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Matches 1 - 50 out of 8,688

Document Document Title
WO/2019/096609A1
The invention relates to a piston (1) having a first center bore (2) and a second center bore (3) for accommodating a piston pin (4). It is essential to the invention for the two center bores (2, 3) to have different diameters and for an...  
WO/2019/094138A1
A plunger configured as described herein provides geometry optimizations to minimize friction magnitude and variability during use by maintaining low deformation under large extrusion forces. More specifically, plunger embodiments descri...  
WO/2019/083021A1
This engine system (100) has: variable compression devices (6, 7 and 8) having a fluid chamber (R3) in which a piston rod (6) connected to a piston (4) is moved in a compression ratio-increasing direction by a supply of pressurized worki...  
WO/2019/084320A1
Disclosed herein are embodiments of an aging heat treatment that can be used to replace conventional aging steps when making alloy embodiments of the present disclosure. Embodiments of the disclosed aging heat treatment reduce cost and c...  
WO/2019/074620A1
An apparatus and a method include a piston in a cylinder bore for an internal combustion engine. The piston has an outer cylindrical surface with a first annular groove adjacent a second annular groove. The first annular groove is adjace...  
WO/2019/072623A1
The invention relates to a cold worked steel brake piston (1) for a motor vehicle partially lined disc brake, having a thin-walled construction as a pot which is open on one side, comprising a bottom (2) and a wall (3), with a groove (6)...  
WO/2019/058960A1
This piston for an internal combustion engine has a piston head, a pair of piston skirts, and a pair of side walls. Each of the side walls has a pin boss having a piston pin hole therein and is located between the pair of piston skirts. ...  
WO/2019/059109A1
The present invention provides a piston that is capable of achieving characteristics in accordance with the performance desired for each portion of the piston. The piston includes an aluminum alloy. The piston has a piston head section, ...  
WO/2019/052905A1
The invention relates to an imide polymer-based solid film lubricant, a method for producing same, a sliding element comprising same and the use thereof. According to the method, difunctional or cyclized difunctional compounds and option...  
WO/2019/049161A2  
WO/2019/049738A1
This piston is provided with a piston body and a film. The film has a film body and a film thickness measurement recess. The film thickness measurement recess is opened toward a combustion chamber, and has a bottom section, an opening ed...  
WO/2019/048750A1
The hydraulic piston (1) forms a hydraulic chamber (5) with a cylinder (4) and has a cylindrical body (6) that receives sealing means (16) and the cylindrical external surface (13) of which is housed with a little play in the cylinder (4...  
WO/2019/048179A1
The invention relates to a piston-cylinder unit comprising a piston rod (5) on which there is at least one piston (9) which has a radially elastic piston ring (33) on an outer lateral surface (37) and which passes into a cylinder (11) de...  
WO/2019/034293A1
The invention relates to a piston ring set comprising three piston rings, an upper compression ring (4) having a low butt play and good sealing, a central oil wiper ring (6) and a lower compression ring (8), likewise having low butt play...  
WO/2019/032894A1
A ringset (220, 230) is configured to be arranged on a piston (226) for sealing a gas in a high-pressure region of a cylinder (260) in the absence of oil or other liquid lubricant. The ringset includes one or more rings made from a high-...  
WO/2019/032904A1
A sealing ring (200) includes a first sealing element (220) having a first mating surface and a second sealing element (230) having a second mating surface. A high-pressure boundary (250) extends across at least a portion of the first se...  
WO/2019/032919A1
The present disclosure provides a sealing ring assembly (402) with one or more piston-integrated gap cover features, configured to seal a high-pressure region from a relatively lower pressure region of a piston (410) and cylinder device....  
WO/2019/013287A1
This internal combustion engine piston comprises: a steel first member; and an aluminum alloy second member that is bonded to the first member via an annular bonding layer. The bonding layer is 1.0–20.0 μm thick on both the inner circ...  
WO/2019/008265A1
The present invention relates to a shaft (10) designed to be coupled to a bearing (4), notably within a mechanical system (1) with which a combustion engine is equipped, being subjected to average contact pressures of less than 200 MPa. ...  
WO/2019/008266A1
The present invention relates to a mechanical system (1), comprising a bearing (4) and a shaft (10) coupled to the bearing (4), especially for an internal combustion engine, being subjected to average contact pressures of less than 200 M...  
WO/2019/002570A1
The present invention relates to a cooling device (8) comprising: - a housing (22); - a crank (28) rotationally movable relative to the housing (22); - a piston (16); - a coupling component (34) rotationally mounted on the crank (28), th...  
WO/2018/224769A1
The invention relates to a hydraulic piston (1) which constitutes a hydraulic chamber (5) with a cylinder (4) and has a cylindrical body (6) connected - on the side of said chamber (5) - by a valve stop-link (3) to a valve for holding a ...  
WO/2018/221638A1
A combustion chamber structure for engines, comprising: a piston crown surface, a combustion chamber ceiling surface formed in a cylinder head; and a spark plug attached to the combustion chamber ceiling surface and having an ignition se...  
WO/2018/221639A1
A combustion chamber structure for engines, comprising a piston crown surface, a cylinder wall surface, a combustion chamber ceiling surface, and a spark plug having an ignition section and igniting at a timing at which the piston is at ...  
WO/2018/221306A1
A combustion chamber structure for engines, comprising: a piston crown surface; a combustion chamber ceiling surface formed in a cylinder head; an injector and a spark plug that are provided in the combustion chamber ceiling surface; and...  
WO/2018/216503A1
Provided is a piston for an internal combustion engine, the piston being configured so that the amount of deformation of the piston head can be reduced. This piston for an internal combustion engine is provided with: a piston head; a pai...  
WO/2018/213768A1
A setting tool that sets a packer or bridge plug in a wellbore using an improved piston rod design.  
WO/2018/198786A1
The objective of the present invention is to provide a novel internal-combustion engine piston with which it is possible to achieve both an improvement in thermal efficiency and a reduction in harmful components of exhaust gas, and with ...  
WO/2018/198898A1
The objective of the present invention is to provide a piston which is suitable for stable production, and which is provided with a heat insulating layer having good heat insulation properties, thermal responsiveness and adhesion propert...  
WO/2018/199024A1
Provided is an internal-combustion engine piston having a porous structure with which both adhesion to a base material and durability can be maintained, and with which low thermal conductivity and low volumetric specific heat can be achi...  
WO/2018/190061A1
Provided is a smooth sliding member comprising: a sliding member formed of metal and having an uneven structure in the surface; and a smooth coating layer that coats the surface of this sliding member. The coating layer is formed of the ...  
WO/2018/190167A1
According to the present invention, a piston of an internal-combustion engine includes a piston main body portion, an abrasion resistant ring, and an intermediate layer. The piston main body portion is formed from an aluminum alloy or a ...  
WO/2018/184894A1
The invention relates to a piston (1) of an internal combustion engine (2), comprising a piston head (3), which has a piston bowl (4) and a ring part (5), and comprising an annular cooling channel (6), which is arranged between the ring ...  
WO/2018/183503A1
Internal combustion engines having pistons with one or more depressions located on the piston head to facilitate the movement of air/charge in the cylinder are disclosed. The pistons may include a skirt with a field of pockets that provi...  
WO/2018/173548A1
This piston is provided with a functional layer holding part (34) formed on a crown surface (30) of a piston head (3), wherein the functional layer holding part (34) has, disposed adjacent to each other, an insulating coating (C1) servin...  
WO/2018/163847A1
A projecting part 31S projecting to a first sliding surface 2A side in a cross-section along the sliding direction of a second sliding surface 31S is provided on the second sliding surface 31S, which slides relative to the first sliding ...  
WO/2018/158419A1
The present invention is directed to a gudgeon pin for internal combustion engines, which gudgeon pin consists of case-hardened steel and is characterized in that a ratio of a residual wall thickness of the gudgeon pin to an overall thic...  
WO/2018/154207A1
The invention mainly relates to a mechanical device (9) for transmitting movement for a combustion engine, comprising: - a connecting rod (10) comprising a connecting rod big end (13) intended to cooperate with a crank pin of a crankshaf...  
WO/2018/141762A1
The invention relates to a cylinder-piston device, comprising a cylinder (1), on the inside of which a seal is provided in the form of a liner, and at least one piston (2), at the radially outer side of which at least two outer sections ...  
WO/2018/130779A1
The present invention concerns a combustion engine piston (1), comprising: a skirt (2) for guiding the piston (1) in translation along a central axis (X1) in a counter-part (C) and consisting of a first contact area (Z2) of the piston (1...  
WO/2018/131443A1
Provided is a piston manufacturing method including: a formation step for forming a reference surface on a crown surface of a piston; a processing step for processing a piston pinhole in a set position, with the reference surface as a po...  
WO/2018/131356A1
In order to provide a piston which is for an internal combustion engine and makes it possible to both improve combustion efficiency and suppress knocking, the present invention is provided with: a piston body that contains a metal, has a...  
WO/2018/113810A1
The invention relates to a screw-threaded working cylinder comprising a tubular cylinder (1), a closure (2) and a piston unit (3), wherein the tubular cylinder (1) has an end region (4), the end region (4) of the tubular cylinder (1) has...  
WO/2018/116753A1
Provided is a piston for an internal combustion engine enabling an improvement in the controllability of thermal conductivity. The piston for the internal combustion engine is provided with: a body section which is formed from a metal ma...  
WO/2018/099858A1
The present invention relates to a piston-connecting rod assembly (1) for an internal combustion engine, comprising a piston (10) with a piston boss (11), in which piston boss (11) a small end (21) of a connecting rod (20) is received wi...  
WO/2018/097009A1
Provided is a diesel engine comprising: a cylinder (12); a cylinder head (14); a fuel injection valve (17); and a piston (13). The piston (13) includes: a cavity (30) that is recessed so as to be capable of receiving fuel injected from t...  
WO/2018/092176A1
[Problem] To provide an internal combustion engine that can suitably realize suppression of a piston slap noise and reduction of friction. [Solution] An internal combustion engine is provided with: an engine body 2 that defines a cylinde...  
WO/2018/086510A1
An internal pressure type automatic compensation piston. The piston comprises a piston body (1), a sealing body (2) mounted on the piston body (1), and a gland (5). The sealing body (2) is located between the piston body (1) and the glan...  
WO/2018/073033A1
The invention relates to a sealing element and/or guide ring produced from a composition that contains: i) 50 to 98 wt% of polytetrafluoroethylene and/or modified PTFE, ii) 1 to 49 wt% of perfluoroalkoxy polymer and iii) 1 to 49 wt% of a...  
WO/2018/069411A1
The present invention relates to a method for producing an object (6) by means of laser melting. It is essential to the invention that at least two different powdery starting materials (4, 5) are used, which have different strength prope...  

Matches 1 - 50 out of 8,688