Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 251 - 300 out of 7,011

Document Document Title
WO/2000/031390A1
The present invention relates to an unthrottled internal combustion engine of segregating, spark ignited, form, i.e. in which the bulk of the fuel does not begin to mix with the bulk of the air until near the end of the compression strok...  
WO/2000/020734A1
A pre-combustion chamber assembly (10) and method for an internal combustion engine (16) consists of first, second and third body portions (22, 24, 26) of different metallic materials. A second end (30) of the first body portion (22) is ...  
WO/2000/017502A1
The invention relates to an operating method of an internal combustion engine. According to said method, a fuel-air mixture is rapidly combusted in order to move a piston (3). The fuel contained in or introduced into an occluded fresh ga...  
WO/2000/012881A1
A reciprocating machine includes a housing (12) and piston means (20) that are cyclically relatively displaceable along an axis (11) to define a variable volume working chamber (50). There is further provided air inlet means and fuel inl...  
WO1999042718A9
A premixed-charge compression-ignition engine and control system (10) is provided which effectively initiates combustion by compression-ignition and maintains stable combustion while achieving extremely low oxides of nitrogen emissions, ...  
WO/2000/008308A1
An internal combustion engine comprises several cylinders to each of which actuators are assigned which act on charge change valves and to each of which one injection valve is assigned which is arranged in the cylinder head in such a way...  
WO/2000/008317A1
The invention concerns a device and a method for igniting an internal combustion engine and a corresponding separating wall. The ignition device comprises a main chamber (1) provided with a system for compressing a main fuel mixture and ...  
WO1999040302A8
An internal combustion engine having a combustion chamber divided into two regions by an arcuate barrier (78) on the top of the piston and a complementary arcuate barrier formed in a cavity of the cylinder head. When the piston is at top...  
WO/1999/063206A1
The invention concerns an engine method with suction-compression chamber (1) and/or expansion-exhaust chamber (4) operating by means of reciprocating pistons with an independent and twinned compression chamber (2) - the three chambers be...  
WO/1999/057427A1
An engine capable of use with multiple different types of fuels including gasoline, alcohol based fuels, and heavy fuels such as diesel, JP5, JP8, Jet A, and kerosene based fuels. The engine (10) includes a main cylinder (25) having a co...  
WO/1999/054605A1
An internal combustion engine (10, 110) includes a precombustion member (60) which has a number of first ignition orifices (68) defined therein. The precombustion member (60) further has a precombustion member (60) further has a precombu...  
WO/1999/047804A1
An engine (10) having an engine block (12) with a compression cylinder (22) and an expansion cylinder (24) defined therein. A compression piston (34) is located in the compression cylinder (22) and an expansion piston (36) is located in ...  
WO/1999/046492A1
The invention concerns an internal combustion engine operating in four-stroke or two-stroke cycle, comprising a cylinder (1) wherein a reciprocating piston (2) moves, a combustion chamber with variable volume (4) being defined in the cyl...  
WO/1999/042718A1
A premixed-charge compression-ignition engine and control system (10) is provided which effectively initiates combustion by compression-ignition and maintains stable combustion while achieving extremely low oxides of nitrogen emissions, ...  
WO/1999/040302A1
An internal combustion engine having a combustion chamber divided into two regions by an arcuate barrier (78) on the top of the piston and a complementary arcuate barrier formed in a cavity of the cylinder head. When the piston is at top...  
WO/1999/023376A1
The invention concerns an engine which can be produced on the basis of mass production of the gas engine. As part of the combined system of the fuel mixture formation, the air intake system ensures that the cylinder is properly filled wi...  
WO/1999/013206A1
A lean burn auto-ignition internal combustion engine which has a combustion volume which includes two parts one entering into the other, the volume of the second part being variable by control means (34) which takes into account the vari...  
WO/1999/007984A1
A method of operating an internal combustion engine (2) including the steps of: introducing a first charge of air or air fuel mixture into a main cylinder (6) in which a main piston (8) is mounted for reciprocating movement; introducing ...  
WO/1998/057037A1
A fuel injection, ignition, and combustion system for use in a rotary internal combustion engine of the diesel type and method of power extraction is provided. The fuel combustion system includes a rotary engine with a prechamber (60) di...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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) (...  

Matches 251 - 300 out of 7,011