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WO/2019/174740A1 |
The invention relates to a method (100) for estimating a cylinder pressure (CP) in an internal combustion engine arrangement (10), the method comprising the steps of: initiating (110) an opening of a valve by an actuator during an expans...
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WO/2019/174706A1 |
The present invention relates to a method for controlling an internal combustion engine arrangement, which method comprises the steps of controlling an outlet valve to be arranged in an at least partial open position during a portion of ...
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WO/2019/174070A1 |
A compression ignition engine capable of combusting different fuels comprises a viscosity control system and a combustion control system. Further disclosed is a control method for such an engine. In the viscosity control system, it is de...
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WO/2019/161935A1 |
The invention relates to a method (100) for controlling a powertrain system (10) of a vehicle (1) during gear upshifting, said powertrain system comprising: an internal combustion engine system (11) comprising an internal combustion engi...
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WO/2019/165429A1 |
A system and method for improving the functioning of a turbocharged diesel engine equipped with a cylinder deactivation system includes detecting when the turbocharged diesel engine is at risk of compressor surge, and then delaying the i...
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WO/2019/158268A1 |
An engine system and valvetrain can comprise a rocker shaft combined with a first block, a first cylinder deactivation oil control valve in the first block, a second cylinder deactivation oil control valve in the first block. Also, a sec...
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WO/2019/158211A1 |
The present invention relates to an internal combustion engine arrangement (100, 00') comprising: a combustion cylinder provided with a reciprocating piston movable between a top dead center (TDC) and a bottom dead center (BDC) within th...
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WO/2019/151927A1 |
A compression release brake arrangement (1) is disclosed. The arrangement (1) comprises a control arrangement (5), a valve actuator assembly (7), a first conduit (9) arranged to connect the valve actuator assembly (7) to a pressure sourc...
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WO/2019/151928A1 |
A compression release brake arrangement (1) for an engine (3) is disclosed. The arrangement (1) comprises a valve actuator assembly (5) configured to, when activated, perform compression release braking of at least a first cylinder (7') ...
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WO/2019/149381A1 |
The present invention relates to a method for controlling lubrication of a connecting rod bearing of an internal combustion engine arrangement. The method comprises the steps of controlling an inlet valve to be maintained in the closed p...
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WO/2019/150172A1 |
The method of operating a two-stroke piston engine comprises the steps of determining at least one pressure difference value, which represents the difference between the cylinder pressure of one or more cylinders (1) at a predetermined c...
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WO/2019/142226A1 |
When an operation state switches from a first operation region A to a second operation region B, the valve timing of an intake valve and an exhaust valve is switched upon switching of the operation state from the first operation region A...
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WO/2019/138039A1 |
An overhead cam engine system comprises a rotating overhead exhaust cam rail comprising a plurality of exhaust lobes. A first switching roller finger follower actuates a first exhaust valve, and is configured to switch between a first li...
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WO/2019/134109A1 |
Provided is an electronic injection throttle valve, comprising a body (1), a throttle shaft (3) mounted on the body, an ECU board (7) and a motor (11). The ECU board (7) is arranged in an accommodating chamber of the body (1). An intake ...
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WO/2019/124431A1 |
Provided is a compression-end pressure control device (300) for controlling the supply amount of a working fluid in a variable compression device which increases the compression ratio of a combustion chamber (R1) as a result of a working...
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WO/2019/125355A1 |
An internal combustion engine system includes an engine with a plurality of pistons housed in respective ones of a plurality of cylinders, an air intake system to provide air to the plurality of cylinders through respective ones of a plu...
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WO/2019/120848A1 |
The invention relates to a method for operating a combustion engine, which has an internal combustion engine, which forms at least two combustion chambers, in which thermodynamic cycles can be performed during operation of the combustion...
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WO/2019/119666A1 |
A flexible cylinder engine (FCE) mode-based control method for variable-stroke reforming of high-octane-value fuels. An ECU connected to an engine controls the quantity of oil injected from a flexible cylinder oil injector (19) to a flex...
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WO/2019/125648A1 |
The present invention relates generally to improving the fuel efficiency of autonomous vehicles by operating either (1) at a first effective engine displacement that takes into account noise, vibration and harshness (NVH) when the vehicl...
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WO/2019/110048A1 |
The invention relates to a method for controlling an internal combustion engine comprising - a pinion starter for starting up the internal combustion engine; - a cylinder and a piston which runs in the cylinder which together delimit a w...
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WO/2019/110372A1 |
The invention relates to a method for operating an internal combustion engine (10) of a motor vehicle comprising at least one cylinder (18), at least one piston (24) accommodated movably in the cylinder (18), at least one inlet valve (34...
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WO/2019/113034A1 |
A rocker arm assembly operable in a first mode and a second mode selectively opens first and second engine valves based on rotation of a cam shaft having a first cam lobe and a second cam lobe. The rocker arm assembly includes a rocker s...
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WO/2019/105538A1 |
The present invention relates to a method for controlling an internal combustion engine arrangement (100). The internal combustion engine arrangement (100) comprises a combustion cylinder (102) and an inlet valve (106) arranged to be pos...
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WO/2019/106913A1 |
Provided are a variable valve control device, a variable valve control system, and a method for controlling a variable valve mechanism, wherein: an ECM (201) transmits, to a VTC control unit (202), a phase detection value (RA1) calculate...
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WO/2019/101649A1 |
The invention relates to an internal combustion engine for a motor vehicle, comprising at least one combustion chamber which can be supplied with air and fuel for operating the internal combustion engine, and comprising at least one gas ...
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WO/2019/099228A1 |
Using machine learning for misfire detection in a Dynamic firing level modulation controlled internal combustion engine is described. A neural network is used to calculate expected crank acceleration from various inputs, including the dy...
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WO/2019/094237A1 |
A control system and method utilize an exhaust oxygen (O2) sensor and a controller configured to operate a turbocharged engine in a scavenging mode, and while the operating the engine in the scavenging mode: command a target in-cylinder ...
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WO/2019/094318A1 |
A control system and method utilize an intake manifold absolute pressure (MAP) and an engine speed (RPM) sensor and a controller configured to obtain a model surface relating various measurements of the RPM sensor and valve overlap durat...
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WO/2019/094263A1 |
Techniques for setting a boost target for a turbocharged engine comprise (i) operating the engine in a scavenging mode such that opening of intake and exhaust valves of cylinders of the engine overlap and (ii) while transitioning the eng...
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WO/2019/069593A1 |
Provided are a valve timing control device and a valve timing control method capable of stabilizing control of valve timing when a locked state of a valve timing adjustment mechanism is released. The valve timing control device includes ...
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WO/2019/049577A1 |
The present invention is provided with an external EGR system, an intake-side variable valve mechanism and an exhaust-side variable valve mechanism, wherein when an internal combustion engine is in a low-load region, the flow rate of an ...
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WO/2019/050463A1 |
The invention relates to an internal combustion engine comprising a set of combustion chambers, each combustion chamber (2) being provided with a controllable intake valve (7) configured for opening and closing an intake port (8), a cont...
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WO/2019/050464A1 |
The invention relates to an internal combustion engine comprising a set of combustion chambers, each combustion chamber (2) being provided with a controllable intake valve (7) configured for opening and closing an intake port (8), a cont...
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WO/2019/043860A1 |
This internal combustion engine (1) comprises: a variable compression ratio mechanism (2) which varies the mechanical compression ratio; and a variable valve timing mechanism (7) which varies the valve timing of the intake valve (4). If ...
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WO/2019/040860A1 |
A method of operating a rocker arm assembly in a cylinder deactivation mode according to one example of the present disclosure includes providing a two-step variable valve lift rocker arm assembly and a deactivating lash adjuster. Operat...
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WO/2019/040733A1 |
An exhaust valve rocker arm assembly operable in a combustion engine mode and an engine braking mode, the exhaust valve rocker arm assembly selectively opening first and second exhaust valves and including a rocker shaft, exhaust valve r...
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WO/2019/039554A1 |
When a geometric compression ratio of an engine body (2) is set to 13 or more and the engine body is operating in a preset high load region, an effective compression ratio of the engine body is set to 12 or more and within a range having...
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WO/2019/038490A1 |
The invention relates mainly to a method for operating a combustion engine (10) comprising: ㆍ – a step of operating the combustion engine (10) in a nominal mode whereby an overlap between the intake valves (19) and the exhaust valves...
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WO/2019/036272A1 |
An exhaust valve rocker arm for an exhaust valve rocker arm assembly operable in a combustion engine drive mode and an engine braking mode, and configured to selectively open first and second exhaust valves, includes a body defining an a...
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WO/2019/035312A1 |
The present invention is provided with: an intake-side variable valve mechanism 1A which controls the phase of opening/closing timings of an intake valve 4; and an exhaust-side variable valve mechanism 1B which controls the phase of open...
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WO/2019/028424A1 |
Systems and methods for managing excessive intake flow path pressure and counter flow are implemented to support enhanced engine braking applications, such as 2-stroke or 1.5-stroke engine braking implementations where the intake flow pa...
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WO/2019/028428A1 |
Systems and methods for managing excessive intake flow path pressure and counter flow are implemented to support enhanced engine braking applications, such as 2-stroke or 1.5-stroke engine braking implementations where the intake flow pa...
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WO/2019/010472A1 |
A valvetrain that includes an electronic device and a rocker arm assembly and is suitable for an internal combustion engine that includes a combustion chamber, a moveable valve having a seat formed within the combustion chamber, and a ca...
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WO/2019/008781A1 |
[Problem] Stratified charge combustion in which fuel is injected into a conventional combustion chamber exhibits the problem that the fuel cannot be efficiently and reliably collected in the vicinity of an ignition portion of the combust...
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WO/2019/003326A1 |
An internal-combustion engine (1) includes a variable compression ratio mechanism (2) for changing a mechanical compression ratio, and a variable valve timing mechanism (7) for changing the valve timing of an intake valve (4). When accel...
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WO/2018/235023A1 |
A method for jumping cylinder deactivation ("CDA") modes to avoid a primary powertrain resonant frequency in a six-cylinder diesel engine-powered machine comprises operating an engine between an idled condition and a first engine speed l...
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WO/2018/236392A1 |
An internal combustion engine system includes an engine with a plurality of pistons housed in respective ones of a plurality of cylinders, an air intake system to provide air to the plurality of cylinders through respective ones of a plu...
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WO/2018/224019A1 |
Disclosed are a control strategy for a continuously variable valve lift mechanism, a device, and a non-volatile computer storage medium. The control strategy comprises: after an engine is powered on, the continuously variable valve lift ...
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WO/2018/223804A1 |
Disclosed is a valve actuation system with variable modes, which system belongs to the fields of engine valve actuation, cylinder deactivation and auxiliary braking. The system comprises an exhaust brake cam (101), an exhaust drive cam (...
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WO/2018/221511A1 |
A compression ignition engine is provided with: a first fuel supply unit 19 that supplies naphtha; a second fuel supply unit 18 that supplies diesel fuel; EGR gas recirculation units 51, 51a that recirculate exhaust gas to a combustion c...
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