The steam engine and turbine; a text-book for engineering colleges (1911)
Heck, Robert Culbertson Hays, 1870- · New York, D. Van Nostrand company · leaf 437
ion ofmotion from piston to valve. The simple analysis of movement in 422 VALVE GEARS AND GOVERNORS. [Chap. VIII. Fig. 286 shows the working of this engine, and makes clear the need oflevers of opposite character. In this figure, A marks the right side, B the left side. For positionI, with piston A… … Fig. 285. — Valve Gear of Duplex Steam Pump. presently move to the right, valve A must move to the right ahead ofit, wherefore valve A must have a movement opposite to that of pistonB. Following through the other three critical positions, and notingthe directions of movement as indicated by arrows,…
Steam-engines · Steam-turbines
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