Exhaust valve

Exhaust valve
Exhaust Ex*haust", a. [L. exhaustus, p. p.] 1. Drained; exhausted; having expended or lost its energy. [1913 Webster]

2. Pertaining to steam, air, gas, etc., that is released from the cylinder of an engine after having preformed its work. [1913 Webster]

{Exhaust draught}, a forced draught produced by drawing air through a place, as through a furnace, instead of blowing it through.

{Exhaust fan}, a fan blower so arranged as to produce an exhaust draught, or to draw air or gas out of a place, as out of a room in ventilating it.

{Exhaust nozzle}, {Exhaust orifice} (Steam Engine), the blast orifice or nozzle.

{Exhaust pipe} (Steam Engine), the pipe that conveys exhaust steam from the cylinder to the atmosphere or to the condenser.

{Exhaust port} (Steam Engine), the opening, in the cylinder or valve, by which the exhaust steam escapes.

{Exhaust purifier} (Milling), a machine for sorting grains, or purifying middlings by an exhaust draught. --Knight.

{Exhaust steam} (Steam Engine), steam which is allowed to escape from the cylinder after having been employed to produce motion of the piston.

{Exhaust valve} (Steam Engine), a valve that lets exhaust steam escape out of a cylinder. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • exhaust valve — išmetimo vožtuvas statusas T sritis fizika atitikmenys: angl. exhaust valve vok. Auslaßventil, n; Auspuffungsklappe, f rus. выпускной клапан, m; клапан выхода, m pranc. soupape d’échappement, f; soupape de décharge, f …   Fizikos terminų žodynas

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  • exhaust valve — mechanism for controlling the flow of exhaust …   English contemporary dictionary

  • exhaust valve — noun (in an internal combustion engine) a valve through which the products of combustion escape from the cylinder to the manifold …   Wiktionary

  • exhaust valve closes — (EVC) A mark on a valve timing diagram …   Dictionary of automotive terms

  • exhaust valve opens — (EVO) A mark on a valve timing diagram …   Dictionary of automotive terms

  • sodium-cooled exhaust valve — The exhaust valves of some high performance engines are filled with sodium to improve the heat dissipation from the valve stem to the valve guide, since the exhaust valve is subject to higher thermal loads than the intake valve …   Dictionary of automotive terms

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