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JP5713241B2 |
To provide an internal combustion engine capable of efficiently suppressing generation of knocking caused by residual gas of a combustion chamber in an exhaust stroke.This internal combustion engine (1) discharges combustion gas generate...
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JP5711018B2 |
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JP2015081527A |
To provide a heat insulation layer that has high heat insulation performance, can prevent fuel penetration, can maintain high heat insulation performance for a long term, and can improve heat efficiency of an engine.A heat insulation lay...
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JP5704360B2 |
In a semi-direct injection engine for injecting fuel from a fuel injection valve arranged in an intake port, toward a combustion chamber while an intake valve is open, a piston 30 has first and second cavities 32 and 33 formed in a top s...
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JP2015075094A |
To solve energy-saving and low-pollution problems of an internal combustion engine by an injection fuel technique and an air flow supply technique.In an internal combustion engine combustion method and a nozzle technique, a diameter of a...
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JP2015071984A |
To provide a technology capable of: establishing a control index for appropriate combustion timing, the index indicating a variation in cycle variability; and positively and sufficiently achieving restriction over cycle variation under c...
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JP5702129B2 |
To provide a combustion chamber structure for an engine and a cylinder head structure by which generation of a tumble flow in a combustion chamber having a pent roof type combustion chamber ceiling part is improved, filling efficiency is...
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JP2015063942A |
To prevent generation of soot and deterioration of an exhaust gas performance by restraining fuel from being adhered to a bottom face of a cavity even when the fuel is injected to the cavity at a piston top face.A fuel injection valve 12...
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JP5696351B2 |
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JP5697697B2 |
To provide a control device of an internal combustion engine which can suppress adhesion of a fuel spray to an air intake valve on the side of an air intake flow-rate adjusting mechanism without attenuating a swirl flow.A control device ...
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JP5692462B2 |
The axial line of an intake valve is inclined, and a gap between a piston crown surface and a valve head of the intake valve expands in accordance with the approach of the crankshaft axis. A relationship of G2>G1 is fulfilled, where G1 s...
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JP2015057543A |
To solve the problem that it is necessary to grasp the current combustion state in a period of ignition in a cylinder during HCCI, especially in HCCI in detail, that it is necessary to speedily reflect a fuel injection amount, an EGR sup...
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JP2015048793A |
To reduce heat loss in an internal combustion engine, more specifically, provide a new heat loss reduction technique which achieves high reliability and durability.An internal combustion engine 1 includes: a cylinder head 5 where a combu...
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JP5681902B2 |
Disclosed is an internal combustion engine control device (30) which switches between a first operation of compression-igniting a premixed gas in a combustion chamber (10) and a second operation of forcibly igniting the premixed gas thro...
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JP2015040482A |
To provide a plating film, in which the thermal conductivity in a direction substantially perpendicular to the thickness direction of a plating film is higher than the thermal conductivity in the thickness direction of the plating film.A...
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JP5677221B2 |
To provide a control device for an internal combustion engine to stabilize a compression self-ignition combustion.The control device includes: a combustion degree detecting means for detecting the combustion degree of the HCCI combustion...
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JP5675366B2 |
A piston for an internal combustion engine, for example a diesel engine, including a body delimited laterally by a skirt and configured to collaborate with walls of a cylinder of axis of revolution C in which the piston can slide along t...
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JP5673160B2 |
To provide an internal combustion engine that is superior in both adiabaticity and anti-knocking property, and to provide a method for manufacturing the same.In the internal combustion engine 10, a combustion chamber NS is formed of a bo...
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JP5671810B2 |
To provide a structure of a combustion chamber of an internal combustion engine in which the formation of an excessively rich area of fuel is suppressed by preventing the mist of fuel which is injected from an injector toward a cavity fr...
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JP5671809B2 |
To provide a structure of a combustion chamber of an internal combustion engine in which the formation of an excessively rich area of fuel is suppressed by preventing the mist of fuel which is injected from an injector toward a cavity fr...
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JP5667478B2 |
To improve reduction effect of CO and unburned HC at low-load operation, and to improve reduction effect of black smoke at high-load operation.In a lip part of a cavity part 22, a stepped part 30 comprising steps by being depressed downw...
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JP5664349B2 |
To achieve both a fluid flow suitable for stratified charge combustion and a fluid flow suitable for homogeneous combustion in an in-cylinder injection internal combustion engine.The internal combustion engine 10 includes: a fuel injecti...
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JP2015021473A |
To improve combustion efficiency by suppressing a change of a tumble flow generated at an intake stroke to a horizontal eddy in a compression stroke, in an engine 1 in which two intake valve 7 and two exhaust valves 8 are arranged per cy...
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JP2015021389A |
To provide a fuel injection control device for stabilizing combustion while suppressing the occurrence of smoke.The fuel injection control device for a spark ignition type direct-injection engine 1 having an ignition plug 36 arranged at ...
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JP2015017509A |
To make a combustion speed in a combustion chamber of an internal combustion engine almost uniform.An internal combustion engine comprises at least one exhaust valve 6 provided on one cylinder, plural suction valves 5, and a piston 10 ho...
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JP5655813B2 |
To provide an internal combustion engine having superior heat-resistance and heat-insulation, low heat conductivity and low heat volume, and a method for manufacturing the internal combustion engine by which a heat-shielding membrane can...
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JP2015010500A |
To improve fuel economy and exhaust emission.An engine 10 is a cylinder injection engine, and includes an injector 21 for directly injecting fuel into a combustion chamber 23, and a variable valve train 31A varying opening and closing ti...
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JP2015010543A |
To provide a cylinder head having improved performance for mixing and vaporizing fuel direct-injected into a combustion chamber.In a cylinder head 3, two intake ports 6 and one injector 15 are provided corresponding to one cylinder bore ...
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JP5652197B2 |
To provide an internal combustion engine in which production of soot can be suppressed, which is caused by luminous flame produced by peeling of deposited fuel.In the internal combustion engine carrying out a fuel injection in first timi...
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JP5652170B2 |
To provide a structure of a combustion chamber of an engine, which is not greatly changed in a shape of the combustion chamber with which a fuel spray contacts even if fuel injection timing is slightly displaced, and which can perform st...
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JP5652466B2 |
A piston of an internal combustion engine, includes an intake-side recess and an exhaust-side recess. At a peripheral edge of at least one recess, of the intake-side recess and the exhaust-side recess, a curvature radius of a cross-secti...
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JP5647588B2 |
To more certainly increase ejection length of flame to attain excellent ignitability.An ignition plug 1 includes: a center electrode 5 which extends in a direction of an axial line CL1; an insulator 2 into which the center electrode 5 is...
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JP5644228B2 |
To enhance the combustion efficiency in the combustion chamber in the combustion chamber structure of an engine having a cavity concavedly arranged by offsetting relative to the axial center of the cylinder in the top face of a piston.Th...
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JP5644998B2 |
To provide an engine ignition device capable of stably supplying a mixture from an electrode pair with a short distance between the electrodes to an electrode pair with a long distance between the electrodes using the flow of the mixture...
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JP2014238011A |
To achieve a high-EGR rate by increasing a recirculation amount of an exhaust gas more than before without causing the generation of black smoke and the deterioration of fuel economy.In a combustion chamber structure of a direct injectio...
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JP5640870B2 |
To provide an internal combustion engine control device that can improve a fuel efficiency of the internal combustion engine having a structure that can suppress the occurrence of a cooling loss in a cylinder head by heat insulating the ...
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JP5641169B1 |
The fuel injection nozzle (6) arranged in the center of the reentrant type cavity combustion chamber (5) has a first injection hole group and a second injection hole group having different inclination angles with respect to the cylinder ...
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JP2014234821A |
To achieve ultra-high-efficiency for thermal efficiency by adopting ultra-rapid combustion using a centralized combustion chamber and a multi-point plug, and a mirror cycle, and further to achieve ultra-low NOx by significantly delaying ...
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JP2014234740A |
To provide a compression ignition type internal combustion engine capable of suppressing cooling loss in an inner wall surface of a squish area and capable of suppressing emission of smoke while restraining deterioration of filling effic...
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JP2014227848A |
To provide a combustion chamber structure of an engine which effectively suppresses generation of a high frequency component that affects a tone from an engine.In a combustion chamber structure of an engine, a piston 22 having a bowl par...
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JP2014224495A |
To suppress the interference between fuel sprays caused by an influence of a swirl and the generation of soot, in a direct injection diesel engine having two injection hole groups different in penetration forces.A fuel injection nozzle a...
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JP2014222053A |
To provide a control device of a fuel injection valve capable of facilitating atomization of a fuel.A control device (100) applied to a fuel injection valve (40) having a nozzle body (42) provided with an injection hole (48) for injectin...
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JP2014222067A |
To provide a combustion chamber of an internal combustion engine, which can notably reduce the exhaust emission amount of nitrogen oxides and coarse particulates.A piston 3 has a transverse face part. The transverse face part includes a ...
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JP2014218935A |
To inhibit, concerning an internal combustion engine, adherence of injected fuel to a combustion chamber wall surface without causing complication of the structure, strength poverty of the combustion chamber wall surface and increase of ...
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JP5626153B2 |
The invention relates to an internal combustion engine. For an overturn flow (9) generated in a direct spraying type internal combustion engine and when carrying out an intake stroke reservation, an angle formed between an imaginary eddy...
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JP5629463B2 |
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JP2014214609A |
To provide a combustion chamber structure capable of sufficiently obtaining a breaking function of gas flow due to a combustion chamber.In a spark ignition type internal combustion engine, a spark plug is arranged at a center of a pent-r...
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JP2014214674A |
To provide an engine capable of preventing a low thermal conductivity member from coming off without using an adhesive.In a direct injection engine having an injector (12) injecting fuel toward a piston crown surface (22) facing a combus...
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JP5621632B2 |
To solve various problems that is caused by a wet piston.A control device of an internal combustion engine 1 includes an in-cylinder injection valve 4 for directly injecting fuel in a cylinder 2. The device includes: a control means 30 f...
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JP2014208981A |
To provide a deposit adhesion suppression structure of an internal combustion engine, capable of suppressing adhesion of deposit on a wall face of a combustion chamber and a surface of a portion, contacting intake air, of an intake syste...
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