 The waste-port is always covered by the slide, as the travel is less than the width of the bars, so that the steam is always prevented from entering the waste-port from the steam chest. During the reciprocating motion of the slide, each of the steamports...  The Proportions and Movement of Slide Valves - Σελίδα 3των William Dyson Wansbrough - 1903 - 160 σελίδεςΠλήρης προβολή - Σχετικά με αυτό το βιβλίο
 | Thomas Tredgold - 480 σελίδες
[ Λυπούμαστε, το περιεχόμενο αυτής της σελίδας είναι περιορισμένο ] | |
 | George Drysdale Dempsey - 1856 - 196 σελίδες
...as shown in fig. 12, before its motion is changed and it begins to move back again : this distance that the slide moves beyond the port is called " the travel." The waste-port is always covered by the slide, as the travel is less than the width of the bars, so that... | |
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