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8605936 In-wall loudspeaker mounting method and apparatus  
A method and apparatus for mounting a loudspeaker within a cavity in the wall of a room to lessen the transmission of vibration to the wall comprises a weight support member coupled to the speaker...
8602159 Compact muffler for small two-stroke internal combustion engines  
A muffler providing a compact and low-profile form factor for small two-stroke engines is described, particularly useful for aerodynamic radio controlled aircraft. The muffler comprises a tuned...
8602158 Muffler system with protector for small-sized vehicle  
A muffler system can include an exhaust pipe configured to be connected to an exhaust port of an engine, and a muffler containing a catalyst. The muffler is configured to be connected to a...
8602156 Multi-splice acoustic liner  
A liner assembly for an aircraft engine housing includes a noise attenuation structure that is covered by a face sheet. The face sheet covering the noise attenuation structure includes a surface...
8602155 Engine arrangement comprising a noise shield  
An engine arrangement for a vehicle, such as a commercial vehicle such as a truck, includes subsequently arranged and encompassed in a casing an engine block, an engine transmission and a flywheel....
8602157 Q4 muffler assembly  
A system for improved exhaust evacuation from an internal combustion engine made up of a core which is surrounded by an outer casing, an elongated tube, and a perforated chamber made up of two cup...
8601772 Genset enclosure  
An internal combustion engine is coupled to an electric power generator. An exhaust manifold for the engine includes an exhaust gas conduit. A housing includes a catalyst in fluid communication...
8596412 Tablet computer holder and sound deflecting assembly  
A tablet computer holder and sound deflecting assembly includes a panel that has a top side, a bottom side, a first lateral edge, a second lateral edge, a first end edge and a second end edge. A...
8596995 Sealing structure and compressor  
A sealing is arranged between a rear head having an ejection port configured and arranged to eject compressed refrigerant and a rear muffler disposed so that a muffler space is formed between the...
8596409 Systems and methods for producing directed seismic waves in water  
A disclosed seismic source assembly includes a body having a cavity and a seismic source positioned in the cavity. The cavity is in fluid communication with the water via an aperture oriented in a...
8596050 Sound attenuating heat exchanger for an internal combustion engine  
A sound attenuating heat exchanger for an internal combustion engine includes a housing, a barrier wall and a fin. The housing includes an exhaust inlet, an exhaust outlet, a coolant inlet and a...
8596510 Pneumatic nailing machine with a winding air channel for exhaust  
A pneumatic nailing machine includes a striking cylinder accommodated in a main housing to permit a piston and driver assembly to be moved for driving a nail when compressed air is supplied into...
8596413 Acoustic array of polymer material  
The invention is an acoustic liner for attenuating noise in rotating machinery. The acoustic liner may include a plurality of cells coupled together to form an annular cell matrix, the plurality of...
8600097 Integrated rigging system for loudspeakers with vertically and horizontally oriented locking pin holes and dolly board placed in abutment with adjacent dolly boards  
An integrated rigging system for loudspeakers comprises top and base front and top and base rear rigging structures for mounting to the internal framework of the loudspeaker and for forming the top...
8596411 Speaker cabinet for electronic device  
The present disclosure relates to a speaker cabinet for electronic device, which is disposed in an electronic device and comprises a cabinet body, two first fixing structures, two dampers, and two...
8596410 Solid-state acoustic metamaterial and method of using same to focus sound  
A phonemic crystal is made of a first solid medium having a first density and a substantially periodic array of structures disposed in the first medium, the structures being made of a second solid...
8596279 Offset stem for earplug and earplug formed therewith  
The invention provides a stem for an earplug and an earplug incorporating the stem where the stem includes an attachment portion configured to receive and retain a sound attenuating element, the...
8594360 Mounting structure for speaker and flat panel display  
A mounting structure for a speaker with respect to a panel (1) is provided. The mounting structure includes a speaker (20), a pair of projecting latches (10, 11) flanking a predetermined mounting...
8590667 Crankcase of internal combustion engine  
A crankcase of an internal combustion engine includes protruding portions formed on an outer surface of the crankcase which are constituted of a pair of left and right wall members, and a vibration...
8590670 Sound proof membrane  
A sound barrier membrane comprises of a decoupling layer, a barrier layer and a dampening layer. The membrane also provides crack isolation, and acts as a vapor barrier. Numerous materials are...
8590155 Apparatus for and process of filling a muffler with fibrous material utilizing a directional jet  
A nozzle for delivering texturized fibrous material into a chamber of a muffler has a body including a texturized fibrous material passageway and a separate directional jet passageway. A method of...
8590666 Array element rigging component, system and method  
Disclosed herein is a rigging component and method for connecting an array element in an array. The rigging component includes an elongate housing connectable to an array element; a connection link...
8591208 Multi-frequency pulsation absorber at cylinder valve cap  
A multi-chambered pulsation absorber for attachment over the valve cap opening of a compressor cylinder. Each chamber is in fluid communication with the valve cap opening (or cylinder internal gas...
8590669 Sound attenuating device using an embedded layer for acoustical tuning  
The present invention includes a layered acoustical system for sound attenuation in a vehicle including an external decorative layer; a moldable fiber backer adhesively adhered to a back side of...
8590539 Headgear-earwear assembly and a method of assembling same  
A headgear-earwear assembly and a method of assembling the same. The headgear-earwear assembly can include an earwear and a headgear adapted to be coupled together. The earwear can include an...
8594339 Power management for medical sensing devices employing multiple sensor signal feature detection  
Power management circuitry of a portable electronic biosensor implements conditional power management logic to control biosensor power usage and to discriminate between intended use and nonuse of...
8590665 Invertible ear tips for an ear piece  
An ear piece for providing audio (e.g., from an electronic device) to the user is provided. The ear piece may include a compliant element operative to be inserted in the user's ear such that the...
8590668 Construction machine with cab noise reduction device  
A construction machine capable of effectively reducing noise which would intrude into a cab, without deterioration in ride quality, comfort and air-conditioning efficiency in the cab is provided....
8585372 Motor/pump assembly  
A motor/pump assembly for a motor vehicle brake system including a pump and a motor driving the pump, the pump having opposite working diaphragms which are, in each case, mounted between a pump...
8588027 Vibroseis acquisition technique and system using dynamic source control  
A technique includes during a seismic acquisition, selectively forming groups of at least one seismic source from a plurality of seismic sources as the seismic sources become available based at...
8584793 Device for reducing booming noise in a motor vehicle  
A device for reducing booming noise in a motor vehicle has a wind deflector (3) having openings. The device furthermore has an air source (1), which is arranged in the motor vehicle and connected...
8584792 Door module having an acoustic uncoupling means  
A door module of a vehicle door is provided. The door module comprising a carrier plate, a drive unit arranged on the carrier plate for driving a power-operated adjustment device of the door...
8584794 Firearm sound suppressor with blast deflector  
In one example, a firearm sound suppressor includes a housing and an interior member. The interior member is disposed within the housing so as to define a chamber between an exterior surface of the...
8584795 Filter silencer  
A filter silencer is disclosed. In a particular embodiment, the silencer includes a housing, a silencer chamber disposed inside the housing, and a filter chamber disposed between a sidewall of the...
8588455 Apparatus and method for preventing tangling for wired earphones  
An earphone wire cover with three separate arms resembling drinking straws joined together in a Y-configuration into which the ear phone speakers and plug are inserted and passed through. These...
8584356 Method of manufacturing a CMC flow mixer lobed structure for a gas turbine aeroengine  
A method of fabricating a lobed structure for a gas turbine flow mixer having an annular upstream portion extended downstream by a portion forming a multilobed skirt, the method comprising: making...
8579577 Fan with sound-muffling box  
A fan with a sound deadening box has in its body a double inlet centrifugal fan and an inlet-port sound absorber formed between the fan and a body air inlet. The fan further includes a...
8582395 Marine vibroseis motion correction  
A method for processing seismic data. The method includes receiving the seismic data acquired at one or more receivers due to one or more marine vibroseis sources that emit one or more vibroseis...
8579076 Splicing of curved acoustic honeycomb  
Honeycomb sections are bonded together with seams made up of an adhesive that is carried by a honeycomb seam support or a linked-segment seam support. The seams are particularly useful for splicing...
8579074 Intake silencer for gas turbine  
An intake silencer of a gas turbine capable of efficient noise reduction in which a high frequency sound-absorbing splitter group composed of a plurality of sound-absorbing splitters capable of...
8578697 Fan section  
A composite component such as a fan casing liner panel for a gas turbine engine comprises an abradable layer and a layer. The layer is provided with a septum layer, to which the abradable layer is...
8578719 Bleed assembly  
A noise reduction device 40, for example for use in a bleed assembly 30 of a gas turbine engine, comprises partitions 50, 52 forming cells 54 having apertures 56, 58, 60 which provide contractions...
8579077 Horizontally installed muffler having sporty tone  
A horizontally installed muffler may include a housing, first and second tail pipes installed to front and rear ends of the housing through the housing, an introduction chamber formed inside the...
8579078 Acoustic panel for a turbojet engine nacelle, with in-built fasteners  
An acoustic panel is provided that includes at least one cellular core arranged between at least an internal skin and an external skin, wherein the external skin incorporates at least one fastener...
8579079 Soundproofing panel  
The aim of the invention is to improve acoustic insulation panels of the prior art by proposing a rigid, light panel, the acoustical absorption performance of which is improved thanks to the use of...
8579080 Anti-noise panel  
It is disclosed an anti-noise panel comprising a front shell and a rear shell that are coupled together within which rubber elements of specifically designed shape and size are incorporated. Said...
8579073 Acoustic energy absorption metamaterials  
An acoustic energy absorption metamaterial includes at least one enclosed planar frame with an elastic membrane attached having one or more rigid plates are attached. The rigid plates have...
8579075 Blackout silencer  
A silencer for a firearm which incorporates a cylindrical housing, front end cap, mean of attachment to the muzzle of a firearm, spacers and an improved cone baffle design. The proposed device...
8579225 Device for acoustic treatment of the noise emitted by a turbojet  
The invention provides a device for acoustical treatment of the noise emitted by a bypass turbojet comprising a primary cowl having in an outer surface an inner annular acoustic treatment panel and...
8573358 Multilayer sound absorbing structure comprising mesh layer  
A multilayer sound absorbing structure, comprising a first microperforated film, a mesh layer and a second microperforated film disposed in this order is provided.