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Matches 651 - 700 out of 13,907

Document Document Title
WO2002006658A9
The invention provides a piston head (10) having a bowl (20) in the crown (18) thereof. At least the upper edge of the bowl (20), and preferably the whole crown (18) is made of a material resistant to thermal oxidation, such as stainless...  
WO/2003/064838A1
For the purpose of improving the fuel efficiency by lean combustion and enhancing the fuel efficiency improvement effects by performing compression ignition efficiently in some cylinders, a multi-cylinder spark ignition engine is constru...  
WO/2003/062624A1
A fuel passageway (28) to which gas fuel is fed is formed in an intake passageway wall. A fuel spout at the downstream end of the fuel passageway (28) is opened to the vicinity of the upstream-side of an intake valve (15) in the intake p...  
WO/2003/062631A1
A diesel engine including a shallow-dish type combustion chamber on the top face of a piston. A plurality of first nozzle holes are so arranged in the same circumference of a fuel injection valve as to project toward the combustion chamb...  
WO/2003/062623A1
It comprises a first fuel feed stroke for allowing fuel gas to stay in an intake passageway (5) with an intake valve (15) closed, and a second fuel feed stroke for feeding fuel gas from a gas spout (nozzle 4) in the vicinity of the intak...  
WO/2003/062614A1
An engine has a tumble flow producing means (air inlet port (13)) for producing a tumble flow (T) consisting of mixed gas in a cylinder. It has a squish flow producing means (the slope surface (25) of a piston top (7a), a recess (26), an...  
WO/2003/054380A1
A fuel injection valve-spark plug combination (1) comprises a fuel injection valve (2) for directly injecting fuel into a combustion chamber of an internal combustion engine and a spark plug (3) for igniting the fuel injected into the co...  
WO/2003/052246A1
A direct fuel injection outboard marine engine having an improved spark ignition system. This spark ignition system includes a magnetic core-coil assembly for generating a high-voltage signal within a short period of time and an electron...  
WO/2003/050410A1
A fuel injection valve spark plug combination (1), comprising a fuel injection valve (2) for direct injection of fuel into a combustion chamber in an internal combustion engine and a spark plug (3) provided with an insulator (19), having...  
WO/2003/048540A1
The invention relates to a combustion method with charge stratification for a direct injection, spark ignition internal combustion engine. According to said method with stratified charge, charge air is introduced, through one of two flow...  
WO/2003/042518A1
An internal combustion engine 10 includes a first combustion chamber (20) in each of its cylinders (12). First fuel injector (24) injects a first volume of fuel into the chamber (20). A housing (28) defining an auxiliary combustion chamb...  
WO/2003/042519A1
The invention relates to an internal combustion engine with spark ignition and direct fuel injection. The inventive engine comprises: a cylinder (1); a cylinder head (2); a piston (3) which is mounted to slide in the cylinder (1); a comb...  
WO/2003/040538A1
The invention relates to a method for directly injecting fuel into a combustion chamber (2) of an internal combustion engine. According to the invention, the fuel injection system (1) comprises a fuel injection valve (12) that, during an...  
WO/2003/038252A1
An internal combustion engine in which the combustion mixture passing into the cylinder (4) includes a pressure pulse formed during the preceding closure of the inlet (6) so that the volume of combustion mixture passing into the combusti...  
WO/2003/036061A1
Disclosed is an auxiliary starter agent (1) for internal combustion engines, especially a sheathed element glow plug which requires little space when built into the cylinder head. The auxiliary starter agent (1) comprises means (25) for ...  
WO2002044536A9
An arrangement for utilizing a combustion sensor with an internal combustion engine. The arrangement includes a sensor mounted to the outside of an engine cylinder for communication with exhaust gasses within the cylinder via a sampling ...  
WO/2003/031786A1
A low emission vehicle operates an internal combustion engine with lean air fuel ratios over at least a portion of its operating load range. The vehicle satisfies EURO IV emission requirements with just a three way catalyst and without a...  
WO2001059285A3
A method and apparatus for introducing gaseous fuel into a piston cylinder of an operating internal combustion engine in two separate stages involves monitoring a set of engine parameters, determining engine load and engine speed from th...  
WO/2003/029635A1
A direct−injection spark ignition internal combustion engine, wherein air−fuel mixture lump of appropriate density and size is formed in a combustion chamber having a piston bowl with fixed volume according to the operating condition...  
WO/2003/025376A1
The invention relates to a method for producing a piston or piston head with a combustion relief (6) for an internal combustion engine. The aim of the invention is to easily and economically produce pistons having a reduced tendency to s...  
WO/2003/021092A1
In the Z 1 method of injecting fuel according to the enclosed patent demands and description, there is an aim to improve many problems in the present combustion engines, for example the emission, efficiency and noise problems. This metho...  
WO/2003/014559A1
The aim of the invention is to optimize the fuel distribution within the combustion air and to avoid the formation of liquid fuel nuclei. Direct fuel injection using two or more injector nozzles per combustion chamber is used in heat eng...  
WO/2003/010428A1
A cylinder direct injection type internal combustion engine directly injecting fuel in a cylinder (104) and igniting the fuel−air mixture formed in the cylinder, wherein an advance spray with high fuel flow velocity (105) and a main sp...  
WO/2003/010423A1
A combustion chamber assembly for use in a diesel engine includes a combustion chamber (14) being defined in a crown (12) of a piston (10), the piston (10) having a central axis (16, 18, 518, 524), the combustion chamber (14) having a ce...  
WO/2003/008778A2
The invention relates to a method for burning fuel in an internal combustion engine, especially for cars or lorries. Said method comprises the following steps: a) the fuel (F) is directly injected into a central area (8) of a combustion ...  
WO/2003/002859A1
The invention relates to an internal combustion engine (10) with at least one combustion chamber (16) enclosed by a cylinder (12) and a piston (14) arranged to move therein. A surface of at least one component of the combustion chamber (...  
WO/2002/101230A1
A cylinder of a two-stroke uniflow crosshead engine has an exhaust valve (17) and at least two fuel injectors (14) each having a number of nozzle holes. Backward-facing and forward-facing nozzle holes on the injectors (14) are directed s...  
WO/2002/099259A1
An internal combustion aircraft engine comprising a cylinder head (14) having a cylindrical head bore (19) formed therein, a piston (22), and a spark plugs (16, 18), the cylinder head bore (19) and piston (22) designed to reduce engine k...  
WO/2002/099258A1
The invention relates to an internal combustion engine comprising a compression space (3), which is delimited by fixed housing walls (1, 2) and by a piston (5) displaceably mounted therein, and comprising a porous body (4) that fills up ...  
WO/2002/096597A1
A piston is manufactured with functional recesses (6, 7, 8) thereof formed from property improving material (18b, 18c, 18d). A blank (10) defines a mounting recess (12, 14, 16) and a quantity of said property-improving material (18b, 18c...  
WO/2002/095220A1
Methods and apparatuses for laser ignition in an internal combustion engine. Laser radiation is directed to an ignition location within a combustion chamber with adaptive optics, and the position of the ignition location is adaptively ad...  
WO/2002/095206A1
An SOHC type engine in which installed in a cylinder head having an intake valve and a first ignition plug, and an exhaust valve and a second ignition plug respectively arranged side by side along the axis of a cam shaft are first and se...  
WO/2002/095201A1
The invention relates to a fuel injection system for internal combustion engines, comprising at least one fuel injection valve (25) which injects fuel into a fuel chamber (19) defined by a cylinder wall (17) in which a piston (16) is dis...  
WO/2002/090746A1
A controller of a cylinder injection type internal combustion engine capable of effectively reducing HC and NOx exhausted from a combustion chamber in a period ranging from the start to the stop of the engine, comprising an external EGR ...  
WO/2002/090763A1
The invention relates to a fuel injection system (2) for an internal combustion engine (1), comprising a fuel injection valve (5) which injects the fuel into a combustion chamber (7), which is formed by a cylinder wall (13) wherein a pis...  
WO/2002/090762A1
The invention relates to a fuel injection system (1) for an internal combustion engine, comprising a fuel injection valve (12), which injects fuel directly into a combustion chamber (2), which is formed by a cylinder wall (3), wherein a ...  
WO/2002/090727A1
The present invention provides an apparatus and method for selective control of gas flow in a combustion chamber (70) in an internal combustion engine (10) through a moveable or retractable seat valve (300) that is independent of piston ...  
WO/2002/090764A1
The object of the invention is a multi-hole nozzle used as the ending of fuel injectors supplying combustion engines. In the multi-hole according to the invention the inlet holes of the tip (4) have rounded edges and the tip is provided ...  
WO/2002/088528A1
A diesel locomotive engine having a piston with a unique bowl geometry. The bowl is defined in part by a center portion having a partial spherical shape. A cone portion (22) is located adjacent the central portion. An annular toroidal su...  
WO/2002/084088A1
A multiple cylinder internal combustion engine having a plurality of cylinders and a single common crank shaft, wherein part of combustion (expansion) gas produced in the period of the first half of the explosion (expansion) stroke in an...  
WO/2002/081897A1
The invention relates to an internal combustion engine, particularly a spark ignition engine, especially of a motor vehicle, comprising an injection device (40) for fuel (42), which is arranged and configured as to directly inject the fu...  
WO/2002/079623A1
The invention relates to a method of controlling the injection of a fluid into an internal combustion engine (1), comprising a piston (3) reciprocating in a cylinder (2) between top and bottom dead center points, and a nozzle (4) arrange...  
WO/2002/075137A1
The invention relates to a method for at least temporarily increasing an exhaust gas temperature of a spark-ignition, direction injection internal combustion engine (10) involving at least one measure, which is executed by the engine, wh...  
WO2002033236A3
The invention relates to a method and a device for operating an air compression internal combustion engine. Combustible, gaseous fuel is introduced into a working chamber by a gas injection nozzle and ignited by an ignition device. Accor...  
WO2001014738A9
Disclosed is a method of controlling the gas pressure in a dual fluid injection system wherein the gas is used to deliver a metered quantity of fuel to a combustion chamber (60) of an internal combustion engine (20). On detection of an a...  
WO/2002/066811A1
The invention relates to a method for operating a spark ignition engine, especially a direct injection engine, which is capable of running lean and of stratified charging and which has an NO¿x? storage-type catalytic converter mounted d...  
WO2001002707A9
An improved ignition-combustion system for internal combustion engines comprising a compact combustion chamber zone (4) mainly in the engine cylinder head (6) mainly under the exhaust valve (8) and with large air-squish zones (124a, 124b...  
WO/2002/055857A1
The invention relates to a method for heating up a catalyst in combustion engines with direct fuel injection comprising, the following steps: increasing the air change by simultaneously shifting the ignition to post-ignition, testing whe...  
WO/2002/055848A1
A piston for an internal combustion engine, including a piston crown having a central axis, and a piston bowl disposed in the piston crown, on which two tumble flows of air are provided. The piston bowl has a generally V-shaped contour i...  
WO/2002/055849A1
A direct fuel injection engine includes a fuel injector (21) so positioned and oriented as to produce a fuel spray whose upper segment reaches the vicinity of a spark plug (7) by a penetrating force of the fuel spray in a low engine spee...  

Matches 651 - 700 out of 13,907