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WO/2024/070732A1 |
In the present invention, a priority determination unit (513) determines, in accordance with an event, the priority of target-operation data, which is event-related operation data. A write unit (514) causes a storage unit to store the ta...
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WO/2024/069852A1 |
The present invention increases the accuracy of the calculation of an intake airflow rate. A vehicle control device according to the present invention has an airflow sensor that is provided in an air intake passage of an engine. The vehi...
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WO/2024/062150A1 |
The invention relates to a system (100) for controlling agricultural machinery from a tractor, which comprises an electronic control unit (101) with a microprocessor and a memory, located in the machinery, and a joystick-type control lev...
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WO/2024/052953A1 |
The present invention provides an electronic control device that is able to prevent valve opening failure of an injector when an abnormality occurs in a fuel pressure sensor that detects the pressure of a fuel supplied by the injector, a...
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WO/2024/047839A1 |
In the present invention, the oxygen storage capacity of a three-way catalyst (15) is estimated on the basis of an upstream-side exhaust air–fuel ratio (Fr A/F) (S1), and a target air–fuel ratio is controlled so that the estimated ox...
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WO/2024/042848A1 |
The present invention provides a combustion state detection device for an internal combustion engine whereby misfiring can be detected regardless of the fuel type. The combustion state detection device for an internal combustion engine c...
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WO/2024/034223A1 |
Provided is a diagnosis device for an internal combustion engine that, even where an existing internal combustion engine in which a cylinder internal pressure sensor is not installed or an internal combustion engine in which a cylinder i...
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WO/2024/032341A1 |
A torque control method, apparatus and system. The torque control method comprises: acquiring the output torque of an engine and a target output torque of the engine, and determining the difference value between the output torque of the ...
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WO/2024/023960A1 |
Provided is an internal combustion engine control device that can perform fuel cut control without any trouble on the basis of a signal from a crank angle sensor. An internal combustion engine control device (1) comprises an angular spee...
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WO/2024/019150A1 |
A multicylinder engine unit (1) of an independent throttle type or an unequal interval combustion type is provided with: a plurality of independent exhaust pipes (12A, 12B); an aggregate pipe (13) including a catalyst (132); a pre-cataly...
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WO/2024/016852A1 |
Provided are a method and apparatus for calculating a real-time torque of an engine, and a device and a readable storage medium. The method for calculating a real-time torque of an engine comprises: looking up a corresponding first torqu...
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WO/2024/018567A1 |
The problem addressed by the present invention is to obtain a control device for an internal combustion engine with which a value outputted by a flow rate sensor provided to an intake flow path of the internal combustion engine can be ap...
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WO/2024/004087A1 |
Provided is an abnormality determination device that reliably determines disengagement of an intake pressure sensor from an intake pipe. This abnormality determination device (6) is provided with: an acquisition unit (13) that acquires a...
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WO/2024/004082A1 |
A determination device and a determination method of the present invention allow a user to recognize the malfunction of a pressure differential sensor or the removal of an exhaust gas purifier component. The determination device includes...
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WO/2023/246647A1 |
Provided are a method, apparatus and device for predicting the temperature of a cooling system of an engine, and a medium, a vehicle, a computer program product and a computer program. The method comprises: acquiring a first temperature ...
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WO/2023/248462A1 |
This control device for internal combustion engine detects the flow rate of air sucked into the inside of an air intake passage, and estimates or detects the atmospheric pressure and temperature. The control device estimates the air inta...
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WO/2023/243035A1 |
Provided is a torque estimation device for internal combustion engines with which it is possible to accurately learn variation in output torque of internal combustion engines that is caused by individual differences in internal combustio...
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WO/2023/241682A1 |
A temperature prediction method for an engine cooling system, comprising: obtaining a first temperature of an engine cooling system at an initial moment, a working condition parameter of an engine, and a target moment, wherein the coolin...
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WO/2023/233888A1 |
The present subject matter particularly relates to a method and a control device (20) for determining a fuel type of a fuel to be injected into an internal combustion engine using a drive current of a fuel injector (5). The problem to be...
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WO/2023/228679A1 |
A control device (1) for an internal combustion engine comprises: a current information acquisition unit (11) that acquires current information from an electric motor connected to the internal combustion engine; and a fuel flow amount es...
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WO/2023/223621A1 |
This in-vehicle control device comprises: a cooling period setting unit that sets a timing prior to the start timing of a predicted knock occurrence period as the increasing timing of a cooling amount of a combustion room, and sets a tim...
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WO/2023/224044A1 |
This equipment diagnosis system for identifying an abnormality cause candidate on the basis of a state quantity of equipment comprises: an input device for receiving a state quantity; a diagnosis device for identifying, on the basis of t...
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WO/2023/209848A1 |
Provided is a device for correcting an output value of an air-fuel ratio sensor for an internal-combustion engine, the device comprising: a relational expression storage means 112 for storing a relational expression between an air-fuel r...
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WO/2023/209895A1 |
Provided is a four-stroke engine, wherein a control device: executes, by switching therebetween, a multi-injection control for controlling a fuel injection device so that closed intake valve injection in which the supply of fuel is termi...
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WO/2023/210553A1 |
The present invention provides a composition identification program, a composition identification device, and a composition identification system with which it is possible to identify the composition of a mixture composed of a plurality ...
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WO/2023/199532A1 |
Provided is a control device for an internal combustion engine that can accurately correct an error in detecting a crank angle. A control device (50) for an internal combustion engine corrects an angle interval (Δθd) or a time interval...
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WO/2023/199509A1 |
An internal combustion engine control device that controls a fuel injection amount on the basis of a flow amount of air flowing in a plurality of cylinders of a multi-cylinder internal combustion engine having an exhaust pipe in which ex...
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WO/2023/199508A1 |
This internal combustion engine control device integrates an oxygen storage amount stored by a three-dimensional catalyst in a period from an integration start position at which combustion gas of an internal combustion engine calculated ...
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WO/2023/188425A1 |
An in-vehicle temperature estimation device (30) is applied to an in-vehicle heating object (11) heated by energization. The in-vehicle temperature estimation device (30) has a power detection unit (20A) that detects supplied power (P) s...
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WO/2023/189968A1 |
Provided is a catalyst deterioration detection device that detects deterioration of a catalyst by appropriately making transitions between a lean state and a rich state, on the basis of an oxygen release amount and an oxygen storage amou...
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WO/2023/189299A1 |
An internal combustion engine (1) comprising: a cylinder (5) inside which a combustion chamber (3) is formed; a piston (7) that reciprocates within the cylinder (5); an intake port (9) for supplying air to the combustion chamber (3); a f...
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WO/2023/181292A1 |
Provided is an air-fuel ratio control device that can perform air-fuel ratio feedback control with a resistive oxygen sensor having high robustness. This air-fuel ratio control device comprises: a PD/PID control unit (49) and a PI contro...
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WO/2023/181209A1 |
Provided is an excess air ratio calculation device with which it is possible to reduce interruptions in a PID control when controlling the excess air ratio, thereby improving the control efficiency. This excess air ratio calculation de...
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WO/2023/175654A1 |
Provided is a catalyst deterioration analysis device capable of detecting the degree of deterioration of a catalyst of a catalyst converter by a single oxygen concentration sensor without hindrance. The catalyst deterioration analysis de...
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WO/2023/162544A1 |
The present invention makes it possible to take countermeasures against writing on a non-volatile memory over the limited number of times without causing function degradation of engine control. A computer determines a use upper limit val...
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WO/2023/162720A1 |
This internal combustion engine comprises: a combustion chamber to which a gaseous fuel containing hydrogen is supplied; an ignition device configured to ignite the gaseous fuel in the combustion chamber; and a control device which contr...
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WO/2023/162805A1 |
Provided are an engine knocking determination device and method for a divided chamber type engine for injecting flames from an auxiliary chamber into a main chamber for combustion therein, the engine knocking determination device compris...
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WO/2023/157593A1 |
A fuel MS unit (2) acquires, from a fleet MS unit (2), a remainder that is detected by a remainder sensor by sampling at a prescribed interval and sequentially calculates the average value of the most recently sampled remainder and the r...
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WO/2023/153365A1 |
The present invention provides a control device for internal combustion engine and a control method for the same which are capable of suppressing a worsening of emissions during fuel cutoff recovery. The control device for an internal ...
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WO/2023/152772A1 |
The invention discloses systems and methods for predicting and controlling lean blowout in combustion systems such as turbines, engines and combustors. The system 100 is configured to detect and predict time of occurrence of blowout usin...
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WO/2023/153318A1 |
This engine misfire detection device comprises: a misfire detection unit that detects a misfire state in at least one cylinder in an engine; a valid misfire determination unit that, when the misfire state is detected by the misfire detec...
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WO/2023/149117A1 |
In the present invention, a storage unit of a monitoring assistance system (6) stores first correlation information indicating the relationship between turbocharger efficiency and reference measurement values obtained by converting, to a...
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WO/2023/149285A1 |
A diagnostic device (1) for an exhaust gas aftertreatment device comprises: temperature detection devices (2) that detect filter inlet–side temperature and filter outlet–side temperature; a differential pressure detection device (3) ...
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WO/2023/145622A1 |
This engine control device comprises: an injection command unit for outputting a fuel injection quantity command value; a first calculating unit for outputting a fuel injection quantity obtained by an FB calculation based on an engine ro...
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WO/2023/139982A1 |
The objective of the present invention is to suppress a deterioration in exhaust gases and to improve availability in an electricity generating system configured from a plurality of engines capable of being supplied with renewable energy...
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WO/2023/139977A1 |
A data saving method comprising: a sign detection step for detecting a predetermined sign that an ignition power supply is about to be turned on in a vehicle in which data saving processing is being executed on a storage device; and a st...
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WO/2023/112637A1 |
[Problem] To provide an engine operation method which promotes mixing of an ammonia gas and air in a cylinder. [Solution] In the present invention, hydrogen gas that has been simultaneously supplied into the cylinder along with a fuel ga...
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WO/2023/105890A1 |
A hydrogen mixed-combustion electronic control device that controls the mixed ratio of hydrogen mixedly combusted in a combustion room of a hydrogen mixed-combustion engine having a first fuel supply device that supplies first fuel to th...
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WO/2023/106046A1 |
A vehicle monitoring device comprises a recurrence monitoring unit that monitors recurrence of an error, which occurred in an exhaust gas aftertreatment device, until a predetermined recurrence monitoring period elapses due to the elimin...
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WO/2023/105860A1 |
[Problem] To provide a diesel engine which makes it possible to simultaneously reduce NOx and PM. [Solution] A diesel engine 1 comprises an injector 15 for injecting fuel into an auxiliary combustion chamber 13 and is provided so as to f...
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