- Overhead exhaust valve
- صمام عادم علوي
English-Arabic Automotive glossary. 2014.
Overhead exhaust valve
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Overhead camshaft — A cylinder head sliced in Fifths shows two overhead camshafts one above each of the two valves. Overhead cam (OHC) valvetrain configurations place the engine camshaft within the cylinder heads, above the combustion chambers, and drive the valves… … Wikipedia
valve — A device used to either open or close an opening to allow or prevent the flow of a liquid or gas from one place to another. There are many different types. See ABS relay valve accumultor valve air valve carburetor air control valve air gulp valve … Dictionary of automotive terms
Overhead valve — OHV redirects here. OHV may also refer to Off highway vehicle. Components of a pushrod valve actuation system … Wikipedia
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
overhead camshaft — (OHC) The camshaft that activates the valves is mounted above the head and driven by a long timing chain or cam chain. In contrast, a pushrod engine has the camshaft below the cylinders so that thin rods (pushrods) are moved by the camshaft and… … Dictionary of automotive terms
valve-in-head engine — An engine in which both intake and exhaust valves are mounted in the cylinder head and are driven by pushrods or by an overhead camshaft. Also called I head engine or Overhead valve engine … Dictionary of automotive terms
overhead valves — (OHV) Valves located in the head. A four stroke engine with the intake and exhaust poppet valves located in the cylinder head and not at the side of the cylinder as in a side valve engine. The valve stems are either at an angle or parallel and… … Dictionary of automotive terms
overhead valve — noun A type of internal combustion engine design which has the inlet and exhaust valves in the cylinder head (and therefore above the piston). The camshaft can be beside the pistons (with pushrods and rockers operating the valves) or above the… … Wiktionary
valve — I (New American Roget s College Thesaurus) n. damper, cutoff, cock, butterfly, pallet, poppet; ventil, side valve; plug, piston, cusp. See closure. II (Roget s IV) n. Syn. flap, lid, plug; see device 1 , pipe 1 . Types of valves include:… … English dictionary for students
overhead valve engine — noun an internal combustion engine in which the cylinder head contains the inlet and exhaust valves. Abbrev.: o.h.v. engine …
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
