Abstract: A method to improve vibration isolation in semiconductor process level inhibits vibration frequencies transmitted though building structure from production tools, pumps, compressors, chillers, AHUs (Air Handling Units), and footfalls traffic on raised floor system on to tool pedestals and pads from affecting semiconductor fabrication processes. The tool pedestal/pad for modern semiconductor FABs are required have very small tolerance to ambient vibration. Therefore, reduction and isolation of vibration of tool pedestal/pad is the key requirement for safe, reliable and uninterrupted operation of modern semiconductor FABs. Sound proofing material and foam is injected into hollow steel and/or aluminum support members and sound proofing adhesives and/or caulking are applied at points of connections in conjunction with mechanical fastening.

Abstract: The disclosure herein relates to a part of an aircraft structure including a portion of a floor structure and a portion of a hull structure, connected to one another by a connecting element. In accordance with, the disclosure herein the connecting element includes a flexible cable fixed at one of the ends thereof to the portion of a floor structure and fixed at the other, second of the ends thereof to the portion of a hull structure. When the connection between the portion of a floor structure and the portion of a hull structure is subjected to tensile load, the flexible cable makes it possible to meet the standards of resistance to forward accelerations of the aircraft. When the connection is subjected to compressive load, the flexible cable relaxes and bends, which limits the requirements of withstanding compressive stresses and therefore the weight of the connecting element.

Abstract: A meta atom for controlling acoustic parameters and metamaterials comprising the same, which includes a first resonator assembly having a pair of resonators configured of two resonators disposed apart from each other with respect to an axis direction; a second resonator assembly positioned inside the pair of resonators included in the first resonator assembly, and having at least one resonator; and partitions connected between the first resonator assembly and the second resonator assembly, and supporting the first and second resonator assembly.

Abstract: A method to improve vibration isolation in semiconductor process level inhibits vibration frequencies transmitted though building structure from production tools, pumps, compressors, chillers, AHUs (Air Handling Units), and footfalls traffic on raised floor system on to tool pedestals and pads from affecting semiconductor fabrication processes. Sound proofing material and foam is injected into hollow steel and/or aluminum support members and sound proofing adhesives and/or caulking are applied at points of connections in conjunction with mechanical fastening. In various applications, placement of shaped wielded rod utilized for dissipating vibration energy in center of hollow member which is surrounded with sound proofing material and/or foam. In addition, utilization of this method for dedicated MEP (mechanical, electrical, plumbing) support pedestal, only attach as support for MEP lines, as to improve isolation of low frequency vibration.

Abstract: What is described is a lightweight structural panel which comprises a planarly extended outer skin of given thickness and stiffening elements which are connected to this outer skin and are arranged at a given distance from one another. According to the invention, the outer skin is formed by component layers which are each extended in the planar direction of the lightweight structural panel and complement one another in the direction of thickness to form the thickness of the outer skin and are interconnected, the stiffening elements being formed in one piece with one of the component layers.

Abstract: Apparatus, systems, and methods for investigating a subsurface volume of interest from a borehole. Apparatus comprise an enclosure configured for conveyance along the borehole; an acoustic source in the enclosure configured to generate acoustic signals; a lens assembly disposed in the enclosure and next to the acoustic source, the lens assembly being formed of a plurality of cells, each cell formed as a column oriented transverse to a direction of travel of the acoustical signals. Each cell comprises a plurality of cell segments with each cell segment of the plurality comprising at least one arcuate wall and at least one radial finger, and wherein the cell segments are oriented in alignment with a rhodonea conformal mapping geometry in a plane transverse to the column to cause acoustic waves to travel at a different speed in each of three orthogonal directions.

Abstract: A sensing subassembly for use with a downhole tool comprises a housing, a cavity disposed within the housing, an electronic board disposed within the cavity, a stiffening member engaging the electronic board and configured to limit flexing of the electronic board, and a spring member configured to provide an isolation mount for the electronic board within the cavity.

Abstract: A multi-member assembly including a first structural member, a second structural member opposed from the first structural member, a crossover seal positioned between the first and second structural members, wherein the crossover seal defines a bore, and an end cap including a cap portion and a plug portion protruding from the cap portion, wherein the plug portion is at least partially received in the bore such that the cap portion bridges the first and second structural members.

Abstract: A hydraulically damping rubber bearing has a substantially hollow-cylindrical inner portion and an outer portion disposed with a predetermined spacing relative to the inner portion. A resilient connection portion is disposed between the inner portion and the outer portion and connects the outer portion to the inner portion. The resilient connection portion has a first hydraulic damping circuit with at least two first fluid chambers which are in fluid communication with each other by means of a first flow connection. The first hydraulic damping circuit has a damping action in a predetermined direction. A second hydraulic damping circuit provides a damping action in the same predetermined direction as the first hydraulic damping circuit.

Abstract: A film for conveying in an industrial process, industrial fabrics made from the film, and methods of manufacture. The film has a plurality of protrusions separated by land areas. Each protrusion comprises a top member having opposing lateral edges and is supported by opposed compression resistant first and second end walls, which with at least one of the lateral edges define an aperture extending through the film to provide a flow path. The base edge of each end wall has a configuration selected from at least one of the base edge being convexly curved away from the protrusion body; and each end wall extending below at least a part of each of the first and second lateral edges and being connected to each of the first and second lateral edges. The film structure provides physical properties equivalent to a woven fabric, with improved strength, stability and compression resistance.

Abstract: Provided is a fusible link unit in which a case includes case-side locking portions to be locked in a fusible link so as to affix the fusible link, the fusible link includes fusible link-side locking portions locked in the case-side locking portions, the fusible link-side locking portion on one side in a longitudinal direction is provided closer to a connected position of a bus bar than the fusible link-side locking portion on the other side in the longitudinal direction, and a gap size between the fusible link-side locking portion on the one side and the case-side locking portion in a vertical direction is made greater than a gap size between the fusible link-side locking portion on the other side and the case-side locking portion in the vertical direction.

Abstract: Adhesive damping systems are described. A damping system for reducing the effects on a substrate caused by a disruption in the substrate environment includes an adhesive having a plurality of three-dimensional nanoparticles dispersed therein. The nanoparticles are configured to provide a controlled response to an applied force field. The system further includes a sensor which measures an amplitude and frequency spectrum of the disruption. In a use configuration, the sensor determines the amplitude and frequency spectrum of the disruption received by the substrate; and the applied force field is dependent on the amplitude and frequency spectrum of the disruption.

Abstract: An acoustic paint to be applied to the walls of a room in which a source of audible sound is located to improve the acoustic characteristics of the room and correspondingly improve the clarity (e.g., the warmth, richness and detail) of the sound that is generated by the source and detected by the ear of a listener located within the room. The acoustic paint includes a paint foundation into which is mixed a powdered piezoelectric material or a powdered non-piezoelectric crystalline material having a resonant frequency so that the powdered material will react to the sound generated within the room and thereby control the room acoustics depending upon the type of material and the resonant frequency thereof. An optional catalyst, such as an electrically conductive powdered graphite or powdered graphene, is mixed into the paint foundation. The mixture is stirred and then applied to the walls of the room by means of a brush, a roller, or the like.

Abstract: A fan containment system includes an annular casing element and a hook projecting in a generally radially inward direction from the annular casing element. A fan track liner is connected to the hook via a fastener. The fan track liner has a forward end proximal to the hook and a rearward end distal to the hook. A pivot member protrudes radially inward from the annular casing element and is arranged and positioned between the forward and rearward end of the fan track liner such that a forward portion of the fan track liner is pivotable about the pivot member, so that upon release of a fan blade the forward portion of the fan track liner pivots about the pivot member into a voidal region provided between the annular casing element and the forward portion of the fan track liner to encourage engagement of the hook with a released fan blade.

Abstract: Sound attenuation is performed using a sound attenuation panel using an electromagnetic or electrostatic response unit to modify resonance. The sound attenuation panel has an acoustically transparent planar, rigid frame divided into a plurality of individual cells configured for attenuating sound. In one configuration, each cell has a weight fixed to the membrane. The planar geometry of each said individual cell, the flexibility of the membrane, and the weight establish a base resonant frequency for sound attenuation. The electromagnetic or electrostatic response unit is configured to modify the resonant frequency of the cell.

Abstract: Attenuators are introduced that offer quiet, enhanced sound quality for interior of enclosures than previous devices. An acoustical rating system for the levels of sound propagation through glass windows/windshields is introduced for the building and construction industry. Just as windows and insulation have an R-value to define the temperature energy efficiency of the interior of a room, an A-Rating™ system would define the acoustical energy efficiency of an enclosure space. In the summer, the higher the R-value, the less cool air that escapes a room through a window (and the less heat that penetrates into the interior), thus keeping the room cooler with less energy.

Abstract: A method for controlling structure-borne noise based on a combined-type vibration isolation device includes the following steps: S1: determining a combined-type vibration isolation device as required according to parameters of a mechanical device to be isolated, and installing the combined-type vibration isolation device on a horizontal bearing surface; S2: vertically placing the mechanical device to be isolated on the combined-type vibration isolation device; S3: adjusting a mass of an intermediate balance weight block of the combined-type vibration isolation device; and S4: adjusting an inherent frequency of the combined-type vibration isolation device to be lower than a structural vibration sound transmission frequency generated in the operation of the mechanical device to be isolated.

Abstract: A substantially acoustically transparent planar, rigid frame divided into a plurality of individual, substantially two-dimensional cells is used to construct a sound absorption panel. A sheet of a flexible material is fixed to the rigid frame, and a plurality of platelets fixed to the sheet of flexible material such that each cell is provided with a respective platelet, thereby establishing a resonant frequency, establishing an increase in an absorption coefficient of the panel. The flexible material has a wrinkle or corrugation to permit distortion with reduced material elasticity. The wrinkle or corrugation permits the flexible material to distort beyond that afforded by a planar material of the same type, while retaining mechanical strength in supporting the plurality of platelets.

Abstract: A method of manufacturing a wheel guard may include injection-molding an adhesive layer, bonding an outer layer including a non-woven fabric and a sound-absorbing layer including thermoplastic resin with the adhesive layer in between, and forming the layers into a predetermined shape of the wheel guard, with the outer layer and the sound-absorbing layer bonded by the adhesive layer. The thickness of the outer layer may be 2 to 10 mm, the thickness of the adhesive layer may be 0.1 to 2 mm, and the thickness of the sound-absorbing layer may be 2 to 10 mm, before the bonding. A specific heat treatment layer may be formed on a non-adhesive side of the outer layer and may have an LM FIBER, a film, or a sheet.

Abstract: In one or more embodiments, a vehicle frame joint assembly includes a first frame portion including an adaptor, a second frame portion defining a cavity to receive at least a portion of the adaptor, and a first adhesive layer positioned between the adaptor and the cavity when the first frame portion is connected to the second frame portion.

Abstract: Disclosed is a structure for reducing noise of a ventilating fan. The structure includes an orifice plate fixed on a scroll casing and is shaped to be an annular and semi-surrounding hollow structure in order to match with the shape of an air inlet of the scroll casing, and to cover only the air inlet of the scroll casing. The noise generated by an air blower of the ventilating fan can be directed along a bell mouth of the scroll casing of the ventilating fan after being emitted from the air inlet of the scroll casing, and then can be smoothly sucked by the orifice plate. The sucked-in noise can repeatedly collide with the orifice plate and be diffused, thereby the energy being gradually weakened and the sound pressure thereof being decreased.

Abstract: An integral multilayer joint seal system. Layers of foam, layered co-planar to the adjacent surface, are interspersed with a barrier layer. The foam layers may be uncompressed or partially compressed at the time of joint formation and may be composed of open or closed, or hybrid, cell foam. The foam may be impregnated with a fire retardant or may be composed of a fire retardant material, if desired. The barrier may have a tensile strength greater than the adjacent foam and may be different in dimensions from the layers of foam. The joint may have an elastomer, such as silicone, at its top and/or bottom, and may even include an elastomer layer within or about the barrier.

Abstract: A bumper arrangement for a motor vehicle having a crossmember which can be coupled to longitudinal members via crash boxes, wherein the crash boxes are arranged between the crossmember and a flange plate which is assigned to the respective crash box and which is designed to couple to a longitudinal member is provided. In this context, each crash box is assigned at least one strut which is supported both on in each case one end of the crash box pointing away from the crossmember and/or a flange plate as well as on the crossmember, wherein the at least one strut is arranged in the longitudinal extent of the crossmember between two crash boxes and has at least one predefined deformation point.

Abstract: A first orifice provides a connection between a first liquid chamber and a third liquid chamber that are formed in pairs to cause a volume variation in an opposite direction, and a second orifice provides a connection between a second liquid chamber and a fourth liquid chamber. A first communicating passage communicates between a second liquid chamber side portion of the second orifice and a second liquid chamber neighboring portion of the first orifice. In order of height of an input vibration frequency, a first resonance in the first orifice, a second resonance mainly in the second orifice between an enlarged liquid chamber consisting of the first and second liquid chambers, and the fourth liquid chamber, and a third resonance in a location that the first liquid chamber is connected through the first communicating passage to the second liquid chamber are produced.

Abstract: A soundproofing covering (10) having resonators (30). Said covering (10) comprises a trellis (20) provided with at least two resonators (30) and at least one stud (50) for fastening at least two resonators (30) to a panel (5) that is to be treated, each resonator (30) including a blade (31) extending longitudinally in a plane (P1) from one end (32) of the resonator (30) that is fastened to a stud (50) to another end (33) of the resonator (30), said blade (31) having at least one transverse protuberance (35) for oscillating in an elevation direction (D1) perpendicular to said plane (P1), each stud (50) extending in elevation from a face for securing to the panel (5) that is to be treated towards each resonator (30) fastened to the stud (50), at least one stud (50) having damper means (60) interposed between said face and each of the resonators (30) fastened to the stud.

Abstract: A microstructured reconfigurable or morphing composite material with controlled anisotropic deformation properties. The composite material provides highly controlled deformation and stiffness properties. Microscopic three dimensional structures are included in the composite material to control its deformation kinematics and stiffness properties. The composite material has highly segregated in-plane and out-of-plane stiffness properties.

Abstract: Disclosed is a passive noise cancelling assembly suitable for reducing exhaust drone from an exhaust system, whereby one or more tuning rods or tuning assemblies are disposed between two exhaust pipes of the system to cancel out or shift the target frequencies thereof. One or more elongated tuning rods are sandwiched between a first and second support plate, wherein a carrier rod extends through the assembly and connects to the exhaust pipes at its ends. An alternative embodiment contemplates smaller tuning rod subassemblies that include shorter tuning rods and a pair of support plates, whereby several subassemblies are supported along a single support rod. The modes of the assembly are controlled by the stiffness of the tuning rods, and its connection between the exhaust pipes attenuates exhaust modes creating audible drone.

Abstract: Tire including a crown, sidewalls extending the crown on each side, these sidewalls being connected to beads intended to be in contact with a mounting rim on which the tire is mounted, this tire having an internal wall delimiting, with the mounting rim, an internal cavity to allow the tire to be inflated. This tire includes, over at least part of its internal wall delimiting the internal cavity, a plurality of protrusions of elongate shape forming a dense coating, this tire being characterized in that these protrusions of elongate shape include a plurality of supporting fibers and a plurality of branching fibers, the branching fibers being attached to the supporting fibers, each supporting fiber having two ends, of which at least one is attached to the internal wall of the tire.

Abstract: The invention relates to a method for the reduction of the natural vibration (resonance) of a component (2). According to the invention a vibration behavior of component (2) is determined, wherein to each of the positions having vibration amplitudes, which exceed a preset threshold value, an attenuation element (1) is locally mounted, which is formed as a multilayered adhesive element including a support layer (1.1) and a self-adhesive damping mass. Moreover the invention relates to an attenuation element (1) for the reduction of the natural vibrations of a component (2). According to the invention the attenuation element (1) is formed as a multilayered adhesive element of a support layer (1.1) and a self-adhesive damping mass (1.2), wherein the support layer (1.1) is formed of a bend-resistant material and the damping mass (1.2) preferably is formed of butyl rubber.

Abstract: A tubing incorporated into a vehicle fuel tank system including an elongated and flexible tubular shaped body having a hollow interior exhibiting pluralities of alternating inner and outer diameter spaced locations. The inner diameter locations exhibit a first plurality of annularly projecting ribs, the outer diameter locations exhibiting a second plurality of ribs exhibiting a larger dimension. In this fashion, a plurality of individual tubing sections are incorporated into each of gas vapor (outflow) vent lines and fresh intake air (inflow) lines such that an inner airflow profile is established within the body to retard the generation of sound associated with volumetric airflow.

Abstract: A sensing subassembly for use with a downhole tool comprises a housing, a cavity disposed within the housing, an electronic board disposed within the cavity, a stiffening member engaging the electronic board and configured to limit flexing of the electronic board, and a spring member configured to provide an isolation mount for the electronic board within the cavity.

Abstract: A vibration absorbing mounting device may include an outer housing, a mounting shaft, a core, a first nozzle valve spaced apart from and disposed below the core, an inner housing spaced apart from one side and the other side of the core, with the first nozzle valve being mounted to the inner housing, and a chamber separator fixed to the core and brought into close contact with and sliding on the first nozzle valve, wherein the chamber separator forms a first chamber and a second chamber, and an elastic member formed between the core and the inner housing and between the inner housing and the outer housing, wherein fluid is filled in the first chamber and the second chamber, and a first nozzle fluidly-connecting the first and second chambers is formed in the first nozzle valve.

Abstract: A combustor liner may include an annular inner liner and an annular outer liner with a plurality of air holes thereon. The outer liner may be positioned circumferentially around the inner liner such that an annular cooling space is defined between the inner and the outer liner. The combustor liner may also include at least one resonator coupled to the outer liner such that a base of the resonator is separated from the outer liner to form a gap with an external surface of the outer liner. The combustor liner may also include a throat extending from the base of the resonator penetrating the inner liner and the outer liner. The combustor liner may further include a grommet assembly that allows for relative thermal expansion between the inner liner and the outer liner proximate the throat.

Abstract: An acoustic/vibrational energy absorption metamaterial includes at least one enclosed planar frame with an elastic membrane attached having one or more rigid plates are attached. The rigid plates have asymmetric shapes, with a substantially straight edge at the attachment to said elastic membrane, so that the rigid plate establishes a cell having a predetermined mass. Vibrational motions of the structure contain a number of resonant modes with tunable resonant frequencies.

Abstract: A wheel assembly for a vehicle includes a rim having a noise suppression device. The rim includes an outer radial surface that is concentrically disposed about a central axis. A tire is mounted to the rim to define a tire cavity between the outer radial surface of the rim and an interior surface of the tire. The noise suppression device includes a device wall that defines at least one resonator chamber, and includes a plurality of apertures allowing fluid communication between the tire cavity and the resonator chamber, with each of the plurality of apertures defining an opening area between the range of 0.03 mm2 and 0.8 mm2.

Abstract: Provided are: a noise reduction device with an improved adhesion of a noise absorbing member formed of a porous material and with a reduced processing time; a method of manufacturing the noise reduction device; and a pneumatic tire including the noise reduction device. The noise reduction device of the present invention includes: a noise absorbing member formed of a porous material; a band member for attaching the noise absorbing member to the inner surface of a tire; and locking members formed of a thermoplastic resin. The band member is formed of a thermoplastic resin. The noise absorbing member is disposed between the band member and the locking members. The locking members are bonded to the band member through the noise absorbing member by thermal fusion.

Abstract: A vibration absorbing mounting device may include an outer housing, a mounting shaft, a core, a first nozzle valve spaced apart from and disposed below the core, an inner housing spaced apart from one side and the other side of the core, with the first nozzle valve being mounted to the inner housing, and a chamber separator fixed to the core and brought into close contact with and sliding on the first nozzle valve, wherein the chamber separator forms a first chamber and a second chamber, and an elastic member formed between the core and the inner housing and between the inner housing and the outer housing, wherein fluid is filled in the first chamber and the second chamber, and a first nozzle fluidly-connecting the first and second chambers is formed in the first nozzle valve.

Abstract: A pneumatic tire including a noise reduction device in a cavity portion thereof. The noise reduction device has a noise absorbing member formed of a porous material; a band member for attaching the noise absorbing member to the inner surface of a tire; and locking members formed of a thermoplastic resin. Preferably, the band member is formed of a thermoplastic resin, and the noise absorbing member is disposed between the band member and the locking members. Also, the locking members are bonded to the band member through the noise absorbing member by thermal fusion, and the constituent material of the band member and the constituent material of the locking members are the same thermoplastic resin.

Abstract: The present invention has an object of providing a cushioning device having a stable and superb vibration-damping property and a metal cover attachable by use of the cushioning device. A cushioning device, which is to be located between an exhaust manifold as a vibration source and a heat insulator as a connection target and connects the exhaust manifold and the heat insulator to each other and cushions transmission of a vibration from the exhaust manifold to the heat insulator, includes a multi-stage coiled and spiral spring for cushioning the vibration, a grommet for joining the multi-stage coiled and spiral spring and the heat insulator to each other, and a collar member located between an attaching bolt tightened to the exhaust manifold and the multi-stage coiled and spiral spring. The multi-stage coiled and spiral spring is formed of a wiring member having a spiral shape as seen in a plan view.

Abstract: An insulating coating (1) with high damping power and suitable for being fastened to a structure (2). The coating comprises a dissipater mesh made up of a plurality of dissipater elements (3) and of nodes (4) with the bottom end (4?) of each node being fastened to said structure (2). Each dissipater element is secured to first and second nodes (6, 7). The bottom ends (4?) of said nodes (4) project from said dissipater elements (3) so as to be suitable for creating an empty space (5) between the dissipater elements (3) and said structure (2). In addition, at least one dissipater element (3) is provided with at least one branch (10, 20) provided with a heavy element (30, 31, 32). The heavy element (30, 31, 32) has a first mass that is greater than or equal to a second mass of said branch (10, 20).

Abstract: A phononic device is provided suitable for attenuating mechanical vibration, as well as acoustic vibration that propagate through a medium. Through the periodic inclusion of domains of a material in a matrix that vary in the ratio of the longitudinal speed of sound (CL) and the transverse speed of sound (CT) between the domains and the matrix of equal to or greater than 2.0 and 40, respectively; improved significant attenuation of vibration is achieved.

Abstract: A phononic device is provided suitable for attenuating mechanical vibration, as well as acoustic vibration that propagate through a medium. Through the periodic inclusion of domains of a material in a matrix that vary in the ratio of the longitudinal speed of sound (CL) and the transverse speed of sound (CT) between the domains and the matrix of equal to or greater than 2.0 and 40, respectively; improved significant attenuation of vibration is achieved.

Abstract: An acoustic barrier structure can include a support structure that defines a plurality of cells, a weight attached to the support structure, and at least one resonant membrane covering one of the plurality of cells. The at least one resonant membrane can comprise at least one weight. The at least one resonant membrane can have an anti-resonant frequency and the support structure with the weight can provide wide frequency band gaps between odd resonance modes while suppressing structure-membrane coupled modes to enable the anti-resonance of the at least one resonant membrane.

Abstract: A vibration-proof sound box includes a sound box, a first board unit, a speaker, a second board unit, and an engagement structure having a clasp, a holder and a vibration-absorption unit. The clasp has a base portion connected to the first board unit, two clasping arms extending from the base portion, and a clasping space formed between the clasping arms. The free end of each of the clasping arms is formed with a protruding clasping piece. The holder has an accommodating portion connected to the second board unit, and two clasping holes passing through the accommodating portion. The two clasping pieces respectively engage the two clasping holes. The vibration-absorption unit has a main body snugly disposed in the clasping space, and two extension portions extending from the main body. The two extension portions abut the inner wall of the holder.

Abstract: An end cap for an arc spring in a torsional vibration damper having a cylindrical section for engaging with the arc spring and a radial section at one end of the cylindrical section for engaging with an input or output side of the torsional vibration damper, the end cap being producible by shaping from a metal sheet. A torsional vibration damper for elastic transmission of torque between an input side and an output side including the described end cap for transmission of force between one of the sides and the arc spring.

Abstract: An improved vibration damping apparatus is provided for use with window structures, including windows used in vehicles, aircraft, and spacecraft. The vibration damping system includes at least two separate layers of solid material that are typically substantially clear at visible wavelengths, in which the two layers are spaced-apart by a predetermined distance to form a space or gap therebetween. This gap will be of a size and shape to enhance vibration damping when it is filled with a gaseous compound, such as air. The air-film vibration damping system created by the above structure can be applied to an external pane of a window structure, or to the interior pane of a window structure, or perhaps to both an exterior pane and an interior pane of the same window structure, if desired.

Abstract: A compressor assembly that has a compressed air tank having a vibration absorption member. The vibration absorption member can exert a pressure on a portion of the compressed air tank. A method of controlling sound emitted from a compressor assembly, by using a vibration absorber which applies a force against the compressed gas tank. Controlling the sound level of the compressed gas tank is accomplished by absorbing vibration from the compressed gas tank by which exerting a pressure on a portion of the compressed gas tank.

Abstract: A sensing subassembly for use with a downhole tool comprises a housing, a cavity disposed within the housing, an electronic board disposed within the cavity, a stiffening member engaging the electronic board and configured to limit flexing of the electronic board, and a spring member configured to provide an isolation mount for the electronic board within the cavity.

Abstract: An internal combustion engine having a connecting assembly for a cylinder head (2) includes at least one air- or gas-conducting part (4) that connects to at least one flow opening (3a) of the cylinder (2), in particular an exhaust manifold (5) or an intake manifold, and a sealing element (9) disposed between the air- or gas-conducting part (4) and the cylinder head (2). In order to reduce the assembly complexity and save installation space, at least one fastening means (7) for the air- or gas-conducting part (4) is disposed spatially separate from the sealing element (9).

Abstract: A tire cavity noise absorber has a body of sound absorbing material and a support. The absorber is arranged such that, when installed in a tire cavity and the tire is stationary, the support supports the body of sound absorbing material in a position spaced from the inside circumferential wall of the tire. The support may be flexible and allow the body of sound absorbing material to expand towards and contact the inside of the tire when the tire rotates.