Abstract: A filter for removing at least one hydrocarbon from water is disclosed where the active filter medium is fibrous peat which has been dried to a water content of 5 wt. % or less. A process for removing at least one hydrocarbon from contaminated water involves contacting the contaminated water with peat as described above. A filter assembly is also disclosed where at least two of the filters as described above are connected in series.

Abstract: Method and device for protecting against chemical spills due to breakage of disk filters use to filter chemicals comprising (A) a base having an upper surface with at least one vial well or groove adapted to allow sample vials to be inserted and to support said vials during a filter operation, said base having a front vertical shield portion at least as high as the top of the sample vials when said vials are inserted; (B) a rack having a rear side with at least one slot, each of said slots adapted to slidably engage the disk filter portion of a filter syringe apparatus and to prevent said disk filter from bursting during a filter operation, each of said slots positioned in said rack so that when said rack is fit on said base, every male portion of every disk filter which is engaged in one of said slots fits in a corresponding sample vial inserted in the corresponding vial well or groove.

Abstract: A disk-type filter comprising a housing having an inlet connectable to an upstream pipe and an outlet connectable to a downstream pipe and a stack of filter units disposed within the housing for separating solid particles from a fluid flowing between filter units in the stack of filter units from an upstream side of the stack of filter units to a downstream side thereof, characterized in that the stack of filter units includes a plurality of co-operating filter units defining a plurality of paired co-operating filter surfaces, including first and second surfaces each defining a plurality of fingers, the fingers defined by the first surface being arranged in registration with the fingers defined by the second surface, the exteriors of the fingers defined by the first and second surfaces communicating with either one of an upstream side and a downstream side and the interiors of the fingers communicating with the other one of the upstream side or downstream side, spaces being defined in association with the fin

Abstract: A filter support fits inside a disposable coffee filter within the filter basket of an automatic drip coffee maker to prevent the side walls of the coffee filter from collapsing while coffee is being brewed. The filter support includes a base frame which rests on the bottom of the coffee filter, and a plurality of retaining members extending upwardly from the base frame for engaging the side walls of the coffee filter. The base frame includes first and second sets of horizontally extending cross members disposed at an angle to one another such that the cross members of each set intersect and join the cross members of the other set. The retaining members extend upwardly from the ends of the cross members and terminate in a free upper end. The cross members may include a downwardly extending portion which forms a leg to support the cross members in vertical spaced relation with respect to the bottom of the coffee filter.

Abstract: This invention relates to apparatus for removing contaminants from a liquid. The contaminants may be solid particles and/or a second liquid immiscible with but finely dispersed in the first liquid.More particularly, the invention relates to a filter coalescer cartridge for removing contaminants from a liquid which comprises:(a) a first support at one end of the cartridge,(b) a second end support tending towards the other end of the cartridge,(c) a filter coalescer element comprising a plurality of aligned fibers or bundles of fibers, each fiber or bundle being secured at one end to one end support and at the other end to the other end support, and(d) a drive mechanism for relatively rotating and moving the end supports towards and away from each other to twist and compress and straighten and extend respectively the filter coalescer element.The cartridge gives good performance and is easily regenerated.

Abstract: A filter cartridge for use in a fluid filtering system, constructed to induce rotational flow in the unfiltered fluid, includes a pleated filter sleeve in which the individual sleeves are slanted relative to the sleeve circumference in a direction opposite to the direction of the rotational flow fluid. The slanted pleats can be constructed by creasing a sheet of filter media at alternatingly shorter and longer widths to form pleats having relatively shorter front legs and relatively longer back legs. The shorter front legs bias the pleats in the counter-rotational direction. Apparatus for manufacturing the pleated sleeve includes a pleater roll having pleater wires spaced to form the alternatingly shorter and longer pleat widths.

Abstract: A coreless filter cartridge, and apparatus for adapting a filter housing to support such coreless filter cartridges. A coreless filter cartridge has an elongate array of filtering material which defines an interior cavity. The array is surrounded by a sheath of perforated paper. The ends of the array and sheath are embedded into polyurethane end-caps. The filter housing is adapted to accept coreless filter cartridges by adding a rigid, perforated standpipe that uses a bushing to fit over a housing fluid egress spud. The coreless filter cartridge is placed over the standpipe and secured in place by a retaining spider or by the housing cover, which exerts bias via a compression spring and compression cup. Gaskets on each end-cap prevent fluid by-pass and a stand-off cup is located near the base of the standpipe to provide a surface against which the end-cap gasket can seat.

Abstract: This invention solves the problem of disposal of used coffee membrane filters and wet coffee grounds neatly with decreased probabilities of spilling coffee grounds on the floor, table or dumping them loose in a trash container. Thus, several embodiments provide different ways to close and secure the open top of the filter membrane after insertion of coffee grounds into the filter for making coffee, thereby to provide a closed unit that can be disposed of without spilling the beans. Thus, drawstrings or adhesive tabs may be provided in the rim of the filters for closure, or additional flaps or cover sheets may be attached to the rim of the filter to close the open filter mouth.

Abstract: This disclosure illustrates a replaceable filter assembly for fluids in which the filter has a shell formed from an injection molded threaded end and an integral blow molded closed end to form a unitary shell. A seal such as a flange is provided adjacent to the threaded end so that a pressure seal can be maintained. A filter medium is supported within the shell so as to direct fluid flow through it to remove contaminants. The shell can be formed from plastic materials such as polyester terephthalate (PET), polyether sulfone (PES), and polyether urethane (PEU). This construction enables an inexpensive filter assembly and, with transparent plastic materials, an indication of the contaminant removal activity within the filter.

Abstract: A pollutant emission control system including a centrifugal separator having blades capable of causing sufficient centrifugal force to remove large pollutant particles, and a pressurized deposit container including an annular container with cleaning fluid serving as a vaporizing passageway, permitting gaseous pollutants to mix with a liquid cleaning agent by means of turbulence and Henry's law generated in said annual container with the result that polluted particles deposited in the cleaning liquid, and liquid membranes having a porous sponge body with a high density of pockets capable of further filtering the pollutant particles in the vaporized emission, and, finally a demisting device with a humidity/odor removing system having an activated carbon sponge bag used to further remove fine pollutant and odorous particles.

Abstract: A regenerable deep bed filter element provided as a closed system, in the case of which a deep bed filter (21), disposed inside at least one hollow-cylindrical chamber (17), if formed by a bulk material filling of regenerable, filtration-active substances of a particulate and/or fibrous structure. The hollow-cylindrical chamber can be flowed through radially by means of porous inner and outer peripheral walls (18, 19). The deep bed filter can be regenerated by flushing back with water, steam or chemical cleansing agents, during which the filtration-active substances remain inside the chamber (17).

Abstract: A filter apparatus for use in filtering a fluid is provided. The filter apparatus has a plug-in, quick-connect cartridge. The filter apparatus has walls forming a first chamber and a second chamber. The filter apparatus also has a diaphragm having a first surface and having a second surface for separating the chambers. The diaphragm has an aperture with an inner surface for receiving the cartridge. The cartridge has a connector member for attachment to the diaphragm, and has a filter member for filtering the fluid passing between the chambers. The first and second chambers have respective inlet and outlet ports. The connector member has an upset portion which bears against the diaphragm first surface. The connector member also has an extended portion, which extends through the aperture. The extended portion has a groove, which has a snap locking ring that bears against the diaphragm second surface.

Abstract: An apparatus and method is disclosed for an apparatus for removing granular material and debris from a basin of a body of water. The apparatus comprises a first pump having an input port for collecting granular material, debris and water from of the basin. A conduit conducts the removed granular material, debris and water from the basin to a mobile reservoir. An Archimedean screw conveyor extends angularly relative to the mobile reservoir for conveying the granular material, debris and water away from the mobile reservoir and for separating the granular material and debris from the water. A second pump discharges the water from the mobile reservoir back into the basin.

Abstract: A water filter comprising a hollow cylindrical base, a filter assembly fastened in said base at the top which is comprised of an inner filter tube covered with a braided outer filter tube, a cylindrical casing covered on said filter assembly and attached to said base at the top, a ater outlet pipe connected to said base at the bottom, a water intake pipe and a drain pipe respective connected to said base, a plunger fastened in a cylindrical hole inside said base and rotated by a lever, wherein said plunger has a plurality of water passage holes alternatively rotated by said lever to let an intake flow of water from said water intake pipe: (a) flow toward said water outlet pipe directly; (b) flow through said filter assembly to said water outlet pipe (c) flow through the space between said inner filter tube and said outer filter tube and then, penetrate through said outer filter tube toward said drain pipe; (d) flow into the space between said outer filter tube and said cylindrical casing and penetrate through

Abstract: A drum filter is characterized in that its filtrate compartments (20) comprise a bottom part (28,30) and a side surface (32), which is provided with a lip or curved portion (34) extending towards the inside of the compartment (20) from the edge of the side surface opposite the bottom part. The lip (34) prevents the filtrate from escaping from the compartment (20) back through the wire surface, when the drum filter (20) is rotated.

Abstract: A filter element generally indicated at 10 comprising a spring 11 whose coils are so formed that the filter gaps 12 progressively increase in size from one end 13 of the coil to the other end 14. The increase in the size of the gaps is carefully chosen so that the available deflection for any coil section, when the spring is vertically orientated, is sufficient to develop an upward force which can support the coils in the spring 11 which extend above that particular coil section. Similar results can be achieved by varying the resilience or stiffness characteristics through the filter element.

Abstract: The disclosure describes a filter device which comprises at least an outer and an inner hollow filter element, each having first and second ends. A first end cap is sealed to the first end of the inner filter element. A second end cap is sealed to the second ends of the outer and inner filter elements wherein the inner filter element is disposed inside and spaced from the outer filter element. The inner filter element can be tapered and can be shorter than the outer filter element. The filter device may further comprise additional filter elements.

Abstract: An improvement in an apparatus for separating fluids or non-biotechnological products in solution, wherein said apparatus has a fibrous element which permits flow of fluids therethrough the improvement wherein the fibrous element is composed of non-flammable irreversibly heat set non-graphitic carbonaceous fibers having an LOI greater than 40.

Abstract: A filter for removing at least one hydrocarbon from water is disclosed where the active filter medium is fibrous peat which has been dried to a water content of 5 wt.% or less. A process for removing at least one hydrocarbon from contaminated water involves contacting the contaminated water with peat as described above. A filter assembly is also disclosed where at least two of the filters as described above are connected in series.

Abstract: A filter device for use in a residential water supply system, or the like. The device includes a container having an enclosed cavity, and includes a filter unit disposed in the cavity. The device includes a two-stage filter having a first radial flow filter subassembly and a second axial flow filter subassembly.