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| Number | Title | Issue Date |
| 8028794 | Case for an electronic device A case for an electronic device can include two pieces. A first piece can be configured to be attached to the electronic device in a substantially fixed position. A second piece can be configured to be attached to the electronic device in one of multiple substantial... | 10/04/2011 |
| 7644802 | Performance flow guide for improved acoustics Flow guides in the form of extensions that project internally from the housing of an electronic consumer device can contribute to undesirable noise emissions from the device. Proposed is an improved flow guide or extension that reduces propagation of flow induced vi... | 01/12/2010 |
| 7398855 | Compressor sound attenuation enclosure A sound attenuating cover for a scroll compressor is provided. The cover has a base member configured to support the compressor, the base defines a first chamber filled with a sound attenuating material. The sound attenuating chamber further has a cover member confi... | 07/15/2008 |
| 7357219 | Sound attenuating cover for domestic air conditioner compressors A sound attenuating cover is adapted for intimate fitment to a compressor of a domestic air conditioner, and comprises an outer sleeve member and a generally circular top member which is releasably secured to the outer sleeve member. Hook and loop fasteners secure a... | 04/15/2008 |
| 7337876 | Suction apparatus with noise reduction means A suction apparatus is provided with noise reduction means in one or more airflow passages for reducing noise emission from an airflow generator or the like, wherein at least one airflow passage is provided with at least one indentation with a predetermined depth ex... | 03/04/2008 |
| 7334662 | Equipment enclosure acoustical door with low impedance distributed air flow An acoustic door for an equipment enclosure, such as a rack mount cabinet, also provides a low impedance air flow uniformly delivered across the cabinet opening. A pair of metal panels, with acoustic foam along the rear surfaces, extend angularly outward and toward ... | 02/26/2008 |
| 7314113 | Acoustic absorbers for use with computer cabinet fans and other cooling systems Systems and methods for absorbing acoustic noise generated by computer cabinet cooling fans are described herein. In one embodiment, an acoustic absorber for use with a fan carried by a computer cabinet in a room includes a first acoustic panel spaced apart from a s... | 01/01/2008 |
| 7286349 | Ventilated casing for an electronic device The present invention provides a ventilated casing for an electronic device. The ventilated casing includes a housing which has a ventilation inlet and a ventilation outlet. The ventilated casing also includes a high speed fan for moving air from the ventilation inl... | 10/23/2007 |
| 7255529 | Cooling fan mounting arrangement with vibration isolation member A mounting arrangement for mounting a cooling fan to a support member (30) includes a fan frame (10) having a mounting flange (14) for confronting with the support member, and a plurality of vibration isolation members (20) attached to th... | 08/14/2007 |
| 7201011 | Integrated noise and heat management system An integrated noise and heat management system for the management of noise and heat around a heat and noise source is described. The system includes an enclosure for surrounding the heat and noise source, the enclosure having a double wall structure defining an air ... | 04/10/2007 |
| 7159691 | Casing for leaf blower Conventional leaf blowers have a supporting frame to where the different components are attached. In order to reduce the noise from the tool and protect some of the components are they provided with covers. This makes the tool heavy and complicated for the operator ... | 01/09/2007 |
| 7141974 | Active-passive electromagnetic shielding to reduce MRI acoustic noise The present invention provides an apparatus for reducing acoustic noise in a magnetic resonance imaging device including passive shielding located outside the actively shielded gradient winding elements in order to reduce the magnitude of fields that spread outside ... | 11/28/2006 |
| 7111691 | Breaking hammer, and fastening element, side plate, and protective casing of breaking hammer A crushing hammer, and a fastening element, side plate, and protective casing for the crushing hammer. The crushing hammer comprises at least two alternative fastening elements with which it can be fastened to a boom of a work machine. The fastening can be done with... | 09/26/2006 |
| 7024802 | Air flow structure of dryer Provided is an air flow structure for a dryer, which includes a drying fan, and an air guide having a bent and inclined shape so as to guide flow of a circulation air discharged by the drying fan. This air flow structure improves air circulation flow in the dryer, r... | 04/11/2006 |
| 6998949 | Magnetic resonance imaging (MRI) system comprising acoustic resonators The invention relates to a magnetic resonance imaging (MRI) system (1) comprising an examination volume (11), a main magnet system (17) for generating a magnetic field (B0) in the examination volume, and a gradient magnet system (25 | 02/14/2006 |
| 6945845 | Chemical mechanical polishing apparatus with non-conductive elements Conductive elements of a chemical mechanical polishing system may generate undesired eddy currents under the influence of a time-dependent magnetic field used in an eddy current monitoring system. To improve the accuracy of an eddy current monitoring system, element... | 09/20/2005 |
| 6932190 | Sound jacket for noise reduction in refrigeration apparatus An insulating jacket for refrigeration system component comprising a closed cell insulation layer comprising an inner and outer surface, an open cell foam layer comprising an inner and outer surface, the inner surface in contact with the outer surface of the closed ... | 08/23/2005 |
| 6913112 | Noise attenuation assembly The present invention provides a noise attenuation assembly having at least one noise prevention pad disposed within an annular gap formed between a gas passage tube and an overlap tube. The noise prevention pad prevents the two tubes from coming in contact during t... | 07/05/2005 |
| 6872057 | Hermetic compressor casing A hermetic compressor casing is capable of reducing transmission of vibration to the outside environment by blocking the vibration from the compressor body. The hermetic compressor casing encloses a refrigerant compressing means, which draws in low temperature and l... | 03/29/2005 |
| 6810990 | Method and apparatus for reducing acoustic noise in MRI scanners A technique for reducing acoustic noise emitted by a magnetic resonance imaging system includes providing energy dampening elements in the scanner, such as within the gradient coil assembly, between the gradient coil assembly and the primary magnet, and around the o... | 11/02/2004 |
| 6810989 | System for insulating the sound emanating from a motor/pump unit In an arrangement comprising a motor/pump unit and a sound-deadening cover, the sound-deadening cover absorbs the airborne noise emitted by the motor/pump unit. On the other hand, the sound-deadening cover acts like the diaphragm of a loudspeaker for the structurebo... | 11/02/2004 |
| 6772856 | Fine jet control-type sound absorption system The fine jet control type sound absorption system of this invention, aimed at absorbing low-frequency sound with both discrete frequency and broadband frequency to the same degree as already existing acoustic lining can do, is composed of two parts. One is a barrier... | 08/10/2004 |
| 6766879 | Sound reducing device for a coffee grinder and other kitchen appliances A device and a method for reducing or muffling sound from kitchen appliances such as coffee grinders. The sound reducing or muffling device can be left on the appliance even when not in use, providing a decoration to the kitchen in a style appropriate to it's surrou... | 07/27/2004 |
| 6755278 | Employment of sound dampers in household appliances and electrical appliances with sound dampers To dampen a sound created in an electrical tool or appliance having an air passage through which air is being forced, a sound damper is placed in the air passage. Preferably, a filter is provided upstream of the sound damper to prevent suspended particles, fibers, f... | 06/29/2004 |
| 6722466 | Acoustic blanket for machinery and method for attenuating sound An acoustic blanket is disclosed for an industrial machine including a plurality of flexible panels, wherein each panel includes at least one layer of a fiber glass material, an outer casing of a chemically resistant material and an attachment for connecting the pan... | 04/20/2004 |
| 6571908 | Shielding enclosure A shielding enclosure, for example an appliance sound enclosure comprises a base, a front shield and a top shield. The base is fixed onto a surface and has a back wall and pair of sidewalls connected to the back wall. The front shield is adapted to be rot... | 06/03/2003 |
| 6564900 | Method and apparatus for reducing acoustic noise in MRI scanners A technique for reducing acoustic noise emitted by a magnetic resonance imaging system includes providing energy dampening elements in the scanner, such as within the gradient coil assembly, between the gradient coil assembly and the primary magnet, and a... | 05/20/2003 |
| 6550571 | Noise reduction structure for cab of working vehicle A noise reduction structure for a cab of a working vehicle, by which a high degree of noise reduction effectiveness can be surely obtained, is provided. For this purpose, the noise reduction structure has a configuration in which a sound-insulating chambe... | 04/22/2003 |
| 6512831 | Noise abatement apparatus for appliance cabinet and method for reducing noise generated by an appliance Apparatus for reducing noise emitted from an appliance having a cabinet that supports at least one component that emits at least one acoustic pressure wave therefrom. In a preferred form, the apparatus comprises at least one diffuser having at least one d... | 01/28/2003 |
| 6481527 | Methods and apparatus for attenuating noise from a cabinet that houses computer equipment An apparatus attenuates noise from a cabinet that houses computer equipment. The apparatus includes a frame, a set of positioning members to position the frame relative to the cabinet, and lateral noise absorption members that are supported by the frame. ... | 11/19/2002 |
| 6424887 | Motor noise silencer with vibration-based cooling system A motor noise silencer reduces noise at a source, such as an unbalanced electromechanical motor. The silencer, in one embodiment, comprises a multi-layer shell and an integrated vibration-based cooling system. The shell has an inner layer, a middle sound ... | 07/23/2002 |
| 6376951 | Cover for marine generators 13A cover for a marine generator that attenuates the noise produced by the generator when operating and shields the generator from overhead water damage. The cover includes a substantially water resistant flat top wall having a layer of sound-absorbing ma... | 04/23/2002 |
| 6340068 | Use of a material with a high internal damping for a component of a sound-emitting machine A sound generating or emitting machine having a component comprising a material with a high internal damping and tensile strength, the material comprising (1) a metallic base material, and (2) a metallic second phase with an at least partially martensitic... | 01/22/2002 |
| 6330930 | Receptacle for sound-damping accommodation of a unit which can be installed in a motor vehicle A container for the noise-muffling accommodation of a unit to be installed in a vehicle, such as an electric motor, a pneumatic pump or the like, has two container parts. Each container part is formed by a foam part and is fitted together to form a closed... | 12/18/2001 |
| 6321557 | Housing apparatus Noise attenuating apparatus for housing, inter alia, a compressor and/or condenser unit, the apparatus comprises a substantially box-shaped outer shell and an inner shell which houses the unit. The outer shell is formed with a primary air inlet to receive... | 11/27/2001 |
| 6273213 | Noise suppression louver having horizontal and vertical slats A noise suppression louver for an enclosure, in particular, an apparatus for suppressing sound at the openings which allow air to enter or exit an internal combustion engine enclosure. The louver comprises a matrix of intersecting horizontal and vertical ... | 08/14/2001 |
| 6254337 | Low noise air blower unit for inflating thermal blankets An air blower unit operates with reduced noise while providing a stream of warmed air. The blower unit includes a housing with an inlet at a first end and an outlet at a second end. A support positions the housing above a support surface such that the inl... | 07/03/2001 |
| 6244377 | Apparatus for absorbing machinery sound A machinery sound absorbing apparatus includes a machine which generates a machinery sound, and a sound absorbing unit provided above the machine to have a convex shape in an upward direction. The sound absorbing unit includes a reflection plane as an und... | 06/12/2001 |
| 6236575 | Reduced-noise relay A reduced-noise relay has an inside housing and an outside housing. Inside terminals are connected to outside terminals via stranded conductors. An additional intermediate cap of elastomer is plugged over the inside housing with the stranded conductors in... | 05/22/2001 |
| 6189649 | Soundproofing system, and a soundproofing element, for an electrical machine A soundproofing system is proposed for an electrical machine, in particular a generator. The soundproofing system has a plurality of airtight soundproofing elements mounted releasable attached in an airtight manner using seals and fasteners to a casing fr... | 02/20/2001 |
