Patents Examined by Benjamin Kurtz
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Patent number: 8827084Abstract: A filter element for a liquid filter is arranged in the liquid filter housing that has at least two housing parts such that an inlet of the housing for liquid to be filtered is separated from an outlet of the housing for filtered liquid. The filter element has a filter medium provided with a terminal disk. The terminal disk has a seal support for an outer radial annular seal that is to be clamped in a clamping area between the housing parts that are separable from each other. The seal support of the filter element has axially at least a base member and a cover member. The base member is fixedly connected to the terminal disk. The cover member is attached to the terminal disk, to the base member, or to terminal disk and base member. The annular seal is positioned between base member and cover member.Type: GrantFiled: February 1, 2012Date of Patent: September 9, 2014Assignee: Mann & Hummel GmbHInventors: Yihao Zhu, Rainer Loos, Bernd Nageldinger, Holger Schwarz, Norbert Strassenberger
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Patent number: 8815087Abstract: A fluid filter is disclosed herein, the fluid filter having a cylindrical body with a plurality of flutes disposed around its outer circumference, a cap coupled for rotation with the body having a plurality of projections disposed to engage the plurality of flutes, wherein the plurality of projections rotate past the plurality of flutes when a torque exceeding a threshold is applied to the cap.Type: GrantFiled: November 28, 2011Date of Patent: August 26, 2014Assignee: Fram Group IP, LLCInventors: Gerard Walter Bilski, Michael Sterling Lynch
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Patent number: 8815086Abstract: A fluid filter assembly prevents the filter from moving when fluid is not flowing through the filter. The filter assembly of the invention includes a mounting ring mountable in the filter opening. The mounting ring has a mounting interface, which includes an axially extending portion and a radially outwardly extending flange that has a diameter greater than the filter opening. A rib extends radially outwardly from and circumscribes the ring. The rib is seatable within an annular groove defined within the filter housing and circumscribing the filter opening. When the rib is positioned in the groove, the filter is releasably secured in the opening.Type: GrantFiled: September 20, 2007Date of Patent: August 26, 2014Assignee: Pall CorporationInventor: H. William Morgan
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Patent number: 8813975Abstract: A screen media element having at least one apertured section. The apertured section has a first surface intended to receive and carry material to be screened, a second surface opposite the first surface, apertures extending from the first surface to the second surface and a circumferential surface connecting the first and second surfaces. The apertured section is surrounded by an outer frame along the circumferential surface, characterized in that the apertured section is made from ceramic material and that the outer frame is made of elastomeric material. The invention further relates to a method for manufacturing such a screen media element, and a screen comprising such screen media elements.Type: GrantFiled: January 13, 2012Date of Patent: August 26, 2014Assignee: Metso Minerals (Sweden) ABInventors: Peter Ahlberg, Mike Bygrave, Jens Lagerskiold, Claes Larsson, Gerald van Niekerk
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Patent number: 8801928Abstract: A fuel supply device (1), particularly for an internal combustion engine (6), is equipped with a particulate filter and a water trap. In order to improve the separation effect, while simultaneously reducing the separation material that is required, it is proposed to configure the water trap (5, 8, 30) as a separate component connected downstream of the fuel filer (4) and to provide it with a first separation stage made of coalescent material and a second separation stage made of hydrophobic material, and to dispose the separation stages such that between them the fuel is diverted.Type: GrantFiled: December 10, 2012Date of Patent: August 12, 2014Assignee: Mann+Hummel GmbHInventors: Steffi Kiedaisch, Martin Klein
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Patent number: 8789707Abstract: There is provided a screen frame adapted for use in a shaker to separate solids from liquid/solid mixture and to which woven wire mesh is to be attached, comprising a plurality of intersecting elongate members (12) defining a plurality of openings (10), or cells, wherein at least one protrusion (26) in the form of an elongate rib extends partway across each opening (10).Type: GrantFiled: December 14, 2009Date of Patent: July 29, 2014Assignee: United Wire LimitedInventor: Graham Robertson
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Patent number: 8783471Abstract: A filter assembly includes a head, a filter housing which can be connected to the head, and a filter element which can be received in the filter housing. The filter element includes a tubular wall provided with a filtration medium; a first end part provided at a first axial end of the filter element; and a second end part provided at a second axial end of the filter element. The second end part of the filter element is provided with a either a protrusion or an undercut opening, on the one hand, and the second end of the housing is provided with either an undercut opening or a protrusion, on the other hand. A side of the protrusion or opening is provided with a sloping face which slopes at a slope with respect to the axial direction of the filter element.Type: GrantFiled: October 30, 2009Date of Patent: July 22, 2014Assignee: Parker Hannifin Manufacturing Netherlands (Filtration) B.V.Inventors: Henk van Savooijen, Pieter van Gisbergen, Richard Theodorus Antonius Arts, Marinus Johannes Berend van Boven
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Patent number: 8778182Abstract: A spiral wound element and a seal assembly comprising: a ring-shaped seal disposed about a portion of an outer periphery of the element, a secondary pathway and a valve that selectively permits fluid flow through the secondary pathway.Type: GrantFiled: July 28, 2011Date of Patent: July 15, 2014Assignee: Dow Global Technologies LLCInventors: Jon E. Johnson, Matthew D. Mittag
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Patent number: 8778183Abstract: A filtering apparatus that sucks liquid in hollow portions (10) of the filtering elements (1) via suction pipes (3) so that liquid passes the filtering elements and is filtered. Each suction pipe has suction holes (4) connected to the hollow portions. The suction pipes are inserted into through holes (2) of the filtering elements. The filtering elements are arranged side by side and connected to the suction pipes. A ring-shaped packing is interposed between the filtering elements, and water-tightly seals the clearance between the filtering element and the suction pipe. The through holes are arranged at peripheral locations of each filtering element. The suction pipes are inserted into the through holes of each filtering element. The filtering elements are held at the peripheral locations by the suction pipes.Type: GrantFiled: January 26, 2010Date of Patent: July 15, 2014Assignee: AWA Paper Mfg. Co., Ltd.Inventors: Koichi Nakagawa, Yoshifumi Kusaka, Daisuke Nii, Daisuke Fujieda
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Patent number: 8771514Abstract: The present invention relates to a filter pack formed by stacking rings, being used as a final element in multistage or single-stage filters. The filtration process is performed by consecutively separating the particles in suspension according to the thickness thereof in different areas.Type: GrantFiled: June 21, 2010Date of Patent: July 8, 2014Assignee: Universidad Politecnica de MadridInventor: Alfonso Cobos De La Fuente
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Patent number: 8764984Abstract: A parallel flow filter-in-filter design for a filter system is provided. The filter-in-filter design provides two distinctly parallel or independent flow paths within a filter assembly in a single housing or shell. The filter assembly includes a first outer filter element radially spaced apart from a second inner filter element. A centertube and a funnel shaped passageway housed within the centertube are provided in a space between the first outer filter element and the second inner filter element. The centertube and funnel shaped passageway work in tandem to provide two distinct parallel or independent flow paths within the filter assembly. The funnel shaped passageway is provided generally below the second inner filter element within the centertube.Type: GrantFiled: April 18, 2012Date of Patent: July 1, 2014Assignee: Cummins Filtration IP, Inc.Inventors: Carey A. Curt, Chad M. Thomas, Mark J. Johnson, Stephen L. Fallon
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Patent number: 8764983Abstract: A filter element of a filter system for filtering fluids has a filter medium with end faces. Terminal bodies, one each, are connected to one of the end faces of the filter medium, respectively. A support body extends between the terminal bodies. A first terminal body is connected by a toothed connection to the support body for transmitting a torque from the first terminal body onto the support body and from the support body onto the first terminal body.Type: GrantFiled: July 13, 2011Date of Patent: July 1, 2014Assignee: Mann+Hummel GmbHInventors: Günter Jokschas, Sven Epli, Alfons-Alois Schwinghammer
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Patent number: 8764980Abstract: Embodiments of the invention provide a filtration system comprising a filter tank. In some embodiments, at least portions of an inlet pipe and an outlet manifold can be positioned within the filter tank. At least one manifold assembly can be coupled to the outlet manifold and also can be positioned within the filter tank. In some embodiments, the manifold assembly can include at least one first aperture, at least one second aperture, and at least one first cavity positioned within the manifold assembly. In some embodiments, the second aperture can fluidly connect the first cavity and the outlet manifold. Also, at least one filter can be coupled to the manifold assembly so that the first aperture fluidly connects the filter to the first cavity.Type: GrantFiled: May 24, 2011Date of Patent: July 1, 2014Assignee: Porous Media CorporationInventors: Ralph Fuller, Mark Mickan
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Patent number: 8758609Abstract: A fitting coupler is provided configured for coupling a planar fluid conduit and a fluidic device. The fluidic device comprises a cavity, a device conduit, and a mouth where the device conduit opens into the cavity. A contact pressure element is configured for sealingly pressing the planar fluid conduit to the mouth, so that a conduit opening of the planar fluid conduit opens into the mouth.Type: GrantFiled: August 1, 2011Date of Patent: June 24, 2014Assignee: Agilent TechnologiesInventor: Thomas Reinhardt
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Patent number: 8757393Abstract: A replaceable filter has a filter housing with a cylindrical connecting end. A housing lid has a cylindrical counter connecting member matching the cylindrical connecting end. A filter closure system seal-tightly connects by form fit the cylindrical connecting end and the cylindrical counter connecting member when the connecting end is inserted or pushed onto the counter connecting member in an axial connecting direction and moved relative to the counter connecting member. An annular member is arranged coaxially relative to the connecting end and has a terminal edge area that is connected seal-tightly to the filter housing such that the annular member and the connecting end define a receptacle for the cylindrical counter connecting member. A sealing device is arranged in the receptacle and connected to the filter housing. The sealing device interacts with the counter connecting member.Type: GrantFiled: December 22, 2011Date of Patent: June 24, 2014Assignee: Mann + Hummel GmbHInventor: Michael Thienel
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Patent number: 8757394Abstract: A filter element (1) has first and second end sections (3A, 3B) of a flat filter medium which are secured to one another. A sheathing (4) is provided, wherein said sheathing is compressed by the end sections (3A, 3B) and surrounds the end edges (9) of the end sections (3A, 3B). Alternatively, the filter element (1) has first and second end sections (3A, 3B) of a flat filter medium, wherein the first end section (3A) has a fold (5) having two fold legs (6A, 6B). The end section (3B) of the second end section (2B) is then compressed between the fold legs (6A, 6B).Type: GrantFiled: April 20, 2012Date of Patent: June 24, 2014Assignee: Mann +Hummel GmbHInventors: Michael Maier, Martina Bachfischer
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Patent number: 8753037Abstract: The device is provided with a plurality of intermediate grid plate elements (12) with a top and a bottom surface, which are adapted to be positioned one on top of the other. Each intermediate grid plate element (12) comprises a grate strutting (18, 19) as well as a plurality of support members (20) which are distributed, in particular in a regular manner, over the intermediate grid plate element (12), wherein said support members (20) extend between the bottom face and the top face of an element in a direction substantially transverse to the extension of the intermediate grid plate elements (12) and are supported on the support members (20) of an adjacent intermediate grid plate element (12) arranged below a respective intermediate grid plate element (12), and support the support members (20) of an adjacent intermediate grid plate element (12) arranged above said respective intermediate grid plate element (12).Type: GrantFiled: November 10, 2010Date of Patent: June 17, 2014Assignee: Hewitech GmbH & Co. KGInventors: Bernd Hewing, Frank Dirkskoetter
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Patent number: 8746138Abstract: A solid/fluid separation module and pretreatment apparatus and method enables pretreatment of biomass at high temperature and pressure with the ability to vary residence and processing times.Type: GrantFiled: November 9, 2011Date of Patent: June 10, 2014Assignee: GreenField Specialty Alcohols Inc.Inventors: Richard Romeo Lehoux, Christopher Bruce Bradt
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Patent number: 8746462Abstract: A filter includes a filter element (1) having a filter medium (106) pleated in a zigzag manner, with a raw side (105) and a clean side (104). Filter medium sections (120) extend on either side of the raw-side pleat tips (102a) to adjoining raw-side pleat bases (103a) include a first bend (552) toward the raw side (105), and behind that a second bend (554) toward the clean side (104). A plurality of elongated depressions (656) are formed on the raw side (105), which extend between pleat tips (102a) and pleat bases (103a) approximately perpendicular to pleat edges (F) and implement corresponding elevations (658) on the clean side (104) such that, in a raw-side pleat intermediate space (148a), in each case, two depressions (656) on the two medium sections (120) delimiting the pleat intermediate space (148a) are located directly opposite of each other and each form a flow channel (660).Type: GrantFiled: March 7, 2012Date of Patent: June 10, 2014Assignee: Mann + Hammel GmbHInventors: Gelase Mbadinga-Mouanda, Klaus Gehwolf
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Patent number: 8733555Abstract: A fuel filter cartridge includes a housing having first and second shell sections. The shell sections are generally symmetric about a cartridge axis and joined together. The first shell section has a convex-shape when viewed from a side and includes an end portion, a cylindrical side wall portion, and a transition portion connecting the side wall portion to the end portion. The end portion has an end surface forming a cartridge opening coaxial with the cartridge axis. The transition portion has a radius of 0.125-1.125 inches. A filter having at least one filter element is disposed within the housing.Type: GrantFiled: May 25, 2011Date of Patent: May 27, 2014Assignee: Stanadyne CorporationInventors: Jonathan D. Moore, Timothy M. Sasur