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WO/2018/106873A1 |
A combustion pre-chamber device for a spark ignition internal combustion engine is configured to engage a spark plug and be mounted to a cylinder head in communication with a combustion chamber of a cylinder of the engine. The combustion...
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WO/2018/105627A1 |
An auxiliary-chamber-type gas engine that comprises: a main chamber formation part that forms a main combustion chamber; an auxiliary chamber formation part that forms an auxiliary chamber that communicates with the main combustion chamb...
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WO/2018/106924A1 |
A spark plug is disclosed that includes at least one bore extending through a shell of the spark plug in order to form a passageway between an annular volume around the spark plug insulator nose and a pre-chamber volume of a pre-chamber ...
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WO/2018/107043A1 |
Various rotating coalescer elements are described. The rotating coalescer elements include various arrangements of stacked separator discs or cones. In some arrangements, the described rotating coalescer elements include a combination of...
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WO/2018/105501A1 |
An auxiliary-chamber-type gas engine that comprises: a main chamber formation part that forms a main combustion chamber; an auxiliary chamber formation part that forms an auxiliary chamber that communicates with the main combustion chamb...
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WO/2018/087418A1 |
The prechamber component (7) for a piston engine com- prises a body (7a) made of a first material and a thermal conduction portion (7b), which is an integral part of the prechamber component (7) and which is made of a second material hav...
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WO/2018/071215A1 |
A prechamber ignition device (30) in an internal combustion engine (10) is provided having a body piece (32) formed of a first type of material (58) and a tip piece (38) formed of a second type of material (60). A distal end (64) of the ...
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WO/2018/069432A1 |
The invention relates to a method for operating an internal combustion engine system (1) for a motor vehicle and to an internal combustion engine system (1) of this type. The latter comprises an internal combustion engine (2) formed by a...
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WO/2018/065751A1 |
A spark ignition internal combustion engine of the Merritt engine type as described in international patent publication WO/2007/080366 including a plurality of cylinders, at least one cylinder (102) being made, in use, to operate on a tw...
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WO/2018/057249A1 |
A pre-chamber (120) for a fuel injector (112) is disclosed. The pre-chamber (120) includes a cylindrical body member (140) extending axially from a first end portion (146) to a second end portion (148) opposite to the first end portion (...
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WO/2018/044421A1 |
A method of remanufacturing a prechamber assembly includes determining a width W of an original circumferential weld bead (50) that extends around and joins a proximal end of an outer peripheral wall of a prechamber housing (30) and a di...
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WO/2018/031205A1 |
An internal combustion engine generates a cleaner exhaust. A combustion chamber combusts a fuel and generates combustion products. A fuel inlet channel introduces the fuel into the combustion chamber. An air inlet channel introduces air ...
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WO/2017/186358A1 |
The invention relates to a prechamber spark plug receiving arrangement with a prechamber spark plug, comprising a housing bush, into which a fuel channel for supplying fuel into a prechamber is introduced. A valve member of a switching v...
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WO/2017/184610A1 |
An internal combustion engine (1 1 ) includes a pre-chamber (53, 105, 351 ). In another aspect, pressure within a pre-chamber is equal to or greater than pressure within a main combustion chamber (43, 107, 355) at Ieast prior to ignition...
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WO/2017/126303A1 |
An auxiliary chamber gas engine equipped with: a check valve provided in an auxiliary chamber gas supply passage and configured so as to stop the backflow of fuel gas from the auxiliary chamber; a supply pressure control valve provided o...
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WO/2017/110516A1 |
This auxiliary chamber type engine is provided with a cylinder, a cylinder head disposed on the top part of the cylinder, and a piston which is arranged to reciprocate inside the cylinder and which defines a main combustion chamber betwe...
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WO/2017/102466A1 |
A spark plug assembly (22) with a fuel supply line (36) and a fuel collecting area (38) positioned at an outer side (44) of the spark plug assembly (22) and the fuel collecting area (38) is defined at least at one side by a thread (54).
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WO/2017/093598A1 |
Invention relates to a microwave plasma ignition assembly configured to ignite a combustible fuel mixture in a combustion chamber of an internal combustion piston engine, comprising a prechamber assembly (14) removably adapted for attach...
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WO/2017/089645A1 |
Invention relates to a method of manufacturing a prechamber element for an internal combustion piston engine, wherein a porous base material is formed to comprise an interconnected network of pores such that the porosity of the base mate...
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WO/2017/090177A1 |
Provided is a gas engine configured such that an auxiliary chamber, in which a spark plug is provided at a top part of the auxiliary chamber and an injection hole is provided in a throat formed at a bottom part of the auxiliary chamber, ...
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WO/2017/085440A1 |
A method of operating the stratified charge Merritt Engine described in WO2005/052335 and WO2007/0830366 enabling new benefits such as full compliance with NOx emission regulations, control over peak pressures, increased power density, a...
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WO/2017/082953A1 |
A method for combustion in a combustion chamber of an internal combustion engine includes mixing fuel and air to form a charge, flowing a first portion of the charge to the main chamber of an engine and a second portion of the charge to ...
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WO/2017/083284A1 |
An engine includes a cylinder having an internal combustion chamber and extending longitudinally, a cylinder head coupled to the cylinder, and a fuel-fed pre-chamber positioned within a portion of the cylinder head. The pre-chamber inclu...
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WO/2017/067637A1 |
The invention relates to a prechamber (1) for an internal combustion engine (2), comprising a surface (3) that is situated in the interior (5) of the prechamber (1) and that is impinged by a flow during the operation of the prechamber (1...
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WO/2017/064355A1 |
The prechamber arrangement for a piston engine comprises a prechamber (1), which comprises an opening (3) for receiving a spark plug (4) and at least one fuel inlet (5) for introducing fuel into the prechamber (1), and a nozzle chamber (...
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WO/2017/062660A1 |
An injector-igniter assembly includes a passive prechamber and a fuel injector. In an internal combustion engine, fuel is directly injected into a combustion chamber to mix with air in the combustion chamber. Embodiments enable filing th...
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WO/2017/062003A1 |
A pre-chamber assembly of an internal combustion engine comprises a pre-chamber housing and a plurality of nozzles extending through a portion of the pre-chamber housing. The plurality of nozzles are directed to one location.
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WO/2017/052207A1 |
The present invention relates to a two-stroke-cycle internal combustion engine. More specifically, disclosed is a new two-stroke-cycle internal combustion engine that carries out air supply and scavenging using a separate air compressing...
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WO/2017/048738A1 |
A pre-chamber fuel admission valve (44) includes a fuel inlet (50), a fuel outlet (76), an actuated valve, and a check valve (74). The fuel inlet (50) receives a supply of a fuel. The fuel outlet (76) delivers the fuel to a pre-chamber (...
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WO/2017/049017A1 |
A pressure regulator (120) including an inlet port (126) for receiving a fuel supply, a first outlet port (128) in fluid communication with a main combustion chamber (108) and a second outlet port (130) in fluid communication with a pre-...
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WO/2017/011927A1 |
In an internal combustion engine (ICE), a suitable formation of fuel mixed with air and optimal filling and emptying of the cylinder are important. Performance mainly depends on the time it takes for the mixture to combust and on the eff...
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WO/2017/001875A1 |
The new type of combustion engine performs combustion (work) and exhaust strokes only, or alternatively combustion (work) stroke and scavenging, depending on the given design. Reducing the number of strokes in the engine cycle is made po...
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WO/2017/003460A1 |
An apparatus and method are disclosed for an injector assembly including an injector tip having a prechamber, such as a permanent, passive prechamber (PPPC), and a nozzle combustion shield (NCS) to mitigate pre-ignition events, such as k...
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WO/2016/201473A1 |
The invention relates to a pre-chamber gas control system (1) for a combustion engine (2), comprising at least one combustion chamber (3) and at least one pre-chamber (4) connected to the at least one combustion chamber (3), wherein the ...
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WO/2016/193702A1 |
The invention discloses an ignition source providing a localised high temperature region. In order to improve the energy utilisation, the localised region is partially surrounded by a containment means. Said containment means includes on...
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WO/2016/187628A1 |
The invention relates to an internal combustion engine, comprising a cylinder head (1) and at least one piston/cylinder unit, in which a piston (3) can be moved in a cylinder (2) between a bottom dead center position and a top dead cente...
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WO/2016/186620A1 |
Internal combustion engine apparatuses, systems and methods. The internal combustion engine system includes a cylinder block including a cylinder bore and a piston movably positioned in the cylinder bore. The piston is configured to slid...
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WO/2016/155870A1 |
The invention relates to an internal combustion engine (1) comprising at least one combustion chamber (3) having a main chamber (5) and a prechamber (7), wherein the prechamber (7) is in fluid connection with the main chamber (5) via at ...
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WO/2016/154056A1 |
An air/fuel mixture is ignited in an internal combustion engine by receiving the air/fuel mixture as an incoming air/fuel mixture flow from a main combustion chamber of the internal combustion engine into an enclosure adjacent the main c...
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WO/2016/153868A1 |
A system for igniting a mixture in an internal combustion engine includes an elongate plug body generally residing around a center longitudinal axis and adapted to couple to the internal combustion engine. The system also includes a firs...
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WO/2016/075358A1 |
Invention relates to aprechamber assembly (14) adaptable in a cylinder head (10) of an internal combustion piston engine, the prechamber assembly (14) comprising a prechamber (20), and a pulsed plasma plug assembly (22) which is provided...
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WO/2016/075361A1 |
An internal combustion piston engine (100) is adapted to combust gaseous fuel comprising a gas admission system (75) having an inlet (78) in connection with each cylinder of the engine opening into an inlet channel (50) thereof, and an i...
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WO/2016/066365A1 |
The invention relates to an internal combustion engine (10), comprising at least one cylinder (11), wherein the or each cylinder comprises a main combustion chamber (14) for burning fuel in the cylinder (11), wherein an assembly (15) ser...
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WO/2016/041613A1 |
The present disclosure generally relates to a method for operating a gaseous fuel internal combustion engine including at least one main combustion chamber (8) and at least one ignition device (34) configured to initiate an ignition even...
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WO/2016/025746A1 |
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/2016/017564A1 |
Provided is a laser ignition device (1) that is attached to an internal combustion engine (5) and that comprises: a laser ignition plug (10) equipped with at least an optical window (100) for protecting an optical element from high tempe...
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WO/2015/142744A1 |
A system has an engine. The engine has a combustion chamber, a pre-combustion chamber apart from the combustion chamber, and an opening spanning between the combustion chamber and the pre-combustion chamber. The engine also has a first f...
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WO/2015/136143A1 |
The prechamber arrangement for a piston engine comprises a body part (1) forming the first end (4A) of the prechamber (4) and a separate a nozzle part (2) for discharging fluids from the prechamber (4) into the main combustion chamber (7...
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WO/2015/138987A1 |
An injector-igniter including a pre-chamber in fluid connection with a combustion chamber of a combustion engine may be embodied as an integrated, bolt-in, singular unit that is suitable to operate heavy duty compression ignition engines...
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WO/2015/124829A1 |
The prechamber arrangement for a piston engine (1) comprises a prechamber (17), a prechamber valve (19), a first piston (23) arranged in a first chamber (27) and comprising a piston surface (31) delimiting the first chamber (27), the fir...
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