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Acoustics July cataloged by category listing 07/08

20080179132 - Acoustic apparatus: Acoustic noise from relatively high pressure gas flows as a result of opening for example a bypass valve in a gas turbine engine can cause problems. By provision of an acoustic apparatus incorporating an inner chamber where there is a pressure reduction and then a chamber divider surface incorporating small... Agent: Mccormick, Paulding & Huber LLP

20080179133 - Sound dampening passage and surface cleaning apparatus with same: A surface cleaning apparatus is disclosed. The surface cleaning apparatus comprises a fluid flow path extending from a dirty fluid inlet to a clean air outlet and including a suction motor. At least one cleaning stage is positioned in the fluid flow path. The suction motor is positioned in a... Agent: Bereskin And Parr

20080179135 - Low-noise machine package: A conventional machine package faces problems concerned with costs, weight, etc. and also a problem of antinomy that an attempt to enhance the noise reducing performance increases the airflow resistance and then deteriorates the cooling performance. Providing a sound absorbing structure with the heat radiation performance ensured within a practical... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080179134 - Methods and apparatus for reducing the noise level outputted by oil separator: A muffling apparatus (100) having a first, muffling segment (1010) and a second (1020), non-muffling segment is provided for placement within an oil separator of refrigeration or cooling system, wherein the apparatus has a non-straight shape and a lumen defined therein to allow for noise-creating pressure pulsations/waves to come into... Agent: Marjama Muldoon Blasiak & Sullivan LLP

20080173496 - Method for operating mode-dependent sound control: A method for sound control in a unit of the engine periphery of an internal combustion engine of a vehicle, in particular in an exhaust system of the internal combustion engine, a sound control signal being generated based on a detected sound emission of the unit and injected into the... Agent: Kenyon & Kenyon LLP

20080173497 - Layered sound absorptive non-woven fabric: The invention relates to the layered sound absorptive non-woven fabric containing the resonance membrane and at least one another layer (1, 3) of the fibrous material at which the resonance membrane is created by a layer (2) of nanofibres having diameter to 600 nanometers and of surface weight 0.1 to... Agent: Dority & Manning, P.a.

20080169150 - Reflection-type sound box: A reflection-type sound box comprises a box body and a loudspeaker. The box body comprises an upper shell, a lower shell for correspondingly coupling with the upper shell, and a sound chamber defined by the upper shell and the lower shell jointly. The sound chamber has a reflection duct extending... Agent: Troxell Law Office PLLC

20080169151 - Loudspeaker port handle: A ported or bass-reflex loudspeaker includes one or more ports incorporated into the loudspeaker cabinet without corresponding increase in cabinet dimensions. In one embodiment, this may be accomplished by integrating the one or more ports into one or more corresponding side panels of the loudspeaker cabinet. In another embodiment, the... Agent: Crowell & Moring LLP Intellectual Property Group

20080169152 - Silencer and electronic apparatus having the same: A silencer that reduces a noise from a noise source in a first housing that houses the noise source in a first internal space includes a second housing that houses the noise source in a second internal space, and is provided in the first internal space of the first housing,... Agent: Arent Fox LLP

20080164089 - Reflector and gas spring assembly: A reflector includes a first end surface, an opposing second end surface and a plurality of reflector surfaces. A first reflector surface extends from adjacent the first end surface toward the second end surface. A second reflector surface extends from adjacent the first reflector surface toward the second end surface.... Agent: Bridgestone Americas Holding, Inc.

20080164090 - Acoustic absorbing device: An acoustic absorbing device includes a housing having a chamber formed by an outer peripheral wall and a bottom wall, a hood engaged into the housing, an absorbing member engaged into the hood, and a silencer engaged into the absorbing member, the silencer and the absorbing member may be selectively... Agent: Charles E. Baxley, Esq.

20080164091 - Tonal emission control for wind turbines: A system for the noise reduction of wind turbines comprises at least one acoustic sensor provided at the wind turbine, a detection unit and a control unit, wherein said detection unit is adapted to detect tonal components in a signal of said sensor, and wherein said control unit is adapted... Agent: General Electric Co. Global Patent Operation

20080164092 - Silencer with fin outlet: A motor chain saw includes a housing with a housing wall, which has an opening for exhaust gases and a hood extending outside the housing through the opening, with a hood opening pointing to one side. Exhaust gases flowing from an interior of the housing in an exhaust jet (S)... Agent: Kelly Lowry & Kelley, LLP

20080164093 - Sound absorbing material and structure using the same: A sound absorbing material (1a) comprising a film (11) composed of a silicone rubber and a porous layer (12) (i.e., a first porous layer) laminated on the back surface of the film (11). The film (11) is made of a material which has flame retardancy and generates no noxious fume... Agent: Bacon & Thomas, PLLC

20080164094 - Acoustic scatterer: An acoustic scatterer element (10) incorporates a plurality of convex surfaces (38.1, 38.2) have a plurality of associated curvatures in a corresponding plurality of different directions. A plurality of acoustic scatterer elements of various sizes in a cooperative relationship with one another provide for diffusing acoustic waves in a room... Agent: Raggio & Dinnin, P.C.

20080156575 - Portable speaker enclosure: This invention provides an enclosure for a speaker, wherein the enclosure comprises a means for attachment to an article of luggage, and wherein the enclosure is (i) composed of a suitable acoustic material and (ii) is flexible. This invention further provides a carrying case comprising a manually removable enclosure for... Agent: Cooper & Dunham, LLP

20080156576 - Process for producing loudspeaker diaphragm, loudspeaker diaphragm produced by the process, and louspeaker with the diaphragm: In a process for producing a loudspeaker diaphragm, pulp is deposited on a paper-making mold in the presence of vortex stream of water having pulp dispersed therein in a paper-making bath. Pulp is deposited on the paper-making mold while at least the water having pulp dispersed therein is rotated by... Agent: Ratnerprestia

20080156577 - Ultrasonic transducer system: An improved acoustic lens and an improved ultrasonic transducer system comprising an improved acoustic lens and related methods are provided. The improved acoustic lens may have a uniform loss along an elevation axis or may have a loss along the elevation axis that provides for an apodization of an acoustic... Agent: Gore Enterprise Holdings, Inc.

20080156578 - Variable geometry muffler for an exhaust system of an internal combustion engine: A variable geometry muffler for an exhaust system of an internal combustion engine; the muffler displays: a tubular body, which displays an inlet opening, an outlet opening and a labyrinth which determines a path for the exhaust gases from the inlet opening to the outlet opening; and a bypass valve,... Agent: Baker & Daniels LLP 111 E. Wayne Street

20080156579 - Air intake device: An air intake device includes an inner pipe member having a substantially cylindrical shape and defining therein an air intake passage by a wall portion of the inner pipe member, and an outer pipe member which surrounds a periphery side of the inner pipe member to define therebetween a space.... Agent: Nixon & Vanderhye, Pc

20080156580 - Fibre for an acoustic insulating material, especially for sound dampers compressed air devices: An acoustic insulating material, especially for a sound damper in compressed air devices, is provided which includes fibres of a thermoplastic material comprising structures or profiled elements which are moulded or embossed in the surfaces thereof and which raise the surfaces or specific surfaces thereof. The fibres are processed to... Agent: Kramer Levin Naftalis & Frankel LLP Intellectual Property Department

20080156581 - Acoustical panel comprising interlocking matrix of set gypsum and method for making same: An acoustical panel comprising a continuous phase of an interlocking set gypsum matrix and a method of preparing an acoustical panel are disclosed.... Agent: Leydig Voit & Mayer, Ltd