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WO2015122058A1 |
The objective of the present invention is to improve operating efficiency and reduce combustion fluctuation in a gas engine that is equipped with a combustion chamber and an auxiliary chamber and that controls the supply of a fuel gas wi...
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WO/2015/101778A1 |
An internal combustion engine (10) comprising: a piston (12) arranged to reciprocate within a cylinder (14); an adjustable volume induction chamber (50) communicating with the cylinder (14); an air inlet port (30) communicating (42) with...
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WO/2015/093309A1 |
This gas engine is equipped with a cylinder head (30); a prechamber cap that protrudes from the center of the cylinder head (30) into a main combustion chamber, has a prechamber therein, and supplies a flame generated in the prechamber t...
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WO/2015/093279A1 |
This gas engine is equipped with: a cylinder head (30); a prechamber cap (43) that protrudes into a main combustion chamber (33) when inserted in an insertion hole (38) formed in the cylinder head (30), has a prechamber (41) therein, and...
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WO/2015/060236A1 |
The purpose of the present invention is improve a trap effect for trapping ignition fuel gas supplied to a prechamber, reducing the amount of unburned ignition fuel gas flowing out of the prechamber and suppressing degradation of combust...
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WO/2015/053331A1 |
In order to provide a piston for auxiliary chamber-type gas engines and an auxiliary chamber-type gas engine that take into consideration the shape of a piston head so as to eliminate the range in which flame propagation by torch jet is ...
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WO/2015/024291A1 |
An ignition system for an internal combustion engine, comprising a combustion chamber (11) and a spark plug (13), the combustion chamber comprising a hollow cylinder body, the inner wall of the cylinder having a spark plug mounting chann...
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WO/2015/024515A1 |
An ignition system (20) of an internal combustion engine, comprising a combustion chamber (21) and a spark plug (22); the combustion chamber (21) comprises a hollow cylinder (211), and the inner wall of the cylinder is provided with a sp...
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WO/2015/009965A2 |
An igniter system for a reciprocating piston internal combustion engine having one or more cylinders including at least one igniter per cylinder is disclosed. The igniter system can comprise: a combustion chamber connected to a main cyli...
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WO/2014/201030A1 |
Air/fuel mixture is received from a combustion chamber of the internal combustion engine into an enclosure about a flame kernel initiation gap between a first ignition body and a second ignition body. Air/fuel mixture received into the e...
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WO/2014/191085A1 |
The invention relates to a prechamber spark plug (1) having a housing (3) which has a prechamber (11) which is enclosed by a wall (5) which is penetrated by at least one shooting channel (7, 9), and having an ignition device (13) which i...
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WO/2014/165236A2 |
In certain embodiments with large size prechambers and/or with prechambers that have large spark-gap electrode assemblies, a poor scavenge of the crevice volume may cause deterioration of the preignition margin, which then may limit the ...
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WO/2014/148177A1 |
With the objective of providing a sub-chamber fuel supply device that is for a sub-chamber gas internal combustion engine, has a low operating cost, has high reliability, effects fuel economy and stable combustion, and reduces unevenness...
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WO/2014/147978A1 |
A fuel supply controlling device (100) comprises a prechamber fuel supply valve (18) that supplies gas fuel to a prechamber (24), a check valve (19) that is disposed between the prechamber fuel supply valve (18) and the prechamber (24) a...
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WO/2014/149290A1 |
Described herein is a combustion pre-chamber apparatus for a main combustion chamber of an internal combustion engine that includes a body that defines an internal combustion cavity. The apparatus also includes at least one orifice that ...
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WO/2014/114846A1 |
The method for operating a multi-cylinder piston engine, in which engine each cylinder (10) is provided with a reciprocating piston (14) and a pre-combustion chamber (2), comprises the steps of introducing gaseous fuel into an intake duc...
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WO/2014/117177A1 |
A heat retaining element (20) is provided, which is configured to be provided between a head (11) and a main combustion chamber (18) of an internal combustion engine, the combustion chamber (18) of the engine being arranged between a hea...
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WO/2014/111138A1 |
The present invention relates to a spark-ignited gas engine 1 having an exhaust gas duct 6 and a cylinder head 1.2, said cylinder head 1.2 having at least one spark plug 2 with a prechamber 2.1 and an injector 2.2, said injector 4 being ...
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WO/2014/109835A1 |
An engine has an ignition source in a combustion chamber of the engine. An inner housing is provided that includes one or more jet apertures and defines an inner chamber containing the ignition source. An outer housing (or pre-chamber) i...
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WO/2014/104908A1 |
The claimed engine design is meant for use in piston-type internal combustion engines. The engine contains a cylinder (1) having therein a piston (2) linked to a connecting rod (3). A crankshaft (4) is installed in a crankcase (5) and ca...
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WO/2014/094808A1 |
The present disclosure generally relates to an ignition plug tip (70) of an ignition plug configured to be used in an internal combustion engine including at least one main combustion chamber. The disclosed ignition plug tip (70) may com...
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WO/2014/098644A1 |
The claimed design for an engine is intended for use in internal combustion piston engines. The engine comprises a cylinder (1) with a piston (2) arranged therein. A projection (3) in the form of a cone is formed at the bottom of the pis...
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WO/2014/085696A1 |
Technologies are provided for employing an ion flow to control a combustion reaction. A combustion reaction is supported at a burner or fuel source. One or more electrical signals are applied to an ionizer to generate an ion flow having ...
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WO/2014/072040A1 |
The invention relates to a mixture-charged gas engine (1) with at least one cylinder (3). A combustion chamber (11) delimited by a cylinder head (5), a cylinder wall (7), and a piston (9), which can be moved in the cylinder (3), is arran...
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WO/2014/070126A1 |
The invention relates to engine construction. The aim of the invention consists in that a mechanical resistance is created in the combustion chamber in order to initiate a detonation, in the form of a slot which is formed between the hea...
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WO/2014/053167A1 |
The present invention relates to a spark-ignited gas engine (1) having an exhaust gas duct (6) and a cylinder head (3), said cylinder head (3) having at least one spark plug (2) with a prechamber (2.1) and an injector (4), said injector ...
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WO/2014/049646A1 |
A combustion stabilization device (100) is applied to a prechamber gas engine (1) that includes a combustion chamber (32) having a main chamber (33) and a prechamber (34) connected to the main chamber (33) and that includes an ignition d...
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WO/2014/046185A1 |
The purpose of the invention is to provide a prechamber gas engine such that occurrences of knocking are suppressed, said prechamber gas engine (1) comprising: a cylinder (2); a cylinder head (4); a piston (6) which defines a main combus...
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WO/2014/027214A1 |
The subject of the invention is an internal combustion piston engine and a method of its operation combining efficient features of two-cycle engines (two-stroke engines) and four-cycle engines (four-stroke engines). Furthermore, this eng...
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WO/2013/153842A1 |
The objective of the present invention is to provide a 2-cycle gas engine that can suppress the occurrence of NOx, PM, and black smoke during a gas driving mode. The present invention is provided with: a piston (4) that demarcates a prim...
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WO/2013/096979A1 |
Pre-chamber system (1) for an internal combustion engine with: - a pre-chamber (2) having a wall (3), - a spark plug (4) having at least one electrode (13), - a gas introduction device (5), particularly a gas valve, - a gas channel (7) c...
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WO/2013/093200A1 |
The invention relates to a method of operating an internal combustion engine by combusting gaseous fuel comprising the steps of feeding gaseous fuel and combustion air to the combustion chamber of the engine, compressing the mixture of t...
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WO/2013/080829A1 |
Provided is an auxiliary chamber gas supply apparatus for a gas engine provided with auxiliary chamber gas supply channels (5, 14, 28, 29) for supplying fuel gas to an auxiliary chamber (4), the auxiliary chamber gas supply channels conn...
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WO/2013/082553A1 |
An internal combustion engine, including a combustion chamber with a first aperture; a compression chamber with a second aperture; and a crossover valve comprising an internal chamber, first and second valve seats, a valve head, and firs...
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WO/2013/074141A1 |
A cylinder head has a plunger receptacle and a piston has a plunger which, when the piston is reciprocating within an engine cylinder over an engine cycle range between BDC and an intermediate position spaced from both TDC and BDC, expos...
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WO/2013/056283A1 |
The invention relates to an internal combustion engine (1), in particular a stationary gas engine, comprising a combustion chamber (2) to which a propellant (B1) can be fed from a first propellant source (4) via a combustion chamber pipe...
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WO/2013/041289A1 |
The invention relates to a pilot chamber module (110) for a laser spark plug (100), wherein the pilot chamber module (110) has at least one primary fluid duct (PF1, PF2, PF3, PF4) in an end region (110a) which faces the combustion chambe...
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WO/2013/033668A1 |
A prechamber spark plug may have a prechamber having a pre-determined aspect ratio and hole pattern to achieve particular combustion performance characteristics. The aspect ratio and hole pattern may induce a rotational flow of fuel-air ...
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WO/2013/010195A1 |
A method for operating a stationary power generating plant (1), comprising a gas engine (2) with at least one pre-chamber (3) and at least one main combustion chamber (4), wherein the stationary power generating plant (1) is fed a gas st...
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WO/2013/012258A2 |
The present invention relates to a precombustion chamber structure for a gas engine, and the object of the present invention is to provide a precombustion chamber structure for a gas engine, in which a precombustion chamber is easily mai...
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WO/2013/007863A2 |
The invention relates a two-stroke internal combustion engine (10) comprising at least one cylinder (20) with a piston (24) arranged reciprocateably between its top dead center and bottom dead center, and a cylinder cover (26) defining a...
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WO/2012/169899A1 |
A valve system is described for a gas engine (20) comprising a number of valves (36, 44) that are arranged to regulate the amount and supply of gas into an inlet manifold (16) in the engine (20). The system comprises a valve housing (30)...
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WO/2012/152471A1 |
The invention relates to a laser spark plug (100), in particular for an internal combustion engine of a motor vehicle or a large gas engine, having a prechamber (110) for receiving an ignitable medium, having means (105) for irradiating ...
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WO/2012/152462A1 |
The invention relates to a laser spark plug (100), in particular for an internal combustion engine, having an antechamber (110) for accommodating ignitable medium and having means (120) for applying laser radiation (130) to an ignition p...
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WO/2012/117418A1 |
The subject matter described herein relates to a two-stroke internal combustion (IC) engine (100). The two-stroke IC engine (100) includes a cylinder head (126) and a cylinder block (108) on which the cylinder head (126) is mounted. The ...
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WO/2012/095071A1 |
Proposed is an internal combustion engine with compression-induced auto-ignition in the form of a reciprocating-piston engine, having at least one cylinder (1) in which a piston (2) which is connected via a connecting rod to a crankshaft...
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WO/2012/088551A1 |
An internal combustion engine, having: - a cylinder head (6) which has a cylinder head base (5), a cylinder wall (7) and a piston (8) which is movable along a cylinder axis (Z) and which has a piston crown (9), wherein a main combustion ...
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WO/2012/092371A1 |
This disclosure relates to an interface between an engine block and a cylinder head. The interface includes a ferrule that accommodates relative movement between the cylinder head and the engine block while maintaining sealing of fluid p...
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WO/2012/090216A1 |
The present subject matter relates to a two stroke internal combustion (IC) engine (100). The two stroke IC engine (100) comprises a cylinder head (122) having an auxiliary combustion chamber (132) to achieve at least partial combustion ...
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WO/2012/064392A1 |
A system (10), comprising, a combustion chamber (26), and a free-radical ignition system (12) configured to inject free radicals into the combustion chamber (26) at an ignition timing to trigger combustion of a fuel-air mixture.
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