throttle valve

Definitions

Aviation

Cars & Driving

  • noun a butterfly valve in the inlet tract, designed to provide control of power output by limiting the amount of fresh mixture induced
  • noun a modulator valve actuated via either the accelerator pedal, or the vacuum in the engine inlet manifold, or the carburettor throttle; it converts line pressure into an engine-load dependent pressure, which is directed to various valves
http://www.dictionarycentral.com/definition/throttle-valve.html