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WO/2018/224979A1 |
A two-stroke internal combustion heat engine (1) with fuel direct injection, wherein the heat engine (1) has: at least one cylinder (2) with an internal combustion chamber (7) having a cylindrical symmetry around a first longitudinal axi...
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WO/2018/202977A2 |
The invention relates to a method for updating a dynamic for adjusting a measured richness to a richness set value for an air/fuel mixture in a heat engine when at least one pre-determined engine operating condition (cond1 to condx) is i...
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WO/2018/202976A2 |
The invention relates to a method for adjusting the richness set value (Sensor rich set value) during air scavenging of a so-called upstream sensor disposed in an exhaust line of a heat engine, the air scavenging being performed on fresh...
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WO/2018/187811A1 |
Apparatuses, systems and method for utilizing multi-zoned combustion chambers (and/or multiple combustion chambers) for achieving compression ignition (and/or spark-assisted or fuel-assisted compression ignition) in an internal combustio...
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WO/2018/176171A1 |
An engine having a cylinder member provided with a built-in concealed air channel and filling a conventional scavenging passage. The cylinder member (44) is provided with the concealed air channel (533). The entirety of the concealed air...
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WO/2018/183497A1 |
Internal combustion engines that use the pumping motion of the engine pistons to supercharge the cylinder with air/charge are disclosed. The pistons may include a skirt with a field of pockets that provide a ringless, non-lubricated, sea...
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WO/2018/172703A1 |
The invention relates to a two-stroke internal combustion engine (700) whose engine casing (701) comprises sealing means that, at all times and under all circumstances, confine the oil in the lower casing (703). According to the inventio...
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WO/2018/166669A1 |
The invention relates to a piston (100) for an internal combustion engine (200) of a tool, said piston having a piston upper edge (11), which points towards the combustion chamber (21) of a cylinder (20) of the internal combustion engine...
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WO/2018/163237A1 |
This uniflow scavenging type two-cycle engine is provided with: a cylinder (110); a scavenging port (118) which is formed in the cylinder, opens in the process of a piston (114) moving toward a bottom dead center, and introduces active g...
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WO/2018/163245A1 |
This uniflow scavenging type two-cycle engine, in which exhaust gas in a cylinder is extruded from an exhaust port (142) by means of scavenging gas introduced from a scavenging port, is provided with: a valve body (144a) that openably cl...
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WO/2018/158593A1 |
A method of operating a two stroke engine comprises the steps of providing at least one cylinder; an intake system; an exhaust system; and a variable area valve; communicating between intake and exhaust systems; and varying the area of s...
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WO/2018/146251A1 |
The invention relates to a two-stroke internal combustion engine (1) comprising at least one a cylinder (3), which is provided with a combustion chamber (2) and an outlet (8), and a crank housing (7), which is provided with a crankshaft ...
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WO/2018/144226A1 |
In an air handling system of an opposed-piston engine, mass airflow sensor operation is monitored by comparing mass airflow measured by the sensor with mass airflow through a supercharger.
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WO/2018/135191A1 |
Provided is a two-stroke engine that does not require the use of a high-pressure injection system, and in which pass-through can be suppressed by stratified scavenging even when applied to a long-stroke engine. This two-stroke engine com...
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WO/2018/106391A1 |
In a turbocharged, uniflow-scavenged, two-stroke cycle, opposed-piston engine, transient changes in engine operating conditions initiate modes of air handling operation during which reversal of EGR flow in a high pressure EGR loop of the...
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WO/2018/047024A1 |
Herein described is a two-stroke internal combustion engine (100), comprising: a cylinder (135) having a pre-set central axis (B); a piston (145) slidably coupled to the cylinder (135) and suitable to divide the interior volume thereof i...
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WO/2018/044995A1 |
A new engine which incorporates the advantages found in a two-stroke with the advantages found in a four-stroke engine combined.
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WO/2018/024771A1 |
A port belt arrangement for use in a two-stroke internal combustion engine containing a pair of adjacent cylinders. The arrangement including a first hollow annulus defining a first annular channel, the first annular channel tapering in ...
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WO/2018/024319A1 |
The invention relates to a two stroke internal combustion engine comprising: - a cylinder with an inlet port and outlet port arranged in the cylinder wall; - a piston movable within the cylinder between a top position and a bottom positi...
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WO/2018/004358A1 |
A two-cycle engine capable of higher compression works by a cam opening the air intake valve of the engine at top dead centre. Compressed air is filled in the top of the cylinder and the valve shuts. A spray of fuel is injected into the ...
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WO/2017/216665A1 |
A two-stroke internal combustion engine comprising: a piston-cylinder group defining a combustion chamber and a pumping chamber, the piston being mobile in the cylinder between a bottom dead centre, wherein the volume of the combustion c...
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WO/2017/200874A1 |
Technology is provided for a bilateral engine control system for use on a multi-cylinder opposed piston engine. The system includes first and second sets of injectors, each set mountable on first and second sides of an engine. Each injec...
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WO/2017/192314A1 |
A configuration for a uniflow-scavenged, opposed-piston engine reduces exhaust cross-talk caused by mass flow between cylinders resulting from one cylinder having an open exhaust port during scavenging and/or charging while an adjacent c...
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WO/2017/185818A1 |
Provided is an internal combustion engine having a variable combustion chamber volume and using an auxiliary crankshaft to drive an auxiliary piston, the internal combustion engine comprising a cylinder (21) and a crankshaft (24) in tran...
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WO/2017/174440A1 |
The invention relates to a method for operating an internal combustion engine (1) having an exhaust gas section which has an exhaust gas catalytic converter (2), a first exhaust gas probe (3) at an exhaust gas catalytic converter inlet (...
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WO/2017/154716A1 |
An engine system according to one embodiment of the present invention is provided with: an air cooler for cooling fresh air provided to a scavenging flow channel; a scrubber for cleaning, with a cleaning fluid, EGR gas provided to an EGR...
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WO/2017/152200A1 |
The invention relates to a two-stroke internal combustion engine comprising at least one cylinder (1), which receives a piston (2), and at least one injection nozzle (4), which is inserted into a bore (5) in the cylinder casing (6), in t...
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WO/2017/152244A1 |
Classic two stroke valve-less petrol engine, which operates without added lubricating oil to the fuel-air mixture. The above mentioned invention is applicable in the motorcycle industry, automotive industry, water sports industry, mechan...
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WO/2017/100097A1 |
An air handling arrangement in a two-stroke cycle, opposed-piston engine with unif!ow scavenging and constructed for heavy-duty operation includes sequentially arranged turbochargers in series with a supercharger, in some aspects, the ai...
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WO/2017/095441A1 |
A uniflow engine includes a cylinder having a cylinder wall, a volume exterior to the cylinder, at least one channel extending between the cylinder wall and the volume, and a valve outside of the cylinder configured to open and close flo...
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WO/2017/094616A1 |
In this gas engine, an active gas flows from a scavenging port into the cylinder and a fuel gas which is mixed with the active gas burns. The gas engine is provided with: a fuel injection section (144) having a fuel injection opening (15...
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WO/2016/196063A1 |
A cylinder for opposed-piston engines includes a liner with a bore and longitudinally displaced intake and exhaust ports near respective ends thereof. An intermediate portion of the liner between the exhaust and intake ports contains a c...
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WO/2016/170380A1 |
The object of the present invention is a two-stroke endothermic engine (1), specifically designed for the reduction of polluting emissions, comprising a single transfer port (109) for the transfer of the fresh mix (MF) or fresh mix + lub...
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WO/2016/155780A1 |
An internal combustion engine (10), including a cylinder (15) with a cylinder wall (12) defining a combustion chamber (32), a piston (13) reciprocally disposed within the combustion chamber (32) a crankcase (16) including a crankshaft (1...
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WO/2016/128861A1 |
An electronic injection two-stroke endothermic engine comprising an upper fuel injector (13) and a lower fuel injector (14), both accommodated in an intake duct (12) directly facing the cylinder (1), the latter closed by a head to form a...
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WO/2016/106310A1 |
An in-line valve comprises a solenoid assembly comprising a hollow tubular pole piece, a bobbin, a coil, and flux collection plates. A cylindrical armature is within the pole piece, the armature comprising a hollow central passageway and...
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WO/2016/106314A1 |
An in-line valve comprises a valve port and a solenoid assembly. The solenoid assembly comprises a hollow tubular pole piece, a bobbin, a coil, and flux collection plates. A fluted armature is within the pole piece. The armature comprise...
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WO/2016/101078A1 |
A linear piston engine includes a housing having a combustion chamber located between opposing first and second piston chambers. A first piston assembly is located within the first piston chamber, and a second piston assembly is located ...
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WO/2016/089662A1 |
On-board diagnostic monitoring of a two-stroke cycle, opposed-piston engine includes diagnostic monitoring of an air handling system equipped with a supercharger to determine whether the supercharger is functioning properly.
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WO/2016/072375A1 |
A uniflow scavenging two-cycle engine equipped with a cylinder having a combustion chamber formed in the interior thereof, a piston for sliding inside the cylinder, a scavenging port for introducing an active gas into the combustion cham...
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WO/2016/072391A1 |
A uniflow-scavenged two-cycle engine (100) is provided with: a cylinder (110) having a combustion chamber (24) formed therein; a piston (112); a scavenging chamber (122) that surrounds one end side of the piston in the stroke direction w...
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WO/2016/068128A1 |
In a uniflow scavenging two-cycle engine, a scavenging port (126) is provided with: a swirl guide (126a) for guiding scavenged gas from outside a cylinder (110) to the inside of the cylinder, in a direction inclined relative to the radia...
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WO/2016/062950A1 |
The invention relates to a two-stroke exhaust system for an internal combustion engine, provided with at least two cylinders. Each cylinder comprises at least one exhaust outlet controlled by a valve (16a, 16b). The system comprises at l...
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WO/2016/053256A1 |
A two-stroke, opposed-piston engine includes a cylinder with an inlet piston controlled inlet port and an exhaust piston controlled exhaust port, the cylinder defining a combustion chamber with the inlet piston and the exhaust piston, a ...
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WO/2016/041298A1 |
A two-stroke internal combustion engine, comprising a diversion fin (1) and an allowance slot (2); the diversion fin (1) comprises a structure having flanges at two ends and a rectangular longitudinal section profile; the diversion fin (...
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WO/2016/043312A1 |
The pistons in this reciprocating engine perform reciprocating motion inside of cylinders by means of the explosive pressure generated in a combustion chamber (124) formed inside of the cylinders (110). This reciprocating engine is provi...
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WO/2016/031718A1 |
The present invention reduces the volume inside a crankcase and improves scavenging efficiency with a simple structure. When a piston 11 is bottom dead center, a crankcase first projection 20A in which the inner face of a crankcase 20 pr...
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WO/2016/022418A1 |
An opposed-piston engine includes an inline cylinder block with an open exhaust chamber that contains all of the engine's exhaust ports. Exhaust outlets open from the exhaust chamber through opposing sides of the cylinder block. A turboc...
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WO/2016/018184A1 |
The present invention relates to a procedure for a 2-stroke engine comprising at least one cylinder (1) with a reciprocating piston (2), a defined combustion or expansion chamber (5), at least an outlet port (7) which is exposed at the p...
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WO/2016/016522A1 |
The invention proposes a two-stroke heat engine comprising at least one axial cylinder (12) having a bore (14) in which a piston slides and which comprises a plurality of substantially hexahedral peripheral ports (34) able to be opened o...
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