Video Training
Pistons rings  [08/01/2011]

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: 1. Sealing the combustion-expansion chamber. 2. Supporting heat transfer from the piston to the cylinder wall. 3. Regulating engine oil consumption.

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