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JP2017002786A |
To provide a fuel injection device of an internal combustion engine capable of changing the lift speed of a needle valve, while suppressing addition or change of control for changing the lift speed.A fuel injection device 100 opens a nee...
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JP2016211468A |
To suppress a variation of the transition of an injection rate in second injection as much as possible when performing boot-type injection in an internal combustion engine.This internal combustion engine estimates a lift amount of a need...
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JP6028967B2 |
To improve reliability of a gas engine device usable while switching between a gas operation mode using a fuel gas and a liquid operation mode using a liquid fuel.In a fuel injection device for a gas engine, a pre-mixed gas of a fuel gas...
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JP5962795B1 |
[Subject] A combustion state is improved in a fuel injection valve which has a plurality of nozzle holes closed by a time lag. [Means for Solution] When changing from a state in which the total nozzle hole area is provided with a fuel in...
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JP5962713B2 |
The invention relates to a control device applied to a cylinder injection type of the engine (10). The control device carries out a fuel injection while changing a penetration force of the injected fuel by changing a maximum value of a l...
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JP5938955B2 |
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JP5928380B2 |
To correct deviation of a fuel injection amount due to pulsation of a fuel injection pressure.A correction item is set on at least one of attenuation vibration model type amplitude, attenuation coefficient, frequency and phase relating t...
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JP5925104B2 |
A fuel gas injection valve according to the present invention includes: a holder (22) including a first injection hole (61) through which fuel gas is injected to produce premixed fuel, and a second injection hole (62) through which fuel ...
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JP5897135B2 |
A method for assessing an injection behavior of at least one injection valve of an internal combustion engine includes putting the internal combustion engine into a special operating mode defined by control parameters and operating the e...
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JP5881505B2 |
The purpose of the present invention is to shorten heat receiving time that corresponds to a shortening in fuel injection time and to make a fuel injection pressure mode after a prescribed amount of time has passed since the start of fue...
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JP5842642B2 |
A fuel injection control device is provided for an internal combustion engine which includes a fuel injection valve including: a housing which includes a fuel passage, a sac portion, an injection hole, and a valve seat portion; a needle ...
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JP5740467B2 |
The present invention provides a two solenoid valve relay with a two-phase fuel injection valve for a diesel engine, which is installed on a valve itself to enable injection at pressure greater than opening pressure, at which the fuel en...
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JP2015514916A |
A fuel pump assembly (10) for an internal combustion engine with at least one engine cylinder for injecting fuel into it, with associated cylinder pistons in which each cylinder reciprocates within the associated cylinder during use. Has...
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JP5680631B2 |
A fuel injector (100) for use in an internal combustion engine comprising an injection nozzle (118) having a nozzle body (120) provided with a nozzle bore (130), a first valve needle (136) received within the nozzle bore and being engage...
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JP5664539B2 |
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JP5646738B2 |
The present invention relates to a dual fuel injection valve apparatus provided with a hybrid nozzle for a diesel engine and a gas engine and an objective thereof is to provide a dual fuel injection valve apparatus provided with a hybrid...
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JP5634601B2 |
The present invention relates to a dual fuel injection valve having a pumping nozzle for a diesel engine and a gas engine, and an objective of the present invention is to provide a fuel injection valve in which, by using two kinds of fue...
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JP5589673B2 |
To suppress combustion noise and stabilize combustion, while improving fuel economy and emission performance.An engine 1 is an engine supplied with fuel with light oil as a main component and having a geometrical compression ratio of 15 ...
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JP5519568B2 |
To provide a fuel injection control device of an internal combustion engine that prevents overlap of fuel spray in main injection on flame or combustion gas by pre-injection in the internal combustion engine that performs the pre-injecti...
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JP2014513241A |
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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JP5445394B2 |
To suppress an increase of combustion noise and enhance NVH performance, in a control device for a compression self-ignition engine.An injection controller (PCM10), when the engine body 1 is in an operation range of a partial load, effec...
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JP5423354B2 |
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JP5370348B2 |
The controller has a collector (12) for collecting high-pressure fuel. A fuel pump (11) e.g. low pressure trochoidal feed pump (11a), feeds the fuel into the collector. A fuel pressure sensor (20a) detects fuel pressure in a fuel supply ...
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JP5361701B2 |
The system comprises an injector (1) controlled by commands (S1, S 2 ) of a control unit. The injector (1) comprises a dosing servo valve (5) having a control chamber (26) provided with an outlet passage (42a) that is opened/closed by an...
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JP5333464B2 |
The fuel injection control device has an asymptote-calculator, which calculates a decreasing asymptote by approximation of a decreasing curve course of a pressure curve course, and calculates an increasing curve course of the pressure cu...
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JP5328218B2 |
An internal combustion engine has compression ignition, in which fuel is injected as a pre-injection and main injection directly into a working space by means of an injection nozzle having a plurality of injection holes, with the pre-jec...
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JP5327163B2 |
To suppress an increase of combustion noise and enhance NVH performance, in a control device for a compression self-ignition engine.An injection controller (PCM10), when the engine body 1 is in an operation range of a partial load, execu...
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JP3186787U |
The spray nozzle has valve spool (14) that is provided in the longitudinal direction bore of the nozzle head (3) to open and close the nozzle hole (4.1, 4.2). The actuator (8.2, 9.2, 15) shifts time and operates the valve spool with resp...
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JP5285442B2 |
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JP5283115B2 |
To provide a fuel injection device for an internal combustion engine for coping with multiple kinds of fuel. A diesel engine includes a main and an auxiliary fuel system. The main fuel system supplies and injects fuel by a mechanical fue...
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JP5263280B2 |
A waveform detector detects a variation in fuel pressure based on a detection value of a fuel pressure sensor as a fuel pressure waveform. A determining portion determines whether an interval between injections is zero or smaller than a ...
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JP2013521432A |
Disclosed herein is a two-stage fuel injection valve for a diesel engine. The valve includes a fuel valve block (110) having therein a passage (1701) into which fuel is supplied; a nozzle (140) having a low pressure nozzle hole (160) and...
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JP5204737B2 |
Method for controlling a diesel engine with a common-rail injection system and a particulate filter, comprising the steps of performing at least one main injection (PRE, MAIN, AFTER) of fuel into a cylinder of the engine, the fuel being ...
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JP2013104329A |
To reduce adverse effect on an internal combustion engine due to fuel adhesion to a bore when a needle of a fuel injection valve is lifted intermediately.A fuel injection system controls a lift position of the needle in an injection valv...
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JP5182250B2 |
In a compression stroke, fuel injection valve 2 injects a single portion of the fuel immediately after -28° ATDC. Immediately after this injection, a second portion of the fuel is injected as close as possible to the first injection wit...
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JP5175756B2 |
To provide a fuel injection control device capable of restraining a main spray from overlapping with a flame or combustion gas by pilot injection. This fuel injection control device includes a fuel injection device for directly injecting...
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JP5163530B2 |
To appropriately distribute the octane number of fuel in a combustion chamber according to an engine operating condition. A piston crown surface is formed with a projection 13 having a ridge line 14 extending in the direction perpendicul...
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JP5155198B2 |
A fuel injection system for an internal combustion engine is provided for providing an injection event including a first stage and a second stage via a single nozzle. The nozzle is connected by its inlet port to a source of variable fuel...
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JP5147519B2 |
A method is provided for operating an internal combustion piston engine, in which fuel is injected directly into a working chamber in the form of a pre-injection and main injection by means of an injection nozzle with a plurality of inje...
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JP2013024197A |
To provide a fuel injection control device of an internal combustion engine achieving compatibility between a reduction in noises and NOx and a reduction in PM contained in discharge air.The pressure of a fuel supplied to an injector 12 ...
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JP5112428B2 |
A nozzle assembly includes a first needle and a second needle controlling respectively fuel flow towards a first series of outlets and a second series of outlets. It includes a passive control valve adapted to select, on the basis of the...
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JP5079650B2 |
A fuel injection device characterized in that it comprises a fluid path to which high-pressure fluid is supplied externally, a spray hole which connects with said fluid path and sprays at least a portion of the high-pressure fluid, a bra...
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JP5067461B2 |
A fuel-injection condition detector includes a first approximate portion which approximates a plurality of fuel pressure values representing the descent pressure waveform or the ascent pressure waveform into a least-squares approximate l...
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JP2012177381A |
To suppress a cost increase of a fuel injection system.A fuel system for an engine is disclosed. The fuel system has a first source configured to pressurize fuel to a first pressure, and a second source configured to pressurize fuel to a...
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JP4996584B2 |
A fuel injector for use in an internal combustion engine, comprising a nozzle body (40) being provided with a nozzle bore (66) and at least one set of one or more outlets for fluid, an outer valve member (68) received within the nozzle b...
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JP4991839B2 |
A control method for a fuel injector having a piezoelectric stack (14) which is charged by means of a charge current (I charge ) and discharged by means of a discharge current (I discharge ) comprises determining a required separation ti...
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JP4983468B2 |
A controller (70) controls combustion in an internal combustion engine that injects a fuel having high self-ignitability into a cylinder during a compression stroke, in which a premixed gas formed from a fuel having low self-ignitability...
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JP4985546B2 |
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JP4930820B2 |
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JP4924533B2 |
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