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WO/2016/202485A1 |
The invention relates to a piston ring (2) having at least one ring flank seal (14), said at least one ring flank seal (14) being arranged on a lower ring flank (8) of the piston ring.
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WO/2016/202297A1 |
Disclosed is a piston ring, comprising an upper ring (1) and a lower ring located under the upper ring. The lower ring comprises an outer ring (2) and an inner ring (3). The thicknesses of the outer ring (2) and the inner ring (3) are id...
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WO/2016/194767A1 |
The purpose of this invention is to provide an oil ring for a diesel engine, a pair of rails in the oil ring having excellent independence and following properties, and an excellent side-surface sealing function being achieved for ring g...
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WO/2016/192864A1 |
The invention relates to a piston (1) for a cylinder (11) of an internal combustion engine (10), comprising - a piston base (2) in the peripheral face (3) of which at least one peripheral groove (4a, 4b, 4c) for receiving a piston ring i...
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WO/2016/177626A1 |
The present invention relates to a piston ring (1) for internal combustion engines provided with a base comprising a sliding external surface (3), an internal surface (4), an upper surface (5), and a lower surface (6), the external surfa...
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WO/2016/177642A1 |
A seal ring including a body having an inner surface, an outer surface, and a first side surface, and a tab extending from the body and adapted to prevent rotation of the seal ring relative to a component receiving the tab, wherein the t...
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WO/2016/173171A1 |
Disclosed is an oil scraper ring, comprising a ring body (4), the ring body (4) comprises two annular end faces (5) oppositely arranged top and bottom, and a radial external working face (1) and an internal circumferential face (2) which...
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WO/2016/174501A1 |
The present invention relates to a cylinder-piston system, comprising at least one cylinder (102), at least one piston (201) configured for a reciprocating linear motion inside the cylinder (102), and at least one rotating shaft system (...
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WO/2016/172071A1 |
A sliding element, such as a piston ring, including a substrate, base coating, and relatively thin sliding coating is provided. The base coating is typically applied to a running surface of the substrate by PVD, CVD, galvanic deposition,...
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WO/2016/169965A1 |
The invention relates to a piston-cylinder assembly (1) for a piston compressor, comprising a cylinder chamber (2) delimiting a cylinder running surface (3) for a piston (4) which is provided with at least one circumferential ring groove...
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WO/2016/163497A1 |
In order to provide a combined oil control ring that is for an automobile engine and that makes it possible to maintain excellent oil control function without adhesion occurring between a spacer expander and side rails even when an engin...
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WO/2016/163498A1 |
In order to provide a combined oil control ring for an automobile engine which makes it possible to maintain excellent oil control without adhesion occurring between a spacer-expander and side rails even when an engine is operated for a ...
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WO/2016/159269A1 |
Provided is a combined oil ring in which carbon sludge or the like is not deposited between a side rail and a spacer-expander even when an internal combustion engine is operated for a long time. This combined oil ring is provided with: a...
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WO/2016/143315A1 |
Provided is a side rail (1) formed in the shape of a split ring having an abutment (10), and combined with an annular spacer expander (2) to form a combination oil ring (3) for an internal combustion engine together with the spacer expan...
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WO/2016/143464A1 |
Provided is a piston ring with excellent anti-spalling, anti-friction, and thermal conductivity properties. A piston ring 1 comprises: an annular body 2 having a pair of side faces 2a, 2b, an outer circumferential face 2d, and an inner c...
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WO/2015/199183A9 |
In order to provide a piston ring that has excellent scuffing resistance and abrasion resistance, even when used in harsh environments wherein pressure and thermal load are increased, and in order to provide a piston ring that can also a...
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WO/2016/136202A1 |
A side rail (1), which is formed in a split ring form provided with a joint (10) and is combined with a circular spacer expander (2) to configure, together with said spacer expander (2), a combined oil ring (3) for an internal combustion...
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WO/2016/126170A1 |
The claimed invention relates to components which have wear-resistant surfaces and which are used, for example, in internal combustion engines. In one of the possible variant embodiments thereof, the claimed invention is a component w...
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WO/2016/123451A1 |
Fluid control assemblies including at least one spiral ring. The fluid control assemblies are used within core barrel assemblies to: provide an indication that a core barrel assembly has reached a drilling position and is latched to a dr...
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WO/2016/121483A1 |
The purpose of the present invention is to provide a piston ring that can sufficiently control the volume of blow-by gas and oil consumption by way of preventing a top ring from fluttering. Provided is a piston ring comprising an annular...
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WO/2016/120556A1 |
The invention relates to a sealing device with a fluid cushion (100) for a piston (101) moving in a cylinder (102) and defining with the latter a chamber to be sealed (104), which comprises a perforated continuous ring (105) with a calib...
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WO/2016/111162A1 |
The present invention addresses the problem of providing a combined oil control ring having a low tension with a small variance in tension, superior wear resistance, and superior sludge resistance, the combined oil control ring comprisin...
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WO/2016/092932A1 |
The purpose of the present invention is to provide a sealing device that: has a small number of parts, specifically, the number of parts being three or less, thereby making it possible to achieve a more compact sealing device; is resista...
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WO/2016/091881A1 |
The process relates, in a general manner, to a component of an internal combustion engine and, more specifically, the invention relates to a process for obtaining a piston ring. According to one embodiment of the invention, the process c...
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WO/2016/090895A1 |
A multistage throttling expansion method for an engine comprises: on a clearance channel from an engine combustor to a crankcase, arranging multistage sudden-contraction throttling structures for converting pressure energy of high-pressu...
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WO/2016/092776A1 |
An oil ring (1) has an oil ring main body (10) and a coil expander (20), wherein the outer peripheral ends of a pair of rail parts (12) of the oil ring main body (10) are each provided with a land (30) protruding diametrically outward fr...
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WO/2016/082955A1 |
The invention relates to a piston ring 1. Said piston ring 1 comprises an annular main body 2 which is preferably open at a butt joint and has a U-shaped cross section, the open side of which points inwards in the radial direction; an an...
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WO/2015/115601A9 |
The present invention addresses the problem of providing a piston ring having a hard carbon film exhibiting exceptional wear resistance and initial conformability, and a manufacturing method therefor. This problem is solved by a piston r...
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WO/2016/078834A1 |
The present invention relates to an axially stabilized two-part piston ring (2), comprising a main part (4) with a substantially L-shaped cross-section; which has an outer running surface (12) arranged on a running surface leg (8), and a...
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WO/2016/062620A1 |
The invention relates, in a general manner, to a component of an internal combustion engine and, more specifically, the invention is related to a piston ring of an internal combustion engine. The invention furthermore relates to an inter...
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WO/2016/058800A1 |
The invention relates to a piston cylinder arrangement for an oil-free compressor for generating compressed air, comprising at least one self-lubricating piston ring (1a-1f) arranged in an associated annular groove (3) of a piston (4), w...
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WO/2016/055498A1 |
The present invention relates to a piston ring (1) and to a process for deposition of a coating capable of guaranteeing a variable thickness of the coating layer (5) on the external surface (2) of the piston ring (1) such that a region i...
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WO/2016/056406A1 |
An oil ring 1 is provided with an annular body section 2 and a joint section 4, wherein: on the side of a first rail part 11 of the joint section 4, a first protrusion section 33 which protrudes from an end section 31 of one side of the ...
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WO/2016/050164A1 |
A piston ring (10) with variable radial thickness. The piston ring (10) comprises a ring body (11) having an opening (12). When the piston ring (10) is mounted, on the two sides of the opening (12) in symmetry, the inner radius R2 of the...
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WO/2016/042945A1 |
[Problem] To provide a coated slide member which makes polishing of a coating film surface easier in cases where a diamond-like carbon that does not contain hydrogen is formed on the surface of a base material so as to have a thickness o...
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WO/2016/038916A1 |
The purpose of the present invention is to provide a combined oil ring that enables a reduction in the amount of oil consumed in a high-speed region, even if the oil ring is intended to be low tension. Provided is a combined oil ring whe...
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WO/2016/039304A1 |
Provided is a piston member which is received in a tube in an axially movable manner, is affixed to a rectilinearly movable rod within the tube, is subjected to the pressure of fluid, and transmits the pressure to the rectilinearly movab...
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WO/2016/037270A1 |
A piston arrangement comprises a circumferential piston groove that can accommodate a seal for sealing between the piston and the cylinder bore when the piston moves in a reciprocal movement. The piston arrangement comprises a first flui...
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WO/2016/039308A1 |
Provided is a seal structure for fluid, the seal structure being applied to a rectilinear motion system. The seal structure is provided with: a piston member which forms a part of at least a piston body and which has an insertion hole, e...
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WO/2016/036404A1 |
In an annular groove (25) carried by one of a pair of reciprocally movable members (20, 22), a piston ring (30) is carried by the annular groove (25) for sealing the reciprocally movable members (20, 22) for minimizing fluid leakage betw...
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WO/2016/029599A1 |
Provided is a piston for ethanol fuel engine, with a piston head being provided with a first gas ring (1), a second gas ring (2) and an oil ring (3) successively from top to bottom, wherein the first gas ring (1) is of a rectangular barr...
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WO/2016/030162A1 |
The invention relates to an abrasion-resistant and friction-reduced coating for metal components. The coating comprises an inner layer (1), an intermediate layer (2) and an outer layer (3). The inner layer (1) is intended to be applied t...
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WO/2016/017499A1 |
Provided is a combination oil ring that further reduces engine oil consumption. The combination oil ring is installed in a piston oil ring groove, is formed in a flat sheet and in a ring shape, and comprises: a pair of upper and lower si...
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WO/2016/017575A1 |
In the piston (2) of the present invention, a chamfered section (15c) is provided on the outer peripheral edge of an anti-small diameter end of a seat section (15) provided on a piston body (10). For this reason, even if a synthetic resi...
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WO/2016/008920A1 |
The present application relates to a sliding element, in particular a piston ring, and to a method for producing the same, wherein the running surface of the sliding element, preferably the outer circumferential surface of the piston rin...
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WO/2016/002810A1 |
Provided is a piston ring (10) in which a sliding surface (11) is covered with a Cr-B-V-N alloy film (3), wherein the B content is in a range of 0.1-1.5 mass%, the V content is in a range of 0.05-1 mass%, the ratio [B content / V content...
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WO/2015/197361A1 |
The invention relates to a piston ring for a piston of a piston engine, comprising an outside peripheral surface (2), an inside peripheral surface (4), an upper flank (6) facing in the direction of the piston top side, and a lower flank ...
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WO/2015/192602A1 |
A hydraulic operating mechanism for a high pressure switch and a hydraulic working cylinder thereof. The hydraulic working cylinder comprises a cylinder body (11) that is provided with an inner cavity and a main piston (18) that is assem...
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WO/2015/186790A1 |
The objective of the present invention is to provide a laminated hard-film-coated piston ring which can be used in an environment in which an engine is subjected to high mechanical and thermal loads, and which has superior scuffing resis...
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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...
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