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Matches 401 - 450 out of 13,916

Document Document Title
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...  
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), ...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
WO/2009/079347A2
A method to manage and control engine operation includes injecting an initial mass of fuel into a combustion chamber to form a combustion charge, monitoring combustion and injecting a main mass of fuel into the combustion chamber substan...  
WO/2009/077507A1
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 ...  
WO/2009/079347A3
A method to manage and control engine operation includes injecting an initial mass of fuel into a combustion chamber to form a combustion charge, monitoring combustion and injecting a main mass of fuel into the combustion chamber substan...  
WO/2009/077493A1
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...  
WO/2009/075055A1
A diesel engine (1) in which fuels (5a, 5b) are injected from fuel injection valves (6a, 6b) into a combustion chamber (4). The fuel injection valves (6a, 6b) are arranged such that they are, in a plan view, horizontally opposed to each ...  
WO/2009/075054A1
Provided is a reciprocal engine which can reduce particulates by employing the homogeneous charge compression ignition method and activating initial combustion by means of high pressure ignition. The reciprocal engine comprises a piston ...  
WO/2009/068582A1
The disclosure relates to a piston crown comprising a face and a piston bowl recessed within the face. The piston bowl comprises an entry side a bottom side opposite the entry side, a restriction between the entry side and the bottom sid...  
WO/2009/067495A2
A combustion method, which is mainly for internal combustion engines, either compression ignition or spark ignition, or mixed-mode engines using both compression ignition and spark ignition. The said combustion method utilizes a variable...  
WO/2009/067495A3
A combustion method, which is mainly for internal combustion engines, either compression ignition or spark ignition, or mixed-mode engines using both compression ignition and spark ignition. The said combustion method utilizes a variable...  
WO/2009/064028A1
Disclosed is an internal combustion engine (100) comprising an intake valve (31) for opening/closing an intake port (30), a valve-timing adjusting device (200) for adjusting the valve timing of the intake valve (31), and a discharge unit...  
WO/2009/058055A1
A combustion chamber (7) in an engine (1) comprising with a piston (3), an injector (13) with plurality of orifices arranged to inject spray/ flame plumes, which impinge on a piston outer bowl section during most of the injection. Betwee...  
WO/2009/054154A1
The bottom surface of a cylinder head (3) defining a combustion chamber (1) is formed in a generally spherical shell shape. Three or more ignition points (21) are positioned on the concentric circle having a diameter of 55-70% of the dia...  
WO/2009/054249A1
Protrusions (31a) are equiangularly radially formed, in a plan view, on a tapered surface of a land section (31) formed at the bottom surface of a cavity (C) in the top of a piston (30). Each protrusion (31a) is provided such that the di...  
WO/2009/049817A1
The invention relates to a method for operating a spark-ignition, direct-injection internal combustion engine, in which method fuel is injected into a combustion chamber (1) of the internal combustion engine by means of an injector (4) a...  
WO/2009/044225A1
The invention represents a method of mixing in a combustion chamber of a spark-ignition direct-injection stratified charge internal combustion engine a fuel-air mixture being ignited by a spark plug (5), the method comprising: the inject...  
WO/2009/045641A1
A diesel combustion system with a re-entrant piston bowl utilizes momentum interaction with the bowl at multiple locations to cause recirculation of the partially burned fuel and combustion products in a toroidal flow so as to consume so...  
WO/2009/041085A1
A direct injection internal combustion engine in which current velocity of gas in the vicinity of firing part of an ignition plug is controlled, and mixture gas suitable for ignition can stay for a long time. In the direct injection inte...  
WO/2009/038044A1
A diesel engine in which a lubrication oil on the wall surface of the cylinder liner is prevented from being burned and diluted, and a smoke resulting from the local lack of air in the combustion chamber is also prevented from being gene...  
WO/2009/022218A3
A piston (1) includes a cavity (5) defined by a curved recessed portion (5a) formed on a crown surface in a manner such that a surface of the curved recessed portion extends along a tumble flow produced during an intake stroke, and a wea...  
WO/2009/022218A2
A piston (1) includes a cavity (5) defined by a curved recessed portion (5a) formed on a crown surface in a manner such that a surface of the curved recessed portion extends along a tumble flow produced during an intake stroke, and a wea...  
WO/2009/020206A1
A base constituting a combustion chamber has a thin film for heat insulation formed on a wall surface facing the combustion chamber. The thin film comprises a first heat-insulating material and a second heat-insulating material. The seco...  
WO/2009/014475A1
The invention concerns a heat exchanger (23) and a method of producing thereof. The heat exchanger (23) comprises a coolant housing with two opposing wide side walls and two header plates of an inlet air tank (21) and an outlet air tank ...  
WO/2009/008521A1
Provided is a practical diesel engine using plasma formed by a microwave irradiation. In a compressed ignition internal combustion engine, in which a fuel is injected by an injector into a fuel chamber containing a compressed oxidization...  
WO/2009/004838A1
To provide an in-cylinder injection type internal combustion engine of spray guide combustion system in which the combustion performance can be sufficiently maintained with less fuel by collecting the fuel spray injected from a fuel inje...  
WO/2009/000420A1
The invention relates to a piston for an internal combustion engine having a piston basic body (18) which is connected non-releasably to a further component (16) which faces an associated combustion chamber (14), wherein the further comp...  
WO/2008/155064A1
The invention relates to an internal combustion engine comprising a piston (1) that can move back and forth in a longitudinal direction in an internal combustion chamber and at least one valve, located in an end face of the internal comb...  
WO/2008/145151A1
A large two-stroke diesel engine is provided with a common rail fuel injection system that includes at least two not interconnected fuel rails. Each of the fuel rails is connected to a source of high pressure fuel. Each of the cylinders ...  
WO/2008/126508A1
In a gasoline engine comprising an exhaust valve, an intake valve and an ignition plug and performing one of spark ignition and premixed compression ignition depending on the operation region, the ion current detection method for detecti...  
WO/2008/126771A1
In a section where a squish area (SA) has a large width (W2) but a squish clearance (C2) is small so that the squish flow from the outer circumference of a piston (13) toward a cavity (25) is high, the collision angle (α2), at which a f...  
WO/2008/121202A1
The present disclosure provides an engine (10, 310) operating method and high power density internal combustion engine (10, 310), including an engine housing (12, 312) with a plurality of cylinders (14, 314). Fuel injectors (16, 1 166, 2...  
WO/2008/115523A2
In an internal combustion engine adapted to combust alcohol blend fuels (i.e., fuels containing greater than 20% alcohol by volume), a dilute combustion mixture (e.g., with substantial EGR), intake air cooling, and latent cooling caused ...  
WO/2008/115523A3
In an internal combustion engine adapted to combust alcohol blend fuels (i.e., fuels containing greater than 20% alcohol by volume), a dilute combustion mixture (e.g., with substantial EGR), intake air cooling, and latent cooling caused ...  
WO/2008/111392A1
A control device (1A) has air density confirmation means for confirming the density of air in a cylinder (57) into which fuel (FE) is injected, and also has fuel spray control means that, based on the air density at the time of fuel inje...  
WO/2008/110404A1
The invention relates to a cylinder head for internal combustion engines, having a cylinder head cover (9) that is configured on the side facing away from the combustion chamber of the internal combustion engine, a cylinder head base (5)...  
WO/2008/106281A1
A geometry for an IC combustion chamber (150) is disclosed that increases the air-fuel mixing efficiency within the chamber (150). The piston head (122) includes a squish surface portion (126) for generating a squish jet, and a bowl port...  
WO/2008/102910A1
A fuel injection control device for an in-cylinder injection internal combustion engine, having a fuel injection valve for injecting fuel (FE) to the inside (4) of a cylinder and a fuel injection control means (6) for controlling drive t...  
WO/2008/093240A3
A piston top surface (23) has a depression. A center region (28A) is formed at the center of the depression to secure the diameter of a center tumble flow to be large. A side region (28B) is formed on both sides of the piston top surface...  
WO/2008/093240A2
A piston top surface (23) has a depression. A center region (28A) is formed at the center of the depression to secure the diameter of a center tumble flow to be large. A side region (28B) is formed on both sides of the piston top surface...  
WO/2008/082330A1
An internal combustion engine (1) comprising a combustion chamber (7), at least one intake port (9) for directing intake air into the combustion chamber with no/low swirling; a piston (3) with piston bowl (6); an injector (13) with plura...  
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.  
WO/2008/073702A3
Cold start and warm-up operations of an HCCI engine are improved through coordinated control of engine valves, fuel injection and spark timing.  

Matches 401 - 450 out of 13,916