Steam engines, prepared in the Extension division of the University of Wisconsin (1919)
Shealy, Edward Marvin · New York, McGraw-Hill · leaf 23
troke is reduced. In a noncon-densing engine the exhaust steam is turned into the atmosphereand the piston must return against the pressure of the atmosphereplus enough pressure to force the exhaust steam through theexhaust pipe and ports. This pressure may amount to from 8 STEAM ENGINES 18 to 20… … o two ends of its cylinder, this type of valve being called sl slide valve.Figure 2 illustrates a common form of plain slide valve engine.The slide valve mechanism is also illustrated in Fig. 2 where it isshown as a part of the engine. The valve and mechanism isagain shown in Fig. 4, but in this…
Steam-engines
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