Matches 1 - 32 out of 32


Match Document Document Title
US20120018247 Wedge-shaped acoustic diffuser and method of installation  
A wedge-shaped, number theoretical acoustic diffuser both diffuses and reflects sound while eliminating wasted space created by prior art. The inventive diffuser consists of wells of continuously...
US20130240290 TYRE CAVITY NOISE ABSORBER  
A tyre cavity noise absorber has a body of sound absorbing material and a support. The absorber is arranged such that, when installed in a tyre cavity and the tyre is stationary, the support...
US20050279574 Sound-absorbing device for a wall covering, ceiling covering, or floor covering  
A sound-absorbing device for a wall covering, ceiling covering, or floor covering has a support that comprises at least one sound-absorbing layer made of polymer foam. The layer constitutes a...
US20060065483 Baffle with flow-through medium  
There is disclosed a baffle having a medium that allows a fluid such as air to flow therethrough.
US20100175949 Porous sound absorbing structure  
A porous sound absorbing structure 10 includes an exterior plate 1 and a closing plate 2 in order to suppress a decrease in sound absorbing performance in a wide frequency band. An interior plate...
US20060060421 Acoustic liner use of such a liner and method for manufacturing an acoustic liner  
The present invention relates to an acoustic liner (1) arranged to attenuate sound. The acoustic liner (1) comprises a top sheet (5) having substantially linear characteristics and a liner core...
US20140339015 SOUND DIFFUSER INSPIRED BY CYMATICS PHENOMENON  
Sound diffusers are important components in enhancing the quality of room acoustics. The present disclosure relates to a sound diffuser obtained by using properties of the cymatics phenomena....
US20140291069 NOISE BARRIER STRUCTURE WITH SOUND-ABSORBING AND SOUND-REDIRECTING PROPERTIES, AND HIGH PERFORMANCE SOUND ABSORBER FOR USE IN SUCH STRUCTURE  
A noise structure having a barrier made of a generally sound redirecting material defining a surface of the barrier, and a plurality of sound absorbing boxes connected to this surface, each box...
US20050241877 Sound absorber comprising two parts delimiting a hollow space  
The invention relates to a sound absorber, especially for motor vehicles, comprising a molded part (1) made of thermoplastic material and at least one second part (2) which with the molded part...
US20050133302 Sound shielding element, use thereof and method of producing the same  
Sound-shielding element for covering at least one of sound-reflecting or sound-generating structural parts and method for forming the same, the element including at least one panel or layer, a...
US20060131104 Sound-absorbing structure body  
A sound-absorbing structure body according to the present invention comprises a ridge-groove board (11) formed with a large number of ridges and grooves, a closing board (15) joined to the...
US20080029336 Acoustic panel  
An acoustic panel is provided. The acoustic panel includes a frame, an acoustic absorbing material, and an outer skin. The frame has a plurality of apertures therealong and an interior space. An...
US20050167193 Acoustic construction element  
Acoustic construction element comprising sound insulating cavities having a constant shape along an axis parallel to the exposed surface of the construction element, having a smaller width than...
US20070235253 Sound-absorbing material, production method of the same, and sound-absorbing panel  
In order to provide a sound-absorbing material and a sound-absorbing panel which can be produce at a low-cost and have excellent beauty or appearance and excellent sound-absorbing characteristics,...
US20060000671 Adjustable acoustic wings  
An acoustic wing according to this disclosure is an adjustable and removable acoustic panel to eliminate noise from work stations separated with dividing wall panels. The system according to this...
US20070012508 Impact resistance acoustic treatment  
A liner assembly for a duct includes noise attenuation panel for dissipating sound energy generated within the duct. A damage resistant acoustic panel for installation in high velocity impact...
US20090038883 SOUND-ABSORBING PANEL  
The present invention relates to a sound-absorbing panel in which the structure of a vibration type sound-absorbing panel for absorbing and offsetting sound waves belonging to a low frequency band...
US20060169531 Component that absorbs airborne sound  
The invention relates to an airborne-sound absorbing component, in particular for motor vehicles, comprising a resonance absorber (1) with a plurality of differently sized hollow chambers (2)...
US20080099278 Acoustic insulator and method of manufacturing same  
An acoustic insulator includes a first layer having an outer surface and an inner surface and a second layer having an outer surface and an inner surface. The outer layer of the second layer is...
US20080135327 Sound Absorbing Structure  
A sound absorbing structure according to the present invention comprises: a housing having a front face, and a side face which is provided perpendicularly around at least a part of an edge portion...
US20060254855 Fibrous material having densified surface for improved air flow resistance and method of making  
The present invention provides a fibrous veil having a plurality of densified portions formed thereon for improved airflow resistance. The airflow resistance may be tuned to meet the needs of a...
US20120067665 SOUND-ABSORBING NOISE BARRIER  
A sound-absorbing noise barrier, more specifically to one comprising: a main body which has a front surface and a rear surface and extends horizontally and in which a space is formed between the...
US20100065369 Acoustic structure and acoustic room  
In a hollow member, a portion of a hollow region adjoining and communicating with an opening portion is constructed as an intermediate layer. The intermediate layer is constructed in such a manner...
US20050194210 APPARATUS AND METHOD FOR AIRCRAFT CABIN NOISE ATTENUATION VIA NON-OBSTRUCTIVE PARTICLE DAMPING  
An apparatus for reducing noise in an aircraft cabin is disclosed. The apparatus comprises a structure portion and filler material. The structure portion further comprises an internal member...
US20110284319 Acoustic Panels, Apparatus and Assemblies with Airflow-Resistive Layers Attached to Sound Incident Surfaces  
An acoustic panel includes a main body portion having a substantially planar front surface for orientation toward a sound source and an opposite, substantially convoluted rear surface. An...
US20050167194 Accoustical Absorption Coating and Process  
A process for dampening sound and a material for effecting that process have been developed. The process involves applying multiple layers of a coating that then transmits that sound into very...
US20060289229 Sound absorbing structure body and producing method thereof  
A peak frequency having a high sound absorption coefficient is enlarged. A sound absorbing structure body comprises a concave-convex plate, a closure plate, and first and second partition plates....
US20110278091 Acoustic Structure  
An acoustic structure includes plate members defining a plurality of hollow regions in parallel relation to each other. Opening portions are formed in one surface (reflective surface) of the plate...
US20050098379 Noise absorbing structure and noise absorbing/insulating structure  
A noise absorbing structure for effectively absorbing noise in a wide frequency range includes a first noise absorbing portion that is hollow and includes one or more first holes. The structure...
US20160203812 Underwater Noise Abatement Panel and Resonator Structure  
A system for reducing noise emissions in underwater environments is presented. The system can be extended to applications in any two-fluid environments where one fluid (gas) is contained in an...
US20160111076 Particulate Sound Absorption Board and Preparation Method Thereof  
A particulate sound absorption board and its preparation method. The said particulate sound absorption board consists of binding agent and sound absorption particle; the external surface of sound...
US20150308408 APPARATUS FOR DAMPENING OF ACOUSTIC NOISE GENERATED BY AIR-COOLING OF AT LEAST ONE WIND TURBINE COMPONENT PROVIDED WITH THE NACELLE OF A WIND TURBINE  
An apparatus for dampening of acoustic noise generated by air-cooling of at least one wind turbine component provided with the nacelle of a wind turbine is provided. Apparatus for dampening of...

Matches 1 - 32 out of 32