| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 181200000 | Machine type enclosure | 49 |
| 20080236936 | SOUNDPROOF COVER - The present invention provides a soundproof cover comprising: a sound-absorbing material having air permeability; and a skin material impregnated with a viscoelastic material and having air permeability, wherein the skin material is provided on a surface of the sound-absorbing material opposite to a sound source, and wherein the soundproof cover has a three-dimensional shape corresponding to an outer shape of the sound source. | 10-02-2008 |
| 20090000860 | Array Plate Apparatus Having Tunable Isolation Characteristics - An apparatus having an array plate and an isolation section joined to the perimetrical edge of the plate. The isolation section has a plurality of isolation layers and a plurality of intermediate layers alternately arranged wherein an intermediate layer is positioned between consecutive isolation layers. An innermost isolation layer is joined to the perimetrical edge of the array plate and an outermost isolation layer is adapted to be joined to a hull structure of an underwater vehicle. Each isolation layer is made from energy absorbing material and each intermediate layer is made from generally rigid material. The isolation section substantially reduces vehicle self-noise from traveling to the array plate. Interchangeable depth stop members having various geometries are used to adjust the stiffness of the isolation section so as to maximize the isolation characteristics of the isolation section at particular water depths at which the underwater vehicle operates. | 01-01-2009 |
| 20090000861 | Sound insulation cover - The sound insulation cover includes: a cover member | 01-01-2009 |
| 20090114475 | 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 surroundings. Using the muffling device, a person can enjoy fresh-ground coffee at any time with the assurance that the sound from the coffee grinder is well insulated. The device is particularly easy to deploy and use, requires no moving parts, and is flexible enough to work with the majority of coffee grinder products currently on the market. Other embodiments can be used with other forms of kitchen appliances. | 05-07-2009 |
| 20090205902 | SOUND INSULATION STRUCTURE WITH RESONATOR - To enhance the noise reducing effect of a sound insulation structure which includes a cover member for covering a power unit from the outside so as to reduce the radiant sound generated from the power unit, and a resonator. A sound insulation structure includes an armor cover for covering a left case half and a left cover constituting a side part cover of the power unit from the left side so as to reduce the radiant sound generated from the side part cover and enhance an appearance quality of the power unit, and the resonator capable of resonating at a specified frequency of the radiant sound. The resonator is disposed in a space formed between the side part cover and the armor cover in the state of being out of contact with the armor cover, and is attached to the side part cover in contact with the latter. | 08-20-2009 |
| 20090242321 | Acoustic liners - An acoustic assembly for a fan casing of a turbofan engine is made up from acoustic liner panel components which each comprise a body and a backing sheet. The body is an integral injection moulding comprising an acoustic structure, a perforated sheet and fastening portions. Adjacent panel components engage each other at non-linear circumferential edges which comprise lugs on one of the components which are received in recesses of the other component. The lugs are defined by following cell walls over a convoluted path along the circumferential edge. | 10-01-2009 |
| 20100000820 | PRESSURE-BALANCED ELECTROMECHANICAL CONVERTER - A pressure-balanced electromechanical converter is described including a structure that converts displacement into electrical energy or electrical energy into displacement, said structure designed to separate an enclosed volume for an outside pressure wave channel, wherein said enclosed volume has a filtering pressure transparent connection to said outside pressure wave channel with said filtering connection be pressure transparent to static pressure or low frequency pressure waves and filtering pressure waves at higher frequencies. | 01-07-2010 |
| 20100084218 | SOUND DAMPENING HOUSING FOR ROCK DRILL - The invention relates to a sound dampening housing for a rock drill which moves along a feed beam in a longitudinal direction thereof, the sound dampening housing being attachable to the feed beam of the rock drill on its both sides so that together with the feed beam the sound dampening housing constitutes a substantially closed space. The sound dampening housing is double-shelled, and an airspace is provided between its inner shell and its outer shell. | 04-08-2010 |
| 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 caused by high heat of the engine from occurring. The engine room for construction equipment having a noise trap includes an engine, a radiator cooling water for cooling the engine, a shroud fixed to the radiator to form a moving path of external air, a circulating fan making the external air flowing into the engine room through an inlet port pass through the circumference of the engine and discharging the air having passed the engine to an outside of the engine room through an outlet port during rotation of the circulating fan, and a noise trap composed of a frame mounted on one side wall of the engine room and noise attenuation members fixed to the frame in layers so that the noise attenuation members become in contact with the noise emitted from the engine room to the outside of the engine room to shield and attenuate the noise. | 08-26-2010 |
| 20110017544 | ACOUSTIC DAMPENING ENCLOSURE FOR A MECHANICAL DEVICE - A two-component elastomeric enclosure surrounding a mechanical device can effectively attenuate the noise and vibration associated with the device. The outer shell of the enclosure comprises a castable polyurethane elastomer, while the inner shell of the enclosure comprises polymeric foam. The inner foam layer of the enclosure can contact both vertical and horizontal surfaces of the enclosed device in order to immobilize it within the enclosure, and to enhance the dampening effect of the enclosure on acoustic and mechanical vibrations. The enclosure can act as a vertical and horizontal supporting structure for the enclosed mechanical device. The enclosure may in turn be fastenable to a housing or frame member via relatively stiff elastomeric bushings, pads or mounts, in order to further reduce the transmission of vibrations originating from the mechanical device. The enclosure can be molded in a two-stage pour-molding process using a cavity mold and two forming dies—one for each layer of the enclosure. The second stage of the molding process allows the inner foam layer to bond to the outer shell of the enclosure during the curing process, and to have inner dimensions that can make close contact with pre-determined portions of the device for which the enclosure is being produced. Highly customized cavity molds and forming dies can be created using rapid manufacturing or prototyping techniques. | 01-27-2011 |
| 20110162907 | BOTTLING PLANT WITH A MACHINE ENCLOSURE, WHICH MACHINE ENCLOSURE COMPRISES RESILIENT SEALS TO PERMIT CLEANING FLUID FROM INSIDE THE MACHINE ENCLOSURE TO EXIT THROUGH THE RESILIENT SEALS, AND A RESILIENT SEAL STRUCTURE - A bottling plant with a machine enclosure, which machine enclosure comprises resilient seals to permit cleaning fluid from inside the machine enclosure to exit through the resilient seals, and a resilient seal structure. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. §1.72( | 07-07-2011 |
| 20110168481 | Sound Damper for Compressed Air Systems of Vehicles - The invention relates to a sound damper for compressed air systems of vehicles. Said sound damper comprises a housing ( | 07-14-2011 |
| 20110226545 | ACOUSTIC ISOLATION MECHANISM - A rigid removable case for a portable electronic device may have an acoustic isolation mechanism between the rigid removable case and an acoustic component on the electronic device. The acoustic isolation mechanism may be a compressible component that may provide an air seal between an interior surface of the removable case and an exterior surface of the electronic device. The acoustic isolation mechanism may be constructed of several different materials and several different manufacturing processes. | 09-22-2011 |
| 20110290582 | SOUND-DAMPING HOUSING FOR A PUMP AND FOR A DRIVE MOTOR FOR SAID PUMP - Sound-damping housing for a pump and for a drive motor for said pump, comprising a block-like casing assembled from sound-damping panels and provided with a support construction and a first door opening for successively placing into and removing from the casing the pump and its drive motor on the support construction, and with at least one guide extending over the support construction transversely of the door opening for the purpose of guiding a pump and its drive motor to be placed in the casing. | 12-01-2011 |
| 20110290583 | SOUND-INSULATING LAMINATED STRUCTURE AND METHOD FOR THE PRODUCTION THEREOF - Herein provided is a sound-insulating laminated structure which is excellent in the ability of insulating low frequency sounds whose frequency falls within the range of from 200 to 1000 Hz. The sound-insulating laminated structure comprises a first glass wool layer, a metal foil layer free of any opening and a second glass wool layer. The first and second glass wool layers are ones each prepared by collecting and combining short glass fibers through the application of an uncured thermosetting phenol resin to the short glass fibers to thus give a web of glass wool prepreg and then molding, with heating, the web into a sound-insulating laminated structure having a desired shape. | 12-01-2011 |
| 20130062140 | Compressor Housing Having Sound Control Chambers - A compressor assembly having a housing with a number of sound control chambers. A method of controlling a sound level of a compressor assembly having a step of providing a plurality of sound control chambers. A method of controlling a sound level of a compressor assembly having a step of eliminating an operator's line-of-sight view to noise producing components of the compressor assembly. Sound level of a compressor can be controlled by separating the internal volume of a housing which encases at least a portion of a pump assembly to create sound control chambers and/or eliminating an operator's line-of-sight view to noise producing components of the compressor assembly. | 03-14-2013 |
| 20160097357 | SOUNDPROOF COVER FOR FUEL PIPE - A soundproof cover for a fuel pipe includes a cover body and a clip. The cover body covers a fuel pipe. The clip is coupled to the cover body and configured to hold the fuel pipe. The clip includes a clamp portion and a grip portion. The clamp portion is disposed inside the cover body and configured to hold the fuel pipe. The grip portion is coupled to the clamp portion and exposed to an outside of the cover body. | 04-07-2016 |
| 181201000 | Offfice type devices (e.g., typewriters, teleprinters, etc.) | 1 |
| 20150343816 | ELECTRONIC DEVICE AND IMAGE FORMING APPARATUS - An electronic device comprises: a shielding object that is arranged at least in a plurality of directions and shields noise; and a Helmholtz silencer that is arranged in a direction where the shielding object does not exist, the shielding object and the silencer being arranged with respect to a noise source causing noise such as a driving source that is arranged inside an apparatus body, wherein a neck portion of the Helmholtz silencer is directed to the noise source, a plurality of such Helmholtz silencers are provided to correspond to at least two kinds of frequencies, and installed number of the Helmholtz silencers corresponding to at least two kinds of the frequencies respectively, is made different depending on a distance from the noise source. | 12-03-2015 |
| 181202000 | Electical type devices (e.g., transformers, motors, etc.) | 12 |
| 20100059310 | System and method for suppressing noise generated from a computer casing - An enclosure containing and operating electronic equipment is envisioned. The enclosure alleviates sound energy emanating from the enclosure. The enclosure is made from a plurality of exterior walls. An aperture is disposed in one of the exterior walls, where the aperture is operable to draw an airflow into the enclosure. A structure is disposed adjacent to the aperture interior to the enclosure. The interior structure is made of a first wall disposed in the enclosure to block the aperture from a line of sight to a noise source emanating from within the enclosure. The interior structure also has a lower wall, an upper wall, and a side wall all connected to the first wall. The interior structure forms an open-ended cage about the aperture. | 03-11-2010 |
| 20100187037 | Sound Absorbing Structure of Electronic Equipment - In order to provide sound absorbing structure capable of reducing the noise of electronic equipment while maintaining the cooling capability of the electronic equipment, there is provided sound absorbing structure in which a plurality of penetrating openings are provided by arranging a plurality of acoustic materials having a predetermined shape at predetermined intervals in a flow channel of cooling fluid from a blower, and the plurality of acoustic materials are arranged so that the sound vertically incident on a penetrating plane of the penetrating openings from the blower does not directly go out of the electronic equipment. | 07-29-2010 |
| 20110147115 | NOISE-REDUCING DEVICE AND METHOD FOR REDUCING NOISE - A device has at least one region to be damped for the purpose of noise reduction. The at least one region may, in particular, be a wall region, for instance of an electrical device housing, and it is covered at least partially by at least one vacuum panel. In the noise reduction method, a vacuum panel is pulled by vacuum pressure against the region to be damped, so that a hollow space under vacuum pressure is formed between the vacuum panel and a housing. | 06-23-2011 |
| 20110155503 | SYSTEMS AND METHODS FOR PROVIDING AIRFLOW - An exemplary embodiment of the present invention provides a silencer. The silencer includes an enclosure with a first airflow path configured to allow air to pass through the enclosure and attenuate noise entering the enclosure. The enclosure also includes an opening configured to provide a second airflow path if the first airflow path is obstructed. | 06-30-2011 |
| 20110259664 | 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 substantially fixed positions. | 10-27-2011 |
| 20130264143 | ACOUSTIC ISOLATION MECHANSIM - A rigid removable case for a portable electronic device may have an acoustic isolation mechanism between the rigid removable case and an acoustic component on the electronic device. The acoustic isolation mechanism may be a compressible component that may provide an air seal between an interior surface of the removable case and an exterior surface of the electronic device. The acoustic isolation mechanism may be constructed of several different materials and several different manufacturing processes. | 10-10-2013 |
| 20140202787 | ACOUSTIC ISOLATION MECHANISM - A rigid removable case for a portable electronic device may have an acoustic isolation mechanism between the rigid removable case and an acoustic component on the electronic device. The acoustic isolation mechanism may be a compressible component that may provide an air seal between an interior surface of the removable case and an exterior surface of the electronic device. The acoustic isolation mechanism may be constructed of several different materials and several different manufacturing processes. | 07-24-2014 |
| 20140339012 | ACOUSTIC ISOLATION MECHANISM WITH MEMBRANE - A removable case for an electronic device may have an acoustic isolation mechanism between the removable case and an acoustic component on the electronic device. The acoustic isolation mechanism may be a compressible component that may provide an acoustic seal between an inner surface of the removable case and an exterior surface of the electronic device, and may include a waterproof acoustic membrane. The waterproof membrane prevents the entry of water while reacting to sound pressure changes to acoustically couple the electronic device with sounds outside the case. The acoustic isolation mechanism may be constructed of several different materials and several different manufacturing processes. | 11-20-2014 |
| 20150034411 | VOLUME AMPLIFYING ASSEMBLY AND PORTABLE ELECTRONIC DEVICE PACKING CASE USING THE VOLUME AMPLIFYING ASSEMBLY - A portable electronic device packing case includes a packing body and a volume amplifying assembly received in the packing body. The volume amplifying assembly includes a volume amplifying body. The volume amplifying body includes a top wall formed on one end of the volume amplifying body, a side wall connected to the top wall, and a supporting member for supporting a portable electronic device positioned in the volume amplifying body. The top wall defines a plurality of sound holes therein, and the supporting member has a bottom surface defining a plurality of sound transmitting holes. The top wall, the side wall, and the supporting member cooperatively define a sound chamber for sound emitted by the electronic device to resonate therein. | 02-05-2015 |
| 20150041245 | SOUND ENHANCING CASE FOR ELECTRONIC MEDIA DEVICES - A protective case for a portable electronic media device has been described. The case includes a rotatable member that transitions from a stowed position to an open position. In the open position the rotatable member is positioned in front of a speaker of the portable electronic media device such that it redirects sound waves emitted from the speaker towards the user. | 02-12-2015 |
| 20150060190 | REDUCING NOISE AND TEMPERATURE DURING MEASUREMENTS IN CRYOSTATS - A device is disclosed to reduce noise and temperature during measurements in cryostats comprising, the device comprising any of, or a combination of, the following PC boards, each conditioning a different frequency range: a RC-PC board having a two-stage RC filter in series with a surface-mounted pi-filter; a RF-PC board having a plurality of surface-mounted pi-filters in series, each configured with different low-frequency cutoff frequencies; and a Sapphire-PC board having a sapphire substrate having high heat conductivity at low temperature with thin metal films routed in a meandering fashion. | 03-05-2015 |
| 20160093435 | TERMINAL BUSHING SEALING ELEMENT - A terminal bushing sealing element is adapted to be fitted between a terminal bushing and a barrier element. The sealing element is elastic, has an annular shape, and includes a wall with an inner surface and an outer surface. A first opening is provided at a first end of the sealing element and a second opening is provided at a second end of the sealing element, which is opposite to the first end and the wall extends between the first end and the second end. The wall includes a first wall portion that is inclined such that a diameter of the sealing element increases from the first end in the direction towards the second end. The sealing element provides for improved sound attenuation while maintaining a long creepage distance and may be used in sound attenuation casings that are included in power capacitor arrangements. | 03-31-2016 |
| 181203000 | Reaction engine test chamber | 1 |
| 20120318608 | ENCLOSURE FOR THERMAL EQUIPMENT AND METHOD OF CONSTRUCTION - The invention provides an enclosure, in particular, an acoustic enclosure, for thermal equipment, for example a gas turbine or a gas turbine auxiliary module. The invention also provides a method of constructing such an enclosure. | 12-20-2012 |
| 181204000 | Internal-combustion engine | 10 |
| 20090236172 | AIR INDUCTION SOUND MODIFICATION SYSTEM FOR INTERNAL COMBUSTION ENGINE - An air induction sound modification system for an internal combustion engine includes a multi-frequency sound suppression unit having Helmholtz resonators and a multi-component expansion chamber. A sound generator, which functions to radiate sound at a desirable, tuned frequency, extends between the multi-function sound suppression unit and a second expansion chamber, such as an air cleaner box. | 09-24-2009 |
| 20090250290 | Device for Noise Transmisson in a Motor Vehicle - A device for noise transmission of an intake system of an internal combustion engine to the interior of a motor vehicle has a transmission line having an inlet at a first end and an exit provided with a mouth at a second end. A diaphragm is arranged at the second end to close off the mouth and to enable noise transmission. The inlet of the transmission line communicates with the intake system of the internal combustion engine. A protective device is arranged at the second end to protect the diaphragm. | 10-08-2009 |
| 20100108434 | POLYURETHANE FOAM FOR VEHICLE AND METHOD FOR MANUFACTURING THE SAME - A polyurethane foam for vehicles is obtained by reaction, foaming, and curing of a polyurethane-foam raw material comprising polyol, polyisocyanate, a blowing agent, and a catalyst, and is used for vehicle parts. The foam raw material comprises expanded graphite and an inorganic compound hydrate. The polyol preferably comprises polymeric polyol in which a polyether polyol is graft-polymerized with a vinyl monomer, polyether polyol having a mass average molecular weight of from 400 to 1,000 in which a polyhydric alcohol is addition-polymerized with an alkylene oxide, and polyether polyol having a mass average molecular weight of from 2,000 to 4,000 in which a polyhydric alcohol is addition-polymerized with an alkylene oxide. | 05-06-2010 |
| 20100224438 | Acoustically and Thermally Acting Insulation - The invention relates to a multilayered acoustically and thermally effective insulation having a defined layer structure, especially for internal combustion engines of motor vehicles. | 09-09-2010 |
| 20100252357 | SOUND INSULATION STRUCTURE OF INTERNAL COMBUSTION ENGINE - Provided is a sound insulation structure of an internal combustion engine capable of preventing propagation of a sound generated by an injector into an interior of a vehicle. The sound insulation structure of the internal combustion engine includes a V-type cylinder block having a right bank and a left bank; a right bank intake pipe supplying a gas to the right bank; a left bank intake pipe supplying the gas to the left bank and intersecting the right bank intake pipe; in-cylinder injection injectors arranged in a surrounded space surrounded by the right and left banks and the intake pipes; and a sound insulation member arranged in the surrounded space between the in-cylinder injection injectors and an intersection region. | 10-07-2010 |
| 20110147116 | TUNABLE SOUND TRANSMISSION DEVICE FOR A MOTOR VEHICLE - A tunable sound transmission device for transmitting an engine rumble sound into an interior of a motor vehicle includes a transmission line having a first end in acoustic communication with an air intake tract of an engine. A flexible membrane is positioned to sealably close off a portion of the transmission line thereby dividing the transmission line into two portions that are airflow isolated from each other. A receptacle is arranged at the second end of the transmission line and a user changeable sound characterization device is replaceably installed into the receptacle. The sound characterization device is configured and adapted to provide an intended frequency dependent sound attenuation characteristic and an overall sound dampening level for the transmitted engine sound. | 06-23-2011 |
| 20130037345 | ACOUSTIC DAMPENING DEVICE FOR USE IN GAS TURBINE ENGINE - An acoustic dampener comprises a first wall, orifice plate, and second wall. The first wall separates a first fluid source from a second fluid source. The first wall has a hole for allowing fluid communication between the first fluid source and a first cavity of the acoustic dampener. The office plate separates the first cavity of the acoustic dampener from a second cavity of the acoustic dampener. The second wall has a hole for allowing fluid communication between the first cavity of the acoustic dampener in the second cavity of the acoustic dampener. The second wall separates the second cavity of the acoustic dampener from the second fluid source. The second wall has a hole for allowing fluid communication between the second cavity of the acoustic dampener and the second fluid source. In one embodiment, the acoustic dampener is formed in a combustion chamber liner of a gas turbine engine. | 02-14-2013 |
| 20140054105 | DEVICE FOR DAMPING OF SOUNDS AND MOTOR VEHICLE COMPRISING SUCH A DEVICE - Device for damping sounds which comprises a casing ( | 02-27-2014 |
| 20140299403 | STRUCTURE OF SOUNDPROOF COVER FOR ENGINE ROOM - A structure of a soundproof cover for an engine room is mounted on a body frame at a rear side of the engine room in which an engine is mounted. The structure may include two or more piece members that are detachably coupled to each other and collectively form the soundproof cover in a panel shape. The soundproof cover is to be mounted on the body frame so that one side surface of the soundproof cover is directed toward the engine and the other side surface of the soundproof cover is directed toward an interior of a vehicle. | 10-09-2014 |
| 20150096829 | ACOUSTIC DAMPING DEVICE - An acoustic damper includes a neck and a damping volume. The neck has a mouth being in fluid connection with a chamber. The chamber is limited by an inner surface of at least one wall. The acoustic damper device includes a recess located between the mouth of the neck and the inner surface of the wall. | 04-09-2015 |
| 181205000 | Partial enclosure or shroud | 8 |
| 20090120716 | MOTORCYCLE AND MUFFLER STRUCTURE - A motorcycle has a muffler | 05-14-2009 |
| 20090255753 | PERFORATION ACOUSTIC MUFFLER ASSEMBLY AND METHOD OF REDUCING NOISE TRANSMISSION THROUGH OBJECTS - A noise attenuation system is disclosed for use in a structure having a recessed fixture mounted therein or other unit which creates a hole in the structure in which it is secured, such as a ceiling. The noise attenuation system is constructed to permit the absorption of noise emitted into the structure from the mechanism. The noise attenuation includes a noise absorbing muffler positioned within the structure in an area substantially surrounding the mechanism. The noise absorbing layer includes an outer barrier layer that limits the passage of sound waves emitted from the mechanism therethrough. The noise absorbing muffler further includes a noise absorbing layer positioned adjacent the outer barrier layer. The noise absorbing layer absorbs a predetermined amount of sounds waves emitted from the recessed fixture. Additionally, an optional noise absorbing layer, or equivalent decoupling material can be included to decouple the barrier from the structure for low frequency noises. | 10-15-2009 |
| 20090308685 | DIPOLE FLOW DRIVEN RESONATORS FOR FAN NOISE MITIGATION - A fan system includes a rotor supported for rotation about a fan axis. The rotor has a central hub and a plurality of blades each extending outwardly from the hub to a tip. The rotor blades define a rotor plane perpendicular to the fan axis. A first acoustic resonator has an opening disposed on a first side of the rotor plane and a second acoustic resonator has an opening disposed on a second side of the rotor plane. The acoustic resonators are configured to provide a dipole resonator system operable to at least partially reduce a blade pass frequency tone in an upstream and a downstream direction simultaneously. | 12-17-2009 |
| 20100116583 | Enclosure,assembly and method for reducing noise from a pump and mass spectrometry system - The invention provides a noise reducing enclosure for reducing the noise from a vacuum pump, e.g. a roughing pump of a high vacuum system, the vacuum pump having a long axis and the enclosure comprising a noise dampening material and being shaped to radially enclose the vacuum pump along its long axis and being axially open at each end. Airflow is permitted through the enclosure in use and optional integrated cooling means on the pump may assist cooling of the pump. The invention also provides an assembly of the pump and enclosure, a method for reducing the noise from a vacuum pump using the enclosure and a mass spectrometry system comprising: a mass spectrometer having one or more chambers therein which in operation are held under vacuum; and a vacuum pumping system for producing said vacuum, the vacuum pumping system comprising at least one vacuum pump which has a long axis and wherein the mass spectrometry system further comprises a noise reducing enclosure for radially enclosing the vacuum pump along its long axis, wherein the enclosure is axially open at each end. | 05-13-2010 |
| 20110067949 | Soundproof Cover and Method for Producing the Same - The present invention relates to a soundproof cover containing: a sound-absorbing material disposed facing to a sound source; a soft sound-insulating layer laminated on the sound-absorbing material and having an air permeability measured according to JIS L 1018 (1999) of 10 cc/cm | 03-24-2011 |
| 20110094824 | MATERIAL FOR PROCESSING AND MOLDED MEMBER USING MATERIAL FOR PROCESSING - A material for processing includes an elastically deformable single thin plate comprising a plurality of through-holes. The plate has a first wave-like shape, which is formed in a first direction and, in which troughs and ridges are alternately connected in repetition, and a second wave-like shape which is formed in a second direction crossing the first direction and in which troughs and ridges are alternately connected in repetition. The first wave-like shape has a corrugated shape in which the ridges each include a pair of side parts rising from the corresponding troughs and an apex part connected between the pair of side parts. An apex length of the apex part along the first direction is defined as being longer than an opening length, along the first direction, between base parts of the pair of side parts. | 04-28-2011 |
| 20110259665 | ACOUSTIC SYSTEMS FOR LIGHTING IN SUSPENDED CEILINGS - An acoustic housing, a light fixture, a suspended ceiling system, and a method of decreasing sound transfer from a light fixture in a suspended ceiling are disclosed. An acoustic hood for a light fixture in a suspended ceiling may include a partially enclosed space formed between a plurality of wall portions. A light fixture may include first and second layers that are coupled to one another and form a partially enclosed space. A suspended ceiling system may include the acoustic hood or light fixture. The method relates to disposing an acoustic housing spaced from the light fixture. | 10-27-2011 |
| 20150096830 | DEVICE AND METHOD FOR REDUCING NOISE - A device for and methods of reducing sound vibrations in a liquid resulting from a sound source arranged below the liquid level of a body of water are disclosed. The device includes an elongate tube which can be arranged over the sound source, the tube comprising an outer wall and inner wall with an intermediate space between the inner and outer wall. | 04-09-2015 |
