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JP3502285 |
To change the output gain of the AC component included in the ion current corresponding to the ion current amount for improving the detecting performance for the knobking of low and intermediate intensities which should be detected most ...
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JP2003343411 |
To provide a misfire detection device of an internal combustion engine capable of correctly determining combustion/misfire even when an increase zone of an ion current is not present due to monotonous decrease of the ion current superpos...
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JP3494389 |
PURPOSE: To provide a knocking detection equipment which outputs a stable detection signal with a small number of components, and can change the response characteristics of knocking detection, while maintaining the characteristics in an ...
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JP2003329514 |
To reduce a filter processing load in a signal processing unit used for a knocking detector used to detect the generation of a knock by analyzing a knock sensor signal.The signal processing unit is provided with a digital filter to which...
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JP2003322054 |
To provide a knock sensor mounting structure for an engine in which a knock sensor is mounted on the wall of a cylinder block furnished with a water jacket to admit flowing of a cooling water capable of accurately sensing knocking withou...
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JP2003322580 |
To provide a knocking sensor capable of improving the sensor output characteristic by increasing the load on a piezoelectric element without changing the size of itself.This knocking sensor 100 is a knocking sensor having a main body met...
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JP3489652 |
To provide a sensor which can control the movement of a valve stem even when the stem tends to freely move in the axial direction when the power supply to a solenoid that controls the movement on an exhaust gas returning device side, for...
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JP2003314424 |
To solve such a problem with a conventional combustion state detection device of an internal combustion engine that the cause of a trouble in a misfire cannot be estimated and a large number of man-hours are required for repair.This comb...
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JP2003314327 |
To improve pressure detecting accuracy of a pressure sensor by preventing the generation of fluctuation due to resonance of the intake air pressure led into the pressure sensor.Any one of a throttle body and an intake manifold is provide...
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JP2003314423 |
To solve such a problem with a conventional combustion state detection device that a misfire cannot be detected by an ion current generated successively to an exhaust stroke.This combustion state detection device of an internal combustio...
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JP2003297655 |
To provide an internal combustion engine igniter mounted to a cylinder head by integrating an ignition plug 2 with an ignition plug 3, wherein a connector terminal and a wire harness are not required for electrically connecting a low-vol...
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JP3483232 |
To provide a knocking detecting sensor in which an adequate airtightness of the casing is assured and which is constructed so as to execute easily wiring between a detecting element and a terminal. A knocking detecting sensor 1 is compos...
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JP2003293925 |
To avoid enlargement of the diameter of a case 1 and to prevent an output signal of a pressure detecting element 4 from being affected by a discharge noise, in an ignition device for an internal combustion engine where integrated ignitio...
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JP2003286932 |
To provide a knocking control device for an internal combustion engine corresponding to change of ion current quantity by correctly detecting fluctuation of the ion current quantity.Based on ion current intensity determined by an ion cur...
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JP3478025 |
To provide a method by which an internal combustion engine can be inspected quickly and surely for its assembled state. The pressures at an exhaust port 100 and in a surge tank 96 are respectively detected with pressure sensors 106 and 9...
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JP3477923 |
PURPOSE: To detect the combustion state of an internal combustion engine based on the ions produced through combustion of the internal combustion engine. CONSTITUTION: The combustion state detector 7 for an internal combustion engine com...
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JP2003279432 |
To detect precisely the collection quantity of particulates collected by a filter by detecting accurately the pressure loss of the filter without being influenced by exhaust pulsation of an engine in a control device of the particulate f...
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JP3475732 |
To provide a combustion state detecting device for an internal combustion engine to properly detect a combustion state, such as a fuel ignition timing and an ignition period, in a combustion chamber. A diesel engine 11 comprises a fuel i...
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JP3475840 |
To improve the output characteristics of a knock sensor and to reduce the number of parts. A ring-shaped insulation material 26, a ring-shaped terminal plate 27, a ring-shaped piezoelectric element 28, a ring-shaped terminal plate 29, an...
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JP2003269239 |
To provide an automatic sensing device for knocking of an internal- combustion engine which judges the knocking with high accuracy by enhancing the sensing performance and of sensing automatically the knocking without using any filter su...
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JP2003262153 |
To surely obtain a true cylinder pressure.This device is equipped with a cylinder pressure sensor 15 for outputting an output value according to the cylinder pressure, and a calculation means for calculating the cylinder pressure based o...
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JP3474810 |
To provide a combustion state detector of an internal combustion engine capable of satisfactorily identifying a specific cylinder and detecting the state of combustion such as knock occurrence and reducing the scale of a circuit. This de...
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JP3471034 |
PURPOSE: To easily perform adjustment of filtering and to prevent malfunctions due to mixing of noise by detecting knocking of an engine and by performing frequency analysis of the knocking signal, even if the frequency of the knocking f...
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JP2003249894 |
To provide a power distribution system which distributes power to at least one sensor and/or actuators connected to or integrated in an LCC (light communication channel).A power distribution system is provided comprising a power source, ...
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JP3459280 |
PURPOSE: To prevent a pressure sensor from having troubles by high temperature and further to enable a pressure within a gas turbine combustion device to be accurately measured. CONSTITUTION: A tip of a pressure guide pipe 12 is inserted...
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JP2003224520 |
To provide a voice-activated control system.A voice recognition program digitizes a voice command transmitted to an audio signal receiver such as a microphone and produces an address and a function corresponding to a component to which t...
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JP3456030 |
PURPOSE: To obtain an optical fiber cylinder internal pressure sensor for multi-cylinder internal pressure measurement which is adapted easily to various engines and various gaskets. CONSTITUTION: A head gasket 10 is provided with a supp...
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JP2003214247 |
To provide an integral photoelectron control system for IPCS (Integral Power Train Control System).This integral photoelectron control system comprises an integrated circuit for controlling at least one component or subsystem of an engin...
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JP2003194652 |
To provide a nonresonant knocking sensor in which components can be fixed by a proper pressing force, and also easy to assemble.A groove part 44 making a round of a body part 40 is formed on a peripheral wall 42 on the center part of the...
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JP2003194651 |
To provide an integrated LCC-using strain gage sensor corresponding to a severe environmental condition, for example, in an engine cylinder, in a combustion chamber, or in the periphery thereof.In this integrated strain gage sensor using...
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JP2003184628 |
To provide a failure determining device for atmospheric pressure detecting means, rationalizing failure diagnosis of the atmospheric pressure detecting means and improving the precision of the diagnosis.The failure determining device com...
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JP2003176751 |
To provide an internal combustion engine igniter which detects a detonation without using a high-cost circuit such as a bandpass filter, and controls ignition time for suppressing the detonation.In this igniter, outputs of combustion pre...
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JP2003161225 |
To provide a common rail type fuel injection system capable of improving accuracy in detecting common rail pressure by an ECU without increasing the yield of a common rail pressure sensor.Two common rail pressure sensors are installed in...
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JP2003162789 |
To provide an improved sensor.This sensor is provided with a data medium on which specific data of the sensor, such as type, measurement range, calibration date, serial number, manufacturer, etc., are stored. The data may be directly tra...
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JP2003161245 |
To accurately determine a combustion state of an internal combustion engine on the basis of an ion current detecting signal without shortening an A/D conversion period to eliminate the influence of noise.This device for determining a com...
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JP2003157951 |
To provide a plug cap and an ignition plug unit capable of suitably set a deriving length of a sensor output cable extending from an opening of a plug hole to an object to be connected when mounting a pressure sensor built-in type igniti...
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JP2003157950 |
To provide a plug cap and an ignition plug unit capable of optionally setting the taking out direction of a sensor output cable at an opening part of a plug hole when mounting a pressure sensor built-in type ignition plug to a cylinder h...
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JP2003156402 |
To provide a method for attaching a sensing device to a substrate maintaining a predetermined distance from the substrate.This method preferably has a step for preparing a flexible adhesive, a step for allowing a first layer (18) of the ...
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JP2003149067 |
To prevent dew from being formed inside a damping tube and to always precisely measure a pressure inside a combustor in a pressure measuring apparatus in the combustor which uses a connecting tube and the damping tube.In the pressure mea...
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JP2003138959 |
To provide a means capable of efficiently monitoring, in real time, the state of gas mixture in a cylinder, i.e., charge composition.This integrated engine combustion monitoring system for monitoring the composition of burnt matter, pres...
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JP2003121285 |
To provide a technique capable of correctly measuring pressure regardless of temperature variation of a pressure sensor by correcting an output error by the temperature variation of the pressure sensor, in a piezoelectric pressure sensor...
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JP3413739 |
To improve the reliability by providing multiply isolation amplifiers, A/D converters and arithmetic units and configuring the repeater so as to be normally in operation even when any component is faulty. An analog input is digitized by ...
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JP2003097340 |
To prevent mis-detection due to spit-back of an engine by enabling an intake pressure detection being excellent in stability and responsiveness and having high relativity with an actual intake quantity.During operation of the engine 3, a...
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JP2003097312 |
To provide a pressure sensor structure of a fuel injection engine in which accurate detection data is obtained by reducing noise.In this pressure sensor structure of the fuel injection engine, the fuel injection engine is mounted, togeth...
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JP2003090242 |
To reduce the number of part items, to reduce a time for assembly, in its turn so as to reduce a cost, in a knocking detector.This knocking detector 2 comprises: a support member 20; a detecting element 21 mounted thereon; a weight 24; a...
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JP3412350 |
To reconcile responsiveness and stability of a background value by obtaining a difference between an output signal of a knock sensor and a background value obtained in the previous processing at every ignition, and varying a moderating c...
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JP2003083153 |
To provide a sensitivity correcting method of a piezoelectric pressure sensor capable of reducing the variation of the detecting sensitivity generated in the piezoelectric pressure sensor caused by the change of a temperature, the deteri...
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JP2003083151 |
To provide an intake pressure detecting method of high stability and high response, capable of detecting the intake pressure with high correlation with the actual intake amount, and preventing the misdetection caused by blow- back of an ...
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JP2003077620 |
To prevent break of a piezoelectric element 70 by twisting and in fixing a holding member 80 for holding the piezoelectric element 70 to a housing 10.The holding member 80 is fixed to the housing 10 while a fixture 100 for energizing the...
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JP2003065098 |
To provide an engine performance diagnostics system capable of accurately diagnosing engine performance and accurately determining aging of engine performance and whether or not it is necessary to overhaul the engine.An engine 11 is prov...
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