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WO/2011/028283A1 |
An embodiment of the invention provides an apparatus for fuel injection that permits efficient combustion. In one embodiment, the apparatus includes: a fuel injector including an injector needle; a fuel injection passage having a fuel in...
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WO/2011/022821A1 |
An injection valve for injecting fuel into a working chamber of an internal combustion engine includes a valve seat on the working chamber and a valve needle movable relative to the valve seat between a closed position and an open positi...
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WO/2011/022600A2 |
An internal combustion engine can include a combustion volume within a cylinder of an internal combustion engine. The combustion volume can be defined at least by a cylinder wall and a first piston in the cylinder. A swirl port can deliv...
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WO/2011/008414A1 |
Inventive embodiments are directed to components, subassemblies, systems, and/or methods for internal combustion engines and in particularly for diesel engines having prechamber combustion systems. In one embodiment, a combustion system ...
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WO/2011/005234A1 |
The present invention relates to a combustion chamber of internal combustion engines employed in automobiles, tractors, vessels, heavy duty vehicles and stationary power engines in respect of increasing their performance and economic fac...
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WO/2010/142389A1 |
The invention relates to a piston (1) of a diesel internal combustion engine which piston is produced of a light-metal material, especially of aluminum or an aluminum alloy, and which comprises a piston top (2) that has a combustion bowl...
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WO/2010/131555A1 |
Provided are a control device and a control method for a compressed self-ignition type internal combustion engine, wherein if the air-fuel ratio varies during a compressed self-ignition type combustion, the torque variation caused by an ...
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WO/2010/130675A1 |
An internal combustion engine, in particular a gas engine, is proposed, which is equipped with a laser ignition device (27) and in which the combustion chamber (14) has a substantially point-symmetric shape at the time of ignition.
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WO/2010/128227A1 |
The invention relates to a system for controlling the supercharging of an internal combustion engine (1) provided with a supercharging device including two turbochargers (5, 6) connected in series, including an arbitration means suitable...
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WO/2010/119977A1 |
In order to improve the thermal efficiency of an engine, a film which has a low thermal conductivity and a low thermal capacity, and is excellent in durability and reliability, i.e., which does not peel or detach, is supplied to an engin...
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WO/2010/112276A1 |
The invention relates to a piston (10) for an internal combustion engine, particularly of a motor vehicle, having a piston crown (11). According to the invention, a target element (15) for laser radiation (20a) of a laser-based ignition ...
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WO/2010/097475A1 |
The invention relates to a piston (100) for an internal combustion engine. The piston has a surface on the combustion side (110) wherein a depression (130) having a depression edge (140) and a depression floor (132) is arranged in the su...
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WO/2010/084831A1 |
The compression ratio of an engine which has a mushroom valve provided to a combustion chamber portion expanded to the outside of a main cylinder is increased, and the temperature of an exhaust mushroom valve is made low. In a piston eng...
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WO/2010/081491A1 |
The present invention relates to a diesel combustion engine, which comprises at least one or more cylinders (2), each having a displacement of approximately 250 ccm at the most, preferably less than 250 ccm, wherein a cylinder (2) compri...
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WO/2010/079846A1 |
Disclosed is an internal combustion engine wherein ammonia supplied to a combustion chamber (5) is ignited by an ignition device provided in the combustion chamber (5). At least one plasma jet spark plug (6) for discharging a plasma jet ...
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WO/2010/063048A1 |
The invention relates to a two-cycle combustion engine, comprising at least one cylinder (1) accommodating a piston (2) and provided with a cylinder head, comprising a crankcase (10) which is in fluid connection with the cylinder (1) by ...
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WO/2010/063613A1 |
The invention specifies an internal combustion engine comprising at least one combustion chamber (15) with an inlet (18) which can be closed off by an inlet valve (17) and upstream of which is connected an air intake duct (21), comprisin...
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WO/2010/061974A1 |
The engine (1) has a combustion chamber (4) defined by wall surfaces (5 and 20) of the cylinder bore (3) and the top surface (24) of a piston (9) that reciprocates in the cylinder bore (3) between an upper dead point and a lower dead poi...
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WO/2010/035285A2 |
The subject matter described herein is directed to a cylinder head assembly (115) for a compression-ignition engine (100). The cylinder head assembly (115) includes a cylinder head (125) having a combustion bowl (410). A combustion chamb...
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WO/2010/027238A2 |
The present invention relates to a reciprocating piston engine and to method for operating same, wherein a fuel explosion device operates when a piston reaches an orthogonal position between a connecting rod and a crankshaft or a positio...
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WO/2010/024705A1 |
The invention relates to heat power engineering. The inventive power plant comprises a device (2) for producing a compressed gas mixture for a gas turbine which is connected to an electric generator (3). Said device (2) for producing a c...
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WO/2010/017442A1 |
An integrally cast four-stroke engine mono-block includes integrally cast cylinder block, cylinder head, and portion of a crankcase including crankcase outboard and inboard walls. At least parts of outer and inner bearing bosses are inte...
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WO/2010/003398A1 |
The present invention relates to an inlay part (10, 110) for a piston of an internal combustion engine, wherein the piston has a piston head (21, 121) which is provided with a piston crown (22) which has a combustion depression (23), wit...
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WO/2010/001498A1 |
A two-crank type internal-combustion engine increases the geometric compression rate within a cylinder twice or more in an angle at which a moment arm of a crank becomes maximum to improve the rotation torque and output of an engine comp...
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WO/2009/136614A1 |
The objective is to improve efficiency during low load or high‑speed rotation of an engine. The engine has a secondary cylinder (2) and a valve body (6) that can slide inside the secondary cylinder (2). The slidable valve body (6) cont...
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WO/2009/134854A2 |
A method for controlling an internal combustion engine includes monitoring an engine operating state and selectively operating the engine in a multiple-injection, multiple-ignition combustion mode comprising three injection events based ...
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WO/2009/134834A2 |
A method for controlling a homogeneous-charge compression-ignition capable engine, operating with spray-guided spark ignition stratified combustion at low load, includes monitoring a speed of the engine, monitoring a load of the engine, ...
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WO/2009/129075A1 |
A method for diagnosing combustion within a direct-injection, internal combustion engine including a plurality of combustion chambers and operative lean of stoichiometry includes monitoring combustion in the combustion chambers and estim...
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WO/2009/127003A1 |
A combustion engine wherein said engine includes a cylinder chamber, a cylindrical piston adapted to move up and down within a defined passageway provided for by said cylinder chamber. The piston is characterised in having at one end of ...
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WO/2009/121230A1 |
A combustion chamber structure of engine, the combustion chamber wall in the cylinder head (1) is composed of the ellipsoidal recess and the spheric recess, which the ellipsoidal recess and the spheric recess intersect upward and downwar...
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WO/2009/120128A1 |
The invention concerns a heat exchanger, such as a water cooled charge air cooler (WCCAC), for cooling of charge air with the aid of coolant. The heat exchanger comprises charge air tubes and coolant turbulators (10) made of corrugated s...
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WO/2009/113692A1 |
A multiple discharge plasma apparatus is provided with a plurality of discharge apparatuses arranged on at least one of the members each of which has an electrode exposed in a combustion chamber and configures the combustion chamber; an ...
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WO/2009/113688A1 |
A gasket of an internal combustion engine comprises: a discharge line which is installed in an intermediate layer, which has an outer end exposed from the outer peripheral edge of the gasket to form a first connection part and an inner e...
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WO/2009/114576A1 |
Transitioning between combustion modes includes an intermediate combustion mode. Transitions are controlled in accordance with a preferred fuel mass and permissible fuel mass ranges corresponding to changing intake airflow.
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WO/2009/113518A1 |
In a direct fuel-injection engine including a pent roof type piston having, at any position in the circumferential direction, a cavity with a uniform cross sectional shape including the central axis (Lp) of the piston, the cavity (25) be...
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WO/2009/113689A1 |
Provided is an after-treatment device for exhaust gases immediately downstream of a combustion chamber, which device comprises a discharge unit disposed in a cylinder head and having electrodes exposed to an exhaust port, an antenna disp...
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WO/2009/113693A1 |
Provided is a plasma device using a cylinder head, which comprises a discharge device mounted in a cylinder head and having an electrode exposed to a combustion chamber, an antenna disposed to protrude from the cylinder head into the com...
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WO/2009/112170A1 |
The present invention relates to a method for operating a piston engine (1), in particular in a motor vehicle, in which fuel for combustion is injected directly into a cylindrical combustion chamber (5) of a cylinder (3) of the piston en...
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WO/2009/102744A1 |
A spark-ignition direct-injection internal combustion engine is controlled at low loads through split fuel injections and spark discharges including one injection and spark during a negative valve overlap period and another injection and...
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WO/2009/101318A1 |
The invention relates to a direct‑injection internal combustion engine (10) comprising at least one cylinder (12), one combustion chamber (14) and one injection device (34) able to inject the fuel towards a combustion bowl (24), charac...
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WO/2009/101341A1 |
The invention relates to a direct‑injection internal combustion engine (10), characterized in that it comprises an injection device (30) of the engine (10) comprising at least one ultrasonic injector (32) able to inject fuel into a com...
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WO/2009/099816A2 |
The disclosure sets forth operating a spark-ignition, direct- fuel injection internal combustion engine, including transitioning the engine from operating in a stratified charge combustion mode to operating in a homogeneous charge combus...
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WO/2009/095573A1 |
The invention relates to a thermal engine (10) for an automobile, including a block (12) with a cylinder head (14), in which is formed a cylinder (16) in which at least one piston (18) is movably mounted, wherein the cylinder head (14), ...
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WO/2009/086187A2 |
The method for operating a piston engine system that includes modifying valve timing such that the gas displaced from the piston chamber is at a pressure and temperature nearly equivalent to the temperature and pressure at the end of the...
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WO/2009/081765A1 |
A direct fuel-injection engine equipped with a pent-roof type piston, wherein the cross-section shape, the central axis (Lp) of the piston included, of a cavity recessed in the center of the piston having the height of the top surface ch...
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WO/2009/079725A1 |
An internal combustion engine of the four- stroke combustion engine type is disclosed, comprising an engine block provided with at least one cylinder (2) having a piston movable reciprocally therein for the purpose of bounding a combusti...
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WO/2009/077487A1 |
The invention relates to a piston (3) for an internal combustion engine, in particular a diesel engine, that comprises a body defined laterally by a skirt capable of interaction with the walls of a cylinder having a revolution axis C in ...
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WO/2009/078119A1 |
A diesel engine (1) injects fuel into a combustion chamber (6) from a fuel injection valve (5) to generate sprays (7) in the combustion chamber (6). The axis L1 of the fuel injection valve (5) is offset outward in the radial direction of...
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WO/2009/077506A1 |
The invention relates to a piston (3) for an internal combustion engine, particularly for a diesel engine, comprising a body delimited laterally by a skirt (31) and able to collaborate with the walls of a cylinder (1) of axis of revoluti...
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WO/2009/077491A1 |
The invention relates to a piston (3) for an internal combustion engine, particularly for a diesel engine, comprising a body delimited laterally by a skirt and able to collaborate with the walls of a cylinder of axis of revolution C in w...
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