poppet valve

名词 n.
中文释义

英文释义

名词 n.
  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.
    — 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.

词形变化

poppet valves plural
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