Matches 1 - 50 out of 397 1 2 3 4 5 6 7 8 >


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US20130014725 Internal Combustion Engine  
In an engine, blow-by is substantially eliminated and friction is significantly reduced using one or more combinations of non-metallic rings. By substantially eliminating blow-by and by reducing...
US20140331961 PISTON HAVING COMBUSTION BOWL AND ENGINE USING SAME  
A piston for balancing combustion efficiency and smoke generation with NOx production includes a combustion face forming a combustion bowl having a compound curvature increased in sharpness in a...
US20150128899 Piston Having Combustion Bowl Shaped to Balance Combustion Efficiency and Emission Properties  
A piston for an internal combustion engine includes a piston body having an outer cylindrical surface defining a longitudinal piston axis, a combustion face defining a compound combustion bowl,...
US20100300396 PIN BOSS AND PISTON PROVIDED WITH IT, FOR AN INTERNAL COMBUSTION ENGINE  
The invention relates to a pin boss (17) for a piston (10) for an internal combustion engine, the pin boss (17) having an inner boss surface (17a) and an outer boss surface (17b) and a boss bore...
US20150198113 PISTON WITH REDUCED TOP LAND HEIGHT AND TIGHT TOP LAND PISTON PROFILE  
An assembly includes a cylinder having a bore diameter, and a piston disposed within the cylinder. The piston is provided with a top land and a top ring groove. The top land and the cylinder are...
US20140251254 OIL SCRAPER RING FOR A PISTON OF AN INTERNAL COMBUSTION ENGINE  
The invention relates to an oil scraper ring (1) for a piston (13) of an internal combustion engine, comprising several lamellae (2, 3), each having a joint (19, 19′), and a meander-shaped spacer...
US20110023811 PISTON FOR A TWO-STROKE LOCOMOTIVE DIESEL ENGINE HAVING AN EGR SYSTEM  
The present invention is directed to a piston with a unique bowl geometry for optimizing a two-stroke locomotive diesel engine having an exhaust gas recirculation (“EGR”) system. This piston...
US20130239925 Piston Having Combustion Bowl Shaped To Balance Combustion Efficiency And Emission Properties  
A piston for a compression ignition internal combustion engine includes a piston body having a combustion face defining a combustion bowl, and the combustion face including a compound bowl surface...
US20110259297 Piston Bowl With Deflecting Features  
A piston for a direct injection engine is provided, the piston having a bowl at an upper end, the bowl forming a portion of a combustion chamber. The bowl includes an inner surface and a dome that...
US20130192556 PISTON FOR AN INTERNAL COMBUSTION ENGINE  
A piston for an internal combustion engine has a crown, a skirt extending from the crown, a pair of pin bosses, and a plurality of struts connecting the pin bosses to inner sides of the crown and...
US20120055439 PISTON WITH DEPRESSION  
A piston for an internal combustion engine is provided. The piston has a surface on the combustion side, wherein a depression having a depression edge and a depression floor is arranged in the...
US20110271931 Piston Bowl With Flat Bottom  
A piston for a direct injection engine is provided, the piston having a bowl at an upper end, the bowl forming a portion of a combustion chamber. The bowl includes an inner surface that defines a...
US20120080004 PISTON ASSEMBLY  
Exemplary piston assemblies and methods of making the same are disclosed. An exemplary piston assembly may include a piston crown and a piston skirt that is received in a central opening of the...
US20150107559 PISTON OF AN INTERNAL COMBUSTION ENGINE  
An engine block of an internal combustion engine is disclosed. The engine block may have a piston and at least one gas exchange valve. The piston may have a piston skirt having a first center...
US20110048365 MONOBLOC PISTON WITH A LOW FRICTION SKIRT  
A piston for an internal combustion engine has an upper crown portion with a pair of pin bosses depending therefrom, wherein the pin bosses have pin bores axially aligned along a central pin bore...
US20140352649 PISTON  
A piston for an internal combustion engine may include a plurality of pin bores for accommodating a piston pin. The pin bores may be transversely oval to a longitudinal axis of the piston. The pin...
US20110197845 PISTON ASSEMBLY  
An exemplary piston assembly and method of making the same are disclosed. A piston assembly may include a piston crown and piston skirt. The crown may include a ring belt portion defining at least...
US20130025561 BOWL RIM AND ROOT PROTECTION FOR ALUMINUM PISTONS  
A piston including a piston crown, the piston crown having a combustion surface that further defines a combustion bowl rim area and a bowl root area. A thermal spray coating is applied to the bowl...
US20110253096 PISTON HAVING COMBUSTION BOWL SHAPED TO BALANCE COMBUSTION EFFICIENCY AND EMISSION PROPERTIES  
A piston for a compression ignition internal combustion engine includes a piston body having a combustion face defining a combustion bowl, and the combustion face including a compound bowl surface...
US20130047950 PISTON POSITIONED FOR RECIPROCAL MOVEMENT IN A COMBUSTION ENGINE CYLINDER  
A piston is positioned for reciprocal movement in a combustion engine cylinder. Half way between flame plume impingement areas are arranged a first type of protrusions protruding into the...
US20110155091 INLAY PART FOR A PISTON OF AN INTERNAL COMBUSTION ENGINE AND PISTON OR PISTON HEAD PROVIDED WITH THE INLAY PART  
The present invention relates to an inlay part (10, 110) for a piston of an internal combustion engine, wherein the piston has a piston head (21, 121) which is provided with a piston crown (22)...
US20130036998 DIRECT INJECTION DIESEL ENGINES  
A piston for a four valve direct injection diesel engine defines a combustion chamber comprising a recess (10) in the piston crown, which is rotationally symmetrical about the axis of the piston...
US20110030645 LOW THERMAL CONDUCTIVITY PISTON AND METHOD OF CONSTRUCTION THEREOF  
A piston and method of construction are provided. The piston includes an upper crown having a combustion surface with an upper land depending therefrom and a lower crown having a pair of pin...
US20120260885 Water lubricated composite piston engine  
A water lubricated and cooled composite piston engine is fitted with a carbon composite crankshaft, rod, block, and flywheel, it is also fitted with a carbon carbon piston, a conventional head or...
US20110203546 POWER ASSEMBLY FOR INTERNAL COMBUSTION ENGINE WITH WELDED-IN PISTON SCRAPER  
A power assembly for an internal combustion engine includes a piston housed within a cylinder, with the cylinder having a welded cylinder head, with the cylinder also including a one-piece piston...
US20120312271 PISTON  
A piston has a piston head, a piston pin support projecting from the piston head, and a mantle wall connected to the piston head. The mantle wall is formed with two tubular pieces that are...
US20120260869 PISTON FOR AN INTERNAL COMBUSTION ENGINE, AND INTERNAL COMBUSTION ENGINE HAVING A PISTON  
A piston for an internal combustion engine has, on the lower edge thereof opposite the piston crown, at least one cutout formed in the radial direction. An internal combustion engine is provided...
US20130032119 TWO-PIECE COMPRESSION PISTON RING OF AN INTERNAL COMBUSTION ENGINE  
A compression ring assembly for a piston of an internal combustion engine includes a first compression ring and a second compression ring, with the second compression ring overlaid adjacent to and...
US20130220266 PISTON  
A piston for an engine is disclosed. The piston may include a piston crown, and a piston bowl recessed within the piston crown. The piston bowl includes a center portion, a cone portion, and an...
US20130000592 PISTON FOR INTERNAL COMBUSTION ENGINE  
Provided is an aluminium alloy piston for an internal combustion engine. In the internal combustion engine, the piston moves back and forth in a sleeve made of grey cast iron or an aluminium...
US20140230775 PISTON FOR AN INTERNAL COMBUSTION ENGINE  
A piston for an internal combustion engine includes a piston head that has a piston crown, a top land, a ring part, and a combustion bowl with a bowl base, a bowl wall, and an insert which is made...
US20120298067 OIL CONTROL RING  
An oil scraper piston ring includes a ring body having two radial outer running webs on the ring body, which are arranged one behind the other in relation to the run direction of the piston and...
US20130247863 PROCESS FOR PREPARING CERAMIC POWDERS IN THE PRESENCE OF A SOURCE OF CARBON, POWDERS THUS OBTAINED AND THEIR USE  
A method for preparing ceramic powders in the presence of a carbon powder including a step which consists in homogenizing a mixture of particles capable of resulting in a ceramic by heat...
US20130263814 COMBUSTION-CHAMBER BOWL RIM AND OF A COMBUSTION CHAMBER BOWL BASE OF A PISTON OF AN INTERNAL COMBUSTION ENGINE  
produced according to the method having a piston crown with annular grooves, a combustion-chamber bowl, and piston shaft having a pin bore for receiving a pin, wherein both a combustion-chamber...
US20150136063 PISTON PIN  
A piston pin for connecting a small connecting rod eye of a connecting rod with a piston of an internal combustion engine may include an inner bore with an eccentricity relative to an outer...
US20120255520 PISTON FOR ROBUST AUTO-IGNITION  
A piston for an internal combustion engine is located within a cylinder of the engine. The piston includes a dish-shaped depression in a surface of the piston exposed to a combustion chamber of...
US20140251256 Double-Reed Exhaust Valve Engine  
An engine based on a reciprocating piston engine that extracts work from pressurized working fluid. The engine includes a double reed outlet valve for controlling the flow of low-pressure working...
US20130000591 PIN BOSSES OF A PISTON FOR AN INTERNAL COMBUSTION ENGINE  
The invention relates to pin bosses (1) of a piston (2) for an internal combustion engine, each comprising a pin bore (3) for supporting a piston pin (14). In order to reduce the tangential...
US20100065009 PISTON AND METHOD FOR MANUFACTURING THE SAME  
The present invention reduces weight while assuring required rigidity of a piston reduces cost of the piston. A piston includes first and second pin bosses supporting a piston pins, a first side...
US20150101560 PISTON OF AN INTERNAL COMBUSTION ENGINE  
A piston of an internal combustion engine is disclosed. The piston may have a piston skirt having a central axis. The piston may also have a piston crown delimiting the piston skirt with a...
US20120000439 Piston for an internal combustion engine  
A piston for an internal combustion engine has an upper and a lower piston part. The upper piston part has a cooling cavity on its underside, and the lower piston part has a ceiling element with a...
US20120073526 Piston constructions for opposed-piston engines  
A piston construction for an opposed-piston engine accommodates contoured end surfaces of the piston crowns and articulation of the pistons with piston rods. The shape of each piston crown...
US20150107543 PISTON OF AN INTERNAL COMBUSTION ENGINE  
A piston for an internal combustion engine is disclosed. The piston may have a piston skirt with a centre axis. The piston may also have a piston crown disposed adjacent a top of the piston skirt....
US20130112175 Constructions for Piston Thermal Management  
A piston construction with an end surface is equipped with a pattern of insulating cavities embedded in an upper end of the piston, between the end surface and interior portions of the piston that...
US20090217902 METHOD FOR ASSEMBLING A CRANKSHAFT DRIVE AND PISTON COMPRESSOR  
A piston compressor includes a crankcase having an interior space. The compressor also includes a crankshaft, at least one connecting rod having a connecting rod head that interacts with the...
US20090145394 PISTON ASSEMBLY AND CONNECTING ROD HAVING A PROFILED WRIST PIN BORE THEREFOR  
A piston assembly and connecting rod therefor is provided. The connecting rod has an elongate body extending to an end for operable attachment to a piston. The end has a wrist pin bore extending...
US20120037111 Piston for an internal combustion engine and method for its production  
A method for producing a piston for an internal combustion engine, composed of first and second piston components, has the following steps: (a) providing a blank of the first piston component...
US20110041794 COMBUSTION CHAMBER FOR A DIRECT-INJECTION SUPERCHARGED COMBUSTION ENGINE  
A piston for an internal combustion engine, for example a diesel engine, including a body delimited laterally by a skirt and configured to collaborate with walls of a cylinder of axis of...
US20120118255 WATER-DILUTABLE ANTIFRICTION LACQUER FOR COATING ENGINE PISTONS  
A piston coating is described that comprises at least one aqueous dispersion selected from among the group including phenolic resins, epoxy resins, polyvinyl butyral, or the condensation products...
US20110048364 COMBUSTION CHAMBER FOR A SUPERCHARGED DIRECT-INJECTION COMBUSTION ENGINE  
A piston for an internal combustion engine, for example a diesel engine, including a body delimited laterally by a skirt and configured to collaborate with walls of a cylinder of axis of...

Matches 1 - 50 out of 397 1 2 3 4 5 6 7 8 >