Valve setting: simple methods of setting the plain slide valve. Meyer cut-off. Corliss. and poppet types (1908)
Collins, Hubert Edwin, 1872- · New York [etc.] Hill publishing company · leaf 31
drawn from 0 as the center, witha radius equal to the outside lap plusthe width of the steam port, in thepoints W and H, the admission portwill be open wide, while the crank moves from 0—W to 0—H. On thelower valve circle it is shown that the exhaust port opens sooner (at 1^)and remains open longer… … FIG. 19. Admission. Expansion. Exhaust. Compression... . IncreasingOutside Lap Is laterCeases soonerIs earlierContinues longer Unchanged Begins at same point IncreasingInside Lap Not changed Beginning unchangedContinues longer Occurs later Ceases sooner Begins sooner Continues longer…
Steam-engines
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