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WO/2009/114264A1 |
A pre-chamber (12) is provided. In one embodiment, the pre-chamber (12) is part of a two-stroke combustion engine (130) having a cylinder head (10) with a sparkplug receptacle (22) that has a generally frustoconical shape, and the pre-ch...
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WO/2009/114327A1 |
An engine is provided. In one embodiment, the engine includes a precombustion chamber having a body, a secondary combustion chamber disposed at least partially in the body, and a plurality of passages configured to place the precombustio...
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WO/2009/109694A2 |
The invention relates to a pre-chamber arrangement for a cylinder (1) of an internal combustion engine fitted for premixed combustion (Otto cycle), the pre- chamber arrangement including a first chamber (7) for mixing and igniting of the...
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WO/2009/108954A2 |
A four-stroke, piston-powered internal explosion ('IE') engine for providing power output through a rotating crankshaft. The IE engine includes an engine block having power cylinders formed therein for receiving working pistons, bearing ...
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WO/2009/097048A1 |
An air/fuel flow structure for enhancing the fuel efficiency of an internal combustion engine includes a generally conical-shaped flow path useable in the engine. One or more tab and one or more notch are formed in the conical path to al...
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WO/2009/091282A2 |
The inventive engine comprises a working cylinder with a piston, a prechamber with a spark-plug, a cylindrical combustion chamber, a compressor cylinder for heating a fuel-air mixture, provided with a piston, a fuel supply device and fue...
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WO/2009/078260A1 |
A micro-pilot injection type gas engine in which, at the start of the engine, operating conditions of the engine are taken into intermittent operation to make the control of the air-fuel ratio at the start of the engine highly accurate a...
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WO/2009/075056A1 |
A prechamber type diesel engine and a method of operating such an engine. The prechamber type diesel engine has a fuel injection valve (9) for injecting fuel, forced from a fuel injection pump (8), into a connection hole (7). The diesel ...
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WO/2009/060119A1 |
The invention relates to a prechamber arrangement to be fitted into the cylinder head (2) of a combustion engine (1), comprising a separate body part(4) and a nozzle part (5), which together mainly define a prechamber (3), which is conne...
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WO/2009/040177A1 |
The invention proposes an internal combustion engine which is particularly suitable for operation with laser-induced externally-supplied ignition. According to the invention, said problem is solved, in the case of an internal combustion ...
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WO/2008/156897A9 |
A rapid-fire external compression engine having an intake device configured to introduce a pre-compressed fuel-oxidizer mixture from an external source into a combustion chamber having a low-inertia rapid response component. The rapid re...
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WO/2009/014862A1 |
A combustion chamber system, for use in connection with internal combustion powered fastener-driving tools, comprises a dual-level combustion chamber comprising first and second pre-combustion and main combustion chambers, and a dual-lev...
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WO/2009/008521A1 |
Provided is a practical diesel engine using plasma formed by a microwave irradiation. In a compressed ignition internal combustion engine, in which a fuel is injected by an injector into a fuel chamber containing a compressed oxidization...
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WO/2009/001033A1 |
A reciprocating internal combustion engine. The present invention improves the spark ignition facility used by the engine inventions described in patent publications WO2005/052335 and WO2007/080366 by providing a device to ensure reliabl...
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WO/2008/139065A2 |
The invention relates to a method for initiating combustion in an internal combustion engine that comprises a main chamber (5) with a variable volume in which a flammable mixture is fed, an auxiliary chamber (10) giving into the main cha...
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WO/2008/113099A1 |
A fuel delivery system for measuring first fuel usage in an electronically controlled engine as disclosed. A diesel fuel injector (6) for delivering the first fuel is provided and a second fuel injector for delivering liquid gas fuel is ...
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WO2007118068B1 |
A process (100) is provided for enhancing homogeneous combustion and improving ignition in rotary and reciprocating piston IC engines. Physical embodiments supporting this process have secondary chambers (32) embedded in the cylinder per...
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WO/2008/106722A1 |
The invention relates to an engine and a method of operating an engine (30) that employs hydrogen assisted combustion of a hydrogen gas containing fuel or fuel component. The method involves generating the hydrogen gas containing fuel at...
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WO/2008/101013A1 |
A direct injection flathead engine comprising an internal combustion cylinder block with at least one fuel injector positioned substantially transverse to the cylinder axis. The engine also comprises at least one exhaust valve positioned...
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WO/2008/088526A1 |
An ignition system (10) includes an electrical energy delivery device having a first electrode (16) terminating at a first end portion (38) and a second electrode (22) positioned in the ignition system separately from the electrical ener...
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WO/2008/081083A1 |
A prechamber arrangement adaptable in the upper part (2) of a cylinder in a piston engine (1), the prechamber arrangement comprising a prechamber (17), a spring-loaded prechamber valve (19) provided with a piston surface (32) for feeding...
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WO/2008/059117A1 |
The invention relates to a device used in controlled-ignition and high-pressure direct injection engines, that enables the combustion start of an extremely lean fuel/air mixture. The device comprises a bossing provided on the top of the ...
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WO/2008/052246A1 |
An internal combustion engine is disclosed which has a cylinder (14) in which a piston (16) reciprocates. The engine has a cylinder head (13) which has a chamber (50) which communicates with the cylinder (14) via a jet port (70). A spark...
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WO/2008/043154A1 |
The present invention provides a combustion engine. The combustion engine comprises a pre-chamber for receiving a combustible fluid and a first oxygen containing gaseous fluid. The pre-chamber is arranged for operation at a temperature t...
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WO/2008/028472A1 |
The thermal soot particle filter is a device or component in diesel injection systems and is arranged at the hottest points in the vicinity of the injection nozzle in order to split NO2 at the surface of generated soot particles into HON...
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WO/2007/143549A2 |
An engine (106) is disclosed which may operate in a first operating state wherein a spark ignited fuel is ignited in a combustion chamber (216) with an igniter (140) and a second operating state wherein a compression ignited fuel is igni...
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WO/2007/133551A2 |
A method is disclosed for assaying the sensitivity of neoplastic tissue to therapeutic agents, and in particular, for the quantification of pro-apoptotic marker mRNA expression in cells obtained from thinly-sliced living tumor tissue in ...
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WO2007058540A9 |
An internal combustion engine comprises at least a cylinder (2) including at least an inlet valve (3), and an air inlet system (1) including at least an inlet duct (9), which is mounted to the cylinder (2). The inlet valve (3) may be cam...
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WO/2007/087184A2 |
A pre-combustion chamber for an engine is made more simply removable from the cylinder head by integrating the chamber design and not threading the assembly to the head. The assembly is provided as an integrated design using a seal that ...
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WO/2007/080366A1 |
A high thermal efficiency lean-burn spark-ignition two or four stroke engine operable unthrottled suitable for vehicles using gasoline. It uses an indirect combustion chamber and a transfer orifice with shaping of the combustion chamber ...
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WO2007012938B1 |
The inventive process chamber engine (PKM) is a combustion piston engine comprising a process chamber as a novel form of pre-combustion chamber, into which liquid fuel continuously flows and is processed therein over a plurality of cycle...
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WO/2007/075229A1 |
An internal combustion engine (10) having a compression ignition initiation device (20) is provided. The compression ignition initiation device (20) includes a body (21) defining a chamber (34) and an outlet (36) from the chamber (34). T...
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WO/2007/055874A2 |
A method and article of manufacture are provided to operate a spray-guided, spark-ignition, direct fuel injection engine, including injecting a first fuel pulse during a combustion cycle, and initiating spark ignition by energizing a spa...
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WO2006011950A9 |
A method and apparatus to maximize spark plug life in pre-chamber spark plugs operating with ultra-lean mixtures and/or elevated engine BMEP is presented. Electrode erosion is reduced by spreading discharge energy over a wider surface ar...
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WO/2007/032206A1 |
A spark ignition engine capable of operating even with a leaner air-fuel mixture to achieve stable ignition and combustion performance. An ignition plug (7) is fitted to a cylinder head (1) through a sleeve (6), and the ignition electrod...
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WO/2007/006062A1 |
The invention relates to a method for operation of an internal combustion engine operated with gaseous fuel, wherein, at least during one engine operating range, the combustion of the fuel gas/air mixture introduced into the main combust...
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WO/2007/000903A1 |
A piston (5) is reciprocatably provided in a cylinder block (1), and an intake channel (12) and an exhaust channel (14) are provided in a cylinder head (10). An intake valve (15) is provided in the intake channel (12) and is formed by an...
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WO/2006/110334A1 |
A multi-part module including a flame cone and a connector adapted to be interposed between the normal spark plug port in an internal combustion engine block and a spark plug suitable for use with the engine in question. In the method, a...
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WO/2006/092529A1 |
The invention concerns a method for operating a four-stroke internal combustion engine comprising a prechamber ignition and a piston moving between bottom and top dead centers, the intake and exhaust valves being actuated for example by ...
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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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WO/2006/043818A1 |
The invention relates to a device for a prechamber unit (10) of a gas engine, comprising a prechamber unit (10) in the form of an elongated body (12) arranged to be placed in an upper part of the engine's cylinder, and where the elongate...
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WO/2006/018291A1 |
The invention relates to an internal combustion engine (1) for liquid or gaseous fuels, with a main combustion chamber (21) and a pre-chamber (4, 4', 41, 41'), in which an ignition device (31) is provided, comprising d) a device (2, 2'),...
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WO/2005/121522A1 |
An internal combustion engine performing each stroke of suction, compression, explosion, expansion, and exhaustion in a variable volume operation chamber formed between a housing and a piston. The engine has a fixed volume independent co...
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WO/2005/111393A1 |
The invention relates to a spark-ignition engine with a highly structural compression ratio greater than 15: 1, throttle regulation, externally supplied ignition and with direct fuel injection into a precombustion chamber (5), which is c...
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WO/2005/098230A1 |
The invention relates to a method and installation for operating an internal combustion engine (8), which comprises a mixture chamber (16) into which fuel is injected by an injection device (24). A carrier gas which is capable of reactin...
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WO/2005/095769A1 |
The invention relates to motor engineering. The inventive engine comprises a working cylinder (1) provided with a piston (2), a preignition chamber (6) provided with a spark plug (7) and a combustion chamber (5) which are connected to a ...
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WO/2005/080782A1 |
It has been discovered that a slightly prolonged explosion leads to greater mechanical efficiency. The expansion explosion is accompanied by simultaneous consecutive mini-explosions, i.e. chain reactions which feed on the preceding explo...
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WO/2005/073534A1 |
The invention relates to a direct injection internal combustion engine (1) which comprises at least one cylinder (4), having a combustion chamber (5) and a piston (6) performing an oscillating movement therein, and an injection nozzle (7...
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WO/2005/073553A2 |
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WO2004109077B1 |
An internal combustion engine is adapted for operation with homogeneous combustion and compression ignition. The engine includes plural cylinders with the piston in each cylinder defining the main combustion chamber and connected to a cr...
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