Matches 1 - 50 out of 268 1 2 3 4 5 6 >


Match Document Document Title
8146563 Internal combustion engine with high squish piston  
A piston crown for a diesel engine in which the crown has an annular recess coaxial with an injector injecting fuel in a radiated, non-swirl pattern. The recess has an internal central crown...
7992536 Direct fuel injection diesel engine  
In a direct fuel injection diesel engine equipped with a pentroof-shaped piston, when fuel is injected into a cavity (25) recessed in a central part of a piston (13), for which the height of a top...
7926463 Cylinder injection type spark ignition internal combustion engine  
An engine provided with a fuel injector for directly injecting fuel into a cylinder, a spark plug positioning a spark gap in a flight path of fuel injected from the fuel injector, and a cavity...
7874276 Fuel injection control method for an internal-combustion engine and engine using the same  
The invention relates to a method for control of fuel injection for an internal combustion engine, in particular with direct fuel injection, comprising at least one cylinder (10), one piston (30)...
7832372 Combustion control via homogeneous combustion radical ignition (HCRI) or partial HCRI in cyclic IC engines  
A process is provided for enhancing homogeneous combustion and improving ignition in rotary and reciprocating piston IC engines. Physical embodiments supporting this process have secondary chambers...
7685990 Dual mode combustion apparatus and method  
A fuel injection apparatus for a fuel injector nozzle includes a moveable valve needle slideably located within a nozzle body, the nozzle body having an internal surface defining a valve seat...
7677221 Internal-combustion engine, notably of direct injection type, with a piston provided with a bowl comprising a teat  
The invention concerns an internal combustion engine, in particular with direct injection comprising at least one cylinder (10), one piston (30) sliding in said cylinder, a combustion chamber (26)...
7640094 Diesel engine  
A diesel engine having: a reentrant type cavity 11 depressed in the top of a piston 4; fuel injection means 9 that injects fuel towards the cavity 11; exhaust gas recirculation means 19 that...
7565893 Spark ignited direct injection flow geometry for improved combustion  
An engine assembly may include an engine block defining a cylinder bore, a piston disposed within the bore, and a spark ignited direct injection fuel system. The piston may be disposed within the...
7513238 Directly injecting internal combustion engine  
A directly injecting internal combustion engine has at least one cylinder which has a combustion space and in which a piston executes an oscillating movement, and an injection nozzle for the...
7493886 Combustion control via homogeneous combustion radical ignition (HCRI) or partial HCRI in cyclic IC engines  
A process is provided for enhancing homogeneous combustion and improving ignition in rotary and reciprocating piston IC engines. Physical embodiments supporting this process have secondary chambers...
7472678 Combustion chamber shape of direct injection type diesel engine  
An object of the present invention is to provide a combustion chamber shape of a direct injection type diesel engine in which a black smoke generation amount can be suppressed during no-load...
7441535 Shape of combustion chamber for direct-injection diesel engine  
The invention relates to a shape of a combustion chamber for a direct-injection diesel engine, in which a mixture in, particularly, an expansion stroke is promoted by optimally designing the shape...
7415963 Method for operating an internal combustion engine  
The invention relates to a direct-injection internal combustion engine that is operated in a first operating range associated with the low part load, with largely homogeneous combustion of the...
7395806 Reciprocating internal-combustion engine with direct fuel injection by means of an injector arranged on the intake side  
A reciprocating internal-combustion engine having at least two gas intake ports (3) with gas intake valves (6), at least one gas exhaust port (4) with a gas exhaust valve (7) and at least one...
7380536 Combustion bowl in the crown of a piston for a diesel engine  
The invention relates to a combustion recess in the head of a piston for a diesel engine, the piston being provided with a cooling duct optionally existing in the form of a cooled ring carrier....
7370627 Optimized low emission two-stroke internal combustion diesel engine  
An optimized two-stroke internal combustion diesel engine, suitable for locomotive applications, has been developed to meet the EPA locomotive Tier 2 emission standards. To achieve a low emission...
7318406 Bowl-in-piston of a cylinder in a direct injection engine  
A piston in a direct injection spark ignition internal combustion engine is configured to reciprocate upward and downward within a combustion chamber along a reciprocating axis. The piston...
7234437 Direct-injection internal combustion engine and combustion method therefor  
A direct-injection internal combustion engine and a combustion method therefore in which fuel injection timing of a fuel injection valve is so configured that (a) the fuel inverted from a cavity in...
7185614 Double bowl piston  
A piston for an internal combustion engine is disclosed. The piston has a piston crown with a face having an interior annular edge. The piston also has first piston bowl recessed within the face of...
7156069 Direct injection diesel engine  
A combustion chamber opening toward a cylinder head is provided on a top surface of a piston, and this combustion chamber comprises a first volume having an inclined surface and a second volume...
7104247 Direct fuel injection engine  
A direct fuel injection engine has a fuel injection valve that injects fuel toward a cavity formed in a top of a piston, and a spark plug that ignites the fuel-air mixture resulting from the fuel...
7073478 Internal combustion engine with auto-ignition  
In an internal combustion engine with auto-ignition in which the fuel is injected directly into the combustion chamber by means of a fuel injection nozzle in the form of multiple fuel jets, wetting...
7055490 In-cylinder injection, spark ignited internal combustion engine  
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...
7040279 Energy-cell combustion system  
A Divided Chamber combustion system comprising an energy-cell built in the bottom of a deep piston bowl; aligned in the cylinder's centerline; in fluid communication with the main combustion...
7040281 Method of injecting a gaseous fuel into an internal combustion engine  
A method of operating a gaseous-fueled internal combustion engine comprises selecting one of at least two predetermined operating modes as a function of engine load and engine speed. A first...
7028662 Direct fuel injection engine  
A direct fuel injection engine is provided that an appropriate stratified fuel-air mixture is formed to conduct good stratified combustion over a wide range of loads. The engine has a fuel...
7013861 Self-igniting internal combustion engine  
An internal combustion engine has compression ignition, in which fuel is injected as a pre-injection and main injection directly into a working space by means of an injection nozzle having a...
6955165 Three-reentrancy combustion chamber  
A combustion chamber assembly for use in a piston of a diesel engine includes a combustion chamber being defined intersecting a crown of the piston, the combustion chamber being substantially...
6912989 Fuel injection control device for a direct fuel injection engine  
A fuel injection control device for a direct fuel injection engine is configured to selectively control a fuel injection valve, which is configured and arranged to directly inject a first fuel...
6907856 Internal combustion engine with spark ignition and direct fuel injection comprising a very high-pressure direct injection system  
The invention relates to an internal combustion engine with spark ignition and direct fuel injection. The inventive engine comprises: a cylinder; a cylinder head; a piston which is mounted to slide...
6892693 Piston for spark-ignited direct fuel injection engine  
A piston for an internal combustion engine is disclosed. A bowl-shaped recess is constructed in the combustion face of the piston. The recess has a w-shaped cross-section. The w-shaped...
6840209 Direct injection diesel engine  
Cleaning of exhaust gas and reduction of fuel costs are aimed at while realizing homogenious charge (or pre-mixing) compression ignition combustion and performing fuel injection in a suitable...
6827059 Fuel injection method for high injection sensitivity internal-combustion engine and engine using such a method  
Method for injecting fuel into the combustion chamber of a direct-injection internal-combustion engine, said chamber being delimited by the wall of a cylinder (10), a cylinder head (12) and a...
6799550 Spark-ignition engine having direct fuel injection  
The invention relates to a spark-ignition engine having direct fuel injection, the fuel injector (2) and the spark plug (3) being arranged centrally on the upper side of the combustion chamber (1)....
6739308 Fuel igniter and head for use in diesel engines and related systems and methods  
The present invention provides a piston for a diesel engine that reduces emissions generated during the combustion of fuel in a combustion chamber and a head that allows more air to flow into and...
6715463 In-cylinder fuel injection engine and the method of controlling the engine  
The in-cylinder fuel injection engine is characterized in that fuel is injected into the combustion chamber in two directions. When the homogeneous charge combustion is performed, a first spray...
6712036 Method of controlling the fuel injection in an internal combustion engine  
A method of controlling the fuel injection in an internal combustion engine (1) having a piston (3), which passes to and for in a cylinder (2) between an upper and a lower dead center, and an...
6705273 Combustion chamber  
A combustion chamber assembly for use in a piston of a diesel engine includes a combustion chamber being defined in a crown of a piston, the combustion chamber having a center portion, the center...
6675767 Internal-combustion engine with fuel injection device  
The present invention relates to a direct-injection internal-combustion engine comprising at least a cylinder (10), a cylinder head (12), a piston (22) sliding, in this cylinder, intake means (14,...
6644268 Method for the injection of fuel  
In a method for the injection of Diesel fuel into a combustion chamber of a Diesel engine by way of a fuel injection valve with a plurality of pilot and main fuel injection ports, the fuel is...
6588396 Spark ignition direct injection engine with oval fuel spray into oblong piston bowl  
The present invention provides a fuel injector mounted on a side of a combustion chamber and delivers an ovalized fuel spray toward an oblong piston bowl of the chamber. The ovality of the spray is...
6557520 Multi-zone combustion chamber and method for combustion control in compression-ignited reciprocating engines  
A multizone combustion chamber and method of combustion in a compression-ignited reciprocating engine. The combustion chamber includes a cylinder, a cylinder head located at one end of the...
6553960 Combustion system for direct injection diesel engines  
A combustion system for direct injection diesel engines, having a fuel injection nozzle provided with upper and lower rows of nozzle holes and disposed so as to be opposed to a deep dish combustion...
6513487 Method for operating a reciprocating-piston internal combustion engine  
A method for operating a reciprocating-piston internal combustion engine, having an injector nozzle operable by a single valve element and configured to directly inject a fuel into a combustion...
6494178 Combustion chamber including piston for a spark-ignition, direct-injection combustion system  
An engine combustion chamber includes a cylinder head, a cylinder wall and a piston. The piston has a bowl volume formed therein. A fuel injector is disposed adjacent one edge of the bowl and an...
6468122 Fuel injected engine with cross scavenging  
An engine in which the cylinders are scavenged according to a cross scavenging technique. The engine includes one or more cylinders in each of which a piston is disposed for reciprocal motion. The...
6443122 Internal combustion engine  
Internal combustion engine with fuel injection directly into the combustion chamber of the engine. The engine has inlet channels, the angle of incidence (valve angle) (α) of which is greater than ...
6390053 Reaction chamber isolation check valve and gaseous fuel engine using same  
An internal combustion engine includes an engine housing that defines a main combustion chamber separated from a precombustion chamber by a flame communication passage way. A source of gaseous fuel...
6354263 Reaction chamber check valve and gaseous fuel engine using same  
An internal combustion engine comprises an engine housing which defines a main combustion chamber that is separated from a precombustion chamber by a flame communication passageway. The engine...
Matches 1 - 50 out of 268 1 2 3 4 5 6 >