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Matches 251 - 300 out of 14,722

Document Document Title
WO/2011/152915A3
A pulsation - canceling conduit assembly (100, 100 ' ) has a first conduit leg (130) A second conduit leg (150, 28-1 ' ) extends from a junction with the first conduit leg. A first branch (180) extends from the junction opposite the firs...  
WO/2011/152880A2
A contained vortices device that allows for the flow of air or gas into and out of the device. In the process of gases moving through the device, a vortex is created within the device that allows for the separation of heavier materials, ...  
WO/2011/152057A1
Disclosed is a muffler device whereby the vibration of a muffler is suppressed regardless of the natural frequency of the body of said muffler. Said muffler device comprises: a muffler (2); two exhaust pipes (Pi and Po), the ends of whic...  
WO/2011/146118A3
A muffler for a positive displacement pneumatic motor includes a case, an inlet, a diffuser, a pathway, and sound absorbing material. The inlet and the diffuser are attached to the case. The pathway extends between the inlet and the diff...  
WO/2011/141639A1
The invention relates to an attenuating section for a sound attenuator (2) in an air conditioning duct which attenuating section (3) is implemented of elastic and sound-attenuating material. According to the invention, the attenuating se...  
WO/2011/138004A1
The invention relates to a device with broad-band damping for sound damping in industrial facilities, large plants or machines, comprising a housing (1) with an inlet (20) and an outlet (22) for the exhaust gas stream, and a gas-conveyin...  
WO/2011/134633A1
The invention relates to a flexible line element (1), in particular for exhaust gas lines from internal combustion engines in motor vehicles, comprising a bellows (2), at least one additional element (3) that coaxially adjoins the bellow...  
WO/2011/116447A1
A vehicle exhaust system includes a subsystem having an exterior pipe formed of a polymer. A rigid liner extends along the length of the exterior pipe and defines a passageway. A fiber insulating layer is formed between the rigid liner a...  
WO/2011/117667A1
A radiated sound reducing structure that reduces radiated sound generated in a pipe through which gas passes includes a first pipe (304) and a second pipe (314) that is arranged inside the first pipe (304) and has, on an outer peripheral...  
WO/2011/098729A1
The invention relates to a device for ejecting gas from a gas turbine engine, which comprises an outer wall (11) and an inner wall (12) defining a gas flow path (V) therebetween, the inner wall (12) forming a central body (12) defining a...  
WO/2011/100083A2
A muffler for a vehicle exhaust system includes a plastic outer shell that defines an internal cavity. A metal pipe extends through the internal cavity from an inlet to an outlet. A Helmholtz chamber is formed within the plastic outer sh...  
WO/2011/100083A3
A muffler for a vehicle exhaust system includes a plastic outer shell that defines an internal cavity. A metal pipe extends through the internal cavity from an inlet to an outlet. A Helmholtz chamber is formed within the plastic outer sh...  
WO/2011/095458A1
The invention relates to an exhaust gas muffler (1) comprising a housing (2), an inlet pipe (3) connected to the housing (2) and having a rear end (3.1), an axis of symmetry SE, and an outlet pipe (4) connected to the housing (2) and hav...  
WO/2011/095412A1
The present invention relates to an exhaust-gas system (1) for an internal combustion engine, in particular of a motor vehicle, comprising a region (3), through which the exhaust gas does not flow and which has a condensate collecting re...  
WO/2011/093507A1
A muffler for an internal combustion engine is provided with an outer shell, an inlet pipe, an outlet pipe, and at least one constriction. At least one constriction is disposed in the opening of the inlet pipe and/or the outlet pipe into...  
WO/2011/080793A1
Disclosed is an exhaust apparatus for internal combustion engines, in which exhaust noise, the weight of the exhaust apparatus, and the production cost of the exhaust apparatus can be reduced by eliminating conventionally used sub-muffle...  
WO/2011/068929A2
A method of controlling a discharge of an exhaust gas from a pneumatic device includes directing the exhaust gas from an exhaust port of the pneumatic device into proximity with a heated portion of the pneumatic device, expanding the exh...  
WO/2011/068929A3
A method of controlling a discharge of an exhaust gas from a pneumatic device includes directing the exhaust gas from an exhaust port of the pneumatic device into proximity with a heated portion of the pneumatic device, expanding the exh...  
WO/2011/061213A1
The invention relates to a silencer having a housing wall (1) comprising a geometric center axis (1.1) and an opening cross section Q, having two end walls (2, 3) disposed opposite with respect to the center axis (1.1), having an inlet t...  
WO/2011/055415A1
Provided is an exhaust device of an internal combustion engine wherein the sound pressure level can be prevented from increasing due to the air column resonance of a tail pipe by a simple configuration not requiring complex control while...  
WO/2011/047852A1
The invention relates to an exhaust gas silencer (10) of a combustion engine, comprising a tube section (14, 16) on the inflow side and the outflow side as well as a silencer housing (18) that is connected to the tube sections (14, 16). ...  
WO/2011/044993A1
Coolant circuit of a cooling system with a pipe-shaped body (2), into which a sound absorber (1) is inserted, whereby the body (2) forms a cavity (3) and whereby the sound absorber (1) is designed as an insert (26) which is inserted into...  
WO/2011/041927A1
A karaoke system capable of controlling the noise pollution includes a signal pickup unit, a signal processing unit, and one or more Bluetooth earphones. The signal pickup unit at least provides audio signal for the signal processing uni...  
WO/2011/036073A1
The present invention relates to a resonator (100) with an adaptable resonator frequency (f) for absorbing sound generated by a gas stream of a gas turbine (110). The resonator (100) comprises a neck section (102), a chamber (101) and a ...  
WO/2011/036700A1
An exhaust pipe part and an exhaust device for an internal combustion engine, enabling elimination of a conventionally used muffler, a reduction in the size of a noise eliminator provided to one end of an exhaust pipe, and a reduction in...  
WO/2011/031555A3
According to one embodiment, an exhaust gas after-treatment apparatus includes an exhaust tube (104) defining an exhaust flow channel through which a main exhaust gas stream is flowable. The apparatus also includes an exhaust flow segreg...  
WO/2011/030458A1
An exhaust muffler disposed close to the cylinder of a multipurpose engine. An exhaust muffler (M) for a multipurpose engine, comprising: a muffler body (15) connected to the cylinder (3) of the multipurpose engine (E) through an exhaust...  
WO/2011/031555A2
According to one embodiment, an exhaust gas after-treatment apparatus includes an exhaust tube (104) defining an exhaust flow channel through which a main exhaust gas stream is flowable. The apparatus also includes an exhaust flow segreg...  
WO/2011/024231A1
An exhaust device for an internal combustion engine eliminates the need for mounting a sub-muffler to a tail pipe and the need for mounting to an upstream opening end of the tail pipe a muffler equipped with a resonance chamber having a ...  
WO/2011/024234A1
An exhaust device for an internal combustion engine eliminates the need for mounting a sub-muffler to a tail pipe and the need for mounting to an upstream opening end of the tail pipe a muffler equipped with a resonance chamber having a ...  
WO/2011/017390A1
A method of forming a preform product includes filling a mold cavity with glass fibers. The mold cavity has an inlet end, a second end opposite the inlet end, and a longitudinal axis. Suction is applied simultaneously to the mold cavity ...  
WO/2011/011260A1
An engine includes an exhaust conduit (150) having an exhaust port on an end of the exhaust conduit. The exhaust conduit has an angled inside surface that has a cross section that widens toward the exhaust port. The engine further includ...  
WO/2010/135095A3
Snap action valve assemblies for use in conduits of automotive exhaust systems have their operation controlled by use of inertia damper elements coupled to an axle of a rotatable valve plate of the valve assembly.  
WO/2010/135095A2
Snap action valve assemblies for use in conduits of automotive exhaust systems have their operation controlled by use of inertia damper elements coupled to an axle of a rotatable valve plate of the valve assembly.  
WO/2010/128184A1
The novel feature of the engine exhaust is that the exhaust (4) pipe (6) comprises at least two telescopic sections (5) with corresponding peripheral acoustic cavities (7), making it possible to vary the length of the pipe (6) and achiev...  
WO/2010/128570A1
Provided is an exhaust gas purifying device wherein, first, a strength such as a mechanical strength or a heat-resistant strength is excellent; second, the cost such as a material cost or a production cost is excellent; third, the exhaus...  
WO2010110025A1
Provided is a spiral tail for an energy-saving exhaust muffler, wherein a pulsation wave is prevented from occurring when an exhaust is discharged to the atmosphere through the outlet of an exhaust muffler, to increase the output of an e...  
WO/2010/103813A1
Provided is a multilayered tube by which a heat insulation effect and a vibration suppression effect can be obtained, and the structure of an exhaust system using the multilayered tube can be further compacted to a conventional exhaust s...  
WO/2010/100474A3
A fluid transfer pipe (1) comprising opposed ends (3, 5) adapted to be connected to respective pipework, the pipe (1) comprising a longitudinal axis (9), the transverse cross section of the pipe (1) varying along the length of the pipe s...  
WO/2010/097014A1
A noise elimination method based on sound ray refraction theory and the muffler thereby are disclosed. The method uses low temperature refrigeration system (2) to form a temperature gradient inside and outside the chamber of the muffler,...  
WO/2010/091656A3
The invention relates to a muffler for a turbo or piston engine, in particular a screw compressor, comprising a housing (1.1-1.3), a disc arrangement having at least one disc (3, 4, 5) attached to the housing, a tube arrangement having a...  
WO/2010/091656A4
The invention relates to a muffler for a turbo or piston engine, in particular a screw compressor, comprising a housing (1.1-1.3), a disc arrangement having at least one disc (3, 4, 5) attached to the housing, a tube arrangement having a...  
WO/2010/091656A2
The invention relates to a muffler for a turbo or piston engine, in particular a screw compressor, comprising a housing (1.1-1.3), a disc arrangement having at least one disc (3, 4, 5) attached to the housing, a pipe arrangement having a...  
WO/2010/089283A1
The invention relates to a sound absorber (1) comprising at least one gas channel (11) through which gas flows, wherein at least one helical fixture (4) is provided in the gas channel, wherein the helical fixture gives an inner area (10)...  
WO/2010/087902A2
A passive valve assembly for a vehicle exhaust system includes an exhaust component that defines an exhaust gas flow path and a vane that is positioned within the exhaust gas flow path. The vane is positioned at an initial start position...  
WO/2010/087902A3
A passive valve assembly for a vehicle exhaust system includes an exhaust component that defines an exhaust gas flow path and a vane that is positioned within the exhaust gas flow path. The vane is positioned at an initial start position...  
WO/2010/086719A1
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 chambers include a first chamber defined, at ...  
WO/2010/085695A1
A device or system through which fluid is adapted to flow, such as, for example, a fluid- carrying conduit, flow control valve, or fluid expansion device including, for example, a steam turbine or fluid expander, according to which acous...  
WO/2010/085698A1
A device or system through which fluid is adapted to flow, such as, for example, a fluid- carrying conduit, flow control valve, or fluid expansion device including, for example, a steam turbine or fluid expander, according to which acous...  
WO/2010/081148A3
A system, apparatus, and method for improving performance of a pressurized system having a natural gas reciprocating compressor pump. The sound attenuation device has a pipe having an outlet connected to one or more tuned loops, where ea...  

Matches 251 - 300 out of 14,722