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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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WO/2023/100497A1 |
Provided is an internal combustion engine control device capable of estimating a combustion state of the internal combustion engine even without using a detection result from an in-cylinder sensor. An internal combustion engine control...
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WO/2023/100294A1 |
A processor (CPU) of a control device (ECU 27) for an internal combustion engine sets, for each rotation speed of the internal combustion engine, at least one crank angle for transient state determination that indicates the timing for de...
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WO/2023/090218A1 |
This reciprocating engine system comprises: a reciprocating engine that has a cylinder which forms a combustion chamber, a piston which reciprocates within the cylinder, an ammonia fuel supply device which supplies gaseous ammonia to the...
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WO/2023/090279A1 |
This control device for an engine provided with a fuel supply system capable of supplying liquefied natural gas to the engine as fuel comprises: a control unit for calculating a feedback adjustment value on the basis of a deviation betwe...
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WO/2023/089811A1 |
A processor (CPU40e) of a control device (ECU0) for an internal combustion engine identifies a first throttle valve opening degree θA and a second throttle valve opening degree θB at which there is a change in the rate of change (diffe...
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WO/2023/084997A1 |
A crankshaft phase measuring device according to an embodiment of the present invention measures a phase of a crankshaft having a plurality of throw portions, and comprises a plurality of measuring portions for measuring the phase of eac...
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WO/2023/084692A1 |
A fuel reforming device (40) is provided with: an anode electrode (41A) and a cathode electrode (42A) arranged inside a second fuel pipe (15) between a fuel tank (60) and a fuel injection device (20); and a plasma power supply (43) elect...
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WO/2023/079791A1 |
This control device is for controlling an internal combustion engine. The internal combustion engine is provided with: a three-way catalyst disposed in an exhaust flow passage; an upstream exhaust gas sensor disposed upstream of the thre...
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WO/2023/074030A1 |
Provided is a catalyst degradation diagnosing device capable of detecting a degree of degradation of a catalyst without any problem, using one oxygen concentration sensor. The catalyst degradation diagnosing device comprises: a downstrea...
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WO/2023/068274A1 |
Provided are an engine control device and a vehicle with which the methane number of LNG fuel can be estimated. The engine control device is capable of using liquefied natural gas as fuel, and is provided with an acquisition unit that ac...
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WO/2023/068267A1 |
Provided are: a fuel property determination device capable of allowing a user to recognize a change in fuel property with more appropriate timing; and a vehicle. This fuel property determination device determines components of liquefied ...
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WO/2023/063305A1 |
[Problem] To provide a combustion state diagnosis system capable of diagnosing the combustion state of an internal combustion engine without detecting the rotational angle of a crank. [Solution] A storage unit 11, when ignition is execut...
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WO/2023/062174A1 |
The invention relates to a method for operating a hybrid drive (1000), which comprises - an internal combustion prime mover (1200), which has an internal combustion engine (1210), and - an electric machine (1400), to which a converter (1...
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WO/2023/063304A1 |
[Problem] To provide a combustion state diagnosis system that can diagnose the combustion state of an internal combustion engine without detecting the rotation angle of a crank. [Solution] A storage unit 11 stores various combinations of...
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WO/2023/063279A1 |
This engine control device, for controlling an engine with a supercharger, is provided with: a parameter acquisition unit configured to acquire a first parameter relating to the engine operation state; an insufficient air supply determin...
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WO/2023/048080A1 |
The present invention comprises: a main combustion chamber; an auxiliary chamber; an auxiliary chamber fuel supply line that supplies a fuel gas to the auxiliary chamber; an auxiliary chamber fuel flow rate adjustment valve that is capab...
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WO/2023/037558A1 |
An engine 1 can use alcohol fuel or a mixed fuel obtained by mixing alcohol fuel with hydrocarbon fuel, and a control device 30 comprises: an engine temperature sensor 36 that detects the temperature Teng of the engine 1; an outside air ...
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WO/2023/012965A1 |
This controller of an internal combustion engine, comprising a combustion chamber, a discharge passage for discharging a discharge gas from the combustion chamber, and a catalyst provided in the discharge passage, is provided with an in-...
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WO/2023/007604A1 |
A multi-cylinder engine misfire detection device (20) detects a misfire state in which any of a plurality of cylinders (2a, 2b) in an engine (1), which has the plurality of cylinders (2a, 2b) and a catalyst device (9) for purifying exhau...
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WO/2023/007533A1 |
An internal combustion engine (1) is controlled such that speed fluctuations do not exceed a combustion stability limit. The combustion stability limit changes in accordance with the road surface vibration of a vehicle, which vibrates un...
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WO/2023/002751A1 |
The present invention provides a hybrid vehicle control device that determines whether an opening malfunction exists in an EGR valve and, immediately before switching from an EV mode to a series mode, executes a pre-run in which an engin...
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WO/2023/286300A1 |
An ECU is provided with a processing device that repeatedly executes air volume calculation processing for estimating the flow rate of intake air. The processing device acquires a detection value from a flow rate sensor and causes a stor...
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WO/2023/286302A1 |
At a first timing, this control device (re-acceleration prediction function) predicts whether or not there is a request to accelerate a vehicle at each predetermined time of a time period from the first timing to a second timing, and sto...
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WO/2022/038983A9 |
A fuel meter (10) uses a residual amount sensor (11) to detect the residual amount of fuel every 100 ms, and successively calculates an average value of the residual amount in the present detection and the residual amounts in the past pr...
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WO/2023/276245A1 |
An internal combustion engine control device provided with: a valve closing time calculation unit; a valve closing delay time difference calculation unit for calculating a difference in valve closing delay times by normalizing a pluralit...
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WO/2023/276460A1 |
An engine diagnosis system (1) is provided with: a data collection device (11) that collects data relating to an operating situation of an engine E or an engine starting device ST; a data relay device (12) that processes the collected da...
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WO/2022/264795A1 |
This methane number estimation device estimates a methane number of gas fuel supplied to a gas engine of interest, and is provided with: a first association information acquisition unit that acquires first association information in whic...
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WO/2022/264482A1 |
Provided is a control device for an internal combustion engine, the control device being capable of enabling the operation of the internal combustion engine under a condition where the dilution degree is close to a limit. A processor (...
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WO/2022/264513A1 |
This internal combustion engine control device comprises: a rotation speed calculation unit that calculates the crank rotation speed of an engine; an extremum timing calculation unit that calculates an extremum timing of the crank rotati...
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WO/2022/259771A1 |
s electronic control device for mixed hydrogen combustion comprises: a combustion timing detection unit that detects the combustion timing of an engine; an abnormal state detection unit that detects an abnormal state, in which a type of ...
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WO/2022/255442A1 |
This misfire detecting device for an internal combustion engine having a plurality of cylinders, for detecting a misfire of the internal combustion engine, is provided with: a pulsation component acquiring unit for performing a frequency...
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WO/2022/249612A1 |
According to the present invention, during control of a variable valve timing mechanism capable of using rotational output of a motor to change the rotational phase of a cam shaft with respect to a crank shaft of an internal combustion e...
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WO/2022/244448A1 |
Each of a vehicle (1A) and a plurality of vehicles (1B) includes sensors (4) that detect the combustion state of fuel in an engine (3). A server (23) includes a memory (232) in which a trained model for engine control is stored. The trai...
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WO/2022/239673A1 |
Provided is a control device that, when the operation state of an engine in a hybrid system is switched from a lean operation L to a stoichiometric operation S, temporarily switches from the lean operation L to a rich operation R before ...
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WO/2022/239446A1 |
Provided is a purge valve driving control device that is able to detect abnormality using an existing circuit as much as possible while ensuring resolution and accuracy in detecting a solenoid resistance value. A solenoid 1a has one en...
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WO/2022/239506A1 |
An exhaust processing device (6) is provided with a processing housing (61) and a catalyst unit (62). Exhaust from an engine (1) that uses a methane-containing gas as fuel is introduced into the processing housing (61). The catalyst unit...
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WO/2022/230531A1 |
A diagnosis apparatus 22 acquires a detection result of a first sensor apparatus 20a located in a first movable part 14a located on an upstream side of a power transmission path. The diagnosis apparatus 22 acquires a detection result of ...
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WO/2022/230310A1 |
An ECU equipped with a state determination unit for determining a change in the state of an engine, and an intake valve phase change unit for outputting an instruction in order to change the phase of the intake valve on the basis of the ...
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WO/2022/224516A1 |
Processors (B705, B706) of a control device for an internal combustion engine 1 calculate, from the crank angle detected by a crank angle sensor 20, a first combustion timing (MFB50) or a first combustion period (IG100_1) in a cylinder o...
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WO/2022/219952A1 |
The internal combustion engine control device comprises a combustion state estimation unit that estimates the combustion state of an engine on the basis of a first in-cylinder pressure acquired near the ignition timing and a second in-cy...
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WO/2022/219766A1 |
According to the present invention, an internal combustion engine (1) is a spark ignition-type internal combustion engine provided with a turbocharger (2) and an exhaust recirculation device, and the internal combustion engine operates w...
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WO/2022/219908A1 |
This internal combustion engine control device is provided with a rotational speed converting unit, a maximum rotational speed detecting unit, a combustion center of gravity estimating unit, and a deviation calculating unit. The deviatio...
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WO/2022/209452A1 |
In a fuel-injection control device and a fuel-injection control method according to the present invention, in a high-load region of an internal combustion engine having a fuel-injection device for injecting fuel into an intake port, when...
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WO/2022/208577A1 |
This engine control device is capable of changing a mechanical compression ratio, and is provided with main combustion chamber injection means (1, 3) that supply fuel to a main combustion chamber (8); and an auxiliary chamber injection m...
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WO/2022/208576A1 |
The engine control device according to the present invention is provided with a variable valve mechanism (30), and comprises: main combustion chamber injection means (1, 3) for supplying fuel to a main combustion chamber (8); and an auxi...
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