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WO/2023/249840A1 |
An air shutoff valve includes a valve body having a portway configured to connect to an air intake of an engine, and a linear guide system disposed within the valve body. The air shutoff valve further includes a gate configured to ride a...
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WO/2023/223116A1 |
An assembly (100) to turn off one or more cylinders of an engine to reduce load from a crankshaft is disclosed. The assembly (100) includes one or more butterfly valves (104) of a pre-defined shape housed inside one or more corresponding...
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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/2023/119743A1 |
Provided is an engine system capable of increasing the temperature of a catalyst in a reforming device to an appropriate temperature, irrespective of the environment in which a combustion device is operated. This engine system (1) compri...
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WO/2023/108184A1 |
The invention relates to a method for operating a gas-powered internal combustion engine, wherein during a switched-on operating state of the internal combustion engine, an oxygen-containing gas, preferably air, is introduced during an i...
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WO/2023/104789A1 |
Method for controlling an internal combustion engine in a vehicle, an engine output shaft, a driven wheel that can be driven by the engine, and a transmission positioned between the engine output shaft and the driven wheel, the transmiss...
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WO/2023/059379A1 |
A classifier capable of predicting if cylinder valves of an engine commanded to activate or deactivate failed to activate or deactivate respectively. In various embodiments, the classifier can be binary or multi-class Logistic Regression...
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WO/2023/031629A1 |
A split cycle internal combustion engine comprising: a compression cylinder accommodating a compression piston configured to provide compressed working fluid; a combustion cylinder accommodating a combustion piston, wherein the combustio...
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WO/2023/010195A1 |
The invention relates to a system for managing the exhaust during the selective deactivation of cylinders (11-14) in an internal combustion engine (1), said engine comprising cylinders that are individually supplied with fuel, each of sa...
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WO/2022/254646A1 |
When an engine controller (5) is to start a fuel cut, the engine controller inhibits the fuel cut if release of a lockup clutch (9) is predicted after a predetermined period of time has elapsed. More specifically, the engine controller 5...
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WO/2022/224977A1 |
[Problem] To Provide a driving engine control system for a hybrid vehicle capable of improving fuel efficiency even in a high-speed region by using an engine and a motor together. [Solution] This driving engine control system for a hybri...
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WO/2022/204643A1 |
A variety of methods and arrangements are described for operating an engine in a skip fire manner so that engine requirements, such as exhaust temperature, exhaust flow, torque and NVH, are met.
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WO/2022/146500A1 |
Methods, systems, and devices for operating an internal combustion engine at a firing fraction that is less than a value of 1.0, wherein one or more cylinders of the internal combustion engine are not designated to be fired, determining ...
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WO/2022/125179A1 |
A system and method for transitioning a firing fraction of a variable displacement internal combustion engine when generating a desired torque output. During and following the transition to the second firing fraction, a combustion recipe...
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WO/2022/117223A1 |
A method of controlling a cylinder cut-out mode for an engine (40) comprising the steps of: a) activating a cylinder cut-out mode in an idling mode or when running with an engine load factor of less than a deactivation threshold value, t...
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WO/2022/093400A1 |
Engine controllers and control schemes are provided for managing engine state transitions requiring increased compressor pressure ratios in turbocharged engines operating in a cylinder output level modulation mode (e.g., skip fire, multi...
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WO/2022/046352A1 |
Methods, systems, and devices for particulate filter soot management for internal combustion engines are described herein. A method for particulate filter soot management for internal combustion engines includes determining a quantity of...
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WO/2022/015400A1 |
A system and method for controlling an internal combustion engine involving (1) cylinder trapping strategies where one of several pneumatic spring types are dynamically selected for cylinders based at least partially on a predicted numbe...
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WO/2022/010552A1 |
Engine controllers and control schemes that facilitate skip fire engine operation in conjunction with use power take-off devices are described. In one aspect, a skip fire mode is exited when the power take-off unit is engaged and the cur...
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WO/2021/262277A1 |
A skip fire engine controller is disclosed that commands an early direct-injection of fuel during a skipped working cycle in which a cylinder is not exhausted. With early direct injection, the fuel has more time to vaporize and mix with ...
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WO/2021/242228A1 |
A system includes an aftertreatment system heater of an exhaust aftertreatment system coupled to an engine. A controller coupled to the aftertreatment system heater is configured to determine a condition of an exhaust gas from an engine ...
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WO/2021/236246A1 |
A system and method for a variable displacement internal combustion engine using different types of pneumatic cylinder springs on skipped working cycles to control engine and aftertreatment system temperatures are described. The system a...
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WO/2021/195093A1 |
A method of controlling a skip-fire cylinder deactivation system of an engine system is provided. The method includes a controller deactivating a cylinder of the engine system to operate the engine system in a skip-fire mode. The method ...
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WO/2021/149114A1 |
The present invention pertains to a mobile unit and a movement method characterized in that a mobile unit such as a car, ship, construction machine, or robot repeats an operation of cutting off energy (gasoline, battery, etc.) to generat...
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WO/2021/150359A1 |
Systems and methods to extend a life of a component of a cylinder deactivation system are provided. A method includes generating, by a controller, an initial life factor for the component; initiating, by the controller, a CDA mode for an...
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WO/2021/124062A1 |
A method for producing liquefied gases includes providing an internal combustion engine (ICE; ICE'') with at least one cylinder (CY; CY'') and an exhaust manifold (EM; EM''), providing a flow circuit (EC; EC'; FC''), which includes the c...
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WO/2021/101716A1 |
A system for selectively activating and deactivating cylinders includes a first cylinder positioned in a cylinder block. A first intake or exhaust valve is coupled to the first cylinder and is actuated by a first coupling mechanism. A fi...
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WO/2021/079258A1 |
A combustion engine comprises combustion chambers (1-4) with reciprocating pistons (5), intake ports (6) and exhaust ports (7). Transfer ports (11,12) may be provided between adjacent combustion chambers to provide a transfer channel (15...
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WO/2021/075189A1 |
A control device (100) performs a process including: a step (S100) for estimating a deposit amount of NOx in a NSR catalyst; a step (S104) for acquiring an engine speed (Ne) and a fuel injection amount (Q) when the deposit amount is larg...
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WO/2021/065660A1 |
This air-leading type stratified scavenging two-cycle internal combustion engine is provided with an air passage 21 for supplying air to a scavenging passage 18 providing communication between a crank chamber 8 and a combustion chamber 6...
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WO/2021/049418A1 |
This construction machine is provided with: an actuator (60) that uses, as a driving source, pressure oil which is pressure-fed from hydraulic pumps (61, 62); a solenoid valve (67) serving as an inhibition device that inhibits driving of...
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WO/2021/044892A1 |
An engine control device (1) is provided with: a seat switch (18) for detecting the seated/non-seated state of a driver with respect to a driver's seat (21) of a forklift (2); a neutral switch (19) for detecting whether a direction lever...
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WO/2021/038807A1 |
This drive torque control method is applied upon switching of a vehicle from a driven state to a driving state, and involves: dividing, when a switching request is generated, a period until the backlash of a drive system gear is narrowed...
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WO/2021/032291A1 |
The invention relates to a method for operating an internal combustion engine system (1) comprising: an internal combustion engine (2) provided with a plurality of cylinders (31-36), each of which being provided with an air inlet valve (...
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WO/2021/032467A1 |
The invention relates to a method for operating a high-pressure pump (1) in a fuel system of an internal combustion engine, wherein a controllable electrical suction valve (3) is used for filling a pump element chamber (2) of the high-pr...
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WO/2021/028874A1 |
An airfoil performance monitor comprising a housing mounted on a low pressure face of an airfoil, and defining pitot and static pressure orifices; an airspeed-dependent sensor that senses airflow impinging on the pitot orifices and gener...
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WO/2021/026128A1 |
A method for delaying cylinder reactivation in a vehicle includes identifying, by a controller, a request to exit a cylinder deactivation state. The controller determines if the request is due to a transient condition. If the request is ...
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WO/2021/024186A1 |
An internal combustion engine comprises a plurality of cylinders, including at least one de-activatable cylinder having at least one deactivator assembly operatively connected to the at least one valve train for the de-activatable cylind...
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WO/2021/007103A1 |
A system for controlling operations of an engine comprises a plurality of cylinders and a controller operatively coupled to each of the plurality of cylinders. The controller is configured to determine an operating condition of the engin...
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WO/2021/001131A1 |
Disclosed is an engine control method for protecting the engine during reverse rotation, comprising the following steps: - when a first prediction (E3) of the engine speed at a next top dead centre is lower than a predetermined lower thr...
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WO/2020/215137A1 |
The present utility model relates to a carburettor anti-fire system, the format of which has been conceived and designed to ensure the safety of ultralight aircraft, preventing accidents resulting from the unintentional firing of the eng...
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WO/2020/210172A1 |
In one aspect, a skip fire engine controller is described. The skip fire engine controller includes a skip fire module arranged to determine an operational firing fraction and associated cylinder load for delivering a desired positive to...
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WO/2020/204928A1 |
Systems, apparatus, and methods are disclosed that include an internal combustion engine having a plurality of cylinders operable by a valve actuation mechanism. A cylinder deactivation operation is modified in response to determining a ...
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WO/2020/205073A1 |
A skip fire engine controller and method of control is described wherein during transitions from a first firing density to a second firing density, a firing density and a pumping density are separately set so as to balance the conflictin...
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WO/2020/173617A1 |
The invention relates to a method for operating a motor vehicle powertrain (1) comprising at least one electric machine (14) and an internal combustion engine (5), in which the internal combustion engine (5) comprises at least one first ...
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WO/2020/170634A1 |
A control device for hybrid vehicles that has a variable compression ratio mechanism in which an engine compression ratio can be changed between a first compression ratio and a second compression ratio by the explosive force of an engine...
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WO/2020/121713A1 |
Provided is a device for controlling a reducing agent supply device with which it is possible to minimize a delaying of the start of injection control of an aqueous solution of urea resulting from an instant decrease in battery voltage d...
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WO/2020/109204A1 |
Method for controlling a traction device for a motor vehicle comprising an internal combustion engine (1), the engine (1) comprising a plurality of cylinders (2, 3, 4), each provided with at least one air intake valve (22), with at least...
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WO/2020/100604A1 |
When an engine (10) is started, an ECU (40) determines whether the inside of the cylinder is in a wet concern state in which there is a great concern about fuel wetting, or the inside of the cylinder is in a floating droplet state in whi...
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WO/2020/095081A1 |
An internal combustion engine (1) for a vehicle is equipped with a variable compression ratio mechanism (2) capable of changing the mechanical compression ratio. An idle stop, which is for automatically stopping the internal combustion e...
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