Steam engines, a thorough and practical presentation of modern steam engine practice (1920)
Ludy, Llewellyn V., 1875-, American Technical Society · Chicago, American technical society · leaf 32
these two types, yet they areakin to the two types named. The valve in Fig. 8 is of the slidevalve type. It is what is known as a double ported valve, that is,steam is admitted to the cylinder by two edges of the valve by reasonof the fact that there is an opening through the valve. The pres-sure… … Elg. 13. Eccentric Mechaniem Showing Rocker and Ram Methods of CoDnectingEccentric Rod with Valve Rod tion of the exposed area is made in order to reduce the amount ofeffort reiquired to pull the valve back and forth. When the surfaceof a valve of medium size is considered and an average steam…
Steam-engines
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