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JP2020115013A |
To provide: a manufacturing method of an internal combustion engine which is excellent in the maintenance performance and recycling performance of the internal combustion engine, and also high in a degree of a design freedom of the inter...
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JP6717964B2 |
A member having a sliding contact surface that exerts a reduced frictional force when making sliding contact with a prescribed member and retains the lubricating oil more uniformly is provided. The sliding contact surface is a honed surf...
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JP2020084778A |
To solve the problem that in a gasoline engine, countermeasures against abrasion of a cylinder are becoming strict due to an idling stop mechanism and the like in response to the demand for low fuel consumption, and further improvement h...
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JP6705045B2 |
To provide a cast iron cylindrical member capable of improving the bonding strength when metal on the outer peripheral side and the cast iron cylindrical member are integrated. For this objective, in a cast iron cylindrical member includ...
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JP6679611B2 |
A robust engine assembly having reduced weight and efficient cooling, without an increase in fuel consumption or carbon dioxide emissions, is provided. The engine assembly includes a double-wall cylinder liner clamped between a cylinder ...
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JP2020056352A |
To provide a member for an internal combustion engine which can improve the reduction of a heat transmission rate (improvement of heat insulation) more than before while using a heat insulation film composed of an anode oxide film.This m...
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JP6666533B2 |
A system (10) includes a reciprocating engine (12) having a cylinder liner (42) and a piston (24) disposed within the cylinder liner. The cylinder liner includes an inner wall (44) and extends around a cavity (46). The inner wall include...
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JP6657341B2 |
A cylinder liner that is casted in a block and defines a cylinder bore for one cylinder includes: a cylindrical liner body; a projection part including a plurality of projections on an outer peripheral surface of a part of the liner body...
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JP6655757B1 |
An object of the present invention is to provide a cylinder liner for casting and wrapping, which can improve the joint strength between the cylinder liner and the cylinder block by suppressing a gap generated in the cylinder block. It i...
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JP2019214940A |
To make an internal combustion engine more compact while securing good durability.An internal combustion engine 1 includes a cylinder 10 that can rotate around a rotation axis L, a combustion chamber defined in the cylinder, and a drivin...
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JP6610423B2 |
The invention provides an insert capable of serving as a cylinder sleeve. Adhesion performance and thermal conductivity of other metal (such as a cylinder body) for casting with the insert are further improved. The insert, to be inserted...
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JP6601476B2 |
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JP2019183799A |
To improve thermal efficiency in an internal combustion engine.An internal combustion engine comprises: a cylinder block 2 comprising a cylinder 6 accepting a piston 17, and a cooling water passage 30 provided radially outside the cylind...
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JP6579171B2 |
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JP6579027B2 |
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JP2019157740A |
To provide an engine component of which a heat insulation layer has high heat insulation property and good adhesion property to a base material.The engine component includes the metal base material, and the heat insulation layer provided...
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JP2019157744A |
To provide an engine component of which a heat insulation layer has high heat insulation property and good adhesion property to a base material.The engine component includes the metal base material having a surface where a plurality of p...
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JP2019120185A |
To provide structure of a cylinder peripheral wall surface which allows for reduction of friction generated between a piston and a cylinder peripheral wall surface in an expansion stroke.A peripheral wall surface 21 of a cylinder 20 has ...
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JP2019121175A |
To provide a pressure difference reducing device between high-temperature and high-pressure fluid, a method of reducing a pressure difference between the high-temperature and high-pressure fluid using the same, and a filtration device eq...
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JP2019120212A |
To provide a cylinder block which can suppress the lowering of the roundness of cylinder bores at an operation.In a cylinder block to which a cylinder head is fixed with bolts, the cylinder block has holes into which the bolts are insert...
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JP2019108804A |
To provide a cylinder block which can optimize a temperature of a cylinder bore.In this cylinder block, upper-side surface roughness is larger than lower-side surface roughness, and an upper-side cross hatch angle is larger than a lower-...
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JP2019094781A |
To provide a cylinder bore capable of appropriately forming an oil groove holding lubricant, to attain improvement in engine performance, and a method for manufacturing the cylinder bore.A cylinder bore 10 is manufactured by: performing ...
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JP6533858B1 |
To provide a cast iron cylinder liner which reduces friction and has excellent seizure resistance. In an internal combustion engine having a cast iron cylinder liner having an inner peripheral sliding surface made of cast iron and a cyli...
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JP6530800B2 |
A pressure resistant device includes a tubular main body portion, a lid portion having a wall portion joined to the main body portion, a positioning portion provided to oppose an inner peripheral surfaces of the main body portion and the...
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JP6530511B2 |
A housing for a motor or compressor has an elongate crankcase with two end surfaces. At least one cylinder chamber is provided in which a piston is caused to perform a movement by rotation of the crankshaft. The internal diameter of the ...
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JP6528736B2 |
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JP6523595B2 |
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JP6521050B2 |
Provided is a hydraulic cylinder using oil pressure, etc., the hydraulic cylinder being configured so that the thickness of a head cover, etc. is reduced so that the hydraulic cylinder is lighter and has a small overall length. A head co...
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JP6521958B2 |
A cylinder liner for an engine block assembly of an internal combustion engine is provided. The cylinder liner includes a liner member formed of cast iron and presenting an outer surface. A first portion of the outer surface of the liner...
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JP6510743B1 |
An object of the present invention is to provide a cast iron cylindrical member capable of improving the joint strength when the metal on the outer peripheral side and the cast iron cylindrical member are integrated. Therefore, it is a c...
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JP2019065973A |
To provide an internal combustion engine that can reduce a blow-by gas and reduce friction of a piston by bringing cylindricity at an inner cylindrical surface of a cylinder close to zero.An internal combustion engine 10 incudes a cylind...
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JP2019065775A |
To provide an internal combustion engine that can prevent dilution and deterioration of oil by preventing unburned fuel from directly running down an internal wall surface of a cylinder.An internal combustion engine 10 includes a cylinde...
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JP6498278B2 |
Provided are a functional cylinder body comprising magnetic patterns and non-magnetic patterns formed on a circumferential surface and a manufacturing method therefor. The functional cylinder body comprises: a cylinder body with recesses...
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JP6495941B2 |
A thermally coated component is disclosed. The thermally coated component has a frictionally optimized surface of a track for a friction partner, where the surface has pores. The pores have an entry rounding, the slope of which, as a rat...
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JP2019039367A |
To reduce sliding resistance of a piston, and to reduce the risk of generating preignition.A through hole HL1 penetrating in a vertical direction is formed in a cylinder block 16. A cylinder liner 18 in a cylindrical shape is attached to...
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JP2019039338A |
To provide a piston slap reduction device that can reduce slap sound from a reciprocating engine.A piston slap reduction device 1 includes: an oil groove 3 formed by being extended in an axial direction of a cylinder wall 2 in a position...
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JP2019505742A |
A crankcase assembly for a reciprocating machine is provided, the crankcase having at least one cylinder, and at least one cylinder having a wet cylinder liner disposed within at least one cylinder. A cylinder head for filling and discha...
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JP6475682B2 |
A cylinder liner (1) for an internal combustion engine, especially a two-stroke crosshead engine is provided. The cylinder liner (1) comprises: a first end adapted to engage the cylinder head (22); a scavenging port (18) located in the w...
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JP2019019813A |
To provide a protect ring capable of preventing a diameter of a cylinder liner from enlarging, shortening a vertical dimension of the cylinder liner, and further facilitating attachment/detachment with respect to the cylinder liner, and ...
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JP6465086B2 |
A pore sealing treatment is performed in order to enhance the heat-shielding property of an anode oxide film by blocking at least the openings of open pores. In the first step of the pore sealing treatment, a non-solvent-typed pore seali...
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JP6461251B2 |
A cylinder lubricating apparatus (55) for supplying cylinder lubricating fluid through a plurality of injectors (24) to an inner surface (25) of a cylinder liner (1) of a large two-stroke uniflow-compression ignition internal combustion ...
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JP6455870B2 |
The invention provides for a cylinder bore coating system that includes at least one cylinder bore configured to receive an axially movable piston. The at least one cylinder bore has a recessed area having an axial length and a radial de...
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JP6438002B2 |
The invention relates to a cylinder housing (2) for a pressure cylinder (1) of light-weight/hybrid construction, having a support structure (4) comprising an inner tube (6) with ends (7, 8) that are spaced apart in the axial direction, a...
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JP6417400B2 |
A sliding engine component may include a sliding surface including a plastics polymer-based composite layer disposed on a substrate. The composite layer may include a matrix of plastics polymer-based material. The plastics polymer-based ...
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JP2018159376A |
To use a coating material which is improved in abrasion resistance and corrosion resistance, on which machining or honing-finishing can be easily performed and of which the cost effect is also improved, for a method for producing a crank...
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JP6361538B2 |
To fall a compression ratio within a predetermined range while suppressing deterioration of heat shielding property, in an engine with a heat shield film.A heat shield film is formed in a combustion chamber formation part 10 of a cylinde...
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JP2018096837A |
To provide an abrasion measuring system, a method for measuring abrasion, and a combustion chamber component which can measure the amount of the abrasion of an object easily.The present invention relates to an abrasion measuring system 1...
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JP2018515714A |
The present invention relates to a cylinder bore (10,110) with a cylinder sliding surface (14,114) for a cylinder housing of an internal combustion engine. Within the cylinder bore (10,110), top dead center (OS) and bottom dead center (U...
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JP6343542B2 |
A shock absorber includes a plate and a lock portion. The plate is secured to a distal end side with respect to a nut of a piston rod by crimping the piston rod. The lock portion is disposed on a bottom portion side of a cylinder and loc...
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JP6339812B2 |
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