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Match Document Document Title
7767033 Method for surface treatment of an internal combustion piston and an internal combustion piston  
A method for surface treatment capable of easily improving a mechanical strength of an internal combustion piston at a reasonable cost is provided. A modified surface layer is formed by injecting...
7614338 Piston, method of producing the piston, and pump having the piston  
A piston 1 which is to be movably supported in a cylinder 11 of a pump 10 to be reciprocally driven is formed by a fluororesin so that it is not impaired by a corrosive liquid. A cylindrical outer...
7421782 Method for manufacturing internal combustion engine piston  
A method is provided for efficiently manufacturing a high quality internal combustion engine piston having an annular cavity allowing for good circulation of cooling fluid. An annular groove is...
7398754 Piston for internal combustion engine  
A piston for internal combustion engine has both fatigue strength and wear resistance without increased production cost. At least one of a combustion chamber surface, a skirt rib, a pin boss rib...
7219416 Method of manufacturing a magnetic element  
The present invention provides a composite magnetic body containing metallic magnetic powder and thermosetting resin and having a packing ratio of the metallic magnetic powder of 65 vol % to 90 vol...
7213562 Piston for a combustion engine and casting method for the production thereof  
The invention relates to a piston (1), which is comprised of an approximately circular cylindrical upper area (5) and of a lower area (6), having two hubs (7), which are set back toward the piston...
7178237 Piston for a piston-cylinder arrangement, in particular a shock absorber piston  
The invention relates to a piston for a piston-cylinder arrangement, especially a shock absorber piston, comprising a piston body that is fitted with at least one peripheral web on its peripheral...
6973723 Piston formed by powder metallurgical methods  
A piston includes a piston structure being unitarily formed in a powder metallurgy process, the piston structure having a crown assembly and a skirt assembly, at least a partial combustion chamber...
6681485 Method for casting a piston for a reciprocating internal combustion engine  
A process for producing pistons for a reciprocating internal combustion engine by casting, the process including the steps of determining for at least a first piston of a casting process batch, a...
6438834 Method of making a swash plate type compressor piston whose head portion is formed by pore-free die-casting  
A method of producing a piston for a swash plate type compressor including a head portion which is slidably fitted in a cylinder bore of the compressor, and an engaging section which engages a...
6063509 Reinforcing component of which the basic material is austenitic cast iron  
6029346 Method of fabricating carbon--carbon engine component  
An internal combustion engine component assembly including piston, wrist pin, and cylinder sleeve, all constructed of a matching carbon--carbon composite is disclosed. The piston is a two-piece...
5979298 Cooling gallery for pistons  
A cast piston having a metal insert that includes a cooling gallery and defines a piston ring groove. The piston insert includes an annular base having an annular cavity formed therein and an...
5901772 Method for casting pistons  
A ring carrier, for use in a piston casting die, is an annular-shaped member having a channel on an outer surface area. The piston casting die includes projections for engaging the channel and...
5794517 Piston assembly  
A piston assembly that is movable back and forth parallel to its axis in a cylindrical housing, comprising a piston-like support part made of a hard material and a guide ring made of a polymer. The...
5737838 Method of making a piston unit for an internal combustion engine  
The method of making a piston unit for an internal combustion engine incorporates the steps of pinching a melting core in a mold cavity of a piston mold wherein the melting core includes an inner...
5551388 Piston with cavity  
A piston (10) containing a cavity (16) is manufactured by forming a box (20; 50; 70; 80). The interior of the box defines the cavity (16). The box ms mounted in a die cavity (26) and the piston is...
5490446 Apparatus and method for a piston assembly  
An apparatus and method is provided for producing a piston assembly for use in a fluid translating device such as a hydraulic pump or motor. In the subject arrangement, a piston is provided having...
5408916 Piston having a liner and method for manufacturing same  
A piston assembly (10) for use in an engine. The piston assembly (10) includes a piston body (12) with a liner (24) covering the interior surface (22) thereof. The liner (24) imbues added strength...
5345860 Banded piston and method of making  
A piston for use in a hydraulic cylinder which is subject to sudden and extremely high shock load pressures and high temperature operating conditions is provided with a plurality of interlocking...
5282412 Piston ring subassembly, angulating piston assembly and method of making same  
An angulating piston assembly for a vehicle air conditioning system compressor comprises a composite piston including a metal rod having a ball at a proximal end and a plastic head at a distal end....
5273009 Silicon-nitride-inserted piston  
A metal of which the body of a piston is formed contains iron as its main component, and the configuration of a silicon nitride member, the high-temperature strength of the silicon nitride material...
5253625 Internal combustion engine having a hypereutectic aluminum-silicon block and aluminum-copper pistons  
An internal combustion engine having an engine block containing a plurality of cylinder bores and a piston slidably mounted in each bore. The block is composed of a hypereutectic aluminum-silicon...
5216943 Piston for hydrostatic axial and radial piston machines and method for the manufacture thereof  
A method of manufacturing a piston for hydrostatic axial and radial piston machines by non-machining forming, by filling a material that is in a substantially unresistant, formable state into a...
5170556 Production method for forged component made of composite material  
A production method of a forged component made of a composite material in accordance with the present invention comprises packing pellet or powdery plastic particles, plastic particles coated on...
5119777 Light alloy piston  
In a pressure-diecast light alloy piston, a ring carrier made of a metallic material having pores filled by the piston materials is embedded in the piston casting adjacent to the first ring groove....
5056218 Method of making a hollow metal piston having elastic strip casted to its skirt  
A light metal piston for internal combustion engines has a pair of inserts on the inside of upper piston skirt made of a material of lower thermal expansion coefficient than that of the light...
5044257 Rotary actuator and method for forming a rotary piston  
Improved techniques are provided for manufacturing a toroidal arc segment piston for use in a fluid pressure responsive rotary actuator, and for forming an actuator housing defining an arcuate...
5022313 Composite piston assembly for automotive air conditioning compressor  
A composite piston for an automotive air conditioning compressor is provided having an aluminum shank or piston rod, a reinforced plastic piston head and a steel ball for engaging a socket plate or...
4997024 Method of making a piston  
A method of bonding a component in a piston, involves the steps of coating the component surfaces to be bonded with an oxidation-resistant particulate material, preheating the coated component,...
4829954 Method of forming self-sealing piston  
A spherically-shaped piston is rigidly attached to a connecting rod for reciprocating and tilting motion within a borehole in response to rotation of a crankshaft having an associated crank which...
4799540 Heat exchanger  
The invention relates to a heat exchanger, especially for motor vehicles, which consists of a plurality of fins disposed in a parallel, spaced relationship, having openings and collars of oval or...
4776075 Method for manufacturing piston of internal combustion engine  
A method for manufacturing a piston of an internal combustion engine, especially for forming a piston gallery portion provided in the piston head for cooling the engine. A gallery member made of a...
4735128 Piston  
A piston for internal combustion engines made of a light alloy and comprising a skirt portion and a head portion, having a ceramic insert adapted on the head portion and connected to same by...
4712600 Production of pistons having a cavity  
A piston of a light alloy matrix material having a cavity for containing heat insulating air immediately below its head or a cavity for passing cooling oil inside the grooved side wall is...
4599772 Method for reinforcement of pistons of aluminum or aluminum alloy  
The reinforcement of the crown of a piston of aluminum or aluminum alloy for an internal combustion engine comprises the preparation of a reinforcement member (10, 13) which is provided with...
4559685 Method of manufacturing a piston for internal combustion engines  
A method of manufacturing a piston for internal combustion engines which utilize a core molding or casting system for forming a hollow chamber for the passage of cooling oil therethrough. The...
4548254 Method of manufacturing a die-cast wobble plate assembly  
An improved method of manufacturing a swash plate assembly for use in a compressor, fluid motor or similar device in which a plurality of pistons are connected, by means of connecting rods, to a...
4450610 Method of making a piston  
A piston composed at least in part of fiber-reinforced synthetic resin material, is provided with a piston base or bottom, a piston shaft or shank, and eyes for engagement with a member to be...
4404262 Composite metallic and refractory article and method of manufacturing the article  
A composite metallic and refractory article and a method for manufacturing the article is described in which a metallic layer is partially adsorbed within a refractory layer, such as a ceramic...
4365399 Manufacture of light weight pistons  
A method of manufacture of novel light-weight pistons of aluminum forgings with an integral iron insert ring by fusion welding is described. The aluminum piston forging is provided with a...
4334507 Piston for an internal combustion engine and method for producing same  
The invention provides a piston formed by casting a metal piston body under pressure around an insert, the body being made of aluminium or aluminium alloy and the insert being made of a porous...
4120081 Manufacture of pistons incorporating a thermal barrier  
A piston incorporating a thermal barrier is produced by first making an annular piston ring carrier insert from steel. The insert comprises an annular body to the upper and lower radially-inner...
4079661 Piston construction  
An improved piston construction comprising a piston body having a crown and a depending skirt, a peripheral groove about the body intermediate the crown and the skirt closely adjacent the crown, a...
4067093 Piston assembly and method for manufacturing  
A piston and cylinder assembly and a method for manufacturing the piston assembly. The piston assembly includes a circular integral piston. A glass-filled plastic bearing material is disposed...
3914574 Fabricated piston with sprayed groove  
This invention relates to a light-metal piston and a method of making the same. The piston having at least one circumferentially-extending ring groove, and is made of at least two parts fastened...
3533329 METHOD FOR MANUFACTURING LIGHT ALLOY PISTONS WITH AN INSERT OF A DIFFERENT METAL,AND PISTONS MANUFACTURED THEREBY  
3475804 INTERNAL COMBUSTION ENGINE PISTON WITH PRE-STRESSED INSERT  
3471914 METHOD OF PRODUCING A PISTON BLANK CONTAINING AN ANNULAR INSERT  
3460239 METHOD AND APPARATUS FOR LOCATING A CASTING PREPARATORY TO MACHINING THEREOF  
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