lift valve

: a valve whose direction of movement is perpendicular to the plane of its seat

Useful english dictionary. 2012.

Look at other dictionaries:

  • lift — [1] The action of the rear end of the vehicle to rise during braking. [2] The amount by which a poppet valve rises when opened. See valve lift. [3] The aerodynamic force caused by greater pressure above the car than below it and having the effect …   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

  • Lift irrigation scheme — Irrigation Schemes mainly comprise canal irrigation and lift irrigation schemes. In such schemes, the most important and yet the most neglected portion is distribution of water. Let us first consider lift irrigation schemes Importance of lift… …   Wikipedia

  • lift pump — noun pump used to lift rather than force a liquid up • Hypernyms: ↑pump * * * noun also lifting pump : suction pump * * * a pump in which a liquid is lifted rather than forced up from below. Cf. force pump. [1855 60] …   Useful english dictionary

  • 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

  • valve lift — Distance a valve moves from the full closed to the full open position. It is usually about a quarter of the diameter of the port …   Dictionary of automotive terms

  • valve spring lifter — A pliers type tool with two expanding jaws, used to lift and compress valve springs for removal and replacement …   Dictionary of automotive terms

  • Gas lift — is one of a number of processes used to artificially lift oil or water from wells where there is insufficient reservoir pressure to produce the well. The process involves injecting gas through the tubing casing annulus. Injected gas aerates the… …   Wikipedia

  • mushroom valve — noun : a lift valve resembling a mushroom in shape * * * mushroom valve, a poppet valve shaped like a mushroom …   Useful english dictionary

  • puppet valve — noun : lift valve …   Useful english dictionary

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