poppet valve definition

  • noun:
    • An intake or fatigue valve, managed by springs and cameras, that plugs and unplugs its opening by axial movement.
    • A valve (as in an inside burning engine) which is made of a sliding shaft with a disk regarding end (the disk becoming formed to alternatively connect and unplug a matching port) and which can be operated by springs and possibly cams reaching the shaft.
    • a mushroom-shaped valve that rises perpendicularly from its seat; popular in internal-combustion motors

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  • Hypernym for "poppet valve"
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