Abstract: A dynamic acoustic ceiling baffle and a dynamic acoustic ceiling baffle system, that includes multiple shaped baffles that can be quickly and easily installed onto construction ceiling hangers without the need for additional tools, to provide an aesthetically pleasing image, such as an undulating image, along with a reduction in unwanted noise or room acoustics.

Abstract: A method for manufacturing an acoustic element of a sound absorption structure including at least one cylindrical, conical or truncated conical chamber obtained from a flat preform shaped and then assembled in order to obtain the cylindrical, conical or truncated conical shape of the chamber. This manufacturing method makes it possible to obtain an acoustic element that has thin walls and is made from a material suited to its environment. An acoustic element obtained using the manufacturing method, a sound absorption structure comprising at least one such acoustic element and an aircraft powerplant comprising at least one such structure are also described.

Abstract: Insulation panels for wall construction and roofing installation are characterized by inlaid battens in outer faces thereof by which multiple layers of insulation can be installed without thermal bridging. Second and any subsequent layers are each fastened only to the battens of the immediately underlying layer, without fully penetrating therethrough to the roof deck, building wrap or other substrate. Laminated facers of perforated character allow migration of moisture to and from a foam core of the panel, while internal channels and internal slots beneath the facer enable drainage/drying of excess moisture without material degradation of the inlaid battens. Additional drainage space within each layer is provided at inter-panel connections, where tongue and groove connections are configured to leave such drainage space open between the tongue and groove.

Abstract: Airborne acoustic absorbers include periodic arrays of Helmholtz resonators that are covered and/or partially filled with an acoustically absorptive material, such as a thermoplastic foam. The combined structures have much broader frequency ranges of high acoustic absorption than do structures having only Helmholtz resonators or acoustically absorbing foam.

Abstract: A sound isolation device includes at least one degenerate acoustic scatterer having a plurality of channels. The plurality of channels may include three or more channels. The channels have an open end and a terminal end, wherein the terminal ends of the channels are separate from one another. The at least one degenerate acoustic scatterer has an acoustic monopole response and an acoustic dipole response that have a substantially similar resonant frequency.

Abstract: A sound attenuation device for reducing noise generated by a leaf blower includes a shell, which is insulated and defines an interior space. A first cutout that is positioned in a front of the shell and a second cutout that extends from the front into a first side of the shell are shaped substantially complementarily to an engine compartment of a leaf blower and to a cross-sectional profile of a pipe of the leaf blower, respectively. The first cutout is configured to insert the engine compartment into the interior space so that the pipe extends from the shell through the second cutout. A coupler that is coupled to the shell proximate to the front is configured to couple the shell to the leaf blower so that the shell substantially encapsulates the engine compartment. The shell is configured to attenuate sound that is generated by an engine of the leaf blower.

Abstract: An acoustic system is disclosed. The acoustic system includes a number of acoustic panel sections having a variety of acoustic properties. Each acoustic panel section is configured to be mounted on an interior surface of a building and cooperates with the other acoustic panel sections to define a pattern on the interior surface of the building.

Abstract: A LED lighting system includes a soundproofing attachment, referred to as an acoustic shroud. The lighting system includes LED light fixtures with the acoustic shroud made from sound dampening materials formed into a sleeve or panels, which can be slipped on an off an LED light fixture unit. The system can include quick-release fasteners for affixing and removing the shroud from an uninstalled or installed light fixture. Quick-release fasteners can enable the attachment of the shroud to accommodate multiple types of light fixtures and installation methods, such a wall or suspended ceiling lighting designs, as well as allow for the adjustment of the position of the shroud in relationship to the LED light fixture unit.

Abstract: Methods and systems are provided for fabricating a composite structure. In one example, the composite structure may include a honeycomb core sandwiched between face sheets. An edge of the honeycomb core may be abraded and a top face sheet may be perforated. As such, a likelihood of delamination of the composite structure during a curing step may be reduced.

Abstract: The building panel (1) is adapted to be mounted at a ceiling or wall of a room so that a framework (2) of the building panel has a room-facing side (3) and a building-facing side (4). A textile (5) is extended over the room-facing side (3) of the framework (2) and has a first surface (6) facing the framework (2) and a second surface (7) generally visible from said room. A mesh (8) is laminated onto the first surface (6) of the textile (5) and is attached to the framework (2) by means of a number of connectors (9). Each connector (9) has a first end (10) in the form of a gripper inserted between a part of the mesh (8) and the textile (5) and a second end (13) attached to the framework (2).

Abstract: A ceiling structure includes a suspended framework having a plurality of main runners and a plurality of cross runners interconnected to define an array of tile receiving openings, each of the plurality of main runners and the plurality of cross runners including a tile mating surface facing downward to define a mounting frame at each respective tile receiving opening, and a plurality of ceiling tiles positioned within the array of tile receiving openings, each of the plurality of ceiling tiles having a main body. The main body of the ceiling tile includes a base having a periphery, a plurality of magnets positioned at the periphery and sized and shaped to magnetically couple the ceiling tile within a respective one of the tile receiving openings, and a plurality of baffles coupled to the base, each baffle being spaced apart from the other. Related methods, systems, and ceiling tiles are also provided.

Abstract: The present disclosure relates generally to cladding that forms an architectural surface, for example, suitable for forming a ceiling. The present disclosure relates more particularly to a cladding system including a plurality of flexible grid members arranged so as to form a grid that extends in at least two dimensions and includes grid cells that are delimited by the flexible grid members and a plurality of panels supported by the grid. At least a first portion of the panels are arranged so as to form an architectural surface.

Abstract: An acoustic treatment for an indoor HVAC component is provided having an inner liner and at least one aperture formed through the inner liner. An acoustic absorber is positioned adjacent the inner liner. A gap, including a width dimension, is formed between the inner liner and the acoustic absorber.

Abstract: An acoustical baffle system for suspension in an open plenum space comprising a plurality of parallel spaced carriers and a plurality of parallel spaced baffles suspended on and transverse to the carriers, the carriers having pairs of opposed, uniformly spaced grips on their lower faces, pairs of opposed grips being spaced along the carrier at a regular center-to-center distance greater than the spacing between a pair of opposed grips, the baffles having a relatively deep U-shaped cross-section with sides and a bottom between the sides, outwardly directed flanges at upper ends of the sides, the flanges being received in a respective pair of grips on each of a plurality of carriers.

Abstract: Described herein are methods for installing field-assembled flooring systems wherein the underlayment is a hybrid design that includes a combination of structural board and cementitious product. The hybrid design is configured to reduce or eliminate the curing time requirement after pouring the cementitious product (e.g., gypsum concrete). The field-assembled flooring systems can reduce or eliminate the chances of the onset of mold due to high moisture levels by removing the cementitious product from the prone areas and replacing it with structural boards. The structural boards (e.g., cellulose fiberboards) can be installed in non-critical areas such as underneath cabinets, around the perimeter of the floor, under bathtubs, in non-walk-in closets, anywhere drywall reaches the floor, or the like.

Abstract: A ceiling system for a clean room, a clean room ceiling and a method for constructing a ceiling for a clean room are provided. Inverted T-shaped beams support the ceiling from a building structure. A bracket attaches to a composite ceiling panel and engages a beam joint portion that extends in an upward direction from a beam leg. The beam joint portion and the composite periphery of the composite ceiling panel define a relief for solvent welding of a panel joint lower end of a composite ceiling panel to a beam joint lower end. A spring clip may resist vertical movement of the bracket with respect to the inverted T-shaped beam.

Abstract: An exterior panel includes: a metal sheet having a curved portion; a resin structure which includes a plurality of tubular bodies having the same length in a central axis direction, top surfaces covering respective one end portions of the tubular bodies, and base portions connecting respective the other end portions of the tubular bodies and is formed with the top surfaces being brought into close contact with and joined to the curved portion of the metal sheet; and a sheet member made of a resin or paper joined to the base portions of the resin structure, in which a relationship between a tensile elastic modulus E (N/mm2) and the thickness t (mm) of the sheet member satisfies Formula (1). 4.

Abstract: The invention relates to a device for re-cladding a removable panel comprising an outer face, an inner face situated on the opposite side to the outer face, and a peripheral edge joining the outer and inner faces, said re-cladding device is notable in that it comprises at least two cladding sections the vertical cross section of which is in the overall shape of a C and which are fixed facing one another along two respective opposing regions of said peripheral edge, and a fabric is kept stretched along the outer face of the removable panel by said cladding sections.

Abstract: A structural component for use in building construction including a first support material member, a second support material member, an insulating material, and a first securing member. The first support material member may have a first length and a first edge. The second support material member may have a second length and a second edge and may oppose the first support material member. The insulating material may be disposed between the first support material member and the second support material member. The first securing member may be adapted to contact the first edge and the second edge.

Abstract: An air handler and a method for assembling an air handler are provided, in which a case panel may be assembled with a plurality of module frames via a considerably simplified sliding coupling providing excellent hermetic sealing. As such, manufacturing costs may be reduced due to reduction in a number of components, and assembly time may be remarkably reduced due to a reduced number of assembly operations. This advantageously results in reduced labor cost and enhanced air conditioning efficiency.

Abstract: An air handler and a fan module for an air handier are provided. The fan module may include a plurality of box frames that form a framework of at least one fan box; a plurality of safety nets coupled to the framework of the at least one fan box formed by the plurality of box frames to form surfaces of the at least one fan box; and at least one box frame connector that interconnects neighboring one of the plurality of box frames to form the framework of the at least one fan box, wherein the at least one box frame connector has a fan box connection end configured to assist connection of the neighboring one of the plurality of fan boxes. As such, manufacturing costs may be reduced due to reduction in a number of components, and assembly time may be remarkably reduced due to a reduced number of assembly operations. This advantageously results in reduced labor cost and enhanced air conditioning efficiency.

Abstract: A clip assembly for a suspended ceiling having a ceiling panel and a runner comprises a top member and a bottom member. The top member has an upper wall for being secured to an overhead structure and a pair of lower spaced apart lateral walls downwardly extending from the upper wall. The lateral walls comprise respective outer surfaces and inner surfaces defining a channel therebetween. At least one inward fin extends from each of the inner surfaces into the channel in an upwardly sloped direction. The bottom member comprises a bottom end for being secured to the runner and opposite lateral surfaces therebetween. At least one outward fin extends from each of the lateral surfaces in a downwardly sloped direction that is complementary to the upward sloped direction of the at least one inward fin. The bottom member is inserted into the channel.

Abstract: A slat ceiling apparatus includes a frame and a plurality of slats spanning the frame. The frame includes first and second frame members, each having an inner side and an outer side. A plurality of slots are defined in the inner side of each frame member. Each slat includes first and second longitudinal ends. The first longitudinal end is positioned in a slot on the first frame member, and the second longitudinal end is positioned in a slot on the second frame member. A plurality of slats are arranged spanning the first and second frame members, each having longitudinal ends received in corresponding slots on the first and second frame members. The slats are arranged in a substantially parallel orientation in some embodiments, and a gap is provided between each slat.

Abstract: An acoustic liner that may be for a turbofan engine includes a first panel that may be non-permeable and a permeable panel spaced from the first panel. A non-permeable wall located between the first panel and the permeable panel faces in a first direction away from the first panel and a non-permeable wall, also between the panels, faces in a second direction away from the first panel and traversing the first direction. The liner may further include a plurality of sidewalls spaced from one-another, extending between the panels, and through the walls.

Abstract: The present invention relates to a room delimitation element, in particular to a door or a wall, which may be used for a sanitary room in vehicles or buildings.

Abstract: A method of installing a panel member on a frame assembly includes the steps of providing a panel member having inner and outer surfaces and providing one or more positioning assemblies on the inner surface of the panel. The positioning assemblies each having an adjustable positioning member adapted to engage a portion of the frame assembly. The method further includes setting the positioning members to determine a registration point for the panel member along the frame assembly. One or more driving assemblies are then provided on the inner surface of the panel, each having a biasing member adapted to engage a portion of the frame assembly to drive the panel member towards the registration point on the frame assembly.

Abstract: Insulation systems that provide insulation cavities below trusses of residential roofs. The insulation systems are configured to provide insulation material directly below bottommost surfaces of the roof trusses. The insulation systems may include insulation support material that provides insulation pockets below bottommost surfaces of roof trusses. Insulation support material may include side panel segments and span segments. The insulation support material may be attached to the roof trusses or sheathing panels from below the roof trusses and sheathing panels.

Abstract: A ceiling system in one embodiment includes a grid support member defining a bottom surface and a ceiling panel supported by the grid support member. A first facing sheet includes a peripheral edge portion coupled to the grid support member. The first grid support member is at least partially concealed by overlapping the peripheral edge portion of the first facing sheet onto the bottom surface of the grid support member. The first facing sheet is supported from the grid support member independently of the ceiling panel. A second facing sheet has a peripheral edge portion coupled to the grid support member. The first and second facing sheets have mating edges disposed adjacent to each other which conceal a majority or substantially the entire bottom surface of the grid support member. In one embodiment, the ceiling panel has a honeycomb core.

Abstract: A ceiling structure includes a suspended framework having a plurality of main runners and a plurality of cross runners interconnected to define an array of tile receiving openings and a plurality of ceiling tiles positioned within the array of tile receiving openings, each of the plurality of ceiling tiles having a plurality of magnets positioned at a peripheral portion thereof which are configured to magnetically couple the ceiling tile within a respective one of the tile receiving openings with the ceiling tile abutting a respective mounting frame. Related methods are also provided.

Abstract: A soundproof panel connection structure including: a plurality of posts spaced apart from each other on the floor by a given distance; a plurality of soundproof panels each located between the neighboring posts and having fastening portions disposed on both end portions thereof; bending portions each extended from one side surface of each soundproof panel; soundproof materials each interposed between each fastening portion and each bending portion in such a manner as to be supportedly brought on one surface thereof into contact with one side surface of each post; and a plurality of connection joints each coupled on both ends thereof to the fastening portions disposed on both side surfaces of each post, wherein the post located at the corner portion in the plurality of posts has supports located at the outer surfaces thereof.

Abstract: A panel-like/sheet-like finishing element (11) for covering floors and walls, for example in the renovation of old buildings, is provided with heat-insulating and sound-absorbing properties if its interior (15) is provided, between outer covering layers (12, 13), with channel-forming undulating supporting structures (16) filled with high-density coarse granules (21). The supporting structures (16) are connected to the covering layers (12, 13) along the vertex lines (17) so as to provide wet-strength action, and the interior (15), between these covering layers, is sealed by enclosing edging strips (19) to provide wet-strength action, with the simultaneous inclusion of moisture-tight, but vapour-permeable, supporting layers (20) on covering layers (12, 13). If this finishing element (11) is mounted vertically, the granule-filled channels (14) run horizontally.

Abstract: An acoustically absorptive panel comprises a forward airspace bounded by an acoustically transparent front fabric stretch-mounted on a support frame, and the front face of a porous acoustical absorber, the forward air space, the front fabric and the porous absorber collectively acting as acoustical absorbing chamber, wherein oppositely disposed end panels of the front fabric extend around opposing side frame members of one or more frame structures of the support frame and are connected to a pair of spaced apart retaining struts disposed between the side frame members, the distance between the retaining struts adjustable by rotating one or more threaded tension adjusters thereby stretching or relaxing the front fabric across the support frame to adjust the frequency at which sound absorption will be maximized.

Abstract: A multi-layer assembly, such as a sound damping metal laminate used in the automotive industry, having first and second rigid layers and an adhesive layer in between. A retention feature in the form of a raised embossment may be formed in one or more of the rigid layers and may be located near a fastening hole, which accommodates a nut and bolt or some other type of fastening device. The retention feature may impart rigidity and improved stiffness to the multi-layer assembly in the area surrounding the fastening hole, and it may also create a space between the rigid layers that is generally devoid of adhesive from the adhesive layer. This, in turn, can improve the long term performance of the multi-layer assembly by addressing issues such as compression set, spring back and/or stress relaxation. Methods of manufacture and other embodiments are also provided, including ones that accommodate multiple fastening holes, have discontinuous retention features, and use welds in place of nuts and bolts, to name a few.

Abstract: A mobile terminal booth which provides an area where a mobile terminal can be comfortably used is described. This mobile terminal booth is provided with a sound absorbing unit which is placed in a public place and partially partitions a space as viewed from the above where a user of a mobile terminal can have a telephone conversation. The sound absorbing unit is provided with an entrance which is always opened without any closing member. The sound absorbing unit is made of a laminate consisting of a plurality of sound absorbing layers, and serves as a sound controlling means. Particularly, the sound absorbing layers are joined together in the form of the laminate with a viscous adhesive which does not solidify after formation of said laminate, maintains its viscosity when the mobile terminal booth is used and functions as said sound controlling member.

Abstract: Building materials include a dampening layer which contains a plaster and a viscoelastic polymer, such as polyvinyl butyral. The dampening layer may also include a barium salt. Methods of making a sound dampening material include providing a plaster mixture. The mixture may include a viscoelastic polymer and/or a barium salt. The plaster mixture is combined with water and/or a viscoelastic polymer dispersion, to form a slurry. The slurry is applied to a surface and set to form a sound dampening layer.

Abstract: A mobile terminal booth which provides an area where a mobile terminal can be comfortably used is described. This mobile terminal booth is provided with a sound absorbing unit which is placed in a public place and partially partitions a space as viewed from the above where a user of a mobile terminal can have a telephone conversation. The sound absorbing unit is provided with an entrance which is always opened without any closing member. The sound absorbing unit is made of a laminate consisting of a plurality of sound absorbing layers, and serves as a sound controlling means. Particularly, the sound absorbing layers are joined together in the form of the laminate with a viscous adhesive which does not solidify after formation of said laminate, maintains its viscosity when the mobile terminal booth is used and functions as said sound controlling member.

Abstract: A mobile terminal booth which provides an area where a mobile terminal can be comfortably used is described. This mobile terminal booth is provided with a sound absorbing unit which is placed in a public place and partially partitions a space as viewed from the above where a user of a mobile terminal can have a telephone conversation. The sound absorbing unit is provided with an entrance which is always opened without any closing member. The sound absorbing unit is made of a laminate consisting of a plurality of sound absorbing layers, and serves as a sound controlling means. Particularly, the sound absorbing layers are joined together in the form of the laminate with a viscous adhesive which does not solidify after formation of said laminate, maintains its viscosity when the mobile terminal booth is used and functions as said sound controlling member.

Abstract: The present invention relates to an assembly wall having improved sound absorption/insulation performance and an assembly structure thereof. The assembly wall includes plate members separated from each other to face each other and each forming at least one layer; stud members alternately placed on different inner surfaces of the plate members and comprising a web formed with a plurality of first perforated holes having at least one diameter; an insulation member interposed in a space defined between the plate members and the stud members; and a sheet member adjoining an outer surface of the insulation member and being formed with a plurality of second perforated holes having at least one diameter. With this structure, the assembly wall has excellent sound absorption and insulation performance over various frequency bands including a low frequency band without increasing wall thickness.

Abstract: A sound transmission, material is made of fibers entangled with each other and has a self-standing property and a high performance sound transmission property, namely the Taber stiffness is not less than 5 mN·m, the bending resistance is not less than 100 mN, the porosity is not less than 50%, and the thickness is not more than 3 mm.

Abstract: An apparatus and method is disclosed for an improved acoustic panel comprising a sound absorbing member defined by a first and second face surface and a plurality of peripheral edges. A sound blocking member is defined by a first and second face surface and a plurality of peripheral edge. The first face surface of the sound blocking member is secured relative to the second face surface of the sound absorbing member for blocking the transmission of sound therethrough. In another embodiment, the first face surface of the sound blocking member is spaced relative to the second face surface of the sound absorbing member for decoupling the sound blocking member from the sound absorbing member.

Abstract: A portable and storable device for acoustic modification with segments foldable back upon each other.

Abstract: A support membrane designed to be arranged with a covering that can be applied to bearing areas such as floors or even under and on concrete screeds for a floor is provided. Said membrane can also be used in the composition of ceilings and in the composition of residential walls. The membrane includes a base layer made of fibers and designed to be arranged directly on the bearing area so as to absorb sound waves and to level the irregularities of the bearing area, a vapor barrier-anchoring membrane, and optionally an underlay designed to receive the covering and provide an anchor for the finishing products. Said support membrane is characterized in that the vapor barrier-anchoring membrane thereof is applied in liquid form by hot-melting directly on the base layer and on the underlay whenever the latter is used.

Abstract: An acoustic absorber includes a wall provided with a plurality of apertures as well as a substantially non-perforated second wall, with the first wall and the second wall being spacedly arranged to one another, and at least one honeycomb structure being provided between the walls, with the honeycomb structure having a substantially cylindrical recess in at least one area, with a funnel element opening to the first and second walls being provided in the recess, and having a height greater than the distance of the walls, with the second wall being designed pot-like in the area of the funnel element.

Abstract: The invention is a wall for interior architecture, particularly for partitioning adjacent rooms, comprising a substantially rigid frame (2) suited to define an external perimeter surface (4) of the wall (1), and one pair of opposite faces (3) constrained to the rigid frame (2) and made of a flexible material. In particular, the opposite faces (3) comprise elastic constraining means (5) suited to maintain them tensioned and substantially parallel to a geometrical plane, while the rigid frame (2) and the opposite tensioned faces (3) delimit an internal hollow region (6).

Abstract: The aim of the invention is to improve acoustic insulation panels of the prior art by proposing a rigid, light panel, the acoustical absorption performance of which is improved thanks to the use of a grid the structure of which enables the same to contribute to the noise absorption function. To this end, the present invention relates to an acoustic insulation panel including two facing panels (2, 4), separated by a solid structure (6) that is substantially planar and has two surfaces (7b, 7c) that are substantially planar and parallel, each of which are rigidly connected to a facing panel, said structure (6) including through-holes (6a) that form a mesh, such that the meshed structure contributes to the noise absorption function.

Abstract: A sound control mat, comprising: a resilient layer of extruded polymer monofilaments, and a fiberglass scrim adhered to the resilient layer. A floor assembly employing the foregoing sound control mat is disclosed.

Abstract: The invention relates to a composite sandwich panel (1) comprising at least a web (2) provided between an inner skin (3) and an outer skin (4), each skin being made of a composite material from a plurality of fibrous plies (5, 6, 7, 8), characterized in that a portion of the plies of the inner skin and/or of the outer skin each extends at least partially through the web at an uninterrupted area thereof in order to form together a through-reinforcement (9) extending from the inner skin to the outer skin of the composite sandwich panel. The invention further relates to an aircraft element including such a composite sandwich panel.

Abstract: An inflatable, noise attenuating panel or barrier, comprised of an inflatable air chamber coated with (wrapped in or attached thereto) an acoustic barrier material, with which to construct a variety of structures that benefit from a degree of soundproofing.

Abstract: A noise abatement wall includes a frame defining a window, at least one shell, at least one sheet of sound-insulating material and a sheet of screen material. The at least one shell has a base panel portion and a peripheral panel portion integrally formed with and extending perpendicularly from the base panel portion to surround the base panel portion thereby forming a shell cavity. The at least one shell is sized and configured to be received by the window in a close-fitting relationship therewith and is connected to the frame. The at least one sheet of sound-insulating material is disposed in and occupies the shell cavity. The sheet of screen material covers the at least one sheet of sound-insulating material and is connected to the frame. A plurality of noise abatement walls are connected together to form a noise abatement wall system for abating noise generated from stationary noise-generating equipment.

Abstract: The present invention includes a layered acoustical system for sound attenuation in a vehicle including an external decorative layer; a moldable fiber backer adhesively adhered to a back side of the decorative layer, the moldable fiber backer further including an engineered fiber blend including one or more types of thermoplastic fibers and having a first density; a moldable lofted sound absorber and vibration decoupling layer including being made from another engineered fiber blend including one or more types of thermoplastic fibers and having a second density that is less than the first density of the moldable backer, a top side of the vibration decoupling layer being adhesively adhered to the second side of the moldable fiber backer; and an intermediate layer embedded in a location within the vibration decoupling layer to achieve a balance point between transmission loss and sound absorption.