| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 181211000 | Combined | 21 |
| 20090078495 | Baffle equipped with flap assembly - The present invention relates to an acoustic baffle device for sealing a cavity of a vehicle body at a predetermined cross section of the cavity, comprising a piece of sealing material that is formed in a shape corresponding to but being smaller than the shape of the cross section of the cavity. The acoustic baffle device of the invention is characterized in having a flap assembly having a lower neck defining a passage for a flexible tube or a similar device, said lower neck having a flap secured in closed position by a locking device and being connected preferably to the lower end of the lower neck through means that permit the reversible opening of the above-defined passage. Furthermore, the present invention relates to a flap assembly useful for such an acoustic baffle device, and to a process for sealing a cavity of a vehicle body at a predetermined cross section of the cavity. | 03-26-2009 |
| 20090127022 | PASSIVE VALVE AND RESONATOR ASSEMBLY FOR VEHICLE EXHAUST SYSTEM - An exhaust system includes first and second exhaust components with an inter-pipe that fluidly connects an outlet of the first exhaust component to an inlet of the second exhaust component. A passive valve is mounted within the inter-pipe. The second exhaust component defines an internal cavity that is at least partially packed with a high frequency absorption material and cooperates with the passive valve to effectively attenuate low and high frequency noise. | 05-21-2009 |
| 20100282537 | ASSEMBLY OF TIRE AND RIM - The present invention provides an assembly of a tire and a rim, which assembly has on the tire inner cavity side thereof a sound absorbing member capable of effectively suppressing cavity resonance and reducing road noise, while suppressing increase in weight of the tire and increase in volume of the sound absorbing member. In this assembly of a tire and a rim, the sound absorbing member is mounted on the inner cavity side of the tire as a sound absorbing layer for suppressing cavity resonance inside the tire. The sound absorbing member is unwoven cloth made of plural fibers, and the average distance d between fibers constituting the unwoven cloth is within the range of 0.50δ to 4.00δ. | 11-11-2010 |
| 20110005856 | EXHAUST SILENCER - An exhaust silencer of a combustion engine, comprising a housing ( | 01-13-2011 |
| 20110048846 | Noise attenuator for a hydraulic fluid pipe, item comprising this attenuator, pipe comprising this item and method of assembly - This noise attenuator for a hydraulic fluid pipe is made of a material porous to the fluid intended to flow through the noise attenuator. More specifically, the material is a synthetic material. As a preference, the synthetic material is porous polytetrafluoroethylene. | 03-03-2011 |
| 20110162908 | CONSTRUCTION MACHINE WITH CAB NOISE REDUCTION DEVICE - A construction machine capable of effectively reducing noise which would intrude into a cab, without deterioration in ride quality, comfort and air-conditioning efficiency in the cab is provided. The construction machine includes a lower propelling body, an upper slewing body including an upper frame, a cab including a floor plate and installed on the upper frame, and a cab noise reduction device. The cab noise reduction device includes: the floor plate; an under-cab member including a cab deck supporting the cab and provided under the cab to define a closed-form under-cab space whose periphery is substantially closed, in cooperation with the floor plate; and a resonator reducing noise in the under-cab space by a resonance effect. | 07-07-2011 |
| 20110186376 | MUFFLER WITH INTEGRATED CATALYTIC CONVERTER AND POLYMERIC MUFFLER BODY - Disclosed is a muffler ( | 08-04-2011 |
| 20110290584 | Ultrasonic Sensor - An ultrasonic sensor includes a substantially cylindrical case including a bottom portion and a side wall portion and a plurality of members disposed within the case. A reinforcement having a substantially ring shape is fitted on a thick section in the case at a location that is not in contact with an inner surface of a thin section of the side wall portion. A piezoelectric element is attached to an inner bottom surface of the case. An elastic member is fitted on the reinforcement so as to cover a substantially ring-shaped opening region of the reinforcement. A gap between the elastic member and an inner circumferential surface of the case is filled with a first filler. The terminal holding member is placed on the elastic member. A surrounding region of the terminal holding member is filled with a second filler. | 12-01-2011 |
| 20110315473 | SOUND DAMPING PATCH - A panel assembly for use in any number of different applications, including a variety of vehicle applications, that reduces noise or vibrations, provides thermal insulation, and/or improves structural integrity. According to an exemplary embodiment, the panel assembly includes a main panel made from a metal, one or more sound damping patches also made from a metal, and an adhesive layer that joins the patches to the main panel in a constrained layer construction. The sound damping patches may include one or more forming features, which are designed to improve the formability of the panel assembly without significantly impairing its sound damping characteristics. There are different types of forming features, including internal forming features (e.g., openings, holes, slits, slots, etc.) located within the interior of the patch and external forming features (e.g., projections, fingers, recesses, waveforms, etc.) located along the perimeter of the patch. | 12-29-2011 |
| 20120073898 | DEVICE FOR REDUCING BOOMING NOISE IN A MOTOR VEHICLE - A device for reducing booming noise in a motor vehicle has a wind deflector ( | 03-29-2012 |
| 20120247867 | COMPOSITE SOUND-ABSORBING DEVICE WITH BUILT IN RESONANT CAVITY - The composite sound-absorbing device of the present invention includes a perforated board having a number of first pores thereon, a back board and side boards, the perforated board, back board and side boards forming a closed cavity, wherein: at least one or more of the resonant cavities being located within the closed cavity; at least one or more of second pores being located on the resonant cavities; at least one of the second pores being connected with the closed cavity; the resonant cavity having a volume of V=10 mm | 10-04-2012 |
| 20130213731 | PASSIVE VALVE AND RESONATOR ASSEMBLY FOR VEHICLE EXHAUST SYSTEM - An exhaust system includes first and second exhaust components with an inter-pipe that fluidly connects an outlet of the first exhaust component to an inlet of the second exhaust component. A passive valve is mounted within the inter-pipe. The second exhaust component defines an internal cavity that is at least partially packed with a high frequency absorption material and cooperates with the passive valve to effectively attenuate low and high frequency noise. | 08-22-2013 |
| 20140251717 | MUFFLER EQUIPPED WITH CATALYTIC CONVERTER - A muffler is equipped with a catalytic converter and is compact and capable of stably supporting the catalytic converter disposed in a muffler box with a single partition. The muffler box is formed by joining outer peripheral ends of three parts which are first and second box halves with open surfaces thereof abutting each other and a partition interposed between the first and second box halves. A first silencing chamber communicating with an exhaust inlet pipe is defined between the first box half and the partition and a second silencing chamber communicating with a tailpipe is defined between the second box half and the partition. A pair of supporting bosses protruding toward the first and second silencing chambers, respectively, are formed in the partition, and the supporting bosses support a holding tube of the catalytic converter communicating between the first and second silencing chambers. | 09-11-2014 |
| 20140251718 | MUFFLER EQUIPPED WITH CATALYTIC CONVERTER - A muffler is capable of stably supporting the catalytic converter in a muffler box with a pair of partitions. The muffler box includes first and second box halves joined together with open surfaces thereof abutting each other, and first and second partition plates interposed between the first and second box halves and overlapping each other to separate inside of the muffler box into first and second silencing chambers and define a third silencing chamber between the first and second partition plates, one end opening of a cylindrical holding tube housing and holding the catalytic converter is connected to the exhaust inlet pipe, the pair of partition plates support the holding tube in such a way as to wrap an outer peripheral surface thereof, and another end opening of the holding tube is communicated with the exhaust outlet pipe through the first, second, and third silencing chambers in this order. | 09-11-2014 |
| 20140262602 | COMBINATION FLASH AND ACOUSTIC SUPPRESSION SYSTEM AND METHOD - A combination acoustic and flash suppression system and method for use with a weapon that fires a bullet. A noise suppressor module or section of the system is adapted to be connected to a distal end of a barrel of the weapon, and a flash suppressor module or section of the system is adapted to be connected to the outlet end of the noise suppressor module, so that the downstream position of the flash suppressor module relative to the noise suppressor module helps to disrupt a Mach disk from forming at a downstream location from the discharge port when a bullet fired from the barrel exits from the discharge port so as to suppress both flash and noise. | 09-18-2014 |
| 20140262603 | FIRE RESISTANT ACOUSTIC PANEL - An apparatus is disclosed for an improved acoustic panel comprising a sound absorbing member defined by a first and second face surface and a peripheral edge for absorbing sound from a sound source. A sound blocking member is defined by a first and second face surface and a peripheral edge for blocking the transmission of sound through the sound reducing panel. A first fire retardant spacing material is interposed between and affixed to the second face surface of the sound absorbing material and the first face surface of the sound blocking material. A second fire retardant spacing material having a first and a second face surface and a peripheral edge with the first face surface of the second spacing material is affixed to the second face surface of the sound blocking material. A fire retardant coating is affixed to the second face surface of the second spacing material. | 09-18-2014 |
| 20140332310 | WATERPROOF SOUND TRANSMITTING SHEET, AND METHOD FOR PRODUCING SAME - Disclosed herein is a waterproof sound-transmitting sheet, the thickness of which can easily be adjusted and which has a high sound transmitting efficiency and excellent waterproofness, and a method for producing same. The waterproof sound-transmitting sheet, which is attached to a sound hole of a case, includes: a support layer made of a film-shaped porous material and formed in the case; and a waterproofing layer formed on one side of the support layer in the shape of a porous nanoweb in which fine fiber strands are crosswisely layered and exposed to the outside of the case. | 11-13-2014 |
| 20150014090 | ACOUSTIC CONTAINER - Methods and devices are disclosed for a gaseous liquid to audibly deform the shape of a closed container. One embodiment includes pushing inward to depress a plurality of deformations integral with an exterior of the plastic container having a bottom, a top, the exterior, and an interior, wherein the top is at least partially opened. Further, the method includes sealing, subsequent to the depressing, the top to close the plastic container. Further still, the method includes pushing outward, subsequent to the sealing, by carbonation from a carbonated liquid contained within the interior, on the plurality of deformations. Yet further, the method includes deforming, by the pushing outward, at least two of the plurality of deformations to displaced positions. The method also includes creating two or more sounds and/or movement by the deforming. | 01-15-2015 |
| 20150047920 | WHEEL ASSEMBLY FOR A VEHICLE AND A METHOD OF MANUFACTURING THE WHEEL ASSEMBLY - A wheel assembly for a vehicle and a method of manufacturing the wheel assembly for the vehicle are disclosed. The wheel assembly includes a rim and a tire. The tire includes a distal wall, a first side wall and a second side wall, with the first and second side walls extending from the distal wall and each of the side walls attached to the rim such that the distal wall is spaced from the rim to define an interior cavity between the tire and the rim. The wheel assembly also includes a resonator defining a hole such that the resonator presents an inner wall defining a boundary of the hole. The hole cooperates with the interior cavity. The resonator includes an insert mounted to the inner wall. The insert defines an aperture in fluid communication with the interior cavity for attenuating sound produced inside the interior cavity. | 02-19-2015 |
| 20150090522 | Sound Permeable Wind Noise Reduction Device - A wind absorbing and deflecting device attached to the leading strap on a cycling helmet to reduce wind noise while ambient sound passes through to the inner ear so that the user's hearing in not impaired. The device is located in front of the user's ear and against the temple. It is fabricated from faux fur with a pile length of approximately ½ inch and/or soft fleece with a thickness of ¼ to ½ inches. While cycling, the device deflects oncoming wind while the soft fleece and/or faux fur absorbs variable wind gusts and turbulence. The direct wind flow over the ear and particularly over the ear canal is significantly reduced so there is less air pressure variation and less wind noise. | 04-02-2015 |
| 20180023291 | SCRIM ATTACHMENT SYSTEM | 01-25-2018 |
