- Desmodromic valve
- صمام مُتسنّم
English-Arabic Automotive glossary. 2014.
Desmodromic valve
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Desmodromic valve — In general mechanical terms, the word desmodromic is used to refer to mechanisms that have different controls for their actuation in different directions. Desmodromic poppet valve in Ducati engine. A desmodromic valve is a reciprocating engine… … Wikipedia
desmodromic valve — /ˌdɛzmədrɒmɪk ˈvælv/ (say .dezmuhdromik valv) noun a valve allowing fuel to pass into a combustion engine which is mechanically shut as well as opened. {Greek desmos band, chain, ligament + Greek dromos a running + ic} …
Valve float — is an adverse condition which occurs when the poppet valves on an internal combustion engine valvetrain do not remain in contact with the camshaft lobe during the valve closure phase of the cam lobe profile. This reduces engine efficiency and… … Wikipedia
desmodromic — something (like valves) which is opened and closed by a mechanical device. In most 4 stroke engines the valves are opened by the cam, but closed by the action of the valve springs. In a desmodromic system, the valves are opened by a cam and… … Dictionary of automotive terms
Valve — This article is about the flow control device. For the game developer, see Valve Corporation. For the electronic component, see Vacuum tube. For other uses, see Valve (disambiguation). These water valves are operated by handles. A valve is a… … Wikipedia
desmodromic — adjective Having different controls for its actuation in different directions, especially of an engine valve that is positively closed by a cam and leverage system rather than springs … Wiktionary
Poppet valve — A poppet valve is a valve consisting of a hole, usually round or oval, and a tapered plug, usually a disk shape on the end of a shaft also called a valve stem. The shaft guides the plug portion by sliding through a valve guide. In most… … Wikipedia
Multi-valve — A cylinder head of a four valve engine. ( Nissan VQ engine ) In automotive engineering, a multi valve (or multivalve) engine is one where each cylinder has more than two valves. A multi valve engine has better breathing and can spin at higher rpm … Wikipedia
Slide valve — Cylinder, with slide valve removed to show ports … Wikipedia
Pneumatic valve springs — are metal bellows filled with compressed airCitation last = Scarborough first = Craig author link = last2 = first2 = author2 link = title = F1 Engines Valve technology date = year = url = http://scarbsf1.com/valves.html accessdate = 2007 03 05 ]… … Wikipedia
Ducati — This article is about the Italian motorcycle manufacturer. For the electrical and electronic component manufacturer, see Ducati Energia. Ducati Motor Holding S.p.A. Type Private[1] Industry … Wikipedia
