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JP6244839B2 |
To effectively guide a burned gas including nitric oxide (NO) generated by main injection to an area near a tip part of a fuel injection nozzle in an internal combustion engine.An internal combustion engine includes: a cylinder block 20 ...
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JP6245454B2 |
To increase generation torque by quickly shifting combustion of an engine to SI (Spark Ignition) combustion when an operation state of the engine enters a SI region from a HCCI (Homogeneous-Charge Compression Ignition) region.When the nu...
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JP2017214914A |
To provide an engine combustion chamber structure that is readily formed and improves flow characteristic of intake air.An engine combustion chamber structure is provided with a flow part 27 smoothly continuing in a flush manner from at ...
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JP6242705B2 |
To provide a spark ignition engine which can reduce a content of a carbon hydride in an exhaust gas.When assuming a central virtual line 15 passing through a squish area maximum portion 14 and the center of a combustion chamber recessed ...
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JP6241479B2 |
A direct injection diesel engine (1) includes a piston (4) having a reentrant cavity (6) and a multi-hole fuel injection nozzle (7) disposed on a center line of the cavity. The cavity (6) is formed by a lip portion (42) defining a smalle...
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JP6242706B2 |
To provide a spark ignition type engine enabling the content of hydrocarbon in exhaust to be reduced.A spark ignition type engine is configured in such a way that a cylinder head side squish surface 3 and a piston head side squish surfac...
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JP6238702B2 |
To reduce an amount of smoke emission by effectively using air in a cylinder for combustion.Fuel spray or flame collided with a protrusion 32 flows in a split manner to a swirl upstream side and a downstream side along guide surfaces 32-...
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JP6239009B2 |
In one embodiment a method of controlling an engine system includes providing a first cylinder with a first inlet valve, a first outlet valve, and a first throttle, controlling the first inlet and the first outlet valve in accordance wit...
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JP6237329B2 |
A gasoline direct-injection engine is provided. The engine performs compression self-ignition combustion, and includes a cylinder, an injector, intake and exhaust ports, intake and exhaust valves, and an ozone generating system for gener...
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JP2017207011A |
To stably form stratified air-fuel mixture around an ignition plug in stratified combustion operation.An internal combustion engine controller configured to control an internal combustion engine includes a fluid injection valve provided ...
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JP2017207013A |
To provide a piston of an internal combustion engine capable of forming a heat insulation layer suitable for various fuel injection modes.On a combustion chamber side of a crown part 11 of a piston body 10 formed of an aluminum alloy mat...
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JP6233391B2 |
A heat shield film is formed on a bottom surface of a cylinder head and a heat shield film is formed on an inner peripheral surface of a small diameter hole portion. The film is a thermal spraying film made from the same film material. S...
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JP6232954B2 |
The present invention relates to an internal combustion engine. An object of the invention is to allow an effect produced by an anodic oxide film to be exerted while suppressing a decrease in the combustion rate. A piston 10 includes a c...
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JP6232767B2 |
To securely avoid knocking even when introducing a large amount of recirculation gas.An internal combustion engine includes an intake port 1a for introducing intake air into a combustion chamber, an exhaust gas recirculation device provi...
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JP2017203437A |
To inhibit damage or detachment of a heat shielding layer due to knocking while forming the heat shielding layer at a squish area surface, and prevent generation of a turbulence in a squish area to reduce cooling loss.A heat shielding la...
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JP6228091B2 |
The invention provides an air inflow structure of an internal combustion engine. A cylinder cover is provided with an air inflow port which is open on the top of a combustion chamber in a manner of observing a crescent convex portion alo...
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JP6229109B1 |
[Subject] Combustion of a fuel-air mixture portion which faced an exhaust valve provides a combustion chamber of the 4-cycle engine which is hard to make it generate a knock. [Means for Solution] The 1st inhalation valve 11, the 1st spar...
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JP6225925B2 |
To restrict adhesion and accumulation of deposit around a base end part of a heater rod for transmitting a load to a pressure receiving part of a cylinder inner pressure sensor.A CPS 18 is a glow-plug integrated cylinder inner pressure s...
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JP6222244B2 |
A uniflow scavenging 2-cycle engine that includes: a plurality of injection valves (160) provided at a fuel supply path (170) in parallel to each other and control ejection of fuel gas from injection ports (132e); a hydraulic pump (174) ...
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JP2017194004A |
To provide a combustion chamber structure of a Diesel engine capable of improving utilization ratio of air suctioned into a cylinder to further reduce a black smoke discharge amount and improve fuel economy.A piston 17 has an inlet lip p...
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JP2017193967A |
To provide a combustion chamber in which combustion of a mixture gas portion facing an exhaust valve is not only hard to generate knocking but also enables the amount of exhaust gas to be increased.Most of an inverted first triangle 8 wi...
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JP2017194047A |
To provide combustion chambers of a four-cycle engine where combustion of mixture gas facing an exhaust valve is hard to produce knocking action.A first exhaust valve 9, three intake valves 11, 12 and 13 and a second exhaust valve 10 are...
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JP2017193997A |
To provide an injection controller of a Diesel engine capable of improving a utilization ratio of air with one fuel injection valve.An injection controller of a Diesel engine includes a fuel injection valve 30 configured to inject fuel i...
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JP6217028B2 |
To provide an internal combustion engine in which first and second intake valves opening or closing first and second individual passage portions of an intake port, respectively are disposed to be able to operate to be opened or closed in...
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JP6217670B2 |
Stable combustion is achieved in an internal combustion engine, in cases where an air stream has occurred in a cylinder (2). The engine includes a fuel injection valve (6) having a first nozzle hole (6a1) and a second nozzle hole (6a2), ...
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JP6217677B2 |
To improve NOx purification performance within a prescribed time after switching from an HCCI combustion mode in which Nox is hardly generated to an SI combustion mode, in an exhaust gas purification catalyst device including a three-way...
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JP6217490B2 |
To enable prompt starting at a time of restarting an engine by compression ignition combustion.A control unit (ECM 100) of a direct injection gasoline engine starting control device (engine system 1) automatically stops the multi-cylinde...
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JP2017190670A |
To reduce an amount of CO2, reduce an amount of nitrogen oxide (NOx), and reduce nanoparticles with 0.25 or less, which slip through a purification honeycomb structure, for the purpose of saving energy of a Diesel engine.For a low compre...
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JP6214005B2 |
A rotary valve internal combustion engine has a piston connected to a crankshaft and reciprocatable in a cylinder, a combustion chamber being defined in part by the piston. The engine has a rotary valve rotatable in a valve housing fixed...
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JP6215988B2 |
A method for introducing microwave energy into a combustion chamber of a reciprocating internal combustion engine with at least one cylinder with a cylinder head in which the microwaves reach the combustion chamber through a microwave wi...
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JP6215943B2 |
A piston (4) of a direct injection type diesel engine (1) has a re-entrant type cavity (6), and a fuel injection nozzle (7) with multiple nozzle holes is arranged on the center line thereof. The cavity (6) has a lip portion (42), which i...
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JP6214255B2 |
To provide an injector which is simply constructed to secure combustion stability during stratified charge combustion while suppressing the attachment of fuel on the wall surface of a cylinder.An injector 50 for injecting fuel into a com...
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JP6213410B2 |
To avoid a reduction in the ignitability of compressed ignition combustion and a reduction in stability in a transient period in which an engine operation state transitions to a high load side, in a compression ignition engine for changi...
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JP6213285B2 |
To form homogeneous air fuel mixture over the whole combustion chamber.A plurality of first injection holes 71 for injecting high penetration force spray B1 and a plurality of second injection holes 72 for injecting low penetration force...
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JP2017187012A |
To provide an internal combustion engine capable of simultaneously reducing cooling loss of the internal combustion engine, and suppressing degradation of intake efficiency and occurrence of knocking.An internal combustion engine include...
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JP2017186984A |
To suppress combustion noise of an internal combustion engine executing compression self-ignition combustion.A control device 200 of an internal combustion engine 100 includes a combustion control portion for controlling a fuel injection...
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JP2017186961A |
To provide a method and a system for preventing generation of deposit caused by adhesion of soot or its carbide to inner walls of a combustion chamber and its exhaust passage in an internal combustion engine and the like, without causing...
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JP2017180421A |
To provide a cylinder head of an internal combustion engine having a combustion chamber upper part which functions as a valve seat, and can form an optimum working fluid swirl.A combustion chamber upper member 107 has a thin plate shape ...
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JP6206285B2 |
An internal combustion engine includes an ignition plug and an electronic control unit. The electronic control unit is configured to: (i) execute a lean-burn operation in a first operation region, (ii) execute an operation in a second op...
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JP6206158B2 |
A control system for a spark-ignition internal combustion engine configured to produce tumble flow in a cylinder is provided. The spark-ignition internal combustion engine includes an ignition plug configured to ignite an air-fuel mixtur...
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JP6206270B2 |
A spark-ignition internal combustion engine includes a pent roof type combustion chamber, intake valves, exhaust valves, ignition plug, and an airflow guide member. The airflow guide member is provided on a housing of the ignition plug o...
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JP2017172550A |
To provide an internal combustion engine including a combustion chamber structure that increases turbulent energy of a combustion chamber.The internal combustion engine 1 includes: the combustion chamber 10 constituted of a piston 2, a c...
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JP2017172541A |
To accurately estimate an NOx discharge amount.A control device 200 of an internal combustion engine 100 comprises: an NOx discharge amount calculation part for calculating an NOx discharge amount on the basis of the highest in-cylinder ...
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JP2017172402A |
To provide an internal combustion engine including a combustion chamber structure that increases turbulent energy of a combustion chamber.The internal combustion engine 1 includes the combustion chamber 10 constituted of a piston 2, a cy...
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JP2017172422A |
To improve knocking, and to reduce a cooling loss.A control device of an internal combustion engine having a supercharger and tumble flow generation means comprises: ignition timing adjusting means for adjusting ignition timing by an ign...
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JP6202053B2 |
The control device executes transition control when the operating state of the air flow control valve is switched during implementation of the lean burn operation, and the NOx storage amount which is estimated is smaller than a determina...
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JP6201441B2 |
To make combustion speeds in a combustion chamber of an internal combustion engine uniformly approximate each other.An internal combustion engine comprises at least one exhaust valve 6 and a plurality of intake valves 5 in one cylinder, ...
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JP2017166379A |
To suppress the lowering of a combustion speed when performing ignition and fuel injection during an expansion stroke, and thereby to improve combustion stability, in a center injection-type SI internal combustion engine.Fuel is injected...
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JP6197750B2 |
A structure of a combustion chamber is provided. The structure includes a cavity formed in a central part of a crown surface of a piston and a wall surface constituting the cavity. The wall surface has a central ridge portion bulging far...
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JP2017155647A |
To provide an exhaust system of an internal combustion engine capable of properly performing exhaust recirculation processing by a hydraulic type variable valve opening/closing mechanism and properly starting.A valve opening/closing mech...
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