The steam engine and turbine; a text-book for engineering colleges (1911)
Heck, Robert Culbertson Hays, 1870- · New York, D. Van Nostrand company · leaf 416
es cannot get outinto the ports. Besides rings which thus form the valve edges, com-mon square rings, in grooves set a little way back from the edges, areoften used. (c) Multiple-admission Arrangements. — In Fig. 202 there is,as already remarked, simply a combination of two valves into one.The… … Fig. 262. — German Locomotive Valve with Allen Port. Scale 1 to 15. result is got with a one-faced valve, but now a long extra passage,formed in the body of the valve, is required. Let the direct valve ofFig. 262 move to the right, or the indirect valve of Fig. 263 to the left:at the same time that…
Steam-engines · Steam-turbines
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