sealing piston ring

  • 1Piston 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

  • 2piston 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

  • 3piston ring — noun a ring or seal that fits around a piston, sealing between the piston and the bore in which it slides …

    Wiktionary

  • 4piston ring — noun a ring on a piston sealing the gap between the piston and the cylinder wall …

    English new terms dictionary

  • 5piston ring — noun Date: 1867 a springy split metal ring for sealing the gap between a piston and the cylinder wall …

    New Collegiate Dictionary

  • 6piston — n. 1 a disc or short cylinder fitting closely within a tube in which it moves up and down against a liquid or gas, used in an internal combustion engine to impart motion, or in a pump to receive motion. 2 a sliding valve in a trumpet etc. Phrases …

    Useful english dictionary

  • 7Piston — n. 1 a disc or short cylinder fitting closely within a tube in which it moves up and down against a liquid or gas, used in an internal combustion engine to impart motion, or in a pump to receive motion. 2 a sliding valve in a trumpet etc. Phrases …

    Useful english dictionary

  • 8sealing strip — gas seal to the epitrochoidal surface in a rotary piston engine, with the same function as the piston ring on a conventional piston engine …

    Dictionary of automotive terms

  • 9dykes ring — A compressionpiston ring which is L shaped when viewed from the end. When installed in the piston the horizontal part fits more deeply in the piston groove while the vertical side rubs against the cylinder wall. This style of ring gives good… …

    Dictionary of automotive terms

  • 10Swing-piston engine — A swing piston engine is a type of internal combustion engine in which the pistons move in a circular motion inside a ring shaped cylinder , moving closer and further from each other to provide compression and expansion. Generally two sets of… …

    Wikipedia