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Patent Searching and Data


Matches 251 - 300 out of 6,948

Document Document Title
WO/2014/097924A1
Molten aluminum (M1) is poured into a metal mold (11) configured from: a piston-forming section (12) for forming a piston (1) except for the mouth (7) of the combustion chamber (5a); and a mouth-forming section (13), a portion or all of ...  
WO/2014/093605A1
An air spring piston for a heavy-duty vehicle includes a top portion and a bottom portion. The top portion includes a bumper and a connecting means for an air spring bellows. The bottom portion is mounted on a structure of the vehicle. T...  
WO/2014/083877A1
The present invention relates to a sliding member (10) which is provided with a sliding surface (12) which is in sliding contact with a predetermined member. The sliding surface (12) has formed thereon: a protrusion (26) which protrudes ...  
WO/2014/079407A1
The present invention relates to a piston (10, 110, 210) for an internal combustion engine, with a piston head (11) and a piston skirt (21), wherein the piston head (11) has a circumferential cooling duct (16), wherein the piston skirt (...  
WO/2014/079406A1
A piston (1) for an internal combustion engine is proposed with a piston head (4) and with two pin bosses (7) which lie opposite one another, are moulded integrally onto the piston head (4) in the direction which faces away from the pist...  
WO/2014/079405A1
The present invention relates to a piston pin (40, 140, 240) for a piston of an internal combustion engine, with an internal bore (41, 141, 241) running coaxially with respect to the centre axis (M) of the piston pin (40, 140, 240). Acco...  
WO/2014/076848A1
A multi-layer solid lubricant coating film comprising an under-layer coating film (21) and an upper-layer coating film (22) formed on the upper surface of the under-layer coating film (21) is formed on the outer peripheral surfaces of bo...  
WO/2014/076174A1
A method is described for producing an engine component, more particularly a piston for an internal combustion engine, in which an aluminium alloy is cast using the gravity die casting method and wherein the aluminium alloy comprises the...  
WO/2014/075021A1
A system, in certain embodiments, includes a piston clamping system including a piston rod comprising a piston rod shoulder and a piston rod nut coupled to the piston rod, wherein the piston rod nut and the piston rod shoulder are config...  
WO/2014/074291A1
A system, in certain embodiments, includes a composite piston. The composite piston comprises a piston body made of a composite material, wherein the composite material comprises a reinforcing material distributed in a matrix material.  
WO/2014/063766A1
The invention relates to a separating device for fluid media, which media can be received in a working housing (1), comprising a separating piston (3) which inside the working housing (1) separates two media compartments (5, 7) from one ...  
WO/2014/057935A1
Provided is a piston for internal combustion engines which suffers no decrease in strength even in high-temperature environments. In a space in which oxygen is present, an aluminum-silicon alloy piston for internal combustion engines is ...  
WO/2014/059272A1
A piston assembly is provided. The piston assembly may include: a piston rod; a piston pivotally connected to the piston rod; and a rotatable rod bearing configured to allow the piston rod to pass therethough and rotate along with the pi...  
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/2014/044263A1
The invention relates to a piston (1) having a sensor element (2), wherein the piston has a substantially cylindrical wall (3) with two opposite end faces (4, 5), wherein the sensor element is provided in the form of a segment, in partic...  
WO/2014/044244A2
The invention relates to a piston unit of a working cylinder, said unit having a first coupling partner and a second coupling partner. The first coupling partner is designed as a piston, the second coupling partner is designed as a pisto...  
WO/2014/046627A1
In order to reduce losses in a piston machine due to resistance of the lubricant against displacing the piston (1) furnished with at least piston ring (3, 3', 3") along the cylinder (2), and consequently to improve efficiency of operatio...  
WO/2014/044370A2
A piston (1) may comprise a piston body (4) having a piston skirt (6). The piston (1) may further comprise at least one piston ring groove (10, 12, 14) arranged in the piston skirt (6). A lowermost piston ring groove (14) may be arranged...  
WO/2014/039149A1
A compressor (20) has a case (22) and a crankshaft (38). The case has a number of cylinders (30 32). For each of the cylinders, the compressor includes a piston (34) mounted for reciprocal movement at least partially within the cylinder....  
WO/2014/034177A1
The purpose of the present invention is to maintain excellent lubricating performance even when the internal combustion engine is operated in severe environments. A primer layer (24) comprising a resinous material is disposed on the slid...  
WO/2014/015311A1
A piston for an internal combustion engine and method of construction thereof are provided. The piston includes a piston body having an upper combustion surface and an annular cooling gallery surrounding an undercrown region. An outer wa...  
WO/2014/014022A1
In order to suppress the peeling of a heat-shield film formed on a piston crown, an internal-combustion-engine piston structure is equipped with: a heat-shield film (22) for suppressing thermal transmission to the interior of the piston ...  
WO/2013/167105A1
The invention relates to a method for producing a piston (10, 110) for an internal combustion engine, having a main piston body (11, 111) and a piston ring element (12, 112), wherein the main piston member (11, 111) comprises at least on...  
WO/2013/160649A2
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 cha...  
WO/2013/160558A1
The present invention relates to a hot air engine (10) that comprises a cylinder (11 ) having a hot end (12) and opposite thereto a cold end (13). In the cylinder there is arranged a displacer (14) with a control rod (15) arranged theret...  
WO/2013/160202A1
The invention relates to a piston pump having a pump housing (10) which has multiple pump components which determine the function of the piston pump, such as a pump piston, a piston restoring spring (4), a pump drive (2) and a suction an...  
WO/2013/158107A1
A device and method for preventing and removing carbon deposit build-up on a piston/cylinder assembly of an engine, including a diesel engine, is disclosed. The device includes a cylinder having an inner sleeve for receiving a piston, a ...  
WO/2013/150370A1
The present invention relates to a piston (10) and a piston - connecting rod assembly (1) for internal combustion engines or compressors, featuring a pinless connecting rod assembly having a joint claw (11), whereas the joint claw (11) i...  
WO/2013/144432A1
Invention relates to a piston pin assembly for an internal combustion piston engine, which piston pin assembly comprises a piston pin having at its first end (14.1) and its second end (14.2) a first and a second affixing area for attachi...  
WO/2013/144429A1
Invention relates toa piston pinassembly for an internal combustion piston engine, in which piston pinassembly the first and the second ends(14.1, 14.2)having a common first central axis(14.4)and the center area having a second central a...  
WO/2013/146108A1
Provided is a sliding member having excellent abrasion resistance and high hardness in an environment in which a high load is applied. With this sliding member the surface of a sliding layer that supports an object to be slidably moved i...  
WO/2013/146393A1
Sliding members that make sliding contact with each other, with the sliding part of one of the sliding members being formed by means of amorphous carbon and the sliding part of the other sliding member being formed by means of a copper a...  
WO/2013/131939A1
The present invention relates to a piston pin (1) for connecting a small connecting rod eye of a connecting rod to a piston of an internal combustion engine, wherein the piston pin (1) has an inner bore (2) having an eccentricity (3, h) ...  
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/2013/129430A1
Provided are a heat-insulating member for improving engine thermal efficiency and improving fuel consumption, and an engine combustion chamber structure. The heat-insulating member (1) includes a substrate (5), a heat-insulating porous l...  
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/2013/123826A1
An engine piston rolling friction or suspension friction method, and a wear-resistant piston engine using said method. The wear-resistant engine comprises a crankshaft-connection rod mechanism, a fuel provision system (9), and a starting...  
WO/2013/125704A1
Provided is an engine combustion chamber structure with which the thermal efficiency of the engine can be improved and fuel consumption can be improved. Also provided is an inner wall structure for a flow path through which the engine in...  
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/2013/126365A1
A piston assembly includes a piston having a crown with an upper combustion surface with a cylindrical outer surface extending downwardly from the upper combustion surface. A pair of pin bosses depends from the crown to a pair of pin bor...  
WO/2013/117047A1
A concrete piston structure, a pumping system comprising the concrete piston structure, and a concrete pump. The concrete piston structure is arranged in a transport cylinder of the pumping system, comprising a piston connecting rod (1) ...  
WO/2013/117607A1
The invention relates to a steering actuator piston with a rack (6) for an aircraft landing gear (1). The piston comprises a body (18) made of light alloy having an externally threaded main section (11) ending at one end in a shoulder (1...  
WO/2013/116329A1
A method of forming a connecting rod, the method including the steps of: forming the connecting rod via a powder forging process; forming an integral wear resistant surface inside a bore of the connecting rod via an inductive heating pro...  
WO/2013/107672A1
The present invention relates to a piston (1) for an internal combustion engine with pin bores for accommodating a piston pin, wherein the pin bores (2) are formed in a transversely oval manner relative to the longitudinal axis of the pi...  
WO/2013/106377A1
A piston assembly including a piston body pivotally connected to a connecting rod by a wrist pin. The wrist pin includes a sealed cavity therein partially filled with a heat transfer medium. The heat transfer medium may be composed of a ...  
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/2013/099341A1
The present invention pertains to piston (10) that moves reciprocally in the cylinder of an internal combustion engine and has a piston skirt (12) that makes sliding contact with the inner wall of the cylinder. Solid lubrication parts (3...  
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...  

Matches 251 - 300 out of 6,948