With Repair Or Assembling Means Patents (Class 210/230)
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Patent number: 11285410Abstract: A filtration system (1) has a filtration unit (2) with at least one filter element (4) for filtration of a fluid. The at least one filter element (4) has a main flow direction (C) for the fluid. The filtration unit (2) is configured to tilt the at least one filter element (4) around a tilting axis (B) to change an orientation of the main flow direction (C). A main unit (3) is fluidly connectable to the filtration unit (2) and includes a supply unit (18) configured to supply the fluid to the at least one filter element (4). A control unit is configured to control supplying and/or evacuating the fluid to/from the at least one filter element (4) and to control tilting of the at least one filter element (4) around the tilting axis (B).Type: GrantFiled: September 19, 2018Date of Patent: March 29, 2022Assignee: Sartorius Stedim Biotech GmbHInventors: Jan Schaefer, Ganeshkumar Padmanabhan, Michael Huth, Ralf Korzuschek, Rolf Matthiesen
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Patent number: 10857491Abstract: The present invention relates to a filtering panel (100) for a disk filter and a disk filter for water purification, comprising a metal filter cloth (16, 116) such as a stainless steel filter cloth, pre-tensioned in both warp and weft directions and fastened to a frame (10, 110) comprising a peripheral portion (11, 111), which is integral with an inner grillwork (12) and which divides the inner area of the peripheral portion (11, 111) into fields (15, 115). The frame (10, 110) comprises a plastic material reinforced with glass fibers or carbon fibres such as polypropylene loaded with fibreglass in an amount of at least 20 weight percent. Each field of the grillwork (12, 112) has an area not exceeding 10% of the inner area of the peripheral portion (11, 111). The pre-tensioning of the filter cloth (16, 116) in both directions is from at least 20% of the yield stress of the cloth (16, 116).Type: GrantFiled: June 5, 2015Date of Patent: December 8, 2020Assignee: Evoqua Water Technologies LLCInventors: Marco Braschi, Roberto Negrini
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Patent number: 9314949Abstract: The invention is directed to methods for preparing a planar membrane module, a planar membrane module obtainable by said methods, methods for preparing a heat exchanging module, and a heat exchanging module obtainable by said methods. In one aspect the method of the invention comprises:—providing a solid state planar membrane;—injection molding a potting material into one or more potting frames for supporting said membrane;—assembling, preferably by hot pressing, the one or more potting frames with the solid state planar membrane, thereby forming a membrane frame;—optionally providing a spacer at least at one side of the planar membrane; and—joining a stack of said membrane frames in a gastight manner to form a planar membrane module, said joining comprising welding of potting material.Type: GrantFiled: August 13, 2010Date of Patent: April 19, 2016Assignee: Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNOInventors: Jolanda van Medevoort, Jan Breen, Leonardus Antonius Maria Brouwers
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Patent number: 8999160Abstract: A mechanical plate shifter system for moving filter plates in a filter press during a process of plate separation for filter cake removal comprises: a pusher to automatically engage with a single filter plate at the end of a stack or at the edge of a gap in the stack for moving the plate forward and then automatically disengaging when the plate reaches an end plate/dummy plate or another filter plate previously pushed. The filter plates are configured with handles for engaging with the pusher. The pusher is attached to a continuous drive belt and is configured with a pivoting structure including: a head with a receiving notch for a handle of a filter plate; and a counterweight for the head. The pusher and belt are configured relative to the filter plate stack to allow for filter plates to be engaged/disengaged by the receiving notch.Type: GrantFiled: October 1, 2012Date of Patent: April 7, 2015Inventor: Daniel Simpson
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Patent number: 8900450Abstract: The present invention concerns a filter press (10, 60), comprising a supporting frame, constituted of at least one longitudinal rail or guide (11, 61) supported at its opposite ends by a fixed headpiece (12, 62) on one side and by a foot (13, 63) on the other side, a movable headpiece (15, 65) supported by said at least one guide (11, 61), a plurality of filtering plates (14, 64) arranged side by side between said fixed headpiece (12, 62) and said movable headpiece (15, 65), pneumatic elements or cushions (20, 70) for pressing and a compression plate (21, 71), wherein said movable headpiece (15, 65) comprises threaded cylindrical holes, supported on relative endless screws (19, 69) the ends of which are rotationally mounted on supports integral with the relative guides (11, 61).Type: GrantFiled: February 10, 2010Date of Patent: December 2, 2014Assignee: Tenova S.p.A.Inventor: Stefano Tongiani
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Patent number: 8883003Abstract: The invention concerns a filtration device comprising a manifold (3) providing fluid connection and mechanical connection comprising a clamping plate (4) movably mounted relative to the manifold (3) and adapted to compress at least one cassette (2) against the manifold (3), means for driving and guiding the clamping plate comprising a rod (6) extending between the manifold (3) and the plate (4), an actuator provided with a body and a member moveable relative to the body, which member is adapted to move through a predetermined travel between an extended position and a retracted position, the body being carried by the manifold (3), and the member carrying the rod (6) and driving the plate (4) via the rod (6) to a clamped position in which the member is in an intermediate retracted position in which it has moved through a shorter travel than the predetermined travel relative to its extended position.Type: GrantFiled: July 25, 2013Date of Patent: November 11, 2014Assignee: EMD Millipore CorporationInventors: Sebastien Cirou, Jean-Louis Weissenbach, Rene Reinbigler, Jean-Luc Beulay, Frans Mels, Cecile Delbos
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Publication number: 20140326651Abstract: The invention provides a connector assembly for fastening filter elements onto a supporting plate of a press filter, comprising a first cylindrical core, a first flange extending outward from the first cylindrical core, a second cylindrical core, and a second flange extending outward from the second cylindrical core. The first cylindrical core is shaped and dimensioned such that it snugly passes through and is meshed with a central through hole of the supporting plate, and the second cylindrical core is shaped and dimensioned such that it snugly passes through and is meshed with the first cylindrical core. Both the first cylindrical core and the first flange and both the second cylindrical core and the second flange are respectively moulded integrally from a non-woven fabric which has the ability of self-sustaining and shape maintenance, and is mouldable. The invention also relates to press filter fitted with the connector assembly.Type: ApplicationFiled: February 23, 2012Publication date: November 6, 2014Applicant: FAIRTECH INVESTMENT LIMITEDInventors: Ying Yuk Ng, Gilbert Graig
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Patent number: 8877052Abstract: The invention concerns a filtration device comprising a manifold (3) providing fluid connection and mechanical connection comprising a clamping plate (4) movably mounted relative to the manifold (3) and adapted to compress at least one cassette (2) against the manifold (3), means for driving and guiding the clamping plate comprising a rod (6) extending between the manifold (3) and the plate (4), an actuator provided with a body and a member moveable relative to the body, which member is adapted to move through a predetermined travel between an extended position and a retracted position, the body being carried by the manifold (3), and the member carrying the rod (6) and driving the plate (4) via the rod (6) to a clamped position in which the member is in an intermediate retracted position in which it has moved through a shorter travel than the predetermined travel relative to its extended position.Type: GrantFiled: May 12, 2011Date of Patent: November 4, 2014Assignee: EMD Millipore CorporationInventors: Sebastien Cirou, Jean-Louis Weissenbach, Rene Reinbigler, Jean-Luc Beulay, Frans Mels, Cecile Delbos
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Publication number: 20140311994Abstract: The present invention relates to a device and a method for reducing friction between two plates (4, 5) of a filtration unit, said plates being rotated relative to one another by being subjected to axial pressing forces, said plates being supported by the longitudinal end of a drum (1) secured to a rotary shaft (3) mounted on a bearing (6) and having internal collectors (11), and the opposite end of a casing (2) which is rotatably locked and supported by said shaft, respectively, characterised in that it includes at least one pulling system (8) engaging with the casing (2) by exerting a force intended to at least partially compensates for the axial forces pressing the plate (5) against the plate (4), in order to reduce friction while ensuring that tight mutual contact is maintained.Type: ApplicationFiled: September 16, 2011Publication date: October 23, 2014Applicant: GaudfrinInventor: Guy Gaudfrin
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Publication number: 20140299530Abstract: The invention concerns a filtration device comprising a providing fluid connection and mechanical connection comprising a clamping plate movably mounted relative to the manifold and adapted to compress at least one cassette against the manifold, means for driving and guiding the clamping plate comprising a rod extending between the manifold and the plate, an actuator provided with a body and a member moveable relative to the body, which member is adapted to move through a predetermined travel between an extended position and a retracted position, the body being carried by the manifold, and the member carrying the rod and driving the plate via the rod to a clamped position in which the member is in an intermediate retracted position in which it has moved through a shorter travel than the predetermined travel relative to its extended position.Type: ApplicationFiled: June 23, 2014Publication date: October 9, 2014Inventors: Sebastien Cirou, Jean-Louis Weissenbach, Rene Reinbigler, Jean-Luc Beulay, Frans Mels, Cecile Delbos
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Publication number: 20140299531Abstract: The invention concerns a filtration device comprising a manifold providing fluid connection and mechanical connection comprising a clamping plate movably mounted relative to the manifold and adapted to compress at least one cassette against the manifold, means for driving and guiding the clamping plate comprising a rod extending between the manifold and the plate, an actuator provided with a body and a member moveable relative to the body, which member is adapted to move through a predetermined travel between an extended position and a retracted position, the body being carried by the manifold, and the member carrying the rod and driving the plate via the rod to a clamped position in which the member is in an intermediate retracted position in which it has moved through a shorter travel than the predetermined travel relative to its extended position.Type: ApplicationFiled: June 23, 2014Publication date: October 9, 2014Inventors: Sebastien Cirou, Jean-Louis Weissenbach, Rene Reinbigler, Jean-Luc Beulay, Frans Mels, Cecile Delbos
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Publication number: 20140042069Abstract: A robust crossflow filtration cassette holder, allowing easy mounting and removal of filtration cassettes. The cassette holder comprises a distributor plate, an end-plate, a plurality of essentially parallel tie rods connecting the distributor plate with the end-plate, and a compression plate slidably mounted on the tie rods between the distributor plate and the end plate, wherein at least one of the tie rods is movable in its entirety between an open position or orientation, allowing mounting or removal of a filtration cassette, and a closed position or orientation, in which the movable tie rod is in engaged connection with the cassette and locks it in the holder by a locking means.Type: ApplicationFiled: April 25, 2012Publication date: February 13, 2014Applicant: GE Healthcare Bio-Sciences ABInventors: Patrik Akerstrom, Nirmal Kumar Thanikachalam
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Patent number: 8535542Abstract: A method of separating a mixture of liquid and insoluble solids in a filter press may comprise: pumping the mixture into a chamber between two filter plates in the filter press to form a filter cake, wherein the chamber is lined by filter cloths, and wherein, during the pumping, filtrate is forced through the filter cloths and out of the chamber; heating the filter cake in the chamber, wherein, during the heating, filtrate is forced through the filter cloths and out of the chamber, and wherein the heating is by radio frequency irradiation of the filter cake in the chamber; and releasing dried filter cake from the chamber.Type: GrantFiled: November 2, 2009Date of Patent: September 17, 2013Inventors: Daniel J. Simpson, Ferdinand Kogler
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Publication number: 20130221546Abstract: A flat sheet membrane module is provided and includes a pair of laterally spaced membrane compartments formed therein for receiving and holding two sets of flat sheet membranes. A utility compartment is disposed between the membrane compartments and includes an air conduit for directing air downwardly through the module to air dispersers forming a part of the module or to a separate lower disposed module. Optionally, a permeate conduit may be provided in the utility compartment for channeling permeate from a lower disposed module. A support structure is disposed in each membrane compartment for receiving and holding a set of flat sheet membranes. The support structure includes a pair of plates that sandwich a set of flat sheet membranes together such that the flat sheet membranes of the set are disposed in a side-by-side relationship between the two end plates.Type: ApplicationFiled: February 29, 2012Publication date: August 29, 2013Applicant: VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORTInventors: Jason C. Christ, Justin M. Schreiber, Charles H. Guthrie, Jeffrey J. Mocock, Chinh Q. Hoang
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Patent number: 8512560Abstract: A filter press includes a press frame containing side beams (2) to support filter plates (17) movably along the longitudinal axis of the side beams (2). The filter plates (17) are oriented at right angles to the longitudinal axis of the side beams (2) and connected to one another. A pressure plate (4) can be moved along the longitudinal axis of the side beams (2) by a pushing or pulling device, and which presses the filter plates of the sliding carriage (3) against one another during the filtration process. The pushing or pulling device is mounted on a sliding carriage (3) that can be moved on the side beams (2) along the longitudinal axis of the side beams (2) by a drive unit mounted on the sliding carriage (3).Type: GrantFiled: December 2, 2008Date of Patent: August 20, 2013Assignee: Andritz Technology and Asset Management GmbHInventors: Thomas Paschedag, Marion Bohme
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Patent number: 8480891Abstract: Apparatuses and methods for making and using a filter cloth assembly are described. A filter cloth assembly can have a liquid permeable filtering media attached to a connector ring. The liquid permeable filtering media separates at least one solid from at least one liquid in a slurry. The filtering media has a feed hole formed therein to allows passage of a slurry through the filtering media. The connector ring includes a flange having an upper flange section and a lower flange section. The lower flange section receives an edge of the feed hole to connect the filtering media to the connector ring such that the face of the filtering media is substantially flush with the upper flange section.Type: GrantFiled: September 11, 2009Date of Patent: July 9, 2013Assignee: Micronics, Inc.Inventor: Barry F. Hibble
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Publication number: 20130043175Abstract: A device for attaching an undiluted-liquid supply plate to a filter cloth includes: a leg to be placed inside a first through hole formed in the filter cloth and inside a second through hole formed in the undiluted-liquid supply plate; a flange provided at an end portion of the leg and having a diameter larger than diameters of the first through hole and the second through hole; and an elastic deformation portion configured to be elastically deformed in a radial direction of the second through hole to allow and restrict movement of the leg placed inside the first and second through holes in an axial direction of the second through hole.Type: ApplicationFiled: April 25, 2011Publication date: February 21, 2013Applicant: ISHIGAKI COMPANY LIMITEDInventors: Koji Hara, Nobuo Honda, Kazuhisa Otani, Nobuhiro Mineo, Shoji Motoya, Daisuke Yamamoto
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Patent number: 8366929Abstract: A membrane element 36 includes filtration membranes 45 on the flat part of the membrane element 36. Spacing members 60 keep spacing S between the filtration membranes 45 between the membrane elements 36 when the membrane elements 36 are arranged with the filtration membranes 45 opposed to each other. The spacing members 60 each have spacer sections 61a and 61b that keep the spacing S between the filtration membranes 45 between the membrane elements 36 in the direction of a membrane surface cleaning stream that flows along the surface of the filtration membrane 45.Type: GrantFiled: December 21, 2009Date of Patent: February 5, 2013Assignee: Kubota CorporationInventors: Hidetoshi Masutani, Yasunobu Okajima, Tadao Shinkai, Yoshio Asakura
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Patent number: 8366928Abstract: A filter (20) configured to separate the solid components and the liquid components from a slurry. The filter (20) includes a plurality of filter plate assemblies (46) that cooperate to define a plurality of filter chambers (70), each defining a perimeter (96) having an open section (98) when the filter plates (68) are in a closed position relative to one another. Each filter plate assembly (46) includes a closure (104) configured to close the open section (*). Preferably, the closures (104) are movable to an open position to permit a particulate cake to be removed from the filter chambers (70) without separating the filter plates (68).Type: GrantFiled: March 4, 2005Date of Patent: February 5, 2013Inventor: Sean R. Duby
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Patent number: 8287741Abstract: A filter configured to separate the solid components and the liquid components from a slurry. The filter includes a plurality of filter plate assemblies that cooperate to define a plurality of filter chambers, each defining a perimeter having an open section when the filter plates are in a closed position relative to one another. Each filter plate assembly includes a closure configured to close the open section. Preferably, the closures are movable to an open position to permit a particulate cake to be removed from the filter chambers without separating the filter plates.Type: GrantFiled: August 15, 2011Date of Patent: October 16, 2012Inventor: Sean R. Duby
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Patent number: 8206582Abstract: A shaking device for filter plates of a filter press including a fixed support, a movable frame, a sleeve spring device, and a shaking rod. The fixed support includes a main beam and a support crossbeam. The movable frame includes a frame crossbeam and a vertical beam. The movable frame is disposed on the support crossbeam. One end of the sleeve spring device is attached to the frame crossbeam and the other end is attached to the shaking rod. The movable frame is driven by a gear motor. The shaking device further includes a cylinder assembly. The cylinder assembly is coaxially connected with the sleeve spring device and the shaking rod in a straight line. When the cylinder assembly acts on the shaking rod, the shaking rod shakes to separate and shakes a plurality of filter cloth rods of the filter plates to remove the filter cakes.Type: GrantFiled: January 7, 2012Date of Patent: June 26, 2012Inventors: Guiting Jiang, Baochang Liu
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Patent number: 8197685Abstract: The invention relates to a filter element for a press filter comprising first and second filtering means, each having at least one opening for the passage of a slurry to be filtered, and first and second connecting means for connecting the openings of the first and second filtering means. Each of the first and second connecting means comprises a flange portion and a tubular portion, wherein the flange portion of the first connecting means is fixedly attached to the first filtering means and the flange portion of the second connecting means is fixedly attached to the second filtering means, and wherein the tubular portion of the first connecting means is insertable into the tubular portion of the second connecting means.Type: GrantFiled: August 10, 2009Date of Patent: June 12, 2012Assignee: Sefar AGInventors: Jean Luis Ribet, Sandrine Minebois
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Publication number: 20110198301Abstract: Disclosed herein are modular filter assemblies having a plurality of stacked filter plates formed from a porous material. The filter plate can comprise a planar base portion from which a convoluted ridge wall, having a ridge outer side surface, a ridge inner surface, and a top ridge surface extends. A plurality of fluid inlet troughs and a plurality if fluid outlet troughs are defined by the ridge wall. Adjoining filter plates form a plurality of fluid inlet cavities defined by the fluid inlet trough of one filter plate and a portion of the bottom surface of the adjoining filter plate; and a plurality of fluid outlet cavities defined by the fluid outlet trough of the one filter plate and a portion of the bottom surface of the adjoining filter plate. In use, the plurality of fluid inlet cavities are in filtered communication with the plurality of fluid outlet cavities.Type: ApplicationFiled: April 25, 2011Publication date: August 18, 2011Applicant: Porex CorporationInventors: Dean Haldopoulos, Benjamin Hirokawa
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Patent number: 7998354Abstract: A filter configured to separate the solid components and the liquid components from a slurry. The filter includes a plurality of filter plate assemblies that cooperate to define a plurality of filter chambers, each defining a perimeter having an open section when the filter plates are in a closed position relative to one another. Each filter plate assembly includes a closure configured to close the open section. Preferably, the closures are movable to an open position to permit a particulate cake to be removed from the filter chambers without separating the filter plates.Type: GrantFiled: August 3, 2009Date of Patent: August 16, 2011Inventor: Sean R. Duby
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Publication number: 20110174711Abstract: Tangential flow filtration device is provided wherein liners are provided between the filtration element and the top and bottom holders or manifolds. The liners incorporate the flow channels and inlet and outlet ports, as well as an optional sensor mount. The liners and filtration element are independently compressed, so that decompression of the overall assembly does not decompress the liners and filtration element, thereby preventing leakage of hold-up volume within the fluid paths of the filtration element and liners.Type: ApplicationFiled: July 27, 2010Publication date: July 21, 2011Applicant: MILLIPORE CORPORATIONInventors: Martin Morrissey, Dennis Wong
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Publication number: 20100200518Abstract: The invention relates to a filter element for a press filter comprising first and second filtering means, each having at least one opening for the passage of a slurry to be filtered, and first and second connecting means for connecting the openings of the first and second filtering means. Each of the first and second connecting means comprises a flange portion and a tubular portion, wherein the flange portion of the first connecting means is fixedly attached to the first filtering means and the flange portion of the second connecting means is fixedly attached to the second filtering means, and wherein the tubular portion of the first connecting means is insertable into the tubular portion of the second connecting means.Type: ApplicationFiled: August 10, 2009Publication date: August 12, 2010Applicant: SEFAR AGInventors: Jean Luis RIBET, Sandrine MINEBOIS
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Publication number: 20100155344Abstract: A filter device including at least one filter chamber between a filter plate and a counter plate when the device is closed, into which chamber a suspension can be inducted on a cake side of a filter cloth through at least one filling shoe anchored in the filter plate and clamping the cloth with the filter plate in a sealing manner. The suspension permeates the cloth to the filtrate side, wherein the suspension solid content deposits on the cloth as a filter cake, and the filter and counter plates are offset from each other when the device is open, and the cake is removable from the chamber. In order to simplify the disassembly of the cloth, the shoe is movably anchored in the filter plate, and the shoe is automatically lifted off from the filter plate and the clamping of the filter cloth is released when the device is opened.Type: ApplicationFiled: December 8, 2009Publication date: June 24, 2010Inventor: Heinz Bonn
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Publication number: 20100044291Abstract: A pitcher with a water purification module includes a casing having a trough longitudinally defined therein. A purification module is received in trough and includes a housing having a space longitudinally defined in the housing and extending to a top of the housing to define an opening. A filter set is longitudinally received in the space form the opening and includes a hollow prior filter longitudinally received in the space, a hollow filter housing longitudinally received in the prior filter, and a hollow posterior filter longitudinally received in the filter housing. A cap is partially and complementally received in the opening for closing the housing.Type: ApplicationFiled: August 20, 2008Publication date: February 25, 2010Inventor: Chung-Yen Tseng
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Publication number: 20100032383Abstract: A filter element with a filter medium and at least one retainer, to which the filter medium is fixed. The retainer comprises a retainer base body and a retainer attachment. The filter medium is arranged between the retainer base body and the retainer attachment at least in sections, and at least one profile element is formed on the retainer base body and/or on the retainer attachment to allow form-fitting and/or force-fitting retention of the filter medium there between.Type: ApplicationFiled: August 30, 2007Publication date: February 11, 2010Applicant: SEFAR AGInventors: Richard M. Gaiser, Hansjoerg Duer
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Patent number: 7635132Abstract: Apparatuses and methods for making and using a filter cloth assembly are described. A filter cloth assembly can have a liquid permeable filtering medium attached to a connector ring. The liquid permeable filtering media separates at least one solid from at least one liquid in a slurry. The filtering media has a feed hole formed therein that allows passage of a slurry through the filter cloth. The connector ring including a flange having an upper flange section and a lower flange section. The lower flange section receives an edge of the feed hole to connect the filtering media to the connector ring such that the face of the filtering media is substantially flush with the upper flange section.Type: GrantFiled: November 14, 2005Date of Patent: December 22, 2009Assignee: Micronics, Inc.Inventor: Barry F. Hibble
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Publication number: 20090211990Abstract: A filter (20) configured to separate the solid components and the liquid components from a slurry. The filter (20) includes a plurality of filter plate assemblies (46) that cooperate to define a plurality of filter chambers (70), each defining a perimeter (96) having an open section (98) when the filter plates (68) are in a closed position relative to one another. Each filter plate assembly (46) includes a closure (104) configured to close the open section (*). Preferably, the closures (104) are movable to an open position to permit a particulate cake to be removed from the filter chambers (70) without separating the filter plates (68).Type: ApplicationFiled: March 4, 2005Publication date: August 27, 2009Inventor: Sean R. Duby
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Patent number: 7569151Abstract: A filter configured to separate the solid components and the liquid components from a slurry. The filter includes a plurality of filter plate assemblies that cooperate to define a plurality of filter chambers, each defining a perimeter having an open section when the filter plates are in a closed position relative to one another. Each filter plate assembly includes a closure configured to close the open section. Preferably, the closures are movable to an open position to permit a particulate cake to be removed from the filter chambers without separating the filter plates.Type: GrantFiled: July 7, 2008Date of Patent: August 4, 2009Inventor: Sean R. Duby
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Patent number: 7531086Abstract: A pressure filter apparatus is shown and disclosed with a construction that permits the filter to be operated to produce food grade or pharmaceutical grade products where there are requirements for periodic cleaning, sterilizing or sanitizing of the apparatus. The structures of the filter apparatus are sloped or clad to drain any fluids away from the apparatus. The exterior can be washed in place and the interior can be washed with the exterior washing or can be operated with internal washing cycles.Type: GrantFiled: February 13, 2003Date of Patent: May 12, 2009Assignee: FLSmidth A/SInventors: Steve C. Benesi, Patrick J. Costelloe, Anthony C. Miller
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Publication number: 20090084722Abstract: An adapter clip is provided for a filter assembly that includes a housing, a specialized replaceable filter element, and an extension and locking mechanism for cooperating with the specialized filter element to preclude operation of the filter assembly without a specialized filter element. The adapter clip will render the extension and locking mechanism inoperative and permit the use of a universal filter element. Also, the use of the adapter clip will enable filter assembly operation without any filter installed, as may be desirable in emergency situations.Type: ApplicationFiled: September 28, 2007Publication date: April 2, 2009Inventors: Welby S. Atteberry, Jason Snider
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Publication number: 20090057218Abstract: The present invention provides a protector and a fluid filter using the protector in which the protector, which supports a cylindrical filter element so as to prevent the filter element from being crashed, can be assembled easily by a manual operation, the number of components of the protector can be reduced, and the protector can be assembled easily even with differing length. A fluid filter comprising a protector for supporting a filter element, the protector includes a support having a cylindrical portion and a first joint portion, a pedestal having a pedestal main body and a second joint portion joined to the first joint portion, a valve body provided in a valve body housing portion, and a spring that biases the valve body to a through hole side, wherein the first joint portion and the second joint portion are connected to each other by a snap fit structure.Type: ApplicationFiled: July 22, 2008Publication date: March 5, 2009Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHAInventors: Tsutomu HANASE, Masahiro TOMITA
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Publication number: 20090039037Abstract: A portable water disinfecting and purification apparatus comprising a first chamber into which water to be purified may be drawn by suction or negative pressure, a second chamber into which the water from the first chamber can be forced by a pumping action or positive pressure, whereby the water is passed across a micro-filter positioned within a section of the second chamber through which water can be forced by said pumping action to an outlet for purified water.Type: ApplicationFiled: August 8, 2008Publication date: February 12, 2009Inventors: Paul W. O'Brien, Mogens Engel
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Publication number: 20090008316Abstract: A filter plate for filtration (100) of a fluid as subject of the present invention comprises a first filter membrane (110) and a second filter membrane (120). The filter membranes are substantially planar and substantially-parallel. The filter membranes comprise metal fibers. The filter plate comprises a reinforcing means (130, 131) interposed between the filter membranes. The first and second filter membrane are attached to the reinforcing means. The reinforcing means creates at least two flow channels (132) between the filter membranes for guiding a fluid towards the edge of the filter plate.Type: ApplicationFiled: February 20, 2007Publication date: January 8, 2009Inventors: John Verhaeghe, Johan Hugelier, Martin Van Haeke, Johan Van Meenen
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Publication number: 20080314815Abstract: The invention relates to a melt filter (1) for purifying, in particular, plastic melts leaving extruders, comprising a filter disk (3), which is provided between two plates (5, 5?) that form a housing equipped with a filter element changing station (7), and which can be rotationally driven by means of a power-operated pawl-type drive (4). Said filter disk has recesses, which are separated by webs (11) along a circular path and which serve to accommodate filter elements (8) that, by means of perforated disks, are supported against the forces arising due to the drop in pressure occurring therein in the flowing direction of the plastic melt. The inventive melt filter also comprises a melt channel (9), which passes through the plates in the area of the circular path, feeds the melt to the filter elements, and which widens up to the filter elements.Type: ApplicationFiled: December 10, 2004Publication date: December 25, 2008Inventors: Stephan Gneuss, Daniel Gneuss
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Publication number: 20080290047Abstract: A method and filter element for filtering flowable material. The filter element includes a top plate, a bottom plate, and a middle plate sandwiched therebetween. The top plate includes a first outlet to receive unfiltered material. The middle plate is interposed between the top plate and bottom plate and supports a meshed surface in order to strain oversized particles therefrom. The filter element is designed such that the axial length between the first outlet of the top plate and the middle plate is less than the axial length between the middle plate and the second outlet. The filter member of the middle plate is disposed in a direction perpendicular to the flow of material passing through the first outlet such that the approximate entire surface of the middle plate is used in the filtering process.Type: ApplicationFiled: May 7, 2008Publication date: November 27, 2008Inventors: Randolph W. Zahn, Michelle M. Hibdon, H. Thomas Miller
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Publication number: 20080251440Abstract: A membrane element in which, after membrane breakage or deterioration, the filtration plate made of a thermoplastic resin can be reused to replace the membrane with a fresh one. The membrane element comprises a filtration plate made of a thermoplastic resin and, bonded to a peripheral smooth surface thereof, a microporous filter membrane which has fine pores formed therein and employs a nonwoven fabric comprising synthetic resin fibers as a support. A hot plate having a shape corresponding to the peripheral shape of the resinous filtration plate is brought into contact with a peripheral smooth surface of the plate so as to form a recessed part in the surface. The temperature of the hot plate is regulated so as to be not higher than the melting point of the nonwoven fabric serving as the support and not lower than the Vicat softening temperature of the filtration plate made of a thermoplastic resin.Type: ApplicationFiled: February 3, 2006Publication date: October 16, 2008Applicant: GS Yuasa CorporationInventors: Kenichi Saito, Shiro Tanso
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Publication number: 20080245717Abstract: A separator for cleaning a fluid stream, in particular for removing oil from a gas stream, has a filter medium separating contaminants from a fluid stream. A bottom plate is arranged at a first end of the filter medium and a cover plate is arranged at a second end of the filter medium. A support body is provided and the filter medium is arranged concentrically on the support body. The filter medium, the bottom plate, the cover plate and the support body are essentially free of metal and withstand a high differential pressure between an outer side and an inner side of the separator.Type: ApplicationFiled: September 8, 2006Publication date: October 9, 2008Applicant: MANN+HUMMEL GmbHInventor: Wolfgang Heikamp
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Publication number: 20080230460Abstract: A screen nozzle for a media extention screen is disclosed which includes a nipple, a bottom cover, a top cover, and a cylindrical screen element sandwiched between the top and bottom covers. The top cover is secured to the bottom cover by means of a threaded rod extending from either the bottom cover or the nipple through the interior of the screen through an aperture in the top cover with the top cover being retained in place by a nut or the like. The nipple is secured to the bottom cover by swaging and the threaded rod is welded to the bottom cover. Assembling the screen element using an internal threaded rod has two substantial advantages over existing screen nozzles. The first advantage is that there are no external welds which may damage or deform or foul the screen and which are also are potential areas of weaknesses which may be subject to corrosion. Secondly the screen element may be replaced without removing the nozzle from the screen plate.Type: ApplicationFiled: September 10, 2004Publication date: September 25, 2008Inventor: Murray Frank Dowsett
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Patent number: 7396472Abstract: A filter configured to separate the solid components and the liquid components from a slurry. The filter includes a plurality of filter plate assemblies that cooperate to define a plurality of filter chambers, each defining a perimeter having an open section when the filter plates are in a closed position relative to one another. Each filter plate assembly includes a closure configured to close the open section. Preferably, the closures are movable to an open position to permit a particulate cake to be removed from the filter chambers without separating the filter plates.Type: GrantFiled: December 30, 2004Date of Patent: July 8, 2008Inventor: Sean R. Duby
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Publication number: 20080135499Abstract: A filtration assembly may comprise first and second end pieces having inner and outer faces, at least one filtration unit between the inner faces of the first and second end pieces, and at least one compression rod arrangement extending between the end pieces. The compression rod arrangement may comprise an unthreaded compression rod and a locking device mounted to the compression rod to maintain compression of the filtration unit between the end pieces. A method of maintaining compression of filtration units may comprise installing at least one filtration unit between a first end piece and a second end piece and maintaining compression of the end pieces and the filtration unit, including mounting a locking device to an unthreaded compression rod.Type: ApplicationFiled: December 10, 2007Publication date: June 12, 2008Applicant: PALL CORPORATIONInventors: Roger Gagnon, Franco Morizio, Robert Ieraci
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Patent number: 7326341Abstract: The invention relates to a membrane filter press. On operation of such a press a secure generation of the necessary pressing pressure can be guaranteed with a membrane filter press that has at least one membrane filter plate, a baseplate with thickened edge region, a membrane made from an elastically-deformable material, and a filter cloth. The novel membrane has an annular edge bead which lies in a complementary groove on the baseplate. A sealing groove is formed into the baseplate which opens out into the first-mentioned groove at both ends in the manner of a bypass. A complementary sealing projection, moulded on the annular bead, engages in the sealing groove with formation of a seal. The cavity enclosed between the groove and the sealing groove is preferably provided with at least one filtrate drain bore.Type: GrantFiled: May 12, 2005Date of Patent: February 5, 2008Assignee: JVK Filtration Systems GmbHInventors: Bernhard Salbaum, Ulrich Knye, Manfred P. Hermann
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Patent number: 7201845Abstract: A system for moving a filter or a retainer into or out of a fluid pathway without halting the movement of the fluid in the pathway. When acting as a filtering device, the system includes a filter frame and a drive mechanism for slidingly moving the filter frame on stationary rails that remain in the duct through which the fluid is transferred. When a retainer device, the system includes a retainer and a drive mechanism for slidingly moving retainer on stationary rails that remain in the chamber through which a fluid under treatment passes. The system includes isolation means permitting the filter frame or retainer to pass into or out of the duct or chamber without exhausting the fluid within the duct or chamber. The drive mechanism may be a guillotine damper gate drive, a spindled drive, a hydraulic actuator or other drive means. The filter or the retainer may include a plurality of bays that are rigidly, hingedly, or detachably connected together.Type: GrantFiled: March 8, 2004Date of Patent: April 10, 2007Assignee: Bachmann Industries, Inc.Inventor: William F. Koch
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Patent number: 6971526Abstract: A method is provided for fixedly joining a cloth, a cloth-like fabric or a synthetic mesh to a filter plate using a flanged cloth connector ring. The flanged cloth connector ring is attached to the filter cloth around the feed port of the cloth and inserted into a receiving channel in the filter plate. A locking ring or a distribution ring may be inserted into the channel adjacent to the connector ring to retain the connector ring and attached filter cloth in place. Filter cloths may be individually and independently attached to each side of a filter plate using a cloth connector ring.Type: GrantFiled: September 30, 2003Date of Patent: December 6, 2005Assignee: Micronics, Inc.Inventor: Barry F. Hibble
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Patent number: 6932906Abstract: A method of making a filter by bonding two pieces of cloth to the flanges of a barrel-neck connector by locating a ring of bonding agent mixed with a metal powder between each flange and the adjacent surface of each cloth and using induction heating to heat the metal and thus cause the bonding agent to bond the cloth to the flanges. The bonding agent may comprise guide legs which allow its accurate location between the respective cloth and flange and/or the ring may be flexible allowing the ring to be flexed into position over the respective flange of the barrel-neck.Type: GrantFiled: May 23, 2001Date of Patent: August 23, 2005Assignee: Madison Filter LimitedInventors: Richard Patrick Lydon, James Christopher Edwards
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Patent number: 6852220Abstract: A filter press for filtering suspensions includes plural parallel filter plates that can be displaced relative to one another. In a filtering position, the filter plates are compressed to a package that forms a filter chamber provided with at least one filter cloth between neighboring filter plates. In a discharge position, neighboring filter plates are moved apart by a discharge distance so that a filter cake adhering to the filter cloth can be discharged. Every filter chamber is provided with at least one filling element for feeding the suspension to the filter chamber. The filling element is disposed on a protruding part that protrudes beyond a plate body face or contour and within a sealing edge on the periphery of the filter plates. In the filtering position, the filling elements are sealingly clamped between neighboring filter plates and form a suspension supply channel that extends through the filter plate package.Type: GrantFiled: November 8, 2000Date of Patent: February 8, 2005Assignee: Outokumpu OyjInventors: Karl Grafen, Hermann-Josef Spoelgen
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Patent number: 6827851Abstract: The invention relates to a filter module (4) with a simplified design which allows for the manufacturing of a step filter, Each ply of filter medium is composed of a deep-bed filter material layer (1, 1a-d) and the packing is composed of draining layers (5, 5a, 5b). The draining layers (5, 5a, 5b) and filter layers (5, 5a, 5b) are mutually sealed to the filtrate/non-filtrate chamber (2,3). The filter layers (1, 1a-d) can be arranged according to any pattern.Type: GrantFiled: January 22, 2001Date of Patent: December 7, 2004Assignee: Pall CorporationInventors: Gerhard Strohm, Georg Schnieder