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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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...
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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...
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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...
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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 )...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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