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WO/2017/183561A1 |
A cylinder 100 is provided with a cylinder tube 110 and a cylinder bottom 120 that occludes an opening of the cylinder tube 110. Annular groove sections 114, 124 that extend in the circumferential direction are formed on at least one of ...
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WO/2017/184382A1 |
An internal combustion engine includes a cylinder block, a cylinder head integral with the cylinder block, and a cylinder bore extending along a longitudinal axis within the cylinder block body. The cylinder bore has an upper portion adj...
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WO/2017/160782A1 |
A cast iron having high strength, hardness, and thermal conductivity for a cylinder liner of an internal combustion engine is provided. The cast iron includes 3,2 wt. % to 3.8 wt. % carbon, 2.2 wt. % to 3,2 wt. % silicon 0.5 wt. % to 13 ...
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WO/2017/137500A1 |
The present invention relates to a tribological system (1; 2) with a first body (102; 105) and a second body (101; 107), which each form a component of an internal combustion engine (100), in particular a piston (110), a piston ring (105...
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WO/2017/128510A1 |
A combined cylinder liner, comprising a body (1), a cylinder liner outer ring (2) and a cylinder liner inner ring (3), wherein the cylinder liner outer ring (2) is located inside the body (1), the cylinder liner inner ring (3) is inserte...
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WO/2017/089852A1 |
A piston-chamber combination comprising a chamber (1) which is bounded by an inner chamber wall (4), and comprising a piston (1) in said chamber (2) to be engagingly movable relative to said chamber wall (4) at least between a first posi...
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WO/2017/072075A1 |
'Piston rings in cast tool steels and process for the manufacture thereof', belonging to the field of piston rings of tool steel for internal combustion engines, relates to cast piston rings of tool steels the microstructure whereof is c...
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WO/2017/004643A1 |
The invention relates to a cylinder liner (1) for an internal combustion engine, comprising a collar (2), wherein the cylinder liner (1) has a protruding flow-guiding device (5) on the lateral surface (3) of the cylinder liner, which flo...
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WO/2016/185983A1 |
A damper comprises a piston provided with a rod, and also comprises a cylinder for accommodating the piston. The damper provides damping force by means of the movement or relative movement of the piston. The cylinder is provided with wid...
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WO/2016/170935A1 |
Provided are a functional cylinder body having a plurality of layers in which magnetic patterns and non-magnetic patterns are formed adjacent to each other, and a manufacturing method therefor. The functional cylinder body includes at le...
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WO/2016/142478A1 |
The present invention relates to an arrangement (10, 100, 200), comprising a cylinder liner (12) or a cylinder bore which is introduced into a crank housing (11) of an internal combustion engine, a piston (13) accommodated in the cylinde...
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WO/2016/132713A1 |
Provided is a hydraulic cylinder using oil pressure, etc., the hydraulic cylinder being configured so that the thickness of a head cover, etc. is reduced so that the hydraulic cylinder is lighter and has a small overall length. A head co...
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WO/2016/105874A1 |
A cylinder liner (300) is provided that can prevent a band seal (318) from being damaged during installation. The cylinder liner (300) includes a pilot portion (310) having a larger outer diameter (320) than an outer diameter (326) of th...
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WO/2016/098619A1 |
A cylinder (100) is provided with: a hollow body section (10) having one end formed as a narrowed section (11) having an inner diameter gradually reduced toward one axial end surface (10A); and a cover section (20) having an end surface ...
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WO/2016/060125A1 |
This shock absorber (100) is provided with: a plate (12) which, as a result of swaging a piston rod (4), is fixed to the piston rod (4) so as to be further towards the tip side than a nut (11); and an engagement part (7b) which is provid...
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WO/2016/054173A1 |
A cylinder liner assembly (16) is disclosed for use with an engine (10). The cylinder liner assembly (16) may have a liner (32) with a hollow, generally cylindrical body (36) extending from a top end to a bottom end along a longitudinal ...
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WO/2015/187614A1 |
A device (10) includes an outer cylinder (12) having a cylinder inner wall (54) and a cylinder outer wall (56) and at least one magnet (18) disposed on or between the cylinder inner wall and the cylinder outer wall and a piston (14) havi...
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WO/2015/146264A1 |
A hydraulic rotary machine rotated and operated by an operating fluid supplied thereto and discharged therefrom comprises: a cylinder block to which a shaft is connected and which rotates together with the shaft; cylinders which are form...
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WO/2015/132796A1 |
A piston apparatus or device having a conical internal surface pointed at the back-end for reduction or elimination of reactionary thrust acting in a direction opposite to the direction of the piston- head from internal fluid pressure, T...
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WO/2015/133490A1 |
The present invention relates to an internal-combustion engine cylinder block (10) and a production method therefor. In the internal-combustion engine cylinder block (10), a SiC interlayer (20) and a DLC film (22) are formed on an inner ...
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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...
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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 ...
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WO/2015/078702A1 |
The present invention relates to a method for the lining of a thin-walled sliding element (20) for internal combustion engine blocks ion which: (i) the pressure applied for honing the sliding element (20) is between 8 MPa and 9 MPa; and ...
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WO/2015/044735A1 |
A method for forming an iron sprayed coating (23) on a substrate (21) with droplets of a wire molten by an electric arc includes: a step of forming a first iron sprayed coating (24) on the substrate, the wire for arc spraying being a fir...
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WO/2015/045286A1 |
A heat-insulating layer (21) formed on the surface of a member (19) that faces a combustion chamber of an engine, the layer (21) comprising hollow particles (23) constituted of an inorganic oxide, a filler material (25), and a vitreous m...
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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...
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WO/2015/027729A1 |
Discloses is a fluid cylinder (100) comprising a cylinder tube (10) having a first tube end (El) and a second tube end (E2) with respect to a tube axis (a) of the cylinder tube (10), wherein the tube axis (a) refers to the axis of the cy...
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WO/2015/024628A1 |
The invention relates to a method for coating a cylinder wall of an internal combustion engine, in which the cylinder wall is roughened prior to coating, characterised in that the cylinder wall is compressed prior to roughening by plasti...
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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...
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WO/2015/004993A1 |
An iron-based sprayed coating which covers the bore inner surface of a cylinder block for an internal combustion engine, wherein: the coating contains pits on the surface thereof; the quantity of the pits is 0.01 to 2.1%; and the surface...
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WO/2014/206849A1 |
A piston engine, comprising a cylinder face (2), in which a piston (3) connected to a crankshaft by a connecting rod (6) can move linearly up and down, wherein the piston (3) has at least one circumferential piston ring groove (7) in whi...
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WO/2014/154465A1 |
The invention relates to a hydrostatic piston machine, which can be used as a pump or as a motor, is formed in particular as a hydrostatic axial piston machine and has a cylinder drum in which there are formed a multiplicity of cylinder ...
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WO/2014/103562A1 |
[Problem] If some or all of the spring-receiving sections are bent beyond what is specified, the engagement of, for example, a piston that is used by being fitted into the opening formed at the end of a first retainer member or a second ...
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WO/2014/103940A1 |
The purpose of the present invention is to provide a cylinder and piston ring assembly, wherein when combining a cylinder obtained from a hyper-eutectic Al-Si alloy with a hard carbon film-coated piston ring, both exhibit excellent abras...
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WO/2014/088278A1 |
The present invention relates to an actuator using a phenomenon in which a soft sealing film moves reciprocally inside a pressure container while having a variable form, like a piston inside a cylinder, as the soft sealing film comes int...
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WO/2014/085294A1 |
Disclosed herein is an internal combustion engine includes a cylinder with a mid-stop shelf and a liner positioned within the cylinder. The liner includes a seat supported on the mid-stop shelf. Further, the liner defines a piston channe...
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WO/2014/065156A1 |
The present invention reduces friction caused by the sliding movement of a piston. Provided is a cylinder block (10) comprising a crosshatch (14) that is formed on the inner peripheral surface of a cylinder (13) and that has a crosshatch...
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WO/2014/047698A1 |
The present invention proposes a cylinder liner (1) comprising first (2) and second (3) metallic and cylindrical portions, integrally associated to each other by friction steel welding. The second portion (3) of the cylinder liner (1) fa...
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WO/2014/046322A1 |
Disclosed is a caulking method for preventing a piston from being loosened, capable of preventing the piston coupled to a cylinder rod of a hydraulic or pneumatic cylinder from being loosened by the vibration or the like generated during...
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WO/2013/178247A1 |
The invention relates to a cylinder liner (2') for a piston engine, such as a large two-stroke crosshead engine. The cylinder liner (2') comprises an inside surface (1'), at least one groove (3') formed in said inside surface (1'), said ...
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WO/2013/153079A1 |
Piston/cylinder unit for adjustment elements, having a piston (3) which is guided along the cylinder axis (Z) within a cylinder jacket (1), in the case of which piston/cylinder unit the invention proposes that the cylinder jacket (1) is ...
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WO/2013/137060A1 |
Provided is a combination of a cylinder and a piston ring that is capable of maintaining wear resistance and the smooth shape of the inner-circumferential surface of the cylinder over the long term, when combining a piston ring having a ...
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WO/2013/133098A1 |
For an inner surface of a hole having a first region (3a) on which a spray coating film (11) is formed and second regions (3b, 3c, 3d) that are continuous with the first region (3a) but do not require formation of the spray coating film ...
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WO/2013/127026A1 |
A geometric solid conical magnet electromagnetic pulse power machine comprising a crankshaft (11), a crank arm shaft (8), and a geometric solid conical magnet (4). The geometric solid conical magnet (4) is arranged within a sliding sleev...
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WO/2013/130685A1 |
An apparatus and method for coupling a piston (18) to a rod (22) to form a cylinder assembly (10) are provided. The piston has a tapped bore (30) extending therethrough for coupling to a first threaded region (63) of the rod. The rod end...
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WO/2013/123827A1 |
A piston rolling friction method, a piston suspension friction method, and a wear-resistant piston device using said method. The device comprises a piston, rubbing bodies, a cylinder body, and a rubbing body support. The rubbing bodies c...
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WO/2013/101784A1 |
A piston engine may include a piston assembly, which may include a piston having a self-centering feature. The piston assembly may be configured to translate in a bore of the cylinder, and contact a combustion section and/or gas driver s...
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WO/2013/101786A1 |
A piston engine may include a non-contact bearing between a piston assembly and a cylinder. The piston may be configured to translate in a bore of the cylinder, and a non- contact bearing may be included in a clearance gap between the pi...
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WO/2013/101785A1 |
A piston engine may include a heat pipe capable of transferring heat away from a portion of the piston engine such as a combustion section. The heat pipe may be included as part of a piston assembly, a cylinder, or both. The heat pipe ma...
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WO/2013/101787A1 |
A piston engine may include a clearance gap between a piston assembly and a cylinder. The piston may be configured to translate in a bore of the cylinder. The clearance gap between the piston assembly and the bore may be actively or pass...
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