Abutted Or Superimposed Members Patents (Class 210/488)
  • Patent number: 11684874
    Abstract: A tangential flow filtration module includes plural plate units connected in sequence. Each of the plate units includes a main body, a first combing portion, a second combing portion, a first flange and a second flange. The main body has a first side surface, a second side surface and a through hole. The first side surface is opposite to the second side surface, and the through hole extends from the first side surface to the second side surface. The first combing portion and the second combing portion are disposed on the first side surface and the second side surface respectively. The first flange and the second flange respectively protrude from the first side surface and the second side surface and respectively. The first combing portion of one of the plate units is combined with the second combing portion of another one of the plate units, so that a sieving structure.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: June 27, 2023
    Inventors: Zheng-Han Hong, Chun-Mu Wu, Zong-Hsin Liu, Po-Han Tseng, Yao-Kun Haung
  • Patent number: 11654397
    Abstract: A filtration cassette including a multilaminate array of sheets including filter sheets alternating with permeate sheet members and retentate sheet members, and a cross-flow filter device comprising a multiplicity of stacked filtration cassettes of such type. The improvements associated with the filtration cassettes described herein include, but are not limited to, at least one of: reinforced inlet(s) providing for longevity and improved cleanability of the cassettes; spacer permeate screens to limit throughput restriction; stainless steel or otherwise stiffened permeate sheets to prevent movement and increase flux; and stainless steel permeate sheets that can be used with ultrasonic transmission to minimize fouling of the filter sheets and extend cleaning cycles. Advantageously, the filtration cassettes are more resistant to higher temperatures than the filtration cassettes of the prior art.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: May 23, 2023
    Assignee: Smartflow Technologies, Inc.
    Inventors: Todd Benson, Marc Pugh, Jason Bell, Mark Vander Hoff, Kelly Johnson, Jonathan Barth, Bradford East, Cameron Gunter, Max Prendergast
  • Patent number: 11585545
    Abstract: A ridge vent for ventilating a roof of a building via a hole along a roof ridge to atmosphere, the ridge vent comprising a first ridge vent panel: a flange portion for resting on the roof, the flange portion having an opening for overlapping with the hole, the flange portion having a first flange portion positioned to one side of the opening and a second flange portion positioned to another side of the opening, such that the first flange portion and the second flange portion are at an acute angle with respect to one another; a frame portion coupled to the flange portion and having sides extending upwardly from the flange portion about the opening, the frame portion for maintaining a cap portion in a spaced apart relationship with the flange portion; the cap portion connected to the frame portion and covering over the opening; a first corrugated filter plate extending between the cap portion and the flange portion and positioned transversely between the opening and the atmosphere, the first corrugated filter p
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: February 21, 2023
    Inventor: Antoine Bourque
  • Patent number: 11515051
    Abstract: In view of above problems, an object of the invention is to provide a primary containment vessel venting system having a structure capable of continuously discharging vapor in a primary containment vessel out of the system and continuously reducing pressure of the primary containment vessel without discharging radioactive noble gases to the outside of the containment vessel and without using an enclosing vessel or a power source. In order to achieve the above object, an nuclear power plant of the invention includes a primary containment vessel which includes a reactor pressure vessel, a radioactive substance separation apparatus which is disposed inside the primary containment vessel and through which the radioactive noble gases do not permeate but vapor permeates, a vent pipe which is connected to the radioactive substance separation apparatus, and an exhaust tower which is connected to the vent pipe and discharges a gas, from which a radioactive substance is removed, to the outside.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: November 29, 2022
    Assignee: Hitachi-GE Nuclear Energy, Ltd.
    Inventors: Sohei Fukui, Takahisa Matsuzaki, Kazuaki Kito, Yoshihiko Ishii, Masataka Hidaka, Tomohiko Ikegawa, Katsuki Hamada
  • Patent number: 11511232
    Abstract: Tangential flow filtration systems utilizing flexible bags for permeate collection are provided.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: November 29, 2022
    Inventor: Mark A. Perreault
  • Patent number: 11485651
    Abstract: A movably-connected and continuously-connected apparatus for uninterrupted high-salinity wastewater purification includes a high-salinity wastewater adsorption treatment system and a movably-connected drainage system embedded in the treatment system. The high-salinity wastewater adsorption treatment system includes four purification zone partition plates, a hollow cylindrical purification zone, a cylindrical water distribution sump located in an axial center of the purification zone, a rotating shaft, a motor, a fixed support and a water tank; the four purification zone partition plates include a first partition plate forming an angle of 135° with a horizontal direction from left to right, a second partition plate forming an angle of 45° with the horizontal direction from left to right, a third partition plate forming an angle of 135° with a vertical direction from bottom to top and a fourth partition plate forming an angle of 135° with the vertical direction from bottom to top.
    Type: Grant
    Filed: October 26, 2021
    Date of Patent: November 1, 2022
    Inventors: Yalei Zhang, Xuefei Zhou, Jiabin Chen, Yinchuan Yang, Lei Wang, Xinmiao Zhang, Wenbiao Wang, Yegang Chen
  • Patent number: 11439940
    Abstract: A separation device for separating fluid from a gas stream has a housing replaceably connected to a connector head of a connecting device. The housing has a housing corpus with an axial end covered by a housing cover non-detachably connected to the housing corpus. A filter insert is received in the housing in a flow path of the gas stream from a raw gas inlet to a clean gas outlet of the housing. The filter insert has a main separator element with ring-shaped support body and cylindrical coalescing filter medium with coalescer material removing fluid from the gas stream. A preliminary separator element is arranged concentrically to the main separator element in the housing in the flow path of the gas stream between raw gas inlet and main separator element. The preliminary separator element has a cylindrical coalescing filter medium with coalescer material removing fluid from the gas stream.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: September 13, 2022
    Assignee: MANN+HUMMEL GmbH
    Inventors: Peter Biebricher, Bertram Bartelt, Klemens Dworatzek, Fei Wang, Sascha Roth
  • Patent number: 11376547
    Abstract: A process for separating a feed gas comprising a polar gas and a non-polar gas into a permeate gas and a retentate gas, one of which is enriched in the polar gas and the other of which is depleted in the polar gas, the process comprising passing the feed gas through a gas separation module comprising: (i) a feed carrier comprising a membrane envelope and a feed spacer located within the membrane envelope; and (ii) a permeate carrier comprising: (a) a macroporous sheet; and (b) a protective sheet; and wherein: i) the feed gas is fed along the feed spacer of the feed carrier and a part of the feed gas passes through the membrane envelope and into the permeate carrier to give the permeate gas and a part of the feed gas is rejected by the membrane to give the retentate gas; ii) the protective sheet shields at least a part of the membrane envelope from contact with the macroporous sheet; and iii) the protective sheet comprises a non-woven material.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: July 5, 2022
    Assignees: Fujifilm Manufacturing Europe B.V., Fujifilm Corporation
    Inventors: Atsushi Mukai, Anton Van Der Pluijm, Nori Miyagishima, Kazuomi Inoue, Davide Bocciardo, Yujiro Itami
  • Patent number: 11312130
    Abstract: A liquid ejecting head including: a first liquid ejecting portion configured to eject a liquid; a second liquid ejecting portion configured to eject a liquid; a first supply flow path configured to supply the liquid to the first liquid ejecting portion and the second liquid ejecting portion; and a temperature detection element for measuring a temperature of the liquid. The first supply flow path includes a common portion to which the liquid is supplied; a first branch portion that communicates with the common portion at a communication position, and that supplies the liquid from the common portion to the first liquid ejecting portion; and a second branch portion that communicates with the common portion at the communication position, and that supplies the liquid from the common portion to the second liquid ejecting portion. The temperature detection element is disposed at a vicinity of the communication position.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: April 26, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Hiroyuki Hagiwara, Katsuhiro Okubo
  • Patent number: 11148101
    Abstract: A forward osmosis membrane having a high chemical resistance includes a backing layer, a selective layer, and a hydrophilic support layer sandwiched between the backing layer and the selective layer. The hydrophilic support layer includes a plurality of nanostructures, each of which includes a carbon nanotube and a hydrophilic film coated around the carbon nanotube, and has an outer layer defined by the hydrophilic films of the nanostructures to prevent the selective layer from penetrating into the hydrophilic support layer.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: October 19, 2021
    Inventors: Nyan-Hwa Tai, Chi-Young Lee, Hsin-Hua Lee, Li-Han Chung, Guan-You Lin, Min-Chao Chang
  • Patent number: 11117116
    Abstract: Construction for absorbing a fluid, for example, a liquid or gaseous, organic chemical, has an extended web, fabric, yarn or foam member and associated with the extended web, fabric, yarn or foam member is a water-insoluble polymer. The water-insoluble polymer can absorb the fluid organic chemical, and the construction provides for contact of the water-insoluble polymer with the fluid organic chemical when deployed in an environment where the fluid organic chemical may be present for absorption. The construction may be employed in aquatic, aqueous, or dry environments, as a blotter, a wipe or sponge, a filter, in a cartridge, and so forth.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: September 14, 2021
    Inventors: John S. Brinkman, Steven Floyd Nielsen
  • Patent number: 11111606
    Abstract: A multilayered polymer composite film includes a first polymer material forming a polymer matrix and a second polymer material coextruded with the first polymer material. The second polymer material forms a plurality of fibers embedded within the polymer matrix. The fibers have a rectangular cross-section.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: September 7, 2021
    Inventors: Eric Baer, Jia Wang, Deepak Langhe
  • Patent number: 11020689
    Abstract: The present invention relates to a melt-joined filter element with improved testability after dry steaming or alternatively after sterilization by irradiation, to a method for producing the filter element according to the invention, and to the use of the filter element for filtering solutions.
    Type: Grant
    Filed: March 16, 2013
    Date of Patent: June 1, 2021
    Inventors: Bjoern Hansmann, Volkmar Thom, Thomas Loewe
  • Patent number: 10994234
    Abstract: A ceramic foam filter and a manufacturing method thereof. The ceramic foam filter comprises the following materials provided in respective weight percentages: 20-50% of a silicon carbide, 20-55% of a zirconium oxide, and 10-36% of a silicon oxide, wherein all figures are based on the total weight of the ceramic foam filter. The method for manufacturing the ceramic foam filter comprises the following steps: (a) providing a slurry comprising a silicon carbide, a zirconium oxide or zirconium oxide precursor, a silicon oxide or silicon oxide precursor, a binder, an optional additive, and a fluid carrier medium; (b) applying the slurry to perform surface ornamentation of a perforated organic foam; (c) drying the perforated organic foam surface ornamented with the slurry to obtain a green body; and (d) sintering the green body in oxygen-containing air to obtain the ceramic foam filter.
    Type: Grant
    Filed: July 24, 2017
    Date of Patent: May 4, 2021
    Inventors: Jianxun Zhu, Jinghao Liu, Shujin Yang
  • Patent number: 10845277
    Abstract: The present disclosure provides for devices, systems and methods for fractionation and concentration of particles from a fluid sample. This includes a cartridge containing staged filters having porous surface in series of decreasing pore size for capture of particles from a fluid sample; and a permeate pressure source in fluid communication with the cartridge; wherein the particles are eluted from the porous surfaces and dispensed in a reduced fluid volume.
    Type: Grant
    Filed: October 18, 2013
    Date of Patent: November 24, 2020
    Assignee: INNOVAPREP, LLC
    Inventors: Zachary Allen Packingham, Andrew Edward Page, David Scott Alburty, Steven Dale Graham, Alec Douglas Adolphson
  • Patent number: 10710041
    Abstract: A cylindrical wall for filtering solid particles in a fluid is disclosed herein, through which a fluid is likely to circulate. This wall includes at least one perforated plate having a finite radius of curvature, and at least one grating element superposed on this perforated plate. The grating element includes a plurality of rigid wires extending in a longitudinal direction and positioned adjacent to one another in order to filter the solid particles, characterized in that the grating element is arranged for the wires to be secured to one another only by means of links between adjacent wires, each link between two adjacent wires occupying only a portion of the length of the wires, and having a thickness less than or equal to the thickness of these wires in proximity to this link.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: July 14, 2020
    Assignees: Total Raffinage Chimie, AMYRIS, INC.
    Inventors: Pedro Nascimento, Arnaud Selmen, Matthew Allen
  • Patent number: 10618014
    Abstract: A gas separation membrane, characterized by having a porous support and a polyamine layer formed on the porous support, the number-average molecular weight of the polyamine constituting a part of the polyamine being 100,000-500,000.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: April 14, 2020
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Yasutaka Kurishita, Masato Mikawa
  • Patent number: 10611503
    Abstract: A rigid structure propellant management device (PMD) liquid storage tank includes an outer shell and internal structures inside the outer shell that include a plurality of vertical columns each made up of a stack of individual storage cells. Each of the storage cells has solid vertical sidewalls and top and bottom capillary windows that allow vertical liquid transfer between adjacent cells in a vertical column. The top and bottom capillary windows in each of the storage cells have permeabilities that result in a selected direction of liquid flow in each column. A piping and valve system may be connected to the top capillary window of a top storage cell and to the bottom capillary window of a bottom storage cell of each vertical column, configured to allow controlled liquid transfer between adjacent vertical columns so that locations of empty cells in the tank as liquid is drawn from the tank achieves a selected column by column drainage sequence and controls a center of mass of the tank.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: April 7, 2020
    Assignee: Keystone Engineering Company
    Inventors: Robert Manning, Ian Ballinger, Wayne H. Tuttle
  • Patent number: 10457580
    Abstract: The present application provides a device for treating a black and odorous water body comprising a pre-treatment unit, a biomimetic intestine tubular purification system which imitates a digestion of small intestine, a microbial fuel cell which imitates a digestion of large intestine, and an inclined tube sedimentation tank which imitates human excretion.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: October 29, 2019
    Assignee: Beijing University of Civil Engineering and Architecture
    Inventors: Lieyu Zhang, Donghai Yuan, Jiaxi Li, Ying Xiong, Guowen Li, Caole Li
  • Patent number: 10427962
    Abstract: The present application provides a method for treating a black and odorous water body comprising the following steps: pre-treating the black and odorous water body; passing the pre-treated water body through a biomimetic intestine tubular purification system which imitates a digestion of small intestine; passing the tubular purification system-treated water body into a microbial fuel cell which imitates a digestion of large intestine to treat the water body; and pumping the microbial fuel cell-treated water body into an upward flow inclined tube sedimentation tank to treat the water body.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: October 1, 2019
    Assignee: Beijing University of Civil Engineering and Architecture
    Inventors: Lieyu Zhang, Donghai Yuan, Jiaxi Li, Ying Xiong, Guowen Li, Caole Li
  • Patent number: 10385211
    Abstract: The present invention relates to a proton conductive nanocomposite membrane and a method for manufacturing same, the proton conductive nanocomposite membrane having polyhedral oligomeric silsesquioxane (POSS) having a proton donor and POSS having a proton acceptor introduced into an aromatic hydrocarbon polymer membrane having a sulfonyl group. The nano-composite membrane of the present invention has both the POSS having a proton donor and the POSS having a proton acceptor added thereto, and thus protons (cations) that are generated are easily hopped in an ion channel by means of hydrogen bonding, and thus ionic conductivity is increased. In addition, the POSS used in the present invention has a very small size, and thus hardly obstructs proton migration in the ion channel in the polymer membrane, and thus excellent proton conductivity may be enabled.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: August 20, 2019
    Inventors: Heewoo Rhee, Sangwoo Kim, Taeyung Youn
  • Patent number: 10374244
    Abstract: The present invention relates to a proton conductive nanocomposite membrane comprising a fluorinated proton conductive polymer substance introduced with polyhedral oligomeric silsesquioxane (POSS) having a proton donor and polyhedral oligomeric silsesquioxane (POSS) having a proton acceptor, and a method for preparing the same, in which the addition of the very small size POSS having proton donors and POSS having proton acceptors to the nanocomposite membrane increases ion conductivity due to easy hopping of generated protons (cations) within ion channels, thereby realizing excellent proton conductivity while the nanocomposite membrane shows excellent mechanical strength even though the degree of sulfonation of the membrane is increased.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: August 6, 2019
    Inventors: Heewoo Rhee, Sangwoo Kim, Taeyung Youn
  • Patent number: 10155187
    Abstract: Filter media are described. The filter media may include multiple layers. In some embodiments, the filter media include a nanofiber layer adhered to another layer. In some embodiments, the layer to which the nanofiber layer is adhered is formed of multiple fiber types (e.g., fibers that give rise to structures having different air permeabilities and/or pressure drops). In some embodiments, the nanofiber layer is adhered to a single-phase or a multi-phase layer. In some embodiments, the nanofiber layer is manufactured from a meltblown process. The filter media may be designed to have advantageous properties including, in some cases, a high dust particle capture efficiency and/or a high dust holding capacity.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: December 18, 2018
    Assignee: Hollingsworth & Vose Company
    Inventors: John A. Wertz, Douglas M. Guimond
  • Patent number: 9815284
    Abstract: A liquid discharge head includes nozzles, pressure chambers, pressure generators, a common liquid chamber, a partition, and a liquid feeder. The common liquid chamber includes two chamber portions adjacent to each other on a plane parallel to a nozzle array direction. The two chamber portions include a first chamber portion to receive liquid from a supply unit and a second chamber portion to supply liquid to the pressure chambers. The partition includes openings and partitions the first portion from the second portion. The first portion includes at least one liquid inlet at a first end and at least one liquid outlet at a second end opposite the first end in the nozzle array direction. The second portion has a cross-sectional area smaller than a cross-sectional area of the first portion in a cross section of the two chamber portions perpendicular to the nozzle array direction.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: November 14, 2017
    Assignee: RICOH COMPANY, LTD.
    Inventor: Noriyasu Takeuchi
  • Patent number: 9795933
    Abstract: A diffuser membrane and a method for manufacturing the same are provided. In the method for manufacturing, a first material is heated and extruded to form a base layer and a second material is heated and extruded to form a coating layer. The base layer and coating layer may be extruded substantially simultaneously in a coextrusion process. Accordingly, the coating may be applied to the base layer in a manner that optimizes the bonding between the two layers and provides the ability to control the thickness of the coating layer. Alternatively, the base layer is formed initially and the coating layer is subsequently formed thereover. The first and second materials have differing properties. The first material may comprise polyurethane and the second material may comprise polyurethane and PTFE.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: October 24, 2017
    Inventors: Warrick S. Wadman, David A. Capron, Charles E. Tharp
  • Patent number: 9782726
    Abstract: A method of recovering one or more insoluble oils from a liquid source using one or more membrane or membrane contactors, comprising the steps of: pumping the liquid source comprising the one or more oils to the membranes or membrane contactors, contacting the liquid source with a first surface of the membrane or membrane contactors, coalescing the one or more oils within the liquid source onto the first surface of the membrane contactors, pumping one or more recovery fluids through the membrane or membrane contactors in contact with the second surface of the membrane or membrane contactors, and removing a first stream of oil coalesced from the second surface of the membranes or membrane contactors.
    Type: Grant
    Filed: June 14, 2013
    Date of Patent: October 10, 2017
    Assignee: Board of Regents, The University of Texas System
    Inventors: Frank Seibert, Stacy S. Truscott, Stephen William Briggs, Peter B. Kipp
  • Patent number: 9492769
    Abstract: A disk filter (21) has grooves (211) having a curved shape whose curvature gradually increases from the outer peripheral side of the filter disks (21) to the inner peripheral side thereof. The width (Wout) is greater than the width (Win). The width (Wout) is the width of an opening (211a) of each of the grooves (211), the width (Win) is the width of the opening (211a) of each of the filter disks (21). The disk filter includes, in a flow passage for liquid thereof, a stacked body composed of the filter disks (21). The pressure loss of the disk filter (21) is low and the opening ratio thereof is high. The disk filter (21) can appropriately and efficiently filtrate even a low-pressure liquid.
    Type: Grant
    Filed: June 4, 2013
    Date of Patent: November 15, 2016
    Assignee: Enplas Corporation
    Inventor: Mike Iwasaki
  • Patent number: 9266749
    Abstract: An assembly for the rapid removal of trace levels of ionic species from fast-moving flows of water employs a compressed stack of layers of batting containing ion-absorbing granules, and a confining cage for holding the stack in a rectangular configuration.
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: February 23, 2016
    Inventor: Norman B. Rainer
  • Patent number: 9222624
    Abstract: A fluid pressure reduction device includes a radial and axial fluid flow path in stacked disks. The stacked disks form a fluid flow path including at least two pressure reduction stages, a first pressure reduction stage being oriented so that the fluid flowpath is directed radially outward and a second pressure reduction stage being oriented so that the fluid flowpath is directed radially inward.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: December 29, 2015
    Inventor: Michael W. McCarty
  • Patent number: 9180397
    Abstract: A filter well suited for paint arrestor usage having a monolithic high loft manmade fiber body with a convoluted flow contact surface. The filter is preferably formed by a convoluter as in one with a roller set and blade cutter to form mirror image fiber filter sheets from a received fiber batt. Provided is a well mixed proper fiber blend, such as one having a set of fibers made of a majority of course fibers joined by way of thermal bonding fibers which facilitate, during convoluting, formation of a crisp cut and high integrity three dimensional surface, as in one of rows of peaks separated by valleys. The projection/recess arrangement over the flow contact surface as well as the thickness and relative projection-to-base dimensions are arranged to provide a high paint holding capacity without too fast a load up of, for example, paint particles and while avoiding too great of a pressure drop within that load up time.
    Type: Grant
    Filed: August 10, 2011
    Date of Patent: November 10, 2015
    Assignee: CARPENTER CO.
    Inventors: Dennis L. Mater, Steve Hawkins
  • Publication number: 20150114909
    Abstract: A light weight oriented net or netting assembly is provided for oil capture and containment. The netting assembly is made by biaxially stretching or orienting starting materials to form a pattern of oriented strands and integral junctions that, while being light in weight, is also strong enough to be used to capture and remove oil from contaminated water without an outer stabilizing jacket. The assembly is preferably made from oriented polypropylene netting that is folded, gathered, bunched and/or otherwise layered upon itself on the order of 16-64 times and then crimped in one or more locations to secure the netting layers in a bow tie or tubular configuration that forms net cavities and an open cell structure to capture and contain oil that has been dispersed in water. Oil in the netting assembly can then be removed, such as by pressing or other removal process, after which the netting assembly may be reused.
    Type: Application
    Filed: September 8, 2014
    Publication date: April 30, 2015
    Inventors: Matthew David STEWART, Brian Edward CONNELLY, Daniel Charles HABICHT
  • Patent number: 8980088
    Abstract: A fluid treatment arrangement may include a fluid treatment unit having a multilayer structure. The multilayer structure may include at least one feed layer, at least one permeate layer, and at least one layer of a permeable fluid treatment medium between the feed layer and the permeate layer. The fluid treatment unit may further include a thermoset which holds the layers together and forms at least a portion of a first end surface of the fluid treatment unit. The fluid treatment arrangement may also include a thermoplastic sheet which overlies the first end surface of the fluid treatment unit. The thermoset directly bonds to the thermoplastic sheet.
    Type: Grant
    Filed: March 20, 2012
    Date of Patent: March 17, 2015
    Assignee: Pall Corporation
    Inventors: Rachel Forman, Martin J. Weinstein
  • Patent number: 8960448
    Abstract: A two-layered osmosis membrane contains a support layer and a rejection layer. The support layer, in which a mesh is embedded, is made of a phase separation polymer and has a thickness of 50 to 200 ?m. The rejection layer, which adheres to the support layer, is made of a thin film composite polymer and has a thickness of 0.05 to 3 ?m. The mesh, which is embedded in the support layer, has an open area of 30 to 70%, a mesh size of 60-300 mesh, and a thickness of 45-150 ?m. Also disclosed is a method of making the above described membrane.
    Type: Grant
    Filed: December 26, 2012
    Date of Patent: February 24, 2015
    Assignee: National University of Singapore
    Inventors: How Yong Ng, Wei Duan
  • Publication number: 20150008177
    Abstract: A separation membrane structure 1 has partition walls 3 including a honeycomb shaped porous ceramic body 9 provided with a large number of pores, and cells 4 to become through channels of a fluid are formed by the partition walls 3. The cells 4 include separation cells 4a and slit cells 4b. In the separation cells 4a, the intermediate layer is disposed on the surface of a substrate 30, and a separation layer is further formed. The intermediate layer has a structure where aggregate particles are bonded to one another by an inorganic bonding material having a thermal expansion coefficient equal to or higher than that of the aggregate particles.
    Type: Application
    Filed: September 23, 2014
    Publication date: January 8, 2015
    Inventors: Kenji YAJIMA, Makoto MIYAHARA, Tetsuya UCHIKAWA, Makoto TERANISHI, Makiko ICHIKAWA, Hideyuki SUZUKI
  • Patent number: 8911622
    Abstract: An apparatus and method for skimming oil and other liquid hydrocarbons and contaminates floating at the surface of a body of water or other suspending liquid. A rigid skimming surface such as a drum or disc is floatably supported on pontoons. The skimming surface is rotatable about an axis substantially parallel to the water surface. The skimming surface is covered with removably attached sorbent material which improves the efficiency of the oil recovery operation and which, when worn or soggy, can be removed and discarded without discarding the skimming surface.
    Type: Grant
    Filed: March 1, 2013
    Date of Patent: December 16, 2014
    Assignee: Abanaki Corporation
    Inventors: Wallace J. Landry, III, M. Thomas Hobson, Richard Forbes, Brian Slone
  • Patent number: 8900462
    Abstract: A leukocyte-removing filter, characterized in that it comprises a filter material having a vertical permeation coefficient (kx) of 0.5×10?12 to 2.0×10?12 m2 and a ratio (ky/kx) of a horizontal permeation coefficient (ky) to kx of 0.5 to 1.5; and a method for removing leukocytes using said filter. The above leukocyte-removing filter has a higher leukocyte-removing performance per unit volume and also does not bring clogging nor increase of pressure drop.
    Type: Grant
    Filed: June 9, 2005
    Date of Patent: December 2, 2014
    Assignee: Asahi Kasei Medical Co., Ltd
    Inventors: Yukihiro Yamada, Yukihiko Uchi
  • Publication number: 20140339152
    Abstract: A composite semipermeable membrane includes: a supporting membrane having a substrate and a porous supporting layer; and a separation functional layer provided on the supporting membrane, in which, when any 10 cross sections of the composite semipermeable membrane, having a length of 2.0 ?m in a membrane surface direction, are observed using an electron microscope, an average number density of projections on the separation functional layer, which have a height equivalent to or higher than ? of a 10-point average surface roughness of the separation functional layer, is 10.0 pieces/?m or more, in each cross section, and an average height of the projections is 100 nm or more.
    Type: Application
    Filed: January 16, 2013
    Publication date: November 20, 2014
    Inventors: Jun Okabe, Yoshie Marutani, Kiyohiko Takaya, Harutoki Shimura, Takao Sasaki, Masahiro Kimura
  • Patent number: 8887926
    Abstract: Provided is a carbon nanostructure-metal composite nanoporous film in which a carbon nanostructure-metal composite is coated on one surface or both surfaces of a membrane support having micro- or nano-sized pores. A method for manufacturing a carbon nanostructure-metal composite nanoporous film, includes: dispersing a carbon nanostructure-metal composite in a solvent at the presence of a surfactant and coating the carbon nanostructure-metal composite on one surface or both surfaces of a membrane support; and fusing the metal on the membrane support by heating the coated membrane support. The metal in carbon nanostructure-metal composite nanoporous film melts at a low temperature since a size of a metal of the carbon nanostructure-metal composite is several nm to several-hundred nm.
    Type: Grant
    Filed: March 26, 2010
    Date of Patent: November 18, 2014
    Assignee: Bioneer Corporation
    Inventors: Han Oh Park, Jae Ha Kim, Myung Kuk Jin
  • Patent number: 8881914
    Abstract: This invention relates to a blood processing filter comprising a sheet-like filter element, an inlet-side flexible container and an outlet-side flexible container that sandwich the filter element and are sealed thereto, an inlet port provided in the inlet-side flexible container for accepting blood before being processed by the filter element, and an outlet port provided in the outlet-side flexible container for discharging blood after being processed by the filter element. The blood processing filter also includes a flow channel securing sheet arranged between the filter element and the outlet-side flexible container. A flow channel hole through which blood processed by the filter element passes is formed in the flow channel securing sheet. The outlet port is provided so as to be capable of communicating with the flow channel hole.
    Type: Grant
    Filed: September 20, 2011
    Date of Patent: November 11, 2014
    Assignee: Asahi Kasei Medical Co., Ltd.
    Inventors: Tomohisa Yokomizo, Morikazu Miura
  • Patent number: 8875904
    Abstract: A circular filtering disc and a filter device having the filtering disc. The filtering disc includes a circular partition plate having an inner hub and an outer rim, with radial inlet holes formed in the outer rim and introducing water to the partition plate, and a vertical outlet hole formed in the center of the inner hub and discharging pure water; and a filter fabric placed on or below the partition plate, wherein water supplied to the filtering disc passes through the filter fabric and becomes concentrated at the vertical outlet hole, and is discharged from the filtering disc through the vertical outlet hole. In the filter device, raw water is supplied through the circumferential edges of the circular filtering discs stacked on top of one another in the filter device and is filtered prior to being discharged from the filter device through the center of the filtering discs.
    Type: Grant
    Filed: October 25, 2010
    Date of Patent: November 4, 2014
    Assignee: K-1 Ecotech Co., Ltd.
    Inventors: Chang Hyun Choi, Dae Hyun No, Jong Sang Kim
  • Publication number: 20140238928
    Abstract: 1. Filter material (1) and filter clement (29) with filter material (1). 2. The invention relates to a filter material (1), in particular for hydraulic filters, such as oil filters, consisting of at least one individual layer (5) of a composite of glass fibres (7) with carbon fibres (9). The invention timber relates to a filter element with a corresponding filter material (1).
    Type: Application
    Filed: August 28, 2012
    Publication date: August 28, 2014
    Inventors: Edwin Koch, Matthias Schwender, Andreas Schmitz, Stefan Jochum
  • Patent number: 8815099
    Abstract: Various devices and methods for filtering and/or collecting tissue which has been cut or resected from various regions of a patient's body are described herein. In certain variations, a filter or tissue collection chamber may include various components, which allow for the removal or separation of tissue from a fluid medium and for the collection of the tissue within the filter or tissue collection chamber.
    Type: Grant
    Filed: January 21, 2014
    Date of Patent: August 26, 2014
    Assignee: Laurimed, LLC
    Inventors: Brian R. Dubois, James T. Nielsen, Alexander Gordon
  • Patent number: 8808645
    Abstract: Molecular filters are disclosed herein. An example of the molecular filter includes a rolled substrate having an interior surface and opposed ends that are substantially orthogonal to the interior surface. The rolled substrate defines a layer and a fluid flow path extending from one of the opposed ends to another of the opposed ends. A template is positioned on the interior surface of the rolled substrate. The template includes a matrix, and molecule template locations formed in the matrix.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: August 19, 2014
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Warren Jackson, Zhiyong Li
  • Publication number: 20140223873
    Abstract: This invention relates to a multilayer filter. The filter comprises at least a first layer comprising a plurality of openings and at least a second permeable layer overlaying the first layer and reducing the size of the openings. The filter may further comprise one or more successive layers overlaying the second layer, wherein each layer further successively reduces the size of the openings. The filter may be used for separation of particles from fluid or gas. There is also provided a method for fabricating a multilayer filter.
    Type: Application
    Filed: September 20, 2012
    Publication date: August 14, 2014
    Applicant: Nanyang Technological University
    Inventors: Majid Ebrahimi Warkiani, Haiqing Gong
  • Publication number: 20140217032
    Abstract: This application discloses porous self-sealing media comprising a sintered mixture of an absorbent material and a thermoplastic. The self-sealing media block passage of organic solvents or organic solvents in aqueous mixtures, wherein the organic solvents are at concentrations greater than about 40%. The self-sealing media also block acidic solutions. The self-sealing media are useful in a variety of applications such as a pipette tip filter, in line filter, vent, non-mechanical check valve, safety valve, and suction canister.
    Type: Application
    Filed: March 25, 2014
    Publication date: August 7, 2014
    Inventor: Guoqiang MAO
  • Publication number: 20140197094
    Abstract: Thermoplastic bicomponent binder fiber can be combined with other media, fibers and other filtration components to form a thermally bonded filtration media. The filtration media can be used in filter units, such as breather caps. Such filter units can be placed in the stream of a mobile fluid and can remove a particulate and/or fluid mist load from the mobile stream. The unique combination of media fiber, bicomponent binder fiber and other filtration additives and components provide a filtration media having unique properties in filtration applications.
    Type: Application
    Filed: December 19, 2013
    Publication date: July 17, 2014
    Applicant: Donaldson Company, Inc.
    Inventors: Robert M. Rogers, Keh B. Dema
  • Patent number: 8770414
    Abstract: A reverse osmosis separation membrane includes a porous support, a separation active layer formed on the supporting layer, and a ultra hydrophilic layer formed on the separation active layer. The ultra-hydrophilic layer includes a complex metal oxide including at least one metal element selected from the group consisting of Ti(IV), Zr(IV), Sn(IV) and Al(III), and Si, and an organic compound containing a hydrophilic group making a physical or chemical bond with Ti(IV), Zr(IV), Sn(IV) or Al(III) among the complex metal oxide. A method of manufacturing the reverse osmosis separation membrane also is provided. A reverse osmosis membrane including a single coating layer and having an improved durability, chlorine-resistance and antifouling properties may be provided.
    Type: Grant
    Filed: June 18, 2013
    Date of Patent: July 8, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Young-Ju Lee, Chong-Kyu Shin, Joung-Eun Yoo, Seung-Pyo Jeong, Phill Lee
  • Patent number: 8771514
    Abstract: 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: Grant
    Filed: June 21, 2010
    Date of Patent: July 8, 2014
    Assignee: Universidad Politecnica de Madrid
    Inventor: Alfonso Cobos De La Fuente
  • Patent number: 8758626
    Abstract: A cartridge having at least one layer containing sodium zirconium phosphate and at least one layer containing a combination of acid zirconium phosphate and alkaline hydrous zirconium oxide is described. Methods of using the cartridge for water purification are also described.
    Type: Grant
    Filed: October 26, 2010
    Date of Patent: June 24, 2014
    Assignee: Fresenius Medical Care Holdings, Inc.
    Inventor: Raymond Wong
  • Patent number: 8746138
    Abstract: 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: Grant
    Filed: November 9, 2011
    Date of Patent: June 10, 2014
    Assignee: GreenField Specialty Alcohols Inc.
    Inventors: Richard Romeo Lehoux, Christopher Bruce Bradt