Abstract: The invention relates to separator for separating gas bubbles and/or particles from a liquid. The separator comprises a collection chamber, a fluid inlet, a fluid outlet, and a first fluid flow path extending from the fluid inlet through the collection chamber to the fluid outlet. The separator includes at least one separating element arranged for separating gas bubbles from the liquid arranged in the first fluid flow path. The separator further includes at least one plate arranged in the collection chamber such that the plate defines a passage forming a second fluid flow path at least partially bypassing the separating element.

Abstract: A fluid treatment apparatus including a photocatalyst filter having a first surface and a second surface, a light source unit spaced apart from the photocatalyst filter to provide light to the first surface, a housing including an inlet, an outlet, and a flow path formed between the photocatalyst filter and the light source, and a guide member disposed at one side of the housing and including at least one slat to guide a movement direction of a fluid, in which the slat is inclined at least in a direction closer to the first surface of the photocatalyst filter along an advancing direction of the flow path when an air flow rate of the fluid has a first value, and in a direction away from the first surface of the photocatalyst filter along the advancing direction when the air flow rate of the fluid is greater than the first value.

Abstract: An electrical connection assembly between a movable object and a fixed installation, the assembly including the following elements of substantially cylindrical shape, centered around a vertical axis and going downwards: a windlass using a chain to move a rod along the axis; an outlet receiving a plurality of connections and provided with a hawse pipe in which the rod can engage with small clearance; a connector provided with a top endplate receiving, facing the connections of the outlet, the complementary connections; a turnable lid protecting the connections; a guide and locking system for guiding and locking the rod; and having its bottom portion of conical shape; a rod passing downwards in succession through the hawse pipe of the outlet, then the lid, in order to reach a locking system for locking with the connector; and a basket of funnel-shape, with its large opening upwards, its shape being complementary to the bottom portion of the connector, and centering the connector on the axis.

Abstract: An engine crankcase breather for oil segregation, from blow-by gases, in an engine. The engine crankcase breather includes a housing with an inlet located in a downstream direction of the blow-by gases and an outlet. The breather also includes a baffle within the housing which poses a tortuous path for the blow-by gases, in order to segregate oil particles from the blow-by gases. The baffle includes a hook-shaped portion, in which the oil segregation takes place. The engine crankcase breather further includes a trough extending within the housing. The trough is aligned with the hook-shaped portion of the baffle, to collect the segregated oil from the blow-by gases.

Abstract: An exhaust particulate filter for an engine system includes an array of filter cartridges positioned within a shell, each of the cartridges having an electrically powered heating element coupled therewith. Exhaust gases are distributed among the cartridges according to a single distribution pattern, and the filter can be regenerated without diverting, dividing or bypassing exhaust gases from the filter. Other aspects include feedback control and feedforward control of regeneration based on sensing an electrical resistance property of each of the electrically powered heating elements.

Abstract: An adsorption dryer includes a pressure vessel containing the drying agent in a cylindrical chamber, which is in the form of a cylindrical tubing section. The pressure vessel is axially clamped between a bottom and a top distributor plate. In the cylindrical chamber of the pressure vessel, the drying agent is enclosed between a bottom piston and a top piston. The two pistons are radically sealed against the inside of the wall of the pressure vessel. Tongue and groove connections between the wall of the pressure vessel and the piston can hold the pistons axially. The bottom and top distributor plates are clamped with the pistons by means of threaded bolts. The tongue and groove connection between the piston and the pressure vessel and the bolt connection of the distributor plates with the pistons ensure comparatively low cost of production and assembly.

Abstract: A filter comprising a hollow frame comprising a first face, a second face and an interior passageway extending therebetween; a first screen extending across the passageway at the first face; a first partial-depth, open-cell stabilizer extending across and into the passageway, wherein the stabilizer comprises a matrix formed by a plurality of walls defining a plurality of open cells therebetween, a second screen extending across the passageway at the second face; a second partial-depth, open-cell stabilizer extending across and into the passageway, wherein the stabilizer comprises a matrix formed by a plurality of walls defining a plurality of open cells therebetween; and granular filter materials tightly packed within the passageway, between the first screen and the second screen.

Abstract: A filter assembly for fuel is disclosed. The assembly includes a housing and a filter element located in the housing and held in place by a spring. In the space between the inner wall of the housing and the base of the filter element a compressibly resilient element is located which absorbs hydraulic pulses, the filter assembly is subjected to.

Abstract: An axial flow filter element having alternating flat and pleated layers of fluid permeable filter media which form channels with an open cross section, one end of a first group of channels and the other end of a second group of channels being tightly sealed such that fluid being filtered must pass through one of the filter layers to pass through the filter element, a peripheral seal for sealing the inflow side of the filter from the outflow side in a housing, and a support body arranged in the filter element surrounded by the channels and extending axially at least to one end face of the filter element; at least one end face of the filter element having a spacer for maintaining the end face at a distance from a supporting surface on which the filter element may be placed during handling to prevent direct contact between the end face and the supporting surface.

Abstract: Conformal filter cartridges, filtering apparatus using the conformal filter cartridges, and methods of manufacturing the conformal filter cartridges are disclosed. The conformal filter cartridges may include a bed of filter material between a pair of support plates, wherein the major surfaces of the support plates facing the bed of filter material are each curved about at least one axis. The curvature imparted by the support plates provides the conformal configuration to the filter cartridge. The bed of filter material may be loose particulate filter material that may be retained under residual compression between the support plates within the filter cartridge.

Abstract: An exhaust aftertreatment filter has a pre-stressed layer bonded to the filter body at the outer periphery and compressively axially pre-stressed in an opposite axial direction to separational axial tensile stress to counteract the latter during regenerative heating, to minimize separational fracture and cracking.

Abstract: There is provided in a standard ceiling system, having suspension rails or elements a movable air delivery diffuser resting on the suspension elements and a filter panel inserted into and retained between the suspension elements and the air delivery diffuser. The filter panel has a filter frame and an attached filter designed to be inserted into and retained on the suspension elements of the suspension ceiling. The filter frame has an inner face and an outer face with a filter media retained in the filter frame. The outer edges of the filter media are located and retained adjacent the filter frame inner face. The filter frame outer face has a flexible perimeter flange projecting outwardly from an uppermost portion of the filter frame outer face. This flexible perimeter flange can bend inwardly so as to be substantially flush with said frame outer face and can then flex back outward to engage the suspension elements.

Abstract: A filter cartridge assembly including a replendam that combines a particulate filter with an irregular shaped gas sorbent bed. Best operational practice requires that the air passing through the filter be distributed uniformly over the sorbent bed. The repledam directs the air over the surface of the larger sorbent bed utilizing vane-like structures extending from the reticulated member providing for uniform distribution.

Abstract: A filter assembly for collecting material that is entrained in a gas stream includes a housing for a filter element. The housing has first and second ends with an inlet and an outlet at the first end for the gas that is to be filtered, and a support surface on its internal wall at a point towards its second end. The assembly includes a tubular filter element arranged within the housing for the gas stream to flow through its wall between the inlet and the outlet. The element is located in the housing by way of a support which extends between the filter element at or towards its end and the support surface on the internal side wall of the housing on which the support rests.

Abstract: System for restraining the upward motion of granular material in a vessel containing a bed of the granular material through which a fluid flows in an upward direction. The system comprises flexible porous basket within the vessel in contact with the top of the bed of granular material and in contact with the inner walls of the vessel above the bed of granular material, wherein the porous basket has openings which are smaller than the smallest particles of the granular material such that granular material does not pass through the openings. The system also includes a layer of solid bodies located within the flexible porous basket wherein the solid bodies press the flexible porous basket against the top of the bed of granular material and against the inner walls of the cylindrical vessel above the bed of granular material.

Abstract: A filter assembly for collecting material that is entrained in a gas stream includes a housing for a filter element. The housing has first and second ends with an inlet and an outlet at the first end for the gas that is to be filtered, and a support surface on its internal wall at a point towards its second end. The assembly includes a tubular filter element arranged within the housing for the gas stream to flow through its wall between the inlet and the outlet. The element is located in the housing by way of a support which extends between the filter element at or towards its end and the support surface on the internal side wall of the housing on which the support rests.

Abstract: A filter assembly for collecting material that is entrained in a gas stream includes a housing for a tubular filter element. The housing has first and second ends with an inlet and an outlet at the first end for the gas that is to be filtered, and a support surface on its internal wall at a point towards its second end. The assembly includes a tubular filter element arranged within the housing for the gas stream to flow through its wall between the inlet and the outlet. The element is located in the housing by means of a support which extends between the filter element at or towards its end and the support surface on the internal side wall of the housing on which the support rests.

Abstract: A filter assembly for collecting material that is entrained in a gas stream includes a housing having inlet and outlet ports for the gas that is to be filtered. The housing includes an end cap in which at least one of the ports is provided, and a body section in which a tubular filter can be located arranged for the gas stream to flow through its wall provided by a filter medium, the end cap and the body section being separable to allow access to the inside of the housing. A tubular member, which might be a filter element or a conduit for directing a flow of gas to a filter element, can be sealingly connected to the end cap in fluid communication with one of the ports therein. The tubular member includes a tang which can be received in a recess in the housing when the tubular member and the housing end cap are properly assembled.

Abstract: An adsorbent unit assembly including a holder, an elongated member on the holder, an enlarged portion at the end of the elongated member, a cylindrical adsorbent unit having an opening therein for receiving the elongated member, and a grid mounted on the elongated member on the opposite side of the adsorbent unit from the enlarged portion. The foregoing adsorbent unit assembly is mounted within the housing of a receiver dryer by compressing one or more adsorbent units on the elongated member between the grid and the enlarged portion so as to cause the outer sides of the adsorbent units to bear against the inside surface of the housing while the grid also provides an interference fit with the housing.

Abstract: A filter device has a frame, a grid, a filter medium and, if desired, a gas adsorption medium. The frame is flexible so as to be temporarily deformable and is made of polypropylene, as is the grid. The filter medium is a mat of non-woven material and the gas adsorption medium is activated carbon.

Abstract: An adsorption bed arrangement includes a plurality of adsorption elements, a housing, and a gasket member. Each of the adsorption elements has adsorption media contained within a respective element. Each of the adsorption elements are selectively openable to provide access to the adsorption media. The housing defines an interior, a plurality of inlet openings, and a plurality of outlet openings. The plurality of adsorption elements are positioned within the housing interior. The housing is selectively openable to provide access to the plurality of adsorption elements. The gasket member is between the housing and the adsorption elements. A method for changing filtering media in an adsorption apparatus includes steps of removing an access panel from an adsorption bed housing to expose a cover member covering an end of an adsorption element; removing the cover member from the end of the adsorption element to expose filtering media within the element; and pouring the filtering media from the element.

Abstract: A filter arrangement with a cellular structure in which a plurality of filter chambers extend in the direction of the medium to be filtered. There is a filter cloth or fabric attached to each of the two sides of a cell frame which closes the filter chambers on both sides. The filter chambers are each provided with a filling of predominantly active charcoal granules. To achieve a simple and advantageous structure of the filter arrangement, the cellular structure is in the form of a rectangular cell frame each with rectangular filter chambers, preferably made of synthetic resin. Appropriate, right-angled partition walls inside the cell frame and the installation of reinforcement members can result in filter chambers of optimum size.

Abstract: A filter assembly is provided which includes a casing having an inner surface defining a fluid passage, a fluid inlet and a fluid outlet; a filter pack disposed in the fluid passage for filtering a fluid passed therethrough; and a flexible seal positioned between the filter pack and the inner surface of the casing for sealing the filter pack in the fluid passage to prevent flow of fluid between the filter pack and the inner surface and for allowing movement of the filter pack relative to the casing. One or two face screens may be positioned over the inlet and outlet, and the casing and screens are assembled without conventional fasteners or welding.

Abstract: A gas filter comprising a tube open at one end for insertion of the element and a threadedly connectectable end cap for closing the housing are disclosed. Attached to the end cap and also to the opposite end of the housing are receptacles for receiving the ends of the filter therebetween. The receptacles are faced with a resilient seal to make the connection between the receptacle and the filter air-tight as the end cap is tightened. After effecting the seal at both ends of the filter, a pair of hollow hypodermic needles pierce membranes that closed off the ends of the filter. The other ends of the needles extend out of the housing at both ends allowing the connection of an inlet and outlet gas hose thereby establishing fluid communication between the hoses and permit gas to flow through the filter for cleansing. Two embodiments are disclosed.

Abstract: A multi-stage filter assembly having a number of filter media layers, at least one of which is removably mounted to a filter frame, utilizes a retaining clip to hold the filter media in place. The retaining clip is in the form of an elongated strip that extends across the filter media and has its ends disposed within channels formed in the frame. The elongated strip is provided with a centrally located bend that causes the ends of the clip to be urged upwardly into engagement with the framework and causes a portion of the clip to be urged downwardly into engagement with the filter media.

Abstract: A monolith can be mounted in a catalytic converter by a material containing intumescent vermiculite flakes that have a uniform content of chemically bound water from about 1.0 to 3.2% by weight and a uniform bulk density from about 0.2 to 0.9 g/cm.sup.3. Such a mounting affords good support to the monolith at warm-up temperatures, exerts adequate holding forces at operating temperatures without danger of cracking the monolith, and does not incur gradual reduction in holding forces at operating temperatures.

Abstract: A closet drier including a container having an upper portion and a lower portion divided by a normally stretched elastic diaphragm having perforations therein and retaining deliquescent material in the upper portion of the container, a membrane at the top of the container for permitting only water-vapor, but not liquid water, to pass therethrough into the deliquescent material which forms a solution with the deliquescent material which passes through the perforations into the lower portion of the container, the elastic diaphragm contracting as the deliquescent material is consumed so that the space previously occupied by the deliquescent material can be occupied by the resulting solution, and the perforations in the elastic diaphragm also contracting as the elastic diaphragm contracts to reduce the ability of liquid from underneath the diaphragm in the container from passing therethrough.

Abstract: The present invention relates to a filter unit having a sheet of filtering material mounted on a first frame and a second frame received within and below the first frame. The second frame is configured such that the filtering material is tightly held between the first and second frames and the filtering material is stretched by the second frame. In accordance with one of the aspects of the present invention, the second frame is provided with ear members. The ear members are sized such that the ears penetrate the filtering material and hold the first frame tightly between the ear members. The ear members reinforce the first frame by the second frame, through a mechanical interconnection of the frames and also, prevent slippage of the filtering material.

Abstract: A valve assembly (B) cycles compressed gas from a compressor (A) to a pair of molecular sieve beds (C) to perform a pressure swing adsorption gas separation cycle. Each bed includes a peripheral outer wall (20) and has a tubular member (30) extending down a central axis thereof. An extensible sleeve (26) surrounds the central tube and is in fluid communication therewith by way of an aperture (32). A fluid amplifier (F) amplifies fluid pressure from system gases, particularly the gases from the compressor, and uses the amplified pressure to expand the extensible sleeve. Particles (22) of zeolite material are inhibited from becoming fluidized and moving with fluid flows by the clamping pressure between the extensible sleeve and the peripheral wall of the bed.

Abstract: A filter device having a plurality of filter elements and at least one flexible joint connecting the filter elements to each other. The filter elements are made of a substantially inflexible material and have connecting surfaces in parallel with a direction of air flowing through a passage in which the filter device is provided. One end of the flexible joint is connected to the connecting surface of one of the filter elements, and the other end of the flexible joint is connected to the connecting surface of the filter element adjacent thereto.

Abstract: An improved method is disclosed for coupling membrane elements of a fluid separation module in series. The improvement comprises providing flexible coupling members having two open ends and a passage between said ends; and securing the first end of a coupling member to the residual end of each membrane element (with the optional exception of the last in the series) and securing the second end of the coupling member to the feed end of the next membrane element in the series if any. Fluid from the residual end of each membrane element except the last may thus be directed to the feed end of the next membrane element. An improved fluid separation module employing such couplings is disclosed; as is an improved membrane element having a coupling member secured thereto.

Abstract: A filter cartridge incorporates a layer of granular material (4d) for adsorbing gases and/or vapors retained in position by porous retaining elements (4e, 4f, 4g). The cartridge includes a housing (2) and a closure element (3) for closing the housing. The closure element (3) is associated with a compression element (10) which during assembly of the closure (3) on the housing (2) acts against the retaining elements (4e, 4f, 4g) to compress the granular material (4).

Abstract: An exhaust gas purifier of the type wherein a catalytic body is elastically supported within a metal casing. This is achieved by at least partly filling a space between the catalytic body and the metal casing with a dampening member comprising one or more wire blocks. The wire is preformed of a screw shape and that preformed wire is wound into the shape of the block. This block is stretched to elastically fit over the body, and the block is compressed between the body and the casing.

Abstract: A moisture absorbent is sealed between an elastic material and a moisture-permeable film to thereby provide a dehumidifying material having an elastic layer or bed therein. The dehumidifying material may be used in the fields of packing articles such as precision machines and dehydrated food and of dehumidification of beds, cushions, seat covers, lockers and the like.

Abstract: Disclosed is an air filter apparatus having a separator chamber formed by a housing in which a barrier type filter element is mounted to an annular backflushing air reservoir or manifold having a bore therethrough on a unitary support member which may be removed from the housing through the manifold bore. Reverse flow filter element flushing air discharge heads are mounted to the manifold and disposed over the filter element clean air discharge chambers and are movable away from the manifold bore so that the filter element may be inserted into and removed from the separator chamber. The filter element support member is secured to the manifold by pins which support a flange for movement relative to the housing to relieve pressure differentials across the filter element to prevent rupture of the element or minimize the hazard of failures elsewhere in the filter system.

Abstract: Filter for treating a gas such as the exhaust gas stream from a diesel engine, which exhaust gas often conveys carbon particles into the atmosphere. The treating filter comprises a casing holding a plurality of serially arranged filter beds. The latter are comprised of monolith ceramic discs, and are maintained in spaced apart relationship by spacer rings to define a turbulation chamber between adjacent beds. Said beds are provided with an oxidation catalyst to promote incineration of the retained particles. The beds further serve to reinforce and support a non-rigid filtering media contained within the respective chambers.

Abstract: The invention relates to a method of and apparatus for separating liquid from solids entrained therein, which solids, preferably paint particles emanating from a paint spray booth are capable of floating on the liquid. The liquid and solids are entrained in a collector which is open to atmosphere and in which a Coanda - type flow prevails so that the solids are collected as a skin on the surface of the liquid. In one embodiment the level of the liquid is raised so that the skin slips over a lip and out of the collector, leaving the liquid behind; in another embodiment the skin is collected behind a restraining device which is moved to allow the skin to flow through an outlet therefor, again leaving the liquid behind.

Abstract: A soft, flexible cover which is adapted to be attached over the open top of a container has a transparent section for viewing the contents of a container with which the cover is used, a filter section for removing entrained matter from air entering the container, and a tubular section for sealable attachment to a suction tube extending therethrough into the container.

Abstract: An upwash, upflow or downflow, graded sand bed dust collector has a reusable imperforate or slightly porous diaphragm on the top of the graded filter media and an inlet for pressurized gas above the diaphragm for inflating the diaphragm against the media during dust removal stage. The dust collector housing can be flared upwardly and outwardly at selected portions to reduce the velocity of upflowing gas during wash stage for improved grading of the filter media. A natural foraminous layer may be self-grading at the top of the filter media, allowing a circumferential or side outlet for filtrate. A layer of fine, dense filter media may also be used to increase the size range of media particles in the dust collector. Special diaphragms may be composed of individual leaflets that rise above the filter media but not to the level of the gas exit during the wash stage, and which settle on top of the filter media during the filter stage.

Abstract: A damping tube-shaped bypass measurement section with protective maintenance features and continuous flow velocity scanning on absorptive filtration units in the nuclear engineering field is disclosed. The bypass measurement section comprises a tube-shaped bypass measurement section, having single or double elements, for absorption filters, featuring at least one shut-off device, and including an absorption layer thickness connected to the main filtration unit which is to be controlled or monitored, and provides for an equivalent absorption layer thickness.

Abstract: An improved gas-liquid scrubber utilizing resilient and flexible perforated transverse grid members has the ability to flex and fracture off any excessive solids buildup that may occur in certain scrubbing operations. For example, high tensile strength, thick rubber screen material can be utilized. Also, certain thermoplastic olefin rubber materials or the styrene-butadiene-based thermoplastic elastomers may be suitable flexible grid materials.

Abstract: A perforated floor panel for use in the construction of a floor for a "clean room" having a return air system, and the like, which provides a controlled constant balanced pressure drop across the floor and a roughing filtration of air passing through it, the floor panel comprising a perforated floor pan, a balancing pad, and a balancing pad retainer which holds the balancing pad in position against the bottom surface of the floor pan.