| Document |
Document Title |
|
WO/2015/186784A1 |
The present invention addresses the problem of providing a piston ring having a gastight special joint, and used in a large, two-stroke diesel engine, wherein, in order to minimize interference between the end portion of the joint and th...
|
|
WO/2015/179278A1 |
A piston for a high temperature internal combustion engine is provided. The piston includes an upper wall, base wall, outer rib, and inner rib defining a cooling chamber therebetween, and a plurality of ring grooves formed in the outer r...
|
|
WO/2015/176843A1 |
The invention relates to a piston ring for an internal combustion engine or for a compressor, in particular a piston ring comprising an exterior running surface (3), two flanks (5, 6), and an interior circumferential surface (7); the run...
|
|
WO/2015/176844A1 |
The invention relates to a piston ring (3) comprising an exterior running surface (4), two flanks (5, 6) and an interior circumferential surface (7) which has a wave-shaped profiled section (8) in the circumferential direction.
|
|
WO/2015/178009A1 |
An oil ring (1) having an oil ring main body (10) provided with a web part (11) and a pair of rail parts (12, 13), and a coil expander (20) attached to the radially inner section of the oil ring main body (10), the coil expander (20) urg...
|
|
WO/2015/170648A1 |
A sliding member (1) according to an aspect of the present invention comprises a substrate (2), and a thermally sprayed coating (10) formed on the sliding surface of the substrate (2). The thermally sprayed coating (10) includes a molybd...
|
|
WO/2015/165634A1 |
The invention relates to a piston ring which comprises an open ring (1) with a butt joint region (2), an outer peripheral surface (3) of the ring being composed in the butt joint region (2) of at least two at least partially circumferent...
|
|
WO/2015/165596A1 |
The invention relates to an oil-scraper ring (2) for a piston of a piston engine, said ring comprising a ring body (2) and an oil-scraper rib (4) running around the body. The oil-scraper ring (2) has a height (H) of between 2 and 5 mm be...
|
|
WO/2015/151439A1 |
An oil ring (1) has: an oil ring body (10) which is provided with a web section (11) having an oil passage hole (14) formed therein, and also with a pair of rail sections (12, 13) provided integrally on both sides axially of the web sect...
|
|
WO/2015/143559A1 |
A piston seal assembly is disclosed comprising a seal and a seal energizer which supports the seal. The piston seal assembly comprises one component that is designed to position the seal energizer in a fixed axial position within the pis...
|
|
WO/2015/141086A1 |
On one previously specified outer surface of the four outer surfaces of a rectangular wire for manufacturing a piston ring that is C-shaped in two-dimensional view, polishing lines are formed along a direction that differs from the polis...
|
|
WO/2015/139126A1 |
Abstract A piston seal for a reciprocating piston is disclosed having the shape of split ring comprising a first end segment and a second end segment overlapping along a split surface that extends from the inner circumferential surface t...
|
|
WO/2015/136818A1 |
Provided is a piston production device that can securely retain a wear-resistant ring, regardless of the precision of the outer diameter of a retaining pin. Also provided is a production method that uses the piston production device. The...
|
|
WO/2015/133131A1 |
To provide a coating composition for a lubricating coating film capable of forming a lubricating coating film having a high level of flexibility on surfaces of various base materials. A coating composition for a lubricating coating film ...
|
|
WO/2015/131872A1 |
Oil scraper piston ring, containing a main body (1) which has a running surface region (2) provided with lands (20, 21), an inner circumferential face (3), upper and lower flanks (4) and oil discharge bores/slots (12) that extend, betwee...
|
|
WO/2015/132112A1 |
Exemplary oil control rings and methods are disclosed. An oil control ring may include an upper lamella having a first outer radial surface and a lower lamella having a second outer radial surface. An expander ring is in communication wi...
|
|
WO/2015/128178A1 |
The present invention relates to a piston ring, for utilization in the piston groove of a piston of an internal combustion engine, provided with a body (6) composed of a ferrous material defining an upper portion (2) facing towards the p...
|
|
WO/2015/129074A1 |
The purpose of the present invention is to provide: a gas-tight piston ring which suppresses combustion gas blow-by at a high pressure and a high speed in non-overlapping regions of a first tongue section and a second tongue section and ...
|
|
WO/2015/129075A1 |
The purpose of the present invention is to provide a gas-tight piston ring which suppresses combustion gas blow-by in non-overlapping regions of a first tongue section and a second tongue section and has improved durability. The present ...
|
|
WO/2015/125832A1 |
Provided is a piston ring with which abrasion resistance of the outer peripheral surface can be ensured, and the formation of cylinder scratches and scuffs can be inhibited. In this piston ring (1), a hard coating (11) is formed on the o...
|
|
WO/2015/124163A1 |
The invention relates to a piston ring (8, 9), wherein the piston ring (8, 9) comprises, on the outer surface (8a, 9a) thereof, multiple systematically arranged open oil-receiving and/or oil-carrying depressions. The invention also relat...
|
|
WO/2015/121944A1 |
Provided are a piston ring which, even when a sleeve constituted of an aluminum alloy is used, can sufficiently show the required low frictional properties, wear resistance, and low counterpart-material attacking properties, and a proces...
|
|
WO/2015/117208A1 |
The present invention relates to a nitrided second piston ring (2), which, prior to the surface nitriding hardening step, it exhibits a chemical composition comprising between 0.51% and 0.59% carbon; between 1.20 and 1.60% silicon; and b...
|
|
WO/2015/114822A1 |
In order to enable the amount of blow-by gas to be kept small beginning with the initial period of use of an internal combustion engine, and to suppress an increase in the amount of blow-by gas over time even when the internal combustion...
|
|
WO/2015/115153A1 |
In order to provide a piston ring on which an amorphous carbon film is formed and which has excellent wear resistance and scuff resistance with respect to an aluminum alloy cylinder or cylinder liner, and thus to reduce fuel consumption ...
|
|
WO/2015/113839A1 |
The invention concerns a piston for an internal combustion engine, said piston comprising at least one groove which accommodates a piston ring and of which the lower groove flank (20) remote from the piston head comprises at least three ...
|
|
WO/2015/111642A1 |
The purpose of the present invention is to provide a low-alloy-steel piston ring exhibiting excellent nitriding characteristics, i.e. a low-alloy-steel piston ring which exhibits excellent thermal conductivity, and which is capable of ha...
|
|
WO/2015/106884A1 |
The invention relates to a sliding element, in particular a piston ring, having a carbon-based coating and at least in sections, a surface roughness (RΔq) according to DIN EN ISO 4287 of 0,05, preferably 0,08, to 0,11, preferably to 0,1...
|
|
WO/2015/101938A1 |
Exemplary oil control rings and methods are disclosed. An oil control ring may include an upper lamella having a first outer radial surface and a lower lamella having a second outer radial surface. An expander ring is in communication wi...
|
|
WO/2015/098924A1 |
The purpose of the present invention is to provide: a piston ring that can resolve both the problem of ensuring the seal performance of a piston ring for a compressor and the problem of reducing abrasion of the piston ring due to the bal...
|
|
WO/2015/088047A1 |
Provided is a piston ring in which both the sealing properties and the strength of the gap portion are well maintained. In a gap portion (3), a side surface (2a) side of a main body (2) comprises a first protruding part (13) that protrud...
|
|
WO/2015/082235A1 |
The present invention relates to a sliding combination for use in an internal combustion engine, comprising at least one cylinder liner (2) of cylindrical shape defining an internal sliding surface (3) and a ring (4) defined by at least ...
|
|
WO/2015/082538A1 |
The present invention relates to a piston ring for an internal combustion engine, comprising a metal base (4) whereupon a protective coating (5) is applied to cover at least part of the surface of the base (4), wherein the coating is com...
|
|
WO/2015/082246A1 |
The present invention relates to a piston ring, in particular a compression ring, provided with a base (2) of carbon steel whose cross-section defines an outer lateral surface (3) slidably associable to the wall (D) of a cylinder, an upp...
|
|
WO/2015/064538A1 |
In the present invention, in order to provide a piston ring covered with an amorphous hard carbon film that has low friction characteristics and outstanding abrasion resistance and film peeling resistance in order to achieve lower fuel c...
|
|
WO/2015/056450A1 |
Provided is a piston ring that is for an internal combustion engine, can suppress wear of a piston material, and can prevent aluminum adhesion over the long term even in high-temperature, high-load conditions. The piston ring (1) for an ...
|
|
WO/2015/052762A1 |
Provided are a piston ring and a seal ring for a turbo charger that are provided with a hard covering film having low aggression to mating materials and superior cracking and peeling resistance. The piston ring and the seal ring for a tu...
|
|
WO/2015/052761A1 |
Provided are a piston ring and a seal ring for a turbocharger that are provided with a hard covering film having superior cracking and peeling resistance. In the piston ring and the seal ring for a turbo charger, which are such that at l...
|
|
WO/2015/046427A1 |
[Problem] In order to provide a hard laminate film-coated piston ring having excellent scuff resistance, abrasion resistance, and coating film separation resistance and which is capable of being used in an environment having a high mecha...
|
|
WO/2015/045745A1 |
Provided is a piston ring which exhibits excellent resistance to abrasion caused by a mating member that is a cylinder or cylinder liner made of an aluminum alloy and which can reduce the abrasion of the mating member. A piston ring (10)...
|
|
WO/2015/046437A1 |
[Problem] In order to provide a piston ring coated in a hard laminate coating film having excellent scuff resistance, abrasion resistance, and coating film separation resistance, that is capable of being used in an environment having a h...
|
|
WO/2015/040126A1 |
The invention relates to a piston with a piston ring groove, in particular a compression groove, on the outer circumference of a piston for internal combustion engines. The groove comprises a groove bottom extending between opposite groo...
|
|
WO/2015/041215A1 |
[Problem] In order to provide a combination of a cylinder bore and a piston ring using a cylinder bore spraying technique that can utilize an aluminum alloy cast made by normal die casting, and that has exceptional scuffing resistance an...
|
|
WO/2015/034086A1 |
Provided is a highly heat conductive piston ring that is for an internal combustion engine and that is able to exert gas sealing functionality and heat transmission functionality stably over the long term when used in an automobile gasol...
|
|
WO/2015/024693A1 |
The present invention relates to an oil control ring (10) comprising a web (4), which has a running surface (16), and oil channels (18), which run radially, the radial oil channels (18) intersecting at least one edge of the running surfa...
|
|
WO/2015/023002A1 |
Provided is a pressure ring which suffers from little adhesion of a piston material. This pressure ring (11) is provided with an annular body (12) made of a steel material which consists of 0.45 to 0.55mass% C, 0.15 to 0.35mass% Si, 0.65...
|
|
WO/2015/021238A1 |
100461 An improved piston ring (20) for use as an intermediate piston ring in a piston assembly having three or more piston rings is provided. The piston ring includes a piston ring body which extends through an arcuate shape between opp...
|
|
WO/2015/014786A1 |
The invention relates to a light-metal piston (1), in particular an aluminum piston, of a two-stroke engine, comprising at least one piston ring and an anti-rotation means (3) for the at least one piston ring. It is essential to the inve...
|
|
WO/2015/011982A1 |
[Problem] To provide a piston ring and a manufacturing method therefor, in which an outer peripheral surface and a side surface are given different film properties, wear resistance is maintained over a long period of time, and aluminum a...
|
|
WO/2015/010178A1 |
A sliding assembly is described for use in an internal combustion engine, comprising a cylinder liner (1) and at least one piston ring (10), the liner (1) comprising a through-bore that defines an internal surface (S) which, in turn, def...
|
