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JP2020002782A |
To provide a valve manufacturing method for a valve device capable of manufacturing a valve in a simple structure at low cost.The present invention relates to a valve manufacturing method for a valve device 10 comprising: a valve body 20...
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JP2020002786A |
To provide a noise eliminator capable of expanding a rotation area of which sound can be eliminated to a middle rotation area.A noise eliminator 10 provided with first to third noise eliminating chambers 17 to 19 comprises an inlet pipe ...
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JP6626530B2 |
A muffler (1) for an engine includes a muffler body (10), at least one partition wall (15), and at least one reinforcing plate (50). The muffler body (10) has an inner space (K) formed by a shell (11/12). The partition wall (15) includes...
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JP6625118B2 |
Provided acoustic devices include an external housing defining an expansion chamber and a wall extending through and partitioning the expansion chamber into a central chamber and a peripheral chamber adjacent the central chamber, wherein...
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JP6612969B2 |
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JP2019203453A |
To achieve reduction of vibration of a machine body including an engine 1 and an exhaust muffler 3.An engine 1 and an exhaust muffler 3 are disposed opposing each other in a direction of an output shaft of the engine 1. A low rigidity pa...
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JP2019203457A |
To reduce suction noise without adding a new component.A controller executes control processing comprising: acquiring a vehicle speed V (S100); obtaining an engine speed, a crank angle and a fuel injection amount (S104) when an engine is...
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JP2019203438A |
To efficiently discharge an exhaust gas.A muffler 1 includes: an inside pipe 2 having an opening part 25 in a lateral part and accelerating a flow velocity of an exhaust gas flowing out from an exhaust system pipe; and an outside pipe 3 ...
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JP6610414B2 |
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JP6612706B2 |
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JP2019190277A |
To provide a silencer capable of improving material yield and aerodynamic performance of a vehicle, and excellent in layout property for a vehicle mounted with a battery.In a silencer 1 in which a flat bottom surface, a surface having a ...
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JP2019183651A |
To provide a vibration reduction system which can reduce vibration transmitted from a compressor toward an attached body of the compressor.A vibration reduction system comprises a compressor 10, a leg part 11 for fixing the compressor 10...
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JP2019183798A |
To disclose an exhaust emission control device of an internal combustion engine which can avoid that the back pressure of a catalyst upstream side is largely raised due to the coagulation and adhesion of a manganese oxygen contained in e...
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JP6596394B2 |
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JP6594969B2 |
An exhaust-gas aftertreatment device (10) for an internal combustion engine, particularly for a marine diesel internal combustion engine operated using heavy fuel oil, includes a housing (11); an exhaust-gas chamber (12) defined by the h...
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JP2019163754A |
To provide an internal combustion engine exhaust device in which noise of an exhaust pipe due to pressure pulsation of exhaust gas can be reduced without substantially changing structure of the exhaust pipe.There is provided an exhaust d...
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JP2019156121A |
To provide a fuel cell vehicle which contributes to quietness in the vehicle.A fuel cell vehicle 1 includes: a fuel cell 6; a pipe 5 for discharging exhaust gas and discharge water of the fuel cell 6; a hydrogen tank 3; and a cover membe...
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JP6578190B2 |
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JP2019143478A |
To provide a noise suppressor capable of sufficiently reducing noise including several frequencies and also attaining a saving in space as well as facilitating adjustment of frequency that is desired to be depressed in sound and also res...
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JP2019523361A |
In a silencer for a single-cylinder diesel engine with a built-in oxidation catalyst, the silencer is connected to the cylinder head of the engine and the silencer housing is divided into two chambers, an inflow chamber and an outflow ch...
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JP6558984B2 |
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JP6561223B1 |
To reduce air pollution and save fuel against price increase due to an increase in fuel consumption of a vehicle. It rectifies eddy and eddy currents generated at the bottom of the vehicle body when the vehicle is running, and reduces ru...
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JP6557372B1 |
To provide a silencer unit which is smaller than that in which two silencers are arranged in parallel. A silencer unit 26 has an inner cylinder 41 connected to a first exhaust pipe 36, a first outlet pipe 42 connected to a downstream end...
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JP6557712B2 |
A muffler, connected to an engine through an exhaust pipe, includes a shell serving as a muffler body, an inlet pipe configured to introduce exhaust gas from the engine into the shell, an outlet pipe configured to discharge the exhaust g...
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JP2019127839A |
To provide a saddle ride type vehicle having a silencer arranged between an engine and a rear wheel to enable environmental noise caused by exhaust to be reduced and a small-sized formation of the silencer to be realized.A silencer 20 co...
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JP2019127723A |
To facilitate the reduction in air blow noise generated from an air passing through a blowing pipe.A silencer 40 connected to an air blow pipe 30 of an air blow work machine 10 is provided with a silencer pipe 41 connected to the air blo...
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JP6551442B2 |
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JP6552626B2 |
Provided is a saddled vehicle (11) comprising an engine (32) that includes a crank case (33), a cylinder block (36) and a cylinder head (37), and that is mounted on a vehicle body frame (21) in a posture in which a cylinder axis (CX) is ...
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JP6545216B2 |
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JP6540428B2 |
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JP2019108816A |
To provide an engine work machine capable of effectively lowering an exhaust gas temperature at the point of time when a high-temperature exhaust gas is discharged to outside a cover member with simple constitution.An engine work machine...
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JP2019105245A |
To arrange a resonator without hindering movement of a rider's foot.A motor cycle (1) includes: an engine (3) supported by a vehicle body frame (2); an exhaust pipe (4) connected to an exhaust port (34) of the engine; and an exhaust reso...
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JP6528827B2 |
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JP6530666B2 |
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JP6524700B2 |
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JP6524133B2 |
The present invention aims to provide a sound-absorbing material having sound absorption performance with an average sound absorption coefficient of 0.65 or more in the frequency domain of 800 to 2000 Hz. The present invention relates to...
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JP6522994B2 |
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JP6522978B2 |
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JP6518537B2 |
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JP2019074051A |
To provide an exhaust gas suction flow power device to which appropriate parameters are set in such a manner that optimal achievement can be obtained as an exhaust gas suction flow power device that is connectable to various apparatuses ...
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JP2019070379A |
To provide an accelerator for exhaust gas flow capable of being appropriately mounted to various kinds of equipment including an internal combustion engine, and having flexibility or elasticity.An accelerator 10 is installed at a termina...
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JP2019070378A |
To provide an accelerator for exhaust gas flow capable of being appropriately mounted to various kinds of equipment including an internal combustion engine, and having flexibility or elasticity.An accelerator 10 is installed at a termina...
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JP6504844B2 |
[Object] To enhance an intake-noise reducing effect by greatly securing an axial amplitude of an elastic member 14 for intake-air pulsation. [Solution] An intake noise reducing apparatus connected to an intake system of an internal combu...
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JP2019056310A |
To provide a tail pipe capable of reducing vehicle exhaust sounds without increasing an outer diameter of the whole pipe.A tail pipe is composed of a double pipe of an outer pipe (1) and an inner pipe (2), and between an outer periphery ...
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JP6494025B2 |
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JP6493833B2 |
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JP6495567B1 |
This is a glass fiber filling method for a silencer that fills the internal space between the case and the inner pipe with glass fiber in a silencer in which a perforated inner pipe is passed through a pair of through holes in the case. ...
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JP2019508683A |
To provide a more accurate and consistent technique for determining the degree of structuring of a fiber material. A method for quantifying the degree of structuring of a fiber material, wherein a predetermined amount of the fiber materi...
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JP6491224B2 |
Disclosed is an exhaust-gas after-treatment device for an internal combustion engine, in particular for a ship's diesel internal combustion engine that is operated with heavy oil, including: a housing through which exhaust gas flows; exh...
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JP6491362B2 |
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