poppet
1
9.9
- noun
- /ˈpɑːpɪt/
- Specialized
:
válvula poppet
- This causes the poppet to seat and seal the pressure vessel.
Examples
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The poppet valve regulates the gas flow in the combustion chamber of the engine.
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The mechanic replaced the worn poppet to ensure the engine operated efficiently.
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A pilot-operated ball valve was then developed and later modified to a poppet design, as shown in Figure 3.
Academic text (1995) -
The diaphragm and poppet are mechanically linked to provide positive shutout control.
Academic text (2002) -
Valves: custom and standard, up to 144" free aperture, slit, gate, and poppet.
Academic text (1997) -
Instead of cams and poppet valves, the cylinder liner ties to the crankshaft through a 2:1 reduction as a way of opening and closing exhaust and intake ports.
Academic text (2002) -
During the engine assembly, each poppet was carefully positioned to control airflow.
Synonyms
A disc-shaped engine part that moves up and down to open or close a hole for gases
Compounds
- Specialized
A disc-shaped engine part that moves up and down to open or close a hole for gases
Surface Forms
Etymology
Poppet for a valve comes from the same idea of a small 'doll' or plug that moves up and down, because the rounded head looks like a little top. So a poppet valve opens and closes like a tiny figure, which is why it controls the flow of gas in an engine.