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Matches 51 - 100 out of 3,930

Document Document Title
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...  
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...  
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...  
WO/2014/180985A3
The present invention relates to a running set for use in an internal combustion engine, comprising at least one cylinder liner (4) or an engine block having at least one integrated cylinder (4') and having at least one piston ring (2), ...  
WO/2014/085425A3
Systems and methods are provided for a cylinder block having one or more bulkheads. The bulkheads provide a dual-wall structure that may enhance the stiffness of the cylinder block in bending and torsion. The bulkheads may also provide a...  
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 ...  
WO/2012/106791A8
The present invention aims at solving the problem of providing coatings for engine components (engine block or fixed or removable sleeves) with at least one cylindrical cavity and made mainly of iron or aluminium, which are to be provide...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2013/160649A3
A piston assembly (12) comprising a reciprocating sleeve (14) incorporating an integral internal piston surface (28), which sleeve is slidably mounted upon a cylinder head (18) so as to define a piston chamber (26) therewith, the piston ...  
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 ...  
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 ...  
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 ...  
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 ...  
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...  
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...  
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...  
WO/2013/058602A3
Although a pressure is boosted only one time in a hydraulic pressure booster cylinder for controlling and pressure-boosting working fluid by using air pressure according to the related art, the present invention may solve the above-descr...  
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...  
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...  
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...  
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...  
WO/2013/064228A1
The invention relates to an internal combustion engine having at least one cylinder (1), in the cylinder chamber (3) of which a piston is arranged that is axially movable between an upper reversal point and a lower reversal point, and ha...  
WO/2013/060529A1
The invention relates to a cylinder liner (2) of a cylinder of an internal combustion engine, in which cylinder liner an oscillating piston (3) is guided on a running surface (4), wherein the cylinder liner (2) is fixed vertically by mea...  
WO/2013/058602A2
Although a pressure is boosted only one time in a hydraulic pressure booster cylinder for controlling and pressure-boosting working fluid by using air pressure according to the related art, the present invention may solve the above-descr...  
WO/2013/026508A4
A piston - chamber combination comprising a chamber (186) which is bounded by an inner chamber wall (185) and comprising a piston inside said chamber to be engagingly movable relative to said chamber wall at least between a first longitu...  
WO/2013/053098A1
Disclosed are a delivery cylinder and a manufacturing method thereof, and pumping equipment comprising same. The delivery cylinder preparation method comprises the following steps: forming a first intermediate cylinder body by machining;...  
WO/2012/146333A3
A piston-chamber combination comprising a chamber (186) which is bounded by an inner chamber wall (185) and comprising a piston inside said chamber to be engagingly movable relative to said chamber wall at least between a first-longitudi...  
WO/2013/040770A1
Disclosed in the present invention is a connecting structure of the functional component of the driving cylinder. The functional component is provided with a cylinder bottom part (1), a cylinder barrel (2) and a guide sleeve (3). The cyl...  
WO/2013/038788A1
A thermal spray material which is capable of reducing unevenness of coating film hardness in a thermal spray coating film, thereby improving the coating film hardness and achieving excellent separation resistance; a thermal spray coating...  
WO/2013/026508A1
A piston - chamber combination comprising a chamber (186) which is bounded by an inner chamber wall (185) and comprising a piston inside said chamber to be engagingly movable relative to said chamber wall at least between a first longitu...  
WO/2012/173550A1
A device for damping of a piston (3) being connected to a piston rod (4) and being moveable to and fro inside a cylinder housing (2) of a cylinder, including a damping recess (8) being associated with the piston and a damping protrusion ...  
WO/2012/151709A1
The invention relates to an operating cylinder (1) which comprises a cylinder liner (3) having one or more annular grooves (4) incorporated into it, corresponding retainer rings (5) or retainer ring segments (5a) fitting into said groove...  
WO/2012/125097A1
A combustion engine includes a combustion engine piston cylinder including an interior wall surface, the interior wall surface having a textured pattern comprising a plurality of texture elements over at least part of an axial length of ...  
WO/2012/106791A1
The present invention aims at solving the problem of providing coatings for engine components (engine block or fixed or removable sleeves) with at least one cylindrical cavity and made mainly of iron or aluminium, which are to be provide...  
WO/2012/095215A1
The invention relates to a method for roughening and thermally coating a surface (1), especially a cylinder running surface of an internal combustion engine, the roughening being the preparation of the surface (1) for thermally coating t...  
WO/2012/085145A1
The invention relates to a device including a piston (1) which slides inside a hollow cylinder (2), said piston being provided with a guide strip (3) on at least one of the surfaces thereof that contacts the inner surface (4) of the cyli...  
WO/2012/076292A1
The invention relates to a cylinder made of metallic material or of plastic for a reciprocating piston machine having a crank drive, in particular having a crank loop drive, having at least one cylinder casing (1) that has a cylinder bor...  
WO/2012/034737A1
In a pump (10), in particular for a vehicle brake system, having a pump piston (16) which is guided displaceably in a pump cylinder (32), according to the invention the pump cylinder (32) is produced by means of deep drawing.  
WO/2012/017590A1
This reciprocating engine (1) is such that high-temperature high-pressure combustion gas (12) above a piston (2) is introduced during the initial period of an expansion step from a gas path hole (23) provided at the upper portion (22) on...  
WO/2012/008890A1
A manufacturing method for providing a low-friction surface comprises providing (210) of a mechanical element. A tool is mechanically rubbed (212) against a surface of the mechanical element. A process liquid is provided (214) to a conta...  
WO/2011/151085A1
The invention relates to a cylinder housing, in particular a pump cylinder housing, with a hollow cylinder (1) and with an end-side cover part (2, 2'), characterised by a threaded sleeve (14, 14') which may be fixed on the outside on the...  
WO/2011/135955A1
The disclosed cylinder device is capable of maintaining an excellent connection state, and has a tubular cylinder (11), an end member (12) disposed at the end of the cylinder (11), and a welded portion (13) fixed by welding one end of th...  
WO/2011/114888A1
Disclosed is a cylinder liner having a high bonding strength to a cylinder block. Further disclosed is a method for producing same. The cylinder liner uses a silicon-aluminum alloy as a material; a plurality of protrusions are formed on ...  
WO/2011/051008A1
The invention relates to a sliding element, in particular a piston ring, preferably made of cast iron or steel, comprising a coating having a CrN, an Me(CxNy), and a DLC layer extending from the inside to the outside, wherein the DLC lay...  

Matches 51 - 100 out of 3,930