Matches 1 - 50 out of 50


Match Document Document Title
US20120228053 SILENCER FOR A TWO-STROKE MOTOR OF A POWER TOOL  
A silencer for a two-stroke motor of a power tool, including a silencer inlet to which adjoins a flow channel of channel length so that the flow channel can be connected to an outlet of a...
US20150252759 ACOUSTIC ATTENUATOR FOR AN ENGINE BOOSTER  
An acoustic attenuator 20 for an engine booster such as a turbocharger 10 for an engine 4 is disclosed in which the acoustic attenuator 20 includes an attenuator chamber 28 in which is located at...
US20140219781 AIR INLET SILENCER FOR TURBOMACHINES  
An air inlet silencer for turbomachines is provided. In one embodiment, the air inlet silencer includes a body, and a plurality of concentric baffles coupled to and axially surrounding the body....
US20100071991 RAM INTAKE UNIT HAVING A SOUND ABSORBING STRUCTURE  
A ram intake unit mounted on a front portion of a frame structure of a motorcycle includes an acoustic material disposed along an inner wall of a ram air intake duct for absorbing induction...
US20130008739 SOUND ABSORBING STRUCTURE  
A sound absorbing structure includes multiple sound absorbers. The sound absorbers are assembled together into a sound absorbing member. The sound absorbing member absorbs sound emitted from a...
US20140251719 SOUND ATTENUATOR OF AN EXHAUST-GAS TURBOCHARGER  
A sound attenuator on the intake side of a compressor of an exhaust-gas turbocharger includes a tubular sound attenuator housing, which encases a flow duct between a face-side inlet opening and a...
US20120048645 MUFFLER FOR A TURBO OR PISTON ENGINE  
A muffler for a turbo engine or piston engine, particular a screw compressor, includes a housing (1.1-1.3); a disk arrangement having at least one disk (3, 4, 5) which is fastened to the housing;...
US20130129492 TURBOCHARGER  
A turbocharger (1) having a turbine housing (2), a compressor housing (3) which has a compressor outlet (20), and a silencer (21) which is arranged on an end region (22) on the compressor outlet...
US20120181107 RESONATOR  
The present disclosure relates to a resonator, and more particularly, to a resonator installed at the rear of a turbo charger of a vehicle and combined with a Helmholtz resonator and a groove type...
US20060243520 Screw compressor with an acoustic wave damping device  
In order to avoid pulsations in a screw compressor comprising an outer housing, a compressor screw housing which is arranged in the outer housing and in which rotor bores for screw rotors are...
US20080230307 MUFFLE DUCT  
A pipe is incorporated in an intake system and has a first hole for a noise in the intake system to be released therethrough. A cover covers the pipe for attenuating the noise and has a second...
US20080185216 HELICOPTER GAS TURBINE ENGINE WITH SOUND LEVEL LOWERED BY EJECTOR HUSH KITTING  
The invention relates to a helicopter gas turbine engine having a combustion chamber, at least one turbine (20) arranged downstream from the combustion chamber to receive combustion gases emitted...
US20080230306 MUFFLE CHAMBER DUCT  
A pipe is incorporated in an intake system and having a first hole for a noise in the intake system to be released therethrough. A cover covers the pipe for attenuating the noise, having a second...
US20080264719 SILENCER  
A silencer for attenuating a sound includes an inner duct in which gas flows, and an outer duct surrounding the inner duct with a gas layer formed between the outer duct and the inner duct. The...
US20080185217 DEVICE FOR SILENCING A HELICOPTER GAS TURBINE ENGINE AND ENGINE THUS OBTAINED  
In a helicopter gas turbine engine, lips (30, 32) defining a radial air intake (34) are connected along an opening (12a) of an engine compressor air supply passage (12). The air intake lips are at...
US20130277144 NOISE ATTENUATOR AND VEHICLE AIR INTAKE DUCT PROVIDED THEREWITH  
A noise attenuator which can reduce time and cost for installation thereof as compared with the conventional configuration and a vehicle air intake duct provided with the noise attenuator are...
US20090078497 Internal combustion engine equipped with intake silencer  
An intake system for an internal combustion engine has an intake silencer 30 provided with an expansion chamber 33, and a connecting pipe 40 having an inlet 46 through which air from the expansion...
US20080202848 Sound absorber for gas turbine installations  
A device (1) for the feed of air to a compressor (2) of a gas turbine plant has an air inlet duct (8) and an air inlet chamber (9) which adjoins the air inlet duct. For the purpose of damping...
US20110209941 SUCTION MUFFLER FOR HERMETIC COMPRESSOR  
The present invention discloses a suction muffler for a hermetic compressor which reduces noise of refrigerant. A plate film operating as a kind of flow resistance is provided on a refrigerant...
US20110259449 SUPPLEMENTAL AIR PRESSURE PROVIDING DEVICE ADAPTED FOR USE WITH AN INFLATING MODULE FOR INFLATING AN INFLATABLE OBJECT  
A supplemental air pressure providing device adapted for use with an inflatable object includes an oscillator responsible for generating magnetic field and vibrating a casing, an air compressing...
US20090242323 Air duct as tuning mechanism and engine cover  
A tuning device may include a tubular portion having a hollow cross section and a flat body portion covering an engine. The body portion may have a chamber disposed therein and a throat providing...
US20140196978 SILENCER AND METHOD FOR MANUFACTURING THE SAME  
The invention relates to a silencer (1) and a method for manufacturing a silencer (1), in particular a vehicle silencer, having an inner pipe section (2) and at least one resonator chamber (14,...
US20140007944 Compressor intake muffler and filter  
A compressor assembly having a high velocity muffler system which produces a particle-free compressor pump feed while reducing noise output from the compressor assembly during compressing...
US20110108358 NOISE ATTENUATOR AND RESONATOR  
A resonator attenuates sound waves at first and second frequencies. The resonator includes a first tube, and a second tube received within the first tube. Both tubes have an open end and a closed...
US20100193283 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...
US20080257640 Compressor Muffler  
A compressor has first (26) and second (28; 30) enmeshed rotors rotating about first (500) and second (502; 504) axes to pump refrigerant to a discharge plenum (42). The compressor includes a...
US20090178880 Air-Suction-Noise Reduction Device and Working Machine With the Same  
An engine cover 17 has a cover main body 19 and an engine hood 20 which is attached to an opening portion formed on an upper surface of the cover main body 19 and a plurality of reinforcing plates...
US20150090523 INTAKE APPARATUS OF ENGINE FOR OUTBOARD MOTOR  
There is provided an intake apparatus of an engine for an outboard motor. An intake manifold, a throttle body and an intake silencer box are arranged at one side of an engine block configured such...
US20110214936 ANTI-NOISE DEVICE FOR THE AIR INTAKE CONDUIT OF A SUPERCHARGED INTERNAL COMBUSTION ENGINE  
Anti-noise device for an internal combustion engine (9) equipped with a turbocompressor (10) for supercharging includes a turbine (11) placed in the exhaust gas flow and driven by these gases with...
US20090065294 Engine silencing and vibration reduction system and method  
A noise and vibration reduction system for an engine affixed to a body and a method for reducing vibrations in the body produced by that engine during operation. The present invention is...
US20150152857 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...
US20090038880 Air Intake Noise Reducing Device, Internal Combustion Engine Fitted with the Same and Structure for Fitting the Same to the Internal Combustion Engine  
The present invention provides an air intake noise reducing device, an internal combustion engine fitted with the air intake noise reducing device and a structure for fitting the air intake noise...
US20090232670 Compressor muffler  
A compressor muffler (100) for a refrigeration system is provided with an array of Helmholtz resonators (130, 230, 330) formed along an inner surface of a muffler chamber (110) of the muffler.
US20130062141 Compressor Intake Muffler And Filter  
A muffler for a feed air system of a compressor assembly. The muffler can be a product of a blow molding process and used in a method of sound control for a compressor assembly. A method of...
US20150198150 INTEGRAL RESONATORS FOR ROOTS-TYPE SUPERCHARGER  
A compressor assembly for an intake system includes: a monolithic housing; a first resonator section formed in the monolithic housing, the first resonator section defining two or more volumes...
US20100224439 INTAKE SOUND ADJUSTING DEVICE  
An intake sound adjusting device includes an intake passage, a tubular branch passage branched from the intake passage, and an oscillating member disposed within the branch passage, in which the...
US20080156579 Air intake device  
An air intake device includes an inner pipe member having a substantially cylindrical shape and defining therein an air intake passage by a wall portion of the inner pipe member, and an outer pipe...
US20100193282 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...
US20080295519 Turbine engine fuel injector with Helmholtz resonators  
An end cap for a fuel injector of a turbine engine is disclosed. The end cap includes an annular first surface including a plurality of perforations. The annular first surface is exposed to a...
US20170175690 INTAKE SOUND REDUCTION DEVICE FOR INTERNAL COMBUSTION ENGINE  
Intake sound reduction device for internal combustion engine includes an elastic member formed into substantially cylindrical shape and having an open base end, a top end sealed by an end surface...
US20170089308 RESONATOR STRUCTURE OF SADDLE-RIDE VEHICLE, AND SADDLE-RIDE VEHICLE  
A resonator structure of a saddle-ride vehicle includes a head box that includes a head pipe defining a handlebar steering axis and that forms an intake passage through which air is guided from a...
US20170037781 INLET SYSTEM FOR A GAS TURBINE  
An inlet system for a gas turbine includes an inlet duct, a silencer assembly disposed downstream from the inlet duct and an outlet duct disposed downstream from the silencer assembly. The...
US20160201621 RESONATER  
A resonator (1) has at least first and second annular chambers (2, 3, 17) arranged between inlet and outlet pieces (22, 21). An inner pipe (4) extends between the inlet piece (22) and the outlet...
US20160195049 SILENCER  
A silencer, for example an intake silencer for an internal combustion engine, may include a pipe for conducting a gas mixture. The pipe may be perforated at least in some regions. An absorption...
US20160123208 AIR INDUCTION SYSTEM HAVING AN ACOUSTIC RESONATOR  
A resonator for attenuating sound waves produced by an engine is provided. The resonator includes a housing. The housing includes first, second and third portions defining first, second and third...
US20160061075 MUFFLER SOUND-INSULATION STRUCTURE  
A soundproof cover (30) is equipped with: multiple unit soundproof covers (31R, 31L) forming a portion of the circumferential cross section (30s); and connecting parts (35) provided on the...
US20160010603 INTAKE NOISE REDUCTION DEVICE  
Provided is an intake noise reduction device that can suppress an occurrence of noise in an intake pipe. An intake noise reduction device (100) disposed on a downstream side of a throttle valve in...
US20150361934 MULTI-FREQUENCY QUARTER-WAVE RESONATOR FOR AN INTERNAL COMBUSTION ENGINE VEHICLE  
A variable noise attenuation element is disclosed that comprises a tube, at least one valve seat, at least one valve body and a wire connected to the valve body. The tube has an overall length...
US20130008738 SOUND TRANSMISSION SYSTEM  
A sound transmission system of a motor vehicle, having an intake sound transmission device which can be coupled via a first tubular connecting element to an air intake manifold which leads to an...
US20130008737 CONTROL DEVICE OF A MOTOR VEHICLE  
A control device of a motor vehicle having a noise transmission system and an exhaust system, wherein the noise transmission system has, for manipulating an interior noise of the motor vehicle, at...

Matches 1 - 50 out of 50