poppet valve


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Related to poppet valve: Sleeve valve

poppet valve

n.
An intake or exhaust valve, operated by springs and cams, that plugs and unplugs its opening by axial motion.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.poppet valve - a mushroom-shaped valve that rises perpendicularly from its seat; commonly used in internal-combustion engines
internal-combustion engine, ICE - a heat engine in which combustion occurs inside the engine rather than in a separate furnace; heat expands a gas that either moves a piston or turns a gas turbine
valve - control consisting of a mechanical device for controlling the flow of a fluid
References in periodicals archive ?
The lighter and darker blue solids in the Figure are the poppet valve solids, which are all made of copper.
Clippard Instrument Laboratory's GV Series High Flow Poppet Valve is available as a 2- or 3-way valve.
A diaphragm regulator coupled to a spring-tensioned poppet valve.
Why use old-fashioned Walschaert's valve gear-driving piston valves rather than a poppet valve gear, where inlet and exhaust functions, being separate, can be optimally set?
Compressor Engineering Corporation (CECO), Houston, Texas, meanwhile, has advanced the reliability of poppet valve technology for high-speed compressors with the development of the rMAXTM mini-poppet valve (patent pending).
Combining advanced electronics with twin poppet valve configuration, the new models extend the range into new applications, delivering performance and fast response.
For example, to keep a combine header in place, the restrictive poppet valve is used.
This replaced the classic poppet valve allowing far larger intake and exhaust ports, the consequent better breathing giving all manner of improvements.
The rationale for new designs and the effects of various modifications on the flow field over the poppet valve are presented.
Applications have been limited to two basic types of valves with a variety of options--the high-vacuum gate valve and the high-vacuum poppet valve.
In the ram pump, the water flows through a drive pipe (A) into a specially designed poppet valve (B) until it reaches a certain velocity, which causes the valve to close suddenly.