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Matches 451 - 500 out of 13,922

Document Document Title
WO/2008/073082A2
A novel combustion engine (130) with turbine like properties is disclosed The novel engine (130) comprises an air intake (28), a first compressor stage, coupled to the air intake, a second compressor stage (114), coupled to the first com...  
WO/2008/050214A1
In a direct injection spark ignition internal combustion engine that performs an Atkinson cycle operation in which the time to close intake valves (3a) is retarded, the tumble flow (T) in the engine cylinder is intensified by the fuel (F...  
WO/2008/046483A1
The invention relates to an internal combustion engine, in particular a spark-ignition engine, in particular of a motor vehicle, having a crankshaft, having at least one working cylinder (10) which, together with a piston and a cylinder ...  
WO/2008/035448A1
In a thermal engine or a plasma apparatus, for example, a reciprocating engine, a rotary engine, a jet engine, or a gas turbine, even when the proportion of a fuel in a fuel-air mixture is reduced followed by a combustion reaction of a l...  
WO/2008/026685A1
A stable ignition is realized and an operating range capable of compression self-ignition operation is increased by triggering compression self-ignition by spark ignition even under an operating condition hard to be compression self-igni...  
WO/2008/015560A2
A direct injection spark ignition internal combustion engine includes fuel injection controlling means for preventing and/or suppressing engine knocking by retarding a fuel injection timing near an intake stroke bottom dead center. The f...  
WO/2008/015536A1
A direct injection spark ignition internal combustion engine includes a fuel injector (1) for directly injecting fuel into a cylinder and intensifies a tumble flow using the fuel injected into the cylinder bore at a time near an intake s...  
WO/2008/015560A3
A direct injection spark ignition internal combustion engine includes fuel injection controlling means for preventing and/or suppressing engine knocking by retarding a fuel injection timing near an intake stroke bottom dead center. The f...  
WO/2008/013045A1
A four-cycle internal combustion engine has a gas containing chamber (100) communicating with an exhaust port (31) and containing combustion gas discharged from the combustion chamber. While an exhaust valve constructed from a valve sect...  
WO/2008/012549A1
The present invention, there is provided an internal combustion engine comprising a variable volume combustion chamber (10) formed by a piston reciprocating in a cylinder (12). A gasoline direct injector (16) injects gasoline fuel direct...  
WO/2008/004398A1
A fuel direct-injection engine equipped with a pentroof type piston in which a collision angle (α) at which fuel injected in the direction of higher top surface of a piston (13) collides against a cavity (25) is set larger than the coll...  
WO/2008/001534A1
A direct fuel injection diesel engine having a pent roof-type piston. The piston (13) has a cavity (25) recessed at its center, and the height of the top surface of the piston (13) varies in the circumferential direction. The cavity (25)...  
WO/2007/148467A1
A direct fuel injection diesel engine having a piston with a pent roof-shaped top surface. The pent roof-shaped piston (13) in which a cavity (25) is recessed at the center of the top surface is formed such that the radial width (S) of a...  
WO/2007/148563A1
Provided is a multifuel internal combustion engine for improving an engine performance, a fuel consumption performance and an emission performance at a heavy-load running time, in a well-balanced manner. The various-fuel internal combust...  
WO/2007/129599A1
A gas fuel internal combustion engine comprises the downstream end openings (4d) of a fuel feed passage (4c) opening to a combustion chamber (18). Each downstream end opening (4d) is opened and closed by a poppet valve type fuel feed val...  
WO/2007/131102A2
An emission reduction device which may be removably affixed to a diesel engine's exhaust system. The device comprises an outer casing which may be divided into a lower portion and an upper portion, the lower portion of which is removably...  
WO/2007/128446A1
The invention relates to a method for operating a direct-injection, self-striking internal combustion engine, and a correspondingly configured internal combustion engine. Into a piston head (5) of the piston (2), a piston recess (6) is f...  
WO/2007/126021A1
In a two-stroke gas fuel internal combustion engine of crankcase-compression type, a combustion chamber (18) is formed in a dome shape and the downstream end opening (4d) of a fuel feed passage (4c) is positioned at generally central upp...  
WO/2007/126022A1
A two-stroke gas fuel internal combustion engine of crankcase compression-type comprises a fuel feed passage (4c) so formed that its downstream end opening (4d) is positioned on a combustion chamber (18), a poppet valve type fuel feed va...  
WO/2007/125400A2
An in-cylinder-injection type spark-ignition internal combustion engine has a fuel injection valve (1) and an ignition plug (2) that are arranged substantially in the upper area of the cylinder. Fuel is injected from the fuel injection v...  
WO/2007/125400A3
An in-cylinder-injection type spark-ignition internal combustion engine has a fuel injection valve (1) and an ignition plug (2) that are arranged substantially in the upper area of the cylinder. Fuel is injected from the fuel injection v...  
WO/2007/118952A1
The invention relates to a method for mixing at least one gaseous fluid with fuel in at least one combustion chamber (28) of a direct injection internal combustion engine, said chamber including a concave bowl (30) in which a tit (32) is...  
WO/2007/110232A1
A combustion process for an internal combustion engine, in particular a compression-ignition internal combustion engine, is distinguished by the fact that preinjection is effected into regions of the combustion chamber different from the...  
WO/2007/106729A3
A mechanism is configured to receive air which has been sucked through a device that imparts turbulence to the air. The mechanism is structured to establish regions of enhanced oxygen density in the air at locations downstream of the mec...  
WO/2007/091389A1
Combustion chamber structure of a direct injection type diesel engine arranged such that generation of black smoke or degradation in fuel efficiency can be avoided as much as possible even if the recirculation quantity of exhaust gas is ...  
WO/2007/089741A2
A fuel additive injection system includes a fluid additive supply tank, a fluid additive quantity sensor, a flowmeter, remotely controllable valves and a controller including a microcontroller, a visual display and a keypad interface for...  
WO/2007/082701A1
The invention relates to a combustion chamber arrangement of a direct-injection diesel engine having an air-distributing combustion method with jet-controlled mixture formation, and to an associated method for improving a fuel distributi...  
WO/2007/081518A2
A method of controlling combustion of an air-fuel charge in a piston engine having at least one combustion chamber comprising, (a) mixing at least one hydrocarbon fluid fuel and no more than about 10,000 ppm of at least one combustion in...  
WO/2007/081518A3
A method of controlling combustion of an air-fuel charge in a piston engine having at least one combustion chamber comprising, (a) mixing at least one hydrocarbon fluid fuel and no more than about 10,000 ppm of at least one combustion in...  
WO/2007/080746A1
This invention provides a premixing compression self-ignition combustion engine that can realize operation coping with a wide load range. A recess part (7) for combustion has a gas remaining part (19) recessed widely to a position protru...  
WO/2007/076802A1
The present invention relates to a piston (10) for an internal combustion engine, having a combustion depression (13) which is provided in the piston head (11) and has an encircling undercut (14), wherein the encircling depression edge (...  
WO/2007/066565A1
Each cylinder has two injectors (3, 3) for directly injecting fuel into a combustion chamber (4). The injectors (3, 3) are placed at either a position at which, as viewed from the direction of axis of a crankshaft, they are superposed on...  
WO/2007/065286A1
The method and the injector introduce fuel into the combustion chamber (28) through slot-shaped openings by means of a controlled shape change of the nozzle body. The deformation of the nozzle body is produced by inner material effects, ...  
WO/2007/066027A1
The invention relates to an engine (10) including a cylinder (12) containing a sliding piston (14) having a combustion bowl (18) which is associated with an off-centre injector (26). The aforementioned injector sprays the fuel in the for...  
WO/2007/063728A1
A cylinder injection spark ignition internal combustion engine performing stratified charge combustion by forming air-fuel mixture in a part of a cylinder by vaporizing fuel injected into the cylinder in compression stroke during flight ...  
WO/2007/061020A1
In the operation of homogeneous combustion at a lean air-fuel ratio, a tumble flow that circles in a cylinder so as to descend on the exhaust valve side within the cylinder bore and rise on the intake valve side within the cylinder bore ...  
WO/2007/060047A1
The invention relates to a method for operating an internal combustion engine (20) comprising a fuel-injection unit (25) and a spark plug (26), the latter (26) projecting into a combustion chamber (29), the latter (26) generating a laser...  
WO/2007/056784A3
The invention relates to an internal combustion engine, especially a charged internal combustion engine, comprising at least one cylinder (6) with a reciprocating piston (7) and at least two intake valves (4) per cylinder (6) as well as ...  
WO/2007/056784A2
The invention relates to an internal combustion engine, especially a charged internal combustion engine, comprising at least one cylinder (6) with a reciprocating piston (7) and at least two intake valves (4) per cylinder (6) as well as ...  
WO/2007/053855A3
In accordance with embodiments of the present invention, a system is provided comprising an oxygen-enrichment reverse osmosis unit coupled to an intake of an internal combustion engine. Ambient air is supplied to the reverse osmosis unit...  
WO/2007/053855A9
In accordance with embodiments of the present invention, a system is provided comprising an oxygen-enrichment reverse osmosis unit coupled to an intake of an internal combustion engine. Ambient air is supplied to the reverse osmosis unit...  
WO/2007/053855A2
In accordance with embodiments of the present invention, a system is provided comprising an oxygen-enrichment reverse osmosis unit coupled to an intake of an internal combustion engine. Ambient air is supplied to the reverse osmosis unit...  
WO/2007/048439A1
A piston (2) is movable in a cylinder (3), between a top dead center position and a bottom dead center position, and equipped with at least a piston ring (21, 22) sliding against an internal surface (31) of the cylinder. The cylinder (3)...  
WO/2007/036213A1
Disclosed is a combustion engine comprising an injection device (1) for injecting a combustible fuel into a combustion chamber (2). In order to burn the fuel in an optimized manner to reduce consumption, said combustion engine is embodie...  
WO/2007/029782A1
A two-cycle engine (1) comprising an ignition device (8), an exhaust control valve (24), and a control device (40) for controlling the ignition device (8) and the exhaust control valve (24). The control device (40) controllably operates ...  
WO/2007/026558A1
Disclosed is a fuel ignition system (1) for internal combustion engines which ignites a mixed gas with a photocatalyst by utilizing an optical energy irradiated from light generators (30, 31, 32). This fuel ignition system (1) for intern...  
WO/2007/014165A2
A nitrous oxide plate system having a plate adapted to fit in an intake pathway of an internal combustion engine. The plate has at least one central passage therethrough, and this passage forms a portion of the intake pathway when the pl...  
WO/2007/003817A2
The invention relates to a heat engine for a motor vehicle. The inventive engine comprises: at least one cylinder (2) having a central axis (X), a cylinder head (10) enclosing each cylinder (2), and a piston (6) which can move inside eac...  
WO/2007/003817A3
The invention relates to a heat engine for a motor vehicle. The inventive engine comprises: at least one cylinder (2) having a central axis (X), a cylinder head (10) enclosing each cylinder (2), and a piston (6) which can move inside eac...  
WO/2007/000907A1
A cylinder injection type spark ignition internal combustion engine, comprising a fuel injection valve jetting a fuel directly into a cylinder, a spark plug having an ignition gap positioned in the flying route of the fuel jetted from th...  

Matches 451 - 500 out of 13,922