poppet valve
Noun

poppet valve (plural poppet valves)

  1. (mechanics) A valve (as in an internal combustion engine) which consists of a sliding shaft with a disk on the end (the disk being shaped to alternately plug and unplug a matching port) and which is operated by springs and possibly cams interacting with the shaft.
    • 1900, Patents for Inventions: Abridgments of Specifications (page 75)
      This communication between the tank and pump is controlled by a float valve in the tanks and a cock in the pipe, while a poppet valve prevents the undrawn liquor going into the waste tank.
    • 1959, Steam's Finest Hour, edited by David P. Morgan, Kalmbach Publishing Co., page 62:
      quote en



This text is extracted from the Wiktionary and it is available under the CC BY-SA 3.0 license | Terms and conditions | Privacy policy 0.003
Offline English dictionary