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Matches 651 - 700 out of 3,194

Document Document Title
JP5464185B2  
JP5462745B2  
JP5456059B2  
JP5445601B2  
JP5431483B2  
JP5418259B2  
JP2014020317A
To enable a device to be simplified and downsized by eliminating a dedicated pump and piston for adjusting a pressure in a measurement chamber to a set pressure.When an inner pressure of a measurement chamber 11 is less than an inner pre...  
JP2014020287A
To improve detection accuracy of characteristics of an injector.A fuel injection control device 11 comprises a transistor (hereinafter, T0) on the downstream side of a coil 17 of an injector 15, comprises two transistors (hereinafter, T1...  
JP5392277B2  
JP2014005769A
To provide an abnormality diagnostic device capable of determining a defective property of fuel without using a property sensor.An abnormality diagnostic device comprises: static leak quantity estimation means S12 for estimating static l...  
JP5391121B2  
JP2013256894A
To provide a fuel pressure waveform acquisition device for extracting with high accuracy a pressure waveform caused by a target injection which is one of injections of a second stage or later of multistage injections, from waveforms dete...  
JP2013545919A
A piston fuel injector detecting device, comprising a base (1), a perspective platform (2), an observation cover (3), a sliding groove (4), an adjusting handle (5), a conducting wire column (6), a supporting plate (7), a tact switch (8),...  
JP5375848B2
To provide a fuel injection condition analyzing device to improve the arithmetic processing efficiency for the analysis of an injection condition. The fuel injection condition analyzing device is applied to a fuel injection system provid...  
JP5362039B2
In a method for determining a needle closing of a valve needle that is driven by a piezoactuator, a signal of a voltage present at the piezoactuator is measured and the needle closing is detected from a curve of the signal.  
JP2013241897A
To provide a characteristics obtaining method for a fuel injection valve for obtaining injecting characteristics with a higher degree of accuracy.A standard injection rate wave shape Ram is set at a reference point with different injecti...  
JP2013241904A
To achieve improvement in injection quantity adjustment accuracy and reduction in adjustment time in a method for adjusting the injection quantity of an injector.A method for adjusting the injection quantity of an injector is configured ...  
JP5358621B2
A method of controlling a fuel injection device (617) that can control a small amount of injection is provided. A fuel injection device (617) for use in an internal combustion engine, includes: a valve body (114) that can open and close ...  
JP2013238115A
To provide an electromagnetic driving valve control device capable of determining an open failure and a short failure of a regenerative diode provided in a driving circuit of an electromagnetic driving valve with a relatively simple stru...  
JP5348154B2
A defective-portion detector has a detecting portion which detects a variation in fuel pressure as a fuel pressure waveform based on a detection value of a fuel pressure sensor and a computing portion which computes, based on the fuel pr...  
JP5343877B2
To provide an injection abnormality detection device which can narrow down the portion of abnormality from a fuel injection valve which has caused injection abnormalities and identify it. The fuel injection system lifts a needle and inje...  
JP5330932B2
To provide a method of measuring atomization, precisely measuring an injection direction of a fluid injected from an injection system. A control unit 10 acquires an atomization cross-section image 40 formed on planar light 20 when inject...  
JP5327197B2
The detector (20) has a variation acquisition unit acquiring variation in relative injection rate of a fuel injected by a fuel injector (14), based on variation in pressure of fuel hermetically stored in a pressure tank (21). A conversio...  
JP5327198B2
The device has an output characteristic adjuster e.g. offset digital to analog converter, adjusting amplification factor used by a fuel pressure sensor (S1) for converting fuel pressure into a sensor signal and an offset potential for th...  
JP2013217277A
To easily calculate a fuel kinematic viscosity with a high reliability.An electronic control unit 4 calculates a modulus of volume elasticity K of fuel using a predetermined operational expression based on the magnitude of rail pressure ...  
JP5321606B2
To highly accurately control an injection state by using an injection ratio parameter corresponding to the current environmental condition, while preventing an increase in learning processing load of the injection ratio parameter. This f...  
JP5316447B2
To provide a method for manufacturing an injector in which a step of measuring the flow rate of a fuel injection valve (injector) is separated from an assembling step. The flow rate characteristic (fuel flow rate) of the injector at the ...  
JP5316196B2
The device has a fuel pipe (4) for supplying fuel in a storage part (1) into an injection valve (2). The injection valve injects the fuel supplied from the storage part into an internal combustion engine that is designed as a multi-cylin...  
JP5313846B2
To provide an abnormality diagnostic device of a pressure sensor and an accumulator fuel injection device, surely detecting abnormality of the pressure sensor equipped on a common rail without involving addition of parts even during oper...  
JP2013199838A
To enable generation of an injection rate waveform without a sensor even if an injection area of a fuel injection valve is changed.A plurality of injection rate waveforms are measured while a fuel pressure and an injection amount are cha...  
JP5301564B2
A method and an apparatus for testing the piston (2) of an injection pump of a pressure medium, the piston comprising a longitudinal groove (2b) that begins from its frontal face (2a) and extends on its side, and a screw-shaped guide edg...  
JP2013185478A
To provide an injection failure determination device for an internal combustion engine which can determine the presence/absence of an injection failure due to expansion of an injection hole, in a form including at least possibility of an...  
JP5293765B2
A first curve obtaining unit receives a fuel injection pressure curve and a fuel non-injection pressure curve related to the fuel injection states of a fuel injector (10-1). A transmission time calculation unit calculates the transmissio...  
JP5288049B2
The present invention addresses the problem, in a fuel injection control system for an internal combustion engine provided with a low-pressure fuel pump and a high-pressure fuel pump, of accurately detecting the breakdown of a fuel injec...  
JP5287839B2  
JP2013177824A
To provide a detection device for continued injection of fuel, the device capable of discriminating and detecting continued injection of fuel in a fuel injection valve among abnormal incidents of fuel leakage.A fuel injection system 50 i...  
JP2013163999A
To provide a fuel pressure waveform acquiring device intended to highly accurately extract a pressure waveform resulting from a target injection obtained from any injection after two-stage injection out of a multi-stage injection from a ...  
JP5267441B2
To provide a fuel injection device for an internal combustion that accurately estimates changes in an internal pressure of cylinder without providing a sensor for directly detecting the internal pressure of cylinder. The device directly ...  
JP2013155701A
To provide a fuel injection control device that can achieve control of fuel injection with high accuracy without being affected by individual differences of a fuel injection valve and secular degradation.A fuel injection control device f...  
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 ...  
JP5262948B2
An injector includes a nozzle body, a main body including a supply port on the outer peripheral surface of the main body and a high pressure passage, and a fuel pressure sensor on an outer peripheral surface of the main body to detect fu...  
JP5262933B2
A fuel injection apparatus that includes a body, a nozzle, a pressure control unit, and a physical quantity measurement unit. The body has a fuel inlet port and a high-pressure fuel passage that is communicated with the fuel inlet port. ...  
JP2013151867A
To provide a measuring device for an internal combustion capable of determining the presence or absence of a fuel attachment to an inner wall of a cylinder with ease compared to a prior art.A measuring device 10 for an internal combustio...  
JP5240283B2  
JPWO2011125371A1
噴射時間を基準インジェクタによる噴射時間 以上に延ばすことなく実燃料噴射量を目標燃 料噴射量に制御することができる燃料噴射制 御装置及び蓄圧式燃料噴射装置を提供す...  
JPWO2011125371A
A fuel injection control device and an accumulator fuel injection device which can control real fuel oil consumption to target fuel oil consumption without extending injection time more than injection time by a standard injector are prov...  
JP5223765B2  
JP5206660B2  
JP2012517556A5  
JP2013096335A
To provide a deposit detection method which can be applied to an existing device with a simple structure.An electronic control unit 4 is used for a common rail type fuel injection control apparatus which is used while setting common rail...  

Matches 651 - 700 out of 3,194