manifold control valve

(MCV) a thermostatically operated valve in the exhaust manifold for varying heat to the intake manifold with respect to the engine temp. Also called "exhaust heat control valve"

Dictionary of automotive terms. 2015.

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  • control valve — [1] A valve which regulates or operates a system, especially a hydraulic or vacuum control system. [2] Valve which regulates the flow or pressure of a medium which affects a controlled process. Control valves are operated by remote signals from… …   Dictionary of automotive terms

  • manifold heat control valve — A valve placed in the exhaust manifold, or in the exhaust pipe, that deflects a certain amount of hot gas around the base of the carburetor to aid in warmup …   Dictionary of automotive terms

  • overrun control valve — A valve in a crossover pipe between the compressor suction and discharge sides of some turbocharger systems. When the manifold pressure drops, as during deceleration, the overrun control valve opens and allows compressed air to circulate through… …   Dictionary of automotive terms

  • air control valve — (ACV) a vacuum controlled diverter valve (or a combination bypass/diverter valve) in an air injection system that diverts air pump air to either the upstream (exhaust manifold) or downstream (oxidation catalyst) air injection points as necessary …   Dictionary of automotive terms

  • heat control valve — See heat control valve manifold heat control valve …   Dictionary of automotive terms

  • directional control valve — skirstytuvas statusas T sritis automatika atitikmenys: angl. directional control valve; distribution device; distributor; manifold; selector valve vok. Verteiler, m; Verteileranordnung, f; Verteilerschaltung, f; Wege Ventil, n rus. распределитель …   Automatikos terminų žodynas

  • heat-control valve — A valve which is controlled by temperature changes. When the ambient temperature is cold or the engine has not warmed up, it is closed so that some of the hot exhaust gases passes by the intake manifold to pre heat the fuel mixture going to the… …   Dictionary of automotive terms

  • exhaust heat control valve — (HCV) a valve which routes hot exhaust gases to the intake manifold heat riser during cold engine operation. Valve can be thermostatically controlled, vacuum operated or computer controlled …   Dictionary of automotive terms

  • Manifold (automotive) — In automotive engineering, an intake manifold or inlet manifold is the part of an engine that supplies the fuel/air mixture to the cylinders. An exhaust manifold or header collects the exhaust gases from multiple cylinders into one pipe. The word …   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

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