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JP5113783B2 |
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JP2013002340A |
To provide a cylinder block capable of imparting an optimal lubricating characteristic, without causing overs and shorts in both a piston ring sliding contact surface different in bearing pressure applied to a sliding surface and a pisto...
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JP3180621U |
To provide a cylinder liner for an internal combustion engine which can reduce heat loss of an upper part of a liner near a combustion chamber and can cope with thermal deformation. In a cylinder liner 1 for casting having a plurality of...
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JP5104208B2 |
A wear resistance reinforcing method for a sliding structure formed from at least a pair of components in a sliding relation and provided with a seal member on a sliding face of a first component. A wear-resistant metal-plated film forme...
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JP5101838B2 |
With regard to a surface hardening method that a surface of an engine member is coated with an alloy layer having high abrasive resistance so as to improve life of the member and a production method of a piston or the like that abrasive ...
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JP5101879B2 |
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JP5087854B2 |
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JP5066845B2 |
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JP5067181B2 |
To solve problems in improvement of seizure resistance and wear resistance, and reduction of sliding loss at a sliding part of a fluid machine requiring efficiency and durability, for example, problems at a sliding part of a scroll made ...
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JP5057089B2 |
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JP2012202286A |
To provide a cast-in member in which the casting residual stress or residual strain is low when its outer circumferential surface is cast in with a casting material.A single film layer 12 having the coefficient of thermal expansion of an...
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JP5026160B2 |
To prevent bite of foreign objects with a piston ring, regulating the diameter contracting extent of the piston ring with a tolerance level in which elevating movement of the piston is no harm. In a pilot type solenoid valve, the piston ...
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JP2012167603A |
To provide a cylinder liner which can be improved in the adhesiveness to a cylinder block while a temperature gradient is reduced in the axial direction of the liner.In the cylinder liner 2 cast in the cylinder block 1, films 4, 5, 6 are...
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JP5009776B2 |
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JP4984214B2 |
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JP2012132376A |
To provide a cylinder liner capable of improving fuel consumption by lessening cooling loss in a cylinder bore (in a cylinder liner tube) concerning to the cylinder liner inserted and retained in a cylinder block.In the cylinder liner 10...
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JP4956769B2 |
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JP4954644B2 |
A combination of a cylinder liner and a piston ring, wherein the cylinder liner includes, silicon: 23.0-28.0% by weight, magnesium: 0.80-2.0% by weight, copper: 3.0-4.5% by weight, iron: 0.25% by weight or less, nickel: 0.01% by weight o...
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JP2012092928A |
To reduce relative friction between a cylinder and a piston by causing surface roughness of the cylinder to be proper and by improving wear resistance of a piston ring in a cylinder-piston sliding structure and a piston-cylinder sliding ...
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JP4934589B2 |
A reciprocating/rotary piston engine includes a housing containing a pivotable rotor as well as a series of openings in which pistons move up and down. The rotor is made up of a rotary piston presenting a series of active surfaces betwee...
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JP2012087678A |
To provide an engine cooling structure that can enhance cooling performance in an inter-bores while preventing leakage of a coolant, and to provide a method for manufacturing the engine cooling structure.The engine cooling structure 1 in...
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JP4918033B2 |
A reciprocating engine 1 includes an annular top ring 5 serving as a first piston ring disposed adjacent to a top surface (head end surface) 4 of a piston 3 defining a combustion chamber 2; an annular second ring 6 serving as a second pi...
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JPWO2010055764A1 |
The cylinder tube (11) of the hydraulic cylinder (10) is separated from the port hole (11a, 11b) formed on the outer peripheral surface of the tube to the left and right in the circumferential direction in a cross-sectional view. Welding...
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JP4913135B2 |
Disclosed is a two-stroke engine, especially for landcraft, watercraft, or aircraft models, comprising a piston which can be moved up and down within a bush, defines a combination chamber at the top, and is connected to a crankshaft via ...
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JP2012067717A |
To provide a cylinder liner which allows for the preservation of bonding force with a cylinder block while being hard to follow the deformation of the cylinder block, and its manufacturing method.With respect to the cylinder liner 2 whos...
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JP2012067740A |
To provide a cylinder liner for insert casting which is excellent in thermal conductivity with a cylinder block.In the cylinder liner 2 for the insert casting having an outer circumferential surface 4 on which protrusions with the height...
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JP2012506011A |
In a method for coating a sliding element, in particular a piston ring or a cylinder liner of an internal combustion engine, DLC phases are embedded into a hard material layer as said hard material layer is deposited. A sliding element, ...
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JP4891915B2 |
A weld cylinder having a single piston arrangement is provided. The cylinder has a movable retract piston assembly with the piston arranged within the retract piston assembly. The piston supports a rod that is movable between home, inter...
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JP4884195B2 |
To provide an apparatus for hardening a cylinder block with which the inner wall of an opening hole in the cylinder block can be hardened as a spiral state, and to provide a method for manufacturing the cylinder block after hardening wit...
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JP2012031756A |
To provide an oilless reciprocating compressor capable of exhibiting excellent durability.This oilless reciprocating compressor includes: a housing 5 formed with a cylinder bore 5a; a piston 20 reciprocating in the cylinder bore 5a and f...
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JP2012031899A |
To provide a cylinder device capable of enhancing assembling operability.In the cylinder device including a cylinder 12 in which liquid is encapsulated, an outer cylinder 13 covering the cylinder 12, a rod 15 inserted in the cylinder 12,...
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JP4876636B2 |
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JP4865833B2 |
A highly practical tube body for a pressure transducer is provided which has excellent pressure resistance, corrosion resistance, and tensile strength; which can be manufactured at low cost in comparison with cases of using stainless ste...
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JP2012002073A |
To reduce friction between the inner circumference face of a cylinder and a piston by increasing retaining property of a lubricating oil in the inner circumference face of the cylinder, and to improve productivity of the cylinder.A metho...
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JP4848821B2 |
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JP4840109B2 |
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JP4829782B2 |
A sliding seal arrangement in particular for a valve having an anodised aluminium coating in contact with the seal. The coating is produced so that inclusions in the surface of the coating are substantially aligned. The direction of moti...
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JP2011226440A |
To provide a gas lubrication structure for a Stirling engine that achieves satisfactory static pressure gas lubrication in executing gas lubrication.In the gas structure, the Stirling engine 10A includes: a hot temperature side cylinder ...
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JP2011202576A |
To provide a cylinder liner that has superior adhesion and heat conductivity with a cylinder block.This cylinder liner 1 is formed from cast iron or steel. The cylinder liner 1 is formed with a thermal sprayed coated film 6 at its outer ...
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JP4779841B2 |
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JP4779551B2 |
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JP2011163215A |
To provide a cylinder block for an internal combustion engine, capable of reducing LOC by reducing bore deformation while securing a cooling water passage.On the lower side sufficiently distant from the upper part of the cylinder block 1...
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JP4725229B2 |
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JP4682574B2 |
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JP2011085109A |
To provide a piston in which the amount of an air-fuel mixture exhausted in an unburnt state is reduced, and a piston ring is not heat-stuck.In the piston 2 in which a plurality of circumferential grooves for providing a piston ring are ...
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JP2011075065A |
To provide an oil ring for an internal combustion engine capable of reducing frictional force relative to an inner wall surface of a cylinder bore without increasing the oil consumed quantity, and capable of reducing hits thereof on the ...
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JPWO2009069703A1 |
It is an object of the present invention to provide a cylinder structure capable of reliably reducing damage due to mutual sliding behavior when a piston ring having a linear expansion characteristic that follows the linear expansion of ...
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JP4669318B2 |
A cylinder barrel ( 1 ) for housing a piston comprises a sheet metal liner ( 2 ) and a reinforcing structure ( 10 ) located outside the sheet metal liner ( 2 ). The reinforcing structure ( 10 ) comprises a glass-fiber-reinforcing layer (...
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JP2011064187A |
To provide a reciprocating engine in which the sliding frictional resistance is reduced between a piston and a cylinder by resisting thrust force arising from a tilt of a connecting rod to support the piston with the piston spaced from t...
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JP4662178B2 |
A pressure vessel of the present invention is such that at least part thereof comprises a metallic composite material 40 comprising a light metal 41, which is turned into a matrix, and a plate-shaped iron-based member 42, which is buried...
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