| Document |
Document Title |
|
JP4775691B2 |
|
|
JP4775577B2 |
|
|
JP4775269B2 |
|
|
JP2011179574A |
To provide a two-piece oil ring detent structure which can prevent the deterioration of an oil scraping function in the cylinder inner wall surface of an oil ring, suppress an increase in manufacturing costs and realize excellent workabi...
|
|
JP4772725B2 |
|
|
JP4772737B2 |
|
|
JP2011174562A |
To provide a combined oil ring of a two-piece form surely reducing oil consumption through an abutment joint gap.The combined oil ring 10 includes an oil ring 11 and a coil expander 12 pressing and biasing the oil ring 11 radially outwar...
|
|
JP2011169388A |
To provide a piston ring having excellent oil scraping effects and low friction.A flat part 3 parallel to a downward-expanded tapered part 2 in the axial direction is provided on the outer circumferential surface of a piston ring 1, and ...
|
|
JP2011169421A |
To provide a piston ring configured to reduce sliding resistance while securing durable reliability.The piston ring 15 includes a piston ring body 17 formed in an annular shape with a circumferential part thereof being cutout, and a slid...
|
|
JP2011169204A |
To provide seal structure of a piston, preventing carbon stick and reducing a blow-by gas amount.In the seal structure of a piston 4, a top ring groove 16 of a piston 4 is formed in a shape of a wedge widened toward radially outside, a K...
|
|
JP4761375B2 |
|
|
JP4761374B2 |
|
|
JP2011163431A |
To give a locking function to a two-piece combined oil ring and to improve assemblability.The combined oil ring 10 comprises an oil ring 11 of roughly I shape in cross section, two upper and lower rails 13, 14 which are connected with a ...
|
|
JP2011163430A |
To give a locking function to a two-piece combined oil ring in a simple structure.The combined oil ring 10 comprises an oil ring 11 of roughly I-shape in cross section, two upper and lower rails 13, 14 which are connected with a pillar p...
|
|
JP4757685B2 |
|
|
JP2011157973A |
To provide a method of manufacturing a piston with an abrasion resistant ring for a piston having superior abrasion resistance that is capable of welding a cooling channel to an abrasion resistant ring well.The method includes: an abrasi...
|
|
JP4750495B2 |
|
|
JP4749048B2 |
|
|
JP2011137383A |
To provide a rotation-stop structure of a two-piece oil ring, reducing aggressiveness and preventing an oil scraping function from reducing of an oil ring at a cylinder inner wall face, inhibiting increase of a manufacturing cost and exc...
|
|
JP4725580B2 |
|
|
JP4724275B2 |
A piston ring having improved scuffing resistance, cracking resistance and fatigue resistance, consists of a high-chromium martensitic stainless steel and a sliding nitriding layer formed on the surface of said steel. The stainless steel...
|
|
JP4725229B2 |
|
|
JP4724080B2 |
|
|
JP2011133018A |
To provide a piston ring which can remarkably reduce peeling of a hard carbon film even if a high contact pressure is applied on an outer peripheral slide surface.The piston ring has a piston ring base material 1, a substrate film 2 whic...
|
|
JP4705574B2 |
The invention relates to an oil scraper ring for pistons of internal combustion engines. The oil scraper ring comprises a disc that is provided with parallel flanks and a bearing surface having an asymmetrical crowned form with a vertex ...
|
|
JP2011117502A |
To suppress blow-by gas, and to suppress consumption of engine oil even if a pressure in a combustion chamber of an engine becomes high.The piston ring 21 is housed in a ring-like recessed groove formed on an outer peripheral surface of ...
|
|
JP4700198B2 |
A method for hardening the grooves of steel pistons of steel piston heads whereby hardening of the bottom of the grooves is avoided. The laser beam is directed onto the sides of the groove in an approximately tangential direction in rela...
|
|
JP4703928B2 |
The invention relates to a liquid tank with centrifugal pump with a substantially vertical pump shaft for discharging of the liquid, wherein the pump is arranged with the intake side at the bottom of the tank and via a drive shaft connec...
|
|
JP2011112034A |
To provide a combustion visualization engine capable of achieving high compression ratio of 20 or more in compression ratio without breaking a glass cylinder sleeve, extending operation time, and easily assembling without requiring speci...
|
|
JP2011112202A |
To provide a piston ring which can maintain satisfactory seal property for a long period and is easy to incorporate.A backup ring 12 is incorporated to the inside of a seal ring 11 having a joint having a step-cut shape, and elastically ...
|
|
JP4689923B2 |
A piston oil control ring with at least one tapered running rail, provided with a wear-resistant coating, characterized in that a radial elevation with predetermined radial height and width, which is provided with the wear-resistant coat...
|
|
JP4683749B2 |
|
|
JP4680380B2 |
A manufacturing method of a piston ring is developed, wherein the method provides a countermeasure for wear of butt ends of the ion plating film coated piston ring and a countermeasure for breakage of the piston ring and the piston ring ...
|
|
JP4683177B2 |
|
|
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 ...
|
|
JP4678802B2 |
|
|
JPWO2009069762A1 |
A steel material containing C: 0.01 to 1.9%, Si: 0.01 to 1.9%, and Mn: 5.0 to 24.0% in mass%, and having a composition of the balance Fe and unavoidable impurities. Further, in addition to the above composition, Cr: 18.0% or less and / o...
|
|
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 ...
|
|
JP2011075092A |
To provide a combined oil ring capable of reducing oil consumption in a low speed and high negative pressure state, and to provide fitting structure thereof.The combined oil ring 10 provided in the periphery of a piston and to be install...
|
|
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 ...
|
|
JP2011069447A |
To provide an internal combustion engine which can keep airtightness in a combustion chamber while suitably keeping a contacting pressure of piston ring with respect to an inner circumferential surface of a cylinder based on a pressure o...
|
|
JP4666788B2 |
|
|
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...
|
|
JP4661831B2 |
|
|
JP4660871B2 |
|
|
JP4656741B2 |
|
|
JP4650157B2 |
In forming a plating layer for a sliding portion, which comprises Cr that is electrolytically-deposited in a plating bath containing Cr, the plating bath contains organic sulfonic acid. Accordingly, micro-cracks are formed at the plating...
|
|
JP4648559B2 |
Heat resistant AI die cast material having 12.5% to 14.0% of Si, 3.0% to 4.5% of Cu, 1.4% to 2.0% of Mg, and 1.12% to 2.4% of Zn. The die cast metal becomes amenable to age hardening treatment when appropriate amounts of Mg and Zn are ad...
|
|
JP2011506831A |
A method for attaching a ring element to a piston for an internal combustion engine, in which the ring element is screwed onto the piston body by a thread applied to the radially outer surface of a part of the piston crown, a circumferen...
|
|
JP2011038107A |
To provide sealing elements capable of maintaining for a long term, wear-resistance of the sliding surface of reciprocating compressors used under pressure and high temperature operating conditions.There is provided a self-lubricating pl...
|
