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WO/2012/148343A1 |
The invention relates to a silencer device (10) for connection to a piston compressor of a motor vehicle, which device comprises - a housing (11) with an inlet (12) intended for connection to a suction line or to an air outlet of a pisto...
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WO/2012/131042A1 |
An exhaust-gas treatment unit (1) at least having a housing (2) with a first face side (3) and with an oppositely arranged second face side (4), having a pipe (5) which extends from the first face side (3) to the second face side (4) and...
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WO/2012/133071A1 |
An engine-driven work machine including: a two-cycle engine including a piston which is configured to reciprocally move inside a cylinder to which an exhaust port is formed; and a front end tool configured to be driven by the engine, whe...
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WO/2012/129332A1 |
A method and device for controlling emissions of VOC's comprises transporting VOC's to an engine and transporting the exhaust from the engine into a manifold. Supplemental air is transported into the manifold and heat is transferred from...
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WO/2012/120037A2 |
The invention relates to a two-stroke engine (100) for an engine-driven tool, comprising a muffler (10), especially for a manually operated engine-driven tool such as a maintenance device for gardens or green spaces, for a hand-held tool...
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WO/2012/120118A1 |
The invention relates to a muffler (100, 200, 300) for a two-stroke engine (10) of an engine-driven tool, the muffler comprising a muffler inlet (11) to which a flow channel (12) is contiguous such that the flow channel (12) can be conne...
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WO/2012/120034A1 |
The invention relates to a muffler (100) for a two-stroke engine (10) of an engine-driven tool, wherein a flow channel (12) between the muffler inlet (11) and a first chamber (15) is formed so as to promote flow such that the exhaust gas...
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WO/2012/118331A2 |
The present invention relates to a system for denitrifying exhaust gas, and more particularly, to a system for denitrifying exhaust gas having a noise-damping structure, in which a denitrification reaction and noise-damping are enabled b...
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WO/2012/118149A1 |
An exhaust gas purification device is provided with a tube-shaped shell, a flow path pipe, and a lid member. The flow path pipe is connected to the tube-shaped shell so as to extend in the radial direction of the tube-shaped shell. The t...
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WO/2012/113866A1 |
A first aspect of the invention relates to a method for producing a sound-damping, sound-absorbing, and/or insulating molded material. More specifically, the method according to the invention relates to the production of said molded mate...
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WO/2012/113867A1 |
In a first aspect, the invention relates to a muffler insert for motor vehicles, in particular for passenger cars and trucks. Said muffler insert in the form of a shaped material made of glass fiber material is present in the wound form ...
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WO/2012/090238A1 |
The present invention addresses the problem of providing an exhaust device which renders unnecessary the installation of a sub-muffler on a tailpipe and the installation of an exhaust passage opening/closing mechanism on the main muffler...
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WO/2012/085636A1 |
A silencing apparatus for a vehicle includes: a muffler (1; 20; 30; 40) having a flattened sectional shape; an inlet pipe (7; 26; 36; 46); an outlet pipe (8; 27; 37; 47); and at least one partition plate (2, 3; 21, 22; 31, 32; 41, 42) th...
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WO/2012/079662A1 |
The invention relates to a device for converting thermal energy to electrical energy, comprising at least one thermoelectric module (19) which has an outer surface having a hot side (20) for contacting a heat source and having a cold sid...
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WO/2012/079141A1 |
The acoustic muffler (F) is mounted to a discharge tube (10) of the compressor and comprises a tubular body (20) which is internally divided, by a dividing wall (23): in a first chamber (C1) connected, by a first discharge tube portion (...
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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...
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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...
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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 ...
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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 ...
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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...
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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...
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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 ...
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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) ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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, ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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). ...
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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...
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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...
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