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JP2019044639A |
To provide an exhaust device exerting excellent a muffler function.An exhaust device 10 has a muffler 12 whose inside is partitioned into a plural chambers by separators 11; an inlet pipe 13 which connects an exhaust pipe 6 of and engine...
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JP2019044592A |
To provide a method for manufacturing a muffler, by which a noise reduction material can be easily and almost uniformly filled with a high bulk density in a gap portion formed between a gas flow passage forming member and an outer shell ...
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JP2019039406A |
To provide a saddle-riding type vehicle which avoids enlargement of a silencer in which a catalyst is housed, and can inhibit temperature rise of a sensor for detecting a state of exhaust gas that has passed through the catalyst.A saddle...
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JP2019039954A |
To provide a noise reduction device and a construction machine, which can reduce noise from a low frequency band to a high frequency band with a simple structure.In a noise reduction device 3, noise absorbers 9 are disposed at an inner w...
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JP6483600B2 |
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JP6483469B2 |
A muffler, characterized in being provided with: an outer shell member having an inlet and an outlet; an exhaust passage for guiding exhaust gas entering through the inlet to the outlet, the exhaust passage being formed from a plurality ...
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JP6480741B2 |
A sound deadening device has an introducing and damping section. The introducing and damping section includes an introduction section that introduces fluid, an expansion chamber, and a lead-out section. The expansion chamber is communica...
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JP6478689B2 |
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JP6474924B2 |
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JP6468445B2 |
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JP6465695B2 |
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JP2019015226A |
To provide a valve device which enables increase of an opening of a valve body and reduction of back pressure when an exhaust gas flows at a high flow rate.A valve device 10 includes: a valve body 20 which is installed at an exhaust pass...
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JP2019015279A |
To improve flexibility of shape setting of a pipeline connecting a muffler body located at the side where an exhaust control valve is not provided with a chamber and make back pressure setting during a low load and contact avoidance etc....
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JP2019015825A |
To more effectively reduce noise compared to a conventional case in a sound insulation device using ANC.A sound insulation structure (19) in a sound insulation device (1) comprises a plurality of glass plates (19I, 19O), and partitions s...
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JP6459072B2 |
Insulation system for thermoacoustic insulation of a component to be insulated, such as an exhaust gas component, comprising a fiber molded part having a surface facing away from the component to be insulated, where the surface facing aw...
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JP6458398B2 |
A silencer assembly for a motorcycle comprises a first silencer which is connected to a downstream end of a vent pipe and a second silencer used for discharging exhaust gasses discharged by the first silencer. The vent pipe is used for d...
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JP6450049B2 |
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JP6450050B2 |
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JP6447110B2 |
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JP6450166B2 |
Provided are a method for determining the disposition position of a spherical joint for coupling exhaust pipes to each other in an exhaust system, and an exhaust system, which enable engine vibrations to be more effectively damped. In th...
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JP6446206B2 |
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JP6437935B2 |
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JP6437889B2 |
A muffler cover is mountable to an engine so as to cover an exhaust muffler of the engine, and includes: a tank facing surface formed so as to face a muffler side surface of a fuel tank of the engine via a gap when mounted to the engine,...
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JP2018189016A |
To prevent damage of an SCR with low resistance to high temperature.A controller 5 is a device for controlling an exhaust emission control system including an exhaust passage 1 in which exhaust gas discharged from an internal combustion ...
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JPWO2017159021A1 |
The exhaust muffler 22 has a cylindrical portion 24 including an inner pipe 25 to which the exhaust pipe 21 is connected and an outer pipe 26 covering the inner pipe 25, and a connecting portion 28 connecting the cylindrical portion 24 a...
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JP6426516B2 |
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JP6426479B2 |
An exhaust-channel valve device according to the present invention is provided with a partition plate, a downstream pipe, a valve body, a casing, and a biasing member. The partition plate partitions an exhaust channel in which exhaust ga...
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JP6426763B2 |
The invention provides a valve gear used for an exhaust flow path. The valve gear comprises a supporting body, a valve element, and a force application component. The valve element is supported by thesupporting body and can rotatably mov...
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JP6423462B2 |
A silencer is mounted on a vehicle, and has a shell component, a separator plate and a first tube. The shell component is part where an outer surface of the silencer is formed. In addition, the separator is a platelike part, and is a par...
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JP6420698B2 |
To provide an exhaust muffler device for a saddle riding type vehicle, where an exhaust pipe supported inside a muffler body in a cantilevered state is slidably supported at its free end, and which prevents the fall-off of a slide holdin...
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JP6420746B2 |
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JPWO2017130660A1 |
Provided are an engine and an engine working machine capable of sufficiently reducing the exhaust gas temperature at the time of being discharged to the outside of the housing. In an engine in which a substantially box-shaped muffler 30 ...
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JP6417201B2 |
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JP6413920B2 |
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JP6416944B2 |
A restraining member is disposed inside a muffler mounted on a vehicle. The restraining member has a wall portion, a mounting portion, and one or more holes. The wall portion separates the suppressionspace from the other space in an open...
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JP6407369B2 |
A muffler includes a shell, baffles, and a plurality of pipes. The shell defines first and second end cavities and a central cavity. The end cavities have larger cross-sectional areas that a cross-sectional area of the central cavity. Th...
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JP2018159289A |
To attain both of a muffling effect and a reduction in a back pressure in a muffler.A muffler (11) includes a hollow body (15), a plurality of expansion chambers (37, 39, 41) formed by partitioning an inside of the body by at least one p...
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JP2018158556A |
To provide a method for producing a porous foamed resin excellent in productivity.A foamed resin is produced by a bead method in which foamable resin particles are filled in a mold having a plurality of protrusions protruding to an insid...
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JP6404701B2 |
To provide a muffling device for a saddle-riding type vehicle, that can prevent deterioration of the degree of freedom in design.A muffling device of a saddle-riding type vehicle is provided in an exhaust passage that leads exhaust gas f...
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JP6392605B2 |
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JP2018141456A |
To suppress the discharge of unpurified harmful substances in a cold state by achieving the high efficiency of a reduction catalyst, saving resources and reducing costs by preventing the flow-in of secondary air to the reduction catalyst...
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JP6389982B1 |
To directly retrofit or replace an existing facility regardless of whether it is an internal combustion engine or an external combustion engine, to save fuel against the problem of air pollution and price increase due to an increase in f...
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JP6385393B2 |
An exhaust muffler for transverse installation in a vehicle includes a muffler housing (26) elongated in the direction of a housing longitudinal axis (G) with a housing jacket (28) and two front walls (30, 32). The two front walls (30, 3...
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JP6383398B2 |
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JP6382725B2 |
A link couples a support body and a valve body in a first arrangement where a first link-forming member is rotationally movably supported by the support body and in which a second link-forming member is rotationally movably supported by ...
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JP6380328B2 |
A vehicle floor lower structure includes: a floor panel configuring a floor of a vehicle and formed with a floor tunnel, that projects out toward a vehicle body upper side and extends along a vehicle body front-rear direction, the floor ...
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JP6378583B2 |
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JP6378643B2 |
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JP6374262B2 |
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JP6373062B2 |
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