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JP2015218621A |
To provide a combustion chamber structure of an internal combustion engine which can suppress misfiring.In at least one of between suction ports 1 of a combustion chamber ceiling portion and between exhaust ports of the combustion chambe...
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JP2015214964A |
To attain a remarkable reduction of COby a method in which a concentration type combustion chamber is formed and ultra high performance of an internal combustion engine is accomplished by an ultra rapid combustion method at a squish part...
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JP2015214963A |
To improve energy saving and low pollution related to an internal combustion engine through lean and fine formation of injection fuel, an air mixing condition and a combustion chamber structure.This invention constitutes a lean fuel inje...
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JP5826189B2 |
A piston for a four valve direct injection diesel engine defines a combustion chamber comprising a recess (10) in the piston crown, which is rotationally symmetrical about the axis of the piston in axial cross-section and is defined by a...
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JP5828037B2 |
Disclosed herein is a precombustion chamber structure for a gas engine. The precombustion chamber structure is configured to facilitate disassembly of a precombustion chamber tip, thus making maintenance, repair or inspection of the prec...
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JP2015212384A |
To provide fuel compositions that yield very low soot emissions and low NOx emissions while having high efficiencies and acceptable maximum in-cylinder pressure rise rates over a wide load range when used in an advanced combustion engine...
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JP5817630B2 |
To efficiently use plasma for PM purification.A control device (100) of an internal combustion engine controls the internal combustion engine (200) including an in-cylinder pressure detection means (218) capable of detecting a cylinder i...
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JP5806899B2 |
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JP2015190328A |
To improve heat efficiency without injecting a gas fuel at a pressure higher than a present pressure, and suppressing production of NOx, so that environmental conservation and cost reduction can be achieved.A fuel injection system of a g...
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JP2015183647A |
To provide a technology that can prevent residence of air in a valve recess to suppress incomplete combustion and reduce an environmental load substance contained in an exhaust gas.In a piston 13 formed with a chamber 13c and the valve r...
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JP5796031B2 |
A reciprocating piston engine wherein the movement of a piston within the combustion chamber creates vortices in the fluid within the chamber and wherein the orientation of the vortices is more normal to the axis of movement of the pisto...
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JP5795782B2 |
An induction driven ignition system with an electrode projecting into the combustion chamber of a reciprocating internal combustion engine. The electrode is adjacent to but electrically insulated from an electrical conductor which receiv...
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JP2015529783A |
In a fuel injection spray pattern for an opposed-piston engine, the individual spray plumes add a swirl component to the fuel spray pattern that is injected directly into the combustion chamber of the opposed-piston engine, relative to t...
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JP5790587B2 |
To provide a combustion chamber structure of an engine that can relieve thermal stress acting on a combustion chamber and improve heat insulating properties.In a combustion chamber structure of an engine, a metal coating layer 12 is form...
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JP2015175340A |
To solve problems in an ignition plug having a clearance between electrodes by forming a bent portion bent to a tip side of a center electrode by a ground electrode disposed at an outer side, that tumbling to a direction not having the b...
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JP2015172200A |
To provide a fuel composition that yields very low soot and low NOx emissions while having high efficiencies and acceptable maximum in-cylinder pressure rise rates over a wide load range when used in an advanced combustion engine environ...
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JP5786956B2 |
A combustion chamber structure for an internal combustion engine includes, in a piston top part, a concave portion (12) formed eccentrically with respect to a cylinder center axis (C1), and a tapered portion (20) that connects an upper e...
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JP5782978B2 |
To provide a cylinder head and an internal combustion engine capable of strengthening a tumble flow generated in a combustion chamber using an intake air via an air inlet.On a combustion chamber facing surface 40 which faces the combusti...
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JP5782109B2 |
A combustion chamber for an opposed-piston engine includes a squish zone defined between circumferential peripheral areas of opposing end surfaces of the pistons, a cavity defined by one or more bowls in the end surfaces, and at least on...
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JP5783114B2 |
In a spark ignition engine, a thermal insulation thin layer is formed over a wall surface, facing an inside of a combustion chamber, of a base material forming the combustion chamber, and for a thermal conductivity λ [W/(m·K)], a therm...
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JP5783701B2 |
In a cylinder injection engine and a control device for the engine, for achieving both of the decrease of a particulate matter by suppression of fuel adhesion on the piston during fast idling of cold start and ignition retard fuel by str...
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JP5780943B2 |
To provide an ignition control device capable of reducing unburnt HC regardless of the kind of injected fuel.The ignition control device 1 controls the ignition of fuel in an engine 10 in which the fuel is injected from a fuel injection ...
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JP2015151913A |
To curb a reduction in a tumble ratio when an engine is rotated at a high speed with a partial load region used for lean burn operation in a spark ignition type internal combustion engine mounted with a variable intake mechanism.A contro...
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JP2015148163A |
To provide an internal combustion engine capable of suppressing a multi-discharge phenomenon in an ignition plug.In an internal combustion engine 11, a ceiling surface 16B of a combustion chamber 16 is formed in an umbrella shape, and an...
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JP5765289B2 |
To provide a fuel injection device capable of stabilizing stratification combustion.A fuel injection device (100) comprises a fuel injection valve (110) and a control device (120) controlling the fuel injection valve so that fuel spray i...
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JP5765535B2 |
To provide an intra-suction passage fuel injection engine that can suppress blowing-through of a mixture gas in the event of a valve overlap while a swirl in a combustion chamber is secured.The intra-suction passage fuel injection engine...
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JP5765819B2 |
An object is to provide a two-cycle gas engine in which generation of NOx (nitrogen oxide) is suppressed by promoting premix of fuel gas with air. A two-cycle gas engine includes a cylinder 2, a cylinder head 3, a piston 4 that defines a...
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JP2015145641A |
To provide a fuel injection control device capable of generating more homogeneous air-fuel mixture by executing appropriate fuel injection.The present invention relates to a fuel injection control device that is applied to an internal co...
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JP5762535B2 |
A self-igniting internal combustion engine includes at least one cylinder and a piston, which can be moved back and forth in the cylinder and which bounds a combustion chamber together with the cylinder and which has a piston recess faci...
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JP2015140728A |
To provide a hybrid vehicle control device capable of efficiently changing over from SI combustion to super-charged HCCI combustion.This invention relates to a control device 10 for a series-type hybrid vehicle 1 in which an engine 2 can...
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JPWO2013125704A1 |
Provided are an engine combustion chamber structure that improves the thermal efficiency of an engine and improves fuel efficiency, and an inner wall structure of a flow path through which an intake gas or an exhaust gas of the engine fl...
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JP2015137560A |
To provide a fuel injection device of an internal combustion engine capable of improving operability of an internal combustion engine by increasing the amount to be directly introduced to a combustion chamber, of the fuel injected from a...
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JPWO2013129430A1 |
Provided are a heat insulating member for improving the thermal efficiency of an engine and improving fuel efficiency, and an engine combustion chamber structure. The heat insulating member 1 includes a substrate 5, a heat insulating por...
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JP2015129501A |
To solve the problem in which a conventional premixing and compression ignition type engine generates a loud engine sound, and needs to be switched to another ignition mode to operate for large output and thereby has effects on high effi...
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JP5748156B2 |
A piston is arranged for reciprocal movement in a combustion engine cylinder. Protrusions are or a ridge is arranged half way between flame plume impingement areas in a plane perpendicular to the reciprocal movement and protrude to the c...
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JP2015124659A |
To suppress the generation of a twin airflow which flows so as to turn around a direction opposite to a tumble flow, in a spark ignition type internal combustion engine which generates the tumble flow in a combustion chamber.In the vicin...
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JP2015518944A |
The internal combustion engine (10) rotates with respect to the housing (12) having a cylinder bore (14) defining an inner diameter (16) of 260 mm, the fuel injector (24) connected to the housing (12), and the housing. It is equipped wit...
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JP2015121164A |
To improve the ignitability of an air-fuel mixture irrespective of an engine rotation speed, in a spark ignition type internal combustion engine.In a high rotation area, a ω-tumble is created by making lift amounts of two intake valves ...
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JP5741594B2 |
A piston is arranged for reciprocal movement in a combustion engine cylinder. Protrusions are or a ridge is arranged half way between flame plume impingement areas in a plane perpendicular to the reciprocal movement and protrude to the c...
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JP5740580B2 |
To provide a fuel atomization acceleration apparatus capable of corresponding to fuel spray for a short time, and capable of performing fuel atomization in a simply and optionally controllable manner.A fuel atomization acceleration appar...
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JP2015113739A |
To provide an engine capable of effectively preventing the damage of a piston due to a heat load.At the burning time of a fuel in the combustion chamber 8 which is defined by a cylinder bore 16 formed in a cylinder block 15, the top face...
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JP2015113802A |
To provide a compression ignition type internal combustion engine which suppresses the interference of fuel sprays.A compression ignition type internal combustion engine comprises a nozzle directly injecting fuel to a combustion chamber ...
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JP5737076B2 |
To improve the thermal efficiency of a rotary piston engine by restraining combustion delay of an leanized air-fuel mixture, restraining combustion delay of a trailing side air-fuel mixture derived from squish flow for reducing cooling l...
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JP5735116B2 |
In an operating method for a direct-injection gasoline internal combustion engine having a plurality of combustion chambers with at least partially low-NOx combustion (NAV) and a plurality of partial operating modes with at least one par...
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JP5735117B2 |
An operating mode for an internal combustion engine, in particular a directly injected internal combustion engine having a plurality of combustion chambers, in particular for a directly injected gasoline engine, e.g. for a motor vehicle,...
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JP5731774B2 |
Suggested is a procedure for operating a self-igniting Otto engine (OM) with at least one inlet valve (14), with one or several variably controllable outlet valves (15), with a sensor (21) for a continuous detection of an air-fuel-ratio ...
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JP5733189B2 |
To provide a fuel injection control device of an internal combustion engine which can reduce a fuel injection period for air vent to a fuel supply system.Upon an initial start of an engine after factory shipment, fuel injection is perfor...
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JP2015101986A |
To provide a start control device for performing start control to enhance the low-temperature starting characteristics of a cylinder injection internal combustion engine.When the temperature of the engine when started is lower than a pre...
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JP2015096727A |
To reduce compression work and improve engine efficiency.Provided is a method of actuating an internal combustion engine 1 including: at least one cylinder 2; and a reciprocating piston 15 in the cylinder 2. The reciprocating piston 15 r...
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JP5713474B2 |
It is an object of the present invention to reduce the penetration of a fuel spray directed toward a certain area in a cylinder, thereby reducing oil dilution that increases sliding resistance in the engine, reducing fuel adhesion or the...
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