Matches 1 - 50 out of 52 1 2 >
Match Document Document Title
7191770 Insulated cylinder liner for a marine engine  
An engine is made by providing a layer of material between the outer surface of a cylinder liner and the inner surface of the cylinder opening within an engine block. The material can be a polymer...
7073492 Cylinder crankcase, procedure for manufacturing the cylinder bushings for the cylinder crankcase, and procedure for manufacturing the cylinder crankcase with these cylinder bushings  
A light metal cylinder crankcase for combustion engines has cylinder bushings with a running layer that forms the running surface and a rough, external bonding layer for bonding the cylinder...
6886548 Internal combustion engine  
An internal combustion engine having a cylinder and a piston movable in the cylinder, the cylinder and piston defining a combustion chamber enclosed by the cylinder and the piston, a surface of at...
6866031 Direct injection internal combustion engine  
An internal combustion engine, especially an Otto engine, with intake valves and with a fuel injector, which is arranged and designed so that it injects the fuel directly into a combustion chamber...
6585832 Method to prevent specks or hairline cracks in, and premature failure of, airplane cylinder barrels  
The present invention relates to an improved method for the manufacture of aircraft engine cylinder barrels to prevent their premature failure due to hairline cracks or specks thought to be caused...
6286210 Method for producing a cylinder liner blank to be cast into a light-alloy crankcase of a reciprocating engine  
Surface activation is intended to ensure that a cylinder liner can be anchored in the casting material of a light-metal crankcase with greater bonding. For surface activation, the surface of the...
5404639 Composite insulation for engine components  
Engine components are thermally insulated with composite layers for improved engine efficiency. A metallic insulation layer is affixed to the metallic substrate of each component, and a layer of...
5260116 Ceramicm port liners  
Ceramic materials to be insert-cast are disclosed, which each contain not less than 65% by volume of aluminum titanate as a crystalline phase, and have an average particle diameter of crystals...
5222295 Method for repairing diesel engine cylinder blocks  
A method and apparatus for restoring the dimensions of a worn engine cylinder block (11) to "as new" condition by the selective removal of spaced portions (20) and (30) of the cylinder block (11)...
5183025 Engine block and cylinder liner assembly and method  
An engine block for an internal combustion engine including at least one bore, and a cylindrical liner that is pressed into the bore to define the inner cylindrical surface along which the piston...
4986230 Method of joining cylinder bore liners to an engine block  
Method of bonding cylinder liners to cylinder bore walls, comprising: (a) inserting a cylindrical work hardenable liner into a complementary sized cylindrical bore wall of the block, with a uniform...
4941439 Combustion chamber surfaces of an internal combustion engine  
An arrangement in combustion chamber surfaces of an internal combustion engine, wherein these surfaces exhibit at least partially a thin surface layer (2) which will influence the octane/cetane...
4862865 Insulation material and method of applying the same to a component in a combustion engine  
A thermal insulating material for combustion engine components, which are subjected to combustion gases, e.g. pistons. The insulation consists of a metal layer sintered under low pressure so as to...
4791896 Water cooled scavenged crankcase type Otto internal combustion engine  
In an internal combustion type engine having a piston disposed within a cylinder, a plurality of ceramic cylinder inner surface sections are provided for covering surfaces of the cylinder chamber...
4776309 Internal combustion engine having low octane number requirements  
In a spark-ignition internal combustion engine of the type having a combustion chamber which presents at least one surface area on which there is applied at least one layer which presents to the...
4774917 Piston and piston ring for an internal combustion engine  
An internal combustion engine includes a cylinder block, a piston and a piston ring. The cylinder block includes at least one cylinder bore which includes a cylinder bore surface. The piston is...
4711208 Piston for internal combustion engines  
In a piston for internal combustion engines the piston head is formed with a combustion chamber recess and is provided with a heat-insulating layer of ceramic material. To minimize the heat to be...
4662331 Precombustion chamber construction of internal combustion engine  
A precombustion chamber construction of an internal combustion engine includes an upper ceramic body and a lower ceramic body abutting thereagainst to form a precombustion chamber communicating...
4649806 Composite ceramic/metal piston assembly and method of making  
An integrally cast composite piston assembly is disclosed which is effective to carry a ceramic plate in an iron based cap. The assembly comprises a cylindrical piston body, preferably of aluminum,...
4646692 Component for internal combustion engines and a process for its production  
The invention concerns components for internal combustion engines with heat resistant combustion chamber inserts, especially components made of light metal with casted porous ceramic inserts...
4612880 Method for control of octane requirement increase in an internal combustion engine having manifold and/or combustion surfaces which inhibit the formation of engine deposits  
The control of the octane requirement increase phenomenon in an internal combustion engine is achieved by introducing into an internal combustion engine, having manifold and/or combustion surfaces...
4590901 Heat insulated reciprocating component of an internal combustion engine and method of making same  
A heat insulated reciprocating component, such as a piston or a valve, for an internal combustion engine comprises a main component body and a ceramic member secured to the body by interference fit...
4577611 Reciprocating internal-combustion engine of low-temperature catalytic-combustion type  
In a reciprocating internal-combustion engine of a low-temperature catalytic-combustion type, catalyst layers which act at low catalyst temperatures of about 500° C. or downwards to permit...
4550707 Method for improving the performance of an internal combustion engine, device for implementing the method, and internal combustion engine equipped with said device  
A method and apparatus for improving the performance of an internal combustion engine in which a piston (10) has a hollow head (11) within the cavity of which there is mounted an open topped...
4530341 Piston engine having at least one heat-insulated combustion chamber, and parts for said engine  
Improved heat insulating of a combustion chamber in an internal combustion engine is obtained by providing a heat-resistant body in at least one surface, which is intended to at least partly limit...
4530340 Acid catalyzed combustion  
The combustion zone of an internal combustion engine is provided with a catalyst which is incorporated in the combustion zone as a thin layer placed on the internal cylinder walls and/or the top...
4528950 Cylinder/crank casing in cast iron for internal combustion engines  
A cylinder casing for use in internal combustion engines having a reciprocating piston is provided having strip-shaped hardened zones along the inner wall of the cylinder which are disposed in such...
4524732 Cylinder head of a piston engine  
In a cylinder head (1) of a piston engine, a thermal insulation component having openings for the accommodation of valve seats, spark plugs, and injection nozzles consists of a circular aluminum...
4524498 Method and apparatus for modifying the combustion chamber of an engine to accept ceramic liners  
A method is disclosed of modifying a conventional internal combustion engine to accept ceramic material. A cast iron extension mamber is metallurgically joined to the cast iron engine block, the...
4513703 Reciprocating piston internal combustion engine  
A reciprocating piston internal combustion engine, each cylinder of which is provided at the connection point of light metal cylinder head and cylinder sleeve with a sealing element. On that...
4495907 Combustion chamber components for internal combustion engines  
Combustion chamber defining components such as cylinder liners in internal combustion engines are composed of a plurality of metal oxides which combine to impart good wear resistance and thermally...
4495684 Process of joining a ceramic insert which is adapted to be embedded in a light metal casting for use in internal combustion engines  
Ceramic inserts are embedded in thermally highly loaded zones and/or as a heat insulation in light metal castings for use in internal combustion engines. To provide a firm joint between the insert...
4494501 Pistons with combustion bowl inserts  
A piston for an internal combustion engine comprises a piston body of aluminium or aluminium alloy and an insert of a ferrous material having a combustion bowl formed therein. The insert is...
4487175 Cylinder head for internal combustion engine  
An aluminum cylinder head for an internal combustion engine has a layer of material of dispersion-hardened sintered aluminum disposed in its bottom wall which forms a combustion chamber wall, the...
4453527 Insulated diesel engine combustion chamber  
A diesel engine is provided with extenders or spacers attached to those portions of the cylinder block, cylinder head and piston that define the combustion chamber, the extenders being of...
4404935 Ceramic capped piston  
A ceramic cap is attached to a metal piston by means of intermeshing radial flanges. A spring forces the flanges into contact with one another along an annular surface area. Spaces between the...
4344390 Piston-cylinder assembly of an internal combustion engine  
A piston-cylinder assembly of an internal combustion engine is provided which includes a cylinder liner mounted within a bore formed in an engine block, and a cylindrical spacer extending axially...
4328772 Combustion chamber for an internal combustion engine  
A combustion chamber for an internal combustion engine is provided having a cylindrical member, an end piece overlying one end of the member, and a piston mounted for reciprocatory movement within...
4290396 Heat conducting shield for cylinder heads of internal combustion engines  
Heat conducting shield member for cylinder heads of internal combustion engines having at least two gas change ports with valve seat rings at their combustion chamber end, with the valve bridge...
4254621 Heat-insulating layer to prevent temperature drop of combustion gas in internal combustion engine  
A heat-insulating layer secured to a cast metal member of an internal combustion engine so as to be exposed to combustion gas in the engine. A porous or intersticed metal body, preferably having a...
4245611 Ceramic insulated engine pistons  
Internal combustion engine pistons are provided with aluminum bodies with highly insulative ceramic inserts cast in place in the upper combustion chamber defining wall. In each of the disclosed...
4112906 Firing deck insert for internal combustion engines  
An internal combustion engine including a coolant jacketed body surrounding a combustion cylinder with a tubular wall extending through the coolant jacket and surrounding an ignition device exposed...
4067670 Internal combustion engine with insulated piston  
An improved internal combustion engine of the type having a relatively high surface to volume ratio. An exemplary embodiment depicts the invention in a rotary engine having a rotor within a...
4018194 Engine piston with insulated combustion chamber  
Piston for an internal combustion engine having an upper face which forms a part of an expandable combustion chamber. The piston is provided with a cavity or deep depression formed in the upper...
3911891 Coating for metal surfaces and method for application  
A coating is disclosed herein together with a method of forming that coating on metal surfaces of an internal combustion chamber. The coating is deposited for example, on the combustion surface of...
3877126 Process for the manufacture of line and/or space for receiving or conducting hot gases  
A process of manufacturing a construction for accommodating a high temperature medium, particularly for the accommodation and/or conduction of hot gases in connection with exhaust gas lines and/or...
3459167 INTERNAL COMBUSTION ENGINE  
3115127 Removable insert for internal combustion chambers  
3082752 Lined engine members and methods of making the same or the like  
2978360 Combustion catalysis  
Matches 1 - 50 out of 52 1 2 >