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WO/2023/238418A1 |
Provided is an opposed-piston system, in which an intake compression cylinder (1) and an expansion exhaust cylinder (2) are individually provided, and a rotating perforated columnar valve (3) and an ignition combustion chamber (4) are fo...
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WO/2023/141747A1 |
The embodiments of the present description provide a method and a device for reducing the gas temperature of an internal combustion engine. The method comprises: conveying a first gas into an air cylinder within a first gas intake durati...
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WO/2023/138745A1 |
The present invention relates to a two-stroke engine with two rotary valves that are disc-shaped (1), one on each side of the crankcase (2), and the plates of which are cut at 160 degrees (1). The rotary valves have additional covers (5)...
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WO/2023/111430A1 |
The invention relates to an internal combustion engine comprising a rotary valve (8) that is rotatably mounted in a yoke (3) and comprises a disk (81) that is provided with at least one through-hole (819), the disk (81) being movably mou...
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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...
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WO/2022/256890A1 |
The present invention relates to a control mechanism for air-fuel mixture intake and gas exhaust by transverse control shaft for internal engines, in which the mechanism comprising a flute shaft (1) perforated in the radial thereof, said...
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WO/2022/144606A1 |
The distribution cylinder is a simplified but more effective concept for introducing, sealing and discharging gases, thereby initiating a new phase in the evolution of the internal combustion engine. It allows the removal of the former, ...
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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...
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WO/2022/040144A1 |
A cylinder head assembly for an internal combustion engine includes: a cylinder head defining a combustion chamber and having at least one opening communicating therewith; at least one port; at least one rotatable valve element disposed ...
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WO/2021/253812A1 |
An engine in-cylinder braking system and a hydraulic tappet matching same, the hydraulic tappet (40B) comprising a tappet body (42B), a plunger (41B), and an elastic apparatus for making the plunger (41B) be in a retracted state after oi...
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WO/2021/238229A1 |
Disclosed is a hydraulic tappet (40A), wherein one end of the tappet body (42A) is provided with an oil inlet (421B), and the other end thereof is open; a plunger (41A) extends into the tappet body (42A) from the open end of the tappet b...
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WO/2021/197518A1 |
The present solution provides a two-stroke internal combustion engine comprising an engine housing comprising a crankcase in which a crankshaft is connected to a piston moving in a cylinder, an exhaust port leading from the cylinder spac...
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WO/2021/170191A1 |
The invention relates to a spherical rotary valve assembly for use in an internal combustion engine of the piston and cylinder type. The internal combustion engine of the piston and cylinder type comprises one or more spherical rotary va...
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WO/2021/144595A1 |
Internal Combustion Engine consisting of a rotating gear (1) driven by a crankshaft (29) via transmission arrangement (30). Rotating driven gear (1 ) is equipped with inlet (5) and outlet ports (4) in its cylindrical part (3) and is inst...
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WO/2021/123351A1 |
The present invention relates to a gate valve (10) for a motor (1) with an external heat source comprising a cylinder (2), a piston (3), a cylinder head (4), a working chamber (5) for a working gas, a valve train comprising the gate valv...
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WO/2020/156915A9 |
A method for introducing combustion air into a cylinder (25) of an internal combustion engine, a high-pressure inlet valve (1) provided therefor and an internal combustion engine that operates using the method and the high-pressure inlet...
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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...
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WO/2020/247466A1 |
A head, for an internal combustion engine, is provided, the head using at least one plate to control the filling and emptying of the combustion chamber. The plate may be placed so that the movement of the plate may open or close the inta...
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WO/2020/161684A1 |
Hot air engine comprising - at least one compression cylinder (1) connected to a delivery manifold and an inlet manifold for the input and output from the cylinder (1) of an operating fluid, - at least one expansion cylinder (2) connecte...
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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),...
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WO/2020/121266A1 |
This invention concerns a rotary valve system (10, 210) for an internal combustion engine. The rotary valve system (10, 210) comprises a rotary valve element (14, 214) carrying at least one cavity (16, 216.1, 216.2). The valve element (1...
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WO/2020/055781A1 |
Embodiments of the present disclosure present a valve assembly that includes a valve body having a gas passage bore, a valving bore extending along a longitudinal axis and intersecting the gas passage bore, a first bearing surface concen...
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WO/2020/049040A1 |
A rotary valve internal combustion engine A rotary valve internal combustion engine has a piston (1) connected to a crankshaft (3) and reciprocatable in a cylinder (2), a combustion chamber (4) being defined in part by the piston. The en...
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WO/2020/049032A1 |
A spark ignition rotary valve internal combustion engine comprising a combustion chamber being defined in part by the piston and the combustion end of the cylinder, a valve housing fixed at an outer portion of the combustion end of the c...
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WO/2020/031839A1 |
The present invention enables an internal combustion engine to function with higher efficiency by further reducing loss. An intake valve is provided to an intake port. A scavenging valve is provided to a scavenging port. An exhaust valve...
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WO/2020/014567A1 |
In an internal combustion engine, first and second rotating members, one for the intake valve and one for the exhaust valve rotate next to the outside of an engine cylinder on opposite sides thereof when driven by a drive gear attached t...
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WO/2020/011800A1 |
An internal combustion engine (1) comprises a cylinder (20), an outlet port (25) in communication with the interior of the cylinder (20), a valve (80) suitable for intercepting a gas flow that passes through the outlet port (25), an inle...
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WO/2019/238070A1 |
The present application is related to the technical field of engines, and specifically provides a valve mechanism and an engine system. A gas intake passage and a gas exhaust passage are disposed at an air distribution shaft valve. The a...
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WO/2019/101981A1 |
A two-stroke internal combustion engine has a crankshaft disposed at least in part in a crankcase, and a cylinder block connected to the crankcase and defining a cylinder.The cylinder defines at least one exhaust port for discharging exh...
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WO/2019/064200A1 |
A remote controllable system for the in situ treatment of healthcare waste (1), in which a healthcare waste collection and treatment device (2) is provided with an exhaust valve (22) comprising a pair of opposite flat support walls (30, ...
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WO/2019/063908A1 |
The invention relates to a constant volume combustion chamber (1) for a turbine engine, the chamber (1) comprising an intake port (6), an exhaust port (7), and a first rotary seal (11) arranged opposite the intake and exhaust ports (6, 7...
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WO/2019/060854A1 |
A valve assembly includes a valve body having a circular perimeter and a thickness and a leg body in communication with the valve body. The leg body includes a base and one or more legs that extend outward from the base. The leg body is ...
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WO/2019/055232A1 |
An engine with a rotating valve assembly is disclosed. The valve assembly including a housing having an internal cavity, an open top, and an open bottom, the open top and open bottom being in fluid communication with the internal cavity;...
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WO/2019/025555A1 |
The present invention concerns an external heat source engine comprising: - at least one cylinder (2), - a piston (3) that is movable back and forth in the cylinder, - a cylinder head (4) defining a working chamber (5) with the piston an...
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WO/2018/212968A1 |
A buckling loop rotary motor having a stator and an activatable buckling loop that may also act as a rotor, is disclosed. The buckling loop is made as a springy, band or ribbon. An applied force actuates a portion of the buckling loop, c...
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WO/2018/212967A1 |
A loop-band device that provides motion is disclosed. An outer, restraining loop constrains an inner, buckling loop to form a buckled mode having one or more buckles. A means for activation generates an activation force in one of the buc...
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WO/2018/055711A1 |
In the present invention, a housing 42 of an exhaust valve is provided to an exhaust port interconnecting with a combustion chamber. The housing 42 has a plate-shaped section 47 having formed therein a plurality of fixed slits radially e...
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WO/2018/020496A1 |
A split-cycle internal combustion engine includes a variable displacement compressor having two or more cylinders, an adjustment mechanism for varying the displacement volume of the compressor and possibly the phase between the compresso...
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WO/2017/094036A1 |
The invention concerns a plate valve with variable port for the passage of a compressed fluid, said valve comprising an inner chamber (7) having a bottom (5) and being adapted to contain said compressed fluid, inside said inner chamber b...
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WO/2017/052568A1 |
A cylindrical valve assembly, including: a housing defining a port, an interior volume, and an interior surface; a lip structure disposed about the periphery of the port, wherein the lip structure protrudes into the interior volume past ...
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WO/2017/040139A1 |
A reciprocating cylinder seal assembly (10, 10') has an elastomeric seal, where separate inner (16, 16') and an outer (18, 18') valve seal retainers are located within the reciprocating cylinder seal assembly. The reciprocating cylinder ...
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WO/2017/010586A1 |
The present invention relates to an internal combustion engine using a helical intake/exhaust valve into which an exhaust valve and an intake valve are combined to enable intake and exhaust holes of a cylinder that communicate with a cha...
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WO/2016/173575A1 |
Technical problem addressed by the invention: A valve system for internal combustion engines that is controlled by a camshaft is a potential source of engine damage if the timing thereof is disrupted (e.g. when the timing belts rupture)....
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WO/2016/144281A1 |
A valve cock disk consists of a rotor (2) and a stator. The stator is connected to a cylinder head component and has end openings and side openings. The side openings of the stator are in communication with combustion chambers of engine ...
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WO/2016/128927A1 |
Provided herein are rotary valve assemblies, engines, and corresponding methods. A rotary valve assembly may include a valve housing defining a cylindrical bore, an inlet, and an outlet. The valve assembly may further include an intake a...
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WO/2016/123464A1 |
A modular rotary valve apparatus includes: a plurality of separate valve barrels coupled to each other and arranged end-to-end along an axis so as to define a valve shaft, each valve barrel having an annular peripheral surface extending ...
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WO/2016/012133A1 |
The invention relates to a piston expander for expanding a working medium in such a way that work is performed, comprising: a source for energy-rich, fluid working medium; an inlet channel (30) connected to the source; an inlet chamber (...
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WO/2015/129543A1 |
The purpose of the present invention is to provide a fluid rotary machine in which dead space can be reduced as much as possible even if the device is enlarged by arranging rotary valves directly behind cylinder chambers. A fluid rotary ...
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WO/2015/087280A1 |
A mechanism for a reciprocating positive-displacement machine of the type having at least a shaft (9), and at least a piston (10) reciprocating along a first axis (7); the mechanism being designed to transfer mechanical power from the sh...
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WO/2015/087281A1 |
A reciprocating positive-displacement machine having an input/output shaft (9); a cylinder (8a; 26) having an axis (7); at least one piston (3) reciprocating inside the cylinder (8a; 26); and a transmission mechanism (10) for rotating a ...
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