Matches 1 - 50 out of 196 1 2 3 4 >
Match Document Document Title
7631726 Silencer for air induction system and high flow articulated coupling  
An air induction silencer assembly includes an acoustic interference member disposed within a conduit. The acoustic interference member is tuned to acoustically cancel a selected noise energy...
7621373 Acoustic drain  
A baffle assembly for a hollow cavity is disclosed. The baffle assembly includes a labyrinth that defines a tortuous drain passageway. The baffle assembly includes a vertical portion that abuts an...
7617675 Catalyst chamber  
In order to make available an exhaust gas system for a combustion engine with an external housing, which contains at least one rear shell and one front shell, and with a catalyst chamber, in which...
7584822 Noise level reduction of sparger assemblies  
A method results in a system configuration wherein positioning a plurality of spargers reduces noise levels caused by fluid passing through the plurality of spargers. The method includes providing...
7581620 Marine muffler with angularly disposed internal baffle  
A marine muffler comprises an elongate cylindrical housing having an inlet and an outlet and defining an internal volume partitioned, by an angularly disposed internal baffle, into a lower chamber...
7549512 Muffler for internal combustion engine  
The improved muffler design has a housing that is hexagonal in shape that is formed from an upper plate, a lower plate and sidewalls that form a perimeter around the housing. An inlet and outlet...
7536821 Cartridge casing catcher with reduced firearm ejection port flash and noise  
A catcher, in combination with a firearm having an ejection port, for receiving and retaining expended magnetically attracted shell casings through the ejection port as the firearm is discharged....
7530428 Exhaust deflector for a muffler  
An exhaust deflector is attachable to a muffler. The exhaust deflector includes a single-piece housing having a flange that defines an inlet aperture, an outlet wall that defines an outlet...
7503427 Muffler  
A muffler is capable of sufficiently reducing flow noise, discharge noise, vehicle noise, and cabin noise, preventing a pressure loss, and improving output power. The muffler has a muffler body, an...
7487857 Sonic coupling between an intake tract or engine compartment and the interior of a motor vehicle  
An apparatus for sonic coupling between an intake tract or engine compartment and a vehicle interior of a motor vehicle has a housing into which sound enters from the intake tract via a first line,...
7485165 Air filtering device for protection suits  
An air filtering device for protection suits includes a case in which a fan unit is received and a filtering unit is engaged with a hole in a wall of the case and located outside of the case. A...
7478996 Reciprocating compressor having assembly structure of suction muffler  
Disclosed is a reciprocating compressor having an assembly structure of a suction muffler, in which a supporting unit is formed on an inner circumferential surface of a resonant container of the...
7464543 Two-stroke lean burn gas engine with a silencer/catalytic converter  
A low emissions 2-stroke natural gas fueled engine includes at least one cylinder with an exhaust port in communication with a silencer/catalytic converter unit. The unit has first and second...
7407036 Muffler for compact combustion engines  
To provide a muffler for a compact combustion engine, which is simple in structure and effective to sufficiently reduce the temperature of exhaust gases while avoiding contact with an external air,...
7389853 Muffler for an engine  
A muffler suited for use in discharging exhaust gas from an engine. The muffler generally includes a housing that defines a muffler interior, an inlet aperture, and an outlet aperture. A baffle...
7380637 Exhaust-gas muffler  
The invention is directed to an exhaust-gas muffler ( 1 ) of a handheld work apparatus driven by an internal combustion engine. The exhaust-gas muffler ( 1 ) includes a muffler housing ( 2 ) which...
7380638 Exhaust noise control for motorcycles  
A noise control apparatus for a motorcycle exhaust system. The apparatus includes at least one exhaust pipe assembly having a direct pass-through mode and an indirect mode wherein exhaust gases are...
7377359 Device for modulating noise in a motor vehicle  
In a device for noise configuration in a motor vehicle which has an internal combustion engine with at least two gas conduits connected to different cylinders of the engine, the gas conduits are...
7282185 Emission control apparatus  
Apparatus for controlling emissions from an internal combustion engine including an enclosed housing one end of which is provided with an inlet and the other end an outlet. A coaxial tubular member...
7243757 Exhaust muffler  
An exhaust muffler ( 1 ) invention includes an entry chamber ( 9 ), a resonator chamber ( 15 ), and a baffle chamber ( 23 ) positioned in serial order between an exhaust gas inlet ( 3 ) that lets...
7104359 Muffler having a baffle with angled plates  
A muffler having a baffle with angled plates includes a one piece baffle, a container and two end caps. The one piece baffle has at least three different configurations. The baffle preferably has...
7073534 Silencer for perforated plate flow conditioner  
A perforated plate flow conditioner includes a single acoustic feedback interference device having an upstream end attached to a downstream side of the perforated plate. The upstream end covers...
6902030 Sound muffling apparatus for air operated equipment  
A muffler for equipment powered by compressed air, the muffler comprising a flexible muffler body formed from a sufficiently resilient material to resiliently deform under the influence of an...
6832665 Exhaust gas muffler  
An exhaust gas muffler for an engine, the exhaust gas muffler having a body, at least one inlet for the exhaust gas from the engine on the body, a baffled chamber in the body to receive exhaust gas...
6832664 Clampless hose retainer mechanism  
A rubber hose of an air supply assembly is secured to a resonator by an inserted internal tube. A tapered insertion end of the internal tube is inserted into the rubber hose and slides along an...
6776257 Sound-attenuating muffler having reduced back pressure  
A muffler for an internal combustion engine having: (a) a housing including: (i) an inlet opening formed for a flow of exhaust gas into the housing, (ii) an outlet opening formed for a discharge of...
6736238 Air intake silencer  
A silencer for connection to the air intake of a machine such as a turbocharger compressor. The silencer comprises a housing containing a plurality of axially spaced annular noise attenuating...
6688424 Noise absorbing device and device for taking air into engine room of a construction machine  
An engine noise reduction device to reduce sound output from an engine compartment and supply cooling air to the engine compartment to increase cooling efficiency and prevent engine and component...
6688425 Induction system with low pass filter for turbo charger applications  
A flow tube for an induction system with a turbo charger defines a longitudinal flow path and includes a noise attenuation plate positioned within the flow tube. A plurality of ribs formed on an...
6679742 Exhaust structure for a jet propulsion watercraft  
To provide an exhaust structure for a jet propulsion watercraft which can simply achieve a reduction of the exhaust noise. In the exhaust structure for a jet propulsion watercraft, a water jet...
6672425 Noise abatement module  
The current invention is device for lowering the air velocity and inherent noise of high-speed air released from a closed system, comprising a straight pipe module with an outer tube and a...
6668973 Transverse partition for exhaust volume  
The transverse partition for separating an exhaust volume into two adjacent chambers includes at least one gas flow passage between the two chambers, the gas flow section through the passage being...
6644436 Device for noise configuration in a motor vehicle  
A device for noise configuration in a motor vehicle has a hollow body which is divided into at least two spaces. One space is connected to a gas-carrying part of an internal combustion engine...
6622819 Sound attenuator for pneumatic exhaust  
The present invention provides a sound attenuator for pneumatic exhaust that includes a body having an open end and an inner cavity defined by an inner wall, an inlet port provided in the body...
6622482 Combined catalytic muffler  
A catalytic muffler has at least one reactor bed, each bed having an array of discreet adjacent flow zones. The flow zones are interconnected by a series of passages for unidirection flow of a...
6609590 Exhaust system having angled baffle  
In-line exhaust systems comprise an exhaust pipe, and a sound-attenuating baffle in the exhaust pipe. The baffle has one or more baffle plates extending across the gas flow channel, at least one at...
6588545 Muffler for internal combustion engine  
A muffler for an internal combustion engine, capable of sufficiently attenuating exhaust sound and preventing power output from being reduced by allowing exhaust gas to flow without a hitch and...
6571910 Method and apparatus for improved noise attenuation in a dissipative internal combustion engine exhaust muffler  
The use of fiber metal or similarly high flow resistance and high acoustic transparency material as a liner for traditional acoustically absorptive media in a dissipative muffler exhibits improved...
6551155 Personal watercraft having an improved exhaust system  
A personal watercraft with an exhaust system including a first and second mufflers each disposed in opposite sides of the hull. A manifold pipe communicates the engine with the first muffler. A...
6533065 Noise silencer and method for use with an ultrasonic meter  
A silencer for use with ultrasonic meters to reduce stray ultrasonic noise that could cause measurement inaccuracies. The silencer comprises a tubular body having at least two baffles spaced apart...
6510921 Muffler/exhaust extractor  
A muffler has an elongated generally cylindrical casing having inlet and outlet ends, an elongated generally frustroconical baffle in the casing adjacent the inlet end with the smaller diameter...
6506029 Gear pump  
A gear pump for the power steering of a motor vehicle is integrated into the housing of the drive unit and is surrounded by both the discharge space and the intake space, which extend over the...
6488482 Integral compressor muffler  
A fluid compressor includes a compressor inlet for receiving a medium, a compressor for compressing the medium, a compressor outlet for discharging the compressed medium and a compressor muffler....
6485270 Air pump with noise silence arrangement  
An air pump for a fish-tank comprises a compartmental air chamber assembly formed by a base plate and a casing in the body. Hence, an indirect prolonged air path is formed in the air chamber...
6415887 Refractive wave muffler  
Within an exhaust duct are positioned a plurality of concentrically arranged, open ended, right cylinders supported axially within the exhaust duct, wherein each of the cylinders includes an inlet...
6415889 Stamped-formed muffler apparatus and assembly process  
A muffler and method of making a muffler is disclosed wherein the muffler is formed from a single sheet showing four portions separated by three folds lines and wherein the two center portions are...
6382931 Compressor muffler  
A muffler assembly for muffling noises associated with a compressor. The muffler assembly is mounted on the compressor such that the two move as a solid body. The muffler assembly includes an...
6374944 Silencer with internal rain diverter  
Disclosed herein is a silencer for reducing acoustic energy in a flow of exhaust gas from a combustion power source which prevents rain or snow from entering an exhaust stack without the need for a...
6364054 High performance muffler  
A high performance muffler is used to modify sound waves of exhaust gases generated by a high performance internal combustion engine. The muffler has an inlet for connection to an internal...
6305493 Exhaust system for internal combustion engines  
An exhaust system for internal combustion engines, in particular two-cycle internal combustion engines, includes a resonance-type exhaust part having at least one diffuser-cone unit formed with a...
Matches 1 - 50 out of 196 1 2 3 4 >