piston ring

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piston ring

n.
An adjustable split metal ring that fits around a piston and seals the gap between the piston and the cylinder wall.

piston ring

n
(Automotive Engineering) a split ring, usually made of cast iron, that fits into a groove on the rim of a piston to provide a spring-loaded seal against the cylinder wall

pis′ton ring`


n.
a metal ring, split so it can expand, placed around a piston to ensure a tight fit in the cylinder of an engine.
[1865–70]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.piston ring - seal consisting of a split metal ring that seals the gap between a piston and the cylinder wallpiston ring - seal consisting of a split metal ring that seals the gap between a piston and the cylinder wall
piston, plunger - mechanical device that has a plunging or thrusting motion
seal - fastener that provides a tight and perfect closure
Translations

piston ring

n (Aut) → fascia elastica
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References in periodicals archive ?
15, 2015 /PRNewswire/ -- MAHLE delivers improved top piston rings using a new thermal spray coating for modern high-output direct-injection turbocharged gasoline engines (GTDI).
has developed an automated vertical molding process that produces stronger, more wear-resistant piston rings.
Exhaust gas recirculation (EGR-system) technique gives a decreased burning temperature that leads to decreased emissions of nitrogen oxides but it creates problems of soot, which always increases the request for piston rings and liners materials resistant to wear [11].
The suspension resulted from both the natural disaster and the fact that the vehicle makers use unique piston rings, which Riken's and the clients' engineers jointly design.
However, the really big news came in March when it completed the acquisition--at a knockdown price--of Dana's engine hard parts business, the main products of which are piston rings, engine bearings, cylinder liners, and camshafts manufactured and sold under the Perfect Circle, Clevite, and Glacier Vandervell brands.
Given that Riken, a major maker of piston rings, needs more time before resuming full-scale operations, it is possible that the output loss could increase, according to officials at the automakers, including Honda Motor Co.
Some of that fuel may even seep past the piston rings and into the oil.
Members of The Piston Rings youth motorcycle display team and Nuneaton Juggling Club gave a demonstration of their skills.
said Tuesday it will set up a company in Shanghai in November with a Chinese auto-parts investment firm to trade piston rings and other auto parts produced in China.
59-g/cc material is said to perform well in bearings, bushings, seal rings, wear pads, and piston rings.
With large through-hole capacity, the lathe is suited for machining bearing races, transmission and steering parts, piston rings, piston inserts, spacers, gear blanks, and hydraulic cylinder bodies.