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JP6597535B2 |
An ECU as a valve body operation estimation device includes a sampling unit that obtains at least one of voltage and current of the electromagnetic coil as sample values at intervals of a predetermined time in a sampling period set based...
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JP6572840B2 |
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JP6569611B2 |
A characteristic determining device is provided which determines fuel injection characteristics of a plurality of fuel injectors for an internal combustion engine. The characteristic determining device includes a pressure sensor and a pl...
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JP6561493B2 |
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JP6555093B2 |
To provide a fuel injection state estimation device which can accurately detect a variation amount of fuel pressure which is changed by objective fuel injection, even with fuel injected immediately before.A fuel injection state estimatio...
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JP2019116891A |
To provide a correction method for static flow rate deviation of GDI injector and its system for use in correcting a fuel injection amount deviation between cylinders at GDI engine.A correction method for static flow rate deviation of GD...
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JP6544292B2 |
A fuel injection control device has a conduction time calculation unit (S12), a setting unit (S14, S15), a conduction control unit (S16), a detection unit (54), an estimation unit (55), and a changing unit (S47). The conduction time calc...
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JP2019109067A |
To provide a displacement detection device which enables increase in detection accuracy of a displacement amount of a member to be detected.A displacement detection device 1 capable of detecting displacement of a valve member 30 relative...
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JP6521725B2 |
To provide a control device of a fuel injection valve capable of accurately determining the presence or absence of seating of a valve element disposed in the fuel injection valve.A control device of a fuel injection valve includes drivin...
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JP6522423B2 |
A method for operating a marine diesel engine, in particular a marine diesel engine operated with heavy fuel oil, wherein with injectors (1) of a fuel supply system, in particular of a common rail fuel supply system, fuel is injected int...
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JP6516386B2 |
A fuel injector includes a needle that can move between an entirely open position and a closed position is provided with a device for identifying the position of the needle, in which an electrical circuit is closed in the two extreme pos...
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JP6515777B2 |
To appropriately control injection of an injector.A fuel injection device 100 includes: an injector 100 for injecting fuel; a temperature determination section 50; and a correction section 50. The injector 10 includes a magnetic sensor 4...
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JP6513368B2 |
The present invention relates to an engine control unit (16) of an internal combustion engine which is especially operated by diesel fuel, heavy fuel, or gas. The internal combustion engine has a fuel supply system, and specifically a co...
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JP6514361B2 |
A device (1) for measuring the injection rate dm(t)/dt of an injection valve (2) for a fluid (4a), wherein m(t) is the injection quantity of the fluid (4a) as a function of the time (t), having a measurement volume (3) which is closed of...
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JP6512167B2 |
A fuel injection control device includes a conduction time calculation unit (S14), a detection unit (54), an estimation unit (55), a correction unit (S13), a sudden change determination unit (S41, S41a), and a reflection speed setting un...
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JP6506587B2 |
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JP2019060279A |
To provide a controller of an internal combustion engine capable of accurately estimating a life of an injector.A controller of an internal combustion engine is configured to inject, from an injector, fuel to which pressure is applied. T...
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JP6498000B2 |
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JP6497283B2 |
A data analyzer for analyzing characterization data to form fuel injection control, including a data obtainer that obtains data from a detection signal of a sensor as a time-series data that changes over time. The data analyzer further i...
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JP6498293B2 |
An injector, for injecting a fuel fluid into an intake manifold or into a combustion chamber of a cylinder of an internal combustion engine, includes an electromagnetic actuator that includes a magnetic circuit. The magnetic circuit incl...
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JP2019507281A |
The fuel injector comprises a head portion configured to provide an electrical connection from or to the ECU to actuate or stop the pulsation of the fuel injector by selectively actuating the actuator. A fuel supply connection for supply...
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JP6478973B2 |
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JP6465066B2 |
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JP6451539B2 |
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JP6445927B2 |
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JP6441923B2 |
A fuel injector includes fixed metal components, in particular an injector body, a solenoid actuator equipped with a retaining spring that holds a control valve stem, a control valve body including a seat for the control valve stem, a sp...
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JP6431385B2 |
A signal transmitting unit that makes up a fuel injection valve includes a first signal transmitting member a distal end of which is connected to a sensor, and a second signal transmitting member a proximal end of which is connected to a...
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JP2018184926A |
To provide a fuel injection device capable of accurately detecting displacement of a needle when being mounted on an engine.A fuel injection device 10 includes a permanent magnet 61, a first magnetic detection part 62, a second magnetic ...
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JP6416674B2 |
A control device includes a difference calculating unit configured to generate a difference waveform composed of the difference between a normal operation waveform, which is a voltage waveform of the fuel injection valve at a time that t...
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JP6410788B2 |
A method and system for reducing cycle to cycle variation of an engine is provided. The system may determine fuel injection characteristics and predict a gas burning rate or flame speed based on the fuel injection characteristics. The sy...
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JP6406126B2 |
To provide a fuel injection control device which can detect a connection abnormality.A fuel injection control device 10 comprises: common terminals COM1 to COM4 which are electrically connected to one-side ends of fuel injection valves I...
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JP2018155187A |
To provide a technology preferable for estimating the force of a spring energizing a valve body of an injector in a close direction.An injector 5 is equipped with a spring 18 applying force in a close direction on a valve body 14, and a ...
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JP6398631B2 |
To provide a fuel injection state acquisition apparatus capable of highly accurately acquiring a correlation between an output of an internal combustion engine and a fuel injection quantity.Provided is a fuel injection state acquisition ...
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JP6388946B2 |
A method for determining at least one injection parameter of an internal combustion engine, including the following steps: detecting a pressure profile in a time-resolved manner in an injection system of an internal combustion engine at ...
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JP2018135891A |
To provide an injection control device capable of suppressing a variation in the injection amount by accurately calculating a valve opening start timing for a fuel injection valve.An injection control device 100 includes a current detect...
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JP2018131935A |
To accurately capture valve opening timing even in a high-responsiveness fuel injection valve, in a solenoid valve drive device configured to control drive of the fuel injection valve.A solenoid valve drive device 1 includes: a fuel inje...
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JP6373367B2 |
A method for determining a start of injection of an injector of an internal combustion engine, including the following steps: time-resolved detecting of an individual storage pressure curve in a measurement interval; determining a test i...
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JP6365399B2 |
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JP6367724B2 |
To provide a displacement detection device that detects a displacement of a measuring object housed in a casing without changing the design of the casing or while suppressing the design change of the casing. A displacement detection devi...
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JP2018112086A |
To accurately detect an operation timing for an injection valve without stopping the operation of a booster circuit.An injection control device 10 for controlling the drive of solenoid valves 11-14 includes a booster circuit 17, voltage ...
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JP6356754B2 |
A control system for an internal combustion engine, which is capable of controlling fuel injection valves while causing valve-closing delay time periods, which occur with the valves actually mounted on the engine, to be reflected thereon...
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JP2018105246A |
To contribute to the improvement of a variation of an actual injection amount.A fluid injection device injects fluid in a nozzle chamber from an injector having a body in which an injection hole is formed, a needle for opening and closin...
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JP6350237B2 |
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JP6347362B2 |
To provide an injector failure diagnosis method and an injector failure diagnosis device capable of detecting a state in which fuel cannot be injected from an injector due to fixation, clogging or the like of the injector.An injector fai...
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JP6344851B2 |
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JP2018514694A |
A header for the fuel injector, which can be connected to the fuel injector main body, so that the header measures one or more parameters of the fuel injector when using the fuel injector. Includes a sensor formed in.
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JP6337098B2 |
Because the relationship of the fuel injection quantity to a designated injection period differs in a half-lift region and a full-lift region, the purpose of the present invention is to bring the flow rate characteristics of an intermedi...
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JP2018084171A |
To make operation of a fuel injection valve appropriate, and thus to appropriately control a fuel injection amount.A current detection circuit for detecting a driving current of a fuel injection valve is provided in an ECU. When a valve ...
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JP6335070B2 |
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JP2018062858A |
To provide an injector abnormality determination device and an injector abnormality determination method capable of determining abnormality of an injector with high accuracy.An ECU 30 which functions as an injector abnormality determinat...
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