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Patent Searching and Data


Matches 651 - 700 out of 14,037

Document Document Title
WO/2004/009972A1
A control (30) for controlling a variable valve actuation mechanism (26) of an internal combustion engine (10) to regenerate a NOx adsorber catalyst (35) in the exhaust system (22) of the engine. The control comprises an operating progra...  
WO/2004/007944A1
The invention relates to a method for forming a fuel/air mixture of a direct-injection internal combustion engine. According to said method, a closing body of the fuel injection nozzle is displaced from a closed position into an operatin...  
WO2002001054A3
A four-stroke reciprocating internal combustion engine (10) includes at least one combustion chamber (19) defined by a cylinder (11), a piston (16) and a cylinder head (17). Each combustion chamber (19) is in fluid communication with at ...  
WO/2004/003368A2
An internal combustion engine piston having a combustion bowl with fuel control structure for redirecting at least a portion of the fuel exiting the combustion bowl. One form of the piston includes a sharp edge disposed at the outer surf...  
WO2002099258A8
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/2004/001215A1
A reciprocating engine (1), comprising a cylinder (2), a piston (3) reciprocatingly moving in X−direction inside the cylinder (2), a connecting rod (5) rotatably connected, at a small end part (4), to the piston (3) through a piston pi...  
WO/2003/104634A1
Piston face (104, 204, 304) and combustion chamber (18) designs for use particularly in HSDI (high speed direct injection) diesel engines include an open bowl (108, 208, 308) characterized by a large face perimeter region (106, 206, 306)...  
WO/2003/104625A1
An engine (10) includes various precise configuration parameters, including dimensions, shape and/or relative positioning of the combustion chamber features, resulting in a combustion process minimizing Nox emissions and particulates. Th...  
WO/2003/100236A1
The invention relates to a supercharged spark-ignition engine having direct fuel injection, in which one injector is centrally arranged inside the cylinder head with an approximately vertical mounting position. The invention provides tha...  
WO/2003/095804A1
A spring seat comprising an outer sprint seat (10k) and a stepped inner spring seat (10j) located at a lower position, wherein a valve spring comprises an outer spring (37) and an inner spring (36) longer than the outer spring (37) arran...  
WO2003008778A3
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/2003/089784A2
A high energy inductive coil-per-plug ignition system operating at a higher voltage Vc than battery voltage Vb by use of boost-type power converter (1), using high energy density low inductance coils Ti which are further improved by part...  
WO/2003/089785A2
An improved ignition-engine system for internal combustion engines comprising a compact combustion chamber in the cylinder head and two main squish zones (101 a, 101 b) for producing high flow and turbulence, and at least one minor squis...  
WO/2003/087561A1
A method and apparatus for injecting a gaseous fuel into a combustion chamber of an internal combustion engine employs a combination of operating modes. First, one of a low load and a high load mode of operation is selected during the op...  
WO/2003/081018A1
The invention relates to a method for operating an internal combustion piston engine wherein fuel is directly injected into a work chamber in the form of a pre-injection and a main injection by means of an injection nozzle provided with ...  
WO/2003/081010A1
The invention relates to an internal combustion engine with compression ignition, wherein fuel is injected directly into a working chamber in the form of a pre-injection and main injection by means of an injection nozzle having a plurali...  
WO/2003/078824A1
Disclosed is a fuel injection valve for internal combustion engines, comprising a valve body (3) in which a borehole (8) that is provided with a longitudinal axis (18) is configured. A valve seat (20) is configured at the end of the bore...  
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 ...  
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 ...  
WO/2003/071110A1
The invention relates to a cylinder head for an internal combustion engine, in which at least one inlet and one outlet channel (10 to 13) are disposed and lead to a combustion chamber (8) next to a cylinder compartment (20). The inlet an...  
WO/2003/064837A1
The invention is intended to provide improved emission-cleaning performance by use of a three-way catalyst alone, without the need for a lean NOx catalyst, while ensuring a fuel economy improvement effect of lean burn operation. A multic...  
WO/2003/064850A1
The invention relates to a combustion chamber system, particularly in the cylinder head (1) of a gasoline direct injection engine, comprising an injection device (3) injecting streams (7) of a combustible mixture into a combustion chambe...  
WO/2003/064831A1
A combustion engine (1) with compression-initiated combustion comprises at least one cylinder (2, 2', 2') in which a piston (3, 3', 3') is movable axially between a lower dead centre point and an upper dead centre point, with a dead volu...  
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...  

Matches 651 - 700 out of 14,037