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| Number | Title | Issue Date |
| 8172036 | Apparatus and method for providing acoustic metamaterial A method for fabricating an acoustic metamaterial may include providing a planar pattern of springs arranged in columns and rows and separated from each other by interconnection nodes, providing a planar pattern of mass units separated from each other by a distance ... | 05/08/2012 |
| 8151930 | Pneumatic tire with noise damper A pneumatic tire with a noise damper made of a spongelike multi-cellular material is disclosed. The noise damper is divided into small dampers to improve the high-speed durability of the tire. The noise damper is provided with a water-impermeable outer coating to pr... | 04/10/2012 |
| 8109361 | Solid-borne sound reducing structure It is an object of the present invention to provide a solid-borne sound reducing structure which is able to reduce solid-borne sound with a simple configuration, highly durable, and being less degraded. There is provided a solid-borne sound reducing structure... | 02/07/2012 |
| 8051947 | Energy absorbing thermoplastic elastomer The present invention relates to a method for vibration damping and noise reduction by using thermoplastic vulcanizate compositions and to multilayer structures for use in vibration damping and noise reduction applications comprising at least one polymeric layer mad... | 11/08/2011 |
| 7980356 | Cladding part for component The invention relates to a cladding part for components. The cladding part has at least two areas with different vibration damping properties. The different areas make it possible in a simple manner to meet partly conflicting requirements for cladding parts of the c... | 07/19/2011 |
| 7931117 | Glazing unit with improved vibro-acoustic damping properties, method for making such glazing unit and method for acoustic protection in a vehicle passenger compartment A glazing unit with improved vibro-acoustic damping properties, including at least one glass sheet and at least one vibro-acoustic damping strip fastened onto at least one of faces of the glass sheet and that includes at least one element made of damping material ha... | 04/26/2011 |
| 7921961 | Chromate-free resin-composite vibration deadening material A chromate-free resin composite damping material is provided having a multilayer structure. The material can include an viscoelastic resin composition provided between two metal plates as an intermediate layer, where the viscoelastic resin composition can include a ... | 04/12/2011 |
| 7823691 | Apparatus for retaining a component that transfers solid-borne sound An apparatus for retaining a component that transfers solid-borne sound includes a solid-borne sound damper having at least one spacer made of brake lining material arranged in association with the component. ... | 11/02/2010 |
| 7753166 | Resonant frequency adjustor and method of utilizing the same A resonant frequency adjustor for mounting onto an exhaust pipe of an exhaust system of a vehicle adjusts the resonant frequency(s) of the exhaust pipe to minimize or control vibration transmitted to the vehicle and/or to tune the sound emitted by the exhaust system... | 07/13/2010 |
| 7743881 | Vibration damping device and bucket for construction machine A vibration damping device capable of maintaining high vibration damping effect, and a bucket for a construction machine. The vibration damping device has a laminated plate (20) having at least its inner region fixed in a noise-emitting base material (11 | 06/29/2010 |
| 7721844 | Vibration damping apparatus for windows using viscoelastic damping materials An improved vibration damping system is provided for use with window structures. The window damping system employs both air-film damping technology and viscoelastic damping materials to increase mechanical and/or acoustic vibration damping in window structures. ... | 05/25/2010 |
| 7681689 | Vibration damping device and bucket for construction machine A vibration damping device capable of maintaining high vibration damping effect, and a bucket for a construction machine. The vibration damping device has a laminated plate (20) having at least its inner region fixed in a noise-emitting base material (11 | 03/23/2010 |
| 7650963 | Acoustic isolator for well logging system An acoustic isolator for attenuating through-tool acoustic signals comprises a plurality of u-shaped link members, where each link member has two sets of ears. A plurality of yoke members are adapted to fit between cooperating sets of ears. A plurality of pins conne... | 01/26/2010 |
| 7565950 | Sound suppression material and method A sound suppression method includes using a passive noise suppression technology to destructively interfere with a sound wave propagating through a structure at portions of the structure that are positioned apart less than half of a wavelength of the sound wave.... | 07/28/2009 |
| 7500540 | Suction muffler for a hermetic compressor A system for closing a suction muffler of a hermetic compressor, the suction muffler including: a hollow base; a cover to be coupled to the hollow base, the parts defined by the hollow base and the cover including respective mutually seatable peripheral flanges, whi... | 03/10/2009 |
| 7434656 | Exhaust device for vehicle engine An exhaust device includes an exhaust pipe connected at its upstream end to a cylinder head of the engine and an exhaust muffler connected to the downstream end of the exhaust pipe for suppressing the generation of noise from a heat insulating cover that covers a pa... | 10/14/2008 |
| 7424930 | Vibratory energy dissipation and isolation with magnetically biased rolling members A coupling device is interposed between an electronic or electro-acoustic component and a supporting structure for draining, transmitting and dissipating vibratory energy generated within the component, while isolating the component from vibratory energy emanating f... | 09/16/2008 |
| 7372275 | Gradient coil apparatus and method of assembly thereof A gradient coil assembly and a method for manufacturing the gradient coil assembly is provided. The gradient coil assembly includes an insulator sheet formed into a tube extending along an axis. The assembly further includes a first electrically conductive sheet dis... | 05/13/2008 |
| 7355776 | Acoustic damping material for electro-optic materials An acoustic damping material for electro-optic material has an adhesive material combined with a ceramic crystalline material such that the acoustic impedance of the combined adhesive material and the ceramic crystalline material is substantially the same as the aco... | 04/08/2008 |
| 7350775 | Method of manufacturing a fluid-filled cylindrical damping assembly A method of manufacturing a fluid-filled cylindrical damping assembly having sufficiently large extraction-resisting force in an axial direction of a metallic shaped product and an intermediate sleeve by the process following. There is provided a sealing rubber laye... | 04/01/2008 |
| 7328770 | Strap silencer There is a noise reduction device for reducing noise from a vibrating strap. There is a securing member including a strip of material having a first surface including hook material and a second surface including loop material, wherein the securing member is configur... | 02/12/2008 |
| 7328879 | Equipment installation support on foundation A bearing washer is inserted into a horizontally elongated recess formed within the top flat surface of an upper tapered wedge of a support assembly through which equipment is adjustably positioned on a foundation. The upper wedge is vertically and horizontally adju... | 02/12/2008 |
| 7325570 | Method and apparatus for noise suppression in a fluid line An energy attenuation method and apparatus for a system conveying liquid under pressure. The apparatus is disposed in a liquid conveying structure of the system and includes first and second outer hose conduits, each of which respectively defines an associated first... | 02/05/2008 |
| 7324653 | Suspension means for transducer A suspension tube for a transducer, wherein the suspension tube also functions as a sound-guide for directing sound between the transducer and the external cabinet of an audio processing device, wherein the suspension tube has means for forming a connection with the... | 01/29/2008 |
| 7318499 | Noise suppression structure and method of making the same An integrated noise suppression acoustic panel includes a back plate, a face plate, and a bulk foam absorber disposed between the back plate and the face plate. The bulk foam absorber is formed of a thermoset material, such as bismaleimide or phenolic, and is manufa... | 01/15/2008 |
| 7300032 | Vibration and noise abatement pad A base pad for supporting mechanical machines and equipment and which is configured such that it reduces the noise and vibration emanating from these machines. The pad is constructed entirely from shredded and comminuted rubber tires and is configured such that it p... | 11/27/2007 |
| 7296654 | Tunable stacked plate vibration isolator Disclosed is a method and apparatus for reducing vibrations in an electrical device, wherein the apparatus comprises a plurality of stacked metal plates, wherein the stacked metal plates move frictionally opposed to one another upon excitation of the device, and whe... | 11/20/2007 |
| 7288290 | Process for applying multi-component composite coatings to substrates to provide sound damping and print-through resistance A process is provided for applying multi-component composite coating compositions to substrates to provide sound damping and print-through resistance. The process includes applying at least one first coating composition to a surface of the substrate; applying at lea... | 10/30/2007 |
| 7286871 | Method and apparatus for reducing contamination of an electrical signal The method of reducing contamination of electrical signals recorded in the presence of repeated interference contamination comprises obtaining an electrical signal recorded in the presence of a contaminating signal, and detecting a timing signal that occurs at a fix... | 10/23/2007 |
| 7286320 | Hard disk drive having a damper for reducing vibrations A hard disk drive having a vibration reducing damper is disclosed. The hard disk drive is provided with a damper which is interposed between a through hole provided at a cover plate and a screw joined to the upper end of the shaft of a spindle motor, and includes at... | 10/23/2007 |
| 7273128 | Vibration proofing heat shield plate A vibration proofing heat shield plate fixed such as to cover at least a part of a heat source while forming a gap with respect to a surface of the heat source is provided with a vibration proofing heat shield plate main body portion, a collar member positioned at a... | 09/25/2007 |
| 7270215 | Loudspeaker enclosure with damping material laminated within internal shearing brace A loudspeaker cabinet with a laminated internal brace which has a first rigid layer coupled to a first exterior panel of the cabinet, a second rigid layer coupled to an a second exterior panel of the cabinet, and a damping layer affixed between the rigid layers wher... | 09/18/2007 |
| 7267196 | Method and apparatus for reducing acoustic noise A squeeze film damper reduces acoustic wave transmission by the damping and spring forces produced by squeezing a very thin layer of air trapped between two vibrating plates. The damping effect is most pronounced when the gap between vibrating plates is very small, ... | 09/11/2007 |
| 7263851 | Refrigerator A refrigerator comprises: a body having a storage chamber and a mechanical chamber; a base plate arranged in the mechanical chamber without a direct contact with the body, and having a compressor; a first supporting member coupled to the body and supporting the body... | 09/04/2007 |
| 7251100 | Mounting interface for a spindle motor A mounting interface for a spindle motor allows the optimization of the spindle dynamics. The mounting interface provides a steadfast relationship between a motor and a baseplate, wherein the mounting interface includes at least three surface points forming a single... | 07/31/2007 |
| 7249653 | Acoustic attenuation materials Acoustic attenuation materials are described that comprise outer layers of a stiff material sandwiching a relatively soft elastic material therebetween, with means such as spheres, discs or wire mesh being provided within the elastic material for generating local me... | 07/31/2007 |
| 7240766 | Sound dampening pad An easy to manufacture and install sound dampening pad for a printing blanket sleeve is provided. The pad effectively attenuates noise emanating from the sleeve during air pressurized mounting and dismounting of the blanket sleeve to an underlying cylinder. The soun... | 07/10/2007 |
| 7240889 | Securing bracket for a floor supported laundry appliance A securing bracket for a floor supported laundry appliance, such as a washing machine or a clothes dryer. The securing bracket is connected between the rear legs of the appliance and an adjacent wall to prevent skidding of the appliance on the floor. The securing br... | 07/10/2007 |
| 7228935 | Attachment pin for an exhaust-gas muffler The invention relates to an attachment pin (1) for fixing an exhaust-gas muffler (2) in an apparatus part (4) of a portable handheld work apparatus (5) driven by an internal combustion engine. The exhaust-gas muffler (2) includes e... | 06/12/2007 |
| 7222823 | Payload adapter A payload adapter consists of a body that when hollow includes a plurality of stiffeners—radial and/or circumferential—or alternatively a core for carrying shear loads. The body may include a first annular face sheet, a second annular face sheet and a plurality ... | 05/29/2007 |
