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WO/2016/121482A1 |
Tumble flow in a fuel chamber is strengthened without complicating structure. An intake port structure for an engine has an intake port (5) of an engine which is continuous with the upstream side of the inner surface of an annular seat r...
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WO/2016/111022A1 |
This engine member with a ceramic coating layer is obtained by forming a ceramic coating layer on a surface that faces the engine combustion chamber, said ceramic coating layer being formed from a ceramic starting material. This engine m...
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WO/2016/111024A1 |
An engine valve with a ceramic coating layer obtained by forming a ceramic coating layer of a ceramic starting material on the back surface of a valve head, characterized in that: the ceramic coating layer has a thickness of 220-1,000 μ...
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WO/2016/091808A1 |
The invention relates to a method for producing at least one hollow valve (1) for gas exchange, in particular for internal combustion engines. It is essential to the invention that a) a bore (4) is introduced into a valve shaft (2) and i...
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WO/2016/057481A1 |
A valve (100) for use in an internal combustion engine (200) is disclosed. The valve (100) includes a stem (102) connected to a fillet (103) disposed between the stem (102) and a seat face (104). A thermal spray technique, such as a high...
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WO/2016/045768A1 |
A valve seat insert (10A, 10B, 10C) for a cylinder head (104) of an internal combustion engine (100) comprises a ring-shaped body (20) defining a passage (22) for enabling a fluid to pass through the body (20) along an axial direction (Z...
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WO/2016/046451A1 |
Invention relates to a gas exchange valve assembly (12) for an internal combustion engine comprising a valve member including a head (20) and a stem part (22), and a guide member (24), in which the guide member is provided with a substan...
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WO/2016/035132A1 |
Provided are a method and a device for supplying metallic sodium to a hollow valve that can easily and quickly supply metallic sodium even to hollow portions of hollow valves with small diameter shafts without the surface thereof being o...
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WO/2016/030983A1 |
[Problem] To make the face surface of a poppet valve more uniform in rigidity and strength, the poppet valve being manufactured by forging. [Solution] Provided is a method for manufacturing a poppet valve 10 by forging, the poppet valve ...
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WO/2016/031455A1 |
The present invention provides a hollow engine valve achieving high durability while suppressing an increase in manufacturing cost, and a manufacturing method therefor. A manufacturing method for a hollow engine valve (1) comprises: a st...
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WO/2016/003378A1 |
The present invention relates to a coating system (1) and method (100), which is applied to the surfaces of the diesel engines' cylinder head, exhaust/intake valves, exhaust/intake ports and/or pistons that are exposed to combustion gase...
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WO/2016/000672A1 |
The invention relates to a cylinder head (2) for an internal combustion engine (1), comprising a gas channel (11, 12) that has at least one valve (7), said at least one valve (7) being a valve plug (7) connected rigidly to the cylinder h...
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WO/2016/003933A1 |
A. moment-cancelling, four-stroke engine is disclosed. The engine includes a first cylinder having a first piston and a second cylinder having a second piston, a first crankshaft operably connected to the first piston and a second cranks...
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WO/2015/198932A1 |
The present invention addresses the objective of providing: a press-fit-type sintered valve seat for use in a high-efficiency engine, the valve seat having high valve cooling performance and high wear resistance; and a method for manufac...
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WO/2015/195036A1 |
A method for diagnosis of at least one valve (10, 11) in at least one cylinder (61-66) in a combustion engine (1) comprising the steps, at a movement of a piston (14) in said cylinder (81-86), of detecting movements propagating in a cyli...
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WO/2015/189530A1 |
The invention relates to an engine with side valves including: at least one cylinder (2) which leads into a combustion chamber (3), a piston (1) extending inside said cylinder and engaging with at least one crankshaft (9); at least one i...
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WO/2015/187034A1 |
Inlet valve (110) for a cylinder of an combustion engine, comprising an upper valve stem (112) and a lower disk shaped valve seat (114) with a linear and oblique outer seating surface (116), said valve seat (114) being wider in cross sec...
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WO/2015/182248A1 |
A supercharged internal combustion engine according to the present invention includes a compressor 16a that supercharges intake air; an EGR passage 22 that connects an intake passage 12 at the upstream side of the compressor 16a and an e...
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WO/2015/180742A1 |
The present invention relates a valve arrangement (101, 201, 301) for a cylinder (202) of an internal combustion engine arrangement (100), said valve arrangement (101, 201, 301) comprising a check valve (304) configured to be positioned ...
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WO/2015/170384A1 |
Provided is a hollow poppet valve having improved heat conductivity. A hollow poppet valve (10) has an umbrella section (14) formed integrally at a shaft end of the valve. A hollow section (S) is formed in the valve so as to extend from ...
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WO/2015/147272A1 |
Provided are a method in which a high-temperature-resistant, corrosion-resistant metal layer can be simply and quickly joined to a flame contact surface of an exhaust valve stem for an internal combustion engine and an exhaust valve stem...
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WO/2015/141331A1 |
The present invention provides a valve seat constituted of an iron-based sintered alloy, the valve seat containing no Co and, despite this, being excellent in terms of heat resistance, oxidation resistance, and wear resistance and also o...
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WO/2015/133002A1 |
Provided is a double-layer-coated aluminum base material which is suitable for use as members such as engine members that are required to have heat-insulating performance and which has sufficient heat-insulating performance, and in which...
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WO/2015/129612A1 |
The purpose of the present invention is to provide a mobile wall member provided with a fire-contacting surface that exhibits desired corrosion resistance and broadens the range of buffer layer materials able to be selected. Provided is ...
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WO/2015/125231A1 |
The present invention removes burrs without increasing the length of the processing line between the cutting device and the polishing device and prevents abnormal wear of the grindstone due to burr removal in the polishing device. A pair...
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WO/2015/121920A1 |
Provided is a poppet valve which is configured so as to prevent all the three modes of heat transfer from occurring, thereby enabling maximum combustion efficiency to be achieved. A poppet valve has an umbrella section (14) integrally fo...
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WO/2015/118924A1 |
A sliding mechanism (1) comprising a first sliding member (10) and a second sliding member (20) being a partner member that slides relative to the first sliding member (10). The first sliding member (10) has a starting material phase (11...
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WO/2015/118690A1 |
The relative value of a thermal insulation effect and a heat drawing effect are adjusted and maximum combustion efficiency achieved by using a poppet valve using a refrigerant. A heat-insulation space (S1) separated by a partition wall (...
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WO/2015/117689A1 |
The invention relates to a method for measuring a wall thickness (b) in hollow valves (1) having a hollow valve head (6), in which -a wall thickness (bs) in the region of a valve stem (2) is determined using at least one ultrasonic senso...
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WO/2015/111273A1 |
Provided is an aluminum base material coated with multiple layers, which can be used suitably as a member for which heat insulation performance is required, such as an engine member, and has satisfactory heat insulation performance, and ...
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WO/2015/111271A1 |
Provided is a multilayer-coated aluminum base material which is suitable for use as a member required to have thermal insulation capabilities, such as an engine member; which has exceptional adhesion to base materials comprising aluminum...
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WO/2015/111270A1 |
Provided is a multi-layer coated aluminum base material which is suitable for use as a member of which thermal insulating capabilities are required, such as an engine member, and which has exceptional adhesion to base materials comprisin...
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WO/2015/111272A1 |
Provided is an aluminum base material coated with multiple layers, which can be used suitably as a member that is required to have heat insulation performance, such as an engine member, and has satisfactory heat insulation performance, a...
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WO/2015/111505A1 |
Provided is a valve stem seal which is capable of stably fixing a reinforcement ring to a valve stem guide, and which exhibits excellent working properties with respect to the attachment of the reinforcement ring to the valve stem guide....
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WO/2015/104907A1 |
Provided is an exhaust-valve drive device capable of adjusting the opening/closing timing of an exhaust valve without directly controlling the hydraulic fluid inside a hydraulic fluid pipe. An exhaust-valve drive device (1) for opening a...
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WO/2015/098643A1 |
Using an assembly of a hollow poppet valve in which an umbrella part is integrally formed on a shaft end part, the hollow poppet valve having a hollow part spanning from the umbrella part to a shaft part, the hollow part being filled wit...
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WO/2015/089252A1 |
A method of forming a valve seat of an engine head formed from a first composition includes forming a groove at a predetermined valve seat location of a bore defined by the engine head. A source of directed heat energy preheats at least ...
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WO/2015/079916A1 |
The objective of the present invention is to provide a smaller-sized single-cylinder SOHC engine by increasing the degree of freedom in the design of the engine while preventing an increase in mechanical loss. An intake rocker arm (32) a...
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WO/2015/075795A1 |
Provided is a method for manufacturing a hollow poppet valve for which a large amount of a cooling material can be filled into a hollow part. This method for manufacturing a hollow poppet valve, wherein a cooling material (19) is filled ...
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WO/2015/075958A1 |
Provided are a valve cotter mounting device for which the weight of the device configuration can be reduced by holding a valve cotter with minimal force and in which damage to the valve cotter, a retainer, and the device itself can be su...
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WO/2015/072175A1 |
Provided are: an exhaust valve operating mechanism in which an exhaust valve is cooled to improve reliability and durability; a diesel engine; and a method for cooling the exhaust valve of an exhaust valve operating mechanism. An exhaust...
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WO/2015/068199A1 |
[Problem] A means is disclosed for converting vibration energy or the like of a traveling vehicle body to electric energy and improving fuel consumption of a vehicle, but this means cannot recover energy while an internal combustion engi...
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WO/2015/041857A1 |
An iron-based alloy includes (in weight percent) carbon from about 1 to about 2 percent; manganese up to about 1 percent; silicon up to about 1 percent; nickel up to about 4 percent; chromium from about 10 to about 25 percent; molybdenum...
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WO/2015/036257A1 |
The invention relates to a hollow valve (1), in particular for an internal combustion engine, having a valve shank (2) which, along the axial direction (A) thereof, has an outer diameter (dA) and which transitions, in the axial direction...
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WO/2015/037075A1 |
The purpose of the present invention is to provide: an engine valve configured so that, even if an umbrella cover is mounted by staking, a crack due to plastic deformation does not occur in the valve body; and a method for manufacturing ...
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WO/2015/033415A1 |
A valve seat which exhibits excellent radial crushing strength and excellent abrasion resistance is provided. This valve seat is composed of an oxidation-treated iron-base sintered alloy. This oxidation-treated iron-based sintered alloy ...
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WO/2015/033198A1 |
Provided is an internal combustion engine including a sparkplug disposed in the vicinity of the center portion of an upper wall surface of a combustion chamber. Tumble flow generated during lean burn operation is controlled such that the...
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WO/2015/022252A1 |
The invention relates to a lightweight metal inlet valve (1) for an internal combustion engine, comprising a valve stem (2) and a valve disk (4) having a convexly curved valve disk surface (5). In combination with a specific aluminum all...
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WO/2015/023835A1 |
An apparatus for measuring at least one of temperature and pressure within a cylinder of an internal combustion engine can include an engine valve and a sensor. The internal combustion engine can include a valvetrain having rocker arm as...
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WO/2015/012249A1 |
The purpose of the present invention is to provide a valve guide made from a sintered alloy, which can be used as an engine valve guide that is subjected to a heavy thermal load caused by downsizing or direct injection/high supercharging...
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