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JP4962062B2 |
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JP2012116268A |
To improve the responsiveness so as to immediately control an attitude of a vehicle in response to acceleration and deceleration change of the vehicle.A hydraulic buffer 10 which is provided with a back pressure applying means 93 for app...
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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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JP2012513571A |
A piston assembly configured to reciprocate within a cylinder of an internal combustion engine is disclosed. The piston assembly comprises a top surface, a cylindrical wall, a first ring, a second ring, and at least one passage. The cyli...
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JP2012112376A |
To improve an oil circulation from a thrust side and an anti-thrust side to intermediate phase positions thereof, between an inner circumferential surface of a cylinder and an outer peripheral surface of a piston in an internal combustio...
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JP4950092B2 |
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JPWO2010055611A1 |
In the reciprocating engine 1, a pin 48 or a closing wall 51 is provided in the second piston ring groove 5 of the piston upper body 8 on the anti-thrust side 13 of the piston 2, and the second piston is provided in the second piston rin...
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JP4947446B2 |
Provided is a wire rod for an I-type oil ring, which includes right and left rail portions and a web portion connecting the rail portions, which has an oil hole or a molten through hole formed in the web portion, and which has a circumsc...
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JP4934989B2 |
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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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JP4926252B2 |
The system has a rotor with rotor discs (1, 2) that are arranged next to one another. The rotor discs are seated on the common rotor axle. The rotor discs are pressed apart from one another by acting spring and/or gas forces in the joint...
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JP4925868B2 |
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JP4927067B2 |
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JP4916363B2 |
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JP4915865B2 |
A generally circular compression piston ring having an outer peripheral surface, an inner peripheral surface, and a pair of end faces splitting the circular shape in a radial direction thereof for defining a gap portion. The ring has a f...
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JP2012067820A |
To provide a piston structure for an internal combustion engine that can circulate oil to an oil return hole through a circumferential groove by scraping the oil on an inner wall of a cylinder bore in an entire circumference, and can pre...
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JP4908987B2 |
To provide a piston ring manufacturing method avoiding the influences of shaping residual stress with short-time treatment. The method is provided for manufacturing a synthetic resin piston ring 1 which is used as a bearing for a fluid p...
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JP2012062983A |
To provide a piston ring capable of reducing the oil consumption and superior in fitting property.This piston ring 10 is integrally formed with a resin ring 12 having a joint 17 and a metal ring 13. The metal ring 13 is integrally dispos...
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JP4906619B2 |
A piston (1) contains multiple ring grooves (2, 3) on the outer circumference of the piston (1) and piston rings (4, 10) mounted in the ring grooves (2, 3). The piston (1) contains oil path grooves (7, 9) extending respectively to the ou...
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JP4901806B2 |
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JP4901207B2 |
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JP2012052590A |
To provide a two-piece oil ring for preventing rotation and a rotation preventive structure of the two-piece oil ring using the same, capable of surely preventing rotation in the circumferential direction of an oil ring in an oil ring gr...
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JP4895499B2 |
A piston includes a circumferential groove having a dynamic split seal ring having a flat axially facing surface, a static seal ring having a flat axially facing surface abutting the flat surface of the dynamic seal ring, and a spring mo...
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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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JP3174213U |
To provide a wear ring fixing structure in which both ends of a wear ring wound around an annular groove are not opened. In a wear ring fixing structure in which a band-shaped wear ring 3 is wound into an annular groove and both ends 3a ...
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JP4889975B2 |
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JP4893699B2 |
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JP2012041853A |
To provide a piston for spark ignition type internal combustion engines that is suitable for suppressing erosion caused by knocking.The piston for spark ignition type internal combustion engines has an outer peripheral side surface 2 and...
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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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JP4859686B2 |
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JP4856574B2 |
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JP2012002340A |
To provide an antirotation two-piece oil ring capable of preventing reduction in an oil scratching function of the oil ring on a cylinder inner wall surface, suppressing an increase in the cost of manufacture and suppressing aggressivene...
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JP4844902B2 |
A piston ring material that when formed into a piston ring product, maintains excellent properties, and that at the production of piston ring rod, realizes excellent processability and shape stability. There is provided a piston ring mat...
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JP4847817B2 |
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JP4846996B2 |
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JP2011256742A |
To reduce the width of temperature change in a top ring, concerning a system for cooling the piston of an internal combustion engine.A cooling system for a piston includes a cooling channel designed as an annular oil passage embedded in ...
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JP4839120B2 |
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JP4836935B2 |
The invention relates to a piston ring which has at least one bearing surface and an upper and a lower flank. The bearing surface is provided with a High Velocity Oxygen Fuel (HVOF) coating which has a surface roughness Rk<0.1 mum.
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JP2011241879A |
To provide a technique that reliably removes a deposit accumulated in a gap between a piston ring groove and a piston ring of a piston.A surface of the piston ring includes: a first recess extending from an outer peripheral surface to sh...
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JP4827339B2 |
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JP4815682B2 |
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JP2011220519A |
To provide a combined oil ring which improves oil circulation through oil holes.In the combined oil ring 10 which has an oil ring 11 connecting upper and lower rails 13, 14 by a web 15 and a coil expander 12 pressing and urging the oil r...
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JP2011214662A |
To provide a pressure ring whose upper and lower surfaces are changed into flat surfaces substantially perpendicular to a piston shaft during fitting of the pressure ring to a piston when the pressure ring is fitted to a piston ring groo...
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JP4800945B2 |
The invention relates to an oil scraper ring for pistons of internal combustion engines, said oil scraper ring comprising a disc ( 1 ) provided with a bearing surface (h) having an asymmetrical crowned form with a vertex line ( 3 ) exten...
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JP4800946B2 |
A multipart oil wiping ring for pistons of internal combustion engines comprises two steel strip-type lamellae with parallel sides, the running surfaces of which are provided with a convexly asymmetric shape having a vertex line that ext...
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JP2011201519A |
To provide a compact vehicle height adjusting device for preventing damage of a sliding part by a vehicle height adjustment, by surely absorbing operation of a suspension by vibration and impact received from a road surface to a tire.Thi...
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JP4790135B2 |
A wear-resistant sliding member (10) which comprises a base metal (M) and a sprayed coating (C) formed by thermally spraying a mixed powder comprising, by mass, 30 to 70% of a molybdenum powder, 10 to 40% of a nickel-chrome alloy powder,...
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JP2011190719A |
To provide a wear resistant ring formed of a particle reinforced aluminum alloy composite material enhanced in strength, wear resistance and high-temperature characteristic and improved in machinability.The wear resistant ring is for for...
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JP3170666U |
To provide a coating mask for applying an electric field coating to an annular region on an outer peripheral surface of a cylindrical body. The extension device has a plurality of openings, and rods of an extension device are introduced ...
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JP4779841B2 |
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