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JP2017150426A |
To enhance intake air charging efficiency and increase the output of an internal combustion engine by smoothly introducing intake air into each branch pipe.A surge tank 32 has a tank internal space 44. Plural branch pipes 34 are provided...
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JP6187510B2 |
To activate a catalyst earlier.An exhaust system 30 has a plurality of independent exhaust passages 31 connected to respective exhaust ports 7, an exhaust collection part 35 provided on the downstream sides of the independent exhaust pas...
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JP6179189B2 |
To provide a variable intake device in which hermetic sealability when bringing an intake passage into a closed state can be improved.An intake manifold (the variable intake device) 100 includes an intake control valve 6 including a valv...
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JP6179811B2 |
To provide an inline four-cylinder engine capable of improving exhaust efficiency.In an inline four-cylinder engine including exhaust valves opening/closing the exhaust ports of cylinders which are continuously ignited, between a first c...
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JP2017110617A |
To provide an exhaust device of an engine which can suppress the deterioration of a catalyst in a high-rotation/high-load operation region while activating the exhaust gas purification catalyst in a low-rotation/low-load operation region...
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JP6137216B2 |
To provide an intake device of an engine which can obtain high inertia effects in both a first rotation number range of the engine and a second rotation number range which is higher than the first rotation number range in speed, and can ...
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JP6123362B2 |
To provide an intake system capable of assuring accuracy of dimension near a seal part by a valve body while arranging a funnel structure.An intake system 100 comprises: an intake system main body 101 having a surge tank 1 and a pluralit...
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JP2017078397A |
To provide a resonance muffler that has a simple configuration and can obtain both of sound-muffling performance and output performance of an internal combustion engine.A resonance muffler 7 includes: a housing member 11 having a resonan...
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JP6122197B1 |
[Subject] In order to aim at improvement in exhaust air efficiency of a thermomotor and burning appliances, a device which aims at reduction of fuel is provided by accelerating exhaust air speed and promoting exhaust air. [Means for Solu...
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JP6107370B2 |
To provide an intake system capable of inhibiting pressure loss at a confluent part between a short port and a long port.An intake system 100 includes: an intake port 2; a valve 31 that contains a closing part 34 for closing an opening 2...
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JP6102874B2 |
To provide an exhaust device of a multi-cylinder engine which can enhance engine torque while reducing the size and weight of an exhaust system component.A nozzle part 64 in which a nozzle part internal passage 64a is formed independentl...
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JP6102884B2 |
An intake system of an engine includes an engine and an intake manifold. The intake manifold defines individual intake air passageways each connecting one of cylinders to a volume chamber. Each of the individual intake passageways includ...
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JP6069154B2 |
To provide an intake device for a small vehicle capable of protecting from a scattering object such as a flying stone, and capable of preventing interference with a peripheral component.An intake device 67 of a motorcycle 10 includes a p...
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JP6074098B1 |
[Subject] Promotion of exhaust air by a problem of air pollution and saving of fuel to a price boost accompanying fuel consumption increase of a thermomotor, and exhaust air use of a thermomotor. [Means for Solution] Exhaust air which pe...
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JP2016217198A |
To provide an intake device which can sufficiently seal a clearance between an inner wall face of an intake port and a valve body by a seal part even if the valve body is displaced from a correct position.This intake device 100 comprises...
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JP2016217217A |
To restrict exhaust interference in a V type 8-cylinder engine by a simple configuration.Ignition interval among eight cylinders is 90 degrees. Ignition interval among four cylinders in a first bank is not equal. Ignition interval among ...
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JP6034520B1 |
[Subject] post-installation is directly possible to the existing equipment regardless of internal combustion and an external-combustion engine -- small size cheapness, manufacture ease, and attachment -- provide an easy exhaust air accel...
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JP6036211B2 |
To provide an intake control valve capable of inhibiting a decrease in intake efficiency from being caused by leakage of intake air between adjacent intake ports.An intake control valve 3 includes: a valve body 32 that is provided in eac...
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JP6003692B2 |
In this air intake apparatus, a plurality of respective air intake ports include sealing surfaces that include inner wall surfaces with which valve bodies come into contact at the closed positions of the valve bodies, and the rotation an...
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JP2016173035A |
To provide an intake manifold having an actuator for a tube length switching valve, for allowing easy positioning of the actuator relative to the intake manifold and reducing vibration to be imparted.A valve cover 20 is mounted at the cr...
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JP5998503B2 |
An intake and exhaust apparatus of a multi-cylinder engine is provided. The engine is provided with a plurality of cylinders having intake and exhaust valves for opening and closing intake and exhaust ports, respectively. The apparatus i...
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JP5998524B2 |
To provide an exhaust device for multi-cylinder engine in which an exhaust system is structured to obtain scavenging effect exceeding the scavenging effect obtained by an ejector effect alone.A path length from an upstream end to a downs...
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JP2016169702A |
To provide an exhaust muffler structure of a general purpose engine capable of stabilizing the operation of an exhaust control valve.An exhaust muffler structure 20 is divided into first-third chambers 55-57, and the second and third cha...
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JP5995632B2 |
To provide an intake passage of an internal combustion engine capable of achieving both drivability and a torque characteristic.An intake passage 3 of an internal combustion engine comprises: an air cleaner hose 3a which is tubular in sh...
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JP5983530B2 |
To provide an intake system applicable for an internal combustion engine having an intake passage bifurcating for three cylinders and capable of preventing deterioration of the volumetric efficiency without having larger construction.In ...
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JP5983343B2 |
The present air intake control valve includes a valve body and a seal portion being elastically deformable to seal between an inner wall surface of an air intake port and the valve body. The seal portion is formed in a bending configurat...
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JP5978584B2 |
To provide an exhaust system of a multi-cylinder engine, capable of improving volumetric efficiency with a simple configuration, and of increasing engine output.An exhaust manifold 5 has a plurality of independent exhaust passages 52 and...
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JP5966876B2 |
This air intake control valve includes a valve body provided in an air intake port, a rotating shaft rotating together with the valve body, an actuator generating drive force in a linear direction, a link member having an engaging portio...
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JP2016118160A |
To provide an intake air device capable of easily obtaining a resonator bringing a torque increase effect.An intake air device 100 includes: a serge tank 10; a resonance tube 31 communicating with the surge tank 10; a first member 81 and...
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JP5920237B2 |
To provide a control device of a spark ignition type engine capable of improving drop of high load torque in a velocity area in which scavenging efficiency due to a negative pressure wave generated by exhaust pulsation is relatively low....
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JP5919743B2 |
To provide an exhaust control device of a multi-cylinder engine, the device capable of sufficiently exhibiting an ejector effect with simple constitution.The exhaust control device has a plurality of independent exhaust channels connecte...
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JP5910614B2 |
An intake control valve has a body, a valve, and a shaft. The valve has a connecting portion, a first boss located at an end of the connecting portion in the rotation axial direction; and a second boss located at an other end of the conn...
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JP5909938B2 |
To provide an intake and exhaust device for a multi-cylinder engine which can enhance the intake efficiency with a simple structure to improve engine torque and fuel consumption performance.A throttle part 53 interposed between an indepe...
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JP5910034B2 |
An exhaust device includes a plurality of independent exhaust passages connected to an exhaust port of one cylinder or a plurality of cylinders that are non-sequential in exhaust order, and a mixing pipe into which exhaust that has passe...
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JP5905982B1 |
[Subject] post-installation is directly possible to the existing equipment of a thermomotor -- small size cheapness, manufacture ease, and attachment -- an exhaust air acceleration device which cuts down easy fuel consumption is provided...
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JP5905410B2 |
To provide an engine intake pipe in which a shaft rotation torque can be improved and a reaction speed to variation of an output adjust mechanism can be improved.An engine intake pipe 1 is provided in an intake system of an engine, and h...
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JP2016053348A |
To provide an exhaust pipe valve system of an internal combustion engine attaining excellent control performance to an exhaust system while simplifying a constitution.An exhaust pipe valve system of an internal combustion engine includes...
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JP5895577B2 |
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JP5891943B2 |
To provide an exhaust device of a multi-cylinder engine constituted such that the differences of torques among cylinders are suppressed while making exhausting passages short as much as possible.An exhaust device has a plurality of exhau...
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JP5890575B1 |
To provide an exhaust promotion device which reduces the exhaust resistance of a heat engine, promotes exhaust by cooling and has a muffling effect, and improves output and fuel efficiency. Both ends of an outer cylinder 1 are opened to ...
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JP5880258B2 |
A multi-cylinder gasoline engine is provided. The engine includes an engine body having a plurality of cylinders, an exhaust manifold through which exhaust gas discharged from each of the cylinders of the engine body passes, and a contro...
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JP5880259B2 |
To secure an appropriate amount of fresh air while ensuring ignition performance when CI combustion is performed in a low-load area, and to prevent abnormal combustion when Si combustion is performed in high-load area.An exhaust manifold...
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JP5870488B2 |
A multi-cylinder engine intake and exhaust having a plurality of independent exhaust passages each connected to an exhaust port in a respective one of a plurality of cylinders, a collecting pipe connected to downstream ends of the plural...
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JP5858013B2 |
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JP5844271B2 |
A two-stroke, internal combustion engine which includes at least one set of paired first and second cylinders. The engine includes an air or air/fuel mixture inlet conduit bifurcated into inlet passages extending to respective first and ...
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JP5837759B2 |
The method involves supplying fresh air from a fresh air plant (4) to cylinders (3) of a piston engine (1) to drive off exhaust gas of the cylinder by an exhaust system (5). A loading of the respective cylinder with fresh air is supporte...
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JP5818182B1 |
To provide an exhaust promotion device which can be directly retrofitted to an existing facility of a combustion engine and a combustion device, is compact and inexpensive, is easy to manufacture, and is easy to install. An exhaust outer...
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JP5794046B2 |
To provide a multi-cylinder engine capable of controlling the residual amount of high-temperature exhaust air in a cylinder to be small in a low-speed high-load range while leaving a large amount of high-temperature exhaust air in the cy...
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JP5794045B2 |
To provide a multi-cylinder engine capable of controlling the residual amount of high-temperature exhaust air in a cylinder to be small in a low-speed high-load range while leaving a large amount of high-temperature exhaust air in the cy...
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JP2015166574A |
To provide a variable intake device for an internal combustion engine, in which a troubleshooting is performed without adding any new part and in which the internal combustion engine is prevented from any trouble at a failure determinati...
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