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Patent Searching and Data


Matches 251 - 300 out of 14,813

Document Document Title
WO/2012/077500A1
An exhaust device for a saddled vehicle is provided with an exhaust pipe which is extended from the engine and an exhaust muffler which is connected to the front end of the exhaust pipe. The exhaust device is characterized in that the ex...  
WO/2012/074625A1
A vehicle exhaust system includes at least one exhaust component that defines an exhaust passage from an engine to an exhaust outlet. An active noise attenuation component is associated with the exhaust component. A valve is positioned w...  
WO/2012/074893A2
A muffler for an internal combustion engine exhaust system includes a housing having an inlet and outlet headers enclosing opposite ends of an outer shell. A partition divides a housing interior into first and second chambers, the first ...  
WO/2012/072789A1
The invention relates to a muffler for motor vehicle exhaust systems comprising an internal combustion engine. Said muffler comprises an exhaust gas flow pipe (5) for conducting exhaust gas, said pipe having an exhaust gas inlet opening ...  
WO/2012/074893A3
A muffler for an internal combustion engine exhaust system includes a housing having an inlet and outlet headers enclosing opposite ends of an outer shell. A partition divides a housing interior into first and second chambers, the first ...  
WO/2012/069292A1
The invention relates to a silencer (1) which is for an exhaust gas installation (2) of a combustion engine, particularly of a motor vehicle, and which comprises a silencer housing (3) that encloses a housing inner chamber (5), and at le...  
WO/2012/055949A1
The invention relates to an exhaust gas muffler arrangement (1) for an internal combustion engine, in particular a generator, comprising a pre-muffler (VSD) and a post-muffler (NSD). In order to achieve a compact design with a high sound...  
WO/2012/055784A3
The invention relates to a disc damper for a charge air line of an internal combustion engine (24) having a turbocharger (20), comprising an inlet (26), an outlet (28), and at least one slit chamber (38) disposed between the inlet (26) a...  
WO/2012/048314A1
System comprising a tubular conduit (402) for conducting exhaust gas from an exhaust gas source. A plurality of passages (404) are positioned within a section of said tubular conduit (402), each of the plurality of passages (404) having ...  
WO/2012/048314A4
System comprising a tubular conduit (402) for conducting exhaust gas from an exhaust gas source. A plurality of passages (404) are positioned within a section of said tubular conduit (402), each of the plurality of passages (404) having ...  
WO/2012/036032A1
[Problem] To provide an exhaust muffler provided with a tail pipe for suppressing ripples, increasing an engine output and improving fuel consumption efficiency. [Solution] A chamber (10) is provided in the middle of an exhaust pipe (1) ...  
WO/2012/030222A1
Exhaust for a motorized vehicle, such as a motorcycle or a car. The exhaust comprises a first exhaust tube, a second exhaust tube, and a muffler provided within the first exhaust tube. The exhaust is provided with a butterfly valve arran...  
WO/2012/016684A1
The invention relates to a muffler for an exhaust gas system of an internal combustion engine, comprising a muffler housing, at least one exhaust gas inlet, at least one exhaust gas outlet, and at least one muffling device that lies in t...  
WO/2012/009342A1
In one embodiment, an exhaust device has an inner cone stack assembly made up of connectedly overlapping inner cone components with frustums. The inner cone stack assembly is disposed within an outer shell and connected to the exhaust de...  
WO/2012/008394A1
A two-wheeled motor vehicle (10) comprising an exhaust gas discharge device (52) extending in the longitudinal direction of the vehicle from the exhaust gas discharge port (53) of the engine (28). An upper fastening section (87) and a lo...  
WO/2011/162924A2
A multi-stage low pressure drop muffler for a compressor including a first plate having a hole, a tube attached to the first plate, a plurality of holes disposed around the circumference of the tube, a plurality of tubes extending throug...  
WO/2011/161042A1
A muffler for a heat engine such as burner and a heating system are described. The muffler comprises an inlet (100), an outlet (105) and a tube assembly (110) arranged between the inlet and the outlet. The tube assembly comprises an inne...  
WO/2011/162924A3
A multi-stage low pressure drop muffler for a compressor including a first plate having a hole, a tube attached to the first plate, a plurality of holes disposed around the circumference of the tube, a plurality of tubes extending throug...  
WO/2011/158996A1
The present invention relates to a muffler for automobiles. More specifically, the present invention relates to a muffler for automobiles comprising a front muffler (100) and a rear muffler (200), wherein the front muffler (100) includes...  
WO/2011/155388A1
Provided are a unit-type exhaust silencer preferably used for engine-driven equipment, and an engine-driven water heater using the unit-type silencer. An exhaust silencer (1) is comprised of a plurality of exhaust silencer units (22). Ea...  
WO/2011/152880A3
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/2011/152915A3
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 ...  

Matches 251 - 300 out of 14,813