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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
An automotive rocker arm is an oscillating lever that converts the radial movement of cam lobe into a linear movement at the poppet valve, so as to open it.
Simple models of a Mazda 2.3 L engine were used to explore the camless valve design space and compare it to poppet valve engine performance.
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.
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. The ball valve has never been considered a good choice because of inherent virtual leak possibilities, stem leaks, and gas entrapment.
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.