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8477978 Open fit canal hearing device  
An improved hearing aid device adapted for use within the ear canal of the CIC (Completely In the ear) and of the partially exposed ITC (In The Canal) type. This aid consists of a system of...
8474417 Lubricating system for air-cooled general-purpose engine  
An air-cooled general-purpose engine includes: a cooling fan fixed to one end portion, protruding outward from one end wall of an engine main body, of a crankshaft; and a shroud which is mounted to...
8474572 Apparatus and method to attenuate vibration and acoustic noise  
An apparatus and method to attenuate vibration and acoustic noise are provided. One apparatus includes a first layer formed from a non-metal material having a predetermined level of resistance to...
8469146 Panel for acoustic treatment comprising a junction between two parts and process for the reparation of a panel for acoustic treatment  
An acoustic treatment panel includes two portions with edges spaced in one direction, and from the outside to the inside, a first acoustically resistive layer, a first alveolar structure, and a...
8468813 Snap-action valve for exhaust system  
A muffler for an internal combustion engine exhaust system includes a housing having an inlet and outlet headers enclosing opposite ends of an outer shell. A partition divides a housing interior...
8468825 Method for producing shaft horsepower using waste heat  
One or more methods for generating electricity using waste heat are provided herein. The method can include providing an exhaust gas to a first silencing chamber within an inner housing of a heat...
8469144 Inflatable sound attenuation system  
An inflatable, noise attenuating panel or barrier, comprised of an inflatable air chamber coated with (wrapped in or attached thereto) an acoustic barrier material, with which to construct a...
8469142 Muffler assembly  
The invention provides a muffler assembly (10) for exhaust gas flow communication with an engine exhaust. The assembly (10) includes a muffler (12) having inlet and outlet ports (14, 16). The...
8470921 Ultra-low permeability polymeric encapsulated acoustic device and method  
This invention is an acoustic device protected by an acoustically transparent low water permeability encapsulant made from an acoustically clear polymer such as polyurethane. High aspect ratio clay...
8469141 Acoustic damping device for use in gas turbine engine  
An acoustic dampener comprises a first wall, orifice plate, and second wall. The first wall separates a first fluid source from a second fluid source. The first wall has a hole for allowing fluid...
8469140 Radial waveguide for double cone transducers  
A radial waveguide assembly comprises a transducer section and a waveguide section. The transducer section includes first and second cone loudspeakers arranged coaxially and in an opposed...
8469143 Baffle with enhanced acoustic damping properties  
An insert for sealing and acoustic damping of a longitudinal cavity having an interior surface, comprising: a) one or more carrier plates made of a polymeric material (A) which does not deform when...
8472660 Headphone adaptation and positioning device with means for holding an earbud stem  
An adaptation device that removably attaches to earbud style headphone/s and provides security and retention of the earbud to a wearer's ear.
8469145 Multilayer sound absorbing sheet  
A multilayer sound absorbing sheet including a film layer having through-micro bores and apertures, and a fibrous material layer disposed on the film layer is provided. A method of absorbing sound...
8464790 Brine salinity from sound speed  
Temperature and pressure measurements that are made downhole are used to predict a compressional wave velocity for pure water under downhole conditions. The predicted velocity and a measured...
8464831 Noise attenuation panel and a gas turbine component comprising a noise attenuation panel  
A noise attenuation panel includes a first wall, a second wall and partition walls connected to the first and second walls and defining cells between the first and second walls. The first wall is...
8464830 Soundproof material for vehicle  
A first sound absorbing material to be located facing a vehicle room interior side, the air-impermeable material having an air-impermeable film having bonding hot-melts on both sides thereof, and...
8462588 Processing seismic vibrator signals having distinguishing signatures  
A method and apparatus for generating a seismic source signal are provided for generating energy in the form of a plurality of time sequence vibratory signals, the vibratory signals being...
8459407 Sound attenuation systems and methods  
Methods and devices for increasing the sound attenuation properties of a noise suppression device are provided. Various embodiments include sound-attenuating cavities with improved sound capturing...
8462587 Generating seismic vibrator signals having distinguishing signatures  
A method and apparatus for generating a seismic source signal are provided for generating energy in the form of a plurality of time sequence vibratory signals, the vibratory signals being...
8459964 Noise reducing device for hermetic type compressor  
A noise reducing device for a hermetic type compressor is provided that includes a plate film in a connection member that connects a suction pipe and a suction muffler to each other. The plate film...
8459403 Front resonator for a speaker of a wireless device  
A front resonator for a speaker of a wireless device, comprising: an enclosure mounted over the speaker and forming with an upper surface of the speaker a front volume for the front resonator; and,...
8459404 Loudspeaker  
A loudspeaker component includes a unitary plastic element that defines at least a portion of (i) a first acoustic volume that can be acoustically energized by an electro-acoustic driver, (ii) a...
8459405 Firearm sound suppressor with front plate having a tapered bore  
In one example, a firearm sound suppressor includes a housing and an end plate disposed at a front end of the housing and comprising a bore extending therethrough. The bore includes a tapered...
8462956 Earhealth monitoring system and method IV  
A system for monitoring sound pressure levels at the ear includes an ambient sound microphone (ASM) for receiving ambient sounds and an ear canal microphone (ECM) for producing audio signals as a...
8462584 Sonic borehole caliper and related methods  
A method and apparatus for determining an effective cross-sectional area of a borehole including one or more sources for generating tube or Stoneley waves in the borehole; receivers for measuring...
8459408 Radiated sound reducing structure  
A radiated sound reducing structure that reduces radiated sound generated in a pipe through which gas passes includes a first pipe and a second pipe that is arranged inside the first pipe and has,...
8462589 Apparatus for generating seismic signals having distinguishing signatures  
A seismic system has a plurality of seismic sources. Each of the seismic sources includes a reaction mass movable with respect to a geological structure and includes an actuator moving the reaction...
8462973 Ear fitting  
An improved open ear hearing aid fitting for insertion into an ear canal is provided. The fitting offers enhanced acoustic performance while maintaining user comfort. The fitting comprises a...
8462585 Acquiring seismic vibrator signals having distinguishing signatures  
A method and apparatus for generating a seismic source signal are provided for generating energy in the form of a plurality of time sequence vibratory signals, the vibratory signals being...
8459406 Mounting apparatus for firearm sound suppressor  
In one example, a method of aligning a firearm sound suppressor includes inserting a front portion of a body of an adapter into a socket of the firearm sound suppressor. The method also includes...
8453791 Exhaust pipe part and exhaust apparatus for internal combustion engine  
A tail pipe part includes a tail pipe to constitute part of the tail pipe, and has a hollow member connected with the tail pipe in axial alignment with the tail pipe to be positioned within an area...
8453789 Firearm sound suppressor with flanged back end  
In one example, a firearm sound suppressor includes a housing including a front end and a rear end. The rear end includes a flange that partially encloses the rear end and defines a rear aperture....
8453793 Accoustic fabrication system  
The invention describes a method for making a composite panel and the product made by the method. The composite panel is made from a soft septum treated with a composition containing silane and an...
8453792 Exhaust system and corresponding support structure  
An exhaust system (3) of an internal combustion engine (2) is provided in a support structure (1), especially in a motor vehicle (1), with at least one exhaust pipe (8), which guides exhaust gas...
8453788 Implementing dynamic noise elimination with acoustic frame design  
A method, system and computer program product are provided for implementing dynamic noise elimination. A system frame includes a plurality of acoustical sensory devices monitoring the system for...
8453790 Fan coil ceiling unit with closely coupled silencers  
A low-profile, compact fan coil ceiling unit with closely coupled silencers includes a heating and cooling section, a closely coupled inlet silencer, and a closely coupled outlet silencer. The...
8448743 Tire noise reduction device and pneumatic tire provided therewith  
Provided are a tire noise reduction device allowing rapid and reliable puncture-repair of a pneumatic tire provided with an annular sound absorbing member on the inner surface of a tread portion of...
8448744 Soundproofing device for the passenger compartment of a vehicle, in particular of an automobile  
The invention relates to a soundproofing device for the passenger compartment of a vehicle (10), to be positioned between a sheet métal panel of the vehicle bodywork (12) and an inner trimming ...
8452038 Multi-throat acoustic horn for acoustic filtering  
A horn coupled to multiple acoustic transducers includes first and second throat portions and a mixing area integrally formed with the first and second throat portions. The first throat portion has...
8443928 Exhaust tail pipe  
An exhaust tail pipe includes a front outer tube, an inner tube and a rear tail pipe. The inner tube has a plurality of screw holes on one side mating a plurality of apertures formed on a rear...
8443934 Acoustic resistance member and method for making the same  
An acoustic resistance member includes an air-shielding layer which does not allow air to pass through such that acoustic waves do not propagate, and an acoustic resistance layer which allows air...
8443932 Working machine  
A working machine is provided with a revolving upperstructure, working equipment, an engine compartment, a counterweight, a muffler, and an exhaust path for releasing exhaust gas, which has been...
8447043 Piezo element stethoscope  
A stethoscope chest piece has a chest piece housing containing a piezoelectric (piezo) element mounted within a housing. The piezo element converts body signals to an electrical representation that...
8443584 Inlet system for an EGR system  
An embodiment of the present invention takes the form of a system that may recirculate a portion of the exhaust of at least one turbomachine where it may be mixed with the inlet air and re-enter...
8446798 Marine acoustic vibrator having enhanced low-frequency amplitude  
A seismic source includes a flextensional shell defining a longer axis and a shorter axis and at least one driver coupled to the flextensional shell proximate an end of the shorter axis. The...
8444397 Manual selective attenuator  
An attenuating apparatus for use with a positive displacement compressor. The device includes a bore formed in a housing of the compressor, the bore being positioned at an angle to a discharge...
8443931 Noise reduction of supersonic jet engines  
A jet engine adapted for reducing far-field noise levels is disclosed. The jet engine has a plurality of flap assemblies that are disposed around a perimeter of an exhaust port of the jet engine....
8443930 Method and apparatus for a loudspeaker assembly  
A method and apparatus for providing a loudspeaker assembly is provided. In accordance with at least one embodiment, apparatus is provided comprising a ground plane, a loudspeaker driver mounted in...
8443933 Tubular acoustic insulating element  
An exhaust system composed of a plurality of components for an internal combustion engine for connecting to a manifold, the exhaust system includes at least one first section, which is provided...