Ludy, Llewellyn V., 1875- [from old catalog], American Technical Society · Chicago, American technical society · leaf 190
dashpot rod is also raisedand a partial vacuum is created in the dashpot. As soon, therefore,as the dies become disengaged, the dashpot quickly drops under theforce of this vacuum, thus turning the steam arm and closing thevalve. The striking of the left-hand end of the hook against theknock-off… … 88 VALVE GEARS the cam rod to move toward the right would cause this knock-of!lever to turn on its axis, the steam arm, and consequently lower theposition of the knock-off cam. This would cause an earlier contactbetween the cam and the end of the hook, and consequently an earliercut-off. By…
Indicators for steam-engines · Steam-engines
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