compression piston ring

См. также в других словарях:

• 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, compression — See compression ring …   Dictionary of automotive terms

• Compression ratio — For compression ratio in data compression, see data compression ratio. The compression ratio of an internal combustion engine or external combustion engine is a value that represents the ratio of the volume of its combustion chamber from its… …   Wikipedia

• ring — A circular piece or band of metal. See balk ring blocking ring chainring chrome ring compression ring control ring D ring D ring dykes ring fire ring …   Dictionary of automotive terms

• Piston — For other uses, see Piston (disambiguation). Components of a typical, four stroke cycle, DOHC piston engine. (E) Exhaust camshaft, (I) Intake camshaft, (S) Spark plug, (V) Valves, (P) Piston, (R) Connecting rod, (C) Crankshaft, (W) Water jacket… …   Wikipedia

• compression — [1] Applying pressure to a spring, or any springy substance, thus causing it to reduce its length in the direction of the compressing force. [2] Applying pressure to a gas, thus causing a reduction in volume. [3] One of the essential factors in a …   Dictionary of automotive terms

• ring, compression — See piston ring, compression …   Dictionary of automotive terms

• compression ring — noun : piston ring; especially : one placed nearest the working face of the piston …   Useful english dictionary

• compression ring — A ring which surrounds the piston and fits in a grove in the piston. It is designed to seal the burning fuel charge above the piston. Generally there are two compression rings per piston and they are located in the two top ring grooves. They also …   Dictionary of automotive terms

• Obturator ring — For other uses see Obturator Obturator rings are a specific type of piston ring used in World War I aero engines to compensate for warping of the cylinders. Purpose The rotary aircraft engines of World War I (engines with the crankshaft fixed to… …   Wikipedia