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Patent Searching and Data


Matches 651 - 700 out of 14,815

Document Document Title
WO/2003/002852A2
A catalytic muffler (10) having a housing (12) with a first chamber (14) and a second chamber (16) fluidly communicating through a catalyst bed interspersed there between. A first baffle assembly (40) in the first chamber (14) extends be...  
WO/2003/002855A1
A catalytic muffler having at least one reactor bed (20, 22) each bed having an array of discreet adjacent flow zones (30, 32, 34, 36). The flow zones are interconnected by a series of passages (50, 52, 54) for unidirectional flow (90) o...  
WO2002053884A3
A method and apparatus for processing exhaust gas of internal combustion engines, in a manner favorable to noise attenuation and clean emissions. The apparatus (18) is characterized by turbine blades (70.1, 70.2, 70.3, 70.4, 110, 133, 13...  
WO2002042233A3
High temperature glass fibers suitable for use as textile and reinforcements are specifically adapted to be used in high temperature applications such as sound absorbing material in engine exhaust mufflers. The glass fibers have composit...  
WO/2002/103188A1
A gas turbine engine includes an exhaust flow guide attached to the engine exhaust end. The exhaust flow guide is made of a piece of sheet metal curved about the central longitudinal axis of the engine to form a partial portion of a nozz...  
WO/2002/101227A1
The invention relates to a silencer (1) for noise-laden gas pipes, especially for a suction pipe and/or an exhaust pipe of an internal combustion engine, comprising an outer pipe (2) with an inlet side (3) and an outlet side (4), a plura...  
WO2001079665A3
The invention relates to a multiple-chambered exhaust muffler (1), more particularly an exhaust muffler of a passenger car, comprising an outer housing (2) consisting of a top and a bottom half-shell (3, 4), an inner shell (5) and an inn...  
WO/2002/095376A2
The device of modular construction permits the simultaneous or also non-simultaneous recording and characterisation of the solid and liquid particles and the gaseous components of the exhaust gases on various test supports, with only sma...  
WO2002060763A3
There is provided a process for filling a muffler (10) with fibrous material (24). The process includes feeding fibrous material into a muffler comprising a closed outer shell (12) having an inner cavity (12a) and a perforated pipe havin...  
WO/2002/084083A1
Disclosed is an exhaust system for a motor vehicle, adapted to be applied to or operatively associated with a muffler arranged in an exhaust gas discharge path to accelerate discharge of exhaust gas. The system comprises a funnel-shaped ...  
WO/2002/084084A1
A muffler is provided for use in a pneumatic hand tool (10) having a handle (12) with an exhaust passage (16). The muffler includes an inner tube (30), an outer tube (32), an upper plate (36), and an end cap (44). The inner tube (30) is ...  
WO/2002/078911A1
A pneumatic tool (10) has a housing (11) with an external surface and defining a plurality of cavities therein to hold components of the pneumatic tool. The housing defines a motor cavity wherein a pneumatic motor is disposed. Two spaced...  
WO/2002/077425A1
An exhaust processor (10, 210, 310, 310', 410, 410', 510, 610) comprises a housing (36, 236, 336, 436, 536, 636) formed to include an interior region (38, 238, 338, 438, 538, 638) and a first aperture (58, 258, 358, 458, 556, 658), a fil...  
WO/2002/075122A1
A process is provided for filling a muffler shell with fibrous material. The process comprises the steps of: providing a muffler shell comprising first and second muffler shell outer parts (60, 62) which define an internal cavity when co...  
WO/2002/075126A1
The invention relates to a method of the production of a honeycomb body (7) with a given number (n) of sheet layers (18) from at least one feed roll (1), of which at least a part are at least partly structured sheet layers (18), which le...  
WO/2002/066800A1
Soundproofing and lagging material, which has the characteristic to increase its volume with the heat, thanks to fiber glass yarn (1, 2) or other suitable material; the above mentioned yarns (1, 2) are arranged at 90 degree among them, f...  
WO/2002/066799A1
An air turbine apparatus (10) for use with a combustion engine either as a muffler or as an air intake device is comprised of a housing (12) defining an expansion chamber (20) and an airfoil (50) positioned within the housing (12). The a...  
WO/2002/066798A1
The invention relates to an apparatus for damping resonance in a conduit (10) for transporting exhaust gases from an internal combustion engine. The resonance is damped by virtue of the conduit (10) being provided with at least one perfo...  
WO/2002/064957A1
The invention relates to a housing or tube for hot pulsating gases, especially for the exhaust gases of an internal combustion engine, for which two parallel metal sheets (1, 2) are used between which a non-metallic intermediate layer (3...  
WO/2002/064953A1
Silencer intended to be connected to a gas flow with pressure fluctuations such as for example downstream a combustion engine, the silencer comprising a housing (4) provided with an envelope surface (30) and two side surfaces (31, 32), a...  
WO/2002/060763A2
There is provided a process for filling a muffler (10) with fibrous material (24). The process includes feeding fibrous material into a muffler comprising a closed outer shell (12) having an inner cavity (12a) and a perforated pipe havin...  
WO/2002/059522A1
The present invention relates to a method reducing the pressure and pulsant energy of high-pressure fluid and a device thereof, especially to some kinds of mufflers. Said device has a guiding fluid cover in a flow pipe. Said cover can ch...  
WO/2002/057604A1
An exhaust emission control device capable of reducing the effect of air pollutants such as nitrogen oxides, carbon monoxide, hydrocarbon, and particulates thereon and, particularly, having a sufficient effect on the reduction of the air...  
WO/2002/057616A1
The invention relates to a sound absorber (1) mounted on or in a component (7), wherein a sound which is to be absorbed is propagated. The silencer (1) comprises a hollow body (8), which communicates with the component (7) or forms a com...  
WO2000052312A9
A muffler (10) having two outer shells (12, 14) attached at their peripheries to form an internal chamber divided into subchambers by a perpendicular baffle (20) extending between the shells (12, 14) that is equipped with an aperture (26...  
WO2002002915A8
The exhaust muffler for internal combustion engines, especially automobile engines consists of a heat exchanger (3) placed in a housing (1) and a coaxially located silencing rotor (4) placed on a shaft (2). Pipes (13) are connected to th...  
WO/2002/053884A2
A method and apparatus for processing exhaust gas of internal combustion engines, in a manner favorable to noise attenuation and clean emissions. The apparatus (18) is characterized by turbine blades (70.1, 70.2, 70.3, 70.4, 110, 133, 13...  
WO/2002/053883A1
This invention relates to an exhaust gas flow control valve, designed to be mounted at the end of the inlet pipe (2) of an exhaust line silencer (1). This control valve is characterised by the fact that it is essentially made up of a cha...  
WO/2002/050407A1
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 low frequency sound attenuation, reduces...  
WO/2002/050420A1
The invention concerns a device for soundproofing a gas stream comprising a pipe provided with perforations wherein circulates the gas stream and comprising a sound-absorbent coating over at least part of its internal surface.  
WO2002006643A3
A multiple layer fiber filled sound absorber (100) and method of manufacturing the absorber are disclosed. The sound absorber includes an outer housing (110), a porous or perforated inner tube or housing (120) defining a passageway (126)...  
WO/2002/046585A2
A fluid stream pulse damper (12) having a fluid conduit (20) defining a fluid path (18) and a fluid flow direction (18). The conduit (20) has an inlet end (34) and an outlet end (36). A damper body (22) in the conduit (20) intersects the...  
WO2002027159A3
The invention relates to a method for producing an absorption muffler for motor vehicles that is provided with a semimonocoque design or in the form of a casing. Said muffler comprises a housing (1) and an inner muffler body (2), which i...  
WO/2002/042233A2
High temperature glass fibers suitable for use as textile and reinforcements are specifically adapted to be used in high temperature applications such as sound absorbing material in engine exhaust mufflers. The glass fibers have composit...  
WO/2002/038419A1
A bumper/muffler assembly (30) is provided comprising a bumper (20); and a muffler (10) having an outer shell (12). The outer shell may be formed from a non-high impact resistant material, such as a thin metal or a composite material. Th...  
WO/2002/037468A1
An arrangement of acoustic noise reduction equipment including an electronic controller (17), acoustic sensors (13, 14), and an acoustic output device (16), the controller being connected to the sensors (13, 14) and the output device (16...  
WO/2002/036944A1
An exhaust silencer device (300), comprising a housing (302), an intake wall (318) and an exhaust wall (316) disposed within the housing (302), the intake wall (318) and the exhaust wall (316) forming a flow channel, an intake manifold (...  
WO/2002/036942A1
The subject invention refers to a muffler comprising a muffler housing (1, 2) and generally a catalytic converter element (13) mounted in the housing, which muffler has at least one inner outlet (4) through which exhaust gases cleaned by...  
WO/2002/033230A1
A method and system for attenuating noise including arranging a plurality of accumulator (210A, 210B, 310A, 310B) to form a transmittance path for compressible flow mass and noise between a noise source (212A, 212B, 312A, 312B) and the e...  
WO/2002/027161A1
The present invention relates to an ant-scald exhaust muffler which is installed in a exhauts line. This muffler comprises an inner metal plate and an outer metal plate, which combine with each other to form a sealing hollow body. Making...  
WO/2002/027159A2
The invention relates to a method for producing an absorption muffler for motor vehicles that is provided with a semimonocoque design or in the form of a casing. Said muffler comprises a housing (1) and an inner muffler body (2), which i...  
WO2001081737A3
The invention concerns a terminal element for a gas exhaust pipe. Said element comprises a longitudinal jacket (8) with an intake (7), an outlet (11) and a concentric inner pipe (13) extending along part of the jacket (8), the pipe being...  
WO2000050742A9
An exhaust system (10) includes an exhaust manifold (14) coupled to an engine (12), a decoupler (16) including an inlet coupled to exhaust manifold (14), an outlet extension (28) coupled to an outlet of decoupler (16), and various downst...  
WO/2002/023018A1
In-line exhaust systems comprise an exhaust pipe (14), and a sound-attenuating baffle (34) in the exhaust pipe. The baffle has one or more baffle plates extending across the gas flow channel, at least one at an oblique angle. Each plate ...  
WO/2002/023099A1
A light absorbent for hygienic spaces comprising a porous mat. The normalized flow resistance of the mat is in the interval of 0.5-2.  
WO/2002/023019A1
The invention relates to a device for treating waste gases, which can be arranged inside the waste gas stream of an internal combustion engine or in the waste gas line of stationary firing locations and which comprises a supply pipe and ...  
WO/2002/014561A1
The present invention relates to an engine silencer for controlling back pressure and gas leakage. The silencer includes an outer tube, an inner tube coaxial through the outer tube, plates with holes disposed at the space between the inn...  
WO/2002/010563A1
The invention relates to mechanical engineering and can be used for reducing the toxicity of exhaust gases, for example in internal combustion engines. The inventive device for cleaning exhaust gases comprises a body (1) provided with an...  
WO/2002/010560A1
The invention concerns a device for active attenuation of sound waves produced by an exhaust line comprising a chamber (10) for exhaust gas circulation, a loudspeaker (12) and means for securing the loudspeaker (12) on the chamber (10). ...  
WO/2002/010561A1
The invention concerns a transverse partition (24, 124) separating two adjacent chambers (26) of an exhaust volume (12) comprising at least a passage (44, 164) for gases circulating between the two chambers, the cross-section provided fo...  

Matches 651 - 700 out of 14,815