The steam engine and turbine; a text-book for engineering colleges (1911)
Heck, Robert Culbertson Hays, 1870- · New York, D. Van Nostrand company · leaf 543
es are left free, but the very long blades of the low-pressure stages must be braced against a tendency to get into vibration.One scheme is to cut a slot in the entrance sides and solder in a wirering, as at A in Fig. 373: to obviate undesirable effects of expansion thisring will be made in several… … Fig. 373. — The Standard ParsonsBlading. Fig. 374. — Williams-Robinson Bladingfor Parsons Turbines. special form into which the ends of the blades fit: these ends are pressedinto dovetail form, so that the blades are securely held. A narrowlocking ring presses the main ring into the dovetail; and…
Steam-engines · Steam-turbines
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