PISTON OF INTERNAL COMBUSTION ENGINE

PISTON OF INTERNAL COMBUSTION ENGINE

mechanical engineering; internal combustion engines. SUBSTANCE: proposed piston has skirt, head and grooves for compression and oil control rings and zones strengthened by alloying piston skirt, first groove and piston head formed by electron beam remelting of base remelting of base metal with intro...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KAZAKOV G.G, ROZHKOV P.G, ANUFRIEV V.V, AKSENOV A.P, CHERVJAKOV JU.S
Format: Patent
Sprache:eng ; rus
Schlagworte:
ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
BLASTING
COMBUSTION ENGINES
CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
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Beschreibung
Zusammenfassung:mechanical engineering; internal combustion engines. SUBSTANCE: proposed piston has skirt, head and grooves for compression and oil control rings and zones strengthened by alloying piston skirt, first groove and piston head formed by electron beam remelting of base remelting of base metal with introduction of antifriction alloying metal, for instance, copper, into remelting zone. Remelted layer zones have sine-shaped grooves in base serving as peculiar compensators of internal stresses arising in process of remelting and cooling between base material of piston and alloyed layer. EFFECT: improved operation reliability of piston at high thermodynamic loads by excluding binding and galling. 2 cl, 2 dwg