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WO/2023/230344A1 |
A control system for an internal combustion engine includes a temperature sensor configured to measure an exhaust temperature from a cylinder of the internal combustion engine, a NOx sensor configured to measure an exhaust NOx amount fro...
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WO/2023/173155A1 |
The invention relates to a method for operating an internal combustion engine (1) in which exhaust gas is recirculated, at least in one operating range, via at least one EGR valve (18) and at least one exhaust gas recirculation line (6),...
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WO/2023/078969A1 |
The invention relates to a method for purging a canister of an internal combustion engine of a motor vehicle that is equipped with at least one exhaust gas recirculation system at the intake, which method comprises the following steps: -...
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WO/2023/060336A1 |
The invention relates to a method for controlling the pressure and/or temperature inside the cylinder at the time of combustion initiation for all types of internal combustion engines, while maintaining near-stoichiometric fuel-to-oxidan...
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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/2023/001407A1 |
An exhaust gas recirculation includes a Roots-type device including a pair of intermeshed rotors and an input shaft, the Roots-type device having an inlet for receiving exhaust gases from an internal combustion engine and having an outle...
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WO/2023/286453A1 |
A gas engine system (1A) according to an embodiment comprises: a hydrogen gas engine (4) including a crankcase (41) and a valve chamber (44) in communication with the crankcase (41); and a gas supply device (7) that supplies, to the valv...
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WO/2022/260852A1 |
In one aspect, a method (300) for controlling an internal combustion engine system (10) including an exhaust gas recirculation (EGR) valve (30) and a variable-geometry turbocharger (VGT) (38) having a compressor (22) and a turbine (40) i...
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WO/2022/249395A1 |
In the present invention, a target EGR rate that will be the combustion fluctuation limit is searched and determined when an operating condition (load and rotation speed) of an internal combustion engine (1) is within an EGR area. A samp...
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WO/2022/245617A1 |
A method for controlling an internal combustion engine system (10) including an intake valve (26), an exhaust gas recirculation (EGR) valve (30), and a variable-geometry turbocharger (VGT) (38) includes receiving sensor information (102,...
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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/2022/219765A1 |
A first output limit value (P1) is determined as a point of intersection between a knocking limit output line (L1) corresponding to an exhaust recirculation quantity and an ignition period and an exhaust temperature limit output line (L2...
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WO/2022/196654A1 |
A hybrid system according to the present invention, which has, as a power source, an engine 1 that uses natural gas as fuel and a motor 50 that is driven by electric power, comprises a turbo charger 14 provided to the engine, a reforming...
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WO/2022/196651A1 |
This engine system comprises: an electric turbocharger 14; an exhaust shutter valve 26 provided on an exhaust passage 4 on a downstream side of the turbocharger; a low-pressure EGR passage 5 having one end connected to the exhaust passag...
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WO/2022/074957A1 |
An electronic control device for controlling an engine provided with: an EGR system having an EGR pipe and an EGR valve arranged in the EGR pipe; an airflow sensor provided to the intake pipe; a throttle valve on the downstream side of t...
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WO/2022/014407A1 |
This internal combustion engine is provided with: a supercharger turbine provided in an exhaust passage through which exhaust gas generated from an internal combustion engine body flows; an EGR device for causing part of the exhaust gas ...
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WO/2022/014388A1 |
This control device comprises: a mode determination unit 122 that determines whether a control mode of an internal combustion engine is a temperature rise control mode and a normal control mode; an intake amount estimation unit 123 that ...
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WO/2021/245436A1 |
An internal combustion engine (1) comprises: an exhaust recirculation device having an exhaust recirculation control valve (9); a crank angle sensor (11) for detecting illustrated average effective pressure volatility (cPi), which is an ...
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WO/2021/240412A1 |
The present invention relates to a process for controlling flow characteristics of the electromechanical valve, comprising steps of: a) mounting an electromechanical valve on the end of line (EOL) station that is a combination of computi...
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WO/2021/204314A1 |
The invention, which relates to a power generation system (1) and to a method for controlling the rotational speed of a drive unit in a power generation system (1), addresses the problem of providing a solution by means of which the rota...
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WO/2021/199411A1 |
This EGR estimation method for an internal combustion engine 1 estimates the EGR rate in intake/exhaust gas systems 10, 20 of the internal combustion engine 1, including an intake gas system 10 and an exhaust gas system 20, the intake/ex...
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WO/2021/187085A1 |
According to the present invention, a vehicle (MV) is provided with a reforming catalyst (CT) for generating hydrogen through a fuel reforming reaction at a position on the midway in an EGR flow passage that re-circulates exhaust gas tow...
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WO/2021/177020A1 |
This ammonia engine is provided with: an engine body having a first cylinder and a second cylinder; an air supply part for supplying air to each of the first cylinder and the second cylinder; and an ammonia supply part for supplying ammo...
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WO/2021/167593A1 |
A system is provided. The system includes a controller communicatively coupled to an industrial combustion engine and an exhaust gas recirculation (EGR) system, wherein the EGR system is configured to route exhaust gas generated by the i...
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WO/2021/107931A1 |
A recycling loop configuration of an exhaust gas aftertreatment system decreases a level of system-out NOx emissions of an engine. An apparatus including the configuration has an exhaust gas recycling system having a closed gas recycling...
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WO/2021/095250A1 |
According to the present invention, a controller: calculates a provisional EGR rate Rp, which is a provisional value of a current EGR rate, when a transition from execution to non-execution of EGR occurs while a vehicle is decelerating; ...
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WO/2021/044178A1 |
This EGR control apparatus is provided with: an EGR valve that is provided to an EGR passage for circulating a part of an exhaust gas of an exhaust pipe as an EGR gas through a suction pipe and that adjusts the EGR gas amount flowing thr...
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WO/2021/002240A1 |
The objective of the present invention is to provide an internal combustion engine control device capable of appropriately correcting the flow rate of EGR gas. To this end, an internal combustion engine control device 20 is provided with...
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WO/2021/001669A1 |
An EGR system is provided, and an air intake passage is filled with an EGR gas when the internal combustion engine has temporarily stopped. When a prescribed restart condition is fulfilled after the internal combustion engine has stopped...
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WO/2021/001670A1 |
The present invention discloses a control method for an internal combustion engine in which exhaust gas after combustion is circulated inside a cylinder as EGR gas. The control method involves determining whether a fuel cut condition has...
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WO/2020/250589A1 |
This internal combustion engine (10) is configured to comprise: an abnormality determination device that determines whether any one of a plurality of sensors required for controlling a flowrate ratio adjustment valve (14A) is abnormal or...
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WO/2020/235218A1 |
Provided is an internal combustion engine control device for controlling an engine by detecting combustion characteristics in a manner robust against disturbance such as noises and with a simple configuration. To this end, an internal co...
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WO/2020/214920A1 |
Systems, apparatuses, and methods include a controller structured to receive information indicative of a temperature of exhaust gas emitted from an engine operating at an engine speed, determine the temperature of the exhaust gas is belo...
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WO/2020/195248A1 |
An engine control device (50) controls an engine provided with an EGR device. The engine control device (50) is provided with an abnormality determining unit (55), a restricted operation unit (56), and a restriction released operation un...
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WO/2020/170652A1 |
A control device (100) comprises a wall temperature acquisition unit (110) that acquires a wall temperature of an internal combustion engine (200), a wall temperature adjustment unit (120) that adjusts the wall temperature, and a proport...
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WO/2020/170647A1 |
This energy recovery device is provided with a supercharger (20), a power turbine electricity generator (30), and a control device (50). The power turbine electricity generator (30) is provided in an electricity generating line (12), and...
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WO/2020/050291A1 |
A compressor protection device comprising an exhaust air recirculation passage 35, a valve 37 provided in the exhaust air recirculation passage 35, an accelerator position sensor 39, a turbo rotation speed sensor 40, and an electronic co...
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WO/2020/021876A1 |
In the present invention, a supercharger (5) is provided at an intake path (2) and an exhaust path (3), an electronic throttle device (6) is provided at the intake path (2) downstream of a compressor (5a), a purge path (35) is connected ...
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WO/2019/239987A1 |
An engine (1) is provided with: a main engine (10) which starts in response to an air pressure; an intake passageway (20) for guiding air to the main engine (10); an exhaust turbine supercharger (40) which supercharges the air flowing th...
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WO/2019/216135A1 |
While an internal combustion engine is running, a gas component is detected from natural gas, which is a vaporized form of liquefied natural gas supplied to a cylinder of the internal combustion engine, and if the proportion of the metha...
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WO/2019/211980A1 |
An injector (21) of an internal combustion engine control device (20) can inject fuel into an engine combustion chamber. An oxidation promoter supply unit (22) can supply an oxidation promoter into the combustion chamber. An accelerator ...
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WO/2019/198320A1 |
Provided are a novel internal combustion engine control device and a control method therefor that, in an internal combustion engine comprising a variable phase valve timing mechanism, can accurately produce a target torque of the interna...
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WO/2019/181292A1 |
This internal combustion engine control device improves anti-knock properties in the operation of an internal combustion engine which uses both a scavenging mode and a low-pressure EGR mode. For this purpose, the internal combustion engi...
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WO/2019/172357A1 |
This exhaust purification device is provided with: an exhaust pipe through which exhaust gas generated from an internal combustion engine flows; a NOx selective reduction-type catalyst which is disposed in the exhaust pipe and which puri...
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WO/2019/171671A1 |
This engine system is provided with: an engine (1); an intake passageway (2); an exhaust passageway (3); an electronic throttle device (6); a low-pressure loop supercharger (5); an EGR device (21) including an EGR valve (23); a fresh air...
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WO/2019/157581A1 |
The invention relates to an engine configuration and a method associated with an internal combustion engine (1), which is connected to the intake line (3) and exhaust gas line (4), having an EGR line (11) for exhaust gas recirculation (A...
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WO/2019/148533A1 |
Provided is a combustion-supporting oil-economizing device for a gasoline engine. The device comprises: an air inlet filter screen (1) provided with a grid-type air inlet structure (11); a reinforcing support rod (10) fixed on the air in...
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WO/2019/139923A1 |
This invention provides a method and system for simultaneously increasing fuel efficiency and reducing pollutant emissions by introducing oxygen-enriched air, achieved by either removing nitrogen or adding oxygen, into the intake system ...
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WO/2019/125442A1 |
One embodiment is a system comprising an engine including a dedicated EGR cylinder configured to provide EGR to the engine via an EGR loop, a non-dedicated cylinder, a plurality of injectors structured to inject fuel into the dedicated E...
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WO/2019/123129A1 |
A method for controlling an engine involves an engine control unit determining that a three-stage heat release in a cylinder in the engine should be performed. Responsive to the determination that the three-stage heat release will not oc...
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