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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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 (...
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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...
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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, ...
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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...
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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 ...
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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 ...
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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...
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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 ...
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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)...
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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...
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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 ...
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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...
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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...
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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...
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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...
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WO/2007/001227A1 |
The present invention relates to an internal combustion engine of piston type operating with a mixture of combustible fuel and air comprising at least one combustion chamber (11) and a piston (2) movably arranged in said combustion chamb...
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WO/2006/114946A1 |
A direct injection diesel engine having a piston (11) with a cavity (21) formed by a recess in the upper surface of the piston and a fuel injection nozzle (12) for injecting fuel into the cavity (21) of the piston. Sets of injection hole...
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WO/2006/104144A1 |
An ion sensor enabling more precise control of an internal combustion engine by detecting combustion phenomenon while taking account of flame propagation in the direction of traversing the combustion chamber, and control method and syste...
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WO/2006/103034A1 |
The invention relates to a fuel-supply system for a spark-ignition engine (1), comprising one injection valve (3) per cylinder (2), said valve being designed to inject a mixture of a liquid fuel and a combustion gas into a combustion cha...
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WO/2006/100821A1 |
An in-cylinder injector (110) injects a spray such that the spray spreads in an inverted V-shape with a spark plug lying between two prongs when viewed from above and in a fan shape when viewed from a side. On a top surface of a piston, ...
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WO/2006/097639A1 |
The invention concerns an internal combustion engine, in particular with direct injection comprising at least one cylinder (10), one piston (30) sliding in said cylinder, a combustion chamber (26) delimited on one side by the upper side ...
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WO/2006/093769A1 |
Cylinder head assemblies including a cylinder head and a piston are disclosed. The cylinder head includes: a recessed valve region including a first and second bulbous portion connected by a waist, the first bulbous portion accommodating...
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WO/2006/087451A1 |
The invention relates to a method for control of fuel injection for an internal combustion engine, in particular with direct fuel injection, comprising at least one cylinder (10), one piston (30) running in said cylinder, with a projecti...
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WO/2006/079818A1 |
A four stroke internal combustion engine has a cylinder (13) with first inlet port 1 directed to discharge in a direction tangential to the periphery of the cylinder (13) and a second inlet part directed to discharge towards the centre o...
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WO/2006/079369A1 |
The invention relates to an internal combustion engine (1) comprising at least one cylinder (2) which is provided with a cylinder bore (2a) and in which a combustion chamber (4) is delimited between a piston (3) and a cylinder head (5), ...
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WO/2006/080472A1 |
In an engine 5 including an in-cylinder injector (50), the valve timing of an intake valve (80) is retarded by VVT (Variable Valve Timing) controlled by an engine ECU (300) to decompress in a combustion chamber (30) at engine startup. In...
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WO/2006/077019A1 |
The invention relates to a vehicle piston internal combustion engine (10) comprising at least one cylinder, a piston (1) located in the cylinder and comprising a recess (2), and a cylinder head that has a roof form correlating with the r...
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WO/2006/073091A1 |
In a direct injection diesel engine, a center cavity (13) as a circular recess is formed in the top (4a) of a piston (4), and the engine has an injector for directly injecting fuel into the cavity (13). Auxiliary cavities (14) are formed...
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WO/2006/072983A1 |
A cylinder injection spark ignition type internal combustion engine, wherein a cavity (30) having a bottom face (32) on which a projected part (32a) tilted downward toward the exhaust side and protruded from a center part to a wall surfa...
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WO/2006/069480A1 |
The invention discloses a rotary engine which consists of a turbine, more than one slide blocks and knightheads. Several non-reverse triangular bag-type recesses as pistons that can improve unit energy are arranged emitting helically on ...
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WO/2006/058525A1 |
Disclosed is a two-part piston (1) for a combustion engine comprising a combustion chamber (16) in the piston head (13). Said piston (1) is composed of a basic member (5) and a top part (6) that is screwed to the basic member (5). In ord...
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WO/2006/058640A1 |
The invention relates to a diesel internal combustion engine comprising at least one cylinder (1), in which a combustion chamber (5) is delimited between a piston (3) and a cylinder head (2), a fuel injector (6) that is located in a cyli...
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WO/2006/058596A1 |
The invention refers to the field of internal combustion engines and in particular it refers to a piston for internal combustion engines, of the type comprising a combustion chamber (4) obtained in the piston head (2) wherein a convexity...
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WO/2006/059037A1 |
The invention relates to a direct-injection diesel engine (1) comprising a fuel injector (24) that is designed to spray fuel against a lateral surface (10) of a combustion chamber (8) provided in a piston (4), namely by spraying a first ...
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WO/2006/058617A2 |
The invention relates to an internal combustion engine comprising at least one cylinder (1) in which a combustion chamber (5) is defined between a piston (3) and a cylinder head (2), a fuel injector (6) arranged in the cylinder head (2),...
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WO/2006/056183A1 |
The invention relates to a method for producing a piston (1) for a combustion engine comprising a combustion recess (2), during which an annular fiber preform (3) for reinforcing the edge of the combustion recess (2) is firstly fastened ...
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WO/2006/056126A1 |
The present invention relates to a spatial cam power transmitting mechanism for the conversion between linear movement and rotary motion. Several transmitting mechanisms for the conversion between reciprocating motion of a roller shaft a...
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WO/2006/048128A1 |
The invention relates to an internal combustion engine (1) comprising at least one cylinder (2) which has a cylinder borehole (2a) and in which a combustion chamber (4) is defined between a piston (3) and a cylinder head (5); at least on...
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WO/2006/047856A1 |
A method of operating a gaseous-fueled internal combustion engine comprises selecting one of at least two predetermined operating modes as a function of engine load and engine speed. A first operating mode is selected when said engine is...
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