camshaft

camshaft
A shaft with cam lobes (bumps) which is driven by gears, a belt, or a chain from the crankshaft. The lobes push on the valve lifters to cause the valves to open and close. The camshaft turns at half the speed of the crankshaft.
Also see
double-overhead cam

Dictionary of automotive terms. 2015.

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  • camshaft — n. a shaft that has cams attached to it, forming part of a mechanical device. [WordNet 1.5] …   The Collaborative International Dictionary of English

  • camshaft — ► NOUN ▪ a shaft with one or more cams attached to it, especially one operating the valves in an internal combustion engine …   English terms dictionary

  • camshaft — [kam′shaft΄] n. a shaft of which a cam is an essential part, or to which a cam is fastened …   English World dictionary

  • Camshaft — The camshaft is an apparatus often used in piston engines to operate poppet valves. It consists of a cylindrical rod running the length of the cylinder bank with a number of oblong lobes or cams protruding from it, one for each valve. The cams… …   Wikipedia

  • camshaft — /kam shaft , shahft /, n. a shaft bearing integral cams. [1875 80; CAM + SHAFT] * * * ▪ engineering       in internal combustion engines, rotating shaft with attached disks of irregular shape (the cams), which actuate the intake and exhaust… …   Universalium

  • camshaft — UK [ˈkæmˌʃɑːft] / US [ˈkæmˌʃæft] noun [countable] Word forms camshaft : singular camshaft plural camshafts a bar in an engine, fixed to a cam …   English dictionary

  • camshaft — [[t]kæ̱mʃɑːft, ʃæft[/t]] camshafts N COUNT A camshaft is a rod in an engine and works to change circular motion into motion up and down or from side to side …   English dictionary

  • camshaft — A straight, gear driven shaft that contains lobes used to operate the intake and exhaust valves of a reciprocating engine. The camshaft is geared to the crankshaft in such a way that valves close and open at the correct time relative to the… …   Aviation dictionary

  • camshaft — kumštelinis velenas statusas T sritis automatika atitikmenys: angl. camshaft vok. Exzenterwelle, f; Nockenwelle, f rus. кулачковый вал, m; распределительный вал, m pranc. arbre à cames, m …   Automatikos terminų žodynas

  • Camshaft (Transformers) — Camshaft is the name of a fictional character in the Transformers universe.Transformers: Generation 1Transformers character name =Camshaft caption =Alternators Camshaft toy affiliation =Autobot subgroup =Omnibots Spy Changers Alternators function …   Wikipedia

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