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. 2015.

Look at other dictionaries:

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

  • 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

  • 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

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

  • 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

  • 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

  • control — [1] A device or mechanism for adjusting a component. See cruise control. [2] The ability of the driver to make a vehicle perform as required. [3] To regulate. [4] Automatic or manual device used to stop, start, and/or regulate flow of gas, liquid …   Dictionary of automotive terms

  • heat — [1] That which increases the internal energy of a body by changing the motion of the molecules. This causes a change in temperature, volume, or state of the body. [2] Form of energy which acts on substances to raise their temperature; energy… …   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

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