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Matches 1 - 50 out of 4,168

Document Document Title
WO/2024/079299A1
The invention relates to an internal combustion engine (1) comprising a combustion chamber, a fuel injection circuit (60), a fresh gas intake line (20) equipped with at least one intake valve (17A), an exhaust line (80) for exhausting th...  
WO/2024/038292A1
A two-stroke internal combustion engine with at least two parallel horizontal cylinders and four pistons or their multiples connected in coordination to one crankshaft by means of rods and a swing arm for each of the two cylinders as sho...  
WO/2024/032899A1
Described is a large turbocharged two-stroke uniflow crosshead internal combustion engine, which has at least one mode of operation in which the main fuel is a low flash point fuel, such as ammonia, ethane, LPG or DME, which main fuel is...  
WO/2024/032900A1
Described is a large turbocharged two-stroke uniflow crosshead internal combustion engine, which has at least one mode of operation in which the main fuel is a low flash point fuel, such as ammonia, methanol, ethanol, DME, methane, ethan...  
WO/2024/022996A1
A hydrogen internal combustion engine (10) comprising a cylinder (12) having a chamber (12A) extending along an axis (Y1), a cylinder head (54), a movable jacket (60) configured to reciprocally travel in the chamber (12A), a piston (14) ...  
WO/2023/242501A1
The present invention concerns the production of carbon-free thermal energy by reciprocating engines. It relates to a compression auto-ignition combustion method. This method is best implemented in a highly turbocharged 2-stroke cycle de...  
WO/2023/228570A1
This hydrogen engine comprises: a cylinder; a piston reciprocatably provided inside the cylinder; an intake port provided on the cylinder to take air into a combustion room; an exhaust port provided on the cylinder to exhaust air from th...  
WO/2023/228569A1
A two-stroke hydrogen engine 10 is a uniflow-type engine, and comprises a cylinder 12, a piston 16 reciprocatably provided inside the cylinder 12, an intake port 26 provided on a lateral surface of the cylinder 12 to take air into a comb...  
WO/2023/219601A1
An engine is provided with various enhanced features. For example, a 2-stroke diesel engine has a porting design that enhances the efficiency of a scavenging event. In specific embodiments, a four-piece piston is positioned in each cylin...  
WO/2023/176435A1
A two-stroke engine (1) is provided with a cylinder (2) and a piston (4) that reciprocates along an axial direction inside a bore part (3). A suction port (12) is opened and closed by the piston (4). The two-stroke engine (1) is provided...  
WO/2023/162144A1
In an air intake-type two-stroke engine 10, an exhaust port 20, a scavenging port 22, etc. are opened and closed by a piston 12. A fuel injection valve 60 is disposed at an upper end section 24a of a scavenging passage 24. The fuel injec...  
WO/2023/158615A1
An opposed-piston engine is configured to use hydrogen fuel. The opposed-piston engine has at least one cylinder and a pair of pistons disposed for opposed motion in a bore of the cylinder. Hydrogen fuel is directly side-injected into th...  
WO/2023/056511A1
A two-stroke internal combustion engine, comprising a cylinder, a piston reciprocating within the cylinder, a crankcase that is correspondingly pressurised and de-pressurised beneath said piston, a throttle-controlled carburettor for cre...  
WO/2023/009015A1
The invention relates to a piston with outer housings that is connected to at least two coupled crankshafts, transforming the reciprocating linear motion of the piston into rotary motion of the crankshafts. A cylinder sleeve with the pis...  
WO/2022/161594A1
The method of operating a two-stroke piston engine (1) comprises the steps of supplying liquefied gaseous fuel to each cylinder (2) of the engine (1) and injecting the fuel into each cylinder (2) in liquid phase via at least one fuel inj...  
WO/2022/141952A1
A dual-injection turbulent jet ignition prechamber device for a spark ignition engine. The dual-injection turbulent jet ignition prechamber device comprises two compression bolts (1, 2), a fuel injector (3), a gas injector (9), a precham...  
WO/2022/129988A1
An internal combustion engine that performs the four strokes (induction, compression, ignition, exhaust) in a single rotation of the crankshaft, characterised in that during the operation of the engine, when the piston reaches the end of...  
WO/2022/106840A1
An internal combustion engine comprises a cylinder and a piston arranged to reciprocate within the cylinder. A fuel supply inlet is also provided, and an air inlet port is located in the side wall of the cylinder that supplies air to the...  
WO/2022/054344A1
A two-stroke engine according to the present invention comprises: an auxiliary chamber mounted with an ignition device which ignites an air-fuel mixture in the auxiliary chamber; a partition wall defining the auxiliary chamber and a comb...  
WO/2022/049839A1
A two-stroke engine according to the present invention includes: a separating wall which confines a tip end portion of an ignition device; an ignition promoting chamber which is formed by means of the separating wall, is independent of a...  
WO/2021/260645A2
An engine may have a piston linearly reciprocating along an axis in an adjustable cylinder. There may be a piston rod connected to the piston, the piston rod also linearly reciprocating along the axis. A first chamber that includes a com...  
WO/2021/260425A1
An engine may be configured to have a piston reciprocate in a cylinder in which blow-by gases pass from a combustion chamber in the cylinder to an area external to the cylinder. The piston may be connected to a rod configured to reciproc...  
WO/2021/244393A1
A stratified scavenging piston, comprising a piston body (8), wherein an annular groove (7) is provided at the upper end of a side surface of the piston body (8), two symmetrically arranged auxiliary scavenging recesses (2) are provided ...  
WO/2021/242111A1
The invention pertains to gas exchange in internal combustion engines using low to zero-emission fuels. The combustion engine has the ability to regulate the quantity of air/fuel mixture in the cylinder using one or more exhaust valve(s)...  
WO/2021/176813A1
A two-cycle internal combustion engine provided with: a fuel injection valve 25 for supplying fuel to a crank chamber 8; an intake air passage 17 for drawing in only air by means of negative pressure during operation of a piston 4; and a...  
WO/2021/177010A1
This two-cycle internal combustion engine comprises: a fuel injection valve 25 that supplies fuel into a crank chamber 8; an intake passage 17 that intakes only air, said intake being due to the negative pressure when a piston 4 operates...  
WO/2021/110229A1
Disclosed is a two-stroke uniflow scavenged crosshead internal combustion engine comprising at least one cylinder, a cylinder cover, a piston, a fuel gas supply system, and a scavenge air system. The two-stroke internal combustion engine...  
WO/2021/086622A1
A system for dynamic combustion control of an opposed-piston engine having a first crankshaft and a second crankshaft comprising a first motor/generator coupled to the first crankshaft, a second motor/generator coupled to the second cran...  
WO/2021/079258A1
A combustion engine comprises combustion chambers (1-4) with reciprocating pistons (5), intake ports (6) and exhaust ports (7). Transfer ports (11,12) may be provided between adjacent combustion chambers to provide a transfer channel (15...  
WO/2021/065660A1
This air-leading type stratified scavenging two-cycle internal combustion engine is provided with an air passage 21 for supplying air to a scavenging passage 18 providing communication between a crank chamber 8 and a combustion chamber 6...  
WO/2021/002041A1
An intake passage structure of a stratified scavenging engine (E) comprises: a vaporizer (3) having a rotary valve (50) configured to adjust the degrees of opening of a gas mixture passage (22) and an air passage (21); and a blocking mem...  
WO/2020/256624A1
A two-stroke engine (1) is disclosed comprising a cylinder (2), a piston (3) arranged to reciprocate in the cylinder (2), a crankcase (5), a fuel injector (7) configured to inject fuel into the crankcase (5), an air inlet (9) connected t...  
WO/2020/252518A1
A method of injection of liquid or gaseous ammonia fuel into a reciprocating engine that includes at least two cylinders, each cylinder including a piston that moves reciprocally within that cylinder, each cylinder having a head location...  
WO/2020/245854A1
The SERVO-PISTON propulsor aims to improve the energy output efficiency generated within the engine, it operates individually as it does not require further devices, it distinguishes itself by its ability to develop a new kinematic proce...  
WO/2020/238820A1
A uniflow stratified scavenging two-stroke engine, comprising a cylinder body (1), a crankcase (2), a piston (3), a main air inlet reed valve (6), a main scavenging channel pipe (9), a main scavenging channel port (10), a secondary scave...  
WO/2020/144594A1
An internal-combustion engine functioning according to the Otto (Beau de Rochas) thermodynamic cycle or the Diesel thermodynamic cycle, comprising a cylinder (1), a piston (3) connected to a connecting rod-crank transmission system (4, 5...  
WO/2020/136478A1
A two-stroke internal combustion engine (1) is described, comprising: - a base (50), - a head (90) fixed to the base (50) and in which a cylindrical cavity (95) is formed, - a piston (40) slidably received in the cylindrical cavity (95),...  
WO/2020/092735A1
A hybrid opposed piston engine is described that can include a cylindrical chamber and first and second pistons slidably disposed in the cylindrical chamber, surfaces of the first and second pistons and walls of the cylindrical chamber d...  
WO/2020/071000A1
According to the present invention, a knee lever (50) that operates so as to allow a crosshead (40) to reciprocate and that supplies lubricating oil to the crosshead (40) comprises: a free end part (51) that is connected to the crosshead...  
WO/2020/046718A1
A method of operating a two-stroke cycle (302), opposed-piston engine comprising a pumping device coupled to pump air to cylinders of the engine through a charge air cooler and an aftertreatment system of thermally-activated devices coup...  
WO/2020/027707A1
An air head system for a stratified charged two-stroke engine, the engine comprising a piston (130'') with one or more second openings (1140) arranged to connect a scavenging port (1160) of the engine with a crankcase (110) of the engine...  
WO/2019/233675A1
The invention relates to a method for controlling an air-gasoline injector in a combustion chamber of an engine, particularly a two-stroke engine, said method comprising: a step of calculating at least one set point value for the control...  
WO/2019/163685A1
A scavenging/straightening structure for a marine diesel engine, which is one aspect of the present invention, comprises: a cylinder liner that constitutes a tube part of a cylinder in which a piston reciprocates, and that has a scavengi...  
WO/2019/150172A1
The method of operating a two-stroke piston engine comprises the steps of determining at least one pressure difference value, which represents the difference between the cylinder pressure of one or more cylinders (1) at a predetermined c...  
WO/2019/084356A1
A multi-stage combustion engine includes: a pre-compression cylinder including a pre-compression piston operating therein; a combustion cylinder including a combustion piston operating therein. An operating rate of the pre-compression pi...  
WO/2019/082403A1
[Problem] A conventional internal combustion engine has a problem in that it is impossible to efficiently and reliably collect a fuel at a spark plug in a combustion chamber and to form a combustible layer in which flame propagation beco...  
WO/2019/079439A1
An apparatus and a method are provided for a crankcase breather vent assembly to direct blow-by gases out of an engine crankcase. A vent base comprising a generally cylindrical vessel communicates received blow-by gases into an interior ...  
WO/2019/050804A1
A piston for an opposed-piston, internal combustion engine includes a crown with an end surface having a bowl shaped to form a combustion chamber with an end surface of an opposing piston in the opposed-piston engine. A substantially cir...  
WO/2019/027594A1
A cylinder aligning sleeve and adapter plate for use within an internal combustion engine. The sleeve includes apertures placed contiguously with holes within the adapter plate to form a flow passage through the dead space between compre...  
WO/2018/227257A1
The invention relates to engine building. An internal combustion engine is configured as a two-stroke internal combustion engine. The internal combustion engine has an air injection system using a compact double-action piston compressor ...  

Matches 1 - 50 out of 4,168