Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 351 - 400 out of 14,722

Document Document Title
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...  
WO/2008/116870A1
The invention relates to a Helmholtz resonator (6) for damping airborne sound in a space, particularly in a conduit (4, 5) transporting airborne sound, comprising a housing (8) surrounding a resonance volume (9), comprising at least one ...  
WO/2008/117580A1
An exhaust heat recovering muffler (1) comprises an exhaust heat recovery part (4) disposed between an inner pipe (3) and an outer pipe (2) through which an exhaust gas passes and recovering an exhaust heat by heat-exchanging between the...  
WO/2008/115841A1
A fixed auger assembly (10) comprises a pair of identical auger blades (12, 14) mounted within an auger casing (16). The auger casing (16) includes two end sections, (18, 20) which are substantially identical, with the exception that one...  
WO/2008/115212A1
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/2008/111740A1
The present invention regards to a silencer for automobiles, architectural and other mechanical facilities, which is composed of following components^ the pipe-type body that is installed on the exhaust system of mechanical structure whe...  
WO/2008/108538A1
The present invention provides a silencer, which is coupled to a pneumatic device to reduce noise. The silencer (10) of the present invention has a double pipe structure, which includes an inner casing (11), which is coupled to an outlet...  
WO/2008/107060A1
A sound-absorbing insulating element (10) has a mat (12) composed of interconnected fibers (14), wherein the mat (12) of constant density has at least two sections (16, 18) of different thickness (d1, d2). Furthermore, a sound absorber w...  
WO/2008/107151A1
The invention relates to an exhaust gas aftertreatment device having a hollow cylindrical housing jacket (2). An exhaust gas catalyst, preferably embodied as an SCR catalyst, and an inflow chamber (9) for exhaust gas to be purified are p...  
WO/2008/102093A3
The invention relates to a valve designed to seal a port (36) in the structure (10) of a motor vehicle exhaust line muffler (1). The valve (38) includes a plug (44) which can be connected to the structure (10) and occupy a position in wh...  
WO/2008/098330A3
Constructive arrangement of an acoustic filter for a refrigeration compressor, coupled to a refrigeration system containing a refrigerant gas, said acoustic filter (10) comprising a hollow body (11) defining at least one muffling chamber...  
WO/2008/098330A2
Constructive arrangement of an acoustic filter for a refrigeration compressor, coupled to a refrigeration system containing a refrigerant gas, said acoustic filter (10) comprising a hollow body (11) defining at least one muffling chamber...  
WO/2008/091664A1
A system (50) comprises a plurality of storage drives (60) coupled to logic (52). The logic implements a noise-reducing feature selected from a group consisting of a first feature that limits system performance based on a level of ambien...  
WO/2008/087023A1
The invention relates to a device for damping noise generated by exhaust air, comprising a hollow base body (11) having an inlet opening (13) for the exhaust air and an outlet opening (14) for the exhaust air and a damping means (12), wh...  
WO/2008/085075A1
The inventive method consists in forming stationary waves in such a way that a vibrating combustion mode is maintained in an internal combustion engine by displacing exhaust gas in the form of two interacting swirl and central flows in a...  
WO/2008/084782A1
A pulsation absorbing device having a noise reducing device (2) provided in a conduit (6), the noise reducing device (2) damping pulsation caused by fluid flowing in a conduit (1), wherein the pulsation absorbing device satisfies the rel...  
WO/2008/079085A1
The present invention relates to a container device adapted to being arranged in an exhaust system for a combustion engine. The container device comprises an outer casing (1), a tubular element (4) surrounded by said casing (1), and an e...  
WO/2008/079056A1
A catalytic muffler (101, 201, 301) for an internal combustion engine of a portable working tool, e.g. a chain saw or a trimmer, comprises a housing (109, 209, 309) designed to be directly attached to an exhaust port of an engine. The ho...  
WO/2008/076352A1
In a method of forming a silencer preform from fibers of a fiberizable material, the fibers are fed into a mold, and a low temperature cure binder is applied to the fibers. The binder is cured at a low temperature to bond together the fi...  
WO/2008/074414A1
The invention relates to an exhaust pipe for an exhaust system of an internal combustion engine, comprising at least one guide element (20) for influencing the flow, wherein the exhaust pipe (14) has a curvature and the guide element (20...  
WO/2008/073137A1
The present invention provides composite muffler systems formed of a long fiber thermoplastic. One suitable muffler structure is a multi-piece muffler assembly including at least one long fiber thermoplastic shell section (202). The use ...  
WO/2008/041759A1
A substantially elliptic tubular muffler device (1) mounted to a vehicle is provided. The muffler device is provided in such a manner that a center axis extends along a lateral direction of a vehicle. The muffler device is provided with ...  
WO/2008/034943A1
An exhaust system for a turbocharged (2) piston engine (1), the exhaust system comprising a cylinder exhaust port (12, 12', 12'') for removing exhaust gas from the cylinder (10), a turbine (4) through which the exhaust gas is arranged to...  
WO/2008/030258A3
An exhaust diffuser for a truck includes a chamber (10) mountable on a truck exhaust stack pipe (5). The chamber (10) a cross sectional area much greater than the cross sectional area of the exhaust pipe (5), and has a dispersing element...  
WO/2008/030258A2
An exhaust diffuser for a truck includes a chamber (10) mountable on a truck exhaust stack pipe (5). The chamber (10) a cross sectional area much greater than the cross sectional area of the exhaust pipe (5), and has a dispersing element...  
WO/2008/026550A1
A combine having an exhaust device capable of efficiently discharging exhaust gas in a direction away from a machine body. The combine has a grain tank (17) for containing hulls after harvesting, threshing, and sorting processes, and als...  
WO/2008/018821A1
The invention relates to a device for attenuating and/or directing sound, wherein it comprises a tubular element (122) delimiting an inner space (201) for conveying a gas flow. A wall (301) defining an envelope surface of the tubular ele...  
WO/2008/018630A1
A muffling chamber (5) is located between a first main body wall (42A) and a second main body wall (42B) with respect to a height direction (AE). An outflow pipe (8) has: a first opening (8A) that connects an outflow passage (8R) with a ...  
WO/2008/014659A1
A pulse muffler for an air conditioner is disclosed. The muffler includes a muffler outer pipe (1), and the space enclosed by the outer pipe (1) forms a muffler cavity (2). An outer pipe inlet (3) and an outer pipe outlet (4) are formed ...  
WO/2008/015046A1
The invention relates to an apparatus for absorbing the sound of a medium which flows through a tubular channel, has pulsating pressure differentials and has, at least in sections, a proportion which rotates about the longitudinal axis o...  
WO/2008/013018A1
A structure for an exhaust pipe connection section of a muffler. A through-hole (11a) penetrating a side wall of an outer shell (11) is set greater than the outer diameter of an inlet pipe (2), and a reinforcing and gap closing member (3...  

Matches 351 - 400 out of 14,722