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WO/2008/073702A2 |
Cold start and warm-up operations of an HCCI engine are improved through coordinated control of engine valves, fuel injection and spark timing.
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WO/2008/063854A1 |
A method for extending the low-load operation of a homogeneous charge compression ignition engine includes employing a valve actuation device creating a negative valve overlap, thereby trapping and recompressing combusted gases within a ...
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WO/2007/140138A2 |
The invention provides a method for operating a multi-cylinder, spark-ignition, direct-injection, four-stroke internal -combustion engine adapted to operate in a controlled auto-ignition mode selectively operative at stoichiometry and le...
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WO/2007/140132A2 |
A method to operate a multi-cylinder direct-injection engine in one of a controlled auto-ignition and a spark-ignition combustion mode is described. Engine operation and an operator torque request are monitored. Fuel delivery to a portio...
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WO/2007/063728A1 |
A cylinder injection spark ignition internal combustion engine performing stratified charge combustion by forming air-fuel mixture in a part of a cylinder by vaporizing fuel injected into the cylinder in compression stroke during flight ...
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WO/2007/050233A2 |
A powertrain, and a control method therefor, are provided, wherein ignition of a combustible charge in a combustion chamber of a controlled auto-ignition internal combustion engine equipped with in-cylinder fuel-injection and a spark ign...
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WO/2007/036213A1 |
Disclosed is a combustion engine comprising an injection device (1) for injecting a combustible fuel into a combustion chamber (2). In order to burn the fuel in an optimized manner to reduce consumption, said combustion engine is embodie...
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WO/2007/029782A1 |
A two-cycle engine (1) comprising an ignition device (8), an exhaust control valve (24), and a control device (40) for controlling the ignition device (8) and the exhaust control valve (24). The control device (40) controllably operates ...
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WO/2006/118698A2 |
The present invention relates to methods for robust controlled auto-ignition and spark ignited combustion controls in gasoline direct-injection engines, including transients, using either exhaust re-breathing or a combination of exhaust ...
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WO/2006/100821A1 |
An in-cylinder injector (110) injects a spray such that the spray spreads in an inverted V-shape with a spark plug lying between two prongs when viewed from above and in a fan shape when viewed from a side. On a top surface of a piston, ...
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WO/2006/096425A2 |
A method is provided for control of transition between combustion modes of a direct-injection engine operable in a homogeneous charge compression ignition (HCCI) mode at lower loads and a spark ignition flame propagation (Sl) mode at hig...
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WO/2006/079369A1 |
The invention relates to an internal combustion engine (1) comprising at least one cylinder (2) which is provided with a cylinder bore (2a) and in which a combustion chamber (4) is delimited between a piston (3) and a cylinder head (5), ...
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WO/2006/048128A1 |
The invention relates to an internal combustion engine (1) comprising at least one cylinder (2) which has a cylinder borehole (2a) and in which a combustion chamber (4) is defined between a piston (3) and a cylinder head (5); at least on...
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WO/2006/048134A1 |
The invention relates to an internal combustion engine (1) comprising: at least one cylinder (2) inside of which a combustion chamber (4) is delimited between a piston (3) and a cylinder head (5); a spark plug (7) placed inside the combu...
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WO/2006/048129A1 |
The invention relates to an internal combustion engine (1) comprising at least one cylinder (2) which has a cylinder borehole (2a) and in which a combustion chamber (4) is defined between a piston (3) and a cylinder head (5); at least on...
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WO/2006/017866A2 |
The invention relates to an internal combustion engine comprising a cylinder head (1) with at least one inlet port (4) and at least one injection device (6) per cylinder (2), which extends into the combustion chamber. In order to reduce ...
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WO/2006/017051A2 |
A combustion chamber for an internal combustion engine includes a closed end cylinder having an axis. A piston is reciprocable in the cylinder and includes a generally flat rim having an inner edge surrounding a recessed bowl into which ...
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WO/2006/009693A2 |
A compression ignition engine (60) has a control system (66) for processing data, one or more combustion chambers (62), and fuel injectors (64) for injecting fuel into the chambers. In a first embodiment, the control system controls fuel...
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WO/2006/002321A2 |
A compression ignition engine (20) has a control system (26) for processing data, one or more combustion chambers (22), and fuel injectors (24) for injecting fuel into the chambers (22). The control system (26) controls fueling using a r...
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WO/2005/124129A1 |
An engine start control system of an internal combustion engine in which eco-run control is performed. The system predicts a combustion stroke for each cylinder when the internal combustion engine is brought into an engine stall state by...
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WO/2005/121523A1 |
An in-cylinder injection, spark ignited internal combustion engine including a fuel injection valve spraying fuel substantially in a sector having a relatively small thickness and spreading substantially vertically to implement homogenou...
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WO/2005/113733A1 |
A method is disclosed for controlling exhaust emissions from direct injected homogeneous charge compression ignition engines by combusting therein a fuel having a cetane number equal to or less than 50, and aromatic content equal to or g...
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WO/2005/100767A1 |
The invention relates to a method for operating a spark-ignition internal combustion engine (10) with direct fuel injection. After a cold start of the internal combustion engine (10), a first amount of fuel is pre-injected (MH) into the ...
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WO/2005/098230A1 |
The invention relates to a method and installation for operating an internal combustion engine (8), which comprises a mixture chamber (16) into which fuel is injected by an injection device (24). A carrier gas which is capable of reactin...
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WO/2005/098226A1 |
The carburettor (1) includes a flow duct comprising rich (60) and lean (50) flow passages in parallel, through which, in use, air flows in a flow direction and which are separated by a substantially planar partition (30), at least one fu...
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WO/2005/095769A1 |
The invention relates to motor engineering. The inventive engine comprises a working cylinder (1) provided with a piston (2), a preignition chamber (6) provided with a spark plug (7) and a combustion chamber (5) which are connected to a ...
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WO/2005/078256A2 |
The invention relates to a direct injection spark-ignited internal combustion engine with jet-controlled combustion, which comprises at least one inlet and one outlet channel and one injection device (1) per cylinder (10).
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WO/2005/056992A1 |
The invention relates to a method of controlling a supercharged engine comprising at least one cylinder (10), at least one carbureted supercharged air intake valve (20), a non-carbureted supercharged air intake valve (28) and at least on...
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WO/2005/054641A1 |
A internal-combustion engine having at least two intake ports (3) at least one exhaust gas port (4) and at least one ignition device (14) per cylinder (1), and having a combustion chamber (1.1) into which combustion chamber the intake po...
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WO/2005/049988A1 |
The invention relates to a combustion method for a reciprocating engine which is adapted to operate with a high level of recirculated burnt gases. According to the invention, during the suction stroke of the piston, a gaseous mass is cre...
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WO/2005/047673A1 |
The invention relates to a method during which exhaust is retained inside the combustion chamber (7) of a combustion engine (1) and is compressed during a charge cycle, whereby a first quantity of fuel is injected into the retained exhau...
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WO/2005/040599A1 |
A method of optimizing mounting position of a direct injection fuel injector tip that can be used to minimize injector tip deposit formation of one or more selected internal combustion engine and direct injection fuel injector. The metho...
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WO/2005/038218A1 |
The invention relates to an internal combustion piston engine wherein a fuel mixture is fed to each combustion chamber, whereby fresh gas is fed through inlet channels (13) and combustion gases are discharged through outlet channels (14)...
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WO/2005/038210A1 |
Disclosed is a method for operating an internal combustion engine, wherein fuel is injected in a pre-injection and main injection process. According to the invention, pre-injection occurs in the intermediate compression stroke of the int...
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WO/2005/028829A1 |
An internal combustion engine has a collector from which a suction tube extends to an inlet of the cylinder of the internal combustion engine. Said suction tube comprises a gas inlet valve, disposed on the inlet of the cylinder, and a ga...
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WO/2005/019635A1 |
A two stroke engine (1, 101) with direct fuel injection is disclosed. Liquid fuel atomised in a carburetor (12) is supplied to an auxiliary chamber (30, 130) where the fuel particles are substantially evaporated before being injected (36...
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WO/2004/113705A1 |
At least one engine operating parameter other than total fuel energy content is taken into account when transitioning between operating modes in a dual fuel or other multimode engine (20) in order to maintain a smooth transition between ...
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WO/2004/099591A2 |
The invention relates to a method of controlling a heat engine (30) comprising: a combustion chamber (31); fuel injection means (51); oxidant (41) intake means (34, 35); exhaust means (43, 44) for the exhaust gases (50); and recycling me...
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WO/2004/090301A1 |
The invention relates to a self-igniting petrol internal combustion engine comprising at least one cylinder (1), a cylinder head (2) closing the cylinder (1), a piston (3) mounted in the cylinder (1) in a sliding manner, a combustion cha...
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WO/2004/090316A1 |
The invention relates to a petrol internal combustion engine with controlled ignition, comprising at least one cylinder (1), a cylinder head (2), sealing the cylinder (1), a piston (3), a combustion chamber (4), a petrol injection means ...
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WO/2004/074666A1 |
The invention relates to a method for operating a spark-ignition internal combustion engine, wherein the fuel can be directly distributed to the cylinders (8) by directly supplying it to a combustion chamber (7) and, additionally, via a ...
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WO/2004/059153A1 |
The invention relates to a direct-injection spark-ignition internal combustion engine comprising one injector (8) per cylinder (2) for injecting fuel into a combustion chamber (4). The injector (8) has an injection nozzle (11) comprising...
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WO/2004/036009A2 |
The invention concerns an internal combustion engine with at least an engine component, the engine component comprising a combustion chamber (4) for a fuel mixture including fuel and oxidant constituents provided with a compression syste...
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WO/2004/036012A2 |
The invention concerns an internal combustion engine with at least one engine component, the engine component comprising a combustion chamber (4) for a fuel mixture including fuel and oxidant constituents, a system for igniting the fuel ...
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WO/2004/029428A1 |
The invention relates to a method for operating an internal combustion engine with direct fuel injection. According to said method, air and a first quantity of fuel are supplied to a combustion chamber such that a homogeneous basic lean ...
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WO2002071308A9 |
Torque estimation techniques in the real-time basis for engine control and diagnostics applications using the measurement of crankshaft speed variation are disclosed. Two different torque estimation approaches are disclosed including Sto...
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WO/2003/106000A1 |
The invention relates to a catalytic converter system for a preferably lean-burning internal combustion engine, comprising a precatalytic converter device which is placed near the engine and an NOx storage catalytic converter which is di...
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WO/2003/100229A1 |
The invention relates to a two-stroke motor (1), in particular in a hand-held tool such as a power saw, a brush cutter or similar. Said motor comprises a cylinder (2) and a combustion chamber (3) that is configured in the cylinder (2). T...
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WO/2003/072934A1 |
In a side view of a cylinder (2) where an axis (3) of a cylinder bore (4) of an internal combustion engine (1) is aligned with the vertical line, an intake passage (15) is formed on one side of a cylinder head (6) and an exhaust passage ...
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WO/2003/072930A1 |
A fuel injection system (1) for internal combustion engines comprises a fuel injection valve (10) that projects into a combustion chamber (2), whereby the combustion chamber (2) is delimited by a cylinder wall (3) and by a cylinder head ...
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