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JP2008296281A |
To provide a method of working a cylinder such as a damper cylinder, which is excellent in yield, also in workability and by which the inside diameter can be set to arbitrary dimensions.In a method of working the cylinder by which thickn...
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JP2008298053A |
To provide a cylinder block processing method and a jig for it capable of suppressing effectively, when a cylinder block undergoes a finishing process, deterioration of the cylinder bore roundness in the process of installing a cylinder ...
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JP2008542603A |
A diesel engine piston assembly comprises a piston body having a top wall with a combustion bowl formed in the top wall and having a combustion bowl edge, an outer ring belt formed with a plurality of ring grooves including a top ring gr...
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JP4178691B2 |
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JP2008248738A |
To seal cooling water without using packing or a gasket, and reduce weight.A void H to be a water jacket is formed between an outer surface of a cylinder block 1 and a resin cover member 3 by liquid tightly bonding a circumference edge p...
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JP2008232068A |
To prevent corrosion of a cylinder block caused by alcohol even when alcohol-mixed fuel is used.In an engine including the cylinder block 10, a head gasket 30 having extension parts 36 is mounted on the cylinder block 10. A cylinder wall...
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JP4157998B2 |
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JP4160036B2 |
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JP2008221445A |
To provide a method for machining a sprayed coating forming the sprayed coating excellent in machinability with high shape precision after honing.In this method, the film W3 formed in a bore C1 surface is machined by dry machining. A cut...
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JP4152522B2 |
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JP4147418B2 |
To provide a method by which an aging treatment for stabilizing the dimension of a cylinder block, can surely be performed in a simple constitution for a short period of time. The method includes stabilizing the dimension by forming the ...
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JP2008190472A |
To provide a cylinder block capable of inhibiting bore deformation during engine actual operation and preventing deterioration of circularity of a cylinder bore during engine actual operation without increasing processes in finishing pro...
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JP4135634B2 |
A cylinder bush (1), cast to a cylinder block (3), has a cylindrical part (12) with numerous spines (13) around the entire circumference. The edge (m) at the cylinder head (4) side of the cylindrical part, as well as the spines around it...
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JP4134689B2 |
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JP2008180218A |
To provide an internal combustion engine component having a sliding surface excellent in retaining capacity of lubricating oil and its manufacturing method.The internal combustion engine component of this invention is composed of an alum...
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JP4125460B2 |
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JP2008157209A |
To provide a cylinder block, with opening inner walls quenched to make lubricant easier to stay there.The opening inner walls 71 of the cylinder block 20 are spirally quenched. The opening inner walls 21 are quenched along a plurality of...
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JP2008144937A |
To provide a method for forming fine recessed parts on a sliding surface capable of forming fine recessed parts with a simple method and arbitrarily changing the shape of the recessed parts without deteriorating the production efficiency...
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JP2008144835A |
To provide a sliding member capable of improving productivity without increasing man-hours for processing having reduced frictional resistance as with recessed parts having substantially W-shaped cross sections and a method for forming f...
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JP2008138811A |
To provide desired sliding characteristics without forming a crack in a Cr plating film 15 on the inner peripheral surface of a sliding member 1.The Cr plating film 15 is formed on the inner peripheral surface of the sliding member 1 on ...
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JP2008138552A |
To provide a cylinder liner excellent in adhesion/thermal conductivity to a cylinder block, easily machined, lightened in weight, and saving space.A projecting body is formed in the peripheral direction of the cylinder liner. The shape o...
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JP2008138240A |
To provide a sliding member in which a sealing member slides an inner surface with a trochoidal shape having a Cr-plated film formed thereon in the presence of a fluid lubricant, in a rotor housing that constitutes a combustion chamber o...
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JP4099619B2 |
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JP2008128190A |
To surely avoid contact between a piston and a cylinder, and to restrain the consumption of gas for forming a gas bearing in a piston device for forming the gas bearing by supplying the gas between the piston and the cylinder.A Stirling ...
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JP2008121776A |
To provide a sliding member having an effect of reducing friction by controlling the shape of the bottom face of a finely recessed portion to be formed in a sliding member.The pair of sliding members mutually slide with viscose fluid exi...
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JP4092670B2 |
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JP4086985B2 |
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JP2008095966A |
To provide a combination of a piston ring and an aluminum alloy cylinder having an inner circumference slide surface made composite.In a combination of the cylinder and the piston ring, the inner circumference slide surface is composed o...
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JP2008064025A |
To suppress damage to a cylinder block due to stress concentration such as the occurrence of a crack in a cylinder block.A cylinder block 1 is equipped with a water jacket 13 formed so as to surround the periphery of a cylinder bore #1 a...
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JP2008063998A |
To provide a cylinder block with a liner which suppresses bore deformation resulting from combustion heat during engine combustion through the correction of a temperature gradient occurring in a cylinder liner.In a cylinder block with a ...
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JPWO2005045222A1 |
The topland portion is a cylinder block having one or more cylinders, a cylindrical cylinder liner arranged in the cylinder, and an outer peripheral surface that reciprocates in the cylinder liner and is sandwiched between the piston hea...
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JP4051996B2 |
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JP2008032048A |
To provide a ceramic cylinder structure for automobile engines.This invention relates to a ceramic cylinder component of automobile engines. First layers of ceramic members mainly on each of the wall surface of a cylinder and the surface...
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JP2008032032A |
To provide a cylinder device in which the looseness (rotation) of an end cap relative to a cylinder tube is surely prevented and a method of manufacturing the cylinder device.This cylinder device comprises a cylinder tube 11 having a fem...
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JP2008025435A |
To inhibit the deformation of a cylinder bore caused by the tightening of cylinder head bolts in a cylinder block having a cylinder liner cast therein.The cylinder bore 2 is formed by casting the cast iron cylinder liner 5 in an aluminum...
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JP4039255B2 |
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JP2008008209A |
To provide a cylinder liner showing high adhesion property with aluminum alloys when the same is cast in light alloys especially aluminum alloys, and securing good thermal conductivity with good workability, especially a cylinder liner s...
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JP4028974B2 |
A cylinder and a method for manufacturing a cylinder for an internal combustion engine is provided which avoids the generation of a step portion at the scavenging port without necessitating enhanced precision of the positioning of the wo...
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JP2007332971A |
To provide a cylinder liner device for a large 2-stroke diesel engine for improving lubrication of a traveling surface, and a shielding method of a cylinder liner in the large 2-stroke diesel engine. This cylinder liner device 10 has a c...
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JP4024122B2 |
A cylinder liner (1) for a piston engine, such as a large two-stroke crosshead engine, has a running surface for the piston rings on the inner surface (7) of the liner. The cylinder liner has an internal diameter in the interval from 25 ...
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JP2007321607A |
To provide a cylinder liner having a structure for improvement of cooling performance. The cylinder liner is fitted in a cylinder block, comprises an upper stepped part fitted in an upper part of the cylinder block and a lower stepped pa...
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JP4018195B2 |
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JP2007303622A |
To provide a sliding member whose friction coefficient can be reduced in a range from a low temperature to a high temperature. The sliding member 1 in sliding contact with another member via lubricating oil comprises an oil reserving rec...
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JP2007533889A |
The present invention relates to a cylinder liner made from gray cast iron, an aluminum material or a ceramic material for an engine block for an internal combustion engine. According to the invention, it is provided that the cylinder li...
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JP4009970B2 |
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JP4008544B2 |
The hydraulic drive comprises a working cylinder (12) in which a working piston (13) is movable and a spring storage arrangement (24) containing storage energy, with fluid under pressure in a container (20). The spring storage arrangemen...
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JP4003887B2 |
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JP2007278092A |
To reduce the friction in a cylinder bore causing the limit of output and deterioration of fuel consumption of an engine by achieving efficient cooling of a cylinder bore through easy formation of a cooling water passage having a suffici...
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JP2007270620A |
To provide a cylinder block and a cylinder block manufacturing method, capable of maintaining high shape accuracy, when processing a bore inner wall even after installation, by relieving strain generated in the bore inner wall of a cylin...
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JP3993306B2 |
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