Abstract: A porous material includes aggregate particles and a binding material. In the aggregate particles, oxide films containing cristobalite are provided on surfaces of particle bodies that are silicon carbide particles or silicon nitride particles. The binding material contains cordierite and binds the aggregate particles together in a state where pores are provided therein. The mass ratio of the cordierite to the whole of the porous material is in the range of 10 to 40 mass %. The oxide films that exist between the particle bodies and the binding material have a thickness less than or equal to 0.90 ?m.

Abstract: Provided are heat exchangers that have a plurality of integrally formed contiguous unit cells defining a three-dimensional lattice of repeating unit cells, and methods of reducing a pressure drop in a three-dimensional lattice structure of a heat exchanger. The plurality of integrally formed contiguous unit cells includes a plurality of pathway cells and a plurality of partial unit cells. The plurality of pathway cells have a solid domain that includes interior and exterior pathway-cell surfaces that respectively contiguously define first and second furcated fluid domains for a first fluid and a second fluid to respectively flow across the plurality of pathway cells. The plurality of partial unit cells may introduce a partial phase-shift to the three-dimensional lattice of repeating unit cells such that the first fluid domain comprises a first rounded unit cell entrance and the second fluid domain comprises a second rounded unit cell entrance.

Abstract: Disclosed is a honeycomb filter for collecting fine particles that includes a wall portion formed from a base material containing ceria-zirconia composite oxide and an inorganic binder. The wall portion has a gas permeability coefficient of 1.0 ?m2 or greater and 3.0 ?m2 or less.

Abstract: A nanoscale plate structure includes base plates and rib plates with nanoscale thickness and macroscopic lateral dimensions. The base plate resides in the first plane, the ribs can reside out-of-plane and form at least one strengthening rib, and additional base plates can reside in planes parallel to the first plane. The strengthening rib can be patterned such that there is no straight line path extending through a lateral dimension of the plate structure that does not intersect the at least one base plate and the at least one strengthening rib. The plates and ribs used in the structure have a thickness between about 1 nm and about 100 nm. The plate structures can be fabricated using a conformal deposition method including atomic layer deposition.

Abstract: An electrically heated catalyst includes a honeycomb structure and is designed to be mounted in an exhaust pipe in which exhaust gas flows. The honeycomb structure exhibits catalytic activities and produce heat upon electrical energization. The honeycomb structure includes a grid portion defining a plurality of cells and an outer peripheral portion which covers an outer periphery of the grid portion. A surface of the grid portion and a surface of the outer peripheral portion are designed to ensure electrical insulation from the exhaust pipe.

Abstract: A catalytic composition is built up from a ceramic material including a catalytic material and a first inorganic binder and a second inorganic binder and a catalytic structure made thereof. Preferably, the structure is made by a colloidal ceramic shaping technique. The structure is usable for catalytic or ion exchange applications as well. It is demonstrated that the catalytic structures have excellent mechanical, physicochemical and catalytic properties.

Abstract: A rubber composition for a torsional damper has (A) a minimum value of tan ? at ?30° C. to 120° C. of 0.140 or more, (B) a ratio of tan ? at ?30° C. to tan ? at 60° C. of 3.5 or less, and (C) a ratio of E? at ?30° C. to E? at 60° C. of 21 or less.

Abstract: The thermal blanket can be used for shielding an engine component. The thermal blanket has a window providing visual access to the engine component. The thermal blanket can have a non-transparent portion having an opening extending across the thickness of the non-transparent portion, the opening delimited by an internal edge of the non-transparent portion, and a transparent portion of transparent material in the opening, the transparent portion secured to the internal edge of the non-transparent portion.

Abstract: The present invention proposes a novel construction system consisting of the attachment of modified hyperboloid shaped-structural elements called “laminate cells” which, when working together, create a structural system with integrated over having the capacity of absorbing and transmitting in all directions and orientations.

Abstract: A circumferential coating material to be applied to a circumferential surface of a honeycomb structure made of ceramics formed by extrusion, the circumferential coating material including a ceramic raw material that forms a circumferential coating layer, wherein the ceramic raw material contains: a ceramic mixture of first ceramic particles having particulate shapes, and second ceramic particles having particulate shapes and an average particle diameter different from an average particle diameter of the first ceramic particles; and a fiber material having an elongated strip-like shape, wherein the ceramic mixture has particle size distribution including at least two local maximum values, and the fiber material has an average fiber length ranging from 30 to 100 ?m in a longitudinal direction.

Abstract: A rubber composition for a torsional damper has (A) a minimum value of tan ? at ?30° C. to 120° C. of 0.140 or more, (B) a ratio of tan ? at ?30° C. to tan ? at 60° C. of 3.5 or less, and (C) a ratio of E? at ?30° C. to E? at 60° C. of 21 or less.

Abstract: A honeycomb structure includes plugged honeycomb segments, circumferential bonding layers, central bonding layers and a circumferential wall. An angle ? between a first direction of extension of at least one of the circumferential bonding layers and a second direction of extension of a line segment that connects a centroid of the honeycomb structure and an intersection point at which the circumferential bonding layer in the first direction intersects with the circumferential wall is 25 to 45°, and the outermost segment bonded by the circumferential bonding layer in the first direction exists on a parallel line to a direction of extension of the central bonding layer passing through the centroid.

Abstract: The disclosure generally relates to filters, methods, and systems for filtering particulates from the exhaust of internal combustion engines such as gasoline direct injection engines and methods of preparing particulate filters.

Abstract: A pillar-shaped honeycomb structure body of a honeycomb structure includes a circumferential cell structure, a central cell structure and a boundary wall therebetween. On a surface orthogonal to the cells there are a circumferential reinforcing region having the partition wall thicker than a basic partition wall thickness in the circumferential cell structure and existing outside a range of a distance from a centroid of the surface; and at least one of a first boundary reinforcing region having the partition wall thicker than the basic partition wall thickness and existing in a range of a distance from the centroid within a range of the circumferential cell structure and a second boundary reinforcing region having the partition wall thicker than a basic partition wall thickness in the central cell structure and existing outside of a range of a distance from the centroid within a range of the central cell structure.

Abstract: In one aspect, catalyst modules are described herein comprises structural catalyst bodies having cross-sectional flow channel geometries and surface features for enhanced catalytic activity. In some embodiments, the catalyst modules and associated structural catalyst bodies are suitable for use in high particulate matter environments. Briefly, a catalyst module comprises a framework and a plurality of structural catalyst bodies positioned in the framework, a structural catalyst body comprising an outer peripheral wall and a plurality of inner partition walls forming individual flow channels of rectangular cross-section, the outer peripheral wall resistant to localized flexural failures induced by material between adjacent structural catalyst bodies of the module.

Abstract: Provided is a honeycomb filter, including: a pillar-shaped honeycomb substrate having an inflow end face and an outflow end face and including a porous partition wall surrounding a plurality of cells; and a plugging portion disposed at any one of ends of the cells at the inflow end face and at the outflow end face. In a cross section orthogonal to an extending direction of the cells, inflow cells have a pentagonal or a hexagonal shape, and outflow cells have a square shape. The cells are configured that the inflow cells surround one outflow cell and one side of an inflow cell and one side of an adjacent outflow cell are parallel to each other. The partition wall is configured that thickness of a first partition wall disposed between the inflow cells and the outflow cells is larger than thickness of a second partition wall disposed between the inflow cells.

Abstract: An improved cover board product with a panel comprised of three discrete layers: a top surface layer comprised of either paper or a fiberglass web, a bottom surface layer comprised of either paper or a fiberglass web, and a core layer comprised of discrete paper fragments and polypropylene fragments, which are connected by use of a thermoplastic bonding resin, including polyethylene. The bonding resin is generally attached in a random pattern to less than 100% of the paper fragment and polypropylene fragment surface area. The paper fragments are generally shaped as irregular plates. The polypropylene fragments can have multiple shape types. The two different fragment types are randomly distributed in the core layer relative to each other. The core layer includes small voids in and around the particles, which improves flexibility. The core layer is attached to the top and bottom surface layers by use of a thermoplastic adhesive, including polyethylene.

Abstract: Provided is a honeycomb filter, including: a pillar-shaped honeycomb substrate having an inflow end face and an outflow end face and including a porous partition wall surrounding a plurality of cells; and a plugging portion disposed at any one of ends of the cells at the inflow end face and at the outflow end face. In a cross section orthogonal to an extending direction of the cells, inflow cells have a pentagonal or a hexagonal shape, and outflow cells have a square shape. The cells are configured that the inflow cells surround one outflow cell and one side of an inflow cell and one side of an adjacent outflow cell are parallel to each other. The partition wall is configured that thickness of a first partition wall disposed between the inflow cells and the outflow cells is smaller than thickness of a second partition wall disposed between the inflow cells.

Abstract: The present invention relates to a method of making a composite sandwich structure. The method comprises the steps of: providing a base lay-up on a surface, wherein the base lay-up comprises a first reinforcement material layer; providing a core layer on to the base lay-up, wherein the core layer comprises an open cellular structure and wherein the open cellular structure is at least partially filled with unbound particles; providing a top lay-up on top of the core layer, wherein the top lay-up comprises a second reinforcement material layer; sealing the arrangement within a hermetically sealed enclosure; introducing matrix material into the arrangement via the at least one conduit through a pressure differential; and curing the matrix material.

Abstract: A method for manufacturing a grid-stiffened structure includes: regularly arranging triangular or quadrangular cells on one surface of a sheet member and setting a lattice-like pattern which is provided with rib configuring regions, each of the rib configuring regions being provided between the cells; providing through-holes in positions in the sheet member, where the rib configuring regions intersect, so as to separate the rib configuring regions; forming ribs which protrude from the one surface of the sheet member by folding the rib configuring regions of the sheet member; and mutually connecting ends of the rib in a position of each of the through-holes.

Abstract: A laser-based coating removal apparatus to remove a coating from a surface without damaging the surface. The apparatus comprises a laser source to provide a laser light, a routing element coupled to the laser source and configured to direct the laser light onto a target region of the surface thereby removing the coating from the target region, and a detection element to detect the coating as the coating separates from the target region of the surface. The detection element is able to prevent the surface from being damaged by limiting or eliminating the laser light directed onto the target region after all the coating has been removed. The detection element is able to detect the separation of the coating from the target region by detecting incandescence, acoustic signature, motion, fluorescence and/or chemical properties produced by the separation of the coating from the surface.

Abstract: A composite panel suitable for heating an environment includes a face sheet having a 3D woven structure and abutting the environment, and a first core layer positioned on a side of the face sheet opposite the environment. The 3D woven structure includes at least one z-fiber extending in a first direction, the first direction representing a thickness of the face sheet. The woven structure further includes a plurality of weft layers, each having a weft fiber extending in a second direction, and a warp layer disposed between the plurality of weft layers, the warp layer having a warp fiber extending in a third direction. The z-fiber extends along the plurality of weft layers across a full extent of the 3d woven structure in the first direction.

Abstract: A kit for forming a panel including a panel component, the panel component including a surface sheet formed from a first material, and a body layer to which the surface sheet is adhered generally parallel to the body layer, wherein the body layer has a thickness greater than a thickness of the surface sheet, the body layer has a density less than a density of the surface sheet, and a separate side edge portion adapted to be adhered along at least one edge of the panel component.

Abstract: A trim element that includes a supporting element having a main surface extending between two opposite edges, a lining layer covering the main surface and the edges of the supporting layer, and a skin surrounding the lining layer. At least one of the edges includes a reinforcing element movably mounted relative to the supporting element between a retracted position and a deployed position wherein at least one portion of the reinforcing element protects from the main surface in such a way as to reduce the length of the portion of the reinforcing element extending in relation to the main surface, the projecting portion being surrounded by the lining layer.

Abstract: A honeycomb structure comprising a pillar-shaped honeycomb structure body, wherein the honeycomb structure body has at least one missing part, the average size of the missing part is such that the radial length on the end face of the honeycomb structure body is 0.8 to 8.0 mm, the perimeter along the rim of the end face of the honeycomb structure body is 0.8 to 41.0 mm, and the axial length in the extending direction of the cells of the honeycomb structure body is 0.1 to 32.0 mm, and a percentage of a ratio of total area of the missing part is 1.40% or less.

Abstract: The invention relates to a pallet (1), comprising a basic body (10) with a first panel (11), a second panel (12) and a layer (13) having a plurality of tube segments (14) which is arranged between the panels (11, 12), wherein the layer (13) has at least one cutout (131) which is continuous in the direction of a pallet height (HP), and wherein the first panel (11) has at least one first opening (111) which at least partially overlaps with the at least one cutout (131). The invention further relates to a foot (16) and a runner (17) for a pallet (1), to a sandwich block (2) for producing a layer (13) of a pallet (1), and to a method for producing a pallet (1).

Abstract: A multilayered layered body comprising an evacuated thermal insulation body (12) having a core material (13), which is enclosed by a gas-tight film (16), wherein the thermal insulation body (12) has a first flat side (14) and a second flat side (15), which is arranged opposite of the first side, wherein a lamination layer (17) is laminated onto at least one flat side (14, 15).

Abstract: Disclosed is a gas turbine engine including a fan, a nacelle including a flutter damper forward of the fan, the flutter damper including an acoustic liner having a perforated radial inner face sheet and a radial outer back sheet, the acoustic liner configured for peak acoustical energy absorption at a frequency range that is greater than a frequency range associated with fan flutter, a chamber secured to the radial outer back sheet, the chamber in fluid communication with the acoustic liner, and the chamber configured for peak acoustical energy absorption at a frequency range associated with fan flutter modes, and the engine includes (i) the nacelle and a core cowl forming a convergent-divergent fan exit nozzle; (ii) a variable area fan nozzle capable of being in an opened and closed, the opened position having a larger fan exit area than the closed position; and/or (iii) the fan being shrouded.

Abstract: A filter includes a plurality of first through holes which are periodically formed. At least one of the plurality of first through holes is divided by a plurality of second through holes that are smaller than the first through holes. With such a configuration, the cell aggregate having the desired size can be easily sampled.

Abstract: Heterogeneously dense (relative density) continuous one-piece insoluble reticulated foam material with a continuous relative density gradient and/or distinct and marked relative densities and methods of manufacture.

Abstract: There is provided a laminated soundproof structure formed by laminating a single layer soundproof structure having one or more soundproof cells which are arranged in a two-dimensional plane and each of which includes a frame, a film, and an opening portion including a hole or includes a frame and a film. The single layer soundproof structure has a shielding peak frequency, which is determined by the opening portion of each of the soundproof cells and at which a transmission loss is maximized, on a lower frequency side than a first natural vibration frequency of the film of each of the soundproof cells. The conditions of at least one of the frame, the film, or the opening portion in the laminated one and other soundproof cells are different.

Abstract: There is provided a laminated soundproof structure formed by laminating a single layer soundproof structure having one or more soundproof cells which are arranged in a two-dimensional plane and each of which includes a frame, a film, and an opening portion including a hole. The single layer soundproof structure has a shielding peak frequency, which is determined by the opening portion of each of the soundproof cells and at which a transmission loss is maximized, on a lower frequency side than a first natural vibration frequency of the film of each of the soundproof cells. The soundproof cells of the single layer soundproof structures are laminated with a distance therebetween, and at least some of the laminated soundproof cells have the same conditions of the frame, the film, and the opening portion.

Abstract: A honeycomb structural body includes: a porous cell wall that partitions a cylindrical casing; and a large number of cells extending in the axial direction X thereof and alternately blocked at an upstream end face. The large number of cells include plugged cells having plugs and penetrating cells that do not have the plugs. The plugged cells and the penetrating cells both include complete cells and incomplete cells. At least some of plugged incomplete cells of the incomplete cells have a cross-sectional area smaller than a cross-sectional area of penetrating complete cells, and are configured as blocked cells that are entirely blocked inside in the axial direction.

Abstract: The aircraft can have an aircraft engine and a cowl, the engine having an engine part disposed within the cowl, the cowl having a cowl section movable relative to a remainder of the cowl, the engine further having a gas path duct internal to the cowl with a first portion and a cooperating second portion, the second portion mounted to the cowl section, the cowl section moveable between a first position in which the first portion and the second portion are in fluid flow communication with one another and a second position in which the cowl section and the second portion are moved away from the first portion, wherein in the first position at least the second portion obstructs external access to the engine part and in the second position at least the second portion is displaced to permit external access to the engine part.

Abstract: A ceramic honeycomb body having intersecting walls that form channels extending axially from a first end face to a second end face and plugs to seal the channels at least at one of the first end face and the second end face. The plugs include a first active component, such as a catalytically active component or a chemically active component, of the plug structure, wherein the intersecting walls comprise no first active component and optionally have a second active component of the wall structure or disposed on the walls. Included are methods of making the ceramic honeycomb body having plugs of the first active component and walls with no first active component.

Abstract: A high-speed projectile barrier is disclosed. The barrier includes a core structure and a layer or layers of insulation around the core, surrounded by outer skins. The core is made from liquid material that flows at room temperature and that solidifies at cryogenic temperatures, and filler material. The filler may be, e.g., cellulose, carbon nanotubes, carbon nanofibers, or other high-strength polymeric fibers. Other contemplated filler materials include natural or artificial, layered silicate minerals. A viscosity-enhancing additive may be included. A heat transfer element runs through or around the core and is used to freeze (i.e., solidify) the core. The layers of insulation may be vacuum layers and/or layers of foam rubber, aerogel, glass fiber insulation, or other suitable materials.

Abstract: A first aspect of the present invention is a constant force compression construct, comprising: (a) a plurality of compressible layers, each compressible layer comprising a plurality of interconnected flexible struts configured as a regular hexagonal lattice of repeating unit cells, with the layers spaced apart from one another, and with the unit cells of each layer aligned with one another; and (b) a plurality of beams interconnecting each of the compressible layers with each respective adjacent compressible layer to form a three-dimensional lattice having an upper portion, a lower portion, and a compressible region therebetween, with the repeating unit cells contained in the compressible region.

Abstract: The present disclosure particularly relates to an acoustic attenuation structure for a propulsion assembly of an aircraft. The acoustic attenuation structure includes an acoustically reflective wall and a sandwich panel. The sandwich panel includes a honeycomb structure surrounded by two acoustically porous skins, a rear skin and a skin. The acoustically reflective wall and the sandwich panel are arranged in such a way as to be separated by a layer of air.

Abstract: The present invention proposes a novel construction system consisting of the attachment of modified hyperboloid shaped-structural elements called “laminate cells” which, when working together, create a structural system with integrated cover having the capacity of absorbing and transmitting stresses in all directions and orientations.

Abstract: A metallic structure defines ribs and a skin supported by the ribs. The ribs may be defined by metal strips and the skin may be attached to the ribs. Alternatively, the skin may be defined by a plurality of tiles and the ribs may be defined by flanges of each of the plurality of tiles that cooperate to define the ribs. Tiles may be attached to separate rib lattice. Structurally weak locations at nodes where ribs intersect may be reinforced. The components may be brazed together and the stiffness of adjacent locations in the structure adjusted in the brazing operation to reduce the difference in stiffness and to reduce resulting stress risers. The metallic structure may be armored using metal foam to absorb the energy of a projectile.

Abstract: A honeycomb core for dimensionally stable components (e.g., a reflector) in sandwich construction with a plurality of cells with a triangular cell cross section made from carbon fiber reinforced plastic. The honeycomb core is assembled from flat laminate strips by plugging, wherein the laminate strips have slots running transversely to the extension direction respectively on their longitudinal side. The laminate strips are connected to one another in such a way that the slots of three laminate strips engage in a positive-locking manner in one another at a respective intersection point to form the corners of the cells of the honeycomb core.

Abstract: A molding tool for producing molded parts from expandable plastic beads. The molding tool has an inner wall facing the molded part and an outer wall facing away from the molded part, between which a hollow space is formed for conveying a heating/cooling medium, and the inner and outer walls are connected to each other in some areas by spacers. Inside the spacers, through bores are formed, which convey steam, pass through the outer and inner walls, and are sealed relative to the hollow space.

Abstract: A process for manufacturing an apron board of a high-speed rail equipment cabin using a composite material is disclosed. The material includes aramid fiber honeycomb, PET foam, 3K twill carbon fiber flame retardant prepreg, unidirectional carbon fiber flame retardant prepreg, glass fiber flame retardant prepreg, aramid flame retardant prepreg, and 300 g/m2 single component medium temperature curing blue epoxy adhesive. The process includes manufacturing an apron main plate (3); manufacturing apron-board trim strips (1, 2), wherein there are two apron-board trim strips (1) and two apron-board trim strips (2); and obtaining the apron board through the apron main plate (3) and the apron-board trim strips (1, 2), wherein the two apron-board trim strips (1) are respectively stuck at two opposite sides of the apron main plate (3), the two apron-board trim strips (2) are respectively stuck at another two opposite sides of the apron main plate (3).

Abstract: A combustion chamber assembly comprises a combustion chamber and a plurality of nozzle guide vanes. Each nozzle guide vane comprises an inner platform, an outer platform and an aerofoil. The combustion chamber comprises an annular wall which includes at least one box like structure. An outer wall of each box has a plurality of apertures for the supply of coolant into the box and the interior of the box is divided into at least two regions. The upstream end of each box has apertures to supply coolant from a first region of its interior onto an inner surface of the inner wall to form a film of coolant. The downstream end of each box has apertures to supply coolant from a second region of its interior onto a surface of the inner or outer platform of the nozzle guide vanes to form a film of coolant.

Abstract: A one-piece heat exchanger manufactured using an additive manufacturing process is described. The heat exchanger includes a plurality of channels formed therein. At least some of the plurality of channels may be configured to provide structural support to the heat exchanger to reduce its weight. Different coolant media may be used in a first set and a second set of the plurality of channels to provide different types of cooling in an integrated one-piece heat exchanger structure.

Abstract: A honeycomb filter includes a honeycomb structure body having porous partition walls arranged to surround cells, in a cross section of the honeycomb structure body which is perpendicular to an extending direction of the cells, a value of a porosity of the partition wall in a partitioning region between the inflow cell and the outflow cell is defined as a porosity A, among intersecting portions where partitioning regions of the partition walls between the cells intersect one another, a value of a porosity of the partition wall in an intersecting portion between the two inflow cells is defined as a porosity B, and a value of A/B obtained by dividing the porosity A by the porosity B is from 0.50 to 0.95.

Abstract: A ceramic honeycomb body having a skin that does not block partial cells extending from an inlet face to an outlet face at an outer periphery portion of the body. A method of making the ceramic honeycomb body having the skin includes disposing a sheet on an outer peripheral wall of a honeycomb core having an outer surface spaced apart from interiors of the partial cells and skinning the body having the sheet disposed thereon. Subsequent curing in the method bonds the skin to cell walls of the body spaced apart from interiors of the partial cells.

Abstract: An air intake assembly includes heating elements. The heating elements include windings arranged in a serpentine configuration and having crest portions and trough portions. At least one crest portion of a first heating element is fastened to a corresponding trough portion of a second heating element. The heating elements are arranged in a honeycomb configuration.

Abstract: In a first aspect of a present inventive subject matter, a layered structure includes a first semiconductor layer containing as a major component an ?-phase oxide semiconductor crystal; and a second semiconductor layer positioned on the first semiconductor layer and containing as a major component an oxide semiconductor crystal with a tetragonal crystal structure.

Abstract: An affordable Zero-Energy prefabricated modular building such as for housing, in which a Layered disposition of Envelope elements—including Structural Insulated Panels—in the wall, floor and roof sections of the building's thermal Envelope, provide a highly energy-efficient Building Envelope, which together with a modular building Support Structure including Aeriated Frames, and an adequately sized renewable energy power generator system, inexpensively achieves the energetic independence of the building. A method is disclosed for the adaptation of the building's design and construction to the bio-climatic conditions of its projected location, in which different possible configurations of the relevant elements of the Building Envelope, the building structure and the renewable power generator system are evaluated, discarding those configurations which don't meet the defined acceptable criteria for energy-efficiency, thermal isolation and water condensation risks.