. American engineer and railroad journal . Figs. 4 and 5. GREENS ROTARY BLOWERS. The cycle of movements in the working engine is as fol-lows : In the position shown by the drawing the piston hascompleted its return stroke, and is now required to move inthe direction indicated by the arrow. By the linear motion ofthe slide 8 the edge x opens the port b b to live steam, and atthe same time the edge y opens the port c e anil allows theexhaust steam from the front high-pressure part of the cyliu- dci to pass the edge nand through the ports c • i< « to the Bur-face dot the piston in the low pres
. American engineer and railroad journal . Figs. 4 and 5. GREENS ROTARY BLOWERS. The cycle of movements in the working engine is as fol-lows : In the position shown by the drawing the piston hascompleted its return stroke, and is now required to move inthe direction indicated by the arrow. By the linear motion ofthe slide 8 the edge x opens the port b b to live steam, and atthe same time the edge y opens the port c e anil allows theexhaust steam from the front high-pressure part of the cyliu- dci to pass the edge nand through the ports c • i< « to the Bur-face dot the piston in the low pressure part of the the combined forces of the steam the piston and piston-rodA; are moved forward, the live strain acting on the surface/. Figs. 6 and 7GREENS ROTARY BLOWERS. and the low-pressure steam upon the surface </. At the sametime the edge e of the slide valve opens the port m to allowthe final exhaust to leave the low-pressure part of the cylin-der. In doing so it passes under the shell 0 of the valve andescapes through the outlet p. The exhaust from the fronthigh-pressure part is prevented from passing from the passages
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
