Matches 1 - 50 out of 338 1 2 3 4 5 6 7 >
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7604094 Acoustic scatterer  
An acoustic scatterer element ( 10 ) incorporates a plurality of convex surfaces ( 38.1, 38.2 ) has a plurality of associated curvatures in a corresponding plurality of different directions. A...
7600609 Sound-absorbing panel and production method of the same  
In order to provide a sound-absorbing panel and a production method of the same which has excellent freedom of design and have small differences in the maximum sound-absorbing coefficients among...
7594365 Heating floor system  
Disclosed herein is a floor sound-insulating type heating system in which a floor sound-insulating structure for reducing the transmission of an impact sound from upstairs to downstairs in an...
7591346 Sound absorptive multilayer composite  
A sound absorptive multilayer composite having an air-impermeable barrier, an air-permeable reinforcing core having an airflow resistance of at least about 100 mks Rayls and a thickness at least...
7571790 Sound absorption block and method of constructing the same  
A sound absorption block installed at a music box, a gymnasium, a studio, etc. to prevent sounds from being heard outside, and a method of constructing the same are disclosed. The present invention...
7565950 Sound suppression material and method  
A sound suppression method includes using a passive noise suppression technology to destructively interfere with a sound wave propagating through a structure at portions of the structure that are...
7546900 Panel assembly for traffic noise barrier wall  
A panel assembly for a traffic noise barrier wall of the type including opposing slots formed in pairs of vertically-mounted posts is described. The panel assembly includes a sheet, which may be...
7540354 Micro-perforated acoustic liner  
An example liner assembly includes a backing plate that supports a cellular structure covered by a perforated face sheet including a plurality of openings. Each of the plurality of openings is of a...
7520370 Combination acoustic diffuser and absorber and method of production thereof  
The present invention relates to a combination acoustic diffuser and absorber and method of production thereof. The diffuser has an acoustically reflective surface that may be made by the vacuum...
7510052 Acoustic septum cap honeycomb  
An acoustic structure that includes a honeycomb having cells in which septum caps are located. The septum caps are formed from sheets of acoustic material and include a resonator portion and a...
7503429 Acoustic panel assembly  
The invention relates to an acoustic panel assembly. There is a need for a simple and inexpensive acoustic panel assembly. An acoustic panel assembly includes a parent panel and an insert panel....
7467688 Multi-composite acoustic panel  
A multi-composite acoustic panel for application to walls or ceilings. The panel is made from 15 to 65% of particles of sawdust with a granulometry of 4 to 60 mesh, 25 to 75% of rubber crumb or...
7464791 Acoustic mats and methods for making the same  
Acoustic mats include a face layer and an absorptive layer having first and second surfaces wherein the second surface of the absorptive layer may be secured to said face layer. The mat further...
7464790 Sound insulation/absorption structure, and structure having these applied thereto  
A sound insulation/absorption structure, a sound insulation/absorption device, and a structure having these applied thereto and a member constituting the same, are capable of insulating or...
7451855 Acoustic absorbing device  
An acoustic absorbing device includes a housing having a chamber formed by an outer peripheral wall and a bottom wall, a hood engaged into the housing, an absorbing member engaged into the hood,...
7445084 Soundproof thermal shield  
The invention relates to a soundproof thermal shield ( 3 ), particularly for motor vehicles, comprising an aluminum support ( 4 ), a noise-absorbing layer ( 6 ) and an aluminum thermal covering ( 7...
7431128 Noise absorbing structure of instrument panel  
A noise absorbing structure of an instrument panel of a vehicle includes a first noise absorbing panel, provided in the instrument panel disposed in front of a driver seat of the vehicle, a second...
7416773 Sound absorbing body  
In order to provide a sound-absorbing body which has both a thin thickness and improved sound-absorption characteristics with regard to a low tone range sounds, the sound-absorbing body ( 1 )...
7410030 Soundproofing material for vehicle  
A soundproofing material for vehicle having a laminated structure comprising two sound absorbing layers and an interlayer interposed therebetween, characterized in that the interlayer is formed by...
7395898 Sound attenuating structures  
There is disclosed a sound attenuation panel comprising, a rigid frame divided into a plurality of individual cells, a sheet of a flexible material, and a plurality of weights. Each weight is fixed...
7322440 Ultralight trim composite  
An ultra light, noise reducing composite ( 1 ) comprises an acoustically transparent, light weight film ( 6 ) between an underlay layer ( 5 ) and an air flow resistance layer ( 4 ). This composite...
7320739 Sound absorptive multilayer composite  
A sound absorptive multilayer composite having an air-impermeable barrier, an air-permeable reinforcing core having an airflow resistance of at least about 100 mks Rayls and a thickness at least...
7318499 Noise suppression structure and method of making the same  
An integrated noise suppression acoustic panel includes a back plate, a face plate, and a bulk foam absorber disposed between the back plate and the face plate. The bulk foam absorber is formed of...
7318498 Decorative interior sound absorbing panel  
A multi-layered fiber reinforced thermoplastic sound absorbing panel includes a porous fiber reinforced thermoplastic core layer having a first surface and a second surface, and includes a...
7314114 Flat panel diffuser  
A device including a membrane having first and second faces; a first substrate disposed on the first face of the membrane and having (i) a plurality of first absorptive regions and (ii) a plurality...
7308965 Noise abatement wall  
A noise-absorbing device includes a substantially flat base and embossed and/or hollow elements each including at least one recess. This base reveals with the embossed and/or hollow elements, a...
7261182 Wide band sound diffuser with self regulated low frequency absorption and methods of mounting  
The present invention relates to an acoustical diffuser device, said apparatus comprising the main body from FIG. 1 and two lateral rigid supports ( 5 ), glued to the inside of the said diffuser...
7201253 Soundproofing assembly and a part comprising a wall which if covered with said assembly  
A soundproofing assembly intended, in particular, to soundproof a motor vehicle. The inventive assembly includes four stacked layers, consisting respectively of: a first layer having an air...
7137477 Sound absorbers  
The present invention relates to a sound absorber consisting of a first non-woven fabric facing towards the sound-emitting source having a layer thickness within a range of from 2 to 15 mm, a...
7121380 Soundproofing laminated window for vehicles  
A method of acoustically attenuating noises of structure-borne origin in an article of manufacture by installing a laminated window having a glass sheet and an intermediate film, where the film has...
RE39260 Thermal and acoustical insulating shield  
A flexible, adhesively attachable, self-sealing, thermal and acoustical insulating shield has a needled, flexible, fibrous batt having an insulating layer of insulating fibers disposed between...
7070848 Vehicle acoustic barrier  
An acoustic barrier that achieves excellent noise insulating properties, and is relatively thin and relatively light in weight includes a flexible thermoplastic barrier layer having a plurality of...
7033963 Acoustical panel coating and process of applying same  
A coating composition and process of applying the coating to a substrate are provided herein. The coating composition includes filler particles, binder and a liquid carrier, such as water. The...
RE39010 Lightweight acoustical system  
An improved acoustical system for inhibiting noise in a motor vehicle. The system comprises an impermeable layer and an underlayment adjacent to the impermeable layer. The underlayment includes a...
7000729 Five-layer sound absorbing pad: improved acoustical absorber  
An acoustical absorber, having the structure: scrim/film/batt/film/scrim. Preferably, the batt is made from about 60% to about 90% by weight natural fiber and about 10% to about 40% synthetic...
6983822 Sound absorptive protective mat  
The present invention concerns an automotive protective mat ( 1 ), also known as throw in mat or protective mat. This mat comprises a microporous stiffening layer ( 2 ) (acoustical membrane). This...
6966402 Acoustical heat shield  
A heat shield includes an inner portion, an outer portion, first and second insulating portions, and a deflecting portion. The inner portion includes a reflective material to reflect thermal energy...
6953105 Damping foil consisting of several layers and a method for producing same  
A multi-layer damping foil having a perforated lower layer facing towards a part to be damped, with properties which are suitable for adhering the damping foil onto the part. A non-perforated upper...
6951264 Acoustically attenuating headliner and method for making same  
The present invention is directed toward providing a headliner for a motor vehicle comprising an interior layer adapted to present a surface that is exposed to the interior of the vehicle, a...
6893711 Acoustical insulation material containing fine thermoplastic fibers  
The present invention relates an acoustical insulation material for sound attenuation containing a nonwoven web. Surprisingly, it has been discovered that an acoustical insulation material made...
6892856 Sound radiating structure, acoustic room and sound scattering method  
Sound radiating structure includes a plurality of pipes each defining an inner cavity along the length of the pipe. Each of the pipes has an end opening at one end and is closed at the other end...
6877585 Acoustical ceiling tiles  
A system for improved sound absorption, including a substrate of porous insulation material and of a first air flow resistance, and a facing material attached to the substrate and of a second air...
6868940 Sound absorbing panel  
A sound absorbing panel comprising a standoff layer disposed between a back plate and a screen. The standoff layer supports the screen at a standoff distance from the back plate. The standoff...
6851515 Soundproofing panel, in particular structural or lining panel for a rotorcraft  
The invention concerns a sound-proofing panel, in particular a rotorcraft structural or lining panel: the sound-proofing panel ( 1 ) comprises at least two opposite plates ( 2, 3, 5, 6 ) forming...
6845841 Acoustic isolator  
An acoustic isolator is placeable between a sound producing body and a resting surface. The acoustic isolator includes a foam member having a first surface for receiving the sound producing body...
6832810 Flexible headliner for automotive vehicle  
This invention relates to a flexible headliner for an automotive vehicle. The headliner includes a flexible foam core layer having a nominal thickness of greater than 5 millimeters. A cover layer...
6793037 Structured molded parts for sound absorption  
Structured pre-form bodies as panel lining for wide-band sound absorption are made of an open-cell foam material having a rigid framework co-vibrating in a resonant manner at low frequencies. The...
6772856 Fine jet control-type sound absorption system  
The fine jet control type sound absorption system of this invention, aimed at absorbing low-frequency sound with both discrete frequency and broadband frequency to the same degree as already...
6769512 Acoustical insulation laminate with polyolefin layer and process for making  
An acoustical insulation laminate having a porous polyolefin layer and a process for making the laminate. The laminate preferably includes a porous multiple density polyolefin film, a sound...
6758305 Combination sound-deadening board  
A sound-deadening laminate, comprising a structural skin having a first face; and a layer of sound-deadening material, wherein the material has an equivalent Young's Modulus between 50 and 600 psi...
Matches 1 - 50 out of 338 1 2 3 4 5 6 7 >