Fitxer:PuppetValve.png

El contingut de la pàgina no s'admet en altres llengües.
De la Viquipèdia, l'enciclopèdia lliure

PuppetValve.png(293 × 501 píxels, mida del fitxer: 57 Ko, tipus MIME: image/png)

Descripció a Commons

Resum

Descripció
English: A balanced (2-disc) poppet valve from 1886, called a puppet valve by the inventor.
  • A - high pressure steam
  • B - inlet to cylinder
  • C - valve discs
  • D - valve stem
  • E - valve guide and adjusting nut for spring
  • F - spring to ensure solid seal of larger disc
Data
Font U.S. Patent n° 339,809 Figure 1
Autor Charles Franklin Putnam
Permís
(Com reutilitzar aquest fitxer)
Public domain The text and illustrations of US patents published before March 1, 1989 are in the public domain unless the patent text contains a specific notice that portions are copyrighted. See 37 CFR 1.71(d), 37 CFR 1.84(s)

The original patent contains no such notice, so its contents are in the public domain. Note: This only applies to images published before March 1, 1989. Patents published after that date are most likely copyrighted, unless in the public domain for another reason, such as {{PD-ineligible}}.

Llicència

Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:PuppetValve.png

Historial del fitxer

Cliqueu una data/hora per veure el fitxer tal com era aleshores.

Data/horaMiniaturaDimensionsUsuari/aComentari
actual16:31, 11 març 2009Miniatura per a la versió del 16:31, 11 març 2009293 × 501 (57 Ko)Douglas W. Jones{{Information |Description={{en|1=A balanced (2-disc) poppet valve from 1886, called a puppet valve by the inventor. * A - high pressure steam * B - inlet to cylinder * C - valve discs * D - valve stem * E - valve guide and adjusting nut for spring * F -

Les 2 pàgines següents utilitzen aquest fitxer:

Ús global del fitxer

Utilització d'aquest fitxer en altres wikis: