Difference between revisions of "Poppet valve"

The word poppet shares etymology with "puppet": it is from the Middle English ''popet'' ("youth" or "doll"), from Middle French ''poupette'', which is a diminutive of ''poupe''. The use of the word ''poppet'' to describe a valve comes from the same word applied to [[marionette]]s, which &ndash; like the poppet valve &ndash; move bodily in response to remote motion transmitted linearly.<ref>[http://www.merriam-webster.com/dictionary/poppet '''Poppet''' at Merriam-Webster]</ref><ref>[http://www.merriam-webster.com/dictionary/puppet '''Puppet''' at Merriam-Webster]</ref> In the past, "puppet valve" was a synonym for ''poppet valve'';<ref>[http://www.websters-online-dictionary.org/Pu/Puppet+valve.html '''Puppet valve''' from 1913 Webster's dictionary]</ref><ref>[http://patimg1.uspto.gov/.piw?Docid=00339809&homeurl=http%3A%2F%2Fpatft.uspto.gov%2Fnetacgi%2Fnph-Parser%3FSect1%3DPTO1%2526Sect2%3DHITOFF%2526d%3DPALL%2526p%3D1%2526u%3D%25252Fnetahtml%25252FPTO%25252Fsrchnum.htm%2526r%3D1%2526f%3DG%2526l%3D50%2526s1%3D0339809.PN.%2526OS%3DPN%2F0339809%2526RS%3DPN%2F0339809&PageNum=&Rtype=&SectionNum=&idkey=NONE&Input=View+first+page U.S. Patent No. 339809, "Puppet Valve", issued April 13, 1886]</ref> however, this usage of "puppet" is now obsolete.