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JP6036586B2 |
To provide an internal combustion engine which improves thermal efficiency.An engine 1 comprises: central electrodes 35 installed on a fuel injection valve 25; and wall surface electrodes 262 installed on an inner wall surface 261 of a c...
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JP6036771B2 |
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JP6030473B2 |
To improve ignitability of an ignition plug.An ignition plug has at least a pair of electrodes to generate spark discharge. The ignition plug has a center axis, and is provided with a plug cover having a space at a tip side in the center...
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JP6028955B1 |
[Subject] multipoint ignition in a wide range is possible, and exchange of a multipoint ignition plug is easy -- multipoint ignition engine offer is made. [Means for Solution] Engine 1 is inserted in insertion hole 5 formed in cylinder h...
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JP6028579B2 |
To provide an internal combustion engine for enabling adequate injection of fuel into a combustion chamber by performing fuel injection while considering the flowing behavior of a tumble flow in each of an intake side region and an exhau...
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JP6024258B2 |
To provide an engine that has both high thermal efficiency and high NVH performance by achieving HCCI combustion with less vibration and noise in a wider operation range.An engine comprises: EGR amount adjustment means(22) for adjusting ...
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JP6025873B2 |
A motor vehicle internal combustion engine has at least one combustion chamber delimited by at least one wall of the internal combustion engine, and at least one injector that is associated with the combustion chamber and that is at leas...
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JP2016191342A |
To provide an internal combustion engine which can efficiently mix an injected fuel with air even when an inner diameter of a cylinder bore is small, and which is advantageous in achieving downsizing.An internal combustion engine 10 incl...
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JP2016188624A |
To provide an internal combustion engine that is inhibited in a blow-by phenomenon in an overlap period and is improved in scavenging efficiency.In an internal combustion engine, a valve contact surface, to which the head part of an exha...
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JP6020266B2 |
To provide a gas fuel combustion control system capable of improving combustion efficiency of gas fuel supplied to an internal combustion engine.A fuel injection valve 31 which supplies a combustion chamber 130 of a gas engine 11 with me...
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JP6019831B2 |
To provide an internal combustion engine capable of preventing an excessive fuel dense area caused by that a plurality of fuel spray streams injected from injector to a cavity collide against a wall face of the cavity, then reach to a cy...
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JP6019941B2 |
A uniflow-scavenging-type two-cycle engine (100) of the present invention includes: a cylinder (110); a piston (112) that slides in the cylinder; an exhaust port (116) that is provided at a first end of the cylinder; an exhaust valve (12...
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JP6019594B2 |
To prevent the deposition of urea in an exhaust passage and other reaction products by adjusting a timing when a reducing agent is injected.An NOx removal device 300 includes: an NOx removal catalyst 314 disposed at a cylinder comprising...
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JP6020856B2 |
A combustion chamber structure for an engine, wherein the structure includes a piston formed with a downward dented cavity at a central part of an upper surface thereof, a fuel injector provided above the piston and in an extension line ...
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JP2016186283A |
To provide a diesel engine having a divided chamber type combustion chamber and improved to achieve a satisfactory combustion state and stabilization of combustion and thereby achieving reduction of variation in performance and improveme...
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JP2016186306A |
To provide a method for injecting microwave energy to an existing engine.A microwave spark plug (1) for injecting microwave energy into a combustion space (18) of an engine comprises an elongated housing (2) including an elongated space ...
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JP6015575B2 |
An engine control device (1) for an engine provided with a supercharger (30), including a cylinder injection valve (11), a port injection valve (12), and a variable valve actuating mechanism (40). The device includes an injection control...
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JP6015047B2 |
To maintain an active state of a catalyst in an engine constituted to reduce an exhaust loss.A controller 100 performs lean combustion by injecting fuel via a fuel injecting valve 33 so that G/F is equal to or more than 30 in a low load ...
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JP6015049B2 |
To obtain an internal combustion engine in which a cooling loss is reduced and thermal efficiency is improved, and a method for controlling the same.A method for controlling an internal combustion engine (engine 1) includes a step of spr...
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JP6015549B2 |
To form an excellent heat insulation layer on a wall surface of a component forming a combustion chamber of an engine.A method for forming a heat insulation layer includes a first resin application step (step S2) for forming a first resi...
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JP6014864B2 |
The problem to be solved by the present invention is to reduce the emission of the unburned fuel and to improve fuel efficiency of the internal combustion engine in a spark ignition type internal combustion engine that allows an electric...
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JP6014545B2 |
To provide an intake system of an internal combustion engine that can change stratified distribution of a first gas and a second gas in response to changes of a generating region of emission in a cylinder.A passage 22 in which an EGR lea...
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JP6011174B2 |
To provide an electric spark ignition type direct-injection engine, in which startability at a cold-starting time is improved without inviting any drop of the reliability of a high compression-ratio engine.A controller (PCM10) starts an ...
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JP6010944B2 |
To reduce a cooling loss in a compression self ignition engine.On a lower surface of a cylinder head 13, a head-side recess 13a is formed, with an inner wall inclined downward from the radial center toward the outside. A piston 14 is con...
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JP6008796B2 |
To provide a control device for an internal combustion engine that can secure transition from spark ignition combustion to compression ignition combustion for stable combustion and that can maintain good exhaust characteristics.Fuel for ...
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JP2016180378A |
To improve NOx purification performance in a prescribed time after switching to SI combustion mode from HCCI combustion mode where NOx is hardly generated in an exhaust emission control catalyst device including a three-way catalyst and ...
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JP6006276B2 |
To suppress the knocking of an internal combustion engine by a simple structure.Oblong recesses 11 extending in a peripheral direction are formed at a peripheral edge of a piston 3. The recesses 11a are formed at one point of either of a...
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JP2016176405A |
To make a mixed state of spray in a cylinder more appropriate, concerning an internal combustion engine.An internal combustion engine includes: a cylinder block 20 which forms a cylinder 21; a cylinder head 11 provided on one end side of...
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JP6003770B2 |
To secure combustion stability at a cold start while simplifying a fuel supply system.A spark ignition type engine is driven by an alcohol, gasoline, or a fuel mixture of them. In at least a part of an alcohol concentration range, air in...
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JP6002893B2 |
To effectively improve flame propagation speed utilizing active species in an internal combustion engine 10 that promotes combustion utilizing active species. The internal combustion engine 10 is provided with an internal combustion engi...
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JP6003231B2 |
To provide a compression self-ignition gasoline engine which switches between CI combustion and SI combustion according to an engine operating range, in which introduction of heated intake air into a cylinder when performing the CI combu...
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JP5998746B2 |
To enable sufficient scavenging in a cavity in a central portion on a piston crown surface in an engine in which a compression self-ignition is performed when a geometric compression ratio is 15 or more.A part of a bevel part 1a of an in...
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JP6000129B2 |
An internal combustion engine is operable in an efficiency mode providing a first power output range between zero and a transition power output and in a power mode providing a second power output range between the transition power output...
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JP5998752B2 |
To provide an electric spark ignition direct-injection engine which is enabled to reduce various losses and to improve an exhaust emission performance by making it possible to introduce an EGR gas as much as possible into a cylinder 18 i...
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JP5998705B2 |
To enhance an operation range in which an engine can provide appropriate HCCI combustion with excellent NVH performance.An engine comprises: EGR amount adjustment means 22 for adjusting an amount of EGR gas recirculated into a cylinder 1...
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JP5998751B2 |
A spark-ignition direct injection engine is provided. The engine includes an engine body, a fuel injection valve, a fuel pressure setting mechanism, an ignition plug, and a controller. Within a low engine speed operating range of a prede...
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JP5991251B2 |
To prevent flame or fuel spray of preceding pre-injection from overlapping with the fuel spray of main injection, and as a result, to effectively reduce a generation amount of soot by enhancing utilization rate of air in a combustion cha...
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JP2016164402A |
To provide an internal combustion engine that can improve a balance between strength of a tumble and spray penetration force deteriorated due to changes with time while effectively changing the spray penetration force in terms of recover...
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JP5987734B2 |
To perform ignition reconciling both combustion noise and engine efficiency so as to solve some problems found in a compression ignition engine having a plurality of injectors in a cylinder that reducing the combustion noise in a high lo...
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JP5987450B2 |
In the present invention, when forming a heat shield film resulting from applying a heat insulating coating material or a heat shielding coating material to the wall surface of a combustion chamber, the heat insulating coating material o...
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JP5988287B2 |
To suppress fluctuation of an output torque of an internal combustion engine caused by the presence of a low temperature oxidation reaction, when the engine for causing the low temperature oxidation reaction in a fuel in a mixture in a c...
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JP5985003B1 |
[Subject] Regularity of fuel-air mixture is improved by diffusing injection fuel also to the stem back side of an air intake valve only by changing shape of an air intake valve, without using an air flow layer creating means etc. which s...
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JP5983778B2 |
An internal combustion engine 1 includes a fuel injection valve 6 that injects fuel to a combustion chamber in which a swirl flow is generated. For example, injection holes 611A and 611B are two adjacent injection holes among plural inje...
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JP2016160897A |
To provide an internal combustion engine excellent in both of plug smoldering resistance in homogeneous combustion and ignitability in stratified combustion.An internal combustion engine in which a fuel injection valve including a plural...
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JP2016160820A |
To provide an internal combustion engine and a method for reducing NOx in the internal combustion engine in which an amount occurrence of NOx at a combustion chamber is reduced by devising a shape of the combustion chamber of the interna...
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JP2016156343A |
To suppress the accumulation of deposits at a depth side of a glow hole, in a compression self-ignition type internal combustion engine having a glow/plug-integrated in-cylinder pressure sensor.A first heat block film 40 and a second hea...
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JP5983110B2 |
To provide an internal combustion engine capable of preventing an excessive fuel dense area caused by that a plurality of fuel spray streams F injected from injector to a cavity collide against a wall face of the cavity, then reach to a ...
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JP5983109B2 |
To provide an internal combustion engine capable of preventing an excessive fuel dense area caused by that a plurality of fuel spray streams F injected from injector to a cavity collide against a wall face of the cavity, then reach to a ...
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JP5983196B2 |
A uniflow-scavenging-type two-cycle engine (100) includes: a cylinder (110); a piston (112) that slides in the cylinder; an exhaust port (116) that is provided at a first end of the cylinder; an exhaust valve (120) that opens and closes ...
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JP5976941B2 |
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