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JP5930676B2 |
To concentrate turbulence (vortex) of combustible gas to the vicinity of an ignition plug near the top dead center in a combustion chamber structure for an internal combustion engine.A combustion chamber structure for an internal combust...
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JP5930788B2 |
To obtain a stable operational state by performing proper intake air temperature control even during a starting operation in a premixed compression ignition engine which extracts a set intake air temperature with respect to an engine out...
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JP5928934B2 |
A four-stroke engine (2, 202) includes a cylinder head (18, 218), a cylinder body (17) connected to the cylinder head (18, 218) and a fuel injection valve (34). The cylinder head (18, 218) defines a combustion chamber (20), an intake por...
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JP2016098649A |
To provide a cylinder injection type internal combustion engine capable of forming an air layer which exhibits sufficient heat insulation performance around an air-fuel mixture.A cylinder injection type internal combustion engine include...
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JP2016094925A |
To stabilize combustion during cold operation, in a direct injection spark ignition type internal combustion engine which generates a normal tumble flow in a combustion chamber.Grooves 14a, 14b are formed at a front side and a rear side ...
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JP5922830B1 |
To provide a combustion method of a gas engine capable of appropriately controlling the ignition timing of a premixed gas to avoid abnormal combustion and improving combustion stability to improve thermal efficiency. This is a premixed c...
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JP5921669B2 |
An internal combustion engine (1), preferably for a motor vehicle, having at least one cylinder (2) which encloses a combustion chamber (3) and in which a piston (4) is situated in such a way that it may perform a stroke movement, and ha...
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JP5920317B2 |
Auxiliary chamber type internal combustion engine has a main combustion chamber and an auxiliary chamber having an injection port through which the main combustion chamber communicates. The auxiliary chamber has a passage sectional area ...
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JP5920262B2 |
To provide a compression ignition type internal combustion engine capable of improving uniformity of an air utilization rate by considering the shape of a squish portion.A bottom wall surface 311 has the pent-roof shape, and a bottom wal...
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JP2016079968A |
To clarify characteristics and disadvantages of an internal combustion engine fuel hole nozzle required for performing a combustion of EFI jump spark ignition type internal combustion engine, diminish them and to develop the internal com...
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JP5916549B2 |
To further restrain variation of a resonance frequency of a combustion chamber in an ignition region than conventional.An ignition device 10 of an internal combustion engine comprises: a combustion chamber 12 provided in a cylinder 20 an...
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JP5916055B2 |
It is configured such that plasma generated at a time of ignition should diffuse over an entire combustion chamber in a spark ignition type internal combustion engine in order to improve fuel efficiency. An ignition device for a spark ig...
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JP5915050B2 |
To easily determine carbon accumulation in a heat insulating layer 6 of a combustion chamber wall surface part.Before the carbon is accumulated on the heat insulating layer 6, in a predetermined engine operation state, at least one of me...
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JP2016065477A |
To suppress the adhesion of deposits into a glow hole.An engine 10 comprises: a cylinder block 12; a cylinder head 14; a piston 16; a combustion chamber 18; a squish area 20; a glow plug 24; a combustion pressure sensor 26; a glow hole 2...
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JP5911297B2 |
To provide a cylinder direct injection type internal combustion engine capable of reducing a fuel deposition amount onto an inner wall of a combustion chamber or an inner wall of a cylinder.An exhaust gas recirculation passage 6 is provi...
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JP5910343B2 |
To improve a low thermal conductivity in a heat insulation structure of an engine combustion chamber component and suppress deformation of the heat insulation structure due to a combustion pressure, with a simple constitution.A heat insu...
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JP5908890B2 |
A piston for an internal combustion engine includes a piston body having an outer cylindrical surface defining a longitudinal piston axis, a combustion face defining a compound combustion bowl, and a compound rim extending radially outwa...
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JP5909307B1 |
[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] Three exhaust valves and three inhalation...
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JP5900073B2 |
To make both compatible in reducing a cooling loss caused due to a temperature difference between combustion gas and a cylinder wall surface, and improving emission, in an engine 1 which injects fuel into a combustion chamber 17 by an in...
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JP5897727B2 |
An injection nozzle for the direct injection of a liquid fuel into a cylinder chamber of a piston engine includes multiple spray holes for generating injection jets. The multiple spray holes are distributed on a nozzle body of the inject...
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JP5894520B2 |
To provide an internal combustion engine configured to secure a large masking ratio of an intake valve port to easily generate tumbles of strong swirl, thereby improving combustion efficiency.In an internal combustion engine, an intake v...
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JP5896163B2 |
The aim of the invention is to improve the efficiency of an axial-piston motor comprising at least one compressor cylinder, at least one working cylinder and at least one pressure line guiding the compressed fuel from the compressor cyli...
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JP5892311B2 |
To provide a knock control device for an internal combustion engine which can control the occurrence of knocking, while suppressing rise in costs.When the knocking occurs (S10), it is determined whether the knocking occurs at an intake s...
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JP5891942B2 |
An exhaust gas recirculation device is provided. The device recirculates, from an exhaust system to an intake system, a part of exhaust gas from a plurality of cylinders of a multi-cylinder engine as EGR gas. The device includes a single...
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JP5894292B2 |
A combustion process with auto-ignition for direct-injection internal combustion engines involves dividing injection jets at a jet divider contour into a first partial quantity, a second partial quantity, and third partial quantities. Th...
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JP5887877B2 |
To increase an opportunity of a prompt restart by a single compression start by executing appropriate fuel injection control while atomizing fuel.From the establishment of an automatic engine stop condition to the execution of fuel cut f...
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JP5880258B2 |
A multi-cylinder gasoline engine is provided. The engine includes an engine body having a plurality of cylinders, an exhaust manifold through which exhaust gas discharged from each of the cylinders of the engine body passes, and a contro...
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JP5877840B2 |
In an operating method for an internal combustion engine with direct fuel injection including a plurality of combustion chambers, in particular a direct-injection gasoline engine for a motor vehicle, wherein the operating method comprise...
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JP5880259B2 |
To secure an appropriate amount of fresh air while ensuring ignition performance when CI combustion is performed in a low-load area, and to prevent abnormal combustion when Si combustion is performed in high-load area.An exhaust manifold...
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JP5878367B2 |
To suppress intrusion of water or the like from the outside to the inside through a braid part installed on a cable.A pressure detection apparatus includes: a first housing 41 in which a piezoelectric material is housed; and a second hou...
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JP2016031067A |
To realize both the improvement in ignitability of compression ignition and the improvement in exhaust emission performance of a compression ignition engine.A compression ignition engine control device injects a predetermined quantity of...
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JP5865603B2 |
Provided is a cylinder-injection type engine capable of producing as uniform an air-fuel mixture concentration distribution as possible in a cylinder before the time of ignition, whereby the emission of particulate matter (PM) can be eff...
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JP5861840B2 |
In an engine having an intake stroke injection mode for injecting fuel from a fuel injection valve arranged in an intake passage toward a combustion chamber while an intake valve is open, a piston 30 has a protuberance 34 formed on a top...
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JP5862161B2 |
There is provided efficient compression auto-ignition combustion over intermediate load range extended towards a low and high load range. An internal combustion engine enables compression auto-ignition combustion by securing a so-called ...
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JP5862092B2 |
To provide an internal combustion engine capable of restraining dilution of engine oil, by improving heat efficiency by promoting mixing of fuel and air, in the internal combustion engine.This internal combustion engine 1 includes a fuel...
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JP5862296B2 |
A controller executes an engine intermittent operation to stop operation of an engine when a given engine operation stop condition is satisfied and to start the engine when a given engine start condition is satisfied, makes an in-cylinde...
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JP5851639B1 |
To provide an internal combustion engine having improved thermal efficiency. A cylinder in which a first ventilation passage 110 and a second ventilation passage 140 communicating with each other and communicating with a combustion chamb...
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JP2016502033A |
Disclosure of pistons for diesel engines. The piston can reduce the particulate matter produced during the combustion of the fuel vapor in the combustion chamber. The piston includes a main body having a crown around the central axis, a ...
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JPWO2013183127A1 |
An object of the present invention is to provide a working gas circulation type engine capable of increasing the amount of condensed water produced in a condenser with respect to the working gas circulation type engine. In the stratified...
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JP5845817B2 |
In an internal combustion engine, a valve actuating mechanism actuates an intake valve member to open an intake port, and actuates an exhaust valve member to return a first part of exhaust gas with a high-temperature from a gas exhaust p...
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JP2016008544A |
To provide a combustion chamber structure for water emulsion fuel injection of a diesel engine that can promote a thermal dissociation reaction of water when injecting water emulsion fuel.In a combustion chamber structure for water emuls...
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JP2016008545A |
To provide a combustion chamber structure for water emulsion fuel injection of a diesel engine that can promote a thermal dissociation reaction of water when injecting water emulsion fuel.In a combustion chamber structure for water emuls...
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JP2016006325A |
To provide a two-cycle gas engine capable of suppressing the generation of NOx (nitrogen oxides) by accelerating premixing fuel gas with the air.A two-cycle gas engine comprises: a cylinder 2 and a cylinder head 3; a piston 4; a scavengi...
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JP5841985B2 |
To provide a combustion chamber structure for an internal combustion engine that prevents knocking in a two-valve internal combustion engine. [Solution] In an internal combustion engine having an intake valve opening (42) and an exhaust ...
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JP5842195B2 |
To provide an engine cleaning device 60 for cleaning components of an engine 20, in which damage to a component 50 to be cleaned is suppressed or prevented, and radical is supplied to the component 50 to be cleaned for cleaning the compo...
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JP5839187B2 |
To maintain the performance in a wide operation region when fuel is directly injected into a cylinder, without including in the cylinder a direct-injection injector that directly injects fuel into the cylinder.When the flow velocity of i...
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JP2015229938A |
To provide a combustion chamber of a direct injection diesel engine that can restrain a reduction in an amount of heat produced and an increase in CO in exhaust gas even if using fuel gas as fuel of the diesel engine for light oil.A comb...
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JP2015229951A |
To provide a combustion chamber of a diesel engine.In a combustion chamber 2 comprising a cavity 6 recessed in a top surface of a piston 4 in a diesel engine 1, a plurality of depressions 14 each including a concave part 13 in a portion ...
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JP5832616B2 |
A large low-speed turbocharged two-stroke internal combustion engine of the uniflow type with crossheads (41). The engine has a plurality of cylinders (1) and is provided with a primary fuel supply system (24) operating with a first type...
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JP2015222055A |
To provide a spark ignition internal combustion engine capable of reducing unburned fuel loss without influencing the durability of a piston ring.A spark ignition internal combustion engine 1 of the present invention is a spark ignition ...
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