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Patent Searching and Data


Matches 101 - 150 out of 3,940

Document Document Title
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...  
WO/2010/151695A3
In some aspects, there is provided an apparatus. The apparatus may include a cylinder for a reciprocating steam engine, wherein the cylinder further comprises a cylinder ring. The cylinder ring may include a face and a heel, wherein the ...  
WO/2011/048864A1
Provided is a piston which reduces the amount of the air-fuel mixture to be discharged unburned and prevents piston rings from conglutinating due to heat. In the piston (2) on the outer circumferential surface of which a plurality of cir...  
WO/2010/126965A3
A method and apparatus for maintaining a seal between a cylinder and a fluid manifold for a reciprocating force delivery device is disclosed. A cylinder retention assembly comprises a rotatable member with a variable topography surface. ...  
WO/2010/094317A3
A piston chamber combination comprising a container type piston, communicating with an enclosed space, said enclosed space having an at least substantially constant volume.  
WO/2011/012786A1
The invention relates to a cylinder sleeve for lining the cylindrical wall of an internal combustion engine cylinder, said sleeve being made of flake graphite cast iron having a pearlitic matrix including carbon, silicon, manganese, phos...  
WO/2010/115010A3
A piston and cylinder assembly suitable for use in positive displacement machines (10) and capable of minimizing power losses resulting from friction and fluid leakage over a range of operating parameters. The piston (14) is reciprocably...  
WO/2010/151695A2
In some aspects, there is provided an apparatus. The apparatus may include a cylinder for a reciprocating steam engine, wherein the cylinder further comprises a cylinder ring. The cylinder ring may include a face and a heel, wherein the ...  
WO/2010/102807A3
A layer arrangement (17) for an intaglio cylinder (10) comprises nickel in at least a first region (30) through the entire thickness (d) thereof, with a mass fraction of at least 0.80. Said arrangement is designed to permit an imaging (2...  
WO/2010/102808A3
A workpiece (10), in particular an intaglio printing cylinder, comprises a base body (12), a first layer (14), at least partly arranged om the base body (12) containing nickel with a mass fraction of at least 0.80, in particular of at le...  
WO/2010/126965A2
A method and apparatus for maintaining a seal between a cylinder and a fluid manifold for a reciprocating force delivery device is disclosed. A cylinder retention assembly comprises a rotatable member with a variable topography surface. ...  
WO/2010/115010A2
A piston and cylinder assembly suitable for use in positive displacement machines (10) and capable of minimizing power losses resulting from friction and fluid leakage over a range of operating parameters. The piston (14) is reciprocably...  
WO/2010/055764A1
A cylinder tube (11) for a hydraulic cylinder (10) is provided with welding beads (22a, 22b) functioning as rigidity change sections in which cross-sectional rigidity changes. The rigidity change sections are located, in a cross-section...  
WO/2010/044216A1
Disclosed is a sliding member having a pit (122A) formed on an inner circumferential surface (121) that slides with respect to an opposing member. Since the pit (122A) differs from the cross-hatch pattern of the open cross-sectional shap...  
WO/2010/043669A1
In a method for coating a sliding element, in particular a piston ring or a cylinder liner of an internal combustion engine, DLC phases are embedded into a hard material layer as said hard material layer is deposited. A sliding element,...  
WO/2010/015229A1
The invention relates to a method for producing for example a cylindrical surface (Fig. 10) which has a suitable surface structure of a predetermined geometry for applying material by thermal spraying. According to said method, a geometr...  
WO/2009/106201A1
The invention relates to a method for coating a thermally and tribologically highly stressed component of an internal combustion engine with a DLC layer, characterized in that a first DLC layer is first applied to the component by means ...  
WO/2009/069703A1
This aims to provide a cylinder structure capable of reliably reducing, if a piston ring having linear expansion characteristics to follow the linear expansion of a cylinder liner made of an aluminum alloy is used, the damage due to the ...  
WO/2009/060672A1
Provided is a cylinder block which has a simple constitution and an enhanced rigidity, includes a liner and a water jacket of closed deck structure, and which can be easily molded at a low cost. The cylinder block (1) comprises a liner (...  
WO/2009/054402A1
In an abrasion resistance reinforcing method of a sliding structure consisting of at least a pair of components in sliding relation and provided with a seal member on the sliding surface of one component, an abrasion resistant metal plat...  
WO/2009/044824A1
A cylinder in which friction between the inner wall surface of the cylinder and piston rings occurring when a piston reciprocates is reduced in a region in which the piston rings slide on the inner wall surface. The cylinder, in which th...  
WO/2009/026879A1
The invention relates to a clutch disengagement system, wherein at least one cylinder has a sealing groove for a dynamic seal, the contact area of said groove being reduced in relation to a smooth surface.  
WO/2009/014107A1
A horning method for a cylinder liner formed by impregnating a ferrous porous sintered body with an Al alloy from the outer circumferential side of the sintered body. The method is characterized by consisting of the first grinding step o...  
WO/2008/124464A1
A powder metal cylinder liner with a ratio of the length to the wall thickness greater than 12 made of at least two end to end cylinder liner pieces with each piece having a ratio of the length to the wall thickness of less than 20. The ...  
WO/2008/116556A1
The invention relates to a diecasting tool for the production of a cylinder crankcase (2), comprising a salt core (4) and at least one cylinder sleeve (6), wherein the cylinder sleeve (6) comprises an upper end (8) on the cylinder side, ...  
WO/2008/105646A1
The invention relates to a pressure generator and to the novel features thereof, which is intended to multiply pressure output through the use of sealed chambers containing rodless pistons acting on the fluid which operates as a force tr...  
WO/2008/074277A1
The present invention relates to an insert (10, 110) for a cylinder sleeve (20, 120, 220) or for a cylinder (222) of an internal combustion engine (30, 130, 230) for reducing the diameter of the cylinder sleeve (20, 120, 220) or of the c...  
WO/2008/055594A1
The invention relates to a quasi-monolithic cylinder crankcase, cast in a permanent metal mould, for an internal combustion engine, having an infiltration body (1) which is made so as to penetrate the cylinder crankcase and is formed by ...  
WO/2007/116852A1
A sliding material whose surface sliding properties can be altered by shot blasting according to properties required of a sliding part without considerably changing the surface roughness of the sliding material. The sliding material is c...  
WO/2007/086227A1
A low-friction slide member having a slide surface allowing relative sliding via an oil as to a surface of opponent material, characterized in that the slide surface is provided with multiple texture groups consisting of at least two rec...  
WO/2007/047799A2
A two-speed cylinder of the invention comprises a cylinder tube having an open end and a closed end, with at least one cylinder port located in the tube. A bearing sleeve is movably mounted in the tube. The bearing sleeve comprises a bod...  
WO/2007/047220A1
Provided is a low friction, self-lubricating sleeve (104) for use with a reciprocating piston (102) in the compressor (100) and/or the expander subsystem of a cryogenic cooler or other compressor type system. The sleeve is bonded to an o...  
WO/2007/028650A1
The invention relates to a cylinder crankcase for a motor vehicle made of a light alloy, which is produced my means of a pressurized casting process, and which is provided, at least in areas, with undercuts. The cylinder crankcase is pro...  
WO/2007/003761A1
The invention relates to a cylinder sleeve (2) for lining the cylindrical wall of a cylinder (A1) of an internal combustion engine. The inventive sleeve (2) comprises an inner wall (3) which is intended to guide a piston in translation a...  
WO/2006/061710A1
The disclosure relates to surface roughening methods in which a cutting tool having a radial cutting blade with first and second cutting edges is fed along a longitudinal axis of an article while rotating the cutting tool about the axis....  
WO/2006/061701A1
The disclosure relates to surface roughening methods in which a cutting tool having a radial cutting blade with first and second cutting edges is fed along a longitudinal axis of an article while rotating the cutting tool about the axis....  
WO/2006/061695A1
The disclosure relates to surface roughening methods in which a cutting tool having a radial cutting blade with first and second cutting edges is fed along a longitudinal axis of an article while rotating the cutting tool about the axis....  
WO/2006/059790A1
Dimples (10) are provided in an overlap section (W) in which a piston ring (8) of the outer peripheral upper end of a piston and an oil ring (9) of the outer peripheral lower end of the piston overlap each other by reciprocating motion o...  
WO/2006/003019A1
The invention relates to a sealing system for sealing a cylinder head (2) against a cylinder sleeve (1) of a single- or multi-cylinder internal combustion engine, notably a four-stroke diesel engine, with a divided cast iron crankcase co...  
WO/2005/121403A1
The invention relates to a structural gliding component that is coated with chromium nitride and metallic chromium. The inventive structural gliding component is characterized in that the coating is composed of a plurality of individual ...  
WO/2005/071293A1
A sleeve element (22) having at least one end region (21) configured to be biased into a laterally adjacent recess (26) formed in one of the piston element surface (27) and the bore surface (41) is disclosed. A seal assembly is disclosed...  
WO/2005/065867A1
A cylinder liner for insert casting and a method for manufacturing the cylinder liner are provided. The cylinder liner and the method are applied to cylinder blocks and improve the adherence and the bonding strength with a cylinder block...  
WO/2005/033575A1
[PROBLEMS] To provide a system for maximizing an interval for overhauling an engine by minimizing the wear of a two object friction system due to abrasion, particularly by minimizing the wear of the internal combustion engine between the...  
WO/2004/113773A1
A sliding seal arrangement in particular for a valve having an anodised aluminium coating in contact with the seal. The coating is produced so that inclusions in the surface of the coating are substantially aligned. The direction of moti...  
WO/2004/109083A1
The invention relates to a gas seal between a coolant jacketed cylinder liner (12) and a cylinder head (11) in an internal combustion engine functioning with high combustion pressures. The cylinder head has a circular groove (17), which ...  
WO/2004/092621A1
A hydrodynamic face seal (100) for sealing between the cylinder head (300) and rotating sleeve (200) of a rotating liner engine. The face of the face seal provides a sealing zone (130) for maintaining a lubricant layer of about 2 microme...  
WO/2004/079177A1
A reciprocating engine (1) has a piston ring (5), a piston ring (7), and a gas passage (15). The piston ring (7) forms an annular gas chamber (6) between itself and the piston ring (5) and is adjacent to the piston ring (5) such that a p...  
WO2004026501A3
A variable diameter cylinder made from a sheet having first and second edges that are opposite to each other and that slideably connect with each other to form a helical joint of a cylinder such that sliding the edges of the sheet along ...  
WO/2004/031583A1
A piston-chamber combination comprising an elongate chamber which is bounded by an inner chamber wall, and comprising a piston in said chamber to be sealingly movable relative to said chamber wall at least between a first longitudinal po...  

Matches 101 - 150 out of 3,940