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WO/1998/053189A1 |
A two or four stroke valve engine comprises at least one cylinder (3) within which a piston (4) moves and which receives an air-fuel mixture via at least one induction or intake duct (16), there being provided for the combustion products...
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WO/1998/053190A1 |
The invention concerns an internal combustion engine comprising a combustion chamber (1) delimited by a piston (3) top wall and a cylinder head (4) roof-shaped bottom wall (13), two inlet ports (5, 6), two exhaust ducts (9, 10), a recess...
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WO/1998/038418A1 |
An injection device is disclosed for an internal combustion engine, in particular a Diesel engine, having a combustion chamber (16) formed by a piston (2), cylinder and cylinder head (1), a multi-hole injection nozzle (5) and a casing (3...
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WO/1998/031924A1 |
The invention concerns an engine comprising a cylinder head (1) in which a precombustion chamber (4) is superposed on a main combustion chamber (5). The precombustion chamber is equipped with two supplementary valves, an admission valve ...
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WO/1998/020240A1 |
Process for ensuring the mixing of a predetermined quantity of liquid or gaseous fuel with the air that is contained in a pre-chamber (1) with one end that is open toward cylinders (6) of an alternative internal-combustion engine, as wel...
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WO/1998/012426A1 |
An internal combustion engine, especially for vehicles, with direct fuel injection and applied ignition, presenting at least one closed combustion chamber (10) located between the cylinder head and a piston which can be moved into a cyli...
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WO/1998/010179A2 |
An improved HCCI engine and control scheme is provided which produces stable HCCI combustion while optimally minimizing emissions and maximizing efficiency. In the present invention, the fuel/air mixture is thoroughly mixed to form a ver...
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WO/1998/007973A1 |
A premixed-charge compression-ignition engine, and a control system (10), is provided which effectively initiates combustion by compression-ignition and maintains stable combustion while achieving extremely low nitrous-oxide emissions, g...
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WO/1998/002653A1 |
The invention is concerned with a method of deriving mechanical work from a combustion gas in internal combustion engines and reciprocating internal combustion engines (100) for carrying out the method. In its preferred embodiments, the ...
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WO/1997/049906A1 |
In a prior art internal combustion engine, an oxygen-containing mixture is first compressed in sequential compression strokes which heats it, and then ignited, whereupon the combustion gases expand. Here at least a part of the fuel fed i...
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WO/1997/049907A1 |
In a prior art internal combustion engine, an oxygen-containing mixture is first compressed in sequential compression strokes and then ignited, whereupon the combustion gases expand. Here at least a part of the fuel fed in is heated befo...
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WO/1997/048884A1 |
The invention discloses a method for a pollution abating engine comprising an independent suction and compression chamber (1), an independent expansion chamber with a constant volume (2), and an independent expansion and exhaust chamber ...
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WO/1997/045629A1 |
An energy conservation cycle engine which can eliminate NOx and unburnt matter, reduces environmental pollution, reduces also a friction loss and vibration of a cycle engine, raises a maximum combustion pressure, reduces CO2, reduces the...
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WO/1997/042402A1 |
In a technology in which a spark plug also serves as an engine valve, a construction in which a spark plug and an engine valve that are formed separately from each other are assembled together and a need of paying attention to the diamet...
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WO/1997/039232A1 |
Procedure and devices relating to a cyclical internal combustion engine with a constant-volume independent combustion chamber in which, for each working cylinder or element, combustion chamber (1), combustion chamber (2) and expansion ch...
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WO/1997/039451A1 |
A multimedium optical disk wherein whether image titles need emulation AV functions can be instantly judged even when the image titles recorded thereon have individual modes. The reproduction type information including a first flag showi...
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WO/1997/038213A1 |
An internal combustion engine comprising a cylinder block with a cylinder including a cylindrical wall having an axis and opposite inlet and outlet ports, a cylinder head fixed to the cylinder block and including a recess (45), a spark p...
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WO/1997/035102A1 |
An internal combustion engine (11) comprises an engine block (13) having a cylinder (17), a cylinder head (21) fixed to the block and a piston (31), defining a combustion chamber (51). The piston face (37) has a bowl (39) with a cylindri...
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WO/1997/013971A1 |
A drive train includes an engine having a power cylinder (12) with a power piston (4). Fuel is fed into a combustion chamber (2) located within the power cylinder at one side of the power piston. Intake and exhaust valves (16, 18), in fl...
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WO/1997/006360A1 |
An internal combustion engine comprises one or more pairs of first and second cylinders (12, 14), the first cylinder (12) having a larger swept volume than the second cylinder (14) and respective first and second pistons (16, 18) recipro...
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WO/1997/002417A1 |
The invention relates to a cylinder head device (2) for an internal combustion engine with at least one cylinder (4). The cylinder head has for each cylinder an inlet channel (6) with an inlet valve (7), and an exhaust channel (8) with a...
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WO/1996/034189A1 |
An internal combustion engine is provided with a fuel vaporisation chamber (10) separated from but adjacent to a main combustion chamber (12). The wall (14) of the vaporisation chamber (10) has at least one aperture (16) to allow partial...
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WO/1996/028647A1 |
The invention pertains to a system for improving the ignition efficiency of internal combustion engines by using a number of small, water-cooled pre-combustion chambers which can be threaded into spark plug holes (13). The pre-combustion...
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WO/1996/025592A1 |
An internal combustion engine (20) having a combustion chamber (36), a pre-combustion chamber (76) communicating with the combustion chamber (36), injection means (70) located and arranged to periodically deliver controlled amounts of fu...
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WO/1996/022455A1 |
A diesel engine (10) has a precombustion chamber (30) with four circumferentially spaced and angled transfer passages (60, 61) leading to the main combustion chamber (44). Each transfer passage (60, 61) is tapered to provide a larger low...
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WO/1996/017160A1 |
A low compression ratio internal combustion engine with extended dwell at ornear piston top dead centre to facilitate substantially complete combustion providing a higher engine output power. A pre-combustion chamber (10) passes high tem...
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WO/1996/015362A1 |
Inlet and exhaust valve timing is varied in conjunction with reducing the engines compression ratio and increasing drive to the supercharger. Variations include the early opening of one or more exhaust valves and/or closure of one or mor...
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WO/1996/002742A1 |
An ignition device for an internal combustion engine comprising a small pre-chamber (1) having a volume of about 0.7 % of the volume of an associated combustion chamber, a small outlet orifice (1a) in the pre-chamber having a dimensionle...
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WO/1996/001943A1 |
This invention relates to engine-building and more particularly to a method of piston internal combustion engine working and may be used in stationary power-generating plants and in transport. A method of piston internal combustion engin...
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WO/1995/025881A1 |
The invention relates to a method for supplying to a combustion chamber (2) a finely distributed, for instance vaporous or atomized, fuel (V) by supplying a liquid fuel (L) to an intermediate space (9) connected to the combustion chamber...
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WO/1995/024547A1 |
An internal combustion engine comprises a cylinder assembly including a cylinder (4), at least one piston (8) mounted for reciprocation within the cylinder (4), a common compression chamber (6) defined by the cylinder (4) and piston(s) (...
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WO/1995/000752A1 |
An internal combustion engine comprises one or more pairs of first and second cylinders (12, 14), the first cylinder (12) having a larger swept volume than the second cylinder (14) and respective first and second pistons (16, 18) recipro...
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WO/1994/025743A1 |
Method and devices for controlling the combustion of a four stroke engine, comprising for each cylinder, in addition to the main cumbustion chamber (7), a small secondary combustion chamber (12) which is completely separate and independe...
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WO/1994/021903A1 |
The invention relates to an arrangement in such ignition gaps or channels as are used in combustion devices, for example internal-combustion engines, to impart to an injected finely-divided particulate fuel a temperature sufficient for i...
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WO/1994/016206A1 |
An all-fuel internal combustion engine comprises a cylinder (1) with a compression chamber (9) on the piston (6) mounted in the cylinder, a combustion chamber (7) for the fuel mixture arranged in the vertical plane in relation to the com...
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WO/1994/013986A1 |
A non-return valve (10) employed in a pre-combustion chamber (12) for a gas fuelled internal combustion engine is described. The non-return valve (10) comprises a body (30) having an inlet passage (32), and an outlet passage (34) which i...
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WO/1994/005821A1 |
To provide a diesel engine prechamber sleeve excellent in the resistances to high-temperature oxidation and thermal shock. A diesel engine prechamber sleeve made of a heat-resistant iron-base alloy having a chemical composition comprisin...
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WO/1994/002721A1 |
A small bore internal combustion engine having a four-stroke operating cycle which is adapted to function with natural gas and other gaseous fuels and which is particularly useful with residential heat pump assemblies with maximum life e...
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WO/1994/001666A1 |
An internal combustion engine has first and second cylinders (12, 14), the first cylinder (12) having a larger swept volume than the second cylinder (14) and the second cylinder being formed in the crown of the first cylinder. First and ...
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WO/1993/025812A1 |
A piston (14) for an internal combustion engine (10) is provided with a reaction chamber (44) for generating radical fuel species during a combustion cycle for use during the next succeeding combustion cycle. The reaction chamber (44) is...
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WO/1993/022549A1 |
Fresh air fed into the working chamber (1) of an engine is centrifugally prevented from mixing with the combustion gases deliberately retained therein from one cycle to the next. An assembly for feeding in pressurized fuel (10) is arrang...
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WO/1993/009337A1 |
An internal combustion engine has at least one set of first and second cylinders (12, 14), the first cylinder (12) having a larger swept volume than the second cylinder (14), and respective first and second pistons (16, 18) movable in th...
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WO/1993/008385A1 |
An ignition device for an internal combustion engine comprising a small pre-chamber (1) having a volume of about 0.7 % of the volume of an associated combustion chamber, a small outlet orifice (1a) in the pre-chamber (1) having a dimensi...
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WO/1993/008399A1 |
A gas delivery system for gas fuelled internal combustion engines, comprising a gas fuel delivery means (10) for delivering a controlled amount of gaseous fuel to a region adjacent a source of ignition (26). The gas fuel delivery means (...
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WO/1993/006348A1 |
A two stroke internal combustion engine comprises a piston (8) reciprocating in compression chamber (6), an inlet valve (5) permitting the supply of scavenging air at high pressure to compression chamber (6), a small external combustion ...
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WO/1992/006285A1 |
An internal combustion engine having cylinders (20), wherein each cylinder (20) comprises a split chamber with at least two regions (34, 36) formed therein and a piston (22) slidably disposed in the cylinder (20) to form at least one pri...
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WO/1992/002718A1 |
A capsule (10), the interior volume of which is an ignition chamber (14), is provided with an engine to improve ignition. The capsule (10) has an orifice (36) so the ignition chamber (14) can communicate with a main combustion chamber (5...
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WO/1992/001860A1 |
An internal combustion engine has first and second cylinders (12, 14), the first cylinder (12) having a larger swept volume than the second cylinder (14) and the second cylinder being formed in the crown of the first cylinder. First and ...
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WO/1991/019084A1 |
A split cycle internal combustion engine having located wholly within the combustion chamber (13) of the firing cylinder (10) and spaced from the walls thereof a hollow dome (14) with the closed head of the dome (14) adjacent to the head...
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WO/1991/019085A1 |
An internal combustion engine provided with an electrically heated heating member on which fuel strikes and which is disposed in the combustion chamber. An electrically heated heating member (13) is disposed in a cavity (7) formed on the...
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