Steam power plant auxiliaries and accessories; (1922)
Croft, Terrell, 1880- ed, Dufflin, Daniel John, 1911- ed · New York, [etc] McGraw-Hill book company, Inc · leaf 136
f Balancing Single-SuctionImpellers (Fig. 135) automatically minimizes the longitudinalunbalance but it requires, in addition, mechanical thrustbearings. The impeller is equipped in front and rear, withwearing rings (R, Fig. 135). The diameter of the front andback rings is the same, so that the… … Fig. 134.—Unbalanced Impeller. 116 STEAM POWER PLANT AUXILIARIES [Div. 4 b. The leakage water which flows across the front sealingsurface enters the suction opening of the impeller. To preventthe leakage water which flows across the back sealing surfacefrom collecting in the annular ring and…
Steam power plants · Pumping machinery
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