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Patent Searching and Data


Matches 351 - 400 out of 14,816

Document Document Title
WO/2009/136998A3
An exhaust cooling device (10) is provided for an exhaust pipe (12) of a combustion process. The cooling device (10) includes a tubular housing (20) having an upstream portion (16) and a downstream portion (18), with the upstream portion...  
WO/2009/136556A1
A packaged engine constructed by containing an engine (10) in a package (2). An air cleaner (22) and an intake silencer (23), which are engine intake devices, are arranged in an intake chamber (8A) which is a chamber different from a cha...  
WO/2009/133613A1
A mat material that even when disposed in high-temperature conditions in the use in automobile muffler, etc., can be free from breakage due to wind erosion and thermal deterioration and excels in handleability. The mat material has the f...  
WO/2009/113107A1
The subject matter described herein relates to a variable sound exhaust system for a vehicle. The exhaust system (100) includes an exhaust pipe (102) and a muffler (106) having a plurality of expansion chambers (110) and a plurality of p...  
WO/2009/110060A1
A sound-deadening structure of vent tube and sound-deadening structure of case that realize not only deadening of sound in a wide frequency region but also prevention of any deterioration of ventilation resistance in the vent tube and ca...  
WO/2009/110843A1
The present invention relates to a baffle for use in a silencer intended for ventilation ducts and to a sound damping arrangement of baffles. The baffle (2) according to the invention is of rectangular shape as viewed both from the side ...  
WO/2009/111096A1
A passive, exhaust pressure actuated valve assembly for placement inside a tubular exhaust conduit is pivotally mounted to an off-center axle for rotation between fully closed and fully opened positions. A bias element forces the valve f...  
WO/2009/106123A1
In the present silencer (20) for valve equipment for blow-moulding machines, arranged at the outlet of a venting valve of the valve equipment, for venting the compressed air from a blowing volume (17), there is a first tubular hollow bod...  
WO/2009/107375A1
Three exhaust pipe units (20, 40, 60) are arranged in a row in a back pressure regulator (15) of an exhaust device. In each of the exhaust pipe units (20, 40, 60), the base end of inner exhaust pipe (22, ...) is inserted into an outer ex...  
WO/2009/107376A1
A sound absorber (10) is provided with an outer cylinder (20) and an inner pipe (30). The inner pipe (30) is provided in the internal space of the outer cylinder (20). A space between the outer cylinder (20) and the inner pipe (30) is fi...  
WO/2009/103561A1
The invention relates to an exhaust gas control system (1) and an exhaust gas control method. Said exhaust gas control system (1) comprises an exhaust gas throttle valve (4) in an exhaust gas channel (5) and an actuation device (6) of sa...  
WO/2009/099986A3
Mufflers having polymeric bodies (1) that are protected from being overheated from the exhaust pipe (2) by having an air gap between the exhaust pipe and the polymeric body are disclosed. Also disclosed is a process for making muffler sy...  
WO/2009/099986A2
Mufflers having polymeric bodies (1) that are protected from being overheated from the exhaust pipe (2) by having an air gap between the exhaust pipe and the polymeric body are disclosed. Also disclosed is a process for making muffler sy...  
WO/2009/099399A1
This invented muffler includes a high-voltage and high-speed direct-current motor (1.1) supplied from the vehicle battery and fixed externally on the specially manufactured exhaust pipe (3) of the engine; a drive system resistant to high...  
WO/2009/096336A1
A muffler for connection to the exhaust system of an internal combustion engine has a guide section (42) for guiding suction of water contained at the bottom of the muffler into an outlet pipe (30). The guide section (42) is provided to ...  
WO/2009/087270A1
An exhaust silencer of a combustion engine, comprising a housing (1) that is to be connected to an exhaust pipe, through which housing the exhaust gases are ar- ranged to be conducted and which comprises a reactive part (2) and an absorb...  
WO/2009/086619A1
A muffler for mounting to a handheld pneumatic tool, such as a die grinder. The muffler comprises a hollow open-ended casing having an inner wall lined with a thick layer of an insulating material. The muffler is sleeve mounted about a c...  
WO/2009/079727A1
The attenuation system is applied to a compressor which comprises: a cylinder (2) having an end closed by a valve plate (4) provided with a discharge orifice (4a) and defining, with the cylinder (2), a compression chamber (6), a cylinder...  
WO/2009/065904A1
A centrifugal compressor discharge or suction nozzle comprises at least one side resonator integrally formed in the centrifugal compressor discharge or suction nozzle. Further, a centrifugal compressor discharge or suction nozzle formed ...  
WO/2009/062233A1
A thermal emission-conversion muffler (10) for reducing the toxic emissions output from the muffler has an inlet pipe (20), an outlet pipe (25), and a body (30) extending lengthwise between the inlet and outlet pipes. The muffler (10) fu...  
WO/2009/056931A3
If it is determined that a precondition (S108, S110, S112) for closing an exhaust throttle valve is not satisfied ("NO") during removal of PM, auxiliaries that are an air-conditioner, a radio, and an electric fan are turned off. If the p...  
WO/2009/056931A2
If it is determined that a precondition (S108, S110, S112) for closing an exhaust throttle valve is not satisfied ("NO") during removal of PM, auxiliaries that are an air-conditioner, a radio, and an electric fan are turned off. If the p...  
WO/2009/058981A1
A method for filling a muffler with a fibrous material (44) is disclosed. The muffler includes partitions which form a first chamber (13) and second chamber (15), and a first muffler pipe (28) having an outlet end (35). A filling apertur...  
WO/2009/049809A1
The present invention relates to an exhaust gas tail pipe (2) for motor vehicles. In order to provide an exhaust gas tail pipe with which the sound of a vehicle can be improved in a cost effective way, and which can be installed on a pro...  
WO/2009/041892A1
The present invention relates to a sound-damping arrangement. The sound-damping arrangement comprises a sound-damping container (3) with an internal space (3a), an inlet line (2) adapted to leading a fluid to the container (3) from a mac...  
WO/2009/039999A1
The present invention refers to an absorption muffler comprising an, in particular metallic, pipe, like an exhaust pipe including a plurality of perforations and, in particular polymeric, housing carried by the pipe and enclosing the plu...  
WO/2009/041221A1
A compressor has in-port path forming means at least in either of a discharge port section communicating with a discharge chamber and a suction port section communicating with a suction chamber. The in-port path forming means has two or ...  
WO/2009/030429A1
The invention relates to an exhaust gas system for internal combustion engines, having an inlet pipe (2), a device for the gas discharge (10), and at least four exhaust gas channels (5a, 5b, 5c, 5d, 5e, 5f) extending in a parallel direct...  
WO/2009/031012A2
A resonance device (28) which is provided in an exhaust device (23) having a silencer (27) that silences sound of exhaust gas from an engine (21) and which silences a specific frequency sound includes: an exhaust pipe (34) which is provi...  
WO/2009/031015A3
In a exhaust device for a vehicle internal combustion engine, an exhaust pipe (20) of an engine (11) branches at a branching point (B) into a downstream- side first branch pipe (32) and a downstream- side second branch pipe (33). A first...  
WO/2009/031019A2
An exhaust silencer device for an internal combustion engine which includes: an exhaust pipe (10) that forms an exhaust passage from an engine (1), and an exhaust opening; and a muffler (22) attached to the exhaust pipe (10) so as to sil...  
WO/2009/031012A3
A resonance device (28) which is provided in an exhaust device (23) having a silencer (27) that silences sound of exhaust gas from an engine (21) and which silences a specific frequency sound includes: an exhaust pipe (34) which is provi...  
WO/2009/031019A3
An exhaust silencer device for an internal combustion engine which includes: an exhaust pipe (10) that forms an exhaust passage from an engine (1), and an exhaust opening; and a muffler (22) attached to the exhaust pipe (10) so as to sil...  
WO/2009/023178A1
A system, apparatus, and method for attenuating pulsations in a pumping system.  
WO/2009/018950A1
The invention relates to a housing for mufflers in exhaust gas systems for internal combustion engines, wherein the housing comprises, among others, a housing sheath and exhaust gas guiding fixtures in the interior of the housing made of...  
WO/2009/019806A1
A compact exhaust purification apparatus being satisfactory in the dispersion of exhaust gas from sound deadening structure (2) to oxidation catalyst (3). The sound deadening structure (2) disposed on the upstream side along gas flow dir...  
WO/2009/015797A1
The present invention relates to a silencer (1) for an internal combustion engine. Here, a silencer chamber (10) which is provided is partially or completely surrounded by a cooling air jacket chamber (20). The silencer chamber (10) can ...  
WO/2009/016780A1
A compact arrangement of particulate filter (5) and selective reduction catalyst (6) while ensuring satisfactory reaction time for formation of ammonia from urea-water is realized to thereby ease the embarkation thereof on vehicle. The e...  
WO/2009/009119A1
A muffler for reducing the sounds of combustion gases exhausted from an internal combustion engine. The muffler including an elongated fluid passage extending between an inlet and an outlet such that the outlet is in fluid communication ...  
WO/2009/007138A1
The invention relates to a method and an apparatus (1) for damping acoustic waves (2) in a fluid which is situated in a volume (3), comprising a cavity (8) which is enclosed by delimiting surfaces (4-7), wherein at least one of the delim...  
WO/2009/009120A1
A muffler for reducing the sounds of combustion gases exhausted from an internal combustion engine including an elongated fluid passage extending between an inlet and an outlet such that the outlet is in fluid communication with the inle...  
WO/2008/152336A2
Motor vehicle exhaust line silencer comprises: - an upper shell (2) comprising a substantially flat upper end wall (16); - a lower shell (4) comprising a substantially flat lower end wall (24) parallel to the upper end wall (16), the upp...  
WO/2008/152336A3
Motor vehicle exhaust line silencer comprises: - an upper shell (2) comprising a substantially flat upper end wall (16); - a lower shell (4) comprising a substantially flat lower end wall (24) parallel to the upper end wall (16), the upp...  
WO/2008/149040A1
According to the invention, the exhaust volume (1) for the exhaust line of an automobile comprises: a main envelope (2) defining a main enclosure and including an exhaust gas inlet and an exhaust gas outlet (8); and at least one cup-shap...  
WO/2008/150024A1
A silencer exhibiting excellent silence characteristics for damping the delivery sound over a wide range including the entire region of low frequency zone, intermediate frequency zone, and high frequency zone without increasing the muffl...  
WO/2008/147743A2
Methods of forming compressed preform products (74) formed from continuous fibers (24) substantially evenly coated with a thermoplastic sizing composition are provided. Applying a thermoplastic sizing composition to continuous fibers (10...  
WO/2008/147743A3
Methods of forming compressed preform products (74) formed from continuous fibers (24) substantially evenly coated with a thermoplastic sizing composition are provided. Applying a thermoplastic sizing composition to continuous fibers (10...  
WO/2008/147746A1
Compressed preform products formed from continuous fibers substantially evenly coated with a thermoplastic sizing composition are provided. Preferably, the continuous fibers are glass fibers. Applying a thermoplastic sizing composition t...  
WO/2008/143023A1
An exhaust pipe for a vehicle-mounted engine. The outer end (132C) of an inner pipe (131) inserted in an outer pipe (110) is in contact at a first position with the inner peripheral surface of an outer pipe (110), the outer pipe (110) is...  
WO/2008/138828A1
The invention relates to a device (24) with which acoustic vibrations in the fluid flow can be measured, for the early recognition of interfering vibrations in a fluid flow. The device (24) comprises an acoustic filter (32) for amplifyin...  

Matches 351 - 400 out of 14,816