Traducción y análisis de palabras por inteligencia artificial ChatGPT
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Qué (quién) es valve lift - definición
![Oscillating poppet valve on one of Chapelon's rebuilt [[4-6-2]] locomotives.](https://commons.wikimedia.org/wiki/Special:FilePath/231-E-41-d.jpg?width=200 "Oscillating poppet valve on one of Chapelon's rebuilt [[4-6-2]] locomotives.")
![Poppet valves in a typical [[overhead camshaft engine]]](https://commons.wikimedia.org/wiki/Special:FilePath/4StrokeEngine Ortho 3D Small.gif?width=200 "Poppet valves in a typical [[overhead camshaft engine]]")
.jpg?width=200 "Airflow separating from a wing at a high angle of attack")
![Lift is defined as the component of the [[aerodynamic force]] that is perpendicular to the flow direction, and drag is the component that is parallel to the flow direction.](https://commons.wikimedia.org/wiki/Special:FilePath/Airfoil lift and drag.svg?width=200 "Lift is defined as the component of the [[aerodynamic force]] that is perpendicular to the flow direction, and drag is the component that is parallel to the flow direction.")
![streamlines]].](https://commons.wikimedia.org/wiki/Special:FilePath/Karman trefftz.gif?width=200 "streamlines]].")
![isobars]] of equal pressure along their length. The arrows show the pressure differential from high (red) to low (blue) and hence also the net force which causes the air to accelerate in that direction.](https://commons.wikimedia.org/wiki/Special:FilePath/Pressures-around-aerofoil.svg?width=200 "isobars]] of equal pressure along their length. The arrows show the pressure differential from high (red) to low (blue) and hence also the net force which causes the air to accelerate in that direction.")
Wikipedia
A poppet valve (also called mushroom valve) is a valve typically used to control the timing and quantity of gas or vapor flow into an engine.
It consists of a hole or open-ended chamber, usually round or oval in cross-section, and a plug, usually a disk shape on the end of a shaft known as a valve stem. The working end of this plug, the valve face, is typically ground at a 45° bevel to seal against a corresponding valve seat ground into the rim of the chamber being sealed. The shaft travels through a valve guide to maintain its alignment.
A pressure differential on either side of the valve can assist or impair its performance. In exhaust applications higher pressure against the valve helps to seal it, and in intake applications lower pressure helps open it.
The poppet valve was invented in 1833 by American E.A.G. Young of the Newcastle and Frenchtown Railroad. Young had patented his idea, but the Patent Office fire of 1836 destroyed all records of it.
