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Acoustics August inventions list 08/10

20100212995 - Stethoscope cover and dispenser therefor: A protective cover for a stethoscope head and an apparatus for quickly and easily interconnecting the protective cover with the stethoscope head. The apparatus includes a cover-positioning device that positions the protective cover so that it can be quickly and easily interconnected with the stethoscope head. The cover positioning device... Agent: James E. Brunton, Esq.

20100212996 - Speaker system: A speaker is attached so that a sound generated at the front of the speaker attached to a cabinet is led to a plane such as a front panel of a device by a waveguide, and the opening surface of the waveguide is almost perpendicular to the plane. Since a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100212997 - Engine room for construction equipment having noise trap: An engine room for construction equipment having a noise trap is provided, which can minimize noise, being generated in an engine room due to driving of an engine and a ventilating fan and emitted to an outside of the engine room, through a noise trap, and can prevent a fire... Agent: Ladas & Parry LLP

20100212998 - Cellular-core structure for an acoustic panel: The invention relates to a cellular-core structure (10) that can be used in an acoustic panel for a turbojet nacelle, comprising at least one cellular unit (12; 14), each cellular unit (12; 14) comprising two end sheets (18; 20), the end sheets (18; 20) being joined together by joining elements... Agent: Cantor Colburn, LLP

20100212999 - Helmholtz resonator: The invention relates to a Helmholtz resonator (6) for damping airborne sound in a space, particularly in a conduit (4, 5) transporting airborne sound, comprising a housing (8) surrounding a resonance volume (9), comprising at least one neck (10) for connecting the resonance volume (9) to the space or to... Agent: Rader, Fishman & Grauer PLLC

20100213000 - Vehicular muffler and motorcycle incorporating same: A vehicular muffler is configured and arranged to smoothly introduce exhaust gas into a sound-absorbing material disposed inside of an outer case which has a plurality of relatively short inner sleeves therein. The muffler includes a porous plate which is disposed inside of the outer case, and which is connected... Agent: Carrier Blackman And Associates

20100213001 - Damping device and method for damping sound in cavities of vehicles: A damping device and a method of damping a structural element of a vehicle body are disclosed. The damping device generally includes a carrier material, a separating material, and a damping material disposed on the carrier material. The damping material is one of a material forming an open cell structure... Agent: Rader, Fishman & Grauer PLLC

20100213002 - Fibrous materials, noise suppression materials, and methods of manufacturing noise suppression materials: Noise suppression materials and methods of manufacturing noise suppression materials are provided. In an embodiment, by way of example only, a fibrous material includes a network of a plurality of fibers selected from a group consisting of glass fibers and ceramic fibers, the plurality of fibers including a first fiber... Agent: Honeywell/ifl Patent Services

20100206658 - Enclosing adsorbent material: An apparatus comprises an agglomeration of adsorbing members, each of the adsorbing members comprising a porous outer layer configured to enclose an amount of adsorbent material, the agglomeration being configured such that every cross-section through the agglomeration comprises at least one gap between adjacent adsorbing members.... Agent: Harrington & Smith

20100206659 - Diaphragm for speaker, speaker using the diaphragm for speaker, and process for producing the diaphragm for speaker: A speaker diaphragm which includes a woven cloth which contains a thermosetting resin of thermo-cured state, and a paper board bonded and integrated with the woven cloth at the back surface. The woven cloth has its weave texture exposed on the front surface. The diaphragm has a high strength because... Agent: Ratnerprestia

20100206660 - Water-proof sound-transmitting membrane, method for producing water-proof sound-transmitting membrane, and electrical appliance using the membrane: A water-proof sound-transmitting membrane 10 includes a polytetrafluoroethylene porous membrane 1 and has a surface density of 1 to 20 g/m2. The polytetrafluoroethylene porous membrane 1 includes a first porous layer 1a, and a second porous layer 1b stacked on and integrated with the first porous layer 1a by a... Agent: Hamre, Schumann, Mueller & Larson, P.C.

20100206661 - Acoustic waveguide vibration damping: An acoustic waveguide with at least two portions coupled by vibration damping structure. The vibration damping structure may be a conformable material such as closed cell foam. The vibration damping structure may further include structure for inhibiting motion in a direction transverse to the interface between the vibration damping structure... Agent: Bose Corporation C/o Donna Griffiths

20100206662 - Vibration damping sheet: Disclosed is a vibration damping sheet (1) comprising a viscoelastic layer (2) containing a hollow inorganic fine particle, and a constraining layer (3) arranged on the viscoelastic layer (2).... Agent: Akerman Senterfitt

20100206663 - Glazing unit having an improved vibroacoustic damping property, process for manufacturing such a glazing unit and process for acoustic protection in a vehicle passenger compartment: A glazing unit with an improved vibroacoustic damping property including at least one sheet of glass and at least one vibroacoustic damping strip that is attached to at least one of the faces of the glass sheet and that includes at least one component made of damping material having a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100206664 - Acoustic panel: An acoustic panel for a fan casing of a gas turbine engine includes one or more Helmholtz resonators to absorb acoustic energy propagated upstream from the fan. By arranging that the periodic air flow out of the resonators has some axial momentum, by inclining the passages that exit from the... Agent: Oliff & Berridge, PLC

20100206665 - Muffler for engines in oilfield applications: A muffler for an engine in oilfield applications has a tube with nozzles in its inlet section for spraying a mist of water from the well into the exhaust gases produced by the engine, so that a significant portion of the water is converted to water vapor and exits with... Agent: Dorr, Carson & Birney, P.C.

20100200327 - Moulded soundproofing component, and manufacturing method thereof: This method includes the placing of the first porous layer (1) onto one part of a wall of a mould cavity having the shape desired by the soundproofing component, the first layer (1) not occupying the entire cavity, and the injection of a foaming polymer composition into the cavity of... Agent: Young & Thompson

20100193281 - Sound projection device attachable to a user when not in use: A megaphone comprises a rigid but bendable material with a tapered shape. When the material is folded, the produced megaphone has a small opening at one end and a larger opening at the other end. The megaphone has edges that form an opening along the side such that when pressure... Agent: Darcell Walker

20100193282 - Broadband noise resonator: An apparatus comprising includes a conduit portion having a conduit inner surface and a conduit outer surface, and a plurality of chambers in fluid communication with the conduit portion. The chambers include a first chamber defined, at least in part, by a first outer housing and a first chamber volume.... Agent: Rader, Fishman & Grauer PLLC

20100193283 - Noise reduction system: A noise reduction system for a device having a noise generating subsystem includes a Helmholtz resonator and a controller. The Helmholtz resonator is disposed in fluid communication with the noise generating subsystem, and includes an active material responsive to a control signal that adjusts a dimensional characteristic of the Helmholtz... Agent: Cantor Colburn LLP-general Motors

20100193284 - Exhaust chamber for the exhaust line of an automobile: The exhaust chamber for a motor vehicle exhaust line includes: a main envelope defining a main enclosure and having an exhaust gas inlet and an exhaust gas outlet; and at least one saucer-shaped shell having an opening defined by a peripheral edge of the shell, the or each shell being... Agent: Young & Thompson

20100193285 - Silencer cover for saddle-ride type vehicle: A silencer cover adapts to a heat expansion of a silencer even when, for example, the silencer cover has a large size and is attached to the silencer over an area from the front to the rear. A silencer cover is provided for a silencer connected to a downstream end... Agent: Westerman, Hattori, Daniels & Adrian, LLP