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7604095 Thermal-acoustic enclosure  
An enclosure having at least one wall, the wall includes an inner panel comprising, in sequence outwardly from the enclosure hollow interior, an inner sheet comprising a plurality of perforations...
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...
7578468 Acoustic absorption system for an aircraft airframe  
An airframe includes a mass barrier layer mounted to a multitude of frame members and adjacent to each of a multitude of foam portions to provide a contiguous layer to seal the foam portions within...
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...
7562743 Acoustical window and door covering  
An acoustical dampening barrier, for an opening in a wall, that is translatable to an open position to allow access to the opening, the fixed barrier including a first barrier layer made of at...
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...
7520369 Soundproofing panel with beads, and a method of manufacture  
A soundproofing panel having a core sandwiched between a solid wall and a porous wall. The core being connected to the walls and having partitions extending in the thickness direction between the...
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...
7503430 Reduced dust acoustic panel  
An acoustical panel includes an acoustical layer having an interlocking matrix of calcium sulfate dihydrate, polyethylene glycol and at least one of the group fibers, a lightweight aggregate and...
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....
7503428 Acoustic panel  
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...
7503424 Vehicle cab noise suppressing system  
A vehicle cab noise suppressing system includes a cab interior panel having an opening exposed to acoustic noise in the cab, an acoustic resonator chamber, and a conduit communicating the resonator...
7500541 Acoustic material with liquid repellency  
A nonwoven acoustic insulating material which also provides repellency to water and low surface tension fluids. Also disclosed is a method for attenuating transmitted sound and repelling fluids...
7497509 Exterior component  
A fender liner includes a surface layer serving as the outermost layer and an inner layer located between the surface layer and the outer surface of a wheel well. The surface layer and the inner...
7484593 Acoustic structure and method of manufacturing thereof  
There is provided an acoustic structure and a method of manufacturing such acoustic structure. The acoustic structure comprises at least one uncured facesheet ply defining a plurality of...
7484592 Sound attenuation panel comprising a resistive layer with reinforced structural component  
A sound attenuation panel includes a resistive layer with a reinforced structural component, comprising at least a honeycomb structure ( 1 ) flanked, on one side, with a resistive layer ( 2 )...
7484589 Apparatus and method for reducing aircraft noise and acoustic fatigue  
An apparatus and method is provided for attenuating aerospace engine noise and unsteady pressure fluctuations associated with high velocity exhaust flows. The apparatus and method reduce acoustic...
7467687 Thermal—acoustic enclosure  
An enclosure for apparatus that, during operation, generates heat and/or sound energy comprises at least one wall defining at least a portion of the enclosure hollow interior. The wall comprises in...
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...
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...
7434660 Perforated soundproof structure and method of manufacturing the same  
A perforated soundproof structure is formed by oppositely arranging an external plate 1 and an internal plate 2 having a number of through-holes 2 a . The board thickness, hole diameter and...
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...
7412801 Sound absorbing panel  
A sound absorbing panel comprising a generally rectangular mat of sound absorbing material, a plastic non woven covering at the frontal mat surface facing towards the sound insulated space and a...
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...
7401682 Architecture for an acoustic liner  
An acoustic liner 20 includes a remote panel 26 , a perforated proximate panel 22 transversely spaced from the remote panel and one or more partitions 32 spanning across the space between...
7398856 Acoustical and firewall barrier assembly  
The present invention provides an acoustical firewall attenuating assembly. The assembly includes a first frame assembly having a first plate, a second plate and a first plurality of elongate...
7364014 Sound absorbing body, sound absorbing structural body, and method of manufacturing these bodies  
A sound absorbing body 40 has a molded body 44 including two unexpanded layers 41, 42 and an expanded layer 43 having a number of voids and held between these unexpanded layers 41, 42 , a...
7357219 Sound attenuating cover for domestic air conditioner compressors  
A sound attenuating cover is adapted for intimate fitment to a compressor of a domestic air conditioner, and comprises an outer sleeve member and a generally circular top member which is releasably...
7337875 High admittance acoustic liner  
A cooled acoustic liner useful in a fluid handling duct includes a resonator chamber 52 with a neck 56 , a face sheet 86 , and a coolant plenum 80 residing between the face sheet and the...
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...
7311175 Acoustic liner with bypass cooling  
An acoustic liner 20 includes a remote panel 26 , a proximate panel 28 transversely spaced from the remote panel and a resonator chamber 34 b residing between the panels. Perforations 38 ...
7297390 Structural polymer core assembly, method of manufacture and method of use  
A composite structure, and method of manufacturing it, having a specified width, length, and height defining a top and bottom the composite structure. The composite structure includes a three...
7279214 Floor covering having a strong noise-reducing properties  
A floor covering characterized as having a strong noise-reducing properties for the interior trim of means of transport. The floor covering has, on the passenger side, a textile or non-textile...
7263028 Composite acoustic attenuation materials  
The present invention provides means of enhancing the acoustic attenuation and vibration damping of a material by (1) embedding a plurality of small particles of either a high characteristic...
7249654 Heat insulating acoustical structure and carbody shell structure using the same  
To obtain a wide passenger compartment space, the thickness of a heat insulating acoustical layer is reduced, and for this purpose, a comfortable in-car environment is obtained by using a vacuum...
7249653 Acoustic attenuation materials  
Acoustic attenuation materials are described that comprise outer layers of a stiff material sandwiching a relatively soft elastic material therebetween, with means such as spheres, discs or wire...
7246681 Radio frequency shielded and acoustically insulated enclosure  
A radio frequency (“RF”) shielded and acoustically isolated enclosure that efficiently employs multiple layers of sound insulation and absorbs airborne noise and the noise provided by magnetic...
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...
7182172 Sound insulation system  
A sound insulation system for use with a vehicle includes a layer of fibrous padding material having a first surface and an opposite second surface. The first surface includes multiple spaced apart...
7178630 Acoustic device for wall mounting for diffusion and absorption of sound  
A wall-mountable acoustic device for absorption of sound in an indoor area is constructed of self-supporting interbonded rockwool mat material. The primary component made of the mat material is...
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...
7124856 Acoustic liner for gas turbine engine  
A passive acoustic liner system ( 50 ) for attenuating a sound field comprising, in acoustic series, a mode-scattering segment ( 48 ) and a sound-absorbing segment ( 40 ), wherein the mode...
7123735 Method and apparatus to increase acoustic separation  
A method and apparatus for reducing the acoustic coupling between a sound receiving transducer and a sound transmitting transducer is disclosed. A housing, wherein the receiving transducer and the...
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...