English Explanatory Dictionary

poppet valve

English dictionary entry

Meanings

noun
  1. 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). Such a valve is opened by either a cam or a solenoid and is closed by either a spring or a solenoid.

Word forms

poppet valve poppet valves
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