measured electrical current with a stored baseline current. An alarm is operatively connected to the processor. The processor activates the alarm when the measured electrical current is different than the stored baseline current.

Abstract: A methanol carbonylation system 10 includes an absorber tower 75 adapted for receiving a vent gas stream and removing methyl iodide therefrom with a scrubber solvent, the absorber tower being coupled to first and second scrubber solvent sources 16, 56 which are capable of supplying different first and second scrubber solvents. A switching system including valves 90, 92, 94, 96, 98 alternatively provides first or second scrubber solvents to the absorber tower and returns the used solvent and sorbed material to the carbonylation system to accommodate different operating modes.

Abstract: A filter assembly that includes a separator for separating gas from a fluid. The assembly includes; a base with surrounding walls that define a fluid reservoir; a baffle that overlies at least a portion of the reservoir; a filter element that is beneath the baffle and in the reservoir; and, a cover that is removably fastened to the base and includes a fluid inlet that terminates in a conical base with an unrestricted opening and the baffle includes a fluid impact cone.

Abstract: Filter media, including those suitable for hydraulic applications, and related components, systems, and methods associated therewith are provided. The filter media described herein may include two or more layers, at least one of the layers having a relatively high percentage of microglass fibers. Additionally, the filter media may be designed such that the ratio of average fiber diameters between two layers is relatively small, which can lead to a relatively low resistance ratio between the layers. In some embodiments, at least one layer of the filter media comprises synthetic polymer fibers. Certain filter media described herein may have desirable properties including high dirt holding capacity and a low resistance to fluid flow. The media may be incorporated into a variety of filter element products including hydraulic filters.

Abstract: A blow-by gas inlet structure of an oil separator adapted to be placed above a cam chamber of an internal combustion engine, comprises a plate that forms a bottom wall of the oil separator; a blow-by gas inlet opening that is formed in the plate; an oil blocking structure that is provided below the blow-by gas inlet opening in a manner to divide the blow-by gas inlet opening into front and rear inlet openings through which the blow-by gas is led into the oil separator, the front and rear inlet openings being arranged in a first direction; and a transverse rib that is provided on the oil blocking structure and extends in a second direction that is perpendicular to the first direction.

Abstract: A water-vapor separation box for an instant-hot type water dispenser comprises: a box body, including: a water input tube, disposed on a side wall at an upper end of the box body; a first block plate, disposed on a rear side of a water output end of the water input tube; a second block plate, disposed at a rear side of the first block plate, to make the vapor flow upward; a water output tube, disposed at a rear side of the first block plate to directly flow the water out; a vapor output tube, disposed around outer perimeter of the water output tube, with vapor input elevation of the vapor output tube higher than the water input elevation of the water output tube; and a box cover, disposed over an upper opening of the box body.

Abstract: An apparatus and method for removal of gas phase artifacts from engine exhaust undergoing evaluation for the presence of particulate matter as collected on a particulate matter filter. More specifically, the disclosure relates to an apparatus and method for removal of gas phase artifacts from engine exhaust being tested and prior to the exhaust reaching a particulate matter (PM) filter. Such removal provides that the PM filter indicates relatively more accurate evaluation of the particulate matter present.

Abstract: A gas separation unit for the separation of carbon dioxide from air is proposed for use in a cyclic adsorption/desorption process and using a loose particulate sorbent material. Sorbent material is arranged in at least two stacked layers, and each layer comprises two sheets of a flexible fabric material which is gas permeable but impermeable to the loose sorbent material. The sheets are arranged parallel defining an inlet face and an outlet face, are arranged with a distance in the range of 0.5-2.5 cm, and are enclosing a cavity in which the sorbent material is located. Said layers are arranged in the unit such that the inflow passes through the inlet face, subsequently through the particular sorbent material located in the cavity of the respective layer, subsequently to exit the layer through the outlet face to form the gas outflow.

Abstract: A filtering net, in particular for a rotary separator, has a plurality of cells, which are substantially equal to one another and are defined by the replication of a base cell along two transversal directions of replication; the base cell comprises at least one intermediate filament and a first and a second end filament, arranged on opposite sides of the intermediate filament; the intermediate filament and the end filaments extend along respective longitudinal axes which are parallel; cross-sectioning the base cell with any plane orthogonal to the longitudinal axes of the filaments and joining, on said plane, the trace of each longitudinal axis with the trace of the adjacent longitudinal axis by a respective straight line, the two straight lines are incident at the trace of the longitudinal axis of the intermediate filament and form an incidence angle of between approximately 90° and 160°.

Abstract: Filter media are described. The filter media may include multiple layers. In some embodiments, the filter media include a nanofiber layer adhered to another layer. In some embodiments, the layer to which the nanofiber layer is adhered is formed of multiple fiber types (e.g., fibers that give rise to structures having different air permeabilities and/or pressure drops). In some embodiments, the nanofiber layer is adhered to a single-phase or a multi-phase layer. In some embodiments, the nanofiber layer is manufactured from a meltblown process. The filter media may be designed to have advantageous properties including, in some cases, a high dust particle capture efficiency and/or a high dust holding capacity.

Abstract: An electrochemical cell system is configured to utilize an ionically conductive liquid flowing through a plurality of electrochemical cells. One or more hydrophilic filters for venting of gas from the cells are provided along a flow path for the ionically conductive liquid, so as to permit gasses that evolve in the ionically conductive liquid during charging or discharging to vent outside the cell system, while constraining the ionically conductive liquid within the flow path of the electrochemical cell system.

Abstract: A trap apparatus includes: a first cylindrical member including a space; a second cylindrical member removably disposed in the space and including side opening which allows a gas stream to flow in therethrough, and a downstream side opening which allows the gas stream flowing in from the upstream side opening to flow out therethrough; a downstream side trap member which is disposed inside the second cylindrical member to block the downstream side opening; and an upstream side trap member which is disposed between the downstream side trap member and the upstream side opening of the second cylindrical member and includes a concave portion recessed in a direction approaching the downstream side trap member.

Abstract: A filter cartridge assembly includes a first filter including a first cavity defined therein and a second filter coupled to the first filter. The second filter includes a second cavity defined therein in flow communication with first cavity. The filter cartridge assembly also includes at least one pre-filter extending about the first filter and the second filter such that a third cavity is defined between the at least one pre-filter and at least one of the first filter and the second filter.

Abstract: The invention relates to a filter module (1) for removing air-polluting materials from machine exhaust, comprising a filter housing (2) with an intake opening (5) and an outlet opening (6) for channeling machine exhaust through, at least one mounting element (24) for mounting the filter module (1) on a machine, and a filter assembly (7), arranged in the filter housing (2) and comprised of at least two filter groups (8), arranged in tandem in the direction of flow (3) and comprised of rod-shaped filter elements (10) with a filter medium (20), said elements being arranged parallel to one another at a constant center-to-center distance (9) and with their longitudinal axis largely crosswise to the direction of flow (3), wherein the filter elements (10) of two adjacent filter groups (8) are parallel to one another, and are arranged offset in relation to one another, crosswise to their longitudinal axes and to the direction of flow (3).

Abstract: The composite microporour filter material comprises a base-cloth layer, an upper adhesion layer attached to a top side of the base-cloth layer, and a lower adhesion layer attached to a bottom side of the base-cloth layer. The base-cloth layer is made of either polymide yarn base-cloth, polysulfoneamide yarn base-cloth, or polytetrafluoroethylene filament base-cloth. The upper adhesion layer is made of a mixture of polysulfoneamide short-staple and polymide short-staple; the lower adhesion layer is made of a pure polysulfoneamide short-staple. The upper adhesion layer and the lower adhesion layer are attached to two sides of the base-cloth layer by entangling which is adopted by needle punching, spunlacing or a combination thereof. The present filter material is temperature-resistant and corrosion-resistant and has features of a low manufacturing cost and the high filter precision.

Abstract: Multi-stage filtration apparatus is provided. A fluid is forced through different filter stage elements allowing for removal of various contaminants from the fluid.

Abstract: A unique, multi-cartridge, easily re-configurable ambient air filter assembly (air contaminant control system) that removes particulate and gaseous chemical/biological contaminants from the incoming cathode air stream on a fuel cell or similar devices is described. The filter assembly is composed of individual filter cartridges (sub-assemblies) of various filtration media that are targeted at removing specific airborne contaminants. Combining specific sets of cartridges enables the filter assembly to be readily/rapidly configured (and re-configured) for specific applications—such as urban, rural, industrial, or military battlefield environments. Selection of correct media ensures complete removal of potential contaminants, enables rapid re-configuration to different environments, quick replacement of spent cartridges without disposal of non-spent media (reducing waste and cost).

Abstract: A gas turbine air filter system includes a housing having an interior, an inlet arrangement, and an outlet hood having an outlet arrangement. The inlet arrangement defines an inlet flow face for taking in unfiltered air. The outlet arrangement defines an outlet flow face for exiting filtered air. The inlet flow face and the outlet flow face are angled relative to each other. The angle can range between 45-135° relative to each other. The system includes at least first and second stages of filter element arrangements held within the interior of the housing. The first and second stages of filter element arrangements are operably sealed within the housing such that air flowing through the inlet arrangement must pass through the first and second stages of filter element arrangements before exiting through the outlet arrangement. The outlet hood is free of the first and second stages of filter element arrangements.

Abstract: The two-stage air filter is formed of a nonwoven glass fiber first or inlet filter element and a second or outlet filter element formed of nonwoven fiber. The outlet filter element is preferably formed of either polyester material, or a blend of polyester and cotton fiber material. The first or inlet filter element is coarser than the second or outlet filter element, with the first element serving to capture larger particles while allowing smaller particles to pass therethrough to be captured by the finer second filter element. The two filter elements have a continuous and unbroken, homogeneous interface therebetween, with the attachment of the two filter elements with one another being solely at their mutual peripheries by a peripheral frame. Additional air freshening and cleaning, deodorizing, odor neutralizing, scent applying, fungicidal, bactericidal, and/or germicidal chemicals or materials may be applied to either or both filter elements.

Abstract: An air filter element is provided with an anti-crown support grid on a clean side of the filter media. The support grid includes one or more elongated mounting members provided along periphery portions of the grid and at least one support rib spanning between and secured at opposing ends to the mounting members. The mounting members are embedded within a peripheral seal frame. The support grid may include at least one alignment feature sized, configured and positioned to be receivable into a complimentary feature of a housing so as to positionally lock the filter element and the housing.

Abstract: A filter part for fluid lines, preferably high-pressure lines with pressures in the range of 150 to 900 bar, preferably in the range of 200 to 350 bar, more preferably in the range of 700 to 875 bar, for use especially in filling nipples, non-return valves, pressure regulators, cylinder valves, filling couplings, switching valves, break-off safety devices, quick couplings and also as a separate filter part. The filter part comprises a base body and at least one fluid passage opening, wherein the base body and the fluid passage opening are covered by at least one filter element. The invention further relates to a method for producing a filter part with a base body and a filter element, especially in form of a screen filter which is also known as a filter mesh.

Abstract: A particle capture unit adopted to be exposed to a space in which particles fly includes at least a first layer formed of a plurality of first fiber-like materials and a second layer formed of a plurality of second fiber-like materials. The first fiber-like materials are thinner than the second fiber-like materials and arrangement density of the first fiber-like materials in the first layer is higher than that of the second fiber-like materials in the second layer, the second layer is interposed between the first layer and the space, and the first and second layers are hardened and bonded together by sintering.

Abstract: Vacuum cleaner filters, in particular replaceable vacuum cleaner filters suitable for both wet and wet/dry type vacuum cleaners are disclosed, as well as vacuum cleaner systems incorporating the use of such filters, and methods for their use. The filters include a filter element arranged in a closed circumferential, cylindrically-shaped path, a top end cap having a central orifice capable of constricting a post on a vacuum filter cage, and optionally a molded end ring oppositely-spaced from the top end cap for engagement with the lower motor housing of a vacuum cleaner.

Abstract: Presented is a method and apparatus for treating an exhaust gas. A series of filters and conditioning units are used to separate and extract various substances from the exhaust gas, typically originating from an industrial process. In an exemplary embodiment, a cyclone filter, a ceramic filter, a baghouse filter, and a pair of gas conditioners are used to initially separate and extract iron-rich dust from an exhaust gas and then extract zinc from the gas.

Abstract: A mat includes a first main face and a second main face opposite to the first main face. At least two layers include a first layer occupying a first area from the first main face along a thickness direction of the mat. The first layer includes a first long fibrous substance which includes an inorganic fibrous substance. A second layer is adjacent to the first layer. The second layer includes a short fibrous substance which includes an inorganic fibrous substance and which has an average fiber length shorter than an average fiber length of the first long fibrous substance. An intertwined portion extends from the first main face to the second main face. The intertwined portion includes the first long fibrous substance and the short fibrous substance being more closely intertwined with each other than the inorganic fibrous substances in a portion except the intertwined portion.

Abstract: In order to provide an improved multistage oil separator, in particular for the use with compressors in cryogenics, the oil separator includes a housing (10) having a gas inlet (18) and a gas outlet (20), and at least two filter elements (26, 28) arranged as a cascade in the housing between the gas inlet (18) and the gas outlet (20).

Abstract: Described are multi-stage drum filtration systems including a primary rotary drum filter stage, at least one passive filter stage, and a main fan configured to create a vacuum on an inlet side of the primary rotary drum filter stage. The multi-stage drum filtration system may also include a HEPA filter stage. A controller may be configured to control a speed of the main fan to maintain an inlet vacuum to the primary rotary drum filter stage that corresponds to an inlet vacuum set point input.

Abstract: Sintered fiber filters are provided that can afford high particle capture efficiency and/or low pressure drop during operation, and are useful in applications such as semiconductor processing. The shape of at least a portion of the individual fibers (e.g., metal fibers) used to make the filter have a three-dimensional aspect, which allows for a low packing density and high porosity filtration media. Certain filters have a cylindrical or tube-like shape with tapered ends of higher density. Methods of making such filters, for example, using axial pressing, are also described.

Abstract: A filter including multiple tanks connected in series by connecting ducts. In the filter a flow of gaseous flows encounters multiple obstacles in it, an effect of which is efficiently to block constituents with heaviest molecular weight, without substantially hindering diffusion of lighter constituents. This may be obtained by internal baffles, or by a bank of finer ducts, for example at an inlet of the filter. Such a filter may find application to separation of hydrogen and radon produced by nuclear waste.

Abstract: The invention relates to a filter device for filtering a gas flow that is loaded with aerosols and/or gaseous radioactive iodine including a housing that is closed fluid tight, including at least one raw gas inlet, a clean gas outlet, at least one filter element including a filter medium, the filter element is arranged in the housing so that a gas flow to be filtered moves from the at least one raw gas inlet to the clean gas outlet only through the filter element, at least one tubular element penetrating the housing from a first pass-through cross-section to a second pass through cross-section which is arranged in vertical direction above the first pass through cross-section, so that an entire inner cavity of the tubular element is exclusively in contact with an ambient fluid surrounding the filter device.

Abstract: Described are multi-stage drum filtration systems including a primary rotary drum filter stage, at least one passive filter stage, and a main fan configured to create a vacuum on an inlet side of the primary rotary drum filter stage. The multi-stage drum filtration system may also include a HEPA filter stage. A controller may be configured to control a speed of the main fan to maintain an inlet vacuum to the primary rotary drum filter stage that corresponds to an inlet vacuum set point input.

Abstract: The present technology provides an air pre-treatment and monitoring device that includes an inlet port configured to receive an air flow and an outlet port configured to expel the air flow. The illustrative air pre-treatment device further includes a multiple-stage filter arranged between the inlet and outlet ports and that is configured to filter particles from the air flow.

Abstract: An exhaust treatment system includes an emissions treatment device for treating exhaust emitted from an internal combustion engine. The exhaust treatment system includes a frame adapted to support first and second spaced apart portions of the exhaust treatment system. The emissions treatment device interconnects the first and second portions and is in receipt of exhaust from the first portion and provides treated exhaust to the second portion. A first bracket is fixed to the frame and includes one of a protrusion and a receptacle. A second bracket is adapted to be fixed to the emissions treatment device and includes the other of the protrusion and the receptacle. The protrusion is positioned within the receptacle when the emissions treatment device is properly positioned. The protrusion interferes with one of the second bracket and the emissions treatment device to preclude assembly when the emissions treatment device is improperly positioned.

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: The present invention provides a hot-trap device (1) comprising an enclosure (2) with at least one inlet (3), at least one outlet (5) at least one heating means (7) and at least one collector means (10) for the conversion of reaction by-products into products, wherein the collector means is arranged within the enclosure between the inlet and the outlet has a diameter that substantially matches the diameter of the enclosure and has at least one opening (18).

Abstract: The present invention relates to a filter unit for cleaning fluids, filter systems comprised of a plurality of said filter units, and the use of the filter unit or of the filter systems for filtering sludge and floating algae from water, or for purifying gases.

Abstract: A system for conditioning air flow to a gas turbine includes a filter housing and a conditioning media inside the filter housing to adjust the temperature of the air flowing through the filter housing. At least one of a depth or a density of the conditioning media varies across the filter housing. A method for conditioning air flow to a gas turbine includes flowing air through a filter housing connected to the gas turbine and flowing the air across a conditioning media in the filter housing. The method further includes conditioning the air flow to reduce the temperature difference of the air exiting the filter housing across a dimension of the filter housing.

Abstract: A deep bed scrubber filter section comprises includes an unfiltered air input end, a filtered air output end, an airflow filtration path extending from the unfiltered air input end to the filtered air output end, a plurality of media beds along the airflow filtration path in series arrangement with one another, the media beds each having a media bed volume and each being defined by a plurality of sidewalls, two of the sidewalls of each of the media beds being perforated sidewalls at least partially intersecting the airflow filtration path, wherein an adjustable sidewall of at least one of the perforated sidewalls of a first media bed of the media beds is independently removable from the airflow filtration path and is independently adjustable to a plurality of positions along the airflow filtration path, wherein adjustment of the at least one adjustable sidewall of the first media bed alters the media bed volume of the first media bed.

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: Various examples of the inventive subject matter include a method and corresponding system for fabricating a combination paint arrestance filter for use in the painting industry. Embodiments of the system include a single-stage combination filter having a number of first layer media pockets and a number of second layer media pockets arranged downstream of the first layer pockets. An opening of each of the first layer media pockets is arranged in parallel with one another to receive an incoming airflow into the single-stage combination filter. Each of the second layer media pockets is at least 99.97% efficient at removing 0.3 micron and larger particles at a face velocity on the filter of about 37 meters per minute.

Abstract: This invention relates to hovering vacuum cleaners and components therefor. Specifically improvements to the filtering system and air handling capabilities of the vacuum cleaner are disclosed.

Abstract: A moisture diversion system for a gas turbine inlet. The moisture diversion system comprises a housing that is operably connected with a gas turbine and defines an opening through which air flows to the gas turbine. A hood is attached to the housing adjacent the opening. The hood has a surface disposed at an acute angle relative to horizontal. A device is disposed relative to the hood to separate moisture from air flowing through the device. Separated moisture is directed onto the hood. A gutter is disposed adjacent an edge of the hood to collect moisture from the hood. A conduit is fluidly connected with the gutter to conduct water away from the gutter and the opening in the housing to inhibit separated moisture from re-entering the air flow through the opening to the gas turbine.

Abstract: A filter assembly including a rectangular inlet frame having a rectangular inlet opening to receive a primary filter and optional a prefilter. The filter assembly may include a rectangular outlet frame and a housing body that is collapsible to have a flattened shipping state and an erect state. The rectangular inlet frame may also be used as a housing by itself to support and house primary filters and prefilters. A gridwork including one or more grid dividers may be used in the rectangular inlet frame to provide 2 or more openings for receipt of filters.

Abstract: An extended life filter element is provided that may at least double the service interval of a given filtration application utilizing the same or similar filter housing envelope provided. The filter element may include a more open pleated substrate with an efficiency layer and a prefilter on the upstream surface. The filter may be a foam sleeve. One exemplary application is for air filtration of air flow to electrical cabinets on locomotives.

Abstract: Apparatus for treating materials, the apparatus including a main body which includes an elongated retort section having a primary treatment chamber therein, a feed inlet at an upstream end of the retort section and a discharge outlet at a downstream end of the retort section. The main body further includes a filtering section with a filtering chamber therein which is in communication with the primary treatment chamber, the filtering chamber being disposed laterally with respect to a longitudinal axis of the retort section which extends between the ends of the retort section and is spaced from the upstream end.