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JP6191837B2 |
A control system of an engine is provided. The control system includes an exhaust variable valve mechanism for changing an operation mode of an exhaust valve, a fuel injection controlling module for controlling a fuel injector to inject ...
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JP6191641B2 |
An internal combustion engine includes: a spark plug arranged in the upper wall face of the combustion chamber; an in-cylinder injection valve that, when stratified charge combustion operation is performed, injects fuel into the combusti...
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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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JP6187452B2 |
To provide a combustion chamber structure for a direct-injection engine constructed to form a mixture layer and a heat insulation gas layer in a combustion chamber constructed by a cavity, which inhibits fuel spray injected at a predeter...
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JP6188975B2 |
A large-scale turbo charger two-stroke compression ignition type internal combustion engine with a crossed head comprises a plurality of cylinders each of which comprises a cylinder cover, an exhaust valve and an exhaust pipeline. The cy...
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JP2017145817A |
To achieve rapid combustion by disposing an ignition part of an ignition structure such an ignition plug in a center of a combustion chamber or near the center as much as possible to improve heat efficiency and reduce CO.The internal com...
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JP6183963B2 |
Combustion chamber of a diesel engine, the combustion chamber comprising: a piston having a piston bottom surface and a cylinder head having a cylinder head surface the combustion chamber having a combustion chamber axis, wherein one of ...
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JP2017141834A |
To provide a method and device for operating an internal combustion engine capable of performing dual intake pipe type fuel supply and fuel direct supply.An internal combustion engine calculates, based on distribution of amount, each fue...
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JP6176005B2 |
Provided is an internal combustion engine including a sparkplug disposed in the vicinity of the center portion of an upper wall surface of a combustion chamber. Tumble flow generated during lean burn operation is controlled such that the...
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JP6176276B2 |
To develop good exhaust performance by more accurately activating a catalyst.A control device for an engine includes a plurality of independent exhaust passages 31 extending from respective exhaust ports 7, an exhaust collection part 35 ...
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JP2017133406A |
To provide an internal combustion engine which can suppress a combustion variation between cylinders resulting from a shape error of an intake port.An internal combustion engine is operable at stratification combustion and homogeneous le...
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JP6171956B2 |
To reduce cooling loss on a wall surface of a combustion chamber.An engine 1 comprises: an engine body; an injector 33; and an engine controller 100 controlling an injection mode of the injector 33. The injector 33 is configured to be ab...
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JP6172675B2 |
To provide an internal combustion engine including an endless transmission belt transmitting rotational power from a crankshaft and wound around a driven wheel and a drive gear engaged with a driven gear provided on at least one of a pai...
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JP6171958B2 |
To reduce generation of smoke while suppressing preignition.An engine 1 comprises: an engine body; an injector 33; and an engine controller 100. The engine controller 100 controls the injection 33 to perform front-stage injection 71 perf...
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JP6171959B2 |
A control device of a gasoline direct-injection engine is provided. The control device includes an engine body, an injector, and a controller. Within a high load operating range, the controller causes the injector to perform a pre-inject...
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JP6171957B2 |
To reduce cooling loss on a wall surface of a combustion chamber by a technique other than that for forming the wall surface of the combustion chamber of a heat insulating material.An engine 1 comprises: an engine body including a piston...
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JP6167874B2 |
To increase a period during which self-ignition combustion can be retarded.An engine 1 self-ignites fuel containing at least gasoline injected into a cylinder from an injector 33. The geometric compression ratio of the engine 1 is 15 or ...
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JP2017125439A |
To provide a piston of which low-heat conductive part can be formed of further different material.The piston of an internal combustion engine is provided with a low-heat conductive part including: a plurality of low-heat conductive part ...
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JP2017125471A |
To provide an internal combustion engine capable of increasing a compression ratio while suppressing an S/V ratio, and improving combustion efficiency by forming sufficient tumble flow with sucked air-fuel mixture.In a four-valve type in...
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JP6166168B2 |
A fuel injector injecting a fuel toward a combustion chamber mounted to a gasoline engine is provided with plural injection ports through which the fuel is injected. Each injection port includes an injection-port axial line limiting a po...
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JP6164795B2 |
To provide a piston of an internal combustion engine which can achieve the robust mixing, eventually, the combustion of fuel and air though a configuration is simple and low in cost, is excellent in reliability, can reduce the exhaust am...
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JP2017122428A |
To achieve quick combustion by shortening a combustion period by disposing an ignition portion at a tip portion of a projecting member like an electrode, of an ignition structure like an ignition plug, on a center of a combustion chamber...
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JP2017122427A |
To achieve quick combustion by shortening a combustion period by disposing an ignition portion at a tip portion of a projecting member like an electrode, of an ignition structure like an ignition plug, on a center of a combustion chamber...
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JP6160564B2 |
A diesel engine includes a piston, a cylinder head, and a fuel injector. The fuel injector has a valve body with bored nozzle holes in its tip part. A cavity having a circular shape in plan view is formed in a crown surface of the piston...
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JP6156195B2 |
To reduce the generation of smoke while suppressing preignition.An engine 1 comprises: an engine main body which has a piston 15 arranged in a cylinder 11, and in which a combustion chamber 17 is partitioned by the cylinder 11 and the pi...
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JP2017115586A |
To merge two tumble flows corresponding to two intake ports to each other, and to enhance the miscibility of intake air as a whole, in a four-valve type internal combustion engine.A first recess 13 for promoting the generation of a first...
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JP2017115627A |
To surely segment a tumble flow to a large number of the tumble flows by crushing the tumble flow in a compression stroke while promoting the generation of the tumble flow, in an internal combustion engine which sucks an air-fuel mixture...
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JP6152534B2 |
In an plasma generation device 30 that generates electromagnetic wave plasma by emitting electromagnetic waves to a combustion chamber 21 of an internal combustion engine 20, combustion is promoted by increasing the amount of gas to be b...
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JP6149765B2 |
To reduce after-burning in retard combustion.A control device of an engine 1 includes an engine body having a piston 15 disposed in a cylinder 11 to define a combustion chamber 17 by the cylinder 11 and the piston 15, an injector 33 inje...
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JP6149759B2 |
To provide a direct-injection gasoline engine 1 which effectively utilizes ozone to actualize stable CI combustion.The engine 1 includes an injector 7 for injecting fuel including gasoline into a cylinder 2, an intake port 17, an exhaust...
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JP2017106350A |
To provide an internal combustion engine capable of converting a positive squish flow to be established in a compression stroke, into a positive tumble flow while preventing the increase of the production cost of a piston.In the cylinder...
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JP6146300B2 |
To provide a technique capable of curbing generation of knocking while improving combustion of an internal combustion engine by introducing ozone into a combustion chamber.An internal combustion engine control device comprises: an igniti...
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JP6145760B2 |
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JP6148306B2 |
A fuel valve (50) for injecting gaseous fuel into the combustion chamber of a self-igniting internal combustion engine. The fuel valve (50) comprises an elongated fuel valve housing (52) with a rear end and a front end, a nozzle (54) wit...
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JP2017096210A |
To provide an intake structure for an internal combustion engine capable of generating an intended air flow, such as a tumble flow, in a cylinder by using a simple configuration.An intake structure for an internal combustion engine inclu...
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JP6135587B2 |
To suppress an increase in discharge amount of soot (PM) due to an interference between adjacent spray after colliding a wall surface of a fuel chamber.A fuel spray control device 30 for controlling spray of a fuel, estimates a reaching ...
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JP6139497B2 |
To efficiently cool a high-temperature region of a heat insulation film in an internal combustion engine having the heat insulation film formed on a top surface of a piston.In Step S12, when it is identified that an operating region of a...
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JP6131803B2 |
To provide a control device for a compression ignition type engine which performs compression ignition combustion in a predetermined region, for securing the stability of the compression ignition combustion when switching over a cam for ...
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JP6134700B2 |
A cylinder head (10) for an internal combustion engine, having at least two inlet valves (20) associated with the or each combustion chamber, the inlet valves (20) being supported in the cylinder head (10) with their axes spaced from one...
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JP6130794B2 |
An engine capable of reducing the content of hydrocarbon in exhaust gas is provided. When viewed parallel to cylinder center axes, tangential virtual lines extending from endpoints of curved port central axes along tangent lines of the e...
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JP6123924B2 |
The present teachings provide for an air system for an internal combustion engine (“ICE”). The air system can include a compressor, separation device, first conduit, second conduit and a system for controlling a ratio of gasses that ...
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JP6125533B2 |
An internal combustion engine comprising at least one cylinder and a pair of opposed, reciprocating pistons within the cylinder forming a combustion chamber therebetween. The engine has at least one combustion igniter associated with the...
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JP6123712B2 |
To suitably control an air flow in a combustion chamber with a practicable constitution, and to improve combustion stability.An engine 10 includes a variable valve lift mechanism 36, an air flow control projection 60 projecting from a pe...
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JP6123633B2 |
A control device for a compression ignition engine includes a controller configured to operate an engine body by compression ignition combustion when the engine body operates in a compression ignition range. When the engine body operates...
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JP2017078427A |
To provide rapid combustion of highly diluted stoichiometric fillers with externally cooled EGR and increase energy efficiency over substantially the whole operation range of an engine thereby realizing substantial reduction in fuel cons...
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JP2017078426A |
To provide rapid combustion of highly diluted stoichiometric fillers with externally cooled EGR and increase energy efficiency over substantially the whole operation range of an engine thereby realizing substantial reduction in fuel cons...
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JPWO2016072391A1 |
The uniflow scavenging two-cycle engine (100) surrounds and compresses a cylinder (110) in which a combustion chamber (124) is formed, a piston (112), and one end of the cylinder in the stroke direction of the piston. A scavenging chambe...
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JP6120004B2 |
To provide an air flow control device for an internal combustion engine capable of reducing heat loss by controlling intensity of an air flow in consideration of a trade-off relation between promotion of heat transfer by intensifying air...
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JP6119726B2 |
To relatively simply determine the quality of a combustion chamber shape of a cylinder head affecting the compression ratio of an engine.A plurality of areas are set on a combustion chamber wall surface of a cylinder head, the position o...
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JP6115197B2 |
A combustion chamber structure of an internal-combustion engine is provided. A combustion chamber comprises a main combustion chamber and a gas-squeezing area. A gas inlet valve end, a gas discharging valve end and a sparking plug instal...
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