back of piston ring

  • 1ring — 1 /rIN/ noun 1 JEWELLERY (C) a piece of jewellery that you wear on your finger: a diamond ring (=decorated with diamonds) see also: engagement ring, wedding ring 2 CIRCLE (C) a) a circular line or mark: Martha had dark rings round her eyes from… …

    Longman dictionary of contemporary English

  • 2snap ring — noun an oblong metal ring with a spring clip; used in mountaineering to attach a rope to a piton or to connect two ropes • Syn: ↑carabiner, ↑karabiner • Hypernyms: ↑hoop, ↑ring, ↑fastener, ↑fastening, ↑holdfast, ↑ …

    Useful english dictionary

  • 3Swing-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

  • 4Connecting rod — piston (top) and connecting rod from typical automotive engine (scale is in centimetres) In a reciprocating piston engine, the connecting rod or conrod connects the piston to the crank or crankshaft. Together with the crank, they form a simple… …

    Wikipedia

  • 5Cylinder head porting — refers to the process of modifying the intake and exhaust ports of an internal combustion engine to improve the quality and quantity of the air flow. Cylinder heads, as manufactured, are usually suboptimal due to design and manufacturing… …

    Wikipedia

  • 6Four-stroke engine — Four stroke cycle used in gasoline/petrol engines. The right blue side is the intake and the left yellow side is the exhaust. The cylinder wall is a thin sleeve surrounded by cooling liquid. A video montage of the Otto engines running at the… …

    Wikipedia

  • 7Oil pump (internal combustion engine) — This article is about a part in an internal combustion engine. For other uses, see Oil pump. Oil circulation system …

    Wikipedia

  • 8Crankshaft — For other uses, see Crankshaft (disambiguation). Crankshaft (red), pistons (gray) in their cylinders (blue), and flywheel (black) The crankshaft, sometimes casually abbreviated to crank, is the part of an engine which translates reciprocating… …

    Wikipedia

  • 9Two-stroke engine — Brons two stroke V8 Diesel engine driving a Heemaf generator. A two stroke engine is an internal combustion engine that completes the process cycle in one revolution of the crankshaft (an up stroke and a down stroke of the piston, compared to… …

    Wikipedia

  • 10Motor oil — For the TV documentary focused on the Edmonton Oilers of the National Hockey League, see Oil Change (TV Series). Motor oil sample Motor oil or engine oil is an oil used for lubrication of various internal combustion engines. The main function is… …

    Wikipedia