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 ?
6L V6 gasoline engine and evaluate the wear of the piston rings and piston ring/liner interface with a market representative fuel containing a generic additive using radioactive tracer technology (RATT) and white light interferometry (WLI).
Investigation revealed the #2 cylinder's piston skirt had broken off, including a piston ring, causing severe damage to the cylinder, camshaft, crankshaft, crankcase and connecting rods.
sealing efficiency) requires a higher pretightening force on piston ring which will lead to excessive engine friction losses and subsequently, resulting in an adverse effect on the fuel consumption.
Influence of load on the tribological condition in piston ring and cylinder liner contacts in a medium-speed diesel engine [4].
The new entity, called Federal-Mogul Zhengsheng (Changsha) Piston Ring Co Ltd, will be engaged in the provision of piston rings for four-stroke industrial engines in the commercial shipping, railroad, energy and off-road sectors.
The US companya[euro](tm)s local partner would incorporate its Changsha Zhengsheng Piston Ring Ltd Corp into the venture and take a minority stake in it.
Mum Sue Ashby, whose two children are members of the Piston Ring Youth Motor Cycle Club, writes: "Due to the recession and the price of fuel the club has gone from a thriving club with a waiting list, to having plenty of vacancies.
The annual event, now in its 18th year, also included an autojumble and tradestands, a children's funfair and an arena featuring a display by the Piston Ring Youth Motorcycle Team.
The company controls about 50 percent of the domestic piston ring market.
Wong and some colleagues are evaluating how minor changes to piston ring geometry, orientation, and materials can improve fuel use in large-bore reciprocating natural gas engines.
Taking into consideration the durability expectations and lower duty cycles of passenger car diesels, Dana's new PCF-480 piston ring coating was formulated to decrease wear on both the ring and bore surfaces, reducing oil consumption and lowering emissions.
The Teikoku Piston Ring Co has become the first organisation to commercially use Dai Nippon Printing Company's (DNP) Secure Image[R] Foil, its hot-stampable photopolymer Lippman hologram.