1993•TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series COpen access

Lubrication of Piston Ring Pack.

Yutaro Wakuri, Toshiro Hamatake, Mitsuhiro Soejima, Tatsumi Kitahara

Abstract

The lubrication problems of wear, friction, oil consumption and scuffing in internal combustion engines are closely related with the oil-film thickness between piston rings and cylinder liners. The piston rings usually operate under the condition of starved lubrication for the pack slide. We analyze on the oil-film characteristics of a piston ring pack, taking account of the interaction between rings. The experiments to examine the oil-film behaviour of ring specimens sliding under oil starvation are conducted using reciprocating test equipment. The oil-film characteristics of starved lubrication are clarified from the results of calculations and experiments.

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Available abstract

Key concepts: Lubrication, Piston ring, Reciprocating motion, Cylinder, Piston (optics), Materials science, Oil consumption, Ring (chemistry)