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JP6950489B2 |
To provide a fuel injection control device or the like which can reduce an influence even if fuel injection is performed in an inclination of a rise of an injection rate which is different from a target.A fuel injection control device 10...
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JP6932278B1 |
To provide a fuel pump for feeding fuel to a fuel valve. The fuel pump comprises a housing having a first bore (84) and a second bore (81). The hydraulically driven operating piston is slidably housed in the first bore and is movably con...
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JP6926718B2 |
To provide a fuel injection device capable of switching a displacement speed of a nozzle needle while preventing increase in size.A fuel injection device 10 includes a valve body 20, a driving portion 40, a nozzle needle 50, a control va...
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JP6919437B2 |
To provide a fuel injection device which reduces a drive force of an electromagnetic valve necessary for sealing fuel flow-out paths, and is reducible in a physique, in the fuel injection device for controlling the fuel pressure of a pre...
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JP6922592B2 |
To provide a fuel injection device reducing discrepancies in injection rating in the fuel injection device that changes the rate of injection by drive control of a needle valve by the fuel pressure in the pressure control chamber.A first...
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JP2021088955A |
To provide a fuel injection system which enables opening/closing operation of two control valves to perform both high rectangular injection and minute quantity injection.A drive control device can change inclination of an injection rate ...
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JP2021088952A |
To provide a fuel injection section which curbs fluctuation in needle closing responses due to pulsation of a pressure in a control chamber when two control valves are simultaneously opened and then a valve closing instruction is made fo...
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JP2021088959A |
To provide a fuel injection system which enables opening/closing operation of two control valves to perform both low rectangular injection and short interval multiple injections.A drive control device can change inclination of an injecti...
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JP2020159333A |
To provide a fluid injection device which can simplify a structure though the structure is for use in the injection of two kinds of fluids, and can suppress unintended valve-opening.A fluid injection device 10 comprises a valve body 20 a...
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JP2020125687A |
To provide an internal combustion engine intake system capable of enhancing vaporization of fuel with a heater and ensuring a sealing property with respect to the fuel injected through an injector.An intake system 3 of an internal combus...
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JP6706290B2 |
A fuel injection valve includes a needle valve that controls communication between a high pressure chamber and an injection hole, a follower valve provided inside a control chamber controlled by fuel pressure inside an intermediate chamb...
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JP6683143B2 |
To provide a fuel injection device capable of reducing variations of a needle moving amount and a fuel injection rate by controlling movement of the needle in stages.In a fuel injection device 91, when a coil 80 produces magnetic field o...
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JP6642478B2 |
A fuel injection device includes a valve mechanism and a drive unit. The valve mechanism includes a first control valve body driven by a drive unit to open and close an outflow opening portion, a hydraulically actuated valve body for ope...
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JP6603622B2 |
To provide an injector capable of changing a lift speed without disposing a plurality of driving portions.A needle 4 is operated in a first mode to be operated at a first lift speed and a second mode to be operated at a second lift speed...
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JP2019183728A |
To reduce combustion noise by shortening the shortest injection period between pre-injection and main injection.The fuel injection device according to this invention includes an injector, and a control device, the injector including a ne...
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JP6592408B2 |
To provide an injector capable of changing a lift speed without disposing a plurality of driving portions.A needle 4 is operated in a first mode to be operated at a first lift speed and a second mode to be operated at a second lift speed...
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JP2019167832A |
To provide a fuel injection control device of an internal combustion engine which can perform accurate fuel injection control taking into consideration a variation of each fuel injection valve at the execution of a half-lift mode of the ...
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JP6506377B2 |
In an opposed-piston engine, two or more fuel injectors are mounted to a cylinder for direct side injection into the cylinder. The injectors are controlled so as to inject either a single fuel pulse or a plurality of fuel pulses per cycl...
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JP2019056313A |
To provide a fuel supply device capable of reducing a manufacturing cost, attaining downsizing, improving vehicle mountability and degree of freedom for vehicle mounting, and improving fuel supply efficiency.A fuel supply device 1 is mou...
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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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JP6481781B2 |
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JP6463638B2 |
A fuel injection valve control device controlling a fuel injection valve that injects a fuel into a combustion chamber includes an operation-condition calculation portion that calculates a fuel injection condition of the fuel injection v...
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JP6453439B2 |
The purpose of the present invention is to provide a control means which, with respect to injection control of a fuel injection valve, reduces deviation between an injection quantity of fuel injected by the fuel injection valve and a tar...
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JP6453674B2 |
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JP6447434B2 |
To provide a fuel injection control device capable of realizing equal-pressure combustion with a simple constitution.A control device is applied to a diesel engine including a fuel injection valve directly injecting a fuel into a combust...
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JP6432563B2 |
An internal combustion engine includes a plurality of cylinders, a plurality of fuel injection valves, a control chamber provided in each of the fuel injection valves. A control system for the internal combustion engine includes an elect...
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JP6428592B2 |
A plurality of injection rate waveforms include an isobaric injection rate waveform for performing a control so that the cylinder pressure in a combustion chamber (10a) is equal to or less than the maximum cylinder pressure, the isobaric...
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JP2018131978A |
To increase an opportunity of performing premixed charge compression ignition.When an engine operation state belongs to a third region R3, a first pre-fuel injection is performed first, then a second pre-fuel injection is performed, and ...
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JP6350237B2 |
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JP6336045B2 |
A fuel injector, preferably a dual fuel injector, for an internal combustion engine is disclosed. The fuel injector comprises first and second valve needles (80, 100) arranged to control the injection of first and second fuels, first and...
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JP6329999B2 |
The fuel injection unit (1) for an internal combustion engine comprises a body (29), a first fuel gallery (31) and a second fuel gallery (32), a first fuel injection nozzle (3) and a second fuel injection nozzle (4), a first injector nee...
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JP2018044513A |
To provide a control device capable of appropriately removing unburned materials accumulated in an injection hole of a fuel injection valve.A control device 101 comprises an ECU 705 as a control part controlling a fuel injection valve 1....
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JP2018009540A |
To provide a fuel injection valve for highly accurately controlling a spray state of a fuel injected from a plurality of injection holes.A fuel injection valve 1 includes: a housing 11 having an inner injection hole 26 and an outer injec...
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JP2018003831A |
To improve a starting characteristic of an internal combustion engine.A method for starting an internal combustion engine 1 is a step for providing an internal combustion engine having at least one cylinder 2 and a piston 3 supported wit...
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JP2017227152A |
To provide a fuel injection valve capable of properly switching injection holes for injecting a fuel.A fuel injection valve 1 includes a housing 20, an outer needle 50, an inner needle 40, a driving portion 10, a cylindrical member 60, a...
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JP2017210964A |
To enable fuel injection of a minute amount while reducing a spray particle diameter.An ECU (fuel injection control device) is applied to a fuel injection system including an injector for injecting a fuel from an injection hole by allowi...
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JP6234583B2 |
The invention relates to a fuel injector for internal combustion engines for injecting fuel at high pressure, comprising a pressure chamber formed in an injector body, in which pressure chamber a nozzle needle is arranged in a longitudin...
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JP6206151B2 |
To provide a fuel injection control device for an internal combustion engine which includes a fuel injection valve provided below an intake port for injecting fuel directly into a cylinder, for improving the homogeneity of air-fuel mixtu...
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JP6207731B2 |
The invention relates to a fuel supply system for an internal combustion engine comprising:—a low pressure fuel pump (18);—a low pressure supply circuit (34) through which fuel is delivered by the low pressure pump (18) to one or sev...
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JP6199227B2 |
To provide an internal combustion engine fuel injection control device capable of appropriately suppressing heat generation of a control circuit controlling a fuel injection valve to be driven and appropriately injecting a fuel a plurali...
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JP6156397B2 |
A controller is provided that performs first injection that executes fuel injection with lower injection rate and subsequently performs second injection with higher injection rate. The controller configured to determine a target value fo...
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JP6144750B2 |
A fuel injector has a storage volume, wherein the storage volume is variable in operation by a control signal.
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JP6113044B2 |
An internal-combustion-engine fuel-injection control device capable of reducing PM and oil dilution when cooling an internal combustion engine while favorably maintaining the air-fuel mixture. A fuel-injection control device for injectin...
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JP6102958B2 |
To surely form an air-fuel mixture layer and a heat insulating gas layer in a combustion chamber, in a direct-injection engine.A fuel injection valve 6 is constituted so that the more a lift amount of an outer opening valve 62 is, the na...
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JP6106268B2 |
The present invention relates to a fuel injector (101) for use in delivering fuel to an internal combustion engine. The fuel injector (101) includes a nozzle (105) having a valve needle (107) which is movable with respect to a valve need...
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JP6102957B2 |
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JP6096307B2 |
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JP2017048723A |
To provide a fuel injection nozzle capable of actualizing fuel spray having high dispersion characteristics at the time of a small injection amount and actualizing fuel spray having strong penetration characteristics at the time of a lar...
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JP6083360B2 |
A control apparatus for an internal combustion engine, wherein the internal combustion engine includes a fuel injection valve injecting fuel directly into a cylinder. The control apparatus includes an ECU. The ECU is configured to execut...
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JP6056882B2 |
To surely form an air-fuel mixture layer and a heat insulating gas layer in a combustion chamber, in a direct-injection engine.A fuel injection valve 6 is constituted so that the more a lift amount is, the larger an effective opening are...
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