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Universalium. 2010.
Piston ring — Pis ton ring (Mach.) A spring packing ring, or any of several such rings, for a piston. [Webster 1913 Suppl.] … The Collaborative International Dictionary of English
piston ring — n. a thin split ring fitted into a groove around a piston to seal the cylinder, transfer heat, and control cylinder wall lubrication … English World dictionary
piston ring — n a circular metal spring used to stop gas or liquid escaping from between a piston and the tube that it moves in … Dictionary of contemporary English
Piston ring — A piston ring is an open ended ring that fits into a groove on the outer diameter of a piston in a reciprocating engine such as an internal combustion engine or steam engine. The three main functions of piston rings in reciprocating engines are:# … Wikipedia
piston ring — A metal, split ring installed in the groove on the outside wall of the piston. The ring contacts the sides of the ring groove and also rubs against the cylinder wall thus sealing the space between the piston and the wall. Poor rings can cause… … Dictionary of automotive terms
piston ring, chrome — A piston ring which has a thin layer of chrome plate on the outer edge … Dictionary of automotive terms
piston ring expander — A spring device placed under a piston ring to hold it snugly against the cylinder wall. Also see expander … Dictionary of automotive terms
piston ring flutter — The oscillations of a piston ring which mainly occur at high engine speed and thus can cause breakage … Dictionary of automotive terms
piston ring gap — See piston ring end gap … Dictionary of automotive terms
piston ring — noun a ring or seal that fits around a piston, sealing between the piston and the bore in which it slides … Wiktionary
