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JP6493350B2 |
To provide a premixed compression-ignition type engine for compatibly suppressing combustion noise and securing combustion stability.A premixed compression-ignition type engine 1 includes an injector 6, and a controller (an ECU 100). In ...
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JP6492542B2 |
To provide a reciprocating engine capable of cost reduction while adopting an RCCI-based combustion system.A reciprocating engine in which a piston reciprocates within a cylinder 110 by explosion pressure generated in a combustion chambe...
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JP6496765B2 |
A partition plate is configured to separate an intake passage formed by an intake pipe to be coupled to a combustion chamber into a first intake passage and a second intake passage. The first intake passage is openable and closable by a ...
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JP6493504B2 |
To perform compression ignition combustion while suppressing the NVH of a compression ignition type engine to a permissible value or lower.A control device for the compression ignition type engine includes an engine 1, an injector 6, a s...
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JP2019508623A |
The piston crown of a pair of pistons in a two-stroke opposed-piston compression ignition combustion engine has a barrier layer and a conductive layer. This barrier layer at least partially surrounds the combustion chamber formed by the ...
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JP6488877B2 |
To suppress occurrence of an excessive fuel area in a combustion engine, thereby to suppress generation of soot or the like, in an opposed piston type engine.An internal combustion engine includes: a first cylinder part 10A that includes...
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JP6489157B2 |
To provide a combustion chamber structure for a spark ignition type engine, for improving the ignitability of a spark plug by promoting the atomization of fuel.The combustion chamber structure for the engine includes a combustion chamber...
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JP2019044668A |
To provide an internal combustion engine capable of corresponding to the switching of the driving mode in accordance with required load and rotation speed while securing the ignition performance and high compression ratio.An internal com...
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JP2019507848A |
The present invention is formed essentially rotationally symmetrical with respect to the piston axis (2) -a bowl bottom (4) with a essentially conical ridge (5) and a bowl wall (6) surrounding it. An air-compressed internal combustion en...
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JP2019044704A |
To provide a combustion chamber of an internal combustion chamber which improves the flowability of air in the combustion chamber, and can reduce a cooling loss of combustion gas accompanied with an increase in a surface area of the comb...
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JP6485489B2 |
A control system of an engine is provided, which includes a piston formed with a cavity and configured to reciprocate in a cylinder along a center axis of the cylinder, and a fuel injector disposed facing a top surface of the piston and ...
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JP6487587B2 |
To provide a valve opening/closing mechanism being fuel-efficient and low cost by shifting opening/closing timing of a plurality of intake/exhaust valves of an internal combustion engine cylinder.A valve opening/closing mechanism compris...
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JP6487439B2 |
A compression-ignited, opposed-piston engine equipped for multi-fuel operation includes at least one cylinder, a pair of pistons slidably disposed in the cylinder for opposing movement between respective bottom and fop center locations, ...
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JP6481322B2 |
To provide a combustion chamber structure of a direct-injection type engine capable of reducing generation of smoke, CO and the like in comparison with a conventional one.In a combustion chamber structure 1 of a direct-injection type eng...
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JP6481968B2 |
To provide a diesel engine capable of achieving both of reduction of a cooling loss and improvement of miscibility of fuel spray and air, by improving fluidity of the air in a cavity without strengthening penetration of the fuel spray.A ...
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JP6481274B2 |
To provide an engine using a piston whose piston pin is offset toward a thrust-side, and capable of using identical pistons in right and left banks.A piston pin 50 of a first piston 31 and a piston 80 of a second piston 32 are provided a...
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JP6481703B2 |
To provide a diesel engine capable of achieving both of reduction of a cooling loss and improvement of miscibility of fuel spray and air, by improving fluidity of the air in a cavity without strengthening penetration of the fuel spray.A ...
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JP6477750B2 |
The diesel engine is provided with a cylinder, a cylinder head, a fuel injection valve, and a piston. The piston has a cavity, and a notch formed in a circumferential edge of the cavity. The notch includes a first recessed portion which ...
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JP6477847B1 |
To provide a premixed compression ignition type engine capable of reducing combustion noise while realizing high thermal efficiency. In a premixed compression ignition type engine in which self-ignition combustion in which a mixture of f...
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JP6476841B2 |
The utility model relates to a piston for injection -type engine in jar, it can concentrate on the fuel that comes from the interior injection valve of jar around the spark plug high -efficiently. In the piston -top surface is formed wit...
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JP6477848B1 |
To provide a premixed compression ignition engine capable of suppressing emission of unburned fuel while realizing high thermal efficiency. In a premixed compression ignition type engine capable of self-igniting a mixture of fuel and air...
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JP6477849B1 |
To reduce combustion noise and suppress abnormal combustion by preventing the uneven distribution of flame-propagating combustion in a combustion chamber in a premixed compression ignition engine as much as possible. A premixed compressi...
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JP2019031961A |
To provide an internal combustion engine capable of consistently burning air-fuel mixture in a main combustion chamber in an internal combustion engine which bursts flame from an ignition chamber to the main combustion chamber.A partitio...
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JP2019505731A |
Systems and methods for utilizing multi-zone combustion chambers (and / or multiple combustion chambers) to achieve compression ignition (and / or spark-assisted or fuel-assisted compression ignition) in an internal combustion engine. Wi...
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JP2019504959A |
A piston crown for a piston of an internal combustion engine, the piston crown extends axially along the central axis and radially outward from the central axis. The piston crown includes an annular surface of a first end portion in the ...
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JP6471754B2 |
Disclosed is a homogeneous charge compression ignition and diffusion compression ignition combined ignition control method for low-octane gasoline, using a diffusion compression ignition control mode as a forced ignition measure, to igni...
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JP6467972B2 |
To provide an internal combustion engine capable of reducing smoke and unburnt fuel.A diesel engine includes a cylinder 3, a piston 23 arranged to freely reciprocate vertically in the cylinder 3, a cylinder head 24 arranged above the pis...
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JP6468448B2 |
To provide a premixed compression ignition type engine for securing good thermal efficiency while suppressing the sharp rise of a cylinder pressure.On the radial center of a combustion chamber wall surface encircling a combustion chamber...
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JP2019503451A |
A cylinder head (12) holding at least a cylinder (10) and a fuel injection means (14) that sprays fuel in the form of a single sheet (34) of a fuel jet (36), and a piston that slides in this cylinder ( 16) and the combustion chamber (32)...
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JP6465147B2 |
To provide a premixed compression ignition type engine for securing good thermal efficiency while suppressing combustion noise by appropriately slowing combustion according to operating conditions.On the radial center of a combustion cha...
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JP6465086B2 |
A pore sealing treatment is performed in order to enhance the heat-shielding property of an anode oxide film by blocking at least the openings of open pores. In the first step of the pore sealing treatment, a non-solvent-typed pore seali...
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JP6460114B2 |
A reciprocating engine has a piston which reciprocates in a cylinder due to explosion pressure produced in a combustion chamber (124) formed in the cylinder (110). The reciprocating engine includes: a liquid fuel supply unit (148) that s...
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JP6460156B2 |
To reduce the cooling loss of an engine.In a combustion chamber 50 of an engine 1, at least one of a piston top surface 51 and a bottom surface of a cylinder head 11 is a groove-formed surface 56 having a plurality of microscopic grooves...
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JP6460155B2 |
To reduce the cooling loss of an engine.In a combustion chamber 50 of an engine 1, at least one of a piston top surface 51 and a bottom surface of a cylinder head 11 is a groove-formed surface 56 having a plurality of microscopic grooves...
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JP6458814B2 |
An internal combustion engine comprises a fuel injector 31, a spark plug 16, a piston 14 having a cavity 91, a swirl control device 95, and a control system 70. The cavity is formed so as to change in distance from the fuel injector to a...
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JP6458887B2 |
To provide an internal combustion engine which can avoid that a rotation radius of a flow of suction air in a combustion chamber becomes small, and can generate a strong tumble flow in the combustion chamber.An internal combustion engine...
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JP6461251B2 |
A cylinder lubricating apparatus (55) for supplying cylinder lubricating fluid through a plurality of injectors (24) to an inner surface (25) of a cylinder liner (1) of a large two-stroke uniflow-compression ignition internal combustion ...
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JP6457759B2 |
To provide an engine capable of suppressing a reduction in output of a laser for a long period of time.An engine comprises: a main chamber defined between a piston and a cylinder head; and a sub-chamber communicating with the main chambe...
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JP2019007463A |
To weaken reverse-directional revolution airflow occurring in a combustion chamber of a cylinder to intensify in-cylinder flow, regardless of an operational condition of an internal combustion engine.An internal combustion engine is conf...
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JP2019007446A |
To efficiently suppress smoke.A combustion chamber structure for a direct-injection type internal combustion engine includes: a cavity 11 recessed in a central part of a piston top surface 8; and a recessed part 21 recessed in an outer p...
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JP6451581B2 |
To form a heat insulation layer on a squish area surface on a top face of a piston body and to curb damage and pealing of the heat insulation layer by preventing generation of a large crack.A heat insulation layer 22 on a squish area sur...
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JP6451318B2 |
A piston for a diesel internal combustion engine including a crown portion at least partially formed of steel and having a combustion surface with a combustion bowl formed therein is provided. The combustion bowl presents a combustion bo...
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JP6451780B2 |
A compression ignition engine includes: a naphtha injector 19 for supplying naphtha to a combustion chamber 14a; a diesel fuel injector 18 for supplying diesel fuel having a higher boiling point than naphtha; an ignition device 20 for as...
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JP2019002326A |
To reduce the engine cooling loss in a high compression ratio engine.A high compression ratio engine 1 has a combustion chamber 17 having a ceiling surface constituted by a lower surface 130 of a cylinder head 13, and an ignition device ...
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JP2019500538A |
The present invention includes at least one main combustion chamber (6) for fuel, a drive piston (10) that can be driven in the driving direction (15) by an expandable gas from the main combustion chamber (6), and an ignition device. Ant...
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JP2019002337A |
To suppress deterioration of knocking resistance, and also heat suctioned air in enhancing in-cylinder fluidization.As an operational region of an engine 1, a first region and a second region are set, wherein the second region is provide...
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JP6446973B2 |
A thermal insulation film is formed on a bottom surface of a cylinder head facing a top surface of a piston. The thermal insulation film in a region (a circumferential region) of a bottom surface of the cylinder head configuring a squish...
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JP2018204516A |
To provide an internal combustion engine capable of reducing the generation amount of soot at the time of combustion, by promoting the mixture of fuel and air in a combustion chamber.An internal combustion engine which is composed of a c...
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JP2018204485A |
To provide a cylinder head that inhibits heat of an injector from being excessively removed by a cylinder head, and also can inhibit the injector from corroding, and to provide an internal combustion engine.An cylinder head includes: a f...
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JP2018204545A |
To provide an internal combustion engine capable of reducing the generation amount of soot at the time of combustion, by promoting the mixture of fuel and air in a combustion chamber.An internal combustion engine which is composed of a c...
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