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WO/2014/181596A1 |
A soundproof cover (30) is equipped with: multiple unit soundproof covers (31R, 31L) forming a portion of the circumferential cross section (30s); and connecting parts (35) provided on the periphery of the circumferential cross section (...
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WO/2014/171380A1 |
Provided is a muffler cutter having excellent heat-insulating and sound-damping properties, and capable of improving the quality of the exhaust sound. This muffler cutter (1), which is mounted on a tail pipe in a vehicle exhaust system, ...
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WO/2014/164289A1 |
A muffler for a motor vehicle has a muffler housing with a packing void into which an envelope containing a loose fill material is installed during assembly. The envelope contains elongated strands of continuous strand fiberglass, woven ...
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WO/2014/162578A1 |
[Problem] To reduce the labor involved in attaching a protector, and to enable the protector to be attached securely. [Solution] A muffler main body (2) is configured with a cylindrical body (21) housing a sound-muffling mechanism, and w...
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WO/2014/141791A1 |
Provided are a gas turbine silencer for avoiding the formation of gaps between an upstream silencer panel and a downstream silencer panel and suppressing the occurrence of secondary noise, and a gas turbine provided with this silencer. A...
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WO/2014/141778A1 |
An exhaust pipe for forming an exhaust flow channel, provided with: a first flow channel member for forming part of the exhaust flow channel; and a second flow channel member connected in series with the first flow channel member, for fo...
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WO/2014/126548A1 |
A vehicle exhaust system includes an exhaust component having an outer surface and an inner surface that defines an internal exhaust component cavity. At least one bleed hole is formed in the exhaust component to reduce a resonance frequ...
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WO/2014/109192A1 |
A muffler comprises a double pipe section formed by inserting an end of a first pipe-like member (10) into a second pipe-like member (20) from an end thereof. The front end section (23) of the second pipe-like member is joined to the out...
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WO/2014/109389A1 |
A method for installing an inlet pipe in a muffler which is provided with an outer shell, the inlet pipe, and separation plates, wherein the method comprises: a first step for inserting the inlet pipe into the outer shell from one of the...
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WO/2014/076355A1 |
Invention relates to an exhaust gas noise attenuator unit (10), the attenuator unit comprising exhaust gas inlet and an exhaust gas outlet (16) arranged in flow connection with each other via a duct section (18) between them; at least tw...
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WO/2014/062943A1 |
A low-emission binder composition is provided for use in a glass fiber muffler preform. The low-emission binder composition comprises a predominantly inorganic material and an optional cross-linking agent. The low-emission binder composi...
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WO/2014/059504A1 |
The present invention refers to an expansion chamber for alternative compressor discharge lines preferably used in refrigeration systems. Said expansion chamber comprises at least two volumes (1, 2) separated from each other by at least ...
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WO/2014/051937A1 |
A compressor assembly for an intake system includes: a monolithic housing; a first resonator section formed in the monolithic housing, the first resonator section defining two or more volumes configured to attenuate noise associated with...
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WO/2014/052701A1 |
A modal attenuator may include an attenuator body (12) having a lead-in segment (26) and a lead-out segment (28) joined by a connection segment (30), a perforated screen (32) disposed within the attenuator body and spaced apart from the ...
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WO/2014/044698A1 |
The invention relates to a bag (1) for insertion into a cavity of a silencer, which cavity is intended for sound damping or absorption, having a cover (2) which is closed on all sides and having a sound-damping or sound-absorbing filling...
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WO/2014/044950A1 |
The invention relates to a noise attenuation device (102) for a booster circuit of a turbocharged internal combustion engine (12) comprising a part (104) designed to form a heat screen around at least a portion of the turbocompressor (14...
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WO/2014/040745A1 |
The invention relates to an exhaust-gas system (1) of an internal combustion engine having an exhaust-gas line (2) which conducts exhaust gas and is assigned an active silencer (3) which has at least one loudspeaker (5), the diaphragm (9...
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WO/2014/006650A1 |
An indoor unit (50) is formed by providing air blowers (4) on the upstream side of heat exchangers (5) and comprises partition plates (20) for separating each set composed of both an air blower (4) and a heat exchanger (5) from each othe...
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WO/2013/183772A1 |
Provided is a muffler characterized by being equipped with: an outer shell; an outlet pipe, which is formed in the shape of a tube having a pair of open end parts, and has an inflow port, with one of the pair of open end parts and the in...
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WO/2013/177839A1 |
A catalytic muffler capable of reducing the temperature of an exhaust gas, comprising a muffler and a housing surrounding the muffler. The muffler is provided with an exhaust opening. The housing is provided at the front end thereof with...
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WO/2013/175404A2 |
Disclosed are methods, devices, apparatus, assemblies and systems for generating and directing acoustic energy (e.g. sound). According to some embodiments, there may be provided a cyclical acoustic apparatus or generator comprising a cyc...
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WO/2013/171368A1 |
The invention relates to a method and apparatus for attenuating sound of exhaust gases of an engine, the method comprising leading the exhaust gases of the engine through an inlet duct (2) to a sound attenuation space separated from the ...
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WO/2013/169490A1 |
An adaptive valve assembly includes a pipe defining a passageway for conducting engine exhaust gases, a pivot shaft supported by the pipe, and a valve body coupled to the pivot shaft. The valve body is moveable between an open position w...
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WO/2013/162565A1 |
A reductant storage and dosing system which uses at least one canister containing a supply of reductant to supply, via a delivery line, an exhaust gas after-treatment system having an injector is disclosed. A controller may be used to me...
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WO/2013/152793A1 |
The invention relates to a reflection silencer for a turbocompressor. The reflection silencer (1) has a tubular or (circularly) annular reflection body (10), through which a flow medium (2) flows axially (5) in a flow direction (3). In t...
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WO/2013/149912A1 |
The invention relates to a muffler (1) for an exhaust gas system of an internal combustion engine, comprising a muffler housing (1.2) having a housing wall (1.1), at least one inlet pipe (2) fed through the housing wall (1.1), and at lea...
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WO/2013/149725A1 |
The invention relates to a muffler for an exhaust gas system (2) of a motor vehicle driven by an internal combustion engine, wherein the muffler forms part of an underbody of the motor vehicle. The invention further relates to a motor ve...
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WO/2013/141233A1 |
The phenomenon of resonance in a catalyst converter due to exhaust gas flow is reduced without causing problems with vehicle layout, problems with manufacturing (high costs), or adverse effects on other facets of performance. An internal...
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WO/2013/125764A1 |
The present invention relates to a tail pipe structure for a muffler, in which the tail pipe structure occupies less space in the muffler and extends an exhaust gas discharge path. The tail pipe structure for a muffler according to the p...
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WO/2013/125572A1 |
In the present invention, a valve device comprises the following: a butterfly and a first link member supported by a stay so that each are rotatable and movable about a first rotation axis line and a second rotation axis line; a second l...
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WO/2013/115434A1 |
The present invention relates to a valve device for a muffler and, more particularly, to a valve device for a muffler consisting of a structure inserted into a pipe for a muffler in order to open and close the passage. The valve device f...
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WO/2013/104689A1 |
The invention relates to a muffler arrangement for exhaust systems. The muffler arrangement has a muffler and a control device (5). The muffler comprises an exhaust gas flow pipe which has at least one exhaust gas inlet opening and at le...
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WO/2013/089010A1 |
An air intake device for an internal combustion engine equipped with a Helmholtz resonance chamber for deadening sound. The air intake device is equipped with: an inlet pipe (2), one end of which is connected to an air intake pipe (1); a...
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WO/2013/083739A1 |
The invention relates to a silencer arrangement for exhaust systems of motor vehicles with internal combustion engines. The silencer arrangement comprises at least one rear exhaust silencer (16, 17) having at least one exhaust pipe (18, ...
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WO/2013/069851A1 |
The present invention pertains to a device for the pressure calibration of exhaust gas and torque output, wherein the fluctuation pressure of exhaust gas which is discharged via an exhaust device is calibrated for increasing the torque o...
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WO/2013/065798A1 |
An exhaust pipe structure (15) for a hybrid car (1) having an internal combustion engine (10), a drive cell pack (41) disposed under the floor of a vehicle body (17), and an exhaust pipe (71) connected to the internal combustion engine (...
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WO/2013/057105A1 |
A refrigeration appliance, in particular a household refrigeration appliance, comprises a refrigerant circuit (6, 7) in which a refrigerant circulates under the effect of a compressor (5), while a Helmholtz resonator (8) is arranged so a...
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WO/2013/035566A1 |
An exhaust silencing device is connected to an exhaust system of an engine. Two outlet pipes (11, 12) which respectively have openings (11o, 12o) open into a silencer body (1) at an upstream end and discharge exhaust gas in the silencer ...
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WO/2013/014771A1 |
A muffler (1) having a flat cross-sectional shape which causes the width (W) of the muffler (1) to be greater than the height (H) thereof is provided with: expansion chambers (4-6) therein; and an inlet pipe (7), an outlet pipe (8), and ...
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WO/2013/011665A1 |
This construction machine is provided with: an engine room provided with an intake opening and a discharge opening; a fan for sucking cooling air into the engine room through the intake opening; a duct provided in a manner so as to inter...
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WO/2013/011666A1 |
This construction machine is provided with a lower driving body and an upper turning body mounted turnably onto the lower driving body. The upper turning body has: an engine room provided with an intake opening for introducing air for co...
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WO/2013/004769A1 |
The exhaust gas purification assembly (1) comprises: - an upstream duct and a downstream duct which run parallel to one another; - a volume having an exhaust gas inlet (13) communicating with the upstream duct and an exhaust gas outlet (...
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WO/2012/176940A1 |
To provide an engine working machine which is capable of reducing an exhaust sound while maintaining a compact size and a sufficient engine output and is also capable of reducing a vibration sound generated by a vibration of a wall surfa...
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WO/2012/177669A1 |
A muffler (1) comprises a polymeric housing (3) and a support bracket (16) for mounting the muffler on a vehicle. The support bracket (16) is made of a polymer composite material comprising a polymer and fibres and is integrally formed w...
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WO/2012/168039A1 |
The invention relates to a silencer (1) for an exhaust gas installation of an internal combustion engine, particularly of a motor vehicle. Said silencer comprises a housing (2), with a circumferential shell (3) closed in the peripheral d...
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WO/2012/150896A1 |
Device for damping of sounds which comprises a casing (11 ) intended to be placed round one or more sou nd-generating equipment items, and a sound-damping panel (20) via which air is allowed to flow out from the casing. The sound-damping...
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WO/2012/149537A1 |
A muffler assembly including one or more exhaust pipe(s), one or more mounting adapter(s) attached to the one or more exhaust pipe(s), a polymeric housing carried by one or more mounting adapter(s), a thermal insulating layer lining the ...
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WO/2012/149530A1 |
A muffler assembly (1) including one or more exhaust pipe(s) (2), a polymeric housing (4) carried by at least one of the exhaust pipe(s) (2); a thermal insulating layer (6) lining the housing interior surface and extending between the ho...
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WO/2012/149532A2 |
Disclosed is a muffler assembly including: a) polymeric housing having an interior surface and at least one opening for at least one inlet and one outlet exhaust pipe; b) at least one metal inlet exhaust pipe and at least one metal outle...
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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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